Dredging and soil-shifting (E02F)

E   Fixed constructions(158735)
E02F              Dredging; soil-shifting (winning peat e21c0049000000)(12616)

Adjustment of torque for drive on front wheels // 2642204
FIELD: transportation.SUBSTANCE: power system of the front wheels can provide the possibility of independent power control on each wheel. Direct control is provided by the average and differential torque of the front wheels.EFFECT: increase of controllability.20 cl, 4 dwg

Hydraulic drive of the backhoe working equipment // 2641631
FIELD: construction.SUBSTANCE: hydraulic drive of the backhoe working equipment contains a hydraulic tank, first and second fixed delivery pumps, connected by the first and second pressure hydraulic circuits with the relevant groups of the slave hydraulic cylinders of the working equipment with the ability to manage through the first, second and third hydraulic distribution valves installed consistently and with general flow channel, communicated with the hydraulic tank. In the first pressure hydraulic circuit, between the first and the second and the third hydraulic distribution valves, a back-flow valve, a pressure relay and an electro-driven hydraulic distribution valve are installed. An electric-driven hydraulic distribution valve is installed between the first hydraulic distribution valve and the back-flow valve, and the pressure relay is between the back-flow valve and the second hydraulic distribution valve. At the same time, the pumps productivity is determined by the necessary speed of movement of the actuating hydraulic cylinders of the respective working bodies.EFFECT: increased efficiency of the hydraulic drive of the backhoe working equipment.2 cl, 1 dwg

Hydraulic drive of pneumatic wheeled excavator // 2641049
FIELD: machine engineering.SUBSTANCE: in the known hydraulic drive of the pneumatic wheeled excavator, an additional circuit is included in the servo control system consisting of two pedal control units and enabling execution by each of them, at least two functions of hydro-valve EITHER with two inputs and one output branch and two electro-hydraulic distributors with two outputs and one input branch each. The first pedal control unit is connected to the first input branch of hydraulic valve OR the second pedal control unit is connected to the second input branch of the OR hydraulic valve, the stroke hydraulic motor and the switching distributor, the output branch of the OR hydraulic valve is connected to the input taps of both electro-hydraulic distributors, the output taps of the first electro-hydraulic distributor are connected to the address spool of the stroke, the output taps of the second electro-hydraulic distributor are connected to the address spool of blade supports.EFFECT: reduced fatigue, increased comfort and safety for the operator, increased the functionality of the excavator.1 dwg

Working machine // 2640062
FIELD: machine engineering.SUBSTANCE: invention relates to a working machine comprising a hood cover, a tank of the second cooling circuit located under the hood cover, and a structure support element not connected to the hood cover for supporting the tank of the second cooling circuit; a tank of the second cooling circuit which is detachable from the hood cover in the operating mode of the working machine and detachably connected to the structure supporting element, where the hood cover has an attachment unit for fastening the connecting element, and the tank of the second cooling circuit has a connecting unit designed to create a detachable connection between the connecting part and the attachment unit on the hood cover.EFFECT: increase of operational reliability.7 cl, 3 dwg

otor grader // 2639226
FIELD: construction.SUBSTANCE: motor grader includes a wheeled propulsor, a sub-engine frame and a main beam, mounted on the propulsor and connected by a hinge and hydraulic rotation cylinders, to the front end of the main frame a traction frame with a turntable is hingedly mounted, on which a blade is mounted with mechanisms for changing its the cutting angle and extension, hydraulic cylinders for lifting and lowering the blade. The rotation axis of said hinge is located in the vertical plane with an inclination at an acute angle to the supporting surface of the motor grader, and the hinge body is configured to be fixedly rotated about an axis located in the vertical plane at an acute angle equal to the acute angle of inclination of the hinge rotation axis and having a geometric point of intersection with said hinge rotation axis. Wherein the geometric intersection point of the hinge axes and the hinge body can be located in the hinge body or outside the hinge body.EFFECT: expanding the functional capabilities of the motor grader, in particular by manageability, while putting the blade in the working position, maneuvering and working on slopes.3 cl, 1 dwg

otor grader // 2639225
FIELD: construction.SUBSTANCE: motor grader includes a wheeled propulsor, a sub-engine frame, a main beam, to the front end of which a traction frame is hingedly connected, having a turntable carrying a blade equipped with a mechanism for its extension and changing the cutting angle, hydraulic cylinders for lifting and lowering the blade, hingedly connected to the main beam and the traction frame, and a hydraulic cylinder of the traction frame offset, installed at an angle of 30-60° to the support surface of the motor grader, hingedly connected to the main beam and the traction frame; the turntable center axis is located in the vertical plane passing through the longitudinal cutting edge of the blade in its working position, and the axis of the hydraulic cylinder of the traction frame offset is located in the vertical plane passing through the turntable center.EFFECT: reducing the operational loads on the blade control hinges while increasing the manageability of the motor grader under the workload.1 dwg

otor grader // 2639224
FIELD: machine engineering.SUBSTANCE: motor grader includes a wheeled propulsor, an undercarriage frame and a spinal beam, to the front end of which a draft frame with a rotary circle is pivotally connected, to which by means of the cutting angle changing mechanism and the extension mechanism a blade is connected, connected to the hydraulic cylinders of its lifting and lowering, pivotally connected to the spinal beam and the draft frame, wherein the motor grader has a device for changing the distance between the hinge of fastening the draft frame and the turntable and / or the device for changing the distance between the front end of spinal beam and the hinge of fastening the draft frame, wherein the first of which is in the form of a hydraulic cylinder and is equipped with locks of intermediate and final positions, and the second is in the form of a screw mechanism with intermediate and end stop locks or with a self-locking nut.EFFECT: increasing the smoothness of the planned base, reducing the amount of permissible deviation from the set value.1 dwg
otor grader working equipment // 2639223
FIELD: construction.SUBSTANCE: working equipment of the motor grader includes a main beam, a traction frame hinged to the main beam, a blade connected to the traction frame by means of a turntable, a mechanism for changing the cutting angle of the blade, and a blade extension mechanism with respect to the traction frame, including the extension hydraulic cylinder. The lower guide and the upper guide are hingedly connected to the blade. The hinges are made with mounting clearances. The connecting hinges of the upper guide are made in such a way that their clearances made in the vertical plane are larger than the gaps disposed in the horizontal plane. The lower and the upper guides can be made of rectangular or circular cross-section.EFFECT: ensuring the required profile of the base to be prepared.2 cl

Working equipment of motor grader // 2639222
FIELD: machine engineering.SUBSTANCE: working equipment includes a center sill, a traction frame pivotally attached to the center sill, a blade attached to the traction frame by means of a rotary circle, a mechanism for changing the blade cutting angle, and a mechanism for extending the blade relative to the traction frame that includes an extension hydraulic cylinder, a lower guide having a circular cross-section, and an upper guide having a rectangular cross-section, in the upper guide with gaps relative to the upper wall to forms a vertical gap, a rod with elastic limiter of its vertical displacement is vertically arranged in vertical motion and connected to blade rear wall and is relative to the side walls to form a gap in horizontal, wherein sum of gap values in vertical exceeds the sum of gap values in horizontal.EFFECT: reliability of blade structure and mechanisms connected thereto under effect of extreme peak loads on the blade, including transverse blade movement during motor grader operation if necessary.1 dwg

Bulldozer equipment of motor grader // 2639221
FIELD: construction.SUBSTANCE: bulldozer equipment of a motor grader includes a blade connected to the motor grader by means of a lower beam consisting of two longitudinal hinge links rigidly connected to each other by means of a transverse link, two upper hinge links connected to the blade top and the motor grader, as well as a hydraulical cylinder for lifting and lowering the blade, hingedly connected to the motor grader and to the blade or to the lower beam. Each hinge of the connection of the lower beam with the blade and the motor grader is made in the form of a housing with a horizontal axis and a trunnion enclosing it, with forming axial mounting clearances between it and the housing, and each connection hinge of each upper link is also made in the form of a housing with a horizontal axis and a trunnion enclosing it, with the formation of axial and radial, not exceeding the size of the axial ones, mounting clearances between the trunnion and the housing.EFFECT: simplifying the installation and dismantling works of the bulldozer equipment of the motor grader in the field conditions.1 dwg

Ripper of digging machine // 2639220
FIELD: construction.SUBSTANCE: ripper of a digging machine comprises a lever connected to the frame of the machine by means of hinges, each of which has a horizontal axis, with a ripper tooth attached to the end of the lever at an angle to it, and a hydraulic cylinder for lifting and lowering the ripper lever is hingedly connected to it and to the frame, so that its longitudinal axis in the working position of the ripper makes up an angle of 80-100° with the plane passing through the horizontal axis of the hinges connecting the lever with the frame. In addition, the ripper of the digging machine can be provided with a mechanism for relative displacement of the hinge fixing the lever to the machine frame and/or at least one of the hinges connecting the hydraulic cylinder to the frame or to the ripper lever.EFFECT: ensuring the stabilisation of the vertical position of the cutting tooth part while changing the resistance to soil loosening due to eliminating the eccentric action of the reactive forces, it is also possible to transfer to the ripper a greater force generated by a basic digging machine without reinforcing the supporting ripper part, which increases the efficiency factor of a digging machine as a whole.2 cl, 1 dwg

Wing casing for digging machine bucket, bucket and digging machine // 2639001
FIELD: construction.SUBSTANCE: invention relates to a wing casing for a digging machine bucket, made with the possibility of arranging at least partially on a tooth transition piece and/or at least partially on the lateral plate of the bucket for protecting wear-sensitive bucket parts. The wing casing comprises at least one self-locking mechanism for attaching to the bucket with the possibility of removable attachment.EFFECT: reducing the power consumption and the wear of the device.12 cl, 7 dwg

System and method of machine temperature control // 2638991
FIELD: machine engineering.SUBSTANCE: implementation of the method includes a first power generation device, a second power generation device, a first cooling fan hydraulically connected to the first power generation device, a second cooling fan hydraulically connected to the second power generation device, a controller and fan control device installed and connected by means of fluid between the first cooling fan and the second cooling fan. It is determined whether the first power generation device or the second power generation device is operating at the drive shaft speed below the threshold speed value. It is detected whether the diagnostic fault code is active with respect to the fan control device. The signal is sent to the fan control device. The fan control device is activated. Hydraulic power to the first cooling fan and the second cooling fan is provided depending on, whether the first power generation device or the second power generation device operates at the speed of the drive shaft above the threshold speed value. Working machines are also proposed.EFFECT: working machine cooling system is controlled.20 cl, 8 dwg

Tooth and adapter to attach tooth to working machine // 2638385
FIELD: machine engineering.SUBSTANCE: tooth for fastening to edge of working machine bucket through the adapter has a cavity for inserting a part of said adapter, extending between said first and second opposite outer working surfaces from open end in the fastening end of the tooth to the lower end. At that, a cavity is limited by an inner wall, which comprises first and second internally facing inner walls which are inner surfaces connected, respectively, with said first outer working surface and said second outer working surface, and opposite side walls connecting the first and second inner walls to each other. At that, the cavity limits a rear portion passing along the Y axis and at least partially disposed between the plane defined by the X and Z axes, and open end of the cavity, front part passing along axis Y and located between the plane defined by axes X and Z, and the lower end of the cavity and stepped part connecting the rear part and the front part to each other, at that, in the rear part both first and second inner walls have a pair of substantially plane rear contact surfaces separated from each other by a rear separating area extending beyond the limits of said pair of first contact surfaces. The invention also relates to an adapter and to a connection between the tooth and the adapter.EFFECT: wear resistance, strength and reliability.26 cl, 41 dwg

Improved hydraulic fluid heating // 2638213
FIELD: transportation.SUBSTANCE: working vehicle is proposed, comprising: a chassis; at least one traction device supporting the chassis; at least one hydraulic actuator connected to the chassis; and a hydraulic circuit made with the possibility to control at least one hydraulic actuator. Wherein the hydraulic circuit comprises: a source of a hydraulic fluid; a feeding device communicating with the source and at least one hydraulic actuator for feeding the hydraulic fluid; a first return pipeline from the feeding device to the source, and a second return pipeline from the feeding device to the source. The first return pipeline comprises a first flow control device and a cooler. The first flow control device allows the hydraulic fluid to pass through the first return pipeline, when the pressure in the hydraulic circuit exceeds the first passage pressure of the first flow control device. The second return pipeline bypasses the cooler on the first return pipeline. Wherein the second return pipeline comprises a second flow control device allowing the hydraulic fluid to pass through the second return pipeline, when the pressure in the hydraulic circuit exceeds the second passage pressure of the second flow control device. Also, the hydraulic circuit comprises a controller in communication with at least one of the first and the second flow control devices for controlling at least one of the first and the second passage pressures, and a control valve in communication with the controller and a first check valve. Wherein the control valve has: the first, neutral, position, which provides pressure relief from the first check valve; and the second position, which directs pressure to the first check valve to increase the first actuation pressure of the first check valve.EFFECT: improving the control and efficiency of hydraulic fluid heating in a working vehicle.20 cl, 4 dwg

Ripper // 2637819
FIELD: wood industry.SUBSTANCE: hydraulic cylinder 6 of the lifting-lowering is hingedly attached to the support frame 2. The rod 7 of the hydraulic cylinder is hinged to the working beam 5 and to the upper link 3. The working beam 5 has a left projection 9 and a right projection 10. The middle tooth 11 is attached to the working beam 5. The last tooth 12 is attached to the left projection 9. The last tooth 13 is attached to the right projection 10. The rod 7 enters the cylinder 6 and, rotating the upper and lower links 3 and 4, lowers the working beam 5 to the ground. The ripper pulls back. The tooth 11 pulls out the roots in front of the tree. Teeth 12 and 13 pull the roots along the sides of the tree. The ripper goes to a tree and the bumper 8 presses on it. The tree, whose roots are pulled out of the earth, falls to the ground. The ripper of the proposed design beats trees, leaving no stumps.EFFECT: reduction of costs in the forest industry.3 dwg

Lifting linkage of front loader // 2637684
FIELD: transportation.SUBSTANCE: lifting linkage includes a frame, a boom arm, an upper lever, a lower lever, and a hydraulic drive. The boom arm is made with the possibility to be hinged with a working tool and has a surface that defines the longitudinal axis. The first end of the upper lever is hingedly connected to the frame, and the second end is hingedly connected to the boom arm. The first lever of the lower lever is hingedly connected to the frame, and the second end is hingedly connected to the boom arm. The hydraulic drive has a stem hingedly connected to the boom arm, and moves between the retracted position and the extended position. The upper lever, the lower lever, and the hydraulic drive are spaced from the longitudinal axis.EFFECT: improved operational reliability.20 cl, 8 dwg
Device for rope tensioning of excavator by v. a. abramov // 2637666
FIELD: machine engineering.SUBSTANCE: in the device which includes two rigidly connected detachable drums, pressure and return drums, with the possibility of their engagement/disconnection and regular multiple selection of slack and provision of rope tension by means of locking of return drum relative to fixed base, according to the invention, the ends of teeth of opened toothed rims of the toothed sleeve, external and internal shafts, and a shaft of a pressure drum are made symmetrically bevelled inside recesses of open toothed rims of the sleeve and the shaft at angle of 45±5° with width of vertical platform on the teeth ends equal to 3…4 mm or more by the full height of the teeth of outer and inner open gear rims of toothed sleeve and shaft of the drum. On the ends of the shaft of outer and inner open gear rims of the toothed sleeve, there are annular blind bores of 3 mm width or more made on the depth of teeth bevels end value of diameters: greater than the diameter of hollows of the shaft outer rims and the sleeve, and less than the diameter of the hollows for the inner gear rim of the sleeve. The engagement of teeth when assembling the outer and inner rims of the toothed sleeve with mating toothed rims on drums is made at wide recesses between the teeth of external and internal rims made on toothed sleeve and the drum shaft by means of special modified tooth-cutting involute tool with reduced diameter of recesses. Cuts on the bevelled teeth are made, for example, by an electro erosion tool. The toothed sleeve is made of titanium alloy, for example, BT 20.EFFECT: simplification of drums assembling operation, reduction of the toothed sleeve weight.4 cl, 7 dwg

otor grader // 2635311
FIELD: transportation.SUBSTANCE: motor grader includes a wheeled propulsor, a sub-engine frame and a center girder, mounted on the propulsor and connected by a hinge and hydraulic rotation cylinders; to the front end of the center girder, a pulling frame with a rotary circle is hingedly mounted, on which a blade with mechanisms for changing the cutting angle and the blade extension and cylinders for lifting and lowering the blade are mounted. The rotation axis of said hinge is located in the vertical plane with an inclination at an acute angle to the support surface of the motor grader, and the hinge body is fixed with the possibility of the compensating movement across the motor frame in the rotation direction in proportion to the value of the center girder rotation.EFFECT: reducing the negative effect of loads arising when the motion direction of the motor grader changes during the soil displacement by the value of deviation from the specified trajectory.1 dwg

Automatic ripper cutting angle control system // 2634441
FIELD: agriculture.SUBSTANCE: automatic control system for the ripper cutting angle is proposed, comprising a hydraulic tank, a main and an auxiliary pump, a safety valve, a main distributor of the ripper hydraulic actuator, lifting and lowering actuating cylinders and a ripper cutting angle changing cylinder, an electromagnetically controlled distributor whose control windings are connected to the control unit provided with an engine load sensor. Wherein the rod cavity of the cutting angle changing cylinder is constantly communicated with the working outlet of the hydropneumatic accumulator connected via the "OR" valve and the check valve to the pressure line of the main pump or to the pressure line of the auxiliary pump. The input of an additional two-position distributor controlled from the working outlet of the hydropneumatic accumulator, equipped with a manometer, is connected to the pressure lines of both pumps. The output of the two-position distributor is connected by a drain line to the hydraulic tank. The distributor with electromagnetic control is made two-stage and connected between the working outlet of the hydropneumatic accumulator and the drain line. The spool of the first stage of the distributor with electromagnetic control has electric control circuits connected to the electronic control unit of the hydromechanical transmission of the tractor, equipped with a speed sensor of the output shaft of the hydromechanical transmission. The spool of the second stage is hydraulically controlled. Wherein the output of the two-stage distributor is connected to the piston cavity of the cylinder for changing the cutting angle of the ripper.EFFECT: providing the possibility of automatically changing the cutting angle, taking into account the rock resistance to cutting by means of electrical control circuits connected to the electronic control unit of the hydromechanical transmission of the basic tractor.1 dwg

Jaw bucket of loader // 2633843
FIELD: construction.SUBSTANCE: jaw bucket of a loader includes a front jaw and a rear jaw, hingedly connected, hydraulic cylinders of the front jaw control, hingedly connected to it and to the rear jaw, while the fixation hinge axes of the hydraulic cylinders of the front jaw control are arranged in the plane perpendicular to the plane passing through the hinge axes of fixing the front jaw to the rear jaw and the hinges of fixing the front jaw to the rear jaw and to the hinges of fixing the front jaw to the hydraulic cylinders of the front jaw control in the closed position of the front jaw.EFFECT: increasing the efficiency of closing the bucket jaws and preventing the possibility of spillage of the material being reloaded.1 dwg

Reversible impact device for driving wells in ground // 2631461
FIELD: construction.SUBSTANCE: reversible impact device when driving wells in the ground contains a housing and a striker with an air distribution pipe having an axial channel, a radial window in the wall and a liner, a cage with two annular grooves freely mounted on the air distribution pipe above the liner. The air distribution pipe has an annular groove in the wall, connected to the axial channel by at least two radial windows, the cage being made diamagnetic and rigidly attached to the housing. The liner consists of at least two magnetic elements installed with the possibility to contact by their side surfaces with the side walls of the annular groove and with each other.EFFECT: ensuring stable operation in the modes of forward and reverse strokes and simplifying the design with the device operation durability.2 cl, 3 dwg

Thrusting drive of mine excavator // 2631062
FIELD: mining engineering.SUBSTANCE: thrusting drive mechanism of a singel-bucket excavator is necessary for carrying out reciprocal travel of the handle when digging, inserting thereof in the face and removal of soil by moving the bucket by the excavator lifting mechanism. The technical problem of the invention is to simplify the structure of the thrusting drive tension device by maximizing the weight of the engine when the belt is tensioned, increasing safety of the thrusting drive and belt tensioning device. The technical problem is solved by implementing the thrusting drive in the mine excavator, containing an electric motor and a reducer, the pulleys connected by a belt are respectevely mounted on the inlet and outlet shafts, as well as the belt tensioning device and the brake. The electric motor is located on the base, pivotally mounted on the boom. The belt tension adjusting device comprises a hydraulic cylinder fixed to the boom, which rod is pivotally connected to the edge of the base from the side of the reducer. The brake comprises a threaded rod, a lock nut, an adjusting nut and spherical washers and is mounted on a bracket located on the boom, and the brake rod is pivotally connected to the base edge of the opposite reducer. The distance from the electric motor position on the base to the point of the base pivot mount on the boom is , where T is the force necessary to tension the belt (selected empirically), G is the engine weight, α - the angle of the belt to the horizon, H - the height of the engine centers to the base pivot mount on the boom.EFFECT: simplification of the thrusting drive tension device, possibility to obtain maximum use of the engine weight for tensioning the belts, and improve safety of the thrusting drive.2 cl, 3 dwg
Thrust drive of mine excavator // 2631060
FIELD: transportation.SUBSTANCE: method is implemented by means of executing the thrust drive of a rack mine excavator in the form of two drive motors connected by a V-belt drive with the corresponding gearboxes arranged in a double-beam boom, on the output shafts of which rack gears are installed. The rack gears are interfaced with racks located on a handle. In the boom beams, cylindrical cups are symmetrically made. The gearbox housings are cylindrical and are arranged in the cups of the boom beams in the form of removable blocks. The cylindrical seating surface is coaxially located on the outer surface of the gearbox housings, and flanges with openings for bolting to the boom are located at the ends of the gearbox housings. The input shaft of each gearbox is equipped with a brake combined with the pulley of the V-belt drive, and the distance between the rack gears is more than twice the width of the gear. A sprocket connected with an encoder is installed on one of the output shafts of the gearboxes.EFFECT: creating a reliable thrust drive, increasing its maintainability, namely, carrying out repairs by means of removing the gearbox unit without disassembling the transmission, simplifying the installation of the thrust drive and the possibility of dismantling the rack gears without dismantling the gearboxes.2 cl, 1 dwg

3d controller of volume speed of reclaimer // 2630020
FIELD: physics.SUBSTANCE: method and apparatus (10) of 3D volume speed control for the rotary dump reclaimer is described (16). The device (10) comprises four 3D image sensors (12) mounted adjacent to the scoop wheel (14) of the picker (16), which are configured to provide 3D images of the blade surface of the dump. The apparatus includes a data processor (20) for (i) processing 3D images obtained by the 3D image sensors (12) to create a 3D profile of the blade surface, (ii) calculating the shear rate at the fence at which the material is cut from On the basis of the measured change in the volume of the 3D profile of the blade shoulder surface in the region adjacent to the excavation tool, (iii) calculating the shear volume at the material removal that will be cut off from the blade surface, based on the shape of the excavation tool and 3D profile shoulder blade surface to determine the profile of volumetric rate at cutoff fence feedforward and (iv) calculating operating parameter for reclaimer based on the desired volumetric rate of cutoff while reclaiming compared to the measured volumetric rate of cutoff while reclaiming and profile of volumetric rate of the cutoff while reclaiming with anticipation.EFFECT: method and the device provide an accurate measurement of the fence volume so that the volumetric fence speed becomes independent of the product characteristics, the shape of the blade surface and the parameters of the bucket wheel cutting.23 cl, 14 dwg
Bucket with sifting plate controlled by heavy machine // 2630013
FIELD: machine engineering.SUBSTANCE: plurality of sifting plates (3) are spaced apart from each other and form a screening surface (2), in which sifting slotted holes are made and at the top of which the material to be sifted can be placed. Turning shafts (4) are arranged under the sifting surface (2). The shafts (4) are equipped with knives (5), which protrude from the shafts and pass through the sifting slotted holes above the sifting surface (2). The knives (5) are made converging like a wedge in the direction of their rounded tips. The lateral edges of the knives (5) are substantially straight, and the angle between them is in the range 20-28°.EFFECT: increasing the operational reliability.6 cl, 4 dwg

Bulldozer equipment // 2627512
FIELD: transportation.SUBSTANCE: bulldozer equipment contains the following elements: a blade with butt faces with a frontal surface and a back side; pushing bars connected with the blade by hinges; hydraulic cylinders for lifting and lowering the blade; hydroscales changing the cutting angle of the blade; lateral cheeks hingedly fixed by means of brackets and bushings to vertical axes, installed on the butt faces of the blade; half-bottoms fixed with by means of hinges to the lower edges of the lateral cheeks. In the upper parts of the butt faces of the blade, the housings of hydromechanisms of lifting and lowering the lateral cheeks together with the half-bottoms are fixed with by means of swivels, and their rods are hinged to the brackets on the side cheeks. On each of the lateral cheeks, hydromechanisms of lifting and lowering the half-bottoms are installed with respect to the lateral cheeks. On the back side of the blade there are two hydromechanisms of turning the lateral cheeks with the half-bottoms in the horizontal plane, consisting of hydraulic cylinders, cranks and thrusts. Wherein the thrusts are attached to the lateral cheeks by means of ball joints, and the cranks and the housings of the hydraulic cylinders are fixed to the rear side of the blade using ball joints as well. On the adjacent faces of the half-days, butt connectors are made.EFFECT: no need to upgrade for lengthening of the pushing bars impairing the conditions of cutting the blade into the soil and reducing the productivity; when digging the soil with a blade, in front of it there are no protruding equipment elements reducing the visibility for the machine operator and prone to breakage in contact with the soil.2 cl, 8 dwg

Protective frame for the vehicle cab and the vehicle with such frame // 2627053
FIELD: transportation.SUBSTANCE: present invention discloses the protective frame (12) for the vehicle cabin. The protective frame includes the upper frame (121) and the side frames (122) respectively, extending from the both ends of the upper frame (121) in the direction of one and the same side, the end of each side frame (122) is being rigidly connected to the vehicle body (13). The outer side of the lateral frame (122) lower part is inclined relative to the vehicle body (13). The present invention also relates to the vehicle, equipped with the above mentioned protective frame.EFFECT: safety increase.10 cl, 2 dwg

Bucket of front-end loader // 2626106
FIELD: construction.SUBSTANCE: bucket of the front-end loader contains a body, side walls, side knives, vertical knives, a knife plate, teeth, visor, stiffeners, eyes, wedge of the front wall of the bucket body, which is formed by the inner and outer surfaces, differs in that the wedge contains an inner and outer plates, which in combination with the back side of the wedge form a closed cavity, the knife plate has a step for articulation with the outer wedge plate, the teeth are uniformly located on the knife plate and fixed on it, the lower working surface of the tooth is parallel to the support outer plane of the wedge.EFFECT: supplying the bucket with a wedge ensures the installation of the bucket at the beginning of digging without the use of an automatic control system, the digging process is realized in a simple, separate way, which ensures high productivity.7 dwg

ethod of hydraulic dredger operation // 2626076
FIELD: construction.SUBSTANCE: method of hydraulic dredger operation which comprises development of water storage by hydraulic dredger or purification of water storage, wherein after completion of the development or purification of water storage, the suction pipeline or its part is disconnected, soil pump is started by retaining at least the suction nozzle and immersing its open end into water, increasing the rotation frequency by 25-35%, and the pipeline is being rinsed from the residual ground masses for at least 30 minutes, after which water is supplied to the consumer through its own discharge pipeline or pre-connected water supply pipeline. The suction nozzle can be made in the form of a flexible corrugated hose, the open end of which is equipped with a protective basket or grid and rigidly connected to the body of the hydraulic dredger, immersing it to a depth of 1.4-2.7 m. Drive of the soil pump is performed from the diesel engine.EFFECT: expansion of the technological capabilities of the hydraulic dredger and exclusion of expenditures for construction and pump station creation.8 cl, 2 dwg

Electronic-hydraulic control system with the bulldozer drawing // 2624079
FIELD: machine engineering.SUBSTANCE: proposed electronic-hydraulic control system dozer blade comprising pump hydraulic attachments, the main valve, the hydraulic cylinders lifting-lowering the blade and the additional valve, communicating with the two cavities of hydraulic cylinders lifting and lowering the blade, and an electronic circuit comprising a pressure sensor in the piston cavities lifting-lowering cylinders blade coupled to the analog-to-digital converter which is connected with a comparison circuit, which allows to set the value of hydraulic fluid pressure, the output of which is a control input of the additional distributor. The latter is made two-item with electronic control. Two hydraulic cylinders are also connected to the main distributor, changing the cutting angle of the blade, the rod cavities of which are connected to the working branch of the pneumohydraulic accumulator connected via the OR valve and the check valve to the hydraulic circuit of the hydraulic pump of the attached equipment or to the pressure hydraulic line of the servo control pump of the tractor's side friction clutches. And an additional two-position distributor is connected to the pressure hydraulic line of the hydraulic system pump of the attached equipment, controlled from the pneumatic accumulator, which is equipped with a manometer for the working drain. In this case, the output of the additional two-position distributor is connected by a drain line with a hydraulic tank. A two-stage distributor is connected between the working tap of the accumulator and the drain line, the first stage of which, with electromagnetic control, has electric control circuits connected with the electronic control circuit of the hydromechanical transmission of the tractor, the second stage cascade is hydraulically controlled. And the output hydroline of the additional two-position distributor is connected to the piston cavities of the hydraulic cylinders of the angle of cutting of the bulldozer blade.EFFECT: increase in the productivity of bulldozers and an increase in the lifetime of the pump.1 dwg

Pumping device and underwater trenching device // 2623333
FIELD: engines and pumps.SUBSTANCE: pumping device includes a main pump with an inlet and an outlet of fluid respectively with low and high pressure, and a means associated with the input of the main pump fluid, operated in the case where the external pressure is insufficient to prevent cavitation in the main pump, for local fluid pressure increase at the inlet of the main pump. The device comprises one or more controlled flow restriction valves disposed downstream of the high pressure fluid output. The valves have position limiting the flow and the position not limiting the flow, wherein the position limiting the flow functionally reduces the incoming flow in the main pump and increases the discharge pressure at the output of the main pump fluid in comparison with the situation not limiting the flow. One or more controlled valves are conected through a pipeline for fluid interaction with the basic fluid output.EFFECT: cavitation reduction or elimination in the pumping device for jet trenching tool when used in shallow water.12 cl, 1 dwg

ale and female parts of wearing assembly of earthmoving machine bucket // 2622958
FIELD: agriculture.SUBSTANCE: wearing bucket assembly contains a wearing element in the form of a female and a male part. The female part and the male part of the wearing bucket assembly of the earthmoving machine are determined by the mutually orthogonal directions X, Y and Z, respectively. The female part comprises a cavity with the upper and the lower contact surfaces. The upper contact surface has the upper front contact portion extending rearward from the cavity bottom, and the lower contact surface has the lower front contact portion extending rearward from the cavity bottom. One of them, the upper or the lower, is concave and the other is convex, and these segments are symmetrical with respect to the central plane XZ. The upper contact surface has the upper rear contact portion extending forward from the cavity mouth, and the lower contact surface has the lower rear contact portion extending forward from the cavity mouth, one of which, the upper or the lower, is concave, and the other is convex. The upper rear contact portion is concave, and the upper front contact portion is convex, or vice versa. The upper and the lower rear contact portions are parallel to each other in any section parallel to the plane YZ. The male part has the front end with the upper and the lower contact surfaces. The upper contact surface has the upper front contact portion extending rearward from the top of the front end and the lower contact surface has the lower front contact portion extending rearward from the top of the front end; one of which, the upper or the lower, is concave, and the other is convex, and these portions are symmetrical with respect to the central plane XZ. The upper contact surface has the upper rear contact portion extending forward from the base of the front end, and the lower contact surface has the lower rear contact portion extending forward from the base of the front end. One of them, the upper or the lower, is concave, and the other is convex. The upper rear contact portion is concave, and the upper front contact portion is convex, or vice versa. The upper rear contact portion is parallel to the lower rear contact portion in any section parallel to the YZ plane.EFFECT: wear reduction of the bucket assembly.26 cl, 14 dwg

Bucket and method of its application // 2622058
FIELD: machine engineering.SUBSTANCE: bucket (3) includes a bottom (10), side walls (11), a rear plate (12) and a connecting element (9) by means of which the bucket is connected to a working machine (1). The bucket also contains at least one screen part (6) having a lot of adjacent bars (7) which form a grid. At least one bar in the screen part is subjected to vibration by a vibration unit (16) so that the vibrating bar moves relative to the bucket.EFFECT: increased operational reliability.9 cl, 8 dwg

Excavator wearable unit // 2621815
FIELD: machine engineering.SUBSTANCE: one of the locking unit versions for the excavator wearable unit, which contains the locking pin, having a flange portion and a longitudinal axis, and a holding unit, having a fixing element and designed to receive the locking pin. Wherein the locking element of the retaining unit is adapted to deform perpendicularly to the longitudinal axis of the locking pin, when the locking pin is inserted longitudinally into the holding unit. Wherein the locking element of the retaining unit is adapted to engage with the flange part of the lock pin to prevent the locking pin extraction from the holding unit, when the locking unit is in the fixed position. The locking element has the protuberance in the shape of a circle segment, substantially extending along the inner wall, and the protuberance adapted to engage with the flange part to prevent relative rotation between them. And the method of fixing the excavator wearable element on the bracket.EFFECT: increase of the gear tooth elements lifetime, gear tooth holding system simplicity and economic efficiency.61 cl, 37 dwg

Hydraulic system with kinetic energy drive // 2621408
FIELD: machine engineering.SUBSTANCE: hydraulic system comprises a hydraulic fluid, a hydraulic machine (142), a hydraulic circuit for supplying fluid to the hydraulic actuator (103A, 103B). Hydraulic machine (142) configured to receive hydraulic fluid from the hydraulic actuator (103A, 103B). The hydraulic system also comprises a memory (150) the kinetic energy - a flywheel coupled to said hydraulic machine (142). Hydraulic machine (142) capable of transferring energy from the hydraulic fluid derived from the hydraulic actuator (103A, 103B) in the flywheel.EFFECT: increase the efficiency of the hydraulic system.22 cl, 14 dwg, 1 tbl

Locking means for earth-moving body // 2621249
FIELD: agriculture.SUBSTANCE: lock is set in the locking cavity of the earth-moving body tip. The lock comprises the head portion, the rear wall, the top wall and the bottom wall, forming the C-shaped portion attached to the head portion, wherein the top and the bottom walls of the C-shaped section together form a groove, and the wall extending between the rear wall, the top wall and the bottom wall. Wherein the wall closes one side of the groove, in which the wall comprises the first surface placed opposite the rear wall and placed at an angle to the head portion towards the rear face.EFFECT: protection against falling out and the reliable retention of the earth-moving body on the bucket and other working bodies.15 cl, 31 dwg

Equipment for developing and loosening rocky and frozen soils // 2621228
FIELD: mining.SUBSTANCE: equipment for developing and loosening frozen and rocky soils includes a basic mechanism, an arrow with a diesel-hammer pivotally mounted thereon. The diesel-hammer has a main upper working cylinder and a lower auxiliary cylinder made in a ratio of diameters of 2:1.EFFECT: ensuring the reliability and efficiency of loosening, ease of controlling work processes and significant increasing the productivity.1 dwg

Submersible grounding centrifugal pump // 2621193
FIELD: engines and pumps.SUBSTANCE: precoat submersible centrifugal pump comprises an impeller with blades, provided with a drive housing (3) with attached thereto the main outlet pipe (5) and the additional output pipes (6, 7) provided with flaps (8). The housing (3) includes an impeller with minimal radial clearance. At its inlet (15) mounted inlet oriented in the meridional cross section in the main pipe (5). Additional nozzles (6, 7) are arranged in a first of the main pipe (5) half shell (9) of the housing (3) according to the rotational direction of the impeller 1.EFFECT: increase of the pump upon removing the soil by increasing the intensity of the loosening process.5 cl, 12 dwg

Crane // 2621134
FIELD: transportation.SUBSTANCE: crane (1) with at least one telescoping bracket (2) comprises a boom (3) and its extension (4) by means of a steering swivel (5) disposed on the boom extension (4), comprising two spaced-apart swivel pads (10), the working body (20) is fixed on the telescopic crane bracket (2), and hydraulic lines (6) lead from the boom (3) between the spaced-apart swivel pads (10) of the steering swivel (5) to the working body (20). In the end zone (41) of the boom extension (4), on which the steering swivel (5) is arranged, a guide (7) for the hydraulic lines (6) is provided, which guides them from the boom extension (4) to the zone (51) between the spaced-apart swivel pads (10) of the steering swivel (5). Fixing elements (8) for the hydraulic lines (6), between which the hydraulic lines (6) pass in the form of hydraulic hoses (9), are arranged on the boom (3) end (31) remote from the working body (20) and on the guide (7) end (71) remote from the working body (20).EFFECT: crane improvement.8 cl, 4 dwg

Trailer machine for removing and loading soil in greenhouses // 2621041
FIELD: agriculture.SUBSTANCE: machine contains a support frame, a conveyor, a bucket, links and a drive mechanism. The conveyor is located behind the bucket, with its bottom part behind the bucket bottom edge. The bucket is connected to the conveyor by means of the lower and upper links. The hinge and drive mechanisms are fixed to the upper bucket wall, wherein the hinge mechanism is fixed at the front part, and the drive mechanism - at the rear part of the upper bucket wall.EFFECT: effective removal of used soil layer in conditions of limited space of greenhouses.1 dwg

Plough channel digger // 2620640
FIELD: agriculture.SUBSTANCE: plough channel digger comprises a body in the form of mouldboard surfaces, a ploughshare and a roller support. Before the body in the gap of its sidewalls a vertical wheel cutter is installed by means of a height-adjustable rack. In its bottom part the body rests on a height-adjustable roller, the length of which is equal to the channel bottom width at its trapezoidal cross-section. Compacting drums are pivotally arranged on the outer body edges, attached to the body by means of sliding bearings. The sidewalls of the body are fixed by spacers relative to the rack. Rollers arranged in the sidewall windows are mounted on the inner side of the sidewalls by means of sliding bearings on axles. The sliding bearings are fixed to the sidewalls by bolts, and the rollers are arranged on the sidewalls by the movement path of a soil layer.EFFECT: simplifying the plough channel digger design, reducing the draft resistance.2 dwg

Protective assembly for roughterrain vehicles // 2619478
FIELD: machine building.SUBSTANCE: group of inventions relates to a protective assembly for roughterrain vehicles and an excavator with the similar protective assembly. The protective assembly comprises a protection plate and a plurality of protecting fins provided on the said plate. At least one fin is shorter in length than the other fins at one end, and all fins are equal at the other end. These fins are sloped at both ends. The said plate is also made with one or more profiles with a constant cross-section in the front part of the plate and with varyable cross-section, leading to the front part of the plate.EFFECT: invention enhances strength and the service life of the vehicles.11 cl, 6 dwg

Device for finishing bench slopes // 2618806
FIELD: mining.SUBSTANCE: device includes a platform, boom equipped with guides, a trolley with support rolls suspended on the guides and having a mechanism for moving along the beam, a rock-destroying working tool with a mechanism for its rotation. There are hydraulic cylinders for beam rotation, a diesel generator and oil-station on the platform. The boom is equipped with an axial movement mechanism, through which it is kinematically connected to the platform. The platform is equipped with running supports with cylinder-jacks and running wheels having independent drives for their rotation and autonomous mechanisms of rotation about a vertical axis. The rock-destroying working tool is a hammer rotor.EFFECT: provision of layer-by-level finishing of bench slopes of heights of up to 30 m, increased stability and maneuverability, possibility of adjusting the horizontal position of the platform with the equipment before breaking each layer of rock or trimming bench slopes, use of the least energy-consuming impact tool.3 cl, 7 dwg

Vibration damper for high loads // 2618794
FIELD: machine building.SUBSTANCE: vibration damper is described, it can operate under high loads and comprises: a support section of a vibrating object, having first support sections of axles; axles of rotation installed with possibility of rotation at first support sections of axles, have sections excentric relatively to centers of rotation, and are spaced with given space; a support section comprising second support sections of axles supporting with possibility of rotation the excentric sections; and an elastic member installed between the support section of the vibrating object and the support section or between the support section of the vibrating object and second support sections of axles and elastically supporting support section relatively the support section of the vibrating object in direction upward; and assembly of rotation synchronization installed on axles of rotation to synchronize the direction of rotation of axles in accordance with the vibration.EFFECT: vibration dampener operating under high loads, and used with different construction machines and excavators, and preventing transfer to boom or housing of the excavator or construction machine of the vibration generated by different work attachments.10 cl, 17 dwg

Spring device for controlling throttle latch of the machine // 2618769
FIELD: machine engineering.SUBSTANCE: first end of the spring device (301) is rigidly connected to the throttle latch control (201) and the second end of the spring device (301) is pivotally connected to the rocker arm (206) of the throttle control pedal (205) and to the stem (207) throttle latch control. The throttle latch control lever (201) is movably produced. The spring device (301) pulls the throttle latch control shaft (207) to control the throttle latch position change to move the machine. The throttle latch control pedal (205) is movable. The rocker (206) pushes the throttle latch control shaft (207) to control the deceleration or braking of the machine. The spring device (301) is deformable to absorb a portion of the pulling force from the pedal (205) so that the pulling force is applied to the throttle latch control handle (201) by the spring device (301) is less than the locking force of the handle (201) by the throttle latch to lock the throttle latch control handle (201) while the pedal is moving (205).EFFECT: simplification of design and prevention of malfunctions.16 cl, 5 dwg

ethod of energy recovery of the excavator rotary platform hydraulic drive // 2618154
FIELD: electricity.SUBSTANCE: in the method, the software/logic controller, through the sensor system, reads the increase in peak values of dynamic loads - torque, rotation angle, angular acceleration and in the deviation from the set torque values puts into use the electric recuperator. When the critical loads are exceeded, the electric recuperator brakes the platform and operates as a generator, converting mechanical and hydraulic energy into electrical energy, accumulating some of the mechanical energy in the battery, and the other part - by redirecting it to the on-board network. When the electric recuperator operates, the hydraulic system operates at a reduced pressure with lower pump and hydraulic motor powers, the dynamic and speed characteristics are controlled by the electric recuperator by changing the torque on the shaft of the drive gear. In the process of the electric recuperator operation, the actuators of the drive synchronously redistribute the power load over the contact surfaces of the kinematic pairs, ensuring a reduction in the concentration of internal voltages on a limited contact area per unit of work time.EFFECT: reduction of energy losses.3 dwg

Automated operations of mining machine // 2617498
FIELD: mining.SUBSTANCE: embodiments of the present invention relate to automated operations of mining machines, such as mining machines of continuous action for the exploitation of solid mountain rocks. The methods and the system of automatic control of mining tunneling machine of continuous action. One method involves automatic controlling of at least one actuator for setting the platform carrying the shearer head to a predetermined position for start-up, automatic control of at least one actuator for extending the platform to the face being exploited before entering the shearer head into contact with the face being exploited and the excess of at least one indicator of physical force between the shearer head and the pit-face exploited, of a predetermined value, and automatical saving of at least one coordinate of the face being exploited on a computer readable medium, wherein at least one of the coordinates is based on the parameter of at least one actuator when the indicator exceeds the predetermined value.EFFECT: invention provides higher safety and efficiency of work.122 cl, 26 dwg

Hydrostatic drive device and a vehicle car with this device // 2617019
FIELD: engines and pumps.SUBSTANCE: hydrostatic drive device comprises an engine, a dual pump driven from an engine, and a hydraulic control valve hydraulically connected to it. The hydraulic control valve controls the on-off and/or direction of working fluid flow. The hydraulic control valve is rigidly connected to the engine and/or the dual pump.EFFECT: increased efficiency.10 cl, 2 dwg

Forest-fire ground-throwing machine // 2616021
FIELD: fire safety.SUBSTANCE: casing ripper is rigidly fixed on the frame to protect the cutter-thrower from the hitting the obstacles and preliminary ground loosening, equipped with two windows for the ground ejection, and there are three cuttings knifes installed at the obtuse angle to the entry into the soil.EFFECT: improved reliability due to the protection of the cutting working body from hitting the obstacle, efficiency increase of the work with the soil full of trees and shrubs roots, and the compacted cohesive soils, reduction of the weight and size of the machine.2 dwg
 
2551362.
Up!