Unified excavator

FIELD: construction.

SUBSTANCE: excavator comprises carrier with travel mechanism and rotary platform, where the following components are installed - cabin, working equipment, which comprises boom, handle, bucket, double-leg stand, on which boom is fixed by means of anchor ropes, body with lift and rotation mechanisms, discharge mechanism. Rotary platform consists of two parallel boxy beams, which are produced by pair vertical metal sheets and upper and lower metal belts. Central part of platform is arranged between beams, and its height is equal to height of vertical metal sheets. Metal sheet is installed at front ends of boxy beams and central part of platform, and vertical ribs are rigidly fixed on it symmetrically to external vertical sheets of boxy beams. Excavator is arranged with the possibility of unification due to application of rope and rack discharge mechanism. Axis of rack discharge mechanism boom is placed in holes provided into vertical ribs, and distance between brackets of anchor ropes fixation on double-leg stand is equal to distance between anchor ropes at upper part of boom.

EFFECT: excavator unification, namely, such arrangement of rotary platform that makes it possible to install working equipment with rope or rack discharge mechanism on a single base, depending on developed object, with preservation of machine parametres.

6 dwg

 

The invention relates to excavation and loading machines, designed to develop and loading into vehicles or dump minerals, overburden in open-cast mining in ferrous and nonferrous metallurgy, coal industry and to handle large volumes of earthworks.

The famous "Frame of the vehicle for attachment of work equipment" (Patent RU №2068478, E02F 3/76, Publ. 1996.10.27), consisting of two enclosed along the perimeter of the box section with lugs for connection to the main frame of the vehicle by yourself vehicle. The task of this invention is to enhance the functionality of the frame with a simultaneous increase its rigidity and reliability of attachment to the vehicle.

Known rotary platform excavator (Patent RU №2019647, E02F 9/10, Publ. 1994.09.15). Swivel platform contains the skeleton of the platform and secured to the frame of the balcony through the ribs. The frame consists of two longitudinal beams connected by edges, shelves, boxes, base. The longitudinal beams are formed by leaves eyes, conventionally called the outer ear and the inner associated diaphragms, shelves and ligament. The base is formed from the lower sheet and is fixed below the support ring. Working equipment attached at the top is the róisín the longitudinal beams of the turntable.

Known excavator (P&N 2800 XP(In), booklet Harnishfeger Corporation, Milwaukee, WI 53201)containing a running cart, swivel platform, which includes a housing with an equipment frame, operator's cab, the boom arm and bucket. The drive head is located on the boom.

As a prototype of the selected quarry caterpillar excavator type ECG-15, developed by JSC "Izhora plants" (Manual 3537.00.00.000-OSRA Excavators career crawler type ECG-15, ECG-8U and ECG us, St. Petersburg, 2000, p.9-35). The excavator consists of the undercarriage, turntable, which has a body with a lifting mechanism and rotation of the working equipment (bucket, boom, arm, cab, and engine head and bipedal hour. A turntable is a welded metal structures from sheets of steel. Its skeleton consists of two box girder formed by a pair of vertical steel plates and horizontal upper and lower steel belts. The Central part of the platform consists of two horizontal steel plates and mounted between the box beams flush. To the front ends of the box beams and the Central part of the platform is welded to the face sheet.

An object of the invention is the unification of the excavator, and it is this performance rotary is latform, allows you to install on one basis depending on the object of development work equipment to the cable car or rack-and-pinion mechanism of the power saving settings of the machine.

The problem is solved by performing excavator containing running the truck with the movement and the turntable, on which the cabin, working equipment (boom, arm, bucket), a two-legged stand, which guys fixed the arrow, the body with a lifting mechanism and rotation, as well as the mechanism of pressure. Swivel platform consists of two parallel box beams formed by a pair of vertical metal plates and the upper and lower metal belts, between beams placed the Central part of the platform, the height of which is equal to the height of the vertical metal sheets, the front ends of the box beams and the Central part of the platform installed sheet metal. A turntable provided with vertical ribs fixed on the metal face sheet, symmetrically external vertical sheets of box beams turntable and are continuing. On the vertical edges is removable pad placed on it by the pressure mechanism, moreover, the vertical ribs are provided with holes for the axis installation boom rack and pinion head. The distance between chrons what Anami mounting of the guys on bipedal stance is equal to the distance between the guys on the top of the boom.

Mounted on the rotary platform vertical ribs, which made holes for mounting the axis of the boom rack and pinion head, allow you to use the turntable as a basic module, which allows you to mount the working equipment excavator cable car or rack-and-pinion head.

If the excavator is equipped with cable pressure on the ribs install removable pad. A pressure mechanism (lifting winch) is placed on a removable platform that enables rational use of the area of the turntable.

When the equipment excavator rack-and-pinion head into the holes of the vertical edges is established axis, the mounting of the boom. Since in this case the mechanism of pressure placed directly on the boom, and the force on the handle is transmitted through cremallera gear. Removable space in this case is not installed.

The distance between the mountings of the guys on bipedal stance is equal to the distance between them at the top of the boom, it prevents additional effort because of the bias of the guys.

Figure 1 presents a General view of the excavator, with an additional platform and equipped with cable head.

Figure 2 presents a turntable with vertical ribs and set them more space.

Figure 3 and figure 4 PR is dostavleno working equipment excavator with the cable head.

Figure 5 presents the fastening work equipment excavator with rack-and-pinion head.

Figure 6 presents the fastening vant to bipedal stance when there is a jumper on the two-legged stand.

Unified excavator 1 (1, 2, 3) consists of the undercarriage 2, a turntable 3, the cab 4, working equipment, namely the boom 5, the arm 6 and the bucket 7; also contains mounted on the rotary platform body 8 hosting the mechanisms of stroke and rotation (figures not shown), the two-legged rack 9 and the pressure mechanism 10 (items of work equipment and the mechanisms of power marked the same positions in all the drawings for both types of excavators, as considered only as functional blocks). The rotary platform 3 (figure 2) consists of a longitudinal box beam 11, is made of outer and inner vertical metal sheets 12 and horizontal top and bottom metal belts 13, the Central part 14, which represents a horizontal metal sheets with ribs between them (figure 2 not shown). The Central portion of the platform 14 connects the longitudinal beam box-section 11. Its height is the height of the vertical metal sheets box beams. On the front end of the platform is installed metal sheet 15, which is repleni vertical ribs 16, installed symmetrically external vertical sheets 12 box beams 11, forming, thus, a continuation of the vertical sheets 12. Vertical ribs 16 provided with holes 17.

When the equipment excavator 1 of the cable head (1, 2, 3, 4) on the ribs 16 is installed removable pad 18, which is the mechanism of the head 10.

Arrow 5 (Fig 1 and 2, the cable head) mounted on the rotary platform in the removable brackets 19, in the Central part is attached to the biped rack 9 braces 20 and in the upper part of the backstays 21. The handle 6 is installed on the boom 5 in the saddle bearing 22. The pressure of the rope 23, recoil rope 24, hoisting cable 25.

When the equipment excavator 1 rack-and-pinion head (figure 5) into the holes 17 of the vertical ribs 16 install the axle 26 on which is mounted the bolt 5. In the upper part of the bolt 5 is attached on the two-legged rack 9 guys 21. The handle 6 is connected to the rail 27, which is connected with cremalleras gear 28, rotating on the axis 29 of the saddle bearing 30. The mechanism of the head 10 in this case is mounted directly on the boom 5.

Guys 21 (6) are connected by axles 31 by brackets 32 mounted on the crosspiece 33, connecting the left and right beams two-legged stand.

The distance between fastenings past 21 bipedal rack 9 is equal to the distance between the backstays 21 on the upper side of the boom. This allows excluding the examine appearance extra effort with the misalignment of the past.

When picking machine of the cable head (1, 2, 3) on the vertical ribs 16 are installing a removable pad 18 with the drive head 10. Navigation "on the slaughter" is the pressure line 23, and "on" recoil rope 24. Raising and lowering of the bucket is effected by lifting rope 25. At the same time excluded the extra effort, because the installation and fastening of the cables 21 eliminates the possibility of bias.

The reciprocating movement of the handle 6 when installing the rack-and-pinion head (figure 5) is due to the gearing associated with the handle 6 of the rail 27 from rotating on the axis 29 of the saddle bearing 30, cremalleras gear 28. Rotation cremalleras gear 28 is carried out by the mechanism of the head 10, is placed directly on the handle 6.

The possibility of the use of the undercarriage with the turntable as the main base module for picking excavator cable car or rack working equipment depending on the requirements of the consumer and enables standardized machine with advanced technical capabilities for use in various mining and geological conditions. In addition, makes it possible to reduce the production cost by reducing the range of components and spare parts.

Excavator containing running the truck with the movement and the turntable, on which toroi installed cabin, working equipment, including boom, arm, bucket, two-legged stand, which guys fixed the arrow, the body with the lifting mechanism and the rotation mechanism of the head, turning the platform consists of two parallel box beams formed by a pair of vertical metal plates and the upper and lower metal belts, between beams placed the Central part of the platform, the height of which is equal to the height of the vertical metal sheets, the front ends of the box beams and the Central part of the platform installed sheet metal, wherein the metal face sheet turntable symmetrically external vertical sheets of box beams, rigidly fixed vertical fin, this excavator is made with the possibility of unification through the use of rope and a rack and pinion mechanism of the head, with the axis of the boom rack and pinion mechanism of the head placed in the holes formed in the vertical edges and the distance between the mounting brackets of the guys on bipedal stance is equal to the distance between the guys on the top of the boom.



 

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Unified excavator // 2379426

FIELD: construction.

SUBSTANCE: excavator comprises carrier with travel mechanism and rotary platform, where the following components are installed - cabin, working equipment, which comprises boom, handle, bucket, double-leg stand, on which boom is fixed by means of anchor ropes, body with lift and rotation mechanisms, discharge mechanism. Rotary platform consists of two parallel boxy beams, which are produced by pair vertical metal sheets and upper and lower metal belts. Central part of platform is arranged between beams, and its height is equal to height of vertical metal sheets. Metal sheet is installed at front ends of boxy beams and central part of platform, and vertical ribs are rigidly fixed on it symmetrically to external vertical sheets of boxy beams. Excavator is arranged with the possibility of unification due to application of rope and rack discharge mechanism. Axis of rack discharge mechanism boom is placed in holes provided into vertical ribs, and distance between brackets of anchor ropes fixation on double-leg stand is equal to distance between anchor ropes at upper part of boom.

EFFECT: excavator unification, namely, such arrangement of rotary platform that makes it possible to install working equipment with rope or rack discharge mechanism on a single base, depending on developed object, with preservation of machine parametres.

6 dwg

FIELD: transport.

SUBSTANCE: proposed excavator comprises running gear with platform to support body, cabin, hoisting winch with cable, bipod with pulley and working equipment including boom with head pulley made up of upper and lower links, bar with bucket and pressure mechanism. Note here that said bar is arranged on boom to turn thereon driven by hoisting mechanism and be displaced by pressure mechanism. Boom links are articulated to turn there about driven by their driving mechanism. Note here that upper link may be fixed relative to lower link at two extreme positions. Additional pulley is arranged on lower link jointed by guys with aforesaid bipod. Hoisting winch cable runs over said pulley at one of extreme positions of upper link. Upper link driving mechanism is made up of hydraulic cylinder. Retainers are arranged to fix upper link relative to lower link.

EFFECT: higher efficiency.

4 cl, 2 dwg

FIELD: machine building.

SUBSTANCE: excavator working tools contain a boom with head blocks and saddle bearing, handle comprising a beam and head, installed in the saddle bearing; bucket comprising side, front, rare walls and bottom; bucket suspension blocks. The handle head is made in form of the truncated pyramid, its faucets are top, bottom and side walls. The pyramid rectangular bases are located at angle over 25° to each other. The smaller base is equal to the handle beam cross-section. The larger base is equal to rare wall of the bucket, and is rigidly secured on it. Top and bottom parts of the side walls of the bucket have shoulders locked in symmetrical slots on sides of the head. The bucket bottom is hingedly installed in brackets on the bottom wall of the head. In the head cavity the pair of brackets of the bucket suspension is installed.

EFFECT: higher reliability of the work equipment.

3 cl, 3 dwg

FIELD: engineering.

SUBSTANCE: invention relates to mining machines, namely mining excavators of the "shovel" with an electromechanical drive of the main machinery. Tools and machinery of an excavator comprises a handle, a rack, a bucket and a boom in the form of two box beams, consisting of two vertical sides and two belts. Beams are connected at the top and bottom and are pivotally mounted on the platform. On beams of the boom symmetrically arranged are spigot saddles with bearing, which are installed with the handle rail, conjugate pinion gear drive head. Boom has two monolithic cups mounted coaxially on the beams of the boom made in the form of two successive coaxial cylinders of larger and smaller diameters with axial internal bores into which pins are pressed. Larger cylinder of each cup is rigidly fixed in the through holes of the vertical walls of the beam of the corresponding boom. Free ends of the lower cylinders are arranged in inter-beam space. On trunnion under the saddle bearing separable bearings are mounted. Location of boom pivots on beams is determined by the relation where L - distance from the lower hinge pins to the axis of the boom, which coincides with the axis of the discharge shaft; q - bucket capacity; k - coefficient of resistance of soil digging (for uniform performance standards); l - the maximum flight stick relative to the axis of the saddle bearing; But - the height of the boom hinge attachment to the turntable boom from the sole of slaughter; Sn - retaining lifting force; Gi - weight moving parts (bucket handle, ground); Li, Ln - respectively, the shoulders and the efforts of the forces Gi Sn relative to the output shaft gear drive head; α - boom angle.

EFFECT: use of the invention makes it possible to create a universal rack operating equipment of an excavator with optimum load distribution, and reduce the complexity of maintenance.

2 cl, 4 dwg

FIELD: mining.

SUBSTANCE: invention relates to mining and construction equipment. Excavator bucket of active action includes a housing and a power actuator in the form of percussion mechanisms with pushers, working teeth and arresters of their travel, as well as with return elements. Power actuator of the bucket of active action is made in the form of eccentric shaft in bearings of the housing of the bucket, with n eccentric elements on the shaft, displaced along and turned around the axis of this shaft relative to each other with a pitch of 360/n degrees along its circumference. Pushers of active teeth are made fork-shaped on one side in contact with cams. Their longitudinal axes are perpendicular to the cam turning axis. On the other side pushers have spherical ends in contact with the active teeth directly interacting with mine rock. Drive motors are installed inside the shaft ends, the motors are mechanically connected to the shaft to transfer torque and connected to frequency-controlled control system.

EFFECT: technical result is increase of power consumption and high efficiency of the bucket of active action.

1 cl, 1 dwg

Unified excavator // 2379426

FIELD: construction.

SUBSTANCE: excavator comprises carrier with travel mechanism and rotary platform, where the following components are installed - cabin, working equipment, which comprises boom, handle, bucket, double-leg stand, on which boom is fixed by means of anchor ropes, body with lift and rotation mechanisms, discharge mechanism. Rotary platform consists of two parallel boxy beams, which are produced by pair vertical metal sheets and upper and lower metal belts. Central part of platform is arranged between beams, and its height is equal to height of vertical metal sheets. Metal sheet is installed at front ends of boxy beams and central part of platform, and vertical ribs are rigidly fixed on it symmetrically to external vertical sheets of boxy beams. Excavator is arranged with the possibility of unification due to application of rope and rack discharge mechanism. Axis of rack discharge mechanism boom is placed in holes provided into vertical ribs, and distance between brackets of anchor ropes fixation on double-leg stand is equal to distance between anchor ropes at upper part of boom.

EFFECT: excavator unification, namely, such arrangement of rotary platform that makes it possible to install working equipment with rope or rack discharge mechanism on a single base, depending on developed object, with preservation of machine parametres.

6 dwg

FIELD: transport.

SUBSTANCE: working mechanism comprises basic mechanism, cab and cab manipulator articulated with basic mechanism designed to change the cab position relative to said basic mechanism. Note here that cab manipulator is equipped with at least one hydraulic actuator to turn the cab about horizontal axis relative to basic mechanism. Note here that said cab id coupled with said manipulator to allow the turns actuated by tilt control hydraulic drive. Besides, said working mechanism includes the cab emergent exit system incorporating one emergent tilt valve for cab tilt adjustment device designed to orient the cab in normal position in emergent exit.

EFFECT: reliable escape of engineman cab.

9 cl, 3 dwg

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

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