Crane

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

 



 

Same patents:

FIELD: machine building.

SUBSTANCE: group of inventions refers to quick-detachable connection device. The connection device is aimed at the connection of a primary drive element with an operating tool and comprises the first and the second connection units. The first connection unit comprises the first and the second support units and is attached to the primary drive element, the second connection unit comprises the first and the second units in the form of recesses aimed at the connection with the first and the second support units of the first connection unit and is attached to the operating tool. The connection units can be coupled to the first connection contact zone and the second connection contact zone located at a distance from the first connection contact zone. The device also comprises a rotary locking element attached to the first connection unit and able of rotation for smooth fixation of the first and second connection units in respect to each other.

EFFECT: improved efficiency of operating tool performance, reduced wear between connection components.

20 cl, 10 dwg

FIELD: construction.

SUBSTANCE: device comprises two parts, one of which is fixed on the machine boom, and the other one is fixed on the tool. The first part comprises a tray-shaped holder, installed as capable of insertion of the other part under the shaft, which has an expansion in the form of a hook equipped with at least one side finger for passage into holes of grooves in the first part and a locking plate sliding in the middle part of the first part for insertion under the hook under action of springs. The locking plate is equipped with a stop element, which limits the reverse travel of the specified plate so that matching of the specified holes of the grooves is prevented.

EFFECT: reliable connection.

4 cl, 5 dwg

FIELD: machine building.

SUBSTANCE: proposed connector comprises retainer for attachment of working tool to the machine. Said retainer comprises retaining element and safety element. Said retaining element can displace from free position into locked position and vice versa. Safety element can displace retaining element from free position to locked position. At least, two hydraulic joints to be jointed together to make working fluid channel between the working tool pressurised fluid main line channel and machine pressurised fluid main line channel. There is a drive to displace said retaining element from free position to locked position and to drive, at least, one of said two hydraulic joints to connection with the other hydraulic joint. Said drive is separated from the main pressurised working fluid main line. Machine comprises above described connector. In compliance with proposed method, working tool is attached to the machine so that hydraulic joints are leveled. Attachment by means of retainer including retaining element an safety element. Said safety element displaces retaining element from free position to locked position at pressure decreased by aforesaid drive and vice versa. Said drive displaces said retaining element from free position to locked position and to drive, at least, one of said two hydraulic joints to connection with the other hydraulic joint.

EFFECT: higher efficiency.

15 cl, 6 dwg

FIELD: construction.

SUBSTANCE: support unit comprises the main body, having an upper end and a lower end, a hole for a shaft of a loading mechanism, stretching via the lower end of the specified main body, and two holes arranged at the distance from each other for eccentric fingers located in the specified upper end. Besides, the support unit comprises two eccentric fingers, every of which is placed into one of the specified holes, an accessory for synchronous rotation of the specified eccentric fingers and a cast item having an upper end and a lower end. At the same time on the specified lower end of the specified cast item there are upper trimming pads installed, being arranged as resting against the upper part of the bucket handle. The support unit also comprises two holes to receive threaded tubes located at the distance from each other in direction of handle displacement, two threaded tubes, every of which is inserted into one of the specified holes for receiving the tube, an accessory for rotation of the specified tubes and an accessory for fixation of the specified tubes. Besides, on each of the specified threaded tubes there are trimming pads installed.

EFFECT: reduced labour intensiveness and time for maintenance and extended service life of support unit assemblies.

12 cl, 7 dwg

FIELD: construction.

SUBSTANCE: snap-change device for fixation and forced leading, with automatic connection of tools with force closure to bearing implements and excavators includes one part of snap-change device, for instance fixture, where aligning disks are attached on fishing pins or in comparable centre of rotation across their axis. Aligning disks, at least partially, have curved, angular or straight peripheral line, which is distanced differently from axis of fishing pins. On mating part of snap-change device, for instance tool holder, there is at least one control plate attached, which enters zone of aligning disk motion, and curved peripheral line of aligning disk moves along its surface in process of entering. Shape and location of aligning disk relative to control plate are selected with the possibility of complete force or geometrical closure of snap-change device due to rotation around fishing pins only when they have achieved the lowest point in fishing hook.

EFFECT: prevention of warp or inclined position of snap-change device, damages in process of connection.

8 cl, 7 dwg

FIELD: machine building.

SUBSTANCE: invention is related to the field of machines intended for performance of earth and loading works, namely to machines such as single-bucket hydraulic diggers. Bearer frame of loader-digger working equipment comprises longitudinal beams with elements of bearer frame fixation on tractor, cross beams that are rigidly connected to longitudinal beams, bracket installed on upper bases of longitudinal beams with lugs that have openings in bushings for installation of rotary column of excavator equipment and hydraulic cylinders of its rotation, and brackets for installation of outriggers and hydraulic reservoir. Bracket is arranged from two vertical sides installed at the angle to each other, between which lugs are installed. Base of the lower lug is located on the same vertical level with lower edges of sides and is rigidly connected to upper bases of longitudinal beams, and also by means of two ribs with side surface of cross beam. Upper and middle lug are connected with rib, which is rigidly fixed to lower plane of upper lug and its bushing, and on the other side - with upper plane of middle lug in zone of openings for hydraulic cylinders of column rotation, at that bent sheet stands are connected to external sides of longitudinal beams, and these stands are also connected to sides of bracket, creating rigid space structure.

EFFECT: simplification of design and technology of loader-digger bearer frame manufacturing technology, reduction of nomenclature of roller stock rigging used in bearer frame design.

6 dwg

FIELD: agriculture and mining industry, in particular, loading equipment for farm tractors.

SUBSTANCE: loader is designed for farm tractors furnished with standard hydraulically controlled, parallel lifting levers 1, 2 pivotally mounted on tractor rear part and equipped with central connection device 3 in tractor between two lifting levers. Loader has two parallel levers 5, 6 for connection to respective levers 1, 2 so as to extend rearward, generally in longitudinal direction of axes of lifting levers 1, 2. Central tie-rod 7, which may be hydraulically extended during operation, protrudes to the outside from central connection device 3, in parallel with lifting levers. Levers 5, 6 and outer end of central tie-rod 7 are adapted for connection to working tool or device 12.

EFFECT: increased efficiency owing to enabling fast mounting of working equipment onto tractor, and reduced production costs.

8 cl, 6 dwg

FIELD: building, particularly devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving.

SUBSTANCE: device comprises vibratory plate fastened to frame by means of suspension cables and hydraulic cylinder. Frame is secured to backhoe shovel handle and may be turned with respect to the handle through +/-20 angle. Frame may be used as spreader by means of iron sheets secured to side surfaces thereof and by means of ribs formed in frame corners usage. The frame may have rests for vibratory plate fixation in upper position.

EFFECT: simplified soil compaction in trench and other difficult-to-access areas.

5 cl, 2 dwg

Quick hitch // 2235829
The invention relates to a quick coupling for connection of the tool with the boom of a hydraulic excavator or similar, with part of the quick hitch on the side of the boom and part of the quick hitch on the side of the instrument can be connected to each other with fixing by means of a pair located at a distance from each other, the axes of the fixing and connection of the power circuit, in particular a hydraulic connection for auto-connect fitting of the power circuit on the side of the tool from the fitting of the power circuit on the side of the boom, the connection of the power circuit has a connecting part of the power circuit on the side of the boom and the connecting part of the power circuit on the side of the tool, which is located on part of the quick hitch on the side of the boom or on the part of the quick hitch on the side of the tool, so they are automatically connected with each other, as only two parts of the quick hitch together in a locked position when rotating around the first of the two axes commit

The invention relates to a safety device for high-speed towed device designed for securing the working tool at the end of the capture loader or similar machine

FIELD: transport.

SUBSTANCE: carne jib with lengthwise axis false contour line extending in crosswise plane, approximately, in mirror symmetry with mirror axis s. Contour line cross mirror axis s at first and second points S1, S2, and, in direction of second points S2 ahead of, at least, last third of distance D between said first and second points S1, S2, it converges. Contour line convergence extends to second point S2 to terminate at rounding 1 at mirror axis s.

EFFECT: application of thinner sheet metal.

14 cl, 11 dwg

FIELD: transport.

SUBSTANCE: invention relates to crane section. Crane section has lengthwise axis and hidden outline line extending in transverse section approximately in mirror symmetry about mirror axis s. Note here that outline line crosses the mirror axis first point of intersection S1 and second point S2. Outline line has straight length with hidden extension thereof in direction of second intersection point S2 crosses mirror axis s to make an acute angle therewith. Center of gravity F confined by outline line in area cross-section plane is located between said first intersection point S1 and mid point M located at mirror axis s at equal distance from first and second points S1, S2.

EFFECT: perfected crane section.

30 cl, 12 dwg

FIELD: transport.

SUBSTANCE: invention relates to crane section. Crane section comprises lengthwise axis and imaginary contour line extending in crosswise plate, approximately, in reflection symmetry about axis (s) of symmetry. Contour line has circular arc section (k1) located between axis (s) of symmetry at equal distance from first and second points (S1 and S2) of interaction by medium point M and first point S1, whereto adjoins first rectilinear section in direction of second point S2 of intersection along tangential line, its imaginary extension in direction of second point S2 intersects axis of symmetry (s) to make acute angle therewith. Second rectilinear section (g2) extending from said axis of symmetry to make angle smaller than 90 degrees therewith at first point S1 inside area enclosed by contour line and to adjoin along tangential line circular arc section (k1).

EFFECT: perfected crane section.

24 cl, 11 dwg

FIELD: mechanical engineering.

SUBSTANCE: invention relates to mechanical engineering field and is provided for maintenance and repair of bridges, sea and embankment walls on mountain highways, for delivery of people and equipment on height, during implementation of special building and repairing works. Bridge hydraulic ram contains load-lifting hydraulic telescope booms of cranes, connected to each other by joint and transfer mechanism, control assembly, connected to hydrosystem by means of pipeline. Also hydraulic ram contains undercarriage, two hydraulic telescope booms of crane are located one above the other, bottom of which is connected to support bar by joint, steering circle and hydraulic actuator. Bottom boom is connected to top boom by means of joint, steering circle and hydraulic actuator. Top boom is connected to working cradle by means of joint, steering circle and hydraulic actuator, working cradle is outfitted by additional control assembly. Undercarriage contains "П"-shaped beam, inside of which between rollers it is located rolling beam with hydraulic rams, pump-controlling aggregate is connected by pipeline to hydrosystems. Undercarriage contains rolling beams, by centre, from below there are fixed bearing rods with platforms, double-ended force hydraulic actuator is fixed on "П"-shaped beam. Case of double-ended hydraulic actuator is connected to ribs of "П"-shaped beam, on which it is located platform, on which there are located driver with control assembly, supporting steering circle, on which it is fixed support bar. On butts of support bar there are fixed hydraulic rams with support bar.

EFFECT: accuracy and rate increasing of installation works.

2 cl, 10 dwg

FIELD: engine and pumps.

SUBSTANCE: invention relates to movable, length-adjustable shafts or those incorporating movable parts, in particular, telescopic composite parts with split joints, the shafts incorporating separate drives of the said movable parts included. The said adjustable telescopic mechanism includes an inner and outer concentric casings and lengthwise screw pairs made up of a screw and nut. The said casings are additionally coupled by circular rows of rolling-contact bearings, the screw pair nut being made integral with the inner casing. The screw of the said screw pair is linked, by its one end, via a muff and an angular ball bearing with the drive, the radial thrust bearing being arranged in the outer casing, and by its other end, it is linked with an additional radial thrust bearing in the inner casing. The nut of the said screw pair is interlinked with one of the rows of the said rolling-contact bearings. The inner casing is coupled with the intermediate muff that is, further on, coupled with the additional consecutively arranged inner casing with the screw pair nut built in the latter and radial-thrust bearing coupled with the aforesaid additional screw pair. The bearings of screw pair screws are fitted in the inner casing by means of elastic supports.

EFFECT: higher stability with decreasing self-weight deflection, better compactness, resonance stability, simplicity and interchangeability of parts, higher efficiency.

5 cl, 4 dwg

FIELD: filming facilities.

SUBSTANCE: invention relates to sectional telescopic camera cranes. Proposed crane consists of boom on harp arranged in support on base. Boom is made up of central posts, braces and sections (front, middle and rear) rigidly connected by means of couplers. Each section consists of parallel links paired by means of brackets. Articulated lever mechanism with telescopic movable section of boom connected to hinge joint and its front axle for reciprocating relative to paired links of section is arranged additionally between links.

EFFECT: provision of noiseless follow shooting with enlarged range of object shooting, facilitated and convenient servicing.

2 cl, 1 dwg

FIELD: forestry machine engineering, possibly trimming of growing trees.

SUBSTANCE: machine includes boom and multi-link telescopic handle with jointly coupled truss that is jointly secured to boom. Each two-link mechanism of said truss except last one is provided with additional link. Additional links are mounted in parallel relative to second link of two-link mechanism and they are joined with first rotary link of adjacent two-link mechanism for forming pantograph. Tie rod is jointly secured to bearing section of telescopic handle; said tie rod is jointly secured to boom through link of rigid triangle. Apex opposite to said link of rigid triangle through lever is jointly secured to platform of machine. In order to vertically move working organ, hinges of supports are mounted on platform of machine at mutual shifting by angle α.

EFFECT: increased length of extension part of manipulator working organ.

2 cl, 3 dwg

The invention relates to forest engineering and can be used in forestry in the processing of growing trees

Cylinder // 2219386
The invention relates to the field of lifting and transport machinery, namely the cylinders (HZ) double-acting to move the unit, and in particular the first, extendable ladder sections telescoping booms, crane-manipulator installations

Cylinder // 2219384
The invention relates to the field of lifting and transport machinery, namely the cylinders (HZ) double-acting to move the unit, and in particular the third drawer of the multi-link telescopic boom craniomandibular units (CMU)

FIELD: forestry machine engineering, possibly trimming of growing trees.

SUBSTANCE: machine includes boom and multi-link telescopic handle with jointly coupled truss that is jointly secured to boom. Each two-link mechanism of said truss except last one is provided with additional link. Additional links are mounted in parallel relative to second link of two-link mechanism and they are joined with first rotary link of adjacent two-link mechanism for forming pantograph. Tie rod is jointly secured to bearing section of telescopic handle; said tie rod is jointly secured to boom through link of rigid triangle. Apex opposite to said link of rigid triangle through lever is jointly secured to platform of machine. In order to vertically move working organ, hinges of supports are mounted on platform of machine at mutual shifting by angle α.

EFFECT: increased length of extension part of manipulator working organ.

2 cl, 3 dwg

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