CN210313197U

CN210313197U - Hoisting device of lorry-mounted crane

Info

Publication number: CN210313197U
Application number: CN201920854037.9U
Authority: CN
Inventors: 安甫; 王成凯; 占露露; 孙超; 许津源
Original assignee: Xuzhou Hesheng Heavy Industry Co ltd
Current assignee: Jiangsu Houze Heavy Industry Co ltd
Priority date: 2019-06-07
Filing date: 2019-06-07
Publication date: 2020-04-14
Anticipated expiration: 2029-06-07

Abstract

The utility model discloses a hoisting device of lorry-mounted crane, including the davit, the surface of davit and the inner wall overlap joint of first connecting portion, the lower surface of first connecting portion and the upper surface overlap joint of second connecting portion, the upper surface equipartition of first connecting portion and second connecting portion is provided with a plurality of through-holes, the inner wall of through-hole is provided with the screw cap, the screw cap that is located the top and the screw cap that is located the issue all with screw post threaded connection, the top fixedly connected with of screw post twists the piece, the lower surface of twisting the piece and the upper surface overlap joint of first connecting portion; the upper surface of the first connecting part is fixedly connected with two supporting plates. The utility model discloses a mutually supporting between motor, pivot, joint spare, backup pad and the hydraulic stem, when having solved the vehicle and carrying lorry crane walking, the davit can be hit in rocking that the lifting hook does not stop, or other external objects are hit, very dangerous problem to lorry crane's security has been improved.

Description

Hoisting device of lorry-mounted crane

Technical Field

The utility model relates to a lorry crane receives and hangs technical field, specifically is a lorry crane's receipts hoist and mount device.

Background

The lorry-mounted crane can also be called a lorry-mounted crane, and some places are also called as a truck crane, a self-crane and the like according to habits. The lifting and transporting integrated machine is mainly used for stations, warehouses, wharfs, construction sites, field rescue and other places. Cargo compartment capable of being equipped with different lengths and cranes with different tonnages

The lifting hook on present lorry crane all pulls through wire rope, and the lifting hook also can produce when out of work and rock, and especially when the vehicle was carried the lorry crane walking, the davit can be beaten to rocking that the lifting hook can not stop, perhaps other external object, danger very to the urgent need can provide the receipts hoist and mount device of lorry starter security.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lorry crane's receipts hoist device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hoisting device of a lorry-mounted crane comprises a hoisting arm, wherein the surface of the hoisting arm is in lap joint with the inner wall of a first connecting part, the lower surface of the first connecting part is in lap joint with the upper surface of a second connecting part, a plurality of through holes are uniformly distributed on the upper surfaces of the first connecting part and the second connecting part, the inner wall of each through hole is provided with a threaded cap, the threaded cap above the threaded cap and the threaded cap below the threaded cap are in threaded connection with a threaded column, the top end of the threaded column is fixedly connected with a screwing block, and the lower surface of the screwing block is in lap joint with the upper surface of the first connecting part; the upper surface of the first connecting part is fixedly connected with two supporting plates, opposite surfaces of the two supporting plates are fixedly connected with two ends of two sliding rods respectively, the surfaces of the sliding rods are sleeved with sliding sleeves, the upper surfaces of the two sliding sleeves are fixedly connected with the lower surface of a U-shaped plate, the lower surface of the U-shaped plate is fixedly connected with a fixing plate, the left side surface of the fixing plate is fixedly connected with a hydraulic rod, the left end of the hydraulic rod is fixedly connected with the right side surface of the supporting plate positioned on the left side, bearings are clamped on the front surface and the back surface of the inner wall of the U-shaped plate, rotating shafts are sleeved on the inner surfaces of the two bearings, the rear ends of the; and a steel wire rope is arranged on the lower surface of the suspension arm, and a lifting hook is arranged at the bottom end of the steel wire rope.

As a further aspect of the present invention: the lower surface equipartition of first connecting portion is provided with a plurality of fixture blocks.

As a further aspect of the present invention: a plurality of clamping grooves are uniformly distributed on the upper surface of the second connecting portion, and the clamping blocks are matched with the clamping grooves for use.

As a further aspect of the present invention: the shape of the clamping piece is set to be U-shaped.

As a further aspect of the present invention: the left side surface and the right side surface of the motor body are respectively fixedly connected with one ends of the two fixing rods, which are opposite to each other, and the front ends of the two fixing rods are fixedly connected with the back surface of the U-shaped plate.

Compared with the prior art, the utility model discloses a mutually supporting between motor, pivot, joint spare, backup pad and the hydraulic stem makes joint spare card go into the lifting hook to pulling lifting hook removes left and is taut, makes the lifting hook no longer rock, when having solved the vehicle and carrying lorry crane walking, the lifting hook is not stopped rocks, can hit and hit the davit, or collides other external objects, very dangerous problem, thereby has improved lorry crane's security.

Drawings

Fig. 1 is a schematic view of a front section structure of a hoisting device of a lorry-mounted crane.

Fig. 2 is a schematic structural diagram of a top view of a U-shaped plate in a hoisting device of the lorry-mounted crane.

Fig. 3 is a structural schematic diagram of a hydraulic rod in a hoisting device of a lorry-mounted crane viewed from the bottom.

Fig. 4 is an enlarged view of a position a in a hoisting device of a lorry-mounted crane.

Fig. 5 is a front view of the first connecting part and the second connecting part in the hoisting and withdrawing device of the lorry-mounted crane.

Fig. 6 is a schematic structural diagram of a front view of a first connecting part in a hoisting device of a lorry-mounted crane.

In the figure: 1. a suspension arm; 2. a first connection portion; 3. a second connecting portion; 4. a support plate; 5. a slide bar; 6. a motor; 7. a U-shaped plate; 8. a rotating shaft; 9. a clamping piece; 10. a sliding sleeve; 11. a clamping block; 12. a card slot; 13. a through hole; 14. a threaded cap; 15. a threaded post; 16. twisting the block; 17. a wire rope; 18. a hook; 19. a hydraulic lever; 20. and (7) fixing the plate.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-6, a hoisting device of a lorry-mounted crane comprises a boom 1, wherein the surface of the boom 1 is lapped with the inner wall of a first connecting part 2, the lower surface of the first connecting part 2 is lapped with the upper surface of a second connecting part 3, a plurality of through holes 13 are uniformly distributed on the upper surfaces of the first connecting part 2 and the second connecting part 3, the inner wall of each through hole 13 is provided with a screw cap 14, the screw cap 14 positioned above and the screw cap 14 positioned below are both in threaded connection with a screw post 15, the top end of the screw post 15 is fixedly connected with a screwing block 16, and the lower surface of the screwing block 16 is lapped with the upper surface of the first connecting part 2; a plurality of clamping blocks 11 are uniformly distributed on the lower surface of the first connecting part 2.

A plurality of clamping grooves 12 are uniformly formed in the upper surface of the second connecting portion 3, the clamping blocks 11 are matched with the clamping grooves 12 for use, and through mutual matching among the threaded columns 15, the first connecting portion 2, the second connecting portion 3, the screwing blocks 16, the threaded caps 14, the clamping blocks 11 and the clamping grooves 12, a worker can rapidly splice or disassemble the first connecting portion 2 and the second connecting portion 3, so that the worker can conveniently and rapidly install the first connecting portion 2 and the second connecting portion 3 on the suspension arm 1 or disassemble the first connecting portion 2 and the second connecting portion 3 from the suspension arm 1; two backup pads 4 of last fixed surface of first connecting portion 2, the opposite face of two backup pads 4 respectively with two slide bar 5's both ends fixed connection, slide bar 5's surface has cup jointed sliding sleeve 10, through setting up slide bar 5 and sliding sleeve 10, it is more steady when making sliding sleeve 10 remove about slide bar 5 surface, thereby it is more steady when making U-shaped plate 7 remove about through sliding sleeve 10, the upper surface of two sliding sleeves 10 all with the lower fixed surface of U-shaped plate 7 be connected, the lower fixed surface of U-shaped plate 7 is connected with fixed plate 20, the left surface fixedly connected with hydraulic stem 19 of fixed plate 20, the left end of hydraulic stem 19 and the right flank fixed connection who is located left side backup pad 4, the front and the equal joint in the back of U-shaped plate 7 inner wall have the bearing, pivot 8 has all been cup jointed to two bearing internal surfaces, the rear end of pivot 8 and.

The left side surface and the right side surface of the body of the motor 6 are respectively fixedly connected with one end of the motor 6 opposite to the two fixing rods, the front ends of the two fixing rods are respectively fixedly connected with the back surface of the U-shaped plate 7, the clamping piece 9 is arranged on the surface of the rotating shaft 8, the rotating shaft 8 can rotate more stably in the bearing by arranging the rotating shaft 8 and the bearing, and therefore the clamping piece 9 can rotate more stably through the rotating shaft 8; the shape of the clamping piece 9 is U-shaped; the lower surface of the suspension arm 1 is provided with a steel wire rope 17, and the bottom end of the steel wire rope 17 is provided with a lifting hook 18.

The utility model discloses a theory of operation is: when hanging is received to lifting hook 18 to needs, starter motor 6, motor 6 drive pivot 8 and rotate, make pivot 8 drive joint spare 9 rotate, make joint spare 9 rotate to lifting hook 18's position and block in lifting hook 18, restart hydraulic stem 19, make hydraulic stem 19 shorten, make hydraulic stem 19 drive U-shaped board 7 and move left to make joint spare 9 move left with lifting hook 18 taut, avoid lifting hook 18 to take place to rock.

When the first connecting portion 2 and the second connecting portion 3 need to be detached from the suspension arm 1, a worker can screw the screwing block 16, the screwing block 16 can drive the threaded column 15 to rotate, the threaded column 15 can perform threaded motion with the threaded cap 14 located above and the threaded cap 14 located below, the threaded column 15 can be separated from the threaded cap 14 located below, and then the worker can detach the second connecting portion 3, so that the clamping block 11 can be separated from the clamping groove 12.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The hoisting device of the lorry-mounted crane comprises a boom (1) and is characterized in that the surface of the boom (1) is in lap joint with the inner wall of a first connecting part (2), the lower surface of the first connecting part (2) is in lap joint with the upper surface of a second connecting part (3), a plurality of through holes (13) are uniformly distributed on the upper surfaces of the first connecting part (2) and the second connecting part (3), threaded caps (14) are arranged on the inner walls of the through holes (13), the threaded caps (14) positioned above and the threaded caps (14) positioned below are in threaded connection with threaded columns (15), screwing blocks (16) are fixedly connected to the top ends of the threaded columns (15), and the lower surfaces of the screwing blocks (16) are in lap joint with the upper surfaces of the first connecting parts (2); the upper surface of the first connecting portion (2) is fixedly connected with two supporting plates (4), opposite surfaces of the two supporting plates (4) are fixedly connected with two ends of two sliding rods (5) respectively, sliding sleeves (10) are sleeved on the surfaces of the sliding rods (5), the upper surfaces of the two sliding sleeves (10) are fixedly connected with the lower surfaces of U-shaped plates (7), the lower surfaces of the U-shaped plates (7) are fixedly connected with fixing plates (20), the left side surfaces of the fixing plates (20) are fixedly connected with hydraulic rods (19), the left ends of the hydraulic rods (19) are fixedly connected with the right side surfaces of the supporting plates (4) on the left side, bearings are clamped on the front and the back surfaces of the inner walls of the U-shaped plates (7), rotating shafts (8) are sleeved on the inner surfaces of the two bearings, the rear ends of the rotating shafts (8) are fixedly connected with output shafts of motors (6), and; the lower surface of the suspension arm (1) is provided with a steel wire rope (17), and the bottom end of the steel wire rope (17) is provided with a lifting hook (18).

2. The hoisting device of the lorry-mounted crane according to claim 1, wherein a plurality of clamping blocks (11) are uniformly distributed on the lower surface of the first connecting part (2).

3. The hoisting device of the lorry-mounted crane according to claim 2, wherein a plurality of clamping grooves (12) are uniformly distributed on the upper surface of the second connecting part (3), and the clamping blocks (11) are matched with the clamping grooves (12).

4. A hoisting device of an on-board crane according to claim 1, wherein said clip (9) is shaped as a U.

5. The hoisting device of claim 1, wherein the left and right sides of the body of the motor (6) are respectively fixedly connected with the opposite ends of the two fixing rods, and the front ends of the two fixing rods are respectively fixedly connected with the back of the U-shaped plate (7).