CN220999032U - Telescopic lorry crane base landing leg structure - Google Patents

Abstract

The utility model belongs to the technical field of cranes, in particular to a telescopic supporting leg structure of a base of a lorry-mounted crane, which comprises a connecting frame connected with the base of the lorry-mounted crane, wherein a rotatable mounting frame is sleeved at the bottom of the connecting frame, a rotatable supporting frame is movably connected at the bottom of the mounting frame, a liftable supporting column is arranged at the bottom of the supporting frame in a penetrating manner, and a supporting seat is fixedly connected at the bottom of the supporting column; the utility model can improve the stability of the crane mechanism of the lorry crane, reduce the weighing burden of the carriage, avoid the deformation and damage of the carriage, and adapt to various terrains by adjusting the device, thereby having strong practicability.

Description

Telescopic lorry crane base landing leg structure

Technical Field

The utility model belongs to the technical field of cranes, and particularly relates to a telescopic supporting leg structure of a lorry-mounted crane base.

Background

The truck-mounted crane truck can also be called a truck-mounted crane, and some places are also called an automobile crane, a self-powered crane and the like according to habits. The vehicle load is generally composed of a vehicle chassis, a cargo box, a power takeoff and a crane. Integrates hoisting and transportation, and is used in stations, warehouses, wharfs, construction sites, field rescue sites and the like. Cargo compartments of different lengths and cranes of different tonnages can be provided.

The crane of lorry crane sets up on the carriage, and crane's base is connected with the carriage, and the stability of automobile body generally relies on the supporting leg that the automobile body depends on, but crane's weight that bears all can apply on the carriage in the course of the work, and though the supporting leg of automobile body both sides can stabilize the automobile body, but the carriage still has the risk of deformation damage, in order to alleviate the burden of carriage, improves crane's stability, proposes a telescopic crane base landing leg structure now.

Disclosure of utility model

To solve the problems set forth in the background art. The utility model provides a telescopic supporting leg structure of a lorry-mounted crane base, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a telescopic lorry crane base landing leg structure, includes the link, be provided with first motor in the link, the drive end of first motor passes link fixedly connected with mounting bracket, link bottom fixed cover is equipped with spacing section of thick bamboo, the spacing groove has been seted up in the top outside of mounting bracket, be provided with two stoppers in the spacing groove, two the stopper all with spacing section of thick bamboo is connected, the top cover of mounting bracket is established in the spacing section of thick bamboo, there is the support frame in the mounting bracket through round pin axle swing joint, the top of support frame is provided with the second motor, the lifting hole has been seted up to the bottom of support frame, wear to be equipped with the support column in the lifting hole, the screw has been seted up on the top of support column, screw threaded connection has the screw rod, the drive end of second motor passes the top of support frame with screw rod fixed connection, the lifting groove has all been seted up in the left and right sides of lifting hole, two the lifting groove in all be provided with the elevating block of looks adaptation, two elevating block with the support column is connected, the support column cover is established in the top cover in the spacing section of thick bamboo, the support frame has the support frame, the bottom of support frame through round pin hub movable connection, the fixed connection has the drive end, the three fixed connection has the fixed connection of support frame, the fixed connection has the fixed connection of driven ring, the three fixed connection has the drive end, the fixed connection of support frame has the fixed connection support frame, the fixed connection support frame has the front side, the two ends of the locating rack are inserted into the two locating rings.

Preferably, the positioning frame is U-shaped.

Preferably, the top end of the positioning ring is a closed end.

Preferably, the bottom of supporting seat is provided with anti-skidding line.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model can improve the stability of the crane mechanism of the lorry crane, reduce the weighing burden of the carriage, avoid the deformation and damage of the carriage, and adapt to various terrains by adjusting the device, thereby having strong practicability.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model in elevation;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic view of the present utility model in elevation;

FIG. 4 is a schematic diagram of the structure of FIG. 3A according to the present utility model;

in the figure: 1. a connecting frame 1; 2. a first motor 2; 3. a limiting cylinder 3; 4. a mounting frame 4; 5. a support base 5; 6. a support column 6; 7. a support frame 7; 8. a driven gear 8; 9. a third motor 9; 10. a drive gear 10; 11. a frame 11; 12. a positioning ring 12; 13. a stabilizer ring 13; 14. an electric push rod 14; 15. a positioning frame 15; 16. a second motor 16; 17. a lifting hole 17; 18. a lifting block 18; 19. a lifting groove 19; 20. screw holes 20; 21. a screw 21; 22. a limit groove 22; 23. and a stopper 23.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a telescopic lorry crane base landing leg structure, includes link 1, be provided with first motor 2 in the link 1, the drive end of first motor 2 passes link 1 fixedly connected with mounting bracket 4, link 1 bottom fixed sleeve is equipped with spacing section of thick bamboo 3, spacing groove 22 has been seted up in the top outside of mounting bracket 4, be provided with two stopper 23 in the spacing groove 22, two stopper 23 all with spacing section of thick bamboo 3 is connected, the top cover of mounting bracket 4 is established in spacing section of thick bamboo 3, there is support frame 7 in mounting bracket 4 through round pin hub swing joint, the top of support frame 7 is provided with second motor 16, lifting hole 17 has been seted up to the bottom of support frame 7, wear to be equipped with support column 6 in the lifting hole 17, screw hole 20 internal thread connection has screw 21, the drive end of second motor 16 passes the top of support frame 7 with screw 21 fixed connection, lifting groove 19 has all been seted up in the left and right sides of lifting hole 17, two lifting grooves 19 are all connected with spacing section of thick bamboo 3, two driving wheel 7 and three drive end 10 are connected with the fixed connection of support frame 10, the front side of support frame 10 is connected with three drive wheel 8, the fixed connection is equipped with support frame 10, the front side of support frame 7 is connected with three drive wheel 8, the fixed connection is equipped with support frame 10, the front side of support frame 10 is connected with the fixed connection 6, and is equipped with the drive wheel 10, the driving end of the electric push rod 14 is fixedly connected with a positioning frame 15, the back of the supporting frame 7 is fixedly connected with two stabilizing rings 13, the positioning frame 15 penetrates through the two stabilizing rings 13, and two ends of the positioning frame 15 are inserted into the two positioning rings 12.

Specifically, the positioning frame 15 is U-shaped.

Specifically, the top end of the positioning ring 12 is a closed end.

Specifically, the bottom of supporting seat 5 is provided with anti-skidding line.

The working principle and the using flow of the utility model are as follows: this device is connected with lorry-mounted crane's base, be L shape under this device packing up the state, mounting bracket 4, support frame 7 is in same horizontal plane, first motor 2 is opened through lorry-mounted crane's control switch at first during the use, first motor 2 drives mounting bracket 4 and rotates, mounting bracket 4 drives support frame 7 and rotates, support column 6 drives support column 5 and rotates, after the rotation angle is suitable, close first motor 2, open electric putter 14, electric putter 14 drives locating rack 15 and breaks away from in locating sleeve 12, close electric putter, rethread lorry-mounted crane's control switch opens third motor 9, third motor 9 drives driving gear 10 and rotates, driving gear 10 drives support frame 7 through driven gear 8 and rotates, the support frame 7 rotates certain angle after, the bottom of support column 5 is in parallel state with the ground, at this moment through lorry-mounted crane's control switch Guan Kaiqi second motor 16, second motor 16 drives screw rod 21 and rotates, under the screw action, support column 6 can be movable about in lifting groove 19 in step-up and down, the support column 18 moves about in step-down movement in lifting groove 19, when the support column 6 is movable about, can reduce the cost of the carriage can be reduced and the device can be realized to the carriage is damaged when the carriage is difficult to the carriage, the device is closed, the cost of the carriage can be reduced, the carriage can be realized to the carriage is damaged when the carriage is can be by the carriage is easy, and the device is damaged.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The utility model provides a telescopic lorry-mounted crane base landing leg structure, includes link (1), its characterized in that: the utility model discloses a lifting device, including connecting frame (1), support frame (7) are installed in the drive end of connecting frame (1), connecting frame (1) fixedly connected with mounting bracket (4), limit groove (22) have been seted up in the top outside of mounting bracket (1), be provided with two stopper (23) in limit groove (22), two stopper (23) all with limit groove (3) are connected, the top cover of mounting bracket (4) is established in limit groove (3), through round pin hub connection support frame (7) in mounting bracket (4), the top of support frame (7) is provided with second motor (16), lifting hole (17) have been seted up to the bottom of support frame (7), wear to be equipped with support column (6) in lifting hole (17), screw (20) have been seted up on the top of support column (6), screw (20) female screw (21), the drive end of second motor (16) all with limit groove (3) are connected, the top cover of support frame (4) is established through round pin hub connection support frame (7) has lifting hole (17) both sides lifting hole (19) all have lifting groove (19), two lifting blocks (18) with support column (6) are connected, the bottom fixedly connected with supporting seat (5) of support column (6), the positive fixedly connected with frame (11) of mounting bracket (4), fixedly connected with third motor (9) in frame (11), the positive fixedly connected with driven gear (8) of support frame (7), the drive end fixedly connected with driving gear (10) of third motor (9), driving gear (10) with driven gear (8) meshing is connected, the back fixedly connected with two holding rings (12) of mounting bracket (4), the back fixedly connected with electric putter (14) of support frame (7), the drive end fixedly connected with locating rack (15) of electric putter (14), the back fixedly connected with two stabilizing rings (13) of support frame (7), locating rack (15) pass two stabilizing rings (13), peg graft in two in locating ring (12) at the both ends of locating rack (15).

2. A telescopic lorry-mounted crane base support leg structure according to claim 1, characterized in that: the positioning frame (15) is U-shaped.

3. A telescopic lorry-mounted crane base support leg structure according to claim 1, characterized in that: the top end of the positioning ring (12) is a closed end.

4. A telescopic lorry-mounted crane base support leg structure according to claim 1, characterized in that: the bottom of the supporting seat (5) is provided with anti-skid lines.