CN220098369U - Rotary support fixing bracket for crane - Google Patents

Abstract

The utility model discloses a rotary support fixing bracket for a crane, which relates to the technical field of crane brackets and comprises a crane and a support plate fixedly arranged at the bottom of the crane, wherein a hollow block is fixedly arranged at the bottom of the support plate, sleeves are respectively and slidably arranged on four sides of the hollow block, support pipes are respectively and slidably arranged in the sleeves, a fixed disc frame is fixedly arranged at the bottom of the support pipes, a transverse adjusting mechanism is arranged between the support pipes and the sleeves, four grooves which are symmetrically arranged in four corners are formed in the bottom of the hollow block, and separation meshing mechanisms are arranged in the grooves. According to the hollow block, the sleeve, the supporting tube, the fixed disc frame and the transverse adjusting mechanism, the fixed disc frame can extend out and contact with the ground through threaded fit between the screw rod and the supporting tube, and the crane is stably supported in the process.

Description

Rotary support fixing bracket for crane

Technical Field

The utility model relates to the technical field of crane brackets, in particular to a rotary support fixing bracket for a crane.

Background

The crane is mechanical equipment for hoisting and moving heavy objects, can be used in places such as construction sites, wharfs, factories and warehouses, and is convenient for the crane to rotate in the hoisting process because the bottom of the crane is required to be stably supported through the bracket in the use process of the crane.

Through retrieving, patent number CN208037879U discloses a hoist fixed bolster, hang the fixed bolster setting at the fixed disc of protruding tooth that is located fixed disc bottom, when the automobile body fixed bolster is fixed on earth or grit ground, can increase area of contact and frictional force, be convenient for more stable fix the automobile body on ground, solved current hoist fixed bolster, when the automobile body fixed bolster is fixed on earth or grit ground, because fixed disc bottom surface is comparatively smooth, can't provide great area of contact and frictional force, cause the unstable problem of automobile body fixed bolster during operation to appear easily.

However, the crane needs to rotate and adjust the lifting height in the lifting process of the materials, and the placement position of the fixed disc at the bottom of the fixed bracket is fixed, so that the supporting position of the disc cannot be adjusted according to the lifting position, and the fixed disc cannot be stably supported.

Disclosure of Invention

The present utility model has been made in view of the above-mentioned problems with the conventional rotary support fixing bracket for a crane.

Therefore, the utility model aims to provide a rotary support fixing bracket for a crane, which solves the problems that the placing position of a fixed disc at the bottom of the fixing bracket is fixed, the supporting position of the disc cannot be adjusted according to the lifting position, and the fixed disc cannot be stably supported.

In order to achieve the above object, the present utility model provides the following technical solutions:

the rotary support fixing bracket for the crane comprises a crane and a support plate fixedly arranged at the bottom of the crane, wherein a hollow block is fixedly arranged at the bottom of the support plate, sleeves are respectively and slidably arranged on four sides of the hollow block, a support pipe is slidably arranged in the sleeve, a fixed disc frame is fixedly arranged at the bottom of the support pipe, and the crane can be stably supported when being lifted through the unfolding of the plurality of fixed disc frames and the contact with the ground;

a transverse adjusting mechanism is arranged between the supporting tube and the sleeve;

four grooves which are symmetrically arranged in four corners are formed in the bottom of the hollow block, and a separation meshing mechanism is arranged in each groove.

Preferably, the horizontal adjustment mechanism includes the screw rod, sheathed tube inner wall is fixed to be equipped with the fixed plate, the screw rod rotates to be located the inside of fixed plate, the cooperation has been seted up to the inner wall of stay tube, and the thread bush is located the outside of screw rod, the spout has been seted up to stay tube lateral wall bottom, the slip is equipped with the slider in the spout, slider and sheathed tube inner wall fixed connection, through the screw rod and the screw thread cooperation of stay tube, can adjust the supporting position of fixed disc frame to confirm the position of disc family according to rotation angle and the rotation height in the lifting by crane, so that carry out stable support to the hoist.

Preferably, the through hole is offered at sheathed tube top, the fixed cover of pole wall of screw rod is equipped with the drive wheel, the lateral wall of drive wheel wears out the through hole and extends to outside, can rotate the drive wheel from outside for the screw rod rotates.

Preferably, a plurality of screw rods are close to one end mutually and all fixedly are equipped with first bevel gear, the fixed motor that is equipped with in bottom of hollow piece, the output of motor pierces into hollow piece and fixedly is equipped with the second bevel gear, first bevel gear and second bevel gear meshing set up, through the meshing of first bevel gear and second bevel gear, can drive a plurality of screw rods simultaneously and rotate to a plurality of fixed disc frames can carry out position control simultaneously.

Further, the separation meshing mechanism comprises a screw rod, the screw rod is rotationally arranged in the groove, a moving block is sleeved on the screw thread of the wall of the screw rod, the moving block is fixedly connected with the sleeve, the end part of the screw rod penetrates out of the groove and is fixedly provided with a crank, and the first bevel gear and the second bevel gear can be separated through the cooperation of the screw rod and the moving block, so that the position of a single fixed disc frame can be conveniently adjusted.

Preferably, mounting plates are fixedly arranged on two sides of the bottom of the hollow block.

In the technical scheme, the utility model has the technical effects and advantages that:

1. according to the utility model, through the hollow block, the sleeve, the supporting tube, the fixed disc frame and the transverse adjusting mechanism, the fixed disc frame can extend out and contact with the ground through the threaded fit between the screw rod and the supporting tube, so that the crane is stably supported in the process.

2. According to the utility model, through the hollow block, the sleeve, the screw and the separation meshing mechanism, a single fixed disc frame can be transversely moved according to the lifting position, and a plurality of fixed disc frames can be simultaneously subjected to position adjustment, so that the lifting operation is stably supported in the rotary movement.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1 in accordance with the present utility model;

fig. 3 is an enlarged schematic view of the portion B of fig. 1 according to the present utility model.

Reference numerals illustrate:

1. a crane; 2. a support plate; 3. a hollow block; 4. a sleeve; 5. a support tube; 6. a fixed disc frame; 7. a screw; 8. a fixing plate; 9. a slide block; 10. a driving wheel; 11. a first bevel gear; 12. a motor; 13. a second bevel gear; 14. a screw rod; 15. a moving block; 16. a crank; 17. and (3) mounting a plate.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The embodiment of the utility model discloses a rotary support fixing bracket for a crane.

Example 1

The utility model provides a rotary support fixing bracket for a crane, which is shown in figures 1-3, and comprises a crane 1 and a support plate 2 fixedly arranged at the bottom of the crane 1, wherein a hollow block 3 is fixedly arranged at the bottom of the support plate 2, mounting plates 17 are fixedly arranged at both sides of the bottom of the hollow block 3, sleeves 4 are respectively and slidably arranged at four sides of the hollow block 3, a support pipe 5 is slidably arranged in the sleeves 4, and a fixed disc frame 6 is fixedly arranged at the bottom of the support pipe 5;

be equipped with transverse adjustment mechanism between stay tube 5 and sleeve pipe 4, transverse adjustment mechanism includes screw rod 7, the fixed plate 8 that is equipped with of inner wall of sleeve pipe 4, screw rod 7 rotates the inside of locating fixed plate 8, the cooperation has been seted up to the inner wall of stay tube 5 to the outside of screw rod 7 is located to the thread bush, the spout has been seted up to stay tube 5 lateral wall bottom, the slip is equipped with slider 9 in the spout, slider 9 and the inner wall fixed connection of sleeve pipe 4, the through-hole has been seted up at the top of sleeve pipe 4, the fixed cover of the pole wall of screw rod 7 is equipped with drive wheel 10, the lateral wall of drive wheel 10 wears out the through-hole and extends to outside.

The accessible mounting panel 17 and hollow piece 3 set up hoist 1 on the carrier loader, when hoist 1 lifts by crane the during operation, can rotate drive wheel 10 for screw rod 7 promotes stay tube 5 under the support of fixed plate 8, thereby stay tube 5 drives fixed disc frame 6 and carries out lateral shifting, a plurality of fixed disc frames 6 expand and with ground contact, can lift by crane 1 the stable support of in-process, simultaneously because the cooperation distance between screw rod 7 and the stay tube 5 is enough, thereby can adjust the setting position of fixed disc frame 6 according to lifting by crane rotation angle and height, guarantee the stable support to hoist 1.

Example 2

Embodiment 2 in order to simultaneously adjust the positions of the plurality of fixed disc frames 6 on the basis of embodiment 1, as shown in fig. 1-2, a first bevel gear 11 is fixedly arranged at one end of each of the plurality of screw rods 7, which is close to each other, a motor 12 is fixedly arranged at the bottom of the hollow block 3, an output end of the motor 12 penetrates through the hollow block 3 and is fixedly provided with a second bevel gear 13, and the first bevel gear 11 and the second bevel gear 13 are meshed.

The second bevel gear 13 is rotated by the driving of the motor 12, and the plurality of screws 7 can be synchronously rotated by the engagement of the first bevel gear 11 and the second bevel gear 13 and drive the support pipe 5, so that the plurality of fixed disc frames 6 can be subjected to position adjustment at the same time.

Example 3

Embodiment 3 in order to adjust the position of one of the fixed disc frames 6 independently based on embodiments 1-2, as shown in fig. 1 and 3, the separation and engagement mechanism comprises a screw rod 14, the screw rod 14 is rotatably arranged in the groove, a moving block 15 is sleeved on the screw thread of the rod wall, the moving block 15 is fixedly connected with the sleeve 4, and the end part of the screw rod 14 penetrates out of the groove and is fixedly provided with a crank 16.

When the position of one of the fixed disc frames 6 needs to be adjusted, the crank 16 is rotated, the screw rod 14 is rotated, the moving block 14 can drive the sleeve 4 to transversely move through the threaded fit of the moving block 15 and the screw rod 14, the first bevel gear 11 and the second bevel gear 13 at the end part of the screw rod 7 are separated, and at the moment, the single fixed disc frame 6 can be independently adjusted.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (6)

1. The rotary support fixing bracket for the crane comprises a crane (1) and a support plate (2) fixedly arranged at the bottom of the crane (1), and is characterized in that a hollow block (3) is fixedly arranged at the bottom of the support plate (2), sleeves (4) are respectively and slidably arranged on four sides of the hollow block (3), a support tube (5) is slidably arranged in the sleeves (4), and a fixed disc frame (6) is fixedly arranged at the bottom of the support tube (5);

a transverse adjusting mechanism is arranged between the supporting tube (5) and the sleeve (4);

four grooves which are arranged in a four-corner symmetrical mode are formed in the bottom of the hollow block (3), and a separation meshing mechanism is arranged in each groove.

2. The rotary support fixing bracket for the crane according to claim 1, wherein the transverse adjusting mechanism comprises a screw rod (7), a fixing plate (8) is fixedly arranged on the inner wall of the sleeve (4), the screw rod (7) is rotationally arranged inside the fixing plate (8), the inner wall of the support tube (5) is provided with a fit and is sleeved on the outer side of the screw rod (7) in a threaded manner, the bottom of the outer side wall of the support tube (5) is provided with a sliding groove, a sliding block (9) is slidably arranged in the sliding groove, and the sliding block (9) is fixedly connected with the inner wall of the sleeve (4).

3. The rotary support fixing bracket for the crane according to claim 2, wherein a through hole is formed in the top of the sleeve (4), a driving wheel (10) is fixedly sleeved on the rod wall of the screw (7), and the side wall of the driving wheel (10) penetrates through the through hole and extends to the outside.

4. The rotary support fixing bracket for the crane according to claim 2, wherein a plurality of screw rods (7) are fixedly provided with a first bevel gear (11) at the end close to each other, a motor (12) is fixedly provided at the bottom of the hollow block (3), the output end of the motor (12) penetrates into the hollow block (3) and is fixedly provided with a second bevel gear (13), and the first bevel gear (11) and the second bevel gear (13) are meshed.

5. The rotary support fixing bracket for the crane according to claim 1, wherein the separation and engagement mechanism comprises a screw rod (14), the screw rod (14) is rotatably arranged in the groove, a moving block (15) is sleeved on the screw rod wall, the moving block (15) is fixedly connected with the sleeve (4), and the end part of the screw rod (14) penetrates out of the groove and is fixedly provided with a crank (16).

6. The rotary support fixing bracket for the crane according to claim 1, wherein mounting plates (17) are fixedly arranged on two sides of the bottom of the hollow block (3).