CN222307829U - Crane box girder overturning device - Google Patents

Abstract

The utility model discloses a crane box girder turnover device which comprises a base, wherein a box body is fixedly arranged on two sides of the top of the base, a motor is fixedly arranged on the right side of the box body and close to the bottom of the box body, a rotating shaft is fixedly arranged at the output end of the motor, a gear is fixedly arranged outside the rotating shaft, a toothed ring is movably meshed with the top of the gear, a rotating ring is fixedly arranged on the inner side of the toothed ring, a supporting table is arranged inside the rotating ring, a hydraulic rod is fixedly arranged in the middle of the bottom of the inner wall of the supporting table, a frame body is fixedly arranged at the top end of the hydraulic rod, and the inner side of the frame body is rotationally connected with a roller through a bearing. According to the utility model, through the cooperation of the structures, the direct overturning of the box girder is realized, so that the overturning efficiency of the box girder can be improved, and the overturning safety of the box girder can be improved.

Description

Crane box girder overturning device

Technical Field

The utility model relates to the technical field of crane box girder processing, in particular to a crane box girder overturning device.

Background

The gantry crane can be classified into a separation frame beam, a box type beam and a honeycomb beam according to the main beam structure, wherein the box type beam is welded into a box type structure by using a steel plate, and the gantry crane has the characteristics of high safety, high rigidity and the like. The method is generally used for large-tonnage and ultra-large-tonnage portal cranes. The box girder has the advantages that the box girder is high in manufacturing cost, high in dead weight, poor in wind resistance and the like, and steel plates are required to be used for welding and processing, so that the box girder needs to be overturned in the welding process, the prior publication number CN219603033U discloses a crane box girder overturning device, the box girder is not required to be manually supported to control balance during overturning, manpower is greatly saved, the box girder is effectively prevented from sliding during overturning, meanwhile, the safety during working is improved, single operation can be carried out, the working efficiency is improved, the direct contact hoisting of a steel wire rope and a girder box is avoided, the deformation of the girder box is reduced, but the overturning device needs to utilize external hoisting equipment and the steel wire rope to hoist and overturn the crane box girder, the overturning mode is complex in operation, the overturning efficiency of the box girder is low, meanwhile, the safety of the box girder overturning is poor, certain adverse effects are brought to practical use, and improvement is needed.

Disclosure of utility model

The utility model aims to provide a crane box girder overturning device, which is provided with an overturning device for realizing direct overturning of a box girder, so that the overturning efficiency of the box girder can be improved, the overturning safety of the box girder can be improved, a certain beneficial effect is brought to actual use, and the problems in the background art are solved.

The crane box girder overturning device comprises a base, wherein box bodies are fixedly arranged on two sides of the top of the base, through holes are formed in the left side and the right side of the box bodies, a motor is fixedly arranged on the right side of the box bodies and close to the bottom of the box bodies, a rotating shaft is fixedly arranged at the output end of the motor, the other end of the rotating shaft is rotatably connected with the inner wall of the box bodies through a bearing, a gear is fixedly arranged outside the rotating shaft and inside the box bodies, a toothed ring is movably meshed with the top of the gear, a rotating ring is fixedly arranged inside the toothed ring, a supporting table is arranged inside the rotating ring, through grooves are formed in the top of the supporting table, a first hydraulic rod is fixedly arranged in the middle of the bottom of the inner wall of the supporting table, a frame body is fixedly arranged at the top end of the first hydraulic rod, and the inner side of the frame body is rotatably connected with a roller through the bearing.

Preferably, the outside of swivel becket just is close to its right side and has seted up the rotation groove, the inboard rotation in rotation groove is connected with the rotation cover and rotates the cover and pass through the inner wall fixed connection of connecting rod and box.

Preferably, the front and rear sides of the inner wall of the rotating ring are fixedly provided with second hydraulic rods, and the other ends of the second hydraulic rods are fixedly provided with L-shaped fixing plates.

Preferably, a damping shock absorber is fixedly arranged at the bottom of the supporting table, and the bottom of the damping shock absorber is fixedly connected with the bottom of the inner wall of the rotating ring.

Preferably, the front side and the rear side of the frame body are fixedly provided with sliding blocks, the front side and the rear side of the inner wall of the supporting table are fixedly provided with sliding grooves, and the sliding blocks are in sliding connection with the sliding grooves and are adapted to the sliding grooves.

Preferably, an anti-slip pad is fixedly arranged at the top of the supporting table, and the anti-slip pad is made of rubber.

Preferably, the front side and the rear side of the bottom of the inner wall of the box body are fixedly provided with electric telescopic rods, the top ends of the electric telescopic rods are fixedly provided with clamping blocks, and the clamping blocks are mutually clamped and matched with the toothed rings.

Compared with the prior art, the box girder overturning device has the beneficial effects that the motor can drive the rotating shaft to rotate, the rotating shaft can drive the gear to rotate, the gear can drive the toothed ring to rotate, the toothed ring can drive the rotating ring to rotate, the rotating ring can drive the supporting table on the inner side of the rotating ring to rotate, and the supporting table can drive the box girder on the top of the supporting table to directly overturn, so that the box girder overturning efficiency can be improved, and the box girder overturning safety can be improved. The first hydraulic rod is started to drive the frame body to move, and the frame body can drive the roller to pass through the through groove and move to the outside of the shell, so that the box girder can be conveniently moved on the supporting table, and the box girder can be conveniently fed and discharged. The electric telescopic rod is started to drive the clamping blocks to be clamped with the toothed ring, so that the toothed ring can be limited, the box girder on the inner side of the rotating ring can be limited, workers can conveniently fix the box girder at a proper welding angle, and the welding quality of the box girder is greatly improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the case of the present utility model;

FIG. 3 is a schematic view of the internal structure of the housing according to the present utility model;

fig. 4 is a schematic structural view of the toothed ring and the rotating sleeve of the present utility model.

In the figure, 1, a base; 2, a box body, 3, a motor, 4, a rotating shaft, 5, a gear, 6, a toothed ring, 7, a rotating ring, 8, a supporting table, 9, a first hydraulic rod, 10, a frame body, 11, a roller, 12, a rotating sleeve, 13, a second hydraulic rod, 14, an L-shaped fixing plate, 15, a damping shock absorber, 16, a sliding block, 18, a sliding chute, 19, an anti-skid pad, 20, an electric telescopic rod, 21 and a clamping block.

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.

Referring to fig. 1-4, the utility model provides a crane girder turnover device, which comprises a base 1, wherein a box body 2 is fixedly arranged at two sides of the top of the base 1, through holes are formed at the left side and the right side of the box body 2, a motor 3 is fixedly arranged at the right side of the box body 2 and close to the bottom of the box body, a rotating shaft 4 is fixedly arranged at the output end of the motor 3, the other end of the rotating shaft 4 is rotatably connected with the inner wall of the box body 2 through a bearing, a gear 5 is fixedly arranged at the outer part of the rotating shaft 4 and positioned in the box body 2, a toothed ring 6 is movably meshed at the top of the gear 5, a rotating ring 7 is fixedly arranged at the inner side of the toothed ring 6, a supporting table 8 is arranged in the rotating ring 7, a through groove is formed at the top of the supporting table 8, a first hydraulic rod 9 is fixedly arranged in the middle of the bottom of the inner wall of the supporting table 8, a frame 10 is fixedly arranged at the top of the first hydraulic rod 9, and a roller 11 is rotatably connected with the inner side of the frame 10 through the bearing.

Further, the outside of the rotating ring 7 and near the right side thereof are provided with rotating grooves, the inner sides of the rotating grooves are rotationally connected with rotating sleeves 12, the rotating sleeves 12 are fixedly connected with the inner wall of the box body 2 through connecting rods, and the rotating ring 7 can stably rotate through the arrangement of the rotating grooves and the rotating sleeves 12.

Further, the front side and the rear side of the inner wall of the rotating ring 7 are fixedly provided with second hydraulic rods 13, the other ends of the second hydraulic rods 13 are fixedly provided with L-shaped fixing plates 14, and the second hydraulic rods 13 can drive the L-shaped plates to clamp and fix the box girder, so that the box girder can be turned over conveniently.

Further, the bottom of supporting bench 8 fixed mounting has damping bumper shock absorber 15, and the bottom of damping bumper shock absorber 15 and the bottom fixed connection of swivel becket 7 inner wall, and damping bumper shock absorber 15 can play buffering protection's effect to the case roof beam at supporting bench 8 top.

Referring to fig. 1 to 4, the difference between the embodiment and the embodiment 1 is that the front and rear sides of the frame 10 are fixedly provided with the sliding blocks 16, the front and rear sides of the inner wall of the supporting platform 8 are fixedly provided with the sliding grooves 18, the sliding blocks 16 are slidably connected with the sliding grooves 18 and adapted, the frame 10 can stably lift under the sliding action of the sliding blocks 16 and the sliding grooves 18, the top of the supporting platform 8 is fixedly provided with the anti-slip pad 19, the anti-slip pad 19 is made of rubber, the anti-slip pad 19 can increase the friction between the supporting platform 8 and the box girder, so that the stability of the box girder during overturning can be further improved, the front and rear sides of the bottom of the inner wall of the box 2 are fixedly provided with the electric telescopic rods 20, the top ends of the electric telescopic rods 20 are fixedly provided with the clamping blocks 21, the clamping blocks 21 are mutually clamped and adapted with the toothed ring 6, and the second hydraulic rods 13 are started to drive the clamping blocks 21 and the toothed ring 6 to be mutually clamped, and therefore the toothed ring 6 can be limited.

The working principle is that when the crane box girder overturning device is used, a worker can place the box girder at the top of the supporting table 8 through the through hole, meanwhile, the worker can start the second hydraulic rod 13, the second hydraulic rod 13 can drive the L-shaped plate to clamp and fix the box girder, when the box girder needs to be overturned, the worker can start the motor 3, the motor 3 can drive the rotating shaft 4 to rotate, the rotating shaft 4 can drive the gear 5 to rotate, the gear 5 can drive the toothed ring 6 to rotate, the toothed ring 6 can drive the rotating ring 7 to rotate, the rotating ring 7 can drive the supporting table 8 on the inner side of the rotating ring to rotate, the supporting table 8 can drive the box girder on the top of the supporting table to directly overturn, so that the box girder overturning efficiency can be improved, and the safety of the box girder overturning can be improved, and when the box girder needs to be loaded and unloaded, the worker can start the first hydraulic rod 9, the first hydraulic rod 9 can drive the frame 10 to move, the frame 10 can drive the roller 11 to move to the outside of the shell through the groove, so that the box girder is convenient to move on the supporting table 8 to rotate, the toothed ring 6 can drive the rotating ring 7 to rotate, the electric box girder can be conveniently welded with the inner side of the supporting table 20, the electric box girder can be conveniently welded to the inner side of the supporting table 20, and the large-side of the electric box girder can be conveniently welded to the large-side of the supporting table is convenient to be welded, and the large-side of the box girder can be welded to the electric box girder is convenient to be welded.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A crane box girder overturning device comprises a base (1) and is characterized in that two sides of the top of the base (1) are fixedly provided with a box body (2), the left side and the right side of the box body (2) are provided with through holes, the right side of the box body (2) is fixedly provided with a motor (3) close to the bottom of the box body, the output end of the motor (3) is fixedly provided with a rotating shaft (4), the other end of the rotating shaft (4) is rotatably connected with the inner wall of the box body (2) through a bearing, the outer part of the rotating shaft (4) is fixedly provided with a gear (5) and positioned in the box body (2), the top of the gear (5) is movably meshed with a toothed ring (6), the inner side of the toothed ring (6) is fixedly provided with a rotating ring (7), the inner side of the rotating ring (7) is provided with a supporting table (8), the top of the supporting table (8) is provided with a through groove, the middle of the bottom of the inner wall of the supporting table (8) is fixedly provided with a first hydraulic rod (9), the top end of the first hydraulic rod (9) is fixedly provided with a frame body (10), and the frame body (10) is rotatably connected with a roller (11).

2. The crane box girder overturning device as claimed in claim 1, wherein a rotating groove is formed in the outer portion of the rotating ring (7) and close to the right side of the rotating ring, a rotating sleeve (12) is connected to the inner side of the rotating groove in a rotating mode, and the rotating sleeve (12) is fixedly connected with the inner wall of the box body (2) through a connecting rod.

3. The crane box girder overturning device as claimed in claim 1, wherein the front side and the rear side of the inner wall of the rotating ring (7) are fixedly provided with second hydraulic rods (13), and the other ends of the second hydraulic rods (13) are fixedly provided with L-shaped fixing plates (14).

4. The crane box girder overturning device as claimed in claim 1, wherein the damping shock absorber (15) is fixedly arranged at the bottom of the supporting table (8), and the bottom of the damping shock absorber (15) is fixedly connected with the bottom of the inner wall of the rotating ring (7).

5. The crane box girder overturning device as claimed in claim 1, wherein sliding blocks (16) are fixedly arranged on the front side and the rear side of the frame body (10), sliding grooves (18) are fixedly arranged on the front side and the rear side of the inner wall of the supporting table (8), and the sliding blocks (16) are connected with the sliding grooves (18) in a sliding mode and are matched with the sliding grooves.

6. The crane box girder overturning device as claimed in claim 1, wherein an anti-skid pad (19) is fixedly arranged at the top of the supporting table (8), and the anti-skid pad (19) is made of rubber.

7. The crane box girder overturning device as claimed in claim 1, wherein electric telescopic rods (20) are fixedly arranged on the front side and the rear side of the bottom of the inner wall of the box body (2), clamping blocks (21) are fixedly arranged at the top ends of the electric telescopic rods (20), and the clamping blocks (21) are mutually clamped with and matched with the toothed ring (6).