CN221027238U - Road bridge portal crane fixing device - Google Patents

Abstract

The application discloses a road bridge gantry crane fixing device, and belongs to the technical field of crane fixing. A road bridge gantry crane fixing device comprises a mounting frame; the fixing mechanism comprises a sliding groove which is formed in the installation frame, a sliding block is connected and connected in the sliding groove, a fixing block is fixedly connected to one end of the sliding block, a toothed plate is fixedly connected to the other end of the sliding block, a sector gear is connected to the outer side of the toothed plate in a meshed mode, a motor is fixedly connected to the middle of the sector gear, and the motor is fixedly installed in the installation frame and is in sliding connection with the installation frame. According to the application, through the design of the spring matched with the sector gear, when the fixation of the road bridge door machine is required to be released, the sector gear rotates again to be disengaged with the toothed plate, so that the spring can drive the fixed block to quickly shrink, the fixation of the road bridge door machine can be quickly released, the use is convenient, and the working efficiency is increased.

Description

Road bridge portal crane fixing device

Technical Field

The application relates to the technical field of crane fixing, in particular to a road bridge gantry crane fixing device.

Background

Gantry cranes are a variant of bridge cranes, also called gantry cranes. The portal crane is mainly used for loading and unloading operations of outdoor goods yards, stock yards and bulk cargos, has a metal structure like a portal frame, is provided with two supporting legs below a bearing main beam, can directly walk on a track on the ground, can be provided with overhanging cantilever beams at two ends of the main beam, and has the characteristics of high field utilization rate, large operation range, wide application range, strong universality and the like, and is widely used in port goods yards.

The patent literature with the publication number CN219567328U in the prior art provides a road bridge gantry crane fixing device, the device is through the setting of second spring telescopic link and notch, make this road bridge gantry crane fixing device possess picture peg and slot and be convenient for the fixed effect of chucking, through the cooperation setting of second spring telescopic link, a spring, chucking post and notch, reduce picture peg and slot dislocation in the in-process that uses and lead to unable emergence probability of inserting fixed phenomenon, lock fixedly after, no longer need because unable card is gone into and is adjusted the operation, the purpose that picture peg and slot are convenient for the chucking has been reached.

In the prior art scheme, although the insert plate and the slot can be conveniently clamped by matching the second spring telescopic rod, the spring, the clamping column and the notch, the following defects still exist; the installation and fixation method of the bridge portal crane of the device can lead to a certain risk in some bridge portal cranes used in ports, and the fixation of the bridge portal crane after the movement is only carried out by braking,

In view of this, we propose a road bridge gantry crane fixing device.

Disclosure of utility model

1. Technical problem to be solved

The application aims to provide a road bridge gantry crane fixing device, which solves the problem that potential safety hazards exist in the prior art after the movable road bridge gantry crane is moved, and achieves a good fixing effect on the movable road bridge gantry crane.

2. Technical proposal

The road and bridge gantry crane fixing device comprises a mounting frame, wherein the mounting frame is fixedly arranged at the lower part of a road and bridge gantry crane;

The fixing mechanism is fixedly arranged in the installation frame and comprises a sliding groove formed in the installation frame, a sliding block is slidably connected in the sliding groove, one end of the sliding block is fixedly connected with a fixing block, the other end of the sliding block is fixedly connected with a toothed plate, a sector gear is externally meshed and connected with the toothed plate, a motor is fixedly connected to the middle of the sector gear, and the motor is fixedly arranged in the installation frame and is slidably connected with the installation frame.

Through adopting above-mentioned technical scheme, fixed establishment's design can rotate through motor control sector gear to drive the pinion rack downwardly moving, so drive the pinion rack just can drive fixed block downwardly moving and ground butt through the slider, so just can provide fixedly through the frictional force of fixed block and ground, so the design is comparatively firm not only to the fixed of road bridge door machine, and it is comparatively convenient to fix.

Preferably, the fixing mechanism further comprises a spring fixedly connected with the bottom surface of the sliding block, a limit column is slidably matched in the spring, the limit column is slidably connected with the sliding block, the limit column is fixedly connected with the sliding groove, and the other end of the spring is fixedly connected with the sliding groove.

Through adopting above-mentioned technical scheme, the design of spring cooperation sector gear can be when the needs are released the fixed to road bridge door machine, rotates once more through sector gear, just can release the meshing with the pinion rack, and so the spring just can drive the fixed block and shrink fast, so can realize the quick dismantlement fixed to the road bridge door machine, facilitate the use, increased work efficiency.

Preferably, the toothed plate end connection is fixed with the cooperation pole, cooperation pole outside sliding fit has the driving lever, the cooperation pole is L type structure, the driving lever is connected and is fixed in sector gear edge.

By adopting the technical scheme, the sector gear can be accurately meshed with the toothed plate through the design of the matching rod and the deflector rod.

Preferably, the fixed block is connected with a rotating plate in a rotating way, and the bottom surface of the rotating plate is made of rubber.

Through adopting above-mentioned technical scheme, the fixed block bottom surface rotates the pivoted board of design, can be in scene such as road surface slope use, can reach the biggest area of contact with ground through the rotation of pivoted board, so can make the device keep the biggest frictional force in most scenes, fixed effect is better, and pivoted board bottom surface is the rubber material, and not only frictional force is big, because it has elasticity moreover, so can satisfy sector gear and pinion rack and rotate to the meshing of releasing.

Preferably, the bottom surface of the rotating plate is fixedly connected with a plurality of positioning blocks, and the positioning blocks are of arc structures.

By adopting the technical scheme, the friction force on the rugged ground is increased by the fixed block.

3. Advantageous effects

Compared with the prior art, the application has the advantages that:

1. According to the application, through the design of the fixing mechanism, the fixing can be provided through the friction force between the fixing block and the ground, so that the fixing of the road bridge door machine is stable and convenient, the spring is matched with the design of the sector gear, and the spring can be disengaged from the toothed plate through the secondary rotation of the sector gear when the fixing of the road bridge door machine is required to be released, so that the spring can drive the fixing block to quickly shrink, the fixing of the road bridge door machine can be quickly released, the use is convenient, and the working efficiency is increased.

2. The rotating plate which is designed by rotating the bottom surface of the fixed block can reach the maximum contact area with the ground through the rotation of the rotating plate in the use of scenes such as road surface inclination, so that the device can keep the maximum friction force in most scenes, the fixing effect is good, the bottom surface of the rotating plate is made of rubber, the friction force is large, and the rotating plate has elasticity, so that the sector gear and the toothed plate can rotate to be disengaged.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a gantry crane fixing device for a road bridge according to an embodiment of the present application;

FIG. 2 is a schematic sectional view of a bridge gantry crane fixture mounting frame according to an embodiment of the present application;

FIG. 3 is a schematic view of a structure of a cooperating lever of a gantry crane fixing device for a road bridge according to an embodiment of the present application;

FIG. 4 is a schematic view of a rotating plate structure of a gantry crane fixing device for a road bridge according to an embodiment of the present application;

the reference numerals in the figures illustrate: 1. a mounting frame; 2. a fixing mechanism; 3. a chute; 4. a fixed block; 5. a toothed plate; 6. a sector gear; 7. a motor; 8. a spring; 9. a limit column; 10. a slide block; 11. a mating lever; 12. a deflector rod; 13. a rotating plate; 14. and (5) positioning blocks.

Detailed Description

The application is described in further detail below with reference to the drawings.

Referring to fig. 1 and 2, an embodiment of the application discloses a fixing device of a gantry crane of a road bridge. The installation frame 1 is fixedly arranged at the lower part of the road bridge gantry crane;

The fixed establishment 2, fixed establishment 2 installation is fixed in the installing frame 1, and fixed establishment 2 is including setting up the inside spout 3 of installing frame 1, and the inside sliding connection of spout 3 has slider 10, and slider 10 one end is connected and is fixed with fixed block 4, and the slider 10 other end is connected and is fixed with pinion rack 5, and pinion rack 5 outside meshing is connected with sector gear 6, and sector gear 6 middle part is connected and is fixed with motor 7, and motor 7 installs and is fixed in installing frame 1, fixed block 4 and installing frame 1 sliding connection.

The design of fixed establishment 2 can be through the rotation of motor 7 control sector gear 6 to drive pinion rack 5 downwardly moving, so drive pinion rack 5 just can drive fixed block 4 downwardly moving and ground butt through slider 10, so just can provide fixedly through the frictional force of fixed block 4 and ground, so the design is comparatively firm not only to the fixed of road bridge door machine, and it is comparatively convenient to fix.

Referring to fig. 2, the fixing mechanism 2 further includes a spring 8 fixedly connected to the bottom surface of the sliding block 10, a limit post 9 is slidably fitted inside the spring 8, the limit post 9 is slidably connected to the sliding block 10, the limit post 9 is fixedly connected to the sliding slot 3, and the other end of the spring 8 is fixedly connected to the sliding slot 3.

The spring 8 cooperates the design of sector gear 6, can be when the needs are released the fixed to the road bridge door machine, through the rotation once more of sector gear 6, just can release the meshing with pinion rack 5, so spring 8 just can drive fixed block 4 and shrink fast, so can realize the quick dismantlement to the fixed of road bridge door machine, facilitate the use, increased work efficiency.

Referring to fig. 3, the end of the toothed plate 5 is fixedly connected with a matching rod 11, a deflector rod 12 is slidingly matched outside the matching rod 11, the matching rod 11 is in an L-shaped structure, and the deflector rod 12 is fixedly connected with the edge of the sector gear 6.

The design of the matching rod 11 and the deflector rod 12 can ensure that the sector gear 6 is accurately meshed with the toothed plate 5.

Referring to fig. 4, a rotating plate 13 is rotatably connected to the lower side of the fixed block 4, and the bottom surface of the rotating plate 13 is made of rubber.

The rotation plate 13 of fixed block 4 bottom surface rotation design can be in scene such as road surface slope use, can reach the biggest area of contact with ground through the rotation of rotation plate 13, so can make the device keep the biggest frictional force in most scenes, and fixed effect is better, and rotation plate 13 bottom surface is the rubber material, and not only frictional force is big, because it has elasticity moreover, so can satisfy sector gear 6 and pinion rack 5 and rotate to the meshing of releasing.

Referring to fig. 4, a plurality of positioning blocks 14 are fixedly connected to the bottom surface of the rotating plate 13, and the positioning blocks 14 have an arc-shaped structure.

The positioning block 14 increases friction on the uneven ground.

The implementation principle of the fixing device of the road-bridge gantry crane provided by the embodiment of the application is as follows: the sector gear 6 is controlled to rotate through the motor 7, thereby the toothed plate 5 is driven to move downwards, when the toothed plate 5 is driven to move downwards through the fixed block 4 driven by the sliding block 10, the maximum contact area with the ground can be achieved through the rotation of the rotating plate 13, the fixing can be provided through the friction force between the fixed block 4 and the ground, when the fixing of the road bridge door machine needs to be released, the toothed plate 5 can be released through the secondary rotation of the sector gear 6, the fixed block 4 can be driven to retract rapidly through the spring 8, and the fixing of the road bridge door machine can be rapidly released.

Claims (5)

1. The utility model provides a road bridge portal crane fixing device which characterized in that: comprising

The installation frame (1) is installed and fixed at the lower part of the road bridge gantry crane;

Fixed establishment (2), fixed establishment (2) installation is fixed in installing frame (1), just fixed establishment (2) are including seting up in inside spout (3) of installing frame (1), inside sliding connection of spout (3) has slider (10), slider (10) one end is connected with fixed block (4), slider (10) other end is connected with fixed pinion rack (5), pinion rack (5) outside meshing is connected with sector gear (6), sector gear (6) mid-connection is fixed with motor (7), in motor (7) installation is fixed in installing frame (1), fixed block (4) and installing frame (1) sliding connection.

2. The bridge gantry crane fixing apparatus according to claim 1, wherein: the fixing mechanism (2) further comprises a spring (8) fixedly connected with the bottom surface of the sliding block (10), a limit column (9) is slidably matched inside the spring (8), the limit column (9) is slidably connected with the sliding block (10), the limit column (9) is fixedly connected with the sliding groove (3), and the other end of the spring (8) is fixedly connected with the sliding groove (3).

3. The bridge gantry crane fixing apparatus according to claim 2, wherein: the gear plate (5) end connection is fixed with cooperation pole (11), cooperation pole (11) outside sliding fit has driving lever (12), cooperation pole (11) are L type structure, driving lever (12) are connected and are fixed in sector gear (6) edge.

4. A bridge gantry crane fixing apparatus according to claim 3, wherein: the lower part of the fixed block (4) is rotationally connected with a rotating plate (13), and the bottom surface of the rotating plate (13) is made of rubber.

5. The bridge gantry crane fixing apparatus according to claim 4, wherein: the bottom surface of the rotating plate (13) is fixedly connected with a plurality of positioning blocks (14), and the positioning blocks (14) are of arc structures.