CN219950285U - Portal crane anticollision device - Google Patents

Abstract

The utility model discloses an anti-collision device of a portal crane, which comprises a stand column, wherein a buffer is fixedly arranged in the stand column, a buffer column is slidably arranged in the buffer column, a first hook is fixedly arranged at one end of the buffer column, a spring supporting block is fixedly arranged in the buffer column, a limit column is slidably arranged in the spring supporting block, one end of the limit column is fixedly connected with the buffer column, a limiter is fixedly arranged on the buffer column and near the edge of one side, a buffer box is arranged at one side of the stand column, and a dovetail chute is formed in one side of the buffer box. The compression buffer column can be pushed by the gantry crane, the buffer device inside the buffer can work, the buffer is used for buffering the gantry crane, the buffer column is compressed to drive the limiting column to move, the limiting column can be limited by the limiting device inside the limiter to move, energy released by the buffer spring is limited, and the problem that the buffer spring is reset to push the gantry crane to move reversely is avoided.

Description

Portal crane anticollision device

Technical Field

The utility model relates to an anti-collision device, in particular to a gantry crane anti-collision device.

Background

Because the gantry crane is generally operated in the open air, during non-working period, particularly when encountering severe weather such as strong wind, heavy rain and the like, the gantry crane easily slides on the track, safety accidents easily occur, personnel and property safety are damaged, and an anti-collision device is needed to prevent the gantry crane from collision.

The anti-collision device of the gantry crane disclosed in China patent publication No. CN216889766U comprises a gantry and a track, wherein the gantry is arranged on the track and can move along the extending direction of the track relative to the track, and further comprises first protection components, two groups of first protection components are respectively arranged on two sides of the gantry along the extending direction of the track, and each first protection component is arranged on the gantry; the first protection component comprises a base, a buffer part and a first elastic piece, wherein the base is arranged on the gantry and is arranged at intervals with the track, two ends of the base along the extending direction of the track are respectively provided with a chute, one end of the buffer part is inserted into each chute, the other end of the buffer part extends along the extending direction of the track towards the direction far away from the base, the buffer part can move relative to the base along the extending direction of the track, and the first elastic piece is arranged between the base and the end part of the buffer part inserted into each chute; through setting up first protective component in the longmen both sides, when the longmen crane slides on the track back and forth, can avoid the longmen crane to collide with the obstacle that sets up in the longmen both sides.

The prior anti-collision device for the gantry crane finds some problems when in use, firstly, the spring buffer part is arranged in the chute, the spring can effectively relieve the problem of collision, but the spring can release pressure after being compressed, the gantry crane is continuously pushed to reversely move, and if the collision force is large, the gantry crane can easily generate the problem of continuous collision that the force is gradually reduced under the action of external force factors and spring reset elasticity.

Disclosure of Invention

The utility model aims to provide an anti-collision device for a gantry crane, which aims to solve 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 portal crane anticollision device, includes the stand, fixed mounting has the buffer in the stand, sliding mounting has the buffer post in the buffer, buffer post one end fixed mounting has first couple, fixed mounting has the spring supporting shoe in the buffer, sliding mounting has spacing post in the spring supporting shoe, spacing post one end and buffer post fixed connection, just be close to one side edge fixed mounting above the buffer has the stopper, stand one side is provided with the buffer box, the forked tail spout has been seted up to buffer box one side, sliding mounting has the forked tail slider in the forked tail spout, forked tail slider one side fixed mounting has the second couple, the second couple mutually support with first couple.

Preferably, the limiting column is sleeved with a buffer spring.

Preferably, a limiting groove is formed in the limiter, and a limiting bolt is slidably mounted in the limiting groove.

Preferably, the limiting post is provided with a fixing hole, and the limiting bolt is matched with the fixing hole.

Preferably, the limiting bolt is fixedly provided with a spring pad, the limiting bolt is sleeved with a return spring above the spring pad, and the upper end of the limiting bolt is fixedly provided with a pulling cap.

Preferably, an extrusion spring is fixedly arranged in the dovetail chute, and the other end of the extrusion spring is fixedly connected with the dovetail sliding block.

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

1. the portal crane moves and can drive fixed surface to install the buffer box and remove, the buffer box can drive the second couple and remove, and when the second couple can contact with first couple, because the second couple possess certain inclination with first couple contact surface to can extrude the second couple backward slip, make the second couple can stagger, then extrusion spring promotes the second couple and resets rapidly, makes second couple and first couple joint be in the same place, avoids the preliminary back reverse removal of collision of portal crane, leads to the problem of continuous collision.

2. The gantry crane can push the compression buffer column, the buffer device inside the buffer can work, the buffer column can drive the limiting column to move after being compressed to play a buffering purpose on the gantry crane, the limiting column can be limited to move by the limiting device inside the limiter, accordingly energy release of the buffer spring is limited, and the problem that the buffer spring is reset to push the gantry crane to move reversely is avoided.

Drawings

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

FIG. 2 is a schematic view of the whole structure of the limiting gantry crane of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

FIG. 4 is a partial cross-sectional view of the present utility model;

fig. 5 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a column; 101. a buffer; 102. a buffer column; 103. a first hook; 3. a spring support block; 301. a limit column; 302. a buffer spring; 303. a fixing hole; 4. a limiter; 401. a limit groove; 402. a limit bolt; 403. a spring pad; 404. a return spring; 405. pulling the cap; 5. a buffer box; 501. dovetail grooves; 502. extruding a spring; 503. dovetail slide blocks; 504. and a second hook.

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. 1-5, the present utility model provides a technical solution: the utility model provides a portal crane anticollision device, including stand 1, fixed mounting has buffer 101 in the stand 1, sliding mounting has buffer post 102 in the buffer 101, buffer post 102 one end fixed mounting has first couple 103, fixed mounting has spring supporting shoe 3 in the buffer 101, sliding mounting has spacing post 301 in the spring supporting shoe 3, spacing post 301 one end and buffer post 102 fixed connection, and just be close to one side edge fixed mounting has stopper 4 above the buffer 101, stand 1 one side is provided with buffer box 5, dovetail spout 501 has been seted up to buffer box 5 one side, sliding mounting has dovetail slider 503 in dovetail spout 501, dovetail slider 503 one side fixed mounting has second couple 504, second couple 504 and first couple 103 mutually support.

In this embodiment, through fixing buffer box 5 on the gantry crane through the bolt, when the gantry crane is not controlled to slide to the track end, second couple 504 can be contacted with first couple 103, because second couple 504 possess certain inclination with first couple 103 contact surface, thereby can extrude second couple 504 and slide backward, make second couple 504 can stagger, then the internal device of dovetail spout 501 can promote second couple 504 and reset rapidly, make second couple 504 and first couple 103 joint together, the gantry crane can promote compression buffer post 102 this moment, the inside buffer device of buffer 101 can work, play the purpose of buffering to the gantry crane, buffer post 102 is compressed and can drive spacing post 301 and remove, the inside restraining device of stopper 4 can restrict spacing post 301 and remove, thereby limit buffer spring 302 release energy, because first couple 103 and second couple 504 joint together, thereby the gantry crane can link together with buffer post 102, effectively avoid the problem that the gantry crane is reverse to move and takes place to continue the striking.

In order to achieve the purpose of avoiding reversely pushing the gantry crane, the device is realized by adopting the following technical scheme: the buffer spring 302 is sleeved on the limiting column 301, the limiting groove 401 is formed in the limiter 4, the limiting bolt 402 is slidably mounted in the limiting groove 401, the fixing hole 303 is formed in the limiting column 301, and the limiting bolt 402 is matched with the fixing hole 303.

Through can compress after entering buffer 101 inside at buffer post 102, can compress buffer spring 302 and provide the buffering, drive spacing post 301 simultaneously and remove, after spacing post 301 upper fixed orifices 303 moved to spacing bolt 402 below, spacing bolt 402 can get into the inside spacing post 301 of restriction of fixed orifices 303 and reset to avoid buffer spring 302 to reset the problem of reverse promotion gantry crane after being compressed.

In order to achieve the purpose of limiting the movement of the limiting column 301, the device is achieved by adopting the following technical scheme: a spring pad 403 is fixedly installed on the limiting bolt 402, a return spring 404 is sleeved on the limiting bolt 402 and above the spring pad 403, a pulling cap 405 is fixedly installed at the upper end of the limiting bolt 402, an extrusion spring 502 is fixedly installed in the dovetail chute 501, and the other end of the extrusion spring 502 is fixedly connected with a dovetail sliding block 503.

Can provide certain thrust for spring pad 403 through return spring 404, spring pad 403 receives the thrust and can drive spacing bolt 402 and move down to can insert its inside when fixed orifices 303 remove to spacing bolt 402 below, limit spacing post 301 continues to remove, draw cap 405 can drive spacing bolt 402 and shift out inside the fixed orifices 303, extrusion spring 502 can provide certain thrust for dovetail slider 503, thereby dovetail slider 503 receives the thrust and can drive second couple 504 and reset.

The working principle and the using flow of the utility model are as follows: when the device is used, the device is required to be placed at a proper position, the buffer box 5 is fixed on the gantry crane through a bolt, the upright column 1 is fixed at the tail end of the guide rail, the second hook 504 and the first hook 103 are required to be ensured to be positioned at the same horizontal plane, when the gantry crane is not controlled to slide to the tail end of the guide rail, the second hook 504 can be contacted with the first hook 103, the contact surface of the second hook 504 and the first hook 103 has a certain inclination, so that the second hook 504 can be extruded to slide backwards, the second hook 504 can be staggered, then the extrusion spring 502 pushes the second hook 504 to reset rapidly, the second hook 504 and the first hook 103 are clamped together, at the moment, the gantry crane can compress the buffer column 102, the buffer column 102 can drive the limit column 301 to move and compress the buffer spring 302, the buffer spring 302 is compressed to provide a certain buffer, and when the fixing hole 303 on the limit column 301 moves to the lower part of the limit bolt 402, the limit bolt 402 can be inserted into the fixing hole 303 so as to limit the movement of the limit column 301, so that the buffer column 102 is limited, and the first hook 504 and the first hook 103 are clamped together can be prevented from being collided with the gantry crane.

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 (6)

1. The utility model provides a portal crane anticollision device, includes stand (1), its characterized in that: the novel anti-collision device is characterized in that a buffer (101) is fixedly installed in the upright (1), a buffer column (102) is slidably installed in the buffer (101), a first hook (103) is fixedly installed at one end of the buffer column (102), a spring supporting block (3) is fixedly installed in the buffer (101), a limit column (301) is slidably installed in the spring supporting block (3), one end of the limit column (301) is fixedly connected with the buffer column (102), a limiter (4) is fixedly installed on the buffer column (101) and close to one side edge, a buffer box (5) is arranged on one side of the upright (1), a dovetail chute (501) is formed in one side of the buffer box (5), a dovetail slider (503) is slidably installed in the dovetail chute (501), a second hook (504) is fixedly installed on one side of the dovetail slider, and the second hook (504) is mutually matched with the first hook (103).

2. The gantry crane collision avoidance device of claim 1 wherein: and a buffer spring (302) is sleeved on the limiting column (301).

3. The gantry crane collision avoidance device of claim 1 wherein: a limiting groove (401) is formed in the limiter (4), and a limiting bolt (402) is slidably mounted in the limiting groove (401).

4. A gantry crane collision avoidance device as claimed in claim 3, wherein: and the limiting column (301) is provided with a fixing hole (303), and the limiting bolt (402) is matched with the fixing hole (303).

5. The gantry crane collision avoidance device of claim 4 wherein: the spring cushion (403) is fixedly mounted on the limiting bolt (402), a return spring (404) is sleeved on the limiting bolt (402) and located above the spring cushion (403), and a pulling cap (405) is fixedly mounted at the upper end of the limiting bolt (402).

6. The gantry crane collision avoidance device of claim 1 wherein: an extrusion spring (502) is fixedly installed in the dovetail chute (501), and the other end of the extrusion spring (502) is fixedly connected with the dovetail sliding block (503).