CN212050231U - Anti-collision protection device of crane - Google Patents

Abstract

The utility model belongs to the hoist field, especially, collision avoidance device of hoist, including hoist end beam, the equal fixed mounting in both sides of hoist end beam has the cushion socket, the cavity has been seted up on the cushion socket, slidable mounting has the sliding plate in the cavity, fixed mounting has the horizontal pole that two symmetries set up on the both sides inner wall of cavity, and sliding plate slidable mounting is on the horizontal pole, movable sleeve is equipped with compression spring on the horizontal pole, compression spring's one end fixed mounting is on the sliding plate, compression spring's other end fixed mounting is on the inner wall of cavity, one side fixed mounting of sliding plate has the one end of dead lever, the other end of dead lever extends to the outside of cushion socket, and the other end fixed mounting of two dead. The utility model relates to a rationally, elastic deformation through first buffer spring and second buffer spring can carry out the buffering protection to hoist end beam, can in time close the hoist through limit switch.

Description

Anti-collision protection device of crane

Technical Field

The utility model relates to a hoist technical field especially relates to an anticollision protection device of hoist.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. Also known as overhead traveling crane, boat hangs, the crane, hoist anticollision is one of the indispensable safety protection measure on the hoisting machinery, through the retrieval, the patent document of granting bulletin number CN208071144U discloses a touching formula anticollision protection device for on the crane, including locating the installation base on the crane cart running gear, still including locating collision mechanism on the installation base, collision mechanism is including hitting the piece, locating hit the elastic guide device between piece and the installation base, be equipped with on the elastic guide device with hit the touch panel of piece synchronous motion, be equipped with the limit switch who is used for breaking off the hoist running signal on the crane cart running gear, hit the piece and trigger limit switch through the touch panel when making a round trip movement by elastic guide device in order to control the crane stop operation. The utility model discloses a can realize safe crashproof function after meeting the barrier at the hoist operation in-process, avoid the unnecessary occurence of failure, this kind of touching formula collision avoidance device simple structure has played fine guard action to personnel's safety.

But above-mentioned design still has the shortcoming, can protect hoist end beam in the above-mentioned design, and after the collision takes place, warning nature is poor, can not be timely close the hoist to there is certain potential safety hazard, therefore we have proposed the anticollision protection device of a hoist and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that after the collision happens in the prior art, the warning performance is poor, the crane can not be closed in time, thereby having the defect of certain potential safety hazard and providing an anti-collision protection device for the crane.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an anti-collision protection device of a crane comprises a crane end beam, wherein buffer seats are fixedly arranged on two sides of the crane end beam, a cavity is formed in each buffer seat, a sliding plate is slidably arranged in the cavity, two symmetrically-arranged cross rods are fixedly arranged on inner walls of two sides of the cavity, the sliding plates are slidably arranged on the cross rods, compression springs are movably sleeved on the cross rods, one ends of the compression springs are fixedly arranged on the sliding plates, the other ends of the compression springs are fixedly arranged on the inner walls of the cavity, one ends of fixed rods are fixedly arranged on one sides of the sliding plates, the other ends of the fixed rods extend to the outer side of the buffer seats, the other ends of the two fixed rods are fixedly provided with a same vertical plate, one sides of the crane end beam are fixedly provided with limit switches, movable plates are slidably sleeved on the two fixed rods and are matched, connecting spring's other end fixed mounting is on the riser, and the first groove that two symmetries set up is seted up to one side of riser, and slidable mounting has the sliding seat in the first groove, and the equal fixed mounting in one side of keeping away from each other of two sliding seats has first buffer spring's one end, and first buffer spring's other end fixed mounting is on the inner wall of first groove, and one side of sliding seat articulates the one end that has the connecting rod, and the other end of two connecting rods articulates there is same buffer board.

Preferably, the fixed rod is fixedly sleeved with a limiting plate, and the limiting plate is matched with the moving plate.

Preferably, the inner walls of the two sides of the cavity are provided with limit grooves, the two sides of the sliding plate are fixedly provided with limit seats, and the limit seats are connected with the corresponding limit grooves in a sliding manner.

Preferably, the sliding plate is provided with two symmetrically arranged moving holes, and the cross rod penetrates through the corresponding moving holes.

Preferably, all seted up the sliding tray on the both sides inner wall of first groove, the equal fixed mounting in both sides of sliding seat has the sliding block, and sliding block and the sliding tray sliding connection who corresponds.

In the utility model, when the anti-collision protection device of the crane is used, if a person or an obstacle exists on the track, the buffer plate is firstly contacted with the obstacle at the moment, so that the buffer plate receives external force and moves, the buffer plate firstly compresses the second buffer spring, the buffer plate can drive the connecting rod to move, so that the connecting rod can drive the sliding seat to move, the sliding seat can compress the first buffer spring, and the end beam of the crane can be buffered and protected through the elastic deformation of the first buffer spring and the second buffer spring;

and when the hoist end beam continues to remove, this moment the buffer board contacts through the riser and drives the riser and remove, the riser drives the dead lever and removes, the riser can drive the movable plate through coupling spring and remove, the removal of dead lever can drive the sliding plate and remove, the removal of sliding plate can compress compression spring, the removal of movable plate can be pressed down limit switch, transmit the signal of telecommunication for the control system of hoist rapidly, the circuit is cut off, make the operation of hoist stop, avoid subsequent collision, can cushion limit switch through coupling spring and protect, thereby prolong limit switch's life.

The utility model relates to a rationally, elastic deformation through first buffer spring and second buffer spring can carry out the buffering protection to hoist end beam, can in time close the hoist through limit switch.

Drawings

Fig. 1 is a schematic structural view of an anti-collision protection device of a crane according to the present invention;

fig. 2 is a schematic structural view of a part a of an anti-collision protection device of a crane according to the present invention;

fig. 3 is a schematic structural diagram of a part B of the collision avoidance device of the crane according to the present invention.

In the figure: 1. a crane end beam; 2. a buffer seat; 3. a chamber; 4. a sliding plate; 5. a cross bar; 6. a compression spring; 7. fixing the rod; 8. a limit switch; 9. moving the plate; 10. a connecting spring; 11. a vertical plate; 12. a first groove; 13. a sliding seat; 14. a first buffer spring; 15. a connecting rod; 16. a buffer plate; 17. a second buffer spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, an anti-collision protection device for a crane comprises a crane end beam 1, buffer bases 2 are fixedly mounted on both sides of the crane end beam 1, a cavity 3 is formed on the buffer bases 2, a sliding plate 4 is slidably mounted in the cavity 3, two symmetrically arranged cross rods 5 are fixedly mounted on inner walls of both sides of the cavity 3, the sliding plate 4 is slidably mounted on the cross rods 5, a compression spring 6 is movably sleeved on each cross rod 5, one end of the compression spring 6 is fixedly mounted on the sliding plate 4, the other end of the compression spring 6 is fixedly mounted on an inner wall of the cavity 3, one side of the sliding plate 4 is fixedly mounted with one end of a fixed rod 7, the other end of the fixed rod 7 extends to the outer side of the buffer base 2, the other ends of the two fixed rods 7 are fixedly mounted with a same vertical plate 11, one side of the crane end beam 1 is, and movable plate 9 and limit switch 8 looks adaptation, one side fixed mounting of movable plate 9 has the one end of connecting spring 10, the other end fixed mounting of connecting spring 10 is on riser 11, first groove 12 that two symmetries set up is seted up to one side of riser 11, slidable mounting has sliding seat 13 in first groove 12, the equal fixed mounting in one side of keeping away from each other of two sliding seats 13 has the one end of first buffer spring 14, the other end fixed mounting of first buffer spring 14 is on the inner wall of first groove 12, one side of sliding seat 13 articulates the one end that has connecting rod 15, the other end of two connecting rods 15 articulates there is same buffer board 16.

The utility model discloses in, fixed cover is equipped with the limiting plate on the dead lever 7, and limiting plate and 9 looks adaptations of movable plate.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of cavity 3, the equal fixed mounting in both sides of sliding plate 4 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds.

The utility model discloses in, set up the removal hole that two symmetries set up on sliding plate 4, and horizontal pole 5 runs through the removal hole that corresponds.

The utility model discloses in, all seted up the sliding tray on the both sides inner wall of first groove 12, the equal fixed mounting in both sides of sliding seat 13 has the sliding block, and sliding block and the sliding tray sliding connection who corresponds.

In the utility model, when in use, if there is a person or an obstacle on the track, at this time, the buffer board 16 first contacts with the obstacle, so that the buffer board 16 receives external force and moves, the buffer board 16 first compresses the second buffer spring 17, the buffer board 16 can drive the connecting rod 15 to move, so that the connecting rod 15 can drive the sliding seat 13 to move, the sliding seat 13 can compress the first buffer spring 14, the crane end beam 1 can be buffered and protected through the elastic deformation of the first buffer spring 14 and the second buffer spring 17, and when the crane end beam 1 continues to move, the buffer board 16 contacts with the vertical board 11 and drives the vertical board 11 to move, the vertical board 11 drives the fixed rod 7 to move, the vertical board 11 can drive the vertical board moving plate 9 to move through the connecting spring 10, the moving of the fixed rod 7 can drive the sliding board 4 to move, the compression spring 6 can be compressed by the movement of the sliding plate 4, the limit switch 8 can be pressed by the movement of the moving plate 9, an electric signal is rapidly transmitted to a control system of the crane, a circuit is cut off, the operation of the crane is stopped, subsequent collision is avoided, the limit switch 8 can be protected in a buffering mode through the connecting spring 10, and therefore the service life of the limit switch 8 is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The anti-collision protection device of the crane comprises a crane end beam (1) and is characterized in that buffer bases (2) are fixedly mounted on two sides of the crane end beam (1), a cavity (3) is formed in each buffer base (2), sliding plates (4) are slidably mounted in each cavity (3), two symmetrically-arranged transverse rods (5) are fixedly mounted on inner walls of two sides of each cavity (3), each sliding plate (4) is slidably mounted on each transverse rod (5), each transverse rod (5) is movably sleeved with a compression spring (6), one end of each compression spring (6) is fixedly mounted on each sliding plate (4), the other end of each compression spring (6) is fixedly mounted on the inner wall of each cavity (3), one end of each fixing rod (7) is fixedly mounted on one side of each sliding plate (4), the other end of each fixing rod (7) extends to the outer side of each buffer base (2), and the other ends of the two fixing rods (7) are fixedly mounted with a vertical, a limit switch (8) is fixedly arranged on one side of the end beam (1) of the crane, a moving plate (9) is slidably sleeved on the two fixed rods (7), and movable plate (9) and limit switch (8) looks adaptation, one side fixed mounting of movable plate (9) has the one end of connecting spring (10), the other end fixed mounting of connecting spring (10) is on riser (11), first groove (12) that two symmetries set up are seted up to one side of riser (11), slidable mounting has sliding seat (13) in first groove (12), the equal fixed mounting in one side of keeping away from each other of two sliding seat (13) has the one end of first buffer spring (14), the other end fixed mounting of first buffer spring (14) is on the inner wall of first groove (12), one side of sliding seat (13) articulates the one end that has connecting rod (15), the other end of two connecting rod (15) articulates there is same buffer board (16).

2. The anti-collision protection device for the crane as claimed in claim 1, wherein the fixed rod (7) is fixedly sleeved with a limiting plate, and the limiting plate is matched with the moving plate (9).

3. The anti-collision protection device for the crane according to claim 1, wherein the inner walls of the two sides of the chamber (3) are respectively provided with a limiting groove, the two sides of the sliding plate (4) are respectively fixedly provided with a limiting seat, and the limiting seats are slidably connected with the corresponding limiting grooves.

4. The anti-collision protection device for the crane according to claim 1, wherein the sliding plate (4) is provided with two symmetrically arranged moving holes, and the cross bar (5) penetrates through the corresponding moving holes.

5. The anti-collision protection device for the crane as claimed in claim 1, wherein sliding grooves are formed on the inner walls of the two sides of the first groove (12), sliding blocks are fixedly mounted on the two sides of the sliding seat (13), and the sliding blocks are slidably connected with the corresponding sliding grooves.

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