CN217867794U - A buffer stop for steelmaking overhead traveling crane - Google Patents

Abstract

The utility model relates to an buffer stop for steelmaking overhead traveling crane, including the overhead traveling crane main part, overhead traveling crane main part bottom is equipped with the axis of rotation, the fixed rotation wheel that is equipped with in axis of rotation both sides, the inside backup pad that is equipped with of overhead traveling crane main part, be equipped with the deceleration pole in the backup pad, it is equipped with the speed reduction pad to rotate wheel one side, the cover is equipped with annulus and eccentric wheel in the axis of rotation, annulus and eccentric wheel fixed connection, be equipped with the connecting rod on the eccentric wheel, the last fixed dwang that is equipped with of annulus, through setting up the eccentric wheel, connecting rod and connecting axle, and then make the speed reduction pad inconsistent with the rotation wheel, through the speed reduction pad with rotate the deceleration effect of wheel friction realization to rotating, set up collision pole and impact piece, drive first buffer board under the effect of first spring, the second buffer board is under the effect of second spring, realize the effect of dual buffering, when the overhead traveling crane main part bumps with other things, the at utmost gives overhead traveling crane main part guard action.

Description

A buffer stop for steelmaking overhead traveling crane

Technical Field

The utility model relates to a steelmaking overhead traveling crane technical field specifically is an anti-collision device for steelmaking overhead traveling crane.

Background

In the process of steel production, molten iron enters a steel-making workshop, and in the process of continuous casting to form a casting blank, three transportation modes of crown block transportation, ladle trolley transportation and roller way transportation are accompanied, the crown block transportation integrates loading, unloading, carrying and transportation functions, and is the most important logistics transportation mode in a steel mill, the scheduling level of the crown block transportation is the key for matching and coordinated operation of all production procedures of the steel mill, and the crown block transportation becomes the decisive factor for stable and efficient operation of the production process of the steel mill.

Chinese patent document No. CN213112257U discloses an overhead traveling crane collision avoidance buffer device, but the collision avoidance buffer device disclosed in this patent scheme has a simple structure, a limited buffering effect, cannot realize multiple buffering, does not decelerate the overhead traveling crane when a collision occurs, cannot timely stop the occurrence of a collision accident, and is inconvenient to replace and maintain in the conventional collision avoidance buffer device.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides an buffer stop for steelmaking overhead traveling crane to solve the technical problem who mentions in the background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an anticollision device for steelmaking overhead traveling crane, includes the overhead traveling crane main part, overhead traveling crane main part bottom is equipped with the axis of rotation, the fixed rotation wheel that is equipped with in axis of rotation both sides, the inside backup pad that is equipped with of overhead traveling crane main part, be equipped with the deceleration pole in the backup pad, the deceleration pole runs through backup pad and overhead traveling crane main part, it is equipped with the speed reduction pad to rotate wheel one side, the fixed connecting axle that is equipped with in one side of speed reduction pad, the cover is equipped with annulus and eccentric wheel in the axis of rotation, annulus and eccentric wheel fixed connection, be equipped with the connecting rod on the eccentric wheel, connecting rod one end and eccentric wheel fixed connection, the other end rotates with the connecting axle and is connected, the last fixed dwang that is equipped with of annulus, dwang and deceleration pole sliding connection drive the annulus rotation through setting up deceleration pole and axis of rotation, through setting up eccentric wheel, connecting rod and connecting axle, and then make the speed reduction pad inconsistent with the rotation wheel, and then realize the deceleration effect to the rotation wheel through the speed reduction pad.

Preferably, the last fixed piece that resets that is equipped with of deceleration rod, the cover is equipped with reset spring on the deceleration rod, reset spring one end links to each other with the piece that resets is fixed, and the other end links to each other with the backup pad is fixed, through setting up reset piece and reset spring, after making the speed reduction, can drive deceleration rod and dwang and reset, and then do not influence the continuation of overhead traveling crane main part and use.

In further preferred, the one end of deceleration pole is equipped with slide bar and sliding shaft, be provided with on the slide bar with sliding shaft complex sliding tray, through setting up slide bar and sliding shaft, prevent that deceleration pole and dwang from taking place the skew, and then unable speed reduction, through the cooperation of sliding shaft with the sliding tray, the rotation direction of restriction dwang simultaneously.

It is preferred in further, overhead traveling crane main part one side is equipped with the collision case, the slip is equipped with the collision piece on the collision case, be equipped with collision pole on the collision piece, it is equipped with first buffer board to slide in the collision case, collision piece and first buffer board fixed connection, fixed being equipped with first spring between first buffer board and the collision case, the slip is equipped with the second buffer board in the collision case, be equipped with the second spring between second buffer board and the collision case, the second spring is provided with a plurality ofly, collides pole and collision piece through setting up, drives first buffer board under the effect of first spring, and the effect of dual buffering is realized to the second buffer board under the effect of second spring, when overhead traveling crane main part bumps with other article, and the at utmost gives overhead traveling crane main part guard action.

Preferably, the top and the bottom of the first buffer plate and the second buffer plate are provided with moving blocks, the inner wall of the collision box is provided with moving grooves matched with the moving blocks, the moving directions of the first buffer plate and the second buffer plate are limited by the moving blocks and the moving grooves, and the first buffer plate and the second buffer plate are prevented from deviating and inclining.

Preferably in further, fixed first rubber pad that is equipped with on the first buffer board, be provided with on the second buffer board with first rubber pad complex second rubber pad, through setting up first rubber pad and second rubber pad, prevent that first buffer board and second buffer board from taking place hard collision, prolong the life of collision case.

In further preferred, be equipped with the mounting groove in the collision piece, be equipped with the installation screw rod in the mounting groove, the first fixed mounting nut that is equipped with of collision pole through setting up mounting groove, installation screw rod and mounting nut, is convenient for maintain and change the collision pole, prolongs collision box's life.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses in, set up speed reduction pole and axis of rotation, drive the annulus and rotate, through setting up eccentric wheel, connecting rod and connecting axle, make speed reduction pad and rotation wheel inconsistent, through speed reduction pad and rotation wheel friction realize the deceleration effect to the rotation wheel, prevent that the overhead traveling crane main part from bumping.

2. The utility model discloses in, set up collision pole and collision piece, drive first buffer board under the effect of first spring, the effect of double buffering is realized to the second buffer board under the effect of second spring, when the overhead traveling crane main part bumps with other things, and the at utmost gives overhead traveling crane main part guard action.

3. In the utility model, the reduction rod and the rotating rod can be driven to reset after the reduction is finished by arranging the reset sheet and the reset spring, and the continuous use of the crown block main body is not influenced; set up mounting groove, installation screw rod and mounting nut, be convenient for maintain and change the collision pole, the life of extension collision case has improved the practicality of overhead traveling crane main part.

Drawings

Fig. 1 is a schematic view of the overall structure of an anti-collision device for a steel-making crown block in the utility model;

FIG. 2 is a schematic view of the fitting structure of the middle annular sleeve, the eccentric wheel, the connecting rod, the rotating rod and the speed reducing rod of the present invention;

FIG. 3 is a schematic view of the sectional structure of the middle decelerating rod of the present invention;

FIG. 4 is a schematic view of the sectional structure of the middle mounting box of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the middle impact block of the present invention.

In the figure: 1. a crown block main body; 2. a rotating shaft; 3. a rotating wheel; 4. a support plate; 5. a speed reduction lever; 6. a deceleration pad; 7. a connecting shaft; 8. an annular sleeve; 9. an eccentric wheel; 10. a connecting rod; 11. rotating the rod; 12. a reset sheet; 13. a return spring; 14. a slide bar; 15. a sliding shaft; 16. a sliding groove; 17. a crash box; 18. a collision mass; 19. a collision bar; 20. a first buffer plate; 21. a first spring; 22. a second buffer plate; 23. a second spring; 24. a moving block; 25. a moving groove; 26. a first rubber pad; 27. a second rubber pad; 28. mounting grooves; 29. installing a screw rod; 30. and (7) installing a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, an anti-collision device for a steel-making crown block comprises a crown block body 1, a rotation shaft 2 is arranged at the bottom of the crown block body 1, rotation wheels 3 are fixedly arranged at two sides of the rotation shaft 2, a support plate 4 is arranged inside the crown block body 1, a deceleration rod 5 is arranged on the support plate 4, the deceleration rod 5 penetrates through the support plate 4 and the crown block body 1, a deceleration pad 6 is arranged at one side of the rotation wheel 3, a connecting shaft 7 is fixedly arranged at one side of the deceleration pad 6, an annular sleeve 8 and an eccentric wheel 9 are sleeved on the rotation shaft 2, the annular sleeve 8 is fixedly connected with the eccentric wheel 9, a connecting rod 10 is arranged on the eccentric wheel 9, one end of the connecting rod 10 is fixedly connected with the eccentric wheel 9, the other end of the connecting rod is rotatably connected with the connecting shaft 7, a rotation rod 11 is fixedly arranged on the annular sleeve 8, the rotation rod 11 is slidably connected with the deceleration rod 5, a reset piece 12 is fixedly arranged on the deceleration rod 5, a reset spring 13 is sleeved on the deceleration rod 5, one end of a reset spring 13 is fixedly connected with a reset sheet 12, the other end of the reset spring is fixedly connected with the supporting plate 4, one end of a speed reducing rod 5 is provided with a sliding rod 14 and a sliding shaft 15, the sliding rod 14 is provided with a sliding groove 16 matched with the sliding shaft 15, when the crane is used, the rotating wheel 3 and the rotating shaft 2 are driven by an external driving device to rotate, the driving device is the prior art, and no description is given here, when the crane main body 1 encounters a foreign body in the motion process, the speed reducing rod 5 touches the foreign body and moves into the crane main body 1 under the extrusion of the foreign body, the speed reducing rod 5 drives the reset sheet 12 to compress the reset spring 13, the sliding rod 14 and the sliding shaft 15 on the speed reducing rod 5 move in the sliding groove 16, the speed reducing rod 5 extrudes the rotating shaft 2 to drive the annular sleeve 8 to rotate, the eccentric wheel 9 is driven to rotate through the rotation of the annular sleeve 8, the eccentric wheel 9 rotates to drive the connecting rod 10 to rotate, and then drive axis of rotation 2 and speed reduction pad 6 and rotate, speed reduction pad 6 because the eccentric action of eccentric wheel 9, with rotate the close contact of wheel 3 and be connected closely, and then increased the frictional force between wheel 3 and the speed reduction pad 6, and then for rotating wheel 3 speed reduction, prevent overhead traveling crane main part 1 and foreign matter from colliding, after the foreign matter shifts out, reset spring 13 pushes reset piece 12 and speed reduction pole 5 under the effect of elasticity and resets, and then makes overhead traveling crane main part 1 resume normal movement.

Referring to fig. 4, in this embodiment, a collision box 17 is disposed on one side of a crown block body 1, a collision block 18 is slidably disposed on the collision box 17, a collision rod 19 is disposed on the collision block 18, a first buffer plate 20 is slidably disposed in the collision box 17, the collision block 18 is fixedly connected to the first buffer plate 20, a first spring 21 is fixedly disposed between the first buffer plate 20 and the collision box 17, a second buffer plate 22 is slidably disposed in the collision box 17, a second spring 23 is disposed between the second buffer plate 22 and the collision box 17, a plurality of second springs 23 are disposed, moving blocks 24 are disposed at the top and bottom of the first buffer plate 20 and the second buffer plate 22, a moving groove 25 matched with the moving blocks 24 is disposed on the inner wall of the collision box 17, a first rubber pad 26 is fixedly disposed on the first buffer plate 20, a second rubber pad 27 matched with the first rubber pad 26 is disposed on the second buffer plate 22, when the crown block body 1 inevitably collides with a foreign object, firstly the collision rod 19 is impacted, the collision rod 19 drives the collision block 18 to move towards the inside of the collision box 17, the collision block 18 drives the first buffer plate 20 to move towards one side, the first buffer plate 20 gives a buffering effect to the collision block 18 and the collision rod 19 under the elastic action of the first spring 21, when the first buffer plate 20 moves to the second buffer plate 22, the first rubber pad 26 is in contact with the second rubber pad 27 to give a buffering effect to the collision of the first buffer plate 20 and the second buffer plate 22, the first buffer plate 20 drives the second buffer plate 22 to move together under the action of the collision rod 19 and the collision block 18, the second buffer plate 22 compresses the second spring 23, so that the double buffering effect of the first buffer plate 20 and the second buffer plate 22 under the action of the second spring 23 is realized under the action of the first spring 21, and the crown block body 1 is protected to the greatest extent, meanwhile, when the first buffer plate 20 and the second buffer plate 22 move, the moving block 24 is driven to move in the moving groove 25, so that the first buffer plate 20 and the second buffer plate 22 are prevented from deviating and inclining, and after collision is finished, the first buffer plate 20 is reset under the action of the first spring 21 and the second buffer plate 22 is reset under the action of the second spring 23.

Referring to fig. 5, in the present embodiment, an installation groove 28 is formed in the impact block 18, an installation screw 29 is formed in the installation groove 28, and an installation nut 30 is fixedly installed on the first end of the impact rod 19, so that when the impact rod 19 needs to be replaced, the impact rod 19 is rotated, the installation nut 30 on the impact rod 19 rotates on the installation screw 29 and falls off, and the impact rod 19 is further disassembled, and a new installation nut 30 of the impact rod 19 is installed after aligning with the installation screw 29, so that the installation and the disassembly of the impact rod 19 are simple and convenient.

Example 2:

on the basis of embodiment 1, when in use, the rotating wheel 3 and the rotating shaft 2 rotate under the driving of an external driving device, the driving device is the prior art, and is not described herein any more, when the crown block main body 1 encounters a foreign object in the motion process, the reducing rod 5 touches the foreign object and moves into the crown block main body 1 under the extrusion of the foreign object, the reducing rod 5 drives the reset piece 12 to compress the reset spring 13, the sliding rod 14 and the sliding shaft 15 on the reducing rod 5 move in the sliding groove 16, the reducing rod 5 extrudes the rotating shaft 2 to drive the annular sleeve 8 to rotate, the eccentric wheel 9 is driven to rotate through the rotation of the annular sleeve 8, the eccentric wheel 9 drives the connecting rod 10 to rotate, and then the rotating shaft 2 and the reducing pad 6 rotate, the reducing pad 6 is closely attached and connected with the rotating wheel 3 due to the eccentric effect of the eccentric wheel 9, so as to increase the friction force between the rotating wheel 3 and the reducing pad 6, thereby decelerating the rotating wheel 3, and preventing the crown block main body 1 from colliding with the foreign object, when the reset spring 13 moves out, the reset piece 12 and the reducing rod 5 under the effect of elasticity, and further restoring the crown block 1 to restore the crown block 1 to move normally.

Example 3:

on the basis of embodiment 2, when the crown block body 1 inevitably collides with a foreign object, firstly the collision rod 19 is impacted, the collision rod 19 drives the collision block 18 to move towards the inside of the collision box 17, the collision block 18 drives the first buffer plate 20 to move towards one side, the first buffer plate 20 gives a buffer action to the collision block 18 and the collision rod 19 under the elastic force of the first spring 21, when the first buffer plate 20 moves to the second buffer plate 22, the first rubber pad 26 contacts with the second rubber pad 27 to give a buffer action to the collision of the first buffer plate 20 and the second buffer plate 22, the first buffer plate 20 drives the second buffer plate 22 to move together under the action of the collision rod 19 and the collision block 18, the second buffer plate 22 compresses the second spring 23, and further the first buffer plate 20 is under the action of the first spring 21, the second buffer plate 22 has a double buffering effect under the action of the second spring 23, the crown block body 1 is protected to the greatest extent, meanwhile, when the first buffer plate 20 and the second buffer plate 22 move, the moving block 24 is driven to move in the moving groove 25, the first buffer plate 20 and the second buffer plate 22 are prevented from deviating and inclining, after collision is finished, the first buffer plate 20 is under the action of the first spring 21, the second buffer plate 22 resets under the action of the second spring 23, when the collision rod 19 needs to be replaced, the collision rod 19 rotates, the mounting nut 30 on the collision rod 19 rotates on the mounting screw 29 and falls off, the collision rod 19 is disassembled, the mounting nut 30 of a new collision rod 19 is mounted after aligning with the mounting screw 29, and the mounting and disassembling of the collision rod 19 are simple and convenient.

In all the above-mentioned embodiments, the connection between two components may be selected from welding, bolt and nut fit connection, bolt or screw connection or other known connection methods according to actual situations, which are not repeated herein, and it is preferable to consider welding in the above description, although the embodiments of the present invention 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 in the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an anticollision device for steelmaking overhead traveling crane, includes overhead traveling crane main part (1), its characterized in that: overhead traveling crane main part (1) bottom is equipped with axis of rotation (2), fixed being equipped with in axis of rotation (2) both sides rotates wheel (3), overhead traveling crane main part (1) inside backup pad (4) that is equipped with, be equipped with deceleration pole (5) on backup pad (4), deceleration pole (5) run through backup pad (4) and overhead traveling crane main part (1), it is equipped with speed reduction pad (6) to rotate wheel (3) one side, the fixed connecting axle (7) that is equipped with in one side of speed reduction pad (6), the cover is equipped with annulus (8) and eccentric wheel (9) on axis of rotation (2), annulus (8) and eccentric wheel (9) fixed connection, be equipped with connecting rod (10) on eccentric wheel (9), connecting rod (10) one end and eccentric wheel (9) fixed connection, the other end is connected with connecting axle (7) rotation, the fixed dwang (11) that is equipped with on annulus (8), dwang (11) and deceleration pole (5) sliding connection.

2. The collision avoidance device for a steelmaking overhead travelling crane of claim 1, wherein: the speed reducing rod is characterized in that a reset sheet (12) is fixedly arranged on the speed reducing rod (5), a reset spring (13) is sleeved on the speed reducing rod (5), one end of the reset spring (13) is fixedly connected with the reset sheet (12), and the other end of the reset spring is fixedly connected with the supporting plate (4).

3. The collision avoidance device for a steelmaking overhead travelling crane of claim 1, wherein: one end of the speed reducing rod (5) is provided with a sliding rod (14) and a sliding shaft (15), and the sliding rod (14) is provided with a sliding groove (16) matched with the sliding shaft (15).

4. The collision avoidance device for a steelmaking crown block as claimed in claim 1, wherein: crown block main part (1) one side is equipped with collision case (17), the slip is equipped with collision piece (18) on collision case (17), be equipped with collision pole (19) on collision piece (18), it is equipped with first buffer board (20) to slide in collision case (17), collision piece (18) and first buffer board (20) fixed connection, it is equipped with first spring (21) to fix between first buffer board (20) and collision case (17), it is equipped with second buffer board (22) to slide in collision case (17), be equipped with second spring (23) between second buffer board (22) and collision case (17), second spring (23) are provided with a plurality ofly.

5. The collision avoidance device for a steelmaking overhead travelling crane of claim 4, wherein: the top and the bottom of the first buffer plate (20) and the second buffer plate (22) are both provided with moving blocks (24), and the inner wall of the collision box (17) is provided with a moving groove (25) matched with the moving blocks (24).

6. The collision avoidance device for a steelmaking overhead travelling crane of claim 4, wherein: a first rubber pad (26) is fixedly arranged on the first buffer plate (20), and a second rubber pad (27) matched with the first rubber pad (26) is arranged on the second buffer plate (22).

7. The collision avoidance device for a steelmaking overhead travelling crane of claim 4, wherein: the collision block (18) is internally provided with a mounting groove (28), the mounting groove (28) is internally provided with a mounting screw (29), and a mounting nut (30) is fixedly arranged on the first collision rod (19).

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