CN214243526U

CN214243526U - Buffer device for slowing down collision of gantry crane

Info

Publication number: CN214243526U
Application number: CN202023108857.5U
Authority: CN
Inventors: 周航; 王伟; 刘燕苹; 邓建红; 李金会
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-09-21
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a buffer device for slowing down gantry crane collision, which comprises a buffer sleeve fixedly arranged at the side of a track end and a gantry crane, wherein a buffer slider is slidably arranged inside the buffer sleeve, a buffer end cover is fixedly arranged at the front end of the buffer sleeve, a bolt sleeve is fixedly arranged on the top surface of the buffer sleeve, a limit pin is movably inserted in the bolt sleeve, a buffer bolt extending to the outside of the buffer sleeve is arranged at the front end of the buffer slider through a threaded hole, a trapezoidal limit table is integrally arranged at the tail end of the buffer slider, and a pressure spring is fixedly arranged on the tail end surface of the trapezoidal limit table; the utility model can effectively reduce the impact force between the gantry cranes and provide safety guarantee for the operation of the gantry cranes; meanwhile, the anti-rebound limiting pin is arranged in the buffer device, so that the spring can be prevented from rebounding the gantry crane due to the reset elasticity of the spring, and the gantry crane can be prevented from continuously colliding under the action of external force factors and the reset elasticity of the spring.

Description

Buffer device for slowing down collision of gantry crane

Technical Field

The utility model relates to a buffer especially relates to a buffer that slows down portal crane collision.

Background

In the steel rolling industry, the supply of raw materials and the packaging of finished products are all completed by a gantry crane. Because rigid impact exists between the gantry crane and the gantry crane, the impact force is large, and meanwhile, in order to prevent the gantry crane from sliding and derailing due to external factors such as gusty wind and the like, the buffers are directly welded at the terminal of a travelling track of the gantry crane and the side body of the gantry crane. The buffers used in various industries are made of soft plastic, so that the service life is short, the buffering effect under the forced impact is not good, and the service life of the gantry crane is influenced to a certain extent.

The utility model with the patent publication number of CN202020161023.1 discloses a buffer device for slowing down the collision of a gantry crane, which adopts the buffer device with a spring, thereby not only having simple and reasonable structure and stable operation, effectively slowing down the impact force between the gantry cranes, but also providing safety guarantee for the safe walking of the gantry crane, being capable of being repeatedly used and prolonging the service life of the gantry crane; effectively solves various inconveniences brought by the commonly used plastic buffer, has wide application prospect and huge economic benefit in the steel rolling industry, and has excellent popularization and use value in the industry. It mainly cushions through the spring, has improved buffering effect, but during the spring buffering, can produce corresponding elasticity that resets according to the buffering dynamics, moves back the portal crane bullet. When the gantry crane slides and collides due to external factors such as high wind and the like, if the collision force is high, the gantry crane can easily generate continuous collision with gradually reduced force under the action of the external force factors and the spring resetting elasticity, so that certain potential safety hazards are realized, and the service life of the gantry crane can be shortened.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a buffer device for slowing down the collision of the gantry crane, which can effectively slow down the impact force between the gantry cranes and provide safety guarantee for the operation of the gantry crane by adopting the buffer device with a spring; meanwhile, the limiting pin for preventing rebounding is arranged in the buffer device, so that the rebounding of the gantry crane by the reset elastic force of the spring can be prevented, the gantry crane is prevented from continuously colliding under the action of external force factors and the reset elastic force of the spring, the buffering process of the gantry crane is more stable, and the safety is higher.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a buffer that slows down portal crane collision, includes the buffer sleeve of fixed mounting in track end and portal crane side, the telescopic inside slidable mounting of buffer has the buffering slider, the fixed mounting of the telescopic front end of buffer has the buffer end cover, the telescopic top surface fixed mounting of buffer has the bolt cover, the activity is pegged graft in the bolt cover and is had the spacer pin, the front end of buffering slider is installed through the screw hole and is extended to the outside buffering bolt of buffer sleeve, the terminal integration of buffering slider is provided with trapezoidal spacing platform, the terminal surface fixed mounting of trapezoidal spacing platform has pressure spring.

As a preferred technical scheme of the utility model, orbital end fixed mounting has the stand, buffer sleeve fixed mounting is in the medial surface of stand.

As an optimal technical scheme of the utility model, fixed mounting has the slope gusset plate between the lateral surface of stand and the track.

As a preferred technical scheme of the utility model, the terminal surface of buffering bolt head passes through recess fixed mounting and has the electromagnetic plate and the press switch who is connected with the electromagnetic plate electricity.

As an optimal technical scheme of the utility model, the lower extreme fixed mounting of spacer pin has the limiting plate, just the cover is equipped with the reset spring who is located between limiting plate and the bolt cover on the spacer pin.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

the utility model can effectively reduce the impact force between the gantry cranes by adopting the buffer device with the spring, prevent the gantry cranes from sliding and derailing to generate major safety accidents caused by external factors such as gusty wind and the like, and provide safety guarantee for the operation of the gantry cranes; meanwhile, the anti-rebound limiting pin is arranged in the buffer device, so that the gantry crane can be prevented from rebounding by the reset elasticity of the spring, and the gantry crane is prevented from generating continuous collision under the action of external force factors and the reset elasticity of the spring, the buffering process of the gantry crane is more stable, and the safety is higher; the terminal surface of buffering bolt head has electromagnetic plate and the press switch who is connected with the electromagnetic plate electricity through recess fixed mounting, and when two buffer bolt contact, press switch is pressed and is opened, makes the electromagnetic plate circular telegram produce magnetic attraction, makes two buffer inhale tightly through magnetism, has further prevented that the portal crane kick-backs and has lasted the collision.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a cross-sectional view of the cushioning device of the present invention;

FIG. 3 is a schematic view of the installation structure of the limit pin of the present invention;

wherein: 1. a track; 2. a gantry crane; 3. a bumper sleeve; 4. a buffer slide block; 5. a spacing pin; 6. a bumper end cap; 7. a cushion bolt; 8. an electromagnetic plate; 9. a trapezoidal limiting table; 10. a pressure spring; 11. a column; 12. inclining the reinforcing plate; 13. a plug sleeve; 14. a push switch; 15. a limiting plate; 16. a return spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, a buffer device for alleviating collision of a gantry crane includes a buffer sleeve 3 fixedly mounted at an end of a track 1 and at a side surface of a gantry crane 2, a buffer slider 4 is slidably mounted inside the buffer sleeve 3, a buffer end cover 6 is fixedly mounted at a front end of the buffer sleeve 3, a plug pin sleeve 13 is fixedly mounted on a top surface of the buffer sleeve 3, a limit pin 5 is movably inserted into the plug pin sleeve 13, a buffer bolt 7 extending to the outside of the buffer sleeve 3 is mounted at a front end of the buffer slider 4 through a threaded hole, a trapezoidal limit table 9 is integrally arranged at a tail end of the buffer slider 4, and a pressure spring 10 is fixedly mounted at a tail end surface of the trapezoidal limit table 9.

The end of track 1 is fixed with stand 11, buffer sleeve 3 fixed mounting is in the medial surface of stand 11, makes things convenient for 1 end buffer's of track installation.

An inclined reinforcing plate 12 is fixedly arranged between the outer side surface of the upright post 11 and the track 1, and can reinforce the upright post 11.

The terminal surface of buffering bolt 7 bolt head has electromagnetic plate 8 and the press switch 14 of being connected with electromagnetic plate 8 electricity through recess fixed mounting, press switch 14 slightly protrudes the terminal surface of bolt head, this embodiment electromagnetic plate 8 adopts JL-0735N28 type electro-magnet, when two buffer device's buffering bolt contact, press switch 14 is pressed and is opened, make electromagnetic plate 8 circular telegram produce magnetic attraction, make two buffer device inhale tightly through magnetism, further prevented portal crane resilience and last collision, still install total switch in the circuit that electromagnetic plate 8 and press switch 14 electricity are connected, two buffer device separation when follow-up accessible total switch cuts off the power supply.

The lower extreme fixed mounting of spacer pin 5 has limiting plate 15, just the cover is equipped with the reset spring 16 that is located between limiting plate 15 and the bolt cover 13 on the spacer pin 5, makes spacer pin 5 accessible reset spring 16 when using.

Specifically, when the gantry crane slides and collides due to external factors such as high wind and the like, the buffer bolts 7 are firstly connected, impact force is transmitted to the pressure spring 10 through the buffer bolts 7 and the buffer sliding blocks 4, and the pressure spring 10 is extruded to deform, so that contraction and buffering are performed; when the collision force is small, the corresponding buffer force is small, the return elastic force of the pressure spring 10 is small, and the gantry crane is not easy to generate continuous collision under the action of external force factors and the return elastic force of the spring; when the collision force is large, the pressure spring 10 is stressed to generate large deformation, so that the trapezoidal limiting table 9 at the tail end of the buffer sliding block 4 passes through the limiting pin 5 and jacks up the limiting pin 5 through the inclined surface, when the trapezoidal limiting table 9 completely passes through the limiting pin 5, the limiting pin 5 is reset to move downwards under the action of the reset spring 16, and the reset end of the trapezoidal limiting table 9 is locked, so that the pressure spring 10 keeps a compression state, the buffer bolt 7 is not rebounded, the gantry crane is prevented from generating continuous collision under the action of external force factors and spring reset elasticity, the buffering process of the gantry crane is more stable, and the safety is higher; when the external force is reduced or weakened, the limit pin 5 can be drawn out upwards to reset the pressure spring 10.

The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.

Claims

1. The utility model provides a buffer that slows down portal crane collision, its characterized in that, including buffer sleeve (3) of fixed mounting in track (1) end and portal crane (2) side, the inside slidable mounting of buffer sleeve (3) has buffering slider (4), the fixed mounting of the front end of buffer sleeve (3) has buffer end cover (6), the top surface fixed mounting of buffer sleeve (3) has bolt cover (13), bolt cover (13) internalization is pegged graft and is had spacer pin (5), the front end of buffering slider (4) is installed through the screw hole and is extended to buffer sleeve (3) outside buffering bolt (7), the end integration of buffering slider (4) is provided with trapezoidal spacing platform (9), the terminal surface fixed mounting of trapezoidal spacing platform (9) has pressure spring (10).

2. The buffer device for slowing down the collision of the gantry crane according to claim 1, wherein the end of the rail (1) is fixedly provided with a vertical column (11), and the buffer sleeve (3) is fixedly arranged on the inner side surface of the vertical column (11).

3. A buffer device for slowing down the collision of a gantry crane according to claim 2, characterized in that an inclined reinforcing plate (12) is fixedly arranged between the outer side surface of the upright post (11) and the rail (1).

4. The buffer device for slowing down the collision of the gantry crane according to claim 1, wherein an electromagnetic plate (8) and a push switch (14) electrically connected with the electromagnetic plate (8) are fixedly arranged on the end surface of the bolt head of the buffer bolt (7) through a groove.

5. The buffer device for slowing down the collision of the gantry crane according to claim 1, wherein a limiting plate (15) is fixedly installed at the lower end of the limiting pin (5), and a return spring (16) positioned between the limiting plate (15) and the bolt sleeve (13) is sleeved on the limiting pin (5).