CN214396778U

CN214396778U - Locomotive shunting end line anti-collision device

Info

Publication number: CN214396778U
Application number: CN202120215246.6U
Authority: CN
Inventors: 王恒; 刘仕会; 徐剑; 石吉奉; 陈昭良; 梁旭昌; 于海洋; 谭开列; 潘柳斌; 傅康伦; 王豪; 吴海源; 何建华; 谢云; 陈向华; 覃显淋
Original assignee: Guangxi Liuzhou Iron and Steel Group Co Ltd
Current assignee: Guangxi Liuzhou Iron and Steel Group Co Ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-10-15
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a locomotive shunting end line buffer stop belongs to railway end line safety protection technical field, including buffer, link and underframe the striking end of buffer is equipped with the rubber buffer pad, the rubber buffer pad is used for slowing down the vehicle gib head right the buffer impact, the box of buffer with pass through between the underframe the link is connected, the both sides of underframe all are equipped with the bearing, the spout that matches with the rail is seted up to the bearing be equipped with the clutch blocks in the spout, work as the vehicle gib head striking the buffer makes the bearing is in slide on the rail, the clutch blocks friction the rail is braked, the utility model provides a current railway end line adopt prevent swift current skate to protect and have the problem that stability is low, the accident rate is high.

Description

Locomotive shunting end line anti-collision device

Technical Field

The utility model belongs to the technical field of railway end line safety protection, a an buffer stop for locomotive shunting end line is related to.

Background

In the process of daily railway transportation operation, vehicles can be parked at the end line of a railway or shunting operation is carried out by using a traction line, and in order to prevent the vehicles from slipping or being out of control and rushing out of the line due to mechanical failure, misoperation and the like, the arranged stopping equipment is called a vehicle stopper, also called a vehicle stopper. Due to the restriction of factors in various aspects such as surrounding environment, line length, actual transportation operation and the like, an effective safety distance between a car stopper arranged on a dead end line and a parked car is generally difficult to guarantee, and the car stopper used at present only performs simple collision blocking on a car hook, so that the car hook is greatly damaged, the car stopper is extremely easy to damage due to collision of rolling stock and the car is damaged, and unnecessary loss is caused to a company. In order to reduce the collision loss between the car stopper and the vehicle, the railway transportation department generally sets an anti-slip iron shoe at the front end of the car stopper for protection, but in the actual application process, the iron shoe is lost frequently or drops off in the wheel stopping process, so that the effect of speed reduction protection cannot be achieved, and accidents are caused to happen frequently.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem provide locomotive shunting end line buffer stop to solve current railway end line and adopt anti-skidding skate to protect and have the problem that stability is low, the accident rate is high.

In order to solve the above problem, the utility model discloses a technical scheme is: the vehicle hook impact braking device comprises a buffer, a connecting frame and a bottom frame, wherein a rubber buffer pad is arranged at the impact end of the buffer and used for slowing down the impact force of a vehicle hook head, a box body of the buffer and the bottom frame are connected through the connecting frame, supporting seats are arranged on two sides of the bottom frame, sliding grooves matched with steel rails are formed in the supporting seats, friction blocks are arranged in the sliding grooves, when the vehicle hook head impacts the buffer, the supporting seats slide on the steel rails, and the steel rails are braked through friction of the friction blocks.

In the above technical solution, a more specific technical solution may also be: the connecting plate is arranged between the bottom frame and the supporting seat, two sides of the connecting plate are connected with two sides of the supporting seat through the fastening bolts, so that the supporting seat is convenient to disassemble, assemble and increase stability in the sliding process of the supporting seat, and the screws sequentially penetrate through the bottom frame, the connecting plate and the supporting seat, extend into the sliding grooves and are connected with the friction blocks, so that the friction blocks are convenient to replace.

Further: one end of the friction block, which is close to the rubber buffer pad, forms an included angle of 1-3 degrees with a horizontal line, so that the bottom surface of the friction block is in a slope shape, when the hook head of the vehicle impacts the buffer, the supporting seat slightly inclines towards the other side, the bottom surface of the friction block slowly clings to the steel rail in the inclining process, and the friction resistance is gradually increased.

Further: the number of the supporting seats is four, two of the supporting seats are arranged on one side of the bottom frame, the other two supporting seats are arranged on the other side of the bottom frame, and the four supporting seats are distributed on the bottom frame, so that the stability can be increased, and the phenomenon that the inclination angle is too large due to too large impact force is prevented.

Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has: the shock absorber is transmitted to a train through the spring buffering of the buffer and the sliding friction braking of the supporting seat, plays a role in relaxing and attenuating the impact and vibration between a locomotive and a train workshop, and has the characteristics of high stability and reduced accident rate.

Drawings

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

Fig. 2 is a right side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is an enlarged sectional view of the region K of fig. 1.

Fig. 5 is an enlarged view of the region L of fig. 2.

In the figure: 1. a buffer; 11. a rubber cushion pad; 2. a connecting frame; 3. a bottom frame; 31. a supporting seat; 311. a chute; 312. a friction block; 32. a connecting plate; 321. fastening a bolt; 322. a screw; 4. a steel rail.

Detailed Description

The invention will be described in more detail with reference to the following examples:

the locomotive shunting end line collision avoidance device shown in fig. 1 to 5 comprises a buffer 1, a connecting frame 2 and a bottom frame 3, wherein a rubber buffer cushion 11 is arranged at the impact end of the buffer 1, the rubber buffer cushion 11 is used for reducing the impact force of a coupler head of a vehicle on the buffer 1, a box body of the buffer 1 is connected with the bottom frame 3 through the connecting frame 2, two sides of the bottom frame 3 are respectively provided with a supporting seat 31, the supporting seats 31 are provided with a sliding groove 311 matched with a steel rail 4, a friction block 312 is arranged in the sliding groove 311, when the coupler head of the vehicle impacts the buffer 1, the supporting seats 31 slide on the steel rail 4, and the friction block 312 rubs the steel rail 4 to brake, the buffer 1 in the embodiment adopts an MT-3 type buffer, the bending force characteristic of the buffer is that the stiffness of the buffer is small and the change of a truck is gentle when the railway is unloaded or at a low impact speed, when the full-load impact speed of a railway wagon is over 7km/h, the rigidity is increased quickly, the structure is reasonable, the capacity is large, the energy absorption rate is high, the stability is good, the capacity of the buffer reaches 45 kj-54 kj, the energy absorption rate can reach 85% -90%, the inspection interval period is long, the service life can reach 15 years, a box opening sealing device is adopted for the buffer, a copper bar is additionally arranged on a wedge block, the copper bar is soft, a smooth contact surface is easily formed after friction, the sealing effect can be effectively achieved, dust and impurities are prevented from entering a friction surface, meanwhile, the effects of lubricating and absorbing metal abrasive dust can be achieved, and the stable friction coefficient is guaranteed; the connecting plate 32 is arranged between the bottom frame 3 and the supporting seat 31, two sides of the connecting plate 32 are connected with two sides of the supporting seat 31 through the fastening bolts 321, so that the mounting, the dismounting and the stability of the supporting seat 31 in the sliding process are convenient to increase, the screws 322 sequentially penetrate through the bottom frame 3, the connecting plate 32 and the supporting seat 31, extend into the sliding grooves 311 and are connected with the friction blocks 312, and the friction blocks 312 are convenient to replace; one end of the friction block 312, which is close to the rubber buffer 11, forms an included angle of 1-3 degrees with the horizontal line, so that the bottom surface of the friction block 312 is in a slope shape, when the hook head of the vehicle impacts the buffer 1, the supporting seat 31 slightly inclines towards the other side, the bottom surface of the friction block 312 slowly clings to the steel rail 4 in the inclining process, and the friction resistance gradually increases; the number of the supporting seats 31 is four, two of the supporting seats 31 are arranged on one side of the bottom frame 3, the other two supporting seats 31 are arranged on the other side of the bottom frame 3, and the four supporting seats 31 are distributed on the bottom frame 3, so that the stability can be increased, and the phenomenon that the inclination angle is too large due to too large impact force is prevented.

When a vehicle impacts the utility model, the impact force of the vehicle is transmitted to the buffer 1 from the rubber buffer 11 and then transmitted to the supporting seat 31 from the connecting frame 2, the friction block 312 arranged in the chute 311 below the supporting seat 31 is stressed and clings to the steel rail 4, and the friction resistance is gradually increased; the buffer 1 is skillfully utilized to reduce the impact force, the impact force is dispersed to the connecting frame 2, and the friction resistance of the friction block 312 and the steel rail 4 gradually weakens the collision impact on the vehicle, and consumes the inertia kinetic energy of the vehicle out of control; through the utility model discloses an application, can greatly reduced accident rate, adopt MT-3 type friction formula buffer to allow the highest impact velocity of vehicle 15km/h, total resistance is not less than 150kN, can cushion the transverse impact that the locomotive brought in the short time.

Claims

1. The utility model provides a locomotive shunting end line buffer stop which characterized in that: the steel rail buffer comprises a buffer, a connecting frame and a bottom frame, wherein a rubber buffer pad is arranged at the impact end of the buffer, a box body of the buffer is connected with the bottom frame through the connecting frame, supporting seats are arranged on two sides of the bottom frame, sliding grooves matched with steel rails are formed in the supporting seats, and friction blocks are arranged in the sliding grooves.

2. The locomotive shunting headwall collision avoidance device of claim 1, wherein: the connecting plate is arranged between the bottom frame and the supporting seat, two sides of the connecting plate are connected with two sides of the supporting seat through the fastening bolts, and the screws sequentially penetrate through the bottom frame, the connecting plate and the supporting seat, extend into the sliding grooves and are connected with the friction blocks.

3. The locomotive shunting headwall collision prevention device as claimed in claim 1 or 2, wherein: one end of the friction block close to the rubber buffer pad forms an included angle of 1-3 degrees with the horizontal line.

4. The locomotive shunting headwall collision avoidance device of claim 3, wherein: the number of the supporting seats is four, two of the supporting seats are arranged on one side of the bottom frame, and the other two supporting seats are arranged on the other side of the bottom frame.