CN218400540U - Buffer of heavy-load locomotive - Google Patents

Abstract

The application provides a heavy-duty locomotive buffer belongs to buffer technical field. This heavy load locomotive buffer includes shell subassembly and buffering subassembly, the shell subassembly includes barrel, last barrel and base down, down the barrel set up in the base top, go up the barrel set up in barrel top down, the buffering subassembly includes mandrel, elastic buffer spare, connecting plate, column cap, voussoir and friction disc, the mandrel runs through barrel and base down, elastic buffer spare set up in the barrel down, the connecting plate set up in the elastic buffer spare top, through setting up barrel, last barrel and base down, can constitute basic barrel, through setting up mandrel, elastic buffer spare, connecting plate, column cap, voussoir and friction disc, replace the friction of voussoir and barrel inner wall with the help of the friction of voussoir and friction disc, the contact friction of assigned position can effectively improve long and result of use of friction.

Description

Buffer of heavy-load locomotive

Technical Field

The application relates to the field of buffers, in particular to a heavy-load locomotive buffer.

Background

The buffer is one of key parts on a railway locomotive, in particular to a heavy-duty railway locomotive, and is mainly used for buffering and absorbing longitudinal impact and vibration energy caused by mutual collision of rolling stocks due to the change of traction force or during pneumatic, braking and jumping operation of the train in the running process of the train, so that the comfort and the stability of the train are improved, and the damage to a train body structure and loaded goods is reduced.

At present, a locomotive buffer mainly comprises a sleeve, a buffer element, a friction wedge and a buffer piston, however, the friction wedge and the sleeve are often required to be subjected to relative displacement friction in the actual buffer use process, the buffer damping performance of the locomotive buffer is influenced by long-time friction use, and certain improvement is required.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a buffer for a heavy-duty locomotive, which aims to improve the problems mentioned in the background art.

An embodiment of the application provides a buffer of a heavy-duty locomotive, which comprises a shell assembly and a buffer assembly.

The shell component comprises a lower barrel, an upper barrel and a base, wherein the lower barrel is arranged at the top of the base, and the upper barrel is arranged at the top of the lower barrel.

Buffering subassembly includes mandrel, elastic buffer, connecting plate, column cap, voussoir and friction disc, the mandrel runs through barrel and base down, elastic buffer set up in the barrel down, the connecting plate set up in the elastic buffer top, the column cap set up in the connecting plate top, mandrel through connection connecting plate and column cap, friction disc set up in go up the barrel inner wall, the voussoir set up in the column cap with between the friction disc.

In a specific embodiment, the elastic buffer member comprises an elastic pad and a partition plate, wherein the elastic pad and the partition plate are both sleeved on the surface of the mandrel in a sliding manner, and the elastic pad and the partition plate are both provided with a plurality of parts and are arranged in a mutually overlapped manner.

In the implementation process, the elastic cushion and the partition plate are arranged, and the elastic cushion and the partition plate are used for buffering the pressure transmitted by the connecting plate and the column head.

In a specific embodiment, the column head is provided with a connecting groove, and the mandrel slidably penetrates through the connecting groove and is connected with a connecting head.

In the above implementation, by providing the connecting groove for sliding the spindle, for relative movement during buffering.

In a specific embodiment, the upper cylinder is provided with a groove, and the friction plate is embedded in the groove.

In the implementation process, the grooves are used for embedding and installing the friction plates.

In a particular embodiment, the groove and the friction plate are both i-shaped.

In a specific embodiment, the wedge is L-shaped in cross section, and one end of the wedge is pressed between the connecting plate and the column head.

In the implementation process, the L-shaped wedge block is arranged, so that the compression joint installation is facilitated.

In a specific embodiment, the lower cylinder and the upper cylinder are designed to be integrally formed, and the inner diameter of the upper cylinder is smaller than that of the lower cylinder.

In a specific embodiment, a reinforcing plate is arranged between the lower cylinder and the base.

In the implementation process, the reinforcing plate is arranged for reinforcing the strength of the connecting structure between the lower barrel and the base.

The beneficial effects of the utility model are that: the basic cylinder can be formed by arranging the lower cylinder, the upper cylinder and the base, friction between the wedge and the inner wall of the cylinder is replaced by friction between the wedge and the friction plate by arranging the mandrel, the elastic buffer part, the connecting plate, the column cap, the wedge and the friction plate, contact friction at the designated position is achieved, and friction use duration and use effect can be effectively improved.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a buffer structure of a heavy-duty locomotive according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a housing assembly provided in an embodiment of the present application;

fig. 3 is a schematic structural view of an elastic buffer according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a friction plate according to an embodiment of the present application.

In the figure: 100-a housing assembly; 110-a lower cylinder; 120-upper cylinder; 121-grooves; 130-a base; 140-a reinforcement plate; 200-a buffer assembly; 210-a mandrel; 220-an elastomeric buffer; 221-an elastic pad; 222-a separator; 230-a connection plate; 240-column cap; 241-connecting grooves; 250-wedge block; 260-friction plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1-4, a heavy-duty locomotive bumper is provided that includes a housing assembly 100 and a bumper assembly 200.

Referring to fig. 1 and 2, the housing assembly 100 includes a lower cylinder 110, an upper cylinder 120 and a base 130, the lower cylinder 110 is disposed on the top of the base 130, the upper cylinder 120 is disposed on the top of the lower cylinder 110, the lower cylinder 110 and the upper cylinder 120 are integrally formed, and the inner diameter of the upper cylinder 120 is smaller than that of the lower cylinder 110.

In a specific embodiment, a reinforcing plate 140 is disposed between the lower cylinder 110 and the base 130, and the reinforcing plate 140 is disposed to reinforce the structural strength of the connection between the lower cylinder 110 and the base 130.

Referring to fig. 1, 2, 3 and 4, the buffering assembly 200 includes a mandrel 210, an elastic buffer 220, a connecting plate 230, a stud 240, a wedge 250 and a friction plate 260, the mandrel 210 penetrates through the lower cylinder 110 and the base 130, the elastic buffer 220 is disposed in the lower cylinder 110, the connecting plate 230 is disposed on top of the elastic buffer 220, the stud 240 is disposed on top of the connecting plate 230, the mandrel 210 penetrates through the connecting plate 230 and the stud 240, the friction plate 260 is disposed on the inner wall of the upper cylinder 120, the wedge 250 is disposed between the stud 240 and the friction plate 260, and the friction plate 260 is mainly a copper plate.

In this embodiment, the elastic buffer 220 includes an elastic pad 221 and a partition 222, the elastic pad 221 and the partition 222 are both slidably sleeved on the surface of the mandrel 210, the elastic pads 221 and the partitions 222 are both provided in plurality and stacked with each other, and by providing the elastic pads 221 and the partitions 222, the pressure transmitted from the connecting plate 230 and the column head 240 is buffered by the elastic pads 221 and the partitions 222.

In a specific embodiment, the post head 240 is provided with a coupling slot 241, and the spindle 210 slidably extends through the coupling slot 241 and is coupled with a coupling head, by providing the coupling slot 241 for sliding the spindle 210 for relative movement during buffering.

In a specific embodiment, the upper cylinder 120 is provided with a groove 121, the friction plate 260 is embedded in the groove 121, the groove 121 is used for embedding and installing the friction plate 260, and the groove 121 and the friction plate 260 are both in an i shape.

It should be noted that the section of the wedge 250 is L-shaped, one end of the wedge 250 is crimped between the connecting plate 230 and the post head 240, and the L-shaped wedge 250 is provided to facilitate crimping installation.

The working principle of the buffer of the heavy-duty locomotive is as follows: when the shock absorber is used, locomotive shock pressure transmitted through the column head 240 presses the wedge 250, the wedge 250 presses the connecting plate 230, the connecting plate 230 presses the elastic buffer 220, the wedge 250 slides in the upper cylinder 120, meanwhile, the wedge 250 contacts and slides the friction plate 260, the friction plate 260 protruding out of the inner wall surface of the upper cylinder 120 replaces the friction between the wedge 250 and the inner wall of the cylinder, the friction force is improved, the friction shock absorption effect is improved, the connecting plate 230 presses the partition plates 222, each partition plate 222 extrudes the elastic pad 221, and the shock pressure is buffered again by the elastic action of the elastic pad 221.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. A buffer for heavy-duty locomotive is characterized by comprising

A housing assembly (100), the housing assembly (100) comprising a lower barrel (110), an upper barrel (120), and a base (130), the lower barrel (110) disposed on top of the base (130), the upper barrel (120) disposed on top of the lower barrel (110);

buffer assembly (200), buffer assembly (200) includes mandrel (210), elastic buffer (220), connecting plate (230), column cap (240), voussoir (250) and friction disc (260), mandrel (210) run through barrel (110) and base (130) down, elastic buffer (220) set up in barrel (110) down, connecting plate (230) set up in elastic buffer (220) top, column cap (240) set up in connecting plate (230) top, mandrel (210) through connection connecting plate (230) and column cap (240), friction disc (260) set up in go up barrel (120) inner wall, voussoir (250) set up in column cap (240) with between friction disc (260).

2. The buffer of claim 1, wherein the elastic buffer (220) comprises an elastic pad (221) and a partition (222), the elastic pad (221) and the partition (222) are slidably sleeved on the surface of the mandrel (210), and the elastic pad (221) and the partition (222) are provided in a plurality and are stacked on each other.

3. The buffer of claim 1, wherein the stud (240) defines a slot (241), and the spindle (210) slidably extends through the slot (241) and has a connector attached thereto.

4. The buffer of claim 1, wherein the upper cylinder (120) is provided with a groove (121), and the friction plate (260) is embedded in the groove (121).

5. The buffer of claim 4, wherein the groove (121) and the friction plate (260) are both I-shaped.

6. The buffer of claim 1, wherein the wedge (250) is L-shaped in cross-section, and one end of the wedge (250) is crimped between the web (230) and the post head (240).

7. The buffer of claim 1, wherein the lower cylinder (110) and the upper cylinder (120) are integrally formed, and the inner diameter of the upper cylinder (120) is smaller than the inner diameter of the lower cylinder (110).

8. A buffer for heavy-duty locomotive according to claim 1, characterized in that a reinforcing plate (140) is provided between said lower cylinder (110) and said base (130).

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