WO2020133999A1

WO2020133999A1 - Traction beam and rail vehicle

Info

Publication number: WO2020133999A1
Application number: PCT/CN2019/094193
Authority: WO
Inventors: 郭斌; 马纪军; 张硕韶; 曲哲; 姜茹佳; 果立奎; 侯建英; 曹俊涛
Original assignee: 中车唐山机车车辆有限公司
Priority date: 2018-12-25
Filing date: 2019-07-01
Publication date: 2020-07-02
Also published as: CN111361597B; CN111361597A

Abstract

A traction beam (1) and a rail vehicle, the traction beam (1) comprising a bottom plate (11), a cover plate (12), a first vertical plate (13), a second vertical plate (14), a coupler panel (15), a horizontal supporting plate (16) and a vertical supporting plate (17); a side surface of the coupler panel (15) is used to install a coupler, while the other side surface is used to install the horizontal supporting plate (16); the coupler panel (15) is weldingly connected to the bottom plate (11), the cover plate (12), the first vertical plate (13) and the second vertical plate (14); an installation space (19) is formed at the side of the coupler panel (15) on which the coupler is installed, and a cavity (20) is formed at the other side of the coupler panel (15) that faces away from the coupler.

Description

Traction beam and rail vehicle

Technical field

The present application relates to the technical field of rail vehicles, in particular, to a traction beam and rail vehicles.

Background technique

The inspection standards for commonly used steel rail passenger cars in China include the subway stainless steel car body standard BS EN12663-2 and the domestic carbon steel car body executive standard TB/T 1335. Among them, the compression resistance index for the car body in the subway stainless steel car body standard is 800kN, and the compression resistance index of the car body in the domestic carbon steel car body implementation standard is 1180kN. However, for example, when the compression requirement is 3560kN, that is, when the actual compression condition of the vehicle body is much greater than the compression condition required by the above standards, the traction beam structure commonly used in the related art rail vehicles has been unable to meet the requirements, resulting in the traction beam prone to appear Damage conditions such as excessive stress of plates and shear fracture of rivets.

Summary of the invention

The embodiments of the present application provide a traction beam and a rail vehicle. The traction beam can enhance the compression resistance, and can make the vehicle body meet the load-bearing requirements of heavy compression working conditions (such as compression 3560kN working conditions).

According to a first aspect of the embodiments of the present application, a traction beam is provided, including a bottom plate, a cover plate, a first vertical plate, a second vertical plate, a coupler panel, a horizontal support plate, and a vertical support plate; wherein:

The cover plate and the bottom plate are oppositely arranged in the vertical direction;

The first vertical plate and the second vertical plate are oppositely arranged, and are both welded between the bottom plate and the cover plate;

The coupler panel is arranged in a vertical direction, one side surface is used to install a coupler, and the other side surface is used to install a horizontal support plate, the coupler panel and the bottom plate, the cover plate, the first upright plate Are welded to the second vertical plate, and an installation space is formed on the side of the coupler panel where the coupler is installed, and a cavity is formed on the other side of the coupler panel facing away from the coupler;

The horizontal support plate is located in the cavity, and is welded to the coupler panel, the first vertical plate, and the second vertical plate;

The vertical support plate is located in the cavity, and is welded to the cover plate, the first vertical plate, and the second vertical plate.

In some optional implementation manners, at least two horizontal support plates are provided, and at least two horizontal support plates are arranged in parallel.

In some optional implementations, the length of the horizontal support plate gradually changes from the cover plate toward the bottom plate.

In some optional implementations, the length of the horizontal support plate gradually decreases.

In some optional implementation manners, at least two vertical support plates are provided, and at least two vertical support plates are arranged in parallel.

In some optional implementations, the vertical support plate is disposed on a side of the cover plate away from the coupler panel.

In some optional implementation manners, the horizontal support plate is provided with a first weight reduction hole; the vertical support plate is provided with a second weight reduction hole; and the bottom plate is provided with a third weight reduction hole.

In some optional implementation manners, a plurality of first reinforcing ribs are welded on a surface of the first vertical plate facing away from the second vertical plate, and the top of the first reinforcing ribs is welded to the cover plate Connected, and the bottom is welded to the bottom plate;

A plurality of second reinforcing ribs are welded on the surface of the second vertical plate facing away from the first vertical plate, the top of the second reinforcing rib is welded to the cover plate, and the bottom is welded to the bottom plate connection.

In some optional implementation manners, an anti-jumping frame body is provided on both the first vertical plate and the second vertical plate in the installation space, and the anti-jumping frame body is used to prevent the coupler Jump in the vertical direction.

In some optional implementations, a mounting hole for mounting a coupler bracket is provided at the bottom of the bottom plate.

According to a second aspect of the embodiments of the present application, there is provided a rail vehicle, which includes any traction beam as provided in the above technical solution.

With the traction beam provided in the embodiment of the present application, since the coupler panel of the traction beam is welded to the bottom plate, the cover plate, the first upright panel and the second upright panel, a cavity is formed on the side of the coupler panel facing away from the coupler to make the traction beam A box structure is formed on the rear side of the coupler panel, and horizontal support plates and vertical support plates are welded in the cavity. The horizontal support plates welded to the coupler panel, first vertical plate, and second vertical plate can enhance traction The compression resistance of the beam in the horizontal direction can be enhanced by the vertical support plate welded with the cover plate, the first vertical plate and the second vertical plate. Therefore, the compression resistance of the traction beam in the vertical direction can be enhanced. Enhanced anti-compression performance can make the car body meet the load requirements of heavy compression conditions (such as compression 3560kN conditions).

BRIEF DESCRIPTION

The drawings described here are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an undue limitation on the present application. In the drawings:

1 is a schematic structural diagram of a traction beam provided by an embodiment of the present application;

2 is a schematic diagram of the A-direction structure of the traction beam provided in FIG. 1;

3 is a schematic cross-sectional view taken along line B-B of the traction beam provided in FIG. 1;

4 is a schematic view of the C-direction structure of the traction beam provided in FIG. 2;

5 is a schematic view of the D-direction structure of the traction beam provided in FIG. 2;

6 is a schematic cross-sectional view taken along line E-E of the traction beam provided in FIG. 2;

7 is a schematic cross-sectional view taken along the line F-F of the traction beam provided in FIG. 3;

8 is a schematic cross-sectional view taken along line G-G of the traction beam provided in FIG. 3;

9 is a schematic cross-sectional view taken along line H-H of the traction beam provided in FIG. 3;

10 is a schematic cross-sectional view taken along line J-J of the traction beam provided in FIG. 3;

Reference mark:

1- traction beam; 11- bottom plate; 12- cover plate; 13- first vertical plate; 14- second vertical plate; 15- coupler panel; 16- horizontal support plate; 17- vertical support plate; 18- anti-jump Frame body; 19-installation space; 20-cavity; 21-front seat plate; 111-third weight reduction hole; 112-installation hole; 131-first reinforcement rib; 141-second reinforcement rib; 161-section A horizontal support plate; 162-second horizontal support plate; 163-third horizontal support plate; 164-first weight reduction hole; 171-first vertical support plate; 172-second vertical support plate; 173-th Two weight loss holes.

detailed description

In the process of realizing the present application, the technical personnel found that when the relevant traction beam is used in a compression requirement of 3560 kN, the traction beam is prone to damage conditions such as excessive stress of the plate and shear fracture of the rivet.

In view of the above problems, an embodiment of the present application provides a traction beam and a rail vehicle. Since the traction beam is welded and connected by a coupler panel, a bottom plate, a cover plate, a first vertical plate, and a second vertical plate, a box structure is formed. The horizontal support plate and the vertical support plate are welded in the cavity. Therefore, the traction beam can enhance the compression resistance and can make the car body meet the load requirements of heavy compression working conditions (such as compression 3560kN working conditions).

In order to make the technical solutions and advantages in the embodiments of the present application more clear, the following describes the exemplary embodiments of the present application in further detail with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, and Not exhaustive of all embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other if there is no conflict.

Example one

Please refer to FIG. 1, FIG. 2, FIG. 3 and FIG. 4, an embodiment of the present application provides a traction beam 1, which is used in a rail vehicle to connect a coupler to the chassis of the vehicle body, the traction beam 1 Including bottom plate 11, cover plate 12, first vertical plate 13, second vertical plate 14, coupler panel 15, horizontal support plate 16 and vertical support plate 17; bottom plate 11, cover plate 12, first vertical plate 13, second The vertical plate 14, the coupler panel 15, the horizontal support plate 16 and the vertical support plate 17 are all made of steel plates; among them:

The cover plate 12 and the bottom plate 11 are oppositely arranged in the vertical direction; as shown in the structure of FIGS. 3 and 7, the cover plate 12 is provided on the top of the traction beam 1, the bottom plate 11 is provided on the bottom of the traction beam 1, and the cover plate 12 and the bottom plate 11 Relative setting

The first vertical plate 13 and the second vertical plate 14 are oppositely arranged, and are both welded and connected between the bottom plate 11 and the cover plate 12; as shown in the structure of FIGS. 5 and 6, the first vertical plate 13 is located on the left side and the second vertical plate The plate 14 is located on the right side, and the first vertical plate 13 and the second vertical plate 14 are oppositely arranged, and are all connected by welding between the cover plate 12 and the bottom plate 11; as shown in the structure of FIG. 7, the bottom plate 11, the cover plate 12, the first vertical plate The plate 13 and the second vertical plate 14 are welded to form a rectangular cylindrical structure to improve the structural strength of the traction beam 1;

As shown in the structure of FIG. 3, the coupler panel 15 is arranged in a vertical direction, and one side surface is used to install the coupler, and the other side surface is used to install the horizontal support plate 16, the coupler panel 15 and the bottom plate 11, the cover plate 12, the first The vertical plate 13 and the second vertical plate 14 are both welded and connected, and an installation space 19 is formed on the side of the coupler panel 15 where the coupler is installed, and a cavity 20 is formed on the other side of the coupler panel 15 facing away from the coupler; the coupler is fixed by the coupler panel 15 Of the rear part, to fix and limit the coupler through the coupler panel 15 and to carry the force of the coupler in the front and back directions, and to further increase the load on the traction beam by welding the horizontal support plate 16 on the other side of the coupler panel 15 pressure;

The horizontal support plate 16 is located in the cavity 20 and is welded to the coupler panel 15, the first vertical plate 13 and the second vertical plate 14; the horizontal support plate 16 may be provided with at least two, such as two, three or more One can also be provided; when two or more horizontal support plates 16 are provided, at least two horizontal support plates 16 are arranged in parallel. As shown in the structure of FIGS. 3 and 7, the traction beam 1 is provided with three horizontal support plates 16 all parallel to the horizontal plane, such as: a first horizontal support plate 161, a second horizontal support plate 162, and a third horizontal support plate 163; The provided three horizontal support plates 16 can strengthen the structural strength and rigidity of the coupler panel 15, thereby increasing the overall structural strength and rigidity of the traction beam 1;

The vertical support plate 17 is located in the cavity 20 and is welded to the cover plate 12, the first vertical plate 13 and the second vertical plate 14. As shown in the structure of FIGS. 3 and 10, two vertical support plates 17 are provided in the cavity 20 formed by the coupler panel 15, the bottom plate 11, the cover plate 12, the first vertical plate 13, and the second vertical plate 14, such as : The first vertical support plate 171 and the second vertical support plate 172 are provided in parallel, and the first vertical support plate 171 and the second vertical support plate 172 are both connected to the cover plate 12, the first vertical plate 13 and the second vertical support plate. The plate 14 is welded to further improve the structural strength and rigidity of the traction beam 1 to improve the compression resistance of the traction beam 1; the vertical support plate 17 may be provided with one, two or more, when at least two vertical supports are provided At the time of the board 17, at least two vertical support plates 17 are arranged in parallel, and the vertical support plates 17 are provided on the side of the cover plate 12 away from the coupler panel 15.

The bottom plate 11, the cover plate 12, the first vertical plate 13 and the second vertical plate 14 of the above-mentioned traction beam 1 are welded to form a rectangular cylinder structure. The coupler panel 15 is disposed in the cylinder, and the periphery of the coupler panel 15 is connected to the bottom panel 11, The cover plate 12, the first vertical plate 13 and the second vertical plate 14 are welded to form a mounting space 19 for installing the coupler on the side of the coupler panel 15, and a cavity 20 is formed on the side of the coupler panel 15 facing away from the coupler, so that traction The beam 1 forms a box structure on the rear side of the coupler panel 15, and at the same time, a horizontal support plate 16 and a vertical support plate 17 are welded in the cavity 20, and are connected to the coupler panel 15, the first vertical plate 13 and the second vertical plate 14 The horizontal support plates 16 welded together can enhance the structural strength and rigidity of the traction beam 1, and can improve the horizontal compression resistance of the traction beam by welding with the cover plate 12, the first vertical plate 13 and the second vertical plate 14 The vertical support plates 17 together can further enhance the structural strength and rigidity of the traction beam 1, and can improve the vertical compression resistance of the traction beam 1, therefore, the structural strength and rigidity of the traction beam 1 are higher and can Enhance the anti-compression performance, so that the car body can meet the load requirements of heavy compression conditions (such as compression 3560kN conditions).

In a specific embodiment, when at least two horizontal support plates 16 are provided, the length of the horizontal support plate 16 gradually changes from the cover plate 12 toward the bottom plate 11. As shown in the structure of FIG. 3, three horizontal support plates 16 are provided in the cavity 20 of the traction beam 1, namely a first horizontal support plate 161, a second horizontal support plate 162, and a third horizontal support plate 163, and along the cover In the direction of the plate 12 toward the bottom plate 11, the length of the three horizontal support plates 16 gradually becomes smaller; in the actual design process, the length of the three horizontal support plates 16 can be based on the specific space of the cavity 20 (eg, height, width, and length ) The size is set, that is, in the direction from the cover plate 12 toward the bottom plate 11, the lengths of the three horizontal support plates 16 may be gradually reduced, or the same length may be used, or may be gradually increased.

The at least two horizontal support plates 16 provided in the cavity 20 of the traction beam 1 can strengthen the structural strength and rigidity of the coupler panel 15 and at the same time, can also apply the force of the coupler to the coupler panel 15 through the horizontal support panel 16 is distributed and transmitted to the first vertical plate 13 and the second vertical plate 14, therefore, the additional horizontal support plate 16 can further improve the structural strength and rigidity of the traction beam 1, so that the force of the coupler can be quickly dispersed and transmitted, to avoid stress concentration To improve the compression resistance of the traction beam.

On the premise that the structural strength and stiffness meet the requirements, in order to reduce the weight of the traction beam 1 and thereby reduce the overall weight of the rail vehicle, a first weight reduction hole 164 is provided on the horizontal support plate 16, as shown in the structure of FIG. 3, in Three first weight reduction holes 164 are provided on the first horizontal support plate 161, two first weight reduction holes 164 are provided on the second horizontal support plate 162, and one first weight reduction is provided on the third horizontal support plate 163 Weight hole 164; the vertical support plate 17 is provided with a second weight reduction hole 173, as shown in the structure of FIGS. 4 and 10, a second weight reduction hole 173 is provided on the first vertical support plate 171, and The vertical support plate 172 is also provided with second weight-reducing holes 173; as shown in the structure of FIGS. 3 and 10, a plurality of third weight-reducing holes 111 are provided on the bottom plate 11.

Since the first weight reduction hole 164 is provided on the horizontal support plate 16, the second weight reduction hole 173 is provided on the vertical support plate 17, and the third weight reduction hole 111 is provided on the bottom plate 11, it can The weight-reducing hole reduces the weight of the traction beam 1 while saving materials and costs, which in turn reduces the weight of the entire rail vehicle.

In order to further improve the structural strength and rigidity of the traction beam 1 and thereby improve the compression resistance, a plurality of first reinforcing ribs 131 are welded on the surface of the first vertical plate 13 facing away from the second vertical plate 14. The top is welded to the cover plate 12 and the bottom is welded to the bottom plate 11; as shown in the structure of FIGS. 1, 2 and 5, on the side of the first vertical plate 13 close to the coupler panel 15 that faces away from the second vertical plate 14 A plurality of parallel first reinforcing ribs 131 are provided, and the first reinforcing ribs 131 are plate-shaped structures;

A plurality of second reinforcing ribs 141 are welded on the surface of the second vertical plate 14 facing away from the first vertical plate 13, the top of the second reinforcing rib 141 is welded to the cover plate 12, and the bottom is welded to the bottom plate 11. As shown in the structure of FIG. 1, FIG. 2 and FIG. 5, a plurality of parallel second reinforcing ribs 141 are welded on the surface of the second vertical plate 14 close to the coupler panel 15 facing away from the first vertical plate 13, the second reinforcing The rib 141 has a plate-like structure.

The plurality of first reinforcing ribs 131 provided on the surface of the first vertical plate 13 and the plurality of second reinforcing ribs 141 provided on the surface of the second vertical plate 14 can make the first vertical plate 13 and the second vertical plate The plate 14 is fixed to the bottom plate 11 and the cover plate 12 respectively, so that the connection structure between the first vertical plate 13, the second vertical plate 14, the bottom plate 11 and the cover plate 12 is more reliable and stable, and the structural strength and traction beam 1 are further improved Stiffness, especially when the first ribs 131 and the second ribs 141 are provided near the coupler panel 15, can improve the structural strength and rigidity near the coupler panel 15, improve the compression resistance of the coupler panel 15, and thus improve the traction beam 1. Reliability and safety.

In order to prevent the coupler from bouncing in the vertical direction, as shown in the structure of FIGS. 3 and 4, an anti-jumping frame body 18 is provided on both the first vertical plate 13 and the second vertical plate 14 in the installation space 19. The body 18 is used to prevent the coupler from jumping in the vertical direction. As shown in FIGS. 3, 4 and 5, the anti-jump frame 18 may include a plurality of plate-shaped structural members welded to the first vertical plate 13 and the second vertical plate 14, between the plurality of plate-shaped structural elements It is fixedly connected and formed in a shape matching the top of the coupler to limit the coupler in the vertical direction. In the embodiment of the present application, for the specific structure of the anti-jumping framework 18, refer to FIG. 3, FIG. 4, FIG. 5, FIG. 6, FIG. 8, and FIG. The specific structure of the anti-jump frame 18 is not specifically limited here, as long as it can limit the coupler in the vertical direction, and the specific structure can also be set according to the specific shape and parameters of the coupler.

Since an anti-jumping frame body 18 is provided in the installation space 19 where the coupler is installed, the anti-jumping frame body 18 limits the coupler in the vertical direction, restricting the freedom of movement of the coupler in the vertical direction and realizing the coupler and traction The fixed connection of the beam 1 can prevent the coupler from jumping in the vertical direction by the anti-jump frame 18 even when the coupler receives a large compressive force, and can also prevent the coupler from pairing by restricting the vertical jump of the coupler The destruction of the traction beam 1 further improves the safety and reliability of the traction beam 1.

Based on the various embodiments described above, as shown in the structure of FIGS. 1 and 4, a mounting hole 112 for mounting a coupler bracket is provided on the bottom of the bottom plate 11.

Since the bottom of the bottom plate 11 is provided with a mounting hole 112 for installing the coupler bracket, when installing the coupler, the coupler bracket can be conveniently installed on the bottom plate 11 through the mounting hole 112, which is beneficial to improve the coupler bracket installation Efficiency and convenience.

In addition, as shown in the structure of FIG. 3 and FIG. 4, on the first upright plate 13 and the second upright plate 14 in the installation space 19, a front slave seat plate 21 for installing a coupler is provided, and the front slave seat plate 21 is symmetrically arranged There are two, one of which is provided on the first vertical plate 13 and the other is provided on the second vertical plate 14.

Example 2

An embodiment of the present application further provides a rail vehicle, which includes any traction beam 1 as provided in the foregoing embodiment.

Rail vehicles use the above-mentioned traction beam 1. The traction beam 1 can improve the structural strength and rigidity, thereby improving the compression resistance, so that the rail vehicle can ensure the reliability and safety of each car body when receiving high compression force. At the same time, it is also conducive to improving the reliability and safety of the connection between the various car bodies, thereby improving the reliability and safety of the entire rail vehicle.

Although some optional embodiments of the present application have been described, those skilled in the art can make additional changes and modifications to these embodiments once they learn the basic inventive concept. Therefore, the appended claims are intended to be construed as including some optional embodiments and all changes and modifications falling within the scope of this application.

Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. In this way, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these modifications and variations.

Claims

A traction beam is characterized by comprising a bottom plate, a cover plate, a first vertical plate, a second vertical plate, a coupler plate, a horizontal support plate and a vertical support plate; wherein:

The cover plate and the bottom plate are oppositely arranged in the vertical direction;

The first vertical plate and the second vertical plate are oppositely arranged, and are both welded between the bottom plate and the cover plate;

The coupler panel is arranged in a vertical direction, one side surface is used to install a coupler, and the other side surface is used to install a horizontal support plate, the coupler panel and the bottom plate, the cover plate, the first upright plate Are welded to the second vertical plate, and an installation space is formed on the side of the coupler panel where the coupler is installed, and a cavity is formed on the other side of the coupler panel facing away from the coupler;

The horizontal support plate is located in the cavity, and is welded to the coupler panel, the first vertical plate, and the second vertical plate;

The vertical support plate is located in the cavity, and is welded to the cover plate, the first vertical plate, and the second vertical plate.
The traction beam according to claim 1, wherein at least two horizontal support plates are provided, and at least two horizontal support plates are arranged in parallel.
The traction beam according to claim 2, wherein the length of the horizontal support plate gradually changes from the cover plate toward the bottom plate.
The traction beam according to claim 3, wherein the length of the horizontal support plate gradually decreases.
The traction beam according to claim 1, wherein at least two vertical support plates are provided, and at least two vertical support plates are arranged in parallel.
The traction beam according to claim 5, wherein the vertical support plate is provided on a side of the cover plate away from the coupler panel.
The traction beam according to claim 1, wherein the horizontal support plate is provided with a first weight reduction hole; the vertical support plate is provided with a second weight reduction hole; and the bottom plate is provided with a third weight reduction hole.
The traction beam according to claim 1, wherein a plurality of first reinforcing ribs are welded on a surface of the first vertical plate facing away from the second vertical plate, and the top of the first reinforcing rib is The cover plate is welded and the bottom is welded to the bottom plate;

A plurality of second reinforcing ribs are welded on the surface of the second vertical plate facing away from the first vertical plate, the top of the second reinforcing rib is welded to the cover plate, and the bottom is welded to the bottom plate connection.
The traction beam according to any one of claims 1-8, wherein an anti-jumping frame body is provided on both the first vertical plate and the second vertical plate in the installation space, the The anti-jumping frame body is used to prevent the coupler from jumping in the vertical direction.
The traction beam according to any one of claims 1-8, wherein a mounting hole for mounting a coupler bracket is provided at the bottom of the bottom plate.
A rail vehicle, characterized by comprising the traction beam according to any one of claims 1-10.