CN202703612U - Railway vehicle car body traction beam device - Google Patents

Abstract

The utility model relates to a railway vehicle car body traction beam device which at least comprises a car coupler plate, an upper cover plate and a lower cover plate, wherein the car coupler plate is arranged between the upper cover plate and the lower cover plate and vertically fixed on the upper cover plate and the lower cover plate, and the upper cover plate is open on one end or two ends. Longitudinal force between the railway vehicle car body traction beam device and a floor section bar is transmitted by the upper cover plate, due to a special H-shape of the upper cover plate, the longitudinal force can be dispersed and stress concentration is avoided. The upper cover plate of the railway vehicle car body traction beam and the floor section bar are connected in welding mode or riveting mode, and therefore the floor section bar can achieve a through-length structure. The lower cover plate and a rib plate of the railway vehicle car body traction beam device are provided with overlap joints and convenient to assemble, and welding deformation can also be absorbed conveniently.

Description

Traction beam device for railway vehicle body

technical field

The utility model relates to a traction beam device for a railway vehicle body, which belongs to the field of machinery manufacturing.

Background technique

At present, domestic railway traffic is developing rapidly, the speed of vehicles is increasing continuously, and the force between vehicles is becoming more and more severe. Higher design and application requirements are put forward for the main component of the traction beam that transmits the force between vehicles.

The traction beam is the main component that transmits the force between vehicles and bears fatigue load. If it is not designed properly, it will cause stress concentration, and some interfaces will fail after a period of operation, causing accidents. Therefore, it is very important to design the traction beam structure reasonably.

In addition, the part other than the bolster beam of some aluminum alloy car bodies in China is made into an independent part. This part has the function of the traction beam, including small parts such as floor and coupler plate, and then the floor profile is connected with two independent parts. . Although the force level of the coupler plate has been improved in this way, the floor profile is not a full-length structure in the length direction of the entire chassis, which obviously does not give full play to the advantages of aluminum profiles, and the structure is complex, and the amount of welding is large, which increases the workload of chassis assembly.

Utility model content

The main purpose of the utility model is to solve the above problems and deficiencies, and to provide a traction beam device for a railway vehicle body, which has reasonable force and simple structure, and can realize the full-length structure of the floor profile of the vehicle body.

In order to achieve the above object, the technical solution of the utility model is:

A draw beam device for a railway vehicle body, comprising at least a coupler plate, an upper cover plate and a lower cover plate, the coupler plate is arranged between the upper cover plate and the lower cover plate, and is vertically fixed on the upper cover plate and the lower cover plate. The cover plate is open at one end or at both ends.

Further, the upper cover plate is a plate, and the upper cover plate has a “U”-shaped opening at one end or an “H”-shaped opening at both ends.

Further, one side of the coupler plate is provided with a front side plate or both sides of the coupler plate are provided with a front side plate and a rear side plate.

Further, the coupler plate is a profile or is formed by connecting two profiles.

Further, the coupler plate and the front side plate or the coupler plate, the front side plate and the rear side plate are arranged between the upper cover plate and the lower cover plate, and are vertically fixed on the upper cover plate and the lower cover.

Further, the coupler plate is provided with a circular opening close to the upper cover plate, and several installation holes for installing the coupler are provided on the periphery of the circular opening.

Further, the opening direction of the front side plate arranged on one side of the coupler plate or the front side plate and rear side plate arranged on both sides of the coupler plate is along the “U” or “H” opening The direction is set, the front side plate and the rear side plate are arranged symmetrically with respect to the vertical plane of the coupler plate, and the two front side plates arranged on both sides of the coupler plate are arranged in a “eight” shape, and the two The rear side panels are arranged in parallel, and the other end of the rear side panel is an arc-shaped end surface.

Further, there is a first terminal on one side of the coupler plate connected to the front side plate or a second terminal and a first terminal on both sides of the coupler plate, the second terminal is connected to the rear side plate, the The first terminal is connected to the front side board.

Further, the front side plate and the rear side plate arranged on the coupler plate are composed of at least one profile plate.

Further, the upper cover is connected to the floor profile of the car body, the fixed ribs on both sides are connected to the lower cover and the floor profile, and an adjustable lap joint is used between the lower cover and the rib .

To sum up, the traction beam device of the railway vehicle body described in the utility model realizes a full-length structure of the floor profile during use, and the force between the traction beam and the floor profile is dispersed through the H-shaped plate to avoid To avoid stress concentration, the bottom profile and the chassis adopt a lap joint, which is convenient for assembly and absorbs welding deformation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic cross-sectional view of the utility model;

The schematic diagram of Fig. 3 after the utility model is welded with the underframe;

Fig. 4 is the sectional view of the utility model after being welded with the underframe;

Fig. 5 is a schematic diagram of the interface between the lower part of the utility model and the chassis.

As shown in Figures 1 to 5, the upper cover plate 1, the coupler plate 2, the front side plate 3, the rear side plate 4, the lower cover plate 5, the rib plate 6, the end portion 7, the end portion 8, the second terminal 9, The first terminal 10 and the base profile 11 .

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

As shown in accompanying drawing 1, the utility model is a kind of draw beam device of railway car body, at least comprises upper cover plate 1, coupler plate 2 and lower cover plate 5. The coupler plate 2 is arranged between the upper cover plate 1 and the lower cover plate 5, and is vertically fixed on the upper cover plate 1 and the lower cover plate 5.

The front side plate 3 and the rear side plate 4 are arranged on both sides of the coupler plate 2 respectively, arranged symmetrically along the vertical plane in the coupler plate 2, and the connection methods are such as: welding, riveting, and the other end of the rear side plate 4 is an arc-shaped end face. The coupler plate 2, the front side plate 3, and the rear side plate 4 are arranged between the upper cover plate 1 and the lower cover plate 5, and are vertically connected on the upper cover plate 1 and the lower cover plate 5, and the connection methods are such as welding and riveting.

Wherein, the upper cover plate 1 is an aluminum plate in an "H" shape, and the upper cover plate 1 covers the upper part of the coupler plate 2, the front side plate 3 and the rear side plate 4 by means of connection, and the front side plate 3 and the rear side plate 4 are connected. The opening direction is set along the "H" type opening direction, and the lower cover plate 5 is a profile, which is connected to the coupler plate 2, the front side plate 3, and the bottom of the rear side plate 4, and the connection methods are such as welding and riveting. The upper cover plate 1 is in the shape of the letter H, and has rounded transitions to make the force transmission smoother. The H-shaped plate 1 divides the force into two to avoid stress concentration.

As shown in Figure 2, the coupler plate 2 includes at least one aluminum profile. In this embodiment, the coupler plate 2 includes two aluminum profiles. The aluminum profile includes an end 7 and an end 8. The ends of the two profiles Part 8 is formed coupler plate 2 by being connected, and connection mode is as: welding, riveting. The second terminal 9 and the first terminal 10 are arranged on the inner and outer sides of the coupler plate 2. The coupler plate 2 is connected to the rear side plate 4 through the second terminal 9, and the coupler plate 2 is connected to the front side plate 3 through the first terminal 10. The connection method Such as: welding, riveting. The two ends 7 that make up the coupler plate 2 are symmetrically arranged to form a special cross-sectional structure, which is connected to the front side plate 3 after being plugged in, forming a bell mouth shape, providing space for the coupler to rotate, and it is plugged into the rear side plate 4 After the connection, the force transmitted by the coupler is divided into two parts and transmitted.

As shown in accompanying drawing 1 and accompanying drawing 2, front side plate 3 and rear side plate 4 are profiles, between upper cover plate 1 and lower cover plate 5, front side plate 3 and rear side plate 4 comprise at least one profile plate Composition, this embodiment includes two profile plates, which are connected together by welding or riveting. Arc shape, so that the force is transmitted smoothly.

As shown in accompanying drawings 1 and 3, the lower cover plate 5 is a profile, which is connected to the bottom of the coupler plate 2, the front side plate 3, and the rear side plate 4, and the fixed ribs 6 on both sides connect the lower cover plate 5 and the floor profile 11 , the components are connected to form a structure similar to a box, and the connection methods are: welding, riveting.

The traction beam device of the railway vehicle body is connected to the car body floor profile 11 through the upper cover plate 1, and the connection method is such as: welding, riveting, and the car body floor profile realizes a full-length structure.

As shown in accompanying drawings 3, 4 and 5, an adjustable lap joint is used between the lower cover plate 5 and the rib plate 6 to absorb various welding deformations and assembly errors.

As mentioned above, a similar technical solution can be derived in combination with the solutions presented in the drawings and the embodiments. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model without departing from the content of the technical solution of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. railroad car draw beam device, it is characterized in that: described railroad car draw beam device comprises hitch plate (2), upper cover plate (1) and lower cover (5) at least, hitch plate (2) is arranged between upper cover plate (1) and the lower cover (5), vertically be fixed on upper cover plate (1) and the lower cover (5) upper cover plate (1) one end opening or both ends open.

2. railroad car draw beam device according to claim 1, it is characterized in that: described upper cover plate (1) is sheet material, described upper cover plate (1) one end opening is " U " type or both ends open is " H " type.

3. railroad car draw beam device according to claim 1, it is characterized in that: described hitch plate (2) one sides are provided with front side plate (3) or described hitch plate (2) both sides are provided with front side plate (3) and rear quarter panel (4).

4. railroad car draw beam device according to claim 1 is characterized in that: described hitch plate (2) is a section bar or is connected and composed by two blocks of section bars.

5. railroad car draw beam device according to claim 3, it is characterized in that: described hitch plate (2) and described front side plate (3) or described hitch plate (2), front side plate (3) and rear quarter panel (4) are arranged between described upper cover plate (1) and the described lower cover (5), vertically are fixed on described upper cover plate (1) and the described lower cover (5).

6. railroad car draw beam device according to claim 1 is characterized in that: described hitch plate (2) locates to be provided with a circular open near described upper cover plate (1), is provided with the mounting hole that several are used for installing hitch in the circular open periphery.

7. railroad car draw beam device according to claim 3, it is characterized in that: be arranged on the described front side plate (3) of described hitch plate (2) one sides or be arranged on the described front side plate (3) of described hitch plate (2) both sides, the opening direction of rear quarter panel (4) arranges along " U " type or " H " type opening direction, described front side plate (3) and rear quarter panel (4) are symmetrical arranged about the middle vertical plane of described hitch plate (2), two the described front side plates (3) that are arranged on described hitch plate (2) both sides adopt " eight " set up of character patt ern, two described rear quarter panels (4) be arranged in parallel, and the other end of described rear quarter panel (4) is curved end.

8. railroad car draw beam device according to claim 7, it is characterized in that: described hitch plate (2) one sides have the first terminal (10) to be connected with described front side plate (3) or there are the second terminal (9) and the first terminal (10) in described hitch plate (2) both sides, described the second terminal (9) is connected with described rear quarter panel (4), and described the first terminal (10) is connected with described front side plate (3).

9. railroad car draw beam device according to claim 3, it is characterized in that: the described front side plate (3), the rear quarter panel (4) that are arranged on described hitch plate (2) are made of a profile plate at least.

10. railroad car draw beam device according to claim 1, it is characterized in that: described upper cover plate (1) is connected with car body floor section bar (11), both sides fixedly floor (6) connect described lower cover (5) and described floor profile (11), adopt adjustable overlap joint interface between described lower cover (5) and the described floor (6).

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