CN216508335U

CN216508335U - Connecting structure of end wall and vehicle body

Info

Publication number: CN216508335U
Application number: CN202120994853.7U
Authority: CN
Inventors: 谈源; 王小清; 周敏杰; 常忠伟; 解恩泽
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2022-05-13
Anticipated expiration: 2031-05-11

Abstract

The utility model relates to the technical field of railway vehicles, in particular to a connecting structure of an end wall and a vehicle body, which comprises a vehicle body and the end wall connected with the vehicle body, wherein the end wall comprises an upper wall plate and a side wall plate, the outer surface of the vehicle body is flush with the upper wall plate and is fixedly connected with the side wall plate through a connecting ring beam, the connecting ring beam is in a U-shaped structure and is embedded into the end part of the vehicle body, a first contact surface and a second contact surface are arranged on the connecting ring beam, the first contact surface and the second contact surface are vertically arranged, the first contact surface is riveted on a cross beam in the end wall, the second contact surface is embedded into the vehicle body, a plurality of embedded parts are arranged at one end, close to the end wall, of the vehicle body, and the second contact surface is riveted and fixed with the embedded parts. According to the utility model, through the arrangement of the embedded part and the connecting ring beam, the assembly error is reduced, the mounting precision is improved, and the stability and the reliability of connection when bearing load are ensured.

Description

Connecting structure of end wall and vehicle body

Technical Field

The utility model relates to the technical field of railway vehicles, in particular to a connecting structure of a headwall and a vehicle body.

Background

The end wall is generally arranged between two sections of carriages, the two sides of the end wall are connected with the side wall of the carriage body, the outer edge of the top of the end wall is connected with the roof, and the bottom of the end wall is connected with the underframe.

In the prior art, the end wall is provided with the scrap (bridge) which is butted with the side wall of the vehicle body, the connection between the end wall and the vehicle body is realized in a ring beam riveting and fixing mode, but the end wall and the vehicle body are not positioned easily during installation, so that the assembly error is increased, the installation precision is low, and the connection stability and reliability are difficult to ensure when bearing load.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the connecting structure of the end wall and the vehicle body reduces assembly errors, improves installation accuracy, and ensures stability and reliability when bearing load.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a connection structure of headwall and automobile body, including the automobile body and with the headwall of automobile body connection, the headwall includes top wall board and side wall board, the automobile body surface with the top wall board parallel and level, and through the connecting ring roof beam with side wall board fixed connection, its characterized in that, be equipped with first contact surface and second contact surface on the connecting ring roof beam, first contact surface with the second contact surface sets up perpendicularly, first contact surface riveting is in on the inside crossbeam of headwall, the embedding of second contact surface in the automobile body, the automobile body is close to the one end of headwall is equipped with a plurality of built-in fittings, second contact surface and a plurality of built-in fittings riveting fixed.

Furthermore, the connecting ring beam comprises a plurality of connecting boxes, the connecting boxes are formed by carbon fiber composite materials, and the connecting boxes are integrally formed by wet skins in a curing mode.

Further, the connecting box comprises an L-shaped plate and two reinforcing ribs, and the two reinforcing ribs are fixed at two end parts of the L-shaped plate.

Further, the contained angle of L template is the right angle, just the L template includes arc L template and straight L template.

Furthermore, the arc-shaped L-shaped plate is connected with the vehicle body, the second contact surface is arc-shaped along the length direction, and the straight L-shaped plate is connected with the vehicle body, and the second contact surface is linear along the length direction.

Furthermore, the embedded part is of a U-shaped structure, and the opening direction of the embedded part deviates from the side wall plate of the end wall.

Furthermore, an inner skin on the vehicle body extends into an opening of the embedded part, one side edge of the embedded part, which is close to the connecting ring beam, compresses the inner skin, and the second contact surface penetrates through the inner skin through a rivet to be fixedly connected with the embedded part.

Furthermore, the embedded part is integrally formed by bending stainless steel materials.

The utility model has the beneficial effects that: according to the utility model, through the arrangement of the embedded part and the connecting ring beam, the assembly error is reduced, the mounting precision is improved, and the stability and the reliability of connection when bearing load are ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a connecting ring beam according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is a schematic structural view of a junction box according to an embodiment of the present invention;

FIG. 5 is a schematic view of the connection of the ring beam to the headwall and the vehicle body in an embodiment of the present invention.

Reference numerals: 1. a vehicle body; 2. an end wall; 21. a top wall panel; 22. a side wall panel; 3. connecting the ring beam; 31. a first contact surface; 32. a second contact surface; 33. a connection box; 331. an L-shaped plate; 331a, an arc L-shaped plate; 331b, a straight L-shaped plate; 332. reinforcing ribs; 4. an embedded part.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The connecting structure of the end wall and the vehicle body shown in fig. 1 to 5 comprises a vehicle body 1 and an end wall 2 connected with the vehicle body 1, wherein the end wall 2 comprises an upper wall plate 21 and a side wall plate 22, the outer surface of the vehicle body 1 is flush with the upper wall plate 21 and is fixedly connected with the side wall plate 22 through a connecting ring beam 3, a first contact surface 31 and a second contact surface 32 are arranged on the connecting ring beam 3, the first contact surface 31 and the second contact surface 32 are vertically arranged, the first contact surface 31 is riveted on a cross beam inside the end wall 2, the second contact surface 32 is embedded into the vehicle body 1, one end, close to the end wall 2, of the vehicle body 1 is provided with a plurality of embedded parts 4, and the second contact surface 32 is riveted and fixed with the embedded parts 4. In order to ensure the shape consistency of the vehicle body 1, the connecting ring beam 3 and the outer side surface of the ring beam close to the connecting surface of the vehicle body 1 are kept consistent in a streamline mode, the load bearing capacity of the vehicle body 1 is ensured, the stability and the reliability are improved, in addition, the embedded part 4 is arranged in the vehicle body 1, the time required by positioning during assembly is saved, and the assembly efficiency is improved. In order to increase the load bearing capacity of the upper edge beam, a plurality of embedded parts 4 are arranged in the vertical direction of the upper edge beam, and the connection reliability is improved. Compared with the prior art, the embedded part 4 and the connecting ring beam 3 are arranged, so that assembly errors are reduced, the mounting precision is improved, and the stability and the reliability of connection when a load is borne are ensured.

On the basis of the above embodiment, the connecting ring roof beam 3 includes a plurality of connecting boxes 33, connecting boxes 33 adopt the carbon-fibre composite shaping, a plurality of connecting boxes 33 are through wet covering integrated curing shaping, adopt a plurality of connecting boxes 33 to assemble, the degree of difficulty of connecting ring roof beam 3 integrated shaping has been reduced, make the shape of connecting ring roof beam 3 controllable, the reliability of connecting ring roof beam 3 overall structure has been improved, the connecting ring roof beam 3 integrated curing of completion will be assembled to rethread wet covering, need not to assemble through welding or mechanical mode, reduce the assembly process, further be favorable to reducing the accumulative error in the 1 assembling process of automobile body, connecting ring roof beam 3 structure is more succinct, stability is higher.

To increase stability, the connection box 33 comprises, in particular, an L-shaped plate 331 and two reinforcing ribs 332, the two reinforcing ribs 332 being fixed to the two ends of the L-shaped plate.

Because the connection ring beam 3 is connected with the end wall 2 and the vehicle body 1, in order to prevent the deformation of the vehicle body 1 and the end wall 2 during connection, preferably, the included angle of the L-shaped plate 331 is a right angle, and the L-shaped plate 331 comprises an arc-shaped L-shaped plate 331a and a straight L-shaped plate 331b, and the structural design of the attached vehicle body ensures the shape stability of the vehicle body 1.

On the basis of the above embodiment, the second contact surface of the arc-shaped L-shaped plate 331a connected to the vehicle body is an arc line along the length direction, and the second contact surface of the straight L-shaped plate 331b connected to the vehicle body is a linear line along the length direction.

In the preferred embodiment of the present invention, the embedded parts 4 are U-shaped, and the opening direction of the embedded parts 4 is away from the side wall plate 22 of the end wall 2.

In order to obtain the position accuracy of the embedded part 4 and improve the connection reliability of the embedded part 4, the inner skin on the vehicle body 1 extends into the opening of the embedded part 4, one side edge of the embedded part 4 close to the connecting ring beam 3 compresses the inner skin, and the second contact surface 32 penetrates through the inner skin through a rivet to be fixedly connected with the embedded part 4. And the inner skin of the vehicle body is tightly pressed through one side edge of the embedded part 4, so that the embedded part 4 is firmly connected in the vehicle body.

In order to increase the connection reliability and the stability and reliability when bearing load, the embedded part 4 is integrally formed by bending stainless steel.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A connecting structure of an end wall and a vehicle body comprises the vehicle body (1) and the end wall (2) connected with the vehicle body (1), the end wall (2) comprises an upper wall plate (21) and a side wall plate (22), the outer surface of the vehicle body (1) is flush with the upper wall plate (21) and is fixedly connected with the side wall plate (22) through a connecting ring beam (3), it is characterized in that the connecting ring beam (3) is provided with a first contact surface (31) and a second contact surface (32), the first contact surface (31) is arranged perpendicular to the second contact surface (32), the first contact surface (31) is riveted to a cross beam inside the end wall (2), the second contact surface (32) is embedded in the vehicle body (1), one end of the vehicle body (1) close to the end wall (2) is provided with a plurality of embedded parts (4), the second contact surface (32) is riveted and fixed with the embedded parts (4).

2. The end wall and vehicle body connecting structure according to claim 1, wherein the connecting ring beam (3) comprises a plurality of connecting boxes (33), the connecting boxes (33) are formed by carbon fiber composite materials, and the connecting boxes (33) are integrally formed by wet skins in a curing mode.

3. A connection structure of a headwall and a vehicle body as defined in claim 2, wherein the connection box (33) includes an L-shaped plate (331) and two reinforcing bars (332), the two reinforcing bars (332) being fixed to both end portions of the L-shaped plate (331).

4. A connection structure of end wall and car body according to claim 3, characterized in that the included angle of said L-shaped plate (331) is a right angle, and said L-shaped plate (331) comprises an arc L-shaped plate (331a) and a straight L-shaped plate (331 b).

5. The headwall and vehicle body connecting structure according to claim 4, wherein the second contact surface (32) of the curved L-shaped board (331a) connected to the vehicle body (1) is formed in a circular arc shape along the length direction, and the second contact surface (32) of the straight L-shaped board (331b) connected to the vehicle body (1) is formed in a linear shape along the length direction.

6. The headwall and vehicle body coupling structure of claim 1, wherein the embedded part (4) is of a U-shaped configuration, and the embedded part (4) is opened in a direction away from the side wall panel (22) of the headwall (2).

7. The headwall and vehicle body connecting structure according to claim 6, wherein an inner skin on the vehicle body (1) extends into an opening of the embedded part (4), one side of the embedded part (4) close to the connecting ring beam (3) presses the inner skin, and the second contact surface (32) penetrates through the inner skin through rivets to be fixedly connected with the embedded part (4).

8. The headwall and vehicle body connecting structure as defined in claim 7, wherein the embedded part (4) is integrally formed by bending stainless steel.