CN215154609U

CN215154609U - Composite material vehicle body shoulder connecting structure

Info

Publication number: CN215154609U
Application number: CN202121238114.1U
Authority: CN
Inventors: 谈源; 常忠伟; 周敏杰; 余鹏; 解恩泽; 王小清
Original assignee: Changzhou New Intelligent Technology Co Ltd
Current assignee: Changzhou New Intelligent Technology Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-14
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the technical field of rail transit, in particular to a composite material vehicle body shoulder connecting structure, which comprises a vehicle roof and side walls arranged on two sides of the vehicle roof, wherein a connecting beam is arranged at the joint of the vehicle roof and the side walls, the connecting beam is arranged on the inner side of the vehicle body and is fixedly connected with the vehicle roof and the side walls respectively, and the vehicle roof and the side walls are firmly connected with each other through the connecting beam; roof, side wall and tie-beam all set up along automobile body length direction, and all adopt combined material pultrusion, and roof and side wall include roof and the curb plate that sets up along automobile body length direction respectively, and equal cladding has outer covering and interior covering on roof and curb plate, is provided with mosaic structure at the contact jaw of roof and curb plate. The connecting beam is additionally arranged to realize stable connection of the roof and the three modules of the two side walls, the bearing capacity of the shoulder area of the vehicle body can be enhanced, and the stability of the whole structure of the vehicle body is improved.

Description

Composite material vehicle body shoulder connecting structure

Technical Field

The utility model relates to a track traffic technical field especially relates to a compound material automobile body shoulder connection structure.

Background

At present, most of train bodies are made of aluminum alloy materials, a train base is a steel underframe, the aluminum alloy train bodies and the steel underframe are connected through riveting, and the metal train bodies are prone to corrosion and not beneficial to light weight. The composite material has the characteristics of light weight, high strength, corrosion resistance, fatigue resistance and the like, for example, the strength and the rigidity of the carbon fiber reinforced composite material are obviously superior to those of an aluminum alloy material used on the existing railway train.

The application of the composite material is an important development trend for developing the whole train body of the light-weight high-performance rail train and is also one of important ways for reducing the weight of the train. The side wall, the roof and the end wall are molded by the composite material, so that the weight of the train body is reduced to a great extent, and the running speed of the train is further increased. In the process of splicing the side wall and the roof of the material, the shoulder is used as an important area for transferring the dead weight load of the vehicle body and bearing the aerodynamic load, and the structural stability of the shoulder can directly influence the safety performance of the whole vehicle body.

In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the engineering of such products is applied for many years, so as to create a composite material vehicle body shoulder connecting structure, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a compound material automobile body shoulder connection structure to the defect that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a composite vehicle body shoulder attachment structure comprising: the automobile comprises a vehicle roof and side walls arranged on two sides of the vehicle roof, wherein a connecting beam is arranged at the connecting position of the vehicle roof and the side walls, the connecting beam is arranged on the inner side of the vehicle body and fixedly connected with the vehicle roof and the side walls respectively, and the vehicle roof and the side walls are firmly connected through the connecting beam;

the roof the side wall with the tie-beam all sets up along automobile body length direction, and all adopts combined material pultrusion, the roof with the side wall includes roof and the curb plate that sets up along automobile body length direction respectively the roof with all the cladding has outer covering and interior covering on the curb plate the roof with the contact jaw of curb plate is provided with mosaic structure.

Further, the outer skin comprises a first outer skin and a second outer skin which are respectively arranged on the top plate and the side plate, and the inner skin comprises a first inner skin and a second inner skin which are respectively arranged on the top plate and the side plate.

Furthermore, the splicing structure comprises a step and an access plate, wherein the step and the access plate are adapted and respectively arranged on the outer surfaces of the side wall and the roof.

Further, at the joint of the vehicle roof and the side wall, the first outer skin and the second outer skin extend and wrap towards the inner wall of the vehicle body;

the first inner skin and the second inner skin respectively extend the first outer skin and the second outer skin to the inner wall section to cover.

Furthermore, the butt strap is formed by folding the first outer skin, and the second outer skin wraps the step along the outline of the end part of the side plate.

Furthermore, a cavity is arranged along the length direction of the connecting beam, the cavity comprises a first part, a second part and a third part, the second part and the third part are arranged on two sides of the first part, the first part comprises an upper part and a lower part, and the lower part is arranged close to the inner wall of the vehicle body;

the first part is located at the joint of the roof and the side wall, and the second part and the third part are respectively located on the inner walls of the roof and the side wall.

Furthermore, wing plates extend from the two sides of the second part and the third part of the joint surface of the connecting beam and the inner wall of the vehicle body, and are arranged along the length direction of the vehicle body and are jointed with the inner wall of the vehicle body.

Furthermore, a reinforcing rib is arranged in the upper part of the connecting beam, and the reinforcing rib is arranged along the length direction of the connecting beam.

Further, a sealing piece is arranged at the connecting position of the end parts of the vehicle roof and the side wall.

The utility model has the advantages that: this application realizes the firm connection to three big modules of roof and both sides wall through addding the tie-beam, and the tie-beam can also strengthen the regional bearing capacity of automobile body shoulder, improves automobile body overall structure's stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 view of a composite material vehicle body shoulder connecting structure in an embodiment of the present invention;

FIG. 2 is a partial enlarged view of the splicing structure in the embodiment of the present invention;

fig. 3 is a schematic structural view of a connection beam in an embodiment of the present invention.

Reference numerals: 1. a vehicle roof; 11. a top plate; 12. a first outer skin; 13. a first inner skin; 2. a side wall; 21. a side plate; 22. a second outer skin; 23. a second inner skin; 3. a connecting beam; 31. a first portion; 311. an upper portion; 312. a lower portion; 313. reinforcing ribs; 32. a second portion; 33. a third portion; 34. a wing plate; 4. splicing structures; 41. a step; 42. a butt strap; 5. and a seal.

Detailed Description

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

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 invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the composite material vehicle body shoulder connecting structure includes a vehicle roof 1 and side walls 2 arranged on two sides of the vehicle roof 1, a connecting beam 3 is arranged at a connecting position of the vehicle roof 1 and the side walls 2, the connecting beam 3 is arranged on the inner side of the vehicle body and is fixedly connected with the vehicle roof 1 and the side walls 2 respectively, and the vehicle roof 1 and the side walls 2 are firmly connected with each other through the connecting beam 3; roof 1, side wall 2 and tie-beam 3 all set up along automobile body length direction, and all adopt combined material pultrusion, and roof 1 and side wall 2 include roof 11 and the curb plate 21 that sets up along automobile body length direction respectively, all have cladding outer covering and interior covering on roof 11 and curb plate 21, are provided with mosaic structure 4 at the contact jaw of roof 11 and curb plate 21.

In this application, through adopting tie-beam 3 to realize the firm connection between roof 1 and the side wall 2, tie-beam 3 sets up along automobile body length direction, sets up to combined material pultrusion structure, in the implementation, realizes the fixed connection of tie-beam 3 and roof 1 and side wall 2 through the rivet. The roof 1 and the side wall 2 both adopt a structure of section plate coating skins, so that the overall structure of the car body is more stable, and the skins not only can protect and beautifully act on the main structure of the car body, but also can reinforce the cabin wall. The connecting beam 3 can also enhance the bearing capacity of the shoulder area of the vehicle body and improve the stability of the whole structure of the vehicle body.

In the present embodiment, the outer skins include first and second

outer skins

12 and 22 provided on the top panel 11 and the side panel 21, respectively, and the inner skins include first and second

inner skins

13 and 23 provided on the top panel 11 and the side panel 21, respectively. In the specific implementation process, as shown in fig. 2, at the joint of the roof 1 and the side wall 2, the first outer skin 12 and the second outer skin 22 extend and wrap towards the inner wall of the vehicle body; the first and second

inner skins

13 and 23 extend the first and second

outer skins

12 and 22, respectively, to the inner-wall section covering.

The end part of the connecting side of the top plate 11 and the side plate 21 is wrapped from outside to inside by the outer skin, the outer skin folded to the inner wall of the vehicle body is compressed by the inner skin, and finally the inner skin is compressed by the connecting beam 3. In the process of fixedly connecting the connecting beam 3 with the shoulder of the vehicle body through the rivet, the outer skin and the inner skin at the joint are fixed on the vehicle body in a pressure-equalizing manner, and the bearing capacity of the vehicle body in the shoulder area is enhanced.

Further, the splice structure 4 includes a step 41 and an abutment plate 42, and the step 41 and the abutment plate 42 are adapted and respectively disposed on the outer surfaces of the side wall 2 and the roof 1. In particular, the butt strap 42 is formed by folding over the first outer skin 12, and the second outer skin 22 wraps the step 41 along the end contour of the side panel 21.

The splicing structures 4 which are mutually embedded are arranged at the connecting ends of the roof 1 and the side walls 2, so that the roof 1 and the side walls 2 can be conveniently installed. Further, a seal 5 is provided at the junction of the roof 1 and the end of the side wall 2. The sealing element 5 is made of sealing polymer and is formed at the joint of the roof 1 and the side wall 2 in a thermosetting mode, and the sealing of the internal environment of the vehicle body is achieved.

In the present embodiment, a cavity is provided along the length direction of the connecting beam 3, the cavity includes a first portion 31, and a second portion 32 and a third portion 33 provided on both sides thereof, the first portion 31 includes an upper portion 311 and a lower portion 312, and the lower portion 312 is provided near the inner wall of the vehicle body; the first portion 31 is located at the junction of the roof 1 and the side wall 2, and the second portion 32 and the third portion 33 are located at the inner walls of the roof 1 and the side wall 2, respectively.

Specifically, along a plurality of cavitys of 3 length direction settings of tie-beam along 3 integrated into one piece of tie-beam, save material just can promote bearing capacity. The first part 31 in the cavity is located in the middle, the second part 32 and the third part 33 are symmetrically arranged on two sides, the mechanism is reasonable, and the connecting stability of the roof 1 and the side wall 2 can be effectively enhanced. Flanges 34 extend from the surfaces of the bridge 3 that abut against the inner wall of the vehicle body toward both sides of the second portion 32 and the third portion 33, and the flanges 34 are disposed along the longitudinal direction of the vehicle body and abut against the inner wall of the vehicle body. The fixed connection between the connecting beam 3 and the roof 1 and the side wall 2 is convenient to realize, rivets are arranged at the wing plates 34 to fix the connecting beam 3 to the joint of the roof 1 and the side wall 2, the stable connection of the roof 1 and the three modules of the two side walls 2 is realized, the bearing capacity of the shoulder area of the vehicle body can be enhanced, and the stability of the whole structure of the vehicle body is improved.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A composite material vehicle body shoulder connecting structure is characterized by comprising: the automobile roof comprises a roof (1) and side walls (2) arranged on two sides of the roof, wherein a connecting beam (3) is arranged at the connecting position of the roof (1) and the side walls (2), the connecting beam (3) is arranged on the inner side of an automobile body and fixedly connected with the roof (1) and the side walls (2) respectively, and the roof (1) and the side walls (2) are firmly connected through the connecting beam (3);

roof (1) side wall (2) with tie-beam (3) all set up along automobile body length direction, and all adopt combined material pultrusion, roof (1) with side wall (2) are respectively including roof (11) and curb plate (21) that set up along automobile body length direction roof (11) with all the cladding has outer covering and inner covering on curb plate (21) roof (11) with the contact jaw of curb plate (21) is provided with mosaic structure (4).

2. Composite car body shoulder connection according to claim 1, characterized in that the outer skin comprises a first outer skin (12) and a second outer skin (22) provided on the top panel (11) and the side panel (21), respectively, and the inner skin comprises a first inner skin (13) and a second inner skin (23) provided on the top panel (11) and the side panel (21), respectively.

3. Composite car body shoulder connection according to claim 2, characterized in that the splicing structure (4) comprises a step (41) and a butt strap (42), the step (41) and the butt strap (42) being adapted and arranged on the outer surface of the side wall (2) and the roof (1), respectively.

4. Composite vehicle body shoulder connection according to claim 3, characterized in that at the connection of the roof (1) to the side wall (2), the first outer skin (12) and the second outer skin (22) each extend over towards the inner wall of the vehicle body;

the first inner skin (13) and the second inner skin (23) respectively extend the first outer skin (12) and the second outer skin (22) to cover the inner wall section.

5. Composite car body shoulder connection according to claim 4, characterized in that the butt strap (42) is formed by folding over the first outer skin (12), the second outer skin (22) enveloping the step (41) along the end profile of the side panel (21).

6. The composite vehicle body shoulder connecting structure according to claim 2, wherein a cavity is provided along a length direction of the connecting beam (3), the cavity comprises a first portion (31) and a second portion (32) and a third portion (33) provided at both sides thereof, the first portion (31) comprises an upper portion (311) and a lower portion (312), and the lower portion (312) is provided near an inner wall of a vehicle body;

the first part (31) is located at the joint of the roof (1) and the side wall (2), and the second part (32) and the third part (33) are located at the inner walls of the roof (1) and the side wall (2), respectively.

7. The composite vehicle body shoulder connecting structure according to claim 6, wherein a wing plate (34) extends from the abutting surface of the connecting beam (3) and the inner wall of the vehicle body to both sides of the second portion (32) and the third portion (33), and the wing plate (34) is arranged along the length direction of the vehicle body and abuts against the inner wall of the vehicle body.

8. Composite vehicle body shoulder connection according to claim 6, characterized in that a reinforcement rib (313) is provided in the upper part (311), the reinforcement rib (313) being provided in the length direction of the connecting beam (3).

9. Composite vehicle body shoulder connection according to claim 1, characterized in that a seal (5) is provided at the end connection of the roof (1) and the side wall (2).