Wall structure, vehicle body and railway vehicle

Abstract

The utility model relates to the field of railway vehicles, and provides a wall structure, a vehicle body and a railway vehicle. A side wall structure in the wall body structure comprises a first side wall unit, a second side wall unit and a third side wall unit which are sequentially connected, each of the first side wall unit and the third side wall unit comprises at least two door stand columns, and the second side wall unit comprises a composite board; the end wall structure comprises an end top camber beam and stand column combination body, an end wall plate and a cross beam and stand column combination body, the end top camber beam and stand column combination body is arranged on the outer side of the end wall plate, and the cross beam and stand column combination body is arranged in the end wall plate. According to the wall body structure, the vehicle body and the railway vehicle, the side wall structure adopts a double-door stand column structure instead of a single-door stand column, and adopts a composite board structure instead of an original wall board; the cross beam and stand column combination body provides support for the end wall plate and is matched with the end top bent beam and stand column combination body to form an overall frame of the end wall, high supporting performance and bearing capacity are provided, and the structural strength and the structural stability are enhanced.

Description

Technical Field

[0001] The utility model relates to the field of rail vehicles and provides a wall structure, a vehicle body and a rail vehicle. Background Art

[0002] Hydrogen trams differ from conventional trams in that all equipment must be mounted overhead. This places stringent demands on the overall structural performance of the carriages, requiring the walls to possess sufficient load-bearing capacity. However, prior art lacks wall structures designed with the appropriate load-bearing capacity for these hydrogen trams, resulting in insufficient load-bearing capacity for the side and end walls and poor structural stability. Utility Model Content

[0003] The embodiments of the present invention provide a wall structure, a vehicle body and a rail vehicle, which are used to solve the defects of the related art such as insufficient bearing capacity of side walls and end walls and poor structural stability.

[0004] The utility model provides a wall structure, comprising: a side wall structure connected between the roof and the floor, and an end wall structure located at both ends of the carriage;

[0005] The side wall structure includes: a first side wall unit, a second side wall unit and a third side wall unit connected in sequence, the first side wall unit and the third side wall unit each include: at least two door pillars, the second side wall unit includes: a composite board;

[0006] The end wall structure includes: an end top curved beam column assembly, an end wall plate and a cross beam column assembly. The end top curved beam column assembly is arranged on the outside of the end wall plate, and the cross beam column assembly is arranged inside the end wall plate.

[0007] According to one embodiment of the present invention, the first side wall unit and the third side wall unit further include: a first reinforcing plate and a second reinforcing plate, which are arranged at intervals between the two door pillars, the first reinforcing plate being arranged at one end of the interval between the two door pillars, and the second reinforcing plate being arranged at the other end of the interval between the two door pillars.

[0008] According to one embodiment of the present invention, the second side wall unit further includes:

[0009] skeleton;

[0010] The bonding seat has one end fixed to the frame and the other end bonded to the composite board.

[0011] According to an embodiment of the present invention, the bonding seat includes: a base and a supporting boss connected to the base, the base and the frame are fixed by resistance spot welding, and the surface of the supporting boss is bonded to the composite plate by an adhesive.

[0012] According to one embodiment of the present invention, the end top curved beam column assembly includes: a first end corner column, an end top curved beam and a second end corner column connected in sequence, a first reinforcement structure is provided at the connection between the first end corner column and the end top curved beam, and a second reinforcement structure is provided at the connection between the end top curved beam and the second end corner column.

[0013] According to one embodiment of the present invention, the first reinforcement structure includes:

[0014] a third reinforcing plate provided on the front facade side and / or the rear facade side of the connection between the first end corner column and the end top curved beam;

[0015] a fourth reinforcing plate, provided on the inner side surface of the connection between the first end corner column and the end top curved beam;

[0016] The second reinforcement structure includes:

[0017] a fifth reinforcing plate provided on the front facade side and / or the rear facade side of the connection between the end top curved beam and the second end corner column;

[0018] The sixth reinforcing plate is provided on the inner side surface of the connection between the end top curved beam and the second end corner column.

[0019] According to one embodiment of the present invention, both of the door columns are formed with a first bent connecting plate, and both the first end corner column and the second end corner column are formed with a second bent connecting plate, and the first bent connecting plate and the second bent connecting plate are connected in an adjustable overlapping position along the length direction and / or the width direction of the car body.

[0020] According to one embodiment of the present invention, the beam-column combination includes: a first column, a first beam and a second column connected in sequence, a first support beam is provided between the first column and the first beam, and a second support beam is provided between the first beam and the second column.

[0021] According to one embodiment of the present invention, the beam-column assembly further comprises:

[0022] a first connecting beam, provided at an end of the first column away from the first crossbeam, and a third supporting beam provided between the first connecting beam and the first column;

[0023] A second connecting beam is provided at one end of the second column away from the first crossbeam, and a fourth supporting beam is provided between the second connecting beam and the second column.

[0024] According to one embodiment of the present invention, the beam-column assembly further comprises:

[0025] A plurality of second cross beams are arranged along the extension direction of the first column and the second column, and are respectively connected between the first column and the end top curved beam column assembly and between the second column and the end top curved beam column assembly;

[0026] A plurality of supporting columns are arranged along the extension direction of the first crossbeam and are respectively connected to the first crossbeam.

[0027] The present utility model further provides a vehicle body, comprising: the wall structure in the above embodiment of the present utility model.

[0028] The present invention further provides a rail vehicle, comprising: the wall structure in the above embodiment of the present invention, or the vehicle body in the above embodiment of the present invention.

[0029] The utility model provides a wall structure, which includes: a side wall structure connected between the roof and the floor and an end wall structure located at both ends of the car body; the side wall structure includes: a first side wall unit, a second side wall unit and a third side wall unit connected in sequence, the first side wall unit and the third side wall unit each include: at least two door columns, the second side wall unit includes: a composite board; the end wall structure includes: an end top curved beam column assembly, an end wall board and a cross beam column assembly, the end top curved beam column assembly is arranged on the outside of the end wall board, and the cross beam column assembly is arranged on the inside of the end wall board. The utility model provides a wall structure, in which the side wall structure adopts a double door column structure to replace the single door column structure in the prior art, and adopts a composite board structure to replace the original wall board, providing stronger support performance, enhancing structural strength and strengthening structural stability; the cross beam column assembly provides support for the end wall board, and cooperates with the end top curved beam column assembly to form an overall frame of the end wall, thereby improving bearing capacity and structural strength.

[0030] Furthermore, the present invention provides a vehicle body, which includes the wall structure in the above embodiment of the present invention, and therefore has the same advantages as above.

[0031] Furthermore, the present invention provides a rail vehicle, which includes the wall structure or vehicle body in the above-mentioned embodiment of the present invention, and therefore has the same advantages as above. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0033] Figure 1 It is a structural schematic diagram of the side wall structure provided in one embodiment of the present utility model.

[0034] Figure 2 It is a structural schematic diagram of the end wall structure provided in one embodiment of the present utility model.

[0035] Figure 3 It is a structural schematic diagram of the second side wall unit provided in one embodiment of the present utility model.

[0036] Figure 4 It is a structural schematic diagram of an adhesive seat provided in one embodiment of the present utility model.

[0037] Figure 5 It is a structural schematic diagram of an end-top curved beam-column assembly provided in one embodiment of the present utility model.

[0038] Figure 6 It is a structural schematic diagram of a first bent connecting plate and a second bent connecting plate provided in one embodiment of the present utility model.

[0039] Figure 7 yes Figure 5 A partial enlarged view of part A.

[0040] Figure 8 It is a structural schematic diagram of a beam-column assembly provided in one embodiment of the present utility model.

[0041] Reference numerals:

[0042] 100: First side wall unit; 101: Door column; 102: First reinforcement plate; 103: Second reinforcement plate; 104: First bent connecting plate; 200: Second side wall unit; 201: Composite plate; 202: Frame; 203: Adhesive seat; 2031: Base; 2032: Support boss; 300: Third side wall unit; 400: End top curved beam and column assembly; 401: First end corner column; 402: Second end corner column; 403: End top curved beam; 404: Second bent connecting plate; 405: First reinforcement structure; 406: Second reinforcement structure; 4061: Fifth reinforcement plate; 4062: Sixth reinforcement plate; 500: End wall plate; 600: Beam-column assembly; 601: First column; 602: First beam; 603: Second column; 604: First support beam; 605: Second support beam; 606: First connecting beam; 607: Second connecting beam; 608: Second beam; 609: Support column; 610: Third support beam; 611: Fourth support beam. DETAILED DESCRIPTION

[0043] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0044] In the description of this embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing this embodiment and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this embodiment.

[0045] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of this embodiment, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0046] In this embodiment, unless otherwise specified or limited, the terms "disposed," "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they may refer to fixed or detachable connections, or integration; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this embodiment based on specific circumstances.

[0047] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is lower in level than the second feature.

[0048] like Figures 1 to 8 As shown, the utility model provides a wall structure. The wall structure includes: a side wall structure connected between the roof and the floor, and an end wall structure located at both ends of the vehicle body.

[0049] The side wall structure includes: a first side wall unit 100, a second side wall unit 200 and a third side wall unit 300 connected in sequence; the first side wall unit 100 and the third side wall unit 300 each include: at least two door columns 101; the second side wall unit 200 includes: a composite panel 201;

[0050] Among them, the end wall structure includes: an end top curved beam column assembly 400, an end wall panel 500 and a cross beam column assembly 600. The end top curved beam column assembly 400 is arranged on the outside of the end wall panel 500, and the cross beam column assembly 600 is arranged inside the end wall panel 500.

[0051] Specifically, the side wall structure is based on the attached Figure 1 As shown, it includes three side wall units (left, center, and right): the first side wall unit 100, the second side wall unit 200, and the third side wall unit 300. These three side wall units are connected by a top connecting beam. The first side wall unit 100 and the third side wall unit 300 are located on the left and right sides of the second side wall unit 200, respectively. They internally utilize a double door column 101 structure, replacing the single door column 101 structure used in the prior art. This provides stronger support and enhances structural stability. The second side wall unit 200 utilizes a composite panel 201 structure, replacing the original wall panel to enhance structural strength.

[0052] Preferably, the second side wall unit 200 in this embodiment adopts a sandwich panel structure, specifically an aluminum-plastic composite panel 201, with a layer of polyethylene board sandwiched between two thin aluminum alloy plates. It is lightweight, weather-resistant, has a high surface flatness, and a variety of colors. Compared with the original side wall panels, it achieves lightweighting of the vehicle body.

[0053] Specifically, the end wall structure is based on Figure 2As shown, it consists of an end top curved beam column assembly 400, an end wall panel 500 and a cross beam column assembly 600. The cross beam column assembly 600 provides support for the end wall panel 500 and cooperates with the end top curved beam column assembly 400 to form an overall frame of the end wall, thereby improving the bearing capacity and structural strength.

[0054] The utility model provides a wall structure, which includes: a side wall structure connected between the roof and the floor and an end wall structure located at both ends of the car body; the side wall structure includes: a first side wall unit 100, a second side wall unit 200 and a third side wall unit 300 connected in sequence, the first side wall unit 100 and the third side wall unit 300 both include: at least two door columns 101, the second side wall unit 200 includes: a composite panel 201; the end wall structure includes: an end top curved beam column assembly 400, an end wall panel 500 and a cross beam column assembly 600, the end top curved beam column assembly 400 is arranged on the outside of the end wall panel 500, and the cross beam column assembly 600 is arranged inside the end wall panel 500. The utility model provides a wall structure, in which the side wall structure adopts a double door column 101 structure on the one hand, replacing the single door column 101 structure in the prior art, and adopts a composite board 201 structure on the other hand, replacing the original wall panel, providing stronger supporting performance, enhancing structural strength, and strengthening structural stability; the beam-column assembly 600 provides support for the end wall panel 500, and cooperates with the end top curved beam-column assembly 400 to form an overall frame of the end wall, thereby improving the bearing capacity and structural strength.

[0055] In one embodiment of the present invention, the first side wall unit 100 and the third side wall unit 300 each further include a first reinforcing plate 102 and a second reinforcing plate 103, spaced apart between the two door pillars 101. The first reinforcing plate 102 is disposed at one end of the space between the two door pillars 101, and the second reinforcing plate 103 is disposed at the other end of the space between the two door pillars 101. Two reinforcing plates are disposed along the height between the two door pillars 101 within the first side wall unit 100 and the third side wall unit 300, respectively. Specifically, the first reinforcing plate 102 is disposed at the upper end between the two door pillars 101, and the second reinforcing plate 103 is disposed at the lower end between the two door pillars 101. The upper and lower reinforcing plates enhance the connection strength between the two door pillars 101, thereby further improving the load-bearing capacity of the first side wall unit 100 and the third side wall unit 300. Preferably, the reinforcing plates are fixedly connected to the door pillars 101 by resistance spot welding.

[0056] In one embodiment of the present invention, the second sidewall unit 200 further includes a frame 202 and an adhesive base 203. One end of the adhesive base 203 is fixed to the frame 202, and the other end is bonded to the composite panel 201. Specifically, the adhesive base 203 is connected to the frame 202 via resistance spot welding and to the composite panel 201 via an adhesive. The frame 202 is connected to the composite panel 201 via the adhesive base 203, providing support and preventing deformation of the composite panel 201.

[0057] In one embodiment of the present invention, the bonding base 203 includes a base 2031 and a support boss 2032 connected to the base 2031. The base 2031 is fixed to the frame 202 by resistance spot welding, and the surface of the support boss 2032 is bonded to the composite panel 201 by adhesive. Specifically, the bonding base 203 consists of the base 2031 and the support boss 2032, forming a "J"-shaped structure. The bonding base 203 is made of 1.5 mm thick stainless steel plate. The support boss 2032 is stamped into the center of the base 2031 through heat treatment. The surface of the support boss 2032 is coated with adhesive and bonded to the composite panel 201. The base 2031 is fixed to the frame 202 by resistance welding. Multiple "J"-shaped bonding bases 203 are used to form multiple adhesive connections between the frame 202 and the composite panel 201 to ensure structural strength.

[0058] In one embodiment of the present invention, an end-top curved beam-column assembly 400 includes: a first end corner column 401, an end-top curved beam 403, and a second end corner column 402, which are sequentially connected. A first reinforcement structure 405 is provided at the connection between the first end corner column 401 and the end-top curved beam 403, and a second reinforcement structure 406 is provided at the connection between the end-top curved beam 403 and the second end corner column 402. Specifically, the first end corner column 401 and the second end corner column 402 are respectively located on the left and right sides of the end-top curved beam 403, and are arranged perpendicular to the end-top curved beam 403. The first end corner column 401 and the second end corner column 402 are respectively connected to the end-top curved beam 403 by arc welding via connecting plates. The first reinforcement structure 405 and the second reinforcement structure 406 are respectively located on the corresponding connecting plates. The reinforcement structures strengthen the connection strength between the first end corner column 401, the end-top curved beam 403, and the second end corner column 402.

[0059] In one embodiment of the present invention, the first reinforcement structure 405 includes: a third reinforcement plate and a fourth reinforcement plate. The third reinforcement plate is provided on the front facade side and / or the rear facade side of the connection between the first end corner column 401 and the end top curved beam 403; the fourth reinforcement plate is provided on the inner side surface of the connection between the first end corner column 401 and the end top curved beam 403. Specifically, the first reinforcement structure 405 has at least two types of reinforcement plates, one is provided on the front side and / or the rear side of the connecting plate, and the other is provided on the inner side of the connecting plate. The connecting plate can be an "L"-shaped plate. By providing the connecting plates on different sides, the structure of the connection is reinforced in multiple directions, thereby further improving the overall strength of the end top curved beam column assembly 400.

[0060] In one embodiment of the present invention, the second reinforcement structure 406 includes a fifth reinforcement plate 4061 and a sixth reinforcement plate 4062. The fifth reinforcement plate 4061 is located on the front and / or rear facade of the connection between the top curved beam 403 and the second end corner post 402; the sixth reinforcement plate 4062 is located on the inner side of the connection between the top curved beam 403 and the second end corner post 402. The fifth reinforcement plate 4061 is similar in structure and function to the third reinforcement plate in the above-mentioned embodiment, and the sixth reinforcement plate 4062 is similar in structure and function to the fourth reinforcement plate in the above-mentioned embodiment, except for the different placement locations. These details will not be repeated here.

[0061] In one embodiment of the present invention, both door posts 101 are formed with a first bent connecting plate 104, and both the first end corner post 401 and the second end corner post 402 are formed with a second bent connecting plate 404. The first bent connecting plate 104 and the second bent connecting plate 404 are connected in an adjustable overlapping position along the length direction and / or the width direction of the vehicle body. Preferably, two first bent connecting plates 104 extend from the door posts 101 of the first side wall unit 100 and the third side wall unit 300, and two second bent connecting plates 404 extend from the first end corner post 401 and the second end corner post 402. By docking the first bent connecting plates 104 with the second bent connecting plates 404, a rectangular structure is formed, i.e., Figure 6 In this embodiment, since the door pillars 101 and the end corner posts may have dimensional errors during processing, on the one hand, the overlapping position of the first bent connecting plate 104 and the second bent connecting plate 404 can be adjusted to avoid such errors, thereby facilitating the assembly of the side walls and end walls; on the other hand, the length and / or width of the carriage can be adjusted accordingly by adjusting the overlapping length.

[0062] In one embodiment of the present invention, a beam-column assembly 600 includes: a first column 601, a first beam 602, and a second column 603 connected in sequence, a first support beam 604 disposed between the first column 601 and the first beam 602, and a second support beam 605 disposed between the first beam 602 and the second column 603. Specifically, the first column 601 and the second column 603 are located on the left and right sides of the first beam 602, respectively. The first support beam 604 provides support between the first column 601 and the first beam 602, while the second support beam 605 provides support between the second column 603 and the first beam 602, thereby improving the overall strength of the beam-column assembly 600.

[0063] In one embodiment of the present invention, the beam-column assembly 600 further includes a first connecting beam 606 and a second connecting beam 607. The first connecting beam 606 is located at the end of the first column 601 away from the first beam 602, with a third support beam 610 disposed between the first connecting beam 606 and the first column 601. The second connecting beam 607 is located at the end of the second column 603 away from the first beam 602, with a fourth support beam 611 disposed between the second connecting beam 607 and the second column 603. Specifically, the first connecting beam 606 and the second connecting beam 607 are located at the bottom of the first column 601 and the second column 603, respectively. The first connecting beam 606 connects the first column 601 to the first end corner column 401, and the second connecting beam 607 connects the second column 603 to the second end corner column 402. The third support beam 610 provides support between the first connecting beam 606 and the first column 601 , and the fourth support beam 611 provides support between the second connecting beam 607 and the second column 603 , thereby further improving the overall strength of the beam-column assembly 600 .

[0064] As in the above embodiment, the small flange of the crossbeam is spot welded to the first and second pillars 601 and 603, and support beams are installed at the four internal corners to enhance structural stability. All components are connected via resistance spot welding. This structure has the following advantages: 1. It is highly manufacturable, with minimal deformation and ease of fabrication. 2. The crossbeam and pillars are in a "J" shape, which increases overall strength compared to a "Y" shape while also saving interior space.

[0065] In one embodiment of the present invention, the beam-column assembly 600 further includes: a plurality of second beams 608 and a plurality of support columns 609. The plurality of second beams 608 are arranged along the extension direction of the first column 601 and the second column 603, and are respectively connected between the first column 601 and the end-top curved beam-column assembly 400, and between the second column 603 and the end-top curved beam-column assembly 400. The plurality of support columns 609 are arranged along the extension direction of the first beam 602 and are respectively connected to the first beam 602. Specifically, the second beams 608 are located outside the first column 601 and the second column 603 and arranged parallel to the first beam 602. They are fixedly connected between the first column 601 / the second column 603 and the first end corner column 401 / the second end corner column 402 by arc welding, and are used to connect the beam-column assembly 600 and the end-top curved beam-column assembly 400. The support columns 609 are evenly spaced along the extension direction of the first beam 602, thereby enhancing the connection and support performance of the first beam 602. Preferably, six second beams 608 are provided on each of the first column 601 and the second column 603, that is, twelve second beams 608 are provided in total, and are evenly spaced; three support columns 609 are provided.

[0066] The present invention further provides a vehicle body, which comprises the wall structure in the above embodiment of the present invention.

[0067] The vehicle body provided by the present invention includes the wall structure in the above embodiment of the present invention, and therefore has the same advantages as above.

[0068] The present invention further provides a rail vehicle, which may be a passenger train, a freight train, a tram or a maglev train, etc. The rail vehicle comprises: the wall structure in the above embodiment of the present invention, or the vehicle body in the above embodiment of the present invention.

[0069] The present invention provides a rail vehicle, which includes the wall structure or vehicle body in the above-mentioned embodiment of the present invention, and therefore has the same advantages as above.

[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A wall structure, characterized in that: include: The side wall structure connected between the roof and the floor and the end wall structure located at both ends of the car; The side wall structure comprises: a first side wall unit (100), a second side wall unit (200), and a third side wall unit (300) connected in sequence; the first side wall unit (100) and the third side wall unit (300) each comprise: at least two door columns (101); the second side wall unit (200) comprises: a composite plate (201); The end wall structure comprises: an end top curved beam column assembly (400), an end wall plate (500), and a cross beam column assembly (600); the end top curved beam column assembly (400) is arranged outside the end wall plate (500), and the cross beam column assembly (600) is arranged inside the end wall plate (500).

2. The wall structure according to claim 1, characterized in that: The first side wall unit (100) and the third side wall unit (300) further comprise: a first reinforcing plate (102) and a second reinforcing plate (103), which are arranged at intervals between the two door columns (101), wherein the first reinforcing plate (102) is arranged at one end of the interval between the two door columns (101), and the second reinforcing plate (103) is arranged at the other end of the interval between the two door columns (101).

3. The wall structure according to claim 1, characterized in that: The second side wall unit (200) further comprises: skeleton (202); The bonding seat (203) has one end fixed to the frame (202) and the other end bonded to the composite plate (201).

4. The wall structure according to claim 3, characterized in that: The bonding seat (203) comprises: a base (2031) and a supporting boss (2032) connected to the base (2031); the base (2031) and the frame (202) are fixed by resistance spot welding; and the surface of the supporting boss (2032) and the composite plate (201) are bonded by an adhesive.

5. The wall structure according to any one of claims 1 to 4, characterized in that: The end top curved beam column assembly (400) comprises: a first end corner column (401), an end top curved beam (403), and a second end corner column (402) connected in sequence; a first reinforcement structure (405) is provided at the connection between the first end corner column (401) and the end top curved beam (403); and a second reinforcement structure (406) is provided at the connection between the end top curved beam (403) and the second end corner column (402).

6. The wall structure according to claim 5, characterized in that: The first reinforcement structure (405) comprises: a third reinforcing plate, provided on the front facade side and / or the rear facade side of the connection between the first end corner column (401) and the end top curved beam (403); a fourth reinforcing plate, provided on the inner side surface of the connection between the first end corner column (401) and the end top curved beam (403); The second reinforcement structure (406) comprises: a fifth reinforcing plate (4061), provided on the front facade side and / or the rear facade side of the connection between the end top curved beam (403) and the second end corner column (402); A sixth reinforcing plate (4062) is provided on the inner side surface of the connection between the end top curved beam (403) and the second end corner column (402).

7. The wall structure according to claim 5, characterized in that: The two door uprights (101) are each formed with a first bent connecting plate (104), the first end corner column (401) and the second end corner column (402) are each formed with a second bent connecting plate (404), and the first bent connecting plate (104) and the second bent connecting plate (404) are connected in an adjustable overlapping position along the length direction and / or the width direction of the carriage.

8. The wall structure according to any one of claims 1 to 4, characterized in that: The beam-column assembly (600) comprises: a first column (601), a first beam (602), and a second column (603) connected in sequence; a first support beam (604) is provided between the first column (601) and the first beam (602); and a second support beam (605) is provided between the first beam (602) and the second column (603).

9. The wall structure according to claim 8, characterized in that: The beam-column assembly (600) further includes: a first connecting beam (606) provided at one end of the first column (601) away from the first crossbeam (602), and a third supporting beam (610) provided between the first connecting beam (606) and the first column (601); A second connecting beam (607) is provided at one end of the second column (603) away from the first crossbeam (602), and a fourth supporting beam (611) is provided between the second connecting beam (607) and the second column (603).

10. The wall structure according to claim 8, characterized in that: The beam-column assembly (600) further includes: a plurality of second cross beams (608) arranged along the extension direction of the first column (601) and the second column (603), and respectively connected between the first column (601) and the end top curved beam column assembly (400) and between the second column (603) and the end top curved beam column assembly (400); A plurality of supporting columns (609) are arranged along the extension direction of the first crossbeam (602) and are respectively connected to the first crossbeam (602).

11. A vehicle body, characterized in that: include: The wall structure according to any one of claims 1 to 10.

12. A rail vehicle, characterized in that: include: The wall structure according to any one of claims 1 to 10, or the vehicle body according to claim 11.

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