Steel-aluminum mixed rivet welding vehicle body of rail transit engineering vehicle

Abstract

The utility model relates to the technical field of mechanical engineering, in particular to a steel-aluminum mixed rivet welding vehicle body of a rail transit engineering vehicle, which comprises a vehicle body chassis and a vehicle body, the vehicle body comprises two side walls, two end walls and a vehicle roof, the side walls and the end walls are alternately fixed to form a rectangular frame, and the two side walls are oppositely arranged. The two end walls are oppositely arranged, the top of a rectangular frame is fixed to the car roof, the rectangular frame is fixed to the car body bottom frame, the car body bottom frame is made of steel, and the car body is made of aluminum alloy sections. The vehicle body chassis adopts an all-steel structure, so that the strength and the rigidity of the engineering vehicle are improved. And the vehicle body above the chassis adopts an aluminum alloy section welding structure so as to ensure light weight. The chassis and the vehicle body are connected through a riveting structure, so that the whole vehicle forms a cylindrical structure, and the overall bearing capacity is improved. The whole aluminum alloy vehicle body only uses two types of aluminum alloy sections, so that the die cost and the manufacturing cost are saved.

Description

Technical Field

[0001] This utility model relates to the field of mechanical engineering technology, specifically to a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles. Background Technology

[0002] Routine maintenance of rail transit requires the use of engineering vehicles. As the demand for these vehicles increases, there are higher requirements for their strength, rigidity, lightweight design, and cost-effectiveness. Currently, most rail transit engineering vehicles use all-steel or all-aluminum alloy structures. All-steel structures are heavier and consume more energy, while all-aluminum alloy structures have slightly lower strength and rigidity but are more expensive.

[0003] In conclusion, there is an urgent need for an engineering vehicle that can meet the requirements of strength and rigidity, while also being lightweight and cost-effective, to solve the problems existing in the current technology. Utility Model Content

[0004] The purpose of this utility model is to provide a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles, so as to solve the technical problem that existing engineering vehicles cannot simultaneously meet the requirements of lightweighting and low cost. The specific technical solution is as follows:

[0005] This utility model provides a steel-aluminum hybrid riveted car body for a rail transit engineering vehicle, including a car body chassis and a car body. The car body includes two side walls, two end walls, and a car roof. The side walls and end walls are alternately fixed to form a rectangular frame, with the two side walls facing each other. The top of the rectangular frame is fixed to the car roof, and the rectangular frame is fixed to the car body chassis. The material of the car body chassis is steel, and the material of the car body is aluminum alloy profile.

[0006] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that at least one first door opening and at least one first window opening are provided on the side wall.

[0007] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that at least one second door opening and at least one second window opening are provided on the end wall.

[0008] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that the upper part of the side wall is provided with a drum-shaped section that protrudes outward.

[0009] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that the drum-shaped section has an inclination angle of 5° to 8° relative to the middle of the side wall.

[0010] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that the side wall and the end wall are fixed together by multiple first plates.

[0011] A further improvement of this utility model of a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles is that the car roof includes two side beams and multiple second plates, which are sequentially fixed to form a whole plate. The two side beams are fixed to both sides of the whole plate, and the side wall is fixed to the side beams.

[0012] The application of the technical solution of this utility model has the following beneficial effects:

[0013] This utility model relates to a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles. The car body underframe utilizes an all-steel structure, enhancing the vehicle's strength and rigidity. The body above the underframe employs a welded aluminum alloy profile structure to ensure lightweight construction. The connection between the underframe and the body uses a riveting structure, creating a cylindrical structure that improves overall load-bearing capacity. The entire aluminum alloy car body uses only two types of aluminum alloy profiles, saving on mold and manufacturing costs.

[0014] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of the steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle of this utility model;

[0017] Figure 2 This is a schematic diagram of the side wall structure of the steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle of this utility model;

[0018] Figure 3 This is a schematic diagram of the end wall structure of the steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle of this utility model;

[0019] Figure 4 This is a schematic diagram of the roof structure of the steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle of this utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle of this utility model.

[0021] Among them, 1. chassis frame; 2. side wall; 3. end wall; 4. roof; 5. first plate; 6. first window opening; 7. first door opening; 8. second plate; 9. second window opening; 10. second door opening; 11. side beam; 12. drum-shaped section. Detailed Implementation

[0022] The embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0023] See Figures 1-5 As shown, a steel-aluminum hybrid riveted car body for a rail transit engineering vehicle includes a car body chassis 1 and a car body. The car body includes two side walls 2, two end walls 3, and a roof 4. The side walls 2 and end walls 3 are alternately fixed to form a rectangular frame, with the two side walls 2 facing each other and the two end walls 3 facing each other. The top of the rectangular frame is fixed to the roof 4, and the rectangular frame is fixed to the car body chassis 1. The car body chassis 1 is made of steel, and the car body is made of aluminum alloy profiles. Specifically, the car body and the car body chassis 1 are riveted together to form a complete car body. This utility model ensures the lightweight of the entire car body through the aluminum alloy car body, while the all-steel car body chassis 1 provides greater strength and rigidity to the entire car body, thus saving costs while ensuring the strength of the car body.

[0024] Preferred, such as Figure 2 As shown, at least one first doorway 7 and at least one first windowway 6 are provided on the side wall 2. The number and position of the first windowway 6 and the first doorway 7 can be set according to actual needs and vehicle length. In this embodiment, there are two first windowways 6 and one first doorway 7, with the two first windowways 6 located on both sides of the first doorway 7.

[0025] Preferred, such as Figure 3 As shown, at least one second doorway 10 and at least one second windowway 9 are provided on the end wall 3. The number and position of the second windowway 9 and the second doorway 10 can be set according to actual needs and vehicle length. In this embodiment, there is one second windowway 9 and one first doorway 7.

[0026] Preferred, such as Figure 2 As shown, the upper part of the side wall 2 is provided with a drum-shaped section 12 that protrudes outward. The drum-shaped section 12 can provide a certain degree of shielding for the first window opening 6 and the first door opening 7, preventing falling objects from damaging the glass.

[0027] Furthermore, the drum-shaped segment 12 has an inclination angle of 5° to 8° relative to the middle of the side wall 2, preferably an inclination angle of 6°.

[0028] Preferably, the side wall 2 and the end wall 3 are fixed together by multiple first plates 5. The first plates 5 are made of aluminum alloy profiles. In this embodiment, the side wall 2 is welded together by six first plates 5, and the end wall 3 is welded together by seven first plates 5. After welding, the entire assembly is machined to form the side wall 2 as a single piece.

[0029] Preferred, such as Figure 4As shown, the roof 4 includes two side beams 11 and multiple second plates 8. The multiple second plates 8 are sequentially fixed to form a whole plate, and the two side beams 11 are fixed to both sides of the whole plate. The side wall 2 is fixed to the side beams 11. The second plates 8 are made of aluminum alloy profiles. In this embodiment, the whole plate is made by welding five second plates 8 together, and then welding the whole plate to the two side beams 11. After welding, the whole plate is machined to form the roof 4 as a single piece. The roof 4 has at least one ventilation opening.

[0030] This utility model relates to a steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles. The car body underframe 1 utilizes an all-steel structure, enhancing the vehicle's strength and rigidity. The body above the underframe employs a welded aluminum alloy profile structure to ensure lightweight construction. The connection between the underframe and the body uses a riveting structure, forming a cylindrical structure that improves overall load-bearing capacity. The entire aluminum alloy car body uses only two types of aluminum alloy profiles, saving on mold and manufacturing costs.

[0031] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles, characterized in that, The vehicle includes a chassis (1) and a body. The body includes two side walls (2), two end walls (3), and a roof (4). The side walls (2) and the end walls (3) are alternately fixed to form a rectangular frame, so that the two side walls (2) are set opposite to each other and the two end walls (3) are set opposite to each other. The top of the rectangular frame is fixed to the roof (4) and the rectangular frame is fixed to the chassis (1). The chassis (1) is made of steel and the body is made of aluminum alloy profiles. The upper part of the side wall (2) is provided with a drum-shaped section (12) that protrudes outward.

2. The steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles according to claim 1, characterized in that, At least one first doorway (7) and at least one first windowway (6) are provided on the side wall (2).

3. The steel-aluminum hybrid riveted and welded car body for rail transit engineering vehicles according to claim 1, characterized in that, The end wall (3) has at least one second doorway (10) and at least one second windowway (9).

4. The steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle according to claim 1, characterized in that, The drum-shaped section (12) has an inclination angle of 5° to 8° relative to the middle of the side wall (2).

5. The steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle according to claim 1, characterized in that, The side wall (2) and the end wall (3) are fixed together by multiple first plates (5).

6. The steel-aluminum hybrid riveted and welded car body of the rail transit engineering vehicle according to claim 1, characterized in that, The roof (4) includes two side beams (11) and multiple second plates (8). The multiple second plates (8) are fixed in sequence to form a whole plate. The two side beams (11) are fixed on both sides of the whole plate. The side wall (2) is fixed to the side beams (11).

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