Connection structure for aluminum vehicle body end of rail vehicle
An aluminum alloy car body and end connection technology, applied in railway car body parts, railway car body, railway roof and other directions, can solve the problems of reducing the strength and rigidity of the whole car, leakage of rivets and angle aluminum, and water leakage of the car body. , to achieve the effect of improving the quality and strength of the welding surface, improving the strength and stiffness, and ensuring the sealing performance
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[0013] The present invention will be further described in detail below in conjunction with the drawings.
[0014] Reference figure 1 , The roof 6 and end wall 1 of the original car body are connected by using the inner and outer two-layer angle aluminum 2 and 4 connection structure, internal welding and external riveting connection, the inner and outer corner aluminum gaps are coated with sealant 3, and the side wall connection is the same Rationale. In this connection method, after the car body is used for a period of time, the rivet 5 is loose or the sealant is aging, and the car body leaks easily, and both the rivet and the angle aluminum leak affect the appearance of the whole car body. In addition, the angle aluminum connection method is adopted at the end. Reduce the strength and stiffness of the vehicle.
[0015] Reference figure 2 , image 3 In the specific embodiment of the present invention, a square tube-shaped closed section 7 is welded on both sides of the aluminum s...
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