Back auxiliary frame assembly of automobile
A rear sub-frame and assembly technology, applied in the field of sub-frame assembly and automobile rear sub-frame assembly, can solve the problems of low manufacturing cost, high fatigue life and material utilization rate, and no solution, and achieve cost Low, improve material utilization, simplify the effect of welding tooling
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[0047] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0048] see Figure 1 to Figure 8 The shown rear sub-frame assembly of an automobile includes the rear sub-frame body, and the four corners of the rear sub-frame body are respectively provided with sleeves 300 for connecting the car body. Its outstanding substantive features are :
[0049] The rear sub-frame body is buckled by an upper plate 100 with an overall "well"-shaped partial section showing an inverted "U" and a lower plate 200 with a "well"-shaped partial section showing a "U" as a whole, and is fixedly connected by a weld 150 It is composed of a "well"-shaped cavity structure with a "mouth"-shaped section as a whole; the front part of the cavity structure is the front beam 110, the rear part is the rear beam 120, the left part is the left longitudinal beam 130, and the right part is the right longitudinal beam 140;
[0050] An upper swing ar...
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