Motor bus unitary body with large-sized rectangular tube underframe
A rectangular tube, bus technology, applied in the direction of load-bearing body structure, vehicle parts, superstructure, etc., can solve the problems of complex process, poor rollover resistance, low cost, etc., and achieves simple production process, strong anti-collision, low cost effect
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[0044] Below in conjunction with accompanying drawing, the example of 12 meters of two-stepped buses of the present invention is described in further detail:
[0045] Such as figure 1 As shown, the underframe 1 is connected with the upper body frame 8, the upper body frame 8 is connected with the top cover 6, and the underframe 1 is provided with a floor frame 7; as figure 2 As shown, the underframe 1 is composed of five design units (modules) connected in sequence: front suspension 9, front axle and front wheel housing 10, middle section 11, rear axle and rear wheel housing 12, and rear suspension 13 for installing the powertrain. composition. The upper body frame 8 includes the front and rear walls 4, 5 and the left and right side walls 2, 3 (left and right side frames); the underframe 1 and the body front and rear walls 4, 5, the left and right side walls 2, 3 and the top cover 6 are formed by connecting each node An integral bearing frame forms several closed force ring...
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