Low floor passenger-carrying chassis
A bus chassis and low floor technology, which is applied to the superstructure, vehicle components, superstructure and other directions of the bus, can solve the problem of high chassis of the bus, and achieve the effects of low center of gravity, not easy to deform, and easy to install.
Active Publication Date: 2011-09-28
上海中上汽车科技有限公司
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Problems solved by technology
[0004] The purpose of the present invention is to solve the above problem of the high chassis of the bus, and provide a method that can reach the upper floor of the bus compartment only through one step and relatively lower the center of gravity of the bus. Low-floor bus chassis with long chassis life
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Embodiment Construction
[0014] Refer to the attached Figure 3-4 , the specific embodiments of the present invention are given to further describe the constitution of the present invention.
[0015] The low-floor passenger car chassis of this embodiment includes longitudinal beams and crossbeams forming the chassis frame 4, the crossbeams and longitudinal beams are fixedly connected together to form a closed truss structure, and the crossbeams of the chassis frame 4 span the rear axle for shock absorption Suspension system 1, above the front axle shock absorbing suspension system 7, is a full load-bearing truss type chassis frame, the lower end of the rear axle shock absorbing suspension system 1 is connected to the shock absorbing suspension system trailer 3, and the upper end is fixed to the chassis frame 4 crossbeam; The upper end of the bridge shock-absorbing suspension system 7 is fixed to the chassis frame 4 crossbeams, and the lower end is connected to the front axle; Flat channel; the width ...
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The invention relates to a coach chassis with low floor and belongs to the technical field of car chassis structure. The coach chassis with low floor is characterized in that a cross beam of a chassis frame crosses over a back-bridge shockproof suspension system and a front-bridge shockproof suspension system, the chassis frame is a fully-integral girder chassis frame, the lower end of the back-bridge shockproof suspension system is connected with a trailer of shockproof suspension systems, and the upper end is fixed with the cross beam of the chassis frame; the upper end of the front-bridge shockproof suspension system is fixed with the cross beam of the chassis frame, and the lower end is connected with a front bridge; a first-level step and a floor of a coach carriage are positioned onthe same plane, and the rear of the front bridge is taken as a front door entry. The fully-integral girder chassis frame with ultra-low floor of the invention leads the front door to be arranged in the rear of the front bridge and the first-level step and the floor of the coach carriage to be positioned on the same plane, thus improving travelling comfort; the chassis has simple assembly, convenient disassembly and maintenance; the invention has low gravity center, good operation performance and high safety coefficient, as well as driving smoothness, good shockproof effect and long service life.
Description
1. Technical field [0001] The invention relates to a low-floor bus chassis and belongs to the technical field of vehicle chassis structures. 2. Background technology [0002] At present, the bus chassis is relatively high from the ground, and it needs to go through two or three steps to reach the top of the bus chassis. The higher chassis also relatively raises the center of gravity of the bus. [0003] Such as figure 1 , figure 2 As shown in the front view and top view of the bus chassis of the prior art, the side of the bus chassis 11 is fixed with an I-shaped crane 12, the I-shaped crane 12 is connected to the steel plate 13, and the steel plate 13 is connected to the front axle and the rear axle. On the side of the shock-absorbing suspension system, the force of the cross beam of the bus chassis is located on the side of the shock-absorbing suspension system. If the force is applied for a long time, the bus chassis is prone to deformation and affects the life of the c...
Claims
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IPC IPC(8): B62D31/02
Inventor 谢镕安王瑷国
Owner 上海中上汽车科技有限公司