Bus frame structure

A technology of frame structure and passenger car, which is applied to the substructure, vehicle parts, transportation and packaging, etc., can solve the problems of reducing the structural strength of the passenger car frame, and achieve the effect of solving the lack of layout space.

Inactive Publication Date: 2012-08-01
苏州奥杰汽车工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Through engineering analysis and practical experience, it can be concluded that when the distance between the inner beam and the outer beam is too large, the strength of the bus frame structure will be greatly reduced

Method used

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Embodiment 1

[0019] A kind of passenger car frame structure of the present embodiment, as Figure 1 ~ Figure 3 As shown, including the frame girder, the frame girder includes a left longitudinal beam 1 and a right longitudinal beam 2 arranged in parallel, and the relative positions of the outer sides of the left longitudinal beam 1 and the right longitudinal beam 2 are respectively fixed with a column 3, and the shaft of the column 3 The center line is perpendicular to the axes of the left longitudinal beam 1 and the right longitudinal beam 2; the upper ends and lower ends of the columns 3 are respectively connected by the upper beam 4 and the lower beam 5 to form a closed frame structure. The relative positions of the outer surfaces of the left longitudinal beam 1 and the right longitudinal beam 2 are also respectively fixed with outer beams 6, the axes of the outer beams 6 and the axis lines of the upper beam 4 and the lower beam 5 are parallel to each other and in the same plane. The ou...

Embodiment 2

[0022] A kind of passenger car frame structure of the present embodiment, the structure is similar to embodiment 1, the difference is: as Figure 4 As shown, extension beams 41 extend horizontally at the left and right ends of the upper beam 4 respectively, and the extension beams 41 on the same side and the outer beam 6 are connected in a Z-shaped structure by reinforcing diagonal braces 9 .

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Abstract

The invention discloses a bus frame structure, which comprises a frame crossbeam. The frame crossbeam comprises a left longitudinal beam and a right longitudinal beam which are arranged parallelly. A column is respectively fixed at corresponding positions of outer side faces of the left longitudinal beam and the right longitudinal beam, axes of the columns are perpendicular to axes of the left longitudinal beam and the right longitudinal beam mutually, the upper ends of the columns are connected through an upper horizontal beam, and the lower ends of the columns are connected through a lower horizontal beam so as to form a closed frame structure. The bus frame structure bears acting force of air bag, plate springs and the like on the frame through the closed frame structure formed by the two columns, the upper horizontal beam and the lower horizontal beam, simultaneously the closed frame structure and an outer horizontal beam are located in the same plane, and the bus frame structure can effectively solve the problem that arrangement space of a power assembly is not enough on the basis of guarantee of frame strength.

Description

technical field [0001] The invention belongs to the technical field of vehicle body structures, in particular to a passenger car frame structure. Background technique [0002] For the transmission system layout of large and medium-sized passenger cars with rear rear drive, in practical applications, due to the limitation of the length of the rear overhang and the length of the transmission shaft, after the engine, gearbox, retarder, transmission shaft and rear axle are arranged, the girder It is difficult to arrange the crossbeam at the rear leaf spring lug of the rear suspension or the airbag mounting beam for the type frame. This kind of phenomenon is especially obvious on the passenger car of 8m ~ 10m. At present, the arrangement of the retarder at the rear end of the gearbox of a large bus is almost on the same X-axis plane as the outer crossbeam on which the air spring airbag is installed, and there is no ample space in the height direction. According to the design re...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D21/02
Inventor 宿佳敏潘文文田永义林引婵宋峰
Owner 苏州奥杰汽车工业有限公司
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