Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame

A technology of torsion beam and trailing arm, used in suspension, elastic suspension, transportation and packaging, etc., can solve the problem of easy tearing of lap welds, achieve less cracking, reduce the number of welds, and increase the strength of the force. Effect

Active Publication Date: 2014-12-24
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] D) The reinforcement plate 6 needs to be lapped between the spring tray

Method used

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  • Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame
  • Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame
  • Longitudinal arm of torsion beam suspension frame and torsion beam suspension frame

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Example Embodiment

[0036] Combine Figure 3 to Figure 6 In the first embodiment of the present invention, the torsion beam suspension includes a cross beam 100, a longitudinal arm 200 and a spring tray 300, and the cross beam 100 is connected to the longitudinal beam 200. Wherein, the cross beam 100 includes a cross beam upper plate 110 and a cross beam lower plate 120. The cross beam upper plate 110 and the cross beam lower plate 120 are buckled together and welded to form a Image 6 Box structure shown. There is a gap 111 at the end of the upper beam 110, where the trailing arm 200 is completely clamped between the upper beam 110 and the lower plate 120, and then welded and connected, so that figure 1 Compared with the structure in which the longitudinal arm 1 is directly overlapped and welded with the beam 2, the force and moment transmitted by the longitudinal arm 200 to the beam 100 are uniform, and cracks are not easily generated. From Figure 4 It can be clearly seen that the trailing arm ...

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Abstract

The invention provides a longitudinal arm of a torsion beam suspension frame. The longitudinal arm comprises a longitudinal arm upper plate and a longitudinal arm lower plate, wherein the longitudinal arm upper plate and the longitudinal arm lower plate are buckled together for forming a box-shaped structure, and a spring tray is integrally formed on the longitudinal arm lower plate. The invention also provides the torsion beam suspension frame adopting the longitudinal arm. The longitudinal arm and the torsion beam suspension frame have the advantages that the structural intensity is high, and the tearing fracture cannot easily occur.

Description

technical field [0001] The invention relates to the field of automobile suspension, in particular to a longitudinal arm of a torsion beam suspension and the torsion beam suspension. Background technique [0002] Torsion beam suspension (also known as torsion beam suspension) is one of the suspension types used for the chassis of the car, such as figure 1 with figure 2 As shown, its main structure includes a longitudinal arm 1, a beam 2, a spring tray 3, a reinforcing connecting plate 5, etc., and the whole is connected by welding. The torsion beam suspension structure is that during the operation of the vehicle, due to the unevenness of the road surface and driving manipulation, the vehicle load and the unevenness of the road surface feedback cause the spring 4 to compress or rebound, and then transmit it to the cross beam 2 through the longitudinal arm 1, and pass through Beam 2 produces torsional transmission or counteracts its motion process. The key to the movement o...

Claims

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Application Information

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IPC IPC(8): B60G11/50
Inventor 王冬栋胡西周星许生刘飞周伟姜再友杨海波赵治辉袁苑
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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