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工程设计学报
Chinese Journal of Engineering Design  2009, Vol. 16 Issue (5): 386-390    DOI:
    
Modifications design and strain test for LX131 6×2 type truck frame
 HUANG  Chang-Chun1, WEI  Zhi-Lin1, SHEN  Guang-Lie1, BIN   Ling2
1. Automotive Engineering Institute, Guangxi University of Technology, Liuzhou 545006, China；
2. Technology Center, Dongfeng Liuzhou Motor Co., Ltd., Liuzhou 545005, China
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Abstract  To optimize the LX131 6×2 type truck frame, part of the locations and number of beams needs to be adjusted. According to the force-bearing characteristics, by using finite element simulation, the low stress area of the truck frame under bending work condition was obtained. The beam required adjustment was moved to the above-mentioned area and meantime one beam of the truck frame was removed. Comparing with the original truck frame, the stress on the adjusted truck frame does not increase. The following static and dynamic stress test and actual usage show that the modified frame is reliable and the purpose of reducing cost is achieved．

Key words： frame      frame cross member layout      FEM;strain test     
Published: 28 October 2009
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HUANG Chang-Chun
WEI Zhi-Lin
SHEN Guang-Lie
BIN Ling
Cite this article:

HUANG Chang-Chun, WEI Zhi-Lin, SHEN Guang-Lie, BIN Ling. Modifications design and strain test for LX131 6×2 type truck frame. Chinese Journal of Engineering Design, 2009, 16(5): 386-390.

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https://www.zjujournals.com/gcsjxb/     OR     https://www.zjujournals.com/gcsjxb/Y2009/V16/I5/386


LX131型6×2载货车车架改型设计及电测试验

为对LX131型6×2载货车车架结构进行优化,需将部分车架横梁位置及数量进行调整.通过分析车架横梁的受力特点,利用有限元仿真分析,找到车架弯曲工况的低应力区,将需调整的横梁布置到该区域,同时将车架横梁数量减少1根.与原车架方案相比,改型后的车架应力没有明显上升,静、动电测试验及实际使用情况表明改型后的车架是可靠的,达到了降低产品成本的目的.

关键词： 车架,  横梁布置,  有限元,  电测试验 
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