提高花园系列拖拉机三点悬挂系统支架的疲劳寿命

4区农林科学

Tarim Bilimleri Dergisi-journal of Agricultural Sciences Pub Date : 2017-04-28 DOI:10.15832/TBD.47647

I. Dalmis, O. Tezcan, S. O. Eruslu

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引用次数: 3

摘要

本研究的主要目的是提高在花园系列拖拉机中使用的三点悬挂系统中的支架的疲劳性能。这是通过实验测试和有限元分析实现的。制造的支架进行了疲劳试验，即提升能力试验、推拉试验和升降试验。根据ISO 730-1标准建立了三点悬挂机构的起重能力试验。除了提升能力测试外，在推拉测试中，气缸夹紧支架也出现了问题。支架断裂发生在第11,218次测试周期。根据试验结果和有限元分析，对支架的临界损伤点进行了加固。支架连接面厚度由12 mm增加到19 mm，支架材料由GG25改为GG35。加固后的托架通过了试验，没有任何破损。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Fatigue Life Enhancement of Three Point Hitch System Brackets in the Garden Series Tractors

The main objective of this research was to enhance the fatigue performance of the brackets found in the three point hitch system used in garden series tractors. This was achieved by using experimental tests and finite element analysis. The manufactured brackets were validated with fatigue rig tests, namely a lifting capacity test, a push-pull test and a lifting-lowering test. The lifting capacity test of three point hitch mechanism was established according to ISO 730-1 standards. In addition to the lift capacity test, problems were also experienced with the cylinder clamping brackets during the pus-hpull tests. The bracket brakeage occurred during the 11,218th test cycle. According to the test results and finite element analysis, the brackets were strengthened at critical damage points. The thickness of the bracket connection surface was increased from 12 mm to 19 mm and the bracket material was changed from GG25 to GG35. The enhanced brackets passed the tests without any breakage.

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来源期刊

Tarim Bilimleri Dergisi-journal of Agricultural Sciences 农林科学-农业综合

CiteScore

1.40

自引率

0.00%

发文量

期刊介绍： Journal of Agricultural Sciences (JAS) is an international, double-blind peer-reviewed, open-access journal, published by the Faculty of Agriculture, Ankara University. The journal invites original research papers containing new insight into any aspect of Agricultural Sciences that are not published or not being considered for publication elsewhere. Preliminary, confirmatory or inconclusive research, review articles, case and local studies and works presenting taxonomy will not be published.