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Position: Home > Articles > Research on drawbar power test for tractor with stepless transmission Journal of Chinese Agricultural Mechanization 2015,36 (2) 161-164+188

无级变速拖拉机牵引性能测试技术

作  者:
畅雄勃
单  位:
农业部农业机械试验鉴定总站
关键词:
无级变速;拖拉机;牵引功率;功率曲线
摘  要:
通过对无级变速拖拉机牵引功率试验的设计、验证,得出如下结论:无级变速拖拉机牵引功率试验是在不同的设定速度下,按照设定速度由低至高顺序依次进行。最大牵引力工况、最大牵引功率工况对应的性能指标和经济指标无法从牵引功率试验中直接测出,而是根据在不同设定速度下的试验数据绘制出牵引性能曲线,然后从牵引性能曲线上查找、估算出最大牵引力、最大牵引功率及其他试验数据。为了使牵引功率曲线更平滑、更精确,应尽可能多地选择不同的设定速度进行试验。
译  名:
Research on drawbar power test for tractor with stepless transmission
作  者:
Chang Xiongbo;China Agricultural Machinery Testing Centre;
关键词:
stepless transmission;;tractor;;drawbar power;;curve of power
摘  要:
Based on the research and analyzing of drawbar power test for tractor with stepless transmission, the following conclusions were obtained, the drawbar power test for stepless tractor was carried out from lowest speed setting to highest speed setting. The maximum drawbar pull and maximum drawbar power couldn't be tested directly, the data regarding drawbar power test were estimated from drawbar power envelop curves, the envelop curves were formed from test results in different speeds setting. It is necessary to carry out tests as more as possible in different speed settings in order to get accurate, smooth and practical envelop curves.

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