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东方红-802拖拉机转向离合器易产生高温和易烧损的现象较为普遍。通过对多台机车进行的拆检和调查,我们认为: 1.改进设计后出现的新缺陷 (1)为适应农田作业质量和速度的要求,东方红-802的变速箱在东方红-75的基础上将第一轴上Ⅱ档主动滑动齿轮的齿数由原来的20改为19,第二轴上Ⅱ档被动齿圈的齿数由原来的42改为43。这样,Ⅱ档的速度虽有所下降,但其传动比和牵引力却增大了,其余各档的速度和牵引力也均得到提高。问题是后桥部分未做改动,后桥零部件的
Dongfanghong -802 tractor steering clutch prone to high temperature and easy to burn phenomenon is more common. Through the dismantling and investigation of multiple locomotives, we think: 1. Improve the design of new defects (1) In order to meet the requirements of farm work quality and speed, the Dongfanghong -802 transmission in Dongfanghong -75 Based on the first shaft on the second gear active sliding gear tooth number 20 from 19 to the original, the second gear on the second gear passive ring gear teeth changed from 42 to 43. In this way, although the speed of the second gear has decreased, its transmission ratio and traction have increased, and the speed and traction of the remaining gears have also been improved. The problem is part of the rear axle unchanged, rear axle parts