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陈洪龙:一辆丰收2815型农用运输车,大修后试车时,其行驶速度越高,前轮摆动越大,低速行驶则正常。先后对转向器、横直拉杆球销、前束以及轮毂轴承等进行检查,均未发现异常。后对车轮各零部件进行详细的测量,发现制动鼓在大修中没有严格地按照技术要求加工,造成制动鼓半边厚、半边薄。由于制动鼓壁厚不均匀,造成制动鼓的质量沿圆周分布不均匀,即产生了不平衡。由于这种现象存在,农用运输车在行驶时,在
Chen Honglong: A bumper harvesting Model 2815 agricultural vehicle, after overhaul test, the higher the speed, the greater the front wheel swing, low-speed driving is normal. Has the steering gear, horizontal rod pull the ball, the front beam and wheel bearings, etc. were inspected, found no abnormalities. After a detailed measurement of the wheel parts and found that the brake drum in the overhaul is not strictly in accordance with the technical requirements of processing, resulting in brake drum half thick, half thin. As the brake drum wall thickness is uneven, resulting in uneven distribution of the quality of the drum along the circumference, that is, there is an imbalance. Because of this phenomenon, the farm truck was on the move