针对机械传动式平地机变速器,给出换挡时间和换挡冲击度这两个评价换挡品质的指标。结合具体测试数据,对典型换挡控制策略进行分析,针对测试过程中出现的异常现象,分析原因并给出解决途径,对提升机械传动式平地机变速器的换挡品质以及确定变速控制策略具有一定的理论和实践意义。 For mechanical transmission grader transmission, given the shift time and shift impact of these two indicators of the evaluation shift quality. According to the specific test data, the typical shift control strategy is analyzed. According to the abnormal phenomenon occurred in the test process, the reasons are analyzed and the solutions are given. It is necessary to improve the shift quality and determine the shift control strategy of the mechanical transmission grader The theoretical and practical significance.