鄄城县局研制的履带拖拉机履带脱轨复位器近日被山东省黄河河务局技术委员会评定为省局科技进步三等奖。随着土方工程机械化程度的提高,履带拖拉机使用越来越广泛。但施工过程中履带脱轨现象时有发生,且复位又相当困难。为了解决 Juancheng County developed crawler track derailment reducer has recently been the Yellow River in Shandong Province Bureau of Technical Committee as the provincial science and technology progress prize three. With the improvement of earthwork mechanization, crawler tractors are used more and more widely. However, the process of track derailment occurs from time to time, and the reset is quite difficult. In order to solve