目前,截断塞门、缓解阀、空重车调整装置存在如下缺点: 截断塞门 目前使用的截断塞门及手把都装在车底,列检人员使用很不方便,处理故障时要爬到车底关闭塞门,有时塞门在车的另一侧,必须钻过车底。关闭塞门后再拉缓解阀排风。操作繁复,如不关截断塞门即 At present, the cut-off plug, mitigation valve, empty truck adjustment device has the following disadvantages: Truncated the plug door currently used truncated plug and handle are installed in the car, the inspection staff is very inconvenient to use, climb to handle the fault Bottom of the car to close the plug, and sometimes plug the other side of the car, you must drill through the car. Close the plug door and then pull the relief valve exhaust. Complex operation, if not cut off the plug door that is