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混凝土搅拌运输车、混凝土泵车、油井压裂车等很多工程机械均采用斯太尔91系列工程机械底盘。该底盘的制动系统和辅助控制系统采用气压控制。制动系统和辅助控制系统的控制阀结构复杂,连接管路较多。这些管路都是PVC塑料软管,没有固定形状。由于管路识别困难,安装时容易装错,由此造成制动系统故障,严重时将直接影响行车安全。笔者根据实践经验,总结出一套管路识别技巧。
Concrete mixing trucks, concrete pump trucks, oil fracturing trucks and many other construction machinery are used Steyr 91 series construction machinery chassis. The chassis brake system and auxiliary control system using air pressure control. Braking system and auxiliary control system control valve structure is complicated, more connecting lines. These pipes are PVC plastic hose, there is no fixed shape. Due to the difficulty in identifying the pipeline, it is easy to install the wrong installation, resulting in brake system failure, will seriously affect the traffic safety. The author based on practical experience, summed up a set of pipeline recognition skills.