简要介绍自动液压张紧装置的工作原理、特点和适用场合，对煤矿正确使用自动液压张紧装置具有指导意义。
A brief description of the operating principle, features and application of automatic hydraulic tensioning devise for belt conveyors is given, which is a guide to using them correctly in coal mine.
试验证明了该行走系统及皮带自动张紧装置中运用的液压自动控制技术的合理性及正确性。
Experiments have demonstrated the rationality and correctness of the hydraulic automatic control technique applied to travel system and belt automatic tensioning device.
介绍了一种以液压油缸为执行元件的新型无极绳牵引车的自动张紧装置，并对其系统的结构和工作原理进行了分析。
A new-type automatic take-up of the endless rope towing vehicle with the hydraulic cylinder as actuator was introduced, and the configuration and operational principle of the system were analysed.
介绍了一种以液压油缸为执行元件的新型无极绳牵引车的自动张紧装置，并对其系统的结构和工作原理进行了分析。
A new-type automatic take-up of the endless rope towing vehicle with the hydraulic cylinder as actuator was introduced, and the configuration and operational principle of the system were analysed.
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