针对长距离可伸缩大型带式输送机的工作特点，设计了一种自动张紧装置。
According to the working feature of the elastic belt conveyor, an automatic tensioning device is designed.
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.
基于带传动在稳定工作时的受力平衡，从理论上导出了摆架式自动张紧装置所产生的张紧力的计算公式。
Calculation formula of the tension caused by an automatic swaying belt tightener is derived theoretically according to the force balance of stable operation of belt driving.
说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。
The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.
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.
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.
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.
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