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介绍了装置的结构、技术指标及原理,该装置解决了抽油机电机存在的启动电流大,即所谓“大马拉小车”的问题。实际使用效果表明:该装置可降低抽油机电机机座号1~2个;实现了传动中的软启动特性;装置一次性投资与液力耦合器相比较小、维护简单、符合安全环保要求。
The structure, the technical index and the principle of the device are introduced. The device solves the problem that the starting current of the pumping motor is large, which is the so-called “big horse car”. The actual use results show that the device can reduce the machine frame number of the pumping unit by 1 or 2, and realize the soft start characteristic in the transmission. The one-time investment of the device is smaller than that of the fluid coupling and the maintenance is simple and meets the requirements of safety and environmental protection .