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论述了液力偶合器在带式输送机传动系统中的应用，使传动系统起动平稳，减缓了传动系统中的冲击与振动，防止动力过载，确保电动机不发生失速和闷车．充分利用鼠笼式电动机的颠覆转矩，使其转矩可以达到电动机颠覆转矩的95％左右，提高了起动转矩，改善了鼠笼式电动机的起动性能，在多电动机传动系统中，能使各台电动机的负荷分配趋平均衡，减少电网的冲击电流，从而延长电动机的绝缘寿命，达到了过载保护，安全可靠和节省能源的目的．
The application of hydraulic coupling in the belt conveyor transmission system is discussed. The starting of the transmission system is stable and the impact and vibration in the transmission system are slowed down. The power overload is prevented and the stalling and boring of the motor are avoided. Make full use of squirrel-cage motor subversion torque, the torque can reach 95% of the motor subversion torque, increased starting torque, improved squirrel-cage motor starting performance, multi-motor drive system, can So that each motor load leveling balance, reduce the impact of the power grid, thereby extending the motor insulation life, to achieve the overload protection, safety and reliability and save energy.