针对机械驱动钻机液力变矩器传动消耗燃油多的问题，开展了液力偶合器传动的试验。
In the light of the problem of excessive fuel consumption in hydraulic torque converter drive of mechanical drilling RIGS, experiments on the hydraulic coupling transmission are conducted.
但是，由于液力偶合器的传动效率低，从而带来诸如散热、能源浪费等问题。
But because of weak efficiency, there exist a lot of problems such as heat scattering, energy waste and so on.
本偶合器传动效率高，可实现电动机软启动，过载保护。
Its advantages are high drive efficiency, soft start of electric motor, and overload protection.
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