The utility model discloses a hydraulic pressure hank grinds with tail rope winding and unwinding devices, including power device, hydraulic system, actuating mechanism and tail rope winding and unwinding devices, power device is gasoline engine or diesel engine, and hydraulic system mainly includes hydraulic power unit and hydraulic motor, and actuating mechanism includes the double traction reel, and power device transmits mechanical energy for hydraulic power unit, and hydraulic power unit changes mechanical energy into hydraulic pressure can drive the hydraulic motor rotation, and hydraulic motor gives the double traction reel with the power transmission, and double traction reel drive tail rope winding and unwinding devices rotate. This hank grind hydraulic system control down, can just, two the electrodeless adjustment haulage speed of orientation that turn over, realization decompression automatic brake under the trouble circumstances to can realize the automation of tail rope and receive and release, reduce operation personnel intensity of labour, improve work efficiency.