The utility model relates to a hydraulic support technical field, concretely relates to mine hydraulic support control system, including oil groove, variable pump, relief valve, tribit four -way reversing valve, one -way throttle valve, flow distributing and collecting valve, your two -way reversing valve, first hydraulically controlled check valve, second hydraulically controlled check valve, first pneumatic cylinder, second pneumatic cylinder, overflow relief pressure valve and third hydraulically controlled check valve, this device simple structure, the cost is reduced control effectually, can guarantee hydraulic support's normal operating to carrying out synchro control between the hydraulic support, and the regulation convenience, easy to maintain

The invention relates to the field of three-dimensional bus garages, in particular to a hydraulic power lifting system of a three-dimensional bus garage. The power hydraulic control system comprises an oil filter B, a main oil pump motor, a main oil pump, a double-stage overflow valve and an oil filter A which are connected successively; the main oil pump motor is connected with the main oil pumpthrough a coupling, the oil inlet of the main oil pump is connected with the oil outlet of the oil filter B, the oil outlet of the main oil pump is connected with the oil inlet of the double-stage overflow valve; the two sides of the double-stage overflow valve are respectively a high-pressure valve and a low-pressure valve, wherein the high-pressure valve is used for garage ascending overflow, and the low pressure is used for garage declining overflow; the two sets of lifting systems share a hydraulic station, so that the cost of the hydraulic lifting system is reduced and the system is moreconvenient to control; the differential-diameter series hydraulic system is used, so that the cost of the hydraulic lifting system is reduced and the system is more convenient to control.

Hydraulic power lifting system of three-dimensional bus garage

Mine hydraulic support control system

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Mine hydraulic support control system

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Hydraulic power lifting system of three-dimensional bus garage