Shield tunneling machine hydraulic oil cylinder and valve group detecting equipment

The invention relates to the technical field of shield tunneling machines, and discloses shield tunneling machine hydraulic oil cylinder and valve group detecting equipment. The shield tunneling machine hydraulic oil cylinder and valve group detecting equipment comprises a hydraulic oil box; the top surface of the hydraulic oil box is provided with an electromagnetic directional valve, a motor, anoil pump, a return oil filter, a hand-operated high pressure pump, an air cooler, a liquid level relay and a pressure filter; the electromagnetic directional valve is installed in the middle of the top surface of the hydraulic oil box; the motor is installed above the electromagnetic directional valve; the oil pump is installed on the left side of the motor and connected with the motor through acoupler; the return oil filter is installed on the left side of the electromagnetic directional valve; the hand-operated high pressure pump is installed below the return oil filter; the liquid level relay is installed on the r