Testing device for electro-hydraulic actuating mechanism

The utility model discloses a testing device for an electro-hydraulic actuating mechanism. The device comprises a gas drive oil pump, an oil outlet branch, an oil return branch, a three-position four-way reversing valve and a test oil way. The gas drive oil pump is connected with the three-position four-way reversing valve through an oil outlet branch; the test oil path comprises a first test branch and a second test branch, one end of the first test branch and one end of the second test branch are respectively connected with the three-position four-way reversing valve, and the other end of the first test branch and the other end of the second test branch are both provided with interfaces connected with the electro-hydraulic actuator to be tested; and the three-position four-way reversing valve is connected with the oil return branch. The device disclosed by the utility model can output hydraulic pressure of 0-35MPa for carrying out related hydraulic tests, and the working pressure can be adjusted by adjustin