Connecting method of hydraulic system pressure reducing loop of hydraulic test bench
A hydraulic system and hydraulic test technology, which is applied in the direction of fluid pressure actuation system components, fluid pressure actuation devices, mechanical equipment, etc., can solve the problems of complicated working methods, heavy equipment weight, low work efficiency, etc., and achieve improved operation Controllability, reduce labor intensity, and simplify the effect of oil circuit
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[0010] The method for connecting the decompression circuit of the hydraulic system of the hydraulic test bench according to the embodiment of the present invention, the main steps of which include:
[0011] (1) Firstly, a fixed value pressure reducing valve is connected in series in the peripheral branch of the low pressure pump of the hydraulic system oil circuit, and at the same time, a second pressure reducing valve is connected in parallel to the branch opposite to the fixed value pressure reducing valve;
[0012] (2) Adjust the second pressure reducing valve so that a certain branch of the system has a stable working pressure lower than the set value of the system pressure, and connect the branch with the control oil circuit of the work clamping, guide rail lubrication and hydraulic system;
[0013] (3) A one-way valve is installed on the side of the second pressure reducing valve in the pressure reducing circuit. When the pressure of the main oil circuit is lower than the...
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