Axial plunger pump piston shoe auxiliary lubrication characteristic test device
A technology of axial piston pump and characteristic test, applied in the direction of material inspection products, etc., can solve problems such as unseen, achieve high safety and reliability, and easy replacement of test pieces
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[0025] Such as figure 1 , figure 2 As shown, the present invention includes a hydraulic power system, a lubricating film test platform, and a monitoring and control system, in which:
[0026] 1) The hydraulic power system includes: a manual variable plunger pump 5 is connected to a fuel tank 1 equipped with a heater 2 and a temperature sensor 3 through an oil suction filter 4, a three-phase asynchronous motor 6 is connected to a manual variable plunger pump 5 through a coupling, The high-pressure oil port of the manual variable plunger pump 5 is connected to the oil inlets of the electromagnetic unloading relief valve 8 and the one-way valve 9 through the precision pressure filter 7, and the accumulator 11 is connected to the single valve through the first high-pressure stop valve 10. The oil outlet of the valve 9, the proportional relief valve 12 and the oil inlet of the two-position four-way electromagnetic reversing valve 17 are connected. The signal line of the signal genera...
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