Research on Bearing Mechanism of Spherical Valve Pairs of Axial Piston Pumps
Shunhai Xu,
Chunxiao Zhao,
Dian He
et al.
Abstract:The hydraulic system drives the cutter head mechanism to realize the excavation of large tunnel boring equipment, which puts forward the technical requirements of high pressure and large flow to the pump source. The traditional small displacement axial piston pump uses a planar valve plate. However, under high flow and heavy load conditions, the planar valve plate configuration is prone to uneven wear due to the high-pressure and -velocity (PV) value and pressure shock, which ultimately affects the reliability… Show more
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