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Research on Electro-hydraulic Proportional Control Variable Mechanism of Axial Piston Hydraulic Pump
Abstract: The variable mechanism of electro-hydraulic proportional control of axial piston hydraulic pump is discussed, its composition and working principle are expounded, and it is a closed-loop position control system, which consists of electronic...
Self-adaptive Lubrication Characteristics of Conical Flow Distribution Pairs of Ball-piston Hydraulic Pumps
ABSTRACT: On the basis of the wide application of end-face distribution and axial distribution in hydraulic pumps, a conical distribution method applied to ball piston pumps is proposed, and the dynamic variation law of the distribution axis under...
Modular Hydraulic Piston Pump Automatic Device
Modular hydraulic piston pump automatic device is used to collect crude oil in directional vertical wells with diameter of 140, 146 and 168 m from 2 to 8_. Crude oil density is 0.87g/cm, water content is 90%, mechanical impurity is 0.1g/l, and hydrogen...
Axial piston variable pump A10VO series 31
Axial piston variable pump A10VO series 31 An axial piston pump is a positive displacement pump that has a number of pistons in a circular array within a cylinder block. It can be used as a stand-alone pump, a hydraulic motor or an automotive air...
Rexroth Piston Pumps
A piston pump is a type of positive displacement pump where the high-pressure seal reciprocates with the piston. Piston pumps can be used to move liquids or compress gases. They can operate over a wide range of pressures. High pressure operation can be...
Matching Calculation of Pump-Motor in Hydraulic System of Crawler Walking Mechanism of Coal Loader
ABSTRACT: Typical faults of caterpillar walking mechanism of fully hydraulic coal loader are expounded, such as insufficient traction and slippage of caterpillar. These faults are mainly caused by the mismatch of the flow and pressure of the pump-motor...
Application Analysis on Selection of Hydraulic Pump and Motor of SD5K Hydrostatic Bulldozer
Abstract: Hydrostatic crawler bulldozer is the high-end equipment of bulldozer, which has the advantages of strong power, continuously variable speed, in situ and power steering, low fuel consumption, comfort and good control performance, and has become...
Design and Realization of Fault Simulation Test for Aviation Hydraulic Pump
ABSTRACT: This paper introduces the design and implementation process of fault simulation test for aero-hydraulic pump. The fault mechanism of hydraulic pump is sorted out from the angle of investigation and statistics. Through the analysis of FMECA,...
Oil Circuit Design of Hydraulic Pump Test-bed Based on Power Recovery
ABSTRACT: The research and development of hydraulic pump test-bed plays an important role in the production and testing of high-quality and high-performance hydraulic pumps. In this paper, the hydraulic circuit based on the power recovery hydraulic pump...
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