A system and method for stabilizing a high-pressure pump

A voltage stabilizing and high pressure technology, which is applied in the direction of fluid pressure actuators, servo meter circuits, mechanical equipment, etc., can solve the problems of hydraulic system shocks, failure to absorb high pressure pump pressure and flow pulsation well, and achieve reliable sealing, Compact structure and high system stability
CN107906059BActive Publication Date: 2020-06-02BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD +1
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
BEIJING TIANMA INTELLIGENT CONTROL TECH CO LTD
Publication Date
2020-06-02

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Patent Text Reader

Abstract

The invention discloses a high-pressure hydraulic pump testing pressure stabilizing system and method. The pressure stabilizing system comprises a tested hydraulic pump, a high-pressure energy accumulator, a low-pressure energy accumulator, an energy accumulator switching device, a pressure sensor and a control part. The high-pressure energy accumulator is connected with a hydraulic pump outlet oil path. The low-pressure energy accumulator is connected with the hydraulic pump outlet oil path through the energy accumulator switching device. After the tested hydraulic pump is started, the pressure sensor monitors the oil path pressure, and when the pressure is smaller than the preset value, oil enters the low-pressure energy accumulator through the energy accumulator switching device, and system pressure stability is maintained through the low-pressure energy accumulator. When the pressure is larger than the preset value, the control part controls the energy accumulator switching deviceto conduct switchover, the oil path and a low-pressure energy accumulator channel are cut off, and system pressure stability is maintained through the high-pressure energy accumulator.
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Description

technical field

[0001] The invention relates to a hydraulic pump stabilizing system, in particular to a high-pressure hydraulic pump testing stabilizing system and a usage method. Background technique

[0002] At present, high-pressure hydraulic pumps generally adopt a plunger structure, so pressure and flow pulsations often occur in the hydraulic system. The pulsation can be reduced by connecting an accumulator at the outlet of the hydraulic pump. However, in the performance test of the high-pressure hydraulic pump, due to the The nominal pressure is very high, and the hydraulic pump factory test must be overloaded, which leads to a very large pressure regulation range of the entire oil system, even reaching 0-50Mpa. At present, a single accumulator is commonly used in the pump test hydraulic system. In the high-pressure test system, if the accumulator inflation pressure is low, although it can meet the pressure stabilization requirements of the system under low pressure co...

Claims

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