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Hydraulic pressure conversion unit assembly, conversion unit and conversion system

A conversion unit, hydraulic pressure technology, applied in the direction of servo motor components, fluid pressure actuators, mechanical equipment, etc., can solve the problems of immovability, no pressure conversion, etc.

Inactive Publication Date: 2018-05-29
CHINA HELICOPTER RES & DEV INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

No dedicated unit for pressure conversion and not removable

Method used

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  • Hydraulic pressure conversion unit assembly, conversion unit and conversion system
  • Hydraulic pressure conversion unit assembly, conversion unit and conversion system

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Embodiment Construction

[0038] In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below in conjunction with the drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the invention. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below ...

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Abstract

The invention discloses a hydraulic pressure conversion unit assembly, a conversion unit and a conversion system. The hydraulic pressure conversion unit assembly comprises an electrohydraulic controlone-way valve, a pilot relief valve, a remote control valve, a two-position three-way reversing valve, a conversion unit oil inlet and a conversion unit oil outlet; the conversion unit oil inlet communicates with a constant pressure pump station system oil outlet and a one-way valve liquid inlet of the electrohydraulic control one-way valve; the conversion unit oil outlet communicates with a constant pressure pump station system oil return port and a one-way valve oil unloading port of the electrohydraulic control one-way valve; a one-way valve liquid outlet communicates with a pilot oil inletof the pilot relief valve; a pilot remote control port communicates with a remote control valve oil inlet; a pilot oil outlet communicates with a pressure port of an executing mechanism; the pilot oil inlet communicates with a P port of the two-position three-way valve; a T port communicates with the conversion unit oil outlet; an oil return port of the executing mechanism communicates with the other end of a third interface. The hydraulic pressure conversion unit assembly can solve the problem of converting the constant pressure system pressure into different hydraulic pressure required by achannel for testing needs.

Description

technical field [0001] The invention relates to the technical field of hydraulic power systems, in particular to a hydraulic pressure conversion unit assembly, a hydraulic pressure conversion unit and a hydraulic pressure conversion system. Background technique [0002] In the construction of large-scale test plants, the hydraulic power system used in the test generally uses a large-flow hydraulic power unit to provide power for the entire plant test. In the fatigue test, because different tests are required to be carried out under different test loads, different hydraulic pressures are required. . Therefore, it is necessary to adopt a hydraulic pressure regulating device to adjust the system pressure provided by the large-flow hydraulic power unit to the different pressures required by the actual test loading. [0003] At present, in the fatigue test and flight system, the test generally uses a dedicated fatigue test hydraulic power source and pressure conversion device, t...

Claims

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Application Information

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IPC IPC(8): F15B13/02
CPCF15B13/02
Inventor 夏树立唐卫何攀刘洋
Owner CHINA HELICOPTER RES & DEV INST
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