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Working mode conversion device and pressure selection valve

A technology of converting device and working mode, applied in hydraulic field

Pending Publication Date: 2021-08-10
BEIJING ZHZ TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the embodiments of the present invention is to provide a work switching device and a pressure selection valve to solve the problem of providing continuous and stable power for the switching valve without hydraulic power

Method used

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  • Working mode conversion device and pressure selection valve
  • Working mode conversion device and pressure selection valve
  • Working mode conversion device and pressure selection valve

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Embodiment Construction

[0051] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0052] see figure 1 , figure 1 The structural schematic diagram of the first working mode switching device provided by the embodiment of the present invention, the device includes: a pressure selection valve 1 and a switching valve 2;

[0053] The pressure selection valve 1 includes: a solenoid valve 11 and a first one-way valve 12;

[0054]The switching valve 2 includes: an input interface and a working interface for connecting with the main working pipelin...

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Abstract

The embodiment of the invention provides a working mode conversion device and a pressure selection valve. The working mode conversion device comprises the pressure selection valve and a conversion valve; the pressure selection valve comprises an electromagnetic valve and a first one-way valve; a second interface is connected with a liquid outlet of the first one-way valve; a third interface is connected with an input interface of the conversion valve; a liquid inlet of the first one-way valve is connected with a hydraulic source; when a circuit interface is connected with a power supply, connection between the first interface and the third interface is triggered to be blocked, and connection between the second interface and the third interface is triggered; and when the circuit interface is not connected with the power supply, connection between the second interface and the third interface is triggered to be blocked, and connection between the first interface and the third interface is triggered. By applying the scheme of the working mode conversion device, continuous and stable power can be provided for the conversion valve without hydraulic power.

Description

technical field [0001] The invention relates to the field of hydraulic technology, in particular to a work conversion device and a pressure selection valve. Background technique [0002] Hydraulic transmission is a form of transmission in which fluid is used as the working medium to transmit and control energy. Compared with electric transmission and mechanical transmission, hydraulic transmission has the advantages of large output force, compact structure, small size, convenient speed regulation and easy control. Advantages, so hydraulic transmission is widely used in aircraft. [0003] Among them, the hydraulic transmission applied on the aircraft refers to the transmission form in which the oil is used as the working medium on the aircraft and the load mechanism is driven by oil pressure to complete a specific control action; in the prior art, the working principle of the hydraulic transmission applied on the aircraft is: During the flight of the aircraft, the hydraulic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B13/02
CPCF15B13/021
Inventor 唐甜张超田刚印郭志攀
Owner BEIJING ZHZ TECH