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A Realization Method of Electric Proportional Control Hydraulic Multi-way Valve

An implementation method and technology of multi-way valves, applied in the field of electric proportional control hydraulic multi-way valves, can solve the problems of complex control algorithms, difficulty in large-scale popularization and application, and high cost of implementation, and achieve high control precision, simple structure, and fast response Effect

Active Publication Date: 2022-05-10
青岛鸿合数字技术有限公司
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  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to provide a method for realizing an electric proportional control hydraulic multi-way valve. The multi-way valve obtained by the method can solve the problems of high cost of implementation of the existing electric proportional multi-way valve, complex control algorithm, and difficulty in large-scale promotion. application problem

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Embodiment Construction

[0041] In order to make the technical objectives, technical solutions and beneficial effects of the present invention clearer, the following in conjunction with the attached Figure 1-11 The technical solution of the present invention is further described with specific embodiments. In the following embodiments, the direction in which the spool of the spool moves toward the driving unit is referred to as the left direction, and the direction in which the spool of the spool moves away from the driving unit is referred to as the right direction.

[0042] A realization method of electric proportional control hydraulic multi-way valve is as follows:

[0043] Such as figure 1 As shown, an electro-proportional hydraulic control device is installed at one end of each reversing unit of the multi-way valve. The electro-proportional hydraulic control device converts the rotary motion into a linear motion proportional to the rotary motion through the drive unit 3, and then through the se...

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Abstract

The invention discloses a method for realizing an electric proportional control hydraulic multi-way valve. An electric proportional hydraulic control device is respectively installed at one end of each reversing unit of the multi-way valve, and the electric proportional hydraulic control device converts the rotational motion into The rotary motion is proportional to the linear motion, and then the signal provided by the drive unit is amplified by the servo hydraulic unit to drive the main valve core of the multi-way valve to realize the electric proportional control of the multi-way valve. The electric proportional control hydraulic multi-way valve obtained through the technical solution of the present invention can solve the problems of the existing electric proportional multi-way valve that the implementation cost is high, the control algorithm is complex, and it is not easy to popularize and apply in a large area.

Description

technical field [0001] The invention belongs to the technical field of electro-hydraulic servo control of a hydraulic multi-way reversing valve, and mainly relates to a proportional multi-way reversing valve under centralized control in a hydraulic system, in particular to a method for realizing an electric proportional control hydraulic multi-way valve. Background technique [0002] The multi-way reversing valve (referred to as the multi-way valve) is a control valve group widely used in the hydraulic system of mobile machinery, which controls the reversing of hydraulic actuators (such as hydraulic cylinders), so that the hydraulic oil in the hydraulic system controls the movement of the actuators. The device for the direction and speed of movement; because it can combine various valves according to the requirements of different hydraulic systems, it has the advantages of compact structure, simple pipeline, small pressure loss, large flow rate, and convenient installation. I...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B13/043F16K11/07F16K31/04F16K31/36
CPCF15B13/043F16K11/07F16K31/04F16K31/36
Inventor 尹修杰
Owner 青岛鸿合数字技术有限公司
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