Load-sensitive vane pump variable mechanism and displacement detection method thereof

A variable mechanism and load-sensitive technology, applied in pump control, mechanical equipment, machine/engine, etc., can solve the problems of power, matching, and displacement detection without displacement sensor, etc., to achieve displacement detection and improve transmission efficiency Effect

Inactive Publication Date: 2021-07-13
XUZHOU UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the variable control of the vane pump is mostly the control form of the constant pressure variable pump, which cannot perform power matching well in the hydraulic system, and does not have a displacement sensor for displacement detection.

Method used

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  • Load-sensitive vane pump variable mechanism and displacement detection method thereof
  • Load-sensitive vane pump variable mechanism and displacement detection method thereof
  • Load-sensitive vane pump variable mechanism and displacement detection method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0028] like figure 1 Shown is a load-sensitive vane pump variable mechanism and its displacement detection method, including: 1-1 vane pump, 1-2 variable mechanism, 1-3, variable mechanism end cover, 1-4, displacement sensor bracket, 1-5. Displacement sensor.

[0029] like figure 1 As shown, the variable ejector rod 5-2 presses against the stator of the vane pump to make the vane pump work at the maximum position. A spring is installed on the variable ejector rod 5-1, and the preload of the spring realizes the maximum displacement when the vane pump is started.

[0030] The variable ejector rod 5-1 is connected with the displacement sensor 1-4, because the variable ejector rod 5-2 is in contact with the stator all the time, so measuring the position of the variable ejector rod 5-1 is equal to measuring the displacement of the vane pump.

[0031]4-2 is the installation bracket of displacement sensor, and the hole of 4-2 and the hole of variable mechanism end cover 1-4 are ins...

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Abstract

The invention discloses a load-sensitive vane pump variable mechanism and a displacement detection method thereof, which are suitable for the hydraulic field. The load-sensitive vane pump variable mechanism comprise a vane pump, and a variable mechanism, a variable mechanism end cover, a displacement sensor support and a displacement sensor are coaxially connected to the vane pump in sequence; the variable vane pump has the advantages of low noise and capability of realizing variables, and is widely applied; and the displacement of the vane pump is detected, the displacement sensor is additionally arranged to measure the displacement of the vane pump, a load-sensitive displacement changing mechanism is designed, and the maximum pressure of the load is detected and fed back to the variable pump, so that the displacement of the pump is adjusted according to the requirement of the load. According to the load-sensitive vane pump variable mechanism, the strcture is simple and reliable, the manufacturing cost is low, the displacement sensor is integrated, electronic collection of the displacement of the variable pump can be well achieved, and a hardware foundation is provided for intelligent control over a hydraulic power oil source.

Description

technical field [0001] The invention relates to a vane pump variable mechanism and a displacement detection method thereof, in particular to a load-sensitive vane pump variable mechanism and a displacement detection method thereof, and belongs to the technical field of hydraulic transmission. Background technique [0002] The vane pump has the advantages of compact structure, small size, stable operation, uniform flow, low pulsation and noise, and long life, and is widely used in the machinery industry. [0003] At present, the variable control of the vane pump is mostly the control form of the constant pressure variable pump, which cannot perform power matching well in the hydraulic system, and does not have a displacement sensor for displacement detection. Contents of the invention [0004] Purpose of the invention: In order to overcome the deficiencies in the prior art, provide a load-sensitive vane pump variable mechanism and its displacement detection method. The cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C14/18F04C14/28
CPCF04C14/18F04C14/28
Inventor 刘成强孙涛马西良张磊韩翔宋威赵云亮刘磊
Owner XUZHOU UNIV OF TECH
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