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Displacement sensor positioning structure used for hydraulic sliding valve element

A displacement sensor and positioning structure technology, which is applied in the direction of sliding valves, valve devices, engine components, etc., can solve problems such as low efficiency and inconvenient debugging process, achieve the effects of reducing the number of disassembly and assembly, convenient and fast debugging, and improving work efficiency

Inactive Publication Date: 2017-01-11
XIAN FLIGHT SELF CONTROL INST OF AVIC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] During the debugging process of the multi-way valve sensor of the excavator, when the sensor core is loosened and locked, because the valve core can rotate 360 ​​degrees, the spring cover on the other side must be removed every time for debugging, which brings difficulties to the debugging process. inconvenience, inefficiency

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  • Displacement sensor positioning structure used for hydraulic sliding valve element
  • Displacement sensor positioning structure used for hydraulic sliding valve element
  • Displacement sensor positioning structure used for hydraulic sliding valve element

Examples

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Embodiment Construction

[0014] A displacement sensor positioning structure for hydraulic spool valve spool. There are threaded holes and process holes 3 on the right end surface of the spool 5. One end of the sensor core 4 is threadedly connected with the threaded holes and locked by double nuts. There are two process holes 3, in the process of adjusting the position of the sensor core 4, by inserting the two pins 6 of the special wrench 7 into the process holes 3 to control the position of the valve core 5 relative to the valve sleeve 2 Rotate, thereby keeping the spring 1 at the other end of the spool 5 all the time.

[0015] One of the pins 6 of the special wrench 7 can be slightly adjusted.

[0016] During the debugging process, when loosening and locking the sensor core 4, the special wrench 7 and the external hexagonal wrench are assisted to form a torque force relative to the rotation, realizing the loosening and locking of the sensor core 4, and avoiding the The core 5 can rotate 360 ​​degre...

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Abstract

The invention belongs to the auxiliary debugging technology of a multitandem valve displacement sensor, and particularly relates to sensor position precision debugging. In the debugging process of a multitandem valve sensor of an excavator, when a sensor iron core is loosened and locked, because a valve element can rotate by 360 degrees, during each-time debugging, a spring cover on the other side needs to be detached, the debugging process is inconvenient, and the efficiency is low. In order to solve the problems, two process holes are machined in the end face of the valve element in a debugging manner, a dedicated wrench with a small pin is used for positioning, in the debugging process, when a locking nut is dismounted and mounted, a spring cover on the other end does not need to be detached, the dismounting and mounting frequency is reduced, debugging is convenient and rapid, and work efficiency is improved.

Description

technical field [0001] The invention belongs to the auxiliary debugging technology of a multi-way valve displacement sensor, and in particular relates to the debugging of the position accuracy of a sensor. Background technique [0002] The excavator multi-way valve sensor is installed on the spool to detect the displacement of the spool. The movement of the spool directly controls the entire operation of the excavator. The sensor is used to feedback the position of the spool to realize the closed-loop control of the multi-way valve. , Installing a position sensor on the excavator multi-way valve spool is the first innovation of domestic construction machinery. [0003] During the debugging process of the multi-way valve sensor of the excavator, when the sensor core is loosened and locked, because the valve core can rotate 360 ​​degrees, the spring cover on the other side must be removed every time for debugging, which brings difficulties to the debugging process. Inconvenie...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K37/00F16K3/314
CPCF16K37/0083F16K3/314
Inventor 王升张青苗
Owner XIAN FLIGHT SELF CONTROL INST OF AVIC