Engine chain system tightener plunger displacement measurement device and measurement method

A technology of measuring device and tensioner, applied in the direction of measuring device, electric device, instrument, etc., can solve the problems of sensor installation and debugging, and achieve the effect of meeting high performance requirements

Inactive Publication Date: 2017-06-06
QINGDAO CHOHO IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the troublesome technical problem of sensor installation and debugging in the prior art, the present invention provides a plunger displacement measurement device for the tensioner of the engine chain system, which can detect the tension of the engine timing chain under different working conditions in real time The displacement fluctuation of the tensioner plunger, and then understand the working condition of the chain system under test, which is helpful to test the working performance of the engine tensioner, and provides guarantee for meeting the high performance requirements of the engine

Method used

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  • Engine chain system tightener plunger displacement measurement device and measurement method

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Embodiment Construction

[0023] The measuring device is composed of metal conductor 2, displacement sensor 1, tension rail 3, data acquisition processor 5 and computer 6. Displacement sensor 1 is a non-contact eddy current displacement sensor, which is installed on the side cover of the engine. The conductor 2 is a cylindrical metal sheet, which is installed on the tension rail bracket of the chain system. The tension rail bracket supports the tension rail 3 and is connected with the tension rail 3. When the tension rail 3 swings, it drives the metal conductor 2 to move, and the tension rail 3 moves. When the tight rail 3 is not moving, the probe of the displacement sensor 1 is facing the metal conductor 2. When the tension rail 3 swings, the metal conductor 2 is driven to swing, so that the distance between the metal conductor 2 and the probe of the displacement sensor 1 changes, and the displacement sensor 1 can accurately measure the metal conductor 2. The dynamic relative displacement change betwee...

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Abstract

The invention provides an engine chain system tightener plunger displacement measurement device and a measurement method. The measurement device comprises a data acquisition processor, a computer, a tightening rail, a tightening rail support for supporting the tightening rail, a metal conductor arranged on the tightening rail support, and a displacement sensor fixed on the side cover of the engine, wherein the tightener plunger ejects against the tightening rail; and the data acquisition processor is respectively electrically connected with the displacement sensor and the computer. The tightener plunger displacement fluctuation condition of the engine timing chain in different working conditions can be detected in real time, the working condition of the measured chain system is further known, the working performance of the engine tightener is checked, and guarantee is provided for meeting high-performance requirements of the engine.

Description

technical field [0001] The invention belongs to the field of mechanical equipment, and in particular relates to a measuring device and a measuring method for detecting the displacement of a plunger of a timing chain system tensioner during engine operation. Background technique [0002] The tensioner is a commonly used holding device on the timing system of the automobile engine. The function of the tensioner is to keep the timing chain at a relatively stable tension during the transmission process, and at the same time it can absorb and compensate the impact of the chain during the working process. The expansion and contraction caused by force deformation and other reasons. In this way, failure problems such as tooth skipping or tooth loss of the timing chain can be avoided, and the vibration amplitude and noise of the chain can be reduced, and the wear of the sprocket and the chain can be reduced. [0003] The structure of the tensioner is various, mainly divided into hyd...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/02
Inventor 金玉谟陶龙付振明金丽君
Owner QINGDAO CHOHO IND CO LTD
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