Tyre steel wires and curtain thread tension sensor

A tension sensor and steel cord technology, which is applied in the sensor field to achieve the effects of good temperature resistance, reliable force transmission and small size

Inactive Publication Date: 2009-12-23
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a tire steel cord tension sensor which uses a large number of steel cords as the skeleton material in the current radial tires. When the tire is formed, it is embedded with the steel cord in the tire. After the tire is formed and vulcanized, a reproducible tension sensor can be output. And easy to monitor electrical signal, used to measure tire cord load, open up another way for smart tire research

Method used

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  • Tyre steel wires and curtain thread tension sensor

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Embodiment

[0020] like figure 1 As shown, for the steel cord tension sensor in this embodiment, the steel cords (1) at both ends are straightened and pressed into the cord layer parallel to the alignment direction of the steel cords to be embedded in the cord layer during tire molding, and the steel sleeve (4 ) at the position of the test point, hinge off the excess steel cord (1) whose length exceeds the width of the ply at both ends, do not press the lead wire (5) on the steel cord (1), and arrange the lead wire (5) between the ply and the Between the rubber, along the direction between the layers, it leads out of the tire from the tire shoulder. After vulcanization, test the output signal of the sensor and clear the bit if the output value is normal. For preventing that whole position is damaged in tire manufacturing process, be full of soft rubber (8) between this steel sleeve (4) and elastic beam (2), steel sleeve (4) two ends outlets are sealed with epoxy resin (6). In order to p...

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Abstract

The present invention is a tire steel cord tension sensor, which is embedded in the tire steel cord layer. The tire steel cord tension sensor comprises: a u-shaped elastic beam, and an induction circuit including four semiconductor strain gauges installed on the surface of the elastic beam , the wire welded on the induction circuit, and two sections of steel cord that pass through the small holes at both ends of the elastic beam respectively. After the above components are combined, they are placed in a steel sleeve. The sleeve is filled with soft glue and the ends are sealed with epoxy. The invention can be embedded in tires, lead wires are connected with test equipment, and the cord tension changes under dynamic and static loading of tires can be obtained.

Description

[0001] Technology area [0002] The invention relates to a sensor, in particular to a tire steel cord tension sensor for vehicles, which is suitable for radial tires using steel cords. Background technique: [0003] The measurement of cord loading is one of the most important areas of experimental research in the tire industry. Research in this direction has been carried out at home and abroad, but no related patents have been issued. R.G.Patterson, S.K.Clark and R.N.Dodge and J.D.Walter have used impedance foil strain gauges (strain gauges) as small force sensors, which can directly measure the cord load in the tire under running conditions, and can also be used together with the cord Inserted one at a time, embedded during tire building, they provide a monitorable electrical signal to measure tire cord loading. The force sensor used by Clark and Dodge ("Tire Stress and Deformation", in "Mechanics of Pneumatic Tire", Ed.Clark, S.K., U.S.DTNHTSA, 1981) is a 1.27cm long thin-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L5/04
Inventor 王国林揭琳锋何志刚应世洲朱晓峰潘宿成安登峰袁春元朱长顺任绍文姬新生朱海涛陈方
Owner JIANGSU UNIV
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