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Tension and torsion double-component strain sensor

A strain sensor and component technology, applied in the field of sensors, can solve the problems of large azimuth error, influence of machining accuracy, poor anti-offset load capability of sensors, etc., and achieve the effect of reducing azimuth error, improving anti-offset load ability, and high dynamic response frequency

Inactive Publication Date: 2014-03-19
黑龙江华安精益计量技术研究院有限公司
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Problems solved by technology

[0004] The invention provides a tension-torsion dual-component strain sensor. The invention solves the problems of the existing strain sensor due to the influence of the machining accuracy of the elastic body in mechanical processing, which makes the sensor have poor anti-eccentric load capability and large azimuth error. question

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Embodiment Construction

[0021] The present invention will be described in detail below with the best embodiment 。

[0022] Such as Figure 1-6 As shown, a tension-torsion dual-component strain sensor includes a lower threaded flange joint F1, an upper threaded flange joint F2 and a bearing column F3; both the lower threaded flange joint F1 and the upper threaded flange joint F2 are cylindrical structures, The axes of the upper threaded flange joint F2 and the lower threaded flange joint F1 coincide and are set up and down; the bottom surface of the lower threaded flange joint F1 and the top surface of the upper threaded flange joint F2 are respectively provided with a transverse groove F5 and a longitudinal groove F4, and the transverse groove F5 is perpendicular to the longitudinal groove F4; four bearing columns F3 are vertically arranged and connected between the lower threaded flange joint F1 and the upper threaded flange joint F2, and the four bearing columns F3 are evenly distributed on the ax...

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Abstract

The invention discloses a tension and torsion double-component strain sensor and relates to the technical field of sensors, particularly to the improving technology of strain sensors. The tension and torsion double-component strain sensor comprises a lower threaded flange connector, an upper threaded flange connector and bearing columns; both the lower threaded flange connector and the upper threaded flange connector are of a cylindrical structure; the bottom surface of the lower threaded flange connector and the top surface of the upper threaded flange connector are provided with transverse grooves and longitudinal grooves respectively, and the transverse grooves are perpendicular to the longitudinal grooves; the four bearing columns are vertically arranged and connected between the lower threaded flange connector and the upper threaded flange connector and evenly distributed on the circumference which takes the axis of the lower threaded flange connector as the center; a strain sheet for measuring axial tension is adhered to the center of the four bearing columns; strain sheets for measuring torsion are adhered to the roots of the four bearing columns. The tension and torsion double-component strain sensor solves the problems of poor unbalance loading resisting capacity and large position errors of sensors due to influence of the processing precision during the mechanical machining of elastomers of existing strain sensors.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to the improvement technology of strain sensors. Background technique [0002] The strain sensor is a sensor based on measuring the strain generated by the force deformation of the object. Resistance strain gauge is the most commonly used sensing element. It is a sensing element that converts changes in strain on a mechanical component into changes in resistance. [0003] Due to the influence of the processing accuracy of the elastic body in the machining process of the existing strain sensor, the sensor has poor anti-offset load capability and large orientation error. Contents of the invention [0004] The invention provides a tension-torsion dual-component strain sensor. The invention solves the problems of the existing strain sensor due to the influence of the machining accuracy of the elastic body in mechanical processing, which makes the sensor have poor anti-eccentric load...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B7/16
Inventor 焦洋段长生刘玉波东方陈博艾兆春
Owner 黑龙江华安精益计量技术研究院有限公司
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