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Noncontact torque testing method with combination of slice metal ring and bearing

A torque testing, non-contact technology, used in measuring devices, torque measurement, power measurement, etc.

Active Publication Date: 2017-01-04
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention provides a non-contact torque testing method in which a sheet metal ring is fused with a bearing in order to solve the problems existing in existing torque testing caused by environmental factors such as high-speed rotating motion of the rotating shaft and narrow space.

Method used

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  • Noncontact torque testing method with combination of slice metal ring and bearing
  • Noncontact torque testing method with combination of slice metal ring and bearing
  • Noncontact torque testing method with combination of slice metal ring and bearing

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Embodiment Construction

[0021] A non-contact torque testing method in which a sheet metal ring is fused with a bearing, and the torque testing device is connected to a resistance detection circuit;

[0022] The torque testing device includes a resistive element pasted on the tested part of the rotating shaft 1, and a capacitive element installed inside the bearing on the rotating shaft 1;

[0023] The resistance element is composed of a first strain gauge 3a and a second strain gauge 3b, one end of each strain gauge is connected to the rotating shaft 1 through a wire, and the mutual positional relationship between the two strain gauges needs to ensure The rotating shaft 1 rotates each resistance strain gauge to generate deformation;

[0024]The capacitor element includes a first insulating spacer ring 7a and a third insulating spacer ring 7c disposed on the outer diameter surface of the bearing inner ring 5b, and a second insulating spacer ring disposed on the inner diameter surface of the bearing ou...

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PUM

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Abstract

The invention relates to the field of rotating shaft torque sensing and testing of a power transmission device, and particularly to a noncontact torque testing method with combination of a slice metal sheet and a bearing, wherein torque dynamic information of a rotating shaft is acquired in a noncontact passive sensing manner. A torque testing device is connected with a resistance testing circuit. The torque testing device comprises a resistor element which is adhered to a tested portion of the rotating shaft, and a capacitor element which is mounted in the bearing on the rotating shaft, wherein the resistor element is composed of a first resistor strain gauge and a second resistor strain gauge. One end of each resistor strain gauge is connected with the rotating shaft through a lead. The position relationship of the two resistor strain gauges ensures deformation of each resistor strain gauge along with rotation of the rotating shaft. According to the noncontact torque testing method, the slice metal ring is combined with the inner ring and the outer ring of the bearing, namely the sensing structure of the slice metal ring is integrated in the bearing, and the slice metal ring is assembled along with the rotating shaft. The torque dynamic information of the shaft can be tested or monitored in real time.

Description

technical field [0001] The invention relates to the field of torque sensing and testing of a rotating shaft of a power transmission device, in particular to a non-contact torque testing method in which a sheet metal ring is fused with a bearing, and in particular acquires torque dynamic information of a rotating shaft in a non-contact passive sensing manner. Background technique [0002] The power transmission of rotary machinery mainly relies on shaft transmission, that is, the rotational motion of the shaft system is an important transmission mode of rotary machinery power transmission, in which torque is one of the most typical dynamic parameters that characterize the dynamic performance of the power transmission system, energy transmission and utilization efficiency of the transmission link one. The advancement of science and technology has promoted the rapid development of mechanical equipment in the direction of electrification, informatization, and intelligence. In or...

Claims

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Application Information

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IPC IPC(8): G01L3/10
CPCG01L3/108
Inventor 陈昌鑫靳鸿马铁华祖静裴东兴武耀艳王宇李祖博
Owner ZHONGBEI UNIV