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Torque sensor component and torque measuring method

A torque sensor and component technology, applied in force/torque/power measuring instruments, measuring devices, torque measurement, etc., can solve the problem of large torque error of the output shaft, achieve the effect of improving accuracy and saving installation space

Inactive Publication Date: 2018-09-28
BEIJING SHITONG KECHUANG TECH
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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 torque sensor assembly and a method for measuring torque, which solves the problem in the prior art that the output shaft torque error is relatively large when measuring the input shaft torque of the reducer and then converting the output shaft torque of the reducer, and achieves Effect of Reducing Output Shaft Torque Measurement Error

Method used

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  • Torque sensor component and torque measuring method
  • Torque sensor component and torque measuring method
  • Torque sensor component and torque measuring method

Examples

Experimental program
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Effect test

Embodiment 1

[0027] like figure 1 As shown, a torque sensor assembly is used to measure the torque of the gear shaft 3 of the lifting gear on the offshore lifting platform, and is located at the output end of the reducer. The torque sensor assembly includes a torque sensor 1 and a fixing member 2, the free end of the gear shaft 3 is provided with a mounting hole 31 along the axis direction, the torque sensor 1 and the fixing member 2 are located in the mounting hole 31, and the torque sensor 1 passes through the fixing member 2 is fixed in the mounting hole 31. When the gear shaft 3 is twisted and deformed due to the load, the torsional deformation of the gear shaft 3 can be transmitted to the torque sensor 1 through the fixing member 2, so that the torque sensor 1 can generate a torque reading. Since the torque sensor 1 and the fixing member 2 are located in the mounting hole 31 of the gear shaft 3, a large amount of installation space can be saved, so that the torque sensor 1 can be arr...

Embodiment 2

[0037] A method for measuring torque, characterized in that it includes the following steps: S1: Open a mounting hole 31 along the axial direction on the end surface of the measuring shaft at the measuring place; S2: Install the torque sensor 1 in the mounting hole 31 through the fixing piece 2 , to ensure that the torsion shaft 11 of the torque sensor 1 is coaxial with the mounting hole 31 ; S3 : convert the torque measured by the torque sensor 1 into the torque of the measurement shaft.

[0038] There are various forms of the fixing part 2 , whichever can fix the torque sensor 1 in the installation hole 31 . When the structure of the fixing part 2 adopts the structure described in the first embodiment, the steps of using the fixing part 2 to fix and install the fixing part 2 refer to the first embodiment.

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PUM

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Abstract

The invention relates to a torque sensor, in particular to a torque sensor component and a torque measuring method. The torque sensor component comprises torque sensors and fixing parts and is used for measuring a torque of a gear shaft at an output end of a speed reducer, a free end of the gear shaft is axially provided with a mounting hole, and the torque sensors and the fixing parts are positioned in the mounting hole. Each torque sensor comprises a torsion shaft and a strain gauge, each strain gauge is tightly attached to the surface of the corresponding torsion shaft, and the torsion shafts are fixed in the mounting hole through the fixing parts. By arrangement of the torque sensors in the mounting hole of the gear shaft, mounting space saving is realized; mounting the torque sensorsat the output end of the speed reducer in a narrow space makes it convenient to directly measure the torque of the gear shaft, and accordingly accuracy in measurement is improved; in addition, measurement of a large torque of the gear shaft through the small-range torque sensors is further realized.

Description

technical field [0001] The invention relates to a torque sensor, in particular to a torque sensor component and a method for measuring torque. Background technique [0002] Torque sensors are widely used in various torque detection occasions in industry. On the offshore lifting platform, the lifting platform is supported on three vertically arranged supporting columns, and racks are arranged on the supporting columns, and a plurality of lifting gears are arranged on the lifting platform to mesh with the racks on the supporting columns. There are 18-24 lifting gears meshed on the bar, and the synchronous rotation of multiple lifting gears drives the lifting platform to rise and fall along the support column. Due to the heavy weight of the offshore lifting platform itself, the load of each lifting gear is required to be roughly equal. If the load of the lifting gear is uneven, the lifting gear shaft with a larger load will be heavier than other lifting gear shafts under long-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L3/10G01L5/00
CPCG01L3/108G01L5/0061
Inventor 时大卫
Owner BEIJING SHITONG KECHUANG TECH