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Mechanical decoupling force transducer

A force measuring sensor and force sensor technology, which is applied in the direction of mechanical equipment, measuring force components, linear motion bearings, etc., can solve the problems of large numerical errors, difficulty in measuring small forces, and large errors, and achieve high sensitivity and measurement The effect of wide range and small error

Active Publication Date: 2021-03-16
SICHUAN PROVINCIAL MECHANICAL TECHNOLOGY SERVICE CENTRE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The full-scale measurement method is adopted, and the relative error is very large in the range of small force measurement, so it is difficult to measure small force. When measuring small force, the numerical error is large or it is difficult to measure the change of small force.

Method used

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  • Mechanical decoupling force transducer
  • Mechanical decoupling force transducer
  • Mechanical decoupling force transducer

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0018] Such as figure 1 and image 3 As shown, a mechanically decoupled load cell provided by the present invention includes a sensor holder 1, a force sensor 5, a slide rail device and a connecting plate 12, the end of the force sensor 5 is connected with the sensor holder 1, and the force sensor The other end of 5 links to each other with connecting plate 12 through slide rail device. The force generated by the object to be measured inside the sensor holder 1 is decomposed by the sensor holder 1 and then measured by the force sensors 5 respectively.

[0019] In this embodiment, the sensor fixing frame 1 is a rectangular cylinder structure, and a sensor fixing frame hole is opened in the middle of the sensor fixing frame 1, and the cross section of the sensor fixing frame hole is rectangular and has a through-hole structure. A mouth-shaped frame ...

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Abstract

The invention discloses a mechanical decoupling force transducer, which comprises a transducer fixing frame, a force transducer, a slide rail device and a connecting plate, the end part of the force transducer is connected with the transducer fixing frame, and the other end of the force transducer is connected with the connecting plate through the slide rail device. Force generated by a to-be-measured object in the sensor fixing frame is decomposed by the sensor fixing frame and then is measured by the force sensors respectively. The mechanical decoupling force transducer provided by the invention is high in sensitivity and wide in measurement range.

Description

technical field [0001] The invention belongs to the technical field of force detection systems of mechanisms, and in particular relates to a mechanically decoupled force measuring sensor. Background technique [0002] In the actual force measurement process, because the direction of the force vector and the direction of the sensor force measurement vector are not in the same axis, only the moment is compensated, but the component force formed by the structural load is powerless, so the high-precision measurement is an independent measurement designed for one axis Mechanism, the error of the multi-axis load cell on the market is too large. The general solution is to use soft compensation, that is, to use the phenomenon that the force on the sensor in the normal direction is the bending moment, and the rod that bears the bending moment is under compression on one side and tension on the other side, and uses software to process calibration and offset. This method cannot object...

Claims

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Application Information

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IPC IPC(8): G01L5/16F16C29/00F16C29/04
CPCG01L5/16F16C29/004F16C29/04
Inventor 李志伟李冠豪乐然
Owner SICHUAN PROVINCIAL MECHANICAL TECHNOLOGY SERVICE CENTRE CO LTD
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