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Shaft-pin-type force sensor and method for detecting radial force stressed on shaft pin

A force sensor and radial force technology, applied in the sensor field to achieve high precision

Inactive Publication Date: 2013-04-24
SANY HEAVY IND CO LTD (CN)
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention proposes a shaft pin type force sensor and a method for detecting the radial force borne by the shaft pin to solve the problem of detecting multi-directional and complex random radial forces borne by the shaft pin, improve detection accuracy and reduce Measurement error

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  • Shaft-pin-type force sensor and method for detecting radial force stressed on shaft pin
  • Shaft-pin-type force sensor and method for detecting radial force stressed on shaft pin

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Embodiment Construction

[0024] It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present invention will be described in detail with reference to the drawings and in conjunction with the embodiments.

[0025] Combine below Figure 1 to Figure 3 , The preferred embodiment of the present invention will be further described in detail. Such as figure 1 with figure 2 As shown, a shaft pin sensor includes a shaft pin 1 and four strain gauges 3a, 3b, 3c, 3d, and the four strain gauges are evenly arranged in the same circumferential direction of the shaft pin. The four strain gauges 3a, 3b, 3c, and 3d are pasted in the four grooves 2 through a pasting process. The groove 2 is square, and the two ends adopt a semi-circular transition structure. The groove 2 structure can prevent the stress concentration at the groove 2 when the shaft pin 1 is elastically deformed, resulting in the measure...

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Abstract

The invention discloses a shaft-pin-type force sensor. The shaft-pin-type force sensor comprises a shaft pin and at least three strain gauges, the strain gauges are arranged in different radial directions of the shaft pin, and strain signals generated by the strain gauges are independently output. When radial force is stressed on the shaft pin, the strain gauges generate the strain signals and output the strain signals, and size and direction of the radial force stressed on the shaft pin can be acquired through calculation. The invention further provides a method for detecting the radial force stressed on the shaft pin. By means of the shaft-pin-type force sensor and the method for detecting the radial force stressed on the shaft pin, the purpose of detecting multi-directional and complicated random radial force stressed on the shaft pin can be achieved, detecting accuracy can be improved, and measuring errors can be reduced.

Description

Technical field [0001] The invention relates to a sensor, more specifically to a shaft pin type force sensor and a method for detecting the radial force borne by the shaft pin. Background technique [0002] The traditional method of testing the force of the shaft pin is to transform the shaft and pin in the mechanical device into a strain gauge load cell (ie, shaft pin sensor). According to different purposes, it can be conveniently installed at the junction of the two structures, which can not only replace the original shaft pin, but also function as a force sensor, thereby greatly simplifying the mechanical components of the entire force measuring system. This method can make many difficult force measurement problems of the device system extremely simple, without changing the structure and adding parts. Axle-pin sensor embodies the development direction of miniaturization, modularization, integration, and intelligence of electronic weighing instruments. It is an integrated str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01L1/22
Inventor 刘永红朱永生张优云闫玉平钱思思陈渭朱爱斌何志辉
Owner SANY HEAVY IND CO LTD (CN)
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