Development of a Calibration Device for Vibrating Wire Strain Gauges Based on Hydraulic Drive

LI Ting; YANG Lu; CHEN Xiaping; WANG Mengqi; ZHANG Yongjun

doi:10.12338/j.issn.2096-9015.2023.0307

Volume 68 Issue 3

Mar. 2024

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Article Navigation > Metrology Science and Technology > 2024 > 68(3): 52-57, 37

LI Ting, YANG Lu, CHEN Xiaping, WANG Mengqi, ZHANG Yongjun. Development of a Calibration Device for Vibrating Wire Strain Gauges Based on Hydraulic Drive[J]. Metrology Science and Technology, 2024, 68(3): 52-57, 37. doi: 10.12338/j.issn.2096-9015.2023.0307

Citation:

LI Ting, YANG Lu, CHEN Xiaping, WANG Mengqi, ZHANG Yongjun. Development of a Calibration Device for Vibrating Wire Strain Gauges Based on Hydraulic Drive[J]. Metrology Science and Technology, 2024, 68(3): 52-57, 37. doi: 10.12338/j.issn.2096-9015.2023.0307

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Development of a Calibration Device for Vibrating Wire Strain Gauges Based on Hydraulic Drive

doi: 10.12338/j.issn.2096-9015.2023.0307

1.
Hunan Institute of Metrology and Test, Changsha 410014, China

Received Date: 2023-11-22
Accepted Date: 2023-12-15
Rev Recd Date: 2024-01-02

Available Online: 2024-01-19

Publish Date: 2024-03-01

Abstract

Abstract

Traditional vibrating wire strain gauge calibration devices generally use manual or low-power motor drives as the driving force, making it difficult to meet the calibration requirements of vibrating wire strain gauges that require large measurement forces. To address this issue, a hydraulic-driven vibrating wire strain gauge calibration device has been designed and developed. The calibration device can be adjusted within a range of 50-200 mm, and a universal fixture has been designed to achieve clamping and fastening of vibrating wire strain gauges of different sizes, models, and shapes. The device features a compact structure and convenient, labor-saving operation. It has been verified that the hydraulic drive greatly reduces the force required for calibration, while the calibration results remain consistent with traditional strain gauge measurement data. The experimental measurement uncertainty U=0.6% (k=2) is less than 0.7%, meeting the calibration specification requirements.
- metrology,
- vibrating wire strain gauge,
- calibration devices,
- large measurement forces,
- hydraulic drives,
- universal fixtures,
- measurement uncertainty

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References(30)

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