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Centering device for installing high-strain sensor and using method

A technology of strain sensor and centering device, which is applied in the direction of using optical devices, measuring devices, instruments, etc., can solve the problems that affect the accuracy of detection data and the difficulty of accurately controlling the measurement angle of steel tapes, and achieve convenient locking and measurement data errors. Small, the effect of reducing the error

Pending Publication Date: 2021-11-19
浙江交工交通科技发展有限公司
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AI Technical Summary

Problems solved by technology

[0005] However, it is difficult to accurately control the measurement angle of the steel tape when measuring data with a steel tape, which leads to large errors in the measured data and affects the accuracy of the detection data.

Method used

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  • Centering device for installing high-strain sensor and using method
  • Centering device for installing high-strain sensor and using method
  • Centering device for installing high-strain sensor and using method

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Embodiment Construction

[0038] The following is attached Figure 1-3 The present invention is described in further detail.

[0039] A centering device for installing a high-strain sensor disclosed in the embodiment of the present application is used to locate the installation position of the strain sensor and the acceleration sensor in the circumferential direction of the pile foundation 1, such as figure 1 , 2As shown, it includes a centering assembly 2 and a leveling assembly 3 for leveling the centering assembly 2. The centering assembly 2 includes a centering plate 21 and two measuring pieces 22 installed on the centering plate 21. The centering plate 21 includes two receiving plates 212 and a connecting plate 211. The shape of the connecting plate 211 can be arbitrary. In the embodiment of this application, one is used as an example. The middle part of the connecting plate 211 is bent into a right angle, and the two receiving plates 212 Relatively located at both ends of the connecting plate 2...

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Abstract

The invention discloses a centering device for installing a high-strain sensor and a using method, relates to the technical field of pile foundation detection. The device is used for positioning the mounting positions of a strain sensor and an acceleration sensor in the circumferential direction of a pile foundation, and comprises a centering assembly and a leveling assembly for leveling the centering assembly. The centering assembly comprises a centering plate and two measuring pieces arranged on the centering plate, the leveling assembly comprises a leveling bubble arranged on the centering plate, a plurality of supporting rods arranged at the lower end of the centering plate and a plurality of locking pieces, the supporting rods are telescopic rods, the locking pieces are used for locking the corresponding supporting rods, the lower ends of the supporting rods abut against the ground in the circumferential direction of the pile foundation, the measuring pieces comprise laser range finders arranged on the centering plate, the two laser range finders are oppositely arranged, and the connecting line between the two laser range finders intersects with the pile foundation. According to the invention, the installation positions of the strain sensor and the acceleration sensor can be accurately positioned, so that the detection error is reduced.

Description

technical field [0001] The invention relates to the field of pile foundation detection, in particular to a centering device and a use method for installing high-strain sensors. Background technique [0002] Pile foundation refers to the deep foundation composed of piles and pile caps connected to the top of the pile. Pile foundation is a common foundation form in bridges, wharfs, buildings and other projects. For safety reasons, the performance requirements of pile foundations are relatively high. Therefore, at the end of piling, it is necessary to carry out engineering quality inspection on the pile foundation. [0003] The engineering quality inspection of pile foundation generally includes the inspection of the bearing capacity of single pile and pile group, the inspection of vertical compressive bearing capacity, the inspection of structural integrity, the inspection of pile-soil load sharing ratio in composite foundation, the inspection of pile body and soil stress - S...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 张辉胡辰康倪凯男
Owner 浙江交工交通科技发展有限公司
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