Shield tunnel wall back grouting fullness detection probe
By adjusting the design of the servo motor and lifting plate in the mechanism, multi-dimensional adjustment of the grout fullness detection probe behind the shield tunnel wall is achieved, solving the problem of inconvenient probe position adjustment in the existing technology and improving the convenience and accuracy of detection.
CN224553197UActive Publication Date: 2026-07-24CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
The existing probes for detecting the fullness of grouting behind the shield tunnel wall are difficult to adjust flexibly to different detection points, resulting in cumbersome and inconvenient operation.
Method used
An adjustment mechanism, including a servo motor-driven rotating plate and a lifting plate, combined with an ultrasonic probe, a PLC controller, and an electric push rod, is adopted to achieve multi-directional and multi-angle detection, adapting to the needs of tunnel segments in different areas.
Benefits of technology
It significantly reduces operational complexity, improves detection efficiency, ensures the accuracy and consistency of detection data, and adapts to the continuous detection needs of narrow tunnel spaces.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224553197U_ABST
Abstract
The utility model provides a kind of shield tunnel wall back grouting fullness detection probe, it is related to shield tunnel field, including adjusting mechanism, the bottom fixed mounting of adjusting mechanism has supporting mechanism;The adjusting mechanism includes lifting plate, in the utility model, rotating plate is rotated by servo motor drive, realize the flexible angle adjustment of ultrasonic probe in horizontal direction, the movable connection of connecting plate and connecting rod is matched with positioning rod and clamping block, the pitch angle of probe can be conveniently adjusted, meet the detection needs of different areas of tunnel segment comprehensively, effectively solve the limitation that traditional fixed probe can only detect fixed point, in addition, supporting mechanism uses electric push rod to drive lifting plate, can accurately adjust the detection height of probe according to segment height, adapt to the detection scene of multiple sizes tunnels, simultaneously, the sliding fit design of guide rod and guide cylinder ensures that lifting process is stable and has no inclination, guarantee the perpendicularity and precision of detection.
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