Disease monitoring device for bridge crossing expressway

The bridge monitoring device, with its movable base and multi-stage transmission structure, solves the problems of high efficiency and reliability in monitoring cracks on the bottom of bridges, achieving efficient visual monitoring of the bridge bottom, reducing labor costs and improving monitoring speed and accuracy.

CN224247582UActive Publication Date: 2026-05-15GUANGZHOU RAPID TRANSIT CONSTR
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Patent Information

Application Number
CN202521264458.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-19
Publication Date
2026-05-15
Estimated Expiration
2035-06-19

AI Technical Summary

Technical Problem

Existing methods for monitoring cracks on the underside of bridges require significant manpower, are slow, and have poor reliability, making it difficult to achieve efficient visual scanning monitoring of the bridge underside.

Method used

The system employs a combination of a movable base, a rotating support, a telescopic assembly, and a monitoring assembly. The angles of the support and telescopic assembly are controlled by hydraulic push rods and a rotating transmission frame. Combined with a multi-stage transmission structure and multiple monitoring cameras and supplementary lights, it enables visual monitoring of the bridge's underside.

Benefits of technology

It enables efficient, long-span visual monitoring of the bridge bottom, reduces labor costs, improves monitoring speed and reliability, and ensures the accuracy and coverage of photographic records.

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Abstract

The utility model aims to provide the highway crossing bridge disease monitoring device capable of performing large-span visual scanning monitoring on the bottom surface of a bridge floor monitoring bridge. The bridge monitoring device comprises a movable base, a rotary supporting seat rotationally connected to the movable base and used for adjusting the angle, a telescopic assembly rotationally connected with the rotary supporting seat and used for adjusting the monitoring height, and a monitoring assembly rotationally connected with the movable end of the telescopic assembly and used for bridge monitoring. The movable end of the rotary supporting base is rotationally connected with a telescopic adjusting device, a rotary transmission frame used for adjusting the opening angle is connected between the rotary supporting base and the telescopic assembly, and the movable end of the telescopic adjusting device is matched with the middle of the rotary transmission frame in a pushing mode. The highway bridge disease monitoring device is applied to the technical field of highway bridge disease monitoring devices.
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