High-speed bridge widening construction safety protection device

By designing a safety protection device for high-speed bridge widening construction that includes a chain hoist and a suspender anchor, the problem of the protective platform being difficult to extend below the bridge deck during bridge widening construction was solved, achieving safety protection and flexible operation below the bridge web.

CN224314063UActive Publication Date: 2026-06-02中建六局第四建设有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
中建六局第四建设有限公司
Filing Date
2025-04-22
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

In existing technologies, during the widening construction of high-speed bridges, safety protection and work platforms are difficult to extend below the bridge deck, which cannot effectively protect construction personnel and equipment.

Method used

A safety protection device was designed, which includes a widened beam, a top support, an adjustment device, a lower support frame, a hanger anchoring device, and a chain hoisting device. The chain hoisting device is used to lift the protective work platform below the bridge web, and the hanger anchoring and adjustment device together ensure the stability and flexibility of the platform.

Benefits of technology

It achieves safety protection below the bridge web, reduces the risk of debris falling during drilling or rebar installation, provides a sufficiently rigid operating platform, and has a simple structure that allows it to move freely and adapt to different working surfaces.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224314063U_ABST
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Abstract

The utility model relates to high -speed bridge splicing width construction technical field, concretely is a kind of high -speed bridge splicing width construction safety protection device. The high -speed bridge splicing width construction safety protection device includes: splicing width beam body, top support, adjusting device, lower support frame, derrick anchoring device, lower protection platform, chain block device, the device simple structure can be protected simultaneously in bridge web below, by chain block device, protection work platform is hoisted to web below, reduce the risk that splicing width construction is drilled or is planted in web and falls to bridge below, in addition, the device has enough rigidity and can satisfy the operation construction of construction personnel on it. The walking device of being simultaneously provided makes the improved utility model can walk freely, and it is convenient to use in different working face.
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