Straight fairway circular pier nondestructive anti-collision system and anti-collision method thereof

By combining a floating frame and a torsion rope, the impact force of the ship is converted into the torsional motion of the anti-collision device. The torsion rope and counterweight unload the impact force of the ship, achieving non-destructive protection and multiple uses of the bridge anti-collision system, and reducing maintenance costs.

CN117702689BActive Publication Date: 2026-06-26CHANGJIANG CHONGQING WATERWAY BUREAU
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHANGJIANG CHONGQING WATERWAY BUREAU
Filing Date
2023-12-06
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing bridge collision avoidance devices are prone to causing damage to ships and bridge piers during collisions, and they are also costly to maintain and have a limited number of uses.

Method used

The system employs a combination of floating frame, torsion rope, and counterweight. It converts the impact force of the ship into the torsional motion of the anti-collision device, and uses the torsion rope and counterweight to unload the impact force of the ship and guide the ship's movement. At the same time, the anti-collision device of the pier automatically resets.

Benefits of technology

It effectively avoids damage to ships and minimizes the impact on bridge piers, allowing for repeated use with virtually no maintenance or repair costs.

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Abstract

The application discloses a kind of straight fairway circular pier nondestructive anti-collision system and its anti-collision method, wherein the anti-collision system includes intermediate rotating outer sleeve floating frame on pier, torsion rope that hinders the rotation of floating frame, guiding device for guiding torsion rope and counterweight fixed to the end of torsion rope;Floating frame is the long axis along the longitudinal arrangement of oval shape, the guiding device is fixed to the bottom of water under the front end of floating frame, the front end of the torsion rope is fixed to the front end of floating frame, the rear end of torsion rope is arranged to the rear after being penetrated into the bottom of water and passing through guiding device downwards, the counterweight is fixed to the rear end of torsion rope and keeps the tendency of moving backwards under the action of water flow;Effectively avoid ship damage and the impact force of pier is not big, at the same time, can be repeatedly used and basically has no maintenance and repair cost in later period.
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