Large hydro-junction ship lock chamber construction tower crane group operation anti-collision joint control method

By installing angle sensors in the tower crane group construction in the lock chamber of the large water conservancy hub and building a multi-center circular motion system, the rotation angle of the tower crane crane boom is monitored in real time and warning the operators, the problem of difficult collision prevention in the cross-overlapping operation of the tower crane group is solved, and construction safety and efficiency are improved.

CN119706650APending Publication Date: 2025-03-28CCCC FOURTH HARBOR ENG CO LTD
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Patent Information

Application Number
CN202411903718.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In the construction of ship locks and lock rooms of large water conservancy hubs, when tower crane groups are cross-over and overlapping, existing methods are difficult to achieve real-time data acquisition, timely data processing and real-time alarm, resulting in difficulty in preventing collisions between tower cranes and collisions between tower cranes and construction targets.

Method used

By installing angle sensors at the appropriate position of each tower crane, the rotation angle of the tower crane lifting arm is obtained and a multi-center circular motion system is constructed to determine the intersection parts and risk angle ranges between different tower cranes. Use angle sensors and alarms to monitor the rotation angle of the tower crane lifting boom in real time and promptly warn operators to avoid collisions.

Benefits of technology

Real-time monitoring and collision prevention of tower crane groups are achieved, construction safety and efficiency are improved, and safety accidents caused by human operational errors are reduced.

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Abstract

The invention aims at providing a large hydro-junction ship lock chamber construction tower crane group operation anti-collision joint control method, and belongs to the engineering monitoring technology. According to the method, an intersection part of a multi-center circular motion system is mapped to a risk area between different tower cranes in a tower crane group, a crane boom starting radius of a tower crane boom is set, the rotation angle of the crane boom relative to the crane boom starting radius is obtained in real time through an angle sensor, and when the rotation angle of the crane boom is close to the risk area, the crane boom starting radius is determined. According to the position relation between the target tower crane and another tower crane having the risk of risk collision with the target tower crane, whether the cargo boom of the target tower crane has the risk of collision or not is judged, and the following rotating state is given; according to the method, when the cargo boom of the tower crane group rotates, whether the target tower crane is safe or not can be judged through the angle obtained by the angle sensor, and the method is more convenient and accurate.
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