Rotating Bridge Crane Platform for Front Girder Extension Work
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Solution Overview
Problem
The lack of a construction platform for modifying existing single-box girder bridge cranes on transport ships to accommodate increased height and width requirements in the shipping industry.
Innovation Solution
A bridge crane construction platform comprising a platform framework connected to a translation trolley, a fixing frame with a rotating single-arm mechanism, and a lifting hook mechanism, equipped with stepper motors for controlled movement and adjustment, enabling efficient extension and maintenance operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a construction platform is added to modify bridge cranes, then construction capability is improved, but device complexity increases
Solution Approach 1:
The construction platform is divided into modular components: a mobile platform body with wheels for transportation, a separate rotating single-arm mechanism, and a lifting hook mechanism. This segmentation allows each component to be independently manufactured, assembled, and maintained, reducing overall system complexity while maintaining construction capability.
Solution Approach 2:
The platform framework serves multiple functions: it provides structural support for the rotating mechanism, acts as a mobile construction platform when positioned, and enables both translation and rotation movements. This multi-functionality reduces the need for separate dedicated structures, thereby reducing device complexity.
2Adaptability or versatility
If a rotating single-arm mechanism is added to adjust direction, then applicability is improved, but device complexity increases
Solution Approach 1:
The single arm is designed with rotational capability around the vertical axis, allowing dynamic adjustment of the lifting direction. This dynamic positioning enables the mechanism to adapt to different bridge crane configurations and component arrangements, improving applicability without requiring multiple fixed-position mechanisms.
Solution Approach 2:
The rotating single-arm mechanism combines the rotation function with the lifting function in a single integrated structure. The single arm both rotates to adjust direction and extends to perform lifting operations, merging two functions into one mechanism to reduce overall complexity.
3Ease of operation
If the platform is made mobile to improve maneuverability, then operational flexibility is improved, but stability may worsen
Solution Approach 1:
The platform incorporates a mobile design with wheels for easy transportation and positioning, and a rotating single-arm mechanism for dynamic adjustment during operations. This dynamic design allows the platform to be moved and repositioned as needed, improving maneuverability while maintaining operational flexibility.
Solution Approach 2:
The platform includes a mobile base with wheels that allows preliminary positioning before construction operations begin. The platform can be transported to the required location and secured in place before the rotating and lifting operations commence, ensuring stability during actual construction work.
Data Source
AI summary
The utility model provides a bridge crane construction platform, including: a platform framework, which is configured to be connected to a translation trolley of a girder of a bridge crane: a fixing frame, wherein a first end of the fixing frame is fixedly connected to the platform framework: a rotating single-arm mechanism, which is arranged at a second end of the fixing frame and is rotatably connected to the fixing frame, and the second end facing away from the first end: a lifting hook mechanism, which is arranged on the rotating single-arm mechanism and is used for lifting materials. For the bridge crane construction platform of the utility model, the platform framework is arranged on a platform trolley of the bridge crane, so that the platform framework can rapidly translate along with the platform trolley, and the maneuverability of the bridge crane construction platform is effectively improved. In addition, the rotating single-arm structure, which can rotate, is provided on the fixing frame on the platform framework, so that the direction of the rotating single-arm structure can be adjusted according to the arrangement of components in the bridge crane. In this way, the applicability is effectively improved, and the extension construction of parts and components at a front end of a front girder of the bridge crane is implemented.