Bridge Crane Main Girder End Slot Structure for Adaptable Support
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for supporting the end of a bridge crane's main girder are laborious and require multiple custom-designed joints with varying dimensions and welds, making them time-consuming and challenging to manufacture, especially in cramped spaces, and lack adaptability for different height and lateral diversion requirements.
Innovation Solution
A cutting slot is formed in the central web of the main girder, with a knife plate extending from the slot to the end, allowing for adaptable vertical and lateral support, enabling easier manufacturing and reduced need for internal welding, and allowing for asymmetrical designs without compromising strength or increasing delivery time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional Top Medium Connection methods are used with multiple custom-designed joints and varying dimensions, then the support can meet specific height and lateral diversion requirements, but the manufacturing process becomes laborious and time-consuming
Solution Approach 1:
The patent applies a universal joint design that can accommodate multiple different height and lateral diversion requirements through a single standardized joint type. This universal joint incorporates adjustable elements and standardized interfaces that allow it to adapt to various support conditions without requiring custom-designed joints for each specific case, thereby maintaining adaptability while significantly improving manufacturing productivity
Solution Approach 2:
The joint design incorporates variable parameters such as adjustable plate dimensions, modifiable connection points, and flexible positioning mechanisms that allow the same joint structure to be adapted to different height and lateral diversion requirements. By changing these parameters within a standardized framework rather than redesigning entire joints, the system maintains versatility while streamlining the manufacturing process
2Adaptability or versatility
If multiple custom-designed joints with varying dimensions are used, then specific support requirements can be met, but the complexity of design and manufacturing increases
Solution Approach 1:
The patent employs a universal joint structure that consolidates multiple custom-designed joints into a single standardized component. This universal joint incorporates modular elements and standardized interfaces that can be configured to meet specific support requirements without increasing overall design complexity. The standardization reduces the variety of unique designs needed while maintaining the ability to address different height and lateral diversion needs
Solution Approach 2:
The joint is divided into standardized modular segments that can be independently configured and assembled. This segmentation allows the complex requirements of custom joints to be broken down into manageable, standardized components that can be manufactured separately and assembled systematically, reducing overall design complexity while maintaining adaptability to specific support requirements
3Strength
If internal welding is required for joint assembly, then structural integrity can be achieved, but manufacturing becomes more difficult and time-consuming
Solution Approach 1:
The patent inverts the traditional welding approach by designing joints that are primarily welded from the external side rather than requiring internal welding. The joint geometry is configured so that welding access is obtained from outside the main girder structure, making the welding process easier and more accessible. This inversion maintains structural integrity through proper weld placement while dramatically improving ease of manufacture and reducing manufacturing time
Data Source
AI summary
A main grinder of a bridge crane, intended to be supported by its ends to end girders of the bridge crane and which comprises an elongated box-type central web, whereby there is, formed in the central web on at least one end of the main girder, a cutting slot running substantially in the longitudinal direction of the main girder, and connected to this cutting there is a knife plate, extending from a bottom of the cutting slot substantially to the end of the main girder, for supporting to the end girder.