Gang Box Lifting Bracket With Adjustable Tensioning Clamp
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Solution Overview
Problem
Existing methods for transporting gang boxes lack a secure and efficient mechanism to evenly distribute the weight and prevent tilting or cable twisting during lifting, especially when dealing with irregularly shaped or sized containers.
Innovation Solution
A reconfigurable bracket assembly with adjustable tensioning members and anchor points that clamp around the sides of the gang box, utilizing a pair of lifting brackets with support tabs and an adjustable tethering system to form secure anchor points for a hoist, ensuring even weight distribution and preventing tilting or cable twisting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple lifting method is used for gang boxes, then the lifting operation is quick and easy, but the weight is not evenly distributed causing tilting or cable twisting
Solution Approach 1:
The lifting system is segmented into multiple independent components: two separate lifting brackets positioned at different locations on the gang box, each with its own support tabs. This segmentation allows independent adjustment of each bracket to achieve even weight distribution across multiple lift points, preventing tilting and cable twisting while maintaining operational simplicity.
Solution Approach 2:
The support tabs extend in a direction substantially perpendicular to the longitudinal axis of the gang box, utilizing the lateral dimension. This dimensional approach allows the tabs to engage with recesses on the sides of the box, creating a stable three-dimensional connection that distributes weight evenly in multiple directions and prevents rotational instability.
2Ease of manufacture
If a fixed lifting bracket design is used, then the manufacturing is simple, but the device cannot accommodate varying shapes and sizes of gang boxes
Solution Approach 1:
The lifting brackets incorporate adjustable support tabs that can be repositioned along the longitudinal axis of the bracket. This dynamic adjustment capability allows the same bracket design to accommodate gang boxes of varying lengths and shapes while maintaining a simple, standardized manufacturing process for the brackets themselves.
Solution Approach 2:
The lifting bracket assembly is designed as a universal component that can be applied to gang boxes of different shapes and sizes. The standardized bracket design with adjustable support tabs serves multiple functions: providing structural support, enabling weight distribution, and adapting to various box configurations, thereby reducing the need for multiple specialized bracket designs.
3Strength
If support tabs are added to create robust connection, then the connection strength increases, but the device complexity increases
Solution Approach 1:
The support tabs are merged with the lifting bracket structure itself rather than being separate components. The tabs are integrally formed with the bracket body, creating a robust connection mechanism that distributes load effectively while avoiding the complexity of additional separate parts, fasteners, or assembly steps.
Data Source
AI summary
A lifting apparatus clamps around the sides of a gang box to facilitate lifting and transporting the gang box. The lifting apparatus has a pair of lifting brackets a set of mounting points and a lateral clamp. The mounting points are support protrusions that extend from the lifting brackets to facilitate affixing the lifting apparatus to the bang box. The lateral clamp is connected in between the brackets and provides the force required to clamp the lifting apparatus around the gang box. Thus preventing the lifting brackets from becoming dislodged from the gang box.