Dip Station Joint Brace Structure for Weld Failure Resistance
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Solution Overview
Problem
Existing weightlifting apparatuses, particularly dip apparatuses, face issues with insufficient joint strength and lack of safety features at weld joints, which can lead to structural failure during use.
Innovation Solution
A weightlifting apparatus with a reinforced joint structure using a brace member that engages connecting and arm structures, enhancing weld strength and providing additional support through a U-shaped cross-section and slots, slots, and projections to stabilize the joint without relying solely on welding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If weld joints are used to connect components of the dip apparatus, then the apparatus can be assembled, but the joint strength is insufficient and structural failure can occur
Solution Approach 1:
The connecting member is divided into multiple segments (first connecting member and second connecting member) that can be assembled separately and then joined together. This segmentation allows for better stress distribution at the joint and enables the use of multiple connection methods (welding plus mechanical engagement through slots and protrusions) to achieve both sufficient strength and reliability.
Solution Approach 2:
The joint structure combines different connection methods: welding (thermal bonding) and mechanical engagement through slots and protruding portions (physical interlocking). This composite approach creates a hybrid joint that leverages the strengths of both methods - the continuity of welding and the mechanical reinforcement of the slot-protrusion system - to achieve both strength and reliability.
2Ease of manufacture
If weld joints are used to connect components of the dip apparatus, then the apparatus can be assembled, but safety features are lacking if the weld breaks
Solution Approach 1:
The design incorporates slots and protruding portions that engage before welding occurs, creating a mechanical interlock that prevents complete joint failure even if welding fails. This beforehand cushioning ensures that the joint has inherent safety features built into the assembly process, not just as an afterthought.
Solution Approach 2:
The slots and protruding portions act as intermediaries between the connecting members, providing a mechanical mediation system that supplements the welding. This intermediary mechanism ensures that even if the primary welding connection fails, the secondary mechanical engagement maintains structural integrity and prevents catastrophic failure.
3Ease of manufacture
If the connecting member structure is simplified, then manufacturing is easier, but joint reinforcement and stability are reduced
Solution Approach 1:
The connecting member is segmented into multiple parts (first and second connecting members with slots and protrusions) that can be manufactured using standard fabrication processes. While the overall structure is more complex than a simple beam, each segment can be produced using conventional welding and machining techniques, maintaining ease of manufacture while achieving the required joint stability through the combined segments.
Data Source
AI summary
A weightlifting apparatus, which may be in the form of a dip apparatus, includes a mounting portion for attachment to a vertical post, an arm structure extending laterally, and a connecting member extending longitudinally to connect the mounting portion to the arm structure to form a fixed joint, with a brace member to engage the connecting member and the arm structure to reinforce the fixed joint. The brace member has a top surface engaging a bottom wall of the connecting member and a bottom surface of the arm structure, with a leg extending from the top surface. The leg has an upright portion extending upward from the top surface and through a slot in the bottom wall of the connecting member into a central cavity, and a protruding portion extending forward from the upright portion within the central cavity to engage a rear wall of the arm structure.