Interchangeable Welding Torch Grip for Reduced Operator Fatigue
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Handling an arc welding torch for extended periods can be cumbersome and lead to operator fatigue, as existing handles do not offer sufficient customization or ergonomic adjustments to accommodate different users effectively.
Innovation Solution
A handle assembly with an interchangeable saddle that allows for easy modification of the grip, featuring a housing with attachment features and a locking ring for secure engagement, enabling various grip configurations and customization to reduce user fatigue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a rigid handle is used for welding torch, then structural strength is maintained, but operator fatigue increases during extended use
Solution Approach 1:
The handle is divided into a rigid housing portion and a separate interchangeable saddle grip portion. The housing maintains structural strength while the saddle provides ergonomic customization. This segmentation allows each component to optimize its function independently.
Solution Approach 2:
The handle system transitions from a fixed rigid structure to a dynamic configurable system where the saddle can be interchanged based on operator needs. The locking mechanism with locking ring enables easy reconfiguration while maintaining structural integrity during use.
2Ease of manufacture
If a fixed grip design is used, then manufacturing simplicity is maintained, but adaptability to different users is reduced
Solution Approach 1:
The housing with standardized attachment features serves multiple functions: structural support, mounting for various saddles, and integration with torch components. The interchangeable saddles provide universal compatibility across different user preferences while using the same base housing design.
Solution Approach 2:
The system allows change of ergonomic parameters (grip shape, size, contour) by swapping saddles while keeping the housing parameters constant. This enables customization of grip characteristics without redesigning the entire handle structure.
3Adaptability or versatility
If an interchangeable saddle system is added, then grip customization is improved, but device complexity increases
Solution Approach 1:
The attachment system is segmented into discrete features on the housing and corresponding mating features on the saddle. This modular approach simplifies the complexity by breaking down the attachment mechanism into independent, standardized elements rather than a complex integrated system.
Solution Approach 2:
The locking ring mechanism allows the operator to perform the assembly and disassembly operations themselves without requiring tools or external assistance. The self-service nature reduces operational complexity despite adding structural elements.
4Reliability
If a locking mechanism is implemented, then saddle security is improved, but ease of assembly and disassembly is reduced
Solution Approach 1:
The locking ring is designed to be manually operated by the user without requiring tools. The user can easily rotate the locking ring to lock or unlock the saddle, making the process self-service and maintaining ease of operation despite the added security feature.
Solution Approach 2:
The locking mechanism uses rotational movement of the locking ring to change the engagement state between locked and unlocked positions. This simple parameter change (rotation angle) provides reliable locking while maintaining ease of operation.
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
A handle assembly includes a housing and an interchangeable saddle for customizing a geometrical grip of the handle. In one form, the housing includes an attachment feature and the interchangeable saddle includes a mating attachment feature to allow for the interchangeable saddle to be removably secured to an upper surface of the housing. Each interchangeable saddle defines a customized geometrical grip.