Grounding Clamp With Spring Balance And Locking Mechanism
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Solution Overview
Problem
Conventional electrical grounding devices face difficulties in locking into adjustable positions and often result in misalignment of the support arm during tightening, making it challenging for linemen to securely engage and ground high voltage conductors.
Innovation Solution
The grounding clamp incorporates a balance mechanism and locking mechanism that restrict the movement of the support arm, allowing it to engage with the clamp body at specific positions, ensuring secure alignment and adjustment based on conductor size, with a spring-actuated balance mechanism for automatic engagement and a disengaging lever for flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a conventional grounding device uses a simple locking mechanism, then the device complexity is reduced, but the reliability of locking into adjustable positions deteriorates
Solution Approach 1:
The locking mechanism is divided into two independent parts: a locking mechanism with a locking arm and engagement receivers, and a separate balance mechanism with a balance arm and additional engagement receivers. This segmentation allows each mechanism to perform its specific function reliably without requiring a single complex integrated system.
Solution Approach 2:
The balance mechanism incorporates a spring that provides dynamic adjustment capability, allowing the support arm to automatically balance at different positions along the clamp body. This dynamic element enables reliable locking at multiple adjustable positions while keeping the overall mechanism relatively simple.
2Adaptability or versatility
If the support arm is allowed to move freely for adjustment, then the adaptability to different conductor sizes is improved, but the misalignment during tightening increases
Solution Approach 1:
The balance mechanism with spring pre-loading automatically positions the support arm at precise alignment points before tightening begins. The engagement receivers are pre-positioned at specific locations along the clamp body, ensuring that when the locking mechanisms engage, the support arm is already in the correct aligned position for secure tightening.
Solution Approach 2:
The spring-actuated balance mechanism automatically adjusts and locks the support arm into proper alignment without requiring manual intervention. The mechanism self-regulates to ensure the support arm engages at predetermined positions that guarantee proper alignment during the tightening operation.
3Ease of operation
If a spring-actuated balance mechanism is added for automatic engagement, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The spring-actuated balance mechanism operates automatically without requiring manual adjustment or complex control systems. The spring force naturally drives the balance arm into engagement with the engagement receivers, providing self-service operation that simplifies the user interaction despite the added mechanical components.
Solution Approach 2:
The balancing function is extracted as a separate, independent mechanism from the locking system. By taking out the balance function and implementing it with a simple spring-actuated arm and engagement receivers, the complexity is minimized while still achieving automatic engagement. The two mechanisms (locking and balance) are kept distinct and simple rather than merging them into a complex integrated system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a secure and adjustable mechanism for grounding conductors, preventing misalignment and ensuring reliable engagement across various conductor sizes, enhancing safety and ease of use for linemen.
Implementation Method 1
the balance mechanism is spring actuated, such that the balance mechanism is configured to engage with the clamp body in an instance in which the support arm is at one of a plurality of locking positions
Data Source
AI summary
Various embodiments include a lower jaw assembly and a grounding clamp. The grounding clamp includes a clamp body defining a first side and a second side opposite the first side. The grounding clamp also includes an upper jaw. The grounding clamp further includes a support arm slidably attached to the clamp body. The support arm includes a locking mechanism configured to removably engage the first side of the clamp body and a balance mechanism configured to removably engage the second side of the clamp body. The movement of the support arm is restricted upon the engagement of the locking mechanism and the balance mechanism. The grounding clamp also includes a moveable jaw slideably attached to clamp body and operably coupled to the support arm via a fastening mechanism.