Grounding Clamp with Spring-Biased Pivot and Torque Control
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Solution Overview
Problem
The installation of traditional grounding clamps is inefficient due to the need for trial and error in adjusting fasteners, requires two hands, and lacks torque control without specialized tools, making it difficult in tight spaces and environments with poor visibility.
Innovation Solution
The design includes a grounding clamp with a spring-biased mechanism for easy installation and a torque-controlled fastener system that ensures consistent torque application without specialized tools, allowing for one-handed operation in tight spaces and providing even clamping force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional threaded fasteners are used for grounding clamps, then the clamp can be adjusted to fit different pipe sizes, but the installation process becomes time-consuming and requires trial and error adjustments
Solution Approach 1:
The clamp body is pre-configured with a fixed distance between the first and second threaded fasteners during manufacturing. This preliminary action eliminates the need for installers to perform trial-and-error adjustments on-site, as the fasteners are already positioned at optimal spacing that accommodates various pipe diameters. The pre-set geometry allows the clamp to adapt to different pipe sizes while maintaining consistent installation time.
Solution Approach 2:
The clamp incorporates a pivotable top half that can swing relative to the bottom half about a pivot point. This dynamic mechanism allows the clamp to open wide for installation over pipes of varying diameters, then close securely once positioned. The dynamic adjustment capability provides adaptability without requiring manual repositioning of fasteners, thereby reducing installation time.
2Ease of operation
If traditional grounding clamps require two hands for installation, then the installer can manipulate both fasteners simultaneously, but installation becomes difficult in tight spaces or poor visibility conditions
Solution Approach 1:
The clamp installation process is segmented into independent steps: first positioning the clamp body over the pipe using one hand, then separately tightening each threaded fastener in sequence. This segmentation eliminates the requirement for two-handed simultaneous manipulation, making the clamp suitable for tight spaces and poor visibility conditions while maintaining ease of operation through simplified, sequential actions.
Solution Approach 2:
The clamp body design with pre-positioned fasteners and pivotable top half enables self-alignment and self-positioning during installation. The installer only needs to guide the clamp into place with one hand, while the mechanism itself facilitates proper positioning and engagement, reducing the need for complex two-handed coordination in difficult-to-reach areas.
3Device complexity
If no torque control mechanism is provided in the grounding clamp, then the clamp structure remains simple, but the installer cannot determine the amount of torque applied without specialized tools
Solution Approach 1:
The clamp incorporates a disposable torque indicator component that is integrated into the fastener system. This inexpensive, single-use element provides accurate torque measurement through visual indication (such as color change or mechanical deflection) without requiring costly reusable torque wrenches or complex electronic sensors. After use, the indicator is discarded, having served its measurement purpose effectively.
Solution Approach 2:
A torque indicator mechanism serves as an intermediary between the fastener and the installer. This mediator translates the mechanical torque applied during tightening into a visible signal (such as a color-changing strip or mechanical pointer position), enabling precise torque measurement without requiring specialized tools. The intermediary converts mechanical force into observable information while adding minimal complexity to the overall clamp structure.
4Stability of the object's composition
If fasteners must be tightened in equal increments alternately, then even clamping force is applied to the pipe, but the installation process becomes more complex and time-consuming
Solution Approach 1:
The clamp body is pre-configured with threaded fasteners positioned at specific distances from the pivot point, calculated to provide automatic balance during tightening. This preliminary geometric arrangement ensures that as each fastener is tightened, the clamping force is naturally distributed evenly across the pipe surface without requiring the installer to consciously alternate between fasteners in equal increments, thereby maintaining stability while improving productivity.
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 simplifies the installation process, ensures consistent torque application, and allows for one-handed operation in tight spaces, reducing installation time and eliminating the need for specialized tools.
Implementation Method 1
The design includes a grounding clamp with a spring-biased mechanism for easy installation
Implementation Method 2
a torque-controlled fastener system that ensures consistent torque application without specialized tools
Data Source
Figure 1a~1b
Figure 2a~2c
Figure 3a~3d
AI summary
Various implementations of grounding clamps and torque-controlled fasteners are disclosed. The grounding clamps may be used to attach grounding conductors to various structures, such as pipes, conduit, grounding rods etc. The torque-controlled fasteners may use various techniques to control the amount of torque applied to the fasteners used with the grounding clamps described herein.