Controlled-Torque Threaded Rod Hanger for Fast Overhead Installation
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Solution Overview
Problem
Existing threaded rod hangers require numerous installation steps, are time-consuming, and face issues such as torque misapplication leading to slippage, breakage, and difficulty in installation near mechanical, electrical, and plumbing components.
Innovation Solution
A controlled torque installed threaded rod hanger with a jam nut pre-tightened during manufacturing to ensure secure attachment in three main steps, limiting torque application during installation to prevent slippage and breakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional threaded rod hangers are installed using conventional methods, then the hanger can be attached to overhead structures, but the installation process requires numerous steps and is time-consuming
Solution Approach 1:
The jam nut is pre-tightened to the set screw during manufacturing to a controlled torque value, creating a predetermined frictional engagement. This preliminary action eliminates the need for installers to perform multiple tightening steps and torque calculations during installation, reducing installation time and complexity while ensuring consistent torque application.
2Reliability
If traditional threaded rod hangers are installed without controlled torque, then installation is simpler, but torque misapplication leads to slippage, breakage, and reliability issues
Solution Approach 1:
The manufacturer performs the torque application and jam nut tightening in advance under controlled conditions, ensuring the set screw engages the beam with the correct torque. This transfers the complexity of torque control from the installation phase to the manufacturing phase, where it can be precisely controlled, thereby improving reliability without making installation more difficult.
Solution Approach 2:
The pre-tightened jam nut creates a self-contained torque control mechanism that automatically prevents over-torquing and slippage during installation. The frictional engagement between the pre-tightened jam nut and set screw head provides inherent torque limitation, making the system self-regulating and reducing the skill level required for proper installation.
3Adaptability or versatility
If traditional threaded rod hangers are installed in confined spaces near mechanical, electrical, and plumbing components, then the hanger can be positioned as needed, but the numerous installation steps become even more difficult and time-consuming
Solution Approach 1:
By pre-tightening the jam nut during manufacturing, the invention reduces the number of steps installers must perform in confined spaces. Fewer steps mean less time spent in difficult-to-reach areas and less manipulation of components in tight spaces, thereby reducing time loss while maintaining the ability to install at various locations.
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
Facilitates quick and secure attachment of threaded rods to overhead structures with controlled torque, minimizing installation time and reducing the risk of hanger slippage or breakage, even in confined spaces.
Implementation Method 1
a spring clip configured to apply radially inward biasing of the locking pucks to cause the locking pucks to engage the threaded rod
Implementation Method 2
The jam nut is initially in frictional engagement with the head of the set screw such that rotation of the jam nut causes rotation of the head of the set screw
Data Source
AI summary
A threaded rod hanger that is quickly and easily attachable to an overhead structure and that enables a threaded rod to be quickly and easily attached to the threaded rod hanger.