Cam Plate Locking Mechanism for Retaining Wall Spiral Nails
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Solution Overview
Problem
Existing methods for constructing retaining walls do not provide a cam locking assembly for securing spiral nails in place, which is essential for maintaining structural integrity and stability.
Innovation Solution
A locking mechanism comprising a pilaster, a locking ring, and a cam plate is used to lock and torque the spiral nail, ensuring secure engagement and tensioning through a bolt and nut system, allowing for easy installation and effective anchoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is added to secure spiral nails in retaining walls, then structural integrity and stability are improved, but device complexity increases
Solution Approach 1:
The locking ring and cam plate are merged into a single integrated assembly that combines the functions of nail engagement, locking, and torque application. The cam plate is directly attached to the locking ring, allowing the cam-shaped perimeter to rotate the locking ring and engage the spiral nail while maintaining structural integrity without requiring separate locking and torqueing mechanisms
Solution Approach 2:
The locking mechanism serves multiple functions: the locking ring engages and secures the spiral nail, the cam plate provides torque application through its cam-shaped perimeter, and the bolt-nut system enables both assembly and tensioning. This multi-functional design improves reliability without proportionally increasing device complexity
2Manufacturing precision
If a cam plate with torque application element is used to tension spiral nails, then manufacturing precision and tensioning control are improved, but ease of operation decreases
Solution Approach 1:
The cam-shaped perimeter of the cam plate automatically converts rotational motion into torque application on the spiral nail. As the cam plate rotates, its cam-shaped perimeter engages with the locking ring and applies controlled torque to tension the spiral nail to specification, eliminating the need for separate torque control mechanisms or complex adjustment procedures
3Reliability
If a locking ring with nail engaging aperture is used to secure spiral nails, then reliability is improved, but device complexity increases
Solution Approach 1:
The locking ring and cam plate are merged into a single integrated assembly that combines the functions of nail engagement, locking, and torque application. The cam plate is directly attached to the locking ring, allowing the cam-shaped perimeter to rotate the locking ring and engage the spiral nail while maintaining structural integrity without requiring separate locking and torqueing mechanisms
Solution Approach 2:
The locking mechanism serves multiple functions: the locking ring engages and secures the spiral nail, the cam plate provides torque application through its cam-shaped perimeter, and the bolt-nut system enables both assembly and tensioning. This multi-functional design improves reliability without proportionally increasing device complexity
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 locking mechanism provides a quick and easy installation method for securing spiral nails, ensuring stability and resistance to lateral soil pressure, thereby enhancing the structural integrity of the retaining wall system.
Implementation Method 1
the cam-shaped outer perimeter contacts one of the edge walls of the pilaster and acts as a lever to rotate the locking ring and apply torque to the spiralnail
Data Source
AI summary
A locking mechanism has a pilaster, a spiralnail, a locking ring, and a cam plate. The pilaster has an elongate pilaster body that has edge walls, a nail hole, and a bolt slot adjacent the nail hole. The locking ring includes a nail engaging aperture having a perimeter shaped to receive and lockingly engage the spiralnail. The cam plate has a second bolt hole and a torque application element. A bolt is positioned through the bolt slot of the pilaster, through the first bolt hole of the locking ring, and through the second bolt hole of the cam plate. The torque application element may be used to rotate the cam plate so that a cam-shaped outer perimeter contacts one of the edge walls of the pilaster and acts as a lever to rotate the locking ring and apply torque to the spiralnail.