U-Shaped Clip Driveline Shield Locking Mechanism
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Solution Overview
Problem
Existing driveline shield systems for agricultural equipment are not easily disengaged for servicing, as fasteners tend to loosen or release over time, making it difficult to access and maintain the rotatable components.
Innovation Solution
A driveline shield system featuring a U-shaped clip that pivots between a locking and release position, securely engaging a bearing with a connection cap, allowing for easy disengagement by pivoting out of a slot, ensuring secure fastening during operation and easy removal for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fasteners are used to secure the bearing to the connection cap, then the components can be securely fastened during operation, but the fasteners tend to become loose or fully release over time, making it difficult to service the rotatable components
Solution Approach 1:
The clip is designed to pivot between a locked position (securing the bearing) and an unlocked position (releasing the bearing for service). This dynamic mechanism allows the same component to provide both secure fastening during operation and easy disengagement for maintenance, resolving the contradiction between reliability and ease of operation.
Solution Approach 2:
The clip mechanism is designed to be manually operable without requiring additional tools or complex disassembly procedures. The operator can easily pivot the clip to release the bearing for servicing, and the spring-loaded design automatically maintains secure engagement during operation, making the system self-servicing.
2Ease of repair
If the bearing and connection cap are separately formed and connected with fasteners, then the components can be disengaged for servicing, but the fasteners have a tendency to become loose or fully release the components from one another over time
Solution Approach 1:
The invention replaces traditional threaded fasteners with a clip-based retaining mechanism. The clip uses a pivot-and-lock mechanism with a shoulder that engages a slot in the connection cap, eliminating the loosening problem associated with threaded fasteners while maintaining ease of disengagement for servicing.
3Ease of operation
If a U-shaped clip is used to secure the bearing, then easy disengagement is achieved by pivoting out of a slot, but the clip must maintain stability under high vibrations during operation
Solution Approach 1:
The U-shaped clip is segmented into two legs with different thicknesses - a thicker first leg for structural strength and vibration resistance, and a thinner flexible second leg for easy pivoting and engagement. This segmentation allows the clip to simultaneously provide vibration resistance and ease of operation.
Solution Approach 2:
Different parts of the clip have different local properties: the first leg is made thicker and more rigid to resist vibrations, while the second leg is made thinner and more flexible to facilitate easy pivoting and engagement with the connection cap slot. This local quality differentiation resolves the contradiction between strength and ease of operation.
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 system provides secure fastening during operation and easy disengagement for maintenance, maintaining stability even under high vibrations, addressing the issue of loose fasteners in prior art systems.
Implementation Method 1
The second leg of the U-shaped clip is flexible to facilitate engagement of the shoulder with the cap. In certain embodiments, the second leg of the U-shaped clip may be contoured to enhance resiliency while strengthening the leg.
Data Source
AI summary
A U-shaped clip for use in a driveline shield system having a cap disposed to releasably engage a bearing mounted adjacent a drive shaft. The cap supports a tubular guard or shield in a coaxial position relative to the drive shaft. One or more lugs on the bearing are disposed to seat in corresponding slots formed in the cap. When the lugs are seated in the slots, rotation of the cap relative to the bearing causes the bearing and the cap to engage one another. The U-shaped clip is pivotally mounted to the cap and rotatable between a first position in which the clip extends into the slot and secures the lugs in engagement with the cap and a second release position in which the clip is retracted from the slot, thereby permitting relative rotation between the cap and bearing.