Tractor PTO Quick-Connect Coupling for Fast Implement Changes
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Solution Overview
Problem
Conventional PTO devices face challenges in quickly and easily securing tractor implements to the PTO shaft, particularly in confined areas, leading to time-consuming and frustrating processes when attaching or removing multiple implements.
Innovation Solution
A quick-release device comprising two opposing plates with teardrop, oblong, or tapered openings on one plate and corresponding connectors on the other, allowing for rapid engagement and disengagement via a locking mechanism, including a locking shear pin, to securely attach and detach the implement from the PTO shaft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional PTO devices are used to secure implements to the PTO shaft, then the connection is secure and reliable, but the attachment and detachment process becomes time-consuming and difficult
Solution Approach 1:
The PTO device is divided into two separate bodies: a first body that secures to the PTO shaft and a second body that secures to the implement. These bodies can be independently positioned and then quickly connected through the slot-extension engagement mechanism, eliminating the need for complex alignment procedures and reducing attachment time while maintaining connection security.
Solution Approach 2:
The slot and extension mechanism acts as an intermediary that facilitates rapid connection between the two bodies. The extensions on the second body engage with the slots on the first body, providing a simple yet secure linking mechanism that enables quick attachment and detachment without compromising reliability.
2Stability of the object's composition
If conventional PTO devices are used to secure implements to the PTO shaft, then the connection is stable, but the operation becomes difficult in confined areas
Solution Approach 1:
By separating the PTO device into two independent bodies that can be positioned separately, the system allows operators to work in confined spaces more easily. Each body can be attached to its respective component (PTO shaft or implement) independently, reducing the need for complex maneuvers in tight areas while maintaining stable connection through the engagement mechanism.
3Adaptability or versatility
If multiple implements are attached and removed frequently, then the project can adapt to different tasks, but the overall project duration increases
Solution Approach 1:
The two bodies of the PTO device can be prepared in advance - the first body attached to the PTO shaft and the second body attached to the implement - before needing to connect them. This preliminary preparation eliminates time-consuming alignment and securing operations during implement changes, allowing for rapid swapping while maintaining adaptability across different tasks.
Solution Approach 2:
The slot-extension engagement mechanism serves as an efficient intermediary that enables rapid implement interchange. The simple geometric engagement of extensions with slots provides both speed and reliability, allowing multiple implements to be swapped quickly without reducing overall project productivity.
Data Source
AI summary
The disclosure relates to a quick-release device for a tractor PTO shaft, including a first body having a first outer surface and a second outer surface and a first thickness disposed therebetween; a plurality of slots defined on the first body; a second body having a third outer surface and a fourth outer surface and a second thickness disposed therebetween; and a plurality of extensions extending from the second body, wherein the plurality of extensions are configured to removably engage with the plurality of slots.