Loader Coupler Dual Interface Pin Mechanism
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Solution Overview
Problem
Current loader couplers are limited to coupling with only a single type of work tool due to corresponding coupling points, restricting their versatility and compatibility with different work tools.
Innovation Solution
A dual interface coupler design featuring first and second coupler engaging pins along different axes, with a pin engagement cylinder and linkage that transitions between engaged and disengaged positions, allowing coupling with multiple types of work tools by adjusting the coupler hook pins and engaging pins to accommodate various devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single-type coupler design is used, then the coupling mechanism is simple and reliable, but the adaptability to different work tools is limited
Solution Approach 1:
The coupler is designed with multiple engaging pins (first and second coupler engaging pins) that can selectively engage with different types of work tools. The pin engagement cylinder can position these pins at different locations, allowing a single coupler to accommodate multiple work tool types, thereby achieving multi-functionality and universal compatibility.
Solution Approach 2:
The coupler incorporates a pin engagement cylinder that can dynamically reposition the engaging pins between different positions. This dynamic adjustment capability allows the coupler to adapt its configuration based on the type of work tool being coupled, transforming a static single-purpose design into a dynamic multi-purpose system.
2Adaptability or versatility
If multiple engaging pins are added for different work tools, then the adaptability increases, but the device complexity and operational difficulty increase
Solution Approach 1:
The pin engagement cylinder merges the function of positioning multiple engaging pins into a single actuating mechanism. By combining the control of first and second coupler engaging pins into one cylinder, the system reduces the number of separate operations needed, simplifying the coupling process while maintaining multi-tool compatibility.
Solution Approach 2:
The pin engagement linkage automatically coordinates the movement of multiple engaging pins when the pin engagement cylinder actuates. The linkage mechanism ensures that pins are positioned correctly without requiring manual intervention for each pin, allowing the system to self-adjust to the appropriate configuration for the selected work tool.
3Area of stationary object
If the pin engagement cylinder is positioned centrally, then the structural compactness is improved, but the visibility region is obstructed
Solution Approach 1:
The pin engagement cylinder is positioned in a location that utilizes three-dimensional space effectively. By placing the cylinder at a specific offset position rather than centrally, the design creates a visibility region through the coupler while still maintaining structural integrity and functional effectiveness, demonstrating spatial optimization in multiple dimensions.
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
Enables the loader coupler to securely couple with multiple work tools, enhancing versatility and operational flexibility without obstructing visibility regions, facilitating easy alignment and engagement.
Implementation Method 1
a pin engagement cylinder that selectively transitions the first coupler engaging pin and the second coupler engaging pin between an engaged position and a disengaged position
Data Source
AI summary
A coupler for a work machine that has a first coupler hook pin defined along a hook pin axis, a first coupler engaging pin defined along a first axis, a second coupler engaging pin defined along a second axis, the second axis being different from the first axis. Wherein, the first coupler engaging pin is coupleable to a first device and the second coupler engaging pin is coupleable to a second device.