Coupling System With Rear Hydraulic Unit
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Solution Overview
Problem
Existing clutch systems for coupling attachments to work machines are space-consuming and prone to damage due to the arrangement of hydraulic couplings, which can protrude and be difficult to manage, especially in confined spaces and when used with attachments lacking hydraulic components.
Innovation Solution
The clutch system arranges mechanical and hydraulic coupling components stacked vertically, with the hydraulic coupling unit positioned behind the locking slide, allowing for a more compact design and minimizing the risk of damage by ensuring hydraulic coupling only occurs with a secure mechanical connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If hydraulic couplings are arranged perpendicular to the longitudinal axis at one end of the coupling component, then hydraulic coupling functionality is achieved, but the coupling system becomes significantly longer and more susceptible to damage
Solution Approach 1:
The hydraulic coupling is repositioned from a perpendicular arrangement at the end of the coupling component to a longitudinal arrangement behind the locking slide. This dimensional change in positioning eliminates the protruding configuration that caused damage susceptibility while maintaining all hydraulic coupling functionalities.
2Ease of operation
If hydraulic couplings are arranged at the end of the coupling component, then hydraulic connection is enabled, but the protruding couplings become difficult to see and are prone to damage
Solution Approach 1:
The hydraulic coupling is merged into the longitudinal structure behind the locking slide rather than being positioned separately at the end. This integration eliminates the protruding configuration that caused both visibility and durability issues, while maintaining hydraulic connection capability.
3Adaptability or versatility
If the coupling system uses a main coupling assembly with hydraulic couplings connected to an auxiliary coupling assembly without hydraulic couplings, then versatility is achieved, but the hydraulic couplings clearly protrude and are at risk during operations like digging
Solution Approach 1:
The hydraulic coupling is repositioned from a perpendicular end arrangement to a longitudinal arrangement behind the locking slide. This dimensional repositioning eliminates the protruding configuration that created damage risks during operations like digging, while maintaining compatibility with both hydraulic and non-hydraulic auxiliary coupling assemblies.
Data Source
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AI summary
Main coupling part (1) for a coupling system for interchangeably coupling an attachment to a working machine, wherein the main coupling part is couplingable to an auxiliary coupling part (2), the main coupling part comprising: - a first open-edged insertion opening (4) for receiving a first fastening bolt (5) of the auxiliary coupling part oriented with its longitudinal axis (24) parallel to a transverse direction (22), - a contact surface (10) for a fastening element (6) of the auxiliary coupling part, wherein, viewed in a longitudinal direction (7), the contact surface is arranged opposite the first open-edged insertion opening, - a locking slide (11) which is movable back and forth with a main direction component parallel to the longitudinal direction between a release position (12) and a locking position (13), - a hydraulic coupling unit (18) comprising at least one hydraulic coupling (19).According to the invention, the hydraulic coupling unit with a main directional component parallel to the longitudinal direction is movable back and forth between a decoupling position (20) and a coupling position (21), wherein the hydraulic coupling unit is arranged behind the locking slide when viewed in a normal direction (23), wherein the normal direction, the transverse direction and the longitudinal direction are mutually normal to each other.