Multi-Connection Hydraulic Coupling With Auto-Closing Cover
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Solution Overview
Problem
Existing fastening devices for hydraulic and pneumatic applications require manual operation to open and close covers, leading to inefficiencies and accidental switching, which can result in water infiltration, dirt entry, and operational disturbances during connection and disconnection processes.
Innovation Solution
A fastening device with a cover that automatically switches from a closed to an open position through a lever mechanism, ensuring air-tight closure and preventing accidental opening, allowing for automatic connection and disconnection without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual operation is used to open and close covers, then operational control is maintained, but operational efficiency decreases and accidental switching occurs
Solution Approach 1:
The cover is designed to open and close automatically through a lever mechanism that responds to the connection status of hydraulic lines. When hydraulic lines are connected, the lever mechanism automatically opens the cover; when disconnected, it automatically closes the cover, eliminating the need for manual operation and preventing accidental switching.
Solution Approach 2:
The system incorporates a feedback mechanism where the connection status of hydraulic lines is detected and transmitted to the lever mechanism, which then automatically adjusts the cover position. This feedback loop ensures the cover is only open when actually needed for connection operations.
2Object-affected harmful factors
If manual cover operation is required, then cover position control is achieved, but water and dirt infiltration risk increases
Solution Approach 1:
The cover automatically responds to connection operations through the lever mechanism, opening only when hydraulic lines need to be connected and closing immediately when disconnected. This self-service behavior eliminates gaps where water and dirt could infiltrate while the cover was manually open.
3Productivity
If automatic lever mechanism is implemented, then operational efficiency improves, but device complexity increases
Solution Approach 1:
The lever mechanism serves multiple functions: it controls the opening/closing of the cover, detects the connection status of hydraulic lines, and actuates the appropriate response. By combining these functions into a single mechanism, the patent avoids adding excessive complexity while achieving automatic operation.
Data Source
AI summary
A pneumatic and/or hydraulic fastening device having a fixed part adapted to constitute the end part of a first hydraulic circuit of a main operating machine, the fixed part having at least a first hydraulic coupling, the fastening device having a mobile part to constitute the end part of a second hydraulic circuit of a piece of equipment, the mobile part having at least a second hydraulic coupling, wherein the at least one hydraulic coupling of the fixed part and at least one hydraulic coupling of the mobile part are adapted to be hydraulically coupled and the fastening device has a mechanical coupling adapted to be switched between a first position and a second position, wherein the switching of the mechanical coupling into the second position translates into the mechanical coupling of the fixed and mobile parts.