Slide Valve Apparatus Connection Switching for Stroke Reduction
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Solution Overview
Problem
Conventional slide valve apparatuses require an additional stroke for surface pressure application and release, leading to an enlarged drive device and apparatus size, necessitating a larger drive device replacement during upgrades, and complicating mounting and size adjustments.
Innovation Solution
The slide valve apparatus incorporates connection switching means to switch the connection position of the drive device and slide case between discharge and surface pressure operation positions, absorbing the extra stroke within the apparatus, allowing the use of existing drive devices during upgrades and reducing the apparatus size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the slide valve apparatus uses a conventional configuration with separate surface pressure operation stroke, then the surface pressure can be applied and released, but the drive device stroke is enlarged and the apparatus size increases
Solution Approach 1:
The patent combines the surface pressure operation function with the discharge stroke function by integrating the connection switching means into the existing discharge stroke mechanism. The connection switching means automatically switches between discharge position and surface pressure operation position during the discharge stroke, eliminating the need for a separate surface pressure operation stroke and reducing the overall drive device stroke requirement.
Solution Approach 2:
The discharge stroke is designed to serve dual purposes: controlling molten metal discharge and applying surface pressure to the slide plate. By making the discharge stroke multi-functional, the apparatus eliminates redundant movements and reduces the drive device stroke while maintaining both discharge control and surface pressure application capabilities.
2Length of moving object
If the drive device stroke is reduced by integrating connection switching means, then the apparatus size is reduced, but the complexity of switching connection positions is introduced
Solution Approach 1:
The connection switching means is designed to automatically switch between discharge position and surface pressure operation position based on the discharge stroke movement itself, without requiring external control mechanisms. The system uses its own operational movements to trigger the switching action, reducing control complexity while achieving the desired position changes.
Solution Approach 2:
The connection switching means acts as an intermediary mechanism that translates the discharge stroke movement into the appropriate connection position changes. This mediator component simplifies the overall control system by providing a mechanical linkage that automatically performs the switching function based on the discharge stroke phase.
3Device complexity
If the apparatus uses fixed connection position between drive device and slide case, then the structure is simple, but the adaptability for different operations (discharge and surface pressure) is limited
Solution Approach 1:
The connection structure is made dynamic through the connection switching means, which can change the connection position between the drive device and slide case based on the operational phase. This dynamic adaptability allows the same drive device to perform both discharge control and surface pressure application functions by switching connection positions during the discharge stroke.
Solution Approach 2:
The connection position parameter is changed during operation to adapt to different functional requirements. The connection switching means adjusts the connection position between discharge position and surface pressure operation position, allowing the apparatus to adapt its mechanical configuration based on the current operational phase without requiring separate fixed structures for each function.
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
This configuration effectively suppresses the drive device stroke, enables the use of existing drive devices during upgrades, and reduces the overall apparatus size by integrating the extra stroke into the apparatus, facilitating easier operation and cost-effective upgrades.
Implementation Method 1
the slide case 4 receives an upward pushing force through the surface pressure application members 10, 10 due to the elastic force of compression springs 12, 12
Data Source
AI summary
A slide valve apparatus for automatic application of surface pressure is configured to include a connection switching device (20) for switching a connection position of a drive device (7) and a slide case (4) between a first connection position (discharge position) during molten metal discharge and a second connection position (surface pressure operation position) during surface pressure application/release. As a result, the drive stroke of the drive device can be greatly reduced and the already installed drive device can be used as is when a SV apparatus is upgraded.