Modular Cassette Shaft Coupling for Vibration Adaptation
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Solution Overview
Problem
Existing clutches cannot be easily adapted to specific vibration behaviors without significant effort, limiting their effectiveness in various applications.
Innovation Solution
A modular torsionally flexible shaft coupling design featuring detachable cassettes with interchangeable spring arrangements, allowing for easy adjustment of damping properties by swapping modules with different rigidity settings, without altering the clutch's basic design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed design clutch is used, then the basic design is simple and reliable, but the damping properties cannot be adapted to specific vibration behaviors
Solution Approach 1:
The clutch is divided into a stationary housing and removable cassette modules. Each cassette contains a spring arrangement and forms a self-contained damping module that can be independently exchanged. This segmentation allows the damping properties to be adapted without changing the basic clutch design, resolving the contradiction between adaptability and design simplicity.
Solution Approach 2:
The clutch system transitions from a static, fixed design to a dynamic, configurable system. By allowing the cassette modules to be removed and replaced based on specific vibration behavior requirements, the system becomes adaptable while maintaining a simple base design. The modular cassettes enable dynamic adjustment of damping characteristics.
2Adaptability or versatility
If multiple spring arrangements with different rigidity are integrated into the clutch, then the damping properties can be adapted, but the device complexity and installation effort increase significantly
Solution Approach 1:
Each spring arrangement is merged with its housing to form a complete, self-contained cassette module. The spring arrangement, housing, and mounting features are combined into a single unit that can be installed or removed as one piece. This merging eliminates the need for complex assembly operations and reduces installation effort while maintaining adaptability of damping properties.
Solution Approach 2:
The spring arrangements are pre-assembled into complete cassette modules during manufacturing. This preliminary action allows the damping properties to be configured before installation, so that during operation only simple module replacement is needed rather than complex spring assembly procedures. The cassettes are prepared in advance with all necessary components integrated.
3Adaptability or versatility
If exchangeable spring elements are used, then the damping properties can be adjusted, but the risk of spring elements falling out during installation or removal increases
Solution Approach 1:
The spring arrangement is nested within the cassette housing, which provides a containing structure that secures the springs during installation and removal operations. The housing acts as a protective container that prevents the spring elements from falling out, while still allowing the entire cassette to be exchanged as a unit. This nesting structure maintains both exchangeability and reliability.
4Ease of operation
If the cassette with spring arrangement is designed as a compact module, then the installation is simplified, but the space for different spring configurations is limited
Solution Approach 1:
The cassette housing is designed as a universal module that can accommodate different spring arrangements through standardized mounting features. The housing serves multiple functions: structural support, spring retention, and interface with the clutch assembly. This universal design allows various damping configurations to be implemented within the same compact module format, maintaining installation simplicity while providing adaptability.
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 modular design enhances flexibility in adjusting torsional rigidity and damping properties, enabling targeted adaptation to various vibration behaviors with minimal effort, and can be combined with various damper concepts for diverse applications.
Implementation Method 1
at least one spring arrangement (5, 6), in particular made up of arc springs, the shaft coupling having at least one cassette (3, 4) which is detachably connected to the second coupling part (2) and in which a spring arrangement (5, 6) is mounted
Implementation Method 2
A kit made up of several modular (damping) modules can be made available for a shaft coupling according to the invention. These modules essentially have the same outer contour (they can therefore be installed at the same point on the shaft coupling), but have different damping properties. In particular, the rigidity of the spring arrangements mounted in the cassettes can vary.
Data Source
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AI summary
The invention relates to a torsionally flexible shaft coupling (10) with a first coupling part (1) and a second coupling part (2) which are mounted to rotate relative to each other, at least one spring arrangement (5, 6) and at least one driver (7, 8) which is connected to the first coupling part (1) and interacts with the spring arrangement (5, 6). In order to be able to achieve targeted adjustment to the expected vibration behavior with minimal effort, the shaft coupling (10) has at least one cassette (3, 4) which is detachably connected to the second coupling part (2) and in which a spring arrangement (5, 6) is mounted, wherein the cassette (3, 4) together with the spring arrangement (5, 6) mounted therein forms an interchangeable module (13, 14).