Crosswise Torsion Spring Vibration Damper for Low-Frequency Stability
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Solution Overview
Problem
Existing vibration dampers and conveyor systems face challenges in reducing self-frequency, increasing load capacity, and improving stability.
Innovation Solution
The vibration damper design features four torsion elements with inner and outer parts connected by elastic elements, arranged in a specific configuration to reduce height and enhance stability, allowing for longer lever elements and increased load capacity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the torsion spring elements are arranged in series one above the other, then the height of the vibration damper increases, but the load capacity increases
Solution Approach 1:
The patent transitions from a vertical stacking arrangement (one dimension) to a crosswise arrangement where torsion spring elements are connected laterally through lever elements (adding horizontal dimension). This dimensional change allows the same number of spring elements to provide equivalent load capacity while reducing the vertical height of the assembly.
Solution Approach 2:
The lever elements are designed with angled and/or curved configurations rather than straight rigid connections. This curvature allows the lever elements to follow an optimized path that reduces the vertical height while maintaining the structural integrity and load-bearing capacity of the vibration damper.
2Reliability
If longer lever elements are used, then the natural frequency decreases and vibration damping improves, but the height of the vibration damper increases
Solution Approach 1:
By arranging lever elements in a crosswise configuration with angled/curved designs, the patent extends the effective length of lever elements in the horizontal direction while controlling vertical height. This allows longer lever elements to achieve better vibration damping without proportionally increasing the overall height of the vibration damper.
3Stability of the object's composition
If the center of gravity is positioned closer to the base, then the stability of the system improves, but the lever element length must be reduced
Solution Approach 1:
The crosswise arrangement with angled lever elements allows the center of gravity to be positioned lower (improving stability) while the lever elements extend horizontally to maintain sufficient length for vibration damping. The angled configuration distributes the length requirement across both horizontal and vertical components.
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 reduces the self-frequency of the vibration damper, increases its load capacity, and improves stability by allowing a focus closer to the base, resulting in higher vibration repayment and reduced wear.
Implementation Method 1
The elastic element is arranged between the inner part and the outer part and supports the inner part relative to the outer part such that when the inner part and the outer part are deflected relative to one another, a restoring force is created between the inner part and the outer part.
Implementation Method 2
Each torsion element has an inner part, an outer part, and at least one elastic element. The inner part is arranged in the outer part. The elastic element is arranged between the inner part and the outer part and supports the inner part relative to the outer part such that when the inner part and the outer part are deflected relative to one another, a restoring force is created between the inner part and the outer part.
Data Source
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AI summary
A vibration damper (200, 300, 400) comprises four torsion spring elements (101) and two lever elements (109). Each torsion spring element (101) has an inner part (102), an outer part (103), and at least one elastic element (107). The inner part (102) is arranged within the outer part (103). The elastic element (107) is positioned between the inner part (102) and the outer part (103) and supports the inner part (102) relative to the outer part (103) such that, when deflected by twisting the inner part (102) and the outer part (103) relative to each other, a restoring force is exerted between the inner part (102) and the outer part (103). The torsion spring elements (101) are arranged one above the other with respect to a first direction. The lever elements (109) connect the torsion spring elements (101) to each other in a crosswise direction.