Cable Spring End Pieces With Deformed Web Groove Fixation
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Solution Overview
Problem
Existing damping and spring arrangements face challenges in efficiently fixing wire or cable pieces within grooves, particularly due to the limitations of groove depth and web deformation, which affect the securement and distribution of damping and spring forces.
Innovation Solution
The solution involves designing end pieces with grooves of smaller depth than the wire or rope diameter, featuring webs that are plastically deformed to surround and fix the wire or rope, allowing for secure engagement without obstructing initial insertion and using plastically deformable materials like aluminum or stainless steel for the end pieces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the groove depth is made smaller than the wire or rope diameter, then the wire or rope projects out of the groove enabling better fixation, but the insertion process becomes more difficult
Solution Approach 1:
The groove is segmented into two functional zones: an insertion region with a larger opening that facilitates easy insertion of the wire or cable, and a fixation region with reduced depth that causes the wire to project out for reliable securing. This segmentation allows the groove to perform both insertion and fixation functions effectively.
Solution Approach 2:
The groove is pre-configured with a specific depth profile before the wire insertion process. The groove depth is deliberately designed to be less than the wire diameter from the outset, so that when the wire is inserted, it automatically projects out of the groove and can be easily fixed without requiring additional deformation steps.
2Strength
If webs are plastically deformed to surround the wire or cable, then fixation strength is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The groove and the webs are merged into a single integrated structural element. The webs are directly connected to the groove structure, forming a unified fixation system that simplifies the manufacturing process by eliminating separate components while maintaining strong fixation capability through plastic deformation of the integrated web structure.
Solution Approach 2:
The material of the end piece is selected to have appropriate plastic deformability, allowing the webs to be easily deformed around the wire or cable. By controlling material parameters such as yield strength and ductility, the webs can be plastically deformed to surround the wire tightly, achieving strong fixation without requiring complex multi-step manufacturing processes.
3Reliability
If multiple grooves are provided on end pieces, then the wire or cable can be distributed and fixed at multiple points, but the manufacturing complexity increases
Solution Approach 1:
The end piece is segmented with multiple grooves arranged at different positions, allowing the wire or cable to be fixed at multiple discrete points. This segmentation provides reliable fixation distributed along the wire length while maintaining manufacturing simplicity through standardized groove patterns that can be produced using conventional forming processes.
Solution Approach 2:
The end piece design with multiple grooves serves multiple functions simultaneously: it provides fixation at multiple points for enhanced reliability, distributes mechanical stresses along the wire, and maintains a compact structure. The same groove pattern can be used for different wire diameters and applications, providing universal functionality without increasing manufacturing complexity.
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 enables reliable and efficient fixation of wire or rope pieces within the grooves, ensuring effective damping and spring performance with minimal force application and maintaining structural integrity.
Implementation Method 1
the webs arranged on at least one side region are plastically deformed in such a way that the webs at least partially surround a section of the at least one piece of wire or cable that is inserted into the groove for fixing the piece of wire or cable in the groove
Data Source
Figure 1~3
Figure 4~7
AI summary
The invention relates to a damping and spring arrangement having two end pieces (10, 11) and having a wire or cable arrangement (2) connecting the end pieces (10, 11) to each other and comprising at least one wire or cable piece (20, 21), wherein the end pieces (10, 11) each have at least one groove (14) on the lateral surfaces (13) thereof which face away from each other, wherein the at least one wire or cable piece (20, 21) is inserted into a groove (14) of the one end piece (10) and in a groove (14) of the other end piece (11), wherein a groove depth of the grooves (14) is smaller than a diameter of the inserted wire or cable piece (20, 21), wherein at least one bridge (16) is formed on at least one lateral region of the grooves (14) in each case, and wherein the bridges (16) arranged on at least one lateral region of the grooves (14) are plastically deformed such that the bridges (16) surround a section of the at least one wire or cable piece (20, 21), which is inserted into the groove (14), at least in part, in order to fix the wire or cable piece (20, 21) in the groove (14). The invention further relates to a method for producing said damping and spring arrangement (1). The invention further relates to a use of an end piece (10, 11) in a damping and spring arrangement (1).