Line Guide Restoring Force Distribution
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Solution Overview
Problem
Existing line guiding devices with helical springs are prone to breaking under continuous stress due to uneven distribution of restoring force, making them unreliable and costly to manufacture.
Innovation Solution
A fastening plate with an open-edged slot is inserted into the helical spring at one end, distributing the restoring force across a larger area, and multiple tension springs are used to stabilize the line, connected to the first section and guide device, allowing for adjustable prestressing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a helical spring is used as a restoring device in a guide device, then the line can be returned to its starting position, but the spring is prone to breaking at its ends under continuous stress
Solution Approach 1:
A fastening plate is introduced as an intermediary component between the helical spring and the first section of the line. The fastening plate distributes the restoring force over a larger area, preventing stress concentration at the spring ends that would otherwise lead to breaking. This mediator component resolves the contradiction by maintaining reliability while protecting the spring's structural strength.
2Ease of operation
If the restoring force acts on the first section of the line at certain points, then the line can be moved, but the force is not distributed evenly causing potential failure points
Solution Approach 1:
The fastening plate creates a local quality change by providing a distributed contact surface where the restoring force acts. Instead of concentrated point forces that create failure risks, the force is distributed across the plate's surface area, maintaining ease of operation while eliminating reliability concerns from stress concentration.
3Ease of operation
If a tube is used to accommodate the first section of the hose surrounded by a compression spring, then the hose can be guided linearly, but the device becomes complex to manufacture and expensive
Solution Approach 1:
The invention extracts the essential function of linear guidance from the complex tube-spring assembly and implements it through a simpler configuration using a helical spring with a fastening plate. This extraction maintains the linear guidance capability while eliminating unnecessary structural complexity, thereby reducing manufacturing difficulty and cost.
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 risk of helical spring failure and provides a reliable, easy-to-assemble device that efficiently returns the line to its original position, ensuring stable operation and reduced manufacturing complexity.
Implementation Method 1
a first section (18) of the line (14) is guided in a linearly movable manner in its longitudinal direction against the elastic force of a restoring device (32)
Implementation Method 2
the restoring device has at least one tension spring (32) arranged next to the first section (18) of the line (14), which is firmly connected at a first end (34) to the first section (18) of the line (14) and at a second end (36) to the guide device (24, 28)
Data Source
Figure 1
Figure 2
AI summary
The invention relates to a device (10) for guiding a line (14), comprising a guiding device (24, 28), in which a first section (18) of the line (14) is guided in the longitudinal direction thereof against the elastic force of a restoring force (32) in a linearly moveable manner, wherein a curved second section (20) of the line (14), which forms a longitudinal reserve, adjoins the first section (18). It is provided that the restoring device comprises at least one tension spring (32) arranged next to the first section (18) of the line (14), said spring being rigidly connected with a first end (34) to the first section (18) of the line (14) and with a second end (36) to the guiding device (24, 28).