Suspended Line Guide Structure for Radial Load Resistance
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Solution Overview
Problem
Existing line guide apparatuses exhibit limited robustness against radially inwardly directed forces, leading to deformation and undesired transverse loading of lines, particularly in applications with long, freely suspended portions.
Innovation Solution
The line guide apparatus is enhanced with at least three radial bars on the central part to support the outer part radially, allowing better interception and diversion of inward forces, and includes a structured internal subdivision of the receiving space for lines, with optional spacer bodies to reduce bending radius and weight.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If two radial bars are provided to maximize receiving space, then the receiving space is maximized, but the robustness against radially inwardly directed forces is limited
Solution Approach 1:
The receiving space is divided into multiple segments by providing at least three radial bars that extend from the central part to the outer part. This segmentation allows the structure to maintain robustness against radially inwardly directed forces while still providing adequate receiving space for the lines. The radial bars create separate chambers that can independently support radial loads.
Solution Approach 2:
The radial bars are strategically positioned to provide localized support where radially inwardly directed forces are most likely to occur. The bars create defined chambers that concentrate support at critical locations while maintaining overall receiving space. This local reinforcement approach allows the structure to be robust without completely enclosing the receiving space.
2Length of moving object
If a long, freely suspended portion is used, then the line guide apparatus can span greater distances, but higher transverse forces and deformation occur
Solution Approach 1:
The guide bodies are divided into a central part and an outer part connected by radial bars, creating a segmented structure that can better distribute and withstand transverse forces. This segmentation allows the structure to maintain stability over longer spans by distributing loads across multiple support points rather than relying on a single continuous structure.
Solution Approach 2:
The guide body combines different structural elements (central part, radial bars, outer part) into a composite structure that leverages the strengths of each component. The radial bars act as stiffening elements that increase the overall structural rigidity, allowing the line guide apparatus to span greater distances while resisting deformation from transverse forces.
3Reliability
If the receiving space is completely enclosed, then lines are well protected, but access for insertion and removal becomes difficult
Solution Approach 1:
The receiving space is segmented into multiple chambers by the radial bars, creating separate compartments for organizing and protecting lines. This segmentation provides a degree of enclosure and protection while the modular chamber structure allows for easier access compared to a completely enclosed design.
Solution Approach 2:
The guide body is designed with dynamic characteristics that allow it to open and close. The outer part can be moved relative to the central part, enabling the receiving space to transition between a more open state (for insertion/removal) and a more enclosed state (for protection during operation).
Data Source
AI summary
Line guide apparatuses for guiding a plurality of lines for suspended applications such as for example in a drilling rig. The line guide apparatus has a flexible carrying strand of high tensile strength which extends over the length of the line guide apparatus. Guide bodies are arranged in the longitudinal direction of the carrying strand, adjacent guide bodies being spatially deflectable relative to one another. At least some guide bodies in each case have a central part with a fastening device for fastening to the carrying strand, and an outer part with at least one circumferential element, which delimits a receiving region for lines. At least three radial bars are provided on the central part and hold the outer part. At least one spacer body is provided on the carrying strand between in each case two guide bodies, the spacer body specifying a spacing between the central parts of the guide bodies. The spacer body may be configured with an external diameter which is reduced relative to the guide bodies and/or in such a way that the outer parts of the two guide bodies may rest against one another in the fully deflected relative position.