Cladding Plate Fixing Device Centring Mechanism
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Solution Overview
Problem
Existing fixing devices for cladding plates on vehicle undercarriages are prone to misalignment and disengagement due to flexible materials or large dimensions, leading to potential accidents during vehicle motion, especially under strong vibrations.
Innovation Solution
A fixing device with a top suspension featuring an insert and receiving element with centring means, and a spring-loaded lock, along with a C-shaped bearing and axle system in the bottom suspension, ensures secure attachment and easy removal of the cladding plate, preventing accidental disengagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a simple hook and ratchet system is used for attaching the cladding plate, then the device complexity is reduced and manufacturing cost is lowered, but the reliability of attachment deteriorates due to misalignment and accidental disengagement
Solution Approach 1:
The patent introduces an intermediary centring mechanism with guide surfaces and a centring element that mediates between the simple hook/ratchet system and the cladding plate. This intermediary component ensures proper alignment and prevents accidental disengagement without requiring a completely complex fixing device, thus resolving the contradiction between simplicity and reliability.
Solution Approach 2:
The centring mechanism performs preliminary alignment action before the final locking engagement of the ratchet system. The guide surfaces and centring element prepare the cladding plate in the correct position and orientation beforehand, preventing misalignment issues during operation while maintaining the simplicity of the overall device.
2Adaptability or versatility
If the cladding plate is made flexible to accommodate large dimensions, then the adaptability is improved, but the manufacturing precision deteriorates due to misalignment in the ratchet system
Solution Approach 1:
The centring mechanism acts as an intermediary that compensates for flexibility-induced misalignment. The guide surfaces and adjustable centring element adapt to the flexible cladding plate's position while maintaining precise engagement with the ratchet system, thus allowing flexibility without sacrificing manufacturing precision.
Solution Approach 2:
The centring mechanism incorporates adjustable parameters that can be modified to accommodate variations in the flexible cladding plate's position. By changing the position or orientation of the centring element, the system maintains precise alignment despite the plate's flexibility and large dimensions.
3Reliability
If the top suspension uses a manual-release lock to secure the plate, then the reliability is improved by preventing accidental release, but the ease of operation deteriorates due to difficulty in removal
Solution Approach 1:
The fixing system is segmented into distinct functional components: the centring mechanism for alignment, the ratchet system for secure locking, and the manual-release mechanism for controlled removal. This segmentation allows each component to optimize its function - the ratchet provides reliable security while the dedicated release mechanism maintains ease of operation when needed.
Solution Approach 2:
The ratchet system provides self-locking functionality that automatically secures the cladding plate without requiring continuous manual intervention. Once engaged, the ratchet maintains security autonomously, while the separate manual-release mechanism provides controlled access for removal when required, balancing reliability and ease of operation.
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
The solution provides enhanced security and ease of removal for cladding plates by centering and locking the insert and receiving element, and using a C-shaped bearing and axle system that prevents accidental unhooking, ensuring the cladding plate remains securely attached during vehicle motion.
Implementation Method 1
the receiving element comprises a spring-loaded lock cooperating with a respective seat on the insert
Implementation Method 2
Insert and receiving element comprise centring means, that complement each other in their design so that the insert, when pressed into the receiving element, is centred
Implementation Method 3
The bottom suspension comprises a bearing, defining a longitudinal developing axis, parallel to the direction in which the vehicle travels, mounted on the vehicle side with a C-shaped cross-section with respect to said axis
Data Source
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AI summary
The invention concerns a fixing device for a cladding plate (12) on the undercarriage (14) of a vehicle, especially a heavy goods vehicle, with a top and bottom suspension for releasably attaching the cladding plate to the undercarriage. The cladding plate can be pivoted away from the vehicle at its bottom suspension (22) and removed in said pivoted-away position, whilst the top suspension comprises a manual-release lock (72). The top suspension comprise a receiving element (56) and an insert (54) with complementary angled surfaces for centering thereof.