Modular Cassette Assembly for Vehicle Repair Pits
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Solution Overview
Problem
Existing assembly and repair devices for vehicles are limited by maximum permissible transport dimensions, requiring complex on-site welding and being susceptible to corrosion, which restricts their size and functionality.
Innovation Solution
A modular assembly and repair device composed of multiple cassette sections, each with dimensions within standard transport container limits, allowing for flexible assembly without welding seams, using a labyrinth-like seal system to ensure a tight seal against concrete filling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a one-piece cassette is used, then the structural integrity is improved, but the transportability deteriorates due to size limitations
Solution Approach 1:
The cassette is divided into multiple modular sections that can be transported separately within standard container dimensions and then assembled on-site to form a complete assembly and repair pit of any required length, eliminating transport size limitations while maintaining structural integrity through standardized connection interfaces
2Adaptability or versatility
If multiple cassette sections are assembled on-site, then the adaptability is improved, but the device complexity increases due to welding requirements
Solution Approach 1:
The cassette is divided into multiple modular sections that can be transported separately within standard container dimensions and then assembled on-site to form a complete assembly and repair pit of any required length, eliminating transport size limitations while maintaining structural integrity through standardized connection interfaces
Solution Approach 2:
The modular sections are designed with standardized interfaces and dimensions that allow them to be used in various configurations and applications, enabling the same basic module to serve multiple purposes across different vehicle types and repair scenarios
3Reliability
If welding is used to connect cassette sections, then the sealing performance is improved, but the corrosion resistance deteriorates
Solution Approach 1:
A corrosion-resistant sealing element is introduced as an intermediary component between cassette sections to provide both sealing and corrosion protection, replacing direct welding connections that are susceptible to corrosion while maintaining reliable sealing performance against concrete filling material
Data Source
AI summary
The device has a cassette made from steel or corrosion resistant material provided with side walls (7) arranged at front end walls (5), and a base (8). The side walls are provided with inner and outer walls (7a,7b) arranged apart from each other, to define a cavity (9) to receive a curable filling material. The side walls managing cassette elements are provided for receiving the rollers of a brake testing apparatus. The cassette is divided into two cassette portions (1) having specific length, width and height. The cassette portion is provided with a silicone joint at interface (3).