Modular Escalator Assembly Horizontal Orientation
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Solution Overview
Problem
The existing methods for manufacturing escalators are inefficient due to high production time, complex assembly processes, and space requirements, particularly in aligning and positioning load-bearing components, which complicates standardization and increases manufacturing costs and safety risks.
Innovation Solution
A modular assembly approach where escalators are constructed in a horizontal orientation for as long as possible, allowing for module-by-module assembly of longitudinal sections, including head and intermediate modules, to simplify alignment and reduce the need for complex equipment and tools, thereby improving accessibility and safety.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If escalators are assembled in the conventional inclined orientation with the supporting structure erected along its entire length, then the structural integrity and alignment are maintained, but the assembly process becomes time-consuming, requires complex equipment, and increases safety risks
Solution Approach 1:
The supporting structure is pre-assembled in a horizontal orientation on the assembly floor before being tilted to the final inclined position. This preliminary horizontal assembly allows workers to safely and efficiently install components without requiring complex overhead equipment, while still achieving the required structural integrity and alignment
Solution Approach 2:
The supporting structure transitions from a static horizontal assembly position to a dynamic inclined operational position. The structure is designed to be temporarily positioned horizontally during assembly, then tilted to the required inclination angle, combining the advantages of both orientations
2Stability of the object's composition
If the supporting structure is erected along its entire length before component installation, then structural stability is ensured, but accessibility for assembly work is reduced and space requirements increase
Solution Approach 1:
The supporting structure is pre-assembled horizontally to establish structural stability, then tilted to the inclined position only after components are installed. This sequence ensures the structure is stable during assembly while maximizing worker accessibility to all components
3Productivity
If conventional assembly methods with multiple successive joining devices are used, then joining efficiency is improved, but device complexity and manufacturing costs increase
Solution Approach 1:
All joining operations are performed preliminarily while the supporting structure is in the horizontal position, where standard ground-based joining devices can be used. This eliminates the need for complex overhead joining equipment while maintaining high joining efficiency
Solution Approach 2:
The horizontal assembly floor serves as an intermediary workspace that enables efficient joining operations. Components are joined on the horizontal floor using simple equipment, then the entire structure is tilted to the final inclined position, acting as a mediator between assembly simplicity and operational configuration
4Manufacturing precision
If precise positioning and alignment are performed with minimal tolerances, then manufacturing precision is improved, but production time and complexity increase
Solution Approach 1:
Precise positioning and alignment are performed preliminarily while the structure is horizontal, where gravity and the flat assembly surface naturally facilitate accurate positioning. This eliminates time-consuming adjustments that would be required when working in the inclined position
Solution Approach 2:
The horizontal assembly position creates an equipotential working surface where all components are at the same gravitational level, simplifying positioning and alignment operations. This eliminates the need for complex anti-gravity positioning techniques required in inclined assembly
Data Source
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AI summary
When it comes to track systems, it is important to ensure a good compromise between standardizability and variability, especially with regard to the supporting structure.According to the invention, a modular concept is provided with regard to both the structural design and the assembly method, wherein, for the modular assembly of at least one longitudinal section module of a modularly assembleable track device, the track device is provided in a modular configuration with at least three separately/independently produced longitudinal section modules comprising two head modules and at least one intermediate module, wherein the respective head module has a platform section to be arranged at least approximately horizontally for the intended operation and an inclined section connected thereto, wherein at least one of the head modules is arranged for modular assembly before the longitudinal section modules are connected such that its platform section is horizontally oriented.This also ensures good accessibility. The invention further relates to a corresponding track device.