Escalator Guideway Support Structure With Precision Position Markers
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Solution Overview
Problem
Existing guideway device support structures, such as those for escalators, have large manufacturing tolerances due to welding, requiring complex and laborious procedures for positioning and aligning components.
Innovation Solution
A support structure for guideway devices with fastening means for position markers that are positioned with high precision relative to a reference point, allowing for simplified and accurate alignment of components using defined-shaped markers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If welding is used to construct support structures from profiles, then structural strength and stability are improved, but manufacturing precision deteriorates due to large tolerances
Solution Approach 1:
Position markers are attached to structural elements during manufacturing in predetermined positions. This preliminary action establishes precise reference points before assembly, allowing components to be accurately positioned relative to the support structure without being affected by welding tolerances.
Solution Approach 2:
Position markers serve as intermediary reference elements between the support structure and components to be attached. These markers provide a stable reference system that mediates the positioning process, enabling precise alignment despite variations in the underlying support structure geometry caused by welding.
2Manufacturing precision
If complex positioning and alignment procedures are used to compensate for large tolerances, then manufacturing precision is improved, but device complexity and assembly time increase
Solution Approach 1:
The position markers enable the support structure to self-reference during assembly. By providing predetermined, easily identifiable reference points directly on the support structure, the system performs its own positioning function without requiring external measurement tools or complex alignment procedures.
Solution Approach 2:
Position markers create simplified reference copies of the ideal geometric positions. Instead of relying on the actual (imprecise) geometry of welded profiles, the markers provide idealized reference points that components can be aligned to, effectively copying the intended design geometry onto the manufactured structure.
3Manufacturing precision
If manual positioning and alignment procedures are used, then manufacturing precision is improved, but productivity decreases due to laborious assembly
Solution Approach 1:
The position markers enable rapid self-positioning during assembly. Workers can quickly locate and align components using the visible, predetermined markers on the support structure, eliminating time-consuming measurement and calculation procedures while maintaining high positioning accuracy.
Solution Approach 2:
Position markers provide visual reference points that can be easily seen and identified during assembly. The markers create high-contrast visual cues that guide workers' eyes to the correct positioning locations, enabling fast and accurate alignment without requiring complex measurement tools or procedures.
Data Source
Figure 1a~1d
Figure 2a~2b
Figure 2c~2d
AI summary
The present invention relates to a support structure (2) for a travel device (1), in particular an escalator device, comprising at least one side wall unit (2.1, 2.2), wherein the side wall unit (2.1, 2.2) comprises several structural elements and/or structural sections (6.1, 6.2), wherein at least one structural element/structural section (6.1, 6.2) comprises at least one fastening means (30) for attaching a definedly shaped position marker (31, 35), wherein the at least one fastening means (30) is positioned in a defined manner relative to a reference point (18) of the support structure (2), and wherein the at least one fastening means (30) is positioned on the structural element/structural section (6.1, 6.2) such that a definedly shaped position marker (31, 35) attached thereto marks a position of a component of the travel device (1). The invention further relates to a longitudinal section module (1.1, 1.2, 1.3) a modularly assembled track device (1) with such a supporting structure (2), a corresponding track device (1) and a method for assembling and/or maintaining such a track device (1).