Embedded Escalator Truss Assembly for Building Retrofit
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Solution Overview
Problem
Existing escalators require complete removal and replacement of the original truss during updates, which is time-consuming, labor-intensive, and can damage the building, increasing costs.
Innovation Solution
The embedded type updating escalator uses a sectioned truss assembly where sections are embedded into the original truss, allowing for updates without removing the original truss, thereby preserving its structural integrity and avoiding damage to the building.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the original truss is completely removed and replaced with a new escalator, then the escalator can be updated, but the building may be damaged and the update process becomes time-consuming and labor-intensive
Solution Approach 1:
The new escalator truss assembly is nested within the original truss space. The patent describes embedding the new truss assembly into the original truss, where the new structure fits inside the existing external boundaries, thus updating the escalator without removing the original truss and avoiding building damage.
Solution Approach 2:
The new truss assembly is divided into multiple sections that can be separately manufactured and then assembled within the original truss. This segmentation allows the new escalator to be constructed in parts within the confined space of the original truss, enabling update without complete removal.
2Reliability
If the original truss is completely removed and replaced, then the escalator can be updated, but the update process becomes time-consuming and labor-intensive
Solution Approach 1:
The new truss assembly is pre-assembled in sections outside the building, then quickly installed within the original truss. This preliminary preparation of components elsewhere allows for rapid installation without disrupting the building structure or requiring lengthy on-site construction.
3Reliability
If the original truss is completely removed and replaced, then the escalator can be updated, but the cost increases due to removal and potential building repair
Solution Approach 1:
The original truss is retained and reused as the external structure, while only the internal components are replaced. This approach recovers the value of the original truss investment and avoids the costs associated with complete removal and potential building repairs.
4Reliability
If a new truss is installed inside the original truss, then the escalator can be updated without removal, but the transverse width of the new truss must be smaller than the inner transverse width of the original truss
Solution Approach 1:
The design accommodates the width constraint by optimizing the internal arrangement of the new truss assembly. The staircase width and component layout are adjusted in the transverse dimension to fit within the available space while maintaining functional requirements.
Data Source
Figure 1~2A
Figure 2B~3
Figure 4~5
AI summary
An embedded type updating escalator, combined with an original truss (10) of an original escalator for installation. The embedded type updating escalator comprises a truss assembly, as well as stairs, stair guide rails, stair chains, a traction machine, a skirt panel, inner and outer cover plates, a handrail system, and an electrical control system which are combined and mounted with the truss assembly. The truss assembly comprises a plurality of sections. The transverse width of the sections is smaller than the inner transverse width of the original truss, and the plurality of sections are embedded into the original truss. The original truss is provided with a plurality of transverse bars (11), and the sections avoid the transverse bars when embedded into the original truss. According to the embedded type updating escalator, complete updating of the escalator is achieved under the condition that the original truss is reserved, the updating cost is effectively reduced, and manpower is saved.