Adjustable Elevator Guide Rail Positioning System

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Solution Overview

Problem

The traditional manual installation of elevator guide rails is inaccurate, inefficient, costly, and lacks safety and comfort, with existing solutions still having shortcomings in device structure, reliability, and convenience.

Innovation Solution

A system and method for adjustably positioning elevator guide rails, featuring an adjustment device on a moving platform with a clamping portion and powering portion, a detection device to monitor movement characteristics, and a control device to adjust the clamping portion for precise positioning and installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If manual installation method is used, then installation flexibility is maintained, but installation accuracy and working efficiency deteriorate

Engineering Contradiction:
Improveguide rail installation accuracyVSAvoidworking efficiency
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent replaces manual mechanical installation with an automated positioning system that uses a moving platform, detection device, and control device. The detection device detects guide rail positions, and the control device automatically adjusts the moving platform to achieve precise positioning without manual intervention, thereby improving both accuracy and efficiency simultaneously.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-positioning through automatic detection and adjustment. The detection device continuously monitors guide rail positions, and the control device automatically commands the moving platform to adjust positions, creating a self-correcting system that improves installation quality without requiring skilled manual operation.

Inventive Principle:
Principle #25Self-service

2Productivity

If automated positioning system is introduced, then installation efficiency and accuracy improve, but device complexity increases

Engineering Contradiction:
Improveinstallation efficiencyVSAvoiddevice structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The moving platform serves multiple functions: it carries the detection device, supports the guide rail clamping mechanism, and provides the positioning adjustment capability. This multi-functionality reduces the need for separate dedicated components, thereby managing device complexity while achieving automated positioning.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The control device acts as an intermediary that receives detection data from the detection device and translates it into positioning commands for the moving platform. This intermediary layer simplifies the overall system architecture by centralizing the control logic and reducing direct complexity between sensing and actuation components.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Manufacturing precision

If manual installation is used, then cost investment is reduced, but installation quality and safety deteriorate

Engineering Contradiction:
Improveinstallation qualityVSAvoidcost investment
Core Design Contradiction:
Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The system uses a dynamically adjustable moving platform that can adapt its position based on real-time detection of guide rail locations. This dynamic adjustment capability ensures high installation quality by automatically compensating for dimensional variations, while the modular design keeps manufacturing costs manageable.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4155251B1System and method for adjustably positioning an elevator guide rail
Publication Date: 2025.05.14 OTIS ELEVATOR CO
  • EP4155251B1 patent drawingFigure 1
  • EP4155251B1 patent drawingFigure 2
  • EP4155251B1 patent drawingFigure 3~4

AI summary

The disclosure relates to a system (10) and method for adjustably positioning an elevator guide rail (70). The system includes: an adjustment device (10) arranged on a moving platform and having a clamping portion and a powering portion, the clamping portion being arranged to be capable of clamping an elevator guide rail (70) to be installed through a power output from the powering portion and moving in a first (D1), a second (D2) and/or a third (D3) directions, and the moving platform being capable of moving up and down in the first direction (D1); a detection device (40) arranged to detect current movement characteristics of the clamping portion when the elevator guide rail (70) is not clamped or has been clamped by the clamping portion; and a control device (50) connected to the detection device (40) and the adjustment device (10), and arranged to adjust the position of the clamping portion in place by controlling the powering portion according to the movement characteristics so that the clamped elevator guide rail (70) can be positioned and installed at a target position.