Elevator Car Horizontal Transfer via Integrated Guide Rail

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Solution Overview

Problem

Existing elevator systems with vertical and horizontal movement capabilities require a large number of components and suffer from accuracy issues during horizontal displacement, leading to increased manufacturing and installation costs, as well as potential reliability problems.

Innovation Solution

The elevator system employs a car transfer mechanism with a horizontal displacement unit that integrates a vertical guide rail piece, allowing horizontal movement without the need for guide shoes to leave the vertical rails, reducing the number of components and eliminating accuracy issues, and includes a controllable brake mechanism for enhanced reliability and safety.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If guide shoes leave vertical guide rails during horizontal displacement, then horizontal movement can be achieved, but accuracy problems and increased component complexity occur

Engineering Contradiction:
Improvehorizontal displacement capabilityVSAvoidguidance accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The patent merges the vertical guidance function with the horizontal displacement function by integrating a vertical guide rail piece into the horizontal displacement unit. This allows the guide shoes to remain engaged with vertical guide rails throughout both vertical and horizontal movements, eliminating guidance accuracy problems while maintaining ease of operation.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The vertical guide rail piece integrated into the horizontal displacement unit serves multiple functions: it provides vertical guidance during horizontal displacement and forms a continuous section of the vertical guide rail. This multi-functional design eliminates the need for separate guidance mechanisms, reducing component complexity while maintaining precision.

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

2Ease of operation

If multiple pivotable car guide rails and supporting rollers are used for horizontal displacement, then horizontal movement is enabled, but device complexity and manufacturing costs increase

Engineering Contradiction:
Improvehorizontal displacement capabilityVSAvoidnumber of movable components
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent combines the guidance function and displacement function into a single integrated structure. The horizontal displacement unit contains a vertical guide rail piece that provides guidance while the unit itself performs horizontal displacement, eliminating the need for multiple pivotable guide rails and supporting rollers.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent extracts the essential guidance function from the complex system of pivotable guide rails and supporting rollers, retaining only the necessary vertical guide rail piece integrated into the horizontal displacement unit. This simplification reduces the number of movable components while maintaining horizontal displacement capability.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If eight end sections of car guide rails are arranged pivotably with controllable pivoting drives, then horizontal displacement is achieved, but functional reliability decreases due to more components to control

Engineering Contradiction:
Improvehorizontal displacement capabilityVSAvoidfunctional reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent merges the guidance and displacement functions into the horizontal displacement unit, which contains an integrated vertical guide rail piece. This eliminates the need for multiple pivotable guide rail sections and their associated pivoting drives, reducing the number of controlled components and improving functional reliability.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9248994B2Elevator system with elevator cars which can move vertically and horizontally
Publication Date: 2016.02.02 INVENTIO AG
  • US9248994B2 patent drawing
  • US9248994B2 patent drawing
  • US9248994B2 patent drawing

AI summary

An elevator system has an elevator car which can move vertically along a vertical track having a vertical guide rail, and can move horizontally utilizing a car transfer device. The car transfer device has a horizontal displacement unit into which a vertical guide rail piece can be integrated, the guide rail piece guiding the elevator car in the horizontal displacement unit. The horizontal displacement unit can be positioned so that the guide rail piece forms a section of the vertical guide rail. The elevator car can be fixed on the guide rail piece during the horizontal displacement by a brake device.