Elevator Drive Fastening Device with Adjustable Feet

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Solution Overview

Problem

Existing fastening devices for elevator systems require complex adjustments and lengthy assembly processes, increasing manufacturing costs and time, while also needing to be adaptable to various installation structures.

Innovation Solution

A fastening device comprising a beam with adjustable feet and a telescopic support leg, allowing for easy attachment to different installation structures with minimal adjustments, featuring a drive bracket that can be pre-assembled with the drive and a deflection roller for improved stability and adaptability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fastening device is designed to be adaptable to various installation structures, then versatility is improved, but device complexity increases

Engineering Contradiction:
Improveadaptability to various installation structuresVSAvoidcomplexity of fastening device
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The fastening device is designed with universal mounting brackets that can attach to different installation structures (walls, ceilings, floors) without requiring structure-specific customizations. The mounting brackets incorporate adjustable feet with levelers and multiple attachment point options, allowing the same device to function across various installation environments, thereby achieving versatility without proportionally increasing complexity

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

Solution Approach 2:

The fastening device incorporates adjustable and movable components including telescopic support legs with locking mechanisms, adjustable mounting brackets with repositionable feet, and flexible connection points. These dynamic elements allow the device to adapt to different installation conditions while maintaining a relatively simple base structure, resolving the contradiction between adaptability and complexity

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If adjustable support legs are added to improve adaptability, then versatility is improved, but manufacturing cost increases

Engineering Contradiction:
Improveadaptability to installation conditionsVSAvoidmanufacturing cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The support system is divided into modular components: telescopic support legs, mounting brackets, and adjustment mechanisms that can be manufactured separately and assembled. This segmentation allows each component to be produced using standardized processes, reducing overall manufacturing complexity and cost while maintaining adaptability

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The support legs incorporate telescopic mechanisms with adjustable lengths and locking features that allow the same component to serve multiple installation height requirements. By using parameter-adjustable design rather than multiple fixed components, the solution achieves versatility without proportionally increasing manufacturing cost

Inventive Principle:
Principle #35Parameter changes

3Productivity

If multiple adjustment mechanisms are included to reduce assembly time, then productivity is improved, but device complexity increases

Engineering Contradiction:
Improveassembly timeVSAvoidcomplexity of adjustment mechanisms
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The mounting brackets and support legs are pre-configured with adjustment mechanisms in their optimal positions during manufacturing. Levelers are pre-attached to feet, locking mechanisms are pre-positioned on telescopic legs, and mounting holes are pre-drilled at standard intervals. This preliminary preparation eliminates the need for complex field adjustments and reduces assembly time without requiring overly complex device structures

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4126732B1Fastener for fastening a drive of an elevator system
Publication Date: 2024.05.01 INVENTIO AG
  • EP4126732B1 patent drawingFigure 1~2
  • EP4126732B1 patent drawingFigure 3
  • EP4126732B1 patent drawingFigure 4~5

AI summary

The invention relates to a fastening apparatus (100) for fastening a drive (106) of an elevator system (800), wherein the elevator system (800) comprises an installation structure (802) for installing the drive (106). The fastening apparatus (100) comprises a beam (102) having two feet (114, 114a, 114b) for fastening the beam (102) to the installation structure (802), a drive holder (104) for receiving the drive (106), wherein the drive holder (104) is fastened to the beam (102), and a support leg (200) that is fastened on one end to the drive holder (104) and is designed to additionally support the drive holder (104) on the installation structure (802).