Rail Bracket Adhesive Fixing for Elevator Shaft Walls
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Solution Overview
Problem
Existing methods for fixing rail brackets on elevator shaft walls are time-consuming, noisy, physically demanding, and require robust, expensive mechatronic components due to the need for large holes in concrete, especially when dealing with reinforced walls.
Innovation Solution
A method using an adhesive layer between the rail bracket and the shaft wall, allowing for secure fixation with minimal drilling and reduced physical strain, utilizing a lightweight and cost-effective mechatronic installation component, and optionally supplemented with small diameter holes or fastening elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If fastening elements with diameter of at least 10 mm are used to fix the rail bracket to the shaft wall, then the fixing strength is improved, but the drilling time increases and drilling dust and noise are generated
Solution Approach 1:
The patent replaces the mechanical drilling and fastening system with a chemical adhesive bonding system. Instead of using fastening elements requiring large diameter holes (10 mm or more), the invention applies adhesive directly to the rail bracket and shaft wall surfaces, allowing the adhesive to chemically bond the components together. This substitution eliminates the need for extensive drilling operations while maintaining fixing strength through chemical adhesion rather than mechanical interlocking.
Solution Approach 2:
The invention changes the fixation parameter from mechanical (fastening element diameter of 10 mm or more) to chemical (adhesive bonding). By transitioning from a mechanical fastening approach requiring large holes to a chemical bonding approach, the patent reduces the hole diameter requirement to minimal or no holes at all, thereby reducing drilling time and eliminating associated dust and noise while preserving the necessary fixing strength.
2Strength
If fastening elements with diameter of at least 10 mm are used to fix the rail bracket to the shaft wall, then the fixing strength is improved, but noise and drilling dust are generated
Solution Approach 1:
The patent replaces the mechanical drilling and fastening system with a chemical adhesive bonding system. Instead of using fastening elements requiring large diameter holes (10 mm or more), the invention applies adhesive directly to the rail bracket and shaft wall surfaces, allowing the adhesive to chemically bond the components together. This substitution eliminates the need for extensive drilling operations while maintaining fixing strength through chemical adhesion rather than mechanical interlocking.
3Manufacturing precision
If a mechatronic installation component is used to fix the rail bracket, then the assembly precision is improved, but the device weight and cost increase due to robust design requirements
Solution Approach 1:
The patent replaces the mechanical drilling and fastening system with a chemical adhesive bonding system. Instead of using fastening elements requiring large diameter holes (10 mm or more), the invention applies adhesive directly to the rail bracket and shaft wall surfaces, allowing the adhesive to chemically bond the components together. This substitution eliminates the need for extensive drilling operations while maintaining fixing strength through chemical adhesion rather than mechanical interlocking.
Solution Approach 2:
The invention employs a simpler, less robust mechatronic installation component that applies adhesive in a controlled manner. Since the component only needs to apply adhesive and position the rail bracket rather than withstand high drilling forces and vibrations, it can be designed with lighter materials and simpler mechanics, reducing both weight and cost while maintaining assembly precision.
4Strength
If holes are drilled in reinforced shaft walls, then the fixing strength is improved, but the drilling difficulty increases
Solution Approach 1:
The patent replaces the mechanical drilling and fastening system with a chemical adhesive bonding system. Instead of using fastening elements requiring large diameter holes (10 mm or more), the invention applies adhesive directly to the rail bracket and shaft wall surfaces, allowing the adhesive to chemically bond the components together. This substitution eliminates the need for extensive drilling operations while maintaining fixing strength through chemical adhesion rather than mechanical interlocking.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method significantly reduces noise, physical strain, and equipment costs by allowing for easy and secure fixation of rail brackets with minimal drilling and vibration resistance, enabling efficient assembly of elevator systems.
Implementation Method 1
an adhesive layer is applied which, in a fixed state of the rail bracket, is arranged between a support surface of the rail bracket and a final fixing region of the shaft wall. The rail bracket is therefore adhered to the shaft wall
Data Source
AI summary
A method for fixing a rail bracket for mounting a guide rail on a shaft wall of an elevator shaft of an elevator system includes applying an adhesive layer between a support surface of the rail bracket and a final fixing region of the shaft wall in the fixed state of the rail bracket. The rail bracket is thus adhered to the shaft wall, and the rail bracket can also be additionally fixed to the shaft wall by at least one fixing element such as a nail.