Elevator Guide Rail Block Assembly With Rotatable Cam Clamping
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Solution Overview
Problem
Existing devices for temporarily hanging or suspending elements from elevator or counterweight guide rails are heavy, time-consuming to install, and have limited loading capacities, making them inefficient for construction, installation, and maintenance tasks.
Innovation Solution
An elevator guide rail block assembly featuring a framework with rotatable cams and a clamp structure, actuated by an actuator element, which securely engages with guide rails to provide a sturdy and removable connection, allowing for quick repositioning and varying load capacities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If existing structures and devices are used to temporarily engage guide rails, then the connection is secure, but the devices are heavy requiring more than a single person to implement
Solution Approach 1:
The patent changes the structural parameters of the guide rail engagement device by using a modular block assembly with integrated cam mechanisms rather than heavy traditional structures. This allows the device to maintain sufficient clamping force while reducing overall weight to be manageable by a single person.
Solution Approach 2:
The device is segmented into modular components including a framework, multiple rotatable cams, and a clamp structure that can be assembled and disassembled. This segmentation reduces the weight of individual parts while maintaining the overall strength and security of the connection when assembled.
2Strength
If existing structures and devices are used to temporarily engage guide rails, then the connection is secure, but the devices are time consuming to install
Solution Approach 1:
The block assembly is pre-configured with integrated cam mechanisms and clamp structures that are ready for immediate engagement. The preliminary arrangement of components allows for rapid installation by simply positioning the block against the guide rail and actuating the cam mechanism, eliminating time-consuming assembly steps.
Solution Approach 2:
The device incorporates rotatable cams that can be quickly actuated to transition from an open to a clamped state. This dynamic mechanism allows the installer to rapidly secure the connection without manual fastening or complex adjustment procedures, significantly reducing installation time while maintaining secure engagement.
3Strength
If existing structures and devices are used to temporarily engage guide rails, then the connection is secure, but the devices have limited loading capacities
Solution Approach 1:
The block assembly is designed as a universal device that can be applied to various guide rail configurations and sizes. The adjustable clamp structure and modular design allow the same device to accommodate different loading requirements, from light maintenance tasks to heavier construction activities, greatly enhancing adaptability and versatility.
Solution Approach 2:
The rotatable cam mechanism provides a dynamic clamping force that can be adjusted based on loading requirements. By rotating the cam to different positions, the clamping pressure can be varied to accommodate different weight capacities, allowing a single device to handle a wide range of loading scenarios while maintaining secure connection.
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
The solution enables a secure, efficient, and versatile method to temporarily hang or suspend elements from guide rails, improving installation and maintenance processes by reducing weight, installation time, and increasing loading capacity.
Implementation Method 1
the combination of the plurality of rotatable cams and the clamp structure form a clamping action configured to secure the elevator guide rail block assembly to an elevator car or counterweight guide rail
Data Source
AI summary
An elevator guide rail block assembly configured for use with an elevator car or counterweight guide rail is provided. The elevator guide rail block assembly includes a framework and a plurality of rotatable cams attached to the framework. An actuator element is configured to actuate rotation of the plurality of rotatable cams. A clamp structure is attached to the framework and spaced apart from the plurality of rotatable cams. In a rotated orientation, the combination of the plurality of rotatable cams and the clamp structure form a clamping action configured to secure the elevator guide rail block assembly to an elevator car or counterweight guide rail.