Elevator Guide Rail Block Assembly With Rotating 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 and maintenance tasks.
Innovation Solution
An elevator guide rail block assembly featuring a framework with rotatable cams and an actuator element that securely engages the guide rails, allowing for quick and sturdy attachment and detachment for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If existing devices for temporarily hanging or suspending elements from guide rails are used, then the devices can provide sufficient loading capacity and structural stability, but the devices become heavy and require more than a single person to implement
Solution Approach 1:
The device employs dynamic cam mechanisms that rotate during the engagement process to transform the operator's input force into substantial clamping force. The cams convert rotational motion into linear clamping action, allowing a single operator to generate sufficient loading capacity without increasing device weight. This dynamic mechanism enables the lightweight structure to achieve high strength during operation.
Solution Approach 2:
The invention replaces traditional heavy mechanical lifting and engagement systems with a cam-based mechanical advantage system. Instead of relying on massive structural components to provide loading capacity, the device uses the mechanical advantage of rotating cams to multiply the operator's input force, achieving high strength with minimal weight.
2Productivity
If existing devices for temporarily hanging or suspending elements from guide rails are used, then the devices can provide stable engagement, but the installation process becomes time-consuming
Solution Approach 1:
The device is pre-configured with multiple cams and clamping surfaces ready for engagement. The framework and support elements are arranged in advance to align with the guide rail geometry, allowing the operator to simply rotate the cams to initiate clamping. This preliminary arrangement eliminates the need for complex alignment procedures during installation, significantly reducing installation time.
Solution Approach 2:
The rotating cam mechanism provides a dynamic engagement process where a single rotational motion simultaneously activates multiple clamping points. This dynamic action allows the entire engagement process to be completed in one continuous motion rather than through multiple discrete steps, improving installation speed while maintaining stable engagement.
3Strength
If existing devices for temporarily hanging or suspending elements from guide rails are used, then the devices can provide reliable suspension, but the devices have limited loading capacities
Solution Approach 1:
The device merges multiple clamping functions into a single integrated framework. Multiple cams work simultaneously to engage different surfaces of the guide rail, combining their clamping forces to achieve high loading capacity. The support elements are merged into a unified structure that distributes and multiplies the applied force, enabling the lightweight device to handle heavy loads through combined mechanical action.
Solution Approach 2:
The invention substitutes traditional weight-based strength provision with mechanism-based force multiplication. Instead of using heavy components to resist loads, the device uses the mechanical advantage of rotating cams to generate substantial clamping forces from minimal operator input, achieving high loading capacity without proportional increases in device weight.
4Ease of operation
If existing devices for temporarily hanging or suspending elements from guide rails are used, then the devices can provide secure engagement, but the devices require more than a single person to implement
Solution Approach 1:
The rotating cam mechanism transforms the operator's simple rotational input into complex multi-directional clamping forces. This dynamic mechanism allows a single operator to control the engagement of multiple clamping points simultaneously through one continuous rotational motion, making the heavy-duty device easy to operate despite its high loading capacity.
Solution Approach 2:
The invention replaces complex multi-person manual engagement procedures with a cam-based mechanical advantage system. The cams automatically distribute and multiply the single operator's input force across multiple clamping surfaces, substituting the need for multiple operators with a mechanism that performs the work of several people through mechanical force multiplication.
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 provides a lightweight, efficient, and versatile means to temporarily hang or suspend elements from guide rails, enhancing installation speed and loading capacity, thereby improving construction and maintenance processes.
Implementation Method 1
each of the plurality of rotatable cams engage a face of an elevator or counterweight guide rail and the clamp structure engages an opposing face of the elevator or counterweight guide rail to form a clamping action
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 cams supported for rotation by the framework and positioned between spaced apart support elements. The spaced apart support elements are connected together by a retention element. An actuator element is configured to actuate rotation of the plurality of rotatable cams. A clamp structure is attached to the framework and is spaced apart from the plurality of rotatable cams. In a rotated orientation, each of the plurality of rotatable cams engage a face of an elevator or counterweight guide rail and the clamp structure engages an opposing face of the elevator or counterweight guide rail to form a clamping action configured to secure the elevator guide rail block assembly to the elevator car or counterweight guide rail.