Mobile Elevator Door Coupling Skid for Flexible Synchronization
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Solution Overview
Problem
Existing elevator door systems require multiple variants of door drive units and coupling mechanisms with different connection dimensions, leading to unnecessary expense and complexity during system renovation, as they need to be customized for various existing systems.
Innovation Solution
A device with adjustable entraining skids that can change their spacing, allowing for flexible coupling and decoupling of elevator doors, where one or more skids are supported in a mobile fashion relative to the entraining skid support, enabling the doors to be synchronized and locked without additional locking mechanisms, and utilizing a securing coupling to maintain alignment during movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple variants of door drive units and coupling mechanisms are manufactured with different connection dimensions, then the system can be adapted to various existing systems during renovation, but the expense and complexity of manufacturing and storage increases significantly
Solution Approach 1:
The entraining skid is designed to be mobile relative to the entraining skid support, allowing dynamic adjustment of the coupling mechanism's position and configuration. This mobility enables a single device variant to adapt to different connection dimensions and existing systems, eliminating the need to manufacture and store multiple fixed variants.
Solution Approach 2:
The system allows for changing the position and orientation parameters of the entraining skid through its mobile support mechanism. By adjusting these parameters, the same coupling mechanism can accommodate various connection dimensions and adapt to different existing elevator systems during renovation.
2Ease of operation
If a mobile entraining skid is used that can be lifted by an actuating element, then the device can disengage from the door during closing movement without additional locking mechanisms, but the mechanism complexity increases
Solution Approach 1:
The mobile entraining skid is designed to lift itself automatically using the actuating element during the closing movement. The system utilizes the existing motion and forces of the door closing process to trigger the lifting action, eliminating the need for separate locking mechanisms or additional actuation systems.
Solution Approach 2:
The actuating element is positioned and configured to engage with the mobile entraining skid at the appropriate moment during the closing movement. This preliminary arrangement ensures that the lifting action occurs automatically at the correct time, achieving automatic disengagement without requiring complex control systems.
3Adaptability or versatility
If the entraining skid spacing can be changed, then the device can be adjusted to fit different door configurations, but the adjustment mechanism adds complexity
Solution Approach 1:
The entraining skids are mounted on a mobile support that allows their spacing to be dynamically adjusted. The mobility of the support structure enables the spacing between entraining skids to be changed to accommodate different door configurations, replacing the need for fixed, pre-configured variants.
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 solution reduces the need for multiple variants of door drive units and coupling mechanisms, minimizing renovation costs by allowing the device to adapt to various systems without significant customization, ensuring efficient and cost-effective installation and operation.
Implementation Method 1
The pivoting levers are embodied and supported on the entraining skid 7 and the entraining skid support 6 so that when the entraining skids 7, 8, 8a are completely coupled to the door that is to be entrained by them, then each of the pivoting levers 9 of the entraining skid 7 is oriented so that the forces that are exerted on this entraining skid 7 both in the movement direction of the door and in the opposite direction can be at least essentially or preferably completely transmitted by the pivoting levers 9
Implementation Method 2
this entraining skid comes into contact with an actuating element 20 that preferably remains immobile relative to the guide rail 1. This actuating element forces the at least one entraining skid 7 to execute a lifting movement
Data Source
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AI summary
A device for synchronously actuating and locking elevator doors, which are situated one behind the other in the passage direction - such as a car door and a shaft door; the device includes entraining skids (7, 8, 8a) that are associated with a first driven door and whose spacing relative to one another can be changed in order to be able to couple the first door to the second door and move them together, wherein at least one of the entraining skids (7) is supported in mobile fashion relative to the component, which holds it directly and is preferably embodied in the form of an entraining skid support (6), and toward the end of the closing movement, is secured so that it disengages from the second door, particularly by coming into contact with a stationary actuating element (20), which forcibly imparts a lifting movement to the at least one entraining skid (7), wherein the at least one mobile entraining skid (7) is secured to at least two pivoting levers (9) and the pivoting levers are embodied and supported on the entraining skid (7) and the entraining skid support (6) so that when the entraining skids (7, 8, 8a) are completely coupled to the door that is to be entrained by them, then each of the pivoting levers (9) of the entraining skid (7) is oriented so that the forces that are exerted on this entraining skid (7) both in the movement direction of the door and in the opposite direction can be completely transmitted by the pivoting levers (9), without the occurrence of a torque that acts on the pivoting levers (9).