Fire Gate With Folding Panel And Elastic Mantle
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Solution Overview
Problem
Conventional fire protection doors with folded leaves require significant space for horizontal movement and are heavy, necessitating large outlet spaces and complex drive systems.
Innovation Solution
A fire protection door with a horizontally movable, elastic mantle made of fireproof fabric attached to supporting arms with joints, utilizing a flexible drive strand and adjustable carriages in horizontal and bent guides, allowing for compact operation and reduced weight through a winch and electromagnetic locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If rigid panel sections are used for the folding leaf, then the door provides good fire protection and structural strength, but the door becomes heavy and requires large outlet spaces
Solution Approach 1:
The patent replaces rigid panel sections with a flexible fireproof fabric mantle that is stretched over a lightweight supporting arm framework. This flexible mantle provides the necessary fire protection while dramatically reducing the weight compared to traditional rigid panels, resolving the contradiction between weight and structural strength.
Solution Approach 2:
The folding leaf is constructed as a composite structure combining a fireproof fabric mantle with a metal supporting arm framework. This composite design maintains fire protection capabilities while achieving weight reduction through the lightweight framework structure.
2Area of stationary object
If horizontally movable folding leaf is used, then the door can be opened and closed, but large outlet spaces are required on the sides and above the door
Solution Approach 1:
The patent changes the movement direction from purely horizontal to a combination of horizontal and vertical movement. The supporting arms are arranged to move along horizontal guides while the entire assembly can move vertically within the door opening, eliminating the need for large lateral outlet spaces while maintaining operational ease.
Solution Approach 2:
The supporting arms are designed with adjustable positions along the horizontal guides, allowing the structure to adapt dynamically during opening and closing operations. This dynamic adjustment enables compact operation within limited space while maintaining ease of operation.
3Device complexity
If complex drive systems are used to move the folding leaf, then reliable operation is achieved, but the system becomes complicated and space-consuming
Solution Approach 1:
The patent employs counterweights suspended from the supporting arms to balance the weight of the folding leaf during operation. This counterbalancing mechanism eliminates the need for complex motorized drive systems, significantly reducing system complexity while maintaining reliable operation through simple mechanical means.
Solution Approach 2:
The folding door system uses gravity and counterweights to automatically move the leaf during opening and closing operations without requiring external power sources or complex control systems. This self-service mechanism reduces device complexity while ensuring reliable operation through passive mechanical means.
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 lightweight, space-efficient fire protection door that can close by gravity, eliminating the need for extensive outlet spaces and simplifying the drive system while maintaining effective sealing and operation.
Implementation Method 1
A weight 22 is hung up on the vertically hanging end section 21 of the dream 14. To ensure control of the movement of the leaf as the gate closes by gravity...
Implementation Method 2
The drum of the winch is equipped with an electromagnetic locking gripper 20...
Data Source
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AI summary
The fire-protection door has trolleys which are adjustably used in fixed seam-like guides. One of the sections of the blade is connected to a driving side-drive device. The blade has elastic sleeve (2) that is in the form of an uninterrupted strip of fire-resistant material, which is supported on a set of supporting arms (4) connected by joints (5). Each supporting arm and the corresponding portion of the sleeve form a single section (3) of the blade, while the carriers (6) of the blade sections are connected with each second joint of supporting arms.