Expandable Platform Edge Barrier for Track Fall Prevention
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Solution Overview
Problem
Existing platform safety measures fail to effectively prevent individuals from falling onto train tracks, especially in situations where trains are passing at high speed, and do not minimize disruption to normal rail operations.
Innovation Solution
An expandable element, such as an air bladder, is integrated into the platform edge that remains compact until activated, expanding to form a barrier when needed, using a gas generator to inflate it rapidly, and is triggered by detection systems to prevent falls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a traditional restraint system with multiple separate components is used, then the restraint function is provided, but the device complexity increases and setup time is extended
Solution Approach 1:
The patent combines multiple separate restraint components into a single integrated platform restraint device. The device integrates the restraint bar, positioning mechanisms, and securing features into one unified structure that can be installed and adjusted as a single unit, thereby reducing device complexity while maintaining the restraint function.
Solution Approach 2:
The platform restraint device is designed with universal features that allow it to perform multiple functions: providing restraint, positioning equipment, and adapting to different platform configurations. The adjustable restraint bar and universal mounting capabilities enable the single device to replace multiple specialized components.
2Reliability
If a traditional restraint system with multiple separate components is used, then the restraint function is provided, but the installation and adjustment time increases
Solution Approach 1:
The restraint device is pre-assembled with all necessary components integrated before installation. The restraint bar, positioning mechanisms, and securing features are prepared in advance as a single unit, eliminating the need for on-site assembly of multiple separate components and reducing installation time.
Solution Approach 2:
The device incorporates adjustable and movable features that allow for quick adaptation to different platform conditions. The restraint bar can be easily repositioned and the mounting mechanism can be quickly adjusted, enabling rapid installation and modification without time-consuming manual assembly.
3Adaptability or versatility
If existing restraint devices are adapted to uneven surfaces, then compatibility is improved, but additional components and complexity are required
Solution Approach 1:
The mounting mechanism incorporates local adaptation features at specific contact points with the platform surface. The mounting brackets and securing features are designed with adjustable geometry that can accommodate uneven surfaces at each mounting location, providing surface compatibility without requiring additional components throughout the entire device.
Data Source
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AI summary
The aim of the invention is to provide a platform restraining device (5) for arranging on a platform (1) in order to prevent an object or a subject from falling onto a track region of the platform (1), said restraining device allowing persons as well as objects to be better protected against accidentally entering the track region of a platform. This is achieved in that at least one expandable element (15) is proposed which can be arranged in the region of a platform edge in a base position with a first volume and which can be arranged in front of or over a track bed of the platform (1) in an expanded state in a use position with an increased volume compared to the first volume.