Hinged Railway Barrier for Snow and Sand Protection
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Solution Overview
Problem
Existing railway heating systems for defrosting rails fail to accurately detect weather conditions, leading to inadequate protection against high winds and snow, and traditional solid barriers obstruct maintenance and inspection while being inefficient and labor-intensive to remove.
Innovation Solution
A wind, snow, and sand protecting device with a base part and barrier holder interconnected via a hinged joint, allowing for easy mounting, demounting, and adjustment along the rail, and featuring a flexible barrier that can be pivoted away for access, reducing snow and sand accumulation without the need for special tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If solid barriers (tarpaulins or plywood boards) are placed alongside heating points to provide shielding, then heat loss is reduced and shielding function is improved, but the barriers must be placed at a distance from the rail to avoid direct contact with trains, thereby limiting their shielding function and requiring time-consuming removal for inspection
Solution Approach 1:
The barrier is made movable through a hinge connection to the base part, allowing it to be pivoted between an operating position (close to the rail for effective shielding) and an inspection position (away from the rail for access). This dynamic positioning resolves the contradiction by enabling the barrier to provide full shielding when needed while allowing easy access to the rail when inspection is required.
Solution Approach 2:
The barrier system is divided into separate components: a base part that remains fixed near the rail and a barrier part that can be independently positioned. This segmentation allows the base part to maintain proximity to the rail for effective shielding while the barrier part can be moved away during inspection, eliminating the need to remove entire solid barriers.
2Reliability
If tarpaulins and boards are used as solid barriers, then shielding is provided, but they impede repair work on the track and require labor-intensive removal for maintenance
Solution Approach 1:
The hinge-connected barrier can be dynamically repositioned to an inspection position that is clear of the track, allowing repair work to proceed without obstruction. The barrier can be quickly swung away and then returned to its operating position when repair is complete, eliminating the labor-intensive removal and reinstallation of solid barriers.
3Reliability
If the heating system operates continuously to protect against snow and ice, then rail protection is maintained, but energy consumption increases and the system fails in high wind and driven snow conditions
Solution Approach 1:
The barrier provides preliminary protection by physically blocking snow and wind before they can contact the rail, preventing the need for continuous heating operation. The barrier acts as a first line of defense that reduces the heating system's workload and energy consumption while maintaining effective rail protection.
Solution Approach 2:
The solution combines mechanical protection (the barrier physically blocking snow and wind) with thermal protection (the heating system). This merged approach allows the heating system to operate at lower power levels since the barrier pre-filters the environmental threats, reducing overall energy consumption while maintaining reliable rail protection.
4Reliability
If barriers are placed close to the rail for effective shielding, then protection function is improved, but they pose safety risk to trains and require removal for maintenance
Solution Approach 1:
The hinge connection enables the barrier to be dynamically positioned close to the rail during normal operation for effective protection, then swung away to a safe position when trains are approaching or during maintenance. This dynamic positioning allows the system to achieve both close-proximity protection and safety/maintenance access.
Data Source
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AI summary
A wind, snow and sand protecting device (1) for railways, comprising a base part (2a, 2b) arranged to be releasably fixed adjacent to at least one side of a track rail (3) or directly to the track rail, and a barrier holder (14), to which a barrier (15) is mountable, wherein said base part (2a, 2b) and said barrier holder (14) are interconnectable by means of a hinged joint (19) such that the barrier holder (14) is pivotable relative the base part (2a, 2b). The hinged joint (19) further comprises a male connector (16) integrated with one of the base part (2a, 2b) and the barrier holder (14) and a female connector (9) integrated with the other of the base part (2a, 2b) and the barrier holder (14).