Cableway Car Guide Rail Stabilization for Station Boarding
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Solution Overview
Problem
Cableway vehicles experience pendulum movements during loading and unloading, leading to discomfort and safety issues due to relative movements between the vehicle and the platform, especially in cable cars or gondolas, which can result in accidents and difficulty in handling objects.
Innovation Solution
Implementing vehicle-fixed contact rails and stationary guiding devices in the cableway stations that generate a guiding force to shift the conveying body into a guidance position, utilizing the spring-loaded suspension to stabilize the vehicle in both transverse and longitudinal directions, with ceiling and floor guide rails to minimize pendulum movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cableway vehicle is allowed to move freely on the spring-loaded suspension, then the comfort for persons during transport is improved, but the vehicle experiences pendulum movements in the cableway station that cause safety issues and discomfort during boarding and disembarking
Solution Approach 1:
The patent divides the suspension system into two functional segments: the spring-loaded suspension elements that provide comfort during transport, and the separate guiding devices (ceiling guide rail and floor guide rail) that provide stabilization during boarding and disembarking. This segmentation allows each system to perform its specific function without interfering with the other.
Solution Approach 2:
The patent implements a dynamic stabilization system where the guiding devices are only active when needed (in the boarding and disembarking regions) and can be selectively engaged or disengaged. The cableway vehicle can freely move on the suspension during transport, but enters a guided mode when approaching the station platforms, allowing transition between different operational states.
2Reliability
If blocking apparatus is used to fix the cableway vehicle in position, then safety during boarding is improved, but the structural design becomes very complex and the blocking can only be achieved when the vehicle is at standstill
Solution Approach 1:
The patent introduces guide rails (ceiling guide rail and floor guide rail) as intermediary elements that mediate between the cableway vehicle and the station structure. These guide rails provide the necessary guiding and stabilizing forces without requiring complex blocking mechanisms, simplifying the overall system while maintaining safety.
Solution Approach 2:
The patent replaces complex mechanical blocking apparatus with a simpler guiding system based on rail contact. Instead of using motors and sliders to actively block the vehicle, the system uses passive guide rails that naturally guide the vehicle into the correct position through contact forces, reducing mechanical complexity.
3Ease of operation
If the distance between floor guide rails is greater than the width of the cableway vehicle, then the vehicle can move freely, but the vehicle swings in the transverse direction and hits the guide rails causing lack of safety sensation
Solution Approach 1:
The patent creates an asymmetric arrangement where the ceiling guide rail and floor guide rail are positioned at different transverse locations relative to the vehicle. This asymmetric positioning allows the vehicle to maintain freedom of movement while the rails work together to prevent excessive swinging and provide stabilizing contact forces.
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 effectively reduces lateral and vertical pendulum movements, enhancing passenger safety and comfort during boarding and disembarking by stabilizing the cableway vehicle, thereby minimizing the risk of accidents and improving the handling of objects.
Implementation Method 1
the conveying body being suspended in a spring-loaded manner on the suspension
Data Source
AI summary
A cableway in the case of which the safety and comfort for persons during the loading and unloading of the cableway vehicles can be improved as simply and economically as possible. This aim is achieved, according to the teaching, in that at least one vehicle-fixed contact rail which extends in the direction of movement of the cableway vehicle is arranged on the conveying body, and in that at least one guiding portion having at least one stationary first guiding device which extends in the direction of movement of the cableway vehicle is provided in at least one cableway station, the first guiding device cooperating with the contact rail of the cableway vehicle, at least during the movement of the cableway vehicle through the guiding portion, in order to generate a guiding force, the guiding force shifting the conveying body relative to the suspension from a rest position, in which the cableway vehicle can be moved outside of the guiding portion, into a guidance position, in which the cableway vehicle can be moved through the guiding portion.