What you didn't know about ropeways

Summary

In this captivating video, Sandra takes viewers on an exclusive behind-the-scenes tour of the Gondelbahn Flaschen, an intricate Swiss ropeway system. With rare access granted by the operations manager, viewers explore the mechanical marvels of the gondola system, including its power-driven motor, hydraulic brakes, and unique transfer mechanism between two ropeway sections. Sandra explains the technical details, the safety measures, and the inner workings of the ropeway, offering a fascinating look at its operation and maintenance. The video combines engaging visuals with expert insight, offering a deep dive into the fascinating world of ropeway engineering.

Takeaways

• 😀 The Gondelbahn Flaschen ropeway is an older system in the Swiss Alps, featuring a complex mechanical setup with numerous moving parts.
• 😀 The system operates with two independent ropeways that connect through a middle station, functioning as one synchronized system under normal conditions.
• 😀 The gondolas detach from the rope when entering the station, allowing for smooth entry and exit of passengers, with bikes and sledges also being handled during this phase.
• 😀 The ropeway motor is powered by a 400-volt DC motor, which is relatively old technology compared to modern AC motors, but it remains efficient.
• 😀 A single motor powers almost all the mechanical components, with additional transmission systems, hydraulic brakes, and a centrifugal switch for safety in case of failures.
• 😀 During emergencies or power outages, a diesel motor can take over to operate the hydraulic pump and allow the ropeway to be unloaded safely.
• 😀 The gondola system is highly sophisticated, with a unique clocking system that ensures proper spacing between gondolas by adjusting the speed of belts.
• 😀 The safety of passengers is a top priority, with various sensors and emergency stops in place to prevent accidents, such as doors getting stuck or gondolas malfunctioning.
• 😀 The gondola doors are carefully designed with springs to prevent injury if a passenger gets trapped, and sensors trigger emergency stops if doors are improperly closed.
• 😀 Maintenance of the ropeway is a year-round process, involving disassembly and inspection of gondolas for micro cracks, which are checked with advanced technology like x-rays.
• 😀 The ropeway is a marvel of engineering, with its massive components and synchronized systems working seamlessly to transport passengers through challenging alpine terrain.

Q & A

What is a gondola ropeway, and how does it function?

A gondola ropeway is a system that transports passengers in small cabins (gondolas) suspended on a rope. The gondolas are attached and detached from the rope at stations, where they move slowly for passengers to board or exit. Afterward, the gondola is accelerated to match the rope speed and continues its journey.

Why is the 'Gondelbahn Flaschen' particularly interesting?

'Gondelbahn Flaschen' is an older model of ropeway with a complex system of moving parts, including rotating, shifting, and humming components. Its intricate mechanical operations are impressive, as the system is driven by a single motor and operates with numerous interconnected elements that form a mechanical symphony.

What makes the 'Gondelbahn Flaschen' different from newer ropeways?

The 'Gondelbahn Flaschen' operates with older technology, including a DC motor, capacitors, and thyristors. Modern ropeways, however, run directly on AC motors and use more advanced systems, making 'Flaschen' a rare example of a traditional design.

What happens when there is a technical fault or storm on the ropeway?

In case of a technical fault or storm, the ropeway can switch to operate as two independent sections. This is done by flipping a switch, which disconnects the two parts of the system. This allows one section to continue operating while the other remains stationary.

How does the power system of the 'Gondelbahn Flaschen' work?

The power system uses a 3-phase 400-volt electrical supply, which passes through filters and capacitors to protect the grid. The motor uses DC current, and despite its massive size, it's a standard DC motor that also functions as a brake and generator. The system recovers energy when more passengers are descending than ascending.

What role does the hydraulic system play in the ropeway?

The hydraulic system in the ropeway controls the primary and emergency brakes. The pressure from the hydraulic unit keeps the brakes open during normal operations, and if the system fails, springs automatically close the brakes. The system also provides emergency propulsion in case of power failure.

How does the ropeway prevent accidents if the ropeway's speed becomes too fast?

The ropeway has a centrifugal switch that triggers if the wheel spins too fast. If the forces exceed the switch's rating, the switch opens the hydraulic system, causing the emergency brakes to close, effectively stopping the ropeway and preventing potential disasters.

How does the system deal with a power outage?

In case of a power outage, a diesel motor powers the hydraulic pump, which is connected to the ropeway's emergency propulsion system. This allows the ropeway to unload the gondolas safely until the power is restored.

What safety measures are in place for passengers on the gondolas?

There are various safety measures, such as sensors that trigger emergency stops if the gondola doors do not close or lock properly. A red stick is used to ensure the doors are closed, and the system will stop the ropeway if the doors are not properly sealed. This prevents any potential danger to passengers.

How does the ropeway handle the synchronization of both sections?

The synchronization of the two sections is managed by a control panel that adjusts the speed of each section based on wind speed and other conditions. Communication between the sections happens through a phone line and a switch line, ensuring that both sections remain coordinated and safe.