An operator’s success derives from the organization and shunting of the shipped freight volumes. Railway operators develop their activity in ports, terminals or stations which collect and deliver freight requiring a serious organization and implementation of the logistics process. Shunting operations should be dealt with in time, with increased reliability and safety and using few but efficient resources.
Shunting systems are specially designed to move wagons on loading and unloading stations. The shunting systems are designed using the latest technology and in compliance with the specific customers’ requirements. Only one press of the button puts the train in motion, or stops it. The wagons can be shunted in both directions and with great precision. The installation can be controlled from the loading location and the control system can entirely be integrated into the loading or unloading process.
The shunting system is directed from a station which consists in a gearing-down device motor and a power motor, as well as a braking system.
Two cable pre-stretching devices, one of which electrically adjustable, provide the pre-tensioning of the steel cable, absorb the changing cable tensions and the sustaining cable stretching and protect the drive unit from impact forces. All different components are protected by plate covers. The electric installation is placed in a lockable control cabinet, which can be located inside our outside. The shunting section is secured by limit switches.
The coupling system connects the wagon shunting system and there are several methods to do that depending on weight.
If placing the wagons requires greater precision and the freight volume is of 500-1,200 tonnes, the lateral pickup trolley is recommended. This wagon runs on a profile guidance beside the track. With the adjustable draw bar the shunting system can simply and manually be coupled to the wagon. The guidance can be installed into the so-called paved-in track. With this system the pickup trolley can pass the wagons and switches, and also the wagons can pass the system with shunting speeds of 0.4m/s for shunting lengths of 500 m.
For a maximum load of 4,000 tonnes, a buffer truck is coupled to the central towing hook of the wagon. With this application the buffer truck can be coupled up and off automatically. The buffer truck moves on the same track as the wagons. With this system the buffer truck cannot pass the wagons, but it can pass the switches. This system can also be equipped with a so-called Lateral Exit Mechanism (LEM). By means of the LEM, the buffer truck leaves the track cross-wise, which means that also here a ‘continuing track’ is created. The speed is 0.4m/s (with load) and 0.8 m/s (without load) for shunting lengths of 500 m.Wagon shunting systems are developed using modern technologies and are reliable and efficient. Many shunting systems are equipped with double voltage traction equipments and automated re-tensioning that contributes to an uninterrupted operation. These shunting systems require little maintenance, are energy and cost saving, efficient and safe.
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