Ballast tamper

A tamping machine is a special rail vehicle for Tamping. In addition to the self-propelled tamping machines and small, manually scheduled hand filling devices exist.

Operation

In machine plug four steel tamping tines are vibrantly dipped down into the gravel bed at slightly raised track each rail-tie support point. The pimples swing it with 35 Hz frequency horizontal and build small effective areas at the end and compress the gravel pack below this threshold, while the pimples are pulled vibrant slowly. Tamping machines stuff since 1965 at the same time two, nowadays usually three, since 2005 four thresholds. Basic patents for the Asynchronous pressure vibration tamping were issued in 1953.

Modern tamping machines can process up to 2300 meters of track per hour. These machines are continuously moving at slow speed on the track, while the stand on a slide under the main frame of the vehicle hanging over the tamping units as close to your threshold until the stuffing process terminated. After the carriage moves quickly to the next threshold group.

One of the few manufacturers of track tamping machines include the company Plasser & Theurer of Austria and Matisa from Switzerland.

History

1916 sets the Prussian State Railways a first hand filling device. The compressed air-driven pusher are provided by a mobile electric compressor in which a plurality of devices could be connected. The current was obtained from a gasoline-powered generator are likewise mobile.

1938, the first self-propelled tamping machine of the company Scheuchzer in Renens was presented at Lausanne in the Swiss Bauzeitung.

Plasser & Theurer 1953 developed the first hydraulic tamping machine.