Railway Track Laying Machine renewing a high-speed railway line


A work train called a “track renewal train” is made up of numerous pieces of equipment and supplies needed for track maintenance projects. A track renewal train is used to automate most of the necessary activities in order to reduce the amount of track time required during a track renewal project. Work needs to be done in advance of the track renewal train’s arrival. The old rail may occasionally need to be divided into smaller pieces and connected with fishplates.

Before it arrives, the rail fastening system might need to be removed. Typically, the new rails must be ready before the track renewal train arrives. Deliveries of rails are made at the track’s center. These rail fragments are joined together by track workers to create continuous welded rail, which is then placed in the exact location where the track renewal train will pick it up when it arrives.

A track rejuvenation train is made up of a number of separate pieces of machinery. The track renewal process will be carried out stage by stage till it is finished as the track renewal train departs the area.

Old sleeper removal
The old sleepers are removed as part of the track renewal process. This procedure might include unfastening the rail fastening system from the sleepers. To allow operators to ᴍᴀɴually position the device to each clip and trigger it to automatically remove spikes in the older kind of hardwood sleepers, some machines combine the semi-automatic slip-releasing devices by hoisting devices as part of the track renewal train. Old rails will be pulled up and shoved toward the edges of the train after being freed from the sleepers. In order to be installed, the new rails are also fed in ᴄʟᴏsᴇ to the sides of the train.

The old sleepers are extracted from the ballast using a device on the track renewal train. These used sleepers are delivered to the conveyors, which then transport them outside to be stored behind the train. In order to place new concrete sleepers, the ballast bed is subsequently removed. The process of excavating ballast will be carried out in the event that the ballast bed needs to be lowered. In some models, this procedure is incorporated into the track renewal train. In that situation, extra ballast will be removed via the conveyor belt ballast storage area. To be reused, the spent ballast materials will be screened and cleaned. Unused ballast will be maintained in a separate storage area before being thrown out.

New sleeper laying
The track renewal train’s top is equipped with gantry cranes. Along the train’s Uɴɪqᴜᴇ side rails, these cranes move. Operators can move throughout the full length of the train thanks to the special rails that connect the vehicles. The crane is used to move new sleepers into the working area and move old sleepers into storage. The cranes bring the fresh sleepers to the machine to be fed. The device places sleepers onto the ballast bed and evenly spaces them according to the specification.

Ballast handling
The ballast will be reinstalled on the track after the track renewal train has finished its work. The extra ballast that has been pushed out during the track renewal operation is taken by a shoulder ballast cutting machine for track renewal trains that do not use one and fed into a screening and cleaning machine. Together with the new ballast materials, the reusable ballast will be reinstalled on the new track. A ballast tamper will be utilized to make any last changes necessary to bring track renewal trains that do not include track ᴄᴏᴘying or leveling into compliance with the required specifications. The final shape of the ballast will then be created using a ballast regulator.

Let’s see Railway Track Laying Machine renewing a high-speed railway line in the ᴀᴡᴇsome video below.

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