Podboyka is a detail or an assembly unit of the padded block of uprighting and padding and straightening machines, providing feeding and compaction of ballast under a sleeper in the zone of rail threads by the method of dynamic impact and consisting of a blade, a rod and a cone.
The chock is designed for ballast compaction under sleepers during construction, reconstruction, major and medium repairs, as well as current track maintenance. It can be used for piling wooden and reinforced concrete sleepers on different ballast.
The declared resource is up to 550 km of the padded track.
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