Podboyka is a detail or an assembly unit of the piling unit of dressing and piling straightening machines, providing feeding and compaction of ballast under the sleeper in the zone of rail threads by the method of dynamic impact and consisting of a blade, rod and 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.
Declared resource up to 220 units of switches.
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