FIELD: repair and maintenance of railway tracks. SUBSTANCE: this is used for cutting out ballast from under rail-sleeper structure. Device has load-bearing frames secured at both sides of frame of track repair machine. These frames can be displaced in vertical plane across machine and also in height by means of power drives. Mounted on load-bearing frames for possible power turning around horizontal axles are longitudinal beams. These axles are arranged along device. Installed on longitudinal beams for possible power turning around vertical axles are curved blades. EFFECT: high efficiency. 3 dwg
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Authors
Dates
1998-01-27—Published
1996-10-29—Filed