FIELD: process engineering.
SUBSTANCE: invention relates to railway equipment, particularly, to travelling device for rail head processing. First processing tool (3A) comprises drive and interacts with means to guide it in height and/or sides relative to rail head. Extra processing device is coupled with said first tool (3A) and composed of the structural processing unit (3D, 3E). Portable device (1) to support detachable processing unit (3D, 3E) comprises intake (6). Said processing unit (3D, 3E) stays in contact with said intake (6) with force or geometrical closure and abuts on intake (6) or is fitted therein.
EFFECT: ease of tool replacement.
8 cl, 1 dwg
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