FIELD: earth moving machinery. SUBSTANCE: invention relates to vehicles using pipeline as monorail and designed for working out and removing soil from under pipeline lying on bottom of trench. Proposed vehicle contains truck with wheels. Wheels of truck are driven by tie-rods. Some wheels are installed under pipeline with forced penetration into soil in digging out strips. They are made of form of soil working grousers and are provided with power mechanism for moving the latter to and away from each other. EFFECT: reduced expenses, increased reliability in operation. 3 dwg
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Authors
Dates
2003-12-27—Published
2000-06-19—Filed