FIELD: transport engineering. SUBSTANCE: invention can be used at construction and repair of mains. Proposed vehicle is made in form of truck with driven wheels carrying cantilever beams in form of double-arm pipeline gripping levers hinge-connected to beam in middle part. Pressure wheels are connected to lower arms of levers. Upper arms are coupled to each other by means of power device providing pressing of pressure wheels. Said pressing device is made in form of rod framework in form of rhombus. Rods in corners of framework are hinge-connected, and hinge joints located along line of smaller diagonal of rhombus are connected by screw mechanism furnished with drive. Use of proposed vehicle featuring simplified design provides heavy traction at improved stability on pipeline. Device can be installed and removed from pipeline without disassembling and assembling. EFFECT: enlarged operating capability, improved reliability. 2 dwg
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Authors
Dates
2003-06-27—Published
2000-03-27—Filed