FIELD: hoisting equipment. SUBSTANCE: truck has a rigid U-shaped casing with bearing rollers with sides fastened on different levels. The upper roller rests against the shelf of a load-carrying beam, and the lower roller which axle is joined with a clamping screw which, in turn, has a lock, engages with a supporting roller mounted on the horizontal part of the casing. An electric motor with a reduction gear which engages with the axle of the upper bearing roller are fastened to the casing, the roller axle is mounted on bearings. The lower bearing and intermediate rollers are also mounted on the bearings. This assemblage forms a device used as a running truck. A profile with one lower load-carrying shelf, for example, a channel, is used as the load-carrying beam. EFFECT: reduced metal usage and improved service conditions. 1 dwg
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