| 摘要 |
A device for drawing out heavy loads including at least one drawing-out rail having a I-shaped cross-section and a vertical central plane of symmetry, running rollers provided on opposite sides of the drawing-out rail, and a pair of stationary rails or a pair of rails at least partially displaceable in a longitudinal direction, the rails of the pair of rails being arranged on opposite sides of the drawing-out rail for supporting the running rollers, with flanges of the rails forming tracks for the running rollers, and with the stationary rails, the drawing-out rail, and the partially displaceable rails being all formed of rolled steel sections.
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