| 摘要 |
FIELD: transport.SUBSTANCE: proposed hoist comprises long section, particularly, expandable ladder or telescopic boom directed along, in fact, one axis, and platform or whatever other support to mount hoisting cage thereon. Said section is mounted on bed 12. Note here that spacer is arranged between section 14 and bed 12. Note that section is mounted at said spacer for hinged rotation about second axis A2 to compensate for irregularities in section position. Note also that said spacer is arranged at bed 12 for hinged turn relative to third axis A3 to lift unsecured end of section 14 relative to bed 12. Two drive cylinders 22A, 22B are hinged to said bed to lift and down said section. Every said cylinder is controlled by controller to allow simultaneous correction of position irregularities in section lifting by control over said drive cylinders. Transport facility comprises abode described hoist.EFFECT: compensation for surface irregularities.16 cl, 6 dwg |
