FIELD: mechanical engineering; tower cranes.
SUBSTANCE: proposed truck has frame with wheels to move along rail track and caliper grips of rails which are installed in front and rear parts of frame, and pivot for eye of tower crane support frame. Pair of supports is attached to truck frame at front or rear on one of ends of truck frame. Each support is tilted from longitudinal axis of frame in cross plane and is arranged on side of frame. Support is made motionless, being rigidly attached to part of frame in which extensible part of support is arranged. Device to fix extensible part in positions differing in height relative to fixed part of support is arranged between fixed and extensible parts. Lower part of each extensible part of support is provided with device to change height of extensible part, said device being arranged under extensible part fixing device. Caliper grip is arranged between supports in cross plane of truck.
EFFECT: reduced labor input when mounting tower cranes.
5 cl, 5 dwg
| Title | Year | Author | Number |
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