FIELD: materials handling facilities; loading and unloading operations carried out at different levels. SUBSTANCE: crane tower has telescoping hydraulic cylinder coupled with tower and extending platform, supporting-and-extending device, and device to fix tower in horizontal direction. Crane tower is distinguished from known counterparts in that platform and supporting-and-extending device are made in form of cross frames with fitted in extensible support beans with hydraulic cylinders, support beams are furnished with self-aligning fastening heads and fixing device is made in form of angular stop shoes coupled with tower belts. Fastening head is made in form of two coaxial hydraulic cylinders with common sleeve or can be made of two screw jacks. EFFECT: enhanced operation reliability. 4 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SELF-LIFTING TOWER CRANE | 1992 |
|
RU2045464C1 |
| TOWER CRANE AND METHOD OF ITS MOUNTING AND DEMOUNTING | 2001 |
|
RU2225344C2 |
| 0 |
|
SU422679A1 | |
| THREE-DIMENSIONAL MOVABLE FORM | 0 |
|
SU747969A1 |
| HYDRAULIC DRIVE | 1995 |
|
RU2094669C1 |
| SHAFT SINKING COMBINE | 2015 |
|
RU2600807C1 |
| HYDRAULIC ELEVATOR | 0 |
|
SU1744030A1 |
| TELESCOPIC LIFTER | 0 |
|
SU1754641A1 |
| BLOCK-PLACER | 1996 |
|
RU2101508C1 |
| SELF-POWERED CRANE | 1990 |
|
RU2007369C1 |
