FIELD: transportation.
SUBSTANCE: at the level of upper chords it is implemented forked-finger joint by means of yoke and dowel and link pin, containing rest facility and relational stationing. At the level of upper chords there are implemented centering feathers and interlocking unit, containing two joints spaced from each other for specified distance and containing clamping and interlocking facilities. This device is used for crane arm components mounting and gib arm of tower cranes, particularly cranes with arm without head and without brace.
EFFECT: mounting of tower crane arm components become easier; decreasing of labour content for mounting and reduction of required quantity of instruments for mounting.
19 cl, 6 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SELF-ERECTING TOWER CRANE | 0 |
|
SU979265A2 |
| METHOD OF AND DEVICE FOR MOUNTING TOWER CRANE BOOM | 1994 |
|
RU2145934C1 |
| TOWER CRANE AND METHOD OF ITS MOUNTING AND DEMOUNTING | 2001 |
|
RU2225344C2 |
| METHOD FOR TOWER CRANE EXTENSION | 2019 |
|
RU2712489C1 |
| 0 |
|
SU289716A1 | |
| 0 |
|
SU436014A1 | |
| TOWER CRANE BOOM | 2000 |
|
RU2225830C2 |
| AUTOMATICALLY MOUNTABLE TOWER LIFTING CRANE WITH BOOM SIDEWISE FOLDED FOR TRANSPORTATION | 1998 |
|
RU2189936C2 |
| TOWER CRANE AND METHOD OF ITS MOUNTING | 2001 |
|
RU2225345C2 |
| METHOD OF MOUNTING TOWER CRANE WITH UPPER PART FOLDABLE IN TRAVELING POSITION | 2005 |
|
RU2299173C1 |
