FIELD: earth-moving machinery. SUBSTANCE: one of sheaves of suspension pulley block fixed casing is connected with additional pulley block whose wire rope is connected with boom lifting winch. Casings of additional pulley block can be interconnected by shackles. EFFECT: increased service life of suspension wire rope, reduced labour consumption in maintenance and repair. 2 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SINGLE-BUCKET EXCAVATOR WORKING EQUIPMENT | 0 |
|
SU608885A2 |
| TOWER CRANE | 2003 |
|
RU2254285C2 |
| 0 |
|
SU219450A1 | |
| LOAD-LIFTING CRANE | 1993 |
|
RU2063375C1 |
| 0 |
|
SU239130A1 | |
| 0 |
|
SU424803A1 | |
| TOWER CRANE AND METHOD FOR ITS ASSEMBLY | 2008 |
|
RU2371374C1 |
| 0 |
|
SU430041A1 | |
| WORKING EQUIPMENT OF DRAGLINE | 0 |
|
SU1082905A1 |
