FIELD: hydraulic engineering structures. SUBSTANCE: mast-support for oil drill rigs and pile bases has vertical reinforced concrete core 1 resting by its lower end on sea bottom, and platform 11 rigidly connected with upper end of core 1. Mast-support is provided with six struts 6 pivotally joined with core 1, and lower ends 7 of struts 6 are made pointed and have stops 9 with catching shoes 10. Lower end 2 of core 1 of mast-support is also made pointed and provided with circular catching shoe 3, and body of core 1 and of struts 6 are made in the form of two cones connected together be their bases. EFFECT: high efficiency. 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PREFABRICATED DETACHABLE MAST | 0 |
|
SU885514A1 |
| AMELIORATION SYSTEM FOR CONVERTING DESERT INTO PLANTATIONS | 1994 |
|
RU2080434C1 |
| TRAVELLING RADIAL-CIRCULAR CRANE | 1992 |
|
RU2006448C1 |
| PREFABRICATED DETACHABLE MAST | 0 |
|
SU885513A1 |
| UNIVERSAL MOTOR AND TRACTOR TRAILER | 1992 |
|
RU2024415C1 |
| CATAPULT | 1992 |
|
RU2077456C1 |
| AMELIORATION FACILITIES OF DESERT VALLEYS | 1994 |
|
RU2072769C1 |
| HANGING COVER | 1991 |
|
RU2026937C1 |
| LINKAGE FOR PROPORTIONING LENGTHS ACCORDING TO GEOMETRIC PROGRESSION | 1991 |
|
RU2005630C1 |
| TOWER | 0 |
|
SU947369A1 |
