Casing action and structure of rotary drilling rig
Casing driver, pipe twister or full rotary drilling machine, and vibrating hammer embedded casing rotary drilling bucket follow the pipe in the casing. The casing technology can replace the static pressure technology of mud wall protection, and is applicable to the occluded pile and inclined pile, unstable stratum, outdoor construction resource limitation (no water and electricity), urban environmental protection construction, etc.
Diameter | Length | Casing Wall Thickness | Casing Wall Thickness | Bolt QTY | |||||
D1/D2 | 1m | 2m | 3m | 4m | 5m | 6m | T | B | Bolt |
mm | Weight(KG) Parts No. | mm | mm | Nos | |||||
1300/1200 | 845 | 1475 | 2105 | 2735 | 33656 | 3995 | 20 | 40 | 12 |
1500/1400 | 1310 | 2220 | 3130 | 4040 | 4950 | 5860 | 25 | 50 | 12 |
1800/1700 | 1580 | 2675 | 3770 | 4865 | 5960 | 7055 | 25 | 50 | 16 |
2000/1880 | 2140 | 3355 | 4570 | 5785 | 7000 | 8215 | 25 | 60 | 12 |
2200/2080 | 2350 | 3690 | 5030 | 6370 | 7710 | 9050 | 25 | 60 | 12 |
2500/2380 | 2575 | 4100 | 5625 | 7150 | 8675 | 10200 | 25 | 60 | 16 |
Diameter | Length | Casing Wall Thickness-1 | Casing Wall Thickness-2 | Total Thickness | Bolt QTY | |||||
D1/D2 | 1m | 2m | 3m | 4m | 5m | 6m | A1 | A2 | T2 | Bolt |
mm | Weight(KG) Parts Number | mm | mm | mm | (Nos) | |||||
620/540 | 403 | 739 | 1074 | 1411 | 1747 | 2081 | 12 | 8 | 40 | 8 |
750/670 | 492 | 902 | 1311 | 1722 | 2131 | 2540 | 12 | 8 | 40 | 10 |
880/800 | 585 | 1069 | 1552 | 2036 | 2520 | 3005 | 12 | 8 | 40 | 10 |
1000/920 | 669 | 1221 | 1773 | 2328 | 2877 | 3429 | 12 | 8 | 40 | 10 |
1180/1100 | 844 | 1580 | 2316 | 3052 | 3787 | 4522 | 16 | 8 | 40 | 12 |
1200/1120 | 872 | 1620 | 2370 | 3120 | 3870 | 4620 | 16 | 8 | 40 | 12 |
1300/1220 | 933 | 1746 | 2558 | 3372 | 4184 | 4996 | 16 | 8 | 40 | 12 |
1500/1400 | 1433 | 2628 | 3817 | 5009 | 6210 | 7393 | 20 | 10 | 50 | 12 |
1800/1700 | 1730 | 3166 | 4602 | 6038 | 7474 | 8910 | 20 | 10 | 50 | 16 |
2000/1880 | 2450 | 4280 | 6110 | 7940 | 9770 | 11600 | 20 | 15 | 60 | 12 |
2200/2080 | 2700 | 4720 | 6740 | 8760 | 10780 | 12800 | 20 | 15 | 60 | 12 |
2500/2380 | 2960 | 5240 | 7520 | 9800 | 12080 | 14360 | 20 | 15 | 60 | 16 |
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