AC Variable Frequency Drive Drawworks
• Cov khoom tseem ceeb ntawm kev kos duab yog AC hloov pauv zaus lub cev muaj zog, iav reducer, hydraulic disc nres, winch ncej, nruas ncej sib dhos thiab tsis siv neeg driller thiab lwm yam, nrog cov iav kis tau zoo.
• Cov iav yog nyias roj lubricated.
• Drawwork yog ib lub nruas ncej thiab lub nruas yog grooved. Piv nrog cov duab kos zoo sib xws, nws muaj ntau yam zoo, xws li cov qauv yooj yim, ntim me me, thiab lub teeb yuag.
• Nws yog AC lub cev muaj zog sib txawv ntawm lub cev muaj zog thiab kev tswj tsis tau nrawm nyob rau hauv tag nrho cov chav kawm, nrog lub zog siab thiab dav ceev adjustable ntau yam.
• Lub ntsiab nres siv hydraulic disc nres, thiab lub nres nres yog dej los yog cua txias.
• Lub nres nres yog ntawm lub cev muaj zog dynamic braking.
• Nruab nrog lub cev muaj zog tsis siv neeg drilling tshuab.
Basic Parameters of AC Variable Frequency Drive Single Shaft Drawworks:
| Model ntawm rig | JC40 IB | JC50 IB | JC70 IB | |
| Nominal drilling qhov tob, m (ft) | nrog Ф114mm (4 1/2 ") DP | 2500-4000 (8200-13100) | 3500-5000 (11500-16400) | 4500-7000 (14800-23000) |
| nrog Ф127mm (5 ") DP | 2000-3200 (6600-10500) | 2800-4500 (9200-14800) Cov. | 4000-6000 (13100-19700) | |
| Rated zog, kW (hp) | 735 (1000 hli) | 1100 (1500) | Xyoo 1470 (2000) | |
| Qty. Lub cev muaj zog × ntsuas lub zog, kW (hp) | 2 × 400 (544) / 1 × 800 (1088) | 2 × 600 (816) hli | 2 × 800 (1088) | |
| Rated ceev ntawm lub cev muaj zog, r / min | 660 | 660 | 660 | |
| Dia. ntawm txoj kab drilling, mm (hauv) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
| Max. ceev kab rub, kN (kips) | 275 (61.79) hnub | 340 (76.40) ib. | 485 (108.36) | |
| Main nruas loj (D × L), mm (hauv) | 640 × 1139 (25 1/4 × 44 7/8) | 685 × 1138 (27 × 44 7/8) | 770 × 1439 (30 × 53 1/2) | |
| Nres disc loj (D × W), mm (hauv) | 1500 × 76 hli (59 × 3) | 1600 × 76 hli (63 × 3) | 1520 × 76 hli (59 3/4) | |
| Lub cev muaj zog ntawm tsis siv neeg driller, Hwj chim (kW) | 37(50) | 45 (60) | 45 (60) | |
| Hom kis tau tus mob | Ob-theem iav kis tau tus mob | Ob-theem iav kis tau tus mob |
Ob-theem iav kis tau tus mob | |
| Pab nres | Dynamic braking | Dynamic braking | Dynamic braking | |
| Zuag qhia tag nrho qhov ntev (L × W × H), hli (hauv) | 4230 × 3000 × 2630 hli 167 × 118 × 104 hli | 5500 × 3100 × 2650 217 × 122 × 104 hli | 4570 × 3240 × 2700 hli 180 × 128 × 106 hli | |
| 重量Qhov hnyav, kg (lbs) | 18600 (41005) | 22500 (49605) | 30000 (66140) | |
Cov khoom lag luam ntsig txog
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