AC Variable Frequency Drive Drawworks
• Zvikamu zvikuru zvekudhirowa ndeye AC variable frequency mota, gear reducer, hydraulic disc brake, winch frame, drum shaft assembly uye automatic driller etc, ine high gear transmission performance.
• Iyo giya ioiri yakaonda yakazorwa.
• Dhirowa ndeyekurongeka kwedhiramu shaft uye dhiramu rakaiswa mumitsetse. Kuenzaniswa nemadhirowa akafanana, ndeyezvakawanda zvakanaka, senge chimiro chakareruka, vhoriyamu diki, uye huremu huremu.
• Ndiyo AC siyana frequency mota chidhiraivho uye stepless kumhanya murau mukosi yose, ine simba guru uye yakafara kumhanya chinjika siyana.
• Iyo huru bhureki inotora hydraulic disc brake, uye bhureki disc imvura kana mweya wakatonhodzwa.
• Mabhureki ekubatsira ndeemotor dynamic braking.
• Akashongedzerwa yakazvimirira injini otomatiki chibooreso hurongwa.
Basic Parameters ye AC Variable Frequency Drive Single Shaft Drawworks:
| Model of rig | JC40DB | JC50DB | JC70DB | |
| Nominal kuchera kudzika, m(ft) | ine Ф114mm(4 1/2”)DP | 2500-4000(8200-13100) | 3500-5000(11500-16400) | 4500-7000(14800-23000) |
| ne Ф127mm(5”) DP | 2000-3200(6600-10500) | 2800-4500(9200-14800) | 4000-6000(13100-19700) | |
| Yakayerwa simba, kW (hp) | 735 (1000) | 1100 (1500) | 1470 (2000) | |
| Qty. yemotor × yakayerwa simba, kW (hp) | 2×400(544)/1×800(1088) | 2×600(816) | 2×800(1088) | |
| Yakatemerwa kumhanya kwemota, r/min | 660 | 660 | 660 | |
| Dia. yemutsetse wekuchera, mm(mu) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
| Max. kukurumidza mutsara kudhonza, kN (kips) | 275(61.79) | 340(76.40) | 485(108.36) | |
| Saizi huru yengoma (D×L), mm (mu) | 640×1139(25 1/4×44 7/8 ) | 685×1138(27 ×44 7/8 ) | 770×1439(30 ×53 1/2) | |
| Brake disc size (D×W), mm (mu) | 1500×76 (59 ×3) | 1600×76 (63×3) | 1520×76 (59 3/4) | |
| Motokari simba re otomatiki chidhiraivha, kW (hp) | 37(50) | 45(60) | 45(60) | |
| Transmission type | Kaviri-nhanho giya kutapurirana | Kaviri-nhanho giya kutapurirana |
Kaviri-nhanho giya kutapurirana | |
| Auxiliary brake | Dynamic braking | Dynamic braking | Dynamic braking | |
| Yese dimension(L×W×H),mm(mu) | 4230×3000×2630 (167×118×104) | 5500×3100×2650 (217×122×104) | 4570×3240×2700 (180×128×106) | |
| 重量Huremu, kg(lbs) | 18600(41005) | 22500(49605) | 30000(66140) | |
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