AC Variable Frequency Drive Drawworks
• Likarolo tse ka sehloohong tsa li-drawworks ke AC variable frequency motor, gear reducer, hydraulic disc brake, winch frame, drum shaft assembly le automatic driller joalo-joalo, e nang le bokhoni bo phahameng ba ho fetisetsa lisebelisoa.
• Gear ke oli e tšesaane e tlotsitsoeng.
• Meqomo e entsoe ka moqomo o le mong, 'me moropa o koaletsoe. Ha e bapisoa le litšoantšo tse tšoanang, e na le melemo e mengata, joalo ka sebopeho se bonolo, molumo o monyane le boima bo bobebe.
• Ke AC variable frequency motor drive le stepless speed regulation ka nako eohle, e nang le matla a phahameng le lebelo le pharaletseng le feto-fetohang.
• Brake e kholo e nka brake ea hydraulic disc, 'me brake disc ke metsi kapa moea o pholileng.
• Brake e thusang ke ea motor dynamic braking.
• E na le tsamaiso e ikemetseng ea ho cheka mochine o ikemetseng.
Mekhahlelo ea mantlha ea AC Variable Frequency Drive Drawworks Single Shaft Drawworks:
| Mohlala oa rig | JC40DB | JC50DB | JC70DB | |
| Botebo ba ho cheka ka lebitso, m(ft) | ka Ф114mm(4 1/2”)DP | 2500-4000(8200-13100) | 3500-5000(11500-16400) | 4500-7000(14800-23000) |
| ka Ф127mm(5”) DP | 2000-3200(6600-10500) | 2800-4500(9200-14800) | 4000-6000(13100-19700) | |
| Matla a lekantsoeng, kW (hp) | 735 (1000) | 1100 (1500) | 1470 (2000) | |
| Qty. matla a motlakase × a lekantsoeng, kW (hp) | 2×400(544)/1×800(1088) | 2×600(816) | 2×800(1088) | |
| Lebelo le lekantsoeng la motlakase, r/min | 660 | 660 | 660 | |
| Dia. ea mohala oa ho cheka, mm(in) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
| Max. ho hula ka lebelo, kN (kips) | 275(61.79) | 340(76.40) | 485(108.36) | |
| Boholo ba moropa (D×L), mm (ka) | 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(in) | 1500×76 (59 ×3) | 1600×76 (63×3) | 1520×76 (59 3/4) | |
| Motlakase oa motlakase oa mochini o chekang o iketsang, kW (hp) | 37(50) | 45(60) | 45(60) | |
| Mofuta oa phetiso | Phetiso ea li-gear tsa mekhahlelo e 'meli | Phetiso ea li-gear tsa mekhahlelo e 'meli |
Phetiso ea li-gear tsa mekhahlelo e 'meli | |
| Brake e thusang | Braking e matla | Braking e matla | Braking e matla | |
| Kakaretso ea boholo(L×W×H),mm(in) | 4230×3000×2630 (167×118×104) | 5500×3100×2650 (217×122×104) | 4570×3240×2700 (180×128×106) | |
| 重量Boima, kg(lbs) | 18600(41005) | 22500(49605) | 30000(66140) | |
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