AC Variable Frequency Drive Drawworks
• Zigawo zazikulu za zojambulazo ndi AC variable frequency motor, gear reducer, hydraulic disc brake, winch frame, drum shaft assembly ndi automatic driller etc, ndi mphamvu yotumizira ma gear.
• giya ndi woonda mafuta mafuta.
• Zojambulazo zimakhala za ng'oma imodzi yokha ndipo ng'omayo ndi yopindika. Poyerekeza ndi zojambula zofananira, ili ndi zabwino zambiri, monga mawonekedwe osavuta, voliyumu yaying'ono, ndi kulemera kopepuka.
• Ndi AC variable pafupipafupi galimoto pagalimoto ndi stepless liwiro lamulo mu njira yonse, ndi mphamvu mkulu ndi lonse liwiro chosinthika osiyanasiyana.
• Brake yayikulu imatengera ma hydraulic disc brake, ndipo brake disc ndi madzi kapena mpweya utakhazikika.
• Mabuleki othandizira ndi a motor dynamic braking.
• Okonzeka ndi makina odziyimira pawokha pobowola injini.
Zoyambira Zoyambira za AC Variable Frequency Drive Single Shaft Drawworks:
| Model ya rig | Chithunzi cha JC40DB | Chithunzi cha JC50DB | Chithunzi cha JC70DB | |
| Kubowola mwadzina, m(ft) | ndi Ф114mm(4 1/2”)DP | 2500-4000(8200-13100) | 3500-5000(11500-16400) | 4500-7000(14800-23000) |
| ndi Ф127mm(5”) DP | 2000-3200(6600-10500) | 2800-4500(9200-14800) | 4000-6000(13100-19700) | |
| Mphamvu yovotera, kW (hp) | 735 (1000) | 1100 (1500) | 1470 (2000) | |
| Qty. ma motors × ovotera mphamvu, kW (hp) | 2×400(544)/1×800(1088) | 2×600(816) | 2×800(1088) | |
| Kuthamanga kwa injini, r/min | 660 | 660 | 660 | |
| Dia. wa mzere kubowola, mm(mu) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
| Max. kukoka mzere wothamanga, kN (kips) | 275 (61.79) | 340 (76.40) | 485 (108.36) | |
| Kukula kwa ng'oma (D×L), mm (mu) | 640×1139(25 1/4×44 7/8) | 685×1138(27 ×44 7/8) | 770×1439(30 ×53 1/2) | |
| Kukula kwa Brake disc (D×W), mm (mu) | 1500×76 (59 × 3) | 1600×76 (63×3) | 1520×76 (59 3/4) | |
| Mphamvu yamagalimoto ya automatic driller, kW (hp) | 37 (50) | 45 (60) | 45 (60) | |
| Mtundu wotumizira | Kutumiza kwa magawo awiri | Kutumiza kwa magawo awiri |
Kutumiza kwa magawo awiri | |
| Wothandizira brake | Dynamic braking | Dynamic braking | Dynamic braking | |
| Kukula konse (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Kulemera, kg(lbs) | 18600(41005) | 22500(49605) | 30000 (66140) | |
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