AC Fariabele Frequency Drive Drawworks
• De wichtichste komponinten fan drawworks binne AC fariabele frekwinsje motor, gear reducer, hydraulyske disc brake, lier frame, trommel shaft assembly en automatyske driller etc, mei hege gear transmission effisjinsje.
• It gear is tinne oalje smeerde.
• Drawwork is fan ien trommel shaft struktuer en de trommel is grooved.Yn ferliking mei ferlykbere tekeningen is it fan in protte fertsjinsten, lykas ienfâldige struktuer, lyts folume en licht gewicht.
• It is AC fariabele frekwinsje motor drive en stepless snelheid regeljouwing yn hiele kursus, mei hege macht en breed snelheid ferstelbere berik.
• De wichtichste rem oannimt hydraulyske disc brake, en de rem disc is wetter of lucht cooled.
• De helprem is fan motor dynamyske braking.
• Útrist mei ûnôfhinklike motor automatyske boarjen systeem.
Basisparameters fan AC Variable Frequency Drive Single Shaft Drawworks:
Model fan rig | JC40DB | JC50DB | JC70DB | |
Nominale boardiepte, m(ft) | mei Ф114mm (4 1/2") DP | 2500-4000 (8200-13100) | 3500-5000 (11500-16400) | 4500-7000 (14800-23000) |
mei Ф127mm(5”) DP | 2000-3200 (6600-10500) | 2800-4500 (9200-14800) | 4000-6000 (13100-19700) | |
Nominearre krêft, kW (hp) | 735 (1000 ) | 1100 (1500 ) | 1470 (2000) | |
Oantal.fan motoren × nominale krêft, kW (hp) | 2×400(544)/1×800(1088) | 2×600(816) | 2×800(1088) | |
Rated snelheid fan motor, r / min | 660 | 660 | 660 | |
Dia.fan boarline, mm (yn) | 32 (1 1/4) | 35 (1 3/8) | 38 (1 1/2) | |
Max.fast line pull, kN (kips) | 275 (61.79) | 340 (76.40) | 485 (108.36) | |
Grutte trommel (D×L), mm (yn) | 640 × 1139 (25 1/4 × 44 7/8 ) | 685 × 1138 (27 × 44 7/8 ) | 770 × 1439 (30 × 53 1/2 ) | |
Remschijfmaat (D×W), mm(in) | 1500 × 76 (59 × 3) | 1600×76 (63×3) | 1520×76 (59 3/4) | |
Motorkrêft fan automatyske driller, kW (hp) | 37 (50) | 45 (60) | 45 (60) | |
Transmission type | Geartransmission mei dûbele etappe | Geartransmission mei dûbele etappe |
Geartransmission mei dûbele etappe | |
Auxiliary rem | Dynamic braking | Dynamic braking | Dynamic braking | |
Algemiene dimensje (L × B × H), mm (yn) | 4230×3000×2630 (167×118×104) | 5500 × 3100 × 2650 (217×122×104) | 4570×3240×2700 (180×128×106) | |
重量Gewicht, kg (lbs) | 18600 (41005) | 22500 (49605) | 30000 (66140) |