Parameters of drawworks
| 型号 type | JC20 | JC30 | JC40 | JC50 | JC70 | |
| 名义钻探范围 nominal depth of drilling |
Φ114mm钻杆 Φ114mm Stem |
1200-2000 | 1600-3000 | 2500-4000 | 3500-5000 | 4500-7000 |
| Φ127mm钻杆 Φ127mm Stem |
1100-1800 | 1500-2500 | 2000-3200 | 2800-4500 | 4000-6000 | |
| 额定功率 rated power |
440(600) | 550(750) | 735(1000) | 1100(1500) | 1470(2000) | |
| 最大快绳拉力 Max. fast line pull |
200 | 210 | 275 | 340 | 485 | |
| 钢丝绳直径 Dia.of wire line |
Φ29(1 1/8) | Φ29 (1 1/8) | Φ32(1 ¼) | Φ35 (1 3/8) | Φ38(1 ½) | |
| 滚筒开槽尺寸(直径×长度) size of drum groove (diameter×length) |
Φ560×1120 (22×44) |
Φ560×1005.72 (22×39 ¼) |
Φ640×1142 (25 ¼ ×45) |
Φ685×1245 (27×49) |
Φ770×1436 (30×56 ½) |
|
| 刹车轮钢 braking round steel |
Φ1067×267 (42×10 ½) |
Φ1168×265 (46×10 ½) |
Φ1270×267 (50×10 ½) |
Φ1370×267 (54×10 ½) |
||
| 刹车盘 brake disc |
Φ1400×40 (55×11/2) |
Φ1500×76 (59×3) |
Φ1600×76 (63×3) |
Φ1600×76 (63×3) |
||
| 辅助刹车 auxiliary brake |
SDF20(风冷) | FDWS30 | FDWS40 | DS50 | DS70 | |
| 外形尺寸(长×宽×高) overall dimension (length×width×height) |
2450×5500×2545 | 6140×2835×2562 | 6600×2890×2670 6450×3553×2429 |
7000×2955×2780 | 7930×3194×2930 | |
| 质量(Kg) weight |
17528 | 24120 | 29000/28000 | 45210 | 43000 | |
