| Usage: | Oil Well |
|---|---|
| Model Number: | JC70D |
| Brand Name: | BOMCO |
| Place of Origin: | China (Mainland) |
| Power Type: | Diesel |
| Type: | Rotary Drilling Rig |
| Condition: | New |
Quick Details
Specifications
Contact: Clevin Chao Email: manager(at)
Features of Mechanical
Drawworks
All bearings are roller bearings. Shafts are made of alloy steel.
Chains with forced lubrication can transmit with high accuracy and high strength.
The drum is grooved Ventilating air clutches constitute the
high and low speed ends;
The brake drum(brake disc) is dealt with forced cooling with
circulating water;
The surface case was hardened with medium frequency,
and is durable;
The tooth profile of sprocket was hardened with medium
frequency. Involute serration tooth clutch worked as shifting
clutch.
Main
brake is band brake or disk brake, the
auxiliary
brake is eddy current brake (water-cooled or air-cooled).
Specifications
of mechanical drawworks
Model
JC-40
JC-50
JC-70
Nominal
drilling
depth
m
Ф114mm(41/2 in) DP
2500-4000
3500-5000
4500-7000
Ф127mm(5 in) DP
2000-3200
2800-4500
4000-6000
Rated
power
kW(hp)
735
(1000)
1100
(1500)
1470
(2000)
Max.
fastline pull
kN
275
340
485
Dia.
of wineline mm(in)
32
(1 1/4)
35
(1 3/8 )
38
(1 1/2)
Drun
size(D×L)
mm(in)
640
×1235
(25
1/4 ×48 1/2)
685×1245
(27×49
)
770×1436
(30
×56 1/2 )
Brake
drum size(D ×W)
mm(in)
1168×265
(46
×10 1/2 )
1270×267
(50
×10 1/2 )
1370×267
(54
×10 1/2 )
Brake
disc(D×W)
mm(in)
1500×76
(59
×3)
1600×76
(63
×3 )
1600×76
(63
×3)
Sand
drum size(D ×L)
mm(in)
356×1245
(14×49)
356×1430
(14
×56 1/4 )
356×1430
(14
×56 1/4 )
Sand
drum capacity(Ф14.5 wireline)
m(ft
3500
(11480 )
4500
(14760 )
6000
(19685 )
Auxiliary
brake
DS40
DS50
DS70
Dimension(L×W×H)
mm
6450×2560×2482
7000×2955×2780
7930×3194×2930
Weight(kg)
28240
45210
43000