CD856 Series rotary drilling rig is the product of joint cooperation by Shanghai PengPu Machine Building Plant Co. Ltd. And Zhengzhou Chuandao Machinery Co., Ltd. Based on the deep-in studies of the all kinds of rotary drilling rigs and plenty experiment and pratice on them, CD856 possesses the characters of light weight, flexible, pratcial, easy to use and maintain, which make several rewards be won by CD856 from National Science and Technology and the First national technology.
| Parameter |
Type |
CD856 |
CD856A |
| Drilling diameter |
mm |
600-1600 |
600-1600 |
| Max.drilling depth |
mm |
56 |
56 |
| Overall Dimensions |
Working data |
mm |
16950*3200*6720 |
17500*3200*6720 |
| Transport data |
mm |
13350*3200*3200 |
14200*3200*3350 |
| Opearating Weight of total machine |
kg |
38000 |
39000 |
| Engine |
Model |
|
Cummins 6BT5.9 |
Cummins 6BT5.9 |
| Rated power |
kw/rpm |
108/2100 |
108/2100 |
| Type |
|
Turbocharged ,direct-injection |
Turbocharged ,direct-injection |
| Rotary Drive |
Max.torque |
kn.m |
80 |
80 |
| Rotation speed |
r/min |
0-22 |
0-22 |
| Crowd cylinder |
Max.push |
kn |
120 |
120 |
| Max.lift |
kn |
80 |
80 |
| Max.stroke |
m |
2 |
2 |
| Main winch |
Max.line pull |
kn |
120 |
120 |
| Max.line speed |
m/min |
70 |
70 |
| Rope diameter |
mm |
24 |
24 |
| Auxillary winch |
Max.line pull |
km |
60 |
60 |
| Max.line speed |
m/min |
50 |
50 |
| Rope diameter |
mm |
16 |
16 |
| Hydraulic system |
Type of hydraulic pump |
|
2 plunger variable flowpump + 2 gear pump |
2 plunger variable flowpump + 2 gear pump |
| Method of power adjustment |
|
Gross power adjustment + Negative flow control |
Gross power adjustment + Negative flow control |
| Main safety valve adjusted pressure |
|
300Bar |
300Bar |
| Travel axial piston motor |
|
2 Varialbe flow axial piston motor |
2 Varialbe flow axial piston motor |
| Motor for swing |
|
2 Fixed flow axial pistion motor |
2 Fixed flow axial pistion motor |
| Chassis |
Max.travelling speed |
km/h |
3 |
3 |
| Max.grade ability |
40% |
40% |
| Min.ground clearance |
mm |
430 |
430 |
| Width of track shoes |
mm |
800 |
800 |
| Mast Inclination |
|
|
Free adjustment forwards/backwards |
Free adjustment forwards/backwards |
|
