Clamp adopts three points clamping. The front and rear clamp can be separated. Clamp is floating in whole course.
The three point clamping a third more contacting area than two pont clamping ensures the strength of shackle, reduces the wear and tear of the drill rods, increase the operation speed and prolong performance life of drill rods.
YQ3000-L drilling rig
1. Main Technique Parameters
|
Num.
|
Products
|
Parameters
|
Remarks
|
|
1
|
Rotating speed of diesel engine
|
300Kw/2100rpm
|
2 sets
|
|
2
|
Max torque of power head
|
113810N· m
|
35Mpa
|
|
3
|
Max push-pull force of power head
|
3100KN
|
|
|
4
|
Max work pressure
|
35Mpa
|
≤ 42Mpa
|
|
5
|
Diameter of drill rod
|
5~5 5/8 In
|
Standard drill rod
|
|
6
|
Max length of drill rod
|
9.6m
|
|
|
7
|
Max rotating speed of power head
|
0-42-76rpm
|
Double work
|
|
8
|
Max push-pull speed of power head
|
33m/min
|
Double work
(180+180ml)
|
|
9
|
Spindle floats distance
|
100mm
|
|
|
10
|
Mud diameter
|
3In
|
|
|
11
|
Max flow rate of mud
|
2000L/min
|
|
|
12
|
Max pressure of mud pump
|
20Mpa
|
|
|
13
|
Entry drill angle
|
8-15°
|
|
|
14
|
Max climbable gradient
|
17°
|
|
|
15
|
Max holding force of pipe vice
|
2300KN
|
|
|
16
|
Max shackles force of pipe vice
|
190000N· m
|
|
|
17
|
Dimensions(L× W× H)
|
17700× 3200× 3400mm
|
transportation
|
|
18
|
Total weight
|
52T
|
|
|
19
|
Temperature
|
-20~40° C
|
|
|
20
|
Height
|
0-2000m
|
|
|
21
|
Max diameter of expending
|
Φ 1800mm
|
Geological conditions dependent
|
|
22
|
Drill change
|
2500m
|
Geological conditions dependent
|
2, Main Configuration
1, Diesel Engine: select 2 sets 300Kw/2200rpm diesel engines;
2, Hydraulic Pump:
(1)use 4 sets original American Company’ s closed variable pumps with displacement 180ml/r to rotate and push-pull;
(2)select international well-known brands high-pressure gear pumps for clamps and other auxiliary organizations;
3, Main motor;
(1), 6 sets of American original variable plunger motors with displacement 160ml/r for push-pull;
(2), 4 sets of original variable plunger motors with displacement 107.5ml/r imported from Italian for rotating;
4, Reducer: select 10 sets original Italy speed reducer for rotating and push-pull of power head ;
5, Transfer case: select the original German case with power 530kw ;
6, Hydraulic valve: Rexroth-type valve, Italy flush valve;
7, Track: The company made a pair of high-impact alloy steel rack and pinion;
8, Rack and pinion: high wear-resistant, high impact alloy steel rack and pinion;
9, Electric parts: Schneider electric elements.