Specification :
Applications
The rotary table of this truck mounted drilling rig comes with large torque and as a result the drill equipment makes a hole quickly. Currently, our vehicle mounted drilling rig has found applications in water conservation projects, the drilling of industrial deep well, conventional water well and geothermal well, etc., and national defense fields, to name a few. It is applicable for drilling into clay, sand, bed rock, basalt strata, and more.
Design advantages
1. BZC-350B is a kind of rotary drilling machine designed for drilling water wells, and more.
2. This truck mounted drilling rig is equipped with SINOTRUK special truck chassis, and the transfer case, main drive, gearbox, dual-winch, slurry pump, rotary table, drill tower and steel wire feeding system are all mounted on the chassis.
3. Driving systems
This water well drilling rig is primarily mechanical driven. The drill tower and the four levelling legs are hydraulically controlled. The transfer case and the slurry pump's valves are pneumatically controlled.
4. Drilling method
A standard BZC-350B drilling equipment adopts directional circulation drilling method. Equipped with BW850/2A slurry pump, it adopts slurry as the drilling fluid, and finally achieves direct circulation drilling with the help of the high pressure plunger pump.
If equipped with proper drilling tools, the drilling rig can also achieve other drilling methods.
5. Three-phase AC generating set provides the vehicle mounted drilling machine with convenience for welding operation and equipment maintenance at night.
6. BZC-350B is equipped with dual-winch and drill tower pulley block, etc. which functions to increase the drilling pressure and assists the water well drilling rig in drilling into mud rock, and bed rock, etc. This design is very effective in improving drilling efficiency.
7. Power system
BZC-350B truck mounted drilling rigs are equipped with automotive engines, and also additionally equipped with transfer case and hydraulic system. Hence, the truck and the drilling mechanism can work simultaneously.
Configuration options
1. According to customers' requirements, our truck mounted drilling rig can be equipped with air compressors from different manufacturers, like America's SULLAIR, Sweden's ATLAS COPCO, China's KaiShan Group and HongWuHuan Group. Thus, the equipment can achieve pneumatic down-the-hole hammer drilling.
2. If equipped with air water separator, dual-wall drill pipe and other related devices, the rotary drilling rig is also able to achieve reverse circulation drilling.
3. If equipped with drill tools like hydraulic down-the-hole hammer, and 850/2A mud pump, the vehicle mounted drilling rig can realize hydraulic DTH drilling.
Technical specifications
Drilling depth (M) 80 300
Borehole diameter (mm) 1500 500
Rotary table speed (r/min) 21.2; 36; 63.2; 100.6; 155; 20.2 (reverse)
Rotary table torque (KN.m) 18; 10.6; 6; 3.8; 2.5; 18.9 (reverse)
Pull force of the main winch (with single winch rope) (KN) 30
Max. pull force of the main winch (KN) 180
Pull force of the auxiliary hydraulic winch (with single winch rope) (KN) 40
Max. pull force of the auxiliary hydraulic winch (KN) 160
Elevating capacity of the hook (KN) 180
Carrying capacity of the drill tower (KN) 180
Drill tower height (mm) 11500
Load bearing capacity (t) 25
Drill stem Main drill stem (mm) 108¡Ã108¡Ã7500
Second drill stem (mm) §¶89¡Ã10¡Ã5500
Hydraulic oil pump Model CB-HP50/32Z
Capacity (ml/r) 50/32
Rated speed (r/min) 2000
Rated pressure (MPa) 20
BW850/2A slurry pump / mud pump Cylinder sleeve diameter (mm) 150
Piston travel (mm) 180
Theoretical flow rate (L/min) 600¡¡¡¡¡¡¡¡850
Rated pressure (Mpa) 3¡¡¡¡¡¡¡¡¡¡¡¡2
Stroke frequency (min-1) 58¡¡¡¡¡¡¡¡¡¡82
Suction pipe diameter (mm) 127
Drain pipe diameter (mm) 64
Rotation speed (r/min) 470
Input power (kw) 40
Overall dimension (mm) 2000¡Ã1030¡Ã1400
Weight (t) 1.5
Matching power unit Diesel engine Model TBD226B-6¢òwater cooled, 4-stroke, intercooled supercharged diesel engine
Rated power (KW) 132
Speed (r/min) 2300
Max. torque 650N.m/1400-1500rpm
Chassis Model TAZ5191TZJ
Drive type 6¡Ã4
Engine Model and type TBD226B-6¢ò water cooled, 4-stroke, intercooled supercharged diesel engine, Euro ¢ò
Rated power (KW) 132
Rotation speed (r/min) 2300
Overall dimension (L¡ÃW¡ÃH)(mm) 11110¡Ã2490¡Ã2500
Generating set Model MF
Rated power (kw) 15
Rated voltage (v) 400
Rated current (A) 27
Power factor 0.8
Speed (r/min) 1500
Rated frequency (Hz) 50
Insulation class H
Protection rating IP21
Optimum gear of the gearbox in driving cab (rotation speed) 5th gear (1000-1400r/min)
Max. truck travel speed (Km/h) 75
Weight (kg) 19340
Transport dimensions (L¡ÃW¡ÃH) (mm) 12160*2490*3440
Overall dimension (L¡ÃW¡ÃH) (mm) 11110*2490*13110
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