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1. Technique description:

TST-200 Drilling rig are designed with air, mud and air hammer drilling. It is applicable for seismic prospecting in complex stratum area such as Gobi, desert, river bed and gravel etc. Mainly uses imported components. It is mounted on 4X4 or 6X6 chassis with Steady performance, low maintenance cost and easy to operation.

1. Main technical parameter of drilling rig:
   1. Optimum working ambient temperature: -10～40℃.
   2. Optimum working altitude height: lower than 2000meters.
   3. Drilling method: air drilling & water drilling
   4. Working rev: 1600r/min
   5. Max drilling depth: air drilling: 80 meters & water drilling: 200meters

1. Drilling pipe: Φ60×4.5meters
2. Drilling bits: 4-1/2”
3. Power swivel:

Max output torque: 4000 N.m

Output rev: 0～185 r/min

Velocity ratio: 2.92 (73/25)

1. Pull-down & pull up system:

Pull-down force: 10 kN

Pull up force: 35 kN

Pull up speed: 0～1.2 m/s

1. Hydraulic system: Main system working pressure: 20 Mpa.
2. Air compressor (made in China)

Displacement/pressure: 11.3 m³/min /0.7 MPa

1. Mud pump (made in China)

Model 460/25 duplex double action piston type

Max. pressure 2.45 MPa

Rated displacement 458 Liter/Min

Cylinder liner diameter 114 mm

Piston stroke 128 mm

Frequency 90/min

1. Mast: door type truss structure, height: 6.5m.
2. Chassis (made in China)

Truck type and brand: Tiema (TM)

Drive type: 6X6

Engine power(kW/rpm): 213/2300

1. Overall dimension(mm): 11185×2500×3850

Weight (kg): 22000

1. Parts self-made include mainly:
   1. Mast: 6.5meters, door type, strengthen designing on basis of 20D.
   2. Platform
   3. Hydraulic oil tank
   4. Air pipeline
   5. Hydraulic pipeline
   6. Drilling tools
   7. Control system (electrical control, accelerograph control and air compressor control)
   8. Power swivel
   9. Mud pump

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