6” Tracked Normal Circulation Drill

6” Tracked Normal Circulation Drill

6” Tracked Normal Circulation Drill

  • Classification:Normal circulation drill
  • Views:second
  • Date of issue:2019-12-16
  • Product overview

Usage and Technical Performance of Power Head Normal Circulation Drill:

DZJ-1500 normal circulation drill rig is a rotary drilling rig that suspends the power part in the slide of the drill frame and slides up and down to perform drilling. It is both a submersible drilling rig and a disc drilling rig. It is also equipped with three variable speed gears, which can change (31 rpm, 66 rpm, 93 rpm) three speeds. Suitable for formation environment, etc., has been greatly improved to make the rig more usable and more suitable for formations. At the same time, the use and maintenance costs are greatly reduced, and it is suitable for drilling construction of various complex strata such as silt, clay, sand, gravel, weathered rock, shale and so on. Is widely used in construction, water conservancy, ports, power, telecommunications, engineering precipitation, wells, bridges and other engineering foundation construction.

Power Head Normal Circulation Drill Basic Parameters:

2. Drill Structure

(DZJ-1500)Normal Circulation Drill 

Drilling Diameter(mm)

300-2000

Drilling Depth(m)

0-300

Main Motor Power(kw)

18.5*2

Main Drilling Speed(r/min)

0-80

Large Pump Power(kw)

22

Small Pump Power(kw)

11.4

Main Winch Power(kw)

30

Main Winch Lifting Power(kn/m)

15

Oil Pump Power(KW)

7.5

Auxiliary Winch Power(kn/m)

12

Main Unit Torque(kn/m)

92.9

Total Power(kw)

7500*2200*2800

Dimensions(mm)

16000


DZJ-1500 drill is a normal and reverse circulation drill, which is composed of YD multi-change speed motor, gear reducer, normal and reverse circulation mud pump, valve, hydraulic pump, oil cylinder, main winch, auxiliary winch, distributor box, drilling cramp, pipe and drill bit.

二. Drill Structure

1. The main motor is YD multi-speed motor, and the rest motors are common Y-series motors.

2. The gear reducer adopts four-axis three-stage gear reduction combined with an inverter motor, which can perform 0-120 Hz transformation to achieve the purpose of variable speed. The spindle speed can be changed according to the construction diameter and formation.

三、 Operating Principle of Normal Circulation Drill:

1. The oil pressure system of the drilling rig is controlled by the oil pump through the pipeline through a multi-way valve, and it is delivered to the actuators as required to complete various actions.

2. The reducer transmits the power to the output shaft via variable speed, which drives the drill rod and drill bit to perform the rotary motion, and completes the forward rotation (clockwise) for cutting work. (For reversing the drill rod for unloading) turn. (Reverse rotation will cause the drill pipe to fall off and drill accident)

3. Forward cycle operation:

3.1. If you need to change the drill bit method during construction or well washing reasons, the operation steps are, for example, positive circulation, operate the hydraulic handle, close the pressure valve on the large mud pump, start the 3PNL small mud pump, water Pass the pipe through the power head, the drill pipe, and enter the bottom of the drill tip, so that the cutting mud in the hole is supported by the water flow and flows down the well pipe to the sedimentation tank. The precipitated water enters the 3PNL mud pump again, forming a cycle.

3.2 The lower cage and ash filling of the rig

After the pile hole is completed, raise the drill rod, drill bit, and the drill rig to move the appropriate position at the same time. Depending on the auxiliary forehead hook on the frame aligned with the center of the pile hole, the cage can be lowered and the commodity ash can be poured at the same time.

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