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Steps for unlocking the auger drill pipe
Release time:
2019-06-16
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The drill pipe of the rotary drilling rig can drill dozens or even hundreds of meters of pile holes. It turns out that the drill pipe is nested inside the drill pipe layer by layer. Today, I will talk to you about the unlocking steps of the spiral drill pipe. Screw unlocking step 1: the most important thing to unlock is the resistance of the drill bucket, and the drill pipe is unlocked by it. this is especially important. screw unlocking step 2: when the resistance of the drill tool is fixed to the core section, the drill pipe and the core section in the third section are unlocked. Step 3 of spiral unlocking: when the core section and the third section are fixed by the resistance of the drilling bucket, the second section and the third section are unlocked. Screw Unlock Step 4: Move
The drill pipe of the rotary drilling rig can drill dozens or even hundreds of meters of pile holes. It turns out that the drill pipe is nested inside the drill pipe layer by layer. Today, I will talk to you about the unlocking steps of the spiral drill pipe.
Spiral Unlock No.Step 1: The most important thing to unlock is the resistance of the drill bucket. It is especially important to unlock the drill pipe.
Spiral Unlock No.Step 2: When the resistance of the drilling tool is fixed to the core section, the third section of the drill pipe is unlocked with the core section.
Spiral Unlock No.Step 3: When the core section and the third section are fixed by the resistance of the drilling bucket, the second section and the third section are unlocked.
Spiral Unlock No.Step 4: The power head is still reversed, and it is the turn of the first section of drill pipe and the second section to unlock.
Spiral Unlock No.Step 5: Since the closing resistance of the live bottom of the drill bucket is less than the resistance of the drill pipe to continue unlocking, the live bottom is completely closed.(Depending on geological conditions)
Spiral Unlock No.Step 6: At this time1.2.3The section drill pipe has been completely unlocked, and the last lock is left. The power head and the first section drill
Lever fully unlocked.
auger drill pipeThe unlocking sequence is from bottom to top, from inside to outside.
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Key words:
Unlock, drill pipe, spiral, geology, triangular
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