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Auger drill pipe unlocking considerations
Release time:
2019-06-16
Author:
Source:
1 Resistance: It is very important to unlock when there is resistance in the spiral drill pipe drilling, because the drill bucket needs to provide resistance to unlock. 2 lifting power head: the function of lifting screw drill pipe power head is to eliminate the gap between the locking section of each drill pipe machine and prevent the drill pipe from being smashed. Another function is to reduce the friction resistance of the lock point of the machine and prepare for unlocking. 3 vibration. Sound: If you carefully identify, you can feel that when you unlock each lock point, you will emit a shock vibration and sound, and with the unlocking sequence, the vibration and sound will be more obvious. 4 lifting load: if the lock is not unlocked, the load when lifting the main roll is obviously increased or cannot be raised. 5 Observation Spiral
1 Resistance: to be inauger drill pipeIt is very important to unlock when there is resistance to drilling, because the bucket needs to provide resistance to unlock.
2 lifting power head: liftingauger drill pipeThe function of the power head is to eliminate the gap between the lock section of each drill pipe machine and prevent the drill pipe from being smashed. Another function is to reduce the friction resistance of the lock point of the machine and prepare for unlocking.
3 Vibration.Sound: If you carefully identify, you can feel that when you unlock each lock point, you will emit a shock vibration and sound, and with the unlocking sequence, the vibration and sound will be more obvious.
4 lifting load: if the lock is not unlocked, the load when lifting the main roll is obviously increased or cannot be raised.
5 Observationsauger drill pipeLacquers process:
5.1 each section of the rod is retracted to cause a change in the load, in combination with the current depth on the display, it can be clear whether the drill rod is abnormal.
5 .2 when you mention it, you should also carefully observe the first section.SpiralIf the drill pipe is brought up during the lifting process, the first section of drill pipe will suddenly rise under the action of the buffer spring of the power head at the moment of bringing up the drill pipe, and the load of the main coil will also change slightly.
6auger drill pipeDrilling tool: according to the geological type of selection of drilling tool drilling teeth, and optimize the drilling tool, whether the machine lock or unlock all need to provide resistance, so it must be first sharp.
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Key words:
Spiral, drill pipe, geological drill pipe, triangular drill pipe
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