What are the precautions before and during the construction of the hand-held pneumatic drilling rig?

Release time:

2019-01-14

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1. preparation work 1. Before installing the drilling rig, the downhole air valve shall be opened to blow the viscera of the pipeline clean. The air pipe has the function of removing air and water. The pipe joint shall be cleaned. The oil mist device shall be filled with oil. The air pipe shall be connected properly. When water is supplied, the water pipe shall be connected to keep the water pipe joint clean. 2. The "three tightness" should be achieved in front of the eyes, I .e. tight cuffs, tight neckline and tight clothing corners. First, don't: don't wear gloves. In the 2. drilling construction, the drill pipe shall be installed with the drill bit and then into the drill sleeve. Then, the two hands hold the handle to stabilize the drill, align the drill bit with the drilling position, hold the air intake wrench by hand, and the air intake valve is opened (closed after loosening). The drill pipe starts to rotate. At this time two

1. preparation

1. Before installing the drilling rig, open the underground gas valve and blow the internal organs of the pipeline clean,

The air pipe has the function of deaeration and water removal. The pipe joint should be cleaned up, and the oil mist device should be filled with oil and gas.

The pipes should be connected well, and the water pipes should be connected well when water is connected, and the water pipe joints should be kept clean.

2, hit in front of the "three tight"

Namely: the cuff is tight, the collar is tight, the skirt is tight;

Don't: Don't wear gloves.

2. drilling construction

First install the drill pipe on the drill bit and then install it into the drill sleeve, then hold the drill firmly with two hands and make the drill bit align with the drilling position.

set,

Hold the intake wrench tightly, the intake valve is opened (closed after loosening) and the drill pipe starts to rotate. At this point the two arms force

Advance the drill to complete the drilling work.

When the hole has been drilled to the required depth, the two arms push and pull the drill several times to discharge the pulverized coal in the hole and pull out the drill.

When the rod releases the air wrench, the drill rod stops rotating.

Key words:

Construction, drilling rig, drill pipe, drilling, wrench, tight mouth, clean, don't, rotate, force

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