A small drilling rig for small area construction

Abstract

The invention discloses a small drilling machine for small-area construction. The small drilling machine comprises two vertical columns, a swing mechanism, an inclined strut and a drill bit. The two vertical columns are symmetrically distributed on the two sides of the inclined strut, the drill bit is arranged at the lower end of the inclined strut, and the drill bit is connected with a telescopicrod in the inclined strut; the telescopic rod is connected with an air cylinder in the upper end of the inclined strut, a movable block on the telescopic rod in the device can move in a movable tank,the drilling depth of the drill bit can be visually observed through a scale mark at the edge of the movable tank, thus the depth of drilling can be conveniently controlled, and the accuracy of the depth of the drilling hole is improved; the inclined strut moves in guide tanks in the two sides through a guide rod, the inclined strut operates stably, the phenomena of shaking and being unstable arenot liable to occur in the drilling process of the drill bit, the phenomena that the hole diameters are inconsistent and the drill bit is loose are avoided in the drilling process, the accuracy of drilling is high, the safety is high, and the small drilling machine is suitable for being popularized.

Description

technical field [0001] The invention relates to the technical field of small drilling rigs, in particular to a small drilling rig for small area construction. Background technique [0002] A small drilling rig is a small drilling rig that is light, easy to move, and can drill into rocks, pebbles, granite and other hard strata. A small drilling rig generally consists of a top pulley block, a column, a diagonal brace, a chassis, a walking mechanism, a slewing mechanism, and a hoist. Structure, control room, hydraulic system, electrical system, drill bit and dragging machinery, the rotary mechanism, diagonal brace and column are generally used to support and control the drilling direction of the drill bit, but in practice, the rotary mechanism, diagonal brace and column and drill bit There are still the following disadvantages: [0003] 1. It is often difficult to control the drilling depth when the drill bit is drilling, and there may be slight deviations in the drilling dept...

AI Technical Summary

Problems solved by technology

[0003] 1. It is often difficult to control the drilling depth when the drill bit is drilling, and there may be slight deviations in the drilling depth, resulting in a decrease in the accuracy of the drilling depth;

[0004] 2. When the slewing mechanism controls the diagonal brace to change its direction, there is often no fixed standard to determine the tilt angle of the diagonal brace. The angle may deviate when drilling the diagonal hole. In the construction with high requirements, it is necessary to continuously adjust the angle of the diagonal brace until The construction can only be carried out after reaching a suitable angle, which delays the construction process and lowers the efficiency;

[0005] 3. The drill bit often shakes and becomes unstable when drilling, and the hole diameter may be inconsistent and the drill bit may be loose during drilling. The drilling accuracy is low, and safety accidents are prone to occur.

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