KR200419431Y1 - A Drill for Excavation - Google Patents

Abstract

The present invention relates to an excavation drill for excavating the ground, and more particularly, by installing a dispersing member for pushing the excavation foreign materials are raised and stacked to the upper end of the drill body portion to the outside of the drill body portion excavation at the time of extraction of the excavation drill The foreign material can be prevented from entering the excavated ground again.In the attachment and detachment of the drill body and the drill excavation part, the drill body is fastened by the fastening wear groove which forms the fixing protrusion on the drill body and the fixing groove on the drill excavation. The present invention relates to an excavation drill that can eliminate the problem of replacing the whole.

To this end, the present invention is an excavation drill mounted to an excavator, the drill rod body is mounted to the excavator, the drill body portion consisting of the first screw blades are formed spirally on the outer circumferential surface of the drill rod body and a plurality of gold steel pieces are installed; The drill rod body and the upper end of the drill body portion is coupled to the drilling rod formed of a sharp excavation tip coupled to the high-strength excavation in the lower end, and the drill excavation portion consisting of a second screw blade formed on the outer peripheral surface of the drilling rod, An upper end of the drill body portion is coupled to the dispersing member for excavating the foreign matter excavated by the first screw blade to push the drill body portion outside.

 Drills for drilling, wear protection, drilling blades, replacement, removal

Description

Drill for Excavation {A Drill for Excavation}

1 is a perspective view showing a conventional drilling drill.

Figure 2 is a perspective view showing a drilling drill equipped with a dispersion member according to an embodiment of the present invention.

Figure 3 is a perspective view showing a drilling drill equipped with a dispersion member according to another embodiment of the present invention.

Figure 4 is a perspective view showing a drilling drill equipped with a dispersion member according to another embodiment of the present invention.

Figure 5 is a perspective view of the reinforcing blades drill drill.

Figure 6 is a perspective view showing a reinforcing blade of another form of drill excavation.

Fig. 7 is an assembled perspective view illustrating the coupling of the drill body portion and the drill excavation portion.

<Description of the symbols for the main parts of the drawings>

10: drill body portion 11: drill rod body

11a: fixed protrusion 12: first screw wing

20: drill drilling part 21: drilling rod

21a: excavation tip 21b: excavation piece

21c: fixing groove 22: second screw wings

23: reinforcement blade 30: dispersion member

31: First dispersion part 32: Second dispersion part

33: fastening means 40: diamond steel pieces

The present invention relates to an excavation drill for excavating the ground, and more particularly, by installing a dispersing member for pushing the excavation foreign materials are raised and stacked to the upper end of the drill body portion to the outside of the drill body portion excavation at the time of extraction of the excavation drill The foreign material can be prevented from entering the excavated ground again.In the attachment and detachment of the drill body and the drill excavation part, the drill body is fastened by the fastening wear groove which forms the fixing protrusion on the drill body and the fixing groove on the drill excavation. The present invention relates to an excavation drill that can eliminate the problem of replacing the whole.

An excavator is used as a means for embedding or digging a pipe of a vinyl house, and such an excavator is typically used with a drill blade having a screw blade formed on an elongated rod and an excavator blade formed at an end thereof.

1 is a perspective view showing a conventional drilling drill.

Referring to the drawings, the conventional drilling drill is composed of a drill rod (1) mounted to the excavator and a screw blade (2) formed spirally on the outer circumferential surface of the drill rod, the lower end of the drill rod (1) is a sharp tip tip (3) is formed and the excavation tip is mounted to the high-strength excavation piece (4) is configured to facilitate the excavation.

When the excavation work is made through such an excavation drill, rock or soil is crushed to be elevated on the ground through the screw wings 2 to be stacked around the drill rod 1.

Accordingly, when the excavation drill is taken out after the excavation is made to a certain depth, there is a problem in that excavation foreign materials such as rock fragments or soil, which have been stacked around the drill rod 1, enter the excavated ground.

In addition, in order to prevent the inconvenience of having to replace the entire drilling drill by the lower end of the drill rod (1) that wears relatively quickly when used for a long time, the applicant has a fixing protrusion to the lower end of the drill body through Utility Model Registration No. 20-348760 Forming and forming a fixing groove in the upper end of the excavation rod was proposed to be removable.

However, even in this case, the fixing groove of the drill body does not endure excessive external pressure and wears relatively quickly when used for a long time, resulting in a problem that the entire drill body must be replaced.

The present invention has been devised to solve the above problems by installing a dispersion member for pushing the excavation foreign materials stacked to the top of the drill body portion to the outside of the drill body portion to extract the excavation foreign material when the drilling drill is pulled out again It is possible to prevent entering into the ground, and in the detachable structure of the drill main body and the drill excavation part, it is necessary to replace the entire drill by the fastening fastening groove which forms fastening protrusions on the drill body part and fastening grooves on the drill excavation part. It is an object of the present invention to provide a drilling drill that can eliminate the problem.

The present invention has the following features to achieve the above object.

The present invention is an excavation drill mounted to an excavator, the drill body is mounted to the excavator, and the drill body portion consisting of a first screw blade is formed spirally on the outer circumferential surface of the drill rod body and a plurality of diamond pieces are installed; A drill excavation part comprising a drill rod body and an upper end coupled to the drill body part and a sharp excavation tip having a high strength excavation piece coupled to a lower end thereof, and a second screw blade formed on an outer circumferential surface of the excavation rod body; The dispersing member is coupled to the upper portion of the drill main body to excavate the excavation foreign material which is excavated and lifted by the first screw blade to the outside of the drill main body.

In addition, the dispersing member is formed in a funnel shape in which the lower end is coupled to the drill rod body and gradually increases in diameter toward the upper end.

In addition, the dispersion member may be configured such that the cross section of the central side is formed in a semicircular shape and is coupled to one side outer circumferential surface of the drill rod body, and both ends thereof are located on the same straight line.

In addition, the dispersion member is formed in a semi-circular cross section of the central side is coupled to the outer peripheral surface of one side of the drill rod body, both ends are located on the same straight line, and the drill rod body corresponding in shape to the first dispersion piece Consists of a second dispersion piece coupled to the other outer peripheral surface of the first dispersion piece and the second dispersion piece can be configured to be fastened and separated by a fastening means.

In addition, a plurality of diamond pieces are attached to the first screw wing and the second screw wing, and a reinforcement wing having the same angle as the second screw wing is further formed on the opposite side of the second screw wing of the drill excavation portion, One or more high strength diamond pieces are attached.

In addition, the drill excavation portion may further include a reinforcement wing forming a predetermined angle with the second screw wing from a portion adjacent to the lower end of the second screw wing, and the reinforcement wing may be attached with one or more high-strength diamond pieces, and the drill body portion The lower end of the drill rod body is formed with a fixed protrusion formed with a screw thread on the outer periphery, and the upper end of the drilling rod of the drill excavation portion is formed with a fixing groove corresponding in shape to be coupled to the fixing protrusion.

Hereinafter will be described in detail with the accompanying drawings for the drilling drill according to the present invention.

Figure 2 is a perspective view showing a drilling drill equipped with a dispersion member according to an embodiment of the present invention, Figure 3 is a perspective view showing a drilling drill equipped with a dispersion member according to another embodiment of the present invention, Figure 4 is a perspective view showing a drilling drill equipped with a dispersion member according to another embodiment of the present invention.

5 is a perspective view showing the reinforcing blade of the drill excavation part, FIG. 6 is a perspective view showing the reinforcing wing of another form of the drill excavation part, and FIG. 7 is an assembled perspective view showing the combination of the drill body part and the drill excavation part.

Referring to the drawings, the drilling drill according to the present invention is largely composed of a drill body portion 10 and the drill drilling portion 20 and the dispersion member 30 coupled to the upper portion of the drill body portion 10.

The drill body portion 10 is a drill rod body 11 is mounted to the excavator, and the first screw blade 12 is formed spirally on the outer peripheral surface of the drill rod body 11, a number of diamond steel pieces 40 are installed Is done.

Wherein the upper end of the drill rod 11 is formed with a fixed structure for fixing to the excavator, but such a fixed structure is typically configured and can be easily understood by those who are engaged in the field to which the present invention belongs. Omit.

On the other hand, the outer circumferential surface of the drill rod 11 is provided with a first screw blade 12 is formed in a spiral, which is the foreign material excavated by the drill drilling portion 20 by the first screw blade 12 is formed in a spiral To lift and discharge to the outside of the ground.

In addition, the upper portion of the drill rod body 11 is coupled to the dispersion member 30, which is to push the excavated foreign substances discharged to the outside of the drill body portion 10 outside the excavation is made to the target depth and thus excavation Pulling the dragon drill out of the ground does not allow the excavation debris to get back into the excavated ground.

Wherein the dispersion member 30 is formed in a funnel shape as shown in Figure 2 is configured to push the excavated foreign material to be elevated by engaging with the drill rod body 11 to the drill rod body 11 outside.

In addition, as shown in Figure 3 according to another embodiment of the present invention is formed in a semi-circular cross section of the central side is coupled to one outer peripheral surface of the drill rod body 11 and both ends can be configured to be located on the same straight line, Accordingly, the dispersion member 30 is also co-rotated with the rotation of the drill body 11 to push out the excavation foreign matter by the length of the dispersion member.

In addition, as shown in Figure 4 according to another embodiment of the present invention, the cross section of the central side is formed in a semi-circular shape is coupled to the outer peripheral surface of one side of the drill rod (11) and the first dispersion piece having both ends located on the same straight line (31) and the first dispersion piece (31) and the first dispersion piece 31 and the first dispersion piece (31) to form a second dispersion piece (32) to engage with the outer peripheral surface of the drill rod (11) in shape The two dispersion pieces 32 may be configured to be fastened and detached by the fastening means 33.

In this embodiment, the dispersion member 30 is also co-rotated with the rotation of the drill body 11 as in the above-described embodiment so that the excavation foreign matter can be pushed outward by the length of the dispersion member.

Compared to the two embodiments described above, the drill body 11 is configured to be fixedly coupled, the present embodiment has an advantage of being selectively installed and detachable through fastening means 33 such as a bolt.

Meanwhile, the drill excavation part 20 is an excavation rod body in which a drill rod body 11 and an upper end portion of the drill body part 10 are coupled, and a sharp excavation tip 21a having a high strength excavation piece 21b coupled to a lower end portion thereof is formed ( 21 and a second screw blade 22 formed on the outer circumferential surface of the excavating rod 21.

The excavation tip (21a) and the excavation piece (21b) is preferably formed of a high strength material to withstand high pressure during excavation, it is preferable that the high strength material is industrial diamond or diamond.

In addition, the drilling rod 21 and the drill rod 11 may be fixedly coupled, may be detachably coupled.

Wherein the drilling rod 21 and the drill rod 11 in order to be detachably configured, the fixing protrusion (11a) is formed at the lower end of the drill rod (11) and the fixing protrusion (11a) and the shape of the upper end of the drilling rod (21) The fixing grooves 21c corresponding to each other are formed.

Accordingly, the problem of having to replace the entire drill body 10 by the fastening groove 21c which is worn relatively quickly as in the case where the formation positions of the conventional fixing protrusion 11a and the fixing groove 21c are reversed is eliminated. You can do it.

A screw thread is formed at the inner edge of the fixing groove 21c and the outer edge of the fixing protrusion 11a, which is only one embodiment of the present invention, and the drilling rod 21 may not be easily removed from the drill rod 11. Any structure can be used as long as it is a structure.

That is, the fixing groove 21c and the fixing protrusion 11a may be formed in the shape of a square or a polygonal bar to be pressed together, which is obvious to those who are engaged in the field to which the present invention belongs. It is not intended to limit the scope of the claims.

Meanwhile, as shown in FIG. 5, a reinforcement blade having the same angle as that of the second screw blade 22 so as to be easily and effectively drilled when the drill screw 20 is opposite to the second screw blade 22. 23) is preferably formed.

In addition, as shown in FIG. 6, the reinforcing blade 23 may be formed to form a predetermined angle with the second screw blade 22 from a portion adjacent to the lower end of the second screw blade 22.

On the other hand, the first screw blade 12 or the second screw blade 22 and the reinforcing blade 23 is attached to a plurality of high strength diamond pieces 40, the diamond piece 40 is buried in the ground during excavation The first screw blade 12 or the second screw blade by attaching a plurality of pieces as a means for preventing the first screw blade 12 or the second screw blade 22 and the reinforcing blade 23 from being worn by rocks or the like. Reinforcing the strength of the 22 and the reinforcement wing 23 serves to prevent wear.

As described above, the present invention forms a dispersion member for pushing up and stacking the excavation foreign materials stacked on the upper end of the drill body portion to the outside of the drill body portion, so that the excavation foreign materials enter the ground again when the drilling drill is pulled out. There is an effect that can be prevented.

In addition, in the detachable configuration of the drill main body and the drill excavation part, the fixing protrusion may be formed in the drill body part and the fixing recess may be formed in the drill excavation part, thereby eliminating the problem of replacing the entire drill by the fast-wearing fixing groove.

Claims (8)

In the drilling drill mounted on the excavator, A drill body part 10 formed of a drill rod body 11 mounted on an excavator, and a first screw blade 12 formed spirally on an outer circumferential surface of the drill rod body 11 and on which a plurality of diamond pieces 40 are installed; ; Drill rod body 11 and the upper end of the drill body portion 10 is coupled to the excavation rod body 21 is formed with a sharp excavation tip (21a) coupled to the high-strength excavation piece (21b) at the lower end, and the excavation rod body 21 It includes a drill drilling portion 20 consisting of a second screw blade 22 formed on the outer circumferential surface of the; Excavation is characterized in that the drilling member is coupled to the upper portion of the drill body portion 10 to push the excavation foreign material which is elevated by the first screw blade 11 to the drill body portion 10 outside the drill body portion 10 is coupled. Drill. The method of claim 1, The dispersion member 30 is drilled for drilling, characterized in that the lower end is coupled to the drill rod body 11 and formed in a funnel shape gradually increasing in diameter toward the upper end. The method of claim 1, The dispersion member 30 is drilled for drilling, characterized in that the cross section of the central side is formed in a semi-circular shape is coupled with one side outer circumferential surface of the drill rod (11) and both ends are located in the same straight line. The method of claim 1, The dispersing member 30 is formed in a semi-circular cross section at the center side thereof and is coupled to the outer peripheral surface of one side of the drill rod body, the first dispersing piece 31 having both ends disposed on the same straight line, and the first dispersing piece 31. It consists of a second dispersion piece 32 corresponding to the shape and corresponding to the outer peripheral surface of the drill rod 11, the first dispersion piece 31 and the second dispersion piece 32 is fastening means 33 Drill for drilling, characterized in that the fastening and detachment by. The method according to any one of claims 2 to 4, Drilling drill, characterized in that the first screw blade (12) and the second screw blade (22) is attached to a number of diamond pieces (40). The method of claim 5, The reinforcing blade 23 having the same angle as the second screw blade 22 is further formed on the opposite side of the second screw blade 22 of the drill excavation portion 20, and the reinforcing blade 23 has one or more high strength. Drilling drilling, characterized in that the diamond seat 40 is attached. The method of claim 5, The drill excavation part 20 is further provided with a reinforcement wing 23 having a predetermined angle with the second screw wing 22 from a portion adjacent to the lower end of the second screw wing 22, and the reinforcement wing 23 is Drills for drilling, characterized in that one or more high-strength diamond piece 40 is attached. The method of claim 6, The lower end of the drill rod body 11 of the drill body 10 is formed with a fixed protrusion (11a) is formed on the outer periphery and coupled to the fixing protrusion (11a) on the upper end of the drilling rod 21 of the drill excavation portion (20) Drilling drill, characterized in that the fixing groove (21c) corresponding in shape to be formed.

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