KR20160039795A - Small boring apparatus using excavator - Google Patents

Abstract

The present invention relates to a small boring apparatus using an excavator. The small boring apparatus using an excavator according to an embodiment of the present invention is installed at the excavator including an arm comprising a pair of hooking connection bodies to be able to attach and detach a bucket at one end and performs boring work on the ground or rock. The small boring apparatus includes: a body part which is connected to be attached to or detached from the pair of hooking connection bodies through one end; a rotary driving part which is installed in the body part, and generates rotary driving force; and a boring tool which is connected to the rotary driving part exposed through the other side of the body part, and is rotated by the rotary driving force delivered from the rotary driving part, and performs boring work on the ground or rock. The boring tool changes a direction to perform boring work according to a position where the body part is connected to the pair of hooking connection bodies. The small boring apparatus of the present invention can minimize generation of vibration and noise during boring work.

Description

{Small boring apparatus using excavator}

The present invention relates to a small-sized boring apparatus using an excavator, and more particularly, to an excavator capable of minimizing vibration and noise generated by a boring operation in a boring operation, To a small-sized boring apparatus using the same.

In order to construct the structure in the ground, the structure is buried in the excavated or perforated ground after excavating or perforating the ground. Generally, the boring work is an excavation (or drilling) work to investigate the underground layer thickness and minerals for the prospecting, exploration, and exploration, It is the work of mechanically cutting or crushing the ground, rock, and tunnel cross section at the construction site where construction of foundation piling work, tunnel work, and subway work is carried out.

This boring work has been replaced by a construction method using a boring device due to the occurrence of noise and vibration, the stability of the worker, and the like.

However, since the conventional boring apparatus has a complicated and large-sized structure of the apparatus, there is a problem that installation and operation of the apparatus are restricted according to the work place, and movement between the work places is not easy. In addition, when the boring operation is performed using the large-sized boring device, there is a problem that vibration and noise are generated so much as to cause damage to the surrounding area as well as the work place.

Accordingly, there is a need for a small-sized boring apparatus using an excavator that minimizes vibration and noise generated by boring work in boring work, and increases the ease of movement to various work places and the work efficiency thereof.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems described above, and it is an object of the present invention to provide a boring apparatus having a simpler and smaller structure so as to be removably attachable to an excavator having excellent mobility, And to provide a small boring device using an excavator that minimizes the occurrence of vibration and noise due to work and increases the ease of movement to various work places and the work efficiency.

The technical problem of the present invention is not limited to those mentioned above, and another technical problem which is not mentioned can be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, a small-sized boring apparatus using an excavator according to an embodiment of the present invention is installed in an excavator including an arm provided with a pair of coupling members so that a bucket can be detachably attached at one end, And a driving unit that is installed inside the body and rotates to generate a rotational driving force, the small-sized boring apparatus comprising: a body part connected detachably to the pair of engaging bodies through one end, And a boring tool connected to the rotary drive unit exposed through the other end of the body unit and performing a boring operation on the ground or rock by rotating by a rotational driving force transmitted from the rotary drive unit, The boring operation is performed according to the position where the body portion is connected to the pair of latching bodies Characterized in that flavor is changed.

The main body includes a housing having a receiving space therein, a pair of side brackets provided on opposite sides of the housing so as to face each other, and a pair of side brackets connected to the pair of side brackets at an upper portion of the housing, And at least three engaging portions disposed at intervals corresponding to the intervals of the pair of engaging coupling bodies, wherein the body portion selects two engaging portions adjacent to each other among the at least three engaging portions, And the boring tool determines a direction in which the boring operation is performed by connecting to the coupling body.

At this time, the rotation drive unit includes a drive motor mounted in the housing in the housing space to generate the rotation drive force, one end connected to the rotation shaft of the drive motor, and the rotation drive force from the drive motor And a coupling member for coupling the other end of the drive shaft and the boring tool so that the boring tool can be detachably coupled to the other end of the drive shaft and rotating the boring tool by the rotational driving force transmitted from the drive shaft, .

The housing includes a base body having upper and lower portions opened along the rotation axis direction of the drive motor and having the pair of side brackets formed on both sides thereof, And a body cover for sealing the open top of the base body in a state where the driving motor is coupled to the base body.

Preferably, the drive motor is a hydraulic motor driven by using oil supplied from the tenter.

The boring tool may include a rotary body detachably coupled to one end of the rotary drive unit at one end, a rotary body rotated by the rotary driving force transmitted from the rotary drive unit, and one end rotatably coupled to a lower end of the rotary body And a plurality of boring bits having a plurality of teeth formed in a radial pattern on the surface contacting the ground or rock.

In this case, the plurality of teeth are made of tungsten.

The details of other embodiments are included in the detailed description and drawings.

According to the small-sized boring apparatus using an excavator according to the embodiment of the present invention, a boring apparatus of a simpler and smaller structure can be detachably attached to an excavator having excellent mobility, And thus the working efficiency can be increased.

In addition, according to the small-sized boring apparatus using the excavator according to the embodiment of the present invention, the boring operation is performed on the ground or the rock by using the boring apparatus of a compact structure, thereby significantly reducing the vibration and noise generated by the boring operation .

In addition, according to the small-sized boring apparatus using the excavator according to the embodiment of the present invention, by changing the working direction of the body part coupled to the pair of engagement joints by using the plurality of engagement parts provided on the body part, , The boring tool can be easily adjusted to a desired working direction without being limited by the working radius range of the arm provided in the excavator.

In addition, according to the small-sized boring apparatus using the excavator according to the embodiment of the present invention, by using the hydraulic motor provided in the rotary drive unit, the power required for the boring operation can be sufficiently obtained while reducing the structure of the rotary drive unit .

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

FIG. 1 is a view schematically showing a structure of a general excavator, and FIG. 2 is a view schematically showing a small boring apparatus using an excavator according to an embodiment of the present invention installed in a general excavator.
FIG. 3 is a perspective view showing a structure of a small-sized boring apparatus using an excavator according to an embodiment of the present invention, and FIG. 4 is a side view schematically showing the structure of a small-sized boring apparatus using an excavator according to an embodiment of the present invention.
FIG. 5 is an exploded perspective view showing a structure of a body part and a rotation driving part in a small boring device using an excavator according to an embodiment of the present invention. FIG. 6 is a cross- And a rotary drive unit.
7 is an exploded perspective view showing a structure of a boring tool in a small boring apparatus using an excavator according to an embodiment of the present invention.
FIG. 8 is a view showing an example of performing a boring operation by installing a small-sized boring apparatus using an excavator according to an embodiment of the present invention in a general excavator. FIG. Fig. 8 is a view showing another example in which a boring apparatus is installed in a general excavator to perform a boring operation.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

In the following description of the embodiments of the present invention, descriptions of techniques which are well known in the technical field of the present invention and are not directly related to the present invention will be omitted. This is for the sake of clarity of the present invention without omitting the unnecessary explanation.

For the same reason, some of the components in the drawings are exaggerated, omitted, or schematically illustrated. Also, the size of each component does not entirely reflect the actual size. In the drawings, the same or corresponding components are denoted by the same reference numerals.

Hereinafter, the present invention will be described with reference to the drawings for explaining a small-sized boring apparatus 1 using an excavator according to embodiments of the present invention.

FIG. 1 is a view schematically showing a structure of a general excavator, and FIG. 2 is a view schematically showing a small boring apparatus using an excavator according to an embodiment of the present invention installed in a general excavator.

A typical excavator (10) performs operations such as excavation for digging the ground in civil engineering, construction, construction site, loading work for carrying soil, crushing work for dismantling the building, suspension work for arranging the ground or rock As the construction machine, there are provided a traveling body serving as a moving part of the equipment, an upper rotating body mounted on the traveling body and rotating 360 degrees, and an arm (11) mounted on the upper rotating body and performing a loading operation by link driving Lt; / RTI >

Such an arm 11 may be provided with a bucket for general digging and earth moving, a hard ground or rock, a breaker for crushing rock and the like, and a crusher used for dismantling and crushing the building. 1 shows an example in which a bucket 20 is installed on an arm 11 of an excavator 10 for general excavation and earth moving. 1, the bucket 20 is installed on a pair of latching members 12 provided at one end of an arm 11 mounted on an upper revolving body of an excavator 10, Can be detachably attached to the pair of latching couplers 12 as needed, for example, in accordance with a change in operation.

2, a small-sized boring apparatus 1 using an excavator according to an embodiment of the present invention includes an arm (not shown) having a pair of latching members 12 so that a bucket 20 can be detachably attached to one end thereof, 11), and can perform a boring operation on the ground or the rock. As described above, the small-sized boring apparatus 1 using the excavator according to the embodiment of the present invention is provided with a simpler and smaller-sized boring apparatus so as to be removably attachable to the excavator 10 having excellent mobility, It is possible to increase the ease of movement to various work places and accordingly the work efficiency. Further, by carrying out a boring operation on the ground or rock by using the boring device of a miniaturized structure, it is possible to remarkably reduce the occurrence of vibration and noise caused by the boring operation.

FIG. 3 is a perspective view showing a structure of a small-sized boring apparatus using an excavator according to an embodiment of the present invention, and FIG. 4 is a side view schematically showing the structure of a small-sized boring apparatus using an excavator according to an embodiment of the present invention.

3 and 4, a small-sized boring apparatus 1 using an excavator according to an embodiment of the present invention includes a body 100, a rotation driving unit 200, and a boring tool 300, .

The body 100 may be detachably connected to the pair of latching couplers 12 through one end thereof. 3, the body part 100 may include a housing 110, a pair of side brackets 120, and a coupling part 130. As shown in FIG. The body part 100 may be detachably coupled to a pair of engaging links 12 provided on the arm 11 of the excavator 10 through the engaging part 130, A plurality of engaging portions 130 may be formed on the outer circumferential surface of the engaging portion 130 to which a pair of engaging members 12 are coupled by having a first engaging portion 130A, a second engaging portion 130B, and a first engaging portion 130C. It is possible to change the working direction of the boring tool 300, which will be described later, according to the position of the body part 100. The specific structure of the body part 100 will be described later in detail with reference to FIG. 5 and FIG.

The rotation driving part 200 is installed inside the body part 100 and can generate rotational driving force. 4, the rotation driving unit 200 may include a driving motor 210, a driving shaft 220, a coupling member 230, a power transmitting member 240, and a supporting member 250 have. The rotation driving unit 200 generates a rotational driving force in a state where it is installed inside the body 100, and can perform a boring operation by rotating the boring tool 300 to be described later. The specific structure of the rotation driving unit 200 will be described later in detail with reference to FIGS. 5 and 6. FIG.

The boring tool 300 is coupled to the rotary drive unit 200 exposed through the other end of the body 100 and is rotated by a rotational driving force transmitted from the rotary drive unit 200 to perform a boring operation on the ground or the rock . 5, the boring tool 300 may be configured to include a rotating body 310 and a plurality of boring bits 320 (e.g., three boring bits 320A, 320B, and 320C) . The boring tool 300 may be rotated by receiving the rotational driving force of the driving motor 210 while being coupled to the engaging member 230 of the rotational driving unit 200. The concrete structure of the boring tool 300 will be described later in detail with reference to FIG.

The boring tool 300 of the small-sized boring apparatus 1 using an excavator according to an embodiment of the present invention may include a boring tool 300 according to a position where the body part 100 is connected to the pair of engaging elements 12, The direction in which it is performed can be changed. As described above, the body part 100 is coupled to the pair of the coupling members 12 provided on the arm 11 of the excavator 10 through the plurality of coupling parts 130, The installation direction of the body 100 is changed according to the position of the coupling part 130 to which the body 12 is coupled, so that the working direction of the boring tool 300 can be changed. An example in which the working direction of the boring tool 300 is changed according to the installation direction of the body part 100 coupled to the pair of engagement coupling bodies 12 will be described in detail with reference to FIG. 8 and FIG.

Hereinafter, the structure of the body part 100 and the rotation driving part 200 of the small-sized boring device 1 using an excavator according to an embodiment of the present invention will be described in detail with reference to FIGS. 5 and 6. FIG.

FIG. 5 is an exploded perspective view showing a structure of a body part and a rotation driving part in a small boring device using an excavator according to an embodiment of the present invention. FIG. 6 is a cross- And a rotary drive unit.

As shown in FIGS. 5 and 6, the body 100 may include a housing 110, a pair of side brackets 120, and a coupling part 130.

The housing 110 forms a basic frame of the body part 100 and a receiving space 111a may be formed therein so that the rotation driving part 200 can be received therein. On both sides of the housing 110, a pair of side brackets 120 may be provided so as to face each other. 5, the housing 110 may include a base body 111, an engaging body 112, and a body cover 113. As shown in FIG.

The base body 111 may be opened up and down along the direction of the rotation axis of the driving motor 210, and a pair of side brackets 120 may be formed on both sides. As shown in FIG. 6, the base body 111 has a substantially cylindrical shape having a hollow portion penetrating vertically, and a coupling end may be formed therein so that a driving motor 210 to be described later can be mounted.

5, the pair of side brackets 120 may have a substantially thin plate shape and may be coupled to a position in contact with the outer peripheral surface of the base body 111 having a cylindrical shape. At this time, the pair of side brackets 120 may have a polygonal cross-section, and the cross-sectional shape of the pair of side brackets 120 may be determined according to the number and arrangement of the coupling portions 130 according to the working direction .

5, the first engaging portion 130A, the second engaging portion 130B, and the third engaging portion 130C are formed to be weak in the center of the second engaging portion 130B in which the three engaging portions 130 are positioned at the center The pair of side brackets 120 may have a pentagonal cross section in the case where the pair of side brackets 120 are formed at intervals of 120 degrees, but the present invention is not limited thereto and can be changed by a person skilled in the art.

5 illustrates an example in which the base body 111 and the pair of side brackets 120 are integrally formed. However, the present invention is not limited thereto. The base body 111 and the pair of side brackets 120 may be separately manufactured Welding, screwing, or the like.

When the upper and lower portions of the coupling body 112 are opened and coupled to the lower end of the base body 111, the receiving space 111a may be formed together with the base body 111, 210 may be coupled to the base body 111 to seal the open top of the base body 111.

5 and 6, the body part 100 may include a coupling part 130 coupled to the pair of side brackets 120 to connect the pair of side brackets 120 at the upper part of the housing 110. Referring to FIG. The coupling part 130 includes a plurality of coupling parts 130A, 130B, and 130C, and a pair of coupling parts 12 are coupled to each other. The respective engaging portions 130 may be spaced apart from each other by an interval corresponding to the distance between the pair of engaging members 12, Preferably, they may be arranged at the same interval as the interval of the pair of latching connectors 12. [

As shown in FIG. 5, the plurality of engaging portions 130 provided on the body 100 include cylindrical shafts 131A, 131B, and 131C that are formed long to be engageable with the pair of engaging members 12 Shape. The plurality of engaging portions 130 are fixed to one or both ends of the cylindrical shafts 131A, 131B and 131C such that they can be assembled and disassembled into a pair of side brackets 120. The fixing members 132A, 132B, 132C. In this case, the cylindrical shafts 131A, 131B, and 131C of the plurality of engaging portions 130 are inserted through the through holes formed in the pair of side brackets 120, and then the one ends or both ends of the cylindrical shafts 131A, And 132C, respectively.

Preferably, at least three coupling portions 130 may be provided, and the body portion 100 may be formed by selecting two coupling portions 130 adjacent to each other among at least three coupling portions 130 And can determine the direction in which the boring tool 300 performs the boring operation by connecting to the engaging link 12 of the pair.

For example, when it is desired to implement n different working directions, the (n + 1) engaging portions 130 can be sequentially arranged at intervals corresponding to the intervals of the pair of engaging connectors 12. [ At this time, it is preferable that the adjacent three coupling portions 130 are not formed in a straight line in the (n + 1) coupling portions 130. That is, it is preferable that the (n + 1) coupling portions 130 are arranged so that the adjacent three coupling portions 130 have an angle of 180 degrees or less around the coupling portion 130 located at the center.

6, the first engaging portion 130A, the second engaging portion 130B, and the third engaging portion 130C are approximately centered on the second engaging portion 130B where the three engaging portions 130 are positioned at the center 120 degrees. However, the present invention is not limited thereto and can be changed by a person skilled in the art.

3 to 6 illustrate an example in which three coupling portions 130 are provided. In the example shown in FIGS. 3 to 6, the first coupling portion 130A and the second coupling portion 130A, which are adjacent to each other, 2 coupling portion 130B may be selected and coupled to the pair of engagement coupling members 12 or the adjacent second coupling portion 130B and the third coupling portion 130C may be selected to form a pair of coupling members 12 To determine the working direction of the boring tool 300.

3 to 6 show an example in which the first coupling part 130A, the second coupling part 130B, and the first coupling part 130C, which are three coupling parts 130, are provided, But the present invention is not limited thereto, and the number and arrangement of the engaging portions 130 can be changed by a person skilled in the art depending on the desired working direction.

As described above, the small-sized boring apparatus 1 using the excavator according to the embodiment of the present invention can be combined with the pair of engaging links 12 by using the plurality of engaging portions 130 provided on the body portion 100, The boring tool 300 can be easily moved in a desired working direction without being limited by the position of the excavator 10 and the working radius range of the arm 11 provided in the excavator 10 by changing the working direction of the body portion 100. [ Can be adjusted.

5 and 6, the rotation driving unit 200 includes a driving motor 210, a driving shaft 220, a coupling member 230, a power transmitting member 240, and a supporting member 250 And the like.

The driving motor 210 is installed in the housing 110 in the accommodation space 111a provided in the body part 100 and can generate rotational driving force. 6, the driving motor 210 may be fixed to the coupling end formed on the base body 111 of the housing 110 using a fastening member such as a bolt.

Preferably, the drive motor 210 may use a hydraulic motor driven by using oil supplied from a tenter. As described above, in the small-sized boring apparatus 1 using the excavator according to the embodiment of the present invention, the drive motor 210 provided in the rotary drive unit 200 is used as the hydraulic motor so that the structure of the rotary drive unit 200 can be miniaturized It is possible to obtain sufficient power for the boring operation.

One end of the drive shaft 220 is connected to the rotation shaft of the drive motor 210 and can be rotated by receiving the rotational drive force from the drive motor 210. The coupling member 230 has one end 231 coupled to the other end of the drive shaft 220 and the other end 232 coupled to the boring tool 300 in a detachable manner, The boring tool 300 can be rotated by the driving force. One end 231 and the other end 232 of the coupling member 230 may be threaded so that the driving shaft 220 and the boring tool 300 can be engaged with each other, although not shown in detail. An engaging groove 233 may be formed on the outer circumferential surface of the engaging member 230 to facilitate fastening or unscrewing of the thread when the driving shaft 220 and the boring tool 300 are engaged.

6, the driving shaft 220 may be disposed so that the rotational axis of the driving motor 210 and the rotational axis of the driving shaft 220 are in a straight line. However, if necessary, And the axis of rotation and the axis of rotation of the drive shaft 220 may be arranged at a constant angle.

The rotation drive unit 200 includes a power transmission member 240 for connecting the rotation shaft of the drive motor 210 and the drive shaft 220 to transmit the rotation drive force from the drive motor 210 to the drive shaft 220 . 6 shows an example in which flange coupling is used as the power transmitting member 240 for connecting the rotation shaft of the drive motor 210 and the drive shaft 220. However, Can be changed by as much as possible.

The rotation driving unit 200 may further include a support member 250 for supporting the rotation of the driving shaft 220. 6 illustrates an example in which a pair of ball bearings are used as the support member 250 for supporting the rotation of the drive shaft 220. However, the present invention is not limited thereto and can be changed by a person skilled in the art .

Hereinafter, the structure of the boring tool 300 of the small-sized boring apparatus 1 using an excavator according to an embodiment of the present invention will be described in detail with reference to FIG.

7 is an exploded perspective view showing the structure of a boring tool in a small boring apparatus using an excavator according to an embodiment of the present invention.

As shown in FIG. 7, the boring tool 300 may include a rotating body 310 and a plurality of boring bits 320.

One end of the rotating body 310 is detachably coupled to one end of the rotation driving part 200 and can be rotated by a rotational driving force transmitted from the rotation driving part 200. The plurality of boring bits 320 (for example, three boring bits 320A, 320B, and 320C) are rotatably coupled to the lower end of the rotating body 310 at one end, and a plurality The teeth 321A, 321B and 321C can be formed radially.

At this time, it is preferable that the plurality of teeth 321A, 321B, and 321C formed on the plurality of boring bits 320A, 320B, and 320C are made of tungsten. In addition, it is preferable that the plurality of the boring bits 320 each have a circular array of the same angular interval on the same plane on one side facing the working direction.

As shown in FIG. 7, the plurality of boring bits 320A, 320B, and 320C have a substantially conical shape, and a rectangular parallelepiped, a quadrangular pyramid, and a spherical tooth 321A, 321B, and 321C are formed at regular intervals on the surface of the conical shape May be formed radially. Each of the boring bits 320A, 320B and 320C has a hollow portion having a predetermined depth at a lower central portion of the rotary body 310. The rotary body 310 has hollow portions 320A, 320B and 320C formed on one side thereof facing the working direction, A cylindrical shaft may be formed to be rotatably coupled to the plurality of boring bits 320A, 320B and 320C. Although not shown in detail, there is a gap between the hollow portion of each of the boring bits 320A, 320B, 320C and the cylindrical shaft of the rotating body 310 to support rotation of each of the boring bits 320A, 320B, 320C A ball bearing and the like may be installed.

In FIG. 7, three boring bits 320A, 320B and 320C are arranged at intervals of 120 degrees. However, the present invention is not limited thereto. The structure of the boring bits 320, the number of the boring bits 320, Etc. can be changed by a person skilled in the art.

Hereinafter, the operation of the small-sized boring apparatus 1 using the excavator according to an embodiment of the present invention will be described in detail with reference to FIGS. 8 and 9. FIG.

FIG. 8 is a view showing an example of performing a boring operation by installing a small-sized boring apparatus using an excavator according to an embodiment of the present invention in a general excavator. FIG. Fig. 8 is a view showing another example in which a boring apparatus is installed in a general excavator to perform a boring operation.

In FIG. 8, in the example of the small-sized boring apparatus 1 using the excavator shown in FIG. 3, the adjacent first coupling portion 130A and the second coupling portion 130 of the three coupling portions 130 provided on the body 100, FIG. 9 shows an example in which the first coupling portion 130B and the third coupling portion 130B are coupled to a pair of the coupling couplers 12. In FIG. 9, And the engaging portion 130C is selected and coupled to the pair of engaging links 12. As shown in Fig.

8, the first engaging part 130A and the second engaging part 130B of the three engaging parts 130 provided on the body part 100 are selected to form a pair of engaging pieces 12 The boring tool 300 is directed to the lower direction (ground or rock) at the initial position of the arm 11 provided in the excavator 10, so that the boring operation on the horizontal surface such as the ground or the rock is performed It can be easily performed.

9, the second engaging portion 130B and the third engaging portion 130C of the three engaging portions 130 provided on the body portion 100 are selected to be engaged with a pair of engaging portions 130, The boring tool 300 is directed to the front (side) at the initial position of the arm 11 provided in the excavator 10, so that the boring operation on the vertical surface such as the tunnel side wall can be facilitated .

As described above, according to the small-sized boring apparatus using the excavator according to the embodiment of the present invention, the boring apparatus of a simpler and smaller-sized structure can be detachably attached to the excavator having excellent mobility, It is possible to increase the ease of movement to the place and the work efficiency accordingly. Further, by carrying out a boring operation on the ground or rock by using the boring device of a miniaturized structure, it is possible to remarkably reduce the occurrence of vibration and noise caused by the boring operation. Further, by changing the working direction of the body coupled to the pair of engagement joints by using a plurality of engagement portions provided on the body portion, a boring tool can be provided without limitation by the position of the excavator, the working radius range of the arm provided in the excavator, You can easily adjust to the desired working direction. In addition, by using a hydraulic motor provided as a drive motor provided in the rotary drive unit, it is possible to sufficiently obtain the power required for the boring operation while reducing the structure of the rotary drive unit.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, And is not intended to limit the scope of the invention. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

Description of the Related Art
1: Small boring device using excavator
10: Excavator 11: Arm (Arm)
12: engaging connector 20: bucket
100: body part 110: housing
120: side bracket 130:
200: rotation drive unit 210: drive motor
220: drive shaft 230: coupling member
240: Power transmission member 250: Support member
300: Boring tool 310: Rotating body
320: Boring bit

Claims (7)

A small-sized boring apparatus using an excavator installed in an excavator including an arm provided with a pair of latching members so that a bucket can be detachably attached at one end thereof and performing a boring operation on a ground or a rock,
A body portion detachably connected to the pair of latching coupling members via one end;
A rotation driving unit installed inside the body and generating a rotational driving force; And
And a boring tool connected to the rotation driving unit exposed through the other end of the body and performing a boring operation on the ground or the rock by rotating by a rotational driving force transmitted from the rotation driving unit,
Wherein the boring tool changes the direction in which the boring operation is performed according to a position where the body portion is connected to the pair of latching members. The method according to claim 1,
The body portion
A housing having a receiving space formed therein;
A pair of side brackets provided on both sides of the housing so as to face each other; And
And at least three engaging portions coupled to the pair of side brackets to connect the pair of side brackets at an upper portion of the housing and disposed at intervals corresponding to the intervals of the pair of engaging members,
Wherein the body part selects two joining parts that are adjacent to each other among the at least three joining parts and connects the joining parts to the pair of engagement pieces to determine a direction in which the boring tool performs the boring operation Small boring device used. 3. The method of claim 2,
The rotation drive unit includes:
A driving motor mounted in the housing inside the accommodation space and generating the rotational driving force;
A drive shaft connected to the rotation shaft of the drive motor, the drive shaft being rotated by receiving the rotation drive force from the drive motor; And
And a coupling member coupled to the other end of the drive shaft at one end and detachably coupled to the boring tool at the other end and rotating the boring tool by the rotational driving force transmitted from the drive shaft. Small boring device using. The method of claim 3,
The housing includes:
A base body having upper and lower portions opened along a rotation axis direction of the drive motor and having the pair of side brackets formed on both sides thereof;
An engaging body for forming the accommodating space together with the base body when the upper and lower portions are opened and engaged with the lower end of the base body; And
And a body cover that seals the open top of the base body when the drive motor is coupled to the base body. The method of claim 3,
Wherein the drive motor is a hydraulic motor driven by using oil supplied from the tilting machine. The method according to claim 1,
Wherein the boring tool comprises:
A rotary body detachably coupled to one end of the rotary drive unit and rotated by the rotary drive force transmitted from the rotary drive unit; And
Wherein the one end is rotatably coupled to the lower end of the rotating body and the surface contacting the ground or the rock includes a plurality of boring bits formed by radially forming a plurality of teeth. The method according to claim 1,
Wherein the plurality of teeth are made of tungsten.

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