KR101162513B1 - Drilling Apparatus for Rock Breaking Method - Google Patents

Abstract

The tip expansion device used for the rock crushing operation according to the present invention, the housing is inserted into a straight hole formed in the rock formed on the side of the side of the tip portion inserted into the drilling hole formed in the through hole; A support plate formed to cover the upper opening of the housing and having a first through hole and a second through hole; A first axis extending in a longitudinal direction while being spaced apart from an inner wall of the housing along a central portion of the housing through the first through hole, and being bent from an upper end of the first axis to be gripped by the user; And a rotation bar formed to rotate the housing, a first protrusion protruding from one side of an outer circumferential surface of the first shaft, a blade formed toward the through hole at a lower end portion of the first shaft, and an upper end of the first shaft. A cutting part including an electric motor formed in the blade to allow the blade to vibrate; A second shaft penetrating the second through hole and spaced apart from a central portion of the housing and extending in a longitudinal direction, and a second protrusion projecting from one side of the outer circumferential surface of the second shaft and having one surface contacting one surface of the first protrusion; And an eccentric moving part formed on an upper end of the second axis to include an eccentric moving lever for allowing the second axis to flow up and down.

Description

Drilling Apparatus for Rock Breaking Method

The present invention relates to a tip expansion device used for rock crushing operation, and more specifically, to form a drill hole by using any drill drill on the rock, and cut to a larger diameter than the other portion at the bottom side of the drilling hole After forming the enlarged portion, the hydraulic cylinder flows up and down in a state where one portion is fixed to the enlarged portion, so that the crack in the horizontal direction is generated by using an arbitrary rocking device that applies pressure in the vertical direction to the rock. The present invention relates to a tip expanding apparatus which is used for breaking a rock more quickly and easily to form an expanding portion in the drilling hole.

In general, the crushing process of rock and concrete forms a straight hole in the rock and concrete layer, and uses the hole to induce the cracking of the rock and concrete using a rock drill, a kind of construction machine. .

The hazel is a hydraulic pump comprising an electric or air motor type hydraulic pump and a transformer, an accumulator, an oil filter, and the like, a wiring line extending from the hydraulic providing device, a haul rod mounted at the end of the wiring line, the haul rod It includes a plurality of pistons and the like mounted on the one side protruded in the longitudinal direction, and the rock light concrete at the horizontal pressure by the protrusion movement of the piston after inserting the haul rod into the straight hole This is to cause cracks in the.

The use of the perforated hole and the rock drill can be easily and conveniently crushed rock and concrete having a high strength and less noise, vibration, dust, etc. compared to the method such as gunpowder blasting is used in a relatively large number of workplaces As the pistons formed on the rock rods sequentially protrude in the horizontal direction, the rock layer of a specific portion in the drilling hole does not crack even when the piston is pressed, so that the rock layer does not break evenly, and the rock layer is not broken even by using the rock drill. If not, the hassle, such as need to bury the haul rod again.

Therefore, in order to make rock crushing safer while ensuring the speed and efficiency, the shape of the perforation hole is deformed and the new swelling device used for the new and advanced rock crushing work used in the method of crushing the rock with vertical pressure. It is a setting that needs development.

SUMMARY OF THE INVENTION The present invention has been made to overcome the problems of the above technique, and includes a housing including a through hole, a support plate, a first shaft, a rotation bar, a first protrusion, a blade, and a cutting portion including an electric motor, and a second shaft, a first shaft. The main object of the present invention is to comprise an eccentric moving part including a protruding part and an eccentric moving lever, and to form an expanding part in the tip portion of the straight drilling hole formed in the rock using an arbitrary drilling drill.

Another object of the present invention is to form a thread corresponding to each other on the inner wall of the second through hole of the support plate and the outer circumferential surface of the upper portion of the second shaft, and turn the eccentric shift lever to lower the second shaft more easily. To make it flow.

Still another object of the present invention is to increase efficiency and enhance durability by forming the first and second tapered portions at the portions where the first and second protrusions abut to each other to allow the sliding movements more stably.

It is a further object of the present invention to provide an elastic spring that connects the inner wall of the housing and the first axis, such that the first axis is arbitrarily provided to have elasticity against the lateral pressure applied to the first axis. Is not to flow.

A further object of the present invention is to further include a second shaft fixing frame 146 inside the housing so that the second shaft fixing frame 146 is not moved to the left or right when the second shaft is lifting and lowering. To hold the two axes.

In order to achieve the above object, the tip expansion device used in the rock crushing operation according to the present invention is formed to be inserted into the drilling hole of the straight line formed in the rock using any drill drill, but the tip is inserted into the drilling hole A housing having a through hole formed at one side of the site; A support plate formed to cover the upper opening of the housing and having a first through hole and a second through hole; A first axis extending in a longitudinal direction while being spaced apart from an inner wall of the housing along a central portion of the housing through the first through hole, and being bent from an upper end of the first axis to be gripped by the user; And a rotation bar formed to rotate the housing, a first protrusion protruding from one side of an outer circumferential surface of the first shaft, a blade formed toward the through hole at a lower end portion of the first shaft, and an upper end of the first shaft. A cutting part including an electric motor formed in the blade to allow the blade to vibrate; A second shaft penetrating the second through hole and spaced apart from a central portion of the housing and extending in a longitudinal direction, and a second protrusion projecting from one side of the outer circumferential surface of the second shaft and having one surface contacting one surface of the first protrusion; And an eccentric moving part formed on an upper end of the second axis to include an eccentric moving lever for allowing the second axis to flow up and down.

In addition, threads corresponding to each other are formed on the inner wall of the second through hole of the support plate and the upper portion of the upper portion of the second shaft, and the second shaft is lifted along the threads by turning the eccentric shift lever. It features.

In addition, the first protrusion may include a first taper portion having one surface inclined, and the second protrusion portion may include a second taper portion inclined so that one surface is in sliding contact with the first taper portion. .

In addition, the housing is characterized in that an elastic spring is formed to connect the inner wall of the housing and the first axis in the transverse direction.

In addition, the second axis of the housing further includes a second shaft fixing frame 146 having a space for connecting the inside of the housing in a transverse direction and having the second shaft penetrating on one side thereof. The second shaft is fixed so as not to flow from side to side during this lifting movement.

When using the tip expansion device used for rock crushing operation according to the present invention,

1) It is possible to transmit pressure more efficiently by causing cracks in the horizontal direction to the rock.

2) more hygienic due to the reduced number of rock fragments,

3) The force concentration effect enables rock fracture to be performed in a shorter time.

4) It is also easier to dismantle the device after crushing rock.

1 is a cross-sectional view showing the basic configuration of the tip expansion device used for rock crushing operation according to the present invention.
Figure 2 is a cross-sectional view showing an embodiment of the tip expansion device according to the present invention.
Figure 3 is an enlarged cross-sectional view of the tip expansion device according to the present invention.
Figure 4 is a cross-sectional view showing the expansion of the drilling hole after the operation of the tip expansion device according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings are not drawn to scale and wherein like reference numerals in the various drawings refer to like elements.

The tip expansion device used for rock crushing work according to the present invention is to form a dilating portion at the tip (bottom side) of the perforation hole formed for crushing rock and concrete, and any crusher uses the dilating part. By applying the force in the vertical direction to the rock so that the crack in the horizontal direction can be more stable and easier to break the rock and concrete layer to proceed.

1 is a cross-sectional view showing the basic configuration of the tip expansion device according to the present invention, Figure 2 is a cross-sectional view showing an embodiment of the tip expansion device according to the present invention.

As can be seen from Figures 1 to 2, the tip expansion device used in the rock crushing operation according to the present invention includes a housing 110, the cutting portion 130 and the eccentric moving part 140 to be organically operated with each other Consists of.

Prior to the description of the tip expansion device used for the rock crushing operation, the basic principle of the rock crushing operation using the same will be described first.

In the rock crushing operation using the tip expanding apparatus, a plurality of drilling holes 10 are formed on the rock surface by using a conventional drilling drill, and the tip expanding apparatus 100 is provided inside the drilling holes 10. After insertion, an expansion tip 10a is formed in which the insertion tip, that is, the diameter of a predetermined portion of the bottom side of the drilling hole 10 is formed, and an optional rock-arm device 200 is inserted into the drilling hole 10. After inserting a lower portion into the expansion portion 10a and fixing the lower portion 200a, the haul device 200 operates in a vertical direction to apply pressure to a portion around the expansion portion 10a of the drilling hole 10 to the rock. It is to rock the rock by causing the horizontal crack to occur.

In the above-described working process, the tip expansion device 100 is inserted into the drilling hole 10 to serve to form the expansion portion 10a at the insertion tip, which will be described in detail below. Do it.

Here, the upper side means the surface side of the rock, the lower side means the inner side of the rock and the bottom surface of the drilling hole 10 means the inner side of the rock, that is, the lower end of the drilling hole 10. Other direction words are also based on the drawings.

The housing 110 is formed in a cylindrical shape so as to be inserted into the drilling hole 10 to serve as a case 210 for allowing the cutting unit 130 and the eccentric moving unit 140 to be provided. One side of the housing 110 has a circumference (side) of about 40 to 60 mm away from a tip (bottom) inserted into the drilling hole 10 so that the blade 134 of the cutting unit 130 to be described later is exposed. The through hole 111 formed therethrough is provided, and the through hole 111 provides a space where the blade 134 can be exposed so that the blade 134 abuts against the rock on the inner wall of the drilling hole 10. To cut the rock. The cutting process will be described later.

The upper opening of the housing 110 is formed with a disk-shaped support plate 120 having first and second holes to cover the upper opening, the support plate 120 is a cutting portion 130 to be described later And the eccentric moving part 140 to be fixed.

The first through hole 121 penetrates from the central portion of the support plate 120 and extends slightly toward the outside, and the second through hole 122 extends on a straight line extending from the portion where the first through hole 121 is provided. It is formed through the portions spaced apart at regular intervals in the opposite side direction of the extension direction.

The first through hole 121 is a first axis 131 of the cutting unit 130, which will be described later by passing through the central portion of the support plate 120 after ensuring a certain level of space that can be moved slightly to the outside by the The first shaft 131 is fixed and at the same time serves to limit the movement path, the second through-hole 122 is the second shaft 141 of the eccentric moving unit 140 to be described later the support plate 120 It acts as a medium through which it can penetrate. In particular, the reason why the first through hole 121 penetrates from the center portion of the support plate 120 and extends outward is that the first shaft 131 penetrates through the first through hole 121. In order to be able to move the eccentric in, which will be described later together with the eccentric moving unit 140.

The cutting part 130 basically includes a support plate 120, a blade 134, a first protrusion 132, a rotation bar 133, and an electric motor 135 based on the first axis 131. The first shaft 131 forms an axis of the cutting unit 130 and extends in the longitudinal direction in a state spaced apart from an inner wall of the housing 110 along a central portion of the housing 110. It is disposed to pass through the first through hole 121 of the support plate 120 provided on the upper side of the housing 110.

At this time, one side of the first shaft 131, a plurality of first shaft fixing frame 136 of the same shape as the tray connecting the one side of the inner wall of the housing 110 and the first shaft 131 is formed Can be. The first shaft fixing frame 136 is in a horizontal direction when the first shaft 131 is connected to the first shaft fixing frame 136 when the first shaft 131 is moved by an eccentric moving part to be described later. The axial movement of the first shaft 131 may be more stable by allowing it to flow and move in a sliding manner along the formed first axis.

In addition, an elastic spring 137 may be further formed inside the first shaft fixing frame 136.

The elastic spring 137 is a spring having a high elasticity so that one end is connected to the housing side end of the first shaft fixing frame 136 and the other end is connected to one side of the first shaft 131, the elastic The spring 137 has elasticity opposite to the pressure in the lateral direction applied to the first shaft 131 so that the first shaft 131 does not flow irregularly by the pressure by the eccentric moving part. In other words, since the elastic spring 137 is provided, the eccentric movement of the first shaft 131 can be made finer and more accurate.

The first shaft 131 is formed with a rotation bar 133 to rotate the first shaft 131 together with the housing 110 at the upper end of the first shaft 131. The rotation bar 133 serves to transmit a force so that the entire housing 100 including the first shaft 131 can be rotated 360 ° in a state in which the user grips by hand.

In addition, a blade 134 is formed at one side outer circumferential surface of the lower portion of the first shaft 131, and preferably, may be formed at a portion spaced 40 to 60 mm upward from a lower end of the first shaft 131. However, the position can be changed as needed and is not limited to a specific point of course.

The blade 134 is formed to face the through hole 111 provided in the housing 110 so that when the first shaft 131 is moved by the eccentric moving unit 140 to be described later, the through hole ( It penetrates through 111 to contact the rock on the bottom side of the drilling hole 10 so that the rock can be cut.

Since the blade 134 is a function of cutting the rock, it should be made of a material that guarantees a certain level of strength, and a plurality of blades 134 may be provided to enhance durability and cutting function.

In order to allow the blade 134 to cut the rock, an electric motor 135 that provides power to vibrate the blade 134 should be provided. The electric motor 135 may include the first shaft ( It is preferable to be provided at the upper end of the 131 to be able to vibrate the blade 134 via the first shaft 131.

The electric motor 135 allows the blade 134 to vibrate to cut the rock contacted with the blade 134. Since the detailed configuration and operation of the electric motor 135 are well-known techniques, description thereof will be omitted. .

Referring to a simple operation of the cutting unit 130 having the above-described configuration, the blade 134 penetrates the through hole 111 in a state where the electric motor 135 is operated to form an inner wall of the drilling hole 10. When contacted to one side, the blade 134 is vibrated by the power of the electric motor 135, the rock wall is cut, by holding the rotary bar 133 to rotate the first shaft 131 by The blade 134 rotates to cut around the inner wall of the drilling hole 10.

However, the blade 134 may not be inserted into the drilling hole 10 when the blade 134 penetrates the through hole 111 and is exposed to the outside. In the state of being located inside the housing 110, the blade 134 is not in contact with the rock, or even if the area is so narrow that the cutting process can not be performed, so that the blade 134 and the rock In order to be in full contact and to be able to move forward into the rock, the cutting portion 130 needs to be moved to a certain level of eccentricity at the center of the housing 110. Therefore, the tip expansion device 100 according to the present invention is provided with an eccentric moving part 140.

Before the description of the eccentric moving part 140, the blade 134 penetrates the through hole 111 by the first shaft 131 interacting with the eccentric moving part 140 to move the eccentrically. In order to be in contact with one side of the inner wall of the drilling hole 10, one side of the outer circumferential surface of the first shaft 131 interacts with the second protrusion 142 of the eccentric moving part 140 to be described later 1 is formed with a protrusion 132, the first protrusion 132 is made of a vertical cross-section similar to the right triangle shape as shown in Figure 1, the first tapered portion (132a) formed to be inclined to form a hypotenuse of the right triangle Is formed to face the side provided with the eccentric moving part 140.

In this case, the first protrusion 132 has a vertical longitudinal side coupled to one side of the outer circumferential surface of the first shaft 131, and a vertical horizontal side is provided below the upper side so that the upper end of the first tapered portion 132a is vertical. It is preferable to be coupled to the upper end of the side and the lower end of the first tapered portion 132a to be coupled to one end of the horizontal side. This is for the pressure applied by the second protrusion 142 to be stronger in the process of eccentric movement of the first shaft 131 by the pressure by the second protrusion 142 to be described later.

The eccentric moving part 140 is basically provided with a second shaft 141, and is provided on one side of the outer circumferential surface of the second shaft 141 and the first tapered portion 132a of the first protrusion 132 and The second protrusion 142 having the second tapered portion 142a and the second protrusion 142 apply pressure to the first protrusion 132 so that the first shaft 131 moves eccentrically. It includes an eccentric movement lever 143 for controlling the flow of the second protrusion 142 to move up and down.

The second shaft 141 is spaced apart from the inner circumferential surface of the cylindrical housing 110 as in the cutting unit 130 is formed along the longitudinal direction, spaced apart from the center portion of the housing 110 Extend along the affected area. The upper end of the second shaft 141 is connected through the second through hole 122 of the support plate 120.

Unlike the first shaft 131, the second shaft 141 needs to perform only a lifting movement without a lateral flow, and thus, a plurality of second shaft fixing frames 146 may not swing from side to side during the lifting movement. It may be further provided with.

The second shaft fixing frame 146 has a shape such as to connect the inside of the housing in the transverse direction, and has a space through which the second shaft 141 can penetrate the second shaft ( 141) to be fixed through. Since the second shaft fixing frame 146 is provided, the second shaft 141 may be moved up and down while penetrating one side of the second shaft fixing frame 146 and at the same time, the shaking of the left and right sides may be restricted. It can be.

The second protrusion 142 is provided toward the side on which the first protrusion 132 is formed at one side of the outer circumferential surface of the second shaft 141, as shown in FIGS. 1 to 2, and the first protrusion 132. The second tapered portion 142a is brought into contact with the first tapered portion 132a of the cross section, and the longitudinal section thereof has a right triangle shape. That is, the vertical vertical side is coupled to one side of the outer circumferential surface of the second axis 141, and the vertical horizontal side extends from the upper end of the vertical vertical side, so that the vertical vertical side and the vertical horizontal side are connected with the first tapered portion 132a. It is formed including a second tapered portion (142a) that can be contacted. The second protrusion 142 flows up and down to eccentrically move the cutting part 130 by applying pressure to the first protrusion 132.

An eccentric moving lever 143 is provided at the upper end of the second shaft 141, that is, the end exposed to the surface side of the rock when inserted into the drilling hole 10. The eccentric movement lever 143 allows the second shaft 141 to flow up and down so that the second protrusion 142 exerts pressure on the first protrusion 132 so that the first shaft 131 is moved. The second shaft 141 may be moved up and down by holding the eccentric movement lever 143 and pressing or turning the eccentric movement lever 143.

For example, the second shaft 141 is formed by turning the eccentric movement lever 143 by forming threads corresponding to each other on the inner wall of the second through hole 122 and the upper outer circumferential surface of the second shaft 141. It is possible to be able to flow up and down by the thread and at the same time to be able to adjust the movement range, but the means for the vertical movement of the second shaft 141 is not limited to a specific one.

Figure 3 is an enlarged cross-sectional view of the top of the tip expansion device according to the present invention, Figure 4 is a cross-sectional view showing the expansion of the drilling hole after the operation of the tip expansion device according to the present invention.

An embodiment of the tip expansion device 100 including the housing 110, the cutting part 130, and the eccentric moving part 140 will be described with reference to FIGS. 3 to 4 again. Insert the tip expansion device 100 including the blade 134 in the eccentric movement, so that the blade 134 abuts on one side of the inner wall of the drilling hole (10). That is, by allowing the second shaft 141 to move downward by using the eccentric movement lever 143, the second protrusion 142 presses the first protrusion 132 so as to press the first shaft. To allow 131 to move eccentrically. As a result, the blade 134 penetrates through the through hole 111 of the housing 110 and comes into contact with one side of the inner wall of the drilling hole 10.

Thereafter, a groove is formed in one side of the inner wall of the drilling hole 10, and the blade 134 is rotated 360 ° so that the groove extends along the inner wall circumference of the drilling hole 10 so that the expansion part 10a is formed. ). In other words, the electric motor 135 is operated to allow the blade 134 to cut one side of the inner wall of the drilling hole 10 by the action of the electric motor 135. Afterwards, the blade 134 gradually cuts one side of the inner wall of the drilling hole 10 to form a groove. At this time, the depth of the groove, that is, the depth from one side surface of the inner wall of the drilling hole 10 is preferably 3 to 5mm for stable coupling with one portion of the haul device 200 to be described later.

In addition, the blade 134 rotates around the inner wall of the drilling hole 10 by holding the rotating bar 133 and slowly rotating the entire housing 100 while the electric motor 135 is operating. To move along and to expand the entire periphery of the front end of the drilling hole (10).

Finally, by using the eccentric moving lever 143 again to move the eccentric moving part 140 to the upper side as shown in Figure 4, after the blade 134 enters the inside of the housing 110, Formation of the dilation part 10a is complete | finished by taking out the front-end | expansion apparatus 100 from the said drilling hole 10. FIG.

After the expansion portion 10a is formed at the tip of the drilling hole 10 by the above-described method, any rock-forming device formed by including a hydraulic cylinder is inserted into the drilling hole 10, and then In the state where the lower end side is fitted to the expansion portion (10a) to be fixed by applying a pressure in the vertical direction to the lower end of the drilling hole 10 using a hydraulic or the like to fracture the rock by the conventional horizontal pressure Compared to rock crushing work, more efficient and faster haul rock work will be possible.

As described so far, the configuration and operation of the tip expanding apparatus used for the rock crushing operation according to the present invention have been expressed in the above description and the drawings, but this is merely an example and the idea of the present invention is limited to the above description and the drawings. Of course, various changes and modifications are possible without departing from the technical spirit of the present invention.

10: drilling hole 10a: expansion
100: tip expansion device 110: housing
111: through hole 120: support plate
121: first aperture 122: second aperture
130: cutting portion 131: first axis
132: first protrusion 132a: first taper
133: rotating bar 134: blade
135: electric motor 136: first shaft fixing frame
137: elastic spring 140: eccentric moving part
141: second axis 142: second projection
142a: second tapered portion 143: eccentric shift lever
146: second shaft fixing frame

Claims (5)

As a tip expansion device for rock fracture,
A housing formed so as to be inserted into a straight boring hole formed in the rock using an arbitrary boring drill, and having a through hole formed at one side of the tip portion inserted into the boring hole;
A support plate formed to cover the upper opening of the housing and having a first through hole and a second through hole;
A first shaft extending in the longitudinal direction through the first through hole and spaced apart from an inner wall of the housing along a central portion of the housing;
A rotation bar bent at an upper end of the first shaft to be gripped by a user to rotate the first shaft and the housing;
A first protrusion protruding from one side of an outer circumferential surface of the first shaft,
A blade formed toward the through hole at a lower end portion of the first shaft,
A cutting part including an electric motor formed on an upper end of the first shaft to allow the blade to vibrate;
A second shaft extending through the second through hole and spaced apart from a central portion of the housing in the longitudinal direction;
A second protrusion protruding from one side of the outer circumferential surface of the second shaft, the one surface of which is in contact with one surface of the first protrusion;
An eccentric moving part including an eccentric moving lever which is formed on an upper end of the second shaft to allow the second axis to flow up and down. The method of claim 1,
On the inner wall of the second through hole of the support plate and the outer peripheral surface of the upper portion of the second shaft,
Threads corresponding to each other are formed,
And the second shaft is elevated along the screw thread by turning the eccentric shift lever. The method of claim 1,
The first protrusion,
One surface includes a first tapered portion formed to be inclined,
The second protrusion,
Rock-breaking front end expansion device, characterized in that the surface is in contact with the first tapered portion includes a second tapered portion inclined so as to slide. The method of claim 1,
Inside the housing,
An elastic spring is formed to connect the inner wall of the housing and the first axis in a transverse direction,
A rock crushing tip expansion device, characterized in that it has elasticity against a pressure in the lateral direction applied to said first axis so that said first axis does not flow arbitrarily by pressure. The method of claim 1,
Inside the housing,
Further comprising a second shaft fixing frame for connecting the inside of the housing in the transverse direction and having a space through which the second shaft can pass through,
A rock crushing tip expansion device, characterized in that the second shaft is fixed so that the second shaft does not flow from side to side during the lifting movement.

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