KR102653137B1 - Vibration module for casing perforation device - Google Patents

Abstract

The present invention relates to a vibration module for a casing drilling device that is connected to a drilling device and fixes a box frame surrounding a multi-axis auger. The vibration module includes a housing that is penetrated upward and downward so that the multi-axis auger penetrates; A wire type bundle provided on the upper side of the housing and connected to a perforation device; a buffer provided between the upper side of the housing and the wire type bundle; A tong part provided on the lower side of the housing to secure the box frame; And a motor provided in the housing; the technical feature is that it includes a.

Description

Vibration module for casing drilling device {VIBRATION MODULE FOR CASING PERFORATION DEVICE}

The present invention relates to a vibration module for a casing drilling device.

More specifically, the casing drilling device, which is equipped with a multi-axis auger and can drill a large area at once, is equipped with a vibration module with a vibrator function, thereby reducing the overload applied to the drilling device during penetration and extraction, and providing excellent rotational power of the auger. It relates to a vibration module for a casing drilling device that can maintain high quality strength by increasing the mixing agitation force.

In general, a casing drilling device is a device that drills the ground for inserting and placing piles to form the foundation of a structure, and uses an auger to drill the ground.

Methods for drilling the ground using these augers include DRA (Double Rod Auger), PRD (Precution Rotary Drill), CIP (cast in concrete pile), and SAIP (Special). auger & soil cement injected precast pile), etc.

This perforation method is performed by inserting the casing simultaneously with the perforation so that the wall formed by the perforation can be maintained.

However, the conventional casing drilling method has a problem in that the working time for drilling the pile hole is too long, which causes a load due to friction with the rock layer, which causes economic losses such as damage to the equipment.

In addition, it is difficult to check the bending and verticality of the auger during drilling, making it difficult to secure the straightness (verticality) of the pile insertion hole. As a result, there is a problem that the pile insertion is not performed smoothly, and furthermore, it is difficult to secure the strength that decreases during the pouring process. There is a problem in that a large loss of cement occurs.

Registered Patent Publication No. 10-2091691 (2020.03.16.)

The present invention was created to solve the above problems, and the problem to be solved by the present invention is to provide a vibration module with a vibrator function in a casing drilling device that is equipped with a multi-axis auger and can drill a large area at once, The purpose is to provide a vibration module for a casing drilling device that can maintain high quality strength by reducing the overload applied to the drilling device during insertion and extraction and increasing the mixing stirring force by the excellent rotational force of the auger.

In addition, another problem to be solved by the present invention is that when drilling using an auger, by using a box frame to protect it, the verticality of excavation can be confirmed and the straightness (verticality) of the pile hole can be secured. The purpose is to provide a vibration module for a casing drilling device.

In addition, another problem to be solved by the present invention is to enable multi-axis drilling using a plurality of augers inside the box frame, thereby shortening the working time and improving efficiency compared to a conventional device that drills by inserting a single auger. The purpose is to provide a vibration module for a casing drilling device that can

In order to solve the above problems, the vibration module for the casing drilling device according to the present invention is connected to the drilling device and fixes the box frame surrounding the multi-axis auger. In the vibration module, the multi-axis auger penetrates. A housing that is preferably penetrating from the top and bottom; A bundle of wire types provided on the upper side of the housing and connected to the perforation device; A buffer portion provided between the upper side of the housing and the wire type bundle; A clamp provided on the lower side of the housing to secure the box frame; The present invention seeks to solve technical problems by providing a vibration module for a casing drilling device, which includes a motor provided in a housing.

In the present invention, a vibration module with a vibrator function is provided in a casing drilling device that is equipped with a multi-axis auger and can drill a large area at once, thereby reducing the overload applied to the drilling device during penetration and extraction, and the excellent rotational force of the auger. It has a remarkable effect of maintaining high quality strength by increasing mixing agitation force.

In addition, the present invention has the remarkable effect of ensuring the straightness (verticality) of the pile hole by making it possible to check the verticality of excavation by using a box frame to protect it during drilling work using an auger. there is.

In addition, the present invention allows multi-axis drilling using a plurality of augers inside the box frame, and has the remarkable effect of shortening working time and improving efficiency compared to conventional devices that drill by inserting a single auger. there is.

Figure 1 is a diagram showing an example in which the vibration module for a casing drilling device according to the present invention is applied.
Figure 2 is a side view showing the vibration module in the vibration module for the casing drilling device according to the present invention.
Figure 3 is a front view showing the vibration module in the vibration module for the casing drilling device according to the present invention.
Figure 4 is a perspective view showing the tongs in the vibration module for the casing drilling device according to the present invention.
Figure 5 is a front cross-sectional view showing the tongs in the vibration module for the casing drilling device according to the present invention.
Figure 6 is a front cross-sectional view showing an example in which the box frame is fixed through the tongs in the vibration module for the casing drilling device according to the present invention.
Figure 7 is a plan view showing the leader guide frame in the vibration module for the casing drilling device according to the present invention.
Figure 8 is a front view showing the box frame in the vibration module for the casing drilling device according to the present invention.
Figure 9 is a plan side cross-sectional view showing the box frame in the vibration module for the casing drilling device according to the present invention.
Figure 10 is a plan view showing various shapes of the box frame in the vibration module for the casing drilling device according to the present invention.
Figure 11 is a front cross-sectional view showing another embodiment of the load band in the vibration module for the casing drilling device according to the present invention.

Advantages and features of the embodiments of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and may be implemented in various different forms. The present embodiments are merely provided to ensure that the disclosure of the present invention is complete, and that it is common knowledge in the technical field to which the present invention pertains. It is provided to fully inform those who have the scope of the invention, and the present invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

In describing embodiments of the present invention, if a detailed description of a known function or configuration is judged to unnecessarily obscure the gist of the present invention, the detailed description will be omitted. In addition, the terms and words used in the specification and claims are terms defined in consideration of the functions in the embodiments of the present invention, and should not be construed as limited to the usual or dictionary meaning, and the inventor does not disguise his or her invention. In order to explain it in the best way, it must be interpreted as meaning and concept consistent with the technical idea of the present invention based on the principle that the concept of the term can be appropriately defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention and do not represent the entire technical idea of the present invention, so various equivalents can be substituted for them at the time of filing the present application. It should be understood that there may be variations.

Hereinafter, before explaining with reference to the drawings, matters that are not necessary to reveal the gist of the present invention, that is, known configurations that can be easily added by a person skilled in the art will not be shown or described in detail. Let me make it clear that I did not.

First, before describing various embodiments of the present invention in detail with reference to the accompanying drawings, the directions (e.g., “front”, “back”, “left”) of the components described in the following detailed description or shown in the drawings , “right”, “top”, “bottom”, “superior”, “bottom”, “lateral”, “longitudinal”, “frontal”, “dorsal”, “one side”, “other side”, “medial” and “ Regarding terms such as "outside"), it does not simply indicate or mean that it must have a specific direction, and the description of this direction is intended to facilitate explanation of the components with reference to the attached drawings.

The vibration module for the casing drilling device according to the present invention is equipped with a plurality of augers 300 and is multi-axial, so the casing drilling device capable of drilling a large area at once is equipped with a vibration module 100 having a vibrator function. This relates to a vibration module for a casing drilling device that can maintain high quality strength by reducing the overload applied to the drilling device during insertion and extraction and increasing the mixing stirring force by the excellent rotational force of the auger 300.

Hereinafter, the vibration module for a casing drilling device according to the present invention will be described in detail with reference to the attached drawings.

Figure 1 is a diagram showing an example in which the vibration module for a casing drilling device according to the present invention is applied.

First, the casing drilling device is a conventional drilling device that penetrates the casing while drilling the ground with an auger 300. By connecting a multi-axis auger 300 to the drilling device 10, a large area can be drilled at once. However, a box frame 200 surrounding the multi-axis auger 300 is provided, and a vibration module 100 that connects the drilling device 10 and the box frame 200 and has a vibrator function is provided. do.

The operation of the casing drilling device 10 rotates the multi-axis auger 300 to allow downward excavation, that is, penetration into the ground. However, by entering the box frame 200 together, the multi-axis auger 300 is safely protected. This minimizes the risk of overturning and prevents a large amount of soil from being mixed with cement during drilling work, significantly lowering the rate of mixture (waste) generation, which has the advantage of reducing the amount of cement used.

Furthermore, the process of inserting or pulling out the box frame 200 into the ground is performed more smoothly by the vibration module 100 having a vibrator function.

Figure 2 is a side view showing the vibration module in the vibration module for the casing drilling device according to the present invention, and Figure 3 is a front view showing the vibration module in the vibration module for the casing drilling device according to the present invention.

The vibration module 100 is connected to the drilling device 10 and performs the function of fixing the box frame 200 surrounding the multi-axis auger 300, including the housing 110, the wire type bundle 120, and the buffer unit. It is configured to include (130), a clamp unit (140), a motor (150), and a leader guide frame (160).

This vibration module 100 has a vibrator function through the operation of the motor 150, thereby providing a vibration effect to the box frame 200, which is fixed, so that insertion or extraction from the ground occurs more smoothly.

The housing 110 serves as the body of the vibration module 100 and includes an upper plate 111, a lower plate 112, a wall 113, and a pillar 114.

The upper plate 111 is provided on the upper side and is made in the form of a square frame with an empty middle so that the multi-axis auger 300 passes through it.

The lower plate 112 is provided to be spaced apart from the lower side of the upper plate 111, and is made in the form of a square frame with an empty middle so that the multi-axis auger 300 passes through it.

The wall 113 is provided to connect the upper plate 111 and the lower plate 112.

At this time, the wall 113 is configured to connect the front and back sides of the upper plate 111 and the lower plate 112, so that the upper, lower, left, and right sides can be formed in a penetrating form.

The pillar 114 connects the upper plate 111 and the lower plate 112 and may be provided at each corner of the upper plate 111 and the lower plate 112 in the form of a square frame.

That is, four pillars 114 may be provided at each corner of the square frame-shaped upper plate 111 and lower plate 112 to be spaced apart from each other.

These multiple pillars 114 can strengthen the bonding force between the upper plate 111 and the lower plate 112 and ensure structural durability.

The wire type bundle 120 is provided on the upper side of the housing 110 and is connected to the perforation device 10.

The buffer unit 130 is provided between the upper side of the housing 110 and the wire type bundle 120.

This buffer unit 130 is composed of a compression spring and performs a buffer function.

At this time, the buffer portion 130 may be provided at each corner of the upper plate 111 of the housing 110 to allow the housing 110 to be more stably towed by the wire type bundle 120 and may be composed of four pieces.

Figure 4 is a perspective view showing the tongs in the vibration module for a casing drilling device according to the present invention, Figure 5 is a front cross-sectional view showing the tongs in the vibration module for a casing drilling device according to the present invention, and Figure 6 is a casing according to the present invention. This is a front cross-sectional view showing an example of a box frame being fixed through a clamp in a vibration module for a drilling device.

The tongs 140 are provided on the lower side of the housing 110 and perform the function of fixing the box frame 200, including the cut groove 141, the through hole 142, the cylinder 143, and the adhesion member 144. ) and consists of

At this time, the tongs 140 may be provided on the front and back sides or the left and right sides of the housing 110 and may be formed as a pair.

For example, as shown in the attached drawing, it may be provided on the left and right sides of the bottom of the housing 110, respectively.

That is, it may be provided on both sides at the bottom of the housing 110 to be spaced apart from each other and connect the upper portions of the box frame 200 on both sides.

The cut groove 141 provides a space where the middle portion of the clamp portion 140 is cut upward and the upper portion of the box frame 200 is inserted.

As shown in FIG. 4, the cut groove 141 is formed to communicate with the front and rear sides of the tongs 140 so that the upper part of the box frame 200 can be inserted into the cut groove 141 without interference.

The through hole 142 is formed to penetrate one side and the other side so as to communicate with the incision groove 141.

The cylinder 143 is provided on the side of the tongs 140, operates to have a variable length through the through hole 142, and has the function of pressing the outer peripheral surface of the box frame 200 inserted into the incision groove 141 during operation. Perform.

The adhesion member 144 is formed in a form that protrudes outward from one or more selected from the end of the cylinder 143 or the other side of the tongs 140 where the cutting groove 141 is formed, and is inserted into the cutting groove 141. It is in close contact with a portion of the outer peripheral surface of the box frame 200 so that the box frame 200 can be supported more firmly.

An example of the operation of the tongs 140 with this configuration will be described with reference to FIG. 6. First, the upper part of the box frame 200 is inserted into the cut groove 141, and then the cylinder 143 is operated to penetrate. The end of the cylinder 143, whose length is variable through the ball 142, presses the outer peripheral surface of the box frame 200 inserted into the cut groove 141, thereby connecting the box frame 200 to the lower side of the vibration module 100. It becomes possible.

At this time, friction with the outer peripheral surface of the box frame 200 is increased by the adhesion member 144 so that the box frame 200 can be more firmly connected.

Depending on design conditions, the tongs 140 configured as described above may be configured to be able to slide to both sides on the lower side of the housing 110.

This allows the spacing between a pair of tongs 140 to be adjusted, so that even if the box frame 200, which will be described later, is configured to have various shapes and sizes depending on the number of axes on which the multi-axis auger 300 is arranged, a pair of tongs 140 can be adjusted. The box frame 200 can be firmly connected by the tongs 140 of .

As an example, long rails (not shown in the drawing) may be provided on both sides of the lower side of the housing 110, and a clamp unit 140 may be connected to slide along the rails.

The motor 150 is provided in the housing 110 and operates by receiving electrical energy, thereby allowing the vibration module 100 to have a vibrator function.

That is, as the motor 150 operates, vibration is generated in the box frame 200 connected to the vibration module 100, and when the box frame 200 is driven into the ground or pulled out, the plunger and pullout occur due to the vibration effect. Make it happen more smoothly.

At this time, as shown in the attached drawing, the motor 150 is provided between the upper plate 111 and the lower plate 112 of the housing 110, and is provided on the left and right sides of the wall 113 in the form of a square frame, respectively. It can be done as a pair.

Depending on the design conditions, the pair of motors 150 may be configured so that the directions in which they operate and rotate are symmetrical to each other.

When explaining this with reference to the attached FIG. 3, the motor 150 provided on the left side may be configured to rotate to the right, and the motor 150 provided on the right side may be configured to rotate to the left.

This causes uniform vibration to be generated in the box frame 200 as the pair of motors 150 rotate symmetrically to each other during operation, thereby enabling insertion and extraction from the ground more smoothly.

Figure 7 is a plan view showing the leader guide frame in the vibration module for the casing drilling device according to the present invention.

The leader guide frame 160 is provided on the front side of the housing 110 of the vibration module 100 and is configured to surround a portion of the tip of the drilling device 10.

When described with reference to FIG. 7, this leader guide frame 160 is formed in a form that protrudes outward from the housing 110 and is connected to the tip of the drilling device 10, and is composed of a pair spaced apart from each other on both sides, facing each other. The middle of the viewing side is formed to be concave outward and is configured to surround a portion of the tip of the perforation device 10.

This leader guide frame 160 slides and moves along the upper and lower longitudinal directions of the drilling device 10 when the drilling device 10 is operated, so that the vibration module 100 connected to the drilling device 10 moves up and down smoothly. ,Let it slide to the bottom.

Depending on the design conditions, the leader guide frame 160 is described with reference to the attached FIG. 3, and includes an upper guide frame 161 provided on the upper side of the upper plate 111 and a lower guide provided on the lower guide frame 162. It may be configured to include a frame 162.

At this time, the upper guide frame 161 and the lower guide frame 162 may be provided to be spaced apart from each other.

The upper guide frame 161 and the lower guide frame 162 are each connected to the tip of the drilling device 10, but are provided spaced apart from each other, so that the vibration module 100 moves in the upper and lower longitudinal directions of the drilling device 10. It improves the coupling force during the slide movement process and minimizes eccentricity to ensure stable slide movement.

Figure 8 is a front view showing the box frame in the vibration module for the casing drilling device according to the present invention, Figure 9 is a plan side cross-sectional view showing the box frame in the vibration module for the casing drilling device according to the present invention, and Figure 10 is a plan view showing the box frame in the vibration module for the casing drilling device according to the present invention. This is a plan view showing various shapes of the box frame in the vibration module for the casing drilling device.

The box frame 200 is provided to surround the multi-axis auger 300 and performs a protective function, and is connected to the lower side of the vibration module 100 by a tongs 140, including a box casing 210 and a topping hole ( 220) and a load band 230.

The box casing 210 has an empty interior and a multi-axis auger 300 is placed thereon.

Preferably, it is formed in a form penetrating upward and downward, and is connected to the lower side of the vibration module 100 by a clamp portion 140.

That is, when the upper portion of the box casing 210 is inserted, the tongs 140 pressurizes the inserted portion to ensure that it is firmly fixed.

A plurality of topping holes 220 are formed along the upper and lower longitudinal directions of the box casing 210 and are spaced apart from each other.

This topping hole 220 is formed to communicate with the inner space of the box casing 210 and the outside, thereby facilitating the discharge of soil flowing into the inner space of the box casing 210, thereby reducing the generation of waste. , the loss of cement can be minimized and excellent strength can be achieved.

Furthermore, the internal space can be easily observed through the topdressing hole 220, making it possible to check the verticality of the excavating auger 300, thereby ensuring the straightness (verticality) of the auger 300.

The rod band 230 is provided in the inner space of the box casing 210, and a rod hole 231 is formed so that the rod 310, which is the rotation axis of the auger 300, penetrates.

This load band 230 supports each rod 310 of the multi-axis auger 300, thereby preventing the problem of the screw blades 320 provided on the multi-axis auger 300 interfering with each other, and the rod ( 310) ensures straightness so that excavation work by the multi-axis auger 300 is carried out stably.

That is, it performs the function of supporting each of the multi-axis augers 300 to prevent eccentricity.

At this time, a plurality of load bands 230 may be provided to be spaced apart from each other along the longitudinal direction of the upper and lower sides of the box frame 200.

According to design conditions, when described with reference to FIG. 9, the box casing 210 has a guide groove 211 formed on the inner peripheral surface of the internal space, and the load band 230 protrudes outward to fit into the guide groove 211. It may be configured to include a guide jaw 232 in the form of a guide jaw 232.

Additionally, the box casing 210 may be formed in various forms depending on how the multi-axis auger 300 is arranged.

For example, as shown in Figure 10, when the auger 300 is made of 4 axes, the box casing 210 is made of a square shape with two augers 300 arranged front and back, or When (300) consists of two or three axes, the box casing (210) is formed in a long rectangular shape on the left and right, and can be formed with two augers (300) or three augers (300) arranged in a row. there is.

The straight box casing 210 allows the multi-axis auger 300 to be arranged in various shapes in the internal space, and is made in the form of a square frame so that it can be connected to the vibration module 100 by the tongs 140. .

Figure 11 is a front cross-sectional view showing another embodiment of the load band in the vibration module for the casing drilling device according to the present invention.

Depending on the design conditions, the guide groove 211 formed in the box casing 210 may be formed with a step 211a so that the upper side is wide and the lower side is narrow.

This step 211a functions to support the lower side of the rod band 230 by allowing the lower part of the guide jaw 232 of the rod band 230, which is inserted into the guide groove 211, to be caught.

This is because the rod band 230 located in the middle of the auger 300 is caught on the guide jaw 232 during the process of inserting the multi-axis auger 300 into the inner space of the box frame 200, thereby making the guide groove 211 ) performs the function of ensuring that the state in which the guide jaw 232 is inserted is stably maintained.

Preferably, when a plurality of rod bands 230 are provided in the longitudinal direction of the upper and lower sides of the box casing 210, the length of the guide jaw 232 protruding outside the rod band 230 extends from the top to the bottom. It may be configured to become shorter as it is placed, and the length of the step 211a on which the guide step 232 is caught may be configured to become longer from the top to the bottom.

Accordingly, the guide ledge 232 of the rod band 230 located on the lower side passes without being caught by the step 211a of the guide groove 211 formed on the upper side and is connected to the step 211a of the guide groove 211 formed on the lower side. The guide jaw 232 of the rod band 230 located on the upper side is caught by the step 211a of the guide groove 211 formed on the upper side, so that the plurality of rod bands 230 are stably attached to each guide. It is inserted into the groove 211 and caught on the step 211a.

According to this configuration, the vibration module for the casing drilling device according to the present invention is equipped with a multi-axis auger 300 and is capable of drilling a large area at once. The vibration module 100 having a vibrator function is provided, It reduces the overload applied to the drilling device during insertion and extraction, and increases the mixing agitation force by the excellent rotational force of the auger (300) to maintain high quality strength.

In addition, during drilling work using the auger 300, by using the box frame 200 to protect it, the verticality of excavation can be confirmed, thereby ensuring the straightness (verticality) of the pile hole.

In addition, by performing multi-axis drilling using a plurality of augers 300 inside the box frame 200, working time can be shortened and efficiency can be improved compared to a conventional device that drills by inserting a single auger.

In the above description, various embodiments of the present invention have been presented and explained, but the present invention is not necessarily limited thereto, and those skilled in the art will understand various embodiments without departing from the technical spirit of the present invention. It can be seen that branch substitution, transformation, and change are possible.

10: perforation device
100: Vibration module 110: Housing
111: upper plate 112: lower plate
113: wall 114: pillar
120: Bundle of wire type 130: Buffer part
140: Clamp 141: Cut groove
142: through hole 143: cylinder
144: Adhesion member 150: Motor
160: Leader guide frame 161: Upper guide frame
162: Lower guide frame
200: box frame 210: box casing
211: Guide groove 211a: Step
220: topping hole 230: road band
231: rod hole 232: guide jaw
300: Auger 310: Rod
320: Screw wings

Claims (10)

In the vibration module for a casing drilling device that is connected to the drilling device 10 and fixes the box frame 200 surrounding the multi-axis auger 300,
The vibration module 100 is
A housing 110 that is penetrated upward and downward so that the multi-axis auger 300 penetrates;
A wire type bundle 120 provided on the upper side of the housing 110 and connected to the drilling device 10;
A buffer portion 130 provided between the upper side of the housing 110 and the wire type bundle 120;
A tongs 140 provided on the lower side of the housing 110 to secure the box frame 200; and
A vibration module for a casing drilling device, characterized in that it includes a motor (150) provided in the housing (110).
In claim 1,
The housing 110 is
An upper plate (111) provided on the upper side and shaped like a square frame with an empty middle;
A lower plate 112 provided below the upper plate 111 and having a rectangular frame shape with an empty middle; and
A vibration module for a casing drilling device, characterized in that it includes a wall (113) connecting the upper plate (111) and the lower plate (112).
In claim 2,
It is configured to include a plurality of pillars 114 connecting between the upper plate 111 and the lower plate 112,
The pillar 114 is
A vibration module for a casing drilling device, characterized in that it is provided at each corner of the upper plate 111 and the lower plate 112 in the form of a square frame.
In claim 2,
The motor 150 is
It is provided between the upper plate 111 and the lower plate 112,
A vibration module for a casing drilling device, characterized in that it is provided on the left and right sides of the square frame-shaped wall (113) and consists of a pair.
In claim 1,
The tongs 140 are
a cutting groove 141 whose middle portion is cut upward and into which the upper portion of the box frame 200 is inserted;
a through hole 142 penetrating one side and the other so as to communicate with the incision groove 141; and
It is configured to include a cylinder 143 that is operated to have a variable length through the through hole 142 and presses the outer peripheral surface of the box frame 200 inserted into the cut groove 141 during operation,
A vibration module for a casing drilling device, characterized in that it is provided on the front and back sides or the left and right sides of the housing 110 and consists of a pair.
In claim 5,
A casing drilling device characterized in that at least one selected from the end of the cylinder 143 or the other side of the tongs 140 where the cut groove 141 is formed is formed with a close contact member 144 that protrudes outward. Vibration module for use.
In claim 1,
The vibration module 100 is
It is configured to include a leader guide frame 160 provided on the front side and provided to surround a portion of the tip of the drilling device 10,
The leader guide frame 160 is
A vibration module for a casing drilling device, characterized in that it slides along the upper and lower longitudinal directions of the drilling device (10).
In claim 1,
The box frame 200 is
A box casing (210) with an empty interior on which the multi-axis auger (300) is placed; and
A vibration module for a casing drilling device, comprising a plurality of topping holes 220 spaced apart from each other along the upper and lower longitudinal directions of the box casing 210.
In claim 8,
The box frame 200 is
It is configured to include one or more load bands 230 provided in the inner space of the box casing 210,
The load band 230 is
A vibration module for a casing drilling device, characterized in that a rod hole 231 is formed so that the rod 310, which is the rotation axis of the auger 300, penetrates.
In claim 9,
The box casing 210 is
It is configured to include a guide groove 211 formed on the inner peripheral surface of the internal space,
The load band 230 is
A vibration module for a casing drilling device, characterized in that it includes a guide jaw 232 that protrudes outward to fit into the guide groove 211.