KR20210009678A - tunnel drilling machine - Google Patents

Abstract

The present invention relates to a tunnel drilling apparatus and, more specifically, to a tunnel drilling apparatus which can fix a stand unit, on which a drill unit for drilling a hole in a ceiling of a tunnel is mounted, by vacuum-sucking the stand unit on the tunnel wall without requiring bolt work, prevent dust created when drilling rock of the tunnel wall from scattering by supplying cooling water, and quickly cool frictional heat generated in a core bit. To achieve the objective, the tunnel drilling apparatus comprises: a stand unit including a plate tightly attached to a wall of a tunnel to be sucked and fixed by air pressure through air suction of a vacuum pump, a support member mounted on the upper end of one end of the plate to support a guide rail, the guide rail arranged vertically while the lower end of the guide rail is fixed on the support member, and a reinforcing member bolt-coupled to the front surface of the support member to reinforce bearing power; and a drill unit including a drill body coupled to be moved forwards/backwards in the longitudinal direction of the guide rail vertically arranged on the stand unit, a core bit detachably mounted on the drill body to drill the tunnel wall, and a water supply unit provided between the drill body and the core bit to supply cooling water.

Description

Tunnel drilling machine {tunnel drilling machine}

The present invention relates to a drilling device for a tunnel, and more particularly, a stand part on which a drill part for drilling a hole in the ceiling of the tunnel is mounted can be fixed by vacuum adsorption to the tunnel wall without the need for bolting, as well as supplying cooling water. Thus, the present invention relates to a drilling device for a tunnel capable of quickly cooling the frictional heat generated in a core bit while preventing scattering of dust generated when drilling a rock on a tunnel wall.

In general, in subway construction sites and various tunnel construction sites, blasting work is performed for the purpose of excavation and removal of rocks, and at this time, holes are drilled for charging gunpowder in rocks, or for crushing rocks and inserting rock bolts. Drilling is done to make a hole.

In order to do the drilling in this way, the drilling work is performed in the state where the drilling mill is fixed with bolts. At this time, the drilling device is moved whenever the location of the drilling device is moved to drill a hole in a location forming the outer diameter according to the size of the cross-sectional area of the tunnel. There is a problem that the drilling work time is lengthened by repeating the dismantling and installation work to fix the bolt.

In addition, there is a problem in that the existing drilling machine must perform the work in a work environment under adverse conditions in which a myriad of dust is generated during drilling.

In addition, there is a problem in that it is very inconvenient to use the existing cheonjimi teeth upside down to drill the ceiling of the tunnel.

Korean Patent Registration No. 10-1596278 has been registered.

The present invention was conceived to solve the problems of the prior art as described above, and an object of the technical configuration of the present invention is to install a drill part for drilling a hole in the ceiling of the tunnel. It can be fixed by vacuum adsorption to the tunnel, as well as supplying cooling water to prevent the dust from scattering when drilling the rock on the tunnel wall, and at the same time, it is possible to quickly cool the frictional heat generated in the core bit. It is in providing.

The present invention for achieving the above technical problem is a plate plate that is in close contact with the wall of a tunnel and is adsorbed and fixed by air pressure through air suction of a vacuum pump, and a support member mounted on the upper end of one end of the plate plate to support the guide rail. And, a stand portion provided with a guide rail vertically disposed in a state in which a lower end portion is fixed to the support member, and a reinforcing member that is bolted to the front surface of the support member to reinforce a support force; A drill body coupled to be movable forward/reverse along the longitudinal direction of a guide rail vertically disposed on the stand, a core bit detachably mounted on the drill body to drill a tunnel wall, and the drill body and the core It provides a drilling unit for a tunnel including; a drill unit provided between the bits and provided with a water hole supply unit for supplying cooling water.

In addition, a support member fixing plate for fixing the support member is formed at an upper end of one end of the plate plate, a nozzle mounting hole for mounting an air suction nozzle of a vacuum pump is formed on one side of the support member fixing plate, and a plate in the center A long hole in which a bolt for fixing the part to the tunnel wall is installed is formed, and a packing member for closely contacting the lower end of the plate plate to the tunnel wall is provided at an inner edge of the lower end.

In addition, the front of the guide rail is characterized in that the second tooth is formed to rotate in engagement with the first tooth of the pinion gear provided in the body portion of the drill part.

In addition, a drip tray member holder is coupled to a front surface of the reinforcing member provided in the stand, and a drip tray member for collecting and discharging the coolant supplied through the cooling water supply unit is detachably installed on the drip tray member holder.

In addition, the upper end of the guide rail is characterized in that it is provided with a handle that can be held and supported by hand when fixing the stand to the ceiling of the tunnel by turning the stand upside down to puncture the ceiling of the tunnel.

According to the present invention, by attaching and fixing the stand supporting the drill part to the tunnel wall surface by vacuum pressure, there is an effect of shortening the working time since there is no need for bolt work to fix the existing drilling mill.

In addition, by providing a cooling water supply part for supplying cooling water to the drill part, dust generated when drilling a rock or the like with the core bit is prevented from scattering and at the same time, heat generated when the core bit rubs against the rock is quickly cooled.

In addition, by providing a handle that can be gripped by hand, when the stand is turned upside down and fixed to the ceiling of the tunnel, it can be easily held and supported by hand.

In addition, by mounting the drip tray member holder on the stand and installing the drip tray member on the drip tray member holder, the cooling water sprayed by the core bit is received inside the drip tray member and discharged to the outside through the outlet. Can be solved.

In addition, the drill part for drilling holes is positioned as close as possible to the center of the plate plate adsorbed by vacuum pressure on the tunnel wall, and the plate plate located on the vertical line with the drill part due to strong vibration generated from the drill part during drilling. It is possible to solve the problem that the plate plate falls off the tunnel wall as the pressure of the vacuum pressure decreases because the bottom of the wall is lifted from the tunnel wall.

Figure 1 is an exploded perspective view showing a tunnel factory value according to the present invention.
Figure 2 is a combined perspective view of Figure 1;
Figure 3 is a side view of Figure 2;
Figure 4 is a perspective view for explaining the drip tray member holder applied to the present invention.
Figure 5 is a perspective view for explaining the water receiving member applied to the present invention.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in the detailed description.

However, this is not intended to limit the present invention to a specific embodiment, it is to be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention. In describing each drawing, similar reference numerals have been used for similar elements.

Terms including ordinal numbers, such as second and first, may be used to describe various elements, but the elements are not limited by the terms.

Terms used in the present specification are used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a second component may be referred to as a first component, and similarly, a first component may be referred to as a second component. The term and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being "connected" or "connected" to another component, it is understood that it may be directly connected or connected to the other component, but other components may exist in the middle. Should be. On the other hand, when a component is referred to as being "directly connected" or "directly connected" to another component, it should be understood that there is no other component in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and should not be interpreted as an ideal or excessively formal meaning unless explicitly defined in this application. Does not.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is an exploded perspective view showing a cloth factory value for a tunnel according to the present invention, FIG. 2 is a combined perspective view of FIG. 1, FIG. 3 is a side view of FIG. 2, and FIG. 4 is for explaining a drip tray member holder applied to the present invention. It is a perspective view, and FIG. 5 is a perspective view for explaining a drip tray member applied to the present invention.

Referring to Figs. 1 to 5, a ceiling factory value for a tunnel according to the present invention will be described as follows.

1 and 2, the drilling device 10 for a tunnel according to the present invention has a plate plate 110 that is in close contact with the wall of the tunnel and is adsorbed and fixed by air pressure through air suction of a vacuum pump, and a plate plate A support member 120 mounted on the upper end of one end of the 110 to support the guide rail 130, a guide rail 130 disposed vertically with the lower end fixed to the support member 120, and a support member Forward/reverse movement along the length direction of the stand portion 100 provided with a reinforcing member 140 that is bolted to the front of the 120 to reinforce the supporting force and the guide rail 130 vertically disposed on the stand portion 100 It is provided between the drill body 210 to be coupled, the core bit 220 detachably mounted to the drill body 210 to perforate the tunnel wall, and the drill body 210 and the core bit 220 It is configured to include a drill unit 200 provided with a water hole supply unit 230 for supplying cooling water.

In addition, a pair of support member fixing plates 111 for fixing both ends of the support member 120 are formed at the upper end of one end of the plate plate 110, and a vacuum pump (drawings) on one side of the support member fixing plate 111 A nozzle mounting hole 112 is formed in which the air intake nozzle 112a of (not shown in) is mounted, and a long hole 113 in which a bolt for fixing the plate portion 110 to the tunnel wall is installed is formed in the center. .

In addition, a bolt coupling groove 111a is formed on one surface of the upper side of the pair of support member fixing plates 111 to be coupled to the bolt hole 123 of the support member 120 by bolting.

In addition, a packing member 114 for closely contacting the lower end of the plate plate 110 to the tunnel wall is provided at the inner edge of the lower end of the plate plate 110.

At this time, the material of the packing member 114 is preferably made of any one selected from rubber or silicone.

On the other hand, at the lower end of the plate plate 110, a reinforcing rib 115 for increasing the reinforcing force of the plate plate 110 may be radially formed, and the reinforcing rib 115 may be formed at the bottom of the plate plate 110. It is formed with a certain depth inward. The reason is to form a vacuum space so that the inside of the plate plate 110 can be easily adsorbed by vacuum suction.

In addition, a gripping handle 116 that can be gripped by hand may be formed on the top surface of the other end of the plate plate 110.

In addition, a leveler 117 for aligning the horizontal line during installation may be provided on one side of the gripping handle 116, and the leveler 117 is preferably provided with a water leveler.

In addition, the support member 120 is formed with an insertion groove 121 with an open upper end so that the lower end of the guide rail 130 is inserted, and is inserted into the coupling groove 141 formed in the reinforcing member 140 to be described later on the front part. A pair of coupling protrusions 122 are formed to protrude, and a first bolt hole 123 is formed at both ends so that the bolt is fastened in correspondence with the second bolt hole 132 formed at the lower end of the guide rail 130.

In addition, a coupling groove 141 into which the pair of coupling protrusions 122 of the support member 120 is inserted is formed in the center of the rear surface of the reinforcing member 140 in the longitudinal direction.

Meanwhile, at least one second bolt hole 124 is formed in the longitudinal direction between the pair of coupling protrusions 122, and a bolt hole formed between the coupling protrusions 122 inside the coupling groove 141 ( A fifth bolt hole 142 corresponding to the 124 is formed so that the support member 120 and the reinforcing member 140 are coupled to each other as the bolts are fastened to each of the bolt holes 124 and 142.

In addition, a bolt hole 143 may be formed on the front of the lower side of the reinforcing member 140 so that the water receiving member holder 300 to be described later is bolted to each other.

In addition, in the front of the guide rail 130, the second teeth 131 meshed with the first teeth 212a formed on the outer circumference of the pinion gear 212 provided in the drill body 210 of the drill part 200 Is formed.

In addition, third bolt holes 132 may be formed on both sides of the lower end of the guide rail 130 so as to be bolted to correspond to the first bolt holes 123 formed in the support member 120.

On the other hand, the guide rail 130 is preferably located as close as possible to the center of the plate plate (110). The reason is that through the drill part 200 mounted on the guide rail 130 disposed vertically on the plate plate 110, the drill part 200 is perpendicular to the drill part 200 due to strong vibration generated from the drill part 200 during drilling. This is to minimize the lowering of the vacuum pressure as the bottom portion of the plate plate 110 located on the ship is lifted from the tunnel wall.

In addition, at the upper end of the guide rail 130, a handle member 150 that can be held and supported by hand when the stand unit 100 is turned upside down and fixed to the ceiling of the tunnel is detachably bolted to perforate the ceiling of the tunnel. Can be combined.

At this time, gripping portions 151 that can be gripped by hand are formed at both ends of the handle member 150, and a sixth bolt hole 152 is formed in the center so as to be bolted to the upper end of the guide rail 130. .

Meanwhile, a fourth bolt hole 133 may be formed at an upper end of the guide rail 130 so as to be bolted to correspond to the sixth bolt hole 152 formed in the handle member 150 described above.

In addition, a through hole 211 through which the guide rail 130 is inserted is formed in the drill body 210 of the drill part 200, and the through hole 211 is formed in the above-described guide rail 130. The pinion gear 212 having the first teeth 212a formed around the outer circumference so as to rotate in engagement with the second teeth 131 is provided in a coupled state by the hinge shaft 213.

In addition, the drill unit 200 rotates the pinion gear 212 coupled to the above-described drill body 210 by the hinge shaft 213 in the left/right direction to move forward/referentially along the longitudinal direction of the guide rail 130. An operation handle 214 for moving backward is provided. Such an operation handle 214 is mounted on the hinge shaft 213 of the pinion gear 212 and rotates in the left/right direction to move the drill body 210 forward/backward.

In addition, the cooling water supply unit 230 of the drill unit 200 is formed with a connector 231 to which the cooling water supply nozzle 231a for receiving cooling water from the outside is connected, and flows through the cooling water flowing through the connector 231. A flow path shut-off valve 232 to shut off or open is provided.

In addition, the stand portion 100 is detachably coupled to the front of the reinforcing member 140 described above, the drip tray member 400 for collecting and discharging the cooling water supplied through the cooling water supply unit 230 provided in the drill body 210 A drip tray member holder 300 that can be installed detachably is included.

Fixing means 310 for fixing the drip tray member 400 are provided at both ends of the drip tray member holder 300, respectively, and a bolt corresponding to the fifth bolt hole 142 formed in the reinforcing member 140 at the center The seventh bolt hole 320 is formed to be coupled

At this time, each of the fixing means 310 is a hook piece 311 having one end of the drip tray member 400 attached to the upper end portion and the hook piece 311 having one end inserted into the groove 410 formed on the outer edge of the drip tray member 400 As it is fixed to the other end of the 312 and the locking piece 312 and rotated to the left/right, the locking piece 312 is moved up and down to pressurize the drip tray member 400 to fix it or release the pressure to remove the adjustment bolt ( 313).

In addition, the drip tray member 400 has a core bit through hole 410 through which one end of the core bit 220 is inserted in the center of the upper end, and a groove 420 in which the locking piece 312 is inserted and in close contact with the center of the outer rim. A discharge port 430 is formed at one side of the groove 420 to which a discharge nozzle (not shown in the drawings) for discharging the coolant flowing through the core bit through hole 410 is connected.

Hereinafter, the method and operation of the tunnel drilling device of the present invention configured as described above will be described as follows.

First, in a state as shown in FIG. 2, the plate plate 110 is in close contact with the wall surface of the tunnel to be drilled. Then, since the vacuum pump is operated after connecting the air suction nozzle 112a of the vacuum pump to the nozzle mounting hole 112, the plate plate 110 is fixed to the tunnel wall as the plate plate 110 is vacuum sucked.

Meanwhile, the plate plate 110 may be fixed by vacuum adsorption using a vacuum pump, but may be fixed with bolts through the long hole 113 according to the working environment and conditions.

Then, after the core bit 220 mounted on the drill body 210 is in close contact with the tunnel wall, the tunnel wall is drilled by operating the drill body 210.

At this time, in the process of drilling the tunnel wall through the core bit 220, the cooling water is supplied through the cooling water supply unit 230, and the supplied cooling water is sprayed through the open hollow hole of the core bit 220 to generate dust generated during drilling. At the same time, the core bit 220 quickly cools the heat generated while rubbing against the tunnel wall.

In addition, since one end of the core bit 220 is provided in a state inserted through the core bit through hole 410 of the water receiving member 400, the cooling water sprayed through the hollow hole opened from the core bit 220 is the water receiving member It is accommodated in the interior of the 400, the received cooling water is discharged to the outside through a discharge nozzle (not shown in the drawing) connected to the discharge port 430.

The technical idea of the drilling apparatus for tunnels of the present invention is that it is possible to repeatedly implement the same results in practice, and in particular, by implementing the present invention, it is possible to contribute to industrial development by promoting technological development, so that it is well worth protecting.

10: tunnel drilling device 100: stand
110: plate plate 111: support member fixing plate
112: nozzle mounting hole 113: long hole
114: packing member 115: reinforcing rib
116: gripping handle 117: level
120: support member 121: insertion groove
122: coupling ball part 123: bolt hole
130: guide rail 131: second tooth
132: bolt hole 133: bolt hole
140: reinforcing member 141: coupling groove
142: bolt hole 150: handle member
151: gripping part 152: bolt hole
200: drill part 210: drill body
211: through hole 212: pinion gear
212a: first tooth 213: hinge shaft
214: operation handle 220: core bit
230: cooling water supply unit 231: connector
232: flow cut-off valve 300: drip holder
310: fixing means 311: hook piece
312: locking piece 313: adjustment bolt
400: drip tray member 410: core bit through hole
420: groove 430: outlet

Claims (5)

A plate plate that is in close contact with the wall of the tunnel and is adsorbed and fixed by air pressure through air suction from a vacuum pump, a support means mounted on an upper end of the plate plate to support a guide rail, and a lower end is fixed to the support means. A stand part provided with a guide rail vertically disposed to guide the movement of the drill part before and after, and a reinforcing member that is bolted to the front surface of the support member to reinforce the support force;
A drill body coupled to be movable forward/reverse along the longitudinal direction of a guide rail vertically disposed on the stand, a core bit detachably mounted on the drill body to drill a tunnel wall, and the drill body and the core Drilling unit provided between the bits and provided with a cooling water supply unit for supplying the cooling water; drilling device for a tunnel comprising a.
The method of claim 1,
A support member fixing plate for fixing the support member is formed at the upper end of one end of the plate plate, a nozzle mounting hole for mounting the air suction nozzle of the vacuum pump is formed at one side of the support member fixing plate, and the plate part is tunneled at the center. A long hole in which a bolt for fixing to the wall is installed is formed, and a packing member for closely contacting the lower end of the plate plate to the tunnel wall is provided at an inner edge of the lower end.
The method of claim 1,
A tunnel drilling device, characterized in that a second tooth is formed on the front surface of the guide rail so as to rotate in engagement with the first tooth of the pinion gear provided in the main body of the drill part.
The method of claim 1,
A gutter member holder is coupled to the front of the reinforcing member provided in the stand, and a drip tray member for collecting and discharging the coolant supplied through the cooling water supply unit is detachably installed on the drip tray member holder. Device.
The method of claim 1,
The upper end of the guide rail, characterized in that in the case of turning the stand upside down and fixing it to the ceiling of the tunnel in order to puncture the ceiling of the tunnel, a handle portion which can be held and supported by hand is provided.

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