KR102108492B1 - Wire saw cutting system using simultaneous cutting method and tunnel excavation method using the same - Google Patents

Abstract

The present invention relates to a wire saw cutting system using a method of simultaneously cutting multiple surfaces and a tunnel excavation method using the same and, more specifically, to a wire saw cutting system using a method of simultaneously cutting multiple surfaces and a tunnel excavation method using the same which simultaneously cut gaps between a plurality of entry holes by a diamond wire saw after drilling the plurality of entry holes in the longitudinal direction of a tunnel instead of center-cut blasting for securing a free surface when excavating the tunnel to blast the inside of a cutting surface or split rock after making a vibration blocking wall to reduce noise and shorten work time. The present invention also relates to a wire saw cutting system using a method of simultaneously cutting multiple surfaces and a tunnel excavation method using the same which simultaneously cut a plurality of surfaces by rotating a diamond wire saw in a caterpillar track after installing anchor pulleys on the bottoms of a plurality of entry holes to increase cutting depths and shorten cutting time.

Description

Wire saw cutting system using multi-sided simultaneous cutting method and tunnel excavation method using the same {WIRE SAW CUTTING SYSTEM USING SIMULTANEOUS CUTTING METHOD AND TUNNEL EXCAVATION METHOD USING THE SAME}

The present invention relates to a wire saw cutting system using a multi-sided simultaneous cutting method and a tunnel excavation method using the same, and more specifically, instead of blasting a seam to secure a free surface when excavating a tunnel, punch a plurality of entrance holes in a tunnel end direction. After that, a plurality of entry holes are simultaneously cut with a diamond wire saw to create a vibration-blocking wall, and by blasting or breaking the inside of the cutting surface, noise can be reduced and work time can be shortened. In addition, the present invention is to increase the depth of cut and shorten the cutting time by installing an anchor pulley on the bottom of a plurality of entry holes, and then rotating a diamond wire saw in a caterpillar to cut multiple faces simultaneously. Wire saw cutting system and tunnel excavation method using the same.

In general, in Korea, where there are many mountainous regions, almost all of them pass through mountainous regions in order to construct roads or railroads. In many cases, roads are made by cutting these mountains or by excavating tunnels.

Korea's mountains have a certain amount of soil layer, and rock layers are placed underneath. The tunnel excavation method for rock excavation is the deep-earth blasting method, the pilot tunnel line excavation method by TBM, and the dust tunnel tunnel method using diamond wire saws. It is implemented in various ways.

The above-described core subtraction blasting method, pilot tunnel line excavation method using TBM, and core part anti-vibration tunnel method using diamond wire saw will be described in more detail with reference to FIG. 1.

Figure 1 is a top view of the tunnel, Figure 1 (1) is a cross-sectional view of the AA surface of the tunnel using a conventional deep-pulling blasting method, Figure 1- (2) is a pilot tunnel line excavation method using a conventional TBM It is a cross-sectional view of the AA surface of the tunnel, and FIG. 2 is a cross-sectional view of the AA surface of the tunnel using the core part anti-vibration tunnel method using a diamond wire saw.

Referring to FIG. 1, in the core-less blasting method of FIGS. 1- (1), in order to secure a free surface, a plurality of charge holes (blasting holes) are arranged in a wedge shape at the center and preferentially blasted, and then the outer portion is gradually blasted. It is an excavation method that expands and blasts.

Since the core subtraction blasting method is a method of securing a compulsory free surface, vibration and noise are severely generated, and the vibration blocking or absorption function is weak, thereby causing problems or damages to adjacent structures during enlarged blasting.

In addition, the pilot tunnel line excavation method by TBM of Fig. 1- (2), as described in Patent No. 10-1144905, excavates the outer part from a certain distance behind while driving through the tunnel central part by TBM (Tunnel Boring Machine) It is an excavation method that expands and blasts.

Such a pilot tunnel line excavation method by TBM has a very difficult method to apply because the tunnel extension is very efficient when the tunnel extension is long, but because the TBM equipment is expensive, it is uneconomical in a tunnel with a short extension.

In addition, the core part anti-vibration tunnel construction method using the diamond wire saw of FIG. 2, as described in Patent No. 10-1774439, first, drills 4 anti-vibration cutting holes (entrance holes) in the center of the tunnel and then 4 between the entry holes The surface is cut using a diamond wire saw, and then cut in a vertical direction at regular intervals, separated into a rock mass, and drawn out sequentially to install a dust-proof part (vibration tunnel).

In addition, the outer part of the tunnel is also an excavation method in which the dust-proof cutting line is cut by a diamond wire saw and then blasted between the dust-proof part of the heart and the outer part.

However, in the case of installing the anti-vibration part of the heart and foot part, it takes a long time to form the anti-vibration part by drawing stepwise, such as cutting the rock on the four sides in the longitudinal direction in one step and then transversely in the second step. Since it is necessary to cut in the transverse direction, there is a problem that it is difficult to apply due to the long construction period.

In addition, the problem in the case of cutting the dust-proof cutting line outside the tunnel will be described in detail with reference to FIG. 2.

Figure 3 is a perspective view of a tunnel using a conventional heart wire dust tunnel construction method using a diamond wire saw.

Referring to Figure 3, the dust-proof cutting holes are arranged at various angles from a high position. As the jig of the cutting equipment enters the inside for anti-vibration cutting (entrance hole), the rock is cut in the longitudinal direction on the machine body, so the height and angle cannot be matched, making it difficult to apply to the actual site.

Accordingly, when the tunnel is excavated, vibration and noise are less generated, and an alternative to reduce or block vibration generated in the tunnel excavation is needed. In addition, an alternative that is applicable to an actual site, economical, and rapid excavation is required.

KR 10-1774439 B

First, the present invention provides a cutting system using a diamond wire saw and a tunnel excavation method using the same, which can cut the rock regardless of the height and cross angle of the entry hole.

In addition, the rock cutting method that pushes the jig into the entry hole has two limitations. First, the entry hole and the jig must be arranged in a straight line, but there is a limit to increase the height of the equipment. In addition, the jig must be entered into the entry hole as much as the depth of cut, but the weight of the jig is heavy, so the rock cannot be cut to a deep depth.

Therefore, it provides a wire saw cutting system and a tunnel excavation method using the wire saw cutting system capable of cutting the rock regardless of the crossing angle between the entry hole and the cutting depth of the rock.

In addition, a number of faces must be cut in order for the rock cut surfaces to be three-dimensional, so the cutting time becomes longer when cutting one face at a time, so a wire saw cutting system that simultaneously cuts 2 to 3 faces and a tunnel excavation method using the same are provided. do.

Wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention is a wire saw equipment for driving a wire saw and an anchor pulley fixed to the inner wall of the plurality of entry holes to place the wire saw inside the entry hole; It is configured to include, the anchor pulley is respectively disposed in a plurality of entry holes to simultaneously cut a plurality of rock regions located between the entry holes through the wire saw.

The anchor pulley is fixed to the inner wall of the entry hole, and the anchor body for fixing the anchor pulley in the entrance hole and one side are combined with the anchor body and the other side guides the wire saw to control the tension and direction of the wire saw. It comprises a pulley portion.

The anchor body, the upper / lower housing spaced apart at a predetermined interval inside the entry hole, and the housing composed of a gripper disposed corresponding to the inclined surface of the upper / lower housing, respectively, and the upper / lower housing spacing Screws placed in the area and screwed to the ends of the upper / lower housing, an anchor fastener extending from the screw and having an inclined surface corresponding to the inclined surface of the upper / lower housing, and extending from the anchor fastener and smaller than the circumference of the anchor fastener Circumferentially formed straw; It is configured to include an anchor body that is configured to include,

The gripper is pushed by the anchor fastener so that the upper / lower housing is fixed, and protrudes outwardly and is disposed in close contact with the upper and lower wall surfaces inside the entry hole.

The upper / lower housing is bent from the bent portion to prevent separation of the pulley in the ball, after the inner and outer pulleys are coupled with the bent portion and the anchor body in which a predetermined range of the upper / lower housing is bent inward so that the inner pulley is accommodated within a predetermined range. It is configured to include a jaw extending and protruding outward at each end.

The anchor fastener is disposed inside the center and includes a handle A for rotating the anchor fastener clockwise or counterclockwise.

The ball pulley portion, a pulley fastener that a shaft is formed inside and a clasp connected to a release device through a plate spring is formed outside, a ball pulley that extends from one side of the pulley fastener and is wound with a wire saw, the pulley fastener Located in the inner center, a columnar shaft in which a predetermined range is inserted into the anchor body so as to be connected to the anchor body, a clasp formed outside the pulley fastener to fix the engagement with the anchor body, located at the end of the pulley fastener Thus, when the shaft is inserted into the anchor body, it comprises a release device for moving the latch in the shaft body direction and a spacing roller positioned between the pulley fastener and the ball pulley to support the ball pulley.

When the latch is moved to the central portion so that the release device formed at the end is inserted into the anchor body, the clasp moves in the direction of the shaft body through a plate spring connected to the release device.

The ball pulley portion is formed at the end of the ball pulley, and further comprises a handle B which is engaged with an installation and dismounting rod that is connected during connection or disassembly between the anchor body and the ball pulley portion.

Tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention is an entry hole drilling step of drilling a plurality of entry holes of a predetermined depth, an anchor pulley is installed to install an anchor pulley at a predetermined depth of the plurality of entry holes Step, a wire saw mounting step of mounting the wire saw wound on the anchor pulley to the main pulley, a rock cutting step of driving the wire saw to cut a rock located between a plurality of anchor pulleys, and a rock cut through the rock cutting step It comprises a rock removal step of removing each by blasting or splitting,

From the step of drilling the entry hole to the step of removing the rock, a predetermined number of times are repeatedly performed depending on the depth and tunnel length of the entry hole.

The anchor pulley installation step includes an anchor hole fixing step of fixing the anchor body of the anchor pulley in the entrance hole, and an intra-ball pulley coupling step of joining the inner pulley part guiding the wire saw to the anchor body fixed in the entrance hole. It is configured by.

In the rock cutting step, the wire saw device is retracted in a direction away from the anchor pulley to perform rock cutting.

After the rock removal step, a plurality of anchor pulleys are dismantled and further comprises an anchor pulley dismantling step.

A wire saw cutting system using a multi-faceted simultaneous cutting method and a tunnel excavating method using the same according to an embodiment of the present invention can be simultaneously cut into a plurality of faces by installing an anchor pulley in a plurality of entry holes, and perform rock cutting After that, as performing the blasting or halam, the vibration blocking wall by rock cutting is formed, so that the noise and vibration caused by blasting or halam can be reduced than in the prior art.

Figure 1 is a top view of the tunnel, Figure 1 (1) is a cross-sectional view of the AA surface of the tunnel using a conventional deep-pulling blasting method,
1- (2) is a cross-sectional view of the AA surface of a tunnel using a conventional pilot tunnel line excavation method using TBM,
Figure 2 is a cross-sectional view of the AA surface of the tunnel using the core part dust-proof tunnel construction method using a diamond wire saw.
Figure 3 is a perspective view of a tunnel using a conventional heart wire dust tunnel construction method using a diamond wire saw.
Figure 4 is a perspective view of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.
5 is a structural diagram of an anchor pulley of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.
6 is a structural diagram of an anchor body of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.
7- (1) is a cross-sectional view of the BB surface when an anchor body of a wire saw cutting system using a multi-faceted simultaneous cutting method according to an embodiment of the present invention is mounted;
Figure 7- (2) is a cross-sectional view of the BB surface when the anchor body of the wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.
8- (1) is a cross-sectional view of the CC surface of the release device structure of the wire saw cutting system using the multi-sided simultaneous cutting method according to an embodiment of the present invention,
8- (2) is a cross-sectional view of the DD surface of the clasp structure of the wire saw cutting system using the multi-sided simultaneous cutting method according to the embodiment of the present invention.
9 is a flow chart of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
10- (1) is a side view showing a tunnel excavation method of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention;
10- (2) is a side view of the outer attenuation hole line cutting of the tunnel excavation method using the wire saw cutting system according to the embodiment of the present invention.
11- (1) is a front view of the AA surface of the tunnel excavation method of the tunnel excavation method using the wire saw cutting system according to the embodiment of the present invention,
11- (2) is a front view of an AA attenuation line of an outer attenuation hole in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
12- (1) is a side view before forming an anchor of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention;
12- (2) is a side view after forming an anchor body of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
Figure 13 is a side view of the installation of the inner pulley in the anchor body of the tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
14 is a side view of a rock removal step of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,
14- (1) is a side view when excavating a first region of a dustproof tunnel using a wire saw cutting system according to an embodiment of the present invention,
14- (2) is a side view when excavating outside the first region of the dustproof tunnel using a wire saw cutting system according to an embodiment of the present invention,
14- (3) is a side view when excavating a second region of a dustproof tunnel using a wire saw cutting system according to an embodiment of the present invention.
15- (1) is an exploded perspective view of a handle and a wrench box when an anchor pulley is installed in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention;
15- (2) is a perspective view of a handle and a wrench box when an anchor pulley is installed in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
Figure 16- (1) is an exploded perspective view of a handle and a wrench box when releasing the anchor pulley of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,
16- (2) is a perspective view of a handle and a wrench box when an anchor pulley is released from a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.
17 is a side view when lifting the inner pulley portion of the tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the contents described in the accompanying drawings. However, the present invention is not limited or limited by the embodiments. Only embodiments are provided to complete the disclosure of the present invention, and to fully inform the scope of the invention to those skilled in the art.

Terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of identifying one component from another component. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. 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.

The terminology used in the present invention has been selected, while considering the functions in the present invention, general terms that are currently widely used are selected, but this may vary according to the intention or precedent of a person skilled in the art or the appearance of a new technology. In addition, in certain cases, some terms are arbitrarily selected by the applicant, and in this case, their meanings will be described in detail in the description of the applicable invention. Therefore, the terms used in the present invention should be defined based on the meanings of the terms and the contents of the present invention, not simply the names of the terms.

<Example 1>

Next, a wire saw cutting system using a multi-faceted simultaneous cutting method according to an embodiment of the present invention will be described.

A wire saw cutting system using a multi-faceted simultaneous cutting method according to an embodiment of the present invention comprises an anchor pulley configured to include an anchor body for fixing a body in an entrance hole and an inner pulley for controlling the wire saw. As the anchor pulley is placed on the ball, simultaneous multi-sided cutting is easily performed so that rock cutting in the tunnel can be efficiently performed.

4 is a perspective view of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.

Referring to Figure 4, the wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention is fixed to the inner wall of the wire saw equipment 100 and a plurality of entry holes for driving the wire saw entry hole It comprises an anchor pulley 200 disposed inside.

In addition, the anchor pulley 200 is disposed in each of the plurality of entry holes to simultaneously cut a plurality of rock regions located between the entry holes through the wire saw. Here, in the embodiment of the present invention, by inserting the anchor pulley 200 into each entry hole by drilling four entry holes, three surfaces corresponding to the first cutting surface, the second cutting surface, and the third cutting surface can be simultaneously cut. do.

In addition, the wire saw cutting system may be further configured to further include an auxiliary pulley for guiding the wire saw drawn out of the wire saw equipment 100 into the anchor pulley 200 at the entrance of the entrance hole. Here, the auxiliary pulley may prevent twisting or separation of the wire saw.

The detailed configuration of this wire saw cutting system is described in more detail below.

The wire saw device 100 is composed of a wire saw and a main pulley for driving the wire saw and a guide unit for guiding the wire saw coming out of the main pulley to be disposed in the entry hole.

In addition, the wire saw device 100 is configured with a movable body on the lower surface to facilitate movement for performing cutting in the tunnel.

In addition, the anchor pulley 200 is fixed to the inner wall of the plurality of entry holes to place the wire saw inside the entry hole, which will be described in detail with reference to FIG. 5.

5 is a structural diagram of an anchor pulley of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention. Here, FIG. 5 is a structure diagram when the wire saw is driven and the rock in the tunnel is being cut.

Referring to Figure 5, the anchor pulley 200 is fixedly coupled to the inner wall surface of the entry hole, the anchor body 210 for fixing the anchor pulley in the entrance hole, and one side is coupled to the anchor body and the other side guides the wire saw. It comprises a ball pulley portion 220 to control the tension and running direction of the wire saw.

The anchor body 210 will be described in detail with reference to FIG. 6.

6 is a structural diagram of an anchor body of a wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention.

Referring to FIG. 6, the anchor body 210 is largely composed of a housing 211 and an anchor body 212.

More specifically, the housing 211 has upper / lower housings 211_1 and 211_2 disposed at predetermined intervals inside and below the entry hole and grippers disposed corresponding to inclined surfaces of the upper / lower housing, respectively. 211_3).

In addition, the upper / lower housings 211_1 and 211_2 have a predetermined range of upper / lower housings bent inward so that the inner and inner pulleys 220 are accommodated in a predetermined range, and after the inner pulley is coupled with the inner body and the inner pulley. It is configured to include a jaw extending from the bent portion and protruding outwardly at each end to prevent the pulley from coming off.

In addition, the gripper 211_3 is pushed against the anchor fastener so that the upper / lower housing is fixed and protrudes to the outside, and is disposed in close contact with the upper and lower wall surfaces inside the entry hole, which will be described in detail with reference to FIG. 7.

Figure 7- (1) is a cross-sectional view of the B-B side when the anchor body of the wire saw cutting system using a multi-sided simultaneous cutting method according to an embodiment of the present invention,

7- (2) is a cross-sectional view of the B-B side when dismantling an anchor of a wire saw cutting system using a multi-faceted simultaneous cutting method according to an embodiment of the present invention.

Referring to FIG. 7- (1), when the anchor body 212 is screwed to a spaced area between the upper / lower housings 211_1 and 211_2, the gripper 211_3 is pushed outwards into the entry hole It is in close contact with the empty wall so that the housing can be fixed without being pulled out by the tensile force. Here, a portion of the spaced area of the upper / lower housings 211_1 and 211_2 that comes into contact with the screw 212_1 is formed in a shape corresponding to the screw 212_1 of the anchor body 212 to enable screwing.

Referring to FIG. 7- (2), when the screws are disassembled from the area where the anchor body 212 is spaced between the upper / lower housings 211_1 and 211_2, the volume of the anchor body 212 is pulled out. The gripper 211_3 moves as if it is retracted by returning to the inner fixed position.

Referring to FIG. 6, the anchor body 212 is placed in a spaced area of the upper / lower housing and is screwed with the end of the upper / lower housing 212_1, extending from the screw to the upper / lower It comprises an anchor fastener 212_2 having an inclined surface corresponding to the inclined surface of the housing, and a push rod 212_3 extending from the anchor fastener and having a smaller circumference than that of the anchor fastener.

In addition, the screw 212_1 is the gripper 211_3 is adjusted according to the degree of engagement so that the screw 212_1 is appropriately coupled to the spaced space between the upper and lower housings 211_1 and 211_2 according to the punctured state of the entry hole. Make it possible.

In addition, the anchor fastener 212_2 has an inclined surface corresponding to the inclined surfaces of the upper / lower housings 211_1 and 211_2, and also corresponds to an inclined surface of the gripper 211_3. Accordingly, the upper / lower housing may be properly disposed inside, and when the anchor fastener 212_2 is inserted into the inclined surface as the screws 212_1 are engaged, the corresponding gripper 211_3 is pushed outward.

In addition, the anchor fastener 212_2 is disposed at an inner center and includes a handle A for rotating the anchor fastener clockwise or counterclockwise. The anchor fastener 212_2 is rotated through the handle A, and the screw 212_1 is coupled or released to the spaced apart space between the upper and lower housings 211_1 and 211_2. As an example, referring to FIG. 7, when the handle A rotates clockwise, the anchor fastener 212_2 advances, and the screw 212_1 is coupled to a spaced area between the upper / lower housings 211_1 and 211_2, and the gripper (211_3) is pushed outward. In addition, when the handle A rotates counterclockwise, the anchor fastener 212_2 retracts, and the screws 212_1 are released in the spaced apart space between the upper / lower housings 211_1 and 211_2, so that the gripper 211_3 returns to the inside again. do. In addition, the handle A as an embodiment, is formed of a quadrangular protruding agent to be formed in a shape corresponding to the wrench box of the dismantling rod.

In addition, the push rod (212_3) is a configuration used when dismantling the ball pulley 220, so that the release device can be inserted by being pushed inward.

In addition, the inner pulley portion 220, one side is coupled to the anchor body and the other side is a configuration that controls the tension and the running direction of the wire saw by guiding the wire saw, will be described in detail with reference to FIG.

Referring to FIG. 5, the inner pulley portion 220 has a shaft formed therein and a clasp connected to a release device through a plate spring, a pulley binding hole 221 formed on the outside, and one side of the pulley binding hole 221 The ball pulley 222 extending from the wire saw is wound around the wire saw, the pulley binding hole 221 is located inside the center of the pillar-shaped shaft 223 is inserted into a predetermined range in the anchor body to be connected to the anchor body, the A clasp 224 formed on the outside of the pulley fastener to fix the coupling with the anchor body, located at the end of the pulley fastener 221, and when the shaft is inserted into the anchor body, the clasp moves in the direction of the shaft body It is configured to include a disengaging device 225 and a spacing roller 226 positioned between the pulley fastener 221 and the ball pulley 222 to support the ball pulley.

To be more specific, the pulley fastener 221 is a frame of the ball pulley 220, and the necessary components for binding the anchor body 210 are disposed.

The shaft 223 is configured to be inserted inside the push bar 212_3, and a plate-shaped spring is provided at the tip. Here, the plate-shaped spring is formed of an elastic plate as an example.

In addition, when the latch is moved to the central portion so that the release device formed at the end is inserted into the anchor body, the clasp moves in the direction of the body of the shaft through the plate spring connected to the disassembly device.

The release device 225 and the clasp 224 will be described in detail with reference to FIG. 8.

8- (1) is a cross-sectional view of the C-C side of the release device structure of the wire saw cutting system using the multi-sided simultaneous cutting method according to an embodiment of the present invention,

8- (2) is a cross-sectional view of a D-D surface of a clasp structure of a wire saw cutting system using a multi-faceted simultaneous cutting method according to an embodiment of the present invention.

Referring to Figure 8- (1) in detail, the release device 225 is formed on the pulley binding hole 221 around the shaft 223, but the number of the release device 225 is not limited to this. . In addition, the release device of the present Figure 8- (1) is a state that is not inserted into the push bar, and when the shaft 223 is inserted into the push bar, the release device 225 is bent and the clasp spring is pressed to release the clasp. Allow it to be released.

8- (2) will be described in detail. Currently, FIG. 8- (2) is a view of a state in which the clasp is hung on the chin of the housing. Accordingly, when the shaft 223 is inserted into the push rod and the release device 225 presses the plate-shaped spring, the clasp 224 gathers to the inside of the pulley fastener 221 with the shaft to the chin of the housing. A hanging bond can be released.

The spacing roller 226 is configured to support the easy connection between the ball pulley 220 and the anchor body 210, so that the pulley fastener 221 can be located at the center of the entry hole.

In addition, a handle B is formed at an end of the ball pulley to be engaged with an installation disassembly rod that is connected during connection or disassembly between the anchor body and the ball pulley. The handle B is an embodiment, and is formed in a form in which pins are mounted on four surfaces, and the wrench box of the disassembly rod is formed in a corresponding shape.

<Example 2>

Next, a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention will be described.

A tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention is a method of excavating a tunnel using the wire saw cutting system of the above embodiment, and a total of four entrance holes are drilled up / down, left / right in the tunnel. And, by placing each of the anchor pulleys in the perforated entry hole, so that one wire saw can be connected so that the three sides are simultaneously cut so that the rock in the tunnel can be efficiently cut.

9 is a flowchart of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

Referring to Figure 9, the tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention perforates a plurality of entry holes of a predetermined depth (entry hole drilling step: S100), each of the plurality of entry holes Install the anchor pulley (an anchor pulley installation step: S200).

Then, a wire saw is mounted on the anchor pulley and the main pulley (wire saw mounting step: S300), and the wire saw is driven to cut the rock located between the plurality of anchor pulleys (rock cutting step: S400).

In addition, the rocks cut through the rock cutting step are respectively removed by blasting or rock breaking (rock removing step: S500). Here, a predetermined number of times are repeated from the step of drilling the entry hole to the step of removing the rock according to the depth and tunnel length of the entry hole.

The steps for this tunnel excavation method are described in more detail below.

First, the entry hole drilling step (S100) will be described in detail with reference to FIGS. 10 and 11.

10- (1) is a side view showing a tunnel excavation method of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,

10- (2) is a side view of the outer attenuation line cutting performed in the tunnel excavation method using the wire saw cutting system according to the embodiment of the present invention.

11- (1) is a front view of the A-A plane performing the excavation of the dustproof tunnel of the tunnel excavation method using the wire saw cutting system according to the embodiment of the present invention,

11- (2) is a front view of an A-A plane performing line cutting of an outer damping hole in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

The entry hole drilling step (S100) is a step of drilling a plurality of entry holes of a predetermined depth. Referring to FIG. 9, the tunnel excavation method using a wire saw gradually expands while cutting the center of the tunnel and blasting the peripheral portion. The dustproof tunnel cutting process (Figs. 10- (1) and 11- (1)) is performed. In addition, when the blasting operation in the center of the tunnel is performed to a predetermined range, after cutting the outer periphery of the tunnel, an outer attenuation line cutting process is performed to perform the blasting operation inward (FIGS. 10- (2), 11- (2)). ).

In more detail, in the case of FIG. 11- (1), each of the first cutting surface, the second cutting surface, and the third cutting surface was cut, respectively, and the cutting process took a long time. On the other hand, a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention uses a single wire saw as a plurality of entry holes, a first entry hole, a second entry hole, and a third entry hole as shown in FIG. 10- (1). And positioned inside the fourth entry hole, so that the first cut surface, the second cut surface, and the third cut surface can be cut simultaneously.

In addition, in the case of FIG. 11- (2), when the outer damping hole is pre-cut using conventional wire saw equipment, it is difficult to change the drawing form of the wire saw, and thus there is a problem that it is difficult to perform cutting. However, the tunnel excavation method using the wire saw cutting system according to the embodiment of the present invention is irrespective of the position of the entry hole as the wire saw caught in the main pulley is located in the entry hole through the anchor pulley as shown in FIG. 10- (2). Cutting can be carried out easily.

In addition, the rock cutting area cuts the anti-vibration tunnel area or cuts the outer damping hole according to the user's needs, so that the entry hole can be drilled according to the cutting area. In general, by cutting the dust-proof tunnel area first and cutting the outer attenuation hole, it is also possible to cut the dust-proof tunnel area first, as well as for drilling the entry hole.

In addition, the anchor pulley installation step (S200) is a step of installing each anchor pulley in the plurality of access holes, the anchor hole fixing step of fixing the anchor body of the anchor pulley in the entrance hole and the anchor anchor fixed in the entrance hole It comprises a step of joining the ball pulley portion to bond the ball pulley to guide the wire saw to the sieve.

The step of fixing the entry hole is a step of controlling the handle A through a disassembly rod so that a screw of an anchor body is coupled to a spaced apart area in the housing, and the step of engaging the pulley portion of the ball controls the handle A to form an anchor body. When, as a step of controlling the handle B so that the inner pulley portion is coupled to one side of the anchor body, each step will be described in detail with reference to FIGS. 12 and 13.

12- (1) is a side view before forming an anchor of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,

12- (2) is a side view after forming an anchor body of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention

13 is a side view of an inner pulley installed in an anchor body of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

Referring to FIG. 12- (1), the step of fixing the entry hole first installs the handle A in the anchor fastener to engage the range box of the dismantling rod and pushes the disassembly rod so that it can be disposed within the separation area of the upper / lower housing. . Here, the installation and dismounting rod forms an anchor body by connecting with a spacing roller so that it can be engaged with the handle A in the center of the inner anchor fastener.

Then, as shown in Fig. 12- (2), when the handle A is rotated through the disassembly rod, the screw and housing of the anchor body may be combined. Here, as an exemplary embodiment, the handle A rotates clockwise to allow the screw to be coupled to the spaced apart area in the housing as the anchor fastener moves forward. In addition, at this time, as the anchor fastener advances, the gripper also protrudes to the outside so that the housing can be fixed in the entry hole.

Also, referring to FIG. 13, when the inner pulley portion is coupled, when the anchor body is formed by controlling the handle A, controlling the handle B so that the inner pulley portion is coupled to one side of the anchor body, when the anchor body is formed, Similarly, the wrench box of the dismantling rod is combined with the handle B and pushed into the housing of the anchor body.

At this time, the clasp of the ball pulley is caught by the jaw of the housing in the anchor body, but the clasp is connected to the plate spring so that it can be moved up and down. It can be moved inside the binding opening. Here, the installation and dismounting rod forms an anchor body by connecting with the spacing roller so that it can be engaged with the handle B at the center of the end of the ball pulley.

In addition, the wire saw mounting step (S300) is a step of mounting the wire saw wound around the anchor pulley to the main pulley, the wire saw wound around the plurality of anchor pulleys is formed in one closed circuit and the main pulley driving the wire saw Allow the wire saw to be mounted.

In addition, the rock cutting step (S400) is a step of cutting the rock located between the plurality of anchor pulleys by driving the wire saw to a predetermined length, as an embodiment, the first cutting surface, the second cutting surface and the third cutting surface This is formed, and these cut surfaces are cut simultaneously. In addition, in the rock cutting step (S400), the wire saw device is retracted in the direction away from the anchor pulley to cut the rock, and the wire saw device is advanced / retracted according to the tension of the wire saw so that a predetermined tension value can be maintained. do.

The rock removal step (S500) is a step of blasting or removing each of the rocks cut through the rock cutting step, and will be described in detail with reference to FIG. 14.

Figure 14 is a side view of a rock removal step of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention, Figure 14- (1) is a dustproof tunnel using a wire saw cutting system according to an embodiment of the present invention 14- (2) is a side view at the time of excavation outside the first region of the anti-vibration tunnel using a wire saw cutting system according to an embodiment of the present invention, and FIGS. 14- (3) are This is a side view when excavating a second region of a dustproof tunnel using a wire saw cutting system according to an embodiment of the present invention.

Referring to FIG. 14- (1), the rock removal step (S500) allows the plurality of rock cut through the rock cutting step (S400) to be divided into areas that can be easily blasted or broken to be removed. First, as shown in Fig. 14- (1), the first span of the first region in the anti-vibration tunnel is blasted.

Then, after blasting the region (A) of the first region above / below the first span as shown in FIG. 14- (2), debris such as burr is removed.

When the first region is removed as shown in Fig. 14- (3), the second region repeats the same process. Here, the rock removal area is a predetermined length, and is set to a length that can be easily blasted.

In addition, in the rock removal step (S500), since the cutting groove generated through the rock cutting step is used as a vibration blocking wall function, noise and vibration generated when removing the rock are reduced than in the prior art.

In addition, the wrench box when the anchor pulley is installed and the wrench box when it is released have different shapes and an anchor body and an inner pulley are installed or released using this, which will be described in detail with reference to FIGS. 15 to 17.

15- (1) is an exploded perspective view of a handle and a wrench box when an anchor pulley is installed in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,

15- (2) is a perspective view of a handle and a wrench box when an anchor pulley is installed in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

First of all, to describe the method of installing the anchor pulley by referring to FIG. 15, an anchor body disposed inside the entrance hole and fixing the anchor pulley is first installed through an unlocking rod, and an inner pulley part having a wire saw mounted on the installed anchor body is installed. .

15- (1) is an exploded perspective view illustrating the shape of the handle and the wrench box, and the wrench box of the mounting rod of FIG. 15- (1) is formed in a general rectangular shape as a type A, and thus the handle is a wrench of the mounting rod. It is formed in a smaller size than the box, and a pin is formed at the top.

In more detail, when installing the anchor body, the wrench box of type A is engaged with the handle A located inside the anchor fastener as shown in FIG. 15- (2), and pushed to the spaced area entrance between the upper and lower housings.

Then, by rotating the wrench box of the release rod in the clockwise direction, the anchor body is screwed between the upper and lower housings, and at the same time, the gripper of the anchor body protrudes outward and is fixed in the entry hole, and then the installation release rod is taken out.

In addition, when installing the inner pulley portion, a wire saw is mounted on the inner pulley, and the release rod formed with the A-type wrench box is attached to the handle B of the inner pulley portion, and then the inner pulley portion is pushed into the housing of the anchor body. Withdraw the installation release rod.

In addition, to describe the method for releasing the anchor pulley with reference to FIGS. 16 and 17, first, the inner pulley portion including the wire saw is released, and then the anchor body for fixing the anchor pulley to the entry hole is released.

16- (1) is an exploded perspective view of a handle and a wrench box when releasing an anchor pulley of a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention,

16- (2) is a perspective view of a handle and a wrench box when an anchor pulley is released in a tunnel excavation method using a wire saw cutting system according to an embodiment of the present invention.

Figure 16- (1) is an exploded perspective view explaining the shape of the handle and the wrench box. The wrench box of the release rod of Figure 16- (1) is a B-type groove with pins on the top and a block-out part on the side. It is formed in a rectangular shape, and thus the handle is formed to have a smaller size than the wrench box of the release rod, and a pin fixed to the groove of the wrench box and a protrusion fixed to the block out portion of the wrench box is formed on the upper side. .

In more detail, when the inner pulley part is released, the wrench box of the B type, as shown in FIG. 16- (2), binds the release rod formed with the B type wrench box to the handle B of the inner pulley part to bind the anchor box. After pushing the inner pulley part into the housing, take out the release rod.

The method for lifting the ball pulley in connection with the installation release rod will be described in detail with reference to FIG. 17.

17 is a side view of the inner pulley portion of the tunnel excavation method using the wire saw cutting system according to an embodiment of the present invention.

Referring to FIG. 17, when the release rod is engaged with the handle B, the release rod is first pushed, and when a part of the shaft is inserted into the push rod of the anchor body, the release device is bent, connected to the release device, and connected to the housing of the anchor body. The engaging clasp moves in the direction of the shaft to release the coupling with the anchor body. Thereafter, the installation release rod is pulled out and the inner pulley is lifted out of the entrance hole.

Then, when the anchor body is released, the handle A located on the inside of the anchor clamp and the B type wrench box of the releasing rod are engaged in a counterclockwise direction to rotate the wrench box of the releasing rod, so that the anchor body coupled between the upper and lower housings At the same time as it is released, when the gripper of the anchor body, which protrudes to the outside and is fixed in the entrance hole, moves to the inside, the installation release rod is taken out and the anchor body is lifted out of the entrance hole.

On the other hand, although the technical spirit of the present invention has been described in detail according to the above embodiment, it should be noted that the above embodiment is for the purpose of explanation and not for the limitation. In addition, a person having ordinary knowledge in the technical field of the present invention may be capable of various embodiments within the scope of the described claims.

100 wire saw equipment
200 anchor pulleys
210 anchor
211 housing
211_1, 211_2 Upper / Lower Housing
211_3 gripper
212 anchor body
212_1 screw
212_2 anchor fastener
212_3 push rod
220 Inner pulley
221 Pulley Binding
222 Ball pulley
223 shaft
224 shackle
225 release device
226 Spacing Roller

Claims (12)

delete delete Wire saw equipment for driving the wire saw; And
An anchor pulley is fixed to the inner wall of the plurality of entry holes to place the wire saw inside the entry hole;
It comprises,
Each of the anchor pulleys is disposed in a plurality of entry holes,
The wire saw equipment,
After hooking the wire saws to the anchor pulleys disposed in each of the plurality of entry holes, the wire saw device moves away from the anchor pulley, so that the cut surface by the wire saw is closer to the anchor pulley, thereby forming a plurality of rock regions. Characterized by cutting at the same time,
The anchor pulley,
An anchor body fixedly coupled to the inside wall of the entry hole to fix the anchor pulley in the entry hole; And One side is coupled to the anchor body and the other side is a ball pulley portion for guiding the wire saw to control the tension and running direction of the wire saw;
Characterized in that comprises a,
The anchor body,
Upper / lower housings spaced apart at predetermined intervals on the inside / bottom of the entry hole; And grippers disposed to correspond to the inclined surfaces of the upper and lower housings, respectively. Housing comprising a; And
A screw placed in a spaced area of the upper / lower housing and screwed with an end of the upper / lower housing; an anchor fastener extending from the screw and having an inclined surface corresponding to the inclined surface of the upper / lower housing; And a straw extending from the anchor fastener and having a circumference smaller than that of the anchor fastener. An anchor body comprising a; It comprises,
The gripper, the wire saw cutting system using a multi-sided simultaneous cutting method, characterized in that the upper / lower housing is pushed against the anchor fastener so as to be fixed and protrudes outwardly and is disposed close to the upper and lower wall surfaces inside the entry hole.
The method according to claim 3,
The upper / lower housing includes: a bent portion in which a predetermined range of the upper / lower housing is bent inward so that a ball pulley is accommodated within the predetermined range; And
After engaging the anchor body and the ball pulley, the jaw is extended from the bent portion and protrudes outwardly at each end to prevent detachment of the ball pulley; Wire saw cutting system using a multi-sided simultaneous cutting method characterized in that it comprises a.
The method according to claim 3,
The anchor fastener includes a handle A disposed at an inner center and rotating the anchor fastener clockwise or counterclockwise;
Wire saw cutting system using a multi-sided simultaneous cutting method characterized in that it comprises a.
The method according to claim 3,
The inner pulley portion,
A pulley fastener having a shaft formed therein and a clasp connected to a release device through a plate spring formed on the outside;
A ball pulley extending from one side of the pulley binding opening and having a wire saw wound thereon;
It is located in the center of the inner pulley fastener, the shaft of the pillar shape is inserted into a predetermined range in the anchor body to be connected to the anchor body;
A clasp formed on the outside of the pulley binding hole to fix the coupling with the anchor body;
A release device located at the end of the pulley binding opening and moving the latch in the direction of the shaft body when the shaft is inserted into the anchor body; And
A spacing roller positioned between the pulley fastener and the ball pulley to support the ball pulley;
Wire saw cutting system using a multi-sided simultaneous cutting method characterized in that it comprises a.
The method according to claim 6,
The clasp is a wire saw cutting system using a multi-sided simultaneous cutting method characterized in that the clasp moves in the direction of the shaft body through a plate spring connected to the release device when the release device formed at the end moves to the central portion so as to be inserted into the anchor body.
The method according to claim 6,
The inner pulley portion,
A handle B formed at an end of the inner pulley and engaged with an installation disassembly rod that is connected during connection or disassembly between the anchor body and the inner pulley part; Wire saw cutting system using a multi-sided simultaneous cutting method, characterized in that further comprises a.
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