KR101774713B1 - excavation equipment for rock tunnel - Google Patents

Abstract

The present invention provides a soft ground excavation reinforcing device for an improved tunnel boring machine (TBM) rock tunnel which is to obtain safety of a worker and enable a reinforcement work on soft ground to rapidly be performed when a rock tunnel is excavated by a TBM in which a cutter head moves forward by a hydraulic cylinder, wherein the TBM includes a gripper. According to the present invention, the ground excavation reinforcing device for the improved TBM rock tunnel comprises: an excavation body (100) having a rotation cutter head (110) boring and excavating rock by rotating, and a forward moving unit (120) moving forward the rotation cutter head (110); a gripper body (200) installed in an outer surface of the forward moving unit (120) of the excavation body (100), and supporting the excavation body (100) when the excavation body (100) moves forward as the gripper body (200) is attached to the rock surface excavated; a reinforcing body (300) reinforcing a fault crushing section when the rock is bored and excavated by being installed between the gripper body (200) and the rotation cutter head (110) of the excavation body (100); and a segment (400) constructed in the fault crushing section by the reinforcing body (300).

Description

In an improved TBM rock tunnel, excavation equipment for rock tunnel,

The present invention relates to a soft ground excavation reinforcing apparatus in an improved type TBM rock tunnel, and more particularly, to a tunnel boring machine having a cutter head at the front to excavate a rock, And more particularly to an improved rock mass tunnel soft ground excavation strengthening apparatus in which a steel segment is used to reinforce the soft ground.

In general, there are the American Steel Support Method (ASSM) and the New Austrian Tunneling Method (NATM), the Tunnel Boring Machine method (TBM) or the Shield Tunnel method have.

Among them, the conventional ASSM method is a conventional method with low stability as a method of supporting the rocks that settle down due to the ground relaxation by using wood, iron Arch arch support, and concrete lining as main complement.

In addition, the NATM method adopts a rock mechanics concept that uses the surrounding rock bed itself as a supporting body and uses shotcrete or rock bolt as an auxiliary support. The NATM method is adaptable to the ground change, Because of its wide cross section, it is an economical method under general conditions.

In addition, the TBM method is a mechanical excavation method in which a rock is excavated by a crushing or cutting with a tunnel tunnel excavator in a rock tunnel mainly, and the surrounding rock mass itself is used as a supporting body to form a mechanically stable circular structure. The same support materials can be greatly reduced.

In the shield tunneling method, a durable steel cylindrical excavator called a shield is pushed into the ground, and the excavator is advanced while preventing the collapse of the leading end ground, and in the rear part of the shield machine, (Segment), and this is a method of excavating tunnels by repeating such end excavation and construction of rear PC segment bogies.

These tunneling methods are selectively applied according to location of construction site, geology, ground shape, surrounding environment, and construction period.

In the case of the TBM drilling through a hard rock in such a tunnel method, since the collapse of the rock is significantly smaller than the NATM during the tunnel excavation by the tunnel boring machine, the shotcrete, the rock bolt, It is advantageous in cost reduction and construction period because it can reduce the number of workers.

On the other hand, soft ground (single fracture zone) appears along the section even at the excavation work of rock tunnel, and when passing through such soft ground, it is difficult to proceed the tunnel boring machine, Reinforcement work is done on the ground.

In order to secure the safety of the soft ground after the excavation device is stopped, the reinforcement work of the existing soft ground is performed by reinforcing the soft ground by proceeding with the conventional rock bolt, shotcrete, shot poling and grouting work. And then the excavation equipment is restarted.

In this way, it is difficult for the operator to secure the operator's safety due to the collapse of the soft ground at the upper part of the room immediately after the cutter head and the head jacket in the process of reinforcing the soft ground, and it is difficult to reinforce the work in the narrow space. There is a problem that the time is delayed and the efficiency of the operation is greatly reduced.

Further, in the case of the TBM, which is a drilling apparatus for rock tunnel, the structure for advancing the front side cutter head pulls out the gripper and closely contacts the wall surface of the tunnel to fix the body of the excavation apparatus, and then advances the cutter head by using the hydraulic cylinder. When the gripper is brought into close contact with the tunnel wall surface of the soft ground for fixing the body of the excavation apparatus, the soft ground is collapsed by the contact pressure and collapses and the supporting force of the gripper remarkably decreases.

In addition, during the excavation process using TBM after the conventional reinforcement work, slippage between the gripper and reinforced steel girder occurs, and the existing designed girder girder gap is wide to 1 ~ 1.5m to secure safety In order to do this, we should construct the steel girder beam at 2 ~ 30cm interval. As a result, it is difficult to support the body of the excavation device by the gripper due to collapse due to the collapse of the slope on the wall of the tunnel.

A lining segment for a tunnel, which is disclosed in Japanese Patent Application Laid-Open No. 10-0964205, has been proposed, which is assembled with each other to bite the inner wall surface of a tunnel, and comprises a skin plate for supporting an inner wall surface portion of the tunnel, A sealing member sealingly sealing the fastening portion of the lining segments; and a sealing member formed on the skin plate so as to fill the concrete between the skin plate and the inner wall surface of the tunnel The lining segment for a tunnel including a concrete pouring hole is characterized in that the fastening means comprises a first fastening member formed on both ends of the skin plate so that both ends of the skin plates adjacent to each other along the circumferential direction of the tunnel can be screwed to each other, Plates and adjacent skin plates along the longitudinal direction of the tunnel And second fastening plates formed on both side portions of the skin plate so that both side portions of the skin plate can be screwed to each other.

This prior art technique facilitates bringing a segment into a tunnel and improves the assemblability of the segment.

However, in the case of the conventional art, since the present invention is applied to a drilling apparatus not provided with a gripper, that is, to a shield tunneling method using a drilling apparatus having a collapsing protector at the periphery of a cutter head, In the shield TBM method, the propulsion force in the segment (steel material, PC segment) is obtained from the section of the segment in the tunneling direction by thrust force with the hydraulic cylinder, However, there is a problem in that the gripper and the segment are slipped even if applied.

Korean Registered Patent No. 10-0964205 (Registered on June, 2010) Korean Registered Patent No. 10-0793945 (registered on Apr. 4, 2008)

The present invention relates to a head jacket rear half which is provided with a gripper and uses a TBM in which a cutter head is advanced by a hydraulic cylinder to quickly perform reinforcement work on a soft ground when excavating a rock tunnel, It is an object of the present invention to provide a soft ground excavation reinforcement device in an improved TBM rock tunnel to prevent a slip between a gripper and a segment while a safe working space of a loop made of steel is provided on the upper surface of the section.

In order to achieve the above object, the present invention provides a soft ground excavation strengthening apparatus in an improved TBM rock tunnel, comprising: a rotary cutter head for excavating a rock by rotation; and a forward moving portion for advancing the rotary cutter head; A gripper body for supporting the excavator when the excavator is moved forward, the excavator being closely attached to the excavated arm on the outer surface of the excavator; A reinforcing body provided between the rotary cutter head of the excavator and the gripper body to reinforce a single-layer crushing section during rock excavation; A reinforcing body housing portion having a bearing portion for laying an outer surface of a forward portion of the excavation body; A reinforcing body rotating portion connected to the reinforcing body housing portion and the supporting frame portion and positioned at the periphery of the reinforcing body housing portion and having an interlocking gear along an inner peripheral surface thereof; A reinforcing body rotating motor having a driving gear meshed with the interlocking gear of the reinforcing body rotating portion; A first cylinder part and a second cylinder part connected to the reinforcing body rotating part and the reinforcing body bracket; A first link part connected to one side of the first cylinder part and a second link part connected to one side of the second cylinder part; And a connecting protrusion connected to the other end of the first link unit and the other end of the second cylinder unit and connected to the segment.

Further, the segment may include: a top plate having a plurality of first fastening holes formed therein; A lower plate having a plurality of second fastening holes formed therein; A seating surface plate having a plurality of third fastening holes formed therein; A right side plate having a plurality of fourth fastening holes formed therein; And a fastening groove portion corresponding to the first fastening hole, the second fastening hole, the third fastening hole and the fourth fastening hole, respectively, which are located on the front side by connecting the upper plate, the lower plate, the seat plate and the right plate, A front plate; A rear plate connected to the upper plate, the lower plate, the seat plate, and the right plate; And a fastening part which passes through the front plate and the rear plate and is connected to the connecting protrusion of the segmenter when the single-layer crushing section is in close contact with the single-layer crushing section,

Further, the gripper body includes: a gripper body housing portion having the gripper cylinder, the gripper body housing the forward moving outer surface; A front and rear vibration member connected to the gripper cylinder and being advanced and retracted from the gripper body housing portion by an operation of the gripper cylinder; And a gripper connected to the front and rear vibration parts.

Furthermore, the gripper surface is further provided with a non-slip pad portion for enhancing the adhesion between the arm which is drilled by the cutter head or the segment which is installed in the single-layer crushing section.

Furthermore, the reinforcing member is further provided with a probe drill and a mounting body capable of mounting a probe drill for performing advanced boring with respect to a single-layer crushing section of a rock tunnel to be excavated.

Further, the probe drill mounting body may include: a first mounting bracket connected to the reinforcing body rotating portion; A second mounting bracket connected to the reinforcing member housing part; A first mounting cylinder connected to the second mounting bracket; A housing housing having a first hinge bracket hinged to the first housing bracket and hinge-connected to a first housing cylinder connected to the second housing bracket; And a drill driving unit for rotating the probe drill held in the drill mounting unit.

In the present invention, when the underground rock tunnel is excavated, the single-crushing section is reinforced and supported by the segment, so that the tunnel tunnel boring machine (TBM) In addition, in the tunneling of rock tunnel using TBM, not only the construction period can be shortened according to the fault fracture section, but the construction cost can be reduced and the safety accident of the worker can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a configuration diagram of a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel according to the present invention. FIG.
2 is a partially omitted perspective view showing a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel according to the present invention.
FIG. 3 is a perspective view showing essential components of a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel according to the present invention.
FIG. 4 is a configuration view showing other constituent parts of the soft ground excavation strengthening apparatus in the improved TBM rock tunnel according to the present invention.
5 is a configuration diagram of a state in which a segment is installed by a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel according to the present invention.
FIGS. 6 and 7 are views showing a state in which a segment is brought into close contact with a surface of a rock tunnel by a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel, and FIG.
8 to 10 are a perspective view and a configuration view respectively showing segments of a soft ground excavation strengthening apparatus in an improved TBM rock tunnel according to the present invention.
11 is a configuration diagram of a state in which a segment is installed by a soft ground excavation reinforcing apparatus in an improved TBM rock tunnel according to the present invention.
12 is a view showing a state before the gripper body of the soft ground excavation reinforcing apparatus is in close contact with a segment in the improved TBM rock tunnel according to the present invention.
FIG. 13 is a view showing a state in which the gripper body of the soft ground excavation reinforcing apparatus is in close contact with the segments in the improved TBM rock tunnel according to the present invention.
FIG. 14 is an enlarged view showing a state before the gripper body of the soft ground excavation strengthening apparatus is brought into close contact with the segments in the improved TBM rock tunnel according to the present invention.
Fig. 15 is a configuration diagram showing another embodiment of a soft ground excavation strengthening apparatus in an improved TBM rock tunnel according to the present invention.
16 is an enlarged view showing constituent parts of another embodiment of the soft ground excavation strengthening apparatus in the improved TBM rock tunnel according to the present invention.

Hereinafter, other objects and features of the present invention will be apparent from the following description of embodiments with reference to the accompanying drawings.

Unless defined otherwise, 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 this 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 relevant art and are to be interpreted in an ideal or overly formal sense unless explicitly defined in the present application Do not.

Hereinafter, a soft ground excavation strengthening apparatus in an improved TBM rock tunnel according to an embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

As shown in the figure, in the improved TBM rock tunnel according to the present invention, the soft ground excavation strengthening apparatus includes a rotary cutter head 110 for excavating a rock by drilling, and a forward movement unit 120 for advancing the rotary cutter head 110 The excavator 100 is supported on the outer surface of the excavator 100 and is supported on the outer surface of the excavator 100 so that the excavator 100 is supported by the excavator 100 when the excavator 100 moves forward. A reinforcing body 300 provided between the rotary cutter head 110 of the excavator body 100 and the gripper body 200 to reinforce a single fracture section during rock excavation drilling, And a segment (400) that is constructed by the body (300) in the single fracture section.

In the present invention as described above, the excavator 100 is advanced by the forward movement portion 120, and the rock tunnel is excavated by the rotation of the rotary cutter head 110.

When the excavator 100 advances by a predetermined distance by the forward movement portion 120 and excavates a rock tunnel by the rotary cutter head 110, the gripper member 200 is brought into close contact with a rock tunnel surface, When the excavator 100 is moved by the set distance, the excavator 100 moves away from the rock tunnel surface by a predetermined distance toward the excavator 100 along the forward movement portion 120 .

During the rock tunnel excavation work except for the single fracture section, the gripper body 200 is closely attached to the rock tunnel surface by the rocky rock, and then the rock tunnel surface The gripper body 200 supports the forward movement of the excavator body 100 while firmly supporting the excavator body 100. In this case, the gripper body 200 is robustly adapted to the force pushing the rock tunnel surface, In the case of a single fracture section, when the gripper body 200 pushes the rock tunnel surface of the single fracture section, the rock tunnel surface is collapsed or the gripper body 200 can not be firmly supported.

Thus, according to the present invention, it is possible to prevent the collapse of the single-layer crushing zone of the rock tunnel and the safety accident of the operator by reinforcing the single-layer crushing section of the rock tunnel by the reinforcement member 300.

The reinforcing member 300 of the present invention includes a reinforcing member housing part 310 having an outer surface of the forward movement part 120 of the excavator body 100 and having a bearing part 311, A reinforcing body rotating part 320 connected to the supporting frame part 321 and positioned at the periphery of the reinforcing body housing part 310 and having an interlocking gear 322 along an inner peripheral surface thereof, A reinforcing body rotating motor 330 having a driving gear 331 engaged with the interlocking gear 322 of the reinforcing body 320 and the reinforcing body rotating part 320. The reinforcing body rotating motor 330 is connected to the reinforcing body rotating part 320 and the reinforcing body brackets 341, A first link part 360 connected to one end of the first cylinder part 340 and a second link part 360 connected to one end of the second cylinder part 350; (380) having a connection protrusion (381) connected to the other side of the second cylinder part (350) and the other side of the first link part (360) and connected to the segment (400) Equipped with Uh it has done.

The first link part 360 and the second link part 370 are operated by the first cylinder part 340 and the second cylinder part 350 to which the first link part 360 and the second link part 370 are connected, The segmenter 380 to which the other end of the second link portion 370 is connected is pulled toward the reinforcement member housing portion 310 of the reinforcement member 300 or is pushed from the reinforcement member housing 310.

By this operation, the segment 400 connected to the segmenter 380 can be brought into close contact with the rock tunnel surface of the single fracture section, so that the operator can construct the heavy segment radially with respect to the circular rock tunnel surface It is easy.

That is, in the reinforcing operation on the rock tunnel surface of the single fracture section, the segment 400 is connected to the segmenter 380, and then the first cylinder part 340 and the second cylinder part 350 are operated, When the first link portion 360 and the second link portion 370 are pushed out, the first link portion 360 and the second link portion 350, which are hingedly connected to the first cylinder portion 340 and the second cylinder portion 350, The second link portion 370 is pushed out of the reinforcing member housing 310 so that the segmenter 380 is brought close to the rock tunnel plane of the single layer fracture section and the segment 400 connected to the segmenter actuator 380 It is brought into close contact with the rock tunnel surface.

In this way, the plurality of segments 400 are radially provided on the rock tunnel surface of the single-layer crushing zone. In this case, the plurality of segments 400 are firmly fixed to each other by bolts and nuts.

The first cylinder part 340 and the second cylinder part 350 as well as the first link part 360 and the second link part 370 and the segment actuator 380 are disposed between the reinforcement body rotating part 320 and the reinforcement body The first cylinder portion 340, the second cylinder portion 350, the first link portion 360, and the second link portion 360 are connected to each other by the rotation of the reinforcing body rotating portion 320. [ The second link portion 370 and the segmenter 380 can be rotated so that the plurality of segments 400 can be positioned radially on the circular rock tunnel surface.

The rotating operation of the reinforcing body rotating part 320 is performed by the power of the reinforcing body rotating motor 330 having the driving gear 331 engaged with the interlocking gear 322 provided in the reinforcing body rotating part 320 The driving gear 331 is rotated so that the interlocking gear 322 engaged with the driving gear 331 is rotated so that the interlocking gear 322 rotates the inner circumferential surface And the reinforcing body rotating unit 320 provided thereon is rotated.

Since the segment 400 is made of a steel material, workability is improved as well as mobility and installation property as compared with a segment made of a conventional concrete material.

The segment 400 of the present invention includes a top plate 410 having a plurality of first fastening holes 411 formed therethrough, a bottom plate 420 having a plurality of second fastening holes 421 formed therethrough, The upper surface plate 410 and the lower surface plate 420, the lower surface plate 420, the lower surface plate 420, the lower surface plate 420, the lower surface plate 420, The first fastening hole 411 and the second fastening hole 421, the third fastening hole 431 and the fourth fastening hole 441 are located on the front side by connecting the seat plate 430 and the right side plate 440, A front plate 450 having a fastening groove portion 451 corresponding to the fastening portion 451 and fastening the gripper body 200 when the excavating body 100 is moved forward by the forward moving portion 120, A rear plate 460 disposed at a rear side of the upper plate 410 and connected to the lower plate 420, the seating plate 430 and the right plate 440, and a rear plate 460 disposed between the front plate 450 and the rear plate 460, And when the segment is in close contact with the single-layer crushing section, Connection protrusion 381 of the unit 380 is connected and is made is provided in a fastening portion 470 that is entered into the set anchor (A) after being in close contact with the fault fractured intervals.

At this time, a separate reinforcing rib may be further provided inside the front plate 450 and the rear plate 460 to further improve the durability and rigidity of the segment 400 of the present invention.

The reason why the back plate 460 is provided in the segment 400 of the present invention is that the back plate 460 improves the adhesion to the rock tunnel surface of the single layer crushing section and the blocking area to the rock tunnel surface.

The reason for including the front plate 450 is that since the soft ground excavation strengthening apparatus in the improved TBM rock tunnel is made of a TBM (Tunnel Boring Machine) that moves forward due to the supporting force of the gripper body 200, So that the body 200 is held in close contact with the front plate 450.

The plurality of first fastening holes 411, the second fastening holes 421, the third fastening holes 431 and the fourth fastening holes 441 are formed by radially connecting the plurality of segments 400, So as to fix the plurality of segments 400 using bolts and nuts through respective fastening holes corresponding to each other.

The reason for including the fastening groove portions 451 corresponding to the plurality of first fastening holes 411, the second fastening holes 421, the third fastening holes 431 and the fourth fastening holes 441 The first fastening holes 411, the second fastening holes 421, the third fastening holes 431 and the fourth fastening holes 441 are formed on the upper plate 410, the lower plate 420, The plurality of segments 400 are disposed on the side surfaces of the front plate 450 and the rear plate 460 like the plate 430 and the right plate 440. In this state, So that the operation of fixing the plurality of segments 400 through the fastening holes corresponding to each other can be facilitated by pulling the nut through the fastening groove portion 451.

The fastening part 470 is formed to penetrate through the front plate 450 and the rear plate 460. The fastening part 470 is inserted into the front plate 450 and the rear plate 460 The reason is that the short patch operation (mortar spraying operation) or the quick-setting mortar cement for the single-layer crushing section clogged by the segment (400) is injected to the rock tunnel side of the single-crushing section to secure stability for the single- To be able to do so.

In addition, when the set anchors A are fastened to the fastening portions 470 in the process of connecting the plurality of segments 400 to each other using bolts and nuts, the fastening properties between the rock tunnel surfaces and the segments 400, It is possible to prevent the segments 400 radially installed along the circular rock tunnel surface from collapsing.

Since the reinforcing member 300 and the segments 400 are used to reinforce the single-layer crushing section by assembling the segments 400, it is possible to reduce the construction period as well as the cost reduction effect, Can be prevented in advance.

The gripper body 200 according to the present invention includes a gripper body housing portion 210 having an outer surface of the forward movement portion 120 and having a gripper cylinder 211 and a gripper body housing portion 210 connected to the gripper cylinder 211, And a gripper 230 connected to the front and rear vibrating part 220. The front and rear vibrating part 220 includes a front and rear vibrating part 220 which is moved forward and backward from the gripper body housing part 210 by the operation of the grip part 211.

In the gripper body 200 of the present invention as described above, the gripper cylinder 211, that is, the pulling-out and pulling-in operation of the gripper cylinder 211 advances and retracts the front and rear vibration parts 220, The gripper 230 connected to the crushing portion 220 is advanced to the side of the rock tunnel surface to be brought into close contact or backward from the rock tunnel surface to release the close contact.

The gripper 230 is further provided with a non-slip pad part 240 for enhancing the adhesion between the arm and the arm which is drilled by the cutter head 110 or the segment which is applied to the single-layer crush section As the non-slipping pad portion 240 is further provided, the adhesion with the segment 400 and the frictional force against the contact surface, as well as the contact force with the rock tunnel surface where the segment 400 is not provided and the frictional force with respect to the contact surface, The excavator 100 can be firmly supported when the excavator 100 moves forward.

The reinforcing member 300 is further provided with a probe drill mounting body 500 capable of mounting a probe drill D for performing advanced boring on a single-layer crushing section of a rock tunnel to be excavated.

The probe drill mounting body 500 includes a first mounting bracket 510 connected to the reinforcing body rotating portion 320 of the reinforcing member 300 and a second mounting bracket 510 connected to the reinforcing member housing portion 310. [ A first mounting cylinder 530 connected to the second mounting bracket 520 and a first hinge bracket 540 hinged to the first mounting bracket 510, 2 is an exploded perspective view of the probe drill 550. The probe drill 550 is mounted on the drill mount 551. The probe drill 550 is hinged to the first mount cylinder 530 connected to the mount bracket 520, D to rotate the drill drive unit 560.

The probe drill body 500 is connected to the reinforcing body rotating part 320 by the first mounting bracket 510 so that the probe drill body 500 is rotated in accordance with the rotation of the reinforcing body rotating part 320 Multi-directional near-field anterior geological survey is possible for single-crushing sections that are excavated in a circular manner.

As a result of the provision of the probe drill gantry 500 as described above, medium / large scale collapse occurs at the upper part of the upper part during the excavation work of the rock tunnel, so that fore-poling pre-grouting reinforcement work The probe drill D mounted on the probe drill mounting body 500 may be mounted on the probe drill mounting body 500 and then drilled to perform the reinforcing operation.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention

100: excavator body 110: rotary cutter head
120: forward moving part 200: gripper body
210: gripper housing part 211: gripper cylinder
220: front and rear vibrating part 230: gripper
240: non-slip pad portion 300: reinforcement member
310: reinforcement member housing part 311: bearing part
320: Reinforcing body rotating part 321: Support frame part
322: Interlocking gear 330: Reinforcing body rotating motor
331: driving gear 340: first cylinder
350: second cylinder 341, 351: reinforcing member bracket
360: first link portion 370: second link portion
380: segmenter 381: connecting projection
400: segment 410: upper surface plate
411: first fastening hole 420: bottom plate
421: second fastening hole 430: seat face plate
431: third fastening hole 440: right side plate
441: fourth fastening hole 450: front plate
451: fastening groove portion 460: rear plate
470: fastening part 500: probe drill mounting body
510: first mounting bracket 520: second mounting bracket
530: first implement cylinder 540: first hinge bracket
550: housing housing 560: drill drive

Claims (6)

A drill body (100) having a rotary cutter head (110) for drilling a rock through drilling by rotation and a forward movement section (120) for advancing the rotary cutter head (110);
A gripper body 200 provided on an outer surface of the forward movement portion of the excavator body 100 and supporting the excavator body 100 when the excavator body 100 is moved forward while closely contacting the excavated arm;
A reinforcing body 300 provided between the rotary cutter head 110 of the excavator 100 and the gripper body 200 to reinforce a single fracture section during excavation of a rock;
And a segment (400) applied to the single-layer crushing section by the reinforcement member (300)
The reinforcing member (300)
A reinforcing body housing part 310 having an outer surface of the forward movement part 120 of the excavator body 100 and having a bearing part 311;
A reinforcing body rotating part 320 connected to the reinforcing body housing part 310 by a supporting frame part 321 and positioned at a periphery of the reinforcing body housing part 310 and having an interlocking gear 322 along an inner peripheral surface thereof; ;
A reinforcing body rotating motor 330 having a driving gear 331 meshed with the interlocking gear 322 of the reinforcing body rotating part 320;
A first cylinder part 340 and a second cylinder part 350 connected to the reinforcement body rotation part 320 and the reinforcement body brackets 341 and 351;
A first link portion 360 connected to one side of the first cylinder portion 340 and a second link portion 370 connected to the second cylinder portion 350 at one side;
And a segment actuator 380 having a connecting protrusion 381 connected to the other side of the first link unit 360 and the other side of the second cylinder unit 350 and connected to the segment 400,
The segment (400)
A top plate 410 having a plurality of first fastening holes 411 formed therethrough;
A bottom plate 420 having a plurality of second fastening holes 421 formed therethrough;
A seat plate 430 having a plurality of third fastening holes 431 formed therethrough;
A right side plate 440 having a plurality of fourth fastening holes 441 formed therethrough;
The upper plate 410 is connected to the lower plate 420, the seat plate 430 and the right plate 440 and is located on the front side. The first and second fastening holes 411 and 421, And a fastening groove portion 451 corresponding to the fastening hole 431 and the fourth fastening hole 441 are respectively provided in the fastening portion 120. When the fastening portion 120 is moved forward by the fastening portion 120, 200) are closely contacted with each other;
A rear plate 460 disposed at the rear side of the upper plate 410 to connect the lower plate 420, the seating plate 430 and the right plate 440;
When the connecting protrusion 381 of the segmenter 380 is connected to the front plate 450 and the rear plate 460 and is in close contact with the single-layer crushing section, the set anchor A is closely contacted with the single- And a fastening part (470) to be fastened to the TBM.
delete The method according to claim 1,
The gripper body (200)
A gripper body housing part 210 provided on the outer surface of the forward movement part 120 and having a gripper cylinder 211;
A front and rear vibrating part 220 connected to the gripper cylinder 211 to move forward and backward from the gripper body housing part 210 by the operation of the gripper cylinder 211;
And a gripper (230) connected to the front and rear vibration members (220).
The method of claim 3,
On the surface of the gripper 230
Further comprising a non-slip pad part (240) for enhancing the adhesion of the arm (250) drilled by the cutter head (110) or the segment (400) installed in the single fracture section Excavation reinforcement of soft ground in tunnel.
The method according to claim 1,
In the reinforcing member 300,
The apparatus according to claim 1, further comprising a probe drill mounting body (500) capable of mounting a probe drill (D) for forward advanced boring to a single-layer crushing section of a rock tunnel to be excavated. Reinforcing device.
6. The method of claim 5,
The probe drill mounting body (500)
A first mounting bracket 510 connected to the reinforcing body rotating part 320 of the reinforcing member 300;
A second mounting bracket 520 connected to the reinforcing member housing part 310;
A first mounting cylinder 530 connected to the second mounting bracket 520;
And a first hinge bracket 540 hinged to the first mounting bracket 510 and hinged to a first mounting cylinder 530 connected to the second mounting bracket 520, A housing housing 550 having an inner surface;
And a drill driving unit (560) for rotating the probe drill (D) mounted on the drill mounting unit (551). The soft ground excavation reinforcing apparatus in the improved TBM rock tunnel.

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