JP3615965B2 - Electa device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to tunnel excavation such as tunnel boring machines and shield excavators that excavate the ground and construct tunnels.In machineThe present invention relates to an erector apparatus that is mounted to assemble a support.
[0002]
[Prior art]
A conventional tunnel boring machine is composed of a cylindrical front and rear cylinders, and a cutter head having a roller cutter is rotatably mounted on the front of the front cylinder, and is driven and rotated by a cutter turning motor. It is possible. A bulkhead is formed in the front barrel so that the shear generated by excavation does not enter the interior, and a chamber is formed, and the front end portion of the belt conveyor that discharges the shear to the outside in this chamber Is located.
[0003]
In addition, a plurality of thrust jacks are installed between the front and rear cylinders, and the relative positions of the front and rear cylinders are changed by expanding and contracting by supplying and discharging hydraulic pressure to and from the thrust jacks. be able to. A front gripper is attached to the front cylinder, and the front cylinder can be held in position by projecting the gripper shoe in the radial direction by a hydraulic jack. On the other hand, a rear gripper is attached to the rear cylinder, and the rear cylinder can be held in position by projecting the gripper shoe in the radial direction by a hydraulic jack.
[0004]
Furthermore, in the rear part of the back trunkHAn erector device is attached to the inner wall surface of the tunnel.
[0005]
Therefore, when the cutter gripping motor is driven to rotate the cutter head while the rear gripper is held unmovable by the rear gripper, each thrust jack is extended and the cutter head is moved forward together with the front drum to turn. The roller cutter of the cutter head shears and breaks the rock in front and excavates this rock. When each thrust jack is extended by a predetermined stroke, the front cylinder is held in position by the front gripper, and after the rear cylinder is held off by the rear gripper, the thrust jack is contracted to draw the rear cylinder to the front cylinder. Then, while the rear cylinder is held in position again by the rear gripper, the position holding of the front cylinder by the front gripper is released, and then each thrust jack is extended to move the cutter head forward together with the front cylinder. Drilling. The tunnel is continuously excavated by repeating this operation.
[0006]
The shear generated by the rock excavation is taken into the chamber and discharged to the outside by the belt conveyor. In the process of excavating and forming a tunnel by excavating the rock mass, if the wall surface of this excavated tunnel is stable, no support is required, but if it is slightly unstable, The tunnel is protected so that rock pieces do not peel off from the wall surface using a ring-shaped H-shaped steel or wooden plate as a support.
[0007]
[Problems to be solved by the invention]
In the conventional tunnel boring machine described above, each thrust jack is extended with the rear cylinder held in position by the rear gripper, so that the front cylinder and the cutter head are advanced with respect to the rear cylinder, and the rotating cutter head is used. While excavating the front rock, behind the rear trunk, according to the wall surface of the tunnel that has been excavated, an H-shaped steel or the like is formed into a ring shape by an erector device and attached to the tunnel wall surface as a support to protect the tunnel ing.
[0008]
This erector apparatus generally supports a swivel ring at the rear part of a rear trunk so as to be able to swivel, and a plurality of grips for gripping H-shaped steel are attached to the swivel ring, and the gripToIt is movable in the radial and circumferential directions within the tunnel. AndTheA plurality of H-shaped steels carried into the lower part of the tunnel are gripped by each grip in order, assembled in a ring shape while moving, and assembled to the tunnel wall surface as a support. As described above, the erector apparatus has a problem that grips are required as many as the number of H-shaped steels to be assembled in a ring shape, which increases the size and makes the structure complicated.
[0009]
In addition, this erector device has a gripIsDrive devices such as motors and jacks are installed because it is necessary to move in the radial direction and circumferential direction in the tunnel, and the electric and hydraulic devices installed in this grip from the electric motor and hydraulic source installed in the tunnel boring machine. Cables and hydraulic hoses are routed. Therefore, when the grip turns, this cable or hydraulic hoseIsSince it moves in the tunnel, it interferes with other operations and may damage the cable and the hydraulic hose.
[0010]
The present invention solves such problems, and simplifies the assembly work of the support and reduces the size and weight of the apparatus, while facilitating the handling of the drive cable and improving the workability of the tunnel construction work. Erecta equipmentPlaceThe purpose is to provide.
[0011]
[Means for Solving the Problems]
In order to achieve the above object, an erector apparatus according to claim 1 is an erector apparatus for assembling a support carried into a tunnel, wherein the winch and one end are wound by the winch and the other end is supported. A wire rope that can be connected; and a plurality of support support members that are arranged along an inner wall surface of the tunnel excavator to support the support and to which the wire rope is wound, and the winch and each of the support support members Is mounted on a support plate disposed along the inner wall surface of the tunnel excavator.SupportedA locking portion that is supported by a plurality of swiveling rollers so as to be rotatable, and that locks the other end of the wire ropeHaveA swivel ring is further provided.
[0012]
In the erector apparatus of the invention of claim 2,Support expansion means for moving the support in a temporarily assembled state supported by the support support member on the swivel ring in the radial direction and closely contacting the inner wall surface of the tunnel is provided.It is characterized by that.
[0013]
In the erector apparatus according to the third aspect of the present invention, in the erector apparatus for assembling the support carried into the tunnel, the winch and the end are wound by the winch.RuA wire rope, and a plurality of support members arranged around the inner wall surface of the tunnel excavator to support the support and around which the wire rope is wound. Attaching to the support plate disposed along the wall surface, attaching the two winches adjacent to the support plate, winding one end of the wire rope with the first winch, and the other end The wire rope is wound around each supporting support member and wound by a second winch.On the wayIt is characterized in that the support can be connected to.
[0014]
In the erector apparatus according to the fourth aspect of the present invention, in the erector apparatus for assembling the support carried into the tunnel, a winch and a wire rope having one end wound up by the winch and the other end connected to the support. A plurality of support members disposed along the inner wall surface of the tunnel excavator to support the support and to which the wire rope is wound, and are provided on the inner wall surface of the tunnel excavator.OrthogonallyA support expansion means for moving the support in a temporarily assembled state supported by the support support member to a fixed support plate in a radial direction so as to be in close contact with the inner wall surface of the tunnel is provided, and the support expansion means is tiltable. It is a feature.
[0015]
Further, in the erector apparatus according to the invention of claim 5, in the erector apparatus for assembling the support carried into the tunnel, a winch and a wire rope having one end wound up by the winch and the other end connected to the support. A support provided along the inner wall surface of the tunnel excavator, and provided with a plurality of support members that support the support and are arranged around the inner wall surface of the tunnel excavator. On the plateSupportedA swivel ring supported by a plurality of swivel rollers is further provided, and the winch is attached to the swivel ring.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0017]
FIG. 1 shows a schematic cross section of a tunnel boring machine as a tunnel excavator equipped with an erector apparatus according to the first embodiment of the present invention, FIG. 2 shows a rear gripper II-II cross section, and FIG. 3 shows an erector apparatus. FIG. 4 is a cross-sectional view taken along the line III-III in FIG. 1, FIG. 4 is a plan view of the grip, FIG. 5 is a front view of the grip, and FIG.
The cross section showing is shown.
[0018]
In a tunnel boring machine (hereinafter referred to as TBM) 10 of this embodiment, as shown in FIGS. 1 to 3, a cylindrical body 11 has a front cylinder 12 and a rear cylinder 13 connected by a connecting cylinder 14. Configured. A cutter head 16 is rotatably mounted on the front portion of the front cylinder 12 by a bearing 15, and a large number of roller cutters 17 for shearing and breaking the rock mass are pivotally attached to the front portion of the cutter head 16 and crushed rock fragments. An opening 18 for taking in shear such as sand and earth and sand is formed. A ring gear 19 having internal teeth is integrally fixed to the rear portion of the cutter head 16, while an electric or hydraulic cutter turning motor 20 is fixed to the front body 12. The drive gear 21 is engaged with the ring gear 19.
[0019]
Accordingly, when the cutter turning motor 20 is driven and the drive gear 21 is driven to rotate, the ring gear 19 with which the drive gear 21 meshes rotates, the cutter head 16 integrated with the ring gear 19 rotates, and the roller cutter 17 shears the rock. Then, the generated shear can be taken into the body 11 from the opening 18.
[0020]
A plurality of front grippers 22 are mounted on the front barrel 12, and the front barrel 12 can be moved by being housed inside during excavation, and project outward when refilling.AtThe front barrel 12 can be held in position by being pressed against the wall surface of the tunnel. On the other hand, a rear gripper 23 is provided on the rear body 13, and the rear gripper 23 is configured by connecting gripper shoes 25 to left and right ends of a pair of upper and lower gripper jacks 24. Then, the gripper jack 24 is contracted and the gripper shoe 25 is accommodated in the rear barrel 13 so that the gripper jack 24 can be moved, the gripper jack 24 is extended, and the gripper shoe 25 is extended outward.TThe rear cylinder 13 can be held in position by being pressed against the wall surface of the tunnel.
[0021]
Between the front cylinder 12 and the rear cylinder 13, a plurality of (herein, 12) thrust jacks 26 are installed as trunk promotion jacks. The thrust jack 26 is expanded and contracted by supplying and discharging hydraulic pressure, and one end of the thrust jack 26 is swingably supported by a bearing 27 fixed to the front cylinder 12, and the other end is supported by the rear cylinder 13. It is supported by a fixed bearing 28 so as to be swingable. The slide jacks 26 are arranged adjacent to each other. For example, one slide jack 26 adjacent to each other is inclined in one circumferential direction of the cutter head 16 and the other thrust jack 26 is in the other circumferential direction. The parallel link mechanism 29 is configured by being inclined and disposed in a truss shape as a whole.
[0022]
Therefore, in this parallel link mechanism 29, the relative positions of the front cylinder 12 and the rear cylinder 13 can be changed by extending and contracting each drive rod of each thrust jack 26. Further, in the parallel link mechanism 29, by changing the operation strokes of the thrust jacks 26, the front cylinder 12 having the cutter head 16 is bent with respect to the rear cylinder 13, and the digging direction can be changed.
[0023]
A support frame 30 penetrates through the center of the body 11 and is supported by the rear body 13. A belt conveyor 31 for carrying out the excavated shear is disposed in the support frame 30. A hopper 33 for collecting the sheared crush of the roller cutter 17 is fixed to a chamber 32 formed by the cutter head 16 and the front cylinder 13, and the front end portion of the belt conveyor 31 extends to the lower side of the hopper 33. The rear end portion extends behind the tunnel.
[0024]
As shown in FIG. 1, the connecting cylinder 14 is connected to the front barrel 12 at the front end, and to the movable jack 37 attached to the rear barrel 13 at the rear end. As described above, the TBM 10 can bend the front cylinder 12 with respect to the rear cylinder 13 by changing the operation stroke of each thrust jack 26 of the parallel link mechanism 29. Since it bends between the end portion and the rear trunk 13, earth and sand will adhere to this bent portion during excavation. Therefore, the excavation of the body 11 is stopped during excavation, the moving jack 37 is extended, and the connecting cylinder 14 and the rear cylinder 13 are separated from each other, so that a gap is provided between them, and the attached earth and sand can be removed. .
[0025]
By the way, the TBM of this embodiment is a tunnel excavator for rock excavation, which obtains the excavation reaction force by the rear gripper 23 and propels the trunk 11, but the ground under excavation changes from the rock layer to the general soil layer. In this case, the excavated tunnel wall surface is soft and the rear gripper 23 cannot obtain the excavation reaction force, so that the body 11 can be propelled by obtaining the excavation reaction force from the segment like a shield excavator. Yes. That is, an arc-shaped press plate 34 is fixed to the left and right inner walls of the rear cylinder 13, and a plurality of shield jacks 35 are arranged in parallel along the circumferential direction on the upper and lower inner walls of the rear cylinder 13. When the thrust jacks 26 of the parallel link mechanism 29 are extended, the press plate 34 can obtain an excavation reaction force by pressing the rear end face against an existing segment (not shown) located rearward. In addition, when the excavation reaction force is obtained on soft ground, the excavation reaction force is obtained by moving only the shield jack 35 and moving the spreader 36 backward without pressing the parallel link mechanism 29 and pressing it against the existing segment. You can also. In this case, the press plate 34 may be eliminated, and a plurality of shield jacks 35 may be provided on the inner wall of the rear cylinder 13 over the entire circumference. When the shield jacks 35 are disposed on the left and right inner walls of the rear cylinder 13, the rear gripper 23 It is only necessary to provide a long hole along the operating direction and to penetrate the hole.
[0026]
Further, at the rear part of the rear trunk 13, there is a support T and the above-mentioned segment.ToAn erector device 41 to be assembled to the inner wall surface of the tunnel is provided. That is, in this erector device 41, as shown in FIG. 1 and FIG.As a support plateA plurality of swivel rollers 43 are mounted by the bracket 42, and a swivel ring 44 is rotatably supported by each swivel roller 43. An internal gear 45 is formed on the turning ring 44, and a hydraulic motor 47 as a turning means is attached to the rear body 13 by a bracket 46, and a drive gear 48 of the hydraulic motor 47 is connected to the internal gear 45. I'm engaged. Therefore, the turning ring 44 can be turned by the hydraulic motor 47.
[0027]
In addition, a part of the brackets 42 (five in this embodiment) for supporting the swivel rollers 43 are integrally formed with a stock stand 49 as a supporting support member extending rearward of the tunnel excavator. A plurality of support rollers 50 that support the support T are mounted on the base 49. Then, one end of the wire rope 51 is wound on the inner peripheral surface of the rear end portion of the rear barrel 13 at the lower portion.RuWinch 52Through the bracket 42It is installed. On the other hand, the swiveling ring 44 is equipped with a grip 53 as a support expansion means for moving a plurality of support T in the temporarily assembled state in the radial direction of the tunnel so as to be in close contact with the inner wall surface, and a wire unwound from the winch 52. A locking portion 54 that can lock the hook 51 a at the other end of the rope 51 is provided. The plurality of support rollers 50 can support the support T and can hang the wire rope 51. And in this erector apparatus 41, while being able to connect the edge part of four support T to the other end of the wire rope 51 unwound from the winch 52, each support roller 50 can support four support T. The grip 53 can hold a set of supports T from a plurality of supports T in a temporarily assembled state supported by the support roller 50 and closely adhere to the inner wall surface of the tunnel. In addition, the grip 53 can also be attached to the inner wall surface of the tunnel by gripping the loaded segment instead of the support T.
[0028]
In this grip 53, as shown in FIGS. 3 to 5, a grip body 61 is supported on a pivot ring 44 by a pair of left and right brackets 59 via a link mechanism 60 so as to be movable in the radial direction in a horizontal state. . The link mechanism 60 includes a straight link 62 and a bent link 63 installed on the bracket 59 and the grip body 61, and a lifting jack 64 installed on the bracket 59 and the bent link 63. A movable body 66 is supported on the grip body 61 along the guide rod 65 so as to be horizontally movable, and can be moved by a horizontal jack 67 installed between the grip body 61 and the movable body 66. A pair of gripping claws 69 capable of gripping the support T by being opened and closed by an opening / closing jack 68 are mounted on the moving body 66. Accordingly, the grip body 61 can be moved in the radial direction by the link mechanism 60 by extending and retracting the lifting jack 64, and the moving body 66 can be moved horizontally by extending and retracting the horizontal jack 67. Support T gripped by gripping claws 69ToCan be assembled to the inner wall of the tunnel.
[0029]
Although not shown, a temporary support stand for temporarily placing the support T is provided adjacent to the erector device 41, and the support T is supported by the support supply cart.TWhen it is carried into the tunnel, the hoist moves the support T on the support supply carriage forward and places it on the support temporary storage base.
[0030]
Here, tunnel excavation work and support assembly work using the TBM 10 of the present embodiment described above will be described.
[0031]
As shown in FIG. 1, gripper shoes 25 are provided by gripper jacks 24 of the rear gripper 23.ToHold the position in pressure contact with the inner wall of the tunnel. In this state, while rotating the cutter head 16 by the cutter turning motor 20, each thrust jack 26 of the parallel link mechanism 29 is extended to obtain a digging reaction force from the rear cylinder 13 and advance the front cylinder 12. Each roller cutter 17 of the cutter head 16 moves forward by crushing the ground in front.
[0032]
Thus, when each thrust jack 26 extends a predetermined stroke and the cutter head 16 excavates a tunnel of a predetermined length, the position holding by the rear gripper 23 is released, while the front trunk 12 is positioned on the excavation ground by the front gripper 22. Hold. Then, each thrust jack 26 is contracted to draw the rear cylinder 13 forward with respect to the front cylinder 12. Then, as described above, the position holding by the front gripper 22 is released, while the rear gripper 23ToEach roller cutter 17 excavates the ground in front by holding the position on the inner wall surface of the tunnel and extending each thrust jack 26 to advance the front barrel 12 while rotationally driving the cutter head 16.
[0033]
The shear excavated by the cutter head 16 is taken into the chamber 32, accumulated in the hopper 33, and discharged to the outside by the belt conveyor 31. Tunnel excavation work is continuously performed by repeating this work.
[0034]
In the present embodiment, during excavation or at the end of excavation work, the erector device 41 temporarily assembles four sets of supports T into a ring shape, and expands this temporary set support T.TAssemble closely to the inner wall of the tunnel. Hereinafter, the assembling work of the support T will be described.
[0035]
Multiple support T is supported by support supply cartTIt is carried into the tunnel, moved forward by a hoist, and four supporting T_AIs placed on the temporary support table. First, as shown in FIG. 3, the turning ring 44 is turned by the hydraulic motor 47 to bring the locking portion 54 close to the winch 52, and the hook 51 a at the other end of the wire rope 51 unwound from the winch 52 is engaged. Lock to the stop 54. Then, the swiveling ring 44 is swung in the clockwise direction in FIG. 3, so that the wire rope 51 is unwound from the winch 52 and wound around the support rollers 50, and the locking portion 54.ToSupport T carried into the tunnel_AApproach the end of the.
[0036]
Here, as shown in FIG. 6 (a), the hook 51a locked to the locking portion 54 is supported._AThe wire rope 51 is locked to the end of the wire T_AAre connected. At this time, four supporting Ts for the hook 51a_AAre connected. Next, the support T connected by operating the winch 52 and winding the wire rope 51._AIs pulled counterclockwise in FIG. 6 (a), and four supporting T_AIs supported while being supported by the support roller 50, and four support T_BIs placed on the temporary support stand,_AAnd support T_BBoth end portions are connected by a bolt B in a state where the degree of freedom is provided in the alignment operation of the connection. Then, as shown in FIG. 6 (b), the support T connected by operating the winch 52 again and winding the wire rope 51._A, T_BIs pulled counterclockwise in FIG. 6 (a), and four supporting T_A, T_BIs supported while being supported by the support roller 50, and four support T_CIs placed on the temporary support table, the support T_BAnd support T_CBoth end portions are connected by bolts B with a degree of freedom in the alignment operation of the connection.
[0037]
In this way, the ends are connected to the wire rope 51 and four sets of supporting T are secured by the bolts B to each other._A, T_B, T_CAre temporarily connected to each other, the winch 52 is actuated again and the wire rope 51 is wound to connect the supporting T_A, T_B, T_CSupport T connected between_BIs located at the top. In this state, one set of support T temporarily assembled by the grip 53_A, T_B, T_CHold one by oneTAssemble to the wall of the tunnel.
[0038]
In other words, four sets of support T (T_A, T_B, T_C) Is supported by the support roller 50, and when it reaches a predetermined support assembly position, as shown in FIG._BAnd move it to the specified position.TPress contact with the inner wall of the tunnel. And the support T is supported by a support expansion device (not shown)._A, T_C ToAfter pressing against the inner wall of the tunnel, the support T_A, T_CA support (not shown) is assembled between_A, T_CAre connected to each other to form a circular support, and each bolt B is fastened and fixed. Then, when the excavation for a predetermined length proceeds and comes to the support assembly position, the grip 53 is set to one set of support T (T_A, T_B, T_C) From the stock stand 49TAssemble to the inner wall of the tunnel.
[0039]
As described above, in the TBM 10 according to the present embodiment, a plurality of support rollers 50 are mounted on the rear portion of the body 11 and a winch 52 around which one end of the wire rope 51 is wound is mounted on the lower portion. The erector apparatus 41 is configured by mounting the grip 53 and providing the locking portion 54 that can lock the hook 51a of the wire rope 51 unwound from the winch 52._A, T_B, T_CCan be easily assembled temporarily in a short time, and the work time of tunnel excavation and support assembly can be greatly shortened by improving workability, and the erector device 41 can be made compact. Weight can be reduced. In addition, a plurality of sets of support T are temporarily assembled, and each set of support T is supported at a predetermined assembly position according to the progress of excavation.ToIt can be assembled to the inner wall surface of the tunnel, the work time can be shortened, and the support assembly efficiency can be improved. In addition, multiple support T_A, T_B, T_CSince there is no need to turn the swivel ring 44 during temporary assembly work, electric cables and hydraulic hosesIsIt does not move through the tunnel, does not interfere with other operations, and does not damage this electrical cable or hydraulic hose.
[0040]
FIG.as well asFIG. 8 shows the second of the present invention.Third embodimentThe outline of the erector apparatus which concerns on is shown. In addition, the same code | symbol is attached | subjected to the member which has the same function as what was demonstrated in embodiment mentioned above, and the overlapping description is abbreviate | omitted.
[0041]
In the erector apparatus 71 of the second embodiment, as shown in FIG. 7, a plurality of support rollers 50 that support the support T by a support bracket (not shown) are mounted along the rear end inner wall surface of the rear barrel 13, and the lower part A first winch 52 a wound at one end of the wire rope 51 and a second winch 52 b wound at the other end of the wire rope 51 are mounted adjacent to each other.On the wayA hook 51a is attached to the. On the other hand, a swiveling ring 44 is rotatably supported on the inner wall of the rear end of the rear barrel 13 by a plurality of swiveling rollers (not shown). A plurality of support T in a temporarily assembled state are supported on the swiveling ring 44 in the radial direction of the tunnel. A grip 53 is attached so as to move to the inner wall surface.
[0042]
Accordingly, first, the winches 52a and 52b are operated to move the wire rope 51, and the hook 51a is moved.ToSupport T carried into the tunnel_AThe hook 51a is supported T._AThis support T is secured to the wire rope 51 by locking to the end of the wire._AAre connected. Next, the supporting T connected by winding the wire rope 51 by operating the winches 52a and 52b._ATow and support T_AIs lifted while being supported by the support roller 50. And when the support to be connected next is carried in, support T_AIn the same manner as described above, the ends of the three supports are connected with bolts to form a temporarily assembled state, and the support T temporarily assembled by the grip 53 is held.TAssemble to the wall of the tunnel.
[0043]
As described above, in the erector apparatus 71 of the present embodiment, each end portion of the wire rope 51 wound around the plurality of support rollers 50 is wound by the first winch 52a and the second winch 52b, respectively. So, support T_AThe hook 51a that is locked to the end of the hook can be easily moved, and workability can be improved.
[0047]
First3In the erector apparatus 91 of the embodiment,FIG. ( a ) , (B)As shown in FIG. 2, a grip 92 for moving the plurality of temporarily assembled supports T in the radial direction of the tunnel and closely contacting the inner wall surface is providedOrthogonallyIt is attached to the fixed support wall 93, and the other configurations are substantially the same as those of the above-described erector device 41 of the first embodiment. That is, in the grip 92, an inclined plate 94 is rotatably attached to a support wall 93 as a support plate and can be rotated by an inclined jack 95. A grip body 61 is supported on the inclined plate 94 via a link mechanism 60 so as to be movable in the radial direction in a horizontal state. A movable body 66 is supported on the grip body 61 so as to be horizontally movable, and can be moved by a horizontal jack 67. The movable body 66 is opened and closed by an open / close jack 68 to be able to grip the support T. A gripping claw 69 is attached.
[0048]
Therefore, when the three supports are connected in a temporarily assembled state using a winch, a wire rope, a support roller, etc. (not shown), the support temporarily assembled using the grip 92 is held.TAssemble to the wall of the tunnel. In other words, the grip body 61 is moved in the radial direction by the link mechanism 60 by expanding and contracting the lifting jack 64, and the moving body 66 is horizontally moved by extending and contracting the horizontal jack 67, and the gripping claws 69 of the opening and closing jack 68 are gripped. SupportToAttach to the inner wall of the tunnel. AndTheWhen the concrete is sprayed after the support is assembled to the inner wall surface of the tunnel, the grip 92 is not disturbed by rotating the grip 92 together with the inclined plate 94 by the inclined jack 95. .
[0049]
As described above, in the erector apparatus 91 of the present embodiment, a winch, a support roller, and the like are mounted on the rear end portion of the body 11, and the grip 92 is mounted on the rear end portion of the body 11 as a tiltable type. This eliminates the need for a swivel ring and simplifies the structure, as well as electric cables and hydraulic hoses.IsIt does not move in the tunnel, and workability can be improved.
[0050]
In each of the above-described embodiments, the winches 52, 52a, and 52b are attached to the rear end portion of the body 11,As a fourth embodiment,The winches 52, 52a, 52b are attached to the swivel ring 44, and the winch 52, 52a, 52b does not interfere with the work by swiveling the swivel ring and moving it to an appropriate position when concrete is sprayed. It may be.
[0051]
Further, in each of the above-described embodiments, the erector devices 41, 71, 81, 91 use the support T obtained by dividing one ring into four parts, but the number of divisions is not limited to four, and may be three or five. Further, the temporary assembly support T is not limited to 4 sets, and may be 2 sets or 5 sets.
[0052]
【The invention's effect】
As described above, according to the erector apparatus of the invention of claim 1 as described in the embodiment, in the erector apparatus for assembling the support carried into the tunnel, the winch and one end portion are wound by the winch and the other end portion is wound. A wire rope that can be connected to the support, and a plurality of support support members that are arranged along the inner wall surface of the tunnel excavator to support the support and to which the wire rope is wound, The supporting support member is attached to a support plate disposed along the inner wall surface of the tunnel excavator, while the support plateSupportedA locking portion that is supported by a plurality of swiveling rollers so as to be rotatable, and that locks the other end of the wire ropeHaveSince the swivel ring is further provided, a plurality of supports can be sequentially connected and easily assembled temporarily in a short time, workability can be improved, and the apparatus can be reduced in size and weight. Moreover, the other end part of a wire rope can be easily connected to a support, and workability | operativity can be improved.
[0053]
According to the erector apparatus of the invention of claim 2,Since the support in the temporarily assembled state supported by the support support member on the swiveling ring is provided in the radial direction so as to closely contact the inner wall surface of the tunnel, the support is expanded after the support is temporarily assembled. It can be in close contact with the inner wall surface of the existing tunnel, and workability can be improved.
[0054]
According to the erector apparatus of the invention of claim 3, in the erector apparatus for assembling the support carried into the tunnel, the winch and the end are wound up by the winch.RuA wire rope, and a plurality of support members arranged around the inner wall surface of the tunnel excavator to support the support and around which the wire rope is wound. Attaching to the support plate disposed along the wall surface, attaching the two winches adjacent to the support plate, winding one end of the wire rope with the first winch, and the other end The wire rope is wound around each supporting support member and wound by a second winch.On the waySince the supports can be connected to each other, a plurality of supports can be sequentially connected and easily assembled temporarily in a short time, workability can be improved, and the apparatus can be reduced in size and weight. Moreover, the movement of the wire rope connected to the end portion of the support becomes easy, and the support assembly efficiency can be improved by shortening the working time.
[0055]
According to the erector apparatus of the invention of claim 4, in the erector apparatus for assembling the support carried in the tunnel, the winch and the wire whose one end is wound by the winch and the other end can be connected to the support. A rope and a plurality of support members arranged around the inner wall surface of the tunnel excavator to support the support and around which the wire rope is hung, are provided on the inner wall surface of the tunnel excavator.OrthogonallySince a support expansion means for moving the support in a temporarily assembled state supported by the support support member to the fixed support plate in the radial direction and closely contacting the inner wall surface of the tunnel is provided, and the support expansion means is a tiltable type. A plurality of supports can be sequentially connected and easily assembled temporarily in a short time, so that workability can be improved and the apparatus can be reduced in size and weight. In addition, the structure is simplified because the swiveling ring is not required, and the workability can be improved without the electric cable or the hydraulic hose moving in the existing tunnel.
[0056]
According to the erector apparatus of the invention of claim 5, in the erector apparatus for assembling the support carried into the tunnel, the winch and the wire whose one end is wound up by the winch and the other end can be connected to the support. A rope, and a plurality of support members arranged around the inner wall surface of the tunnel excavator to support the support and around which the wire rope is wound, and are arranged along the inner wall surface of the tunnel excavator On the support plateSupportedFurther equipped with a swivel ring that is pivotably supported by a plurality of swivel rollers, and the winch is mounted on the swivel ring, so that a plurality of supports can be sequentially connected and easily assembled temporarily in a short time. In addition, the apparatus can be reduced in size and weight. Further, when desired, by turning the swivel ring and moving the winch to an appropriate position, it is possible to improve workability without interfering with concrete spraying work.
[0057]
[Brief description of the drawings]
FIG. 1 shows a tunnel as a tunnel excavator equipped with an erector apparatus according to a first embodiment of the present invention.
It is a schematic sectional drawing of a boring machine.
2 is a cross-sectional view taken along the line II-II of FIG. 1 showing a rear gripper.
3 is a cross-sectional view taken along the line III-III in FIG. 1 showing the erector apparatus.
FIG. 4 is a plan view of the gripper.
FIG. 5 is a front view of the gripper.
FIG. 6 is a cross-sectional view illustrating an assembling process of a support by an erector device.
FIG. 7 is a schematic view of an erector apparatus according to a second embodiment of the present invention.
FIG. 8 is a schematic view of an erector apparatus according to a third embodiment of the present invention.
[Explanation of symbols]
10 Tunnel boring machine (TBM)
11 Torso
12 Front torso
13 Rear trunk
14 Connecting cylinder
16 Cutter head
20 Cutter turning motor (Cutter head drive means)
22 Front gripper
23 Rear gripper
26 Thrust jack
29 Parallel link mechanism (fuselage propulsion jack)
30 Support frame
31 Belt conveyor
41 Electa device
42 Bracket (support plate)
43 Rotating roller
44 Swivel ring
47 Hydraulic motor (turning means)
49 Stock stand (support support member)
50 Support roller
51 wire rope
51a hook
52 winches
53 Grip (support extension means)
54 Locking part
92 grip (support expansion means)
93 Support wall (support plate)
T, T_A  , T_B  , T_C    Support

Claims (5)

In an erector device that assembles a support carried into a tunnel, a winch, a wire rope that has one end wound up by the winch and the other end connected to the support, and an inner wall surface of the tunnel excavator A plurality of support members that support the support and on which the wire rope is wound, and the winch and each support member are mounted on a support plate disposed along the inner wall surface of the tunnel excavator On the other hand, an erector apparatus further comprising a swiveling ring that is pivotally supported by a plurality of swiveling rollers supported by the support plate and has a locking portion that locks the other end of the wire rope. . 2. The erector apparatus according to claim 1, wherein a support expansion means is provided for moving the support in a temporarily assembled state supported by the support support member on the swiveling ring in a radial direction so as to closely contact the inner wall surface of the tunnel. Electa device. The wire with the erector apparatus for assembling a支保carried into the tunnel to support the winch, a wire rope end that is taken either up by the winch, the支保is disposed along the inner wall surface of the tunnel boring machine A plurality of support support members around which the rope is wound, and each support support member is attached to a support plate disposed along the inner wall surface of the tunnel excavator, and the winch is adjacent to the support plate. two Te attached to, one end of the wire rope winding by the first winch, taken up by the second winch from turning over the other end portion to each支保support member, in the middle of the wire rope An erector apparatus characterized in that the support can be connected. In an erector device that assembles a support carried into a tunnel, a winch, a wire rope that has one end wound up by the winch and the other end connected to the support, and an inner wall surface of the tunnel excavator A plurality of support support members that support the support and the wire rope is wound around, and the support support member is supported by a support plate fixed orthogonally to the inner wall surface of the tunnel excavator. An erector apparatus characterized in that a support expansion means is provided for moving the support in the radial direction so as to be in close contact with the inner wall surface of the tunnel, and the support expansion means is tiltable. In an erector apparatus that assembles a support carried into a tunnel, a winch, a wire rope that has one end wound up by the winch and the other end connected to the support, and an inner wall surface of the tunnel excavator A plurality of support members that support the support and on which the wire rope is wound, and can be swung freely by a plurality of swivel rollers supported by a support plate disposed along the inner wall surface of the tunnel excavator. And a swivel ring supported on the swivel ring, and the winch is mounted on the swivel ring.

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