KR100807759B1 - Removal device of steel form used in tunneling - Google Patents

Abstract

An apparatus for traveling a form for tunnel excavation is provided to simplify the work process and to reduce the length of the process by connecting support frames supported and fixed to the inside of an excavated tunnel with a support device having rails and making a form device guided and moved to the rails, thereby excluding the necessity for installing additional rails to a tunnel. An apparatus(1) for traveling a form for tunnel excavation comprises a pair of support frames(2) including bearings(21) supporting a structure and having a long groove in the axial direction, a pair of supports connected by upper and lower connectors, a pair of lower cylinders(23) moving a support device upward and downward, a head(24) moved upward and downward on the upper part of the support and fixing the support frames to an excavated tunnel and an upper cylinder(25) moving the head on the upper side of the upper connector, a support device(3) connecting the support frames with a penetrated structure, moved vertically by the lower cylinder and including projections coupled to the long groove and guided, projecting parts facing each other in the longitudinal direction and many fastening pieces having a coupling hole, a pair of outer rails on the bottom, a pair of inner rails moving concrete to the inside of a tunnel, a transportation device moved along the inner rails and a stopper preventing the separation of the transportation device from the inner rails, and a form device(4) moving the support frames and the support device upward and downward, placing concrete in an excavated tunnel and including a connecting device covering the support device with a penetrated structure, many rollers corresponded to the projecting parts and the outer rails on the inside of the connecting device and guided to the upper side of the projecting parts to move the form device forward and backward, a traveling cylinder fixed to the coupling hole with a binder on the upper inside, many support jacks formed on the outside, form support frames(45) supporting the connecting device on two ends and a form covering the connecting device and fastened to the support jack.

Description

Formwork device for tunnel construction {Removal device of steel form used in Tunneling}

1 is a side view showing a tunnel moving formwork moving apparatus according to the present invention.

Figure 2a is a front view showing a support frame in the tunnel moving formwork apparatus according to the present invention.

Figure 2b is a side view showing a support frame in the tunnel construction formwork moving apparatus according to the present invention.

Figure 3a is a side view showing a support device in the tunnel moving formwork apparatus according to the present invention.

Figure 3b is a front view showing a support device in the tunnel moving formwork apparatus according to the present invention.

Figure 4a is a front view showing the formwork supporting frame in the tunnel moving formwork apparatus according to the present invention.

Figure 4b is a side view showing the formwork support frame in tunnel formwork moving device according to the present invention.

5 is a cross-sectional view showing a formwork apparatus in the tunnel moving formwork apparatus according to the present invention.

Figure 6 is a perspective view showing a traveling cylinder and the binding member in the tunnel moving formwork moving apparatus according to the present invention.

Figure 7 is a view showing a process of pouring concrete while moving the formwork moving device for tunnel construction according to the present invention.

8 is a view showing a process of pouring concrete when the formwork moving device for tunnel construction according to the present invention moves the formwork in the inclined section.

9 is a view showing another embodiment of the tunnel construction formwork moving apparatus according to the present invention.

Description of the main parts of the drawing

1: tunnel moving formwork moving device 2: support frame

21: support portion 22: prop

23: lower cylinder 24: head

25: upper cylinder 221: long groove

222: upper connecting member 223: lower connecting member

224: holding bracket 224a: fastening hole

225: nut 241: leg

242: head bracket 242a: fastening rod

242a ': female thread part 3: support device

31: projection 32: protrusion

33: Fastening Part 34: Outer Rail

35: inner rail 36: transportation device

37: stopper 331: coupling hole

362: loading box 4: formwork

41: connecting device 42: roller

43: driving cylinder 44: support jack

45: formwork support frame 46: formwork

431: binding member 451: formwork

451a: Upper connection bar 451a ': Upper movable cylinder

451b: lower connecting bar 452: formwork head

452a: upper support 452b: formwork head bracket

452b ': Fastening bar 452b ": Female thread

453: formwork support 453a: lower support

454: formwork bracket 454a: fastener

455: nut 456: lower cylinder

5: rebar work bench

The present invention relates to a tunnel moving formwork moving device, more specifically, the tunnel work form moving device according to the present invention is configured as described above is provided with a support frame rail and the transfer device is fixed to the inner surface of the excavated tunnel It is related to the formwork moving device for tunnel construction that the work process is simplified and the process time is shortened because there is no need to install a separate rail in the tunnel by connecting the support device to the support device so that the formwork is moved to the rail.

In tunnel construction, after excavating a tunnel having a predetermined cross-sectional shape, a tunnel formwork having a cross-sectional shape suitable for the cross-section of the tunnel wall is used for lining work with unhardened concrete.

Such tunnel formwork is absolutely necessary for the structure to effectively support the pressure of unhardened concrete during lining work, and it is very helpful for the work to smoothly enter the unhardened concrete into the tunnel.

In addition, if tunnel formwork can be used at one site and then moved to another site for reuse, there would be no economic need.

Recently, a plurality of moving wheels are provided at the lower end of the tunnel formwork, and the rails are fixed in the forward direction of the tunnel formwork so as to correspond to the moving wheels at the bottom of the tunnel, and the tunnel formwork and the rail are connected to a moving device (operating cylinder). The tunnel formwork is moved along the rails by placing concrete on the inner surface of the tunnel by driving the moving device in one state. At this time, the rail can be demolished immediately after the tunnel formwork is moved and installed again in the direction to move forward, and can be demolished after the movement of the tunnel formwork is finished.

However, in the conventional tunnel formwork, the process is complicated and the process must be repeatedly performed to install and dismantle the rail and formwork at the bottom of the tunnel in order to move the tunnel formwork into the excavated tunnel. There is a problem that the time is long.

In addition, when placing concrete in moving the tunnel formwork to the inclined tunnel, in order to prevent the push along the inclined surface of the tunnel formwork, it is troublesome to install a fixing device by welding or the like, and to move the wheel. If a separate fixing device is installed in the tunnel, due to the weight of the tunnel formwork moving along the slope, the fixing device is frequently damaged, and the replacement cost is excessively expended. There is a serious problem that occurs.

The present invention has been made to solve the above problems of the prior art, an object of the present invention is to connect the support frame fixed to the inner surface of the excavated tunnel with a support device provided with a rail and a transfer device to the support device The formwork is guided to the rail and moved so that it is not necessary to install a separate rail in the tunnel, and the work process is simplified and the process time is shortened, and the purpose is to provide a formwork for the tunnel work for the tunnel worker.

Another object is to support and fix the formwork supporting frame provided in the supporting frame and formwork to the inner surface of the tunnel excavated by a plurality of cylinders so that the support frame, the supporting device and the formwork can move forward along the inclined surface without being pushed. It is another object to provide a tunnel public formwork moving device.

The present invention is provided with a long groove in the axial direction on the upper surface of the support for supporting the structure, a pair of struts connected by upper and lower connecting members and a pair of lower cylinder is provided, the upper side of the strut up and down A moving head is provided, and the upper surface of the upper connecting member interconnects each of the supporting frames in a penetrating structure with a pair of supporting frames provided with an upper cylinder for moving the head, and is moved up and down by the lower cylinder. It is moved, both sides are provided with projections are fastened to guide the long groove, the upper surface is formed so that the projections face each other in the longitudinal direction, and a plurality of fastening pieces having a coupling hole is installed in the longitudinal direction symmetrically with each other, the bottom is a set The support device is provided with an outer rail of the connecting device of the structure penetrated while surrounding the support device is disposed, The inner surface of the connection device is provided with a plurality of rollers corresponding to the protrusion and the outer rail, the upper inner side is provided with a traveling cylinder fixed to the coupling hole as one side of the binding member, a plurality of support jacks on the outer surface It is provided, both sides end is provided with a formwork supporting frame for supporting the connecting device, it is disposed while wrapping the connecting device and characterized in that the formwork device is provided with a formwork fastened to the support jack.

In addition, the head is provided with a set of legs 241 which is inserted and guided inside the upper side of the strut, characterized in that the front or back is formed with a pair of head brackets with fastening rods having female threads.

In addition, the support is provided with a support bracket having a fastening hole so that the fastening rod is inserted to correspond to the head bracket, characterized in that it further comprises a nut to fix the fastening rod inserted into the fastening hole.

In addition, the inside of the support device is provided with a set of inner rail for moving concrete, etc. into the tunnel, characterized in that the transport device is further provided along the inner rail.

In addition, the transport apparatus is provided with a plurality of wheels corresponding to the inner rail, it is formed on the upper side of the wheel is characterized in that the loading box for loading concrete and the like.

In addition, both ends of the support device is characterized in that the stopper is provided to prevent the transport device from being separated from the inner rail.

In addition, the formwork support frame is provided with a pair of form holders connected by an upper connection bar having an upper movable cylinder on the upper surface and a lower connection bar disposed at the lower end and a pair of upper support parts inserted and guided inside the upper side of the form support. It is characterized by consisting of a formwork head having a lower support portion which is inserted into the lower side of the formwork head and moved up and down by the upper movable cylinder and guided up and down.

In addition, the front or rear of the formwork head is characterized in that a pair of formwork head bracket is provided with a fastening rod having a female screw portion.

In addition, the top of the die holder is provided with a fastening bracket having a fastening hole so that the fastening rod is inserted to correspond to the die head bracket, the nut is further provided to fix the fastening rod inserted into the fastening hole, The lower end of the die holder is characterized in that the lower cylinder is installed to move the formwork up and down.

In addition, the inside of the formwork is characterized in that a plurality of support frame and the support device and the formwork support frame and the connecting device is installed in parallel according to the size of the formwork.

In addition, the support device is characterized in that it is further provided with a reinforcing workbench for manufacturing the reinforcing structure to be carried out before the concrete is poured into the formwork.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, a tunnel public formwork moving apparatus according to the present invention will be described with reference to the accompanying drawings with reference to the accompanying drawings. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

In addition, the following examples are not intended to limit the scope of the present invention but merely presented by way of example, and there may be various embodiments implemented through the present invention.

Figure 1 is a side view showing a tunnel work formwork moving apparatus according to the present invention, Figure 2a is a front view showing a support frame in the tunnel work formwork moving apparatus according to the present invention, Figure 2b is a tunnel work formwork moving according to the present invention In the device, it is a side view showing a support frame, Figure 3a is a side view showing a support device for the tunnel work formwork moving device according to the present invention, Figure 3b is a support device for a tunnel work formwork moving device according to the present invention, 4A is a front view showing a formwork supporting frame in the tunnel construction formwork moving apparatus according to the present invention, Figure 4B is a side view showing a formwork supporting frame in a tunnel construction formwork moving apparatus according to the present invention. 5 is a cross-sectional view showing a formwork apparatus in the tunnel moving formwork apparatus according to the present invention.

As shown in the drawings, the present invention is a tunnel moving formwork moving device has a long groove 221 is formed in the axial direction on the upper surface of the support portion 21 for supporting the structure, a pair of connected by the upper, lower connecting members (222, 223) A strut 22 is provided and a pair of lower cylinders 23 are provided, and a head 24 which is moved up and down is provided on the upper side of the strut 22, and an upper surface of the upper connection member 222 is provided. The support frame 2 is interconnected with a pair of support frames 2 provided with an upper cylinder 25 for moving the head 24, and the upper and lower cylinders 23 are interconnected by the lower cylinder 23. It is moved downward, both sides are provided with a projection 31 is fastened and guided in the long groove 221, the upper surface is formed so that the projections 32 to face each other in the longitudinal direction and having a coupling hole (331) ( 33) are installed in the longitudinal direction symmetrical with each other, On the surface is provided a support device 3 having a set of outer rails 34 and a connecting device 41 having a structure penetrating while surrounding the support device 3, and on the inner surface of the connecting device 41. A plurality of rollers 42 corresponding to the protruding portion 32 and the outer rail 34 are provided, and a driving cylinder 43 having one side fixed to the coupling hole 331 by a binding member 431 at an upper inner side thereof. Is provided, the outer surface is provided with a plurality of support jacks 44, both sides end is provided with a formwork support frame 45 for supporting the connecting device 41, is arranged while wrapping the connecting device 41 In addition to the formwork device 4 is provided with a formwork 46 fastened to the support jack 44.

The support frame 2 is composed of a pair, and as shown in Figure 1 is installed in the ground so as to correspond to the tunnel and the tunnel, respectively, each support frame 2 is attached to the support device (3) Are interconnected by each other. At this time, the support frame 2 is provided with a lower cylinder 23 to move the support device 3 up and down.

The head 24 is to be fixed to the support frame (2) in the excavated tunnel, such a head 24 is a pair of legs 241 is inserted into the upper guide of the support 22 is guided A pair of head brackets 242 having a fastening rod 242a having a female screw portion 242a 'is formed on a front surface or a rear surface thereof.

The support 22 is provided with a support bracket 224 provided with a fastening hole 224a so as to correspond to the head bracket 242 so that the fastening rod 242a is inserted into the support 22 and inserted into the fastening hole 224a. A nut 225 is further provided to fix the fastening rod 242a, and the fastening rod 242a inserted into the fastening hole 224a is fixed by the nut 225 to thereby be secured by the upper cylinder 25. The head 24 supporting the upper surface of the tunnel is firmly supported in the tunnel without being pushed downward even during external impact during operation, and the weight and slope of the head 24 itself.

The support device 3 is a rectangular long structure that is connected and configured in a structure in which a plurality of steel frames are penetrated. The lower end portions of both sides are provided with guide protrusions 31 inserted into the long grooves 221 so as to correspond to each other. It is moved up and down by the lower cylinder 23, the formwork device 4 is moved up and down by the support device (3). In addition, the upper surface of the support device 3 is formed so that the projections 32 face each other in the longitudinal direction so that the roller 42 (roller provided on the inner surface upper side) to be described later is guided on the upper surface of the projection 32 The formwork device 4 is moved back and forth. In other words, when the lower cylinder 23 of the support frame 2 is moved to move the support device 3 upward, the protrusion 32 provided on the upper surface of the support device 3 causes the The die 42 is brought into contact with the roller 42 provided above the inner surface, and the die device 4 is lifted upward. The die device 4 is moved forward and backward by being guided by the protrusion 32.

And the upper center of the support device 3 is provided with a plurality of fastening pieces 33 having a coupling hole 331 symmetrical to each other in the longitudinal direction so that the driving cylinder 43 to be described later, the lower as described above The formwork device 4 moved upward by the cylinder 23 is guided by the traveling cylinder 43 to the protruding portion 32 and moved forwards and backwards, and the bottom surface has an internal bottom surface of the formwork device 4. A pair of outer rails 34 are provided which are brought into contact with the rollers 42 installed in the rollers 42.

Inside the support device 3, a set of inner rails 35 for moving concrete, etc. into the tunnel are provided, and a transport device 36 moving along the inner rails 35 is further provided. The transport device 36 is provided with a plurality of wheels 361 corresponding to the inner rail 35, and is provided on the upper side of the wheel 361 is provided with a loading box 362 for loading concrete.

In addition, stoppers 37 are provided at both ends of the support device 3 to prevent the transport device 36 from being separated from the inner rail 35.

Here, the support device is preferably further provided with a reinforcing bar (5) for manufacturing the reinforcing bar structure is carried out before the concrete is poured into the formwork 45, the reinforcing bar (5) is a formwork device (to be described later) It is preferable to have the same configuration (connection device, roller, running cylinder, binding member, etc.) as 4) to be guided to the support device 3 to be moved forward and backward.

The formwork device (4) is to move the support frame and the support device as well as to cast concrete in the excavated tunnel, such a formwork device wraps around the support device (3) through the connecting device of the structure 41 is disposed, a plurality of rollers 42 corresponding to the protruding portion 32 and the outer rail 34 is provided on the inner surface of the connecting device 41, one side of the binding member ( 431 is provided with a traveling cylinder 43 fixed to the coupling hole 331, the outer surface is provided with a plurality of support jacks 44, formwork support frame for supporting the connecting device 41 at both ends. 45 is provided, and is formed while wrapping the connecting device 41 and the formwork device 4 is provided with a formwork 46 fastened to the support jack 44.

Both ends of the support device 3 are provided with stoppers 37 to prevent the transport device 36 from being separated from the inner rail 35.

The formwork support frame 45 is a pair of formwork 451 and the formwork connected by an upper connecting bar 451a having an upper movable cylinder 451a 'on its upper surface and a lower connecting bar 451b disposed on a lower end thereof. A set of upper support portions 452a inserted into and guided inside the upper side of the support 451 is provided, and the form head 452 and the form holder 451 moved up and down by the upper movable cylinder 451a '. It is composed of a formwork portion 453 is provided with a lower support portion 453a is inserted into the lower side of the upper and lower guides.

In addition, the formwork head 452 is to be fixed to the formwork support frame 45 in the excavated tunnel, such formwork head 452 fastening rod 452b having a female screw portion (452b ") on the front or back. ') Is provided with a pair of formwork head bracket (452b).

In addition, a formwork bracket 454 having a fastening hole 454a is provided at an upper portion of the formwork 451 so as to correspond to the formwork head bracket 452b. A nut 455 is further provided to fix the fastening rod 452b 'inserted into the fastening hole 454a, thereby fixing the fastening rod 452b' inserted into the fastening hole 454a with the nut 455. In addition, the die head 452 supporting the upper surface of the tunnel by the upper movable cylinder 451a 'is pushed downward even from the external impact or the weight of the form head 452 itself and the slope during the operation to be firmly secured to the tunnel. Supported and fixed, the lower end cylinder 456 for moving the formwork support portion 453 up and down is installed at the lower end of the formwork 451.

Figure 7 is a view showing a process of pouring concrete while moving the formwork moving device for tunnel construction according to the present invention.

Referring to FIG. 7, when describing the operation process and the process of placing concrete in the tunnel work form moving device 1, referring to (a), one of the supporting frames 2 is inserted into the excavated tunnel. By operating the head 24 provided in the support frame 2 upward to fix the support frame 2, the support device 3 and the support frame (2) behind the support frame (2) Will install Referring to (b), the reinforcing bar is installed on the support device, and the formwork device 4 is installed behind the support device. Referring to (c), by using the reinforcing bar 5 to install the reinforcing bar on the inner circumferential surface of the tunnel excavated by the worker, by driving the upper movable cylinder (451a ') provided in the formwork device (4) By moving the head 452 downward and driving the lower movable cylinder 456 to move the die support portion 453 upward, the formwork device 4 is supported by the support device 3 and guided. do. That is, as described above, the upper and lower movable cylinders 451a 'and 456 are driven, and the upper surface of the projection 42 of the roller 42 and the support device 3 installed on the inner upper side of the connecting device 41. Is brought into contact with each other, and the driving cylinder 43 is driven to move the formwork device 4 in the direction of the arrow. At this time, in the forward method using the traveling cylinder 43, the traveling cylinder 43 is fastened by the binding member 431 to the fastening piece 33 to drive the driving cylinder 43 to move forward, After dismantling the binding member 431 from the fastening piece 33, the fastening pieces 33 are sequentially fastened to a plurality of fastening pieces 33 installed in the support device 3 to be advanced. Referring to (d), the formwork device 4 moved into the excavated tunnel is driven and fixed to the inner surface of the tunnel by driving the upper and lower movable cylinders 451a 'and 456, and the transport device 36 Concrete is poured into the steel structure installed using the concrete. Referring to (e), the head 24 and the support portion 21 are driven by driving the upper and lower cylinders 222 and 223 of the support frame 2 in a state where the formwork support frame 45 is fixed to the inside of the tunnel. ) Moves in the direction of the arrow, the outer rail 34 of the support device 3 is in contact with the roller 42 provided in the inner lower portion of the connecting device 41, the traveling cylinder 43 as described above ) To move the support frame 2 and the support device 3 in the direction of the arrow. Referring to (f), the support frame 2 and the support device 3 moved by the traveling cylinder 43 drive the upper and lower cylinders 22 and 223 of the support frame 2 to the inner surface of the tunnel. The head 24 and the support portion 21 are fixed and supported, and (g) and (h) move forward while placing the inner surface of the steelworked tunnel repeatedly in concrete as described in (c) and (d). Done.

8 is a view showing a process of pouring concrete when the formwork moving device for tunnel construction according to the present invention moves the formwork in the inclined section.

Referring to FIG. 8, the process of placing concrete in an inclined tunnel may perform operations such as (c), (d), (e), (f), (g), and (h) illustrated in FIG. 7. By repeating the movement along the inclined tunnel as shown in (A) (B) (C) (D) (E) (F), there is no need to install a special rail on the bottom of the excavated tunnel. It is not necessary to provide a separate fixing device to prevent the formwork from being pushed backwards in the photograph section.

9 is a view showing another embodiment of the tunnel construction formwork moving apparatus according to the present invention.

9, the tunnel work form moving device 1 of the present invention is a tunnel in which the support frame 2, the support device 3, the formwork support frame 45 and the connecting device 41 are integrally driven and excavated. Although it is shown in the description and drawings to move while placing concrete on the inner surface of the plurality of support frame 2 and the support device (2) according to the size of the formwork 46 in the formwork 46 3) and the formwork support frame 45 and the connecting device 41 is installed in parallel to be able to pour concrete in a tunnel of various sizes.

The tunnel construction formwork moving apparatus according to the present invention configured as described above is connected to the support frame fixed on the inner surface of the excavated tunnel by a support device provided with a rail and a transfer device, and the formwork device is guided to the rail by the support device. By moving it, there is no need to install a separate rail in the tunnel, which simplifies the work process and shortens the process time.

In addition, the support frame and the formwork support frame provided in the formwork is fixed to the inner surface of the tunnel excavated by a plurality of cylinders, so that the support frame, the support device and the formwork can move forward along the inclined surface without being pushed on the slope. It works.

In addition, there is an effect that the transport device is provided on the support device to easily transport the construction materials such as concrete to the tunnel.

Claims (11)

A long groove 221 is formed on the upper surface of the supporting portion 21 supporting the structure, and a pair of struts 22 connected by upper and lower connecting members 222 and 223 are provided, as well as a pair of lower cylinders 23. ) Is provided, the head 24 which is moved up and down is provided on the upper side of the support 22, the upper cylinder 25 for moving the head 24 is provided on the upper surface of the upper connection member 222 A pair of supporting frames 2 provided; Each support frame 2 is interconnected in a penetrated structure, and is moved up and down by the lower cylinder 23, and both sides are provided with protrusions 31 fastened and guided to the long groove 221. On the upper surface, the protrusions 32 are formed to face each other in the longitudinal direction, and a plurality of fastening pieces 33 having coupling holes 331 are symmetrically installed in the longitudinal direction, and a pair of outer rails 34 are provided on the bottom surface thereof. It is provided with a support device (3); And A connecting device 41 having a penetrating structure surrounding the supporting device 3 is disposed, and a plurality of rollers corresponding to the protrusion 32 and the outer rail 34 are disposed on an inner surface of the connecting device 41. 42 is provided, the upper side is provided with a traveling cylinder 43, one side is fixed to the coupling hole 331 by the binding member 431, the outer surface is provided with a plurality of support jacks 44, Both side ends are provided with a formwork support frame 45 for supporting the connecting device 41, and is disposed while surrounding the connecting device 41, and provided with a form 46 fastened to the support jack 44. Formwork device for tunnel construction, characterized in that consisting of the formwork device (4). The method of claim 1, The head 24 is provided with a set of legs 241 that are inserted and guided inside the upper side of the support 22, the front or back is provided with a fastening rod 242a having a female screw portion (242a ') Tunnel construction die moving device, characterized in that a pair of head bracket 242 is formed. The method of claim 1, The support 22 is provided with a support bracket 224 provided with a fastening hole 224a so as to correspond to the head bracket 242 so that the fastening rod 242a is inserted into the support 22 and inserted into the fastening hole 224a. Formwork moving device for tunnel construction, characterized in that further comprising a nut (225) so that the fastening rod (242a) is fixed. The method of claim 1, The support device 3 is provided with a set of inner rails 35 for moving concrete and the like into the tunnel, and a transport device 36 moving along the inner rails 35 is further provided. Tunnel work die mover. The method of claim 4, wherein The transport device 36 is provided with a plurality of wheels 361 corresponding to the inner rail 35, it is formed on the upper side of the wheel 361 is characterized in that the loading box 362 for loading concrete, etc. Tunnel work die mover. The method of claim 4, wherein Both end portions of the support device (3) is a tunnel moving formwork moving device, characterized in that a stopper (37) is provided to prevent the transport device (36) from being separated from the inner rail (35). The method of claim 1, The formwork support frame 45 includes a pair of formwork 451 connected by an upper connection bar 451a having an upper movable cylinder 451a 'on an upper surface thereof and a lower connection bar 451b disposed on a lower end thereof; A pair of upper support parts 452a which are inserted into and guided in the upper side of the die holder 451 and is moved up and down by the upper movable cylinder 451a '; And The formwork moving device for tunnel construction, characterized in that consisting of the formwork supporting portion (453) having a lower support portion (453a) is inserted into the lower side of the form holder 451 is guided up and down. The method of claim 7, wherein The formwork head moving device for tunnel construction, characterized in that the front or rear of the formwork head 452 is formed with a pair of formwork head brackets (452b) having a fastening rod (452b ') having a female screw portion (452b "). The method of claim 8, The die holder bracket 454 having a fastening hole 454a to be inserted into an upper portion of the die holder 451 is provided to correspond to the die head bracket 452b. A nut 455 is further provided to fix the fastening rod 452b 'inserted into the 454a, and a lower movement cylinder for moving the formwork part 453 up and down at the lower end of the formwork 451. Tunnel public formwork moving device, characterized in that the installation (456). The method of claim 1, Inside the formwork 46 is characterized in that a plurality of support frame 2 and the support device 3 and the formwork support frame 45 and the connecting device 41 are installed in parallel in accordance with the size of the formwork 46. Tunnel work die mover. The method of claim 1, The support device (3) tunnel formwork moving device, characterized in that the formwork 45 is further provided with a reinforcing workbench (5) for manufacturing the reinforcing structure to be carried out before the concrete is poured.

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