JP3449478B2 - Tunnel working equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tunnel working device used for mounting a member to be mounted on an inner peripheral surface of a tunnel in tunnel work such as repair work of the tunnel.

[0002]

2. Description of the Related Art Conventionally, as a method of repairing a tunnel, a crane is used to lift a repair member such as a repair plate on the invert of the tunnel, and an operator on an aerial work vehicle places the repair member on the inner surface of the tunnel. There is a mounting method.

[0003]

However, in the above-mentioned conventional construction method, even when the repair member is lifted by using the crane, the operator who rides on the aerial work vehicle manually sets it at a predetermined mounting position. It may take time. Also,
When the repair member is attached to the inner peripheral surface of the tunnel, the aerial work vehicle and the crane are arranged in the tunnel, so that the aerial work vehicle and the crane may hinder the transportation of materials in the longitudinal direction of the tunnel.

Therefore, the problem to be solved by the present invention is to improve the workability of attachment when attaching a repair member or the like to the inner peripheral surface of a tunnel, and to prevent the conveyance of materials or the like in the longitudinal direction of the tunnel. It is to be able to carry out the mounting work without.

[0005]

The invention according to claim 1 is
For example, as shown in FIG. 2 and FIGS. 4 to 6, a holding means (holding portion 18) used when attaching a member to be attached to the inner peripheral surface of the tunnel and holding the member to be attached, and a circumferential direction of the tunnel. A guide member (13) arranged along the guide member and the holding means, and the holding means is supported by the guide member so as to be movable along the guide member and in a direction intersecting the longitudinal direction of the tunnel. A working device (1) for a tunnel, comprising: a moving means (pantograph type jack 17) for moving the device, and a connecting part (25) for connecting to a member to be attached, and a connecting part (25) so as to be movable in the longitudinal direction of the tunnel. A support portion (main body 24) for supporting the connection portion,
Is provided in the holding means.

According to the first aspect of the invention, since the moving means is movable along the guide member, the holding means provided in the moving means and the mounted member held by the holding means are the inner peripheral surface of the tunnel. You can move along. Then, when the mounted member moves to a position facing the mounting position on the inner circumferential surface of the tunnel, the moving means moves the holding means in the direction in which the tunnel intersects. As a result, the mounted member held by the holding means comes into contact with the mounting position on the inner peripheral surface of the tunnel. Here, since the mounted member is in contact with the inner peripheral surface of the tunnel, an operator or the like can easily mount the mounted member at the mounting position on the inner peripheral surface of the tunnel. Further, since the guide member is arranged along the circumferential direction of the tunnel, the holding means, the moving means, and the attached member can move along the guide member. That is, even when an operator or the like uses the working device to attach the attached member to the inner peripheral surface of the tunnel, an internal space is formed in the center of the tunnel, and the holding means and the moving means are provided in the internal space. And the mounted member is not located. Therefore, the material or the like is conveyed in the longitudinal direction of the tunnel through the internal space, and does not hinder the conveyance. further,
In the invention according to claim 1, since the connecting portion is supported by the supporting portion so as to be movable in the longitudinal direction of the tunnel,
The mounted member connected to the connecting portion can move with respect to the supporting portion, and when the mounted member abuts the mounting position, the operator can adjust the position of the mounted member in the longitudinal direction of the tunnel. However, the mounted member can be accurately brought into contact with the mounting position.

According to a second aspect of the present invention, for example, as shown in FIG. 4, there is provided a tunnel working apparatus according to the first aspect, wherein the moving means moves so as to move along the guide member. Driving means for driving the (driving mechanism 1
5), is provided.

According to the second aspect of the present invention, since the driving means drives the moving means so that the moving means moves along the guide member, the worker is held by the holding means by the driving means without manual work. The mounted member can be moved to a position facing the mounting position on the inner circumferential surface of the tunnel. Therefore, the work until the mounted member is moved to the position facing the mounting position is facilitated, and the worker can easily mount the mounted member on the inner circumferential surface of the tunnel.

The invention according to claim 3 is the invention according to claim 1 or 2.
The tunnel working apparatus described in the above, wherein the guide member has an arched shape with a convex upper portion when viewed in the longitudinal direction of the tunnel, and a lower portion of the guide member is open. I am trying.

According to the third aspect of the present invention, since the guide member has an arched shape and the lower part of the guide member is open, the material and the like can be conveyed under the guide member, that is, through the invert of the tunnel. It is possible and workers can pass through the tunnel invert.

[0011]

[0012]

[0013]

[0014]

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION A concrete mode of a tunnel working apparatus according to the present invention will be described below with reference to the drawings. However, the scope of the invention is not limited to the illustrated examples. In the following description, the longitudinal direction of the tunnel will be referred to as the front-back direction.

The working apparatus 1 (shown in FIG. 2 etc.) according to the present embodiment has a protective plate (attached member) as a repair member on the inner peripheral surface of the tunnel 100 having a circular cross section as shown in FIG. It is used when attaching 103, 103, ... In addition, the plurality of segments 101, 10
The primary lining by No. 1 is performed, and the concrete 10 is formed on the inner surface of the assembled segments 101, 101 ,.
The secondary lining by 2 is performed, and the tunnel 100 is constructed.

As shown in FIGS. 2 and 3, the working device 1
Is a carriage 2 that can move in the longitudinal direction of the tunnel 100,
The guide member 13 arranged along the inner peripheral surface of the tunnel 100, and the handling unit 1 guided by the guide member 13.
4 and a driving mechanism (driving means) 15 that drives the handling unit 14 so that the handling unit 14 moves along the guide member 13. Note that, in FIG. 3, the guide member 13, the handling portion 14, and the drive mechanism 15 are omitted for simplification of the drawing, and the drawing is shown in a state where the protection plate 103 is not attached.

First, the carriage 2 will be described. Trolley 2
Are four pillar members 3, 3, ... Which extend vertically and a plurality of cross girders 4, 4 ,.
Rotating girders 5 and 5 provided at the lower ends of the two right column members 3 so as to be rotatable back and forth, and jacks 6, 6, ... Provided at the lower ends of the column members 3, respectively. Two wheels 7, 7, ... Are provided below the rotary girder 5. The rotating girder 5 is in a state of being bridged from the lower end portion of the right column member 3 to the lower end portion on the left side, and the carriage 2 is movable by the wheels 7 in the longitudinal direction of the tunnel 100. From this state, the truck 2 itself is lifted by the jack 6, so that the wheels 7 are separated from the inner peripheral surface of the tunnel 100 and the truck 2 is fixed. The front rotary girder 5 rotates forward and the rear rotary girder 5 rotates rearward with the dolly 2 itself being lifted, so that the dolly 2 becomes a gate type in a front view (see FIG. 8). (Shown).

Further, the working device 1 includes the upper scaffolds 8,8.
, And middle scaffolds 9, 9 and lower scaffolds 10, 10 ,. The upper scaffold 8 is hung on the left and right pillar members 3 at the front part and the rear part of the bogie 2, and extends to the left and right of the bogie 2. Upper scaffold 8
Is fixed to the upper end of the pillar member 3. The middle scaffold 9
It is arranged below the upper scaffold 8, and is fixed to the pillar member 3 at an intermediate portion. The middle-stage scaffolding 9 is stretched over the left and right pillar members 3 at each of the front portion and the rear portion of the carriage 2, and extends to the left and right of the carriage 2. Further, the lower-stage scaffold 10 is arranged below the middle-stage scaffold 9 in the front part and the rear part of the carriage 2, and is fixed to the lower part of the pillar member 3. The lower scaffold 10 on the left side extends from the cart 2 to the left, and the lower scaffold 10 on the right side extends from the cart 2 to the right. The worker is located on the upper scaffolds 8, 8, the middle scaffolds 9, 9 and the lower scaffolds 10, 10, ..., And the worker can perform the work of attaching the protection plate 103 to the inner peripheral surface of the tunnel 100.

.. are provided at the left and right ends of the middle scaffold 9, respectively. The steady rest 11 extends rightward or leftward from the trolley 2 and the tip end of the steady rest 11 contacts the inner peripheral surface of the tunnel 100, whereby the steady swing of the trolley 2 is suppressed.

Next, the guide member 13 will be described with reference to FIGS. In addition, in order to simplify the drawing, the dolly 2 is not shown in FIG. 4, and the drawing is shown in a state where the protection plate 103 is not attached.

The guide member 1 as viewed in the longitudinal direction of the tunnel.
Reference numeral 3 has a substantially arcuate shape having a diameter smaller than the inner diameter of the tunnel, and has an arched shape with a convex portion above it. Further, when viewed in the longitudinal direction of the tunnel, the guide member 13 has a substantially arcuate shape that is drawn so as to pass from the lower left side of the carriage 2 to the upper side and the lower right side thereof, and the lower side of the guide member 13 is open. This guide member 13 is
It is fixed to the middle portion of the carriage 2 in the front-rear direction.

Next, the handling section 14 will be described. As shown in FIGS. 5 and 6, the handling unit 14
Includes a base portion 16, a pantograph type jack (moving means) 17 attached to the base portion 16, and a holding portion 18 attached to the pantograph type jack 17.

A rotatable wheel 16a is attached to the base portion 16, and the wheel 16a is mounted on the flange 13a of the guide member 13 so as to be rotatable. Further, the base portion 16 has a web 1 of the guide member 13.
An extension 16b is provided that extends to 3b. A roller 16c is rotatably provided at the tip of the extending portion 16b, and the roller 16c is locked to the flange 13a so as to be rotatable. Further, rollers 16d are rotatably provided on both sides of the base 16, and the rollers 16d are locked to the flange 13a so as to be rotatable. With the above configuration, the base portion 16 is attached to the guide member 13 so as to be movable along the guide member 13.

The pantograph type jack 17 has a base 1
6 is attached, and is movable along the guide member 13 integrally with the base portion 16. The pantograph-type jack 17 includes lower arms 20, 20 attached to the base portion 16 so as to be rotatable on a rotating shaft 20a,
The upper arm 21 and 21 are attached to the main body 24 of the holding portion 18 so as to be rotatable on the rotating shaft 21a, and the screw member 22. The lower arm 20 and the upper arm 21 are rotatable at the end portions 20b and 20b, respectively. A linked link mechanism is configured. The end of the screw member 22 is rotatably connected to the one end 20b, and the screw member 22 is engaged with the other end 20b. Further, another lower arm 17a is rotatably attached to the base portion 16, another upper arm 17b is rotatably attached to the holding portion 18, and the arms 17a and 17b are rotatably connected at the end portion 17c. Further, the one end 20b and the one end 17c.
Each end of the link member 17d is rotatably connected to the. Then, the screw member 22 has a handle 23
Is fixed, and the screw member 22 together with the handle 23 is fixed.
By rotating, the distance between the ends 20b, 20b is changed, and the angles of both arms 20, 21 are changed. The pantograph type jack 17 having the above configuration is
The operator manually moves the holding portion 18 in a direction intersecting the longitudinal direction of the tunnel, that is, in the radial direction of the tunnel (radial direction of the guide member 13).

The holding portion 18 is attached to the main body 24 so as to be movable back and forth (longitudinal direction of the tunnel) and the main body (supporting portion) 24 attached to the upper arm 21 for connecting the protective plate 103. Connecting part 25
, And can move along the guide member 13 integrally with the pantograph type jack 17 and the base portion 16.

The shaft 24a extending in the front-rear direction is the main body 24.
Is provided at an intermediate portion in the left-right direction of the shaft, and the connecting portion 25 is slidable in the longitudinal direction of the tunnel.
supported by a. The left and right ends of the body 24 are provided with hooking portions 24b for hooking wires and the like. Further, the connecting portion 25 is formed with an insertion hole 25a through which the pin 52 is inserted. And the protective plate 10
The pin 52 is passed through the pin coupling portion 51 provided on the No. 3 and the insertion hole 25a, so that the protection plate 103
Are pin-connected to the connecting portion 25. With the above configuration, the protective plate 103 is held by the holding portion 18 so as to be movable back and forth with respect to the main body 24. The protective plate 103 has a through hole 103a penetrating from the front surface to the back surface.
Are formed.

Next, the drive mechanism 15 will be described. As shown in FIG. 4, the drive mechanism 15 includes sprockets 27, 27, ... Which are rotatably attached to the guide member 13.
, A chain 28 hung on the sprockets 27, 27, ..., And a motor 26 for pulling the chain 28.

The motor 26 has a guide member 13 that is an arc.
It is arranged in the central portion of and is fixed to the carriage 2.
Further, a plurality of sprockets 27 are arranged along the guide member 13. As shown in FIG. 5, one end of the chain 28 is connected to the right end of the base 16 of the handling unit 14, and the other end of the chain 28 is connected to the left end of the base 16. is doing. Then, as shown in FIG. 4, the chain 28 is spanned along the guide member 13 by the sprockets 27, 27, .... Furthermore,
The chain 28 is folded back by the sprockets 27a, 27a provided at both ends of the guide member 13,
It is hung on the drive shaft of the motor 26. This motor 26
Is to move the handling portion 14 along the guide member 13 by pulling the chain 28.

Next, using the working apparatus 1 configured as described above, repair members (protection plate 103 and form member 105a described later) are attached to the inner peripheral surface of the tunnel 100 to repair the tunnel 100. The working method will be described.

First, as shown in FIGS. 1 and 2, an operator repairs a portion (segment 101 and segment 10) on the inner peripheral surface of the concrete 102 of the tunnel 100.
1) to form an annular groove 102a on the inner peripheral surface of the tunnel 100 when viewed in the longitudinal direction of the tunnel 100. Next, the worker operates the rubber flexible member 104.
So as to form an annular shape
01 and the segment 101 at the joint.

Then, the operator sets the working device 1. That is, as shown in FIG. 2, the worker moves the trolley 2 of the working device 1 and positions the working device 1 so that the guide member 13 faces the groove 102a. Next, when the operator lifts the truck 2 itself with the jack 6, the wheels 7, 7, ...
The positioned working device 1 is fixed apart from the inner peripheral surface of the. Next, the worker brings the tip portion of the steady rest 11 into contact with the inner peripheral surface of the tunnel 100, whereby the shake of the working apparatus 1 is suppressed. Next, as shown in FIGS. 7 and 8, the operator rotates the front rotary girder 5 forward and rotates the rear rotary girder 5 rearward, so that the trolley 2 becomes a gate type in a front view. Become. Since the carriage 2 is a gate type, an operator or the like can pass the invert in the longitudinal direction of the tunnel, and the operator or the like can convey materials or the like in the longitudinal direction of the tunnel.

After setting the working apparatus 1, the operator forms annular molds 105, 1 arranged substantially parallel to each other on both sides of the flexible member 104 in the groove 102a.
05 is produced using the working apparatus 1. That is, first, when an operator operates the motor 26, the motor 26 moves the handling portion 14 to the end portion of the guide member 13. As shown in FIG. 9, the form member (attached member) 105a formed by dividing the form 105 is located at the invert of the tunnel 100, but the operator does not attach the wire to the hook portion 24b of the main body 24. Hang 106 and wire 10
6 is connected to the form member 105a. Then, the operator operates the motor 26 to cause the handling unit 14 to operate.
Moves along the guide member 13, and the handling unit 14
Pulls the form member 105a. When the handling unit 14 moves and the form member 105a moves to a position where the form member 105a can be pin-connected to the handling unit 14, the operator stops the motor 26 (FIG. 9A). At this position, a temporary fixing portion (not shown) for temporarily fixing the mold frame member 105a is provided on the inner peripheral surface of the tunnel 100, and the mold frame member 105a is fixed to the temporary fixing portion at this position.

Next, when the operator operates the motor 26, the motor 26 moves the handling section 14 to the form member 105.
Move to a position facing a. Next, by the operator rotating the handle 23 of the handling unit 14,
The pantograph type jack 17 of the handling unit 14 moves the holding unit 18 toward the inner peripheral surface of the tunnel 100 (toward the form member 105a). Then, the worker pin-connects the form frame member 105a to the connecting portion 25 of the holding unit 18, so that the form frame member 105a is held by the holding unit 18 (FIG. 9B). The form member 105a is also configured to be pin-connectable to the connecting portion 25, similarly to the protective plate 103.

Then, the operator removes the form member 105a from the temporary fixing portion and rotates the handle 23. The rotation of the handle 23 causes the pantograph-type jack 17 to separate the form member 105a together with the holding portion 18 from the inner peripheral surface of the tunnel.

Next, the operator operates the motor 26.
As a result, the motor 26 moves the mold member 105a together with the handling unit 14 to a position facing the mounting position on the bottom surface of the groove 102a. And formwork member 1
When 05a moves to a position facing the mounting position, the operator stops the motor 26. Next, the operator rotates the handle 23 to rotate the pantograph type jack 1
The mold member 105a is brought into contact with the bottom surface of the groove 102a by 7 and the mold member 105a is pressed against the bottom surface of the groove 102a (FIG. 9C). At this time, the operator
By moving the mold member 105a together with the connecting portion 25 in the front-rear direction, the mold member 105a is brought into contact with the bottom surface while finely adjusting the front-rear position of the mold member 105a.

Next, with the form member 105a in contact with the bottom surface of the groove 102a, an operator bolts the form member 105a to the bottom surface of the groove 102a, whereby the form member 105a is fixed at the mounting position. It Then the worker
The pin connection between the mold member 105a and the connecting portion 25 is released. As described above, one mold member 105a is used for the groove 10
Although it is mounted at the mounting position of 2a, the worker repeats the above-mentioned work using the working device 1 and mounts the plurality of mold members 105a in the groove 102a.
Annular molds 105, 105 arranged substantially parallel to each other are formed on both sides of the flexible member 104.

After the molds 105, 105 are manufactured, the worker uses the working apparatus 1 in substantially the same manner as the work of mounting the mold members 105a, and the plurality of protective plates 103, 1
03, ... Are covered on the groove 102a. That is, first, the worker connects the protective plate 103 located at the invert of the tunnel 100 to the main body 24 via the wire. Next, the worker attaches the protective plate 103 to the handling unit 1
The motor 26 moves the protection plate 103 together with the handling section 14 to a position where the protection plate 103 can be pin-connected to the motor 4 (FIG. 9A).

Next, the operator moves the handling section 14 to the position facing the protection plate 103 by the motor 26, and then the handle 23 of the handling section 14 is moved.
By rotating, the holding portion 18 moves toward the inner peripheral surface of the tunnel 100. Then, the worker connects
The protective plate 103 is held by the holding portion 18 by pin-connecting the pin coupling portion 51 of the protective plate 103 (FIG. 9B).

Next, when the operator rotates the handle 23, the pantograph type jack 17 is held by the holding portion 18.
At the same time, the protective plate 103 is separated from the inner peripheral surface of the tunnel.

Next, the operator moves the handling portion 14 along the guide member 13 by the motor 26 and moves the protective plate 103 to a position facing the mounting position on the inner peripheral surface of the tunnel 100. Next, the operator brings the protective plate 103 into contact with the inner peripheral surface of the tunnel 100 by the pantograph type jack 17, and the protective plate 1
03 is covered on the groove 102a. At this time, the operator finely adjusts the front-back position of the protective plate 103 by moving the connecting portion 25 in the front-back direction with respect to the main body 24. Next, while the protective plate 103 is in contact with the inner peripheral surface of the tunnel 100, the worker bolts the protective plate 103 to the inner peripheral surface of the tunnel 100, whereby the protective plate 103 is fixed to the mounting position. Next, the worker releases the pin connection between the protective plate 103 and the connecting portion 25. In this way, the worker repeats the above-mentioned work by using the working device 1, and the plurality of protective plates 10
, 103 are attached to the inner peripheral surface of the tunnel 100 so that the groove 102a has a plurality of protective plates 10.
3, 103, ...

Next, the operator pours the shrinkable mortar material through the through-hole 103a of the protective plate 103 to form the groove 1
Shrinkable mortar is cast into the inner space 102b (shown in FIG. 1) formed by the inner surface of 02a, the protective plate 103 and the mold 105.

As described above, in the working apparatus 1 according to the present embodiment, the handling portion 14 holding the protective plate 103 and the form member 105a is moved by the drive mechanism 15, so that the operator can manually perform the work. Therefore, the protective plate 103 and the frame member 105a can be moved to a position facing the mounting position such as the upper portion of the tunnel 100.

Further, since the operator can hold the protective plate 103 and the frame member 105a in contact with the inner peripheral surface of the tunnel 100 by the pantograph type jack 17, the protective plate 103 and the frame member 105a can be held in the tunnel. It can be easily attached to the inner peripheral surface of 100. Further, since the guide member 13 has an arched shape, the worker can pass through the invert of the tunnel 100 even during the mounting work, and the material or the like can be transported in the longitudinal direction of the tunnel. it can.

Further, in the above embodiment, the protection plate 103 and the handling portion 14 holding the form member 105a are movable along the guide member 13, and the protection plate 103 is provided by the pantograph type jack 17 of the handling portion 14. The frame member 105a can be moved in the radial direction of the tunnel. Therefore, the worker
Protective plate 103 and formwork member 105 in the invert
It is possible to perform a series of operations until a is brought into contact with the mounting position. Therefore, the work efficiency of attaching the protective plate 103 and the form member 105a is improved.

Further, since the platform 2 is provided with the scaffolds 8, 9 and 10, the worker can easily perform the work of mounting the protective plate 103 and the form member 105a on the scaffold.

The present invention is not limited to the above-mentioned embodiments, and various improvements and design changes may be made without departing from the spirit of the present invention.

For example, in the above-described embodiment, the case where the working device 1 is used for repairing a tunnel having a secondary lining has been described. However, when the working device 1 is excavated, the inner peripheral surface of the ground is exposed. The working device 1 is also used when lining (attaching) a lining plate on the inner peripheral surface of the tunnel or on the inner peripheral surface of the tunnel in which concrete has already been placed by spraying on the inner surface of the ground. be able to.

Further, although the pantograph type jack 17 is configured to manually move the protective plate 103 and the form member 105a in the radial direction of the tunnel, it is not limited to the manual pantograph type jack 17. For example, instead of the pantograph-type jack 17, a jack that moves the protective plate 103 or the form member 105a in the radial direction of the tunnel by electric or hydraulic pressure and makes contact with the inner peripheral surface of the tunnel may be used.

[0050]

As described above, according to the first aspect of the present invention, the mounted member held by the holding means is moved to the position facing the predetermined mounting position along with the moving means along the guide member. Be moved. Then, the attached member comes into contact with the attachment position on the inner peripheral surface of the tunnel by the moving means.
Therefore, the worker can perform a series of operations of moving the mounted member along the inner peripheral surface of the tunnel and then bringing the mounted member into contact with the mounting position. Therefore, the efficiency of the work of mounting the mounted member on the inner peripheral surface of the tunnel is greatly improved. Further, since the mounted member is in contact with the inner peripheral surface of the tunnel, an operator or the like can easily mount the mounted member on the inner peripheral surface of the tunnel. Further, since the guide member is arranged along the inner circumference of the tunnel, even when the worker or the like attaches the member to be attached to the inner circumferential surface of the tunnel by using the tunnel working device, it is possible to transport the material and the like. It does not hinder the passage of workers and the like. Further, according to the invention of claim 1, when the mounted member abuts the mounting position, the operator accurately adjusts the mounted member to the mounting position while adjusting the position of the mounted member in the longitudinal direction of the tunnel. Can abut.

According to the second aspect of the present invention, the driving means allows the operator to move the member to be mounted held by the holding means to a position facing a predetermined mounting position on the inner peripheral surface of the tunnel without manual work. And can be moved. Therefore, the work until the mounted member is moved to the position facing the mounting position is facilitated, and the worker can easily mount the mounted member on the inner peripheral surface of the tunnel.

According to the third aspect of the present invention, it becomes possible to convey materials and the like through the tunnel invert, and the worker can pass through the tunnel invert.

[0053]

[0054]

[Brief description of drawings]

FIG. 1 is a perspective view showing a tunnel to which a protective plate or the like is attached by using the tunnel working device according to the present invention, in which a part of the tunnel is cut away.

FIG. 2 is a side view showing a specific mode of a working device for a tunnel according to the present invention, in which the tunnel in which the working device is arranged is shown by being broken in a longitudinal direction.

FIG. 3 is a front view showing a specific mode of a trolley provided in the working apparatus.

FIG. 4 is a front view showing a specific mode of the working apparatus.

FIG. 5 is a front view showing a specific aspect of a handling unit included in the working apparatus.

FIG. 6 is a side view showing a specific mode of the handling section.

FIG. 7 is a side view showing a specific mode of the trolley,
The cart is shown in the form of a gate.

FIG. 8 is a front view showing a specific mode of the carriage,
The cart is shown in the form of a gate.

FIG. 9 is a view for explaining a step of attaching a member to be attached such as a protective plate to the inner peripheral surface of the tunnel by using the working device, and FIG. A state in which the member is pulled is shown, a state in which the member to be attached is connected to the handling portion is shown in FIG. 9B, and a member to be attached is shown in FIG. 9C in the tunnel. The state of being in contact with the peripheral surface is shown.

[Explanation of symbols]

1 Working device 13 Guide member 14 Handling department 15 Drive mechanism (drive means) 17 Pantograph type jack (transportation means) 18 Holding part (holding means) 24 Main body (support part) 25 Connection 26 motor 100 tunnels

─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP-A-6-294297 (JP, A) JP-A-8-19992 (JP, A) Actual development Sho-58-90299 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) E21D 11/00-11/40

Claims (3)

(57) [Claims] 1. A holding means used for attaching a member to be attached to an inner peripheral surface of a tunnel, for holding the member to be attached, a guide member arranged along a circumferential direction of the tunnel, and the holding means. A device for working a tunnel, comprising: a moving unit that is supported by the guide member so as to be movable along the guide member and that moves the holding unit in a direction intersecting a longitudinal direction of the tunnel. A device for working a tunnel, wherein the holding means includes a connecting part for connecting to the attached member and a supporting part for supporting the connecting part so as to be movable in a longitudinal direction of the tunnel. 2. The tunnel working apparatus according to claim 1, further comprising a driving unit that drives the moving unit so that the moving unit moves along the guide member. Working equipment. 3. The tunnel working apparatus according to claim 1 or 2, wherein the guide member has an arched shape having a convex upper portion when viewed in the longitudinal direction of the tunnel. A device for tunnel work characterized in that the lower part of the is open.