JP2003206696A - Erector device and assembling method of segment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an erector device used for a shape-different cross sectional tunnel such as a rectangular tunnel and to provide an assembling method of a segment. <P>SOLUTION: The erector device 1 for installing the segment 2 in the tunnel is provided with a vertically moving mechanism moved vertically, a laterally moving mechanism moved in the lateral direction to a tunnel axial direction, an axial mechanism expanded and contracted in the tunnel axial direction, an axial rotation mechanism rotated around the tunnel axial direction, and an orthogonal axis rotation mechanism rotated around the tunnel axis orthogonal direction. An ultra-flat rectangular tunnel can be efficiently assembled by the erector by using the multi-function erector device. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an erector device for gripping a segment when constructing a lining for a tunnel and a method for assembling the segment.

[0002]

2. Description of the Related Art Conventionally, as a method of constructing a lining e of a tunnel, there is a method of loading a plurality of precast segments d into a tunnel and arranging the segments d at predetermined positions for assembly. In this method, the carrier d is used to transport the segment d from the wellhead to a predetermined place in the tunnel, and the hoist device b is often used near the face. Then, the final assembly is performed using the elector device a. Conventional erector device a
Is a mechanism for moving the segment d in the radial direction of the tunnel,
It has a mechanism to move in the circumferential direction of the tunnel. Further, when the segment d is finally fitted, fine adjustments such as yawing correction, rolling correction and pitching correction are performed.

[0003]

The above-mentioned conventional erector device and segment assembling method have the following problems. <A> Since the conventional elector device a is manufactured for a circular tunnel, there is a limit to the range in which the segments can be arranged. Therefore, it cannot be applied to a tunnel having a rectangular cross section.
Also, the larger the segment, the more difficult it is to apply. <B> After transporting the segment d by the transport carriage c, it is necessary to transport the segment d by the hoist device b to a position where the segment can be gripped by the erector device a. For this reason, it takes a lot of time and labor, which is a problem in shortening the construction period.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide an erector device and a method of assembling a segment which can be used in a tunnel having an irregular cross section such as a rectangular tunnel. . In particular,
An object of the present invention is to provide an erector device applicable to an ultra-flat rectangular tunnel and a method for assembling a segment.
Also, efficiently transport the segment to the erector device,
It is an object of the present invention to provide a segment assembling method that enables construction of a lining in a short time. The present invention achieves at least one of these objectives.

[0005]

In order to achieve the above-mentioned object, the erector device of the present invention is an erector device for installing a segment in a tunnel, and is an up-and-down moving mechanism that moves vertically. And a lateral movement mechanism that moves laterally with respect to the tunnel axis direction, an axial mechanism that expands and contracts in the tunnel axis direction, and an orthogonal axis rotation mechanism that rotates around the tunnel axis orthogonal direction. here,
The erector device has a function of performing yawing correction, rolling correction, or pitching correction. A known mechanism can be used as a fine adjustment mechanism for performing this correction, but if fine adjustment can be performed by a combination of the above mechanisms, it is not necessary to provide a special fine adjustment mechanism. It is also possible to provide an axis rotating mechanism that rotates around the tunnel axis direction.

Then, in the method of assembling the segment, in the method of assembling the segment that constitutes the lining of the tunnel, the segment carried to a predetermined position by the segment supply device that moves the segment in the tunnel axial direction is the above-mentioned erector device. In this method, the segment is installed at a predetermined position by gripping with, and operating each mechanism of the elector device as needed. Here, it is preferable that the segment supply device is a device that can perform the work of receiving the segment from the transport carriage and delivering it to the erector device as a series of work. Further, it is also possible to use a structure in which the segment can slide in the tunnel axis direction while supporting at least one end of the segment gripped by the erector device.

Further, in the above-mentioned method, the segment is installed in the segment supply device so that the end surface of the segment forming the tunnel cross section faces downward, the segment is gripped by the erector device, and if necessary, the segment is installed. Raising the segment using the orthogonal axis rotation mechanism, the vertical movement mechanism, and the axial mechanism, and moving the segment to a predetermined position using at least one of the vertical movement mechanism or the lateral movement mechanism, It is a method of installing a segment at a predetermined position while finely adjusting the position of the segment. By using an erector device capable of various movements, it is possible to select an optimal method for loading and installing a large segment in a limited space. Here, when the shaft rotating mechanism is used, the grasped segment is rotated around the tunnel axial direction according to the procedure.

[0008]

Embodiment 1 of the present invention will be described below with reference to the drawings.

<a> Elector device The erector device 1 includes an up-and-down moving mechanism that moves in the vertical direction, a lateral moving mechanism that moves laterally with respect to the tunnel axial direction, and an axial mechanism that expands and contracts in the tunnel axial direction. The assembly device of the segment 2 is provided with an orthogonal axis rotation mechanism that rotates around a direction orthogonal to the tunnel axis and a fine adjustment mechanism that performs yawing correction, rolling correction, or pitching correction. In addition, it will be equipped with a shaft rotation mechanism that rotates around the tunnel axis as required. The vertical movement mechanism is a mechanism for moving the grasped segment 2 in the vertical direction of the tunnel (for example, the direction A in FIG. 1). A known slide mechanism, a mechanism using a rack and a pinion, a mechanism using a pulley and a belt can be used. The lateral movement mechanism is a mechanism for moving the grasped segment 2 in the lateral direction (for example, the direction B in FIG. 5) with respect to the tunnel axis direction. A mechanism similar to the vertical movement mechanism can be used. The axial mechanism is a mechanism for gripping the segment 2 or moving the gripped segment 2 in the tunnel axial direction (C direction in FIG. 2). A hydraulic jack or link mechanism can be used. The shaft rotation mechanism is a mechanism for rotating the gripped segment 2 around the tunnel axis direction (D direction in FIG. 4). For example, the eclectic device 1 is rotated about an axis in the tunnel axis direction that supports the erector device 1. The orthogonal axis rotation mechanism is a mechanism for rotating the gripped segment 2 around a direction substantially orthogonal to the tunnel axis direction. For example,
It is rotated (for example, the E direction in FIG. 1) around an axis that supports the elector device 1 facing the tunnel crossing direction. The shaft that supports the elector device 1 that is substantially orthogonal to the tunnel axis direction is rotated in the tunnel crossing direction by the rotation of the shaft rotation mechanism.
Change the direction from diagonal to vertical. The fine adjustment mechanism
A mechanism for performing yawing correction, rolling correction, or pitching correction when the segment 2 is finally installed, and a mechanism used in a known elector device can be used.
If fine adjustment can be performed by a combination of the above mechanisms, it is not necessary to provide a special fine adjustment mechanism.

<B> Segment Supply Device The segment supply device 3 is a device for carrying the segment 2 between the carrier 4 and the erector device 1. The segment supply device 3 has means for moving the device itself in the tunnel axis direction, and means for transferring the segment 2 in the tunnel axis direction on the device. Segment feeder 3
The means for moving itself in the tunnel axis direction is a track system,
There is a trackless system. Further, a belt conveyor 31, a roller conveyor 32, a flat conveyor, a slide plate 33, or the like can be used as a means for transferring the segment 2 in the tunnel axial direction on the segment supply device 3.

<C> Conveying carriage The conveying carriage 4 is a carriage for conveying the segment 2 carried in from a wellhead or a vertical shaft to the segment supply device 3. The transport carriage 4 transports the segment 2 in the tunnel by moving in the tunnel axis direction by a track system or a trackless system. The carrier 4 is preferably provided with means for transferring the segment 2 in the tunnel axis direction on the device. If the segment 2 can be transferred on the transport carriage 4, the segment 2 is transported to the transport carriage 4
It can be delivered between the two or between the carriage 4 and the segment feeder 3. When the transport distance becomes long, the transport vehicle 4 which is different for each section is made to travel and the segment 2 is delivered at the boundary between the sections, so that the segment 2 is efficiently transferred.
Can be transported. Segment 2 on carrier 4
The same means as the above-mentioned means for transferring on the segment supply device 3 can be used for the means for transferring in the tunnel axis direction.

Hereinafter, a method of assembling the segments will be described with reference to the drawings by exemplifying a case of constructing a lining 20 of an ultra-flat rectangular tunnel (see FIG. 4).

<A> Application Situation The rectangular tunnel lining 20 is constructed by combining segments 2a having substantially L-shaped end faces and trapezoidal segments 2b forming the tunnel cross section (see FIG. 4). The number of the elector devices 1a to be used can be arbitrarily determined depending on the number of carry-in entrances for supplying the segment 2.
In the illustrated drawings, an embodiment in which the segment 2 is supplied from the second floor in the tunnel toward the erector device 1a is disclosed. You can also assemble the segments. Furthermore, a floor slab on the third floor may be provided to assemble the segments at three locations.

<B> Segment transportation (FIG. 6) The segment 2 is transferred from the transportation vehicle 4 to the segment supply device 3a.
Hand over to. To install segment 2 on the trolley,
There are upward installation in which the outer peripheral surface of the segment 2 is placed in contact with the bogie, downward installation in the opposite direction, and vertical installation in which the end surface of the segment 2 forming the tunnel cross section faces downward. For example, the segment 2 is set upright and the carrier 4 is moved to a predetermined position so as to be adjacent to the segment supply device 3a. In this state, the carriage 4
The belt conveyor 31 on the segment supply device 3a is moved to transfer the segment 2 in the tunnel axis direction (F direction in FIG. 6). When the segments are placed upright, it is preferable to use a transfer means such as the belt conveyor 31 that does not cause relative displacement between the segment 2 and the contact surface. In this way, the transfer of the segment 2 from the carrier 4 to the segment supply device 3a is completed.

<C> Gripping by the erector device (FIG. 2) The segment 2 conveyed while standing upright on the segment supply device 3a is gripped by the erector device 1a in the same posture. As shown in FIG. 2, when the segment is supplied from the second floor, the segment supply device 3 that can project from the floor slab on the second floor in the direction of the elector device 1a.
Preference is given to using a. Further, the gripping mechanism of the erector device 1a can be extended to the segment 2 side and taken in by the axial mechanism of the erector device 1a. In Figure 3,
The top view of the elector apparatus 1a when holding the segment 2 is shown.

<D> Rotation by Axial Rotation Mechanism (FIG. 4) When the orientation of the segment 2 gripped by the segment supply device 3a is different from the installation orientation, the segment 2 is rotated around the tunnel axial direction (D direction). This rotation may be performed after the work of raising the segment 2, which will be described later, in some cases.

<E> Standing of the segment (FIG. 1) When the segment 2 is conveyed upright, the segment 2 gripped by the erector device 1a is installed at a position of about 90.
It is necessary to raise segment 2 because it faces different directions. Therefore, the segment 2 is raised by rotating the grasped segment 2 around the tunnel crossing direction (E direction). If the segment supply device 3a interferes when the segment 2 is raised, the segment supply device 3a is retracted in the tunnel axis direction (G direction).
If necessary, the vertical movement mechanism moves the segment in the vertical direction (for example, the A direction) to secure a space for rotation.

<F> Installation of segment (FIG. 5) The segment 2 which has been erected is installed at a predetermined position. For example, the lateral movement mechanism is used to move the segment 2 in the lateral direction (B direction), and the vertical movement mechanism positions the segment 2 at a predetermined position. When the segment 2 is installed at the final position, yawing correction, rolling correction or pitching correction is performed by the fine adjustment mechanism, and the segment 2 is installed at the correct position.

[0019]

Second Embodiment Although the first embodiment of the present invention has been described with reference to the general embodiment of the present invention, the orthogonal shaft rotating mechanism rotating around the tunnel shaft orthogonal direction is provided with the power for rotation. The case where there is no such case will be described here.

<A> Segment feeding device As the segment feeding device 3, a device equipped with a transfer means for smoothly sending out the segment 2 in accordance with the movement of the segment 2 is used. For example, a segment supply device 3b (see FIG. 7) having a roller conveyor 32 on the upper surface,
Segment feeder 3 with slide plate 33 on top
c (see FIG. 8) or the like can be used. The slide plate 33 can move in the tunnel axis direction along a track 34 such as a rail or groove provided on the upper surface of the segment supply device 3c.

<B> Standing of segment (FIG. 7) A case where the segment 2 is raised by rotating the vertically placed segment 2 around the tunnel crossing direction (E direction) by the erector device 1b will be described. The other movements are the same as those described in the first embodiment of the invention. After gripping the segment 2, the erector device 1b is moved in the A direction by the vertical movement mechanism.
The orthogonal shaft rotation mechanism of the erector device 1b described here does not have the power to rotate, but can rotate freely around the tunnel axis orthogonal direction. Further, a roller conveyor 32 which can rotate or rotate freely is installed on the upper surface of the segment supply device 3b. Therefore, when the erector device 1b is moved upward, the segment 2 is freely rotated around the direction orthogonal to the tunnel axis, and its lower portion approaches the face and stands up. This movement is the same when the segment supply device 3c provided with the slide plate 33 is used.

In this method, the segment 2 may rotate too much in the direction of the cutting face, and therefore the following measures can be taken. For example, a protrusion fitting 35 can be attached to the tip of the slide plate 33 in the cutting face direction to prevent the segment 2 from over-rotating or departing. Further, the wire attached to the lower portion of the segment 2 is erected while being pulled toward the wellhead side to prevent excessive rotation. Further, a brake or the like may be provided on the rotating shaft of the orthogonal shaft rotating mechanism to prevent over-rotation.

[0023]

Since the erector device and the method of assembling the segment according to the present invention are as described above, the following effects can be obtained. <A> The elector device includes a mechanism for moving in a plurality of directions and a mechanism for rotating about a plurality of axes. Therefore, it is possible to install a segment for a rectangular tunnel or a large segment for a modified section tunnel. <B> The transport vehicle and the erector device are continuously connected by the segment supply device. Therefore, the segment can be efficiently transported to the erector device. Further, since the time required for transshipping the segments can be saved, the segments can be assembled in a short time. <C> There are various movements of the elector device. For this reason, the segments loaded in various postures can be gripped and installed as they are. For this reason, segments of various sizes or shapes can be installed even in a tunnel where the space available for transportation and installation is limited.

[Brief description of drawings]

FIG. 1 is an explanatory view of an embodiment when raising a segment of a segment assembling method of the present invention.

FIG. 2 is an explanatory diagram of an embodiment when gripping a segment with an erector device.

FIG. 3 is a plan view of an embodiment when a segment is gripped by an erector device.

FIG. 4 is an explanatory diagram of an embodiment when a segment is rotated around the tunnel axis direction.

FIG. 5 is an explanatory diagram of an embodiment when moving a segment in the lateral direction.

FIG. 6 is an explanatory view of an embodiment when a segment is transferred from a carrier truck to a segment supply device.

FIG. 7 is an explanatory diagram of an example when causing a segment in the second embodiment.

FIG. 8 is a perspective view of an embodiment of a segment supply device including a slide plate.

FIG. 9 is an explanatory diagram of an embodiment of a conventional segment assembly method.

[Explanation of symbols]

1. Electa device 2 segment 3 segment feeder 4 ... Transport vehicle

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takashi Wadashi             11-11 Kitahamacho, Chita City, Aichi Prefecture Ishikawajima Harima             Heavy industry Aichi factory (72) Inventor Hiroaki Tomimatsu             11-11 Kitahamacho, Chita City, Aichi Prefecture Ishikawajima Harima             Heavy industry Aichi factory (72) Inventor Yuji Sakuma             11-11 Kitahamacho, Chita City, Aichi Prefecture Ishikawajima Harima             Heavy industry Aichi factory F-term (reference) 2D055 BB03 BB04 GB01 GB03

Claims (4)

[Claims] 1. An erector device for installing a segment in a tunnel, comprising: a vertical moving mechanism that moves in a vertical direction; a lateral moving mechanism that moves laterally with respect to a tunnel axial direction; and a lateral moving mechanism in a tunnel axial direction. An erector device including an axial mechanism that expands and contracts, and an orthogonal axis rotation mechanism that rotates around a tunnel axis orthogonal direction. 2. The erector device according to claim 1, further comprising a shaft rotation mechanism that rotates around a tunnel axis direction. 3. A method of assembling a segment which constitutes a lining of a tunnel, wherein the segment conveyed to a predetermined position by a segment supply device for moving the segment in the tunnel axial direction is
A segment assembling method, wherein the segment is installed at a predetermined position by being gripped by the erector device according to claim 1 or 2 and activating each mechanism of the erector device as necessary. 4. The method for assembling a segment according to claim 3, wherein the segment is installed in the segment supply device so that an end surface of the segment forming the tunnel cross section faces downward, and the segment is gripped by the erector device. Then, the segment is raised by using the orthogonal axis rotation mechanism, the vertical movement mechanism, and the axial direction mechanism as necessary, and the segment is generated by using at least one of the vertical movement mechanism or the lateral movement mechanism. Is moved to the specified position, and the segment is installed at the specified position while finely adjusting the position of the segment.