JP2001082093A - Lining body assembling device for rectangular shield machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lining body assembling device capable of smoothly and stably handling a long-sized lining member on the inside of a narrow existing lining body or at the rear part of a shield machine, so that the lining body can be efficiently assembled. SOLUTION: Long-side steel shell 7c to 7f carried in the lengthwise direction along the shield axis O making the under of the outer surface are held via retaining devices 36A, 36B to a holding frame 35, and they are turned by 90 deg. around the turning shaft 33 by a frame turning mechanism 34 to turn the outside surfaces of the long-size steel shells 7c to 7f toward the outside, and further the arm turning shaft 39 is turned by 90 deg. around the turning shaft 39 by an arm turning mechanism 40 to take a vertical attitude along the long-side part. Then, the holding frame 35 is moved by a longitudinally moving mechanism 31, an axially moving mechanism 37, and a shift mechanism 38 to position its prescribed long-side part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lining for assembling a long lining member which is disposed at a rear portion of a rectangular shield machine for digging a tunnel having a rectangular cross section having a relatively large vertical or horizontal length or width. The present invention relates to a body assembly device.

[0002]

2. Description of the Related Art Conventionally, a segment assembled by a segment assembling apparatus at the rear of a shield machine for excavating a circular or rectangular cross section has a rectangular or trapezoidal segment piece having an arcuate cross section or a small aspect ratio. Although there are many rectangular segment pieces and the inside is relatively wide, there is a relatively high degree of freedom in handling the segment pieces, although the equipment is somewhat restricted.

[0003]

By the way, for example, when trying to excavate a tunnel with a very large diameter and a rectangular cross section,
To divide the short side and long side into multiple parts, excavate these divisions with a rectangular shield machine, connect the segments assembled at the rear of these shield machines with each other, use them as partition walls, and cut through the inside Can be considered. In this case, the tunnel excavated by the rectangular shield machine has the most efficient rectangular cross section with a large aspect ratio.

A lining body assembled in such a tunnel having a rectangular cross section having a large aspect ratio is composed of a pair of short sides and a pair of long sides. In particular, since the long side is long and even if it is divided into several parts, it becomes long, so when assembling it, handle the long lining member inside a narrow existing lining or at the rear of the shield machine. There was a problem that it was difficult to be limited.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and enables a long lining member to be smoothly and stably handled in a narrow existing lining or at the rear of a shield excavator, thereby assembling the lining efficiently. It is an object of the present invention to provide an apparatus for assembling a lining body of a rectangular shield machine capable of performing the above.

[0006]

In order to achieve the above object, a lining body assembling apparatus for a rectangular shield machine according to claim 1 is arranged at a rear portion of a shield machine for excavating a tunnel having a rectangular cross section. A lining body assembling device for a rectangular shield machine where a lining member having a rectangular cross section is assembled in a tunnel by a lining member, and is moved in a long side direction via a long side moving mechanism to a shield body of the shield machine. A freely movable long side moving body is provided, and a frame turning mechanism that can freely turn around a turning axis parallel to the shield axis is provided on the long side moving body,
An axial direction moving mechanism that can move back and forth in the direction of the turning axis, a shift mechanism that can move in a direction perpendicular to the turning axis,
A holding frame is provided via an arm rotation mechanism rotatable around an axis orthogonal to the rotation axis, and the refraction frame is connected to the rotation axis at at least one end in the length direction of the holding frame. A bending mechanism that can be bent freely around a tangential axis centered on the center is provided, and a holding device that can hold a lining member is provided at a plurality of positions of a holding frame including the bending frame.

According to the above construction, when the lining member whose outer surface is the bottom is supplied in the shield axial direction along the length direction, the lining member is held by the holding frame via the holding device, The lining member is rotated by 90 ° from the posture in which the outer surface faces the bottom surface by the frame rotating mechanism to change the posture to the long side, and the arm rotating mechanism is further driven to rotate the lining member by 90 °.
Rotate to a posture along the long side direction. The lining member having a short long side can drive each mechanism to position the lining member at a predetermined long side position. The lining member on the short side is
The refraction frame is held by a gripping device for the refraction frame, and the refraction frame is bent by the refraction rotation mechanism from the posture along the long side to a posture parallel to the short side, and is positioned at a predetermined position. In this manner, the long lining member and the short lining member supplied in the length direction along the shield axis direction can be received, smoothly changed in posture, and positioned at a predetermined position.

According to a second aspect of the present invention, the holding frame having the above-mentioned structure is provided with a positioning / moving mechanism capable of sliding the slide member in the length direction, and the bending frame is provided at one end of the slide. According to the above configuration, the short frame is held by the bending frame gripping device, and the bending frame is bent by the bending rotation mechanism while the slide frame is moved to one end by the positioning movement mechanism. The posture of the lining body at the side can be changed. Therefore, even if there is an obstacle such as an assisting member on the short side, it can be inserted through the side while changing the posture to the short side, and positioned on the short side.

According to a third aspect of the present invention, in the above structure, a plurality of gripping devices are provided on the holding frame, and these gripping devices are gripped via a fine adjustment mechanism that swings within a predetermined range around one reference point. Tools are provided, and the posture of the lining member held by these gripping tools is configured to be finely adjusted by moving back and forth and swinging. According to the above configuration, since the fine adjustment mechanism is provided on each of the holding frames, the posture of the held lining body can be accurately adjusted and positioned at an appropriate position.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Here, an embodiment of a lining body assembling facility for a rectangular shield machine according to the present invention will be described with reference to FIGS.
It will be described based on. This vertical rectangular shield machine 1
As shown in FIGS. 1 and 2, a plurality (three) of main cutter heads 3A to 3C and a plurality of (four corner positions) sub-cutter heads 4A to 4D are arranged at the front of the shield main body 2. It is configured to excavate a vertically long rectangular section. At the rear of the shield body 2, a lining body assembling device 5 for assembling the lining body 7 in the excavated tunnel,
In the lining body assembling apparatus 5, steel shells 7a to 7f as lining members are provided.
Is provided.

As shown in FIG. 10, the lining body 7 assembled by the lining body assembling apparatus 5 is, for example, a vertically long rectangular frame having a ratio of a long side to a short side of about 3: 1 and a lower short side. Steel shell 7
a, upper and shorter side steel shells 7b and upper and lower left and right long side steel shells 7c to 7f each having a corner portion.
It is assembled in a rectangular shape by the procedures shown in (a) to (d). Further, a reinforcing member 7g, which is a middle pillar, is horizontally mounted at a certain interval at an intermediate position between the left and right long side steel shells 7c to 7f, and the space inside the lining body 7 is upper, lower, middle and lower spaces 7H, 7M. , 7L
Is divided into three. The lining member may be constituted by a concrete segment, but here, a steel shell, that is, steel shells 7a to 7f are employed. Further, the connecting portions of the steel shells 7a to 7f are formed on predetermined inclined surfaces depending on the assembling procedure and the fitting direction.

The shield body 2 of the shield machine 1
Consists of a front body 2a and a rear body 2b that are flexibly connected by a joint seal portion 21 and a bending jack 22.
A pressure partition 23 for maintaining earth pressure is provided at a front portion of the front trunk 2a. Then, the respective drive shafts penetrate through the pressure partition wall 23, and the cutter heads 3A to 3C, 4A to 4D
Are rotatably supported, and the cutter heads 3A to 3C and 4A to 4D are rotationally driven by cutter driving devices 24 and 25 arranged on the back surface of the pressure partition wall 23, respectively. Also, the pressure bulkheads 23 have cutter heads 3A to 3A.
C, a screw-type discharging device 26 which constitutes a part of a support member for discharging the earth and sand excavated by 4A to 4D is provided therethrough. The excavated earth and sand is applied to the pressure bulkhead 23
From the lower part of the lining 7 along the lower space 7L. The discharging device 26 constitutes a part of a support member, and includes the discharging device 26, a power cable, a signal transmitting / receiving cable, a hydraulic pipe, an air pipe, and the like.
A plurality of propulsion jacks 27 for propelling the shield main body 2 by using the lining body 7 assembled by the lining body assembling apparatus 5 as a reaction force receiver are provided at the rear part of the front trunk 2a.

The lining member supply device 6 is disposed in the middle space 7M as shown in FIG.
And a self-propelled delivery table device 11. The delivery table device 11 includes a self-propelled mechanism (not shown), a supply table 12 in which the steel shells 7a to 7f are arranged so that the inner surfaces thereof are respectively directed upward, and the supply table 12 is ejected by an upper and lower two-stage jack. And a table drive device 13 that is driven backward.

As shown in FIGS. 3 to 5, the lining body assembling apparatus 5 provided at the rear portion of the shield body 2 is provided with a long side moving body 32 via a long side moving mechanism 31. The long side moving body 32 has a frame turning mechanism 34 that can turn around a turning axis (turning axis) 33 parallel to the shield axis O, and an axial direction moving mechanism 37 that can move in the turning axis 33 direction. And a shift mechanism 38 for shifting in a direction orthogonal to the turning axis 33, and an arm turning mechanism 40 for turning about an arm turning axis (rotating axis) 39 orthogonal to the turning axis 33.
The holding frame 35 is disposed so as to be movable and pivotable via the. The holding frame 35 has a positioning movement mechanism 60 slidable in the length direction and a steel shell 7a.
Gripping device 36 that holds .about.7f via gripping tool 36a
A, 36B.

The long-side moving mechanism 31 moves a long-side moving body 32 up and down through a plurality of guide rollers 42 on a long side beam 41 laid on the inner surfaces of the left and right long side skin plates of the rear trunk 2b. Guided freely. A long side moving rack 44 is laid on the long side beam 41 along the long side direction, and is driven to rotate by a long side direction driving device (hydraulic or electric motor) 45 provided on the long side direction moving body 32. The long side moving pinions 43 are engaged with the long side moving racks 44, respectively.

In the frame turning mechanism 34, a turning shaft 33 is rotatably supported by a long side moving body 32 via a bearing, and a turning drive device (hydraulic or electric motor) provided on the long side moving body 32. A turning pinion 47, which is rotationally driven by 46, is meshed with a turning gear 48 of the turning shaft 33, and each device on the distal end side (rear) including the axial moving mechanism 37 and the shift mechanism 38 is rotated around the shield axis. Can be turned.

Further, the axial movement mechanism 37 is provided with a pivot shaft 3.
3, a moving frame 71 is disposed movably along the axial direction, and a bracket of the pivot shaft 33 and the moving frame 7 are provided.
1, an axial centering device (hydraulic jack or hydraulic cylinder) 72 is connected. Further, the shift mechanism 38 includes three guide members 73A to 73A including a shift rail and a thrust guide on the moving frame 71.
The pressing members 74A to 74C are movably supported in three stages via the respective 3C, and between the moving frame 71 and the pressing member 74A, the pressing members 74A, 74B or 74B,
A plurality of shift driving devices (hydraulic jacks or hydraulic cylinders) 75A to 75C are connected between 74C. Therefore, the turning drive device 46, the axial movement device 72, and the shift drive devices 75A to 75
C, the pressing member 74C on the tip side is connected to the shield axis O.
The holding frame 35 is adjusted by moving the holding frame 35 in the front-rear direction along the axis and the direction perpendicular to the shield axis O, and the held steel shells 7a to 7f can be pushed into predetermined positions.

Further, in the arm rotating mechanism 40, the holding frame 35 is rotatably supported by a bearing of a pressing member 74C on the distal end side via an arm rotating shaft 39 orthogonal to the shield axis O. A rotation pinion 78, which is rotationally driven by an arm rotation device (electric or hydraulic motor) 77 provided on 74 </ b> C, is meshed with an arm rotation gear 79 fixed to the arm rotation shaft 39. As a result, the holding frame 35 can be turned around the arm turning shaft 39 orthogonal to the shield axis O, and the held steel shell 7 can be rotated.
The positions of a to 7f can be changed.

As shown in FIGS. 7 and 8, the holding frame 35 includes a support frame 54 fixed to an arm pivot 76,
Positioning having a slide frame 55 slidably supported by the support frame 54 in the longitudinal direction, and a positioning moving device (hydraulic cylinder or hydraulic jack) 56 connected between the support frame 54 and the slide frame 55. A moving mechanism 60 is provided. This positioning movement mechanism 6
0 can move the steel shells 7a to 7f held in a predetermined range in the length direction of the slide frame 55. At one end of the slide frame 55, a refraction frame 58 is rotatably provided via a refraction rotation mechanism 57. Fine adjustment mechanisms 59A and 59B are provided at the other end of the refraction frame 58 and the slide frame, respectively. Gripping device 3 via
6A and 36B are provided respectively.

As shown in FIG. 9, these gripping devices 36A and 36B are provided with gripping holes 7h as gripping portions for positioning at predetermined positions on the inner surfaces of the steel shells 7a to 7f.
These holding frames 35A and 35B have holes 7h to be gripped.
And a gripper rotating device 36b for rotating the gripper 36a back and forth by 90 ° around the axis. The gripper 36a is fitted into the hole 7h to be gripped. After that, the steel shells 7a to 7f and the gripping devices 36A and 36B can be connected and fixed by, for example, being rotated about 90 ° by the gripping tool rotating device 36b.

The fine adjustment mechanisms 59A and 59B are used for swinging the held steel shells 7a to 7f to correct the pitch and the rolling of the posture.
8 and the storage portion of the slide frame 55,
Attitude adjusting plates 61A and 61B provided with 6A and 36B are arranged so as to be able to move out and incline, respectively. That is, the posture adjusting plate 61A arranged on the refraction frame 58
One end (end side) is supported by a spherical bearing (reference point) 62 so as to be tiltable, and the other side is spaced in the width direction by a pair of left and right fine adjustment devices (hydraulic jacks) 63A and 63B. And the fine adjustment device 63
Spherical joints 64A and 64B are interposed between the output rods of A and 63B and the posture adjusting plate 61A, respectively. Also,
One position on one side and two positions on the other side of the posture adjustment plate 61B disposed on the slide frame are supported by fine adjustment devices (hydraulic jacks) 63C to 63E, respectively, and outputs of the fine adjustment devices 6363C to 63E. The rod and the posture adjustment plate 61B are connected via spherical joints 64C to 64E.

Therefore, these fine adjustment mechanisms 59A, 5A
9B is operated in association with the long side steel shells 7c to 7f held by the two gripping devices 36A and 36B.
Of the spherical bearing 6 by the respective fine adjustment devices 63A to 63E.
By swinging about the center 2 in the pitching direction and the rolling direction, the posture can be finely adjusted. Further, the posture of the short side steel shell 7a or 7b held by the gripping device 36A of the one fine adjustment mechanism 59A can be finely adjusted.

In the refracting rotation mechanism 57, a refraction frame 58 is rotatably supported by a bracket on one end side of the slide frame 55 via a tangential refraction pin 65 about the arm rotation shaft 39. The refraction frames 58 are refracted by the refraction drive device (hydraulic cylinder or hydraulic jack) 66 in a range of about 90 ° about the refraction pin 65.

Therefore, as shown in FIG. 5, the slide frame 55 is slid downward by the positioning and moving mechanism 60 while the lower short side steel shell 7a is held in the vertical position on the refraction frame 58 via the gripping device 36A. While the bending frame 58 is bent by 90 ° by the bending driving device 66, the lower short side steel shell 7a can be inserted from the side of the screw type discharging device 26 to the lower portion and positioned at a predetermined position. .

Next, a method of assembling the lining 7 by the lining assembly apparatus 5 will be described with reference to FIGS. As shown in FIGS. 10A to 10D, the lining body 7 is supplied with the lower short side steel shell 7a and is positioned first, and then the lower left long side steel shell 7c and the lower right side in order from the bottom. Long side steel shell 7d, then upper right long side steel shell 7f, upper left long side steel shell 7e, and finally upper short side steel shell 7b
Is assembled.

1) The lower short side steel shell 7a carried in by the member carry-in hoist 10 of the lining member supply device 6 is placed on the supply table 12 of the delivery table device 11 so that the outer surface is the bottom surface, and is shielded. It is carried in along the direction of the axis O and projected to the delivery position. 2) Frame turning mechanism 3
4 and the holding frame 35 in a horizontal posture along the axial direction by the arm rotating mechanism 40 is moved closer to the lower short side steel shell 7 a by the moving mechanisms 31 and 38 and the positioning moving mechanism 60, and grips the bending frame 58. It is held in the device 36A.
Then, the lower short side steel shell 7a is lifted from the supply table 12, and after the lower short side steel shell 7a is turned 90 ° by the frame turning mechanism 34 so that the bottom surface thereof is directed sideward [FIG.
1 (a)], the lower short side steel shell 7a by the arm rotating mechanism 40
Is rotated 90 ° about the arm rotation shaft 39 to be in a vertical posture along the long side.

Then, while being moved downward by the long side direction moving mechanism 31, it is shifted outward by the shift mechanism 38 and moved to the left side of the screw type earth discharging device 26 (FIG. 11B). Further, as shown in FIG. 3, while the slide frame 55 is slid downward by the positioning and moving mechanism 60, the refraction frame 58 is bent by the refraction drive device 66, so that the side portion of the support member such as the earth removal device 26 is provided. , The lower short side steel shell 7a is inserted into the lower part of the support member in the assembling posture, and the fine adjustment mechanism 59
The position of the lower short side steel shell 7a is finely adjusted by A and positioned at an appropriate position on the lower short side portion [FIG. 11 (c)].

3) The left or right lower long side steel shells 7c and 7d are carried in along the direction of the shield axis O from the lining member supply device 6, and are sequentially mounted on the holding frame 35 by the two holding devices 36.
A, 36B. Then, after the lower long side steel shells 7c and 7d are turned 90 ° to the left or right so that the bottom faces sideward by the frame turning mechanism 34 [FIG. Lower long side steel shell 7
The members c and 7d are rotated by 90 degrees about the arm rotation shaft 39, and are brought into an assembling posture along the long side [FIG. 12B]. Then, the left lower long side steel shells 7c and 7d are moved downward by the long side direction moving mechanism 31, and are shifted outward by the shift mechanism 38 to move closer to the lower side of the long side. , 7d are finely adjusted by the fine adjustment mechanisms 59A, 59B, and then are respectively positioned at appropriate positions below the long sides [FIG. 12 (c)].

4) The left and right upper long side steel shells 7e and 7f are sequentially carried in along the direction of the shield axis O by the lining member supply device 6, and the two holding devices 36A and 3
6B sequentially (FIG. 13A). Then, the upper long side steel shells 7e and 7f are moved by the frame turning mechanism 34.
The left or right so that its bottom faces sideways 90 °
After being turned [FIG. 12 (b)], the upper long side steel shells 7e and 7f are turned by 90 ° about the arm turning shaft 39 by the arm turning mechanism 40 to be in an assembling posture along the long side. [Figure 1
3 (c)]. Then, the lower long side steel shells 7e and 7f are moved upward by the long side direction moving mechanism 31, and are shifted outward by the shift mechanism 38 to move closer to the upper side of the long side, and the upper long side steel shells 7e and 7f are moved. Posture is fine adjustment mechanism 59
After being finely adjusted by A and 59B, they are respectively positioned at appropriate positions above the long sides.

5) The upper short side steel shell 7b is carried in along the direction of the shield axis O by the lining member supply device 6, and is held by the bending frame 58 of the holding frame 35 via the gripping device 36A. And the upper short side steel shell 7b is supplied to the supply table 1
2, the upper short side steel shell 7 b is turned 90 ° by the frame turning mechanism 34 so that the bottom surface thereof is directed to the side [FIG. 14A], and then the upper short side is turned by the arm turning mechanism 40. The steel shell 7b is turned by 90 ° about the arm turning shaft 39, and the refraction frame 58 is turned upward [FIG.
(B)].

Further, the upper / short side steel shell 7b is moved upward by the long side direction moving mechanism 31, and the refraction frame 58 is bent by 90 ° by the refraction drive device 66, whereby the upper / short side steel shell 7b is moved. The posture is changed to the horizontal posture, and further the posture is changed to the assembly posture facing the lower side by the shift mechanism 38 and the positioning movement mechanism 60. Then, the attitude of the upper short side steel shell 7b is finely adjusted by the fine adjustment mechanism 59A and positioned at an appropriate position [FIG. 14 (c)].

According to the above embodiment, the shield axis O
Long-sided steel shell 7c carried in the length direction along the direction
After turning the outer surface to the side by the frame turning mechanism 34, the arm turning mechanism 40 turns the arm 7f through 90 ° around the arm turning shaft 39, thereby effectively utilizing the space along the long side. Then, the long side steel shells 7c to 7f can be rotated to change to the assembly posture. Therefore, even in the rear space of the narrow shield main body 2 or the inside of the lining body 7, the posture can be smoothly changed and the positioning can be performed accurately.

Further, since the gripping device 36A for holding the short side steel shells 7a and 7b is provided on the bending frame 58 provided at one end side of the holding frame 35 via the bending rotation mechanism 57, the long side steel shell 7c is provided. The short side steel shells 7a and 7b can be changed to the assembled posture by bending the refraction frame 58 from the same assembled posture as that of FIGS. Furthermore, by bending the refraction frame 58 while projecting the refraction frame 58 by the positioning and moving mechanism 60, even if an assisting member such as the earth discharging device 26 is provided near the short side, It can be inserted into the short side while changing the posture through the side.

Further, a plurality of holding devices 36A, 36B provided on the holding frame 35 and fine adjustment mechanisms 59A, 59B capable of pitching and yawing adjustment centering on a spherical bearing 62, which is a reference position, are provided. The short side steel shells 7a and 7b held by 36A alone, of course,
Long side steel shell 7c held by a plurality of holding devices 36A, 36B
7f can be finely adjusted to an appropriate posture, and accurate positioning can be performed.

In the above embodiment, a rectangular shield machine for excavating a vertically long rectangular section has been described.
A rectangular shield machine for excavating a horizontally long rectangular cross section can be similarly configured. This is optional,
What is necessary is just to read a position and a moving direction, respectively. In the above-described embodiment, the bending frame 57 is provided at one end of the holding frame 35. However, the bending frame may be provided at both ends via the bending frame.

[0036]

As described above, according to the first aspect of the present invention, when a lining member having an outer surface serving as a bottom is supplied in the shield axial direction along the length direction, the lining member becomes It is held by a holding frame via a holding device, and the lining member is 90 ° from a posture in which the outer surface faces the bottom surface by a frame turning mechanism.
The arm is rotated to change the posture toward the long side, and further, the arm rotation mechanism is driven to rotate the lining member by 90 °, so that the posture is along the long side. The lining member having a short long side can drive each mechanism to position the lining member at a predetermined long side position. In addition, the lining member on the short side is held by a gripping device for the refraction frame, and the refraction frame is bent by a refraction rotating mechanism from the posture along the long side to a posture parallel to the short side, and is positioned at a predetermined position. Position. In this manner, the long lining member and the short lining member supplied in the length direction along the shield axis direction can be received, smoothly changed in posture, and positioned at a predetermined position.

According to the second aspect of the present invention, the wrapping body having the short short side is held by the gripping device for the refraction frame, and the slide frame is refracted by the refraction rotation mechanism while the slide frame is moved to one end by the positioning movement mechanism. By bending the frame, it is possible to change the posture of the lining body on the short side. Therefore, even if there is an obstacle such as an assisting member on the short side, it can be inserted through the side while changing the posture to the short side, and positioned on the short side.

According to the third aspect of the present invention, since the fine adjustment mechanism is provided for each of the holding frames, the posture of the held lining body can be accurately adjusted and positioned at an appropriate position.

[Brief description of the drawings]

FIG. 1 is an overall side sectional view showing an embodiment of a rectangular shield machine including a lining body assembling apparatus according to the present invention.

FIG. 2 is a front view of the rectangular shield machine.

FIG. 3 is a partially cutaway side sectional view showing the lining body assembling apparatus.

FIG. 4 is a half-plane sectional view showing the lining body assembling apparatus.

FIG. 5 is a rear view showing the lining body assembling apparatus.

FIG. 6 is a side sectional view showing the lining member supply device.

FIG. 7 is a front view showing a holding frame of the lining body assembling apparatus.

FIG. 8 is a side sectional view showing a holding frame of the lining body assembling apparatus.

FIG. 9 is a perspective view showing a gripper of the gripper of the lining body assembly apparatus.

10 (a) to 10 (d) are perspective views showing a procedure for assembling a steel shell by the lining body assembling apparatus.

11 (a) to 11 (c) are rear views showing an assembled state of a lower short side steel shell by the lining body assembling apparatus.

12 (a) to 12 (c) are rear views showing an assembled state of the lower left long side steel shell by the lining body assembling apparatus.

13 (a) to 13 (c) are rear views showing an assembled state of an upper left long side steel shell by the lining body assembling apparatus.

14 (a) to 14 (c) are rear views showing an assembled state of the upper short side steel shell by the lining body assembling apparatus.

[Explanation of symbols]

 O Shield axis 1 Shield excavator 5 Lining body assembling device 6 Lining member supply device 7 Lining body 7a to 7f Steel shell 26 Discharge device 31 Long side direction moving mechanism 32 Long side direction moving body 33 Revolving axis 34 Frame Revolving mechanism 35 Holding frame 36A, 36B Gripping device 37 Axial direction moving mechanism 38 Shift mechanism 39 Arm rotating shaft 40 Arm rotating mechanism 56 Positioning moving mechanism 57 Refracting rotating mechanism 58 Refracting frame 59A, 59B Fine adjustment mechanism

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Tatsumi Chinori 1-25-1, Nishi-Shinjuku, Shinjuku-ku, Tokyo Inside Taisei Construction Co., Ltd. No. Taisei Construction Co., Ltd. No. 89 F-term in Hitachi Zosen Corporation (reference) 2D055 BA01 BB03 GB02

Claims (3)

[Claims] 1. A lining body assembling apparatus for a rectangular shield machine which is disposed at a rear portion of a shield machine for excavating a tunnel having a rectangular cross section and assembles a lining body having a rectangular cross section in the tunnel by a lining member. In the shield body of the shield machine, a long-side moving body movable in the long-side direction is provided via a long-side moving mechanism, and the long-side moving body is provided around a turning axis parallel to the shield axis. A frame pivoting mechanism that can freely pivot in the direction of the pivot axis, a shift mechanism that can move in the direction perpendicular to the pivot axis, and a rotation mechanism that can move in the direction perpendicular to the pivot axis. A holding frame is provided via an arm rotation mechanism that is rotatable around an axis. At least one end of the holding frame in the length direction is provided with a refraction frame, and a tangential axis centered on the rotation axis. Freely bendable around the heart The refractive rotating mechanism is provided, at a plurality of positions of the holding frame including the refractive frame, lining assembling apparatus of the rectangular shield machine, characterized in that a holding capable gripping device lining member. 2. The rectangular shield excavating device according to claim 1, wherein a positioning and moving mechanism is provided on the holding frame so that the slide member can slide in the length direction, and the bending frame is provided at one end of the slide. Lining assembly equipment for the machine. 3. A plurality of gripping devices provided on a holding frame are provided with grippers via a fine adjustment mechanism for swinging a predetermined range around one reference point, and are held by these grippers. The lining body assembling apparatus for a rectangular shield machine according to claim 1 or 2, wherein the posture of the lining member is adjusted so as to be able to move back and forth and swing.