JP4879076B2 - Electa device for shield machine - Google Patents

Description

  The present invention relates to an erector apparatus for assembling a segment (lining body) on the inner surface of a tunnel excavated by a shield machine, and in particular, a tunnel having a high flatness such as an oval, an ellipse, or a glasses, a rectangular cross section, a rectangular The present invention relates to an erector apparatus suitable for a tunnel having a cross section.

For example, in Patent Document 1, a swivel ring that can swivel around a shield axis is provided at the rear of the shield machine, and a retracting frame that is retreated in a radial direction by a guide device provided at a symmetrical position of the swivel ring is provided. There is disclosed a device in which a segment gripping device is provided at the distal end of the exit / retreat frame.
JP-A-5-287994

  In the above-described conventional configuration, the segment held by the gripping device is transported to the assembly position on the inner surface of the tunnel on the outer peripheral portion by the turning movement by the turning ring and the movement in the radial direction by the withdrawal frame. However, cross sections with high flatness such as oval, ellipse, and glasses, and cross sections with corners such as rectangular and rectangular cross sections, the transport stroke to the assembly position becomes longer and the shield machine In order to prevent interference with other equipment in the rear part, it is necessary to control the posture of the segment in a complicated manner, and there is a problem that the conventional erector apparatus cannot cope with it.

  The present invention solves the above problems and smoothly transports the segment to the assembly position even in a tunnel with a high flatness such as an oval, ellipse, or glasses, or a tunnel with a rectangular or rectangular cross section. An object of the present invention is to provide an erector apparatus for a shield machine capable of assembling segments safely and efficiently.

An erector apparatus for a shield machine according to claim 1 includes a swivel ring provided at a rear portion of the shield machine so as to be pivotable about an axis parallel to the shield axis, and a base end portion of the swivel ring having a shield shaft A swing arm that is swingably supported around a support shaft parallel to the center, and a swing drive device that swings the swing arm between a retracted position along the swivel ring and a use position deployed on the outer peripheral side. And a gripping device provided at a free end portion of the swing arm via a rolling swing mechanism swingable about an axis parallel to the shield axis, and capable of holding a segment , the rolling swing mechanism The swing frame is supported on the free end portion of the swing arm so as to be swingable around the free end axis parallel to the shield axis, and has a gripping device, and the rolling frame swings around the free end axis. The rolling drive device comprises: an arcuate gear attached to the outer periphery of the rolling frame around the free end axis; and the arcuate gear provided at the free end of a swing arm. It is comprised with the pinion which meshes and the rotational drive apparatus which rotationally drives the said pinion .

According to a second aspect of the present invention, there is provided an erector apparatus for a shield machine according to the first aspect , wherein the swing driving device includes a predetermined portion of the swiveling ring corresponding to the free end portion of the swing arm at the retracted position, and an intermediate portion of the swing arm. And a linear drive device connected between the two.

Erector apparatus according to claim 3, wherein the shield machine, in the structure according to claim 1 or 2, wherein the swing arm, a support shaft of a base end portion provided over the parallel guide shaft to the support shaft at an intermediate portion And at least a pair of arm bodies, and a shift arm that is slidably guided by the support shaft and the guide shaft between the arm bodies and has a gripping device on the free end side, and is provided on the shift arm and the swing arm. The shift arm includes a shift drive device that slides the shift arm along the support shaft and the guide shaft, and is provided with a shift movement mechanism that can move the gripping device in the shield axis direction.

  According to the first aspect of the present invention, the segment can be transported with a sufficiently long stroke by the movement of the swing arm in the circumferential direction by the swiveling movement of the swivel ring and the movement of the gripping device by the opening and closing of the swing arm. In addition, it is possible to control the posture of the segment in a wide range by the rolling swing mechanism, so tunnels with a high flatness such as elliptical cross section, elliptical cross section, deformed cross section such as glasses shape, Even in a tunnel having a rectangular section or a rectangular section like a rectangular section, the segment can be smoothly transported to all assembly positions in the tunnel by the erector device, and the segment can be positioned with high accuracy. The segments can be assembled safely and efficiently without interfering with the equipment.

In addition, the rolling frame is supported so as to be swingable around the free-end axis, and the pinion is rotated by the rolling drive device to swing the rolling frame via the arcuate gear. The posture can be changed by swinging with a high torque within a wide angle range, and the segment can be controlled to an arbitrary posture. Thereby, the segment can be transported without interfering with other equipment in a narrow space at the rear of the shield machine.

According to the configuration of the second aspect , when the swing arm is opened and closed between the storage position and the use position, the driving force of the linear drive device constituting the swing drive device is applied to the intermediate portion of the swing arm. Thus, it is possible to easily cope with the high load of the segment, and the load fluctuation that occurs in response to the turning angle of the turning ring and the inclination of the swing arm.

According to the third aspect of the invention, since the shift movement mechanism is provided integrally with the swing arm, the size and space saving of the erector device can be achieved .

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[Embodiment 1]
A first embodiment of an erector apparatus for a shield machine will be described with reference to FIGS.

As shown in FIGS. 1 and 2, this shield machine excavates a tunnel with a high oblate cross section composed of upper, lower, left and right arc sides and corners of four corners. Hold the collapsible earth pressure while excavating the tunnel with a cutter head (not shown) at the section, and assemble the segment S along the tunnel inner surface with the erector devices 3 and 3 provided at the rear of the shield body 1 To do. Then, the assembled segment S is dug out as a reaction force receiver by a plurality of hydraulic propulsion jacks (or cylinders) 2 arranged at the rear of the shield body 1. The erector apparatuses 3 to the rear of the shield body 1 has kicked a left and right oppositely arranged, because erector apparatuses 3 of the right and left are symmetrical structure, the other description describes only one omitted.

  This erector device 3 includes a swivel ring 11 disposed at the rear of the shield body 1 so as to be pivotable around a swivel axis O ′ parallel to the shield axis O which is the axis of the shield body 1, A swing arm 21 is supported on the swing arm 21, which is supported on an arm support frame 15 projecting rearward from a predetermined position so that the base end thereof is swingable about a support shaft 16 parallel to the shield axis O. And a shift movement mechanism 22 that is movable in the direction of the shield axis O, and a gripping device 41 that is provided at the free end of the swing arm 21 via a rolling swing mechanism 31 and can hold the segment S. .

  A swiveling roller 13 is supported by a plurality of support members 12 attached at predetermined positions in the circumferential direction at the rear portion of the shield body 1 so as to be rotatable around an axis parallel to the shield axis O, and the swiveling ring 11 A guide rail 11a provided on the outer peripheral portion of the guide rail 11a is supported by the turning rollers 13 so as to be able to roll and is supported around the turning axis O ′. The turning drive device 14 for turning the turning ring 11 includes a turning ring gear 14a provided on the outer periphery of the turning ring 11, a turning pinion 14b meshing with the turning ring gear 14a, and a support member 12 provided on the turning pinion 14b. And a hydraulic or electric turning motor 14c that rotationally drives the motor. Further, in both swirling rings 11, a soil discharge conveyor 4 for carrying out excavated soil is provided.

  A base end portion of a swing arm 21 is swingably supported on the arm support frame 15 via a support shaft 16 parallel to the shield axis O. The swing arm 21 is formed in a substantially arc shape along the swivel ring 11. Has been. The swing arm 21 extends from the support shaft 16 to the middle portion and is disposed between the pair of front and rear arm bodies 23A, 23B and the arm bodies 23A, 23B. A shift arm 24 having a gripping device 41 via a mechanism 31 and a shift movement mechanism 22 capable of moving the gripping device 41 along the shield axis O direction via the shift arm 24 are integrated with the swing arm 21. Is provided.

  The pair of front and rear arm bodies 23 </ b> A and 23 </ b> B have base ends connected via a support shaft 16 and free ends connected via a guide shaft 26 parallel to the shield axis O. In the shift arm 24, the slide hole 24a at the base end portion is slidably fitted to the support shaft 16, and the slide hole 24b at the intermediate portion is slidably fitted to the guide shaft 26. , 23B is supported so as to be movable in the shield axis O direction. As shown in FIGS. 2 and 3, the shift driving device 25 for moving the shift arm 24 includes a plurality of hydraulic or electric jacks (or cylinders), and the jack body 25a is supported by the arm body 23B at the rear. The output rod 25 b is connected to the shift arm 24, and the shift arm 24 and the shift driving device 25 constitute a shift moving mechanism 22.

  A swing drive device 27 that opens and closes and swings the swing arm 21 between a retracted position along the outer periphery of the swivel ring 11 and a use position where the swing end 21 is unfolded and protrudes toward the outer periphery of the swivel ring 11 is a straight line. The jack body 27a is composed of a hydraulic or electric jack (or cylinder) which is a driving device, and the jack body 27a is provided in the vicinity of the free end portion of the swing arm 21 in the retracted position on the swing frame 11 via an attachment member 27c. The output rod 27b is supported in a swingable manner and is connected to a connecting member 27d attached to the forearm body 23A at an intermediate position of the swing arm 21 via a connecting pin 27e.

  Accordingly, since the driving force of the swing drive device 27 is applied to the intermediate portion of the swing arm 21, for example, another structure in which the swing arm 21 is swung via the support shaft 16 by a gear device or a lever and a support by a linear drive device. Compared with other structures in which the swing arm 21 is swung via the shaft 16, it is possible to effectively cope with the high load of the segment S, and the swing angle of the swing ring 11 and the swing angle of the swing arm 21 ( It is possible to easily cope with load fluctuations corresponding to (tilt).

  As shown in FIGS. 4 and 5, a free end shaft 32 parallel to the shield axis O is rotatably supported on the free end portion of the shift arm 24, and a rolling frame is mounted on the rear projecting portion of the free end shaft 32. 33 is attached. The rolling frame 33 is formed in a fan shape having an arc side portion 33r and a central corner portion when viewed from the back, and the free end shaft 32 is fixed to the central corner portion. The rolling swing mechanism 31 includes the rolling frame 33 and a rolling drive device 34 that swings the rolling frame 33 about the free end shaft 32.

  The rolling drive device 34 includes an arcuate gear 35 attached along the inner surface of the arcuate side 33r of the rolling frame 33 and formed in an arcuate concave shape with the free end shaft 32 as the center, and the free end side of the shift arm 24. A rotary drive device 36 composed of a hydraulic or electric motor provided on the rotary shaft, and an intermediate shaft 37 parallel to the shield axis O rotatably supported between the rotary drive device 36 and the free end shaft 32; The drive gear 36a attached to the output shaft of the rotary drive device 36 and the intermediate gear 37a attached to the front portion of the intermediate shaft 37 mesh with each other, and the pinion 37b attached to the rear portion of the intermediate shaft 37 And the arcuate gear 35 are configured to mesh with each other. Accordingly, the rolling frame 33 can swing around the free end shaft 32 through the drive gear 36 a, the intermediate gear 37 a, the intermediate shaft 37, the pinion 37 b and the arcuate gear 35 by the rotation drive device 36.

  Further, in the rolling drive device 34, the rotational speed of the rotary drive device 37 is reduced and the drive torque of the rolling frame 33 is increased by the gear ratios of the drive gear 36a, the intermediate gear 37a, the pinion 37b, and the arcuate gear 35. The speed reduction mechanism is configured to allow the rolling frame 33 to be swung with a large torque by the driving force of the rotary drive device 37 by this speed reduction mechanism, and the rolling frame 33 is swung with high precision by the gear mechanism. be able to. Further, as shown in FIG. 3, the rolling frame 33 is swung through the intermediate shaft 37 around the free end shaft 32 in a wide range of ± θ ° with respect to the normal line of the swiveling ring 11 in the retracted position. And the range of the posture control of the segment S is secured widely.

  In the segment S of the tunnel arc side (Sk3, Sa4, Sa5, Sk8 described later), near the center (center of gravity) position on the inner surface, and in the segment S (Sb1, Sb2, Sb6, Sb7 described later) of the tunnel corner radius part Brackets Sb protrude from the center of gravity of the inner surface having a large bending radius. The gripping device 41 provided on the rolling frame 33 includes a segment support portion 43 that supports the segment S through suspension pins 42 extending in the direction of the shield axis O on the bracket Sb, and a segment S that is suspended. A posture adjusting device 44 that can finely adjust and fix the posture.

  As shown in FIGS. 4 and 6, the segment support portion 43 has a lower surface opened by a plurality of reinforcing plates 43a between the front and rear frame plates 33a at a position corresponding to the rear of the connecting portion of the free end shaft 32. The mounting chamber 43b is formed, and pin holes 43c and 43c are formed in the frame plate 33a and the reinforcing member before and after the mounting chamber 43b so that the suspension pin 42 can be inserted and removed in the direction of the shield axis O, respectively. Accordingly, the segment S is suspended from the segment support portion 43 by inserting the bracket Sb into the mounting chamber 43b, matching the pin holes 43c, 43c with the pin holes of the bracket Sb, and inserting the suspension pins 42. Can be held.

  The posture adjusting device 44 is provided with swing pins 45 parallel to the shield axis O on the left and right sides of the segment support portion 43 between the front and rear frame plates 33a of the rolling frame 33. Each of the swing pins 45 is swingably supported. A pressurizing member 46 a that is in contact with the inner surface of the held segment S from a substantially right angle direction is attached to the lower acting portion of the pressurizing lever 46. Further, an adjustment drive device 47 made of a hydraulic or electric jack (or cylinder) is provided above the swing pin 46 between the front and rear frame plates 33 a of the rolling frame 33. The jack bodies are swingably supported, and the output rod is connected to the upper portion of the pressure lever 46 via a pin.

  Accordingly, the left and right adjustment driving devices 47 can be advanced to swing the pressure lever 46 downward, and the pressure member 46a can be brought into contact with the inner surface of the segment S to fix the segment S. Further, by adjusting the amount of expansion / contraction of the left and right adjustment driving devices 47, the segment S can be swung around the pin hole of the bracket Sb to finely adjust the posture of the segment S.

Next, a method for assembling the segment S will be described with reference to FIGS.
As shown in FIG. 15, the segment S for covering the inner surface of the tunnel having a substantially oval cross section composed of the arc side portion and the corner round portion includes the segments Sb1 and Sb2 of the right and left lower round corner portions and the segment Sk8 of the upper and lower arc side portions. , Sk3, left and right arc side segments Sa5 and Sa4, and right and left upper corner rounded segment Sb7 and Sb6.

  1) As shown in FIG. 7A and FIG. 8, the segment loading device 51 causes the segment Sb1 of the lower left corner radius portion to have an inner surface facing upward and an arcuate end surface (Ss to be described later) along the circumferential direction. Carried in (b). Then, the segment Sb1 is held by the left erector device 3 in the direction of excavation. At this time, the swing angle of the swing arm 21 is γ1, and the swing angle of the rolling swing mechanism 31 is + θ1. The posture of the segment Sb1 is sequentially changed as shown in (b) to (e) by the turning movement of the turning ring 11, the opening / closing swing of the swing arm 21, and the swing of the rolling swing mechanism 31. It conveys to an assembly position, and as shown in FIG.7 (b), it positions to the assembly position (f) of a lower left corner round part. At this time, the swing angle of the swing arm 21 is 0 °, and the swing angle of the rolling swing mechanism 31 is −θ2. Then, the segment Sb1 is assembled to the existing segment Sb1.

  2) As shown in FIG. 9, the segment Sb2 in the lower right rounded portion carried by the segment carry-in device 51 is held in the posture (A) by the right-side erector device 3 toward the excavation direction, and the swiveling ring 11 is swung. By moving, swinging the swing arm 21 and swinging the rolling swing mechanism 31, the posture of the segment Sb2 is sequentially controlled and transported as shown in (b) to (c). As shown in FIG. 4A, the assembly is positioned at the assembly position of the lower right corner rounded portion and assembled to the existing segment Sb2.

  3) As shown in FIG. 10, the lower arc side segment Sk3 carried in by the segment carrying-in device 51 is received by the left erector device 3 in the posture (A), and the swiveling movement of the swiveling ring 11 and the swing arm 21 are received. As shown in (b), the sheet is conveyed by being controlled by the opening / closing swing of the roll and the swing of the rolling swing mechanism 31, and positioned and assembled at the assembly position of the lower arc side as shown in the position (c).

  4) As shown in FIG. 11, the segment Sa4 of the right arc side part carried in by the segment carry-in device 51 is received by the right erector device 3 in the posture (A), the turning movement of the turning ring 11 and the swing arm 21 (2) to (6) by controlling the posture by opening / closing swinging and swinging of the rolling swing mechanism 31, and then transporting to the assembly position of the right arc side as shown by the posture (H). Position and assemble.

  5) As shown in FIG. 12, the segment Sa5 on the left arc side carried in by the segment carry-in device 51 is received by the left erector device 3 in the posture (A), and the swiveling movement of the swiveling ring 11 and the swing arm 21 are received. (B) to (f) to control the posture by opening and closing swinging and the rolling swing mechanism 31 to move to the assembly position of the left arc side as shown by the posture (g). Position and assemble.

  6) As shown in FIG. 13, the segment Sb6 at the upper right corner rounded portion carried by the segment carry-in device 51 is received by the right erector device 3 in the posture (A), and the swiveling movement of the swivel ring 11 and the swing arm 21 are received. (B) to (f) to control the posture by the opening / closing swing and the swing of the rolling swing mechanism 31, and then to the assembly position of the upper right corner rounded portion as shown by the posture (g). Position and assemble.

  7) As shown in FIG. 14, the segment Sb7 of the upper left corner rounded portion carried by the segment carry-in device 51 is received by the left erector device 3 in the posture (A), and the swiveling movement of the swiveling ring 11 and the swing arm 21 are received. (B) to (f) to control the posture by swinging the open / close swing and the rolling swing mechanism 31, and then to the assembly position of the upper left corner radius portion as shown by the posture (g). Position and assemble.

  8) As shown in FIG. 15, the upper arc side segment Sk8 carried in by the segment carrying-in device 51 is received in the right erector device 3 in the posture (A), and the swiveling movement of the swiveling ring 11 and the swing arm 21 are received. Is moved by controlling the posture from (b) to (g) by swinging the opening / closing rocking and swinging of the rolling rocking mechanism 31, and positioned and assembled at the assembly position of the upper arc side as shown in posture (h). .

  As described above, the skin plate 1a, the soil removal conveyor 4 and the adjacent ones are disposed in the rear portion of the shield body 1 by the swing movement of the swing ring 11, the swing swing of the swing arm 21, and the swing swing mechanism 31. The segment S can be smoothly transported, positioned and assembled without interfering with the erector device 3.

  According to the first embodiment, the transport distance to the assembly position of the corner portion is long, such as a tunnel with a high flatness such as an oval, an ellipse, an oval, a glasses, or a rectangular or rectangular cross section. Even in the tunnel, the revolving movement of the revolving ring 11 and the swing arm 21 opening and closing can sufficiently secure the transport stroke of the segment S held by the gripping device 41, and the assembly position of the inner surface of the tunnel Can be positioned with high accuracy. Further, since the gripping device 41 is provided at the free end portion of the swing arm 21 via the rolling swing mechanism 31, the position of the segment S held by the gripping device 41 can be arbitrarily controlled in a wide angle range, and the shield excavation can be performed. The segment S can be smoothly transported to all assembly positions on the inner surface of the tunnel without interfering with other equipment in the narrow space at the rear of the machine, and the segment S can be assembled safely and efficiently.

  Further, the rolling frame 33 provided at the free end portion of the swing arm 21 is swung by a rolling swing mechanism 31 having a speed reduction mechanism including a drive gear 36a, an intermediate gear 37a, a pinion 37b, and an arcuate gear 35. Since it comprised, the segment S hold | maintained at the holding | grip apparatus 41 can be rock | fluctuated by a high torque with a wide angle range, and the attitude | position control of the segment S can be carried out with high precision.

  Further, since the driving force of the swing drive device 27 is applied to the intermediate portion of the swing arm 21, the high load of the segment S can be effectively supported, and the swing angle of the swing ring 11 and the swing arm Thus, it is possible to easily cope with the load fluctuation that occurs in response to the inclination 21 and the segment S held by the gripping device 41 can be positioned with high accuracy.

  Furthermore, the swing arm 21 includes a pair of front and rear arm bodies 23A and 23B, and a shift arm 24 that is slidably guided between the arm bodies 23A and 23B via a support shaft 16 and a guide shaft 26. Since the shift movement mechanism 22 including the shift arm 24 and the shift drive device 25 that slides the shift arm 24 is provided integrally with the swing arm 21, the erector apparatus 3 can be reduced in size and space. .

As shown in FIG. 16, when the corner segment SC is assembled among the segments of the tunnel having a rectangular cross section using the erector apparatus 3 having the above-described configuration, the assembly of the segment SC is similarly changed. It can be smoothly transported to a position and positioned for easy assembly.
[Embodiment 2]
Next, a second embodiment of the erector apparatus for a shield machine according to the present invention will be described with reference to FIGS. 17 and 18. The same members as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.

A pair of left and right erector devices 61 having a symmetrical structure are provided at the rear of the shield body 1, and only one of them will be described.
The erector device 61 includes a swiveling ring 11 provided at the rear portion of the shield body 1 so as to be able to swivel around a swiveling axis O ′ parallel to the shield axis O, and an arm support cylinder protruding rearward from the swiveling ring 11. 67, a slide cylinder 62 externally fitted to the arm support cylinder 67 so as to be slidable in the direction of the shield axis O, and a base end swinging around a support axis 72 parallel to the shield axis O of the slide cylinder 62 A swing arm 63 that is freely supported, a rolling arm 65 provided on a free end portion of the swing arm 63 via a rolling swing mechanism 64, and a yawing rotation mechanism 66 on a free end portion of the rolling arm 65. And a gripping device 41.

  The swivel ring 11 is provided with a shift movement mechanism 71 for sliding the gripping device 41 in the direction of the shield axis O. The shift movement mechanism 71 is a slide cylinder 62 and a hydraulic type for sliding the slide cylinder 62. Alternatively, it is composed of an electric jack (or cylinder), the jack body 71 a is attached to a predetermined position on the outer periphery of the slide cylinder 62, and the output rod 71 b is connected to the turning ring 11.

  The swing arm 63 is formed in a substantially ¼ arc shape along the outer periphery of the slide cylinder 62, and a support shaft 72 whose base end is parallel to the shield axis O is attached to a bracket 73 attached to the slide cylinder 62. It is supported so that it can swing freely. The swing drive device 74 that opens and closes the swing arm 63 includes a hydraulic or electric jack (or cylinder) that is a linear drive device, and a swing lever 63 a that protrudes from the base end side of the swing arm 63. Thus, the jack body 74a is supported from the bracket 73 of the slide cylinder 62 to the anti-swing arm 63 side via an attachment member 74c, and its output rod 74b is connected to the tip of the swing lever 63a via a pin.

  A short rolling arm 65 is supported at a free end of the swing arm 63 via a free end support shaft 75 parallel to the shield axis O, and the rolling arm 65 is swung by a rolling drive device 76. The This rolling drive device 76 is rotationally driven by a passive gear 76a attached to the free end support shaft 75, a hydraulic or electric rolling motor 76c provided at the free end of the swing arm 63, and a rolling motor 76c. The drive pinion 76b meshes with the passive gear 76a.

The yawing rotation mechanism 66 is supported on the free end side of the rolling arm 65 so that the yawing frame 77 can pivot about the yawing axis Oy orthogonal to the rolling arm 63 in a plane orthogonal to the shield axis O via a bearing. A yawing drive device 78 for driving the yawing frame 77 to turn is provided. The yawing drive device 78 is passively driven by being driven by a passive gear 78a provided on the outer periphery of the yawing frame 77, a hydraulic or electric yawing motor 78c provided on the rolling arm 63, and the yawing motor 78c. The drive pinion 78b meshes with the gear 78a.

  Although not shown in detail in the yawing frame 77, as in the first embodiment, a gripping device 41 having a segment support portion 43 that supports the segment S through suspension pins 42 and an attitude adjustment device 44. Is provided.

Here, the carrying-in posture in the tunnel of the segment S in the first and second embodiments will be described.
As indicated by phantom lines in FIG. 18, these segments S are placed on the segment cart SC, are loaded from behind the tunnel, and are delivered to the erector apparatus 3 via the segment loading apparatus 51. Since the segments S are rectangular in the assembly posture and are long in the circumferential direction and short in the direction of the shield axis O, these segments S have an arcuate end surface Ss with an inner surface facing upward and a long side in the circumferential direction on the shield axis O. It is placed on the segment cart SC in a posture along which it is carried. In the first embodiment, the segment S is turned 90 ° around the vertical axis by the turning mechanism (not shown) provided in the segment carrying-in device 51 so that the arcuate end surface Ss is along the circumferential direction. It is delivered to the gripping device 41 of the device 3.

  However, in the second embodiment, the segment S on the segment carriage SC is transferred to the gripping device 41 of the erector device 61 while the arcuate end surface Ss is in a posture along the shield axis O, and the segment S held by the gripping device 41 is transferred. Is rotated 90 ° by the yawing rotation mechanism 66, and the segment S can be conveyed to the assembly position with the arcuate end surface Ss as an assembly posture along the circumferential direction.

  In the above configuration, the segment S is loaded onto the segment carriage SC from the rear of the tunnel in a posture where the inner surface is upward and the arcuate end surface Ss is along the shield axis O, and is passed through the segment loading device 51 as it is. It is delivered to the erector device 61. In the elector device 61, the segment S is held by the gripping device 41, and the segment S is turned 90 ° around the yawing axis Oy by the yawing rotation mechanism 66 to obtain an assembly posture, and then the turning ring 11 is turned by the turning drive device 14. The swing arm 63 is opened and closed by the swing drive device 74, and the segment S is conveyed to the assembly position. Then, the posture of the segment is adjusted by the rolling drive device 76, the slide cylinder 62 is moved by the shift moving mechanism 71, and the inclination angle of the segment S is finely adjusted by the posture adjusting device 44 and positioned at the assembly position.

  According to the above configuration, even in a tunnel having a cross-section such as an oval shape with a high flatness, the segment S held by the gripping device 41 is turned into the inner surface of the tunnel by turning the turning ring 11 and swinging the swing arm 63. Can be accurately positioned at the assembly position. Further, since the gripping device 41 is provided at the free end portion of the rolling arm 65 via the yawing rotation mechanism 66, the segment S carried by the segment carriage and SC is gripped from the segment carry-in device 51 by the posture as it is. It can be supplied to the device 41 and turned 90 ° to the assembly posture, and the turning mechanism for turning the segment S 90 ° in the segment loading device 51 becomes unnecessary.

BRIEF DESCRIPTION OF THE DRAWINGS It is a rear view which shows Embodiment 1 of the elector apparatus of the shield machine which concerns on this invention, (a) shows the whole, (b) shows the left half. It is a longitudinal cross-sectional view of an erector apparatus. It is an expanded rear view of an erector apparatus. It is a longitudinal cross-sectional view which shows the rolling rocking | fluctuation mechanism and segment holding | grip apparatus of an elector apparatus. It is II sectional drawing shown in FIG. It is II-II sectional drawing shown in FIG. It is a rear view of the erector apparatus which shows the assembly operation | movement of the segment of the lower left corner round part, (a) shows the attitude | position of the delivery position from a segment carrying-in apparatus, (b) shows the attitude | position of an assembly position. It is a schematic back view which shows the conveyance attitude | position from the delivery position of the segment of the lower left corner | angular part by an erector apparatus to an assembly position. It is a schematic back view which shows the conveyance attitude | position from the delivery position of the segment of the lower right corner radius part by an erector apparatus to an assembly position. It is a rear view which shows the conveyance attitude | position from the delivery position of the segment of a lower arc side part by an erector apparatus to an assembly position. It is a schematic back view which shows the conveyance attitude | position from the delivery position of the segment of the right arc side part by an erector apparatus to an assembly position. It is a schematic back view which shows the conveyance attitude | position from the delivery position of the segment of the left arc side part by an erector apparatus to an assembly position. It is a rear view which shows the conveyance attitude | position from the delivery position of the segment of the upper right corner radius part by an erector apparatus to an assembly position. It is a schematic back view which shows the conveyance attitude | position from the delivery position to the assembly position of the segment of the upper left corner radius part by an erector apparatus. It is a rear view which shows the conveyance attitude | position from the delivery position of the segment of the upper arc side part by an erector apparatus to an assembly position. It is a rear view which shows the assembly operation | movement of the segment of the rectangular cross section tunnel of an elector apparatus, (a) shows the attitude | position of the delivery position by a segment carrying-in apparatus, (b) shows the attitude | position of an assembly position. Embodiment 2 of the erector apparatus of the shield machine according to the present invention is shown, (a) is an enlarged half rear view of the shield body, and (b) is an enlarged view of part III shown in (a). It is a rear view of an erector apparatus.

Explanation of symbols

O Shield axis O 'Rotating axis Oy Yawing axis S Segment Sb Bracket 1 Shield body 3 Elector device 11 Rotating ring 13 Rotating roller 14 Rotating drive device 15 Arm support frame 16 Support shaft 21 Swing arm 22 Shift moving mechanism 23A, 23B Arm body 24 Shift arms 24a, 24b Slide hole 25 Shift drive device 26 Guide shaft 27 Swing drive device (linear drive device)
31 Rolling oscillating mechanism 32 Free end shaft 33 Rolling frame 33r Arc side portion 34 Rolling drive device 35 Arc gear 36 Rotation drive device 36a Drive gear 37 Intermediate shaft 37a Intermediate gear 37b Pinion 38 Reducer 41 Grip device 42 Suspension pin 43 Segment support portion 44 Attitude adjustment device 45 Swing pin 46 Pressure lever 46a Pressure member 47 Adjustment drive device 61 Elector device 62 Slide cylinder 63 Swing arm 63a Swing lever 64 Rolling rocking mechanism 65 Rolling arm 66 Yawing rotation mechanism 67 Arm Support cylinder 71 Shift moving mechanism 72 Support shaft 74 Swing drive device (linear drive device)
75 Free end support shaft 76 Rolling drive device 78 Yawing drive device

Claims (3)

A swivel ring that is provided at the rear of the shield machine so as to be pivotable around an axis parallel to the shield axis, and a base end of the swivel ring is swingable about a support shaft that is parallel to the shield axis. A swing arm that is supported, a swing drive that swings the swing arm between a retracted position along the swivel ring and a use position that is deployed on the outer peripheral side, and a shield axis at the free end of the swing arm. A gripping device that is provided via a rolling rocking mechanism that can rock around a parallel axis and can hold a segment;
The rolling swing mechanism includes a rolling frame having a gripping device supported on a free end portion of a swing arm so as to be swingable around a free end axis parallel to the shield axis, and the rolling frame around the free end axis. And a rolling drive device that swings
The rolling drive device includes an arcuate gear attached to the outer periphery of the rolling frame around the free end axis, a pinion provided at the free end of a swing arm and meshing with the arcuate gear, and the pinion is driven to rotate. An erector apparatus for a shield machine, comprising: Claim for the swing drive system, and the predetermined portion of the revolving ring which corresponds to the free end portion of the swing arm of the storage position, characterized in that it is constituted by a linear drive device coupled between the intermediate portion of the swing arm 1 The erector apparatus of the shield machine described. The swing arm is slidable on the support shaft and the guide shaft between the arm body and at least a pair of arm bodies provided across the support shaft at the base end portion and the guide shaft parallel to the support shaft at the intermediate portion. And a shift arm having a gripping device on the free end side.
Said shift arm, provided on the swing arm becomes the shift arm from the shift driving device for sliding along the support shaft and the guide shaft, the provision of the movable shift movement mechanism the gripping device to the shield axial direction An erector apparatus for a shield machine according to claim 1 or 2 .

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