JPH1046992A - Automatic assembly device of reinforcing bar - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform the assembly and the arrangement of reinforcing bars in different places automatically so as to save labor and improve the efficiency of the works by binding an arclike main bar and a linear arrangement bar in a tunnel into a lattice shape by an automatic binding machine and transferring them by a block reinforcing bar feed mechanism. SOLUTION: A segment A is assembled like a ring on an inner wall face of a tunnel. A crossing point of an arclike main bar C and a linear arrangement bar D is bound by an automatic binding machine 12 to assemble a meshlike block reinforcing bar E automatically. The block reinforcing bar E which is assembled automatically is fed by a block reinforcing bar feed mechanism 12d, is turned by a turn device 14, moves, and is arranged in the inside of the segment A of the tunnel automatically. Consequently, it is possible to perform the assembly and arrangement works of the reinforcing bar E in the tunnel efficiently by performing carry-in and supply of the main bar C and the arrangement bar D and the assembly and installation of the block reinforcing bar E which binds them as a series of processes.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic rebar assembling apparatus, and more particularly to an automatic rebar assembling apparatus for tunnel construction.

[0002]

2. Description of the Related Art As is well known, when a tunnel is constructed by a shield method, a segment is annularly assembled on the inner surface of a tunnel excavated by a shield machine and a reinforcing bar is annularly arranged inside the assembled segment. Then, secondary lining for placing concrete is performed. In this case, assembling and arranging the reinforcing bars were performed manually. However, assembling and arranging rebars manually is not only complicated and heavy work, but also involves work at high places in a narrow place with poor scaffolding.

For example, Japanese Patent Application Laid-Open No. 7-347946 describes
Japanese Patent Application Publication No. JP-A-2006-13312 proposes a reinforcing-bar assembly and reinforcing-arrangement device that improves such working conditions. The device disclosed in this publication includes a guide beam that extends in the tunnel axis direction and is supported on the tunnel shaft center portion by a leg, a movable gantry movably fitted around the guide beam, and a movable trolley. A circular guide ring mounted on the outer periphery of both ends, a revolving frame rotatably mounted along the outer periphery of both guide rings,
A plurality of arc-shaped force gauges that are provided on the inner wall surface of the tunnel so as to be able to advance and retreat, and are arranged between the force gauges, and are provided so as to be able to advance and retreat to the reinforcing bar support of the force gauge. And a main bar gauge for supporting the main bar at a required position.

According to the reinforcing bar assembling / arranging device configured as described above, the reinforcing bar can be assembled on the gauge of the movable gantry, and the assembled mesh-shaped reinforcing bar block is moved to the inner wall surface of the tunnel. Therefore, it is not necessary to perform the assembly and reinforcement of the mesh-shaped rebar all by human power, so that the work can be facilitated, the labor can be reduced, and labor can be saved. However, such a conventional rebar assembling and arranging apparatus has a technical provisional subject described below.

[0005]

That is, in the rebar assembling / arranging apparatus disclosed in the above-mentioned publication, the binding work between the main reinforcing bars and the distributing bars assembled in a lattice is still performed manually, Since the tied block reinforcing bar is attached to the tunnel wall at that location, the assembling work of the reinforcing bar and the arranging work of the reinforcing bar are complicated, and the effects of labor saving and improvement of work efficiency are not sufficiently exhibited.

The present invention has been made in view of such a conventional problem, and a first object of the present invention is to provide an automatic rebar assembling apparatus capable of automatically assembling a grid-shaped block rebar. Is to provide. Further, as a second object, an automatic rebar assembling apparatus capable of achieving sufficient labor saving and efficiency by performing assembly and rebar arrangement in different places and automating these operations. Is to provide.

[0007]

In order to achieve the above object, the present invention provides a plurality of arc-shaped main reinforcing bars arranged in a circumferential direction of a tunnel, and a plurality of distribution lines arranged in an axial direction of the tunnel. A reinforcing bar automatic assembling device for fabricating mesh-shaped block reinforcing bars by assembling reinforcing bars in a lattice shape and binding intersections of the main reinforcing bars and the distribution bars, wherein the reinforcing bars are arranged along the axial direction of the tunnel. A bogie that moves along the tunnel axis direction by driving a driving wheel, and a blocking device disposed on the bogie, wherein the blocking device includes the main reinforcements and the wiring arranged in the lattice shape. An assembling portion that supports the muscular strength, a portal movable truck that moves in the tunnel axis direction above the assembled portion, and that can move up and down, and is attached to the portal movable truck, Moving up and down with the intersection of And automatic binding machine, and composed of a block rebar sending mechanism for sending the block reinforcing bar to the outside. According to this configuration, an assembling section in which the blocking device supports the main muscles and the distributing muscles, which are assembled in a lattice shape, Since it has a plurality of automatic tying machines attached to the portal-type movable trolley and moving up and down in the direction of the intersection of the main muscle and the force distribution muscles, the reinforcing bars ( The intersections of the main bars and the distribution bars can be bound by an automatic binding machine to automatically assemble the block rebar. Further, the automatic assembling apparatus of the present invention has the block reinforcing bar sending-out mechanism for sending out the assembled block reinforcing bars to the outside, so that the arrangement of the reinforcing bars and the assembling of the block reinforcing bars can be performed at different places. In the automatic assembling apparatus, a turning device is provided in which the block rebar sending mechanism is disposed on the side where the block rebar is sent out, and the turning device is capable of receiving the block rebar from the block rebar sending mechanism and being detachable. A frame having a chuck for gripping, a turning mechanism for supporting the frame and turning the same along the circumferential direction of the tunnel, and a block supported by the frame, wherein the block rebar is stopped when the turning mechanism is stopped. Toward the inside of the tunnel,
It can be configured with a telescopic lift mechanism that presses. According to this configuration, the assembled block rebar is
It is sent out to the turning device side by the block rebar sending mechanism of the blocking device, gripped by the chuck of the turning device, turned to the required position by the turning ring, and automatically installed on the inner surface of the tunnel by the lift mechanism. it can. The assembling portion is disposed opposite to each other at a predetermined interval along the axial direction of the tunnel, is curved into an arc shape substantially the same as the arc of the main muscle, and supports a pair of force distribution muscles in a vertically movable manner. Distributing muscle gauge, and the main muscle disposed below the distributing muscle gauge, extending along the axial direction of the tunnel so as to be orthogonal to the distributing muscle gauge, and mounted on the distributing muscle. A pair of main muscle gauges, which are opposed to each other and support the opposite end sides of the main muscle gauges, and are arranged on the front side in the tunnel axial direction of the force distribution muscle gauges so as to be rotatable along the force distribution muscle gauges; And a pair of vertically movable distributing muscles that supply the required number of divided muscles to the distributing muscles in a plurality of times while holding the distributing muscles. According to this configuration, when the required number of power distribution muscles are supported by the power distribution muscle gauge, the power distribution muscle distribution gauge can be rotated and distributed in a plurality of times. The gate-type movable cart has a plurality of legs that run on guide rails provided at both ends in the width direction of the cart, and a pair of inverted U-shaped beams bridged between the legs. A holding mechanism that is arranged and supported on one of the beams and detachably holds the main muscle, and a plurality of the automatic binding machines can be provided on the other of the beams along the circumferential direction of the tunnel. According to this configuration, the plurality of main bars can be held by the holding mechanism and held by the main bar gauge of the assembly unit, and the plurality of intersections can be bound at once by the automatic binding machine. In this case, if the leg is moved along the guide rail, the intersection at the tunnel axial direction can be bound. The rebar automatic assembling device having the above-described configuration is arranged on the opposite side of the turning device with the blocking device interposed therebetween, and a plurality of power distribution bar supply devices that automatically supply the power distribution bars and a plurality of the main rebars are arranged in parallel. In addition, the main rebar cassettes stacked in multiple stages can be provided on the carriage. With this configuration, the distribution muscle and the main muscle can be automatically supplied to the assembly unit of the blocking device. In the rebar automatic assembling apparatus having the above-described configuration, the main reinforcing bar cassette is disposed on the rear side of the main reinforcing bar cassette, and the main reinforcing rod cassette is transported to the distributing bar supplying device and the main reinforcing bar cassette is loaded onto the bogie. A beam carriage can be provided. According to this configuration, the loading and supply of the main reinforcing bars and the distribution bars, and the assembly and installation (installation on the tunnel wall surface) of the block reinforcing bars that bind them can be performed as a series of steps.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIGS. 1 to 31 show an embodiment of an automatic rebar assembling apparatus according to the present invention. The automatic rebar assembling device shown in FIG.
The figure shows a case where the present invention is applied to a case where the present invention is applied to a case where a tunnel is constructed by a shield method, in which a system from loading of reinforcing bars to arrangement of reinforcing bars is performed in a series of steps. When constructing a tunnel by this kind of construction method, the segment 10 is assembled in an annular shape on the inner wall surface of the excavated tunnel.

Then, an annular reinforcing bar B is arranged inside the portion where the segment A is assembled, concrete is cast, and a secondary lining is performed. The assembling apparatus of the present invention is used for arranging the annular reinforcing bar B. The reinforcing bar B is composed of a main reinforcing bar C arranged along the circumferential direction of the tunnel and a linear force-distributing bar D arranged along the axial direction of the tunnel.

In this embodiment, the main bar C is divided into a plurality on the circumference and formed in an arc shape. Further, in this embodiment, a plurality of arc-shaped main bars C are arranged in parallel along the tunnel axis direction at predetermined intervals, and in this state, a plurality of arc-shaped main bars C are arranged so as to be orthogonal to each main bar C. Muscle D
Are arranged in parallel along the circumferential direction of the tunnel at predetermined intervals, and the intersections of the main muscles C and the force distribution muscles D are bundled to produce a mesh-shaped blocked reinforcing bar E.

When arranging the reinforcing bars A, a plurality of blocked reinforcing bars E are arranged on the inner peripheral side of the segment A, and each of the main reinforcing bars C
Are formed in a ring shape by polymerizing and connecting the ends. The automatic rebar assembling apparatus of the present invention automatically assembles such blocked rebar E, and includes a bogie 10.
, A turning device 14, a distribution muscle supply device 16, a main muscle cassette 18, and a beam truck 20.

Blocking device 12 and distribution muscle supply device 16
And the main bar cassette 18 are mounted on the carriage 10 in this order. The swivel device 14 is located on the opposite side of the power distribution device supply device 16 with the blocking device 12 interposed therebetween.
0 supported. The beam carriage 20 is installed adjacent to the main muscle cassette 18 side.

The bogie 10 includes a pair of main girders 10a extending in parallel along the axial direction of the tunnel.
A plurality of drive wheels 10b for running on the segment A are provided at a substantially central portion on the lower surface side of the wheel 0a.
Further, a plurality of pairs of driven wheels 10c are arranged on both ends of the main girder 10a in the axial direction. Drive and driven wheels 1
In the vicinity of 0b and 10c, a jack base 10d and a horizontal block king 10e for fixing the cart 10 to the inner wall surface of the segment A in a positioned state are arranged, respectively.

Further, guide rails 10f extending along the tunnel axis direction are laid on the main girder 10a so as to be located at both ends of the bogie 10 (in the direction of the tunnel cross section). FIG. 2 shows a detailed configuration of the jack base 10d and the horizontal blocking 10e. The jack base 10d shown in the figure includes a pair of telescopic jacks 100d vertically mounted in a pair of jack holders 10g fixed to both side surfaces of the main girder 10a, and a guide plate 101d attached to a plunger of the telescopic jack 100d. A mounting block 102d slidably fitted to the guide plate 101d, and a horizontal jack 103d disposed between the guide plate 101d and the mounting base 102d.
And a base 104d swingably supported at the lower end of the mounting block 102d, and the mounting block 102d and the base 1
The swing jack 105d is provided between the swing jack 105d and the swing jack 105d.

The guide plate 101d guides the mounting block 102d so as to be slidable in the cross-sectional direction of the tunnel. The lower surface of the base 104d has the same curved surface as the curvature of the segment A. Truck 10 is segment A
When fixing the upper portion, the telescopic jack 100d is moved downward, and the horizontal jack 103d and the swinging jack 105d are driven so that the lower surface of the base 104d contacts the inner surface of the segment A.

When the carriage 10 is moved along the tunnel axis, the jacks 100d, 103d, 105
d is driven to move the base 104d away from the segment A. In this embodiment, a pair of horizontal block kings 10e are provided, and one end is fixed to the outer side surface of the jack holder 10g and extends horizontally on the side surface of the tunnel. 1
Inner cylinder 101e slidably inserted into 00e
And a contact base 102e pivotally attached to the tip of the inner cylinder 101e so as to be swingable, and a jack 103e disposed between the outer cylinder 100e and the inner cylinder 101e.

When the truck 10 is fixed on the segment A, the jack 103e is extended in the horizontal direction so that the contact base 102e contacts the side surface of the segment A. The contact base 102e is separated from the side surface of the segment A. Blocking device 1
Details of No. 2 are shown in FIGS. The blocking device 12 shown in the figure includes an assembling portion 12a that supports a main muscle C and a distribution muscle D in a state of being arranged in a grid, and a vertically movable gate that moves above the assembling portion 12a. Type moving trolley 1
2b, automatic tying machine 12c, and block reinforcing bar delivery mechanism 1
2d and a gripping mechanism 12e.

FIGS. 4 to 7 show details of the assembling portion 12a. Assembling portion 12a shown in FIG. 1 includes a receiving mechanism 1 that receives a power distribution muscle D supplied from the power distribution muscle supplying device 16 side.
20a and main bar gauge 121 supporting both ends of main bar C
a, and a force distribution gauge 122a supporting both ends of the force distribution muscle D
And a distribution mechanism 124a for the force distribution muscle D.

The receiving mechanism 120a includes a frame 1200a whose center is located on the central axis in the longitudinal direction of the bogie 10 and extends along the tunnel axis direction, and plates 1201a which are erected on both sides of the frame 1200a. A plurality of rotatably supported driven rollers 1202a and a driving roller 1203a
And a drive motor 12 disposed on the lower surface of the frame 1200a.
04a and a plurality of jacks 1205a for vertically moving the frame 1200a.

The driven roller 1202a and the driving roller 120
3a are alternately arranged along the tunnel axis direction, and each roller 1202a, 1203a has
A plurality of concave grooves into which the distribution muscles D fit are provided along the tunnel cross-sectional direction. The main bar gauge 121a has a pair of gauge plates 1210 extending along the tunnel axis direction.
a and a plurality of jacks 1211a for vertically moving the gauge plate 1210a. The pair of gauge plates 1210a is connected to the frame 120 of the receiving mechanism 12a.
0a, and the upper end surface thereof has a main bar C
Are notched at predetermined intervals.

The distribution muscle gauge 122a is connected to the receiving mechanism 120.
a pair of gauge plates 1220a opposed to both ends of the frame 1200a in the longitudinal direction, and a guide 1221a fixed to the lower surface of each gauge plate 1220a;
The guide 1221a has a roller at its tip, and is provided at both ends of the guide 1221a.
A plurality of jacks 1222a for vertically moving 20a;
A rotary jack 1223a is disposed between the guide 1221a and the jack 1222a, and moves the guide 1221a in the cross-sectional direction of the tunnel.

The gauge plate 1220a and the guide 122
1a is formed in a curved shape having substantially the same curvature as the tunnel cross section, and supports both ends of the distribution muscle D in a concave portion provided at the upper end of the gauge plate 1220a so as to be vertically movable. The anti-droop mechanism 123a supports, from below, the force-distributing muscles D whose both ends are supported between the force-distributing muscle gauges 122a, and is composed of a pair of members arranged at equal intervals between the force-distributing muscle gauges 122a. ing.

Each of the anti-droop mechanisms 123a is provided with a guide 1230a which is curved to have substantially the same curvature as the gauge plate 1220a of the distribution muscle gauge 122a, and is movably accommodated in the guide 1230a in the plane direction, and is curved to have the same curvature as the guide 1230a. Three first to third plates 1231a-1
233a, a motor 1234a for moving the first plate 1231a rightward, a motor 1235a for moving the third plate 1233a leftward, and a guide 1230a.
And a plurality of jacks 1236a for vertically moving the jacks 1236a.

In this drip-stop mechanism 123a, the first plate 1232a is fixed to the center of the guide 1230a. The distribution mechanism 124a is provided on both outer front sides of the gauge plate 1220a of the distribution muscle gauge 122a, and is composed of a pair of the same configuration. Each distributing mechanism 124a includes a guide member 1240a having both ends supported by the cart 10, and a guide member 1240a.
, A drive motor 1242a having a pinion that meshes with the chain 1241a, and a frame 1243a that supports the drive motor 1242a.

A roller 1244a that rolls along the guide member 1240a is provided on the inner surface of the frame 1243a, and a jack 1245a that expands and contracts in the vertical direction is fixed to one side surface thereof. Jack 1245
A temporary receiving gauge 1246a is attached to the telescopic end of a. This temporary receiving gauge 1246 a
a, which is located on the front side of the gauge plate 1220a and has a length of about 1/3 of the gauge plate 1220a,
A concave portion is provided on the upper end surface for holding one third of the force distribution muscles D with respect to the total number of the force distribution muscles D supported by the gauge plate 1220a.

According to the distribution mechanism 124a configured as described above, when the drive motor 1242a is driven, the motor 1
The temporary receiving gauge 1246a moves along with the tunnel cross-section along with the tunnel 242a, and the jack 1245a
The temporary receiving gauge 1246a moves up and down by expanding and contracting. The operation when the distribution mechanism D is distributed by the distribution mechanism 124a will be described with reference to FIG.

When distributing the distribution muscles D, first, as shown in the center of the figure, the motor 1242a is driven to position the temporary receiving gauge 1246a on the tunnel axis, and the roller of the receiving mechanism 120a is rotated. The center axes of the rollers 1202a and 1203a are aligned with the center axes of the anti-droop mechanism 123a, and the jack 1205a is driven so that the rollers 1202a and 1203a are driven.
Adjustment is made so that 1203a is at the highest position and coincides with a roller 161a of a delivery section 16a of the distributing muscle supplying device 16 described later.

The temporary receiving gauge 1246 a
2a, lower than the position of 1203a.
It is adjusted by the jack 1245a so as to be higher than the gauge plate 1220a of 2a. In this state, when the plurality of muscles D are sent out from the muscle muscle supplying device 16 side, the muscles D
a, 1203a received by the drive motor 1204a
Is driven toward the turning device 14, and when it reaches a predetermined position, it hits a stopper and stops moving.

Next, by driving the jack 1245a, the temporary receiving gauge 1246a is moved upward, and the distribution muscle D is transferred from the rollers 1202a and 1203a to the temporary receiving gauge 1246a. When this transfer is performed, the rollers 1202a and 1203a move to the jack 1
The contraction of the temporary receiving gauge 1246
It is lowered to a height that does not hinder the movement of a.

When the lowering of the rollers 1202a and 1203a is completed, the temporary receiving gauge 1246a is turned rightward by the drive of the drive motor 1242a. The turning movement at this time rotates the motor 1242a arranged in front and back synchronously, and in conjunction with this turning movement, rotates the motor 1234a of the anti-droop mechanism 123a to move the first plate 1231a rightward. Let it.

When the temporary receiving gauge 1246a is turned to a predetermined position, the motors 1242a and 1234 are turned.
is stopped, and the jack 1245a of the temporary receiving gauge 1246a is driven, so that the temporary receiving gauge 124
6a is moved downward to receive the force-feeding muscle D temporarily.
Transfer from 46a to gauge plate 1220a. When the transfer is completed, the jack 1245a is driven to lower the temporary receiving gauge 1246a to a position that does not hinder the turning movement. Then, by driving the motor 1242a, the temporary receiving gauge 1246a is turned leftward to return to the original height position on the central axis. In this case, the motor 1234a of the anti-droop mechanism 123a is not rotated.

Next, the rollers 1202a and 1203a are returned to the original positions, and the force receiving muscles D are again received by the temporary receiving gauges 1246a. Thereafter, the force is turned to the left to move the force applying muscles D to the left end side of the gauge plate 1220a. , And the same operation is repeated to connect the force-distributing muscle D to the gauge plate 12.
The center part of 20a is received.

FIGS. 8 and 9 show the details of the portal-type movable cart 12b. The portal-type movable trolley 12b shown in FIG.
0 run on guide rails 10f laid at both ends in the width direction, and four legs 121b provided with rollers 120b that roll along the guide rails 10f.
And a pair of substantially inverted U-shaped beams 122b provided between the legs 121b located in the tunnel circumferential direction, and a pair of lower girder members fixed at both ends between the legs 121b located in the tunnel axial direction. 123b and a pair of upper girders 124b whose both ends are fixed between the upper portions of the beams 122b.

A drive motor 125b is mounted on the upper part of one end of the lower beam 123b.
The gate type movable cart 12b is configured to run along the guide rail 10f by rotating the 25b. A jack 1 for moving the beam 122b up and down is provided between each leg 121b and the beam 122b.
26b is installed.

Details of the automatic binding machine 12c are shown in FIGS.
Is shown in The automatic tying machine 12c shown in the figure has an arcuate mounting plate 1 provided in the vicinity of one beam 122b located on the swivel device 14 side of the gate-shaped movable carriage 12b.
27b are arranged in a row. Mounting plate 127b
Is extended in the cross-sectional direction of the tunnel.
b, a plurality of automatic tying machines 12c are attached at predetermined intervals.

The center axis of each automatic binding machine 12c is provided so as to point to the intersection of the main muscle C and the force distribution muscle D arranged in a lattice on the assembly portion 12a. Automatic binding machine 12c
Is roughly composed of a main body 120c, a bobbin 122c for winding the binding wire 121c, and a vertical movement mechanism 123c of the main body 120c.

As shown in detail in FIG. 12, the main body 120c is housed in a case, and is driven to rotate by sandwiching the binding wire 121c, thereby sending the binding wire 121c forward and a binding roller 1200c. 121c, a rotating member 1202c that locks the tip of the binding wire 121c sent from the sending roller 1200a and rotates, and an arc-shaped openable / closable surrounding guide 120.
3c, a hook 1204c, and a rotation drive motor 1205c for the hook 1204c.

The bobbin 122c is provided behind the main body 120c. The vertical movement mechanism 123c includes a main body 120c and a bobbin 122, as shown in detail in FIG.
c, a support rod 1231c having one end fixed to the side surface of the support plate 1230c, and a cylinder 1232c having a distal end of a plunger that expands and contracts at the other end of the guide rod 1231c.
And

When the cylinder 1232c is driven, the main body 1
20c moves along the guide rod 1231c.
FIG. 13 shows the binding principle of the automatic binding machine 12c configured as described above. Automatic binding machine 1 based on FIG.
The binding of the reinforcing bar by 2c will be described. Binding machine 12c
Is driven, and the binding wire 121 is driven by the delivery roller 1200c.
c, the tip of the binding wire 121c is
02c and is locked.

When the binding wire 121c is further fed in this state, the rotating member 1202c rotates with the sending of the binding wire 121, and the feeding of the binding wire 121c is further continued, as shown in FIG. As shown,
A substantially U-shaped portion is formed on the distal end side of the binding wire 121c. Then, when the binding wire 121c is further sent out, the U-shaped portion reaches the surrounding guide 1203c, and extends from one end to the other end along the inner surface of the surrounding guide 1203c.

At this time, if a reinforcing bar to be bound is inserted into the surrounding guide 1203c, the U of the binding wire 123c is reduced.
As shown in FIGS. 13 (g) and (h), the character-shaped portion reaches the tip of the hook 1204c so as to go around the outer periphery of the reinforcing bar. In such a state, the cutting cutter 1
By driving 201c, the binding wire 121c is cut. In this case, the U-shaped part of the binding wire 121c is the hook 1204c.
Can be determined by, for example, detecting the sending amount of the binding wire 121c.

When the binding wire 121c is cut, the hook 1
By rotating the motor 204c by the motor 1205c, the reinforcing bars are bound as shown in FIG. In addition,
The automatic binding machine 12c employed in the present embodiment is disclosed in
No. 69321. Also,
The binding principle shown in FIG. 13 shows a case in which two reinforcing bars are bound in a state of being arranged in parallel. However, when binding intersecting reinforcing bars, the intersection may be sandwiched between surrounding guides 1203c. Crossing rebars can be bound by the same binding principle.

An upper girder member 124b of the gate-shaped movable carriage 12b is provided with a gripping mechanism 12e for the main muscle C (see FIG. 8). The gripping mechanism 12e includes a pair of upper beam members 124b.
It is composed of a pair of the same configuration arranged facing each other,
A plurality of chucks 120e arranged in line at a predetermined interval along the tunnel axis direction, a support plate 121e of the chuck 120e, a cylinder 122e for supporting the support plate 121e in a vertically movable manner, and a cylinder 122
e, and guides 123e provided on both sides thereof.

Each of the chucks 120e is opened and closed by a cylinder (not shown).
The main bars C placed on the main bar 8 are detachably held, and the arrangement intervals of the chucks 120e match the mounting intervals of the main bars C on the main bar cassette 18, and
The number may be, for example, equal to the number of main bars C used for one block reinforcing bar E, or may be a number obtained by dividing the main bar C to be used into a plurality.

The block reinforcing bar sending mechanism 12d sends the block reinforcing bar B manufactured by binding the intersections of the main bars C and the force bars D assembled in a lattice to the turning device 14 side. 4 and 14 show the main part. In the delivery mechanism 12d shown in the figure, a gauge plate 120d that supports both ends of the main reinforcement C of the block reinforcing bar E, a plurality of guide rollers 121d provided on the lower surface side of the gauge plate 120d, and the guide roller 121d are fitted. The vehicle includes a guide rail 122d, a plurality of jacks 123d for supporting the guide rail 122d so as to be vertically movable, and a motor 124d for driving the guide roller 121d.

The sending mechanism 12d includes a blocking device 12
And the turning device 14, the jack 12
The extension rail 12 that allows the fitting of the guide roller 121d in correspondence with the position of the guide rail 122d when the 3d is driven to move up with the gauge plate 120d.
5d is provided. The extension rail 125d is provided as a pair so as to face the turning device 14 side. The motor indicated by reference numeral 126d in FIG. 14 is a motor that drives the guide roller 121d on the extension rail 125d side.

The gauge plate 120d is a main muscle gauge 1
A pair is arranged outside the gauge plate 1210a so as to be parallel to the gauge plate 1210a.
The gauge plate 120d holds the gauge plate 1 until the main muscle C and the force distribution muscle D are assembled and bound to form a block.
It is located below 210a. When the block reinforcing bar E is sent out, the jack 123d is driven to move the gauge plate 120d upward, thereby receiving the block reinforcing bar E from the gauge plate 1210a of the main reinforcing bar gauge 121a.

When the block reinforcing bar E is received, the motor 12
By driving 4d, the gauge plate 120d is moved to the turning device 14 side. At this time, since the guide rail 122d and the extension rail 125d correspond to each other, the guide roller 121d disengaged from the guide rail 122d sequentially fits on the extension rail 125d as it moves. When the gauge plate 120d is supported on the extension rail 125d side, this time, by driving the motor 126d, the gauge plate 120d moves along the extension rail 125d,
When reaching the predetermined position on the side surface of the turning device 14, the movement is stopped, and the delivery of the block reinforcing bar E is completed.

FIG. 15 shows the details of the turning device 14. The turning device 14 shown in the figure includes a frame 14a for holding the block rebar E, a turning mechanism 14b for the frame 14a, and a lift mechanism 14c for moving the frame 14a up and down. The frame 14a is composed of a pair of curved frames 140 that are opposed to both ends in the tunnel axial direction.
a and two girder frames 141a connecting the curved frames 140a.

The turning mechanism 14 b includes a driving turning ring 140.
b, a pair of driven rotation rings 141 b disposed on both sides of the driving rotation ring 140 b, and a plurality of rotating rollers 1.
A frame 143b rotatably supporting each of the swiveling rings 140b, 141b via the driving ring 140b;
And a drive motor (not shown) connected to a gear 144b that meshes with a chain provided in the motor.

Driving and driven swing rings 140b, 14
1b is coaxially arranged at a predetermined interval along the tunnel axis direction. The frame body 143b is fixed to and supported by the main girder 10a arranged so as to pass through the inside thereof. A plurality of chucks 14d are provided on the outer side surface of the girder frame 141a at a predetermined interval so as to detachably hold the main reinforcement C of the block reinforcing bar E.
The chucks 14d are simultaneously opened and closed by a cylinder (not shown).

The lift mechanism 14c has four jacks 14
0c, and each jack 140c is disposed on both ends of the curved frame 140a. Curved frame 14
A pair of jacks 140c arranged on one end side of Oa
The telescopic plunger 141c is connected via the pin 142c. A pair of jacks 140c arranged on the other end side of the curved frame 140a have a telescopic plunger 141c.
, A guide roller 143c is attached thereto, and the guide roller 143c holds one end of the curved frame 140a.

Guide roller 143c and curved frame 14
The swinging jacks 14e for moving the curved frame 140a in the direction of the tunnel cross section are provided between the swinging jacks 14e. Further, between the pair of jacks 140c arranged in the tunnel axis direction, a girder 144c having a double pipe structure is provided, and the girder 144c and each of the turning rings 140b,
The frame 14a and the lift mechanism 14c are connected to the swing ring 140
b, 141b so as to be rotatable.

The member indicated by reference numeral 14f in FIG. 15 is an adjustment jack for moving the frame 14a and the lift mechanism 14c in the tunnel axis direction. According to the turning device 14 configured as described above, the block reinforcing bar E is placed on the frame 14a, and in this state, both ends of the main reinforcing bar C are gripped by the chucks 14d, so that the block reinforcing bar E can be held. At the same time, the motor 14
By rotating 4b, the held block rebar E can be swiveled along the tunnel circumferential direction.

When the block reinforcing bar E is moved to a predetermined position, the turning is stopped and the jack 140c is extended, so that the block reinforcing bar E can be arranged on the inner wall surface of the tunnel. In this case, accurate positioning of the block reinforcing bar E is performed by the swing jack 14e and the adjustment jack 14e.
When the position is determined, the block reinforcing bar E is locked by locking means (not shown) provided on the inner surface side of the segment A.

FIGS. 16 to 19 show details of the force-feeding muscle supply device 16. The distributing muscle supply device 16 shown in the figure includes a distributing section 16a for distributing muscle D and a separating and supplying section 16b for distributing muscle D.
And a moving mechanism 16c of the separation / feed unit 16b. The sending unit 16a includes a frame-shaped frame 160a,
It is composed of a plurality of rollers 161a, a motor 162a for driving the rollers 161a to rotate, and a plurality of jacks 163a for supporting the frame 160a in a vertically movable manner.

On the upper side of the frame 160a, a roller 161a extending in the tunnel sectional direction is rotatably supported. The roller 161a is provided with a plurality of V-shaped grooves 164a for accommodating the distribution muscles D. The jack 163a is supported on the guide wall 160c of the moving mechanism 16c, and moves the frame 160a in the vertical direction. The front and rear states when the frame 160a is moved up and down near the center of FIG. 18 are illustrated. . Sending unit 1
6a, when the motor 162a is driven, the rollers 161a
Rotates, and the distribution muscle D can be sent out to the blocking device 12 side.

The separation and supply unit 16b is disposed above the delivery unit 16a, and includes a plurality of conveyors 160b on which the distribution muscles D are placed, a plurality of supply chutes 161b provided at one end of the conveyor 160b, Separating part 162b for feeding force distribution muscles D one by one to supply chute 161b, bogie 163b for supporting these members, and guide girder 1 for supporting bogie 163b slidably in the tunnel cross-sectional direction.
64b, and a plurality of jacks 165b that support both ends of the guide girder 164b in a vertically movable manner.

The plurality of conveyors 160b are arranged in parallel to the cross-sectional direction of the tunnel, and are rotated by a motor 166b. By driving the jack 165b, the portion above the guide girder 164b moves up and down, and by driving the motor 167b, the bogie 163b slides along the tunnel sectional direction. In FIG. 18, the separation supply section 16b is moved upward, and the carriage 163b is moved.
Is shown in the state of having been moved in the sectional direction.

FIG. 19 shows the positional relationship between the conveyor 160b, the separating section 162b, and the supply chute 161b. The supply shorts 161b shown in the drawing are attached to the respective conveyors 160b, and one end side is disposed close to the conveyor 160b, bent in a concave shape, and the distribution muscles D are provided.
Aligning section 1610b for aligning one by one in an adjacent state
And a maze-like passage 1611b which is connected to the alignment portion 1610b and falls while adjusting the falling speed of the distribution muscle D.

The maze-shaped passage 161 of the supply chute 161b
1b, a roller 16 of the delivery unit 16 is provided below the lower end opening.
1a is located, and the force-supplying muscle D supplied by dropping is
It is designed to be stored in the groove 164a. Separation unit 1
Reference numeral 62b denotes a claw piece 1620b, which is disposed below the supply chute 161b and whose rotation end is located at the alignment portion 1610b of the supply chute 161b, and a cylinder 1621b for rotating the claw piece 1620b.

When the claw 1620b is rotated by the cylinder 1621b, the rotating end of the claw 1620b of the separating portion 162b is positioned at the leading end of the distribution muscle D accommodated in the alignment portion 1610b. The book is moved upward toward the maze-like passage 1611b while being pushed upward.

The separation and supply unit 16b configured as described above
In this example, the distribution muscles D are mounted on the conveyor 160b in a mountain shape. When the distribution bars D are placed, first, the conveyor 160b
Is driven to move the force distribution muscle D in the direction shown in FIG. When the distributor D moves in this direction, the stopper plate 1600b is provided at the end of the conveyor 160b.
b, the mountain collapses and is separated one by one.

In such a state, the conveyor 160b is rotated so that the distribution muscle D moves in the direction shown in FIG. Then, when the rotation in this direction is continued, the dispersive force distribution muscles D are accommodated in the alignment portion 1610b of the supply chute 161b in a state of being sequentially aligned. Alignment unit 1
One of the distributing muscles D accommodated in 610b is a separating unit 162.
b is sent out to the maze-like passage 1611b by the claw piece 1620b, and falls down in the maze-like passage 1611b to drop out of the sending part 16b.
a is received by the roller 161a.

When the receiving operation on the roller 160a is completed, the separating / supplying unit 16b is driven by the rotation of the motor 167b.
A predetermined pitch in the direction of the arrow in FIG. 19 (the same pitch as the pitch of the V-shaped groove 164a provided on the roller 160a)
, And the same operation is sequentially repeated, so that the V-shaped groove 1
When the distribution force D is received by all of the members 64a, the motor 162
a is driven to be sent to the assembly unit 12 side. At this time, the jack 163a is driven to perform vertical alignment between the sending section 16a and the separating / supplying section 16b.

On the other hand, the moving mechanism 16c includes a guide wall 160c having a concave cross section fixed between the main girders 10a and the guide wall 1c.
A pair of guide rails 161c fixedly provided on the outer surface of 60c, a plurality of rotating rollers 162c rolling along the guide rail 161c, a motor 163c for rotating the rotating roller 162c, and a rotatable rotating roller 162c. And a cover 164c for supporting the motor 163c.

The guide wall 160c is provided inside the delivery portion 1
While the jack 163a of 6a is installed, the guide wall 160c is extended to an installation area of the distribution muscle supply device 16 and a main muscle cassette 18 described later. On the outer surface of the cover 164c, the jack 1 of the separation / feed unit 16b is provided.
65b is fixed. According to the moving mechanism 16c configured as described above, by rotating the motor 163c, the separation / supply unit 16b is moved along the guide rail 161c while the sending unit 16a remains in the guide wall 160c. Can be moved to the side.

FIGS. 20 to 23 show the details of the main muscle cassette 18. FIG. The main muscle cassette 18 shown in the figure has a cassette portion 18a and a support portion 18b of the cassette portion 18a, and the cassette portion 18a and the support portion 18b are configured to be separable. In this embodiment, four sets of main bar cassettes 18 can be placed on the carriage 10.

The cassette section 18a includes a support plate 180
a and four standing uprights at four corners of the support plate 180a.
It includes a plurality of support columns 181a, a plurality of cassette plates 182a detachably fitted between a pair of support columns 181a positioned in the tunnel axis direction, and positioning pins 183a protruding from four corner lower surfaces of the support plate 180a. I have.

Each of the cassette plates 182a is arranged in a stepwise manner between a pair of columns 181a so that one pair of the cassette plates 182a is opposed to each other.
The fitting U groove 184a of the main bar C is recessed. This U
The arrangement interval and the number of the groove 164a are the same as the arrangement interval and the number of the chucks 120e of the gripping mechanism 12e arranged on the gate-shaped movable carriage 12b. The positioning pin 183a penetrates into the fitting concave portion 185a arranged at the upper end of the guide wall 160c of the distributing muscle supplying device 16, and the position of the cassette portion 18a is determined.

The member indicated by reference numeral 186a in FIG. 23 is a wheel fixed rotatably on the lower surface of the support plate 180a. The wheel 186a carries the main reinforcement C on the cassette plate 182a. At this time, it is used for rotating the cassette portion 18a by 90 degrees.

The supporting portion 18b includes a frame-shaped lower frame 180b installed on the carriage 10, an elevating jack 181b provided at four corners of the lower frame, and a telescopic guide 182b provided between the jacks 181b. It comprises a jack 181b and an upper frame 183b fixed to the extensible end of an extensible guide 182b. In the main rebar cassette 18 configured as described above, the gate-type movable cart 12b is moved and stopped while being positioned to the side of the main rebar cassette 18, and the jack 126b and the cylinder 122e are driven to move the chuck 120e to a predetermined position. When the chuck 120e is opened and then closed in the lowered state, the chuck 120e grips one stage of the main bar C, and the cylinder 1
By moving the portal carriage 12e by contracting the portal 22e, the portal carriage 12e can be moved to above the assembly portion 12a of the blocking device 12.

At this time, on the main muscle cassette 18 side, the cassette plate 182a from which the main muscle C has been removed is removed.
By extending the lifting jack 181b, the second cassette plate 182a is set at the same height as the first cassette plate, and such operations are sequentially repeated. In the main bar cassette 18 configured as described above, the main bar C is carried in a state where the main bar C is placed at another place between the cassette plates 182a of the cassette unit 18a.

FIGS. 24 to 31 show details of the beam carriage 20. The beam trolley 20 shown in FIG. 1 includes a removal trolley 20 a running on a rail 24 attached to a segment A via a sleeper 22 and a carry-in trolley 20 c used for transporting the main bar cassette 18, and a beam receiving trolley 20.
b. The removal cart 20a is provided between a pair of portal beams 200a arranged opposite to each other at intervals along the tunnel axis direction, a pair of beam members 201a connecting between lower ends of the portal beams 200a, and between the portal beams 200a. It has a linear beam 202a installed at the upper end.

The lower end of the portal beam 200a has a rail 2
4 is rotatably provided, and a pair of main muscle cassettes 18 is a drive-side wheel 203a. The drive-side wheel 203a has
Drive motors 204a, which are mounted and supported on 1a, respectively, are connected. The straight beam 202a is made of H-shaped steel, and the hoist 2 that holds the main muscle C and the force distribution muscle D is used.
05a is movably fitted.

The straight beam 202a is
a to the main muscle cassette 18 side, and at least this extended portion is connected to the power distribution muscle supply section 16 with the power distribution muscle D suspended and supported by the hoist 205a.
Has a length that can be placed on the conveyor 160b.
The beam receiving trolley 20b runs on the same guide rail 10f as the portal movable carriage 12b, and has a portal beam 200b large enough to cover the main muscle C placed on the main muscle cassette 18. doing.

At the lower end of the gate-shaped beam 200b, a support frame 201b extends in the tunnel axis direction.
A wheel 202b fitted to f is rotatably provided. A straight beam 20 is provided on the upper end side of the portal beam 200b.
A locking means 203b for removably locking the tip of the second 2 is disposed. The locking means 203b is provided for the linear beam 20
It is composed of a concave plate 2030b which can protrude and retract the lower flange of 2a, and a motor 2031b which moves the concave plate 203b up and down.

The beam receiving trolley 20 thus configured
b, the distal end of the linear beam 202a of the removal truck 20a is locked by the locking means 203b, so that the removal truck 20a
It can be moved with. The carry-in truck 20c is used when carrying in the main bar cassette 18, and as shown in the use state in FIG.
4 and a carriage unit 200c mounted on the carriage unit 200c. On the upper surface of the cassette mounting portion 201c, there is provided a concave ring groove 202c that fits with the roller 186a of the main muscle cassette 18 (see FIG. 31).

Next, the operation of the system including the above-described automatic rebar assembling apparatus will be described. When operating this system, the turning device 14 arranged on one end side in the tunnel axial direction is driven by the driving wheel 10b of the bogie 10 to be positioned at a portion where reinforcement is to be provided, and the jack base 10d It is fixed on the segment A by the horizontal blocking 10e. In addition, since the rail 24 laid on the sleeper 22 is provided in advance over the entire line, a portion corresponding to the length of the carriage 10 is removed before the fixed installation.

In this case, the carriage 10 and the removal carriage 20a are adjusted so that they are coaxially positioned.
On the top 0, a turning device 14, a blocking device 12, a distribution force supply device 16, and the like are mounted, and the length is considerably long and the weight is large. As described above, in the structure, the segment A is formed by connecting a large number of blocks in the tunnel circumference and in the axial direction, and their axes do not always match.

Therefore, such a segment A upper carriage 1
0 is directly mounted, and the removal cart 20a is integrally connected to the cart 10, so that the torsion or rotation of the segment A causes
It becomes very difficult to align the removal carriage 20a having the long straight beam 202a with the carriage 10 and inconveniences such as the lifting of a part of the removal carriage 20a occur, which takes time for adjustment and hinders the progress of construction.

Therefore, in this embodiment, the linear beam 202a of the removed carriage 20a and the carriage 10 are separated from each other and connected to the beam receiving carriage 20b provided on the side of the carriage 10 by a locking means 203b as required. I have. For this reason, the positioning between the cart 10 and the removal cart 20a can be easily performed, and the efficiency of the construction is improved.

In the system including the assembling apparatus of this embodiment,
The following describes the delivery of the muscle D, the transportation of the main muscle cassette 18, the supply of the muscle D to the assembling portion 12a, the distribution of the muscle D, the supply of the muscle C to the assembling portion 12a, the automatic The procedures of binding by the binding machine 12c, moving the assembled block reinforcing bar E to the turning device 14, and arranging the reinforcing bar block E (installation on the wall surface of the tunnel) are sequentially performed.

Transportation of Distributor D When distributing the distributor D to the supply device 16, it is performed as shown in FIG. In carrying the distribution muscle D, first, the distal end side of the linear beam 202a of the removal truck 20a is locked to the beam receiving truck 20b by the operation of the locking means 203b. Then, in this state, a plurality of force-distributing bars D bundled by wires or the like are suspended and supported by the hoist 205a of the removal cart 20a, and the hoist 205a is driven to reach the vicinity of the front end side of the linear beam 202a. Move.

Next, by driving the hoist 205a,
The distribution bars D are placed on the conveyor 160a. Conveyor 1
The distribution muscles D placed on the 60a are automatically supplied to the assembling unit 12a by a subsequent procedure. When the placement of the distribution bars D is completed, the removal cart 20a is returned to the original position.

Transport of Main Bar Cassette 18 The main bar C is set in the cassette portion 18a of the main bar cassette 18 in advance and carried in. FIG. 30 shows the loaded state. The main muscle C varies depending on the number of divisions, but is generally divided into two or three in consideration of efficiency in assembling. However, in such a divided state, the main muscle C
Becomes considerably long, and it becomes difficult to stack a large number of them in a step-like manner and move them in the tunnel sectional direction. Therefore, in the case of this embodiment, the carry-in trolley 20c is installed between the removal trolley 20a and the trolley 10, and is rotated on the carry-in trolley 20c.

That is, when carrying in the main rebar cassette 18, the longitudinal direction of the main rebar C is made to coincide with the tunnel axis direction, and the cassette section 18a is moved to the cassette mounting section 20.
1c.

The cassette section 18a placed on the carriage section 200c is inserted into the ring groove 202 on the cassette placement section 201c.
By rotating the roller 186a along the line c, the angle of the main muscle C is rotated by about 90 ° so that the longitudinal direction of the main muscle C becomes the tunnel sectional direction (see FIG. 31). The cassette portion 18a whose direction has been changed in this manner is suspended and supported by the hoist 205a only on the cassette portion 18a, and is placed at a predetermined position on the carriage 10 (on the support portion 18b).

When mounting on the carriage 10, positioning is performed such that the positioning pin 183a penetrates into the concave portion 185a, whereby the cassette portion 18a of the main muscle cassette 18 is disposed on the support portion 18b. . By repeating such an operation a plurality of times, the carrying in of the predetermined number of main muscle cassettes 18 is completed. When the loading of the cassette unit 18a is completed, the loading cart 20c is removed.

[0092] The force-feeding muscles D placed on the conveyor 160b in a mountain-like manner in the procedure of supplying the force-feeding muscles D to the assembly portion 12a are broken down and separated one by one by driving the conveyor 160b. You. Then, the conveyor 160b is driven in the reverse direction, and the dispersing force distribution muscle D is supplied to the supply chute 161b.
Are sequentially arranged in an aligned state in the alignment section 1610b. One of the distribution muscles D accommodated in the alignment unit 1610b is
It is sent out to the maze-like passage 1611b by the claw piece 1620b of 2b, and is received by the roller 161a of the sending part 16a.

When the receiving operation on the roller 161a is completed, the separation supply unit 16b is driven by the rotation of the motor 167b.
After being moved by a predetermined pitch, the same operation is sequentially repeated, and when all of the V-shaped grooves 164a are received from the force distribution muscle D,
The motor 162a is driven to be sent to the assembly unit 12 side. Note that such an operation of the distributing muscle supply device 16, that is, an operation of receiving the distributing muscles D one by one by the supply chute 161b on the rollers 161a of the sending unit 16a,
When the predetermined number is sent to the assembling section 12, the operation is sequentially continued, and preparation for the next sending is performed.

Distribution of Distributors D When distributing the distributors D, the temporary receiving gauges 124
6a is aligned with the center axes of the rollers 1202a and 1203a and the center axis of the anti-droop mechanism 123a, and the jack 1205a is driven to drive the rollers 1202a.
a, 1203a are located at the highest position, and are adjusted so as to coincide with the rollers 161a of the delivery section 16a of the distributing muscle supplying device 16 described later.

The temporary receiving gauge 1246 a
2a, lower than the position of 1203a.
It is adjusted by the jack 1245a so as to be higher than the gauge plate 1220a of 2a. In addition,
This operation is performed before the distribution muscle D is sent from the supply device 16. In this state, when a plurality of power distribution muscles D are sent from the power distribution muscle supply device 16 side, the power distribution muscles D are first received by the rollers 1202a and 1203a, and drive the drive motor 1204a. The turning device 1
4 and when it reaches a predetermined position, it hits a stopper and stops moving.

Next, the temporary receiving gauge 1246a is moved upward by driving the jack 1245a.
The distribution muscle D is transferred from the rollers 1202a and 1203a to a temporary receiving gauge 1246a. When this transfer is performed, the rollers 1202a and 1203a move to the jack 12
05a, the temporary receiving gauge 1246a
Is lowered to a level that does not hinder the movement of the boat.

When the lowering of the rollers 1202a and 1203a is completed, the temporary receiving gauge 1246a is turned clockwise by driving the drive motor 1242a. The turning movement at this time is performed by the motor 12
In addition to the synchronous rotation of the first plate 1231a, the first plate 1231a is moved rightward by synchronously rotating the motor 1234a of the anti-droop mechanism 123a.

When the temporary receiving gauge 1246a is turned to a predetermined position, the motors 1242a and 1234 are turned.
a, the temporary receiving gauge 1246a is moved downward by driving the jack 1245a,
The distributing muscle D is transferred from the temporary receiver 1246a to the gauge plate 1220a. When the transfer is completed, the jack 1245a is driven to lower the temporary receiving gauge 1246a to a position that does not hinder the turning movement.

Then, by driving the motor 1242a, the temporary receiving gauge 1246a is turned leftward to return to the original height position on the central axis. In this case, the motor 1234a of the droop prevention mechanism 123a is not rotated. Next, the rollers 1202a and 1203a and the gauge plate 1220a are returned to their original states,
Distributing muscle D sent from the side is again supplied to temporary receiving gauge 124.
After receiving at 6a and turning to the left, the distribution muscle D is received on the left end side of the gauge plate 1220a, and then the same operation is repeated to receive the distribution muscle D at the center of the gauge plate 1220a. Let it. By such an operation, a predetermined number of force distribution muscles D are set on the gauge plate 1220a of the force distribution muscle gauge 122a with both ends supported.

When this arrangement is completed, the distribution muscle gauge 12
By driving the rotation jack 1223a of 2a, the force distribution muscle D held by the gauge plate 1220a is moved in the cross-sectional direction of the tunnel, so that a margin is provided at one end of the main muscle C. I do.

Supply of the Main Bar C to the Assembling Unit 12a When supplying the main bar C to the assembling unit 12a, first, the gate-shaped movable carriage 12b is moved to the main bar cassette 18 side (FIG. 2).
1), the jack 126b and the cylinder 122e are driven to drive the chuck 120 of the gripping mechanism 12e.
e is lowered onto the main muscle C placed on the main muscle cassette 18, and the chuck 120e is opened and closed to cause each chuck 120e to hold the main muscle C.

After the chuck 120e is moved upward by the driving of the jack 126b and the cylinder 122e, the gate-shaped carriage 12b is moved right above the mounting portion 12a, and then the jack 126b and the cylinder 12e are moved again.
By driving the chuck 2e, the chuck 120e of the gripping mechanism 12e is lowered and released, so that both ends of the main bar C are connected to the gauge plate 1210 of the main bar gauge 121a.
Transfer to a.

At this time, the force distributor D held on the gauge plate 1220a of the force distributor gauge 122a is located below the main muscle C, and by this operation, the assembling unit 1
In 2a, the main muscle C and the force distribution muscle D are arranged in a grid pattern crossing each other. When the main bar C is moved to the gauge plate 1210a, the chuck 120e of the gate-shaped carriage 12b is moved up again.

Bundling by Automatic Bundling Machine 12c When the main muscle C and the force-distributing muscle D are arranged in a lattice on the assembling portion 12a, the portal cart 12b is moved. It is set to be located at. At this time, when the portal bogie 12b is stopped at a predetermined position, the automatic tying machine 12c is connected to one end of the main muscles C and the force distribution muscles D in which the plurality of automatic tying machines 12c are arranged in a lattice in the tunnel axial direction. Are directed to the respective intersections located at.

When the setting of the automatic binding machine 12c is completed,
Jack 126b of gate type cart 12b and automatic binding machine 12c
Of the automatic binding machine 1 by driving the side cylinder 1232c.
2c to lower the surrounding guides 12 of each automatic binding machine 12c.
03c is opened and closed so that the surrounding guide 1203c sandwiches the intersection of the main muscle C and the distribution muscle D. Then, in this state, the motor 1205c is driven to bind the intersection with the binding line 121c.

When the binding is completed, the cylinder 1232c is driven to move the automatic binding machine 12c upward, so that the portal bogie 12b is placed at the other end of the main bars C and the distribution bars D arranged in a lattice in the tunnel axis direction. Is moved by a predetermined distance (the same as the arrangement pitch of the main muscle C), and another intersection is bound by repeating the same operation. Thereafter, the same operation is repeated to bind the intersections.

In this case, if the number of the automatic tying machines 12c is made to coincide with the number of intersections of the main muscles C and the force distribution muscles D located in the sectional direction of the tunnel, the movement of the portal trolley 12b can be performed only in the tunnel axial direction. . In addition, the movement of the gate-type cart 12b is not limited to one direction, but in two directions. When moving to one side, binding every other intersection, and when moving to the other, bundling the intermediate intersection. It is also possible to form a staggered intersection. In this manner, when the predetermined intersection is bound by the automatic binding machine 12c, the main muscles C,
The distribution muscle D becomes the mesh-shaped block reinforcement E.

When the binding is completed, the gate-shaped cart 12b
Is moved to a predetermined position in order to supply the next main bar C to the assembly portion 12a.

The turning device 1 for the assembled block rebar E
4 (see FIG. 14) When the block reinforcing bar E is sent out to the turning device 14, the jack 123d is driven to move the gauge plate 120d of the sending-out mechanism 12d upward, whereby the gauge of the main bar gauge 121a is moved. Transfer from the plate 1210a onto the gauge plate 120d,
To accept the block reinforcing bar E.

When the block reinforcing bar E is received, the motor 12
By driving 4d, the gauge plate 120d is moved to the turning device 14 side. At this time, since the guide rail 122d and the extension rail 126d correspond to each other, the guide roller 121d disengaged from the guide rail 122d is sequentially fitted to the extension rail 125d as it moves. When the gauge plate 120d is supported on the extension rail 125d side, this time, by driving the motor 126d, the gauge plate 120d moves along the extension rail 125d,
When reaching the predetermined position on the side surface of the turning device 14, the movement is stopped, and the delivery of the block reinforcing bar E is completed.

The gauge plate 1 of the delivery mechanism 12d
When 20d receives block reinforcing bar E, main bar gauge 1
21a and the force distribution gauge 122a are set at predetermined positions for the distribution of the next force distribution muscle D. Arrangement of the block reinforcing bar E The block reinforcing bar E is framed by the delivery mechanism 12d.
Of the lift mechanism 14c, the jack 1
40c is driven to move the frame 14a upward, and the opening and closing operation of the chuck 14d causes the main reinforcement C of the block reinforcing bar E to move.
Is gripped. When this gripping is completed, the jack 140
c is further extended, and the block reinforcing bar E is sent out by the delivery mechanism 12d.
From the gauge plate 120d.

When this operation is performed, the gauge plate 120d of the delivery mechanism 12d is returned to the blocking device 12 by the driving of the motor 126d, and the next block rebar E
Prepare for sending. Turning device 1 that receives block reinforcing bar E
4 turns the driving turning ring 140b of the turning mechanism 14b to turn the held block rebar E along the tunnel circumferential direction.

Then, when the block reinforcing bar E is swiveled to a predetermined position, the turning is stopped, and the jack 140c is extended, thereby mounting the block reinforcing bar E on the tunnel wall surface. When the reinforcement is completed, the turning device 14 is returned to the original state, and prepares for the next reinforcement of the block reinforcing bar E.

Thereafter, supply of the muscles D to the assembling portion 12a, distribution of the muscles D, supply of the main muscle C to the assembling portion 12a, bundling by the automatic tying machine 12c, To the turning device 14 and the procedure of arranging the block reinforcing bars are sequentially repeated. Since such a procedure is based on a sequence control that executes another procedure when one procedure is completed, for example, a movement range or a stop position is detected by a proximity switch, and the rotation of the motor is detected by a detection signal of an encoder. By performing the control, the above-described procedure can be automatically controlled.

When the above procedure is repeated a plurality of times to arrange the annular reinforcing bar B in which a plurality of block reinforcing bars E are combined, the bogie 10 is moved and the same procedure is repeated. In this case, when the carriage 10 is moved, the rail 24 and the sleeper 22 are removed, and the removal carriage 20a is used for this operation.

According to the automatic assembling apparatus for reinforcing bars configured as described above, the assembling section 12 in which the blocking device 12 supports the main bars C and the distribution bars D assembled in a lattice shape.
a, which moves above the assembling portion 12a, and which can be moved up and down, and which is mounted on the portal type movable cart 12b, and moves up and down in a direction of an intersection between the main muscle C and the force distribution muscle D. The automatic binding machine 12c binds the intersections of the reinforcing bars (the main bars C and the distribution bars D) assembled in a lattice to the assembly section 12a, and the automatic binding machine 12c It is possible to assemble the block rebar E in an efficient manner.

As a result, the efficiency of tunnel construction can be greatly improved. Further, in the automatic assembling apparatus of the present embodiment, a turning device 14 is arranged on the side where the block rebar sending mechanism 12d sends out the block rebar E, and the turning device 14 receives the block rebar E from the block rebar sending mechanism 12d. A frame 14a having a chuck 14d for holding the frame 14a, a turning mechanism 14b for supporting the frame 14a and turning the frame 14a along the circumferential direction of the tunnel, and a block supported by the frame 14a while the turning mechanism 14b is stopped. An extendable lift mechanism 14c is provided for pressing the reinforcing bar E toward the tunnel wall surface.

According to this configuration, the automatically assembled block reinforcing bar E is sent out to the turning device 14 by the block reinforcing bar sending mechanism 12d of the blocking device 12, and is gripped by the chuck 14d of the turning device 14. The swivel mechanism 14b swivels to a required position, and the lift mechanism 14c
Automatically installed on the wall side of the tunnel, and assembling and arranging reinforcing bars can be performed automatically, so that the construction efficiency is further improved.

Further, since the automatic assembling apparatus of the present invention has the block rebar sending mechanism 12d for sending out the assembled block rebar E to the outside, the rebar arrangement and the assembly of the block rebar E are performed at another place. As a result, the efficiency of assembling the reinforcing bar E is improved. Further, the assembling unit 12 of the present embodiment
a is arranged opposite to each other at a predetermined interval along the axial direction of the tunnel, and is curved in the same arc shape as the arc of the main muscle C,
A pair of force gauges 122a for supporting the force muscles D so as to be vertically movable, and extending along the axial direction of the tunnel below the force arm gauges 122a and perpendicular to the force arm gauges 122a. A pair of vertically movable main muscle gauges 121a opposed to each other and supporting both ends of the main muscle C above the muscles D, and the front face of both outer ends of the muscles 122a. 122a, and is arranged rotatably along the line 122a and holds a plurality of force distribution muscles D.
a and a pair of force distribution muscle distribution mechanisms 124a for distributing the distribution muscles.

According to this configuration, when the required number of muscles D are supported by the muscle gauge 122a, the muscles distribution mechanism 124a can be rotated and supplied in a plurality of times. Reinforcing bars can be assembled using the narrow space of the tunnel effectively. Further, in the automatic assembling apparatus of the present embodiment, the portal-type movable cart 12b is provided with a plurality of legs 121b which self-run on guide rails 10f provided at both ends in the width direction of the cart 10, and between the legs 121b. U-shaped pair of beams 122b erected so as to face the
And a gripping mechanism 12e of the main bar C which is arranged and supported on one of the beams 122b (specifically, provided on the left and right sides of the spar 124b connecting the beams 122b arranged at the front and rear thereof at the upper part thereof). And a plurality of automatic binding machines 12c are provided on the other of the beams 122b along the tunnel circumferential direction.

According to this configuration, the plurality of main muscles C can be gripped by the gripping mechanism 12e and held by the main muscle gauge 121a of the assembling section 12a, and a plurality of intersections can be bound by the automatic binding machine 12c. Can be.
In this case, when the leg 121b is moved along the guide rail 10f, the intersections along the tunnel axis direction can be automatically bound, and the supply of the main muscle C can be automated.

The automatic rebar assembling apparatus of this embodiment is
On the opposite side of the turning device 14 with the blocking device 12 interposed therebetween, a plurality of main muscle cassettes 18 in which a plurality of force supplying muscles D supply devices 16 and main muscles C are stacked in parallel and in multiple stages are mounted on the bogie 1.
Since it is provided on the upper side, the supply of the distribution muscle D and the main muscle C can be smoothly supplied to the assembly portion 12a of the blocking device 12.

The automatic rebar assembling apparatus according to the present embodiment includes the main rebar cassette 18 on the carriage 10 and the distributing muscle distributing apparatus 1.
6, a beam truck 20 is provided for carrying the muscle bars D to the muscle force supply device 16 and carrying the main muscle cassette 18 onto the cart 10. The loading and supply of D and the assembling and installation of the block reinforcing bar E that binds them can be performed as a series of steps.

In the above embodiment, the loading and supply of the main reinforcement C and the reinforcements D, the assembly and arrangement of the block reinforcements E that bind the main reinforcements C and the reinforcements D are performed as a series of steps. Although an apparatus capable of automatically performing the above-described operations has been illustrated, various combinations can be selected, such as automating only the assembly portion of the reinforcing bar, or automating the assembly and arrangement of the reinforcing bars.

Further, in the above-described embodiment, the case where the present invention is applied to the lining work of the shield tunnel is illustrated. However, the present invention is not limited to this. It can also be applied to construction.

[0124]

As described above in detail in the embodiments,
According to the automatic rebar assembling apparatus of the present invention, a mesh-shaped block rebar is automatically obtained by bundling intersections obtained by combining an arc-shaped main rebar and a straight force-rebar in a lattice. Thus, the construction efficiency of the tunnel can be greatly improved.

According to the second aspect of the present invention, the automatically assembled block reinforcing bar is automatically attached to the tunnel wall, so that the construction efficiency can be further improved.
Furthermore, according to the configuration of claim 3, since the distribution muscles are supplied in a plurality of times, the narrow tunnel space can be effectively utilized. Furthermore, according to the configuration of claim 4,
Since the main reinforcement can be automatically supplied to the assembling portion and the automatic binding of a plurality of intersections can be performed at once, the construction efficiency is further improved.

Further, according to the configuration of claim 5, since the distribution muscles can be automatically supplied to the assembling portion, the construction efficiency can be improved. Further, according to the configuration of claim 6, it is possible to carry out the supply and supply of the main reinforcing bars and the distribution bars, and to assemble and install the block reinforcing bars binding these as a series of processes, and assemble the reinforcing bars in the tunnel. Arrangement work can be performed very efficiently.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an arrangement state in a tunnel of a system employing an automatic rebar assembling apparatus according to the present invention.

FIG. 2 is a sectional view of a bogie of the automatic rebar assembling apparatus according to the present invention.

FIG. 3 is a perspective view of a blocking device of the automatic rebar assembling apparatus according to the present invention.

FIG. 4 is a perspective view of the blocking device of FIG. 3 in a state where a gate-shaped movable cart is removed.

FIG. 5 is a longitudinal sectional view on a central axis in FIG. 4;

FIG. 6 is a sectional view of a distribution mechanism of the blocking device of FIG. 3;

FIG. 7 is an operation explanatory diagram when distributing distribution muscles by the distribution mechanism of FIG. 6;

FIG. 8 is a perspective view of a portal-type movable cart of the blocking device shown in FIG. 3;

FIG. 9 is an explanatory cross-sectional view of the portal-type movable cart shown in FIG. 8;

FIG. 10 is an explanatory diagram of an arrangement of an automatic binding machine used in the automatic assembling apparatus for reinforcing bars according to the present invention.

FIG. 11 is an explanatory cross-sectional view of the automatic binding machine in a mounted state.

FIG. 12 is an explanatory sectional view of a main body of the automatic binding machine.

FIG. 13 is an explanatory diagram of a binding principle of the automatic binding machine.

FIG. 14 is a perspective view of a sending mechanism of the blocking device shown in FIG. 3;

FIG. 15 is a perspective view of a turning device of the system shown in FIG. 1;

FIG. 16 is a perspective view of a distribution muscle supply device of the system shown in FIG. 1;

FIG. 17 is a longitudinal sectional view in the axial direction of the distributing muscle supply device.

FIG. 18 is a cross-sectional view of the distributing muscle supply device.

FIG. 19 is an explanatory cross-sectional view of a separation supply section of the distributing muscle supply device.

FIG. 20 is a perspective view of a main muscle cassette of the system shown in FIG. 1;

FIG. 21 is a side view of the main muscle cassette.

FIG. 22 is an enlarged view of a main part of FIG. 21.

FIG. 23 is an explanatory front view of the main muscle cassette.

FIG. 24 is a perspective view of a beam carriage of the system of FIG. 1;

FIG. 25 is an explanatory side view of the beam cart.

FIG. 26 is an explanatory sectional view of a removal cart used for the beam cart.

FIG. 27 is an explanatory sectional view of a beam receiving trolley used for the beam trolley.

FIG. 28 is an explanatory side view of the beam receiving cart.

FIG. 29 is an explanatory diagram when a distribution muscle is carried in using the beam cart.

FIG. 30 is an explanatory diagram when a main bar is carried in using the beam cart.

FIG. 31 is an explanatory diagram when the main muscle cassette shown in FIG. 20 is rotated.

[Explanation of symbols]

 REFERENCE SIGNS LIST 10 cart 10a main girder 10f guide rail 12 blocking device 12a assembling section 12b portal movable cart 12c automatic binding machine 12d sending mechanism 12e gripping mechanism 14 turning device 14a frame 14b turning mechanism 14c lift mechanism 16 distributing muscle supply device 16a sending Unit 16b Separation / supply unit 16c Moving mechanism 18 Main bar cassette 18a Cassette unit 18b Support unit 20 Beam trolley 20a Removal trolley 20b Beam receiving trolley 20c Carriage trolley A Segment B Reinforcing bar C Main reinforcing bar D Distributing bar E Block reinforcing bar

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Keizo Kazama 2-3 Kandajicho, Chiyoda-ku, Tokyo Obayashi Corporation Tokyo Head Office (72) Inventor Akihiro Higashi 4-33 Kitahamahigashi, Chuo-ku, Osaka-shi, Osaka Shares (72) Inventor Takashi Kitaoka 2-3, Kandaji-cho, Chiyoda-ku, Tokyo Tokyo In-house Co., Ltd. (72) Inventor Yoshio Saga 209 Ogibu, Takaoka-shi, Toyama Pref. (72) ) Inventor ▲ Sai ▼ Tsutomu Fuji 2-16-5 Sanno, Ota-ku, Tokyo

Claims (6)

[Claims] 1. A plurality of arc-shaped main bars arranged in a circumferential direction of a tunnel and a plurality of force bars arranged in an axial direction of the tunnel are assembled in a lattice shape, and the main bars and the force bars are assembled. An automatic assembling apparatus for reinforcing bars that ties the intersections with the block to produce a mesh-shaped block reinforcing bar, the bogie being arranged along the axial direction of the tunnel, and moving along the axial direction of the tunnel by driving a driving wheel. And a blocking device disposed on the carriage, wherein the blocking device supports the main bars and the force distribution bars mounted in the lattice shape, and an upper portion of the mounting portion. Moving in the direction of the tunnel axis, a vertically movable movable cart, a plurality of automatic tying machines attached to the portal movable cart and moving vertically up and down at the intersection of the main muscle and the force distribution muscle, Send out the block rebar outside An automatic rebar assembling device, comprising a block rebar sending mechanism. 2. The automatic assembling apparatus according to claim 1, further comprising: a turning device arranged on a side where the block reinforcing bar sending-out mechanism sends out the block reinforcing bar, wherein the swiveling device sends the block reinforcing bar from the block reinforcing bar sending mechanism. A frame having a chuck for receiving and detachably holding the frame; a turning mechanism for supporting the frame and turning the same along the circumferential direction of the tunnel; and a turning mechanism supported by the frame, In the stopped state,
An automatic assembling apparatus for rebars, comprising: a retractable lift mechanism for pressing the block rebar toward the inner surface of the tunnel. 3. The assembling portion is disposed to face each other at a predetermined interval along the axial direction of the tunnel, and is curved in an arc substantially the same as the arc of the main muscle, so that the force distribution muscle can be moved up and down. A pair of distributing muscle gauges to be supported on the distributing muscles, extending below the distributing muscle gauges along the axial direction of the tunnel so as to be orthogonal to the distributing muscle gauges, and mounted on the distributing muscles. A pair of vertically movable main muscle gauges that support both ends of the main muscle placed, and are movable along the force distribution muscle gauge on the front side in the tunnel axial direction of the force distribution muscle gauge. And a pair of vertically movable force distribution muscles that hold a plurality of the force distribution muscles and supply a required number of the force distribution muscles in a plurality of times to the force distribution muscle gauges. 3. The automatic rebar assembling apparatus according to claim 1, wherein 4. The portal-type movable trolley has a plurality of legs running on guide rails provided at both ends in the width direction of the trolley, and an inverted U-shape bridged between the legs. A pair of beams, and a gripping mechanism that is arranged and supported on one of the beams and grips the main muscle releasably, and a plurality of the automatic binding machines are provided on the other of the beams along the circumferential direction of the tunnel. The automatic assembling apparatus for a reinforcing bar according to claim 1, wherein: 5. The automatic rebar assembling apparatus according to claim 1,
A main muscle cassette, which is arranged on the opposite side of the turning device with the blocking device interposed therebetween and automatically supplies the main muscles, and a plurality of the main muscles stacked in parallel and in multiple stages. An automatic rebar assembling apparatus provided on the carriage. 6. The automatic rebar assembling apparatus according to claim 1,
A reinforcing bar arranged on a rear side of the main rebar cassette on the bogie, for carrying the power rebars to the power rebar supplying device and for loading the main rebar cassette onto the bogie. Automatic assembly equipment.