JPH0647917B2 - Segment feeder - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment supply device for supplying a segment to an erector in an excavation device such as a shield excavator for excavating a tunnel.

2. Description of the Related Art Conventionally, a segment is loaded on a carrier to a position near the excavator and carried in, and the carrier is transported by a hoist crane or the like. Therefore, the process of transporting and assembling the segments requires a lot of time. In addition, a space for storing the segment is required under the tunnel near the carrier. Therefore, the work space in the tunnel is reduced accordingly, and the workability is poor.

A prior art for solving such a problem is Japanese Patent Laid-Open No. 61-61
237800. Although this prior art discloses a configuration for transporting a segment and delivering it to an erector, it is further automated to load and transport the segment, and it is possible to accurately and continuously connect a plurality of segments. It is desired to be transported.

SUMMARY OF THE INVENTION An object of the present invention is to provide a segment supply device capable of automatically and accurately supplying a segment to the vicinity of the excavation device.

Means for Solving the Problems The present invention moves in a tunnel 10 along a double-tracked first rail 13 extending in a direction of excavation, and makes a segment parallel to a direction in which the rail 13 extends in a longitudinal direction of the segment. A carrier 14 that is mounted and transported as an attitude, and a generally gate-shaped shape that moves along the second rails 17 provided on both sides of the first rail 13 in the tunnel 10 and straddles the carrier 14. A first moving body 3a having a first supporting member 18 extending in the excavation direction on both sides of the carrier 14 at the upper part, and below the first supporting member 18 and above the carrier 14. A first moving body 3a having second support members 26 extending in the excavation direction on both sides of the carrier vehicle 14, and a first movable body 3a that moves along the first support member 18 in the excavation direction 19
A carriage 20, a moving carriage 22 provided on the first carriage 20 and moving in a direction perpendicular to the excavation direction, a means 23 for vacuum-adsorbing the segment, and a vacuum carriage 23 provided on the moving carriage 22 for moving the vacuum-adsorption means 23 around the vertical axis. The driving source 24, which is angularly displaced by 90 degrees, and can be moved up and down, and the carriage main body 29, which moves along the second support member 18 in the excavation direction 19, are formed to be convex and curved to mount the segments. And a second carriage 25 provided with a first roller 27 that moves the segment forward in the excavation direction. The second moving body 3b is connected to the first moving body 3a on the front side of the moving body 3a in the digging direction, moves along the second rail 17, and extends in the digging direction above the second support member 26. The third rail 32 is solid A second moving body 3b having a third supporting member 33 is a plurality of connecting carriage 34 constitute an endless chain are connected by a link 37 and 38, connecting carriage 34 in the upward third
Guided by rails 32, wound around a pair of wrapping wheels 40, 41 arranged in front of and behind the excavation direction and stretched,
A connecting carriage means in which a segment from the second carriage 25 is transferred by a first roller 27 onto a connecting carriage 34 on the third rail 32, which is the rearmost in the excavating direction, and a segment in the excavating direction ahead of the connecting carriage means. There is a roller table 45 that tilts downward and moves the segment while moving forward, and a second rail 17 that is forward of the second moving body 3b in the direction of excavation.
A plurality of claws 151 that move between the second roller 50 and the third moving body 3c provided with a large number of second rollers 50 that move along the digging direction and transport the segments in the digging direction.
Is provided, the pawl 151 is connected to a longitudinal connecting rod 152 extending along the excavation direction by a horizontal pin 54, and a spring 155 applies a spring force so that the pawl 151 is in an upright state. 151 is a means for tilting forward around the pin 54 in the excavation direction, passing under the segment, and a means for pushing the rear end of the segment in the excavation direction with the upper end protruding from the second roller 50 when standing up, and the connecting rod 152 back and forth. A segment supply device including a double-acting cylinder 53 to be driven.

Operation According to the present invention, the transport vehicle is guided by the first rail that extends in the tunneling direction and is double-tracked in the tunnel, and the segment is mounted and transported on the transport vehicle. Second rails are provided on both sides of the first rail, and gate-shaped first to third moving bodies are guided and moved on the second rail. A first carriage is provided on the first support member of the first moving body, and the first carriage is provided with a moving carriage that moves at a right angle to the excavation direction. This moving carriage is provided with a drive source, and by this drive source, the vacuum suction means for vacuum-sucking the segment is angularly displaced by 90 degrees about the vertical axis and is displaced up and down.

In this way, the segments loaded with the longitudinal direction parallel to the excavation direction are converted at right angles and further conveyed forward by the first roller and the second roller of the second carriage in the excavation direction. With respect to the segment thus conveyed, a plurality of segments are simultaneously pressed by the same distance by the claw of the means for pressing the rear end portion in the excavation direction. In this way, a plurality of segments can be moved accurately and reliably in succession.

Embodiment FIG. 1 is a simplified perspective view of an embodiment of the present invention. An excavation device 1 such as a shield excavator is mounted with a segment by a carrier vehicle 14 that moves along a rail 13 (see FIG. 2 to be described next) that is a double-tracked first rail. Transport it (right and left in Fig. 1).
The moving body 3 can move on the rail along with the excavation device 1 along the excavation direction. Conveying means 4 is provided above the moving body 3 and moves the segment forward (in the first direction).
Move to the left of the figure). The transport means 4 is the first transport means 5
And the second transfer means 6 are arranged in this order along the excavation direction. At the rear end of the moving body 3, a loading-side delivery means 7 for delivering the segment from the transport vehicle 14 to the first transport means 5 is provided. The segment from the second transport means 6 is delivered to the erector 9 of the excavation device 1 by the delivery-side delivery means 8 provided at the front end of the moving body 3.

FIG. 2 is a simplified perspective view of the vicinity of the carry-in-side delivery means 7, FIG. 3 is a simplified side view of the carry-in-side delivery means 7, and FIG. 4 is a simplified view of the carry-in-side delivery means 7. 5 is a cross-sectional view taken along the line V-V in FIG. 3. With reference to these drawings, the excavation device 1
In the tunnel 10 excavated by
A lining layer 12 of 2 is formed. The segment 12 is loaded and carried on a transport vehicle 14 which is movable along a double-tracked rail 13 attached to the bottom of the tunnel 10. A plurality of trots 15 are connected to the transport vehicle 14, and the shears, which are the excavated materials transported by the conveyor 16, are placed on the transport vehicle 14. The vacant Trolley 15 and the transport vehicle 14 on which the segment 12 is mounted are moved by the double-tracked rail 13. Instead of this, on the other rail 13, the trosco 15 on which the slide is loaded and the segment 12 are moved by the transfer means 7 to the first position.
The truck 14 that has been emptied after being delivered to the carry-out means 5 is moved to the end of the tunnel 10, that is, rearward in the excavation direction. Thus, workability is improved.

The moving body 3 is capable of traveling on a rail 17, which is a second rail provided in the lower portion of the tunnel 10, and is configured by connecting a plurality of moving bodies 3 in the excavation direction. Each moving body 3 has a substantially gate-shaped cross section perpendicular to the axis of the tunnel 10, and has a shape that straddles the carriage 14 and trosco 15 on the rail 13 and further the conveyor 16. Since the moving body 3 is composed of a plurality of moving bodies 3, even if the tunnel 10 bends in the horizontal plane and the vertical plane, the moving body 3 can be arranged behind the excavation device 1 and moved. . The moving body 3 is provided with a support member 18 extending in the excavation direction at the rear end in the excavation direction, and is a trolley that is a first bogie that moves along the support member 18 like an arrow 19 in the excavation direction. 20 are provided. The carriage 20 is provided with a moving carriage 22 that moves in a direction 21 perpendicular to the excavation direction. The movable carriage 22 has a vacuum suction means 23, and the vacuum suction means 23 can be angularly displaced about a vertical axis by a drive source 24. Therefore, the excavation direction (left and right direction in Fig. 3)
Of the extending segment 12 is sucked by the vacuum suction means 23, the vacuum suction means 23 and the segment 12 are raised by the drive source 24, and then the drive source 24 raises the 90 degree angle about the vertical axis. It is displaced, and then the vacuum-adsorbed segment 12 is placed on the truck 25 which is the second truck. The movable carriage 25 is movable on the support member 26, which is the second support member of the moving body 3, in the excavation direction indicated by the arrow 19.

The moving carriage 25 has a plurality of rollers 27 arranged so as to be convexly curved upward, and the rollers 27 are driven. In the movable carriage 25, the supporting portion 28 to which the rollers 27 are attached can be displaced up and down from the carriage main body 29 by the lifting means 30 having a mechanism such as a hydraulic cylinder or a pantograph. Therefore, the moving carriage 25 is placed below the segment 12 which is sucked up by the vacuum suction means 23 and lifted up.
Is moved in the contracted state of the elevating means 30 to place the segment 12 on the roller 27. After that, the elevating means 30 is extended, and then the roller 27 is driven to transfer the segment 12 on the roller 27 to the first conveying means 5.

FIG. 6 is a simplified perspective view of a moving body 3b which is a second moving body connected to the moving body 3a which is the first moving body of the moving bodies 3 on the front side in the excavation direction. This moving body 3b
Is movable along the rail 17, and a rail 32, which is a third rail for the first transporting means 5, is provided on the upper portion of the rail.

FIG. 7 is a section line VI of the first conveying means 5 in FIG.
FIG. 7 is a cross-sectional view seen from I-VII. The above-mentioned rail 32 is fixed to the support member 33 on the upper part of the moving body 3, and the rails 32 with the flanges 35 of the plurality of carriages 34 constituting the connecting carriage means on which the segment 12 is mounted are guided. To be done. A receiving piece 36 made of a material such as dust is fixed to the upper portion of the carriage 34, and the segment 12 is placed on the receiving piece 36.

FIG. 8 is a side view showing the carriage 34. A link 37 is fixed to the carriage 34, and a link 38 is interposed between the adjacent carriages 34. The links 37 and 38 form a chain which is an endless cord. Wheels 35 are attached to the pin connecting positions of the links 37 and 38. Multiple, for example 3
A single segment 12 can be supported by one carriage 34. The chain 39 is wound and stretched around winding wheels 40 and 41 arranged in front of and behind the excavation direction. At the lower part of the support member 33 of the moving body 3b, the trolley 3 of the understretched portion is provided.
The rail 42 that supports the four wheels 35 is fixed.

FIG. 9 is a side view showing the conveying means 4 and the unloading-side delivery means 8, and FIG. 10 is a simplified plan view thereof. With reference to these drawings, the segment 12 conveyed by the first conveying means 5 is located in front of the excavation direction (9th section).
It is mounted on a roller table 45 having a plurality of rollers 44 arranged so as to be inclined downward as it goes to the left in the drawing. The segment 12 transfers to the roller table 45, moves downward, and transfers to the second transport means 6.

11 is a sectional view taken along section line XI-XI in FIG. 9, and FIG. 12 is a sectional view taken along section line XII-XII in FIG. The moving body 3c, which is connected to the moving body 3b of the moving bodies 3 on the front side in the excavation direction, can be moved in the excavation direction by the roller 47 mounted in the tunnel 10. In the second transport means 6, the moving bodies 3b, 3c
A large number of rollers 50 are provided on the support members 48 and 49 above the rollers so that the rollers can be conveyed along the direction of excavation to form a roller conveyor. This roller 50 has a vertical line 52 passing through an axis 51 of the tunnel 10.
Are arranged symmetrically with respect to. In order to convey the segment 12 on the rollers 50, the claws 151 are arranged between the rollers 50 at intervals in the excavation direction. This nail 151
It is attached to a long connecting rod 152 extending along the direction of excavation. The connecting rod 152 is reciprocally driven in the excavation direction by the double-acting cylinder 53. The connecting rod 152 includes the support members 48,
It is guided along a slide rail 153 mounted across 49.

FIG. 13 is a simplified sectional view of the claw 151 and its vicinity. The claw 151 is connected to the connecting rod 152 by a pin 54 having a horizontal axis and is urged by a spring 155 backward in the excavation direction (to the right in FIG. 13). Therefore, when the segment 12 is conveyed from the inclined roller table 45 to the front 55 in the excavation direction, the claw 151 moves to the phantom line 15.
As shown by 1a, the segment 12 is allowed to proceed forward 55 in the excavation direction. Next, the cylinder 53
Therefore, when the connecting rod 152, and hence the pawl 151, is driven to be displaced forward 55 in the excavation direction, the pawl 151 is locked at the rear end of the segment 12, and the pawl 151 abuts on the stopper 56 of the connecting rod 152. In this way, the segment 12 is conveyed with the pawl 151 standing up. As the double-acting cylinder 53 is reciprocally driven, the segments 12 are sequentially transported forward 55 in the excavation direction.

In the delivery-side delivery means 8, the section line XIV-X in FIG.
A cross-sectional view taken from IV is shown in FIG. Mobile 3
An elevating member 58 is vertically displaceable by a double-acting hydraulic cylinder 57 on the support member 56 above c. The elevating member 58 has a guide rod 59, and the guide rod 59 is guided by a guide cylinder 60 fixed to the support member 56.
A rotatable roller 61 is attached to the vertical line 52 on the elevating member 58.
Are arranged symmetrically with respect to. Gap 6 between rollers 61
The connecting rod 152 and the claw 150a (see FIG. 9) provided at the foremost end in the excavation direction can enter the connector 3. The segment 12 pushed forward by the claw 150a is transferred onto the roller 61. When this segment 12 is transferred onto the roller 61 from the second conveying means 6, the piston rod of the cylinder 57 is retracted, and the elevating member 58 is in the lowered position.

The segment 12 placed on the roller 61 is lifted as the piston rod of the cylinder 57 extends. The elevated segment 12 is adsorbed by the vacuum adsorption means 64. The vacuum suction means 64 is attached to a moving member 65 formed on an arc in a plane perpendicular to the excavation direction. The moving member 65 is guided by a guide roller 66 provided on the moving body 3c, and a load receiving roller 67.
It is supported by and is movable forward 55 in the excavation direction. As shown in FIG. 9, the moving member 65 has a double-acting hydraulic cylinder 68 for moving the segment 12 to an arrow 55.
It is conveyed forward in the direction of excavation as indicated by.

The elector 9 of the excavation device 1 is rotatable about a horizontal axis, and the vacuum suction means 70 of the elector 9 sucks and receives the lower surface of the segment 12. In this way, the segment 12 from the delivery-side delivery means 8 is delivered to the erector 9. The segment 12 can be stored on the second transport means 6. Therefore, such a segment 12 is not stored in the lower portion of the tunnel 10, and the space in the tunnel 10 can be effectively used, and the workability is improved.

According to the above-mentioned embodiment, since the segment 12 can be continuously transported to the upper part of the tunnel 10, the steps of loading the segment 12 into the erector 9 and assembling the segment can be shortened, and the excavation process can be performed. The efficiency can be increased. In this way, the segment 12 can be automatically carried in to the elector 9. In addition, the mobile unit 3
Since it is divided into a plurality of parts in the direction of excavation, for example, divided as indicated by reference numerals 3a, 3b, 3c as described above, the segment 12 can be smoothly transported even if the tunnel 10 is bent. You can

EFFECTS OF THE INVENTION As described above, according to the present invention, the segments transported by the transport vehicle 14 are the first to third moving bodies 3a and 3a.
b, 3c are moved forward in the excavation direction, and a means for pushing the rear end of the segment in the excavation direction by the claw 151 is provided at the foremost end thereof. The segments can be continuously advanced at the same time and by the same distance, whereby the segments can be smoothly and accurately continuously supplied while the excavation device is moved, and the efficiency of the excavation work is significantly improved. be able to.

[Brief description of drawings]

FIG. 1 is a simplified perspective view of an embodiment of the present invention, FIG. 2 is a simplified perspective view of the vicinity of the carrying-in side delivering means 7, and FIG. 3 is a side view of the carrying-in side delivering means 7. FIG. 5 is a simplified plan view of the loading / unloading means 7, FIG. 5 is a sectional view taken along the section line V-V of FIG. 3, and FIG. 6 is a simplified perspective view of the moving body 3b. The figure is a cross-sectional view of the first conveying means 5 taken along the section line VII-VII in FIG. 1, FIG. 8 is a side view of the carriage 34, and FIG. 9 is a side view of the conveying means 4 and the delivery-side delivery means 8. 10 is a simplified plan view of the conveying means 4 and the unloading-side delivery means 8 shown in FIG. 9, FIG. 11 is a sectional view taken along the section line XI-XI of FIG. 9, and FIG. Is a sectional view taken along the section line XII-XII in FIG. 9, FIG. 13 is a simplified sectional view around the claw 151 and its vicinity, and FIG. 14 is a section view taken along the section line XIV-XIV in FIG. cross section It is a figure. 1 ... excavation device, 2 ... transportation vehicle, 3,3a, 3b, 3c
... moving body, 4 ... transporting means, 5 ... first transporting means, 6
...... Second transport means, 7 ... Incoming side delivery means, 8 ... Outgoing side delivery means, 9 ... Electa, 12 ... Segment, 15 ... Trotco, 16 ... Sliding delivery conveyor,
23, 64 ... Vacuum suction means, 30 ... Lifting means

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Masami Shimoda 3-1-1 Higashikawasaki-cho, Chuo-ku, Kobe-shi, Hyogo Kawasaki Heavy Industries, Ltd. Kobe factory (56) Reference JP-A-62-121245 (JP, A) ) JP-A-64-39500 (JP, A) Actually developed Shou 62-7499 (JP, U)

Claims (1)

[Claims] 1. A segment which moves along a double-tracked first rail 13 extending in a tunneling direction in a tunnel 10 to form a segment,
A carriage 14 that carries and carries the longitudinal direction of the segment in a posture parallel to the extending direction of the rail 13 and a second rail 17 provided on both sides of the first rail 13 in the tunnel 10 In the first moving body 3a having a substantially gate-like shape straddling the transport vehicle 14, the first support member 18 extending in the excavation direction on both sides of the transport vehicle 14 at the upper portion, and the first support member 18 are provided. The first moving body 3a having the second support members 26 extending in the excavation direction on both sides of the transport vehicle 14 below and above the transport vehicle 14, and the excavation direction along the first support member 18. First to move to 19
A carriage 20, a moving carriage 22 provided on the first carriage 20 and moving in a direction perpendicular to the excavation direction, a means 23 for vacuum-adsorbing a segment, and a movable carriage 22 provided with a vacuum-adsorption means 23 around a vertical axis. Driving source 2 that can be displaced by 90 degrees and can be moved up and down
4 and a supporting portion 28 formed by convexly curved to mount a segment on a carriage main body 29 that moves in the excavation direction 19 along the second supporting member 18 is vertically displaced by the elevating means 30. The second carriage 25, which is formed so as to be possible, has a first roller 27 that moves the segment forward in the excavation direction, and the first moving body 3a on the front side in the excavation direction of the first moving body 3a. The third moving member 3b connected to the third supporting member 33, which moves along the second rail 17 and to which the third rail 32 extending in the excavation direction above the second supporting member 26 is fixed. The second moving body 3b which it has and a plurality of connecting carriages 34 are connected by links 37 and 38 to form an endless chain, and the connecting carriage 34 above is the third.
Guided by rails 32, wound around a pair of wrapping wheels 40, 41 arranged in front of and behind the excavation direction and stretched,
A connecting carriage means in which a segment from the second carriage 25 is transferred onto the connecting carriage 34 on the third rail 32 at the rearmost side in the excavating direction by the first roller 27, and a segment in the excavating direction forward of the connecting carriage means. There is a roller table 45 that moves downward by inclining the segment as it goes forward in the excavation direction, and a second rail 17 on the forward side in the excavation direction with respect to the second moving body 3b.
A plurality of claws 151 that move between the second roller 50 and the third moving body 3c that is provided with a large number of second rollers 50 that move along the
Is provided, the claw 151 is connected to a long connecting rod 152 extending along the excavation direction by a horizontal pin 54, and a spring 155 applies a spring force so that the claw 151 is in an upright state. 151, means for tilting forward around the pin 54 in the direction of excavation and passing below the segment, and means for pushing the rear end of the segment in the direction of excavation with the upper end protruding from the second roller 50 when standing up, and reciprocating the connecting rod 152. A segment feeding device including a double-acting cylinder 53 for driving.