JPH089960B2 - Segment transfer device - Google Patents

Description

Detailed Description of the Invention [Industrial applications]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cave that excavates a shaft using a shield machine and assembles a segment on a peripheral wall surface, and particularly relates to a segment transfer device that can automatically transfer a segment to a segment assembly position without using manpower. .

[Prior art]

Generally, when a transmission line or a power transmission line such as a telephone line or a power line is arranged by an underground cable, a side pit having a diameter of 3 to 5 m is arranged so as to be easily repaired later. In order to dig this side shaft, a method using a shield machine in which the force of the jack is used as a propulsive force has been adopted because it is efficient and does not require manual work.
This method is also used for subway construction and sewer construction. That is, the side shaft is automatically dug using a shield machine. This shield machine goes forward while rotating the cutter part at the tip,
The blade attached to the tip scrapes earth and sand, the scraped earth and sand is taken into the shield machine, and the earth and sand is thrown into the screw conveyor provided behind the shield machine from the earth and sand discharge port of the shield machine. As is well known, this screw conveyor moves the sand in the front part of the screw conveyor to the rear part of the screw conveyor by rotating the screw. The earth and sand put into the screw conveyor is discharged from the earth and sand discharge port provided at the lower rear portion of the screw conveyor, and is discharged to the outside from the horizontal shaft by the belt conveyor. In this way, the side shaft is dug by the shield machine, but the promotion of this shield machine is
It is performed by a shield jack provided in the shield machine. That is, the rotation of the cutter of the shield machine scrapes off the earth and sand, and the scraped earth and sand is scraped off by the screw conveyor and discharged to the outside from the side shaft by the belt conveyor. Insert the key segment into the upper wall to make the inner wall inside the tunnel. The legs of the jack rod of the jack are hung on the end of the inner wall formed by this segment, and the jack is driven to propel the shield machine. This segment is one size 1000mm or 1200mm
The width is large and it requires a lot of manpower to carry it by human hands, and it is not possible to speed up the construction.
Therefore, in the past, in order to increase the assembly efficiency of the segment, always stock a plurality of sheets near the excavation position,
It is supplied to the segment assembly position as needed.
Since it is necessary to always stock a plurality of sheets near the excavation position in this way, segment transportation is conventionally done by pulling a rail on the segment wall that has already been assembled from the entrance and using a truck or the like. It is transported to a retractable position, then lifted by a chain block, etc., and moved to the assembly position by a monorail.

[Problems to be Solved by the Invention]

In this way, in the past, since it was transported from the entrance to the position where the rail was drawn with a truck, and then to the segment assembly position by the chain block and the monorail, it took time to assemble the segment and formation of the side shaft There is a problem that the efficiency is low and the cost is increased. The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to automatically transport a segment to a segment assembly position without using a human hand. Is to provide.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the segment transfer device according to the present invention includes a base formed in a ship bottom shape, and at least a part of a wheel protruding from the upper part of the base pivotally supported at both ends of the base so as to be rotatable. From the segment moving wheels that freely move the provided segments, and the frame body moving sled that is rotatably supported on both side ends of the base to move the base in the cylindrical direction of the sinus on the segment wall surface. And a carrier for moving the segment placed on the frame body in the longitudinal direction of the frame body. The carrier is provided with carrier moving means. Further, a guide member having a U-shaped cross section, which is opened inside both side surfaces of the base, is provided over the entire length. In addition, a guide groove having a U-shaped cross section that opens downward is formed over the entire length at the bottom of the base, and a wheel for moving the base is provided in the guide groove at least a part of the wheel. It is rotatably provided so as to protrude from the groove. Further, at least one end of the carrier is fixed to an endless wire suspended by the sheave directly connected to the rotation drive mechanism provided at the end of the frame and the sheave rotatably provided on the frame, with the carrier moving means. Then, the carrier is moved by rotating the sheave by the rotation drive mechanism. Further, the carrier is provided with a locking portion that engages with an end portion of a segment placed on a segment carrier wheel on a plate carrier, and a plate carrier wheel is provided on a lower portion of the plate carrier. It is a thing. Further, a wheel is fitted on the side surface of the plate-shaped carriage so as to be freely rotatable by being fitted to the guide member, and a wheel rolling on the upper surface of a guide groove formed at the bottom of the base is formed on the lower surface of the plate-shaped carriage. It is provided. Furthermore, the engaging portion formed on the plate-shaped carriage is formed substantially at the center of the plate-shaped carriage, and when the segment-mounted distribution plate-shaped carriage is moved to the end of the assembled segment. A wheel that rolls on the inner surface of the shield machine body is provided at the tip of the appropriate position on the lower surface of the plate-shaped trolley so as to project from the tip of the assembly segment It is provided with a column that can be rotated and stored.

[Action]

The shield machine excavates earth and sand by rotating a digging blade provided at the tip. The excavated earth and sand is discharged to the outside of the shield machine by the screw conveyor, and is discharged to the outside of the tunnel by the belt conveyor provided at the rear part of the screw conveyor. After being dug up, a plurality of segments divided in the circumferential direction are sequentially assembled on the peripheral surface and clamped and fixed by a wedge-shaped key segment to form a cylinder. The cylindrically shaped segments are configured to add in the forward direction. This segment is placed on the frame of the segment carrier configured to be movable in the direction of the cave of the cave on the segment wall surface, and is moved to the tip by the carrier on this frame,
When the tip of the carrier is projected from the frame body, the support column housed by the assembly segment extends to support the tip portion of the frame body. The segment is automatically placed on the carrier from the frame by moving the carrier in the distal direction. The segments placed on the carrier are sequentially assembled on the peripheral surface by a shield machine. And
A plurality of segments are sequentially assembled on the entire peripheral surface to form a cylinder. Then, using a jack to shorten the length of the jack, the rod of this shield jack is brought into contact with the tip of a new segment formed in this cylindrical shape, and the rod is extended to propel the shield machine. Form a cave.

【Example】

Examples of the present invention will be described below. FIG. 1 shows an embodiment of the segment transfer device according to the present invention. In the figure, 1 is a cave, which is excavated by the shield machine 2 and propelled to form the shield machine 2. Three
Is a main body formed in a tubular shape and having a plurality of digging blades attached to the rotary shaft in a cross shape at the tip thereof. Further, 4 is a screw conveyor, which conveys earth and sand excavated by a digging blade provided at the tip of the main body rearward by rotating a screw provided inside the tubular body. 5
Is a segment, and 6 is a segment assembling apparatus that lifts the segments and sequentially assembles them on the circumferential surface, and is attached to the shield machine 2. 7 is a segment conveying device, which is a segment assembling device 6
Is for transporting the segment 5 substantially directly below, and is arranged such that the tip end thereof is located substantially directly below the segment assembly device 6. The segment transfer device 7 includes a frame body 8 and a carrier 9. The frame body 8 is configured to be freely movable on the segment wall surface in the tubular direction of the sinus 1. Further, the frame body 8 is
The segment 5 can be movably mounted. This frame 8 is shown in FIGS. Reference numeral 10 denotes a base, which is formed in a ship bottom shape as shown in FIGS. 8 and 10. The bottom surface of the base 10 is formed in the shape of a ship bottom because the wall surfaces of the assembled segments 5 are arcuate in cross section, as shown in FIGS. 8 and 10. On both side surfaces of the base 10, guide members 11 having a U-shaped cross-section and opening inward are provided over the entire length of the base 10. Reference numeral 12 is a segment moving wheel, which is rotatably supported by the guide member 11 at predetermined intervals, and is provided so that at least a part of the wheel projects from the upper portion of the base 10. The segment 5 is mounted on the segment moving wheel 12 as shown in FIGS. 1 and 10, and the segment 5 is moved by rolling of the segment moving wheel 12. The segment moving wheel 12 is, as shown in FIG.
The wheel 12A near the tip of 10 has a lower mounting position than the other segment moving wheels 12. This is because the segment 5 placed on the segment moving wheel 12 is automatically placed on the carrier 9 while traveling. Further, 13 is a sled for moving the frame body, which is rotatably supported at predetermined intervals by guide members 11 provided at both end portions of the base 10 so that at least a part of wheels protrude from the lower portion of the guide member 11. It is provided to do. This sled for moving frame 13
Are in contact with the surface of the inner wall of the segment 5 as shown in FIGS. 8 and 10, and the sled 13 for moving the frame slides on the surface of the inner wall of the segment 5 so that the base 10 moves into the segment 5. It moves on the surface of the inner wall of the cave 1 in the cylinder direction of the cave 1. Therefore, as shown in FIGS. 3, 4, and 5, the mounting position of the sled 13 for moving the frame is determined by the guide member.
It is below the 11th position. In addition, as shown in FIG. 5, FIG. 8, and FIG. 10, the bottom center of the base 10 formed in the shape of a ship bottom has a U-shaped cross-section with its bottom protruding upward and opening downward. Guide groove
14 is formed over the entire length of the base 10. Wheels 15 for moving the base are rotatably supported in the guide grooves 14 at predetermined intervals as shown in FIGS. And
Wheel 15 for moving the base provided in the guide groove 14
Is provided so that at least a part of the wheels protrudes from the base 10 to the lower surface. Reference numeral 16 denotes a carrier drive mechanism housing portion attached to the end of the base 10 in the cylinder direction, and the carrier drive mechanism housing portion 16 is provided with a support portion 17. The supporting portion 17 is for supporting the base 10 at the end portion, and the frame body moving sled 13 is attached to the lower portion thereof. 18 and 19 are sheaves, which are rotatably attached to the base 10. Further, 20 and 21 are rotatably mounted in the carrier drive mechanism housing portion 16 by sheaves. Endless wires 22 and 23 are suspended on the two sheaves 18 and 20 and the sheaves 19 and 21, respectively. This wire 22,
A carrier 9 is fixedly attached to 23 as described later.
In addition, carrier drives 24, 25 are attached to the sheaves 20, 21.
Is connected to rotate the sheaves 20 and 21. The wires 22, 23 are moved by the rotation of the sheaves 20, 21, and the carrier 9 fixed to the wires 22, 23 is moved by the movement of the wires 22, 23. Reference numeral 26 is a roller for guiding the wires 22 and 23, which is rotatably attached to the carrier drive mechanism housing section 16. The carrier 9 moves the segment 5 mounted on the segment moving wheel 12 of the frame 8 in the cylinder direction of the sinus 1 on the frame 8. This carrier 9
This is shown in Figures 7, 7 and 9. Reference numeral 27 denotes a plate-shaped cart having a length that is approximately twice the length of the segment 5. Numerals 28 and 29 are locking portions, which are provided at approximately the center in the cylindrical direction of the sinus passage 1 of the plate-shaped carriage 27 at appropriate intervals, and are mounted on the segment moving wheel 12 as shown in FIG. It is formed in a projection shape that engages with the end of the placed segment 5. Reference numeral 30 denotes a wheel that is laterally mounted, and is axially supported on the side surface of the plate-shaped carriage 27 so as to be rotatable by an appropriate number at predetermined intervals. As shown in FIG. 8, the wheels 30 are fitted to the guide members 11 provided on both side ends of the base 10, and the plate member 27 is provided.
It guides the vertical direction so that the vehicle can travel smoothly. Further, 31 is a wheel mounted in the vertical direction, which is rotatably supported on the side surface of the plate-like member 27 at a predetermined interval so that an appropriate number of wheels can be rotated. As shown in FIG. 8, the wheels 31 are fitted to the guide members 11 provided on both side ends of the base 10 to guide the plate member 27 in the left-right direction so that the plate member 27 travels smoothly. Is. The plate-like member 27 is guided by the guide member 11 by the wheels 30 and 31 and travels smoothly. Numeral 32 is a wheel for moving the trolley, which is located on the lower surface of the plate member 27 and is located in the cave 1
Is rotatably attached at a predetermined interval in the approximate center of the cylinder. As shown in FIG. 8, the wheel 32 for moving the carriage rolls on the upper surface of the guide groove 14 formed at the bottom of the base 10. Numeral 33 is a wheel for moving the carriage, which is rotatably attached to the lower surface of the plate-like member 27 at a substantially regular interval in the center of the tunnel 1 in the cylinder direction, as shown in FIG. This trolley movement wheel 33
Is in contact with the upper surface of the base 10 and rolls on the upper surface of the base 10 in the cylinder direction of the cave 1. Reference numeral 34 is a column having a wheel 35 that rolls on the inner surface of the main body 3 of the shield machine 2 at the tip, and is rotatably provided on the lower surface of the plate member 27 as shown by an arrow A in FIG. . The column 34 provided with the wheels 35 moves on the bottom surface of the base 10 while the plate member 27 is guided by the guide member 11 and pulls the segment 5 placed on the segment moving wheel 12. And reaches the tip of the assembling segment 5. When the segment 5 placed on the segment moving wheel 12 is further moved, the segment moving wheel 12
Disappears, and the segment 5 placed on the segment moving wheel 12 derails from the segment moving wheel 12 and moves to the front half of the plate member 27. That is, the segment 5 is placed on the plate-shaped member 27 and is supported by the plate-shaped member 27. When the plate-shaped member 27 is put out ahead of the tip of the assembling segment 5, it comes into contact with the tip of the assembling segment 5 and pivots in the tip direction of the sinus 1 to extend the stored prop 34. While supporting the tip of the plate-like member 27, the wheels 35 move the tip of the tunnel 1 toward the tip. By doing so, the segment 5 placed on the tip portion of the plate-shaped member 27 is transported substantially directly below the segment assembly device 6. Reference numeral 36 denotes a fixture to which endless wires 22 and 23 suspended from the two sheaves 18 and 20 and the two sheaves 19 and 21 are fixed. With this configuration, first, the segment 5 placed on the truck 50 and conveyed to a predetermined position is placed on the segment moving wheel 12 of the frame body 8. Thereafter, the carrier drive mechanisms 24 and 25 are driven to move and pull back the carrier 9, and the lower side of the segment 5 placed on the segment moving wheel 12 is made to dive.
The engaging portions 28 and 29 of the carrier 9 are engaged with the ends of the. Then, the carrier drive mechanisms 24 and 25 are driven again to move the carrier 9 toward the distal end of the sinus 1 to pull and transport the segment 5. In this way, the plate-like member 27 of the carrier 9 is guided by the guide member 11 and the segment 5 is pulled, and the base 10 is pulled.
As it moves on the bottom surface of, the end of the assembled segment 5 is reached. Further, when the carrier 9 is moved to move the segment 5 placed on the segment moving wheel 12, the carrier 9 comes into contact with the tip end of the assembling segment 5 and rotates toward the tip end of the sinus 1 to be stored. The supporting column 34 that has been extended extends to support the tip of the plate member 27. At this time, the segment 5 pulled by the carrier 9 is dismounted from the segment moving wheel 12 and placed on the front half of the plate member 27,
It is supported by the plate-shaped member 27 and is transported to a position just below the segment assembling device 6. The segment 5 conveyed almost directly below the segment assembly device 6 is assembled on the peripheral surface by the segment assembly device 6. By repeating this, the sequential segment 5 becomes
The sheet is conveyed to a position just below the segment assembling device 6 and is sequentially assembled on the peripheral surface by the segment assembling device 6. When the segment 5 is assembled on the peripheral surface by the segment assembly device 6, the assembly segment 5 extends.
Therefore, the supporting unit 17 is pushed by a moving device (not shown),
The surface is slid by the sled 13 for moving the frame body to advance the base 10. Then, the segment 5 is again connected to the segment assembling device 6
Of the excavation wall, and is assembled by the segment assembling device 6 on the peripheral surface of the excavation wall excavated by the shield machine 2.

【The invention's effect】

Since the present invention is configured as described above,
The following effects are achieved. A base formed in a ship bottom shape, a segment moving wheel pivotally supported at both ends of the base so that at least a part of the wheel protrudes from the upper part of the base to rotatably move the segment, and the base. A frame body composed of a frame body moving sled rotatably supported on both side end portions of the base body to move the base in the tubular direction of the cave on the segment wall surface, and a segment mounted on the frame body. Since the carrier is configured to move in the longitudinal direction of the frame on the frame, the segment can be automatically transported to the segment assembly position without using human hands. Further, since the carrier moving means is provided in the carrier, the segment can be automatically conveyed to the segment assembly position without using human hands. Further, since the guide member having a U-shaped cross-section that opens inward is provided over the entire length on both side surfaces of the base, the segment can be smoothly transported to a predetermined position. In addition, a guide groove having a U-shaped cross-section that opens downward is formed at the bottom of the base over the entire length, and a wheel for moving the base is formed in the guide groove at least a part of the wheel. Since it is rotatably provided so as to project further, the segment can be stably transported. Then, at least one end of the carrier is fixed to a carrier moving means, an endless wire suspended between a sheave directly connected to a carrier drive mechanism provided at an end of the frame and a sheave rotatably provided on the frame, Since the sheave is configured to be rotated by the carrier drive mechanism, the carrier can be moved smoothly. Furthermore, the carrier is provided with a locking portion that engages with the end of the segment mounted on the segment carrier wheel on the plate carrier, and the plate carrier wheel is provided on the lower part of the plate carrier. Since it is composed of a wrench, the segment can be pulled smoothly. In addition, a wheel is fitted to a guide member on the side surface of the plate-shaped carriage so as to be rotatable, and a wheel that rolls on the upper surface of a guide groove formed at the bottom of the base is provided on the lower surface of the plate-shaped carriage. Therefore, the weight of the segment can be sufficiently endured. The locking portion formed on the plate-shaped carriage is formed substantially at the center of the plate-shaped carriage, and when the segment-mounted split-plate carriage is assembled when the segment-mounted carriage is moved to the assembled segment tip. It is configured so as to project from the tip of the ascending segment, and has a wheel that rolls the inner surface of the shield machine body at the tip at an appropriate point on the lower surface of the plate-shaped trolley and contacts the tip of the ascending segment in the direction of the tip of the cave. Since the column that can be rotated and stored is provided, the segment can be automatically conveyed to the segment assembly position without using human hands.

[Brief description of drawings]

FIG. 1 is an overall view of a cave by a shield machine showing an embodiment of a segment transfer device according to the present invention, FIG. 2 is a plan view of a frame body of the segment transfer device shown in FIG. 1, FIG. 3 and FIG.
1 is a side view of the frame body of the segment transfer device shown in FIG. 1, and FIG. 5 is a perspective view of the frame body of the segment transfer device shown in FIG.
6 is a plan view of the carrier of the segment carrier shown in FIG. 1, FIG. 7 is a side view of the carrier of the segment carrier shown in FIG. 1, and FIG. 8 is a front view of the segment carrier shown in FIG. FIG. 9 is a front view of the carrier of the segment transfer device shown in FIG. 1, and FIG. 10 is a partial sectional front view of the segment transfer device. 5 …… Segment 6 …… Segment assembly device 7 …… Segment transfer device 8 …… Frame 9 …… Carrier 10 …… Base 11 …… Guide member 12 …… Segment moving wheel 13 …… Frame moving Sled 14 …… Guide groove 15 …… Base stand moving wheel 17 …… Frame moving means 18,19,20,21 …… Sheave 22,23 …… Wire 24,25 …… Carrier drive mechanism 27 …… Plate-shaped Bogie 28,29 …… Locking part 30,31,35 …… Wheels 32,33 …… Wheels for moving truck 34 …… Struts

Claims (8)

[Claims] 1. A base which is formed in the shape of a ship bottom, and a segment moving wheel which is rotatably supported by both ends of the base so that at least a part of the wheel projects from the upper part of the base and is rotatably provided to freely move the segment. And a frame body composed of a frame body moving sled which is rotatably supported at both side ends of the base body and moves the base body in the cylinder direction of the cave on the segment wall surface, and a frame body mounted on the frame body. A segment transfer device configured by a carrier that moves the placed segment in the longitudinal direction of the frame on the frame. 2. The segment transfer device according to claim 1, wherein the carrier is provided with carrier moving means. 3. The segment transfer device according to claim 1, wherein a guide member having a U-shaped cross section, which is opened inside both side surfaces of the base, is provided over the entire length. 4. A guide groove having a U-shaped cross section opening downward is formed at the lowermost portion of the base over the entire length, and a wheel for moving the base is at least part of the wheel in the guide groove. 4. The segment transfer device according to claim 1, wherein the segment transfer device is rotatably provided so as to project from the guide groove. 5. The carrier moving means has at least a carrier for an endless wire suspended between a sheave directly connected to a rotary drive mechanism provided at an end portion of the frame body and a sheave rotatably provided on the frame body. The segment transfer device according to claim 2, 3 or 4, wherein one end is fixed, and the carrier is moved by rotating the sheave by the rotation drive mechanism. 6. The carrier according to claim 1, wherein the plate-shaped carriage is provided with an engaging portion that engages with an end portion of a segment placed on a segment moving wheel, and the plate-shaped carriage is provided at a lower portion of the plate-shaped carriage for moving. The segment transfer device according to claim 1, wherein the segment transfer device is provided with wheels. 7. A wheel is fitted to the guide member so as to be rotatable on a side surface of the plate-like carriage, and rolls on an upper surface of a guide groove formed at a lowermost part of the base on a lower surface of the plate-like carriage. The segment transfer device according to claim 6, wherein the segment transfer device is provided with a wheel. 8. The locking portion formed on the plate-shaped carriage is formed substantially at the center of the plate-shaped carriage, and when it is moved to the end of the assembled segment, the segment mounting plate is placed. The trolley is configured so as to project from the tip of the assembling segment, and a wheel rolling on the inner surface of the shield machine body is provided at the tip at an appropriate point on the lower surface of the plate trolley to contact the tip of the assembling segment. The segment transfer device according to claim 6 or 7, wherein a column that can be rotated and housed is provided in the direction of the tip of the road.