JP3456866B2 - Segment supply / transport equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, in a shield construction (shield construction method), a segment (tunnel lining material) carried into the tunnel pit side from the ground side through the shaft is transported inside the tunnel pit, and then the erector. The present invention relates to a segment supply / conveyance facility adopted to supply

[0002]

2. Description of the Related Art Conventionally, as this type of equipment, for example, a lining material conveying device disclosed in Japanese Patent Laid-Open No. 4-333800 has been provided. In this conventional configuration, an erector is disposed behind the shield machine, and a trailing carriage integrally connected to the shield machine through a coupling member is disposed behind the erector, and a space below the succeeding carriage is disposed. , A lining material conveying conveyor movable together with the succeeding carriage, a front crane is arranged in the front part of the succeeding carriage, and a rear crane is arranged in the rear part.

According to this conventional structure, by driving the Toro truck by the towing vehicle, a plurality of lining materials placed on the Toro truck are conveyed through the tunnel, and the conveyed lining materials are The back crane transfers the sheets one by one onto the conveyor, and the lining material conveyed to the collector side by the conveyor conveys the sheets one by one to the erector by the front crane.

[0004]

However, according to the above-mentioned conventional structure, by separately providing the conveyors for stocking the segments, the functions are dispersed and the structure becomes complicated, and the conveyors are stocked. Since the heavy weighted segment groups are sent all at once, the size is increased, the driving force is increased, and the noise is increased. Moreover, the trailing carriage, which is made rigid by the shield machine via the connecting member, is a trackless type that is supported and guided by the inner surface of the segment lining, so it cannot absorb the left and right steps and has a large friction resistance during movement. It becomes a thing.

Therefore, the first aspect of the present invention is to provide a segment feeding / conveying facility capable of constructing the stock function of the segment simply and compactly.

A third aspect of the present invention is to provide a segment supply / conveyance facility capable of smoothly moving a rear bogie integrated with a shield machine with reduced frictional resistance. is there.

[0007]

In order to achieve the above-mentioned object, the segment supply / transport facility according to claim 1 of the present invention is supported and guided by the inner surface of the construction segment and integrated with the shield machine. A rear carriage that is automatically moved is installed, and a self-propelled transport carriage that is capable of traveling back and forth along the moving direction is incorporated in the rear carriage, and is loaded into the rear portion of the rear carriage by a segment loading carriage. A transfer device that moves the segment to the rear bogie side is provided .
The segment support part consisting of a pair of left and right supports moves in the direction of movement
The carriage is formed between the pair of left and right supports.
It is free to travel and is supported by the lifting device.
Supports one segment that can be raised and lowered between holding bodies
It is characterized in that a free segment receiver is provided .

Therefore, according to the first aspect of the present invention, the segment carried in by the segment carrying-in vehicle is moved to the segment supporting portion of the rear bogie by the transfer device, and the reciprocating movement of the conveying bogie in the rear bogie is possible. Running motion
Combined with the vertical movement of the segment receiver
This transport cart allows the segment on the segment support to be
By sequentially feeding and transporting the ment groups one by one so as to be in the first-packed state, the segments can be sequentially supplied (supplemented) and stored (stock) in the rear carriage.

[0009]

[0010]

[0011] The segment supply and conveyance equipment according to claim 2 of the present invention, in the configuration of claims 1 Symbol placement above, that the transfer means for transferring the segments supplied by the transport carriage to the erector is provided It is a feature.

Therefore, according to the second aspect of the invention, the frontmost segment can be moved to the erector side via the transfer means to form a new construction segment. Furthermore, in the segment supply / transport facility according to claim 3 of the present invention, in the configuration according to claim 1 or 2 , the shield machine and the rear bogie are connected via a universal joint having a rolling prevention function. It is characterized by being present.

Therefore, according to the third aspect of the present invention, when the rear bogie is moved in a trackless manner with the advance of the shield machine, the universal joint can absorb the frictional resistance that is caused by the left and right steps. Then, the rolling of the rear carriage can be prevented by the rolling prevention function of the universal joint.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.
It will be described with reference to the drawings. 1 and 2, the tunnel shaft 1 is formed by assembling the segments on the inner surface of the tunnel excavated by the shield machine 10, that is, the construction segment 5. Behind the shield machine 10, a rear carriage 20 connected to the shield machine 10 via a universal joint 11 located in the central portion of the tunnel shaft 1 is disposed.

1 to 4, the body of the rear carriage 20 is composed of a front body 21A and a rear body 21A which are integrated by connection.
21B, these front body 21A and rear body 21B are
It is composed of a lower arcuate portion 22 concentric with the inner surface 5a of the construction segment 5 in a front view, an upper frame-like portion 23 laid on the lower arcuate portion 22, and the like. The lower arc-shaped portion 22 has a front protruding portion that protrudes forward from the front body 21A.
22a is formed.

On the lower surface side of the lower arc-shaped portion 22, a roller mount 25 is swung via a horizontal pin 24 at each of a plurality of positions in the moving direction (front-back direction) and two positions distributed in the horizontal direction. These rollers are mounted freely, and a pair of front and rear rollers (wheels) 26 are mounted on these roller mounts 25.
It is provided so as to be freely rotatable via a roller shaft 27 in the left-right direction. Then, the rollers 26 are supported and guided by the inner surface 5a of the construction segment 5, so that the rear carriage 20 is moved integrally with the shield machine 10 in a trackless manner.

On the upper surface side of the lower arc-shaped portion 22, a groove-shaped recess 28 is formed in the central portion in the left-right direction, and a pair of left and right supports 29 located on both sides of this recess 28. The segment support portion 30 made of is formed along the moving direction. The upper surfaces of both support bodies 29 are formed into arc-shaped support surfaces 29a in a front view, and thus the segment support portions 30 are
It is configured to support the segment 6 before construction at a plurality of locations (predetermined pitch shape) in the moving direction. The recess 28
The bottom surface of is formed on the running support surface 31, and on both sides,
A guide rail 32 is provided along the moving direction.

The rear carriage 20 incorporates a self-propelled carriage 40 which can freely travel back and forth along the moving direction.
That is, the carriage 40 is located in the recess 28, the lower part of the main body 41 thereof is provided with traveling wheels 42 which are rollable on the traveling support surface 31, and plural side parts of the main body 41 are provided. A guide roller 43 guided by the guide rail 32 is provided at the location. Further, the main body 41 is provided with a traveling motion device (motor or the like) 44 that is interlocked with the traveling wheels 42 and can be driven in the forward and reverse directions.

A segment receiver 46 is provided above the main body 41 via an elevating device (jack device or the like) 45. The segment receivers 46 are a pair of left and right, and are configured to be movable up and down between both support bodies 29, and are configured to be able to move in and out of the support surface 29a by the vertical movement.
The length is set so that the segment 6 can be supported.

In the front main body 21A of the rear carriage 20, various devices such as an oil tank 34, a conveyor 35 for conveying nuts and washers, a valve stand 36, a bypass unit 37, etc. are utilized by utilizing the upper space thereof. The equipment is arranged and a driver's cab 38 is formed.

1, 5, and 6, an erector (segment assembly device) 50 capable of holding a plurality of segments 6 is disposed between the shield machine 10 and the rear bogie 20. . That is, a workbench 51 is continuously provided rearward from the center of the shield machine 10, and the erector 50 is provided on the workbench 51 so as to be movable back and forth and rotatable. Further, the erector 50 is provided with segment holding means (an example of a delivery means) 52 which can be moved up and down.

The universal joint 11 is provided between the rear end of the workbench 51 and the front end of the front main body 21A, and has a structure adapted to rolling. That is, at the rear end of the workbench 51, a vertical pin 13 is provided via a pair of upper and lower support members 12.
Is provided, and a connecting plate 15 which is fitted onto the vertical pin 13 through the through hole 14 is fixed to the front end of the front body 21A.

Here, the thickness of the connecting plate 15 is reduced with respect to the vertical distance between the support members 12, and the diameter of the through hole 14 is increased with respect to the diameter of the vertical pin 13, so that the vertical pin is The connecting plate 15 is configured to be able to move up and down and rotate with respect to 13. And, the connecting plate before and after the through hole 14
Brackets 16 that can come into contact with the front and rear surfaces of both support members 12 are continuously provided from 15. The universal joint 11 is constituted by the above 12 to 16.

At the rear of the rear carriage 20, there is provided a transfer device 60 for transferring the segment 6 carried in by a segment carrying carriage (described later) to the rear carriage 20 side. That is, in FIG. 1 and FIG. 3, a rail 61 is provided along the front-rear direction by utilizing the upper space of the rear body 21B. The rail 61 is a monorail, and the rail 61 of the ceiling member in the upper frame-shaped portion 23 is It is fixed between the lower surfaces. At that time rail 61
The rear end is projected rearward from the rear body 21B. Further, one (or a plurality of) hoisting and transferring bodies 62 supported and guided by the rail 61 are provided. This lifting carrier
62 are self-propelled type, each of which is provided with a chain block type segment suspension device 63.

At the rear of the rear carriage 20, a segment loading carriage 65 supported and guided by the floor-side rail 2 is arranged. Here, the floor-side rails 2 are laid in a pair of left and right on the scaffolding device 3 that is installed at a level near the middle lower part of the construction segment 5. The segment carry-in trolley 65 is a trolley body 67 having a segment mounting portion 66 formed on its upper surface,
Wheels 68 provided at four corners on the lower surface side of the trolley body 67
Floor side rail 2 through these wheels 68.
Will be supported and guided by.

The operation of the above embodiment will be described below. As the shield machine 10 advances, the rear carriage 20 is integrally moved via the universal joint 11 and the like. At this time, the rear carriage 20 is moved in a trackless manner by the group of rollers 26 rolling on the inner surface 5a of the construction segment 5.

At this time, since the rear carriage 20 is moved in a trackless manner, frictional resistance tends to be generated due to left and right steps and the like. This is because the connecting plate 15 is relative to the vertical pin 13. It can be absorbed by moving up and down or rotating, and thus the rear carriage 20 can be moved smoothly and with reduced frictional resistance.
The rear bogie 20 does not roll largely due to its structure, but has some rolling, and the rolling is prevented by the universal joint 11 from affecting the shield machine 10.

During such a movement, the segment support portion
The numeral 30 supports a plurality of segments 6 in a linear shape to form a storage shape (stock shape). At this time, the segment 6 group is moved forward by the transport carriage 40 (which will be described later) so that the foremost end becomes the first position (reference position) and the second position.
The third position, the first position and the third position are supported.

First, the segment 6 at the first position, which is the foremost end, is taken out of the segment support portion 30 by the carrier 40 and supplied to the operating area of the segment gripping means 52. That is, as shown by the solid line in FIG. 4, the transport carriage 40 in which the segment receiver 46 is descending is moved to the first position, and the segment receiver 46 is raised by the operation of the lifting / lowering device 45 to support the segment. The segment 6 in the first position, which was supported between the two supports 29 of the portion 30, is lifted by this segment receiver 46 as shown in phantom in FIG. Next, the carriage 40 is moved to the portion of the front protruding portion 22a to convey the segment 6 below the work table 51.

Before and after this, the erector 50 has been moved rearward, so that the segment gripping means 52 can be actuated to grip the segment 6 on the transport carriage 40.

Thereafter, the segment receiver 46 is lowered,
Then, as described above, the carriage 40 is moved to the second position to move the segment 6 at the second position to the segment receiver 46.
To lift. Next, transfer the carriage 40 to the front protrusion 22a.
To move the segment 6 below the workbench 51.

At this time, by rotating the erector 50 which holds the segment 6 by one segment holding means 52, the supplied segment 6 can be held by another segment holding means 52. By repeating this, a predetermined number (a plurality) of segments 6 can be gripped by the erector 50. Then, the erector 50 holding a predetermined number of segments 6 is moved forward and stopped facing the excavated tunnel, and then a desired assembly operation is performed, whereby a new construction segment 5 can be formed.

It should be noted that the traveling of the carrier vehicle 40 is performed by the traveling motion device 44.
By forcibly rotating the traveling wheels 42 in the forward and reverse directions by the above, the traveling wheels 42 are supported on the traveling support surface 31, and the guide rollers 43
Is guided by the guide rail 32, and is performed on a fixed path in the recess 28.

During the operation of assembling the erector 50 as described above, the segments located at the positions from the intermediate portion side to the rear end portion side with respect to the plurality of positions on the front end side of the segment support portion 30, that is, the plurality of empty positions. The six groups are sequentially advanced in a pre-filled state by the operation of the carrier truck 40. This is done by operating the transport carriage 40 in the same manner as described above, that is, the transport carriage 40 with the segment receiver 46 descending is caused to travel below the segment 6 at the leading position on the rear end side, and the segment The receiver 46 is lifted to lift the segment 6 supported between the two supports 29 of the segment support portion 30, and then the transport carriage 40 is run to transport the segment 6 to the first position. At position 1, lower between both supports 29.

By repeating this, the segment supporting portion 30
In this case, the segment 6 is sequentially fed, so that the empty position is filled with the segment 6. Then, by such sequential feeding, the position on the rear end side,
Alternatively, the position from the intermediate portion side to the rear end portion side becomes a new empty state, and the transfer device 60 is set to this empty position.
For example, the segment 6 is supplied (supplemented).

That is, for example, a plurality of segments (predetermined number) of the segments 6 carried into the tunnel pit 1 side from the ground side through the vertical shaft are placed on the segment loading portion 66 of the segment loading vehicle 65. Then, the segment loading carriage 65 is caused to travel by the support guide of the floor-side rail 2 so that the segment 6 group can be transported in the tunnel mine 1. At that time, the segment loading carriage 65 can be run by a self-propelled type or a pull type by another device (not shown).

The segment loading carriage 65 that has transported the group of segments 6 in this manner is stopped below the rail 61 of the transfer device 60 as shown by the solid line in FIG. Then, among the group of segments 6 supported by the segment loading carriage 65, the uppermost one segment 6 is moved by the hoisting and transferring body 62 of the transfer device 60 to the segment hoisting device 63.
Hoist through. Then, by moving the hoisting and transferring body 62 by the support guide of the rail 61, the segment 6 can be conveyed into the rear main body 21B as shown by the phantom line in FIG.

The hoisting and transporting body 62 is stopped in the rear body 21B, but the stopping is carried out by making the segment 6 face the unsupported region of the segment supporting portion 30, that is, the empty position. Then, the segment 6 is lowered onto the segment support portion 30 by the suspending motion of the segment suspending device 63.

Next, the empty hoisting and transferring body 62 is returned and run, and the same operation as described above is repeated,
One segment 6 group supported by the segment loading carriage 65 is successively transferred into the rear main body 21B and placed on the segment support portion 30 in order.

Thereafter, the group of segments 6 supported on the segment supporting portion 30 are sequentially fed to the front end side one by one by the transport carriage 40 as described above, if necessary. As described above, the segment 6 carried in by the segment carry-in carriage 65 is moved onto the segment support portion 30 by the hoisting transfer body 62 of the transfer device 60, and then by the transport carriage 40 which can travel back and forth in the rear carriage 20. , The group of segments 6 on the segment support portion 30 are sequentially fed so as to be in a first-packed state, and the frontmost segment 6 is gripped by the segment gripping means 52 on the side of the erector 50, and a new construction segment 5 is created. Can be formed.

During the above-mentioned work, since the rear bogie 20 is towed as the shield machine 10 advances, the floor-side rail 2 for the segment carry-in bogie 65 is extended accordingly. It

In the above embodiment, the shield machine
The 10 and the rear cart 20 are connected by the universal joint 11, but this may be a rigid body type or the like.

In the above embodiment, the segment holding means 52 of the erector 50 also serves as the delivery means, but this is provided with another device at the front end portion of the front body 21A, for example. It may be a format or the like.

In the above-described embodiment, the transfer device 60 uses the lifting transfer body 62 supported and guided by the monorail type rail 61, but this is supported and supported by a pair of left and right rails. It may be a type using a lifting transfer body.

[0045]

According to the first aspect of the present invention described above, after the segment loaded by the segment loading truck is moved onto the segment supporting portion of the rear truck by the transfer device, the segment can be freely reciprocated in the rear truck. Round trip movement of the carrier
Combined with the vertical movement of the segment receiver
This transport cart allows the segment on the segment support to be
By sequentially transporting the ment groups one by one so as to be in the first-packed state, the segments can be sequentially supplied (supplemented) and stored (stock) in the rear carriage. Therefore,
Stock segment features a structure can be performed easily and constitutes a compact without dispersion, also the transport carriage is securely forward conveying segments one by one
By doing so, the size can be reduced and the driving force can be reduced,
Furthermore, noise can be reduced.

[0046]

According to the second aspect of the present invention described above, a new construction segment is formed by transferring the frontmost segment to the erector side via the transfer means.
The segments can be transferred and supplied at any time without stopping them, which enables continuous operation of excavation and segment assembly, which can speed up construction and improve workability.

Further, according to claim 3 of the present invention described above, when the rear bogie is moved in a trackless manner as the shield machine advances, the universal joint absorbs the frictional resistance that tends to occur due to left and right steps or the like. In addition, the rear bogie can be used, so that the rear bogie can be moved stably and smoothly with a small frictional resistance.

[Brief description of drawings]

FIG. 1 is a partially cutaway side view of a segment supply / transport facility, showing an example of an embodiment of the present invention.

FIG. 2 is a vertical cross-sectional rear view of a front main body portion of the segment supply / transport facility.

FIG. 3 is a vertical cross-sectional rear view of a rear main body portion of the segment supply / transport facility.

FIG. 4 is a vertical cross-sectional rear view of a main part of a front main body portion of the segment supply / transport facility.

FIG. 5 is a vertical sectional side view of a universal joint portion of the segment supply / transport facility.

FIG. 6 is a cross-sectional plan view of a universal joint portion of the segment supply / transport facility.

[Explanation of symbols]

1 tunnel pit 2 Floor rail 5 construction segments 5a inner surface 6 segments 10 shield machine 11 Universal 20 rear trolley 21A Leading body 21B Rear body 22 Lower arc portion 22a Forward protrusion 23 Upper framework 26 Laura 28 recess 29 Support 29a Support surface 30 segment support 31 Running support surface 40 carrier 42 running wheels 43 Guide roller 44 Traveling equipment 45 Lifting device 46 segment receiver 50 Erecta 51 Workbench 52 Segment gripping means (passing means) 60 Transfer device 62 Lifting transfer body 65 segment loading truck 66 segment mount

Claims (3)

(57) [Claims] 1. A rear carriage that is supported and guided on the inner surface of the construction segment and is moved integrally with the shield machine, and the rear carriage is a self-propelled type that can travel back and forth along the movement direction. Incorporating a carrier truck of , the rear carriage is provided with a transfer device for moving the segment carried in by the segment carry-in carriage to the rear carriage side in the rear portion of the rear carriage, and the rear carriage is
The segment support part consisting of a pair of left and right supports moves in the direction of movement
The carriage is formed between the pair of left and right supports.
It is free to travel and is supported by the lifting device.
Supports one segment that can be raised and lowered between holding bodies
A segment supply / transport facility characterized by a flexible segment receiver . 2. Segments supplied by a carrier
2. The segment supply / conveyance facility according to claim 1, further comprising transfer means for transferring to the erector . 3. The shield machine and the rear bogie are loli
The segment supply / transport facility according to claim 1 or 2, wherein the segment supply / transport facility is connected via a universal joint having an anti-ringing function .