JPH10280896A - Method for supplying and assembling segment in shield work, and segment supplying and assembling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the workability in the assembling of segments and the extending work of rail by performing the assembling and supply of segments in parallel in a unit of a plurality of pieces, and performing the extending work of rail in a space separate from the segment supplying space. SOLUTION: A segment 6 carried by a segment carrying truck 35 is transferred to a segment storing truck 15. The segment 6 stored in the storing truck 15 is transferred to a segment carrying conveyor 25 by the suspending transfer body 44 of a suspending carrying means 40. A plurality of segments 6 on the carrying conveyor 25 are held by a segment assembling device 20 between a shield excavating machine 10 and the storing truck 15 to form a new construction segment 5. Thus, the assembling work and supplying work of segment are performed in parallel. Floor side rails 2, 3 are simultaneously laid while arranging sleepers 4 in the space between the storing truck 15 and the transfer truck 30. The upper part and lower part of the space can be used in parallel for the carrying route of the suspending carrying means 40 and for the extending work of the floor side rails 2, 3, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment (tunnel lining material) transported from the ground side to the tunnel pit side from the ground side in shield construction (shield construction method).
The present invention relates to a method for supplying and assembling a segment and a device for supplying and assembling a segment in a shield construction employed for assembling after being transported in the tunnel mine.

[0002]

2. Description of the Related Art Conventionally, as this kind of structure, there has been provided a lining material conveying device as disclosed in Japanese Patent Application Laid-Open No. 4-333800, for example. In this conventional configuration, an erector is disposed behind a shield machine, and a succeeding bogie (self-propelled bogie) that moves integrally with the shield machine side is disposed behind the erector, and a lower space portion of the subsequent bogie is provided. In addition, a lining material transport conveyor that is movable with the succeeding bogie is provided, a front crane is provided at the front of the subsequent bogie, and a rear crane is provided at the rear.

[0003] According to this conventional configuration, a tow truck is driven by a tow truck, thereby transporting a plurality of lining materials placed on the trolley truck through a tunnel. The backing crane transfers the lining material one by one onto the starting end of the conveyor, and the lining material conveyed by the conveyor to the rear end of the conveyor is transferred one by one to the erector by the front crane.

[0004]

However, according to the above-mentioned conventional structure, since the assembly and the supply of the segments are performed one by one, the efficiency is not improved, and the operation is performed in a place with a poor footing. In addition, the rails that guide and guide the trailing bogies and toro bogies are stretched while arranging sleepers with the advancement of the shield machine. From that
It must be performed after the segment assembling operation, that is, the segment assembling operation cannot be performed during the stretching operation, and there is a problem in efficiency.

Therefore, according to the first aspect of the present invention, the assembly of the segments and the supply of the segments can be performed in parallel in units of a plurality of sheets, and the work of extending the rail can be performed in a space different from the segment supply space. The purpose is to provide a method for supplying and assembling segments in shield work.

A second object of the present invention is to provide an apparatus for supplying and assembling a segment in a shield work capable of easily and reliably performing the above-described method for supplying and assembling a segment in a shield work. is there.

[0007]

In order to achieve the above-mentioned object, a method for supplying and assembling segments in a shield construction according to claim 1 of the present invention uses a segment carrier truck supported and guided by a floor rail. Transporting a plurality of segments in a tunnel pit, transferring the transported segments to a segment storage truck by a lifting transport means, and storing the segments stored in the segment storage truck in a plurality of segments. Characterized in that it is transferred to a segment transport conveyor via a lifting transport means, and a plurality of segments on the segment transport conveyor are gripped by a segment assembling device that is reciprocally movable between a shield machine and a segment storage cart. It is.

Therefore, according to the first aspect of the present invention, the segment assembling operation and the segment supplying operation can be performed in units of a plurality of sheets in parallel. And, with the advance of the shield machine, the work of extending the floor rail for the segment transport truck is performed by using the lower part of the space not used for the transport route of the lifting transport means, without stopping the transfer and supply of the segment. That is, it can be performed in parallel with the segment assembling operation.

According to a second aspect of the present invention, there is provided a segment supply / assembly apparatus for shield construction, wherein a segment storage truck guided and supported by the inner surface of the construction segment and moved integrally with the shield machine is provided. A segment assembling device capable of gripping a plurality of segments is disposed between the shield machine and the segment storage trolley so as to be reciprocally movable in the moving direction. A segment transport conveyor that is integrally moved with the segment storage truck is provided, and a segment transfer truck and a segment transport truck that are supported and guided by floor rails, respectively, are provided behind the segment storage truck. The segment storage trolley and the segment transfer trolley are integrated via a rail of a lifting and conveying means,
With the lifting transfer body of the lifting transporting means, one segment transported by the segment transport vehicle is transferred to the segment storage truck at a time, and the segment of the segment storage truck is transferred to the segment transport conveyor. Things.

Therefore, according to the second aspect of the present invention, the segment carrier on which a plurality of segments are mounted is run by the support guide of the floor rail, and the group of segments is carried in the tunnel. The segments on the segment transport trolley are simultaneously lifted by the lifting transports of the lifting transporting means, and then the segments are transported into the segment storage trolleys by running the lifting transports by rail support guides. Can be stored. The stored group of segments can be transferred one by one to a segment conveyor by a lifting transfer body, and the segments can be sequentially supplied (supplemented) and stored on the segment conveyor by sequentially feeding.

After the segment assembling apparatus is moved to face the end of the segment transport conveyor, one segment can be gripped. At this time, since the segment transport conveyor having an empty end portion sequentially feeds the group of segments, the next segment located at the end portion of the segment transport conveyor can be gripped by the segment assembling apparatus. A predetermined number (several) of segments can be gripped by the assembly device. A new construction segment can be formed by moving the segment assembling device holding the predetermined number of segments and stopping it in opposition to the excavated tunnel, and then performing the intended assembling operation.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. In FIG. 1, the tunnel 1 is
The segments are assembled on the inner surface of the tunnel excavated by the shield excavator 10, that is, formed by the construction segments 5.

Referring to FIGS. 1 and 3, the shield machine
A segment storage truck 15 integrated with the shield machine 10 is disposed behind the tunnel 10 through a hollow shaft 11 in the front-rear direction located at the center of the tunnel 1. The segment storage cart 15 is a gate-shaped frame body 16 in a front view.
And a sled 17 provided at the lower ends of the left and right legs in the front-rear direction, and a storage receiving plate 18 provided between the lower ends of the left and right legs.
Is supported and guided by the inner surface 5a of the shield excavator 10
It is moved together with. In the front half of the storage receiving plate 18, there are cutouts opened at the front and upper and lower sides.
19 are formed.

Referring to FIGS. 1 and 2, the shield machine
3 pieces (multiple pieces) between 10 and segment storage cart 15
A segment assembling device (electa) 20 capable of gripping the segment 6 is reciprocally movable along the moving direction of the shield machine 10. That is, the main body 21 of the segment assembling apparatus 20 has a ring shape, and is fitted around the hollow shaft 11 so as to be rotatable with respect to the hollow shaft 11 and the hollow shaft 11.
Is configured to be reciprocally movable in the length direction. At three locations (a plurality of locations) in the circumferential direction of the main body 21, segment holding means 22 are provided, respectively.

1 and 4, below the moving path of the segment assembling apparatus 20, that is, from below the hollow shaft 11 to below the notch 19, it is moved integrally with the segment storage cart 15. A segment transport conveyor 25 is provided. That is, the segment conveyor 25
Is a conveyor frame 26 whose rear half is fixed to the lower surface side of the storage receiving plate 18, and which can move up and down with respect to the conveyor frame 26 via a lift device (not shown) and which is movable back and forth by a cylinder device 27. It is composed of a movable table 28 and the like.

Behind the segment storage cart 15, a segment transfer cart 30 and a segment transport cart 35, which are supported and guided by the floor rails 2 and 3, respectively, are arranged. Here, the floor rails 2 and 3 are laid on common sleepers 4 arranged at predetermined intervals, and the segment transfer trucks 30
Floor rails 2 are laid in pairs on the left and right, and a floor rail 3 for the segment carrier 35 is interposed between the floor rails 2.
Are laid in a pair on the left and right.

The segment transfer truck 30 includes a frame main body 31 having the same shape as the frame main body 16 of the segment storage truck 15 described above, and wheels 32 provided at the lower ends of the left and right legs and at a plurality of locations in the front-rear direction. And a transport monorail support member, and is supported and guided by the floor rail 2 via these wheels 32. Further, the segment carrier trolley 35 is composed of a trolley body 37 having a segment mounting portion 36 formed on the upper surface thereof, wheels 38 provided at four corners on the lower surface side of the trolley body 37, and the like. And is supported and guided by the floor rail 3.

In FIG. 1, FIG. 3, and FIG. 4, the segment storage cart 15 and the segment transfer cart 30 are integrated via a rail 41 of a lifting and conveying means 40. The rail 41 is a monorail, and the frame body 1 of the two carts 15 and 30 is used.
It is fixed between the lower surfaces of the ceiling members at 6, 31. At that time, the front end of the rail 41 is located above the start end of the segment conveyor 25, and the rear end is located near the rear end of the segment transfer vehicle 30.

The lifting / transporting means 40 is provided with two (single or plural) lifting / transporting bodies 42, 44 supported and guided by rails 41. These lifting transfer bodies 42 and 44 are of a self-propelled body type, and provided with chain block type segment lifting devices 43 and 45, respectively.

The operation of the above embodiment will be described below. For example, a segment (tunnel lining material) 6 carried from the ground side into the tunnel 1 through the shaft.
Are placed on the segment placement section 36 of the segment transport vehicle 35 by a plurality (predetermined number). Then, the segment 6 group can be transported in the tunnel 1 by running the segment transport vehicle 35 with the support guide of the floor rail 3. At this time, the traveling of the segment transport cart 35 can be performed in a self-propelled manner or in a pulling manner by another device (not shown).

The segment transport vehicle 35 that has transported the group of segments 6 in this way is stopped in the segment transfer vehicle 30 as shown in FIG. It is simultaneously lifted by the lifting transfer body 42 on the rear side. Note that the empty segment transport cart 35 is caused to return to the shaft and travel. Then
By moving the lifting transfer body 42 by the support guide of the rail 41, this one segment 6 is transferred into the segment storage truck 15. Then, the group of segments 6 can be lowered and stored on the storage receiving plate 18 by the hanging motion.

The storage in the segment storage cart 15 is as follows.
It is performed at a plurality of storage positions, such as a storage position close to the notch portion 19 and a storage position away from the notch portion 19, and at that time, the transfer by the lifting transfer body 42 is appropriately performed to an empty storage position. This is done for each car.

In this manner, the group of segments 6 stacked and stored on the storage receiving plate 18 is
By operating the lifting transfer body 44 on the front side in the same manner, the sheet can be transferred one by one onto the rear part of the conveyor frame 26 in the segment transport conveyor 25. Then, the segments 6 are sequentially fed by the segment transport conveyor 25.

That is, the segment conveyor 25 is
By raising the table 28 by the lift device, the group of segments 6 supported on the conveyor frame 26 side can be lifted by the table 28, and the cylinder device
By moving the table 28 to the front side by 27, the group of segments 6 can be moved by one pitch. Next, by lowering the table 28, the group of segments 6 can be lowered to the conveyor frame 26 side, and then, by moving the table 28 backward, the group of segment 6 can be fed forward by the segment transport conveyor 25. Thus, the segments 6 can be sequentially supplied (supplemented) and stored on the segment transport conveyor 25.

In the above description, the state in which the segments 6 transported by the segment transport cart 35 are supplied to the segment transport conveyor 25 has been described. However, in practice, the segments 6 are used as the shield excavator 10 advances. The supply of the 6 groups of segments is performed accordingly.

That is, as the shield machine 10 advances, the segment storage cart 15 and the segment transport conveyor 25 are integrally moved via the hollow shaft 11. At this time, the segment storage cart 15 of the segment transport conveyor 25
As described above, a plurality of (predetermined number) segments 6 are linearly stored in a portion protruding forward from. Therefore, the segment assembling apparatus 20 is
2 in the direction of its length, and as shown by the phantom line in FIG. 2, after facing the end of the segment transport conveyor 25, one segment gripping means 22 is actuated. Can be grasped.

The segment conveyor 25 whose terminal end is empty can sequentially transport the group of segments 6 by one pitch as described above. Therefore, as described above, by rotating the segment assembling apparatus 20 holding the segment 6 by one segment holding means 22 with respect to the hollow shaft 11, the other end of the segment transport conveyor 25 is held by another segment holding means 22. The segment 6 located in the part can be gripped. By repeating this, the segment assembly device
20 allows a predetermined number (plurality) of segments 6 to be gripped.

The segment assembling apparatus 20 holding the predetermined number of segments 6 is moved forward with respect to the hollow shaft 11 and stopped against the excavated tunnel as shown by the solid line in FIG. By performing the assembling operation, a new construction segment 5 can be formed, and this operation is repeatedly performed.

As described above, the segment 6 transported by the segment transport vehicle 35 is transferred to the segment storage vehicle 15, and the segment 6 stored in the segment storage vehicle 15 is transferred to the lifting transport unit of the lifting transport means 40. 44, the segment is transferred to the segment conveyor 25, and the segment assembling device 20 that can reciprocate between the shield machine 10 and the segment storage cart 15 grips the plurality of segments 6 on the segment conveyor 25. ,
A new construction segment 5 can be formed. That is, the segment assembling operation and the segment supplying operation can be performed in parallel.

During the operation as described above, the segment storage trolley 15, the segment transfer trolley 30 and the like are towed along with the advance of the shield machine 10, so that the floor side for the segment transfer trolley 30 is used. The rail 2 and the floor rail 3 for the segment carrier 35 are extended.

That is, in the space between the segment storage cart 15 and the segment transfer cart 30, the floor rails 2 and 3 are laid while laying the sleepers 4. As shown in FIG. 1 and FIG. 4, it is used for the transport path of the lifting transport means 40. Since the lower part of the space is an unused space, the work of extending the floor rails 2 and 3 is performed by transferring the segment 6. Can be performed without stopping, that is, in parallel with the segment assembling work.

In the above embodiment, the lifting and conveying means
As 40, a type using lifting transfer bodies 42, 44 supported and guided by a monorail type rail 41 is shown,
This may be a type using a lifting transfer body supported and guided by a pair of left and right rails.

[0033]

According to the first aspect of the present invention, the segment assembling operation and the segment supplying operation can be performed in parallel in units of a plurality of sheets, so that the efficiency can be improved. Then, the work of extending the floor-side rail for the segment carrier truck with the advance of the shield machine is performed by using a space lower than the space not used for the carrying route of the lifting carrier means, that is, using a space different from the segment supply space. This can be performed at any time without stopping the transfer / supply of the steel, thereby enabling continuous operation of excavation / segment assembling, thereby increasing the speed of construction and improving workability.

According to the second aspect of the present invention,
The segment supply / assembly method in the shield work described above can be easily and reliably performed.

[Brief description of the drawings]

FIG. 1 shows an example of an embodiment of the present invention, and is a partially cutaway perspective view of a segment supply / assembly apparatus in shield work.

FIG. 2 is a partially cutaway perspective view of a segment assembling device in the segment supply / assembly device in the shield work.

FIG. 3 is a partially cutaway perspective view of a segment storage cart in the segment supply / assembly device in the shield work.

FIG. 4 is a partially cutaway perspective view of a segment transfer cart in the segment supply / assembly device in the shield work.

[Explanation of symbols]

 Reference Signs List 1 tunnel tunnel 2 floor rail 3 floor rail 4 sleeper 5 construction segment 5a inner surface 6 segment 10 shield excavator 11 hollow shaft 15 segment storage trolley 17 sled body 18 storage receiving plate 20 segment assembling device 22 segment gripping means 25 segment transport Conveyor 30-segment transfer trolley 35-segment transfer trolley 36-segment mounting part 40 Lifting / transporting means 41 Rail 42 Lifting / transporting body 44 Lifting / transporting body

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Tanaka 4-55, Denboku, Konohana-ku, Osaka-shi, Osaka (72) Inventor Jun Jun Sasaki 1-11, Sakuragicho, Toyama-shi, Toyama Pref. Inside the Company (72) Inventor Yutaka Onishi 1-11, Sakuragicho, Toyama City, Toyama Prefecture Inside Sato Kogyo Co., Ltd. (72) Takeo Tsutsuki, 1-11, Sakuragicho, Toyama City, Toyama Prefecture Sato Kogyo Co., Ltd. (72) Inventor Taiji Hanaoka 5-3-28 Nishikujo, Konohana-ku, Osaka City, Osaka Prefecture Within Hitachi Zosen Corporation

Claims (2)

[Claims] 1. A plurality of segments are transported in a tunnel by a segment transport vehicle supported and guided by a floor-side rail, and the transported segments are transported to a segment storage truck by lifting transport means. The segments stored in the cart are transferred to the segment conveyor which can store a plurality of segments via the lifting and conveying means, and the segment assembling apparatus is reciprocally movable between the shield machine and the segment storage cart. A method for supplying and assembling segments in shield work, characterized by gripping a plurality of segments on a conveyor. 2. A segment storage truck which is supported and guided on the inner surface of the construction segment and is moved integrally with the shield machine, is disposed between the shield machine and the segment storage truck. A segment assembling apparatus capable of holding a segment is reciprocally movable along a moving direction, and a segment transport conveyor that is integrally moved with a segment storage cart is disposed below a moving path of the segment assembling apparatus. Behind the segment storage truck, a segment transfer truck and a segment transfer truck supported and guided by the floor-side rails are provided, respectively, and the segment storage truck and the segment transfer truck are rails of a lifting transfer means. And one segment transported by the segment transport cart by the lifting transporter of the lifting transport means. A segment supply / assembly apparatus for shield work, wherein a segment is transferred to a segment storage truck at a time, and segments of the segment storage truck are transferred to a segment transport conveyor.