JP3051568B2 - Traveling equipment for subsequent equipment of a tunnel excavator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traveling device of a subsequent equipment of a tunnel excavator for moving a carriage and a subsequent equipment of an excavator traveling in an excavated tunnel.

[0002]

2. Description of the Related Art When excavating a tunnel, the operation is performed using an excavator. In addition to the excavator, a bogie for supplying a segment, a bogie for carrying excavated earth and sand, and
A trolley that carries various equipment necessary for the operation, a trolley equipped with subsequent equipment that runs following the tunnel excavator, and the like are required. Each truck is free to travel along rails laid in the tunnel pit.

FIG. 5 shows a traveling device of a subsequent facility of a conventional tunnel excavator. As shown in FIG. 5, a pair of parallel first fixed rails 102 are laid on the ground surface 101 in the tunnel pit, and a pair of parallel second fixed rails are provided outside the first fixed rail 102. A rail 103 is laid. On the first fixed rail 102, a segment supply truck 104 and other unshown excavated sediment transport trucks and equipment transport trucks can travel freely. Also, the second
On the fixed rail 103, a subsequent equipment carrier 105 can travel freely.

[0004] When an excavator (not shown) excavates the bedrock at the front of the tunnel, the segment supply truck 104 moves along the first fixed rail 102 to supply the segments, and the excavated sediment carrying truck also moves. Similarly, it moves along the first fixed rail 102 and piles up the face earth and discharges it to the outside. On the other hand, the trailing equipment carrier 105 moves along the second fixed rail 103 as the excavator advances. Then, the first and second fixed rails 102 and 103 are laid along with the advance during the excavation work.

[0005]

In the above-described traveling device for the subsequent equipment of the conventional tunnel excavator, the following equipment transport vehicle 105 is provided as the tunnel is excavated and then moved forward.
First and second fixed rails 102 and 103 need to be laid in front of the first rail. In addition, many lanes are
Sequentially it is necessary to laying Le. Therefore, it takes a long time to lay the rails, and a place where a new rail is added usually has a small space, and there is a danger of infiltration of groundwater. In addition, it is not possible to bring the machine to handle the rails to the tunnel drilling site, poor working environment, laying work of rail had been done by the human power of most workers. Furthermore, because the number of rails to be laid is very large,
The physical burden on the worker is large, which is not preferable in terms of work safety.

An object of the present invention is to solve such a problem, and an object of the present invention is to provide a traveling device for a subsequent facility of a tunnel excavator, which improves workability and safety.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, a traveling device for a subsequent facility of a tunnel excavator according to the present invention comprises:
A fixed rail installed inside the tunnel along with the excavation of the tunnel, various transport carts movable on the fixed rail, a detachable running rail laid along the fixed rail, and A truck equipped with a movable tunnel excavation trailer, a movable rail mounted on the trailer bogie, and a slope rail capable of connecting the fixed rail and the movable rail. It is.

[0008]

[Function] A trailing bogie for tunnel excavation is movably provided on a traveling rail along a fixed rail, and a moving rail is mounted on the trailing bogie so that the fixed rail and the moving rail can be connected by a slope rail. Thus, the various transport vehicles move on the moving rails of the succeeding equipment truck by the slope rail, and can move to the excavation point by the movement of the subsequent equipment truck. Further, the traveling rail on which the trailing equipment truck travels is detachable, and it is not necessary to lay the entire length of the tunnel by removing the traveled rail and mounting it in front, and the rail laid over the entire length of the tunnel mine may be only a fixed rail.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic diagram of a traveling device of a subsequent facility of a tunnel excavator according to an embodiment of the present invention, and FIG.
3 is a cross-sectional view of the slope rail connecting portion, and FIG.
3 shows a BB cross section of FIG.

As shown in FIGS. 1 and 2, in a traveling device of a subsequent facility of a tunnel excavator according to this embodiment, a pair of fixed rails parallel to a longitudinal direction of a tunnel are provided on a ground surface 11 in a tunnel pit. The fixed rails 12 are sequentially laid in the tunnel space as the tunnel is excavated. Then, on the fixed rail 12, a segment supply truck 13 and a discharge truck 14 for excavated earth and sand,
In addition, various transport carts such as an equipment transport cart (not shown) can run freely.

A pair of parallel running rails 15 along the fixed rails are provided on the outer step portions of the pair of fixed rails 12.
Is laid. The running rail 15 is composed of a plurality of rail portions having a predetermined length, and these rail portions are detachable from each other and detachable from the ground surface 11. A plurality of trolleys 16 and 17 on which the subsequent facilities for tunnel excavation are mounted can run on the traveling rail 15.

A pair of moving rails 18 and 19 which are parallel to each other are laid in the following equipment trucks 16 and 17 over a plurality of trucks. And this moving rail 18,1
A slope rail 20 is provided between 9 and the fixed rail 12. Therefore, the above-mentioned segment supply truck 13 on the fixed rail 12, the excavation soil transport truck 14, the equipment transport truck and the like move to the moving rail 18 or 19 in the subsequent equipment trucks 16 and 17 via the slope rail 20. Is available.

As shown in FIG. 3 and FIG.
2 has a pair of rail portions 21, while the slope rail 20 also has a pair of rail portions 22, and the slope rail 20 has a hollow shape fixed to the lower surface of each rail portion 22 so as to connect them. It is supported by the reinforcing frame 23 to be formed. The slope rail 20 is provided with a point switching device (not shown) between one end (the left end in FIG. 3) and the moving rails 18 and 19, and can move together with the subsequent equipment trucks 16 and 17, and,
The slope rail 20 can be selectively switched between the moving rails 18 and 19. In addition, slope rail 2
The other end (the right end in FIG. 3) is mounted on a fixed rail 12. In addition, the front and rear wheels 24 that can roll on the running rail 15 are attached to the lower surfaces of the subsequent equipment trucks 16 and 17.

Thus, in the traveling device of the subsequent equipment of the tunnel excavator according to the present embodiment, in the excavation work of the excavator, various rails are laid along with the tunnel excavation to advance each bogie. . That is, the fixed rail 12 in the mine is a predetermined bogie equipped with a rail to be added.
The upper part is moved to the front end, and the rail is added and extended as needed. At this time, by using a crane or the like, the rail can be laid directly at a predetermined position from the carriage.

A predetermined number of traveling rails 15 are prepared. As the trailing equipment trucks 16 and 17 move forward, the rails at the rear end (right side in FIG. 1) are removed and moved forward.
It is stretched by repeating the work of reattaching it to the front end of the rail. The moving rails 18 and 19 are the following equipment truck 1
6 and 17, which are connected to the fixed rail 12 by a slope rail 20. The slope rail 20 moves together with the following equipment trucks 16 and 17.

Therefore, when the excavator excavates the bedrock at the front of the tunnel, the segment supply truck 13 moves to the fixed rail 12.
From the following equipment trucks 16 and 1 via the slope rail 20
It moves to the moving rails 18 and 19 in 7 and supplies the segment to a predetermined position. In addition, the excavated sediment carrying truck 14 also moves to the moving rails 18 and 19 in the same manner, and loads face earth and discharges it to the outside. On the other hand, the subsequent equipment transport vehicles 16, 17
Moves along the traveling rail 15 as the excavator advances.

In this embodiment, the following equipment trucks 16 and
Although the moving rails 18 and 19 in 17 are double tracks, the same operation and effect can be obtained with a single track. In addition, the fixed rail 12 in the mine is preferably a single track as in this embodiment from the viewpoint of the use condition of the rail and the installation cost. However, if necessary, a double track rail is laid in the middle of the mine to separate and wait for the bogies. A space that can be used may be secured.

As described above, in the traveling device for the subsequent equipment of the tunnel excavator according to the present embodiment, the following equipment trucks 16 and 17 are provided.
The moving rails 18 and 19 are provided inside, the slope rail 20 is provided, and the traveling rail 15 is detachable, so that only the fixed rail 12 needs to be newly laid along with the tunnel excavation, and the laying position is also changed. Since it is the final end of the following equipment, sufficient space for laying work can be secured, and the constructed tunnel is sufficiently protected against flooding, etc., and the working environment is good and safe Is also expensive. In addition, labor saving and mechanized laying are possible without using physical labor of the operator.

The traveling rail 15 is used for the trailing equipment truck 1.
It is possible to cope with only a slightly longer rail than 6,17, and the absolute amount of rail required for tunnel construction work is greatly reduced, and the laying cost is about 50% as compared with the conventional case .

[0021]

As described above in detail with reference to the embodiments, according to the traveling device of the subsequent equipment of the tunnel excavator of the present invention, the fixed rail installed in the tunnel excavation with the excavation of the tunnel is provided. In addition to making the various transport carts movable, the truck equipped with the following equipment for tunnel excavation is movable on the detachable traveling rail laid along the fixed rail, and the movable rail is mounted on this subsequent equipment cart. Since the fixed rail and the moving rail can be connected by a slope rail, only the fixed rails need to be newly laid along with the tunnel excavation, the number of rails required for tunnel construction work is greatly reduced, and the installation cost Can be reduced. In addition, sufficient space can be secured for the work of laying the rails, and sufficient protection against inundation and the like can be made, the working environment can be improved, and the work time for laying the rails can be shortened. Workability and safety can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic view of a traveling device of a subsequent facility of a tunnel excavator according to one embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

3 is a cross-sectional view of a slope rail coupling portion.

FIG. 4 is a sectional view taken along line BB of FIG. 3;

FIG. 5 is a front view of a traveling device of a subsequent facility of a conventional tunnel excavator.

[Explanation of symbols]

 Reference Signs List 12 fixed rail 13 segment truck 14 excavated earth and sand transport truck 15 running rail 16, 17 trailer equipment truck 18, 19 moving rail 20 slope rail

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Toshifumi Inoue 1-1-1, Wadasaki-cho, Hyogo-ku, Kobe-shi, Hyogo Inside Mitsubishi Heavy Industries, Ltd. Kobe Shipyard (56) References JP-A-60-188599 (JP) , A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E21F 13/02 E01B 23/02

Claims (1)

(57) [Claims] 1. A fixed rail installed in a tunnel excavation in association with excavation of a tunnel, various transport vehicles movable on the fixed rail, and a detachable traveling rail laid along the fixed rail. A truck equipped with trailing equipment for tunnel excavation movable on the traveling rail, a moving rail mounted on the trailing equipment truck, and a slope rail capable of connecting the fixed rail and the moving rail. A traveling device for a subsequent facility of a tunnel excavator.