JPH082230Y2 - Shield excavator trailing carriage coupling device - Google Patents

Description

[Detailed Description of the Invention] [Industrial application] The present invention relates to a trailing vehicle connecting device for a shield machine, which connects a trailing vehicle disposed behind a shield machine body and a shield machine body to each other. Is.

[Prior Art] In a shield machine, as shown in FIG. 3, a trailing carriage 2 is arranged behind a shield machine body 1, and a control device and instruments for shield progressing are provided in the succeeding carriage 2. Deck 3 with the shield attached to the rear of the shield machine body 1
Both ends of one pipe 4 are connected to the following bogie 2 and the shield machine main body 1 and the succeeding bogie 2 are connected by the pipe 4.

And the mud pipe 5 when constructing the mud pressure shield construction method
And the sludge discharge pipe 6 was suspended from the pipe 4 by the wire 7.

[Problems to be Solved by the Invention] In the conventional apparatus, the vibration of the shield machine main body 1 is transmitted from the pipe 4 to the flexible mud pipe 5 and the mud pipe 6 via the wire 7, or the mud pipe 5 Since the mud pipe 5 and the mud pipe 6 vibrate due to the pulsation of the mud flow in the mud pipe 6, the life of the mud pipe 5 and the mud pipe 6 is shortened,
In addition, the control device and instruments on the succeeding carriage 2 were adversely affected.

Further, since two pipes, a mud feeding pipe 5 and a mud discharging pipe 6, are hung under the pipe 4, there is a drawback that the space is reduced and a great restriction is imposed on the transportation of the segment.

An object of the present invention is to provide a trailing carriage connecting device for a shield machine, which reduces vibrations of a flexible mud pipe and a mud pipe and allows a space below the connecting device to be wide.

[Means for Solving the Problems] In the trailing vehicle connecting device for a shield machine of the present invention, a trailing vehicle equipped with a control device for the shield machine body, instruments and the like is provided in the rear part of the shield machine body. And the following bogie connecting device of the shield machine, which is connected to the shield machine body, and further has a flexible mud pipe and a mud pipe supported by a succeeding carriage that are connected to the shield machine body, A deck protruding from the rear part of the shield machine main body and a trailing carriage that is arranged rearward of the shield machine main body are connected by a plurality of pipes through pin joints, and the required pipes of the pipes are connected to the feed pipe. It is characterized by being used as a part of mud pipe and drainage pipe.

[Operation] Since the pipes connecting the shield machine main body and the succeeding carriage are used as a part of the mud pipe and the mud pipe, respectively, the flexible parts of the mud pipe and the mud pipe are shortened and vibration is reduced. At the same time, the space below the pipe becomes wider.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 is a side view of an embodiment of the present invention, FIG. 2 is a plan view, 1 is a shield machine main body, 2 is a trailing carriage disposed behind the shield machine main body 1, 3 is a shield It is a deck projecting on the rear part of the excavator body 1.

A vertical bracket 8 is fixed to the rear end of the deck 3, and a joint 9 and a spherical joint 10 are vertically attached to one side of the rear surface of the bracket 8. In addition, trailing carriage 2
A joint 11 and a spherical joint 12 are mounted vertically on one side of the front surface of the joint so that they are at the same level as the joint 9 and the spherical joint 10.

On the upper joint 9 on the bracket 8 side, a joint 14 attached to the front end of the auxiliary pipe 13 is connected by a vertical pin 15 so as to follow the excavation of a horizontally bent tunnel. A flange joint 16 is attached to the rear end of 13. Also, on the upper joint 11 on the side of the trailing carriage 2,
A joint 18 attached to the rear end of the auxiliary pipe 17 is connected by a vertical pin 19 and a flange joint 20 is attached to the front end of the auxiliary pipe 17. And flange joint 1
Flange joints 22 and 23 attached to the front and rear ends of the pipe 21 are coupled to the pipes 6 and 20, respectively. Further, spherical joints 25 and 26 attached to both ends of the pipe 24 are connected to lower spherical joints 10 on the side of the bracket 8 and lower spherical joints 12 on the side of the trailing carriage 2 by vertical pins 27 and 28. .

The upper pipe 21 and the lower pipe 24 have a plurality of connecting rods.
Connected by 29. The upper pipe 21 has branch points 30 and 31, and a short branch pipe 32 branches forward from the branch point 30 and a short branch pipe 33 extends backward from the branch point 31. It is branched. A flexible mud pipe 34 and a solid mud pipe 35 are connected to the front branch pipe 32 to reach the shield machine main body 1,
A flexible mud pipe 36 and a solid mud pipe 37 are connected to the rear branch pipe 33 and extend rearward.

The lower pipe 24 also has branch points 38, 39.
From there is a short branch pipe 40 branching forward,
A short branch pipe 41 branches rearward from the branch point 39. Flexible mud pipe in branch pipe 40 in front
42, a solid sludge discharge pipe 43 is connected to reach the shield machine body 1, and a flexible sludge discharge pipe 44 and a solid sludge discharge pipe 45 are connected to the rear branch pipe 41 and extend rearward. ing.

Conventionally, the solid mud pipes 37 and 35 were connected by a flexible mud pipe, and the solid mud pipes 43, 45 were connected by a flexible mud pipe. The length of the sludge pipe was long, but in the present invention, the space between the branch points 31 and 30 of the upper pipe 21 is used as a part of the mud transport pipe, and the branch points 38 and 39 of the lower pipe 24 are used. Since the space is used as a part of the sludge pipe, the length of the flexible mud pipes 36, 34 and the length of the flexible mud pipes 42, 44 are both shorter than conventional ones. I will end up.

As shown in FIG. 2, a joint 46 is attached to the other side of the rear surface of the bracket 8 at the rear end of the deck 3 at the rear of the shield machine main body 1, and the other side of the front surface of the trailing carriage 2 has a joint 46. The joint 47 is attached so as to be at the same level. A joint 49 attached to the front end of the connecting rod 48 is connected to the joint 46 on the side of the bracket 8 by a horizontal pin 50, and the joint 47 on the side of the succeeding carriage 2 is connected to the joint 47 described above. Rod
A joint 51 attached to the rear end of 48 is connected by a horizontal pin 52.

When excavating the tunnel substantially horizontally with the shield machine 1 main body, pull out the pins 50 and 52, remove the connecting rod 48, and remove the pipe 2
1, the shield machine main body 1 and the succeeding carriage 2 are connected by the auxiliary pipes 13 and 17 and the pipe 2. Then, mud water is sent to the shield machine 1 by the mud pipes 37, 36, the branch pipe 33, the pipe 21, the branch pipe 32, and the mud pipes 34, 35, and the drain pipes 43, 42, the branch pipe 40, the pipe 34, Muddy water is discharged from the shield machine main body 1 by the branch pipe 41 and the mud discharge pipes 44 and 45 to proceed. In the place where the tunnel is curved, the pipes 21, 24 and the shield machine main body 1 are curved left and right with the vertical pins 19, 28, 15, 27 as the center of rotation.

When excavating a steep tunnel with the shield machine main body 1, the joints 49 and 51 at both ends of the removed connecting rod 48 are connected to the joints 46 and 47 by the pins 50 and 52, and the pins 15 and 19 are connected. At the same time as pulling out, the flange joints 16 and 22 are disconnected from the flange joints 23 and 20 to remove the direction pipes 13 and 17. As a result, the shield machine 1 and the succeeding carriage 2 are connected to each other by the pipe 24 and the connecting rod 48, and the pipe 21 is not connected to the shield machine 1 and the succeeding carriage 2 but through a plurality of connecting rods 29. The pipe 24 is supported. In this state, the shield machine 1 is constructed by the mud pipes 37, 36, the branch pipe 33, the pipe 21, the branch pipe 32, and the mud pipes 34, 35.
Send muddy water to, mud pipes 43, 42, branch pipe 40, pipe 2
4, the branch pipe 41 and the mud discharge pipes 44, 45 discharge the mud water from the shield machine main body 1 to proceed. For steep slopes, the pipe 24, the connecting rod 48, and the shield machine main body 1 rotate vertically with the spherical joints 12, 26, 24, 10 and the horizontal pins 52, 50 as rotation centers. Adapt.

[Advantage of the Invention] Since the present invention utilizes a plurality of pipes connecting the shield machine main body and the trailing truck as a part of the mud pipe and the mud pipe, respectively, the mud pipe and the mud pipe are flexible. The length of the part is shortened, vibration is reduced, the life of the mud pipe and the mud pipe is extended, and the control device and instruments on the succeeding carriage are not adversely affected.

Furthermore, the space below the location where the pipe is used as a mud pipe and a mud pipe is wide because there is no mud pipe or mud pipe, and there are less restrictions on the transportation of segments.

[Brief description of drawings]

FIG. 1 is a side view of one embodiment of the present invention, FIG. 2 is a plan view,
FIG. 3 is a side view of the conventional device. In the figure, 1 is a shield machine main body, 2 is a trailing truck, 3 is a deck, 21 and 24 are pipes, 34, 35, 36 and 37 are mud pipes, 42, 43 and 4
4,45 shows a sludge pipe.

Claims (1)

[Scope of utility model registration request] 1. A trailing carriage having a control device and instruments for the shield machine main body mounted on the rear portion of the shield machine main body, connected to the shield machine main body, and further supported by the succeeding carriage. A trailing truck connecting device for a shield machine, wherein flexible mud pipes and sludge pipes are connected to the shield machine body, and a deck protruding from the rear of the shield machine body and the shield machine body. A plurality of pipes are connected to a succeeding trolley arranged at the rear of the pipe through a pin joint, and the required pipes of the pipes are used as a part of the mud sending pipe and the mud discharging pipe. A trailer truck connecting device for shield machine.