JP2001349194A - Timbering-erecting vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To conduct erection works for timbering even in a tunnel having a large cross section while improving stability in the case of the transport of the timbering in a timbering-erecting vehicle being used for tunnel excavation works and conducting timbering erecting works. SOLUTION: The timbering-erecting vehicle is composed of a truck 2, gripping moving arm devices 3, a workbench moving arm device 4 and a sliding device 5, and the sliding device 5 independently moving each gripping moving arm device 3 in the longitudinal direction is installed particularly to the truck 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a shoring-built vehicle which is used, for example, in tunnel excavation work and performs shoring-building work.

[0002]

2. Description of the Related Art Heretofore, as this type of shoring-built vehicle, for example, Japanese Utility Model Laid-Open No. 4-17500 and JP-A-9-4189 are known.
No. 6 and JP-A No. 10-26000 are known. The former includes a movable dolly, left and right gripping and moving arm devices provided on the dolly for gripping and moving the shoring, and left and right provided on the dolly and allowing an operator to board and move. And a worktable moving arm device. The latter is a dolly that can be driven,
Left and right gripping moving arm devices that can grip and move the shoring,
A left and right workbench moving arm device provided on a trolley, on which a worker can move while riding, a sliding device for moving the both gripping and moving arm devices and both workbench moving arm devices with respect to the trolley in the front-rear direction, It is composed of

[0003]

However, in the case of the former, since the gripping and moving arm device is fixed to the carriage, the moving distance is short, and in a tunnel having a large cross section, a shoring work can be built. Did not. On the other hand, in the case of the latter, since both the gripping and moving arm devices and both of the worktable moving arm devices move in the front-rear direction with respect to the bogie, the balance greatly changes and the stability is poor. Therefore, even when moving slightly forward,
It was necessary to take outriggers to maintain stability, and it was difficult to transport the shoring stably. SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has been made in order to solve the problem. It is an object of the present invention to provide a shoring-built vehicle capable of improving stability during transportation.

[0004]

SUMMARY OF THE INVENTION A shoring built vehicle according to the present invention is basically composed of a movable trolley, left and right gripping and moving arm devices capable of gripping and moving a shoring, and a trolley. It is characterized by comprising a worktable moving arm device that is provided in the vehicle and can move while riding on the worktable, and a slide device that independently moves each gripping moving arm device with respect to the carriage in the front-rear direction. Exist.

[0005] When carrying the shoring, the gripping and moving arm device is set to the shortest state, and the gripping and moving arm device is moved to the rear side of the bogie by the slide device. The trolley is run by being gripped by the. At this time, the gripping and moving arm device is moved to the rear side of the bogie by the slide device, so that the stability is enhanced. When the shoring is to be built, after the bogie is stopped near the face of the tunnel, the gripping and moving arm device is moved to the front side of the bogie by the slide device, and the gripping and moving arm device is set to the longest state, The supporter is gripped by the gripping and moving arm device and moved to the erected position by the gripping and moving arm device to be built in a predetermined state. At this time, since the gripping and moving arm device is moved to the front side of the bogie by the slide device, the gripping and moving arm device and the shoring can be brought closer to the face of the tunnel, and even if the tunnel has a large cross section. The work of shoring can be easily performed.
When connecting the shoring works, the worker gets on the workbench moving arm device and is moved to the vicinity of the built-in position by the workbench moving arm device, and is performed by the worker. When the shoring is taken in, one of the gripping and moving arm devices is moved to the front side of the bogie by the slide device, and the shoring is gripped and taken in by the gripping and moving arm device. At this time, since only one gripping / moving arm device is slid, the center of gravity does not move so much as stability is impaired, and there is no interference with the other gripping / moving arm device.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side view showing a state of a shoring transport of a shoring built vehicle according to a first example of the present invention. FIG.
2 is a plan view of FIG. FIG. 3 is a side view showing a state in which a shoring work is taken in. FIG. 4 is a plan view of FIG.

The main part of the shoring built vehicle 1 is composed of a cart 2, a gripping and moving arm device 3, a worktable moving arm device 4, and a slide device 5.

The bogie 2 is capable of traveling. In this example, the bogie 2 has front and rear wheels (tires) 7 rotatably provided around a horizontal axis. An outrigger 8, a prime mover 9 such as an engine mounted on the rear side of the vehicle body 6 and rotating the wheels 7, and a driver's seat 10 provided near the rear of the vehicle body 6 are provided. Wheel 7 and prime mover 9
Is a traveling device.

The gripping and moving arm device 3 is a left and right device capable of gripping and moving the support A, and in this example, each of the supports 1
1 and a revolving body 1 provided on the revolving body so as to be revolvable about a longitudinal axis.
2, a revolving cylinder 13 for revolving the revolving body, and a revolving superstructure 1
2. Main boom 14 provided to be able to ascend around the horizontal axis
A boom cylinder 15 for raising and lowering the same, a telescopic boom 16 provided on the main boom 14 so as to be extendable and contractible in the longitudinal direction, and a telescopic boom cylinder 17 for expanding and contracting the same.
An elevating body 18 provided on the telescopic boom 16 so as to be able to elevate around a horizontal axis, an elevating cylinder 19 for elevating the elevating body 18, and a oscillating body 20 provided on the elevating body 18 so as to be rotatable about a vertical axis.
And two links and a swivel cylinder 2 for lowering it
1, an oscillating body 22 provided on the oscillating body 20 so as to be able to ascend around a horizontal axis, an oscillating cylinder 23 for oscillating the oscillating body 20, and an oscillating body 22 provided to be openable and closable in a lateral direction so as to open upward. It comprises left and right gripping bodies 24 capable of gripping the shoring A, and gripping cylinders (not shown) for opening and closing them.

The worktable moving arm devices 4 are provided on the carriage 2 so that an operator can get on and move. In this example, two worktable moving arm devices 4 are provided on the left and right inside the gripping moving arm devices 3. There,
A support 25 provided in the middle of the vehicle body 6, a revolving body 26 provided revolvably about the longitudinal axis, a revolving cylinder (not shown) for revolving the same, and a revolving body 26 A main boom 27 provided to be able to elevate, a boom cylinder (not shown) for elevating the main boom, and a main boom 2
7, two telescopic booms 28 provided to be able to expand and contract in the longitudinal direction, a telescopic boom cylinder (not shown) for expanding and contracting them, and the first telescopic boom 28 being provided so as to be able to descend around the horizontal axis. Basket 29 on which a rider can ride, and a basket cylinder 30 that always lowers the basket 29 by lowering it
And consists of

The slide device 5 moves each gripping and moving arm device 3 independently with respect to the carriage 2 in the front-rear direction.
In this example, two trolleys are provided on the left and right, respectively.
A guide rail 31 provided on the upper surface of the front half of the vehicle body 6 for guiding the support 11 of the gripping and moving arm device 3 so as to be movable in the front-rear direction, and a movement driving means for moving the support 11 of the gripping and moving arm device 3 (Not shown). Rollers (not shown) for smooth movement are provided between the support 11 of the gripping and moving arm device 3 and the guide rail 31. The moving drive means is a cylinder or motor and a chain
It consists of a sprocket mechanism.

In this example, the shoring A has a substantially H-shaped cross section and an arc shape obtained by dividing a substantially semicircular side surface into two right and left parts. Thus, Shoring A is in tunnel B
An appropriate number of cranes (not shown) are placed on a table C placed next to the inside of the inside.

Next, the operation will be described based on such a configuration. When transporting the shoring A, as shown in FIGS. 1 and 2, the gripping and moving arm device 3 and the worktable moving arm device 4 are set to the shortest state, and the gripping and moving arm device 3 is moved to the slide device 5. The trolley 2 is moved to the rear side, and the support A is gripped by the gripping moving arm device 3 so that the trolley 2 travels. At this time, the gripping / moving arm device 3 is moved by the slide device 5
Since it is moved to the rear side, the stability during transportation is enhanced. The motor 2 is controlled by the driver sitting on the driver's seat 10 of the bogie 2, and the wheels 7 are rotated thereby to travel.

When the shoring A is to be built, the bogie 2 is stopped near the face D of the tunnel B, the front and rear outriggers 8 are extended, and the bogie 2 is fixed to the ground E. 3 is moved to the front side of the trolley 2 by the slide device 5, the gripping and moving arm device 3 is set to the longest state, and the supporter A gripped by the gripping and moving arm device 3 is gripped and moved by the gripping arm device. According to 3, it is moved to the building position and built in a predetermined state. At this time, since the gripping / moving arm device 3 has been moved to the front side of the bogie 2 by the slide device 5, the gripping / moving arm device 3 and the support A can be brought closer to the face D of the tunnel B by that much. Even if B has a large cross section, the erection work of the shoring A can be easily performed. In the gripping and moving arm device 3, the revolving body 12 is swiveled left and right with respect to the support 11 by the revolving cylinder 13, the main boom 14 is lowered by the boom cylinder 15, and the telescopic boom 16 is moved by the telescopic boom cylinder 17. Is extended and retracted, and the elevating body 1 is moved by the elevating cylinder 19.
8, the swinging body 20 is swung by the two links and the swiveling cylinder 21, the swinging body 22 and the gripping body 24 are swung by the swinging cylinder 23, and the gripping body is swung by the gripping cylinder. 24 is opened and closed, so that the shoring A grasped by the grasping body 24 can be moved to an arbitrary position. The slide device 5 can move the support 11 of the gripping moving arm device 3 to an arbitrary position in the front-rear direction with respect to the guide rail 31 by the movement driving means.

When connecting the shoring A, an operator rides on the basket 30 of the workbench moving arm device 4 and the worker operates the workbench moving arm device 4 to move it to the vicinity of the standing position. It is moved, and the connection between the left and right supporters A and the connection with the immediately preceding supporter A are performed by the operator. In the workbench moving arm device 4, the revolving body 26 is swung left and right with respect to the support 25 by the revolving cylinder, the main boom 27 is lowered by the boom cylinder, and the telescopic boom 28 is expanded and contracted by the telescopic boom cylinder. The basket 30 is raised by the basket cylinder 29, and the basket 30 can be moved to an arbitrary position while always being kept horizontal.

When the support A placed on the side of the tunnel B via the table C is taken in, as shown in FIGS.
One of the gripping moving arm devices 3 is driven by the slide device 5 to
Is moved to the front side, and the supporter A is grasped and taken in by the grasping and moving arm device 3. At this time, since only one gripping / moving arm device 3 is slid, the center of gravity does not move so much as stability is impaired, and there is no interference with the other gripping / moving arm device 3. Therefore, in this case, it is possible to take in the support A by itself without extending the outrigger 8.

In this embodiment, since a pair of left and right gripping moving arm devices 3 is provided, the erection work A can be erected on both the left and right sides. Since a pair of left and right worktable moving arm devices 4 are provided, the work can be performed by the operator stepping on the left and right at the same time.

Next, a second embodiment of the present invention will be described with reference to FIGS. In the second example, the prime mover 9 of the truck 2 is an electric motor, and an electric device 32 such as a power cable reel is provided on the rear side of the vehicle body 6 of the truck 2 for this purpose.
Others are the same as the first example.

The worktable moving arm device 4 is, in the above example,
Although the number is two on the left and right, the number is not limited to this and, for example, one or three or more may be used.

[0020]

As described above, according to the present invention,
The following excellent effects can be obtained. (1) Since it is composed of a trolley, a gripping / moving arm device, a worktable moving arm device, and a sliding device, in particular, a sliding device for independently moving each gripping / moving arm device in the longitudinal direction with respect to the trolley is provided. In addition, it is possible to carry out the shoring work even in a tunnel having a large cross section, and to improve the stability of the shoring during transportation. (2) Since the slide device for independently moving the gripping and moving arm devices in the front-rear direction with respect to the bogie is provided, it is possible to take in the shoring placed beside the tunnel.

[Brief description of the drawings]

FIG. 1 is a side view showing a shoring transport state of a shoring built vehicle according to a first example of the present invention.

FIG. 2 is a plan view of FIG. 1;

FIG. 3 is a side view showing a shoring state;

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a side view showing a state in which a shoring-built vehicle according to a second example of the present invention is in a shoring state.

FIG. 6 is a plan view of FIG. 5;

[Explanation of symbols]

1 ... Supporting built-in vehicle, 2 ... Bogie, 3 ... Grip moving arm device,
4 ... Work table moving arm device, 5 ... Slide device, 6 ... Car body,
7 ... wheels, 8 ... outriggers, 9 ... motor, 10 ... driver's seat, 11, 25 ... support, 12, 26 ... revolving body, 13 ...
Revolving cylinder, 14, 27: Main boom, 15: Boom cylinder, 16, 28: Telescopic boom, 17: Telescopic boom cylinder, 18: Elevating body, 19: Elevating cylinder, 20
... Rotating body, 21 ... Rotating cylinder, 22 ... Rotating body, 23 ...
Oscillating cylinder, 24 ... gripper, 29 ... basket, 30
... Basket cylinder, 31 ... Guide rail, 32 ... Electrical equipment, A ... Support, B ... Tunnel, C ... Stand, D ... Face, E ... Ground.

Claims (1)

[Claims] 1. A movable platform, a left and right gripping movable arm device capable of gripping and moving a supporter, and a work platform movable arm device provided on the platform and capable of moving while a worker rides on the platform. And a slide device for independently moving each gripping and moving arm device with respect to the bogie in the front-rear direction.