JPH01263400A - System for conveying materials in tunnel - Google Patents

Abstract

PURPOSE:To attempt great reduction of labor by providing introduction tapes on the traveling course of a material conveying bogie in a tunnel, detecting this on the conveying bogie, and controlling the travel of the bogie based on previously stored travel indication data. CONSTITUTION:Introduction tapes 28..., 29... having a higher light reflectance than that of the surface of a concrete floor is provided on the concrete floor which serves as the traveling course of a conveying bogie 17 for conveying various materials in a tunnel. Then, an optical introduction detector 19 is provided on the conveying bogie 17 to detect the positions of the introduction tapes 28..., 29.... A travel control device 20 determines a traveling course based on the detected positions of the introduction tapes 28..., 29... and previously stored travel indication data to control traveling.

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to an in-tunnel material transport system for transporting materials such as lining materials in tunnels when constructing tunnels for roads, railways, sewers, etc. It is.

``Conventional technology'' Conventionally, when constructing a shield tunnel, a temporary floor for transporting segments is extended from behind as the shield machine excavates, and the temporary floor is placed on a moving transport vehicle to transport the segments. and transport it to the rear of the shield machine,
The primary lining is performed by assembling these segments as the shield machine excavates.

In addition, when constructing a concrete floor in a tunnel, the temporary floor is usually removed after all lining has been completed.
The concrete floor will be constructed after that, but
When the concrete floor is constructed using a precast concrete board (hereinafter referred to as a PC board), the PC board is placed on a transport vehicle and transported.

The transport vehicle that transports materials such as the above-mentioned segments and PC boards moves on rails laid on the "two-legged temporary floor" or the above-mentioned concrete floor, and is towed by a manned Hasoterry car. - It is supposed to move along the rail.

``Problem to be solved by the invention'' However, when transporting materials in a tunnel using the above-mentioned transport vehicle, complicated points are required as branching paths for the rails, making it difficult to lay the rails. It takes a lot of time and is not convenient.

Furthermore, as the concrete floor is stretched, it may be necessary to not only extend the rails but also change the running route, which is time-consuming and prevents shortening the construction period. Furthermore, when rails are laid in a narrow space such as a tunnel, the presence of the rails makes it difficult to find footing, which causes a reduction in work efficiency. Furthermore, the above-mentioned transport vehicles are towed by manned battery cars, and if a large number of them are connected to increase the number of trains, the number of workers must be increased according to the number of trains, which is a problem. This was a hindrance to improving safety.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an in-tunnel material transport system that is easy to install and change a running route, and has high workability and safety.

``Means for Solving the Problems'' The in-tunnel shrine transportation system of the present invention provides a guide tape having a higher light reflectance than the surface of the concrete floor on the concrete floor that serves as the traveling route of the transportation vehicle in the tunnel, An optical guidance detector that detects the position of the guidance tape and a travel control device that determines a travel route based on the output result of the optical guidance detector and pre-stored travel instruction data are installed on the transport vehicle. It is.

"Function" When transporting materials in a tunnel using the material transport system in a tunnel of the present invention, a guide tape having a higher light reflectance than the surface of the concrete floor is applied to the concrete floor in the tunnel in advance. Paste it along the planned travel route of the transport vehicle.

At that time, the above-mentioned guidance tape is pasted in a single character shape at branching roads of the traveling route, the above-mentioned guidance tape is pasted in a curved shape at curves, and when the stop position of the transport vehicle is displayed, the above-mentioned Place a short piece of guidance tape next to the planned route to indicate the stop location. Furthermore, the transport vehicle that runs on the guidance tape includes an optical guidance detector that detects the position of the guidance tape, and a travel control that determines the travel route based on the optical guidance detector and pre-stored travel instruction data. The equipment has not yet been installed.

When transporting materials using such a transportation system, the destination of the transportation vehicle is input in advance into the transportation control device of the transportation vehicle, and after loading the materials onto this transportation vehicle at the material storage area, it is transported outside the tunnel. Operation instructions are given from the central monitoring room. In this way, the optical guidance detector of the transport vehicle irradiates light onto the concrete floor and uses the reflected light to confirm the position of the guidance tape. As a result, the transport vehicle travels while selecting a travel route at each branch of the guidance tape, and furthermore, the optical guidance detector displays a stop position corresponding to the destination inputted to the travel control device. Stop by checking the induction tape for use.

After the materials have been transported to a predetermined position in this manner, they are transferred to a crane or other transport vehicle.

"Example" An embodiment of this invention will be described below.

In this embodiment, the tunnel material transport system of the present invention is applied to lining a shield tunnel using a lining device I as shown in FIG. This lining device 1 is provided with finger parts 3 at both ends of a bridge part 2, and a crane 4 and a truck 5 are provided in the bridge part 2, and the bridge part 2 is located inside the Nord tunnel. Temporary floor 6
The hook is passed between the temporary floor 6 and the concrete floor 7, and the fingers 3 at both ends are supported by the temporary floor 6 and the concrete floor 7, respectively.

The bridge section 2 has a track 8 laid along its length. A pair of finger parts 3 are provided at each end of the bridge part 2 at a distance from each other, and a traveling device 9 is provided at the lower end of each of these finger parts 3.

Each of these traveling devices 9 is placed on tracks l01II-h laid at intervals on both sides of the temporary floor 6"2 or the concrete floor 7"2, and these tracks l01II-h
The entire lining device 1 is moved along the line 0111. In addition, the saw 1 installed on the bridge section 2 is
A truck 5 is mounted on the road 8''. This trolley 5
In this example, a holding device 13 that holds the segment 12 and a lifting device 14 that raises and lowers the holding device 13 are installed (flfi), and the segment 12 is moved into concrete by running the truck 5 with the segment 12 suspended. It is moved from the floor 7 to the temporary floor 6''.

Furthermore, a crane 4 is provided at the bottom of the bipedal bridge section 2. This crane 4 iJ: .

It is constructed by directing an electric hoist 15 in a horizontally movable state, and a precast concrete plate 16 (hereinafter referred to as PCClO2) on a concrete floor 7.
PCClO2 is suspended by two-legged electric hoist 15 and the electric hoist 15 is moved.
It is transported to a predetermined position in the floor defect between the concrete floor 7 and the temporary floor 6.

This Niuna Lining Equipment I is installed behind the concrete floor 7 in parallel with the excavation of the shield machine and the assembly of the segments.
It is used when constructing PCClO
At the same time, the segment I2, which has been transported to the front end of the concrete floor 7 under construction, is transferred to the rear end of the temporary floor 6, and the concrete floor 7 is constructed. The structure is such that the segment 12 can be transported forward without any hindrance even during the process.

Next, a description will be given of the tunnel transport nostem used to transport the segment 12 and PCClO2 to the front end of the concrete 1/floor 7.

In this tunnel material conveyance system, segment +
As shown in FIGS. 1 and 3, the transport vehicle I7 for transporting 2 and PCClO2 has running tires 18 rotated by a drive device on both sides of the bottom. The optical guidance detector 19 has been removed, and the running control device 20, command receiving antenna 21, and rotating warning light 22 are installed on the two sides at the rear.
The loading section 23, which occupies the entire area excluding the rear part, is connected to a lift mechanism 24 such as a hydraulic cylinder.
:It is said that it can be raised and lowered. A safety bumper 25 and a non-contact sensor 26 are installed at both ends of the transport vehicle 17 in the running direction, and when the non-contact sensor 26 detects an obstacle in front, it automatically stops and prevents contact. In addition, even if the vehicle collides with an obstacle, the impact is absorbed by the safety bumper 25. In addition, "biped carrier 17
Emergency stop buttons 27 are installed at the four corners of the top surface of the machine, allowing people nearby to stop the machine immediately if they sense danger.

Further, on the concrete floor 7, there is a guide tape 28 having a higher light reflectance than the surface of the concrete floor 7.
The guide tape 28 is pasted along the planned travel route of the transport vehicle 17 (=1 is pasted). At the branching route of the travel route, the guide tape 28 is pasted in a Y-shape (t tJ, and at curves, the guide tape 28 is pasted). 28 are pasted in a curved shape.Furthermore, short guide tapes 29 for indicating the stop positions are pasted on both sides of the planned travel route, corresponding to the stop positions of the transport vehicle 17. .

If, for example, a segment is to be transported to the bottom of the trolley 5 located at the rear end of the two-legged lining device I using such a transport system, the segment must be transported to the traveling control device 20 of the transporter 17 in advance. After inputting the destination of the trolley 17 (in this case, below the trolley 5) and loading the segments 12 onto the transport trolley 17 at the material storage area, a control signal instructing the operation is sent via wireless from a central monitoring room outside the tunnel. send. In this way, this control signal is transmitted to the travel control device 20 through the command reception antenna 21 of the transport vehicle 17, and as a result, the optical guidance detector I9 of the transport vehicle 17 irradiates light onto the concrete floor 7 and tapes the guidance tape. The transport vehicle 17 travels based on travel instruction data input to the travel control device 20 while confirming the position of the vehicle 28 .

Then, the optical guidance detector 19 is connected to the guidance tape 28.
The transport vehicle 17 travels while detecting each branch road and selecting a travel route on the branch road based on the travel data inputted to the travel control device 20. In addition, if a change in the segment transport plan occurs while the transport vehicle 17 is running, the destination of the transport vehicle 17 must be immediately changed by sending a command from the central monitoring room. You can also do it. In this way, the carrier 17 travels along a predetermined travel route, and the carrier 17 moves to below the carrier 5 of the lining device 1.
1! j, the optical guidance detector 19 confirms the guidance tape for indicating the stop position stuck on the concrete floor 7, and as a result, the travel control device 20 issues a stop command to the travel device of the transport vehicle 17; Transport vehicle 17
stop immediately.

In addition, the PC board 16 is attached to the crane 4 of 1.
Even when conveying to the bottom of the
In the same manner as in the case of transporting the wafer, it is placed on the transport vehicle 17 and transported. Then, after stopping under the crane 4, this transport vehicle I7 will be moved as needed.
Lift up the loading section 23 and lift it onto this loading section 23- using the PCClO2 crane 4. After doing this, the PCClO2 is transported by the crane 4 to a predetermined position in the floor defect, and is laid down to construct a concrete floor 7, thereby extending the concrete floor 7 forward. Each time this concrete floor 7 is extended to a predetermined length, the entire apparatus 1 is moved forward, and at the same time, the temporary floor 6 is sequentially removed from the rear.

On the other hand, the carrier I7, which has carried the segment 12 to the bottom of the carrier 5 located at the rear end of the lining device 1, then moves its loading section 23 as necessary. Lift it up, and in this state lift up and lower the lifting device 14 of the trolley 5.
In this state, by moving the truck 5 along the bridge section 2, the segment 12 is passed over the floor defect section and above the crane 4 to create a temporary floor. 6" Move to 2. Then, the segment 12 is lowered onto the transport vehicle 30 on the temporary floor 6'', and is loaded onto the transport vehicle 30 and transported to the segment assembly site.

In addition, when lining the tunnel in this way,
With the extension of the concrete floor 7, this concrete floor 7
The guide tape 18 pasted on top must also be stretched, but since the transport vehicle 17 mainly runs in the center of the concrete floor 7 under the lining device l, A guide tape pasting device 31 as shown in FIG. 4 is installed in the center of the lining device 1, and the lining device 1
It is also possible to apply the guide tape 28 at the same time as moving the robot forward. The above-mentioned guidance tape pasting timer 1 device 31 (J, at the bottom, a sweeping device 32, an air injector 33, a tape supply device 34, and a tape presser 35 are arranged in a straight line from the front to the rear). It is something that

"Effects of the Invention" According to the in-tunnel shrine transport system of the present invention, a guide tape having a higher light reflectance than the surface of the concrete floor is provided on the concrete floor which is the traveling path of the transport vehicle in the tunnel, 2. The transport vehicle is equipped with an optical guidance detector for detecting the position of the guide tape and a travel control device for determining a travel route based on the output result of the optical guidance detector and pre-stored travel instruction data. This eliminates the need to install large-scale trolley guidance equipment such as rails on the floor, making it possible to downsize the entire material conveyance equipment. You can also make
As a result, it is possible to easily drive a transport vehicle for transporting materials inside the tunnel, and construction work inside the tunnel can proceed quickly. In addition, if the concrete 1/floor stretches forward, the guide tape can be stretched immediately.1 Furthermore, if the material transportation plan is changed, the guide tape can be quickly replaced. . Furthermore, by inputting the destination into the travel control device in advance, the transport vehicle can be automatically moved to the desired location, making it possible to transport materials used in tunnel construction unmanned. It is possible to achieve significant labor savings.

[Brief explanation of the drawing]

Figures 1 to 4 are diagrams showing one embodiment of the present invention, in which Figure 1 is a schematic diagram of a transport vehicle used in a tunnel material transport system, and Figure 2 is a shield tunnel lining method. 3 is a front view of the transport vehicle,
FIG. 4 is a schematic diagram of the guide tape application device. 7 - Concrete floor, 17 Transport vehicle, 19 - Optical guidance detector, 20 Travel control device, 28.29... Guidance tape.

Claims (1)

[Claims] A guide tape having a higher light reflectance than the surface of the concrete floor is provided on a concrete floor that serves as a travel route for a transport vehicle in a tunnel, and an optical guidance detector for detecting the position of the guide tape on the transport vehicle and this optical guidance. What is claimed is: 1. A material transport system in a tunnel, comprising: a travel control device that determines a travel route based on output results of a detector and travel instruction data stored in advance.