JP3055080B2 - Equipment for transporting long materials - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting long material from the ground to an underground work site in a civil engineering construction site or the like.

[0002]

2. Description of the Related Art Generally, when materials are transported from the ground to a tunnel work site in a civil engineering construction site, the materials are attached to a crane installed on the ground and suspended. In this way, the suspended material is suspended from the opening of the shaft and thrown into the work site. After that, move the material horizontally with a trolley hoist to the tunnel connected to the shaft,
This material is transported.

[0003]

However, when the material to be conveyed is a long steel frame or plate, the long material is horizontally moved to the crane in order to stabilize the suspended material. Hang and throw. For this reason, the opening of a hole in a shaft or the like into which the material is to be charged also needs to be formed to be large according to the size of the long material suspended horizontally. In addition, when using a crane to input materials, a crane operator is required on the ground, and a crew or slinger is required on the underground work site, that is, at least two workers are required. . Further, an underground worker needs to unload the material from the crane, sling the material and removing the ball, and these operations are complicated.

[0004] The present invention effectively solves the above-mentioned problems, and an object of the present invention is to provide a long material transfer apparatus which can continuously and transfer long materials from the ground through a shaft and into a tunnel, and which can automate these transfer operations. Aim.

[0005]

According to a first aspect of the present invention, there is provided an apparatus for transporting long material, wherein the long material is continuously transferred from a shaft into a tunnel.
A device for transporting long material to be transported, comprising: a guide rail for guiding the long material from the ground into the tunnel; and a bucket cart that is moved along the guide rail and holds the long material; The guide rail is divided into a plurality of parts by fixing the power supply line, and is arranged along the extending direction of the shaft, and is arranged along the extending direction of the tunnel, and the bucket cart is the bucket cart. And a current collector that supplies power from the power supply line to the driving unit. The device and the roller unit are provided at front and rear ends of a bucket cart, and the current collector is
It is characterized by being arranged on an extension of the central axis of the roller section.

According to a second aspect of the present invention, there is provided an apparatus for transporting long material, wherein the guide rail includes a switching unit for switching the bucket truck to another guide rail. It is characterized by being provided.

According to a third aspect of the present invention, there is provided a long material transport apparatus according to the second aspect, wherein the control section controls the operation of the driving section of the bucket truck and the switching section. Is provided.

[0008]

According to the first aspect of the present invention, the long material is held by the bucket truck, and by moving the bucket truck along the guide rail, the long material is continuously transferred from the shaft into the tunnel.・ Transported. Since the roller unit of the bucket cart is supported by a guide rail, and the bucket cart is moved by the driving unit along the guide rail, the bucket cart moves along the extending direction of the shaft and in the extending direction of the tunnel. Move along. Here, power is supplied from the power supply line of the guide rail to the drive unit by the current collector. Furthermore, the current collector and the roller unit are both provided at the front and rear ends of the bucket cart, and the current collector is disposed on the center axis of the roller unit. The roller is always moved in parallel along the guide rail while maintaining the position on the extension of the axis of the roller. Therefore, even when the guide rail is bent, the current collector is connected to each of the plurality of divided power supply lines, and the long material is continuously and conveyed from the shaft into the tunnel.

According to a second aspect of the present invention, there is provided an apparatus for transporting long material.
In addition to having the function of claim 1, the guide rail is provided with a switching unit that switches the bucket truck to another guide rail, and the traveling direction of the bucket truck is changed by this switching unit.

According to a third aspect of the present invention, there is provided a device for transporting long material.
In the control unit, the operation of the driving unit is controlled, and the operation of the switching unit is controlled. For this reason, long materials are continuously and conveyed unmanned from the shaft into the tunnel.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention for transporting long materials will be described below with reference to FIGS.
As shown in FIG. 1, reference numeral 1 denotes an apparatus for transporting a long material. The apparatus 1 for transporting a long material includes a guide rail 10 for guiding the long material from the ground into a tunnel, and a guide rail 10. And a bucket truck 20 that is moved along and holds a long material.

The guide rail 10 is composed of a rail body 11 for supporting and guiding the bucket cart 20 and a power supply line 12 fixed to the rail body 11. In the figure, the rail main body 11 is formed by arranging two H-section steels in a row and dividing the H-shaped steel into a plurality of pieces in the direction in which the H-shaped steel extends. It is arranged along the extending direction of the tunnel. The power supply line 12 is arranged along the rail main body 11, and is composed of three conductor wires, such as copper, arranged side by side, and a protective cover covering these conductor wires.

The bucket truck 20 includes a cargo truck 21 on which a long material is placed, and the cargo truck 21 is connected to the guide rail 1.
The drive unit 25 is configured to move along zero and a current collector 30 that supplies power to the drive unit 25 from the conductor line of the power supply line 12. Here, the driving unit 2
5 and the freight truck 21 are connected via a bendable connection portion 40. The cargo trolley 21 includes
Roller portion 22 for supporting the rail body 11 of the guide rail 10 are respectively provided in the lower portion of the front and rear ends of the cargo truck 21.

The driving section 25 is rotatably connected to one roller section 22 of the freight truck 21, and is connected to the rail body 11.
A rack 26 such as a chain provided above, a pinion 27 meshed with the rack 26, and a pinion 2
Motor 7 for rotating the motor 7, a control unit (not shown) for controlling the operation of the electric motor 28, and a driving unit 25
Support rollers 29 that support the rail body 11
It is composed of Since a gap is provided between the side surface of the support roller 29 and the side surface of the rail body 11, the pinion 27 meshed with the rack 26 positions the bucket cart 20 on the rail body 11, so that the support roller
-29 and the rail body 11 are prevented from contacting with each other. Here, the support roller 29 and the pinion 27 are disposed in a triangular shape in a side view. Furthermore, since a chain is used for the rack 26, the rail body 1
Since the rack 26 is provided by mounting the chain on the rack 1, the rack 26 is easily provided.

The current collecting device 30 has three current collecting blocks 31 for pressing the respective conductor lines of the power supply line 12 and wiring for connecting the current collecting block 31 to the electric motor 28 . . The current collector 30 and the roller unit 22 are juxtaposed in the width direction of the freight truck 21. That is, the current collecting device 3 is placed on the central axis of the roller portion 22.
0, and the current collecting device 30 includes two rail bodies 1
1 adjacent to one another. Therefore, the current collector 30
A contact portion between the roller unit 22 and the power supply line 12 is provided on an extension of the central axis of the roller unit 22 . For this reason, the guide rail 10
Even if is bent, the current collecting device 30 is always disposed at a predetermined position with respect to the central axis of the roller portion 22 , so that the contact state between the current collecting device 30 and the power supply line 12 is maintained. Become stable.

[0016] The guide rail 10, as shown in FIG. 2, the switching unit 14 for switching the bucket truck 20 with another guide rail 10 is provided. The switching unit 14 is connected to a control unit of the driving unit 25. The switching unit 14 is, for example, lifted by a lifting device 16 such as an electric chain block, a trolley hoist or the like while holding the bucket cart 20, and is turned in a vertical plane to be connected to another guide rail 10 . A guide channel 15, a turntable 17 for rotating the bucket trolley 20 in a horizontal plane and connecting to another guide rail 10 ,
There is a traverser (not shown) that translates the bucket cart 20 in parallel.

FIG. 2 shows a method of continuously and transporting long materials from a shaft into a tunnel by the long material transport apparatus 1.
This will be described with reference to FIG. As shown in FIG.
Bucket truck 2 in guide channel 15 near the opening of
0, and while holding the bucket truck 20, the guide channel 15 is inverted so that the bucket truck 20 is
It is conveyed from the extending direction of 0 to the extending direction of the tunnel. A bucket truck 20 is provided in the guide channel 15 in this tunnel.
While holding the bucket cart 20, the stepped portion 51 formed in the tunnel rotates in the vertical plane.

The stepped portion 51 is connected to a guide rail 10 which is disposed diagonally, and the bucket truck 20 is run on the diagonal guide rail 10. Turntable 1
At 7, the robot is rotated in a horizontal plane and connected to a guide rail 10 in another tunnel. Thus, the long material is continuously and transported from the shaft into the tunnel.

According to such a long material transport apparatus 1, the guide rail for guiding the long material from the ground into the tunnel is provided.
And Lumpur 10 is moved along the guide rail 10,
Because it has a bucket truck 20 for holding long materials,
The long material is held on a bucket cart 20 , and the bucket
By moving the carriage 20 along the guide rail 10 , long materials are transported from the shaft into the tunnel. For this reason, compared with the case where the long material is put into the shaft in a horizontal state, the opening of the shaft may be formed to have a size through which the bucket truck 20 can pass, and the opening area of the opening can be reduced. The safety of the transfer operation can be improved.

The guide rail 10 includes a power supply line 12
Are fixed and are arranged along the extending direction of the shaft, and are arranged along the extending direction of the tunnel. A roller unit 22 to be supported, and a drive unit 25 to move the cargo truck 21 along the rail body 11
And the current collector 30 for supplying power from the power supply line 12 to the drive unit 25, so that the bucket cart 20 moves along the extending direction of the shaft and also moves along the extending direction of the tunnel. I do. Here, the guide rail 10
Power is supplied from the power supply line 12 to the electric motor 28 of the drive unit 25 by the power collection device 30. For this reason, while being able to run the bucket truck 20 automatically,
Since long materials can be transported along the guide rails 10 from the shaft to the tunnel, unloading the long materials, slinging,
The operation of removing the ball can be eliminated, and the workability of transporting the long material can be improved.

Further, the current collector 30 and the roller unit 2
2 is provided at the lower part of the front and rear ends of the cargo truck 21, respectively, and the contact portion between the current collector 30 and the power supply line 12 is disposed on an extension of the center axis of the roller portion 22.
Even when the guide rail 10 is bent with a large curvature, the current collector 30 and the roller unit 22 are moved in parallel along the guide rail 10 and the power supply line 1
2 and the power collecting device 30 are maintained at a constant interval, the power collecting device 30 presses the divided power supply line 12, and the long material is transported from the shaft into the tunnel. For this reason, the power collection device 30 can reliably obtain electric power from the power supply line 12, and can continuously perform the operation of transporting the long material,
This eliminates the need for an operator to signal or sling on the underground work site, thereby improving the safety of the operation of transporting long materials.

Further, since the guide rail 10 is provided with a switching unit 14 for switching the bucket truck 20 to another guide rail, the traveling direction of the bucket truck 20 is changed by the switching unit 14. . For this reason, the necessity of bending the guide rail 10 with a large curvature can be eliminated, and the direction of the bucket truck 20 can be surely changed even in a narrow underground tunnel, and the long material can be transferred to the bucket truck 20. Thus, the workability of transferring long materials can be improved.

Further, the driving unit 2 of the bucket truck 20
5 and a control unit for controlling the operation of the switching unit 14 are provided.
By controlling the switching unit 14, the long material is continuously and conveyed from the shaft to the tunnel without any person. For this reason,
Since long materials can be transported from a shaft to an underground work site fully automatically and continuously, it is possible to eliminate the need for workers to transport long materials and improve the safety of long material transport operations. It is possible to improve the workability of transporting long materials.

[0024]

As described above, according to the apparatus for transporting long material of the present invention, the following effects can be obtained. According to the device for transporting long material according to claim 1, a guide rail for guiding the long material from the ground into the tunnel,
The long material is held by the bucket truck, and the bucket truck is moved along the guide rail. The shaku materials are continuously and transported from the shaft into the tunnel. For this reason, compared with the case where the long material is put into the shaft in a horizontal state, the opening of the shaft may be formed to have a size through which the bucket truck can pass, and the opening area of the opening can be reduced. Work safety can be improved.

[0025] The guide rail is divided into a plurality of parts while fixing a power supply line, and is arranged along the extending direction of the shaft, and is arranged along the extending direction of the tunnel.
The bucket trolley includes a roller unit that supports the bucket trolley on a guide rail, a driving unit that moves the bucket trolley along the guide rail, and a current collector that supplies power to the drive unit from the power supply line. With this configuration, the bucket truck moves along the direction in which the shaft extends, and also moves along the direction in which the tunnel extends. Here, power is supplied from the power supply line of the guide rail to the drive unit by the current collector. For this reason, the bucket truck can be run automatically, and long materials can be transported along the guide rails from the shaft to the tunnel, eliminating the need for unloading the long materials, slinging, and removing the balls. In addition, the workability of transporting long materials can be improved.

Further, the current collector and the roller portion
Provided at the front and rear ends of the bucket cart, the current collector is configured to be disposed on an extension of the center axis of the roller unit, so even when the guide rail is bent, The current collector is moved in parallel along the guide rails while maintaining the position on the extension of the axis of the roller section, the contact state between the power supply line and the current collector is maintained, and the current collector is collected into a plurality of divided power supply lines. The electrical equipment is connected to each other, and long materials are transported from the shaft into the tunnel. For this reason, the power collection device can reliably obtain power from the power supply line, can continuously transport long materials, and can eliminate the need for operators who signal or sling on underground work sites. ,
It is possible to improve the safety of the operation of transporting the long material.

According to a second aspect of the present invention, there is provided an apparatus for transporting long material having the same effects as the first aspect, and the guide rail is provided with a switching unit for switching the bucket truck to another guide rail. With this configuration, the traveling direction of the bucket truck is changed by this switching unit. This eliminates the need to bend the guide rails, ensures that the direction of the bucket truck can be changed even in a narrow underground tunnel, and allows long materials to be directly transferred to the underground work site by the bucket truck. Therefore, it is possible to improve the workability of transporting the long material.

According to a third aspect of the present invention, there is provided an apparatus for transporting long material, which has the effects of the second aspect, and further includes a control unit for controlling the operation of the driving unit of the bucket truck and the switching unit. Since the driving unit and the switching unit are controlled by the control unit, the long material is continuously and conveyed from the shaft to the tunnel without any person. As a result, long materials can be transported from a shaft to an underground work site fully automatically and continuously, eliminating the need for workers to transport long materials and improving the safety of long material transport operations. And the workability of transporting the long material can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a long material conveying apparatus of the present invention.

FIG. 2 is a cross-sectional view showing a transfer operation of the long material transfer device in FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor of long material 10 Guide rail 20 Bucket truck 22 Roller part 25 Drive part 30 Current collector

Continued on the front page (72) Inventor Exit Taneomi 1-3-2 Shibaura, Minato-ku, Tokyo Within Shimizu Corporation (72) Inventor Yuichi Kikuchi 1-2-3 Shibaura, Minato-ku, Tokyo Shimizu Corporation In-company (58) Field surveyed (Int.Cl. ⁷ , DB name) E21F 13/00

Claims (3)

(57) [Claims] Claims: 1. Continuously transfer long materials from a shaft into a tunnel.
A device for transporting long material to be transported, comprising: a guide rail for guiding the long material from the ground into the tunnel; and a bucket cart that is moved along the guide rail and holds the long material; The guide rail is divided into a plurality of parts by fixing the power supply line, and is arranged along the extending direction of the shaft, and is arranged along the extending direction of the tunnel, and the bucket cart is the bucket cart. And a current collector that supplies power from the power supply line to the driving unit. The device and the roller unit are provided at front and rear ends of a bucket cart, and the current collector is
An apparatus for transporting a long material, which is provided on an extension of a center axis of the roller portion. 2. The long material conveying apparatus according to claim 1, wherein the guide rail is provided with a switching unit for switching the bucket truck to another guide rail. Material transfer device. 3. The long material conveying device according to claim 2, further comprising a control unit for controlling the operation of the driving unit of the bucket truck and the switching unit. A transport device for shaku materials.