JPH08303194A - Segment assembling device with slide scaffolding - Google Patents

Abstract

PURPOSE: To improve workability by a method wherein a slide deck comprising a fixing frame, a moving table, and a moving table driving device is mounted on a working deck for assembling segments installed in the rear of a shield machine. CONSTITUTION: A worker steps on a working deck 11 and segments are assembled, in order, on the inner surface of an excavated tunnel. When there is a need for a work on a tunnel wall surface spaced away from the deck 11, a drive device 16 is operated, a moving table 17 is slid toward fixing frame 13 along a tunnel wall surface and the moving table 17 is extended from the deck 11. The worker is then transferred to the moving table 17 to effect a necessary work. Further, after completion of the work, the moving table 17 is slid over the fixing frame 13 and returned to a retraction position. This constitution performs easy and safe execution of a work in a position spaced away from a segment assembling device without moving the segment assembling device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a segment scaffold with a slide scaffold, and more particularly to a segment assembly device in which a slide scaffold is attached to a work deck for assembling and installing a segment on the inner surface of a tunnel in tunnel excavation work using a shield machine.

[0002]

2. Description of the Related Art Conventionally, in tunnel excavation work by a shield machine, a segment is installed on the inner surface of the tunnel by a segment assembly device called an erector arranged behind the shield machine. Various types of segment assembling devices are known, such as fully automated ones and partially mechanized ones.

[0003]

Among the segment assembling apparatuses having various types as described above, a work deck is always involved because the operator is always involved in the segment installation except for a completely automated one. The operator mounts the work deck to assemble the segments. In that case, it may sometimes be necessary to work on a tunnel wall slightly separated from the work deck of the segment assembling apparatus.

In such a case, the segment assembling apparatus must be moved to a position where an operator can safely work. However, since many workers are on the work deck of the segment assembly device and each worker is in charge of their own work, in order to move the segment assembly device, the progress status of each of those workers is taken into consideration. Must. Therefore, the work on the tunnel wall surface that is off the work deck of the segment assembling device needs to be performed in coordination with other workers, and it cannot be performed immediately, and its setup is very difficult.

An object of the present invention is to solve the above-mentioned conventional problems, and to move the segment assembling apparatus in a segment assembling operation at a position where the segment assembling apparatus is too far away to operate. It is an object of the present invention to provide a segment assembly device with a slide scaffold that can be easily and safely carried out.

[0006]

The present invention is a segment assembly device with a slide scaffold, which is configured as follows to solve the above-mentioned technical problems. That is,
The present invention relates to a segment assembly device including a work deck 11 installed behind a shield machine to assemble and install a segment on an inner surface of a tunnel that is excavated, and a slide scaffold 12 attached to the work deck 11. 12 is a fixed base 13 attached to the working deck 11, a movable base drive device 16 supported by the fixed base 13, and a movable base drive device 16 is slidably arranged on the fixed base 13. It is characterized in that it is composed of a movable base 17 which is interlocked with 16. The constituent elements of the present invention will be individually described below.

(Fixed Base) The fixed base 13 includes two guide support rails 14. This guide support rail 1
Reference numerals 4 each have a U-shaped cross section, and are arranged in parallel on a plurality of sleepers 15 with a space therebetween so that their openings face each other. These materials are relatively rigid wood, iron, which can support the movable base described later,
Aluminum or the like can be used.

(Movable Table Driving Device) As the movable table driving device, a piston cylinder device 1 which operates by hydraulic pressure or air pressure is used.
6 is preferably used, but an electric motor or the like can also be used. When an electric motor is used, a gear or a pulley may be attached to the rotary shaft of the electric motor and the driving force may be transmitted to a rack or a wire attached to the movable table so that the electric motor is driven.

(Movable base) The movable base 17 is the fixed base 1 described above.
It is installed so that it can be moved over 3. Specifically, two elongated sliding members 18 slidably arranged in each guide rail 14 having a U-shaped cross-section that constitutes the fixed base 13, and arranged along the guide rail 14 at intervals. And a plurality of ledges 19 each having both ends connected to the sliding member through the inner openings of the guide rails 14, and a base plate 2 fixed to the upper surface of the plurality of ledges 19 as supporting members.
0. As a material for forming the movable table 17, wood having rigidity similar to that of the fixed table 13,
Iron, aluminum, etc. can be used.

[0010]

According to the segment assembly device with slide scaffolding according to the present invention, an operator rides on the work deck 11 of the segment device with slide scaffolding installed behind the shield machine, and the segments are sequentially installed on the inner surface of the excavated tunnel. To go. Such a work process is exactly the same as the work performed in the conventional segment assembly apparatus.

If it is necessary to perform work on the tunnel wall away from the work deck 11 during such segment installation work, the slide scaffold drive device 16 is operated to fix the movable table 17. Slide the platform 13 along the tunnel wall in the direction of the scheduled work position to move the platform 1.
7 is extended from the work deck 11. Then, the worker moves onto the movable table 17 and moves to the scheduled work position, where necessary work is performed.

When the work at the scheduled work position is completed, the movable table 17 is again slid on the fixed table 13 and returned to the retracted position for storage and storage.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The slide scaffolding segment assembly apparatus of the present invention will be described in more detail with reference to the embodiments shown in the drawings. 1 and 2 show a segment assembly device 10 with a slide scaffold according to an embodiment of the present invention. This segment assembly device 10 with slide scaffold
Is a work deck 1 installed behind the shield machine S for assembling and installing the segment P on the inner surface of the excavated tunnel.
1 is provided.

The working deck 11 of the segment assembling apparatus 10 in this embodiment comprises a deck portion 11a installed at the uppermost portion and deck portions 11b and 11c formed in two stages on both sides of the deck portion 11a. There is. The operator uses these deck parts 11a, 11b, 11
Although the work such as the installation of the segment P is performed by riding on c, the construction of such a work deck is the same as the conventional one, and therefore, further description will be omitted.

In the segment assembly apparatus 10 of this embodiment, the slide scaffold 12 is attached to the lower portion of the middle deck section 11b. The slide scaffold 12 includes a fixed base 13 installed on a shelf 10b that is firmly supported by the frame 10a of the segment assembling apparatus 10 and the like below the deck 11b.

As shown in FIGS. 3 to 7, the fixed base 13 is provided with parallel guide support rails 14 on both sides, and each of the guide support rails 14 has a U-shaped cross section so that its opening faces each other. And a plurality of sleepers 15 are arranged in parallel with each other at intervals. As a material for forming the fixed base 13, it is possible to use relatively rigid wood, iron, aluminum or the like capable of supporting a movable base described later.

A cylinder portion 16a of a piston-cylinder device 16 which is pneumatically operated is fixed to one of the sleepers 15 constituting the fixed base 13. Further, a movable base 17 is further slidably arranged on the fixed base 13, and at the same time, an end of a piston rod portion 16b of a piston cylinder device 16 is connected.

The movable table 17 includes two slender sliding members 18 slidably arranged in each guide supporting rail 14 having a U-shaped cross section which constitutes the fixed table 13, and along the guide supporting rail 14. A large number of piers 19 arranged at intervals, each end of which is connected to a sliding member through the inner opening of each guide support rail 14, and fixed to the upper surface of the plurality of piers 19 as a support material. And a base plate 20 that has been formed.

As the material for forming the movable table 17, it is possible to use wood, iron, aluminum, etc., which have the same rigidity as the fixed table 13. The slide scaffold 12 configured as described above is usually in a stored state in which the movable table 17 is stacked on the fixed table 13. When an operator riding on the deck portion 11b of the work deck 11 of the segment assembly device 10 is performing the segment installation work, the deck portion 11b
When it is necessary to perform work in a place where the operator cannot reach, the piston / cylinder device 16 is driven to extend the piston rod portion 16b, and the movable table 17 is attached as shown in phantom in FIG. The movable base 17 is moved with respect to the fixed base 13, and thus the movable base 17 is extended from the deck portion 11b.

After that, the operator moves to the movable table 17 to reach the desired work site, performs the desired work, returns to the deck portion 11b again, and operates the piston cylinder device 16 to move the movable table 17 to the original storage position. Pull in. In this way, the movable table 17 is slid between the storage position and the work position as needed, so that the movable table 17 does not interfere with the normal segment installation work.

In addition, in the segment assembly device 10 with slide scaffold of the above-mentioned embodiment, the piston cylinder device 16 is used as a power unit for moving the movable base 17 of the slide scaffold 12, but the present invention is not limited to this. It is not limited. For example, instead of the piston cylinder device 16, an electric motor or the like can be used.

When an electric motor is used, a gear is attached to the rotary shaft of the electric motor, while a rack is attached to the movable table 17 so as to mesh with the gear attached to the rotary shaft of the electric motor. A pulley is attached to the rotary shaft of the electric motor, one end of the wire wound around the pulley is connected to the tip of the movable base 17, and the other end is connected to the movable base 17.
Even if it is connected to the rear end of the
Can be slid against.

[0023]

As described above, according to the segment assembling device with slide scaffolding of the present invention, it is possible to easily and easily perform work at a position where the segment assembling device is too far away to work, without moving the segment assembling device. You can do it safely.

[Brief description of drawings]

FIG. 1 is a plan view schematically showing a segment assembly device with a slide scaffold according to an embodiment of the present invention.

2 is a front view of the segment assembly device with slide scaffolding shown in FIG. 1, taken along line 2-2. FIG.

3 is a plan view showing only a slide scaffold in the segment assembly device with slide scaffold shown in FIG. 1. FIG.

4 is a cross-sectional view of the slide scaffold taken along line 4-4 of FIG.

5 is a cross-sectional view of the slide scaffold taken along line 5-5 of FIG.

6 is an enlarged cross-sectional view showing a relationship between a guide rail of a fixed base and a sliding member of a movable base in the slide scaffold shown in FIG.

7 is a cross-sectional view of the slide scaffold taken along line 7-7 of FIG.

[Explanation of symbols]

 10 Segment assembly device with slide scaffold 10a Frame 10b Shelf 11 Work deck 11a Top deck 11b Middle deck 11c Lower deck 12 Slide scaffold 13 Fixing base 14 Guide support rail 15 Sleeper 16 Piston cylinder device 16a Cylinder 16b Piston rod part 17 Movable base 18 Sliding member 19 Barrel 20 Base plate

Claims (1)

[Claims] 1. A segment assembly device comprising a working deck installed behind a shield machine for assembling and installing a segment on an inner surface of an excavated tunnel, and a slide scaffolding mounted on the working deck, wherein the slide scaffold is From a fixed base supported by the work deck, a movable base drive device supported by the fixed base, and a movable base arranged slidably on the fixed base and interlocked with the movable base drive device. A segment assembly device with a slide scaffold characterized by being configured.