JPH10194669A - Telpher crane moving device inside tunnel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accomplish both of labor saving and a quick shift of a telpher crane. SOLUTION: A plurality of plane trolleys 10 are arranged at predetermined intervals in the longitudinal direction in a tunnel 3 upper part. On these plane trolleys 10, a crane gutter 12 is hung freely slidably in the horizontal direction. In this way, only by means of traction of a traction wire 22, which is connected to the crane gutter 12, for a traction winch 20, the crane gutter 12 and the whole of a self-travel type hoist 14 can be horizontally moved to the predetermined position in the tunnel 3. On the other hand, the traction winch 20 is arranged on a trolley carriage 18 traveling in the tunnel 3, so that, in shifting work for a telpher crane 8, the traction winch 20 can be arranged in a short, time only by running the trolley carriage 18 to the position below the telpher crane 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a Telha crane moving device in a tunnel, and more particularly, to a Telha crane disposed above a tunnel for lifting and carrying materials. For moving to a predetermined position.

[0002]

2. Description of the Related Art When a tunnel is constructed by a shield method, the ground is excavated by a shield machine, and at the same time, a segment is assembled in a ring shape behind the shield machine to perform a primary lining. Then, in order to protect the portion where the primary lining has been completed and to reduce the surface resistance, a secondary lining in which concrete is wound around the inner surface of the tunnel is performed following the primary lining.

Here, a Telha crane is installed in the tunnel to carry materials used for secondary lining to a predetermined position in the tunnel. This Telha crane is fixed to the upper segment of the tunnel, and is composed of a crane girder made of I-shaped steel connected in the longitudinal direction, a traveling part running in a horizontal direction along the crane girder, and a traveling part. The crane is provided with an integrated hoist, and the material lifted by the hoist is carried into a predetermined position of the tunnel by the traveling unit running in a horizontal direction along the crane girder.

[0004]

In order to install the Telha crane having the above structure at a predetermined position in a tunnel where the secondary lining is to be performed, the crane extends to the tunnel position where the secondary lining is completed. The base end (I-shaped steel) of the crane girder is dismantled, the I-shaped steel is moved to the tip position of the crane girder, and then added to the tip end of the crane girder.

[0005] However, the dismantling and extension work of the I-shaped steel of the crane girder in the narrow space in the tunnel requires a lot of time and labor, and thus has a problem in terms of work efficiency.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a Telha crane moving device in a tunnel that can move a Telha crane in a short time while saving labor. I do.

[0007]

According to a first aspect of the present invention, there is provided a device for moving a Telha crane in a tunnel, comprising: a crane girder having a plurality of I-beams connected in a longitudinal direction and disposed at an upper portion of the tunnel; , A Telha crane having a traveling unit that runs by itself along the longitudinal direction of the crane girder, and a hoist that is integrated with the traveling unit to lift materials,
A Telha crane moving device in a tunnel that moves to a predetermined position of a tunnel, which is installed at a predetermined interval in a longitudinal direction of an upper portion of the tunnel and supports the crane girder while supporting an upper flange of the crane girder from below. An apparatus comprising: a plurality of plane trolleys suspended horizontally; and girder moving means for horizontally moving the crane girder on the plane trolley to a predetermined position in the tunnel.

According to a second aspect of the present invention, in the device for moving a Telha crane in a tunnel according to the first aspect, the girder moving means moves on a rail laid in the tunnel; A tow winch installed on a trolley, and a wire connecting portion for detachably connecting a tip end of a tow wire of the tow winch to a lower flange of the crane girder; And moving the crane girder horizontally by a towing operation of the towing winch after connecting the towing wire to a lower flange of the crane girder by the wire connecting portion.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the moving device for a Telha crane according to the present invention will be described below with reference to the drawings.

FIG. 1 shows the construction of a tunnel in the middle of construction. In FIG. 1, reference numeral 2 denotes a segment assembled in a ring shape along the inner surface 4 of the tunnel 3. Reference numeral 6 in the figure denotes concrete rolled up on the inner surface of the segment 2. The concrete 6 is rolled up at a position shown by a broken line extending rightward from the concrete 6.

As described above, in the tunnel shown in FIG. 1, the primary lining has already been completed, and the secondary lining is performed from the left side to the right side of the figure in order to roll up the concrete 6. In the tunnel 3, a Telha crane 8 for carrying materials used for secondary lining into a predetermined position in the tunnel 3 is installed.

The Telha crane 8 includes a plurality of plane trolleys 10 installed at predetermined intervals in a longitudinal direction on the upper segment 6 of the tunnel 3, and is supported by the plane trolleys 10 and horizontally suspended above the tunnel 3. The crane girder 12 and the crane girder 1
2 and a self-propelled hoist 14 running along.

Each plane trolley 10 has a plurality of rollers 1
0a, and is suspended from the segment 6 via the suspension wire 10b. The crane girder 12 is a member formed by connecting a plurality of I-shaped steel members in the longitudinal direction.
Is supported from below by the roller 10a of the plane trolley 10 described above.

The self-propelled hoist 14 is provided on the traveling unit 1 traveling on the lower flange 12b of the crane girder 12.
4a and the hoist unit 1 integrated with the traveling unit 14a
4b. The hook 14c of the hoist 14b lifts the material, and the running portion 14a runs on the lower flange 12b, so that the material can be transported to a predetermined position.

Here, the rail 1 laid in the tunnel 3
A trolley cart 18 used for work, material transportation, and the like is running on 6. And this trolley cart 18
A towing winch 20 used for moving the Telha crane 8 is installed at the upper part of the cradle 8.

The pulling wire 22 of the towing winch 20 is connected to the lower flange 12 of the crane girder 12.
b and a hanger 24 connected to the b. Here, the hanger 24 includes a fixing portion 24a that is detachably fixed to the lower flange 12b, and a sheave 24b that is rotatably connected to the fixing portion 24a.

Next, in order to lay the concrete 6 at the position shown by the broken line on the right side of FIG.
The procedure for moving to the right of the tunnel 3 will be described below.

First, the trolley 18 travels to a position below the right end of the craig girder 12. Then, the end of the wire 28 of the manually wound winch 26 installed at the lower portion of the trolley 18 is fixed to the rail 16 using the rail clamp 30. In this way, by connecting the trolley cart 18 and the rail 16 via the wire 28, the return traveling (running to the left) of the trolley cart 18 is prevented.

Next, the pulling wire 22 of the towing winch 20 installed on the upper part of the trolley 18 is connected to the hanger 2.
4 and the lower flange 12 of the crane girder 12
b.

At this time, the hanger 24 is attached to the lower flange 12 at a position sufficiently leftward from the towing winch 20.
b. Then, the pulling wire 22 of the tow winch 20 is first passed over the sheave 24b, and then the fixed pulley 20b installed near the tow winch 20
After that, the distal end portion is fixed to the fixing portion 24a. Then, when the winding operation of the moving winch 20 is started, the traction force of the traction wire 22 in the direction of the arrow A is transmitted to the clay girder 12 via the hanger 24.
Upper flange 1 on roller 10a of plain trolley 10
While the support 2a is supported, the entire clay girder 12 moves to the right side of the tunnel 3. Then, the self-propelled hoist 14 also moves to the right side of the tunnel 3 with the movement of the entire crane girder 12.

Therefore, in the present embodiment, the crane girder 12 is hung horizontally and slidably on a plurality of plane trolleys 10 installed at predetermined intervals in the longitudinal direction above the tunnel 3, and the towing winch is provided. The crane girder 12 and the self-propelled hoist 1 are simply connected to the crane girder 12 and towed with the 20 tow wires 22.
4 can be moved horizontally to a predetermined position in the tunnel 3, so that it is not necessary to disassemble and reintegrate a part of the crane girder unlike the conventional device, and even in a narrow space in the tunnel, the The moving operation of the crane 8 can be performed in a short time while saving labor.

The towing winch 20 is connected to the tunnel 3
The trolley 18 is installed on the trolley 18 that travels inside the vehicle. When moving the Telha crane 8, the tow winch 20 can be arranged in a short time only by moving the trolley 18 to a position below the Telha crane 8. In addition, since the operation of connecting the pulling wire 22 of the towing winch 20 to the lower flange 12b of the crane girder 12 can be completed in a short time by using the hanger 24, further labor saving can be achieved. The moving operation of the Telha crane 8 can be performed.

The girder moving means described in claim 1 of the present invention corresponds to the trolley cart 18, the towing winch 20, and the hanger 24 of the above embodiment.

[0024]

As described above, according to the Telha crane moving device in the tunnel according to the first aspect, the crane girder slides on a plurality of plane trolleys installed at predetermined intervals in the longitudinal direction of the upper part of the tunnel. It is suspended freely, and when the crane girder is moved horizontally by the girder moving means, the entire movement of the Telha crane is completed.Therefore, there is no need to disassemble and re-add the crane girder as in the conventional device, and Even in a narrow space inside, the moving operation of the Telha crane can be performed in a short time with labor saving.

According to the second aspect of the invention, the effect of the Telha crane moving device in the tunnel according to the first aspect can be obtained, and the towing winch is installed on a traveling vehicle traveling in the tunnel. Therefore, when moving the Telha crane, the towing winch can be arranged in a short time only by running the traveling bogie to the position below the Telha crane, and the towing wire of the towing winch can be connected. The work of connecting to the lower flange of the crane girder can be completed in a short time by using the hanger, so that the work of moving the Telha crane can be performed with further labor saving.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a Telha crane moving device in a tunnel according to the present invention.

[Explanation of symbols]

 3 Tunnel 8 Telha Crane 10 Plain Trolley 10a Roller 12 Crane Girder 12a Upper Flange 12b Lower Flange 14 Self-Propelled Hoist 14a Traveling Section 14b Hoist (Hoist) 16 Rail 18 Trolley (Trolly) 20 Towing Winch 22 Towing Wire 24 Hanger (wire connection)

Claims (2)

[Claims] 1. A crane girder formed by connecting a plurality of I-shaped steel members in a longitudinal direction and disposed at an upper part of a tunnel, and a traveling part which runs by itself along the longitudinal direction of the crane girder.
A Telha crane moving device in a tunnel that moves a Telha crane with a hoist that lifts materials integrally with the traveling portion, to move the Telha crane to a predetermined position of the tunnel, at a predetermined interval in a longitudinal direction of the upper portion of the tunnel. A plurality of plane trolleys are installed and horizontally suspend the crane girder while supporting the upper flange of the crane girder from below, and the crane girder is slid on the plane trolley to a predetermined position of the tunnel. A Telha crane moving device in a tunnel, comprising girder moving means for moving horizontally. 2. The girder moving means includes: a traveling vehicle traveling on a rail laid in the tunnel; a towing winch installed on the traveling vehicle; and a tip end of a towing wire of the towing winch. A wire connecting portion detachably connected to a lower flange of the crane girder, the traveling vehicle travels to a position below the crane girder, and the towing wire is connected to the lower flange of the crane girder by the wire connecting portion. 2. The device according to claim 1, wherein the crane girder is horizontally moved by a towing operation of the towing winch.