JPH09315299A - Pipe transfer device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the necessity to set up a portal crane and a hook anchor into a tunnel. SOLUTION: This is a transfer device 10 of a pipe 54 in a tunnel, and it comprises a carriage 12 being travelable on a rail set up in the tunnel and having both ends to be concerned in the longitudinal direction. A crane 14 is installed on the end of this carriage 12, and further plural pieces of arms 16 for mounting the pipe 54 on the carriage at an interval with each other, are installed in space between both the ends of the carriage. Each arm traverses the carriage 12 and extends over, while each hydraulic jack 44 is set up in these arms. Each arm 16 is provided with a first arm part 28 and a second arm part 30 being connected to this first arm part and rockablr around an axis extending in the longitudinal direction of the carriage 12, and in addition, the hydraulic jack 44 is pivoted to both these first and second arm parts 28 and 30 at both the ends.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for moving a pipe such as a water pipe or a gas pipe in a tunnel installed in the ground for moving the pipe in the tunnel.

[0002]

2. Description of the Related Art Conventionally, the pipe is placed on a carriage that is movable on a rail installed in a tunnel, and the pipe is transported, and the pipe on the carriage is lifted by a portal crane previously installed in the tunnel. , It was installed in place. However, the portal crane must be installed according to the installation position of the pipe. Also, in a tunnel where there is no room to install the portal crane, a hook anchor is driven into the top of the tunnel, a chain block is hung on the hook anchor, and the chain of the chain block is attached to the pipe on the truck. By winding and operating the chain block, the pipe on the carriage was moved to a predetermined position. However, since the chain block needs to be operated by the operator at the front position in the moving direction of the pipe, there is a risk of collision with the pipe or being caught between the pipe and the tunnel wall surface. Moreover, the efficiency of pipe movement by the chain block is low.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a pipe moving device that does not require the installation of a portal crane or hook anchor in the tunnel.

[0004]

DISCLOSURE OF THE INVENTION The present invention is a moving device for moving a pipe in a tunnel, which is movable on a rail installed in the tunnel and has a longitudinal end portion. A crane mounted on the end of the trolley, and a plurality of arms for mounting the pipe, which are mounted on the trolley and are spaced across the trolley between the ends of the trolley, and which traverse the trolley. A hydraulic jack disposed with respect to each arm, each arm being swingable about a first arm portion and an axis extending in a longitudinal direction of the carriage connected to the first arm portion. And the hydraulic jack is pivotally attached to the first arm portion and the second arm portion at both ends thereof. The first arm portion may be attached to a pair of posts fixed to the carriage, and may include an electric winch attached to both posts.

[0005]

According to the present invention, the tubes can be carried in the tunnel by placing the tubes on the plurality of arms and moving the carriage. The second arm portion of the arm can be swung around an axis line in the longitudinal direction of the carriage, that is, an axis line parallel to the axis line of the pipe by operating the hydraulic jack. By swinging the arm portion in one direction, the mounted pipe can be held by the first arm portion and the second arm portion, and the second arm portion can be swung in the other direction. By moving it, the tube can be placed in a state that allows it to roll off the arm. By surrounding the pipe with a wire extending from the electric winch and fixing the free end of the wire to the carriage, by activating the electric winch to unwind the wire, By controlling the rolling speed of the pipe, the pipe can be smoothly, safely and easily moved to a predetermined installation position. In addition, the pipe mounted on the arm can be lifted by using the crane and can be safely and easily moved from the trolley to a predetermined installation position. Therefore, the pipe can be moved to a desired position in the tunnel without the intervention of the conventional portal crane or hook anchor.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Referring to FIGS. 1 to 3, since a pipe such as a water pipe or a gas pipe is installed in a tunnel, a moving device for moving the pipe in the tunnel is generally designated by the reference numeral. It is shown at 10.

The moving device 10 includes a carriage 12, a crane 14 mounted on the carriage 12, and a plurality of arms 16 (three in the illustrated example) 16 mounted on the carriage 12.

The dolly 12 includes a main body 18 composed of an elongated frame in front and rear, and a front and rear 2 rotatably supported by the main body 18.
And a pair of wheels 20. The body 18 is, in the example shown,
It is constructed by assembling a plurality of H-section steels in a rectangular shape. The dolly 12 can move in the tunnel by rolling wheels 20 on two rails (not shown) installed in the tunnel.

The crane 14 is supported at one end portion (front portion in the traveling direction) of the carriage 12 in the longitudinal direction. The front portion (front portion of the frame) and the rear portion of the carriage 12 are covered with cover plates 22 respectively.
The crane 14 has a cylindrical mounting stand 24 extending vertically.
It is fixed to the cover plate 22 via. Crane 14
Can be rotated about the vertical axis of the mount 24, and the tubes mounted on a plurality of arms 16 can be suspended.

A plurality of arms 16 are arranged between the two ends of the truck 12, more specifically, between the installation base 24 of the crane 14 and the rear portion of the truck 12, spaced apart from each other in the longitudinal direction of the truck 12. Has been done. In the illustrated example, 3
Two of the two arms 16 have two pairs of front and rear wheels 20.
And the other one is located between both arms 16 and near the rear arm 16.

Each arm 16 extends across the carriage 12, that is, above each cover plate 22 in the width direction of the main body 18 of the carriage 12. The arm 16 includes a first arm portion 28,
The second arm portion 30 is included.

The first arm portion 28 has a generally V-shape that opens upward, and one end of the first arm portion 28 has a pair of posts 32.
It is attached to the main body 18 via. The bending angle of the first arm portion 28 can be determined in consideration of the diameter of the pipe, the number of pipes to be placed, and the like. Further, the linearly extending second arm portion 30 is pivotally attached to the other end portion of the first arm portion 28 and is swingable around an axis 31 extending in the longitudinal direction of the main body 18. Each of the arm portions 28 and 30 can be made of H-shaped steel as in the illustrated example.

The posts 32 of each pair are spaced from each other, and their lower ends are fixed to the main body 18.
Both posts 32 are angled with respect to an imaginary vertical plane containing the longitudinal axis of the body 18 and are inclined toward one edge which defines the width dimension of the body 18. Each post 32 shown is
It is also made of H-section steel.

One end portion of the first arm portion 28 is inserted between the upper end portions of both posts 32, and the first arm portion 28 penetrates the upper end portions of both posts 32 to pier 1
A pin 34 extending in the longitudinal direction of the second main body 18 is swingably supported on both posts 32. Further, the first arm portion 28 is supported on the carriage 12 at the other end by a hydraulic jack 36 extending in the vertical direction.

Each hydraulic jack 36 has a pair of brackets 38 fixed to the lower surface of the other end of the first arm portion 28 and a bracket 40 fixed to the cover plate 22 at both upper and lower ends thereof. It is pivotally attached. By contracting the hydraulic jack 36, the first arm 28
Can be swung around the pin 34 to change the height position of the other end of the first arm portion 28.

In addition, the first and second arm portions 28,
A hydraulic jack 44 is attached to 30. The hydraulic jack 44 has, at both ends thereof, both brackets 38 and a second bracket 38 attached to the first arm member 28.
Pair of brackets 4 fixed to the lower surface of the arm portion 30 of the
6 are pivotally connected to each other. Reference numeral 48 indicates a unit installed on the front cover plate 22 for supplying the hydraulic fluid for operating the crane 14 and operating each of the jacks 36, 44.

According to this, the second jack portion 30 can be swung around the axis 31 with respect to the first arm portion 28 by expanding and contracting the hydraulic jack 44. When the second arm portion 30 is swung clockwise as viewed in FIG. 2, the arm 16 has a concave shape that opens upward,
The pipe mounted on the arm 16 can be held so as to be held. Further, when the second arm section 30 is swung counterclockwise, the arm section hangs obliquely downward, and the pipe is moved from the first arm section 28 to the second arm 30.
It can be rolled along and moved out of the carriage 12.

In the illustrated example, a winch 50 is mounted on top of each pair of posts 32. According to this, as shown in FIG. 4 (or FIG. 6), the wire 52 of the winch 50 is connected to the pipe 54 (or two pipes 5 in parallel) on the arm 16.
4), the free end thereof is fixed to, for example, the one end of the first arm portion 28, and the wire 52 is unwound so that the tube 54 (both tubes 54) can be fastened to the arm 16.

As shown in FIG. 5, at the place where the pipe is installed in the tunnel 56, the second arm portion 30 is swung counterclockwise, and the wire 52 is gradually released so that the wire 52 is restrained. Pipe 54 to the first arm 28
Can be slowly rolled to the second arm unit 30. The second arm portion 30 serves to guide the rolling of the pipe 54 toward the mount 58 provided at the installation location. Reference numeral 6 is arranged between the dolly 12 and the pedestal 58.
The member indicated by 0 is a temporary pedestal that defines the moving path of the pipe 54.

After unraveling the wire 52 shown in FIG.
As shown in FIG. 7, the crane 14 suspends each pipe 54, the boom retracting operation of the crane 14,
Each tube 54 can be installed at the front position of the carriage 12 by repeating the turning operation of.

In the illustrated example, the ends of the respective tubes 54 are inserted into the existing tubes 62 previously installed in the tunnel, and the tubes 54 are placed on the support base 64. In FIG. 7, reference numeral 6
Reference numeral 6 denotes a rail which is installed in the tunnel and on which wheels 20 of the carriage 12 are rollably mounted.

By using the pipe moving apparatus 10 according to the present invention, there is no need to install a portal crane in the tunnel or to attach a hook anchor, and it is not necessary to manually move the pipe 54. In tube 5
4 can be easily and safely transported and installed in place, i.e. moved.

[Brief description of drawings]

FIG. 1 is a front view of a pipe moving device according to the present invention.

FIG. 2 is a side view of the pipe moving device without a crane.

FIG. 3 is a plan view of a tube moving device.

FIG. 4 is a side view of the pipe moving device with a pipe mounted on an arm, excluding a crane and a hydraulic jack.

FIG. 5 is a side view of the pipe moving device, excluding the crane and the hydraulic jack, on the way of moving the pipe on the arm to the gantry.

FIG. 6 is a side view of the pipe moving device in which pipes are mounted in parallel on an arm, excluding a crane and a hydraulic jack.

FIG. 7 is a schematic front view of a pipe moving device during a pipe moving operation by a crane.

[Explanation of symbols]

 10 moving device 12 dolly 14 crane 16 arm 28, 30 first and second arm part 32 post 50 winch

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Shinji Masuzawa 1-5 Nishihioki, Nakagawa-ku, Nagoya, Aichi Prefecture Kumagaya-gumi Nagoya Branch

Claims (2)

[Claims] 1. A moving device for moving a pipe in a tunnel, which is movable on a rail installed in the tunnel and has a carriage having both ends in a longitudinal direction, and an end of the carriage. A crane mounted above, a plurality of arms mounted on the trolley spaced across the trolley between the ends of the trolley, for traversing the trolley, for mounting the pipe, and arranged for each arm A hydraulic jack, each arm having a first arm portion and a second arm portion connected to the first arm portion and swingable about an axis extending in the longitudinal direction of the carriage. The hydraulic jack is pivotally attached to the first arm portion and the second arm portion at both ends thereof. 2. The moving device according to claim 1, wherein the first arm portion is attached to a pair of posts fixed to the carriage, and further comprises an electric winch attached to both posts.