JP3380788B2 - Mobile trolley used for box culvert transfer - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a trolley used for transporting a box culvert, and more particularly, to a box that can easily transport the box culvert and install it even in a place where there is no room in height and surrounding space. The present invention relates to a mobile carriage used for transferring culverts.

[0002]

2. Description of the Related Art Box culverts are used for construction of various structures such as when constructing a road that crosses under a track. As a method of transferring the box culvert, there are a method of transferring the box culvert to a predetermined position by using a crane and a method disclosed in Japanese Patent Laid-Open No. 11-222400. The construction method disclosed in Japanese Patent Laid-Open No. 11-222400 is a construction method in which two rails are laid near the planned installation site and the box culvert is transferred along the rail.
The oil jack connected to the oil pump is installed between the box culvert and the reaction force receiving portion, and the reaction force receiving portion is mounted on the rail so as to be movable and fixable, and the push rod of the oil jack is projected. Thus, the reaction force receiving portion is fixed to the rail, and the concrete member is pressed on the rail to slide.

[0003]

However, when it is difficult to secure a working yard for a crane, such as when an overhead line runs over the construction area or when construction is performed in a place with a lot of private land, it is necessary to remove the crane from the surrounding environment. It was sometimes difficult to use. Further, in the method disclosed in Japanese Patent Application Laid-Open No. 11-222400, it is necessary to mount the box culvert on a trolley or the like in a stable state, and the work load increases accordingly. Furthermore, after the transfer, it was necessary to unload it from the rail, and it was necessary to use a crane or the like.

An object of the present invention is to provide a moving carriage for use in transporting a box culvert, which can easily transport and install the box culvert even in a place where there is no room in height and surrounding space.

[0005]

In order to solve the above problems, the invention according to claim 1 provides a box culvert (11).
0) A moving carriage (3) used for transporting the moving body (0), which is arranged on a rail (2) arranged along the planned installation site (1) and has a lifting means (for example, a chain block) for lifting the box culvert on the upper part. 35), and a frame body (for example, a side frame 31) provided with wheels (31a) corresponding to the rails at the bottom, and a horizontal movement of the box culvert attached to the frame body and suspended by the suspension means. Anti-vibration means (revolver jack 37 and lever block 38) for suppressing the above-mentioned vibration prevention means. Revolver jack (3) attached to a lifting hook (111) rotatably attached to the side of the box culvert.
7) and one end is attached to the other vertical side of the frame, and the other end is a lifting hook 111 via a shackle.
A lever block (38) attached to a wire (38a) attached to and pulling the wire,
It is characterized by including.

According to the first aspect of the present invention, the equipment for transferring the box culvert is a rail and a moving carriage. The rails are located along the planned installation site, and there is no need to secure a working yard around them. Further, the width and height of the moving carriage may be slightly larger than the box culvert. Therefore, the space and height required to transport the box culvert is significantly reduced. Further, since the box culvert is hoisted by the hoisting means of the moving carriage, it is not necessary to place it on the moving carriage and hang it down, and the work can be performed easily. Therefore, the box culvert can be easily transferred even in a place where an obstacle such as an elevated line or a work yard cannot be separately secured.

Further, since the moving carriage is provided with the anti-vibration means, the box culvert can be transferred while suppressing the shaking. Also, even if the planned installation site is a slope, the box culvert will not shake or slide horizontally due to the function of the anti-vibration means. That is, it is transferred in a stable state. Therefore, the box culvert can be transferred more easily. In particular, the anti-vibration means has a revolver jack, one end of which is vertically movable along one longitudinal side of the frame body, and the other end of which is attached to a lifting hook of a box culvert, and one end of which is the frame body. The box culvert is attached to the other vertical side of the and the other end is connected to the lifting hook via the shackle, and the box culvert in the opposite direction by the revolver jack and the lever block. Since each is pulled, it does not shake during transfer.

[0008]

The invention according to claim 2 is a moving carriage used for transferring the box culvert according to claim 1,
The lifting means is held, and holding means (for example, a geared trolley 34) attached to the frame body so as to be movable in a direction intersecting with the rail is provided.

According to the second aspect of the present invention, the transfer destination of the box culvert can be adjusted by moving the holding means in the direction intersecting with the rail, and can be adjusted by moving the moving carriage in the rail direction. It is possible. Therefore, the box culvert can be easily moved to an accurate position as compared with the case of using a crane.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. As shown in FIG. 1, the transfer system according to the present embodiment arranges box culverts 110 in series along a planned installation site 1 including a slope, and an overhead line 120 runs above the construction site. There is.
Here, the private land spreads in the vicinity of the planned installation site 1, and there is an environment in which a work yard for arranging a crane cannot be secured in the surroundings.

First, the structure will be described. As shown in FIGS. 1 to 4, the transfer system includes two rails 2 (FIGS. 2 and 3) arranged in parallel with each other along the planned installation site 1.
(Not shown), and a movable carriage 3 placed on the rail 2.
And the two endless drive wires 4 stretched along the respective rails 2 using pulleys 4a (not shown in FIGS. 1 and 4) between both ends of the planned installation site 1, and the planned installation site. Motor 5 fixed to the end of 1 and rotating the drive wire 4
And two escape prevention wires 6 which are stretched between both ends of the planned installation site 1 and pass through both sides of the moving carriage 3, respectively.
And is roughly configured by. Also, as shown in FIG.
A lifting hook 111 for mounting the lifting wire 3a is rotatably and detachably attached to the side surface of the box culvert 110.

As shown in FIG. 1, the rails 2 are arranged on a concrete foundation 1a and spaced from each other by box culverts 11.
It is fixed to be wider than 0 width.

As shown in FIGS. 4 and 5, the movable carriage 3 includes a substantially trapezoidal side frame 31 (frame body) made of H-shaped steel, which is erected on each of the two rails 2, and two side frames. An erection member 32 erected and fixed between the upper portions of 31 and two side frames 31.
And a erection member 33 erected and fixed between the central portions of the
Geared trolley 34 attached to the erection member 32
(Holding means) and chain block 35 (lifting means), rod-shaped hanging metal fittings 36 horizontally hung on the chain block 35, and a revolver jack 37 that is vertically movable along one vertical side of the side frame 31. (A part of the anti-vibration means is not shown in FIG. 5) and a lever block 38 (a part of the anti-vibration means not shown in FIG. 5) attached to the other vertical side of the side frame 31. Composed.

The side frame 31 is provided with wheels 31a at its lower portion.
Further, since the side frame 31 has a height of, for example, about 5 m, a work scaffold 31 b with a ladder and a handrail is provided at a height of about 2 m.
To provide. Further, the drive wire 4 is fixed to the lower end of the side frame 31, and a member 31c having a through hole for passing the escape prevention wire 6 is attached to the lower end side portion.

The suspension fitting 36 is a fitting for suspending the box culvert 110 with the wire 3a. Further, the chain block 35 moves the hanging metal fitting 36 up and down, and the geared trolley 34 finely adjusts the lateral position of the chain block 35, that is, the position in the direction intersecting with the rail 2. That is,
The box culvert 110 is vertically moved by the chain block 35 via the hanging metal fitting 36, and the lateral position is finely adjusted by the geared trolley 34 via the hanging metal fitting 36 / chain block 35.

As shown in FIG. 6, one end of the revolver jack 37 is attached to a round steel 39 along one longitudinal side of the side frame 31,
It is attached with a shackle. The other end of the revolver jack 37 is attached to the lifting hook 111 of the box culvert 110 via a shackle.
The lever block 38, as shown in FIG.
It is a lever with a stopper that pulls 8a. Wire 3
The end of 8a is lifted by a hook 111 via a shackle.
Is attached to. That is, since the box culvert 110 is pulled in the opposite directions by the revolver jack 37 and the lever block 38, it does not shake during transfer.

Both ends of the drive wire 4 are movable carriages 3, respectively.
It is fixed to. As shown in FIG. 4, the motor 5 has a hook 1 attached to a steel member 1b fixed to a concrete foundation 1a.
It is a motor that is assembled by using c and moves the moving carriage 3 along the rail 2 by rotating the drive wire 4. The escape prevention wire 6 is attached to the steel member 1d fixed to the outside of the steel member 1b by using the hook 1e.

According to this transfer system, the box culverts 110 are transferred in the following manner from, for example, the upper end of the planned installation site 1 and connected in series along the rails 2. First, the motor 5 is driven to move the moving carriage 3 to the upper end of the planned installation site 1, and the wire 3a, the revolver jack 37, and the wire 38a are attached to the lifting hook 111 of the box culvert 110. Then, using the chain block 35, the box culvert 110
Hoist. Then, the motor 5 is driven to move the mobile cart 3
Is moved toward the other end to a predetermined position. At this time, the elevated overhead line 120 or the like does not matter. Further, since the moving carriage 3 is also guided by the escape prevention wire 6,
It is difficult to derail from the rail 2. Then, while finely adjusting the lateral position with the geared trolley 34, the chain block 3
5 is moved to continuously arrange the box culvert 110 in series with the existing box culvert 110.

Therefore, according to the present embodiment, it is not necessary to use a crane or the like, even though the overhead line 120 is running in the sky and is surrounded by private land. The box culvert 110 can be arranged at a predetermined position. At this time, the box culvert 110
Due to the functions of the revolver jack 37 and the lever block 38, the revolver jack 37 does not shake or slide down on a slope during the transfer. Further, since it is not necessary to mount the box culvert 110 and the like on a dolly or the like, the work is simple. Also, Box Culvert 110 with Geared Trolley 34
Since the lateral transfer position of the box culvert can be adjusted, the box culvert 110 can be transferred to an accurate position more easily than when a crane is used.

Although the chain block 35 is used as the lifting means in the above embodiments, the present invention is not limited to this, and a motor-driven lifting means may be used. Further, the shape and the like of the movable carriage 3 are arbitrary, and it is needless to say that other specific configurations can be appropriately changed.

[0022]

According to the first aspect of the present invention, the box culvert can be transferred even in a place where an obstacle such as an elevated wire or a working yard cannot be separately secured. Further, since it is not necessary to mount the box culvert on a dolly or the like, the work is easy. Moreover, the movement of the box culvert can be performed more easily by the function of the anti-vibration means.

According to the second aspect of the present invention, the box culvert can be transferred to an accurate position more easily than when a crane is used.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a transfer system according to an embodiment of the present invention.

FIG. 2 is a schematic front view illustrating the configuration of the transfer system shown in FIG.

FIG. 3 is a schematic plan view illustrating the configuration of the transfer system shown in FIG.

FIG. 4 is a front view illustrating a main part of FIG.

5 is a side view of a moving carriage of the transfer system of FIG. 1. FIG.

FIG. 6 is a schematic diagram illustrating a main part of FIG.

FIG. 7 is a schematic perspective view illustrating a mounting configuration of the motor of FIG.

[Explanation of symbols]

1 planned installation site 2 rails 3 mobile carts 31 Side frame (frame body) 31a wheels 34 Geared trolley (holding means) 35 Chain block (lifting means) 37 Revolver jack (part of anti-vibration means) 38 Lever block (part of anti-vibration means) 110 Box Culvert

Claims (2)

(57) [Claims] 1. A mobile trolley used for transferring a box culvert, which is arranged on a rail arranged along a planned installation site, is provided with a lifting means for lifting the box culvert on an upper part, and corresponds to the rail on a lower part. A frame body provided with the above wheels, and an anti-vibration means that is attached to the frame body and that suppresses a horizontal movement of the box culvert hoisted by the hoisting means. A revolver jack mounted movably in the vertical direction along one longitudinal side of the body and the other end attached to a lifting hook rotatably mounted on the side of the box culvert, and one end of the other of the frame body. It is attached to the vertical side and the other end is attached to the wire attached to the lifting hook via a shackle. Movable carrier used in the transfer of box culvert, characterized in that it comprises a lever block pulling the wire. 2. A moving carriage used for transferring the box culvert according to claim 1, which holds the lifting means and is attached to the frame body so as to be movable in a direction intersecting with the rail. And a moving trolley used for transporting a box culvert.