JPH06212684A - Device for installing box culvert - Google Patents

Abstract

PURPOSE:To improve the safety and working efficiency by a method wherein, in a truck having a self-traveling means, a box culvert is divided into four sections, i.e., a bottom plate, side wall materials, and a top plate, the bottom plate is horizontally suspended, the side wall material are vertically suspended along the two sides of the truck, and the top plate is horizontally supported from below. CONSTITUTION:A box culvert 1 of square cross section is divided into four sections, a bottom plate 2, side wall materials 3 and 3, and a top plate 4. The bottom plate 2 is suspended from the end in the traveling direction of a truck having a self-traveling means, the side wall materials 3 are suspended from the two sides of thereof, and the top plate 4 is supported to the rear end thereof. Through traveling on a rail, the bottom plate 2 is conveyed to an installation place and lowered in a given place for installation. The side wall materials 3 are conveyed to an installation place and lowered after positioning and installed. Further, the top plate 4 is conveyed and installed in a given position to construct the box culvert 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box culvert installation device that constitutes an underground structure such as an underground passage.

[0002]

In recent years, box culverts have become larger. For this reason, division has become necessary to facilitate manufacturing, transportation, and installation.
Conventionally, a wicker was generally used to construct a box culvert. By the way, in the construction of the box culvert, since the construction points are sequentially moved, the wrecker must be moved and the vehicle for transporting the members must be accompanied with it. However, recently, there are various restrictions on the conditions of the construction site, and it has become difficult to freely select the installation location of the tow truck. Also, in the case of wrecker construction, the operator who installs the member operates the boom from a remote location, and requires a high level of skill to operate the machine.

The present invention has been made in view of the above problems. The purpose is to improve the construction accuracy and the safety and work efficiency, and to improve the construction accuracy in the construction in a limited space where there are restrictions on the working conditions, range, etc., especially in the underground construction where there are many restrictions. To propose a box culvert installation device.

[0004]

[Means for Solving the Problems] This box culvert installation device is capable of raising and lowering a bottom slab obtained by dividing a box culvert into a bottom slab, a side wall, a side wall and a top slab on a trolley equipped with self-propelled means. Means for suspending horizontally, means for vertically suspending the side wall material along both sides of the bogie so that it can be laterally moved and lifted, and means for horizontally supporting the top plate material from below so that it can be lifted. Characterize.

[0005]

EXAMPLE This installation apparatus is one in which a box culvert 1 having a rectangular cross section shown in FIG. 1 is conveyed to a bottom plate material 2, a side wall material 3, a side wall material 3 and a top plate material 4 and assembled and installed. Is.

As shown in FIG. 2, the installation device 5 of the embodiment is as follows.
A trolley 8 having a self-propelled motor 6 and a self-propelled means including wheels 7, a bottom plate material suspending means 9 at the forward end, a side wall material suspending means 10 at both side surfaces thereof, and a top plate material at the rear end thereof. Supporting means 11 is provided.

The bottom plate material suspension means 9 has two jacks 1 attached to both ends of a beam material 12 which is orthogonal to the forward direction of the carriage 8.
3-1 and a hanging hook 14 hanging down from the tip thereof, both ends of the bottom plate material 2 are locked by the hooks 14 and can be hung horizontally so as to be able to move up and down.

The side plate material suspension means 10 has two jacks 13-2 attached to both ends of the beam material 12 at the upper center of the carriage 8.
And hanging hooks 14 hanging from the tip thereof, one end of the side wall material 3 is locked to each of the hanging hooks 14, and the side wall material 3 is vertically hung vertically along the both side surfaces of the truck so that the side wall material 3 can be moved and moved up and down. it can.

The top plate material support means 11 is composed of two jacks 13-3, which are attached to the upper surfaces of both ends of the beam member 12 at the rear end of the carriage 8, and which extend and contract upward, and a pedestal 15, which is attached to the top thereof. The material 4 can be horizontally supported by the pedestal 15 of 2 so that it can be raised and lowered.

An example of installing a box culvert by using this device to install a member divided into four parts will be described below.

In this construction example, a predetermined box culvert assembly length is used as a construction unit, and construction is carried out at different timings in the order of bottom slab construction, side wall construction, and top slab construction.

FIG. 3 shows a process of constructing the bottom slab. In Fig. (A), the bottom slab 2 is installed using a wrecker, and the base 16 is installed. In (b), the rail 17 is laid on the base 16 and the installation device 5 is assembled on the rail 17.
The rail 17 is extended following the construction of the bottom slab. As shown in FIG. 3 (c) and FIG. 4, using this installation device 5, both ends of the bottom plate material 2 are suspended by hooks 14 with a base 16 and hung, and traveled on a rail 17 to be transported to an installation place. , Install it at the specified position, and install the bottom slab over the specified length.

FIG. 5 and FIG. 6 show steps for constructing the side wall portion. In the base 16, the side wall material 3 is hooked on both side surfaces of the installation device 5 with hooks 14 and hung vertically, and the rails 17 travel on rails 17 to be transported to the installation location. The beam member 12 is moved to the outside, positioned, and the side wall member is lowered and installed. The side wall material 3 is tightly bonded with a PC steel material, or is set and fixed by a mortar filling joint or the like. By repeating this, the side wall portion having a predetermined length is constructed. The side wall of the base 16 is constructed lastly in consideration of workability, and at the same time, the top plate is installed. A supporting device 19 which is bent and expands and contracts is attached between the lower end of the side wall member 3 and the dolly 8 to prevent lateral shaking.

FIG. 7 and FIG. 8 show the steps of construction of the top plate. The top plate material 4 is carried from the base 16 to the installation place on a mini carriage 20 traveling on the top plate, and is transferred from the mini carriage 20 onto a receiving stand 15 of the installation device, and the receiving stand 15 is set to a predetermined top plate. The box culvert is completed by lowering it to the position and installing the top plate of the specified length.

In order to load the top plate material 4 from the mini-carriage 20 onto the pedestal, for example, as shown in FIG. 9 (a), both side ends of the top plate material 4 are placed on the mini-bogies 20 ', 20' and conveyed. Temporarily installing the top plate receiving material 21 on the existing side wall materials 3 on both sides to which the top plate material is attached,
Creates a transport surface that is flush with the existing top plate, and supports two receiving materials 21.
Transfer to the cradle in between.

Further, as shown in FIG. 9 (b), the top plate material 4 can be suspended and supported by the overhanging arm 22 of the mini-carriage 20 and can be stacked on the pedestal.

[0017]

The present invention is constructed as described above. This box culvert installation device supports or hangs the bottom plate material and the top plate material horizontally on the traveling carriage, and the side wall materials horizontally and vertically along the side surface of the carriage so that they can be moved and lifted. The parts can be transported to the place where they approach the installation position. The installation equipment can be brought close to the installation position to check the site situation and directly operate, improving the construction accuracy, construction efficiency and safety.

In the apparatus of the embodiment, the bottom slab material, the jack for hanging the side wall material and the jack for supporting the top stencil material are attached to both ends of the beam material. By making the beams and columns to be attached expandable and contractable, it is possible to accommodate box culverts of various shapes.

This installation device is used more effectively when used in a construction method in which the steps of bottom slab construction, side wall construction, and top slab construction are carried out in the same order as in the case of the box culvert construction of the above-mentioned embodiment. it can. That is, the bottom slab material and the side wall material can be conveyed to the installation position on the constructed bottom slab, and moved up and down to be positioned and installed. Further, the top plate on which the top plate material has been applied can be conveyed by a mini-carriage, and can be loaded onto the support of the installation device at the installation position, and the support can be lowered to a predetermined top plate height for installation. Therefore, box culverts can be constructed in a narrow underground with this device with good work efficiency.

[0020]

The present invention is as described above, and by using this device, a box culvert can be constructed with high accuracy while maintaining high safety and construction efficiency by using members divided into four parts.

[Brief description of drawings]

FIG. 1 is a front view of a box culvert composed of a bottom plate material, a side wall material, a side wall material, and a top plate material.

FIG. 2 is a perspective view of a box culvert installation device of the embodiment.

FIG. 3 (a), (b), (c) is an explanatory view sequentially showing the bottom slab construction process.

4 (a) and 4 (b) are a front view and a side view of an installation device in which a bottom slab is suspended.

5 (a) and 5 (b) are explanatory views showing the side wall construction step order.

6 (a) and 6 (b) are a front view and a side view of an installation device in which side wall materials are suspended.

7 (a) and 7 (b) are explanatory views sequentially showing the top plate construction process.

8 (a) and 8 (b) are a front view and a side view of an installation device supporting a top plate material.

9 (a) and 9 (b) are explanatory views showing an example of a mode in which the top plate material is loaded from the mini truck onto the installation device.

[Explanation of symbols]

1 ... box culvert, 2 ... bottom plate material, 3 ... side wall material, 4
... Top plate material, 5 ... Box culvert installation device, 6 ... Self-propelled motor, 7 ... Wheels, 8 ... Cart, 9 ... Bottom plate material hanging means, 10 ... Side wall material hanging means, 11 ... Top plate material supporting means ,
12 ... Beam material, 13 ... Jack, 14 ... Hanging hook, 15
... cradle, 16 ... base, 17 ... rail, 18 ... wheel, 1
9 ... Supporting device, 20 ... Mini cart, 21 ... Top plate receiving material, 22
…arm.

Claims (1)

[Claims] 1. A trolley equipped with a self-propelled means, a box culvert being divided into a bottom slab material, a side wall material, and a side wall material and a top slab material. An installation device for a box culvert, which is provided with means for vertically suspending it so that it can be moved laterally along both sides and lifted up and down, and means for horizontally supporting the top plate material from below so that it can be lifted up and down.