JP2003013606A - Construction system of temporary scaffolding and hanger used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the construction system of a temporary scaffolding provided with a roof part capable of covering and easily forming the whole construction site. SOLUTION: The construction system is constituted of a process for constructing an outer scaffolding on the circumstance of a building intended to be built, a process for erecting a scaffolding tower on a building constructing and planning site of the center part of the outer scaffolding, a process for forming the roof part so as to lower and incline the upper end of the scaffolding tower and the corner part of the outer scaffolding and/or a straight line part toward the outer scaffolding, and a process for dismantling and removing the scaffolding tower after connection completion.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a construction system for a temporary scaffolding capable of working without trouble even in rainy weather, and a construction for constructing an outer wall of a building without using a crane used for the system. Regarding the ingredients.

[0002]

2. Description of the Related Art Temporary scaffolds having a roof portion that can be operated even in rainy weather are known. However, the conventional roof part has a problem that it cannot cover the entire construction site or that the roof part is difficult to form.

On the other hand, conventionally, a large crane has been used to carry and attach the outer wall of the building. However,
Especially at construction sites such as in central Tokyo, it was difficult to secure a place for large cranes to enter. In addition, when the roof is formed on the temporary scaffold, there is a problem that the building outer wall cannot be constructed using the crane. This is because the roof part interferes and the outer wall (panel) cannot be dropped and fitted onto the anchor bolt on the foundation.

[0004]

The invention according to claim 1 of the present invention relates to a temporary scaffolding provided with a roof part capable of covering the entire construction site and easily forming a roof part. The purpose is to provide a construction system.

According to the second aspect of the present invention, even when the roof portion is formed, the panel can be dropped onto the anchor bolts on the foundation to be fitted thereto, and at the same time the building surroundings can be easily attached to the scaffold. The purpose is to provide a hanging device that goes around.

[0006]

The invention according to claim 1 of the present invention which meets the above object, comprises the steps of constructing an external scaffold around the building to be constructed, and building construction in the central part of the external scaffold. A step of standing a scaffolding tower on the planned site, and a step of connecting the upper end of the scaffolding tower and the corner and / or straight part of the external scaffold so as to be inclined downward toward the external scaffolding to form a roof part. And a step of dismantling and removing the scaffold tower after the connection is completed.

In summary, the invention according to claim 1 makes it possible to easily form a roof portion capable of covering the entire construction site by erecting the scaffold tower. Is. In the past, however, it has not been done at all to form the roof portion by erected the scaffold tower.

On the inner circumference of the outer scaffold, a roller-type suspender that moves around the building may be suspended and fixed via a bracket (claim 2). By doing so, even if the roof portion is formed, the panel can be dropped onto the anchor bolt on the foundation and fitted. In the past, however, it has never been possible to drop a panel onto an anchor bolt on a foundation without using a crane.

According to the third aspect of the present invention, the bracket fixed to the inner circumference of the outer scaffold with a space, the pipe on the inner circumference of the scaffold fixed to the bracket, and the suspension fixed to the pipe. And a rail part which is suspended from and fixed to a pipe and is disposed on the entire inner circumference of the scaffold, and a running part which is held so as to run on the rail part. It is characterized in that it is provided with a winch that is suspended on a running part.

In summary, the invention according to claim 3 facilitates fixing to the scaffold by suspending and fixing the rail portion, but the rail portion has not been suspended conventionally. Such an idea is not known at all.

It is preferable that the bracket includes a gripping tool for gripping the scaffold at one end and a gripping tool for gripping the pipe at the other end (claim 4).

The rail portion is formed by connecting a chamber opened downward and a chamber opened upward, and the traveling portion is formed in a tubular shape opened downward. The winch hanging wall of the strip-shaped portion is held so as to be able to move by contacting a chamber opened downward of the rail portion via a roller, and the other wall of the traveling portion is located above the rail portion. Fitted so that a wheel fixed to the lower end of the other wall can travel on a rail provided at the bottom of the chamber that is opened upward while being held so as to be movable through rollers in the chamber that is opened toward It may be configured to hold it (Claim 5).

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings.

External scaffolds 2 are preliminarily constructed at intervals on the outer periphery of the foundation 1 of the building, and a scaffold tower 3 is erected at a planned building site in the center of the external scaffolds 2.

An upper end portion of the scaffold tower 3 and a corner portion of the outer scaffold are connected and fixed by a pipe 4 so as to be inclined downward toward the outer scaffold. Connecting and fixing is a square plate (not shown in the figure although it is located at the top of the scaffold tower)
The fitting is done by fitting the locking tool into the hole of the graph lock fixed to the pipe. In addition, the peripheral edge of the quadrangular plate is inclined downward so as to contact the pipe,
The contacts are connected.

The upper end of the scaffold tower 3 and the straight part of the outer scaffold are connected by a pipe 4'so as to descend and incline toward the outer scaffold 2 by a similar connecting means using a graphic lock. This is to prevent the outer scaffold 2 from inclining inward. Incidentally, in the present invention, the connecting and fixing means for connecting the plate body and the pipes 4 and 4'is of course not particularly limited.

A roof portion is formed by the pipes 4 and 4 ', and a reinforcing frame body 5 formed of a pipe is fixed to a lower portion of the roof portion. This is to reinforce the strength of the roof after removing the scaffold tower. In the above embodiment, the reinforcing frame body 5 is formed in a quadrangle, but this shape is not particularly limited.

The roof portion of the present invention is formed so as to be inclined downward toward the outer scaffold 2. By forming in this way, the roof portion of the building is easily formed, and rainwater does not collect on the roof portion.

After forming the roof in this manner, the scaffold tower 3 is dismantled and removed. It should be noted that the roof portion is configured to be covered with a sheet in case of rain. The pipes 4 and 4 ′ are welded with graphic locks for fixing the sheet at predetermined intervals, and the sheet is stretched by inserting a locking tool fixed to the sheet as described above. At the end of the building of the building body, the roof part and the suspenders 6 described later are disassembled and returned to the normal scaffolding.

Inside the outer scaffold 2, as shown in FIG. 2, a roller-type hanger 6 is suspended and fixed to a pipe 8 fixed to a bracket 7. The bracket 7 holds two places on the scaffold 2 with two holding tools at one end and one place on the pipe 8 with one holding tool at the other end.
The pipe 8 is fixed to the inner periphery of the scaffold in a ring shape, and is similarly held by the bracket 7 at predetermined intervals.

As shown in FIGS. 2 and 3, the rail portion of the roller-shaped suspending tool 6 is suspended and fixed to the pipe 8 fixed to the bracket 7 over the entire inner circumference of the scaffold.
Therefore, in the above-mentioned embodiment, the corner is formed in an elliptical shape so that the running portion can be bent without hindrance, although it has the same quadrangle as the scaffold.

The rail portion 9 is a chamber 1 opened downward.
0 and a chamber 11 that opens upward are formed in a quadrangular tube shape, and the bottom of the chamber 11 has a ridge 1 that serves as a rail.
2 is formed.

The running portion is formed in a tubular body having an open lower portion, and a winch 13 hanging wall 14 of the tubular body is fixed to the wall 14 in a chamber 10 opened downward from the rail portion. It is held so as to be able to move in contact with the wall of the chamber 10 via rollers 15. Two rollers 15 are fixed to the wall 14 so as to face each other in the traveling direction.

Wheels 16 are movably fitted to the ridges 12 on the bottom of the chamber 11 of the rail portion, and two wheels 16 are fixed to the lower end of the other wall 17 of the traveling portion so as to face each other in the traveling direction. ing.

The upper portion of the other wall 17 of the running portion is bent so as to be positioned in the center of the chamber 11, and rollers 15a and 15a 'are fixed to both sides of the other wall 17 so as to face each other.
The a and 15a 'are in contact with both side walls of the chamber 11 so as to be rotatable. Incidentally, the rollers 15a, 15a '
Are fixed to each other so as to face each other in the traveling direction.

The running portion of the lifting device of the present invention may be electrically orbitally movable or manually movable.

In order to construct an outer wall by using the hanging device of the present invention, first, the panel is suspended by the winch 13, and the panel is dropped from directly above the anchor bolt on the foundation to fit the panel to the anchor bolt. . Then, move the suspenders around the building in sequence, perform the same work, raise the winch when the installation of all the panels on the first floor is completed, and repeat the above work to build the outer wall of the building from the lower floor to the upper floor. Just build it.

Since the panel can be attached as described above, it is not necessary to attach the panel by crane work from the upper part of the scaffold as in the conventional case, and the panel can be attached without any trouble even if the scaffold has a roof portion. be able to.

Further, according to the present invention, since the scaffold tower is erected to form the roof portion of the scaffold, the roof portion can be formed extremely easily.

Further, since the suspending device of the present invention is for suspending and fixing, the suspending device can be easily fixed to the scaffold.

[0031]

According to the invention described in claim 1 of the present invention, the roof portion covering the construction site can be formed extremely easily, and the work can be performed without trouble even in rainy weather. Efficiency is dramatically improved.

According to the second aspect of the invention, even if the roof portion is formed as in the first aspect of the invention, the panel can be dropped onto the anchor bolts on the foundation and fitted. With it, it can be easily attached to the scaffold,
Work can be performed very efficiently even in places where large cranes cannot enter.

Therefore, according to the present invention, it is possible to perform the closing work which has not been possible even in rainy weather, so that the construction period and labor cost can be greatly reduced.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a side view showing an embodiment of the present invention.

FIG. 3 is a cross-sectional view showing an example of a hanging tool of the present invention.

[Explanation of symbols]

2 ... External scaffolding 3 ……… Scaffolding tower 4,4 '......... Pipe 5 ... Reinforcing frame 6 ... Roller type hanging 7 ......... Bracket 8 ......... pipe 9 ... …… Rail part 13 ... Winches

Claims (5)

[Claims] 1. A step of constructing an external scaffold around a building to be constructed, a step of standing a scaffold tower at a planned construction site of a building in a central portion of the external scaffold, an upper end of the scaffold tower and the external scaffold. The step of connecting the corner portion and / or the linear portion of the vehicle so as to be inclined downward toward the external scaffold to form a roof portion, and the step of dismantling and removing the scaffold tower after the completion of the connection. Construction system for temporary scaffolding equipped with a characteristic roof. 2. The construction system according to claim 1, wherein a roller-type suspender that moves around a building is suspended and fixed to the inner circumference of the outer scaffold via a bracket. 3. A bracket comprising a bracket fixed to the inner circumference of the outer scaffold at intervals, a pipe on the inner circumference of the scaffold fixed to the bracket, and a hanger suspended and fixed to the pipe. The hanger includes a rail portion that is suspended and fixed to a pipe and that is disposed over the entire inner circumference of the scaffold, a traveling portion that is held so that the rail portion can travel, and a winch that is suspended by the traveling portion. A suspender that circulates around a building, characterized by comprising: 4. The suspension according to claim 2, wherein the bracket comprises a gripping tool for gripping the scaffold at one end and a gripping tool for gripping the pipe at the other end. 5. The rail portion is formed by connecting a chamber opening downward and a chamber opening upward, and the running portion is formed in a tubular shape opening downward. The winch hanging wall of the traveling portion is held so as to be able to move via a roller in a chamber opened downward of the rail portion, and the other wall of the traveling portion is above the rail portion. The wheel fixed to the lower end of the other wall is held so as to be able to move through a roller in the room opened toward the wheel so that it can travel on a rail provided at the bottom of the room opened toward the upper side. The sling according to claim 3 or 4, which is held together.