JPH07116846B2 - Balcony unit hanging equipment connection structure and installation method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging unit connecting structure for a balcony unit and a method of installing the hanging unit, and particularly, it can be used for a balcony portion of a prefabricated building constructed by a unit construction method.

[0002]

2. Description of the Related Art Conventionally, a unit construction method has been widely used for building a house or the like for the purpose of simplifying work at a construction site, shortening a construction period, and reducing costs. In this unit construction method, for example, as shown in FIG. 4, building units such as a living room unit 51 and a balcony unit 52 that constitute a prefabricated building 50 are factory-produced in advance, and these building units are arrayed and laminated at a construction site. Buildings are constructed by interconnecting them.

The balcony unit 52 is a substantially flat floor
53, and a handrail part 54 that rises from the peripheral edge of the floor part 53 in a substantially U-shape in a plane. The floor 53 has its frame 55 as a frame (not shown) of another living room unit 51.
The balcony unit 52 can be connected to another building unit by bolting to the above via a connecting portion. In order to perform such a connecting work, a plurality of connecting work openings 57 are provided at the four corners of the upper surface of the floor panel 56 forming the floor part 53 at positions corresponding to the connecting parts. These connection work openings 57 are closed with a predetermined lid after the connection work is completed, and are covered with a waterproof sheet or the like laid on the floor portion 53.

By the way, in order to install each building unit at a predetermined position on a construction site, it is often installed by suspending the building unit with a crane or the like. Therefore, in the balcony unit 52,
A suspender attachment portion is provided at a predetermined position of the frame 55, and a suspending work opening 58 is provided on the floor panel 56 at a position corresponding to the suspender attachment portion, separately from the above-described connecting work opening 57. There are multiple. These hoisting work openings 58 are closed with a predetermined lid after the hoisting work is completed, and are covered with a waterproof sheet or the like laid on the floor portion 53.

In such a balcony unit 52, at the construction site, the tip of the wire 60, which is a suspender extending from the crane 59, is connected to the suspender attachment portion through the suspending work opening 58 to perform suspending work. Next, the wire 60
After removing from the suspender attachment portion, the frame 55 is connected to the frame of another building unit 51 through the connecting work opening 57, and thereby the balcony unit 52 is connected. Finally, the hanging work opening 57 and the connecting work opening
58 is closed with a predetermined lid and is subjected to a waterproofing treatment with a waterproof sheet or the like laid on the floor 53 to complete the installation work of the balcony unit 52.

[0006]

However, such a balcony unit 52 has an opening for hanging it on the floor 53.
Since the 57 and the connecting work opening 58 are separately provided, a complicated work of separately closing all the openings after each work is required. Therefore, there has been a problem that the work at the construction site increases, the work efficiency decreases, and the purpose of the prefabricated construction method cannot be sufficiently achieved.

Further, since the floor 53 has a large number of openings in the floor panel 56, there is a problem that it takes time to manufacture it in the factory. Further, in the factory, it is necessary to separately manufacture a lid that closes each of the openings, which reduces the production efficiency in the factory, complicates parts management, and raises the cost of the balcony unit 52.

Further, the openings provided in the floor panel 56 are
Although the waterproof treatment is applied after the work is completed, it is likely to cause water leakage due to rainwater, and the balcony unit 52 provided with such a large number of openings has a problem that there are many places where water leakage may occur.

An object of the present invention is to improve the production efficiency of a balcony unit in a factory, to simplify and efficiently perform the work at a construction site, and to further improve waterproofness. To provide.

[0010]

SUMMARY OF THE INVENTION A hanging unit connecting structure for a balcony unit of the present invention is a hanging unit connecting structure for a balcony unit for connecting a hanging unit for hanging a balcony unit installed in a prefabricated building to the balcony unit. A plurality of connection work openings for connecting the frame of the balcony unit to the frame of the prefabricated building are provided on the upper surface of the floor of the balcony unit, and the frame of the balcony unit has the connection. It is characterized in that the hanging attachment part is provided at a position corresponding to the working opening.

Here, as the suspending tool, a wire or the like having a hook extending from the crane hook can be used. Then, the frame of the balcony unit may be previously provided with an eyebolt to which the hook can be connected, or the frame may be formed to be connectable to the hook.

The method of installing a balcony unit according to the present invention is a method of installing a balcony unit installed in a prefabricated building, wherein the prefabricated building is installed in an opening for connection work provided in advance on the upper surface of the floor of the balcony unit. Of the prefabricated building and the frame of the prefabricated building through the connection work opening, by suspending the balcony unit with a suspender connected to the suspender mount at the construction site. Is connected.

Here, when connecting the balcony unit and the prefabricated building, it is necessary to remove the hanging device connected to the hanging device mounting portion provided inside the connecting work opening to secure a working space. Is preferred.

[0014]

In the present invention as described above, since the suspender attachment is provided corresponding to the connecting work opening, it is not necessary to separately provide the suspending work opening. For this reason, the number of openings to be closed after the balcony unit is installed is reduced, and the site work can be simplified and efficiently performed. Also,
Since the number of openings can be reduced, the floor panel can be manufactured more easily than the conventional balcony unit, and the cost of the balcony unit can be reduced by facilitating the manufacturing of the lid and the parts management. Further, the number of openings of the floor panel, which has a problem of waterproofness, is smaller than that of the conventional balcony unit, so that the number of locations where water leaks is reduced accordingly, thereby achieving the above object.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment according to the present invention will be described below with reference to the drawings. 1 to 3 show an embodiment according to the present invention. The balcony unit of the present embodiment includes a substantially flat plate-shaped floor portion and a handrail portion (not shown) which rises from the peripheral edge of the floor portion in a substantially U-shape in plan view, and the basic configuration thereof is the conventional balcony unit shown in FIG. Is almost the same as.

1 to 3 show a corner of a floor portion 10 of a balcony unit constructed according to the present invention, and a balcony unit and another building unit are provided at predetermined positions on the upper surface thereof. There is a connecting work opening 11 used for connecting work of
A frame 12 built into the frame 10 is provided with a hanger attachment portion 13 at a position corresponding to the connecting work opening 11.

The frame 12 includes two vertical beams 14 and two horizontal beams 15,
A plurality of bridges 15 are installed between the horizontal beams 15 facing each other, and a joist 17 capable of supporting a floor panel 16 is formed into a frame shape. In such a frame 12, a connecting portion 18 for connecting the frame 12 and a frame of another building unit is provided at each joint of the vertical beam 14 and the horizontal beam 15.

The connecting portion 18 has an insertion hole 20 through which the connecting bolt 19 can be inserted. By tightening the connecting bolt 19 into a nut member 22 provided on a frame 21 of another building unit, the connecting portion 18 can be connected to the balcony unit. It can be connected to other building units. The floor panel 16 is provided with cutouts 16A at the portions where the connecting portions 18 are provided, and the opening members 23 are fitted into the cutouts 16A.

The opening member 23 is a flat rectangular plate member,
First support member 25 provided on bracket 14 via bracket 24
And a second support member 27 provided on the joist 17 via a bracket 26. Such an opening member 23
Is designed so that the connection work between the balcony unit and the prefabricated building can be performed by hand through the connection work opening 11 provided at a predetermined position close to the connection portion 18, and the connection work opening 11 is provided at a position corresponding to the connection work opening 11. A suspender attachment portion 13 to which the suspending bolt 28 can be attached is provided.

The hanger attachment portion 13 has a substantially U-shaped cross section, and is reinforced by a rib 30 having a nut member 29 into which a hanger bolt 28 can be screwed between its flanges 13A. Hanging bolt
A hook formed at the tip of a wire, which is a suspender, can be connected to the hook 28, and the hook can be attached to and detached from the nut member 29. Such a hanger attachment portion 13 is a flange 14 of a vertical beam 14.
It is arranged in a nested manner between A and is welded and fixed so that it does not interfere with the first supporting member 25 by the notch portion 25A.

The floor portion 10 of the balcony unit in this embodiment as described above is transported to the construction site with the suspension bolts 28 attached to the suspension attachment portions 13 in advance at the factory. At this time, the balcony unit may be closed without the lid 31 fixing the connection work opening 11 or the connection work opening.
11 is opened and the lid 31 is temporarily fixed to another position and transported to the construction site. At a construction site, a hook provided at the tip of a wire, which is a suspender extending from a crane, is passed through the connecting work opening 11 and engaged with a suspending bolt 28 to suspend the balcony unit. Then, the balcony unit is installed at a predetermined position, the hook is removed from the suspension bolt 28 to the wire, and the suspension bolt 28 is also removed from the suspension attachment portion 13. Next, a hand is passed through the connecting work opening 11, the connecting bolt 19 is inserted into the insertion hole 20 of the connecting portion 18, and the nut member 22 provided on the frame 21 of another building unit.
Perform connection work by tightening to. Finally, the connection work opening 11 is closed with a lid 31 and fixed by an appropriate means such as bonding, and a waterproofing process is performed to cover it with a waterproof sheet laid on the entire upper surface of the floor 10, and the balcony unit is installed. Complete.

According to the present embodiment as described above, the hanging operation of the balcony unit can be performed by engaging the hook of the wire with the hanging bolt 28 through the connecting work opening 11.
And the connection work of the balcony unit is an opening for connection work 11
Through connecting bolt 19 to frame 21 of other building unit
This can be done by tightening it on the nut member 22 of the above, and it can be performed in substantially the same manner as the conventional balcony unit.

On the other hand, in this embodiment, since the connecting work opening 11 can be used also as a hanging work opening, the number of openings in the floor portion 10 can be reduced. Therefore, the work of closing each connecting work opening 11 with the lid 31 can be reduced as compared with the conventional balcony unit, and the work on the construction site can be simplified and efficiently performed. Further, since the work in the factory where the floor portion 10 is preliminarily produced can be simplified, the production efficiency of the balcony unit in the factory can be increased and the cost of the prefabricated building can be reduced. Particularly, the connecting work opening 11 in this embodiment is a cutout portion of the floor panel 16.
Since it is provided in the opening member 23 arranged in 16A, the floor panel 16 can be easily manufactured in the factory, and the production work can be further simplified.

Further, since there are few openings provided in the floor portion 10, that is, the number of locations where there is a possibility of water leakage due to rainwater can be reduced, there is less risk of water leakage as compared with the conventional balcony unit. Become.

Further, since the hanging bolt 28 is detachably screwed to the hanging device mounting portion 13, by removing these, it does not hinder the tightening of the connecting bolt 19 from the connecting work opening 11. A sufficient working space can be secured, and the connection work between the balcony unit and another building unit becomes easy.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and improvements, modifications and the like within the scope of achieving the present invention are included in the present invention.

For example, the connecting work opening 11 may be an ellipse, an ellipse, a polygon, etc. other than the circle adopted in this embodiment. Further, the connecting work opening 11 is not provided in the opening member 23, and this opening is not provided. The member 23 may be directly used as a lid so that the wire for hanging work can be engaged with the hanging bolt 28 and the connecting bolt can be used.
Anything that does not interfere with tightening 19 can be used.

Further, the connecting work opening 11 in this embodiment is also provided.
Was provided in the opening member 23 provided separately from the floor panel 16, but may be provided directly in the floor panel 16. According to this, it is not necessary to prepare the opening member 23 separately from the floor panel 16, and the cost of the balcony unit can be further reduced by reducing the number of parts constituting the floor portion 10.

Further, it is sufficient that the hanging fixture mounting portion 13 is provided so that the hanging bolt 28 corresponds to the position of the connecting work opening 11, and the mounting form on the frame 12 and the method of mounting the hanging bolt 28, etc. It is optional. At this time, it is desirable that the suspension bolts 28 be attached such that the load direction of the balcony unit is toward the position where the wires are gathered as in the above embodiment.

Further, the suspension bolt 28 in this embodiment is
Although it was previously attached to the hanging bolt fixture 13 at the factory, it was previously engaged with the tip of the wire extending from the crane hook used for the hanging work, and the hanging bolt fixture 13 was used during the hanging work at the construction site. It may be attached to. According to this, it is possible to prevent the number of suspension bolts 28 from being insufficient and not yet collected during each work, and the suspension bolts 28 can be reliably reused.

Further, in the present invention, the suspension bolt 28 is not essential, and the suspension attachment portion 13 may be provided with a hole into which the hook at the tip of the wire can be engaged. According to this method, the suspension bolts 28 are unnecessary, the number of components of the balcony unit can be reduced, the cost of the prefabricated building can be further reduced, and the attachment / detachment work of the suspension bolts 28 is also unnecessary, and the site work can be performed. Can be further simplified.

[0032]

According to the present invention as described above, the production efficiency of the balcony unit in the factory can be improved, and the work on the construction site can be simplified and efficiently performed.
Furthermore, the waterproof property can be improved.

[Brief description of drawings]

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

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is an overall perspective view showing a conventional example.

[Explanation of symbols]

 10 Floor 11 Opening for connecting work 12 Frame 13 Hanging equipment attachment 50 Prefabricated building 52 Balcony unit

Claims (2)

[Claims] 1. A hanging device connecting structure for a balcony unit for connecting a hanging device for hanging a balcony unit installed in a prefabricated building to the balcony unit, wherein the balcony unit is provided on an upper surface of a floor of the balcony unit. Is provided with a plurality of connecting work openings for connecting the frame to the frame of the prefabricated building, and the frame of the balcony unit is provided with a suspender attachment portion at a position corresponding to the connecting work opening. The hanging unit connection structure of the balcony unit, which is characterized in that 2. A method of installing a balcony unit to be installed in a prefabricated building, wherein a connecting part for connecting to the prefabricated building and a hanger attachment part are provided inside an opening for connecting work provided in advance on a floor of the balcony unit. Is provided,
A method of installing a balcony unit, wherein the balcony unit is hung by a hanging tool connected to the hanging tool mounting section at a construction site, and the connecting section and the frame of a prefab building are connected through the connecting work opening. .