JP2539997B2 - Beam mounting - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixture for small beams,
For example, the present invention relates to a beam attachment suitable for installing a beam for ceiling or floor on a pair of beams facing each other in a building unit which is a constituent element of a building.

[0002]

[Background Art] In recent years, the unit construction method, which has come to be widely used for building buildings such as houses, uses modular building units such as a living room unit and a roof unit, which are assembled with various parts constituting the building, in a factory. After production, these building units are transported to the construction site, and at the construction site, these building units are combined to construct a unit building. Such a unit construction method has the advantages of simplifying the work at the construction site and shortening the construction period.

In such a building unit, a ceiling frame and a floor beam are erected between upper and lower ends of columns erected at four corners to form a box-shaped frame, and opposite long sides are opposed to each other. A small beam, that is, a beam for a floor joist or a ceiling is erected between the floor beam and the ceiling beam on the side, and the floor and the ceiling are formed in the building unit by using these small beams.

FIG. 5 is a side sectional view showing a conventional beam attachment device attached to a floor beam. As shown in FIG. 5, as the steel material of the floor beam 1 of the building unit, for example, a C channel material having a U-shaped cross section is often used. This floor beam 1
It comprises a web 2 and an upper flange 4 and a lower flange 6 extending from the web 2 at right angles.

To lay a joist on the floor beam 1, the inner surface 6A of the lower flange 6 supports the bottom surface of the end portion of the joist not shown, and the side surface of the end portion of the joist is attached to the inside of the floor beam 1. This is done by fixing it to the fixture 8 for joining.

The fixture 8 has its upper end 8A attached to the inner surface 4A of the upper flange 4 of the floor beam 1 and its lower end 8B to the inner surface 6A of the lower flange 6 by spot welding. Therefore, the vertical dimension between the upper end 8A and the lower end 8B of the fixture 8 needs to be formed to be the same as the dimension L1 between the inner surface 4A and the inner surface 6A (hereinafter, the inner surface dimension).

[0007]

By the way, as the floor beam, a beam having a different wall thickness may be used depending on the load applied to the beam. However, since the outer dimension L2 of the C channel material used for the floor beam 1 of the building unit is standardized, the outer dimension L2 may vary depending on the type of beam.
Even if the same, the inner dimension L1 will be different,
Also for the fixture 8, a fixture that matches the inner surface dimension L1 of the floor beam 1 is required for each type of beam.

Although not shown, the joists erected via the fixtures 8 have a height dimension which is flush with the outer surface 4B of the upper flange 4 of the floor beam 1 in terms of floor finishing and the like. desirable. For example, when the joist is brought into contact with and supported by the inner surface 6A of the lower flange 6, the height dimension of the joist to be flush with the outer surface 4B is from the outer dimension L2 of the floor beam 1 to the wall thickness of the lower flange 6. It is the size obtained by subtracting t. Therefore, the wall thickness t
If the difference is different, the height dimension of the joist changes as in the case of the fixture 8, and the joist corresponding to the type of beam is required.

However, preparing fixtures and joists of different sizes for each type of floor beam causes complication of parts management in a building unit manufacturing factory, and increases cost due to diversification of parts. Cause.

The present invention has been made in view of the above circumstances, and when a beam is erected by using a fixture, even if there are many types of beams to be erected, An object of the present invention is to provide a fixture for a beam that can be handled with a variety of fixtures and requires only one type of beam to be installed.

[0011]

The present invention is provided in four corners.
Pillars and the upper and lower ends of these pillars.
Vertically extending horizontally from the upper and lower edges of Eve and this web
Between a beam having a flange and the two beams facing each other
Of the building unit formed including the beam that is erected on
Beam attachment for attaching the end of the beam to the beam
Being fixed to the end of the beam and above the beam
Has a vertical dimension smaller than the inner surface dimension of the lower flange
A fixed part perpendicular to the longitudinal direction of the beam and the front of this fixed part
The beam extends from the end on the beam side in the longitudinal direction of this beam, and
A first joint portion joined to the web of
A supporting surface on which the end is placed, and the beam extending from the supporting surface
Is joined to the outer surface of one of the upper and lower flanges of
And a second joint portion formed by cutting.

[0012]

According to the present invention, the upper and lower parts of the fixing portion of the beam attachment are fixed.
Dimension is sufficiently smaller than the dimension between the inner surface of the flange of the beam
Then, a first joint portion joined to the web of the beam and a second joint portion joined to one flange outer surface of the beam are provided, and these first and second joint portions are connected to the beam. The fixture is attached to the beam by joining. That is, on the beam
Dimension between the inner surface of the lower flange and the fixing part of the fixture of the beam
The flange thickness of the beam is changed by the size difference from the vertical dimension.
The girder fixture is attached to the beam by connecting the web of the beam and one of the flanges to each other, so that the dimension of the inner surface between the lower flange and the upper flange is not restricted. , Beams can be attached to the beam.

Further, the height position of the fixture with respect to the beam is determined on the basis of the position of the outer surface of the one flange to which the second joint portion of the fixture is joined. Therefore, the distance from the supporting surface of the fixture to the outer surface of the other flange is constant regardless of the wall thickness of the flange if the outer dimensions of the beam are the same. Therefore, the height dimension of the beam supported on the support surface of the fixture can be made constant regardless of the wall thickness dimension of the flange. Further, the fixing portion for mounting the beam is the beam.
Since it is provided perpendicular to the longitudinal direction of
Fix the beam and the fixture of this beam on both left and right sides of the beam.
Since it can be easily tightened with bolts and nuts,
Beams can be efficiently attached to the beams. Especially the building
In the production of the unit, a large number of frames are mounted between the beams facing each other.
When fixing floor joists and ceiling beams to be installed, the effect is
It is remarkable.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing an embodiment of a beam attachment according to the present invention.

First, an embodiment of a floor girder, that is, a fixture used when a joist is erected on the floor girder will be described.

FIG. 1 is a schematic perspective view of a building unit to which a beam attachment according to the present invention is applied, FIG. 2 is a perspective view of a main part of the beam attachment according to this embodiment, and FIG. FIG. 4 is a side cross-sectional view showing a case where a joist is installed on a floor girder by the beam attachment according to the present embodiment, and FIG. 4 is a case where a joist is installed on the floor girder by the beam attachment according to this example. It is a principal part perspective view shown.

The building unit 10 of FIG. 1 is composed of a pillar 12, a ceiling beam 14 in the long side direction, a ceiling beam 15 in the short side direction, a floor beam 16 in the long side direction, a floor beam 17 in the short side direction, and the like. It

Two ceiling beams 14 and 15 and two floor beams 16 and 17 are bridged between the upper ends and the lower ends of the columns 12 erected at the four corners, whereby the framework of the rectangular parallelepiped building unit 10 is constructed. Is formed. Here, the pillar 12
It is a square pipe having a quadrangular cross section, and the ceiling beams 14 and 15 and the floor beams 16 and 17 are C channel materials having a U-shaped cross section.

As shown in FIG. 2, the floor beam 16 of the building unit 10 includes a web 20, and a pair of a lower flange 22 and an upper flange 24 extending at right angles from both ends of the web 20.
It is composed of A plurality of fixtures 18 are attached to the floor beam 16 at predetermined intervals, and joists 26 are installed between the floor beams 16 facing each other through the fixtures 18.

The beam attachment 18 is constructed around a fixing portion 18A for fixing the joist 26. In the fixed portion 18A,
The first joint portion 18B is at a right angle bend formed with respect to the fixed portion 18A, it is spot welded to the first joint portion 18B is the web 20 of the floor beam 16. And of the beam
The vertical dimension of the fixed portion 18A of the fixture 18 is a pair of flan
Between the inner surfaces between the flange portion 22 and the flange portion 24
The beam is sufficiently smaller than the dimension L3,
There is a gap between the fixture 18 and the floor beam 16.
It Further, the second joint portion 18 is provided below the fixing portion 18A.
C is formed by utilizing the horizontal portion of the angle member. This
Angle member of its side edge is welded to the lower portion of the fixed portion 18A, which is extended a second joint portion 18C in the direction of the lower flange 22.

The second joint portion 18C has a lower flange 22.
Is spot-welded to the outer surface 22A of the fixture, so that the fixture 1
8 is attached to the floor beam 16. That is, the fixture 18
Is attached to the floor beam 16 without connecting the upper flange 24 and the lower flange 22 as shown in FIG.
The floor beam 16 can be mounted without any restriction by the inner surface dimension L3 between B.

Further, an angle member is welded to the lower end of the fixing portion 18A adjacent to the second joint portion 18C as shown in FIG. 2, and the end portion 26A of the joist 26 is formed by the angle member.
Is formed with a support surface 18D. On the other hand, an angle member is also attached to the upper end of the fixed portion 18A, and the support surface 18E is formed by using the angle member. Therefore,
As shown in FIG. 4, the joist 26 has a mounting member 18 with its end 26A sandwiched between the supporting surfaces 18D and 18E.
Mounted on.

Here, as shown in FIG. 2, the height dimension H1 of the entire joist 26 is formed to be flush with the outer surface 24A of the flange 24, and the height dimension H2 of the end portion 26 thereof. Is formed to have the same size as the distance between the support surfaces 18D and 18E.

Further, the distance L4 from the support surface 18D to the outer surface 24A of the upper flange 24 of the floor beam 16 is constant as long as the outer dimension L5 is constant even in the case where the upper flange 24 or the lower flange 22 has a different wall thickness t. , Always constant.
Therefore, the height dimension H1 of the joist 26 is set to the upper flange 24.
If the height is set to be flush with the outer surface 24A of the, the upper surface 2 of the joist 26 after erection, as long as the fixture 18 is used.
6B and the outer surface 24A of the upper flange 24 can always be flush with each other.

As described above, in this embodiment, the fixture 18
Is attached to the floor beam 16 by joining the first joint portion 18B to the web 20 of the floor beam 16 and the second joint portion 18C to the outer surface 22A of the lower flange 22. Therefore, the fixture 18 can be attached to the floor beam 16 without any restriction by the inner surface dimension L1 between the upper flange 24 and the lower flange 22 shown in FIG.

As a result, even in the case of the floor beam 16 in which the lower flange 22 and the upper flange 24 have different wall thicknesses t, only one type of fixture is required, so that the number of parts required for assembling the building unit is reduced, and the parts management is reduced. However, the problems such as high complexity and high cost due to other types of parts are solved. Also,
The fixing portion 18A for mounting the beam 26 is
Since it is provided perpendicular to the longitudinal direction,
The beam 26 and the fixture 18 for this beam are fixed to the beam 2 described above.
Easy to tighten with bolts and nuts on both left and right side of 6
Therefore, the beam 26 can be efficiently attached to the beam 16.
Can be attached. Especially in the production of building units
Floor joists and ceilings installed between beams facing each other
The effect is remarkable when the beam is fixed. Moreover,
Since the web 20 and the lower flange 22 are connected to each other by the fixture 18, the function of preventing the lower flange 22 from bending downward can be maintained.

Further, since the position of the fixture 18 with respect to the floor beam 16 is determined on the basis of the position of the outer surface 22A of the lower flange 22, the supporting surface 18D and the outer surface 24A of the upper flange 24.
If the outside dimension L5 of the floor beam 16 is the same, the distance to is constant regardless of the wall thickness dimension t of the upper flange 22 and the lower flange 24. That is, the height dimension H1 of the joist 26
Is the upper flange 1 even if the floor beams 16 have different wall thicknesses t.
6A and the lower flange 16B will be determined without any restriction by the inner surface dimension L3. As a result, only one type of joist 26 is required for the floor beams 16 having different wall thicknesses t, and the joist 26 required for the building unit 10 can be shared.

Further, the joist 26 has an end portion 26A sandwiched between it and the support surfaces 18D and 18E, and the fixture 1
Since it is fixed to 8, the height dimension H2 of the end portion 26A can be fixed as long as the fixture 18 is used.

In the present embodiment, the case where the joist 26 is attached to the floor beam 16 has been described, but the present invention is not limited to this, and the present invention can be applied to the case where a beam for ceiling is attached between the ceiling beams facing each other. . In this case, as in the case where the fixture 18 is attached to the ceiling beam and the joist 26 is fixed so that the support surface 18E of the fixture 18 is located on the lower side, the support surfaces 18D and 18E are fixed.
The end of the beam may be inserted between and.

In this embodiment, the fixed portion 18A is provided with the two support surfaces 18D and 18E.
Only the support surface 18D is provided on A, and the joist 2 is placed on the support surface 18D.
The end portion 26A of 6 may be fixed. According to this, the structure of the fixture 18 can be simplified.

[0031]

As described above, according to the present invention,
Even if there are many types of beams, one type of fixture can be used, so the number of types of fixtures for the beam used in manufacturing the building unit can be reduced. As a result, problems such as complicated parts management and different kinds of parts are solved. Ma
In addition, the fixing part for mounting the beam is arranged in the longitudinal direction of the beam.
Since it is installed vertically, the beam and the beam's
Fix the fixture with bolts and nuts etc. on both left and right sides of the beam.
Since it can be tightened more easily, the beam can be efficiently attached to the beam.
Can be installed. Further, since the height dimension of the beam can be made constant, it is possible to use the beam used in manufacturing the building unit in common.

[Brief description of drawings]

FIG. 1 is a schematic perspective view of a building unit to which a beam attachment according to the present invention is applied.

FIG. 2 is a perspective view of a main part of a beam attachment according to the present embodiment.

FIG. 3 is a side sectional view showing a case where joists are installed on the floor beam by the beam attachment according to the present embodiment.

FIG. 4 is a perspective view of essential parts showing a case where joists are installed on the floor beam by the beam attachment according to the present embodiment.

FIG. 5 is a side sectional view showing a conventional girder mount attached to a floor beam.

[Explanation of symbols]

 16 Floor Beam 18 Fixture 18A Fixed Part 18B First Joint 18C Second Joint 18D 18E Support Surface 20 Web 22 Lower Flange 24 Upper Flange 26 Joist

Claims (1)

(57) [Claims] 1. Pillars standing upright in four corners and upper ends of these pillars
And the upper and lower ends of the web
Beams with upper and lower flanges extending horizontally from
Including a girder installed between the two beams facing each other
Attach the end of the beam to the beam of the building unit to be formed.
A beam attachment for attaching the beam to the end of the beam.
It is fixed and from the dimension between the inner surfaces of the upper and lower flanges of the beam
Has a small vertical dimension and is perpendicular to the longitudinal direction of the beam.
The length of this beam from the fixed part and the end of this fixed part on the beam side
The first part extending in the hand direction and joined to the web of this beam
1, a support surface on which the end portion of the beam is placed,
One of the upper and lower flanges of the beam extending from this support surface
Having a second joint joined to the outer surface of the flange of
A beam attachment that is characterized by being attached.