JPH07324381A - Column-beam joining structure - Google Patents

Abstract

PURPOSE:To temporarily fix a back plate to a column with ease and for sure. CONSTITUTION:A back plate 2 is laid along the inner surface of a column 1, the end plate 6 of a beam 5 is laid along the outer surface of the column 1, and a mounting bolt 7 is screwed to the bolt hole 3 of the back plate 2 through the bolt insert hole 4 of the column 1 from the mounting hole 7 of the end plate 6 to connect the column 1 to the beam 5. At that time, temporary fixing holes 10, 11 are bored in the column 1 and the back plate 2, and a temporary fixing fixture 12 such as temporary fixing bolt is preliminarily inserted to the temporary fixing holes 10, 11 of the column 1 and the back plate 2 to temporarily fix the back plate 2 to the column 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a column-beam joining structure used for joining ends of a beam horizontally installed to a vertically standing column.

[0002]

2. Description of the Related Art Conventionally, when connecting an end portion of a beam 2 to a pillar 1, it has been performed as shown in FIG. A back plate 2 made of an angle is provided along the inner surface of the prismatic column 1, and a bolt hole 3 provided in the back plate 2 and a bolt insertion hole 4 drilled to penetrate the column 1 are made to correspond to each other. The back plate 2 made of an angle is fixed by spot welding. 9 shows the spot welded part. On the other hand, an end plate 6 is integrally provided on the end surface of the beam 5, and the end plate 6 is provided with a mounting hole 7 corresponding to the bolt insertion hole 4. The pillar 1 and the beam 5 processed in the factory as described above are transported to the site and assembled in the field as follows. Stand the pillar 1 vertically,
The end plate 6 on the end surface of the beam 5 installed horizontally is brought into contact with the outer surface of the pillar 1, and the mounting hole 7 of the end plate 6 and the pillar 1 are attached.
The mounting bolt 8 is inserted into the bolt insertion hole 4 from the mounting hole 7, and the mounting bolt 8 is screwed into the bolt hole 3.

[0003]

By the way, in the above-mentioned conventional example, since spot welding is used to temporarily fix the back plate 2 to the column 1, if the plate thickness is made thick, it cannot be fixed and cannot be fixed. However, there is a problem that strength is insufficient even if spot welding is possible. The present invention has been made in view of the above problems, and an object of the present invention is to easily and surely temporarily secure a back plate to a pillar and transport it to the site, and a beam to the pillar at the site. An object of the present invention is to provide a beam-column joint structure that can be easily joined.

[0004]

In order to achieve the above-mentioned object, in the column-beam joint structure of the present invention, a back plate 2 is provided along the inner surface of the space of the column 1, and a bolt hole 3 provided in the back plate 2 is formed. The bolt insertion holes 4 provided so as to penetrate the pillar 1 are made to correspond to each other, and the end plate 6 on the end surface of the beam 5 arranged so as to be orthogonal to the pillar 1 is brought into contact with the outer surface of the pillar 1 and is The mounting hole 7 provided in the plate 6 and the bolt insertion hole 4 of the pillar 1 are made to correspond to each other, and the mounting bolt 8 is inserted from the mounting hole 7 of the end plate 6 into the bolt insertion hole 4 of the pillar 1 and the mounting bolt 8 Are screwed into the bolt holes 3 of the back plate 2 and the end plate 6 is not in contact with the pillar 1
Also, the temporary fixing holes 10 and 11 are drilled in the back plate 2, and the temporary fixing holes 12 such as the temporary fixing bolts 12 such as temporary fixing bolts are inserted into the temporary fixing holes 10 and 11 of the column 1 and the back plate 2, respectively. It is characterized in that the plate 2 is temporarily fixed.

The back plate 2 is divided into an upper mounting back plate 2a and a lower mounting back plate 2b, and the upper mounting back plate 2a and the lower mounting back plate 2b are arranged above and below the inner surface of the space of the column 1. And the back plate 2a for mounting the upper part
And the bolt hole 3 provided in the lower mounting back plate 2b and the bolt insertion hole 4 provided so as to penetrate the pillar 1 are made to correspond to each other, and the end surface of the beam 5 arranged so as to be orthogonal to the pillar 1 is The end plate 6 is brought into contact with the outer surface of the pillar 1, and the mounting hole 7 provided in the end plate 6 and the bolt insertion hole 4 of the pillar 1 are made to correspond to each other, so that the mounting hole 7 of the end plate 6 is connected to the bolt of the pillar 1. The mounting bolts 8 are inserted into the insertion holes 4 and the mounting bolts 8 are screwed into the bolt holes 3 of the upper mounting back plate 2a and the lower mounting back plate 2b, so that the end plate 6 does not come into contact with the pillar 1 and Temporary fastening holes 10 and 11 are formed in the upper mounting back plate 2a and the lower mounting back plate 2b, and the temporary fastening holes 10 and 1 in the pillar 1 and the upper mounting back plate 2a and the lower mounting back plate 2b are formed.
It is also preferable that a temporary fixing fixture 12 such as a temporary fixing bolt is inserted into 1 and the upper mounting back plate 2a and the lower mounting back plate 2b are temporarily fixed to the pillar 1.

[0006]

[Operation] After temporarily fixing the back plate 2 to the pillar 1 at the factory, the pillar 1 and the beam 5 are transported to the site, and the beam 5 is attached to the pillar 1 by the bolts 8 at the site to attach the beam 5 to the pillar 1. Can be joined.
In order to temporarily fix the back plate 2 to the pillar 1 by inserting a temporary fixing fixture 12 such as a temporary fixing bolt into the temporary fixing holes 10 and 11, compared with the conventional spot welding. Thus, the back plate 2 can be temporarily and easily and surely fixed, and the back plate 2 does not fall off during transportation or the like, and the pillar 1 and the beam 5 can be easily joined on site.

In the case where the back plate 2 is divided into an upper mounting back plate 2a and a lower mounting back plate 2b, the beam is changed by changing the mounting positions of the upper mounting back plate 2a and the lower mounting back plate 2b. Even if the height of 5 is changed, it is possible to cope with it, and when joining beams 5 of different heights to the pillar 1, the common upper mounting back plate 2a and common lower mounting back plate 2b can be used in common.

[0008]

EXAMPLE In the case of this example, the pillar 1 is formed in the shape of a rectangular tube whose interior is a space over the entire vertical length as shown in FIG. 2 (a). The pillar 1 may be of any type as long as it has a space part extending up and down, and may have an H-shaped cross section as shown in FIG. 2B. In this embodiment, the back plate 2 is divided into an upper mounting back plate 2a and a lower mounting back plate 2b. In the case of the present embodiment, the upper mounting back plate 2a and the lower mounting back plate 2b are arranged as a set of four so as to be positioned on four circumferences, and are welded to the rectangular horizontal reinforcing plate 13 by welding such as butt welding. It's stuck. As shown in FIG. 3, a plurality of bolt holes 3 are provided on the upper mounting back plate 2a and the lower mounting back plate 2b, and a temporary fixing hole 10 is provided on the upper part of the upper mounting back plate 2a for lower mounting. A temporary fixing hole 10 is provided in the lower portion of the back plate 2b. Even if the bolt hole 3 is a screw hole 3a obtained by tapping the through hole as shown in FIG. 4A, the nut 3c is fixed by welding or the like so as to be continuous with the through hole 3b as shown in FIG. 4B. You can also use it. The temporary fixing hole 10 can also be screwed by tapping or fixing a nut. The upper mounting back plate 2a and the lower mounting back plate 2b, which are connected by the horizontal reinforcing plate 13, are inserted into the pillar 1 to be along the inner surface of the pillar 13, and bolt insertion holes formed so as to penetrate the pillar 1. 4 and the bolt hole 3 are made to correspond to each other, and the temporary fixing hole 11 drilled so as to penetrate the pillar 1 is made to correspond to the temporary fixing hole 10 of the upper mounting back plate 2a or the lower mounting back plate 2b. The temporary fixing bolt 12a is inserted from the temporary fixing hole 11 as the temporary fixing fixture 12, and the temporary fixing bolt 12a is screwed into the temporary fixing hole 10 to temporarily fix the upper mounting back plate 2a and the lower mounting back plate 2b. Will be stopped. At this time, the upper mounting back plate 2a or the lower mounting back plate 2b as the back plate 2
Since it is temporarily fixed to the temporary fixing fixture 12 such as the temporary fixing bolt 12a, it can be fixed more firmly than the conventional spot welding and can be dropped during transportation or the like. Absent. Further, since the upper mounting back plate 2a and the lower mounting back plate 2b are fixed to the horizontal reinforcing plate 13 and along the inner surface of the column 1, the temporary mounting can be performed more reliably. On the other hand, as shown in FIG. 5, the beam 5 is formed of a mold material having an H-shaped cross section, for example, and a rectangular end plate 6 is integrally fixed to the end surface of the beam 5, and the end plate 6 has the pillar 1 An attachment hole 7 is formed so as to correspond to the bolt insertion hole 4.

The pillar 1 on which the upper mounting back plate 2a and the lower mounting back plate 2b as the back plate 2 are temporarily fixed in advance in the factory as described above, and the beam 5 to which the end plate 6 is fixed as described above are It is transported to the site and assembled as follows. In the field 1, the pillar 1 is erected vertically, the end plate 6 of the beam 5 laid horizontally is brought into contact with the outer surface of the pillar 1, and the mounting hole 7 of the end plate 6 and the bolt insertion hole 4 of the pillar 1 correspond to each other. To be made. In this state, the mounting bolts 8 are inserted from the respective mounting holes 7 into the bolt insertion holes 4, the mounting bolts 8 are screwed into the bolt holes 3, and the pillars 1 as shown in FIG.
The beam 5 is joined to.

When the beam 5 is joined to the pillar 1, the height H of the beam 5 may change, but the back plate 2 is divided into an upper mounting back plate 2a and a lower mounting back plate 2b. When,
This member can be shared and dealt with. That is, even if the height H of the beam 5 is changed, it is possible to cope with the change by changing the intervals at which the upper mounting back plate 2a and the lower mounting back plate 2b are mounted. At this time, it is necessary to change the positions of the bolt insertion holes 4 and the temporary fixing holes 11 drilled in the pillar 1.

FIGS. 6 and 7 show another embodiment. In the case of this embodiment, the back plate 2 is not divided into the upper mounting back plate 2a and the lower mounting back plate 2b as in the above embodiment. The back plate 2 is also arranged on four sides and fixed to the horizontal reinforcing plate 13, and the back plate 2 is provided with bolt holes 3 and temporary fixing holes 10. In this embodiment, the temporary fixing holes 10 are formed in the upper and lower parts of the back plate 2, but either the upper part or the lower part may be formed. The back plate 2 connected by the horizontal reinforcing plate 13 is inserted into the pillar 1 so as to be along the inner surface of the pillar 1, the bolt insertion hole 4 and the bolt hole 3 are made to correspond to each other, and the temporary fixing hole 11 and the temporary fixing hole are provided. 10, the temporary fixing bolts 12a as temporary fixing fixtures 12 are inserted into the temporary fixing holes 11 and the temporary fixing holes 10, and the back plate 2 is temporarily fixed.
When connecting the beam 5 to the pillar 1, they are joined in the same manner as in the above embodiment.

[0012]

As described above, according to the present invention, the back plate is provided along the inner surface of the space portion of the column, and the bolt holes formed in the column correspond to the bolt holes formed in the column. The end plate of the end face of the beam arranged so as to be orthogonal to the abutment is brought into contact with the outer surface of the column, and the mounting hole provided in the end plate and the bolt insertion hole of the column are made to correspond to each other, and the bolt insertion of the column is inserted from the mounting hole of the end plate. Since the mounting bolts are inserted through the holes and the mounting bolts are screwed into the bolt holes on the back plate, if the back plate is temporarily fixed to the pillar, the mounting bolts can be removed from the end plate mounting holes on the spot. The beam can be connected to the column only by screwing it into the bolt hole through the column, and of course, the column and the back plate are provided with temporary fixing holes at positions where the end plate does not come into contact with the column and the back plate. To the temporary stop hole Since the back plate is temporarily fixed to the pillar by inserting a temporary fixing fixture such as a fixing bolt, the back plate can be easily and surely fixed compared to the conventional method of fixing the back plate by spot welding. It can be stopped and the on-site assembly is easy without the back plate falling off during transportation.

According to a second aspect of the present invention, the back plate is divided into an upper mounting back plate and a lower mounting back plate, and the upper mounting back is arranged above and below the inner surface of the space portion of the pillar. The plate and the back mounting plate for the lower part are arranged, and temporary fixing holes are drilled in the pillar and the back plate for mounting the lower part and the back plate for mounting the lower part at positions where the end plates do not come in contact with each other. Since a temporary fixing fixture such as a temporary fixing bolt was inserted into the temporary fixing hole of the mounting back plate and the upper mounting back plate and the lower mounting back plate were temporarily fixed to the pillar, Even if the height changes, it can be handled by changing the distance between the upper mounting back plate and the lower mounting back plate that are temporarily fixed to the pillar. The beam height can be shared by using the upper mounting back plate and the lower mounting back plate. Can be changed.

[Brief description of drawings]

FIG. 1 is a partially cutaway sectional view of an embodiment of the present invention.

FIG. 2 (a) is a perspective view of the same pillar, and FIG. 2 (b) is a perspective view of another example of the pillar.

FIG. 3 is a perspective view showing a back plate of the same.

4A and 4B are cross-sectional views illustrating a bolt hole.

FIG. 5 is a perspective view of the above beam.

FIG. 6 is a sectional view of another embodiment of the above.

FIG. 7 is a perspective view of the back plate of FIG.

FIG. 8 is a sectional view of a conventional example.

[Explanation of symbols]

 1 Pillar 2 Back plate 2a Upper mounting back plate 2b Lower mounting back plate 3 Bolt hole 4 Bolt insertion hole 5 Beam 6 End plate 7 Mounting hole 8 Mounting bolt 10 Temporary fixing hole 11 Temporary fixing hole 12 Temporary fixing fixture

Claims (2)

[Claims] 1. A back plate is provided along the inner surface of the space portion of the pillar,
The bolt holes provided in the back plate and the bolt insertion holes provided so as to penetrate the pillar are made to correspond to each other, and the end plate of the end face of the beam arranged so as to be orthogonal to the pillar is brought into contact with the outer surface of the pillar. At the same time, the mounting holes provided in the end plate are made to correspond to the bolt insertion holes of the pillar, and the mounting bolts are inserted from the mounting holes of the end plate into the bolt insertion holes of the pillar, and the mounting bolts become the bolt holes of the back plate. The column and the back plate are provided with temporary fixing holes at positions where they are screwed and the end plates do not come into contact with each other, and a temporary fixing fixture such as a temporary fixing bolt is inserted into the temporary fixing holes of the column and the back plate. A column-beam joint structure characterized in that the back plate is temporarily fixed to the. 2. The back plate is divided into an upper mounting back plate and a lower mounting back plate, and the upper mounting back plate and the lower mounting back plate are provided above and below the inner surface of the space portion of the pillar. , The bolt holes provided in the upper mounting back plate and the lower mounting back plate and the bolt insertion holes provided so as to penetrate the pillar are made to correspond to each other, and the end surface of the beam arranged orthogonal to the pillar is The end plate is brought into contact with the outer surface of the column, and the mounting hole provided in the end plate and the bolt insertion hole of the column are made to correspond to each other, and the mounting bolt is inserted from the mounting hole of the end plate into the bolt insertion hole of the column. At the same time, the mounting bolts are screwed into the bolt holes of the upper mounting back plate and the lower mounting back plate, and temporarily fixed to the pillars and the upper mounting back plate and the lower mounting back plate at positions where the end plates do not contact. Holes are drilled, and temporary fixing fasteners such as temporary fixing bolts are inserted into the temporary fixing holes of the column and the upper mounting back plate and the lower mounting back plate, and the upper mounting back plate and lower mounting to the column. A column-beam joint structure characterized in that the back plate for the vehicle is temporarily fixed.