JPH03221637A - Beam and beam connecting structure - Google Patents

Abstract

PURPOSE:To simply position a beam and fix the same by fixing an auxiliary plate to the first H-shaped beam end portion web, projecting connecting members having an L-shaped section on the second H-shaped beam end portion web, and bringing both of them into surface contact with each other to be fixed. CONSTITUTION:Auxiliary plates 5a, 5b intersecting perpendicularly to both end portion webs are fixed to both sides of both end portion webs 2 of the first H-shaped beam 1, and connecting members 7, 8 having an L-shaped section are respectively fixed to both end portion webs 2 of the second H-shaped beam 6 in such a manner as to be opposite to each other. In the case of connecting both beams, a base panel 8a and a forward end panel 8b of the connecting member 8 of the second H-shaped beam 6 are respectively brought into surface contact with the side surfaces of the web 2 of the first H-shaped beam 1 and the auxiliary plates 5a, 5b, and then a bolt 11 is inserted through boltholes 9 bored in the above members, and a nut 12 is screw- engaged with the bolt and fixed. The third and fourth H-shaped beams 6 are simply fitted to the first H-shaped beam 1 in the same manner as the second beam 6 through the connecting member 8 of the end portion web. Thus, beams can be simply positioned while the end portion of one beam is brought into surface contact with the end portion of the other beam in two surfaces, and fitted and fixed.

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a structure for interconnecting beams, and particularly relates to a beam-to-beam connection in which a plurality of beams are interconnected at their respective ends. It's about structure.

<Prior art> As a conventional flexible or beam connection structure of this type, for example, Japanese Patent Application Laid-Open No. 83-55235 (first known technology) 463-
Publication No. 83339 (second known technology), Utility Model Application Publication No. 82-17
Publication No. 5107 (3rd known technology), 62-17510
Publication No. 8 (fourth known technique) and the like are publicly known.

Among the known techniques described in E, the first known technique has a structure in which a flat splice plate is attached to the end of a beam, and the beam is attached to a connecting piece of a stud having a cruciform cross section via this splice plate.

The second known technique is a technique in which a T-shaped joint having a protruding portion on the flange portion is bolted to the upper and lower flanges of the beam, respectively, and then the flange portion is abutted against the flange of the stud and bolted.

The third known technique and the fourth known technique each fix a flat connecting plate to the end web of a beam, and bolt this connecting plate to a connecting piece of a cruciform cross-section column, or preliminarily attach it to each side of a stud. It has a structure in which a connecting piece is provided in a protruding manner, and the end web of the beam is brought into contact with this connecting piece and bolted.

<Problems to be Solved by the Invention> However, in the conventional known technology described above, the beams or beams and studs are connected face-to-face via flat connecting plates, etc., which makes positioning difficult and difficult. There were problems such as instability and weak structure in terms of strength.

In addition, in the above-mentioned conventional technology, especially in order to connect three or four beams to each other at their respective ends, the ends of the beams are connected to each other through specially shaped connectors. There was a problem in that it was difficult to connect many of these beams while maintaining a simple single structure unless they were connected to the same structure.

The beam-to-beam connection structure according to the present invention relates to a completely new technology developed in view of the above-mentioned conventional problems.

Means for Solving the Problems> The beam-to-beam connection structure according to the present invention is a completely new technology that fundamentally improves the above-mentioned conventional problems. The beam consists of a first H-shaped beam to which an auxiliary plate perpendicular to the auxiliary plate is fixed, and a second H-shaped beam to which a cross-section type connection member is fixed and protruded from the end web, and the cross-section type connection member is connected to the first H-shaped beam. It is connected to the web of the first H-shaped beam and the auxiliary plate by facing each other.

Effect> As described above, the beam-to-beam connection structure according to the present invention has the first H
An auxiliary plate that is perpendicular to this web is fixed to the end web of the shaped beam, and a cross-sectional connecting member is provided protruding from the end web of the second H-shaped beam, so that the web of the first H-shaped beam and The two surfaces of the cross-section type connecting member of the second H-shaped beam can be brought into contact with the two orthogonal surfaces formed by the auxiliary plate, which facilitates the direction and positioning of the $2 H-shaped beam. At the same time, the second H-shaped beam can be firmly and stably attached and fixed to the first H-shaped beam.

Since the beam-to-beam connection structure according to the present invention has the above-described structure, the second H-shaped beam is attached to the end of the first H-shaped beam in both the axial direction of this beam and in the direction orthogonal to the axis. They can be connected using the same simple structure.

<Example> To explain the beam-to-beam connection structure according to the present invention with reference to figures, FIG. 1 is a perspective view showing the main part of the beam-to-beam connection structure according to the present invention, and FIG. The plan view of the H-shaped beam No. 1, the same figure (B) its side view, the same figure (C) its front view, the third
Figure (A) is a plan view of the second H-shaped beam, Figure (B) is its side view, Figure (C) is its front view, and Figure 4 is a horizontal cross-sectional explanation showing the joint state of the beams. It is a diagram.

In FIGS. 1 to 3, reference numeral 1 denotes a first H-shaped beam, which is constructed by integrally connecting flanges 3.4 at the top and bottom of a vertical web 2, respectively.

Further, on both sides of the web 2 at both ends of the first H-shaped beam 1, auxiliary plates 5a and 5b, which are perpendicular to the web 2, are fixed to the web 2, respectively.

Therefore, the web 2 and these auxiliary plates 5a, 5b form a cross-shaped support.

Next, 6 is a second H-shaped beam, which is constructed by integrally connecting flanges 3 and 4 at the top and bottom of the vertical web 2, respectively.

To the webs 2 at both ends of the second H-shaped beam 6, cross-section connecting members 7.8 are fixed in opposite directions.

These cross-section type connecting members 7 and 8 have end panels 7b and 8t) bent in a direction perpendicular to the axis of the H-shaped beam 6 at the ends of base panels 7a and 8a parallel to the axis of the medium-sized beam 6, respectively, in the shape of a key. It is constructed by integrally connecting the

Further, the tip panel 7b of the cross-section type connecting member 7.8,
A plurality of bolt holes 9 are drilled at predetermined positions in each of the base panels 7a and 8b, and a plurality of large diameter holes 10 are bored at predetermined positions in each of the base panels 7a and 8a. This large-diameter hole 10 is S-shaped and has an inner diameter into which a member such as a nut or bolt head can be inserted.

The end of the flange 2 of the first H-shaped beam 1 and the auxiliary plate 5a
, 5b are also provided with bolt holes 9 at predetermined positions.

Next, when connecting the end of the first H-shaped beam l according to the present invention to the end of the second H-shaped beam 6, as shown in FIGS. After the base panel 8a and tip panel 8b of the cross-sectional connecting member 8 protruding from the end of the cross section 6 are faced to the side surfaces of the web 2 and the auxiliary plates 5a, 5b of the first H-shaped beam 1, these Port hole 9 drilled in
11 and screwing together the nut 12.
The second H-shaped beam 6 can be bolted to the H5 beam 1 of.

Similarly to the second H-shaped beam 6, the third H-shaped beam 6 and the fourth H-shaped beam 6 each have a cross-section connecting member 8 at their end web 2.
By attaching it in advance, it can be easily attached to the first H-shaped beam l. In particular, as shown in FIG. 4, these H-shaped beams 6 are also separated into adjacent ends of the first H-shaped beam 1 by going through the same process as the second H-shaped beam 6. It can be easily bolted in the direction of

After attaching and fixing the second H-shaped beam 6 to the first H-shaped beam l,
The third H-shaped beam 6 and the fourth H-shaped beam 6 are placed next to each other.
When attaching and fixing to the H-shaped beam l, the protruding members such as the head or nut 12 of the previously attached port 11 are attached to the base panel 8 of the cross-section type connecting member 8, as shown in FIG.
It can be inserted into the large diameter hole 10 drilled in a.

Therefore, even when a plurality of H-shaped beams 6 are connected side by side to the end of the first H-shaped beam l, the H-shaped beams 6 can be connected without interfering with each other, and each The H-shaped beam 6 can be attached in any order.

<Effects of the Invention> Since the beam-to-beam connection structure according to the present invention has the structure and operation as described above, the end of one beam is connected to the end of the other beam by two.
It can be easily positioned while facing the surface, and can be firmly and stably mounted and fixed.

Further, it has the feature that up to three beams can be easily connected to one beam side by side through extremely simple connecting members having the same shape.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the main parts of the beam-to-beam joint structure according to the present invention, FIG. 2 (A) is a plan view of the first H-shaped beam, and FIG.
) is its side view, the same figure (C) is its front view, and Figure 3 (A
) is a plan view of the second H-shaped beam, and (B) is its side view.
FIG. 4(C) is a front view thereof, and FIG. 4 is an explanatory horizontal cross-sectional view showing the joint state of the beams. l is the first H-shaped beam, 2 is the web, 3 and 4 are the flanges, 5
a, 5b are auxiliary plates, 6 is the second. Third. Fourth H-beam, 7
, 8 is a cross-sectional connecting member 7a. 8a is a base panel, 7b and 8b are tip panels, 9 is a bolt hole, IO is a large diameter hole, 11 is a bolt, and 12 is a nut.

Claims (1)

[Claims] Consisting of a first H-shaped beam having an auxiliary plate fixed to the end web and an auxiliary plate perpendicular to the web, and a second H-shaped beam having an L-shaped cross-section connecting member fixed to the end web and protruding, The first H
A beam and beam characterized in that the second H-shaped beam is connected to the first H-shaped beam by connecting the L-shaped cross-section connecting member of the shaped beam to the web and auxiliary plate of the first H-shaped beam, respectively. Connection structure.