JP2004190358A - Beam connecting structure for building - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To accurately and easily place the upper faces of sleeper beams to coincide with each other on one plane in connecting the first sleeper beam and the second sleeper beam arranged at a right angle to each other, by a connecting implement in the connecting structure of the sleeper beams used for the floor of a building. <P>SOLUTION: Two reference inclined faces 11b, 12b facing each other are formed at the first and second sleeper beams 3A, 3B, while connecting reference inclined faces 17b, 17c facing each other are formed at the connecting implement Jo. The reference inclined faces 11b, 12b of either one of the first and second sleeper beams 3A, 3B, and the connecting reference inclined faces 17b, 17c of the connecting implement Jo are brought into close contact with each other to fix one sleeper beam 3B and the connecting implement Jo by bolts and nuts 21, 22. One sleeper beam 3B and the connecting implement Jo are thereby connected in vertical alignment, and then the other sleeper beam 3A and the connecting implement Jo are fixed by the bolts and nuts 21, 22. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a beam connecting structure such as a large beam used for a floor of a building or the like.
[0002]
[Prior art]
In general, in buildings such as multi-family dwellings, the floor that separates the space above the floor from the space below the floor is laid horizontally with a plurality of large beams parallel to and fixed to a skeleton such as a concrete skeleton. When the underfloor space is used as a storage space, it is necessary to open an opening that can be opened and closed by a hatch on the floor. In such a case, in order to reinforce the free end of the large beam which is cut to form an opening and become cantilevered, another large beam is crossed with respect to the large beam. It is arranged and the other large beam is integrally connected to the large beam by using a connector so as to reinforce the large beam around the opening.
[0003]
By the way, conventionally, as shown in FIG. 6, an end portion of another large beam is fixed to a side surface of the large beam made of I-shaped steel with a bolt or a nut using a connecting metal such as an angle steel. Is generally adopted.
[0004]
[Problems to be solved by the invention]
However, when constructing a floor, as described above, joists and floorboards are laid on a plurality of heavy beams, so that the horizontality of the floorboards is a reference for the horizontality. The large beam is required to have a high degree of horizontality with respect to its upper surface. However, in the conventional method, the upper surface of the large beam and the upper surface of another large beam that is coupled at right angles thereto are precisely aligned. The task of matching the same plane, that is, "heaven" alignment, is necessary, but such work is troublesome, requires skill, and after that, the "heaven" of those heavy beams has been disrupted. At times, there is a problem that the repair work is troublesome and requires much time and labor.
[0005]
The present invention has been made in view of the above circumstances, and makes the upper surfaces of a first beam and a second beam arranged at right angles to each other coincide with each other on the same plane, that is, performs “heaven” alignment work and subsequent correction work. It is an object of the present invention to provide a beam connecting structure in a new building, which can be easily and easily performed with high accuracy and can solve the above-mentioned problem.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the invention according to claim 1 is used for a floor of a building or the like, and on a plane, a first beam and a second beam arranged at right angles to the first beam. A beam connecting structure in a building, wherein the first and second beams are integrally connected to each other with a planar T-shaped connecting tool, wherein the first and second beams are a vertical intermediate portion and upper and lower ends of the intermediate portion. The upper and lower ends of the dovetail-shaped cross section that are more integrally extended, and the upper and lower ends thereof are two reference inclined surfaces inclined outward at the same angle with respect to a vertical plane passing through the intermediate portion, An upper end and a lower end surface for integrally connecting the outer ends of the reference inclined surfaces are provided, while the connecting tool is provided with a first connecting plate detachably fixed to the first beam; The first plate is integrally connected at right angles to the end face of the connecting plate, and is detachably fixed to the second beam. The second connecting plate is formed of a vertical connecting portion that abuts an intermediate portion of the second beam, and upper and lower ends of the vertical connecting portion extending from the two lower reference surfaces. A connection reference inclined surface inclined at the same angle so as to be in close contact with one of the first beams, and the first connection plate has a vertical connection which abuts on an intermediate portion of the first beam. And an upper and lower connecting portion engaged with the upper and lower ends of the first beam, respectively, wherein the first beam and the first connecting plate and the second beam and the second connecting plate are provided. Are connected to each other detachably by bolts and nuts, and according to such a feature, two beams coupled at right angles to each other are connected by "topping". The work can be performed very simply, easily and with high precision.
[0007]
In order to achieve the above object, according to a second aspect of the present invention, in the first aspect of the present invention, the connection metal fitting is positioned in the longitudinal direction with respect to the first and second beams. It is characterized in that it is connected so as to be adjustable. According to this feature, the relative position adjustment in the planar direction of the two beams connected at right angles to each other can be easily performed.
[0008]
Furthermore, in order to achieve the above object, the invention according to claim 3 is the invention according to claim 1 or 2, wherein the first and second beams are heavy beams constituting a floor, The large beam is fixed to a building frame, and a floor plate is laid on the upper surface thereof. According to such a feature, a “top” combination of two large beams connected at right angles to each other is provided. The work can be performed simply, easily and with high accuracy, and the flatness of the floor can be improved, and further, the adjustment can be easily performed thereafter.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described based on examples of the present invention shown in the accompanying drawings.
[0010]
First, with reference to FIGS. 1 to 5, an embodiment will be described in which the beam connection structure of the present invention is applied to the floor of an apartment house having a concrete frame having an inverted beam structure.
[0011]
FIG. 1 is a partially cutaway perspective view of a floor provided with the beam connection structure of the present invention, FIG. 2 is an enlarged perspective view of a virtual circle as viewed in the direction of arrow 2 in FIG. 1, and FIG. 3 is as viewed in the direction of arrow 3 in FIG. FIG. 4 is a sectional view taken along line 4-4 in FIG. 3, and FIG. 5 is a sectional view taken along line 5-5 in FIG.
[0012]
In FIG. 1, a concrete skeleton F constituting a skeleton of a building such as an apartment house includes a horizontal skeleton portion Fh extending in the horizontal direction and dividing the building into a plurality of upper and lower layers, and an adjacent horizontal skeleton portion Fh extending in the vertical direction. A vertical frame portion Fv that interconnects the spaces, and the horizontal frame portion Fh has a so-called inverted beam structure in which a plurality of inverted beams Rb are integrally formed on the upper surface of the slab S to protrude upward. . Each floor of the building is divided into a plurality of living spaces 1 by a reverse beam Rb, and a floor Fr is constructed in the living spaces 1. With the floor Fr, a floor space Cu used as a living room and an article storage space are stored. It is partitioned into an underfloor space Cd used as a room. The underfloor space Cd functioning as an article storage room is surrounded on all sides by inverted beams Rb, and the entire area is configured as one large room without partitions.
[0013]
As shown in FIG. 1, a rectangular opening 2 is opened in the middle of the floor Fr. Through this opening 2, a person can enter the underfloor space Cd and enter and exit objects. The opening 2 can be opened and closed by a hatch 6.
[0014]
Next, the configuration of the floor Fr provided with the beam connection structure according to the present invention will be described.
[0015]
The floor Fr is cut to form the plurality of first large beams 3 </ b> A arranged in parallel with each other on the inverted beam Rb via the support member 8 with vibration-proof rubber, and the opening 2. The free ends of the first large beams 3A are connected to the second large beams 3B at right angles by a connecting member Jo, which will be described later, and a plurality of beams mounted on the large beams 3A, 3B. And a floor plate 5 laid on the joists 4 with a base plate interposed therebetween.
[0016]
In order to support the floor Fr, no bundle is erected on the slab S as in the related art, so that noise transmitted to the floor Fr is not directly transmitted to the downstairs through the slab S. .
[0017]
Next, with reference to FIGS. 2 to 5, a connection structure according to the present invention between the first large beam 3A and the second large beam 3B connected at a right angle to its free end will be described. .
[0018]
The first and second pulling beams 3A and 3B have the same structure and the same size, and are configured so as to maintain sufficient durability by a galvanized steel plate. The first and second large beams 3A and 3B are formed in a substantially vertical intermediate portion 10 in which a plurality of mounting holes 14 (bolts 21 to be described later are penetrated with gaps) are arranged at intervals in the longitudinal direction. And upper and lower ends 11, 12 which are integrally connected in a cantilever manner from the upper and lower ends of the intermediate portion 10. The upper and lower ends 11, 12 have the same shape and have the same shape. As shown in FIG. 5, the upper end portion 11 has two reference portions inclined outward at the same angle θ with respect to a vertical plane passing through the intermediate portion 10. It has inclined surfaces 11a and 11b and an upper end surface 11c having a channel-like cross section having a flat upper surface and integrally connecting the reference inclined surfaces 11a and 11b, and one reference inclined surface 11a is continuous from the intermediate portion 10. And the other reference inclined surface 11b , The gap 13 between the intermediate portion 10 is formed shorter than the reference inclined plane 11a of the one having a free end is formed.
[0019]
Similarly, the lower end portion 12 includes two reference inclined surfaces 12a, 12b inclined outward at the same angle θ with respect to a vertical plane passing through the intermediate portion 10, and the reference inclined surfaces 12a, 12b. It has a channel-shaped lower end surface 12c having a flat lower surface that is integrally connected, one reference inclined surface 12a extends continuously from the intermediate portion 10, and the other reference inclined surface 12b has a free end. The gap 13 is formed shorter than the one reference inclined surface 12a and is formed between the reference inclined surface 12a and the intermediate portion 10. The two reference inclined surfaces 11a and 12a and the two reference inclined surfaces 11b and 12b are opposed to each other with an interval.
[0020]
The joist 4 is placed on the upper end surfaces of the first and second large beams 3A and 3B configured as described above.
[0021]
On the other hand, as shown in FIGS. 2 and 3, the connecting tool Jo is formed in a T-shape in plan view and is detachably fixed to the first large beam 3A. A second connecting plate 17 integrally connected at right angles to an end face of the first connecting plate 16 and detachably connected to the second large beam 3B;
The first connection plate 16 is bent at an angle from an upper end of the vertical connection portion 16a and a vertical connection portion 16a which abuts on the intermediate portion 10 of the first pulling beam 3A, and extends upward. An upper end connecting portion 16b engaged with the side surface of the upper end portion 11 of the first large beam 3A and a U-shaped bent lower portion of the vertical connecting portion 16 and extending downward to form the first large beam 3A. A lower end connecting portion 16c is engaged with the lower end portion 12. At the ends of the upper end and lower end connecting portions 16b, 16c, connecting end surfaces 16b ', 16c' to the second connecting plate 17 are provided. The vertical connecting portion 16 is formed with a long hole 19 along the longitudinal direction of the middle portion thereof.
[0022]
On the other hand, the second connecting plate 17 includes a vertical connecting portion 17a which abuts on the intermediate portion 10 of the second large beam 3B, and a first connecting portion 17a extending from the upper and lower ends of the vertical connecting portion 17a. It is inclined at the same angle as the reference inclined surfaces 11b and 12b of the pull beam 3B so as to be in close contact therewith, and the lower connection reference inclined surfaces 17b and 17c, and above them, above the lower connection reference inclined surfaces 17b and 17c. And upper ends 17d and 17e extending substantially vertically downward. The vertical connecting portion 17a is provided with an elongated hole 20 along the longitudinal direction of an intermediate portion thereof. The connection reference inclined surfaces 17b and 17c are opposed to each other with an interval in the vertical direction so as to correspond to the reference inclined surfaces 11b (11a) and 12b (12a).
[0023]
The connecting member Jo composed of the first connecting plate 16 and the second connecting plate 17 is attached to the upper and lower edges 17d and 17e of the second connecting plate 17 in the longitudinal direction. The joining end surfaces 16a 'and 16c' of the above are struck against each other and integrally joined by fixing means such as welding to form a T-shape in plan view as shown in FIGS.
[0024]
Next, a procedure for connecting the first and second large beams 3A and 3B at a right angle by using the connecting tool Jo will be described.
[0025]
As shown in FIG. 2, the second connecting plate 17 of the connecting tool Jo is abutted against the side surface of the second large beam 3B. At this time, the upper and lower connecting reference inclined surfaces 17b, 17c of the second connecting plate 17 are guided along the reference inclined surfaces 11b, 12b of the second large beam 3B, whereby the connecting tool Jo is With respect to the second large beam 3B, the position is automatically adjusted in the up-down direction and is held at the regular up-down position. If the bolt 21 is passed through the long hole 20 and the mounting hole 14 and the nut 22 is fastened to the bolt 21, the connecting tool Jo can be fixed to the second center beam 3B at the regular center position. it can.
[0026]
Next, the inner surface of the first connection plate 16 of the connection fitting Jo is engaged with the side surface of the first large beam 3A, that is, the vertical connection portion 16a is connected to the intermediate portion 10 of the first large beam 3A. The impact and the upper and lower connecting portions 16b and 16c thereof are engaged with the upper end 11 and the lower end 12 of the first large beam 3A (the first large beam 3A is provided on the lower surface of the lower connecting portion 16c). The lower end surface 12c is engaged), the upper surface of the first large beam 3A is made to coincide with the upper surface of the second large beam 3B, and the nut 22 is inserted into the bolt 21 penetrating the elongated hole 19 and the mounting hole 14. Tighten. As described above, the upper surfaces of the first large beam 3A and the second large beam 3B can be made to coincide with each other, that is, the "top" alignment can be performed. Thereafter, the second large beam 3B and the first large beam 3B can be aligned. Even when the pull beam 3A is separated and then connected again, the connecting tool Jo can be easily and easily moved to the regular vertical position with respect to the second pull beam 3B by tightening the bolts and nuts 21 and 22. The first and second large beams 3A and 3B can be easily aligned with the ceiling, and the joist 4 and the floor plate 5 can be placed on one plane. Can be laid accurately.
[0027]
In addition, the two first and second large beams arranged at right angles to each other in the portion A and the portion B shown in FIG. 1 can be integrally connected by the beam connection structure according to the above embodiment. .
[0028]
Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments, and various embodiments are possible within the scope of the present invention.
[0029]
For example, in the above-described embodiment, a case has been described in which the beam connection structure of the present invention is applied to connection of a large beam on the floor of a building. However, it is needless to say that this can be applied to connection of beams other than the floor of a building. In addition, in the above embodiment, the case where the connection structure of the beam of the present invention is applied to an apartment house having a body of a reverse beam structure has been described. However, it is needless to say that this can be applied to other buildings such as a detached house. It is. Further, in the above-described embodiment, the case where the connecting tool is fixed using the short reference inclined surface having the gap among the pair of reference inclined surfaces of the large beam has been described. The connecting tool may be fixed using the reference inclined surface.
[0030]
【The invention's effect】
As described above, according to the first aspect of the present invention, the first beam and the second beam arranged at right angles to the first beam on one plane are used for the floor of a building or the like. In a beam connection structure in a building where two beams are connected together with a flat T-shaped connecting tool, the work of connecting two beams that are connected at right angles to each other by “heaven” and connecting them It can be performed very simply, easily and accurately.
[0031]
Further, according to the second aspect of the present invention, in the beam connection structure, relative position adjustment of two beams connected at right angles to each other in a planar direction can be easily performed.
[0032]
Further, according to the third aspect of the present invention, in the beam connecting structure, it is possible to easily, easily, and accurately perform a “top” alignment operation of two large beams coupled at right angles to each other. This makes it possible to improve the flatness of the floor and to make subsequent adjustments easier.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view of a floor provided with a beam connection structure of the present invention. FIG. 2 is an enlarged perspective view of a virtual circle as viewed in the direction of arrow 2 in FIG. 1 FIG. 4 is a sectional view taken along line 4-4 in FIG. 3 FIG. 5 is a sectional view taken along line 5-5 in FIG. 4 FIG. 6 is a perspective view of a conventional beam connection structure
3A first beam 3B second beam 5 floor plate 10 intermediate portion 11 upper end portion 11a reference inclined surface 11b reference inclined surface 12 lower end portion 12a reference inclined surface 12b reference inclined surface 16 first connection plate 16a vertical connection portion 16b upper end connection Portion 16c Lower end connection portion 17 Second connection plate 17a Vertical connection portion 17b Connection reference inclined surface 17c Connection reference inclined surface 21 Bolt 22 Nut F Frame Fr Floor Jo Connector

Claims (3)

A first beam (3A) and a second beam (3B) arranged at a right angle to the first beam (3A) on one plane are used in a building T floor or the like. Connection structure of a beam in a building, which is integrally connected with a joint (Jo) in a shape of a beam,
The first and second beams (3A, 3B) have a vertical intermediate portion (10) and a dovetail-shaped upper and lower end portion (11,11) extending integrally from upper and lower ends of the intermediate portion (10). 12), on which the lower end portions (11, 12) have two reference inclined surfaces (11a, 11b, 12a) inclined outward at the same angle with respect to a vertical plane passing through the intermediate portion (10). , 12b) and upper ends connecting the outer ends of the reference inclined surfaces (11a, 11b, 12a, 12b) integrally, and lower end surfaces (11c, 12c).
On the other hand, the connecting tool (Jo) is integrally formed with a first connecting plate (16) detachably fixed to the first beam (3A) and at right angles to an end face of the first connecting plate (16). A second connecting plate (17) coupled and removably fixed to the second beam (3B), wherein the second connecting plate (17) is an intermediate portion of the second beam (3B). A vertical connecting portion (17a) which abuts on (10), and one of the two reference inclined surfaces (11a, 11b; 12a, 12b) extending from the upper and lower ends of the vertical connecting portion (17a). A connection reference inclined surface (17b, 17c) inclined at the same angle as the first connection plate (16), and the first connection plate (16) is provided at an intermediate portion of the first beam (3A). A vertical connection part (16a) abutted on (10), and upper and lower ends (11, On which is engaged in 2), it has a lower end connecting portion (16b, 16c),
The first beam (3A) and the first connecting plate (16) and the second beam (3B) and the second connecting plate (17) can be detachably attached by bolts and nuts (21, 22), respectively. A beam connecting structure in a building, wherein the beam is connected integrally to a building. 2. The building according to claim 1, wherein the connection fittings (Jo) are connected to the first and second beams (3 </ b> A, 3 </ b> B) so that their positions can be adjusted in their longitudinal directions. 3. Beam connection structure. The first and second beams (3A, 3B) are large beams constituting a floor (Fr), and the large beams are fixed to a building body (F) of a building, and a floor plate (5) is provided on the upper surface thereof. 3. The connecting structure of beams in a building according to claim 1, wherein the beams are laid.

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