JPH0813679A - Roof truss and roof truss member - Google Patents

Abstract

PURPOSE:To provide a roof truss and members thereof which are strong in the strength and excellent in the workability at the construction site and low in the cost. CONSTITUTION:This roof truss is composed of roof girders 10, 12, a ridge truss 13, a roof panel 21, and roof truss members 14. The roof truss members 14 is constituted of a lower chord 15, vertical members 16, and slanting members 17 made of a grooved shape steel respectively. The vertical members 16 are fitted in the lower chord members 15 and welded therewith and erected and the slanting members 17 are welded with the upper end of vertical members 16 at one end thereof and fitted in the lower chord 15 and welded at the other end.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shed member and shed member applied to a house or the like.

[0002]

2. Description of the Related Art The structure of a conventional shed structure is shown in FIG. In the figure, reference numeral 40 is a roof beam, 41 is a ridge truss supported by the roof beam 40 and extended along the ridge, 42 is a shed member extending in the eaves direction from the ridge, and 43 is a roof panel. The shed member 42 is composed of a lower chord member 44, a vertical member 45, and a diagonal member 46 each made of channel steel, and the lower chord member 44, the vertical member 45, and the diagonal member 46 are separated by a gusset plate 47.
They are joined to each other at some point. That is, the lower chord member 42
The gusset plate 47 is welded to the outer surface of the flange of, and the lower ends of the vertical member 45 and the diagonal member 46 are connected to the gusset plate 47.
It is bolted to. The roof member 42 is the roof beam 40.
Supported by the lower chord member 44, vertical member 45, diagonal member 46
Each end of the is fixed to the roof panel 43.

[0003]

However, according to the structure of the conventional shed member 42, the lower chord member 44, the vertical member 45, and the diagonal member 46 are connected by the bolts via the gusset plate 47. The joint strength between them is weak, and the tips of the vertical member 45 and the diagonal member 46 are free, and there is a problem that they are easily bent and deformed when an external force is applied. Therefore, the hut assembly member 42 is assembled in the factory in advance and then, when transported to the site, the gusset plate 4 is assembled.
The bolts that connect 7 to the vertical members 45 and the diagonal members 46 are loosened, and the vertical members 45 and the diagonal members 46 are tilted so that the entire rod is conveyed as a single rod. As a result, it is necessary to re-rotate the vertical member 45 and the diagonal member 46 at a predetermined angle and tighten the bolts again on site, and there is a problem that construction on site takes time. Moreover, when assembling the shed member 42, the gusset plate 47 and the bolts
There is also a drawback that a joining member such as a nut is required, the number of parts is increased, and the cost is high.

An object of the present invention is to provide a shed member and a shed member which are strong in strength, have improved workability on site, and are low in cost.

[0005]

According to a first aspect of the present invention, there is provided a shed assembly, wherein a lower chord member made of upward grooved steel and a lower chord member made of grooved steel are fitted into the lower chord member so that both flanges have inner surfaces of both flanges of the lower chord member. Made of channel steel and one end welded to the upper end of the vertical member, the other end was fitted inside one end of the lower chord member, and both flanges were welded to the inner surface of both flanges of the lower chord member. A roof member composed of diagonal members is erected between a pair of roof beams, and a ridge truss extending in the direction perpendicular to the lower chord members is placed on the roof beam on the lower end side of the diagonal members, and the other roof beam and the upper end of the ridge truss are installed. The roof panel is supported by, the other end of the lower chord member on the roof beam side is joined to the panel frame of the roof panel, and the upper ends of the vertical member and the diagonal member are joined to the panel frame of the roof panel. Is.

According to a second aspect of the present invention, there is provided a shed member, which is made up of grooved steel and is made of grooved steel. The lower end of the member is fitted in the lower chord member and both flanges are welded to the inner surfaces of both flanges of the lower chord member. Equipped with a vertical member and a diagonal member made of grooved steel, one end of which is welded to the upper end of the vertical member and the other end is fitted inside one end of the lower chord member, and both flanges are welded to the inner surface of both flanges of the lower chord member. It is a thing.

[0007]

According to the structure of the first aspect, the vertical member and the diagonal member of the shed member are fitted in the lower chord member and directly welded to each other, so that they are firmly fixed. Moreover, since the diagonal member was erected between the upper end of the vertical member erected on the lower chord member and one end of the lower chord member,
Since it is not necessary to join the three members at one place, a joining member such as a gusset plate is unnecessary. Moreover, since the diagonal member was installed between the upper end of the vertical member and one end of the lower chord member, the vertical member and the end of the diagonal member are not free, and the lower chord member, the vertical member, and the diagonal member reinforce each other. , The strength is further improved. Therefore, it is possible to easily install the shed member by assembling it in the factory in advance, transporting it to the site as it is, and installing the shed member between the pair of roof beams on the site.

According to the second aspect of the present invention, the vertical member and the diagonal member of the shed member are fitted in the lower chord member and directly welded to each other, so that they are firmly fixed. Moreover, since the diagonal member is erected between the upper end of the vertical member and the one end of the lower chord member which are erected on the lower chord member, it is not necessary to join the three members at one place, and the joining member such as the gusset plate is unnecessary. . Moreover, since the diagonal member is installed between the upper end of the vertical member and the one end of the lower chord member, the vertical member and the end of the diagonal member are not free, and the lower chord member, the vertical member,
The diagonal members reinforce each other and the strength is further improved.

[0009]

【Example】

First Embodiment A first embodiment of the present invention will be described based on FIGS. 1 to 11. In FIG. 1, 10 is a roof beam extending in the direction of the ridge 11, 12 is a roof beam that is parallel to the roof beam 10 and along an outer wall (not shown), and 13 is above the roof beam 10 in the ridge 11. The ridge truss provided along the line, 14 is a roof truss member, 2
1 is a roof panel.

FIG. 2 shows a front view of the shed member 14, which includes a lower chord member 15, a vertical member 16 erected in the middle of the lower chord member 15, an upper end of the vertical member 16 and a ridge side of the lower chord member 15. The slant member 17 is installed between the end portion and the end portion. The lower chord member 15, the vertical member 16, and the diagonal member 17 are each formed of channel steel. Bolt insertion holes 18 (see FIG. 3) are formed in both flanges on the outer wall side end of the lower chord member 15, and a nut 19 (see FIG. 4) is welded to the inner surface of the flange. Further, the lower end of the vertical member 16 is squeezed and fitted into the lower chord member 15 as shown in FIG. 5, and the flanges of the lower chord member 15 and the vertical member 16 are welded to each other. Further, the upper end of the vertical member 16 is welded to the diagonal member 17 as shown in FIG. 6, and the bolt insertion holes 20 are formed in both flanges of the upper end of the diagonal member 17, and the nut ( (Not shown) is welded. Further, the lower end of the diagonal member 17 is squeezed and fitted into the lower chord member 15 as shown in FIG. 7, and the flanges of the lower chord member 15 and the diagonal member 17 are welded to each other.

Next, the attachment of the shed member 14 will be described. First, FIGS. 8 and 9 show a mounting structure of the roof beam 10 portion. In the figure, reference numeral 22 denotes a roof metal fitting having a hat-shaped cross section fixed to the upper flange of the roof beam 10 by a fastener 25 such as a bolt or nut, and a plate 23 is welded to the roof metal fitting 22. The roof member 14 is a lower chord member 15
Is mounted on the plate 23, and is joined by a fixture 24 such as a bolt and a nut through the lower chord member 15 and a bolt insertion hole (not shown) formed in the plate 23. The lower chord member 26 of the ridge truss 13 is also placed on the plate 23. In addition, the shed member 14 'on the opposite side of the ridge 11 is also fixed to the plate 23 in the same manner.

The mounting structure of the roof beam 12 portion of the shed member 14 is shown in FIGS. In the figure,
Reference numeral 27 is a plate fixed on the upper flange of the roof beam 12 with fasteners 29 such as bolts and nuts.
A roof metal fitting 28 having a horizontal U-shaped cross section is welded on the top.
Bolt insertion holes (not shown) are formed in both flanges 28a, 28b of the roof metal fitting 28, and nuts (not shown) are welded to the inner surfaces of the flanges 28a, 28b. Then, each flange 28a, 2 of the roof hardware 28
On the outer surface of 8b, the panel frames 21a of the pair of roof panels 21 arranged on both sides of the shed member 14 and adjacent to each other are in contact, and bolt insertion holes (not shown) formed in the panel frame 21a and bolts of the roof hardware 28 Bolt (not shown) in the insertion hole
To fasten the roof panel 21 to the roof metal fitting 28. Furthermore, the lower chord member 15 of the shed member 14
The panel frame 21a of the pair of roof panels 21 adjacent to each other on the outer surfaces of both flanges are connected to each other, and the bolt insertion hole 18 (FIG. 3) formed in the panel frame 21a and the bolt insertion hole 18 (FIG. 3) of the lower chord member 15 are bolted (see FIG. Insert nut 1 (not shown)
9 (FIG. 4) and the lower chord member 15 is joined to the roof panel 21.

The ridge 11 portion of the roof panel 21 is mounted on a fixed hardware 30 (FIG. 1) mounted and fixed on the upper chord member of the ridge truss 13, and bolts formed on the flange of the panel frame 21a of the roof panel 21. The bolts 34 are inserted into the insertion holes (not shown) and the bolt insertion holes (not shown) of the fixed hardware 30 and fastened to the nuts, and the roof panel 21 is fixed to the fixed hardware 3
Fixed at 0. Further, the panel frames 21a of the pair of roof panels 21 adjacent to each other are connected to the outer surfaces of the upper end flanges of the diagonal members 17 of the shed assembly 14, and the bolt insertion holes (not shown) formed in the panel frames 21a and the bolt insertion of the diagonal members 17 are inserted. Hole 20
A bolt (not shown) is inserted into (FIG. 6) and fastened to the nut, and the upper end of the diagonal member 17 is joined to the roof panel 21. In addition, the roof panel 21 'on the opposite side of the ridge 11 is fixed to the fixed hardware 30 in the same manner.

According to the shed member and shed member 14 thus constructed, the vertical members 16 and the diagonal members 17 are fitted into the lower chord member 15 and directly welded to each other, so that they are firmly fixed. Moreover, since the diagonal member 17 is installed between the upper end of the vertical member 16 standing on the lower chord member 15 and one end of the lower chord member 15,
The ends of the vertical members 16 and the diagonal members 17 are not free, and the lower chord members 15, the vertical members 16, and the diagonal members 17 reinforce each other, and the high-strength roof member 14 is obtained. Therefore, it is easy to assemble the lower chord member 15, the vertical member 16 and the diagonal member 17 in the factory in advance, transport them to the site as they are, and install both ends of the lower chord member 15 on the roof beams 10 and 12 at the site. Can be installed on the site, improving workability on site.

Further, the lower chord member 15, the vertical member 16, the diagonal member 17
Unlike the conventional example, since it is not necessary to join the three members at one place, a joining member such as a gusset plate becomes unnecessary,
The number of parts can be reduced. Moreover, the diagonal member 17 is the lower chord member 15
It is installed between the vertical member 16 and the vertical member 16, and the member length is shorter than that of the conventional diagonal member, and the cost can be reduced. Second Embodiment A second embodiment of the present invention is shown in FIGS.
The same parts as those in the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

In this embodiment, the vertical member 1 of the shed member 14 is used.
The upper end portions of 6 and the diagonal member 17 welded to each other are finished into an inclined surface parallel to the inclination angle of the roof panel 21, and the plate 31 is welded to the inclined surface. A pair of bolt insertion holes 32 (FIG. 15) are formed on both sides of the plate 31. Then, the panel frames 21a of the pair of adjacent roof panels 21 are respectively placed on both sides of the plate 31, and bolts (not shown) are formed in the bolt insertion holes 32 and the bolt insertion holes (not shown) formed in the flange of the panel frame 21a. (Not shown)
Is inserted and fastened to a nut (not shown), and the upper end of the vertical member 16 is fixed to the roof panel 21.

The same effects as those of the first embodiment can be obtained also in the shed member and the shed member 14 thus constructed. Furthermore, since the roof assembly member 14 and the roof panel 21 are joined via the plate 31, the bolt insertion holes 32 of the plate 31 and the bolt insertion holes of the roof panel 21 can be relatively easily aligned, and the bolt fastening work can be performed. Can be easily performed from below, further improving workability.

[0018]

According to the structure of the first aspect, the vertical member and the diagonal member of the shed member are fitted into the lower chord member and directly welded, so that the fixing is strong. Moreover, since the diagonal member is installed between the upper end of the vertical member and the one end of the lower chord member which are erected on the lower chord member, it is not necessary to join the three members at one place, and the joining member such as the gusset plate is unnecessary. The number of parts can be reduced. Moreover, since the diagonal member is installed between the lower chord member and the vertical member, the member length is shorter than that of the conventional diagonal member, and the cost can be reduced. Moreover, since the diagonal member was installed between the upper end of the vertical member and one end of the lower chord member, the vertical member and the end of the diagonal member are not free, and the lower chord member, the vertical member, and the diagonal member reinforce each other. , The strength is further improved. Therefore, it is possible to easily install the shed member in a factory in advance, transport it to the site as it is, and install the shed member between the pair of roof beams on the site, thereby improving the workability.

According to the second aspect of the present invention, the vertical member and the diagonal member of the shed member are fitted in the lower chord member and directly welded to each other, so that they are firmly fixed. Moreover, since the diagonal member is installed between the upper end of the vertical member and the one end of the lower chord member which are erected on the lower chord member, it is not necessary to join the three members at one place, and the joining member such as the gusset plate is unnecessary. The number of parts can be reduced. Moreover, since the diagonal member is installed between the lower chord member and the vertical member, the member length is shorter than that of the conventional diagonal member, and the cost can be reduced. Moreover, since the diagonal member was installed between the upper end of the vertical member and one end of the lower chord member, the vertical member and the end of the diagonal member are not free, and the lower chord member, the vertical member, and the diagonal member reinforce each other. , The strength is further improved.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a first embodiment of the present invention.

FIG. 2 is a front view of the shed member according to the first embodiment of the present invention.

FIG. 3 is an enlarged view of a portion III in FIG.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is an enlarged view of a V portion of FIG.

FIG. 6 is an enlarged view of a VI portion of FIG.

FIG. 7 is an enlarged view of a portion VII of FIG.

FIG. 8 is a front view showing the mounting structure of the roof beam portion of the shed member of the first embodiment of the present invention.

FIG. 9 is a plan view showing the mounting structure of the roof beam portion of the shed assembly of the first embodiment of the present invention.

FIG. 10 is a front view showing the mounting structure of the roof beam portion on the outer wall side of the shed assembly according to the first embodiment of the present invention.

FIG. 11 is a plan view showing a mounting structure of an outer wall side roof beam portion of the shed assembly according to the first embodiment of the present invention.

FIG. 12 is a partially cutaway front view of the second embodiment of the present invention.

FIG. 13 is a front view of a shed member according to a second embodiment of the present invention.

FIG. 14 is an enlarged view of a portion XIV in FIG.

FIG. 15 is a plan view of the plate according to the second embodiment of the present invention.

FIG. 16 is a partially cutaway front view of a conventional example.

[Explanation of symbols]

 10, 12 Roof beam 11 Building 13 Building truss 14 Shed member 15 Lower chord material 16 Vertical material 17 Diagonal material 21 Roof panel

Claims (2)

[Claims] 1. A lower chord member made of upward grooved steel, and a vertical member made of grooved steel, which has a lower end fitted into the lower chord member and has both flanges welded to the inner surfaces of both flanges of the lower chord member. ,
A roof member made of channel steel and having one end welded to the upper end of the vertical member and the other end fitted inside one end of the lower chord member and both flanges welded to the inner surfaces of both flanges of the lower chord member. Is installed between a pair of roof beams, a ridge truss extending in a direction perpendicular to the lower chord member is placed on the roof beam on the lower end side of the diagonal member, and the roof panel is supported by the other roof beam and the upper end of the ridge truss. The other roof beam side end of the lower chord member is joined to the panel frame of the roof panel, and the upper ends of the vertical member and the diagonal member are joined to the panel frame of the roof panel. set. 2. A lower chord member made of upward grooved steel, and a vertical member made of grooved steel, which has a lower end fitted into the lower chord member and has both flanges welded to the inner surfaces of both flanges of the lower chord member. ,
A cottage composed of channel steel and having one end welded to the upper end of the vertical member, the other end fitted inside one end of the lower chord member, and a diagonal member in which both flanges are welded to the inner surfaces of both flanges of the lower chord member. Element.