JP2002038676A - Safety belt rope metal fixture and roof structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To correspond to a change of thickness of an upper end part of a roofing material 9 and to fix the whole of lower parts 16. SOLUTION: A safety belt rope metal fixture 15 to fix a safety belt rope for on-roof work as well as installed on a ridge part 2 of a roof is furnished with the lower part 16 fixed on the ridge part 2, and an upper part 17 to fix the safety belt rope integrally and free to separate them, and a spacer 14 free to adjust its height can be interposed between the lower part 16 and the upper part 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bracket for fixing a main rope for work on a roof, which is attached to a ridge of a roof, and a roof structure.

[0002]

2. Description of the Related Art There has been conventionally used an anchorage fixing bracket which is attached to a ridge of a roof and fixes an anchorage for work on the roof.

[0003] The conventional parent metal fixture is disclosed in Japanese Patent Laid-Open No. 10-1.
As described in Japanese Patent No. 59286, etc., a lower part fixed to the roof ridge, an erecting plate erecting from the lower part, and an upper part which can protrude to both sides from the upper end of the erecting plate to fix the parent rope. Some are integrated with parts.

[0004]

However, in such a conventional parent metal fixing bracket, since the lower part, the upright plate, and the upper part are integrated, it is possible to cope with a change in the thickness of the upper end of the roofing material. And there was a problem that there was no versatility.

Further, since the lower part, the upright plate, and the upper part are integrated, there is a problem that the lower part cannot be fixed to the ridge at a portion where the lower part and the upper part overlap vertically.

Accordingly, an object of the present invention is to solve the above-mentioned problems, to cope with a change in the thickness of the upper end of the roofing material, and to fix the entire lower part. It is to provide a fixing bracket and a roof structure.

[0007]

In order to solve the above problems, according to the first aspect of the present invention, there is provided a main line fixing bracket which is attached to a ridge of a roof and fixes a main line for work on the roof. A lower part fixed to the ridge and an upper part fixing the master rope are integrally and separably provided, and a height-adjustable spacer is interposed between the lower part and the upper part. The feature is that it is possible.

According to the first aspect of the present invention, the lower part and the upper part can be adjusted in height via a spacer, so that the lower part and the upper part can be adjusted according to the pattern of the roof and the type of the roofing material. Even if the thickness of the upper end portion of the roofing material changes, it is possible to cope with the change, and it is possible to secure versatility. In addition, since the lower part and the upper part can be integrated and separated from each other, the lower part can be fixed to the ridge at the part where the lower part and the upper part overlap vertically, and the lower part Can be reduced in size.

According to the second aspect of the present invention, the first aspect is provided.
The above-described parent rope fixing bracket is attached to the ridge of the roof, and the upper end of the roofing material can be inserted into the gap between the lower part and the upper part.

According to the second aspect of the present invention, the same function and effect as those of the first aspect can be obtained.

[0011]

First Embodiment A first embodiment of the present invention will be described below with reference to the drawings.

1 to 13 show a first embodiment of the present invention.
It shows.

First, the construction will be described. The ridge portion 2 of the sloped roof 1 is provided with structural plywood and particles on the upper part of a double-flow structure roof frame assembled from a purlin 3, a rafter 4, a truss beam (not shown), and the like. A roof board such as a board is attached to form a roof surface, and a waterproof paper 8 such as asphalt roofing is pasted on the roof board 6. It is constructed by roofing.

On the upper part of the roofing material 9 at the uppermost step on both sides, a large building base plate 11
The main building base plate 11 is encased by a main building package 13 in a state where it is nailed with a long nail 12 penetrating from the upper surface side to the top roofing material 9 and the base plate 6. Have been. The main building package 13 has a side plate portion of the main building package base plate 1.
It is fixed by nailing on one side.

A main line fixing bracket 15 for fixing a main line for work on the roof is attached to the ridge portion 2 of the sloped roof 1. The master rope fixing bracket 15 includes a lower part 16 fixed to the ridge portion 2 and an upper part 17 fixing the master rope so as to be integrated and separable. In addition, a spacer 14 whose height can be adjusted can be interposed between the lower part 16 and the upper part 17.

The lower part 16 has a substantially hat shape as a whole as viewed from the side, and extends in the longitudinal direction of the building. The hat-shaped apex 18 is located substantially at the center in the ridge longitudinal direction.
Bolt holes 20 into which fastening members such as fastening bolts 19 can be inserted from above are formed adjacent to two places.
The nut members 21 are disposed on the lower surface side of the. The hat-shaped flange portion 22 has an inclined shape that is opened in a substantially C-shape so that the hat-shaped flange portion 22 can be brought into surface contact with the base plate 6 that forms the roof slope on both sides of the ridge portion 2. In each of the flange portions 22, nail holes 24 are formed at required intervals over substantially the entire length of the building. The nail holes 24 are formed in two rows with a mutually shifted pitch, and are also formed at the center in the ridge longitudinal direction.

The upper part 17 has a substantially mountain shape in a side view so as to be substantially parallel to the roofing material 9 forming the roof slope on both sides of the ridge portion 2. The upper part 17 is formed of a strip extending longer than the lower part 16 in a direction orthogonal to the ridge longitudinal direction. At both ends, an upper folded part 25 that is bent and raised almost to near horizontal is formed. A hook hole 27 for fixing the parent rope is formed in the upper folding part 25. Also, at the top 28 of Yamagata,
A flat portion is formed which can abut on the top portion 18 of the lower part 16,
In this flat portion, bolt holes 29 corresponding to bolt holes 20 are provided.
Are formed adjacent to two places.

The upper end of the roofing material 9 can be inserted into the gap between the lower part 16 and the upper part 17.

The spacer 14 has a rectangular shape having a size substantially matching the contact area between the top 18 of the lower part 16 and the top 28 of the upper part 17, and corresponds to the bolt holes 20 and the bolt holes 29. Two bolt holes 30 are formed adjacent to each other.

A notch 31 as shown in FIG. 5 is formed at a portion where both ends of the upper part 17 protrude from the main building package 13. A groove 32 as shown in FIG. 6 is formed at a position overlapping the upper part 17 of the main building package base plate 11.

Next, the operation of the first embodiment will be described.

When constructing the sloped roof 1, first, the ridge 2
Is fixed to the bracket. The fixing of the parent metal fixing bracket 15 is performed by bringing the U-shaped flange portion 22 of the lower part 16 into surface contact with the base plate 6 forming the roof slope on both sides of the ridge portion 2, and using the nail hole 24. This is performed by nailing so as to penetrate the main plate 6 and the purlin 3. After the lower part 16 is fixed, the top part 28 of the upper part 17 is placed in contact with the top part 18 of the lower part 16, and the fastening bolt 19 is screwed to the nut member 21 through the bolt holes 29 and the bolt holes 20. The lower part 16 and the upper part 17 are integrated. At this time, FIG.
As shown in FIG. 10, the height can be arbitrarily adjusted by selecting whether or not to insert the spacers 14 between the lower part 16 and the upper part 17. In addition, a plurality of parent rope fixing brackets 15 are attached along the ridge longitudinal direction.

After the parent metal fixture 15 is attached, one end of the parent cable is fixed to the hook hole 27 of the upper part 17. At this time, the upper folding part 25 is formed at the end of the upper part 17, and the upper folding part 2 is formed.
Since the hook hole 27 is formed in 5, the master rope can be easily fixed without interfering with the roof construction surface.

Then, the worker attaches the other end of the parent rope to himself, and roofs the roofing material 9 on the roof structure from the eaves side to the ridge side. At this time, the upper end of the roofing material 9 at the top corresponding to the parent metal fixture 15 is inserted into the gap between the lower part 16 and the upper part 17.

When the roofing operation is completed, the ridge door 10 and the large ridge package base plate 11 are attached, and the large ridge packet 13 is covered to complete the ridge portion 2.

As described above, the height of the lower part 16 and the upper part 17 can be adjusted via the spacer 14, so that
As shown in FIG. 1 and FIG. 11 or FIG. 12 and FIG.
It is possible to cope with a change in the thickness of the upper end portion of the device, and to ensure versatility. In addition, FIG.
As shown in FIG. 12 and FIG. 12, by preparing a plurality of upper parts 17 having different shapes depending on the roof pattern, the type of the roofing material 9, and the like, the responsiveness can be increased. Also,
Since the lower part 16 and the upper part 17 can be respectively formed by bending a metal plate, they can be realized at low cost.

The lower part 16 and the upper part 17 are integrated.
By being separable, the lower part 16 can be fixed to the ridge part 2 at the portion where the lower part 16 and the upper part 17 overlap vertically, and the lower part 16 can be downsized accordingly. It becomes possible.

[0028]

As described above, according to the first aspect of the present invention, the height of the lower part and the upper part can be adjusted via the spacer, so that the pattern of the roof and the type of the roofing material can be adjusted. Therefore, even if the thickness of the upper end portion of the roofing material changes, it is possible to cope with the change, and it is possible to secure versatility. In addition, since the lower part and the upper part can be integrated and separated from each other, the lower part can be fixed to the ridge at the part where the lower part and the upper part overlap vertically, and the lower part Can be reduced in size.

According to the second aspect of the invention, the same advantageous effects as those of the first aspect can be obtained, which is a practically useful effect.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a ridge portion of a roof according to a first embodiment of the present invention.

FIG. 2 is an exploded side view of the parent rope fixing bracket of FIG.

FIG. 3 is a plan view of the parent rope fixing bracket of FIG. 1;

FIG. 4 is a plan view of a spacer.

FIG. 5 is a perspective view showing a cutout of the main building packet.

FIG. 6 is a perspective view showing a groove portion of the main building package base plate.

FIG. 7 is a side view of a parent metal bracket without a spacer.

FIG. 8 is a side view of the parent metal fixture with one spacer interposed.

FIG. 9 is a side view of a parent metal bracket with two spacers interposed therebetween.

FIG. 10 is a side view of the parent rope fixing bracket with three spacers interposed therebetween.

FIG. 11 is a longitudinal sectional view of a ridge portion of a roof similar to FIG. 1 and showing a state of two tiles.

FIG. 12 is a longitudinal sectional view of a ridge portion of a roof similar to that of FIG. 1 when a gradient is different.

FIG. 13 is a longitudinal sectional view of a ridge portion of a roof similar to FIG. 12, showing a state when two roof tiles are used.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Roof (gradient roof) 2 Building part 14 Spacer 15 Parental bracket fixing part 16 Lower part 17 Upper part

Claims (2)

[Claims] 1. A main line fixing bracket attached to a ridge portion of a roof for fixing a main line for work on a roof, comprising: a lower component fixed to the ridge portion; and an upper component fixing the main line. And a detachable fixing bracket, wherein a height-adjustable spacer can be interposed between the lower part and the upper part. 2. The roof structure according to claim 1, wherein the metal fittings according to claim 1 are attached to a roof ridge, and an upper end of a roofing material can be inserted into a gap between a lower part and an upper part.