JPH1136605A - Safety rope fixture and fixing structure for installing safety rope - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixture by which a safety rope of a worker is installed during the maintenance and inspection or repair work of a roof, without adversely affecting the execution of roof finish material. SOLUTION: A lower side metal fixture 1 in which a pair of fixing plates 1a are formed in the shape of a mountain is fixed by a screw 6 to a sheathing roof board serving as a roof backing material over which a waterproof sheet is spread. A tile is executed on top of the lower side metal fixture 1 from the eaves side, and, with the execution of a tile below an uppermost tile, a waterproof tape is laid over the top of a second tile, and an upper side metal fixture 2 in which a pair of fixing plates 2a each having a rope attaching part 4 are formed in the shape of a mountain is disposed, with bolts 5 passed through bolt holes 2c in the metal fixture 2 and fastened to the nuts 3 of the lower side metal fixture 1. The upper side metal fixture 2 is thereby fixed to the lower side metal fixture 1. Further, the top of the upper side metal fixture 2 is covered with ridge capping serving as a waterproof cover, thus securing waterproofness.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety rope attachment for attaching a worker's safety rope when performing a maintenance inspection or repair work on a roof, and a safety rope for fixing the safety rope attachment to a roof ridge. The present invention relates to a fixing structure for attaching a rope.

[0002]

2. Description of the Related Art When performing maintenance and repair work on a roof, it is necessary to connect a safety rope worn by a worker to a fixture provided at a ridge in order to ensure the safety of the worker. Is being done. The following technology has been proposed as a fixture for attaching such a safety rope.

[0003] A lifeline fixture for work on a roof disclosed in Japanese Patent Application Laid-Open No. H8-312155 (first known technology) is, as shown in FIG. 53 is connected by a hinge 54. Then, the fixture 55 configured as described above is arranged on the ridge of the roof 56, and the main cable 57 is fixed by hanging over the eaves.

[0004] In the first known technique, the plate-like member 53 is provided with a master rope.
It is pressed by 57 and pressed against the surface of the roof 56. For this reason, even if the tension of the lifeline 51 acts on the eyebolt 52 from any direction, it does not separate from the roof 56.

[0005] In addition, the mounting structure of a parent rope (second known technique) disclosed in Japanese Utility Model Laid-Open No. 61-36648, as shown in FIG.
A pair of projections 62 are provided at both ends of the purlin 61 and the projections 62
A receiving shaft 63 is mounted on the receiving shaft 63, a parent rope 64 is stretched over the receiving shaft 63, and a lifeline 65 is further attached to the parent rope 64.

[0006] In the above technique, the main rope 64 can be easily stretched over the entire length of the purlin 61, and by attaching the life rope 65 to the main rope 64 via a carabiner, the worker can safely perform the roof construction. And can be easily moved. However, the protruding pieces 62 provided on the purlin 61 are covered with a roof finishing material when the roof is completed.

[0007]

According to the above-mentioned first known technique, it is necessary to attach / detach the attachment 55 to / from the ridge every time maintenance work or repair work of the roof is performed. The fixing method for the ridge section of the ridge is attached to the parent line 57
Since it is hung from the eaves to the eaves, there is a problem that the fixing work of the attachment 55 is complicated.

The second known technique is effective during the construction of a building, but when the roof is completed, the purlin 61 and the projection 62 attached to the purlin 61 are covered by the roof.
There is a problem that the protruding piece 62 cannot be used when performing the maintenance and inspection work or the repair work, and it is necessary to use another safety device.

SUMMARY OF THE INVENTION An object of the present invention is to provide a safety rope mounting device which can easily and securely mount a safety rope at the time of maintenance inspection or repair of a roof without having to remove it once mounted on a roof. It is to provide a fixing structure.

[0010]

In order to solve the above-mentioned problems, a safety rope attachment according to the present invention is a safety rope attachment fixed to a ridge portion of a sloped roof, and extends to both sides from the ridge portion. A lower fixing member having a pair of fixing plates fixed to the base material of the roof, and a lower fixing member having a pair of fixing plates extending to both sides from the ridge. The upper fixing hardware is connected to each other at the center of each chevron, and a rope attachment portion is provided on a fixing plate of the upper fixing hardware.

In the above-mentioned safety rope mounting device, the lower fixing hardware is fixed to the base material of the roof, the upper fixing hardware is arranged on the roof finishing material or on the same surface as the roof finishing material. Because they are connected, they can be fixed firmly.
In particular, it can be fixed in a stable state even with a square roof without a ridge on the roof.

[0012] Further, in the fixing structure for mounting a safety rope according to the present invention, in the structure for fixing the above-mentioned safety rope mounting device (hereinafter simply referred to as “mounting device”) to a ridge portion of a sloped roof, A pair of fixing plates of the lower fixing hardware are fixed to the base material of the extending roof, respectively, and a pair of upper fixing hardware is fixed above the roof finishing material laid on both sides from the ridge portion so as to cover the lower fixing hardware. Plates are respectively arranged, the lower fixed hardware and the upper fixed hardware are connected to each other at a central part of each chevron, and the central part of the chevron of the upper fixed hardware is covered with a waterproof cover. It is assumed that.

In the above fixing structure, since the central portion of the upper fixing metal disposed on the roof finishing material is covered with the waterproof cover, there is no danger of rain leaking. Therefore, the mounting fixture is always attached to the ridge. It can be held in a state where it is held.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a fixing device according to a preferred embodiment of the present invention. FIG. 1 is a diagram illustrating a configuration of an upper fixing hardware,
FIG. 2 is a view for explaining the configuration of the lower fixing hardware, FIG. 3 is a development view when the mounting fixture is constituted by the upper fixing hardware and the lower fixing hardware, and FIG. FIG. 5 is a diagram illustrating a procedure for configuring the fixing structure, FIG. 6 is a diagram illustrating a procedure for configuring the fixing structure, and FIG. 7 is a diagram illustrating how to use the fixture. .

First, the structure of the fixture A will be described with reference to FIGS. The fixture A includes a lower fixing hardware 1 shown in FIG. 2 and an upper fixing metal 2 shown in FIG. Then, the lower fixing hardware 1 is fixed to the base material of the roof using nails or screws 6, a roof finishing material is installed thereon, and the upper fixing hardware 2 is arranged, and the bolts 5 are inserted through the upper fixing hardware 2. Then, it is connected by screwing it to the nut 3 of the lower fixing hardware 1, thereby forming the attachment A.

The lower fixing metal 1 is formed by bending a flat bar having a predetermined thickness and forming a pair of fixing plates 1.
It is formed in a mountain shape having a. This lower fixing hardware 1
Is a pair of fixing plates 1a fixed to the base material of the roof in the ridge, a connecting plate 1b provided horizontally at the center of the pair of fixing plates 1a, and welding means to the connecting plate 1b. And a nut 3 fixed thereto.

The angle formed by the pair of fixing plates 1a has a value corresponding to the target inclination angle of the roof, and each fixing plate 1a is fixed to the base material of the roof with a nail or a screw. For this reason, a pilot hole 1d is previously formed in each fixing plate 1a. However, it is not essential to previously form the pilot hole 1d in the fixing plate 1a of the lower fixing hardware 1.

A step 1c is formed between the connection plate 1b and each fixed plate 1a. The height of the step portion 1c is set according to the thickness of the roof finishing material. That is, when the thickness of the roof finishing material is small, the height of the step 1c is low,
In addition, when the thickness of the roof finishing material is large, the height of the step 1c is set to be high. Two nuts 3 are arranged corresponding to holes formed for inserting the bolts 5 formed in the connection plate 1b, and are respectively fixed to the lower surface side of the connection plate 1b.

The upper fixing metal member 2 is formed by bending a flat bar having a predetermined thickness and forming a pair of fixing plates 2.
It is formed in a mountain shape having a. This upper fixture 2
Is a pair of fixed plates 2a arranged at the same level or above the roof finishing material in the ridge, a connecting plate 2b provided horizontally at the center of the pair of fixed plates 2a, and each fixed plate 2a. And a rope attachment portion 4 provided.

The angle formed by the pair of fixing plates 2a has a value corresponding to the inclination angle of the target roof. When the upper fixing hardware 2 is arranged above the roof finishing material or at the same level, the fixing plates 2a Is parallel to the surface of the roof finish. There is no special relation between the length of each fixing plate 2a and the length of the fixing plate 1a of the lower fixing hardware 1, and they are formed to have values independent of each other.

The connection plate 2b is formed without any step between the connection plate 2b and the fixed plate 2a. A bolt hole 2c is formed in the connection plate 2b at the same interval as the nut 3 fixed to the lower solid metal part 1, and a bolt 5 (see FIG. 3) is inserted through the bolt hole 2c so that the nut 3 Is screwed to the upper fixing hardware 2 so as to be connected to the lower fixing hardware 1.

A rope mounting portion 4 is provided on the upper surface of the fixed plate 2a. Although the structure of the rope attachment portion 4 is not particularly limited, it is necessary that the rope attachment portion 4 has a structure that does not easily come off when a lifeline worn by a worker or a main line connecting the lifeline is attached. .

In the present embodiment, a ring-shaped member is used as the rope attaching portion 4. An example of such a member is an eyebolt. The rope attachment portion 4 can be configured by screwing and fixing the eyebolt to the fixing plate 2a or by fixing by welding.

Next, a fixing structure for attaching a safety rope and a construction procedure will be described with reference to FIGS. As shown in FIG. 4, the fixture A is provided on the ridge of the roof. Rafters 11 arranged in two directions according to the slope of the roof are fixed to the ridge, and both rafters 11 are connected at their tips by connecting members 12 to form a ridge. That is, in this embodiment, the ridge portion is not provided with a horizontally arranged member such as a ridge or a ridge.

On the upper surface of the rafter 11 and on the upper surface of the connecting member 12, there is arranged a base plate 13 serving as a base material of a roof and fixed by nails or screws (not shown). A waterproof sheet 14 is laid. The lower fixing hardware 1 constituting the fixture A is disposed at a preset position on a base plate 13 on which a waterproof sheet 14 is laid, and a pair of fixing plates 1a are fixed by screws 6 respectively. Therefore, in the first step, the lower fixed hardware 1
Only the base plate 13 is fixed to the base plate 13, and the upper fixing hardware 2 is attached in a later step.

After fixing the lower fixing hardware 1 at a preset position in the ridge, a tile 15 is constructed from the eaves side, and the tile 15a closest to the ridge (the tile laid on the top of the roof). From the ridge located underneath to the second tile 15b. As a result, the fixing plate 1a of the lower fixing metal 1 fixed to the base plate 13 is covered by the substantially second roof tile 15b.

Next, as shown in FIG.
A waterproof tape 16 is applied to the upper part of the second roof tile 15b which is a part where the waterproof tape is fixed and which covers both sides of the ridge.
Place the upper fixture 2 above the 16 and bolt holes 2
The bolt 5 is inserted into the nut 3 of the lower fixing hardware 1 by inserting the bolt 5 into the nut c. As a result, the upper fixed hardware 2 becomes the lower fixed hardware 1
And a fixture A is provided at the ridge. In this state, the fixing plate 2a of the upper fixing metal 2 protrudes from the second roof tile 15b.

Next, as shown in FIG.
The uppermost tile 15a is laid on the upper part of the upper tile 15a. At this time, the fixing plate 2a of the upper fixing hardware 2 protrudes above the second tile 15b. I do.
Therefore, the uppermost tile 15a that is laid on the portion where the upper fixing metal 2 is fixed is cut so as to avoid the metal 2 and is arranged in parallel so that the cut surface faces the fixing plate 2a. The gap between the fixing plate 2a of the upper fixing metal 2 and the top tile 15a is filled with a sealing material 17, thereby ensuring waterproof performance.

After the roof 15 is covered with the tiles 15 as described above, the ridge is covered with a ridge 18 serving as a waterproof cover to perform waterproofing. That is, the roofing material 18a is arranged on both sides of the ridge portion, and the base plate is nailed with screws or screws (not shown).
13 and cover the upper part of the underlaying material 18a with a waterproof sheet 18b. Further, a ridge packet 18 formed in a mountain shape corresponding to the angle of the roof is arranged, and the underlaying material 18a is nailed or screwed.
Alternatively, it is fixed to the field board 13.

As described above, it is possible to fix the fixture A at a predetermined position of the ridge when the building is constructed. Fixture A
The upper fixing hardware 2 (rope attachment portion 4) is always exposed to the roof surface, and when performing maintenance inspection or repair work on the roof, the worker's lifeline is attached to the exposed rope attachment portion 4 to ensure safety. It is possible to do work.

The number of fixtures A provided in the ridge is not particularly limited. For example, in the case of a square roof, it is sufficient to provide one fixture A, and in the case of a roof having a straight ridge such as a gable roof or a ridge roof, By providing a plurality of attachments A, it is possible to carry out safe maintenance and inspection work or repair work.

FIG. 7 shows a case in which a plurality of fixtures A are provided on the building roof.
It is explanatory drawing at the time of performing a target operation | work using this attachment A. As shown in the figure, the worker is wearing a lifeline 19 in advance, and a carabiner 20 for climbing is attached to the end of the lifeline 19.
Is connected.

When the lifeline 19 is attached to the rope attachment portion 4 of the attachment A, the movable range of the worker is limited by the length of the lifeline 19, so that when the roof is large, the movement of the worker is inconvenient. For this reason, the main rope 21 is stretched over the rope mounting portion 4 of the adjacent mounting tool A, and the life rope 19 is mounted on the main rope 21, so that substantially the entire surface of the roof can be a workable area.

As described above, the attachment A is attached to the ridge when the building is newly constructed, and the rope attachment 4 is exposed on the roof surface. For this reason, the lifeline is directly or indirectly attached to the rope attaching portion 4.
By connecting 19, it is possible to improve safety when performing work on the roof after construction, for example, when installing an antenna, cleaning rain gutters, or performing work such as checking or replacing roof tiles. .

[0035]

As described above in detail, in the safety rope mounting device according to the present invention, the safety rope mounting device includes a lower fixing hardware fixed to a roof base material, and an upper fixing hardware having a rope mounting portion. By fixing the lower fixing hardware to the base material of the roof and connecting the upper fixing hardware at the center, the lower fixing hardware is attached to the roof base material when roofing the roof finishing material. Is fixed, and after the roof finishing material is installed, the upper fixing hardware is connected to the lower fixing hardware, so that the construction of the roof finishing material is not adversely affected. That is, the work of roofing the roof finishing material can be easily performed.

Further, in order to fix the lower fixing hardware to the base material of the roof, and to connect the upper fixing hardware to the lower fixing hardware,
It can be installed regardless of the structure of the building. That is, a safety rope attachment can be installed even in a skeleton without a purlin or ridge.

Further, in the fixing structure for mounting the safety rope according to the present invention, since the center portion of the upper fixing hardware of the safety rope mounting tool is covered with the waterproof cover, there is no possibility of rain leakage.

In particular, in order to maintain a state in which the rope attachment portion of the safety rope attachment device is always exposed to the roof surface, a lifeline is connected to the rope attachment portion to perform work on the roof, for example, antenna construction or rain gutter installation. It is possible to ensure safety when performing maintenance work or maintenance work such as maintenance inspection and roof tile replacement.

[Brief description of the drawings]

FIG. 1 is a diagram illustrating a configuration of an upper fixing hardware.

FIG. 2 is a diagram illustrating a configuration of a lower fixing hardware.

FIG. 3 is an exploded view of a case where an attachment is constituted by an upper fixing hardware and a lower fixing hardware.

FIG. 4 is a sectional view of a ridge for explaining a fixing structure for fixing a fixture.

FIG. 5 is a diagram illustrating a procedure for configuring a fixed structure.

FIG. 6 is a diagram illustrating a procedure for configuring a fixing structure.

FIG. 7 is a diagram for explaining how to use the attachment.

FIG. 8 is a diagram illustrating a technique of a first known example.

FIG. 9 is a diagram illustrating a technique of a second known example.

[Explanation of symbols]

 A Fixture 1 Lower fixing hardware 1a, 2a Fixing plate 1b, 2b Connection plate 1c Step 1d Lower hole 2 Upper fixing metal 2c Bolt hole 3 Nut 4 Rope mounting part 5 Bolt 6 Screw 11 Rafter 12 Connecting member 13 Field plate 14 Waterproof Sheet 15, 15a, 15b Tile 16 Waterproof tape 17 Sealing material 18 Building wrapping 18a Underlay material 18b Waterproof sheet

Claims (2)

[Claims] 1. A safety rope fixing device fixed to a ridge portion of a sloped roof, wherein a mountain-shaped lower fixing hardware having a pair of fixing plates respectively fixed to a base material of a roof extending to both sides from the ridge portion. And a mountain-shaped upper fixing metal having a pair of fixing plates extending to both sides from the ridge portion, wherein the lower fixing metal and the upper fixing metal are connected to each other at a central portion of each mountain. And a fixing plate for the upper fixing hardware, wherein a rope mounting portion is provided. 2. A pair of fixing plates of a lower fixing hardware on a base material of a roof extending to both sides from the ridge portion, wherein the safety rope mounting device according to claim 1 is fixed to a ridge portion of a sloped roof. Are fixed respectively, and a pair of fixing plates of an upper fixing metal is arranged above a roof finishing material laid so as to cover the lower fixing metal on both sides from the ridge portion, and the lower fixing metal and the upper fixing metal are A fixing structure for attaching a safety rope, wherein the fixing portions are connected to each other at the central portions of the respective chevrons, and the central portions of the chevron of the upper fixing hardware are covered with a waterproof cover.