JPH08312155A - Lifeline attachment for roof work - Google Patents

Abstract

(57) [Summary] [Purpose] No matter what direction tension acts on the lifeline,
(EN) Provided is a lifeline attachment for roof work which can prevent detachment of a mounting portion and does not damage a ridge. [Structure] An eyebolt 11 serving as a lifeline attachment portion for attaching one end 4a of a lifeline 4 attached to a person who works on the roof 2 of the building house 1, and the eyebolt 11 is used for the building roof 2
The eyebolt 11 is attached to the building house 1 by mounting it at a substantially central position of the ridge portion 6 of the building, and straddling the fixing ropes 8 and 8 on both sides of the building roof eaves portions 3 and 3 which are held by sandwiching the ridge portion 6. I'm trying to fix it.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roof work lifeline fitting for fixing one end of a lifeline mainly attached to a person who works on the roof of a building to the building.

[0002]

2. Description of the Related Art As a conventional one of this type, there is known one proposed in Japanese Utility Model Laid-Open No. 58-157150 as shown in FIGS. In such a structure, one end 4a of a lifeline 4 attached to a person who works on the roof 2 of the building house 1 is fixed to the eaves portion 3 formed on the periphery of the roof 2 of the building house 1. A set of fittings 5, 5 is provided.

The attachments 5 and 5 are attached to the ridge 6 of the roof 2.
The eaves tip portions 3 and 3 located opposite to each other are sandwiched by using the elastic force of the spring members 7 and 7, respectively, and the main rope 8,
The 8 ropes are connected by the inter-rope connecting rope 9 via the tip annular portions 8a, 8a, and the parent ropes 8 are stretched.

One end 4a of the life rope 4 is connected to the tip annular portions 8a, 8a used for connecting the master ropes 8, 8 and the inter-master rope connecting rope 9.

If the worker falls,
Along the direction in which the master rope 8 is stretched, or the master rope 8
When a tension is applied to the lifeline with a narrow angle θ (less than about 45 degrees) with respect to the stretched direction of
(Indicated by the middle symbol A), the master ropes 8 and 8 are further pulled to strengthen the force with which the fixtures 5 and 5 clamp the eaves portions 3 and 3, and the fixtures 5 and 5 are It is designed so as to be prevented from coming off from the portion 5.

[0006]

However, in the conventional roof rope life rope attachment configured as described above, the master rope 8 such as the direction orthogonal to the direction in which the master ropes 8 are stretched is used.
When a tension is applied to the lifeline 4 with a wide angle α (about 45 degrees or more) with respect to (for example, as shown by reference numeral B in FIG. 7), the fixtures 5 are attached to the eaves tip. Part 3, 3
There was a risk that it would come off.

Further, in this case, there is a fear that the parent rope connecting rope 9 rubs and damages the upper surface of the ridge 6.

Therefore, according to the present invention, even if tension is applied to the lifeline from any direction, it is possible to prevent the attachment of the mounting portion of the eaves from being detached, and there is no risk of damaging the ridge. The challenge is to provide a fixture.

[0009]

According to a first aspect of the present invention for solving the above-mentioned problems, a lifeline clerk that attaches one end of a lifeline attached to a person who works on a roof of a building. The attachment portion and the lifeline attachment portion are attached to the building roof at a substantially central position of the ridge portion, and the attachment rope is attached to both sides of the eaves on both sides of the building roof, which are sandwiched with the attachment portion, to attach the lifeline attachment portion. It is characterized by a lifeline attachment for working on a roof, which has a fixing means for fixing the portion.

Further, according to a second aspect of the present invention, the fixing means includes plate-like members which are respectively attached to roof surfaces of the building located on both sides of the ridge, and a forming angle between the roof surfaces. The lifeline attachment for roof work according to claim 1, further comprising a hinge portion that connects the plate-shaped members so that the connection angle between the plate-shaped members can be changed.

According to the third aspect,
The lifeline attachment for roof work according to claim 1 or 2, wherein the fixing means is provided so as to be slidable along the roof surface and has a slide member that holds the ridge from both sides. I am trying.

[0012] According to a fourth aspect of the present invention, the fixing rope, which is stretched from the opposite eaves tip portion, is attached to the slide member, and the slide member is clamped in the sandwiching direction by stretching. The lifeline attachment for roof work according to claim 3, wherein a fixing rope engaging portion for sliding to is formed.

[0013]

According to the first aspect of the present invention configured as described above, the lifeline attachment portion is attached to the ridge portion of the building roof at a substantially central position by the fixing means.

The lifeline fastening portion is fixed by hanging a fixing rope around the eaves on both sides of the building roof which are opposed to each other across the ridge.

Therefore, even if tension is applied to the lifeline from any direction, the lifeline attachment portion is crimped to the ridge.
It is possible to prevent the attached part from coming off.

Since the lifeline does not move while rubbing the ridge, there is no risk of damaging the ridge.

According to the second aspect of the present invention, the plate-like members respectively attached to the roof surfaces of the building located on both sides of the ridge portion of the fixing means are hinged to the roof surfaces of both roof surfaces. The connection is made so that the connection angle can be changed according to the formation angle.

Therefore, it can be mounted on building roofs having various shapes.

According to the third aspect,
The slide member is provided so as to be slidable along the roof surface, and holds the ridge from both sides.

Therefore, the lifeline fastening portion can be securely fixed to the ridge.

According to the fourth aspect of the invention, the fixing rope engaging portion of the slide member engages the fixing rope extending from the opposite eaves tip portion, and The slide member is slid in the holding direction.

The slide member holds the ridge of the building from both sides by the tension of the fixing rope. For this reason,
Easy to arrange.

[0023]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific embodiments of the present invention will be described below with reference to the drawings.

1 and 2 show a first embodiment of the present invention. The same or equivalent parts as those of the conventional example are designated by the same reference numerals.

First, the structure will be described. The lifeline attachment 10 for work on the roof of the first embodiment is attached with one end 4a of the lifeline 4 attached to a person who works on the roof 2 of the building house 1. It is a thing.

The lifeline attachment 10 for working on the roof is
It is mainly composed of eyebolts 11 and 11 as lifeline fastening portions, two plate-like members 12 and 12 as fixing means for fixing the eyebolts 11 and 11 respectively, and hinge portions 13 and 13. .

The plate-shaped members 12 and 12 include the ridge portion 6
The building roof surfaces 2a, 2a located on both sides with the abutting face are provided with abutting surfaces 12a, 12a on the back side, and the abutting surfaces 12a, 12a are made of rubber and have a flat plate-like anti-slip member. 14 and 14 are attached respectively.

When using this attachment 10, a non-slip spray (for baseball bat grips, etc.) is applied to further increase the frictional force.

Further, the plate-like members 12 and 12 are formed with a plurality of main rope attachment auxiliary holes 12b at their side edges.

The hinge portions 13 and 13 are connected so that the connection angle between the two plate-like members 12 and 12 can be changed according to the formation angle of both roof surfaces 2a and 2a. .

Then, the plate-like members 12, 12 are put on the ridgeline of the ridge 6 so that the eyebolts 11, 11 are attached to substantially the center of the ridge 6 of the building roof 2, and the roof work is performed. While placing the life rope attachment 10, the parent rope 8, 8 as a fixing rope is crossed and hung across the building roof side eaves portions 3, 3 which are opposed to each other with the ridge portion 6 interposed therebetween, and the parent rope 8 , 8 are connected to the eyebolts 11 and 11, and the roof work lifeline attachment 10 is fixed.

Next, the operation of the first embodiment will be described. The lifeline attachment 1 for working on the roof of the first embodiment
At 0, as shown in FIG. 2, the main ropes 8 and 8 are crossed and hung, and the plate-like members 12 and 12 are covered with the roof surfaces 2a and 2a.
Have been dressed in. Therefore, the plate members 12, 12
Is pressed by the master ropes 8 and 8, and the slip prevention member 1
4, 14 are crimped to the roof surfaces 2a, 2a or both side surfaces of the ridge 6.

Therefore, even if the tension such as impact load generated when the worker falls from the roof 2 from any direction acts on the lifeline 4 connecting the one end 4a to the eyebolt 11, the eyebolt 11 The anti-slip members 14, 14 of the plate-shaped member 12 on which the roof is fixed are the roof surfaces 2a, 2a.
Alternatively, since it is crimped to both side surfaces of the ridge 6, it is possible to prevent the mounting portion from coming off the roof 2.

Further, since the eyebolt 11 is mounted at a substantially central position of the ridge portion 6 of the building roof 2, and the eyebolt 11 is projected upward from the plate member 12, the lifeline 4 is provided as in the conventional case. The ridge 6 does not move while rubbing the upper surface of the ridge 6, and there is no risk of damaging the ridge 6.

The two plate-shaped members 12, 12 which are respectively attached to the building roof surfaces 2a, 2a located on both sides of the ridge portion 6 by the hinge portions 13, 13 are attached to the roof surfaces 2a, 2a, respectively. The connection is made such that the connection angle can be changed according to the formation angle of 2a. For this reason, it is possible to attach the lifeline attachment 10 for working on the roof to a building roof having various shapes while exerting a crimping force while exhibiting a favorable angle.

FIG. 3 shows a lifeline attachment 20 for working on a roof according to a second embodiment of the present invention. In addition, the same or equivalent portions as those in the first embodiment will be described with the same reference numerals.

In the lifeline attachment 20 for work on the roof of the second embodiment, the roof surface 2 is attached to both plate members 12 and 12.
Sliding members 21 and 21 for sandwiching the ridge portion 6 from both sides are provided so as to be slidable along a and 2a, respectively.

Then, the slide members 21, 21 are fitted with the front end annular portions 8a, 8a of the main ropes 8, 8 as the fixing ropes that are stretched across from the opposite eaves tip portion 3 in a crossed manner. Then, these slide members 21 and 2 are stretched.
Engagement rings 22, 22 as fixing rope engagement portions for sliding 1 in the holding direction are provided respectively.

Further, on the roof contact surface side of the slide members 21, 21, ridge contact portions 23, 23 are formed so as to project orthogonally to the roof contact surface. Rubber-made slip prevention members 24, 24 are attached to the ridge contact portions 23, 23, respectively.
Each is posted.

The plate-like members 12 and 12 are provided with guide rings 25 and 26, respectively, for inserting the master ropes 8 and 8 and guiding them in the tension direction. In the second embodiment, one end 4a of the lifeline 4 (not shown) is connected to one guide ring 25.

Next, the operation of the second embodiment will be described. The lifeline attachment 2 for work on the roof of the second embodiment
In 0, in addition to the operation of the first embodiment, the slide members 21 and 21 further include the tip annular portions 8a and 8a of the master rope 8 and 8 stretched from the opposite side eaves portions 3 and 3. Since they are attached, the slide members 21, 21 slide in the holding direction by the tension of the main ropes 8, 8.

Since the slide members 21, 21 are formed with the ridge contact portions 23, 23, respectively, the ridge contact portions 2 are formed.
The anti-slip members 24, 24 of 3, 23 contact both side surfaces of the ridge portion 6 of the building house 1, and are crimped to both side surfaces of the ridge portion 6 by the tensioning force of the master rope 8, 8. Sandwich from. Therefore, the crimping force can be effectively applied according to the shape of the ridge 6, and the arrangement is easy.

The rest of the configuration and operation are the same as in the first embodiment, so a description thereof will be omitted.

FIGS. 4 to 6 show a lifeline attachment 30 for roof work according to a third embodiment of the present invention. In addition, regarding the same or equivalent portions as those of the first embodiment,
The description will be given with the same reference numerals.

In the roof work lifeline attachment 30 of the third embodiment, projecting members 31 and 31 are provided so as to project obliquely upward from both plate-like members 12 and 12. At the tips of the projecting members 31, 31, there are formed parent rope attachment auxiliary holes 32, 32 for attaching the tip annular portions 8a, 8a of the parent ropes 8, 8 (not shown), respectively.

Further, the lifeline attachment 3 for working on the roof
The 0 hinge part 33 is inserted into the plurality of bolt insertion holes formed in the plate-shaped members 12, 12 and the bolts 34 inserted into both ends of the bolt 34 so that the plate-shaped members 12, 1
It is mainly composed of nuts 35 and 35 that pivotally support the two.

In the roof work lifeline attachment 30 of the third embodiment having the above-described structure, the main line attachment auxiliary holes 32,
The end annular portions 8a, 8a of the master ropes 8, 8 are attached to 32, and the plate member 12 is stretched from the state shown in FIG. , 12 rotate around the hinge portion 13 located on the ridge portion 6 and shift to the state shown in FIG. Therefore, the slip prevention members 14, 1
4 can be pressed against the roof surfaces 2a, 2a or both side surfaces of the ridge 6 with a good contact angle to prevent detachment of the mounting portion from the roof 2.

The rest of the structure and operation are the same as in the first embodiment, so a description thereof will be omitted. Although the embodiment of the present invention has been described in detail above with reference to the drawings, the specific configuration is not limited to this embodiment, and even if the design is changed without departing from the gist of the present invention, the invention is included in the present invention. .

For example, in the lifeline attachment 10 for working on the roof of the first embodiment, the main ropes 8 and 8 are crossed and laid so that the tips of the main ropes 8 and 8 are connected to the eyebolts 11 and 11.
Although not particularly limited to this, as shown by the dotted line in FIG. 2, the tips of the master ropes 8 and 8 are connected to the master rope wearing auxiliary holes 12b formed in the plate-like members 12 and 12, respectively. It may be configured to be connected.

Further, in the lifeline attachment 30 for work on the roof according to the third embodiment, the hinge portion 33 has the plate-like members 12 and 1.
The plurality of bolt insertion holes formed in No. 2 are configured to rotatably support the plate-shaped members 12, 12 by the bolts 34 that are inserted, but the present invention is not particularly limited to this. It is also possible to form only the bolt insertion holes in the central portion or only the bolt insertion holes on the left and right sides so that the bolts 34 can be inserted into these bolt insertion holes.

[0051]

As described above, according to the first aspect of the present invention, the lifeline attachment portion is attached to the central portion of the ridge portion of the building roof by the fixing means.

The lifeline attachment portion is fixed by hanging a fixing rope around the eaves on both sides of the building roof, which are opposed to each other with the ridge portion in between.

Therefore, even if tension is applied to the lifeline from any direction, the lifeline attachment portion is crimped to the ridge.
It is possible to prevent the attached part from coming off.

Further, since the lifeline does not move while rubbing the ridge, there is no risk of damaging the ridge.

According to the second aspect of the present invention, the plate-like members that are respectively attached to the roof surfaces of the building located on both sides of the ridge portion of the fixing means are hinged to the roof surfaces of the roof members. The connection is made so that the connection angle can be changed according to the formation angle.

Therefore, it can be mounted on building roofs having various shapes.

Then, according to the third aspect,
The slide member is provided so as to be slidable along the roof surface, and holds the ridge from both sides.

Therefore, the lifeline fastening portion can be securely fixed to the ridge.

According to a fourth aspect of the present invention, the fixing rope engaging portion of the slide member engages the fixing rope extending from the opposite side eave tip portion and is stretched. The slide member is slid in the holding direction.

The slide member holds the building ridge from both sides by the tension of the fixing rope. For this reason,
It has a practically useful effect of being easy to dispose.

[Brief description of drawings]

FIG. 1 is a perspective view showing a lifeline attachment for working on a roof according to a first embodiment of the present invention and illustrating the overall configuration.

FIG. 2 is a perspective view showing a lifeline attachment for working on a roof of the same embodiment and explaining an arrangement example in a building house.

FIG. 3 is a perspective view showing a lifeline attachment for working on a roof according to a second embodiment of the present invention and illustrating the overall configuration.

FIG. 4 is a plan view showing a lifeline attachment for working on a roof according to a third embodiment of the present invention.

FIG. 5 is a side view showing a lifeline attachment for working on a roof according to a third embodiment and illustrating a state before being placed in a building house.

FIG. 6 is a side view showing a lifeline attachment for working on a roof according to a third embodiment and illustrating a state in which it is arranged in a building house.

FIG. 7 is a perspective view showing a conventional lifeline attachment and explaining an example of arrangement in a building house.

FIG. 8 is a side view showing an example of arrangement of a lifeline attachment of a conventional example in a building house.

[Explanation of symbols]

 1 Building House 2 Roof 4 Lifeline 8 Parent rope (Fixing rope) 10, 20, 30 Lifeline attachment for roof work 11 Eyebolt (Lifeline attachment part) 12 Plate-like member (One of fixing means) 13, 33 Hinge Part 21 Slide member 23 Abutment part of ridge

Claims (4)

[Claims] 1. A lifeline attachment portion for attaching one end of a lifeline attached to a person who works on a roof of a building, and the lifeline attachment portion is attached to a substantially central position of a ridge of a building roof. A lifeline attachment for roof work comprising: a fixing means for fixing the lifeline anchoring portion by straddling a rope for fixing on both sides of the eaves on both sides of the building roof sandwiching the ridge. 2. The fixing means comprises plate-like members which respectively abut on roof surfaces of buildings located on both sides of the ridge, and connections between the plate-like members according to the formation angles of the roof surfaces. 2. A lifeline attachment for working on a roof according to claim 1, further comprising a hinge portion for connecting the angle of which can be changed. 3. The fixing means according to claim 1 or 2, wherein the fixing means is provided so as to be slidable along the roof surface, and has a slide member for sandwiching the ridge from both sides. Lifeline attachment for roof work. 4. A fixing rope engaging portion for engaging the fixing rope extending from the opposite eaves tip portion with the slide member, and sliding the sliding member in the holding direction by the extension. The lifeline attachment for roof work according to claim 3, which is formed.