JP2005273417A - Safety implement and safety structure for roof work - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To ensure safety of a worker by a safety implement in future roof work and to ensure repair materials, equipment, and the like by fixing the safety implement beforehand in a suitable part of an inclined roof surface in newly constructing a roof. <P>SOLUTION: This safety implement 1 comprises a mounting part 2 fixed to the inclined roof surface through fasteners 6 such as screws or nails, a connection part 4 connected to the eaves side end of the mounting part 2, and a safety rope locking part 5 connected to the tip of the connection part. The safety implement 1 is fitted and fixed beforehand to the inclined roof surface, and a worker locks the safety rope to the locking part 5 of the safety implement 1 and makes corrections to perform work on the roof. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a roof work safety device and a safety structure that contribute to ensuring safety during roof work.

The roof of a building may be subjected to maintenance according to the secular change after construction, or the antenna may be attached or replaced after the roof construction.
In this case, workers such as roofers and antenna installers go up to the roof to lift, repair, install, and replace materials. Therefore, it is necessary to pay attention to securing the worker's body and securing lifted materials and equipment.

  In general, the above-mentioned worker on the roof secures the safety of the body with a safety line called a lifeline, but it is troublesome because it is necessary to securely lock the safety line.

For this reason, the safety metal fitting for roof work shown by the following patent documents 1 is proposed. In this proposed structure, a semicircular safety bracket main body is fixed along the lower surface of the roof tile at the top of the tile roof, and the safety rope of the worker is attached to the handle provided on the protruding arm portion of the safety bracket main body from the lower surface of the roof tile. Is locked.
JP-A-8-1335096

  However, since the conventional safety fitting has a structure that is attached to the lower surface of the roof tile at the top of the tile roof, the installation work is complicated and complicated. In addition, since it is necessary for the worker to lock the safety cable after climbing the top of the roof, there is a problem that it is unstable at the entrance to the roof or the inclined roof and the work range is narrow.

  Accordingly, the present invention solves the above-described problems. The purpose of the present invention is to fix a safety device in advance on a sloped roof surface in advance when a roof is newly installed, so that the safety device can be used during subsequent roof work. Therefore, it is intended to provide a roof construction safety device and a safety structure that can ensure the safety of workers and can also secure repair materials, equipment, and the like, and a roof construction safety device and a safety structure that are relatively easy to install.

  In order to achieve the above-mentioned object, the safety device for roof work according to the present invention is continuously provided on an inclined roof surface through a fixture such as a screw or a nail and an eaves side end of the attachment portion. It is characterized by comprising a connecting portion and a safety rope locking portion provided continuously at the tip of the connecting portion. The mounting portion is flat so as to be fixed to the roof base plate. The outer shape of the attachment portion can be an appropriate shape such as a rectangular shape, a circular shape, a polygonal shape, or a long plate shape.

  As shown in the first embodiment of FIG. 1, the safety device 1 of the present invention has a structure in which the mounting portion 2, the connecting portion 4, and the safety rope locking portion 5 are integrally formed by press-molding a metal plate, The safety cable latching portion 5 rises at a predetermined angle from the connecting portion 4 and has a structure in which a locking hole 7 for locking the safety cable is formed.

  Moreover, as shown in 2nd Embodiment of FIG. 4, while the safety device 20 of this invention has the said attachment part 21 formed in plate shape with the metal plate or the plastic plate, the said connection part 24 is from a wire. It is comprised and the return loop by the wire formed in the front end side of the wire is used as the safety rope latching | locking part 23B. The attachment portion 21 and the wire connection portion 24 may be joined to the attachment hole 22a provided in the attachment portion 21 by an end of the wire or by welding. Moreover, you may form the latching | locking part 23B with the plate body couple | bonded with the edge part of a wire.

  Further, in the safety structure for roof work according to the present invention, the safety device 1 (20) is used, and the mounting portion 2 (21) is used as a roof base material (roof base plate 13) on the lower surface of the roof tile 15 of the inclined roof. And the safety cable locking portion 5 (23B) is provided in advance on the inclined roof surface in a state where the safety rope locking portion 5 (23B) is exposed on the upper surface of the roof tile 15 below the connection of the roof tile 15. Yes. In this case, the roof tile 15 includes various roofing materials such as Japanese tiles, Western tiles, slate, metal sheets such as copper plating.

  It is desirable that the safety device 1 (20) is provided in advance at a plurality of locations on each part of the inclined roof surface in order to increase work safety and a wide range of action.

  Therefore, in the present invention, when working on the roof, one end is connected to the worker via a locking tool such as a carabiner to the safety cable locking part of the safety tool previously fixed to the inclined roof. By connecting a safety line (lifeline), maintenance work such as repair can be performed in a state in which work safety is ensured.

  Further, as a safety device, as shown in FIG. 1, the mounting portion 2, the connecting portion 4, and the safety rope locking portion 5 are formed by integrally forming a metal plate, and the plate-shaped safety device 1 as a whole has a roof tile 15 such as a slate. It is suitable when the overlapping part of the upper and lower roof tiles is flat. Moreover, as a safety device, the safety device 20 shown in FIG. 4 in which the connecting portion 24 is made of a wire is suitable when the roof tile 15 is uneven, such as a Japanese roof tile.

  Furthermore, by providing the safety device 1 (20) in advance at a plurality of locations on each part of the inclined roof surface, it is only necessary to replace the safety cable with the safety cable locking portion near the work position for each movement of the roof surface. The length of the safety cord may be short, the sliding distance at the time of falling is short, and the damage is small. Moreover, the safety device 1 (20) can be used for latching, such as a ladder and a tool case.

  Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a safety device according to a first embodiment of the present invention.

  In FIG. 1, a safety device 1 has a long plate shape as a whole formed by integrally molding a metal plate having a predetermined thickness, such as stainless steel, by press molding or the like. It consists of a long and slender connecting portion 4 integrated with a step 3 corresponding to the tile thickness to be described later at the tip, and a safety cord locking plate 5 that is formed obliquely at the tip of the connecting portion 4. .

  A plurality of fixing holes 2a are formed in the mounting portion 2 by punching, and a fixing tool 6 such as a woodworking screw is inserted into the fixing holes 2a so that the mounting portion 2 is firmly fixed to a roof base material to be described later. It has become.

  Further, in the center of the locking part 5, a locking hole 7 made of a long hole for locking a locking tool such as a carabiner at the tip of a safety cord (lifeline) is opened by press punching or the like.

  Furthermore, one or a plurality of parallel ridges 8 are formed at the bent portion of the attachment portion 4 and the locking portion 5 to reinforce this portion.

Next, the attachment procedure and usage pattern of the safety device 1 with respect to the inclined roof surface will be described with reference to FIG.
The sloped roof includes a rafter 10 provided along the roof slope, a nose cover 11 attached to the eave side of the rafter 10, and an eaves basket 12 attached to the front surface of the nose cover 11 along the longitudinal direction thereof. A roof base plate 13 (field plate) installed on the rafter 10 and an asphalt felt 14 covering the upper surface of the roof base plate 13 are provided, and the roof tile 15 is sequentially overlapped from the eave side end portion toward the ridge side. I will be beaten.

And as shown to (a), the attaching part 2 of the said safety device 1 is fixed by the fixing tool 6 on the roof baseplate 13 (asphalt felt 14) in the roof tile 15 some upper part.
In the fixed state, the connecting portion 4 is located along the upper surface of the roof tile 15 on the ridge side, and the locking portion 5 at the tip thereof is raised obliquely.

  In this state, the roof tile 15 on the ridge side is installed on the safety device 1 as shown in (b), so that a part of the tip of the connecting portion 4 and the locking portion 5 are positioned on the roof tile 15 on the eaves side.

  Therefore, when the work is performed on the roof after the roof construction, as shown in (c), a locking tool 17 such as a carabiner provided at the tip of the safety cord 16 is hooked in the locking hole 7 of the locking portion 5. If it stops, roof work can be performed after ensuring the safety of workers.

  In addition, this invention can respond to various roofs, such as a Japanese tile roof, a Western tile, a slate roof, and a metal roof roof.

FIG. 3 shows a roof provided with a plurality of the above safety devices. Among these, (a) is a plan view of the roof, (b) is a side view of the roof, and (c) is a plan view of the lower roof of a two-story house.
In the examples of FIGS. (A) and (b), the safety devices are provided at the lower, middle and upper portions of the sloped roof, the lower safety devices are for fixing the ladder, the intermediate safety devices are for lifting and lowering, and the upper safety devices. The tool is for work.
A plurality of safety devices can be provided at intervals in the lateral direction, and the arrangement interval in that case may be one place within three intervals. Fixed safety cords (master ropes) are connected in series between safety devices arranged at intervals in the lateral direction, and workers can connect the safety cords 16 that are lifelines to the lateral safety cords (master ropes). When the operator falls, the tensile force is distributed and transmitted to each safety device 1 through the fixed safety cord (master rope). When this occurs, the burden on the individual safety device 1 is reduced.

  FIG. 4 shows a second embodiment of the safety device according to the present invention. In FIG. 4, the safety device 20 is an attachment portion in which a metal plate having a predetermined thickness such as stainless steel is integrally formed by press molding or the like, and a plurality of fixing holes 21 a through which the fixing device 6 is inserted are opened. 21, a rising portion 22 that is raised at the tip of the mounting portion 21, and a connecting portion 24 that is a wire having loops formed at both ends. One end of the loop is inserted into a wire attachment hole 22a opened in the rising portion 22, and the loop is closed by caulking to form a loop coupling portion 23A. Further, the other end side loop is used as a safety cable locking portion 23B. The procedure for attaching the safety device 20 to the roof is the same as that in the first embodiment.

  In the second embodiment, even if the tiles have different thicknesses or different roof gradients, the flexibility of the wires allows them to follow them on a timely basis.

1 is a perspective view of a safety device according to a first embodiment of the present invention. (A)-(c) is a fragmentary sectional view which shows the attachment procedure to the roof surface of the safety gear, and the use condition after attachment. (A)-(c) is a schematic explanatory drawing which shows the state of the roof which has arrange | positioned the same safety device in multiple numbers. It is a perspective view of the safety device by 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1,20 Safety device 2,21 Attachment part 2a, 21a Fixing hole 3 Level | step difference 4,24 Connection part 5,23B Locking part 6 Fixing tool 7 Locking hole 13 Roof base plate 14 Asphalt felt 15 Roof tile 22 Rising part 22a Start-up part 23A Coupling part

Claims (6)

  It consists of a mounting part fixed to the inclined roof surface via a fixture, a connecting part connected to the eaves side end part of the mounting part, and a safety cable locking part connected to the tip of the connecting part. Features a roofing safety device.   The mounting portion, the connecting portion, and the safety cable locking portion have a structure in which a metal plate is integrally formed, and the safety cable locking portion rises from the connecting portion at a predetermined angle and has a locking hole for safety cable locking. The roof work safety device according to claim 1, wherein the roof work safety device is a formed structure.   The roof working safety device according to claim 1, wherein the attachment portion is formed of a metal plate or a plastic plate, and the connection portion is formed of a wire.   The roof work safety device according to claim 3, wherein a loop formed on the tip end side of the wire is used as a safety rope locking portion.   The roof work safety device according to any one of claims 1 to 4, wherein the attachment portion is fixed to a roof base material on a lower surface of a roof tile of an inclined roof, and the safety rope locking portion is A roof work safety structure, wherein the roof roof safety structure is provided in advance on an inclined roof surface in a state of being exposed on an upper surface of the roof tile below the roof tile.   6. The roof work safety structure according to claim 5, wherein the roof work safety device is provided in advance at a plurality of locations on each part of the inclined roof surface.

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