JP3215626U - Protective rope locking device - Google Patents

Abstract

A tool for locking a protection rope for preventing an operator from falling on a roof is provided. A protective rope locking tool (1) is composed of a roof surface anchor (2) and a rigid rod (3) provided across a plurality of roof surface anchors (2), and the roof surface anchor (2) is adjacent to the inclined direction. Two base bodies 5 that are fixed to the two rows of ridges B in the horizontal direction perpendicular to the heel direction, and two legs 4 that are connected to the respective base bodies 5 Each of the basic bodies 5 is composed of two hook fixing brackets 10 that are detachably fixed to two rows of hooks and a horizontal bracket that connects the hook fixing brackets 10 in the horizontal direction. 4, each lower part is fixed to a horizontal bracket of each base body 5 so as to be rotatable, and upper parts configured opposite to each other are fixed at an appropriate angle θ so as to be rotatable. It is possible to make it possible. [Selection] Figure 1

Description

  The present invention relates to a tool installed on a roof surface for preventing an operator on the roof from falling.

There is a risk of accidental falling while working on the roof, especially in snowy areas, snow ice on the roof is drained by human hands, at this time sliding on the inclined surface of the roof, There has been an accident of sliding down from the edge of the roof. For this reason, various tools for preventing the fall of attaching a protective rope to an operator and locking the protective rope to a roof structure have been proposed.
As a related publicly known invention, there is an example (see Patent Document 1) of a strut fitting for laying a master rope for a folded-plate structure roof.

Utility model registration No. 3076202

Patent Document 1 is configured such that the holding portion 5 of the mounting bracket portion A is clamped and held on the superposed protruding strip portion 4 of the folded structure roof, and the strut 2 for supporting the main rope is placed upright on the upper portion. A strut attachment for a parent tug is shown. In this example, since the master rope is stretched between a plurality of master rope tension struts, when the master rope relaxes, the distance from the master rope to the roof edge is constant in the vicinity of the strut and in the vicinity of the center. There is a problem of not becoming. Moreover, the structure of the mounting bracket part A is complicated, and there are problems in handling and durability.
This invention provides the tool which solved such a subject.

Means to try to solve the problem

The present invention is a device for locking a fall-preventing protective rope installed on a roof, and is composed of a roof surface anchor and a rod having rigidity provided over the plurality of roof surface anchors. Is done. The roof surface anchor is composed of two parallel foundations and two legs each provided approximately symmetrically on the upper part of the foundation, and the legs are opposed to each other. The upper portions are connected to each other so as to be rotatable at an appropriate angle θ.
Each of the foundation bodies has two hook fixing brackets that detachably hold and fix two rows of hooks B adjacent to each other in the inclination direction (the hook direction, the first direction) of the roof surface A. And a horizontal bracket in the horizontal direction (second direction) perpendicular to the heel direction, which connects the two heel fixing brackets. The horizontal bracket is fixed to the lower part of each leg so as to be rotatable.
The rod body is provided over the upper portion of the leg body of a plurality of roof surface anchors, and is a protection rope locking tool that is inserted through the rod body and the protection rope slides and locks.
Further, it is preferable that the angle θ formed by the legs 4 is reduced so that the leg can be folded during transportation.

Effect of device

The roof surface anchor of the present invention can be easily installed by the anchor fixing bracket using the flange portion of the existing roof surface. At this time, since the horizontal bracket is rotatable with respect to the leg member, the hook fixing bracket attached to the horizontal bracket can be installed without requiring special adjustment following the inclined hook. . It can also be folded and transported and stored.
Since the rod body that locks the protection rope has rigidity and can be installed in parallel with the edge of the roof surface, the distance between the rod body and the roof edge becomes constant, and the protection rope of a certain length is used. When the worker moves, the standing position on the roof edge can be made constant, and the work can be performed safely.

It is a left view explaining this invention. It is a front view same as the above. It is a front view explaining the scissors fixing metal fitting of this invention. It is a top view explaining the scissors fixing metal fitting of this invention. It is a side view explaining the scissors fixing metal fitting of this invention. It is a front view explaining the installation situation of the present invention. It is explanatory drawing which shows the folded state.

The form for implementing this invention is demonstrated in detail using FIGS. 1-7.
The protection rope locking device of the present invention has a protruding portion called a hull, which is formed by bending and joining metal plate joints on the roof surface, forming a number of parallel strips in the direction of the roof inclination. It is used for the roof that is formed, and is fixed using this fence.
The protection rope locking device of the present invention is used when it is installed on a roof surface inclined in one direction and when it is installed across the top of a roof surface where two inclined surfaces face each other and intersect convexly. Is possible. Of course this is possible if the roof is horizontal.

A protection rope locking tool 1 of the present invention is a tool for locking a protection rope installed on a roof, and as shown in FIGS. 1 to 7, a roof surface anchor 2 and a plurality of the roof surfaces. It is composed of a rod body 3 that is provided over an anchor 2.
The roof surface anchor 2 is provided with substantially symmetrical legs 4 (4A, 4B) on the upper parts of two parallel base bodies 5, respectively, and the legs 4A and 4B are opposed to each other. Are connected in a crossed state.
Each of the foundation bodies 5 includes two pieces that detachably fix two rows of ridges B adjacent to each other in the inclination direction of the roof surface A (also referred to as the first direction, hereinafter referred to as the first direction). And a horizontal bracket 20 in the horizontal direction (hereinafter referred to as the second direction) perpendicular to the flange direction, which connects the flange fixing bracket 10 to each other.

FIG. 3 is a front view for explaining the basic body 5. In the figure, the roof surface and the portion of the eaves are shown in cross section, and the vicinity of the eaves is fixed to the base material with a nail 40 or the like.
As shown in FIGS. 3 to 5, the heel fixing bracket 10 is formed by combining brackets 10 </ b> A and 10 </ b> B having portions having a U-shaped cross section to face each other, so The lower part 10Ab, 10Bb is used as a point of action, the lower part 10Ab, 10Bb is used as a working point, and the center part 10c is fastened and fixed with the fixing bolts and nuts 13 as a working point. As shown in the drawing, in this example, there are two portions (10Ab, 10Bb) that sandwich the heel in the heel direction with respect to one ridge, and the more the number of the sandwiched portions, the more the fixing effect can be expected.
The saddle-fixing metal fitting 10 of this example is provided with a horizontal flat surface portion 10 d further above the U-shaped portion, and this flat surface portion is fixed to the horizontal metal fitting 20 with a base body fixing bolt / nut 14. In order to secure the space for fixing the bolts and nuts, one flat surface portion 10e is provided away from the U-shaped portion outward (second direction).

  As shown in FIGS. 3 and 4, the horizontal bracket 20 is a bracket that connects the hook fixing brackets 10 attached to the two rows of hooks in the horizontal direction (second direction). It consists of a flat horizontal bracket 21 provided with a flange portion 21a for reinforcement in the (second direction), and this flat portion is installed in parallel to the roof surface. A horizontal (second direction) slot 22 is provided in order to match the position of the bolt nut 14 for fixing the rod fixing bracket 10 so as to be able to cope with different rod intervals depending on specifications. The horizontal bracket 20 is provided with a leg support portion 23 erected from the flat surface portion so as to be pivotably fixed to a lower portion of a leg member 30 of the leg 4 described later. Moreover, the opening hole 39 which discharges rainwater is provided.

As shown in FIGS. 1 and 2, the leg body 4 has two leg members 30 that are perpendicular to the second direction and inclined in the first direction. In this example, the lower part of the leg member 30 is The base member 5 is connected to the leg support part 23 of the horizontal bracket 20 by bolts and nuts 34. At the time of assembly, the bolts and nuts 34 can be turned around the fulcrum, and after the assembly, the bolts and nuts 34 are fixed.
In this example of FIGS. 1 and 2, the leg member 30 is constituted by a member using two parallel shaped steels, and is connected to a middle portion by a reinforcing material 36. The leg 4 is preferably composed of two leg members 30 because of its structural stability, but the present invention is not limited to this and includes one. The example shown in FIGS. 1 and 2 is an example in which a leg 4B having a small interval between the leg members 30 is opposed to a leg 4A having a wide interval between the two leg members 30 so as to face each other.
The respective leg members 30 of the leg bodies 4A and 4B are connected to each other at their upper portions by bolts and nuts 32 at their respective cross connection portions 31. At the time of assembling, the bolts and nuts 32 can be turned around a fulcrum, and after assembling, the bolts and nuts 32 are fixed at an appropriate angle θ. The angle θ is preferably 50 ° to 70 ° in practice. In this example, an angle fixing member 37 is bridged over substantially the central part of each reinforcing member 36 of the legs 4A and 4B, and both ends are fixed with bolts and nuts 38. By changing the length of the angle fixing member 37, the angle θ of the legs 4A and 4B can be adjusted.

A pipe fastening bracket 35 is provided on the upper portion of the leg body 4, and the rod body 3 is fixed by the pipe fastening bracket 35 of the leg body 4 of the plurality of roof surface anchors 2, and hangs in the horizontal direction (second direction). Provided.
The rod body 3 is a straight and rod-like member having rigidity, and a steel tube having a diameter of 48.6 mm called a single tube is practically preferable.
The position of the roof surface anchor 2 is arranged in a horizontal direction (second direction) perpendicular to the ridge direction so that the bar 3 provided on the roof surface anchor 2 is parallel to the end E of the roof surface.

Next, the usage will be described.
The roof surface anchor 2 of the present invention is installed on the roof surface. When the inclined surface is 1, the horizontal bracket 20 is temporarily placed in a direction (second direction) perpendicular to the ridge so as to be hooked on two adjacent rows of ridges in the inclined direction on the same surface. When the inclined surface is 2, the horizontal bracket 20 is temporarily placed in a direction (second direction) perpendicular to the ridge across the convex top where the inclined surfaces intersect. At this time, the angle fixing member 37 is fixed and the angle θ between the leg members 30 is set to be constant. At this time, since the horizontal bracket 20 is rotatable with respect to the leg member 30, the horizontal bracket The heel fixing bracket 10 attached to 20 can be installed without requiring special adjustment following the inclined heel.
After this, the horizontal bracket 20 and the leg member 30 that can be rotated are fastened and fixed by bolts and nuts 34, and the leg members 30 are fastened and fixed by bolts and nuts 32.

Next, two or more roof surface anchors 2 are installed, the rod body 3 is bridged, and it fixes using the pipe fastening bracket 35. FIG.
At this time, the plurality of roof surface anchors 2 are arranged such that the rod body 3 and the end E of the roof surface are parallel to a horizontal direction (second direction) perpendicular to the ridge direction. When the roof surface is inclined in the second direction in addition to the first direction, the roof surface anchor is installed so that the bar 3 and the end E of the roof surface are parallel to each other.
In use, the length of the protection rope is adjusted and the hook is inserted into the rod 3 for use. According to the position of the operator, the hook of the protective rope can slide and lock the rod body 3.
As described above, since the rod body 3 for locking the protective rope has rigidity and can be installed in parallel with the end E of the roof surface, the distance between the rod 3 and the roof end E is constant, and is constant. Even when the operator moves using the length of the protective rope, the standing position at the roof edge can be made constant, which is safe in terms of work.
In order to remove the protective rope locking tool, it can be disassembled by the reverse procedure.
Further, since the legs 4 are rotatable with the bolts and nuts 32 as fulcrums, the angle fixing member 37 is removed at the time of transportation or storage, and the angle θ formed by the legs 4 is reduced and folded. Can do. FIG. 7 shows the roof surface anchor 2 in a folded state.

DESCRIPTION OF SYMBOLS 1 Protection rope locking device 2 Roof surface anchor 3 Rod body 4 (4A, 4B) Leg body 5 Base body 10 (10A, 10B) 馳 fixing bracket 13 馳 fixing bolt / nut 14 Foundation fixing bolt / nut 20 Horizontal bracket 21 Horizontal member 22 Long hole 23 Leg support part 30 Leg member 31 Cross connection part 32 Bolt / nut 34 Bolt / nut 35 Pipe fastening bracket 36 Reinforcement member 37 Angle fixing member 38 Bolt / nut 39 Open hole 40 Nail A Roof surface B馳 E Roof edge

Claims (2)

A tool for locking the fall prevention protection rope installed on the roof,
Consists of roof anchor 2 and rod 3
The roof surface anchor 2 is composed of two parallel base bodies 5 and two leg bodies 4 each provided substantially symmetrically on the top of the base body 5,
The legs 4 are opposed to each other, and their upper parts are connected to each other at an appropriate angle θ so as to be rotatable,
Each of the foundation bodies 5 includes two rivet fixing brackets 10 that detachably hold and fix two rows of ridges B adjacent in the inclination direction of the roof surface A, and the two ridges. It consists of a horizontal mounting bracket 20 that connects the fixing bracket 10 and is perpendicular to the heel direction.
The horizontal bracket 20 is rotatably fixed to the lower part of each leg 4,
The bar 3 is provided over the leg 4 of the plurality of roof surface anchors 2 and is inserted through the bar 3 so that the protective rope slides and is locked.
A protective rope locking tool 1 characterized by that. The protective rope locking tool 1 according to claim 1, wherein the angle θ formed by the legs 4 is reduced to enable folding.

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