JP4173033B2 - Safety structure for high-rise work in buildings - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a safety structure for work at a high place in a building.
[0002]
[Prior art]
Conventionally, hardware that can support handrails and parent ropes is installed in advance when repairing, inspecting, cleaning, etc., such as waterproof sheets such as roofs and roofs of existing buildings, and when safe work using a safety belt is possible Except for this, work is done by building scaffolds around the building.
[0003]
However, it is costly and time consuming to build a large scaffold or remove it every work, and planting around the existing building or installing outdoor units such as storerooms and air conditioners. In many cases, it is difficult to obtain a space for assembling a scaffold. In addition, it is necessary to pay close attention not to damage the outer wall or the like when transporting the scaffold member.
[0004]
As a safety structure for working on the roof of an existing building without building a scaffold, a rope hooked on the edge of the roof is stretched on the roof to fix the support hardware, and between the support hardware There is one that fastens an operator's safety belt to the stretched master rope (see, for example, Patent Document 1).
[0005]
In addition, the end connector is fastened using the opening of the concrete foundation of the building, the interval holder is arranged on the roof portion, and the wire rope is stretched by the end connector and the interval holder. There is one that fastens a worker's safety belt to a wire rope (see, for example, Patent Document 2).
[0006]
[Patent Document 1]
JP 2002-327540 A [Patent Document 2]
JP 2000-265634 A
[Problems to be solved by the invention]
However, in the above-described conventional example, the technique of Patent Document 1 can work only on the roof, and in a building with a narrow fence on the lower floor, it is not possible to stretch a master rope on that fence, so a narrow fence It was necessary to assemble a separate scaffold when working on the top.
[0008]
Moreover, in the technique of patent document 2, there was a problem that a wire rope could be stretched only in the place with the opening part of a concrete foundation, and the freedom degree of a work range was not acquired. In addition, complicatedly configured end connectors and interval holders are separately required, and the installation work thereof is troublesome. Similarly to Patent Document 1, work can be performed only on the roof, and in a building with a narrow fence on the lower floor, a master rope cannot be laid on the fence, so when working on a narrow fence. It was necessary to build a separate scaffold.
[0009]
The present invention solves the above-mentioned problems, and the object of the present invention is to be able to install the building at high altitude, which can be easily installed in a short time with a simple configuration, and the building high-altitude work can be safely performed over a wide area. It is intended to provide a safe structure.
[0010]
[Means for Solving the Problems]
Safety structures aerial building according to the present invention for achieving the above object, a plurality of first linear member to be suspended on the outer periphery of該建was spanned directly on the roof part or roof part of the building Squeezing the second linear member and the second linear member, which are engaged with the engaging portions provided in the plurality of first linear members and wound around the outer periphery of the building in a substantially horizontal direction. And a fastening member to be fastened.
[0011]
According to the above configuration, a plurality of first linear members are suspended from the outer periphery of the building. And a 2nd linear member is engaged with the engaging part provided in the some 1st linear member, and it winds in the substantially horizontal direction on the outer periphery of a building, squeezes down and fastens with a fastening member. By fastening the operator's safety belt to the second linear member wound around the building in a substantially horizontal direction, for example, it is safe to work on the fence in a building with a narrow fence on the lower floor. I can do it.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
As an example of the safety structure for high-altitude work of a building according to the present invention, an embodiment when applied to a two-story existing house having a rooftop of a flat roof will be specifically described. Figure 1 is a perspective view showing the construction process of a safety structure of aerial building as a reference example, FIG. 2 is a sectional explanatory view showing a mounting structure of the support fittings, FIG. 3 for mounting the support hardware on the roof of a building FIG. 4A to FIG. 4C are perspective explanatory views showing examples of supporting hardware attached to the roof of the building, and FIGS. 5 to 7 attach the supporting hardware to the roof of the building. FIG. 8 is a diagram showing a state, and FIG. 8 is a diagram showing a configuration of each member constituting a safety structure for high-rise work of a building according to the present invention.
[0013]
First, description will be given of a configuration of the safety structure of aerial building as a reference example with reference to FIGS. In FIG. 1, a relatively wide veranda 15 and a narrow eave 16 are installed on the lower floor of a two-story existing building A having a flat rooftop rooftop 1. For example, a tarpaulin 16 waterproof sheet, etc. work of the safety structure of the aerial on top of the narrow eaves 16 by use of the building to re-covering work or the like also are those that can be safely.
[0014]
When constructing the safety structure for the high-altitude work of the building of this reference example , first, as shown in FIG. 1 (a), the rooftop 1 of the flat roof with a ladder 17a hung on the rooftop 1 of the existing building A The support hardware 6 is installed at a predetermined position on the rooftop 1.
[0015]
As shown in FIGS. 2 and 3, the roof 1 of the existing building A in this reference example is a lightweight cellular concrete panel (hereinafter referred to as “ALC panel”) 3 on an upper flange 2a of a steel beam 2 made of H-shaped steel. Is placed, the heat insulating material 4 is placed on the top, and the waterproof sheet 5 is further laid on the top.
[0016]
On the rooftop 1 of such an existing building A, there is no handrail because it is not assumed that the rooftop is used at the design stage, and consideration is given to preparing for future maintenance work by attaching support hardware in advance. Absent. However, when repairing, inspecting, cleaning, etc. of the waterproof sheet 5 etc., it takes time and cost to build a scaffold or the like on the outer periphery of the building every time it is operated, so in this reference example , the support hardware as shown in FIG. 6 is configured to be easily retrofitted to the rooftop 1 of the existing building A.
[0017]
At the time of building design, a drawing describing the arrangement position of the steel beam 2 called a beam plan is created, and the arrangement position of the steel beam 2 on the rooftop 1 of the existing building A is specified based on this beam plan. .
[0018]
The position of the upper flange 2a of the steel beam 2 is a protrusion provided around the rooftop 1 in order to receive the rainwater that has fallen on the root of the rooftop 1 and the rainwater that has fallen on the rooftop 1 and guide it to the drain outlet. It is possible to easily specify a part or the like as a starting point.
[0019]
Then, as shown in FIG. 3, the position of the upper flange 2a of the steel beam 2 is specified from the top of the waterproof sheet 5 based on the starting point and the beam plan, and the installation position of the support hardware 6 is determined. decide.
[0020]
As shown in FIG. 4A, the support metal 6 of this reference example has a bottom plate 6b having through holes 6b1 formed at eight locations at the lower end of a cylindrical member 6a having a screw hole 6a1 at the top end. As shown in FIG. 4B, the cap member 6c is screwed into the screw hole 6a1 at the top end of the columnar member 6a so as to prevent dust and rainwater from entering the screw hole 6a1. I can do it. A bolt portion that can be screwed into the screw hole 6a1 is provided inside the cap member 6c.
[0021]
Further, as shown in FIG. 4C, by attaching an annular member 6d such as an O-bolt to the screw hole 6a1 at the top end of the columnar member 6a by screwing, as shown in FIG. The master rope 7 can be fastened to the annular member 6d, and the safety belt 32 of the worker can be fastened to the master rope 7. The waterproof sheet 5 on the rooftop 1 and the like can be used without forming a scaffold or the like on the outer periphery of the building. Work such as refurbishment, inspection and cleaning can be done safely.
[0022]
Next, the procedure for attaching the support hardware 6 to the rooftop 1 of the existing building A by the roof support metal attachment method as a reference example will be described with reference to FIGS. Based on the beam profile, the position of the upper flange 2a of the steel beam 2 is determined from the top of the waterproof sheet 5 as shown in FIG. 3, and the center of the upper flange 2a is determined, as shown in FIG. On the waterproof sheet 5 at the position where the support metal 6 is to be attached, the ink marking 8a is performed in a 300 mm × 400 mm square shape, for example. Here, the width of the upper flange 2a of the steel beam 2 is 100 mm, and the bottom plate 6b of the support metal 6 is 190 mm long and 100 mm wide.
[0023]
Then, as shown in FIG. 5 (b), the three sides of the waterproof sheet 5 with the inking 8a are cut with a cutter knife or the like, and the cut waterproof sheet 5a is rolled up in the direction of one side to connect the heat insulating material 4 To expose. On the exposed heat insulating material 4, for example, a blacking out 8b is performed in a 200 mm × 300 mm square shape.
[0024]
Then, as shown in FIG. 5 (c), the four sides of the heat insulating material 4 that have been marked 8b and the center thereof are cut with a cutter knife or the like, and the cut heat insulating material 4a is removed to expose the ALC panel 3. Let As shown in FIG. 6A, the position of the upper flange 2a of the steel beam 2 is confirmed while making a hole with a cone 9 from the exposed ALC panel 3, and the mounting position of the bottom plate 6b of the support metal 6 is determined. To do.
[0025]
Then, as shown in FIG. 6 (b), the bottom plate 6b of the support metal 6 is placed at a position corresponding to the upper flange 2a of the steel beam 2, and the fixing member and the fixing member 6 are formed from a desired through hole 6b1 formed in the bottom plate 6b. The self-drilling screw 10 is inserted, and the ALC panel 3 and the upper flange 2a of the steel beam 2 are penetrated and fixed.
[0026]
A total of 8 through holes 6b1 are formed on the bottom plate 6b of the support metal 6 on the left and right sides, and there are holes in the upper flange 2a of the steel beam 2 where the self-drilling screw 10 is to be fixed. When another member is attached and the self-drilling screw 10 cannot be driven, the self-drilling screw 10 can be driven and fixed to the upper flange 2a of the steel beam 2 using another through hole 6b1.
[0027]
Accordingly, the self-drilling screw 10 may be driven using the four through holes 6b1 in total, two on the left and right sides of the through hole 6b1, and the other four through holes 6b1 are provided as spares. If necessary, the self-drilling screw 10 may be driven and fixed using all the through holes 6b1.
[0028]
In addition, in this reference example , an example in which the through hole 6b1 is formed in advance in the bottom plate 6b has been described. However, the bottom plate 6b is fixed to the columnar member 6a by using the support metal plate 6b in which the through plate 6b1 is not formed. A self-drilling screw 10 can be driven from an appropriate position 6b, and the ALC panel 3 and the upper flange 2a of the steel beam 2 can be penetrated and fixed.
[0029]
After driving the self-drilling screw 10, as shown in FIG. 6C, the tightening state of the screw of the self-drilling screw 10 is confirmed using a wrench 11. If the self-drilling screw 10 is loose, retighten with the wrench 11. .
[0030]
Next, as shown in FIG. 7 (a), the heat insulating material 4a removed in FIG. 5 (c) is cut in accordance with the shape of the columnar member 6a, the bottom plate 6b and the head of the self-drilling screw 10 of the support metal 6, As shown in FIG. 7B, the heat insulating material 4a is placed on the bottom plate 6b and the ALC panel 3 so that the cylindrical member 6a of the support metal 6 is exposed and fitted back.
[0031]
Next, as shown in FIG. 7 (c), a portion corresponding to the columnar member 6a of the support metal 6 of the waterproof sheet 5a cut and wound up is cut into a circular shape and is continuously extended to the cutting edge. The waterproof sheet 5a is laid on the heat insulating materials 4 and 4a so that the cylindrical member 6a is exposed. The waterproof sheet 12 is attached to the three sides of the waterproof sheet 5a and a central cut portion extended from the circular portion, and the waterproof sheets 5, 5a and the waterproof sheet 12 are welded or fused to be waterproofed.
[0032]
In this reference example , three sides were cut while leaving one side of the waterproof sheet 5a. However, after the four sides of the waterproof sheet 5a were cut and removed, the support hardware 6 was attached in the same manner as described above, and the heat insulating material. After fitting back 4a, a portion corresponding to the cylindrical member 6a of the support metal 6 of the removed waterproof sheet 5a is cut into a circular shape, and the waterproof sheet 5a is formed on the heat insulating materials 4 and 4a so that the cylindrical member 6a is exposed. May be laid, and the waterproof sheet 12 may be attached to the cut portions of the four sides of the waterproof sheet 5a, and the waterproof sheets 5, 5a and the waterproof sheet 12 may be welded or fused together to be waterproofed.
[0033]
As shown in FIG. 2, a hat-shaped waterproof sheet 13 is fitted into the columnar member 6a of the support metal 6, and the flange 13a of the waterproof sheet 13 and the waterproof sheet 5a are welded or fused to be waterproofed. In addition, the upper end portion of the waterproof sheet 13 is fastened with a stainless steel band 14 and sealed between the waterproof sheet 13 and the columnar member 6a for waterproofing.
[0034]
According to the above configuration, it is not necessary to cut out the ALC panel 3 placed on the upper flange 2a of the steel beam 2 on the roof 1 of the existing building A, the ALC panel 3 can be maintained, and noise and lower floors can be maintained. There is no risk of foreign matter falling on the surface.
[0035]
Further, the support metal is inserted through the ALC panel 3 by driving through the bottom plate 6b, the ALC panel 3, and the upper flange 2a of the steel beam 2 from the bottom plate 6b side of the support metal 6 by a fixing member such as a self-drill screw 10 or the like. 6 can be easily fixed to the steel beam 2.
[0036]
As described above, as shown in FIG. 1A, after two sets of supporting hardware 6 are installed at predetermined positions on the roof 1 of the existing building A, as shown in FIG. A linear member 20 having an annular portion 50 provided at both ends of the member main body 51, and an adjuster 19 that is provided with an annular portion 50 at one end of the linear member main body 51 and serving as a fastening member are attached to the other end. A prepared linear member 21 and a carabiner 18 serving as an engaging member shown in FIG. 8B are prepared.
[0037]
Then, the carabiner 18 is engaged with the annular portion 50 of each linear member 20, 21, the carabiner 18 is engaged with the annular member 6 d of the two sets of support hardware 6, and the annular member of one linear member 20 is further engaged. The carabiner 18 attached to the portion 50 is engaged with the annular portion 19a of the adjuster 19 attached to one end of the other linear member 21, and the linear member 21 attached to the adjuster 19 is pulled to form two sets. The linear members 20 and 21 are stretched between the support hardware 6 (see FIG. 1A).
[0038]
Next, as shown in FIG. 1B, the linear member 22 provided with the annular portion 50 at both ends of the linear member main body 51, and the annular portion 50 provided at one end of the linear member main body 51, In addition, a linear member 23 to which an adjuster 19 serving as a fastening member is attached at the other end is prepared, the carabiner 18 is engaged with each annular portion 50, and the annular portion 50 of one linear member 22 is further engaged. The carabiner 18 attached to the one is engaged with the annular portion 19a of the adjuster 19 attached to one end of the other linear member 23, and the connected linear members 22, 23 are stretched between the two sets of support hardware 6. The linear members 20 and 21 provided are entangled and fastened to the approximate center.
[0039]
Further, four linear members 24 to 27 each having an annular portion 50 provided at both ends of the linear member main body 51 are prepared, and the carabiner 18 engaged with the annular portion 50 at one end is annularly formed between the two sets of support hardware 6. Each member 6d is engaged and fastened.
[0040]
Furthermore, the linear member 28 in which the annular portion 50 is provided at both ends of the linear member main body 51, and the adjustment in which the annular portion 50 is provided at one end of the linear member main body 51 and becomes the fastening member at the other end. And a carabiner 18 attached to the annular portion 50 of one of the linear members 28, and a carabiner 18 attached to the annular portion 50 of one of the linear members 28. Engage with the annular portion 19a of the adjuster 19 attached to one end of the shaped member 29, and engage and fasten one carabiner 18 of the connected linear members 28, 29 with the annular member 6d of the support hardware 6. .
[0041]
Next, as shown in FIG. 1 (c), the outer peripheral length of the roof 1a of the rooftop 1 of the existing building A is longer, the annular member 50 is provided at one end of the linear member body 51, and the other end. A linear member 30 to which a regulator 19 as a fastening member is attached is prepared, and engagement is provided at each end of a plurality of linear members 22 to 27 and 29 that are later hung on the outer periphery of the existing building A The carabiner 18 that is later wound in a substantially horizontal direction around the outer periphery of the existing building A is engaged with the carabiner 18, and the carabiner 18 attached to one end of the linear member 23 is connected to the other end. It engages with the annular portion 19a of the adjuster 19 attached to the ring and is connected in an annular shape.
[0042]
After that, the linear members 20 and 21 stretched between the two sets of support hardware 6 are used as the master rope, and the hooks at the end of the safety belt 32 of the worker 31 are engaged to ensure the safety of the work at high places. Then, as shown in FIG. 1 (c), the linear member 30 connected in a ring shape is dropped to the outside of the roof 1 a of the roof 1 of the existing building A, and the linear member engaged with the linear member 30. One end of each of the members 22 to 27 and 29 is suspended from the outer periphery of the existing building A. At this time, the linear member 30 is dropped so that the adjuster 19 for connecting the linear member 30 is disposed at a safe position on the veranda 15 on the second floor.
[0043]
Next, the operator 31 uses the ladder 17a to go down to the ground, and as shown in FIG. 1 (d), climbs to the veranda 15 on the second floor using the ladder 17b hung on the veranda 15 on the second floor. The linear member 30 attached to the adjuster 19 serving as a fastening member is pulled at a safe position of the veranda 15 to squeeze and fasten the linear member 30, and the linear member 30 is stretched.
[0044]
After that, the linear member 30 wound around the outer periphery of the existing building A in a substantially horizontal direction is used as a master rope, and the hook at the end of the safety belt 32 of the worker 31 is engaged to secure the safety at work in high places. In the secured state, it is possible to perform the replacement work and the inspection work of the waterproof sheet 12 on the relatively narrow ridge 16 on the second floor.
[0045]
In the above configuration, when a drop test was performed with a test piece weighing 75 kg fixed to the linear member 30 via the safety belt 32, the test piece maintained safely without falling on the ground surface. The linear members 20 to 30 and their joints were not damaged.
[0046]
In the case of a flat roof building of about 45 tsubo, it took about 4 hours to install a scaffold as in the conventional case, but in the safety structure, it could be installed in about 1 hour.
[0047]
In addition, although the said reference example demonstrated the case where the support hardware 6 as shown in FIG. 2 was applied, if other support members, such as a handrail, are installed in the existing building A, each line will be utilized using the support member. A similar safety structure can be applied by engaging the shaped member. It is also possible to add a variety of other support members and use the support members to engage the linear members to provide the same safety structure.
[0048]
Further, the present invention is not limited to the building with the land roof, it can be applied even in the building having an inclined roof. For example, a support metal can be provided on a ridge portion of an inclined roof, and a linear member can be stretched on the same as described above. Moreover, even if it is a new building, it can be configured and used in the same manner for supporting hardware and linear members during exterior construction after the scaffold is removed.
[0049]
Next, a first embodiment of the safety structure for building high-altitude work according to the present invention will be described with reference to FIG. FIG. 9 is a perspective view showing a construction procedure of the first embodiment of the safety structure for building high-altitude work according to the present invention. In addition, what was comprised similarly to the said reference example attaches | subjects the same code | symbol, and abbreviate | omits description.
[0050]
In the present embodiment, the safety structure can be constructed without attaching the support hardware 6 to the roof 1 of the existing building A. When constructing the safety structure for the high altitude work of the building according to the present embodiment, first, as shown in FIGS. 9A to 9C, a ladder 17a is hung on the rooftop 1 of the existing building A so as to be flat. Ascending to the rooftop 1 of the flat roof, longer than the outer peripheral length of the linear members 40 to 45 in which the annular portions 50 are provided at both ends of the linear member body 51, and the roof 1a of the rooftop 1 of the existing building A, and A linear member 46 provided with an annular portion 50 at one end of the linear member main body 51 and an adjuster 19 serving as a fastening member at the other end, and an engaging member shown in FIG. 8B. Carabiner 18 and prepare.
[0051]
Then, the carabiner 18 is engaged with the annular portion 50 of each of the linear members 40 to 46, and the linear members 40 to 42 are arranged in parallel at predetermined intervals in the longitudinal direction of the roof 1 of the existing building A. The linear members 43 to 45 are arranged in parallel at a predetermined interval in the short direction (see FIGS. 9A and 9B).
[0052]
And each linear member 43-45 is entangled and fastened to the linear members 40-42 orthogonal to this, and it is provided in each both ends of the several linear member 40-45 hung down by the outer periphery of the existing building A later. The carabiner 18 to be engaged later is engaged with a linear member 46 wound around the outer periphery of the existing building A in a substantially horizontal direction, and the carabiner 18 attached to one end of the linear member 46 is It engages with the annular portion 19a of the adjuster 19 attached to the other end portion and is connected in an annular shape.
[0053]
Thereafter, the worker 31 drops the linear member 46 connected in a ring shape to the outside of the roof 1a of the rooftop 1 of the existing building A as shown in FIG. Both ends of the linear members 40 to 45 engaged with the member 46 are suspended from the outer periphery of the existing building A, respectively. At this time, the linear members 40 to 45 are respectively hung on the outer periphery of the existing building A in a state of being stretched over the rooftop 1 of the existing building A. Further, the linear member 46 is dropped so that the adjuster 19 for connecting the linear member 46 is disposed at a safe position on the veranda 15 on the second floor.
[0054]
Next, the operator 31 uses the ladder 17a to go down to the ground, and as shown in FIG. 9 (d), climbs the veranda 15 on the second floor using the ladder 17b hung on the veranda 15 on the second floor. The linear member 46 attached to the adjuster 19 serving as a fastening member is pulled at a safe position of the veranda 15 to squeeze and fasten the linear member 46, and the linear member 46 is stretched.
[0055]
After that, the linear member 46 wound around the outer periphery of the existing building A in a substantially horizontal direction and stretched is used as a master rope, and the hook at the end of the safety belt 32 of the worker 31 is engaged to secure safety at work in high places. In the secured state, it is possible to perform the replacement work and the inspection work of the waterproof sheet 12 on the relatively narrow ridge 16 on the second floor. Other configurations are the same as those in the reference example, and the same effects can be obtained.
[0056]
In addition, in this embodiment, the structure which the operator 31 entangles and fastens the linear members 40-45 suspended on the outer periphery of the existing building A by the rooftop 1 in the state over the rooftop 1 of the existing building A, respectively. However, it may be composed of a net-like member from the beginning.
[0057]
Moreover, although this example demonstrated the example applied to the existing building A which has the roof top 1 of a flat flat roof, it can also apply to the existing building A which has an inclined roof part, and in that case, net-like The linear member 46 is engaged with the engaging portion provided at the outer peripheral end of the member, and the carabiner 18 attached to one end of the linear member 46 is connected to the annular shape of the adjuster 19 attached to the other end. In a state where the ring 19 is engaged and engaged with the portion 19a, a rope or the like is pulled up from one side of the inclined roof portion, and the net-like member is stretched over the inclined roof portion of the existing building A. The linear members 46 are dropped so that the adjusters 19 for connecting the linear members 46 are arranged at safe positions on the veranda 15 on the second floor.
[0058]
As described above, the worker 31 climbs the veranda 15 on the second floor using the ladder 17b hung on the veranda 15 on the second floor, and enters the adjuster 19 serving as a fastening member at a safe position of the veranda 15. By pulling the attached linear member 46, the linear member 46 is squeezed and fastened, and the linear member 46 can be stretched. Moreover, even if it is a newly built building, a linear member can be similarly comprised and utilized in the case of exterior construction after scaffold removal.
[0059]
Before you facilities embodiment, subjected to curing with intervening truncated and various cushioning material left over the tarpaulin linear member 30 and 46 interferes sites such as external corner corners and troughs of existing buildings A I can do it. Each of the linear members 20 to 30 and 40 to 46 is preferably a rope or the like in consideration of protection of the outer wall or the like of the existing building A, but can also be applied to a wire or the like. In this case, the cushioning material can be applied to the existing building A or the cushioning material can be fitted to the outer periphery of the wire.
[0060]
The linear members 30 and 46 wound around the outer periphery of the existing building A in a substantially horizontal direction are annular portions of the plurality of linear members 22 to 27, 29, and 40 to 45 that are suspended from the outer periphery of the existing building A. It is also possible to engage with 50 as an engaging portion.
[0061]
The front in you facilities embodiment describes an example of the case of application to existing buildings A consisting of two-story house, the apartment such as homes and office buildings or apartments having two floors or more upper floors It can also be applied to the existing building A.
[0062]
【The invention's effect】
Since the present invention has the above-described configuration and operation, it is possible to provide a safe structure for high-altitude work of a building that can be easily installed in a short time with a simple configuration and can safely perform high-level work on a building over a wide range. Can be provided.
[0063]
That is, according to the first aspect of the present invention, a plurality of the first linear members are suspended from the outer periphery of the building. And a 2nd linear member is engaged with the engaging part provided in the some 1st linear member, and it winds in the substantially horizontal direction on the outer periphery of a building, squeezes down and fastens with a fastening member. By fastening the operator's safety belt to the second linear member wound around the building in a substantially horizontal direction, for example, it is safe to work on the fence in a building with a narrow fence on the lower floor. I can do it.
[Brief description of the drawings]
1 is a perspective view of a facilities Engineering procedure of safety structures aerial building as a reference example.
FIG. 2 is an explanatory cross-sectional view showing a mounting structure of a support hardware.
FIG. 3 is an explanatory plan view showing an example of an arrangement configuration when attaching a support hardware to the roof of a building.
FIGS. 4A to 4C are perspective explanatory views showing an example of a support hardware attached to the roof of a building.
FIG. 5 is a diagram showing a state in which a support hardware is attached to the roof of a building.
FIG. 6 is a diagram illustrating a state in which a support hardware is attached to the roof of the building.
FIG. 7 is a diagram showing a state in which a support hardware is attached to the roof of a building.
FIG. 8 is a view showing a configuration of each member constituting a safety structure for high-rise work of a building according to the present invention.
FIG. 9 is a perspective view showing a construction procedure of the first embodiment of the safety structure for building high-altitude work according to the present invention.
[Explanation of symbols]
A ... Existing building 1 ... Rooftop 1a ... Saddle 2 ... Steel beam 2a ... Upper flange 3 ... ALC panel 4, 4a ... Insulation material 5, 5a ... Waterproof sheet 6 ... Support hardware 6a ... Cylindrical member
6a1 ... Screw hole 6b ... Bottom plate
6b1 ... through hole 6c ... cap member 6d ... annular member 7 ... master rope 8a, 8b ... inking 9 ... cone
10 ... Self-drill screw
11 ... Wrench
12 ... tarpaulin
13 ... Hat type tarpaulin
13a ... Buttocks
14 ... stainless steel band
15 ... Veranda
16 ... 庇
17a, 17b ... ladder
18 ... Carabiner
19 ... Adjuster
19a ... Annular part
20-30 ... Linear member
31 ... Worker
32 ... Safety belt
40-46… Linear member
50 ... annular part
51 ... Linear member body

Claims (1)

It is a safety structure for working at high places in buildings,
A plurality of first linear members that hang directly on the roof or roof of the building and hang on the outer periphery of the building;
A second linear member that is engaged with an engaging portion provided in the plurality of first linear members and wound around the outer periphery of the building in a substantially horizontal direction;
A fastening member that squeezes and fastens the second linear member;
A safety structure for high-altitude work of a building characterized by having

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