JP5378014B2 - Slate roof scaffolding board - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enhance working efficiency by enabling a worker to easily perform the work on a slate roof. <P>SOLUTION: A scaffold board 1 for the slate roof having a scaffold formed on the slate roof R shingled with a slate S includes a portion 2 for forming the scaffold for the worker to walk, and a base portion 3 which is provided on below the portion 2 and placed on the slate roof R. The base portion 3 sets an angle of inclination of the portion 2 to be smaller in value than an angle of inclination of the slate roof R. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a scaffold plate for a slate roof, and more particularly to a scaffold plate for a slate roof that improves workability such as repair, painting, inspection, and cleaning of the slate roof.

Conventionally, roofs of factories, warehouses, station platforms, and the like are often made of slate roofs that are slatted by slate. On such a slate-roofed roof, it is necessary for an operator to walk on the roof for slate replacement work, inspection / cleaning of the roof and fence, painting, and the like. Slat roof scaffolding plates are used as disclosed in US Pat.
JP 2007-239415 A

  By the way, in the case where an operator walks on a slate roof with a tool necessary for construction or a heavy member necessary for repairing a roof, or when the worker has to work in a situation where a strong wind blows, Patent Document 1 When the scaffolding plate is placed on the slate roof, it is tilted by the same inclination angle as that of the slate roof, so that the operator easily loses the balance when working on the slate roof. Therefore, it is difficult for an operator to work on the slate roof, and work efficiency is reduced.

  This invention is made in view of such a point, and it exists in improving work efficiency by making an operator work easily on a slate roof.

To achieve the above object, the first aspect of the invention, a slate roof scaffold plate forming a scaffold slate roofs slated, the scaffolding unit for walking worker, the scaffolding unit provided on the lower side of a base portion placed on the slate roof, the base portion has a corrugated portion extending in correspondence with the wave shape of the slate roofs, the inclination of the scaffolding unit an angle smaller Kusuru so than the inclination angle of the slate roofs, or is formed to the horizontal the scaffolding unit, the portion projecting below the wave-shaped section, the inclination direction of the slate roof A through-hole penetrating the through-hole is formed, and a cutout portion communicating with the through-hole is formed at the tip of the portion projecting downward from the corrugated portion .

According to this structure, it becomes difficult for an operator to lose balance on the slate roof. In addition , when it rains, rainwater that flows from above the scaffolding plate on the slate roof flows through the through-hole and below the scaffolding plate, and is drained by the scaffolding plate. Will not accumulate. Furthermore , rainwater flowing through the through hole is drained out of the through hole by the notch, and is difficult to accumulate in the through hole.

In the second invention, in the first invention, and a configuration in which the base portion is formed of a non-electrical conductivity of the material.

  According to this structure, it becomes a scaffold board which an electric current does not pass.

In a third aspect, in the invention of the first or 2, and a configuration in which the base portion is formed of a foam material closed cell.

  According to this structure, it becomes a scaffold board which becomes difficult to absorb rain water and to which dust does not enter inside easily.

According to the fourth invention, in any one invention of the first three, the base portion is made of a cushioning material, the scaffolding unit has a structure which is harder material than the base unit.

  According to this configuration, when the worker works on the scaffolding plate, the cushion material is soft, so the cushion material is deformed along the slate roof, and the contact surface between the base portion and the slate roof becomes wide. Therefore, the load of the worker who works on the scaffold board is distributed to the slate roof. Further, since the scaffold forming part is made of a material harder than the base part, even if the worker walks on the scaffold forming part, it is easy to work without bending.

According to the first invention, the worker can easily work on the slate roof, and the work efficiency of the worker can be enhanced. Further , since rainwater flowing on the slate roof passes through the through hole and flows downward from the scaffold plate, the rainwater can be prevented from being accumulated on the slate roof by the scaffold plate. Accordingly, it is possible to prevent the scaffold board placed on the slate roof from being washed away by rainwater during rainy weather. Furthermore , since the rainwater does not easily accumulate in the through hole due to the cutout portion, the weight of the scaffold board is not easily increased by the rainwater, and the operator can easily transport the scaffold board.

According to the second invention, since the scaffolding plate does not pass current, even if there is a lightning strike on the slate roof, it is possible to prevent an electric shock of an operator working on the scaffolding plate.

According to the third aspect of the invention, the weight of the scaffolding plate is not likely to increase even when it is raining or in a place where there is a lot of dust, and the operator can easily transport the scaffolding plate. Moreover, since dust does not enter the inside of the scaffolding plate, the scaffolding plate can be prevented from being deteriorated and the durability can be improved.

According to the fourth aspect of the invention, it is possible to prevent the operator's load from being concentrated locally on the slate roof by the cushion material, and to prevent the slate roof from being damaged by the operator. In addition, since the worker can easily work on the slate roof by the scaffold forming portion, work efficiency can be further enhanced.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature, and is not intended to limit the present invention, its application, or its use.

  FIG. 1 shows a state in which a scaffold plate 1 for a slate roof according to the present invention is placed on a slate roof R. The slate roof scaffold plate 1 is composed of a plate-like scaffold formation portion 2 that forms an operator's scaffold on the slate roof R, and a base portion 3 that is integrally joined to the bottom of the scaffold formation portion 2. Has been.

  Before describing the structure of the scaffold plate 1 for the slate roof, the structure of the slate roof R will be described. As shown in FIG. 6, the slate roof R includes an aggregate Fr of a steel structure constituting the main building, a slate S disposed on the upper part of the aggregate Fr, and a bolt Bo for attaching the slate S to the aggregate Fr. And a nut Nu. A plurality of aggregates Fr are arranged at predetermined intervals. At the base portion of the bolt Bo, a hook portion that is caught by the aggregate Fr is formed. The bolt Bo extends straight from the flange portion in a direction penetrating the slate S, and a tip portion penetrates the slate S and protrudes from the upper surface of the slate S. A nut Nu is screwed into the tip of the bolt Bo.

  As shown in FIG. 1, the scaffold formation part 2 has comprised the plate shape extended along the direction where the waveform of the slate S continues. As shown in FIG. 2, the scaffold forming portion 2 has a rectangular shape in plan view, the longitudinal dimension is set to about 1200 mm, and the width dimension is set to about 300 mm. As shown in FIG. 4, the scaffold forming portion 2 includes a central member 21, plate-like upper and lower members 22 and 23 formed so as to sandwich the central member 21 in the vertical direction, and the scaffold forming portion 2. The upper reinforcing rib 24 and the lower reinforcing rib 25 are reinforced, so that the worker can easily work without bending even if the worker walks on the scaffold forming portion 2 while holding a heavy object such as a tool. It has become.

  The center material 21 is made of, for example, a foam material such as extruded polystyrene used for building materials. As shown in FIG. 4, the center material 21 is recessed downward from the upper surface of the center material 21 and extends straight in the longitudinal direction. A pair of 21a is formed symmetrically about the center in the width direction. The central member 21 is formed with a pair of lower concave groove portions 21b that are recessed upward from the lower surface of the central member 21 and extend straight in the longitudinal direction symmetrically about the center in the width direction. And each of the said lower side groove part 21b is located in the width direction outer side rather than the upper side groove part 21a. Further, as shown in FIG. 6, the central member 21 has three through holes 21 c extending in the longitudinal direction and penetrating in the direction orthogonal to the slate S surface at the approximate center in the width direction. Yes. That is, the through hole 21c penetrates in the central axis direction of the bolt Bo.

  The upper member 22 and the lower member 23 are made of, for example, fiber reinforced plastic (FRP) or the like, have a flat plate shape and extend along the upper and lower surfaces of the central member 21 as shown in FIG. Yes. Although not shown, on the upper surface of the upper member 22, a thin layer is formed in which sand is scattered and bonded to prevent the operator from slipping. The upper reinforcing rib 24 and the lower reinforcing rib 25 are flat reinforcing members made of, for example, fiber reinforced plastic. The upper reinforcing rib 24 is adapted to fit into the upper concave groove portion 21a formed in the central member 21, and the lower reinforcing rib 25 is adapted to fit into the lower concave groove portion 21b. In the upper material 22 and the lower material 23, a through hole 22c and a through hole 23c are formed so as to correspond to the through hole 21c of the central member 21, respectively. Then, the upper reinforcing rib 24 is fitted into the upper concave groove portion 21 a of the central member 21, and the lower reinforcing rib 25 is fitted into the lower concave groove portion 21 b of the central member 21. The lower member 23 is bonded to the lower surface of the central member 21 with an adhesive or the like. Thereby, the center material 21, the upper material 22, the lower material 23, the upper reinforcing rib 24, and the lower reinforcing rib 25 are integrated, and the scaffold forming portion 2 is formed.

  As shown in FIG. 1, the base portion 3 is a cushion material formed of a closed cell foam material such as foamed polyethylene, and a corrugated portion 31 extending corresponding to the corrugated shape of the slate S, and the corrugated shape. The main body part 32 which is located above the part 31 and whose upper surface is bonded to the scaffold forming part 2 is provided. Here, the closed cells refer to those having a large number of independent bubbles in the foam material, and are characterized by extremely low water absorption and excellent impact absorbability, workability, and buoyancy. For example, it is suitable to use Miraplank-E (registered trademark) manufactured by JSP. The base part 3 uses a foam material having a foaming ratio of 15 times. As shown in FIG. 6, the base part 3 is formed with a through hole 3c that penetrates in a direction orthogonal to the slate S surface at a position corresponding to the through holes 21c, 22c, and 23c of the scaffold forming part 2. . That is, the through hole 3c penetrates in the central axis direction of the bolt Bo. And when the scaffold formation part 2 and the base part 3 are joined, it penetrates in the central-axis direction of the volt | bolt Bo by the through-holes 21c, 22c, 23c of the scaffold formation part 2, and the through-hole 3c of the base part 3. A through hole 1a is formed. When the scaffold plate 1 is placed on the slate roof R, the base portion 3 of the scaffold plate 1 and the bolt Bo and nut are placed by placing the bolt Bo and nut Nu in the slate roof R in the through hole 1a. Contact with Nu can be avoided.

  The corrugated portion 31 is shaped such that substantially the entire lower surface is in contact with the slate S in a state where the scaffold plate 1 is placed on the slate S. A through-hole 31 a that penetrates in a direction along the inclination of the slate roof R is formed in a portion that projects downward from the wave-shaped portion 31. The cross-sectional shape of this through-hole 31a is substantially triangular so that the width in the direction along the wave shape of the slate roof R becomes narrower as it goes to the front end in the protruding direction. Further, a linear notch portion 31 b that communicates with the through-hole 31 a over the entire direction along the inclination of the slate roof R is formed at the tip portion that protrudes below the corrugated portion 31. The through hole 31a and the notch 31b are formed by cutting. The through hole 31a and the notch 31b are formed as follows. First, using a heating wire that generates heat until the base portion 3 is melted, the heating wire is cut into the corrugated portion 31 from a tip portion protruding below the corrugated portion 31. And if a heating wire is moved so that it may correspond to the shape of the through-hole 31a and the notch 31b, the inner part of the locus | trajectory of a heating wire will be isolate | separated from another part. By removing the separated portion, the through hole 31a and the cutout portion 31b can be obtained. Since the corrugated portion 31 is softened by forming the through hole 31a and the cutout portion 31b, the corrugated portion 31 is used when an operator works on the scaffolding plate 1 placed on the slate roof R. Becomes easy to deform along the wave shape of the slate roof R. Further, by providing the through-hole 31a, the operator can put his finger into the through-hole 31a. This makes it easy to grasp the scaffold forming portion 2, so that the scaffold plate 1 can be easily conveyed. It has become.

  As shown in FIG. 4, in this embodiment, the cross-sectional shape of the main body 32 is set so that the scaffold forming portion 2 is horizontal with respect to the inclination angle of the slate roof R of about 16.7 degrees. That is, the main body portion 32 extends along the direction in which the wave shape of the slate S continues, and the cross-sectional shape of the main body portion 32 is shorter than the height dimension positioned on the lower side of the slate roof R. By doing so, the scaffold formation part 2 becomes horizontal. That is, by changing the cross-sectional shape of the main body portion 32, the inclination angle of the scaffold forming portion 2 can be made smaller than the inclination angle of the slate roof R.

  Note that the bottom surface of the corrugated portion 31 does not have to be exactly the same shape as the corrugated shape of the slate S, as long as it corresponds. That is, when the worker goes up to the scaffold forming portion 2, the wave shape portion 31 of the base portion 3 is deformed so as to be in surface contact with the slate S so that the load of the worker is not locally applied. That's fine. Therefore, for example, the height of the protruding portion of the corrugated portion 31 may be different from the depth of the depressed portion of the slate S in a state where the scaffolding plate 1 is placed on the slate roof R. Fine irregularities and grooves may be formed in the portion 31.

  Moreover, it is preferable to use the base part 3 of a gray color similar to the slate S. It may be colored by painting or may be produced using a gray foam material.

  Further, the base portion 3 is a closed-cell foam material, and has a specific gravity of less than 1, so it is lighter than water. Therefore, the scaffold board 1 is light enough to float on water, and is easy for an operator to carry.

  Next, the case where the scaffold board 1 comprised as mentioned above is mounted on the slate roof R is demonstrated. When the scaffold board 1 is placed on the slate roof R, the bolt Bo and the nut Nu in the slate roof R are positioned in the through hole 1a of the scaffold board 1. Then, the scaffolding board 1 can be mounted without the base part 3, the volt | bolt Bo, and the nut Nu contacting. At this time, the scaffold formation part 2 becomes horizontal on the slate roof R by the main body part 32 of the base part 3. That is, the inclination angle of the scaffold forming unit 2 becomes zero. Therefore, since it becomes difficult for the worker to lose the balance on the slate roof R, the worker can easily work, and the working efficiency of the worker can be improved. Since the through hole 1a is positioned on the extension line of the central axis of the bolt Bo, when tightening or loosening the nut Nu, the tool is inserted into the through hole 1a from above the through hole 1a. As a result, the tool reaches the nut Nu while being smoothly guided on the inner surface of the through hole 1a. Thereby, workability | operativity of the operation | work which tightens or loosens the nut Nu improves.

  When the worker goes up on the scaffold plate 1, the base portion 3 is pressed against the slate S by the load of the worker. Thereby, even if the surface of the slate S is uneven, the lower surface of the corrugated portion 31 of the base portion 3 is deformed so as to follow the shape of the surface of the slate S, and a wide range of the lower surface of the corrugated portion 31 is slate. Adheres to the surface of S. Therefore, the operator's load does not act locally and the scaffold plate 1 is prevented from slipping. In addition, for example, when the scaffold plate 1 is about to move in the inclination direction of the slate roof R, the bolt Bo and the nut Nu are positioned in the through hole 3c, so that the movement of the scaffold plate 1 is the bolt Bo and the nut. Blocked by Nu.

  As described above, according to the slate roof scaffolding plate 1 according to the present invention, when the scaffolding plate 1 is placed on the slate roof R, the base portion 3 makes the scaffold forming portion 2 horizontal. Therefore, the operator is less likely to lose balance on the slate roof R, and the operator can easily perform the operation, thereby improving the operator's work efficiency. In addition, the scaffold formation part 2 does not need to be horizontal, may be smaller than the inclination angle of the slate roof R of about 16.7 degrees, and may incline at a predetermined angle as shown below. The predetermined angle is preferably within 5 degrees. This is because the scaffold plate 1 is actually placed on the slate roof R and experimented by a plurality of workers. As a result, when the inclination angle is larger than 5 degrees, the operator feels that there is an inclination and is difficult to balance. Is a numerical value set from the obtained results, and more preferably, the inclination angle is within 3 degrees.

  In addition, the corrugated portion 31 of the base portion 3 is formed with a through hole 31a extending in a direction along the slate S at a portion protruding downward, so that even if it rains, the scaffold plate 1 Rainwater flowing from above passes through the through hole 31a and flows below the scaffold plate 1. Therefore, it can suppress that rainwater accumulates on the slate roof R with the scaffold board 1, and can prevent that the scaffold board 1 is washed away by rainwater.

  Moreover, since the notch part 31b connected to the through-hole 31a is formed in the front-end | tip part which protrudes below the waveform part 31, rain water is drained from the through-hole 31a by the notch part 31b, and the inside of the through-hole 31a Rainwater is difficult to collect. Therefore, the scaffolding board 1 is not likely to be heavy due to rainwater, and the operator can easily transport the scaffolding board 1.

  Moreover, since the scaffold formation part 2 is formed with extruded polystyrene and FRP, and the base part 3 is formed with foamed polyethylene, the scaffold board 1 does not pass an electric current. Therefore, even if there is a lightning strike on the slate roof R, it is possible to prevent an electric shock of an operator working on the scaffolding board 1. Moreover, since the metal plate is not provided in the scaffold board 1, even if it gets wet with rain water, deterioration by generation | occurrence | production of rust does not arise.

  Moreover, since the base part 3 is formed of closed-cell foamed polyethylene, it is difficult to absorb rainwater and dust is difficult to enter inside. Therefore, the scaffold board 1 is not easily heavy even in rainy weather or in a place with a lot of dust, and the operator can easily transport the scaffold board 1. Moreover, since dust does not enter the inside of the scaffold board 1, the degradation of the scaffold board 1 can be prevented, and durability can be improved.

  Further, since the base part 3 is made of foamed polyethylene and the scaffold forming part 2 is made of extruded polystyrene and FRP which are harder than the base part 3, when the operator goes up to the scaffold plate 1, it is made of a cushion material. The base part 3 is deformed so as to follow the wave shape of the slate roof R, and the contact surface between the base part 3 and the slate roof R increases. Therefore, the load of the operator can be prevented from acting locally on the slate roof R. Moreover, since the scaffold formation part 2 is harder than the base part 3, an operator becomes easy to work on the slate roof R, and can improve work efficiency.

  The present invention is suitable as a scaffold plate used in a slate roof that improves workability such as repair, painting, inspection, and cleaning of the slate roof.

It is the perspective view which showed the state which mounted the scaffold board for slate roofs on the slate roof. It is a top view of the scaffold board for slate roofs. It is a front view of the scaffold board for slate roofs. It is a side view of the scaffold board for slate roofs. It is sectional drawing in the AA of FIG. It is sectional drawing in the BB line of FIG.

DESCRIPTION OF SYMBOLS 1 Slate roof scaffolding board 1a Through-hole 2 Scaffolding part 3 Base part 3c Through-hole 21 Center material 21a Upper concave groove part 21b Lower concave groove part 21c Through-hole 22 Upper material 22c Through-hole 23 Lower material 23c Through-hole 24 Upper reinforcement Rib 25 Lower reinforcing rib 31 Corrugated portion 31a Through hole 31b Notch portion 32 Body portion R Slate roof S Slate Fr Aggregate Bo Bolt Nu Nut

Claims (4)

A slate roof scaffold plate that forms a scaffold on a slate roof that has been sown with slate,
A scaffolding section for workers to walk;
Provided on the lower side of the scaffolding unit, and a base portion which is mounted on the slate roof,
The base portion has a corrugated portion extending in correspondence with the wave shape of the slate roofs, the inclination angle of the scaffolding unit on the small Kusuru so than the inclination angle of the slate roof, or, the scaffolding Formed so that the part is horizontal ,
A through-hole penetrating in the inclined direction of the slate roof is formed in a portion protruding below the wave-shaped portion,
A scaffold plate for a slate roof, wherein a cutout portion communicating with the through hole is formed at a tip of a portion projecting downward from the corrugated portion . In the slate roof scaffolding board according to claim 1 ,
A scaffold plate for a slate roof, wherein the base portion is formed of a non-conductive material. In the scaffold board for slate roof according to claim 1 or 2 ,
A scaffold plate for a slate roof, wherein the base portion is formed of a closed cell foam material. In the scaffold board for slate roofs as described in any one of Claims 1 thru | or 3 ,
The base part is made of a cushion material,
A scaffold plate for a slate roof, wherein the scaffold forming portion is made of a material harder than the base portion.

Images