JPH1181652A - Scaffold support tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffold support tool capable of securing work safety by removably fitting it to the end section of a beam at a corner section on the outer periphery of a building to support a scaffold. SOLUTION: This scaffold support tool 1 is removably fitted to the end section of one beam 8 of two beams 8, 9 perpendicularly connected with end sections together at a corner section A on the outer periphery of a building to support a scaffold 14. The scaffold support tool 1 is provided with a strut 2 removably connected with the lower end section to a hole 8d at the end section of one beam 8 and extended upward from the end section of one beam 8 and a bracket 3 fixed to the upper end section of the strut 2 in the horizontal plane slantly relative to two beams 8, 9 and extended in the horizontal direction to support the scaffold 14.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffolding support which is removably attached to an end of a beam at a corner portion of an outer periphery of a steel structure and supports a scaffold (scaffold plate).

[0002]

2. Description of the Related Art Conventionally, at the time of building a steel-framed house or the like, an external scaffold is installed with steel pipes or the like along the outer periphery of the house. This external scaffold, as is well known,
Members such as cloths and crosspieces are combined vertically and horizontally, and a scaffold is laid horizontally between adjacent crosspieces.

However, when the above-described external scaffold is used, the external scaffold located adjacent to the outer periphery of the house becomes an obstacle during the installation work of the external wall panel, and the external scaffold is attached to the external wall panel mounting position. It becomes difficult to carry and mount,
There was a problem that the installation cost of the scaffold was increased. Therefore, without using an external scaffold, a stepladder or the like is appropriately installed on a floor on the indoor side to attach an outer wall panel.

[0004]

However, as described above, when the outer wall panel is mounted from the indoor side, there are places where the operator must lean out and work on the outdoor side. Had problems with danger.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a work safety by being detachably attached to an end of a beam at a corner portion of an outer periphery of a building to support a scaffold. An object of the present invention is to provide a scaffold support that can be secured. Therefore, the scaffold support of claim 1 of the present invention is detachably attached to the end of one of the two beams that are connected so that the ends are orthogonal to each other at the corners of the outer periphery of the building. A scaffolding support attached to the scaffold and supporting the scaffold, the lower end being detachably connected to a hole at the end of the one beam and extending upward from the end of the one beam; And a bracket fixed to an upper end portion of the two beams in a direction inclined in a horizontal plane with respect to both of the two beams and extending horizontally to support the scaffold.

According to a second aspect of the present invention, there is provided the scaffold support according to the first aspect, wherein the bracket extends from the upper end of the support to both the indoor side and the outdoor side of the building. .

According to a third aspect of the present invention, there is provided the scaffolding support according to the first or second aspect, wherein the bracket has a tubular support for supporting a lower end of a handrail support for a handrail rope. It is characterized by having.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 1, the scaffold support 1 in the present embodiment generally includes a column 2 extending vertically in use and a bracket 3 fixed at a right angle to the upper end of the column 2 as a whole. It is configured to form a letter. The support 2 and the bracket 3 are each formed of a square pipe or the like. The length of the column 2 in the vertical direction is not particularly limited, but is determined according to the height of the position where the work is performed using the scaffold, and specifically, is, for example, about 1,000 to 2,000 mm. it can. The length of the bracket 3 in the horizontal direction is, for example, such that two scaffold plates 14 (see FIG. 4) described later can be placed in parallel, specifically, for example, several hundred mm.
It can be about 1,000.

Near the lower end of the column 2, a pair of upper and lower horizontal plates 4 and 5 projecting in one side in parallel with the bracket 3 are fixed at predetermined vertical intervals. The distance between the upper and lower horizontal plates 4 and 5 is H
The upper and lower flanges 8a of the beam 8 (see FIG. 5) made of shaped steel
8b is set equal to the distance between
It is about 200 mm. Hole 4a in upper horizontal plate 4
On the other hand, the lower horizontal plate 5 is integrally provided with a pin 5a projecting downward from the lower surface thereof.

The bracket 3 is fixed to the upper end of the column 2 so as to extend in one diagonal direction in the rectangular horizontal section of the column 2. That is, each side surface 2a of the support 2
And the side surface 3a of the bracket 3 form an angle of about 45 ° with each other. The bracket 3 extends to both sides from the upper end of the column 2, and cylindrical support portions 3 b and 3 c are provided integrally with the bracket 3 at both ends of the bracket 3. The distance between the upper end of the support 2 and the support 3b is
Is set to be longer than the distance between the upper end portion and the support portion 3c.

As shown in FIG. 6, one side of the bracket 3 on which the support portion 3b is located in a state where the support 2 of the main support 1 is attached to the end of the beam 8 at the corner portion of the outer periphery of the house. Extends from the support 2 to the indoor side of the house, and the other side of the bracket 3 where the support portion 3c is located extends from the support 2 to the outdoor side of the house, but the support 2 has two beams 8 and 9 in two directions. Since the width direction center lines C1 and C2 are shifted to the outdoor side, in order to be able to install the scaffold plate 14 on the indoor side and the outdoor side of the beams 8 and 9, respectively, the bracket 3 on which the support portion 3b is located is required. Is required to be longer than the other side of the bracket 3 where the support portion 3c is located.

FIG. 2 shows another support 6 used together with the present support 1 when the scaffold 14 is installed. This support 6 is used by being attached to a position other than the longitudinal end of the beam 8 or 9, and the same support 2 as the support 1,
That is, the support 2 includes the column 2 having the above-described horizontal plates 4 and 5 near the lower end, and the bracket 7 fixed to the upper end of the column 2 and extending from the upper end to both sides. Here, the side surface 7a of the bracket 7 is
The bracket 7 is fixed to the upper end of the support column 2 in a direction parallel to a and perpendicular to the other two side surfaces 2b. At both ends in the longitudinal direction of the bracket 7, a cylindrical support portion 7b is provided.
The upper end of each of the support portions 7b and 7c protrudes slightly upward from the upper surface of the bracket 7.

The bracket 7 of the support 6 is formed shorter than the bracket 3 of the main support 1 as a whole. However, for the same reason as described above for the main support 1, the upper end of the column 2 and the support portion 7b are provided. The distance between them is longer than the distance between the upper end of the column 2 and the support 7c. In addition, bracket 7
Two positioning fittings 7d and 7e are fixed at a position slightly closer to the support portion 7b than the upper end of the support column 2 on the upper surface of the support 2, and the distance between the positioning fitting 7d and the support portion 7b and the distance between the positioning fitting 7e and the support portion 7c. Are respectively set to be equal to or slightly larger than the width of the scaffold plate 14.

Next, the main support 1 and the above-mentioned other support 6
For example, the scaffold plate 1 is arranged above the beam 8 in parallel with the beam 8.
4 will be described. As shown in FIG. 3, one of two beams 8 and 9 (both of which are H-beams) connected so that longitudinal ends thereof are orthogonal to each other at a corner portion A on the outer periphery of a house (building). The support 1 is attached to the end of the beam 8 at a position outside the beam 8 in the longitudinal direction.

That is, the upper flanges 8a, 9 of the beams 8, 9
With the floor panel 11 placed and fixed on the indoor side from the webs 8c and 9c on a, the horizontal plate 5 of the support 1 is inserted into a hole 8d of the lower flange 8b of the lower flange 8b located on the outdoor side from the web 8c. The horizontal plate 5 is brought into contact with the lower flange 8b by inserting the pin 5a from above, and at the same time, the horizontal plate 4 is brought into contact with the upper flange 7a while aligning the holes 4a of the horizontal plate 4 with the holes 8d of the upper flange 8a. Let it.

Then, the bolts 12 are inserted into the holes 4a and 8d of the horizontal plate 4 and the upper flange 8a, and the nuts 13 are tightened to the bolts 12 below the upper flange 8a, so that the horizontal plate 4 can be detachably attached to the beam 8. Fixed to.
Thus, as shown in FIGS. 4 and 5, the support 1 is fixed to the end of the beam 8 in a posture extending upward from the end of the beam 8. In this state, the bracket 3 will extend between the indoor side and the outdoor side of the house at an angle of about 45 ° to both the beams 8, 9 as shown by the solid line in FIG. .

Further, as shown in FIG. 7, one or a plurality of the above-mentioned other support members 6 are attached to the outside of the beam 8 at a position other than the end in the longitudinal direction. Also in this case, similarly to the above, the pin 5a of the horizontal plate 5 of the support 2 of the support 6 is inserted from above into the hole 8d of the lower flange 8b of the beam 8, and the hole 4a of the horizontal plate 4 is inserted into the hole of the upper flange 8a. 8d
The support plate 6 may be attached by fixing the horizontal plate 4 to the upper flange 8a with the bolts 12 and the nuts 13 from above. In this mounting state, the bracket 7 extends perpendicular to the beam 8 between the indoor side and the outdoor side of the house.

After the main support 1 and the other support 6 are attached, as shown in FIG. 8, two scaffold plates 14 are hung on the brackets 3 and 7 of the supports 1 and 6 in parallel with each other. hand over.
One scaffold plate 14 extends indoors from the web 8c of the beam 8 and the other scaffold plate 14 extends parallel to the beam 8 on the outdoor side from the web 8c. The width direction position is regulated from both sides by the support portion 7b and the positioning metal fitting 7d of the bracket 7 of the sixth bracket 7, and the scaffold plate 1 on the outdoor side
The position of the bracket 4 in the width direction is regulated by the support portion 7c and the positioning bracket 7e of the bracket 7. In this state,
The worker W can perform various operations such as mounting an outer wall panel (not shown) on the scaffold plate 14.

In operation, as shown in FIGS. 3 and 7, the lower ends of the handrail posts 15 are inserted into the support portions 3b, 3c and 7b, 7c of the brackets 3, 7 of the supports 1, 6, respectively. A large diameter portion 15a provided near the lower end portion
Abuts on the support parts 3b, 3c or 7b, 7c, thereby preventing the downward movement. As a result, the lower end of the handrail support 15 is supported at the support portion 3b, 3c or 7b, 7b.
c and extends upward from both ends of the brackets 3 and 7. A ring-shaped portion 15b is provided at the upper end of the handrail post 15, and the ring-shaped portion 15 of the corresponding handrail post 15 on the indoor side and the outdoor side of the supports 1, 6 is provided.
Between b, handrail ropes 16 are stretched substantially parallel to the scaffolding plates 14, respectively.

As shown in FIG. 8, the handrail rope 16 is stretched to a height near the waist of the worker W, and there is a danger that the worker W may fall down accidentally during various operations. Can be reduced. In addition, when removing a scaffold, contrary to the above, the handrail rope 16, the handrail support 1
5. After the scaffolds 14 are sequentially removed, the supports 1 and 6 may be removed from the beam 8.

As described above, by installing the scaffolding plates 14 on the indoor side and the outdoor side of the beam 8, there is an advantage that the scaffolding plates 14 can be freely moved between the inside and outside scaffolding plates 14 according to the type and position of work. However, the scaffold 14 can be installed only on the indoor side or the outdoor side. In that case, the length of the brackets 3 and 7 in the supports 1 and 6 may be reduced to a length that allows only one scaffold plate 14 to be installed. Also,
When only one scaffold plate 14 is used, the scaffold plate 14
May be wider than in the above embodiment.

In the above embodiment, the scaffolding plate 14 is supported by the other support 6 at a position other than the longitudinal end of the beam 8, but, for example, the scaffold plate 14 is provided on the beam 8 (not shown). A further support (not shown) is attached to the pillar so that the bracket is positioned at substantially the same height as the bracket 3 of the main support 1, and the scaffold plate 1 is combined with the main support 1 and the support on the column.
4 may be supported.

In the above-described embodiment, the scaffolding plate 14 is installed along the beam 8 as shown by a two-dot chain line in FIG. 6, but as shown by a dotted line in FIG. Even when one or two scaffolding boards 14 are installed, the present support 1 can be used to support the scaffolding boards 14 at the corners A. Actually, the scaffold plate 14 can be installed along both the beams 8 and 9. In this case, the end portions of the two-way scaffold plate 14 on the corner A side on the bracket 3 of the support 1. May be placed on top of each other.

Although the bracket 3 is inclined by about 45 ° in the horizontal plane with respect to both the beams 8 and 9, as long as the bracket 3 is inclined with respect to both the beams 8 and 9 in the horizontal plane. The angle of inclination may vary slightly. The mounting position of the column 2 of the support 1 is not only the position shown in FIG. 6 described above, but also the P position shown by a dotted line outside the longitudinal end of the beam 8 or the longitudinal direction of the beam 9. May be attached to a position Q indicated by a dotted line on the outside of the end of the bracket 3. In this case, the length of the bracket 3 depends on the attachment position of the support 2 so that the scaffold plate 14 can be supported in two directions. May be appropriately changed. Further, as shown in FIG. 9, the bracket 3 may be inclined in a horizontal plane in a direction substantially perpendicular to the direction of FIG. 6, in which case the support column 2 is located inside the web 8 c at the longitudinal end of the beam 8. It is preferable to attach to.

Further, in this embodiment, a pin 5a is provided on the lower horizontal plate 5 side of the supports 1, 6 and inserted into the hole 8d of the lower flange 8b of the beam 8, so that a set of bolts 12 And the nuts 13 alone can be used to easily fix the supports 1 and 6 to the beam 8, but holes are provided in the lower horizontal plate 5 instead of the pins 5a, and the horizontal plates 4 and 5 are bolted together. 12, an upper nut 8 and a lower flange 8a,
8b may be fixed.

[0026]

According to the first aspect of the present invention, there is provided a scaffolding support according to the first aspect of the present invention, wherein one end of one of two beams connected to each other at a corner portion on the outer periphery of a building so that the ends are orthogonal to each other. A scaffold support that is removably attached to the scaffold and supports the scaffold, the support having a lower end detachably connected to a hole at an end of the one beam and extending upward from the end of the one beam; and A bracket fixed to an upper end portion of the support column in a direction inclined in a horizontal plane with respect to both of the two beams and extending in the horizontal direction to support the scaffold. And at least one of the two beams is attached with another support having a bracket at a position substantially at the same height as the bracket, and the support and the other support are attached to at least one of the two beams. Hang a scaffold (scaffold board) between each bracket Succoth, it is possible to install the upward the beams substantially parallel to the scaffold of the at least one beam. In this case, if the other support is attached to both of the two beams, scaffolds can be respectively installed substantially in parallel with both of the two beams, and the ends of the scaffolds in these two directions on the corner side are Both will be supported by the bracket of this support. Then, by performing work on the scaffold installed using the present support, various operations such as mounting of an outer wall panel can be performed safely and easily, and the installation of the scaffold can be performed as compared with the case where a conventional external scaffold is used. The cost can be significantly reduced.

According to a second aspect of the present invention, there is provided the scaffold support according to the first aspect, wherein the bracket extends from the upper end of the support to both the indoor side and the outdoor side of the building. In the two directions in which the beams extend at right angles to each other, a scaffold can be provided on the indoor side (inside of the beam), on the outdoor side (outside of the beam), or on both sides of the building, respectively. There is an advantage that the installation position can be selected.

According to a third aspect of the present invention, there is provided the scaffold support according to the first or second aspect, wherein a cylindrical support portion for supporting a lower end portion of a handrail support for a handrail rope is provided at an end of the bracket. Therefore, a cylindrical support is also provided at the end of the bracket in the other support, and a handrail support is set up on the corresponding support in the present support and the other support, respectively. By stretching the handrail rope between the upper ends of the handrail supports, the worker can be protected by the handrail rope and the danger of a fall accident can be reduced.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a scaffold support according to an embodiment of the present invention.

FIG. 2 is a front view showing another support used together with the support.

FIG. 3 is a perspective view showing a state where the support according to the embodiment is attached.

FIG. 4 is a front view of the support according to the embodiment in an attached state.

FIG. 5 is a side view of the support according to the embodiment in an attached state.

FIG. 6 is a plan view showing a state in which the scaffold is supported by the support according to the embodiment.

FIG. 7 is a perspective view showing a state in which the other support is mounted.

FIG. 8 is a perspective view showing a state where the scaffold is supported using the support according to the embodiment and the other support.

FIG. 9 is a plan view showing a state in which the scaffold is supported by a support which is a modification of the support according to the embodiment.

[Description of Signs] 1 support 2 support 3 bracket 3b, 3c support 8, 9 beam 8d hole 14 scaffold plate (scaffold) 15 handrail support 16 handrail rope A corner

Claims (3)

[Claims] 1. A scaffold that is detachably attached to an end of one of two beams that are connected so that their ends are orthogonal to each other at a corner portion of an outer periphery of a building and that supports the scaffold. A support having a lower end detachably connected to a hole at an end of the one beam and extending upward from the end of the one beam, and both of the two beams at an upper end of the support. And a bracket that is fixed in a direction inclined in a horizontal plane and extends in the horizontal direction to support the scaffold. 2. The scaffolding support according to claim 1, wherein the bracket extends from an upper end of the column to both an indoor side and an outdoor side of the building. 3. The scaffolding support according to claim 1, wherein a cylindrical support for supporting a lower end of a handrail support for a handrail rope is provided at an end of the bracket. .