JPH1181653A - Scaffold support tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a scaffold support tool capable of supporting a scaffold and securing work safety by being removably fitted to an angular column at a corner section on the outer periphery of a building. SOLUTION: This scaffold support tool 1 is removably fitted to an angular column 14 on the outer periphery of a building to support a scaffold 23. The scaffold support tool 1 is provided with the first and second holding members 3, 4 hinge-coupled with one-end sections together and having an L-shaped cross section, fixing members 5, 6 removably fixing the other end sections of the first and second holding members 3, 4 while the outer periphery of the column 14 is held by the first and second holding members 3, 4, and brackets 7, 8 protruded in the horizontal direction from at least one of the first and second holding members 3, 4 to support the scaffold 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a scaffold support that is removably attached to a square pillar at a corner portion of a steel-framed building and supports a scaffold (scaffold plate).

[0002]

2. Description of the Related Art Conventionally, when a steel-framed house is constructed, an external scaffold is installed along the outer periphery of the house with a steel pipe or the like. This external scaffold, as is well known,
Members such as arms are combined vertically and horizontally, and a scaffold is laid horizontally between adjacent arms.

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 high. 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 solves the above-mentioned problems, and supports a scaffold by being detachably attached to a square pillar at a corner portion of a building to secure work safety. It is an object of the present invention to provide a scaffold support capable of performing the above-mentioned steps. Therefore, the scaffold support of claim 1 of the present invention is a scaffold support that is detachably attached to a square pillar on the outer periphery of a building to support the scaffold,
First and second holding members each having an L-shaped cross section and one end of which is hinged, and the first and second holding members holding the outer periphery of the pillar by the first and second holding members. A fixing member for detachably fixing the other end portions of the holding members to each other; and a bracket projecting horizontally from at least one of the first and second holding members to support the scaffold. .

According to a second aspect of the present invention, in the structure of the first aspect, a bracket is provided on each of the first and second holding members, and the two brackets are attached when the support is attached to the pillar. It is characterized by being arranged so as to extend substantially on the same straight line with the column interposed therebetween.

According to a third aspect of the present invention, there is provided a scaffold support according to the first or second aspect, wherein the pillar is a pillar located at a corner portion of an outer periphery of a building, and the pillar is attached to the pillar when the support is attached to the pillar. The bracket extends substantially diagonally in a horizontal section of the column.

According to a fourth aspect of the present invention, there is provided a scaffold support according to any one of the first to third aspects, wherein a cylindrical support portion for supporting a lower end portion of a support for a handrail rope is provided at a tip portion of the bracket. It is characterized by being carried out.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. Scaffold support 1 of the present embodiment
Is a square (rectangular section) at the corner of the house
As shown in FIG. 1, the first and second holding members 3 each having an L-shaped horizontal cross section and having one end hinged to each other by a hinge shaft 2 as shown in FIG. , 4, a bolt 5 and a nut 6 (fixing member) for detachably fixing the other ends of the first and second holding members 3, 4, and the first and second holding members 3, 4. The brackets 7 and 8 are integrally provided so as to protrude in the horizontal direction.

When the brackets 7 and 8 are attached to a pillar 14 (see FIG. 6), which will be described later, the brackets 7 and 8 are on the same straight line with the pillar 14 interposed therebetween. It is arranged to extend to. Also,
Each of the distal ends of the brackets 7 and 8 has a support 24 to be described later.
Cylindrical supporting portions 7a and 8a for inserting and supporting the lower end portion of (see FIG. 7) are provided integrally.

As shown in FIG. 2, a cylindrical portion 3a is provided integrally at one end of the first holding member 3 in the middle in the up-down direction, while the upper end of the second holding member 4 at one end and A pair of cylindrical portions 4a are integrally provided at the lower end, and the hinge shaft 2 is inserted through these cylindrical portions 3a and 4a.
The nut 9 is screwed into the male screw 2 a provided at the lower end of the hinge shaft 2, so that the first and second holding members 3 and 4 are rotatably connected around the hinge shaft 2.

A pair of upper and lower horizontal plates 3b and 3c are provided at the other end of the first holding member 3 at predetermined vertical intervals, and a vertical support shaft 11 is provided between the horizontal plates 3b and 3c. Is attached. As shown in FIG. 3, a pair of upper and lower support plates 12, 1
3 is rotatably fitted in the holes 12a and 13a, and the base end of the bolt 5 is fixed between the support plates 12 by welding or the like.

At the other end of the second holding member 4, a pair of upper and lower horizontal plates 4b and 4c are provided at predetermined intervals in the vertical direction, and the first holding member 3 of the horizontal plates 4b and 4c is provided. A vertical plate 4d is provided between the closer ends, and a groove 4e into which the tip of the bolt 5 can be inserted is formed in the vertical plate 4d. Bolt 5
The position of the support plate 12, 1 between the position inserted into the groove 4e (see FIG. 1) and the position separated from the groove 4e (see FIG. 4).
The first and second holding members 3 and 4 can be fixed to each other by being rotatable together with the first holding member 3 and the second holding member 3 by tightening the nut 6 with the bolt 5 inserted into the groove 4e while applying the nut 6 to the vertical plate 4d. I have.

Next, a procedure for installing a scaffold along the outer periphery of the house using the support 1 will be described. The support 1 is used by attaching it to a square pillar at the corner of the house. At the time of attachment, the nut 6 is loosened on the bolt 5 or the nut 6 is removed as shown in FIG. To release the bolt 5 from the groove 4e of the vertical plate 4d of the second holding member 4, and as shown in FIG.
The other end portions of the first and second holding members 3 and 4 are rotated in a direction in which the other end portions of the first and second holding members 3 and 4 are separated from each other.

Then, with the first and second holding members 3 and 4 opened, they are set on the outer periphery of the pillar 14 at the corner portion of the outer periphery of the house, and the first and second holding members are centered on the hinge shaft 2. The first and second holding members 3 and 4 hold the outer circumference of the pillar 14 by rotating the other ends of the members 3 and 4 in a direction in which they approach each other, and then hold the bolt 5 in the second holding state. Vertical plate 4d of member 4
By inserting the nut 6 into the vertical plate 4d and tightening the nut 6 as shown in FIGS. 6 and 7,
The support 1 is fixed to the outer periphery of the pillar 14. Thereby, the first
The bracket 7 on the holding member 3 side extends substantially horizontally from the pillar 14 to the indoor side of the house while forming an angle of about 45 ° with respect to both the floor beams 15 and 16 in the width direction and the depth direction of the house. The bracket 8 on the side of the second holding member 4 extends substantially horizontally to the outdoor side of the house on the same straight line as the bracket 7.

As shown in FIG. 8, a column adjacent to the column 14, for example, a flange 17a of a column 17 made of H-section steel is used.
Then, a support tool 18 different from the support tool 1 is attached at substantially the same height. Although not described in detail here, the support 18
Is fixed to the flange 17a detachably by sandwiching both ends in the width direction of the flange 17a between the first and second engaging members 20 and 21 from both sides.
The bracket 22 extends substantially horizontally from the pillar 17 to the indoor side and the outdoor side of the house at right angles to the floor beam 15.

After the supports 1 and 18 are attached to the pillars 15 and 17, respectively, as described above, scaffolding boards 23 (scaffolds) are installed along the floor beams 15 on the indoor side and the outdoor side of the house, respectively. That is, as shown by two-dot chain lines in FIG. 6 to FIG. 8 (partly solid lines in FIG. 8), one scaffolding plate 23 is attached to the bracket 7 of the support 1 and the bracket 22 of the support 18 on the indoor side. The other scaffold plate 23 is placed on the outdoor portion of the bracket 8 of the support 1 and the bracket 22 of the support 18, and the brackets 7, 8 are respectively attached with rubber bands or ropes (not shown). And the bracket 22. In this state, as shown in FIG. 8, the worker W can get on the scaffolding plate 23 and perform various operations such as attaching an outer wall panel (not shown).

At the time of work, the lower ends of the columns 24 are inserted into and supported by the support portions 7a, 8a at the respective ends of the brackets 7, 8 and the cylindrical support portions 22a at both ends of the bracket 22, By extending the handrail rope 25 between the upper ends of the columns 24, the risk of the worker W falling down can be reduced.

When removing the scaffold, contrary to the above, first, the handrail rope 25, the support 24 and the scaffold plate 23 are sequentially removed, and then the support 1 and the support 18 are connected to the columns 14 and 17.
Remove it from. In the above description, the scaffolding plate 23 is installed on both the indoor side and the outdoor side of the house in parallel with the floor beam 15, but depending on the type and position of the work, either the indoor side or the outdoor side is used. It is also possible to install the scaffold plate 23 on only one side, in which case the support column 24 and the handrail rope 25
May be provided only on either the indoor side or the outdoor side.

In the above description, the floor beam 15 in the width direction of the house is used.
The scaffold plate 23 is installed along the floor. However, as shown by dotted lines in FIGS. 6 and 7, when the scaffold plate 23 is installed along the floor beam 16 in the depth direction of the house, the support 1 is also used. Can be used. Thus, the brackets 7 and 8 are
4, the pillars 14 are arranged so as to extend in a substantially diagonal direction in a horizontal cross section of the pillars 14. Therefore, the same support 1 is used regardless of whether the scaffolding plate 23 is installed in the width direction of the house or in the depth direction. Can be used in the same mounting state. The support 1 may simultaneously support the scaffold plate 23 extending in the width direction of the house and the scaffold plate 23 extending in the depth direction.

In the above embodiment, the support 1 is provided with the brackets 7 and 8 projecting in opposite directions, so that the scaffold plate 23 can be installed on either the indoor side or the outdoor side. The support 1 may be provided with only one of the brackets 7 and 8, so that the scaffold plate 23 can be installed along only one of the indoor side and the outdoor side.

Further, in the above embodiment, the case where the present support 1 is attached to the square pillar 14 at the corner part of the outer periphery of the house has been described. However, the square pillar is mounted at a position other than the corner part of the outer periphery of the house. When using, this support 1
May be used. In this case, the brackets 7 and 8 do not necessarily need to protrude in an oblique direction (substantially diagonal direction in the horizontal cross section of the prismatic column), and similarly to the bracket 22 in the support 18 in FIG. Can also be projected.

[0023]

The scaffold support of the first aspect of the present invention is a scaffold support that is detachably attached to a square pillar on the outer periphery of a building to support the scaffold, and one end of each scaffold support is hinged. First and second holding members each having an L-shaped cross section coupled thereto, and the other ends of the first and second holding members with the first and second holding members holding the outer periphery of the pillar. Since it is provided with a fixing member for detachably fixing the portions and a bracket for projecting horizontally from at least one of the first and second holding members and supporting the scaffold, a book is provided on the outer periphery of the square pillar. A scaffold (scaffold plate) is supported on the bracket by attaching a support tool, and in this state, the worker can perform various operations such as attaching an outer wall panel on the scaffold, thereby ensuring work safety. It is possible, and compared to using an external scaffold, The installation cost of the place can be greatly reduced.

According to a second aspect of the present invention, there is provided the scaffold support according to the first aspect, wherein a bracket is provided on each of the first and second holding members, and the two brackets are attached when the support is mounted on the pillar. Since the two brackets are arranged so as to extend substantially on the same straight line with the pillar interposed therebetween, one of the two brackets extends to the indoor side of the building and the other extends to the outdoor side of the building. The scaffold can be bridged along the outer periphery of the building to the indoor side or the outdoor side or both, and there is an advantage that the position for bridging the scaffold can be appropriately selected according to the type and position of work. .

According to a third aspect of the present invention, there is provided the scaffold support according to the first or second aspect, wherein the pillar is a pillar located at a corner on the outer periphery of a building, and the pillar is attached to the pillar when the support is attached to the pillar. Since the bracket extends in a substantially diagonal direction in the horizontal cross section of the pillar, the scaffold can be bridged along the outer periphery of the building in either the width direction (left-right direction) or the depth direction (front-rear direction). There is an advantage that the scaffold can be supported on the bracket.

According to a fourth aspect of the present invention, there is provided the scaffold support according to any one of the first to third aspects, wherein a cylindrical support portion for supporting a lower end portion of a support for a handrail rope is provided at a tip portion of the bracket. Therefore, the work is carried out by setting up a support on the support of the above-mentioned support and also setting up a support on the support of the other adjacent support, and stretching the handrail rope between these plural supports. Persons can be protected by the handrail rope to reduce the risk of falling accident.

[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 an exploded perspective view showing the support.

FIG. 3 is an enlarged front view of a main part showing the support.

FIG. 4 is a perspective view showing a state in which a bolt of the support is detached from a groove.

FIG. 5 is a plan view showing a state where first and second holding members of the supporter are opened.

FIG. 6 is a plan view showing a state in which the support is attached to a square pillar at a corner on the outer periphery of the house.

FIG. 7 is a perspective view showing a state in which the support is attached to a square pillar at a corner on the outer periphery of the house.

FIG. 8 is a perspective view showing a state in which a scaffold is laid over a bracket of the support tool.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Supporting tool 3 1st holding member 4 2nd holding member 5 Bolt (fixing member) 6 Nut (fixing member) 7, 8 Bracket 7a, 8a Supporting part 14 Column 23 Scaffolding board (scaffold) 24 Prop 25 Handrail rope

Claims (4)

[Claims] 1. A scaffolding support that is detachably attached to a square pillar on the outer periphery of a building to support a scaffold, the first and second sections each having an L-shaped cross section and one end of which is hinged. A holding member, a fixing member for detachably fixing the other end portions of the first and second holding members in a state where the outer periphery of the column is held by the first and second holding members, And a bracket protruding horizontally from at least one of the first and second holding members and supporting the scaffold. 2. A bracket is provided on each of the first and second holding members, and the two brackets are arranged so as to extend substantially on the same straight line with the column interposed therebetween when the support is attached to the column. The scaffold support according to claim 1, wherein 3. The pillar is a pillar located at a corner on the outer periphery of a building, and the bracket extends substantially diagonally in a horizontal cross section of the pillar when the support is attached to the pillar. The scaffold support according to claim 1 or 2, wherein 4. The scaffold according to claim 1, wherein a cylindrical support portion for supporting a lower end portion of a support for a handrail rope is provided at a tip portion of the bracket. Support.