JP2000027429A - Scaffold locking hardware - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide scaffold locking hardware which does not hinder the locking of panels, and which does not require the butt end faces of the panels to be machined for installation, thus preventing damage to the outer surfaces of the panels. SOLUTION: In this scaffold locking hardware comprising a main body 11 and an attachment 12, the base part 11a of the main body 11 is secured to the vertical part of a ruler angle 3 and a long nut 1c with an outside diameter about equal to or slightly smaller than the width of the horizontal joint of an exterior wall panel 1 is secured to the end of a horizontal part 11b with the upper surface of the long nut 11c located at the same level as the upper surface of the horizontal part 11b, and with the end thread part 120 of the attachment 12 fastened in place. Further, a through hole for tightening a bolt is cut in the base part 11a and preferably concurrently used also for the weight self-supporting hardware of the exterior wall panel 1. The attachment 12 comprises the end thread part 12a and the long nut 11c, and packing 13 of an elastic body abutting against the exterior wall panel 1 and a washer 14 are preferably placed thereon.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hardware for fixing a scaffold, and more specifically, to a scaffold at a horizontal joint of a panel for an outer wall attached to a steel frame of a building, and at a ruler angle of the steel frame. Related to scaffolding fixing hardware.

[0002]

2. Description of the Related Art Conventionally, ALC is generally used for steel frames of buildings.
When attaching a panel for an outer wall such as a panel or a PC panel, a scaffold combining pipes and plates is temporarily provided at a desired interval from a wall surface of the panel for work. To temporarily install the scaffold, a tether is fixed to a desired position of the steel frame, and the tether is attached to a scaffold pipe at a position opposite to the tether. Then, both ends of a connecting tool (turn buckle) are fixedly connected to each connecting hardware.

For example, as shown in a perspective view shown in FIG. 6 or a vertical cross-sectional view shown in FIG. 8, at a position where the panel 1 is mounted, a base 7b of a connecting hardware 7 is attached to a ruler angle 3 at a horizontal joint of the panel 1. Is fixed. FIG. 9 is a partially enlarged sectional view of FIGS. 6 and 8.

[0004] As shown in FIG.
Is a horizontal plate, a long nut 7a is provided at the tip, one end of the base 7b is bent with a slope for welding, and the other end is overlapped with a fold to increase strength as necessary. Keep it. Attachment 8 to which a long nut 8a is fixed in advance
Is fixed to the long nut 7a by welding the gap between the base 7b and the ruler angle 3 in a state where the base 7b is held at a predetermined position of the ruler angle 3 so that the base 7b is horizontal. .

The connecting hardware 15a is connected to the scaffold pipe 2
0, and the base of the connecting member 15 is fastened to the connecting hardware 15a, and the tip screw portion 15b is fastened and fixed to the long nut 8a of the attachment 8.

According to this method, the screw portion 7a having a smaller outer diameter than the long nut 8a fitted to the tip screw portion 15b of the connecting member 15 can be used in the horizontal joint of the outer wall panel 1. Due to the increased thickness of the base 7b and the long nut 7a, it is necessary to partially cut out the small face of the panel 1 as shown in FIG.

As another method, as shown in FIG. 10, a hook 9 having a hook-shaped base 9a fixed to a horizontal long nut 9b is used, and the base 9a is hooked on a vertical portion of the ruler angle 3. There is also a method in which the end screw portion 15b of the connecting member 15 is fastened and fixed to the long nut 9b.

However, the outer diameter of the long nut 9b that fits the threaded portion 15b of the connecting member 15 is usually larger than the width of the horizontal joint, and as shown in FIG. It is necessary to lack.

Further, in any case, the outer surface of the panel may be damaged when the connecting member swings. In such a case, the scaffold and the connecting device must be removed, and then the broken portion such as the cutout portion of the panel must be repaired. This requires time and effort and also impairs the appearance of the finished product. In particular, sticking tiles on the surface,
In a panel that has been subjected to finish processing such as painting, there is a problem that such hardware that damages the panel surface cannot be used.

[0010] Further, since the connecting hardware 7, 9 fixed to the ruler angle remains buried in the horizontal joint, as shown in FIG. In the case of the seismic structure in which locking is performed with the weight receiving bracket 16 as a fulcrum, there is a problem that the connecting hardwares 7 and 9 hinder locking of the panel 1.

[0011]

SUMMARY OF THE INVENTION The present invention provides a hardware for fixing a scaffold which does not hinder panel locking when attached to a ruler angle. The present invention also provides a scaffold fixing hardware which does not process the fore-edge surface of the panel for mounting and does not damage the outer surface of the panel.

[0012]

At a horizontal joint of an outer wall panel to be attached to a ruler angle of a steel frame of a building, a scaffolding fixing member fixed to the ruler angle and for attaching a scaffold mounting connector. And a main body and an attachment, wherein the main body includes a horizontal portion and a first long nut, and a base of the horizontal portion is fixed to a vertical surface of the ruler angle. The first long nut is fixed with the upper surface positioned at the same level as the upper surface of the horizontal portion, and the outer diameter of the first long nut is substantially equal to or slightly smaller than the width of the horizontal joint portion of the outer wall panel. The attachment has a first long nut that can be fastened to the first long nut, and the attachment has a second long nut that can be fastened to the first thread of the coupling tool.

It is preferable that the attachment is provided with a packing of an elastic body and a washer which abut on the outer wall panel. Further, a vertical portion having a through hole for bolt fastening is provided at a base portion of the main body so that the vertical portion of the main body can be used also as a weight receiving metal fitting of the outer wall panel, or is fixed to the vertical portion of the main body, and the screw portion is a horizontal portion. It is preferable to provide a bolt protruding on the opposite side to increase the fixing strength. Further, it is preferable that the upper portion of the vertical portion is adapted to match the vertical portion of the ruler angle.

The scaffold fixing hardware of the present invention comprises a main body and an attachment. The main body is composed of only a plate-shaped horizontal portion or a horizontal portion and a vertical portion, and a long nut having an outer diameter substantially equal to or slightly smaller than the width of the horizontal joint portion of the panel is provided at the tip of the horizontal portion. It is fixed so that the upper surface is at the same level as the upper surface of the horizontal portion. In addition, the screw portion at the tip of the attachment is fastened to the long nut.
A long nut to be fastened to the distal end of the connecting tool shown in FIG. Therefore, there is no need to process or repair the panel, it does not take much trouble, and the appearance of the wall surface is improved.

Further, when connecting the attachment to the main body, if the long nut is brought into contact with the outer surface of the panel via the washer or the packing, the connecting member is less likely to swing and the packing of the elastic body protects the panel surface. Damage can be prevented. In particular, it is possible to cope with a panel on which a tile is attached to the surface or a finish processing such as painting is performed.
In addition, as described above, if the structure that can also be used as the weight receiving bracket is used, not only the number of members, labor and cost can be reduced, but also the locking of the panel will not be hindered, so that the seismic resistance of the outer wall panel will be impaired. Nor.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a scaffold fixing metal body 11 according to the present invention.
FIG. 2 shows the attachment 12 and the ruler angle 3. FIG. 3 shows the main body 11 and the attachment 12.
It is a longitudinal cross-sectional view which shows the state which fixed the scaffold using the scaffold fixing hardware 10 consisting of.

The scaffolding fixing hardware 10 typically has a thickness of 1 mm.
The panel 1 having a width of 00 mm and a width of 600 mm is also used as a weight receiving fitting for mounting the panel 1 on a building frame. More specifically, it is used when the panel 1 is attached to a ruler angle 3 in which a horizontal plane is fixed to a horizontal beam 2 of the frame with a desired projection width at a horizontal joint portion width of, for example, 10 mm.

The main body 11 of the fixing hardware 10 for a scaffold has a thickness of 6 mm.
A vertical portion 11a made of a plated steel plate having a width of 120 mm and a width of 120 mm and having an upper portion fitted to and fixed to the vertical surface of the ruler angle 3, and projecting outward perpendicularly to the vertical portion 11a, and a lower end face of the outer wall panel 1 Length 60 carrying 1a
mm horizontal portion 11b and the horizontal portion 11b are fixed while being cut in a bifurcated shape at the distal end portion.
It is composed of a long nut 11c having a length of 0 mm and a length of 50 mm. In the case shown, the vertical portion 11a is a base of the horizontal portion 11b.
The tip of the long nut 11c protrudes from the tip of the horizontal portion 11b, and the upper surface of the long nut 11c is at the same level as the upper surface of the horizontal portion 11b. In the lower part of the vertical portion 11a, a through hole 1 for bolting to a buried anchor of the panel is provided.
1d may be provided so that it can also be used as a weight holder. That is, the self-weight receiving bracket is constituted in cooperation with the progress plate 4 sandwiching the ruler angle 3 together with the vertical portion 11a.

Further, as shown in a plan view in FIG. 4 and a side view in FIG. 5, the bolt portion 11e is fixed by welding or the like, and is fastened to a ruler angle of the frame by a bolt or the like to increase the strength. May be increased.

The attachment 12 has a total length of 95 mm.
It has a screw hole with an inner diameter of 12 mm, a hexagonal nut 12 b with a length of 30 mm, and a distal end of 65 mm with a screw 12 a with an outer diameter of 6 mm.

Next, a method for fixing a scaffold using the scaffold fixing hardware 10 will be described. First, a scaffold is erected by a usual method by combining a pipe with a diameter of 60 mm and a plate, and is fixed by temporary welding to the exposed portion of the steel frame.

On the other hand, as shown in FIG. 3, a bolt 5 which penetrates a long hole of an ina plate 4 formed by bending a plated steel plate having a thickness of 6 mm and a width of 120 mm in a stepped manner is provided on the back surface of the lower end of the panel 1. 1 is fastened to a buried anchor (not shown) in the inside of the panel 1.
Body 11 is fastened with bolts 5 penetrating the through holes. At the upper end of panel 1 where the scaffold is not fixed,
An ordinary weight receiving bracket (not shown) is fastened to an embedded anchor (not shown) in the panel by a bolt.

These panels 1 are suspended from above between the frame and the scaffold, and the lower end of the panel 1 suspended on the horizontal portion 11b of the main body 11 already fixed to the ruler angle 3 and the upper end of the lower panel 1. The vertical portion of the ruler angle 3 is narrowed between the inner plate 4 and the back surface of the panel 1 and fastened and fixed. Also, the main body 1 fixed to the upper end portion
The first vertical portion 11a is fixed to the vertical surface of the upper ruler angle 3 by welding or the like. The thickness of the horizontal joint portion of the main body 11 is as thin as 10 mm, and there is no protrusion from the horizontal portion 11b. Therefore, it is not necessary to cut out the panel 1, and there is no problem in locking the panel 1. .

Then, when the upper panel 1 is attached,
An annular washer 1 is attached to the screw portion 12a of the attachment 12.
4 and the packing 13 of the elastic body,
If it is fastened to the long nut 11c, the packing 13 protects the panel surface, which is convenient without damage. Then, the connector 15 attached to the scaffold as before is used.
Of the attachment 12 is fastened to the long nut portion 12b of the attachment 12, and the scaffold is fixed by appropriately adjusting the length. Panel 1 in this way
The scaffold can be connected and fixed to the steel frame at a desired position while sequentially attaching the scaffolds. When all the panels 1 have been attached, the connecting device 15 and the attachment 1 are successively attached.
2. After removing the washer 14 and the cushion material 13, the sealing material may be filled in the horizontal joint portion in the same manner as in the related art.

The dimensions and shape of the scaffold fixing hardware 10 may be appropriately selected as necessary, such as the dimensions of the panel and the dimensions of the horizontal joint. If there is no need to lock the panel, the main body may be a horizontal portion only.

[0026]

As described in detail above, the scaffolding fixing hardware of the present invention eliminates the need for processing and repair of panels, saves labor, and improves the appearance of wall surfaces. Further, it is possible to cope with a panel on which a tile is stuck on the surface or a finish processing such as painting is performed.

Further, when the attachment is screwed to the main body, if the washer or the packing is inserted, the connecting member is less likely to swing, and the elastic packing protects the panel surface and prevents damage. be able to. In addition, as described above, if the structure that can also function as the weight receiving bracket is used, the conventional connecting hardware is not required, and not only can the labor and cost be reduced, but also the locking of the panel does not become a hindrance. There is no loss in seismic resistance.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a main body of a hardware for fixing a scaffold according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an attachment of a scaffold fixing hardware according to one embodiment of the present invention.

FIG. 3 is a longitudinal sectional view of one embodiment of the present invention.

FIG. 4 is a plan view showing a main body of the hardware for fixing a scaffold according to one embodiment of the present invention.

FIG. 5 is a side view showing a main body of the hardware for fixing a scaffold according to one embodiment of the present invention.

FIG. 6 is a perspective view showing a conventional scaffold fixing method.

FIG. 7 is a perspective view showing a conventional connecting hardware.

FIG. 8 is a longitudinal sectional view showing a conventional scaffold fixing method.

9 is an enlarged sectional view of a main part of FIG.

FIG. 10 is a longitudinal sectional view showing another conventional scaffold fixing method.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Panel 2 Beam 3 Ruler angle 4 Inner plate 5 Bolt 7, 9, 15a Connecting hardware 7a, 8a, 9b, 11c, 12b Long nut 7b, 9a Base 7c Weld 8, 8 Attachment 8b, 12a, 15b Screw 10 Hardware for fixing scaffolding 11 Main body 11a Vertical portion 11b Horizontal portion 11d Through hole 11e Bolt portion 13 Packing 14 Washer 15 Connecting tool 16 Self-weight receiving fitting 20 Pipe for scaffolding

Claims (5)

[Claims] Claims: 1. A scaffold fixing hardware fixed to a ruler angle at a horizontal joint portion of an outer wall panel attached to a ruler angle of a steel frame of a building, and for attaching a scaffolding attachment, The main body comprises a horizontal part and a first long nut, and the base of the horizontal part is fixed to a vertical surface of the ruler angle. The nut is fixed with its upper surface positioned at the same level as the upper surface of the horizontal portion. The first long nut has an outer diameter substantially equal to or slightly smaller than the width of the horizontal joint portion of the outer wall panel. A scaffolding fixing metal, wherein a second long nut to which a portion can be fastened to a first long nut and a tip screw portion of the connecting tool can be fastened to an attachment. 2. The scaffold fixing metal according to claim 1, wherein the attachment is provided with an elastic packing and a washer that abut on the outer wall panel. 3. The scaffold fixing metal according to claim 1, wherein a vertical portion having a through hole for bolt fastening is provided at a base of the main body. 4. A bolt fixed to a vertical portion and having a screw portion protruding on a side opposite to the horizontal portion is provided.
The hardware for fixing a scaffold described in the above. 5. The scaffold fixing metal according to claim 3, wherein an upper portion of the vertical portion is adapted to fit with the vertical portion of the ruler angle.