JP4026077B2 - Scaffolding bracket - Google Patents

Description

The present invention relates to a scaffold connecting bracket used for assembling a scaffold for performing work at a high place in construction work, and an outer wall panel having the bracket.

When building a reinforcing steel building or performing maintenance such as painting or repairing a built building, it is necessary to build a scaffolding on the outer peripheral surface of the building so that construction personnel can easily work on the outer peripheral surface of the building. . Previously, logs were used to build scaffolds, but logs were damaged or rotted and were dangerous to use frequently. Recently, steel pillars and footboards have been used, and durable scaffolds have been used. With the appearance of such a durable scaffold, a scaffold fixing hardware that can be attached to a building has been devised. For example, in the claim of Patent Document 1, “fixing a scaffold for fixing a scaffolding fixture that is fixed to the ruler angle at a horizontal joint portion of an outer wall panel that is attached to a ruler angle of a steel frame of a building. It is a hardware, comprising a main body and an attachment, the main body is composed of a horizontal portion and a first long nut, and a base portion of the horizontal portion is fixed to a vertical surface of the ruler angle. The first long nut is fixed to the tip in a state where the upper surface is positioned at the same level as the upper surface of the horizontal portion. The first long nut has an outer diameter substantially equal to the width of the horizontal joint portion of the outer wall panel, or slightly The attachment is fixed to a scaffold, characterized in that the tip end of the attachment can be fastened to the first long nut, and the attachment has a second long nut fastened to the tip end of the coupling. Hardware. "Is disclosed. The scaffold fixing hardware of Patent Document 1 requires time and labor to attach it to the embedded anchor of the panel with a bolt, and to remove it when the work is completed.

  Moreover, in patent document 2, as a precast member with a built-in scaffold, and its usage method, "the precast member and the precast member which is attached to this precast member so that it can protrude in the horizontal direction toward the outside are provided. Precast member "is disclosed. In Patent Document 2, the upper edge of the scaffold is rotatably fixed to the upper part of the precast column member. The scaffold is assembled by opening the scaffold at the site and attaching a support member. After being used as a scaffold, it is closed to the lower side, and the fixing material is poured into the surface of the precast column member and hardened, so there is a disadvantage that it cannot be used later.

Assembling scaffolds is necessary not only during construction but also during maintenance after construction, and it is desirable to create scaffolding connectors that can be easily removed and reused. ing.
JP 2000-27429 A JP 2000-282620 A

The present invention can be easily assembled and removed during construction, and can be used during maintenance after construction, and can be used any number of times. A panel having a metal fitting is provided.

As a result of extensive research to facilitate assembly of the scaffolding at the construction site, the present inventor can be used not only during construction but also during maintenance after construction, and the scaffold can be easily removed. In addition, the present inventors have succeeded in providing a scaffolding bracket that can be stored beautifully and a panel having the scaffolding bracket.

  According to a first aspect of the present invention, there is provided a driving bracket having a long nut fixed thereto, a slide washer pivotally attached to the long nut of the driving bracket by a bolt, a washer fixed to the bolt fixed to the slide washer, A scaffold-connecting bracket characterized in that a long nut is attached and can be connected to a scaffold connecting bolt via the long nut attached to the bolt. Since it can be connected to the scaffold connecting bolt via a long nut attached to the bolt, the scaffold can be easily attached and detached.

  The second feature of the present invention is the scaffolding bracket according to claim 1, wherein an elastic buffer member is attached to a washer attached to a bolt of a slide washer. Prevents the scaffolding washer from hitting the wall directly, and does not damage the wall.

  The third feature of the present invention is the scaffolding bracket according to claim 1, wherein the washer attached to the bolt of the slide washer is a square washer. By using a square washer, the load on the wall surface can be widely dispersed when the scaffold is assembled.

  According to a fourth aspect of the present invention, the anchor fitting for the scaffolding joint according to any one of claims 1 to 3 is embedded, and a slide washer is pivotally attached to the embedded anchor. It is the panel for outer walls which has the metal fitting for a scaffolding connection. By embedding the anchoring metal fittings when the PC panel is manufactured, it is possible to assemble the scaffolding at the same time as assembling the wall surface at the site.

  The fifth feature of the present invention is the precast concrete panel having a scaffolding joint metal fitting according to claim 4, wherein the outer wall panel in which the scaffolding joint fitting is embedded is a precast concrete panel. When manufacturing precast concrete (PC) panels, etc., the anchoring bracket mounting brackets are embedded and the slide washer is pivotally attached. When the scaffolding bracket is not used, the slide washer can be rotated to Can be stored.

Since the bracket for connecting scaffolds of the present invention can be connected to the scaffold connection bolts via the long nuts attached to the bolts, the attachment and removal of the scaffolds can be easily performed. The scaffolding bracket of the present invention can be assembled at the same time while assembling the wall surface at the site by embedding the anchoring bracket of the scaffolding bracket when the PC panel or the like is manufactured. Further, when the scaffolding bracket is not used, the slide washer can be rotated and stored between the panels.

  Embodiments of the present invention will be described in detail below with reference to the drawings, but the present invention is not limited to the following embodiments within the scope of the gist.

  The structure of the scaffolding fitting 100 of the present invention will be described with reference to the exploded perspective view of FIG. Scaffolding metal fittings 100 are made of a metal fitting 16 with a long nut 12 fixed thereto, a hole is formed slightly outside from the center of the slide washer 14, a collar 16 is inserted therein, and a washer 13 is inserted vertically. The bolt 17 is pivotally attached to the long nut 12 of the driving metal fitting 11. In FIG. 1, two washers 13 that are inserted above and below the slide washer 14 when the bolt 17 is attached to the long nut 12 are used. A washer 18 and a long nut 19 are attached to the bolt 15 fixed to the slide washer 14 of the scaffolding tie 100. The scaffolding column can be fixed by screwing a connecting bolt coupled to the scaffolding column to the long nut 19.

  The driving metal fitting 11 of the anchoring metal fitting 100 was fixed to a steel plate having a thickness of 6 mm, a width of 53 mm, and a length of 60 mm with a 30 mm long nut having an 11 mm screw hole. The slide washer 14 was formed with a 17 mm hole outside the center of a steel plate having a thickness of 6 mm, a width of 36 mm, and a length of 54 mm. A collar having an inner diameter of 13 mm and a height of 8 mm was attached to the drilled hole. A headless bolt 15 having a thickness of 11 mm and a length of 60 mm was fixed to the other side of the hole of the slide washer 14. The slide washer 14 was pivotally attached to the long nut 12 of the driving fitting 11 with a bolt 17 from above.

  As shown in FIG. 2, the washer 18 attached to the bolt 15 fixed to the other end of the slide washer 14 is a square washer having a width of 90 mm and a length of 88 mm, and has an elastic buffer on the side in contact with the wall surface of the panel. As a member, a synthetic rubber having a width of 20 mm and a length of 80 mm was attached. As shown in FIG. 2, the elastic buffer member may be not only a square shape but also a circular elastic buffer member. As a nut to be screwed to the bolt 15 fixed to the other end pivotally attached to the driving metal fitting 11 of the slide washer 14, a long nut having a diameter of 11 mm and a length of 50 mm was screwed.

  FIG. 3 shows a state in which the driving metal fitting 11 of the scaffolding metal fitting 100 of the present invention is embedded in the panel 22. When connecting the scaffolds, as shown in the slide washer 14a, the slide washer 14 of the driving metal fitting 11 is rotated so as to be perpendicular to the wall surface of the panel, and the bolt 15 is taken out from the wall surface of the panel 22 for use. . When not in use, the slide washer 14b is stored so as to be parallel to the wall surface of the panel. In this way, the slide washer 14 is housed between the panels, and the joints are filled with elastic rubber or the like in the gap between the panels. By removing the, the slide washer 14 of the scaffold metal fitting 100 can be easily pulled out and used.

  The outer wall panel for embedding the anchoring metal fitting 11 of the scaffolding metal fitting 100 may be any as long as the driving metal fitting 11 of the anchoring metal fitting 100 can be embedded regardless of the material and structure. For example, a precast concrete (PC) panel, an ALC panel, an extrusion cement board, etc. can be illustrated. Further, the outer wall panel is not particularly limited to the wall, and the driving fitting of the present invention can be embedded in a pillar material or the like. A predetermined scaffold can be used if it is embedded in accordance with the distance and number of the pillars of the predetermined scaffold depending on the number of pillars of the scaffold depending on the number of the pillars of the scaffold embedded in the outer wall panel. The joint between the panels is preferably a synthetic rubber having elasticity, and is preferably a weather resistant synthetic rubber or a synthetic sponge because it is exposed to the outside air for a long time.

FIG. 4 shows a state in which the slide washer 14 of the scaffolding tie 100 embedded in the panel 22 is pulled out and the square washer 18 and the long nut 19 are attached. When the wall surfaces are stacked by using the panel 22 in which the driving metal fitting 11 of the scaffolding metal fitting 100 is embedded, the scaffold can be connected only to the height portion of the panel.

FIG. 5 is a side view showing a state in which the slide washer 14 of the anchoring bracket 100 embedded in the panel 22 is pulled out and the square washer 18 and the long nut 19 are attached. In this way, it is desirable to attach an elastic member as a buffer member to the washer 18 that contacts the wall surface. The washer 18 used here is not limited to a square shape but may be a round shape, but it is desirable to use a size that does not damage the wall surface.

  FIG. 6 shows a method of connecting the connecting bolt 23 connected to the scaffolding column 24 to the panel 22 in which the driving fixture 11 of the scaffolding fitting 100 is embedded. A square washer 18 and a long nut 19 are attached to a bolt 15 fixed to a slide washer 14 that is pivotally attached to a driving bracket 11 embedded in a panel 22, and the long nut 19 is connected to a scaffolding column 24. By screwing the connecting bolt 23, the scaffolding pillar 24 is stably held. When removing the scaffold, the connecting bolt 23 connected to the scaffolding pillar 24 can be easily removed by removing it from the long nut 19. Thereafter, if the slide washer 14 is turned into the panel 22 and the joint 25 is formed, the slide washer 14 will not stand out and can be reused.

FIG. 1 is an exploded perspective view of a scaffolding bracket. FIG. 2 shows a perspective view in which a cushioning material is attached to a washer. FIG. 3 is a perspective view of a panel in which a driving fitting for a scaffolding joint is embedded. FIG. 4 is a perspective view showing a state in which the anchoring metal fittings are embedded in the panel, and washers and long nuts are attached to the metal fittings. FIG. 5 shows a cross-sectional view of a state in which a driving fitting for a scaffolding tie is embedded in a panel, and a washer and a long nut are attached to the driving fitting. FIG. 6 is a perspective view showing a state in which a driving fitting for the anchoring metal fitting is embedded in the panel, and a coupling bolt of the scaffolding is connected to a long nut attached to the driving metal fitting.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100: Scaffolding metal fitting 200: External wall panel 11 with embedded anchoring metal fitting 11: Driving metal fitting 12: Long nut 13: Washer 14: Slide washer 15: Bolt 16: Collar 17: Bolt 18: Washer 19: Long nut 21 : Buffer member 22: Panel 23: Connection bolt 24: Scaffolding pillar 25: Joint

Claims (5)

A driving metal fitting for embedding in a panel having a long nut fixed to a steel plate, a slide washer having a hole pivotably attached to the long nut of the driving metal fitting by a bolt, and the other of the holes of the slide washer Bolts are fixed to the ends, and the collars to be attached to the holes, and the scaffolding brackets consisting of washers and long nuts to be attached to the bolts . When not in use, the slide washer is stored in parallel with the wall surface. slides washer pull from the wall is fitted with a washer secured to a bolt in the slide washer fixed with the nut, the scaffold joint bracket, wherein the connecting scaffolding connection bolt through the length nut . The scaffolding bracket according to claim 1, wherein an elastic buffer member is attached to a washer to be attached to a bolt of a slide washer. 2. The scaffolding bracket according to claim 1, wherein the washer attached to the bolt of the slide washer is a square washer. 4. A scaffolding bracket according to any one of claims 1 to 3, wherein said anchoring bracket is embedded, and a slide washer is pivotally attached to said embedded bracket. Exterior wall panel. The outer wall panel having a scaffolding metal fitting according to claim 4, wherein the outer wall panel in which the scaffolding metal fitting is embedded is a precast concrete panel.

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