JPH0726709A - Temporary scafold provided to flange or the like - Google Patents

Abstract

PURPOSE:To provide a temporary scafold to be provided to the flange of a H-beam or the like at a construction site consisting of grip hangers that can be quickly installed or fitted to the flange of a H-beam or the like with a simple constitution and scafolds being placed on the grip hangers. CONSTITUTION:A temporary scafold is made up of scafolds 2 and grip hangers 1, and the grip hanger 1 is made up of horizontal bars 3 and a pair of flange clamps 4 for holding the flange of a H-beam or the like together. The scafold 2 is placed on the horizontal bars 3 of the grip hanger 1. The horizontal bar 3 of the grip hanger has a pair of scafold-board stoppers for connecting or disconnecting the scafold board 6 right and left respectively. Further, the scafold board 6 of the scafold 2 has an openable scafold hatch 23, and the turning shaft of the scafold hatch 23 is made up of integrated fitting parts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary scaffold provided on a flange of H-shaped steel or the like used at a construction site or the like, and more particularly to a temporary scaffold attached to a flange or the like by a grip hanger.

[0002]

2. Description of the Related Art It is necessary to provide a movable temporary scaffold on a flange of H-shaped steel or the like which is erected on a construction site or the like. Independent small scaffolding such as temporary scaffolding is attached to the flange of H-shaped steel with conventional bolts and nuts and special metal fittings.
Had been removed.

[0003]

However, in the conventional temporary scaffolding, a large number of bolt nuts and parts are required for fastening to the flange of H-shaped steel or the like with bolts and nuts and special metal fittings. There was a problem that it was difficult.

Further, there is a problem that it is difficult to mount the movable small scaffold provided on the flange of the H-shaped steel or the like, because the width thereof varies.

Furthermore, the temporary scaffolding attached to the grip hanger is inconvenient to assemble and transport, and there is a problem that the safety of use is insufficient.

The present invention has a simple structure and can be installed quickly.
The purpose is to obtain a grip hanger that can be attached, is convenient for assembly and transportation, and is attached with a temporary scaffold.

[0007]

[Means for Solving the Problems] In order to achieve this purpose,
The present invention comprises a scaffold and a grip hanger, the grip hanger comprises a horizontal rod and a pair of flange clamps sandwiching a flange of H-shaped steel or the like, and the scaffold is a flange mounted on the horizontal rod of the grip hanger. It is a temporary scaffold provided in.

Further, the horizontal rod of the grip hanger has a pair of scaffolding plate stoppers for attaching and detaching scaffolding plates of scaffolding to the left and right respectively.

The horizontal rod and the flange clamp of the grip hanger are detachable or fixed.

For the scaffold, handrail support columns are detachably provided at the corners of the scaffold plate.

The scaffold is a scaffold in which a handrail such as a chain is hung between both ends of the scaffold plates facing each other.

Further, the scaffold is a scaffold having a scaffolding hatch that can be opened and closed, and a pivot shaft of the scaffolding hatch is composed of an integrally formed fitting portion.

[0013]

The grip hanger of the temporary scaffold sandwiches a flange of H-shaped steel or the like with a flange clamp.

Next, the grip hanger mounts and fixes the scaffolding plate of the scaffold on the left and right of each of the two horizontal rods.

The temporary scaffold mounted on the horizontal rod is provided with a handrail frame detachably, and a handrail such as a chain is hung between the two temporary scaffolds.

The scaffolding hatch provided on the scaffolding plate is rotated by an integrally molded fitting portion.

[0017]

1 is a perspective view of a temporary scaffold attached to an H-shaped steel flange, FIG. 2 is a front view of a grip hanger, and FIG. 2 is a front view of a flange clamp. 3, which is also a plan view,
FIG. 5 is a plan view of the scaffold, FIG. 6 is a front view of the scaffold, FIG. 7 is a partial cross-sectional explanatory view showing the rotating attachment part, FIG. 8 is a side view of the scaffold, and a partially enlarged plan explanatory view of the scaffold hatch. 9 and FIG. 10 which is a partially enlarged side view of the scaffold hatch.

The temporary scaffold comprises a grip hanger 1 and a scaffold 2.

The grip hanger 2 comprises a horizontal rod 3 and a flange clamp 4.

The horizontal rod 3 is composed of two parallel rods.

The first horizontal rod 3 is provided with end stoppers 7 at both ends of the rod and two intermediate stoppers 8 at the center of the rod. The width between the end stopper 7 and the intermediate stopper 8 is similar to the width of the scaffolding plate 6.

In the embodiment shown in FIG. 2, the horizontal rod 3 has scaffolds mounted and fixed on both sides thereof. The scaffolding plate 6 is placed between the end stopper 7 and the intermediate stopper 8 of the horizontal rod 3, and the scaffolding plate stopper 5 is provided with a U-shaped metal fitting 5a that opens downward on the scaffolding plate 6 side. Insert the pin 5b into this and pull the horizontal rod 2
And fix the scaffolding plate 6.

In another embodiment, each horizontal rod 3
Has scaffolding plate fasteners 5 at both ends thereof and a scaffolding plate fastener 5 at the center thereof. By the scaffolding plate stopper 5,
Insert the scaffolding plate 6 of the temporary scaffolding from both sides,
The scaffolding plate 6 may be fixed.

The horizontal rod 3 projects a plate-shaped mounting plate 10 downward. In this embodiment, the mounting plate 1
0 is detachably fixed to the mounting plate of the flange clamp 4 and a bolt nut or the like. In another embodiment, the horizontal rod 3 and the flange clamp 4 may remain fixed.

The flange clamp 4 slides two hollow prismatic bodies 11 projecting the gripping portion 12 to provide a female screw portion in one prismatic prism body 11 and has a tightening handle 28 at the end. The space between the gripping portions 12 of the two prismatic bodies 11 is adjusted by screwing with the tightening rod 29 that is a male screw portion.

The grip portion 12 is provided with a sandwiching surface 14 with a supporting portion 13 that is curved and obliquely facing the columnar surface of the prismatic body 11.

The two scaffolding plates 6 are flanges A made of H-section steel or the like.
And are fixed to the horizontal rod 3 by means of scaffolding plate stoppers 5 of the horizontal rod 3.

A handrail frame 9 is erected on the scaffolding plate 6. In this embodiment, the handrail frame 9 is attachable to and detachable from the four corners of the scaffolding plate 6, but may be upside down on the scaffolding plate 6.

The handrail frame 9 is inserted into a tubular base portion 15 provided at an end portion in the longitudinal direction of the scaffolding plate 6 to stand upright. The tubular base portion 15 is provided with a stopper 16 having an inclined surface on the inner side of the pipe and projecting freely by a spring, and is fitted into a hole at the lower end portion of the handrail frame 9 inserted from above.

In the handrail frame 9, the handrail pillars 17 standing upright in the far corners of the scaffolding plate 6 facing each other are formed high, and the handrail pillars 18 standing upright in the near corners are formed low, and the handrail pillars 17 are attached to the handrail pillars 17 Chain hooks 20 for hooking the sliding chain 19 are provided in the upper and middle stages. 21 is a brace pin.

Between the two scaffolds 3 facing each other, the handrail chain 19 is detachably hooked on the upper and middle chain hooks 20 of the upper hand and the middle hand, respectively.

The high handrail frame 9 rod of each scaffolding plate 6 is
The brace 22 is provided on the brace pin 21 in a horizontal manner in the upper stage and in an X shape in the middle stage.

An openable / closable scaffolding hatch 23 is provided at the center of the scaffolding plate 6 in the longitudinal direction. The scaffolding hatch 23 is a scaffolding plate 6
In the hook-shaped groove 25 of the rotary mounting portion 24 provided on the side.
It rotatably fits by. The rotary mounting portion 24 and the hook-shaped portion 26 are integrally formed of a material such as a steel plate.

The scaffolding hatch 23 is formed to have a width smaller than the width of the hole of the scaffolding plate 6 covered by the scaffolding hatch 23. Even when the scaffolding hatch 23 is closed, the long holes 30 are formed at the side ends of the scaffolding plate 6.
Is open.

27 is a latch hole. The latch hole 27 is
A plate-like body 31 urged by a spring 35 is provided below the plate. The plate-like body 31 has a finger hole 32 on the latch hole 27 side, the finger hole 32 having a diameter smaller than that of the latch hole. Is formed on the lower slope 33. The lower slope 33 of the plate-shaped body 31 is
When it is biased by the spring 35, it is in a position where it hits the hatch mounting piece 34 of the scaffolding plate 6.

Next, the operation of the embodiment of the present invention will be described.
The grip hanger 2 includes a horizontal rod 3 and a flange clamp 4.
Are fixed with bolts or the like via the mounting plate 10.

In the flange clamp 4, the tightening handle 28 is rotated, and the two prismatic members 11 are slid by screwing a female screw portion and a male screw. By sliding the two prismatic bodies 11, the gap between the gripping portions 12 fixed to each is narrowed, and the sandwiching surface 14 of the gripping portion 12 allows the flange A to move.
Pinch and press firmly to fix.

At this time, since the sandwiching surface 14 faces the prismatic body 11 side, the flange A is securely clamped to the grip portion 12.

Next, two scaffold plates 6 are laid over the two horizontal rods 3 in a direction perpendicular to the horizontal rods 3 with H-shaped steel sandwiched therebetween. The scaffolding plate 6 is placed between the two end stoppers 7 and the intermediate stopper 8 of the horizontal rod 3, the U-shaped metal fitting 5a provided on the lower surface is covered from above the horizontal rod 3, and the pin 5b is inserted.
Fix on the horizontal rod 3.

Further, in another embodiment, the scaffolding plate 6 may be fixed by the scaffolding plate fasteners 5 slidably fitted to the horizontal rod 3. In this case, the scaffold plate 6 is pressed by the tightening screw of the scaffold plate stopper 5, and fixed to the horizontal rod 3.

Next, tubular bases 1 at the four corners of each scaffolding plate 6
The handrail post 17 of the handrail frame 9 is inserted into 5 from above. The handrail post 17 is inserted by pushing the slope of the stopper 16 projecting in the tubular base 15 and retracting it against the spring. When pushed in as it is, the stopper 16 is automatically fitted into the hole of the handrail pillar 17 by the force of the spring, and the handrail frame 9 is fixedly erected on the scaffolding plate 6.

A brace 22 is locked to a brace pin 21 on the side of the scaffolding plate 6 opposite to the H-shaped steel in the lateral direction. The brace 22 has a horizontal upper part and an X-shaped middle part.

On the longitudinal side of the scaffolding plate 6, the chain 1 is attached.
9 is provided so as to extend between two scaffolds 2 facing each other. The chain 19 is hung between the chain hooks 21 provided in the upper and middle stages.

When the scaffolding hatch 23 is in the closed state, the plate-shaped body 31 is biased by the spring 35, so that the end of the plate-shaped body 31 hits the hatch mounting piece 34 and does not open upward. When opening the scaffolding hatch 23, insert a finger or the like through the finger hole 32 that overlaps the latch hole 27,
When the finger hole 32 is moved against the spring 35, the plate-like body 3
The scaffold hatch 23 can be opened upward because the end of 1 is separated from the hatch mounting piece 34.

Next, when the scaffolding hatch 23 is closed, the finger or the like is removed from the finger hole 32 and the spring 35 is closed while the end of the plate-like body 31 is closed.
4 hits from above, but since it is the lower slope 33, the spring 35 is pushed as it is and moved to the bottom of the hatch mounting piece 34, where the end of the plate-shaped body 31 is hatched again by the biasing force of the spring 35. It is located below the mounting piece 34 and does not open in a normal state.

The scaffolding hatch 23 has a cross-sectional shape as shown in FIG. 7, and has a protruding hook-shaped portion 26 and a rotation mounting portion 24 on the scaffolding plate 6 side.
When the scaffolding hatch 23 is opened, it rotates in this fitted state. Further, since the rotary mounting portion 24 and the hook-shaped portion 26 are formed by integral molding, damage due to rotation is small.

The scaffolding hatch 23 keeps the scaffolding plate 6 in the closed state.
The opening hole of is not completely closed, but the end is opened.
The worker works from this opening through the main rope, rope and the like.

As a result, the temporary scaffold can be fixed to the flange of H-section steel or the like.

[0049]

[Effect] Therefore, according to the temporary scaffolding of the present invention, the structure such as the flange of H-section steel or the like at the construction site can be provided with a simple structure,
This enables quick installation and installation, and improves work safety and work efficiency.

[Brief description of drawings]

FIG. 1 is a drawing showing an embodiment of the present invention, and is a perspective view when a temporary scaffold is attached to a flange of H-section steel or the like.

FIG. 2 is a front view of the grip hanger.

FIG. 3 is a front view of the flange clamp.

FIG. 4 is a plan view of a flange clamp.

[Figure 5] Plan view of scaffolding

[Figure 6] Front view of scaffolding

FIG. 7 is a partial cross-sectional explanatory view showing a rotary mounting portion.

FIG. 8 Side view of scaffold

FIG. 9 is a partially enlarged plan view of the scaffold hatch.

FIG. 10 is a partial enlarged side view of the scaffold hatch.

[Explanation of symbols]

 1 grip hanger 2 scaffolding 3 horizontal rod 4 flange clamp 5 scaffolding plate stopper 6 scaffolding plate 9 handrail frame 11 prismatic column 12 gripping part 15 tubular base 17 handrail post 18 handrail post 23 handrail chain 23 scaffolding hatch 24 pivoting mounting Part 26 Hook part 27 Latch hole 31 Plate

Claims (7)

[Claims] 1. A scaffold and a grip hanger, wherein the grip hanger comprises a horizontal rod and a pair of flange clamps sandwiching a flange of H-shaped steel or the like, and the scaffold is placed on the horizontal rod of the grip hanger. Temporary scaffolding provided on the flange, etc. 2. A temporary scaffold provided on a flange or the like according to claim 1, wherein the horizontal rod of the grip hanger is provided with a pair of scaffold plate stoppers for attaching and detaching scaffold plates of the scaffold on the left and right respectively. 3. A temporary scaffold provided on the flange or the like according to claim 1 or 2, wherein a horizontal rod of the grip hanger and a flange clamp are fixed. 4. A temporary scaffold provided on the flange or the like according to claim 1 or 2, wherein the horizontal rod of the grip hanger and the flange clamp are detachable. 5. The temporary scaffold provided on the flange or the like according to claim 1, claim 2, claim 3, or claim 4, wherein the scaffold is a scaffold in which a handrail pillar is detachably provided at a corner of a scaffold plate. 6. A temporary installation provided on a flange or the like according to claim 1, claim 2, claim 3 or claim 4, wherein the scaffold is a scaffold in which a handrail such as a chain is hung between both ends of facing scaffold plates. scaffold. 7. The scaffold has a scaffolding hatch that can be opened and closed on a scaffolding plate, and the pivot shaft of the scaffolding hatch is a scaffolding that is integrally formed with a fitting portion. A temporary scaffold provided on the flange or the like of claim 4.