JPH084276A - Temporary scaffold structure for ceiling of building unit - Google Patents

Abstract

PURPOSE:To enhance the safety of work by laying a plurality of temporary beams between a pair of ceiling beams in parallel to each other, and engagingly locking a plurality of scaffold boards between the temporary beams by engaging claws provided on the upper surfaces of the temporary beams to support them by the temporary beams. CONSTITUTION:A plurality of temporary beams 2 are laid between a pair of ceiling beams 15a, 15b of a building unit in parallel to each other, a plurality of scaffold boards 5 are arranged between the mutually adjacent temporary beams 2. A plurality of engaging claws 31 are mounted out the upper surface of the temporary beam 2, and the engaging claws 31 are engaged with locking holes 51 formed on the edge part of the scaffold board 5. Each pair of slide regulating pins 322 for regulating the slide of the scaffold boards 5 are provided in the direction orthogonal to the extending direction of each temporary beam 2 for supporting the scaffolds 5, and the opposed edge parts of the scaffold boards 5 are supported by each one temporary beam 2. Thus, the number of working processes can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a temporary ceiling scaffolding structure for a building unit used at a construction site such as a unit house.

[0002]

2. Description of the Related Art As for unit buildings such as so-called unit houses, for example, as shown in Japanese Patent Publication No. 62-62224, those building units which are produced in a factory and which can be transported are factory-produced and carried into a construction site. It is built by the method of assembling the units one by one.

By the way, assembling work carried out at a construction site includes installation of building units and various works in each building unit. Then, when the building unit is carried in in a skeleton state, a special temporary scaffold structure for performing the work from the inside of the building unit is required.

As this temporary scaffold structure, for example, there is a ceiling temporary scaffold structure of a building unit as shown in Japanese Patent Application No. 5-114581.

In this type, a plurality of temporary beams are laid across a pair of ceiling beams forming a part of the ceiling structure of the building unit in parallel with each other at a predetermined interval, and are made wider than the predetermined interval. A plurality of scaffolding plates are arranged between the temporary beams adjacent to each other, and the scaffolding plate is formed in a state in which the edge portion of the scaffolding plate is locked to the temporary beams by the locking means provided on the upper surface of the temporary beam. The temporary beams are supported.

Further, a plurality of engaging claws that engage with the end edge portion of the scaffold plate from above and one side of the scaffold plate are attached to the upper surface of the temporary beam, and are formed at the end edge portion of the scaffold plate. A plurality of slide regulating pins that cooperate with the engaging claws to regulate the horizontal sliding of the scaffolding plate while being inserted into the locking hole from below along the extending direction of the temporary beam. It is erected on the upper surface of the temporary beam. Therefore, there is an advantage that it can be easily installed in a stairwell for providing stairs and the work safety can be secured.

[0007]

However, in the ceiling temporary scaffolding structure for a building unit as described above, the facing end edges of the scaffolding plates arranged in the direction orthogonal to the direction in which the temporary beam extends are different from each other. Since the temporary beams are supported by the temporary beams, the temporary beams may be bridged over each other, and if there is a gap between the scaffolding plates, there is a risk of stepping out of the gap. There is also a problem in that the number of temporary beams increases and man-hours are required.

The present invention was created in consideration of the above circumstances, and an object thereof is to provide a temporary ceiling scaffolding structure for a building unit capable of improving work safety and reducing work man-hours. To do.

[0009]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a plurality of temporary beams that are parallel to each other with a predetermined space between a pair of ceiling beams that form a part of the ceiling structure of a building unit. A plurality of scaffolding plates that are bridged and are wider than the predetermined interval are arranged between the temporary beams that are adjacent to each other, and the edge portions of the scaffolding plates are temporarily fixed by locking means provided on the upper surface of the temporary beams. A ceiling temporary scaffolding structure of a building unit in which the temporary scaffolding plate is supported by the temporary beam in a state of being locked to a beam, and engages with an edge portion of the scaffolding plate from above and one side of the scaffolding plate. A plurality of engaging claws are attached to the upper surface of the temporary beam, and the engaging claws cooperate with the engaging claws in a horizontal direction of the scaffolding plate in a state where the engaging claws are inserted into the locking holes formed at the end edges of the scaffolding plate. A plurality of sliding regulation pins for regulating the sliding of the temporary beam along the extending direction of the temporary beam. In the temporary ceiling scaffolding structure of a building unit erected on the upper surface, a pair of the slide regulating pins are provided in a direction orthogonal to the extending direction of the temporary beam, and one temporary beam extends in the extending direction of the temporary beam. It is characterized in that opposite end edges of the scaffolding plates arranged in orthogonal directions are supported.

[0010]

According to the present invention, the pair of slide regulating pins for regulating the sliding of the scaffold plate are provided in the direction orthogonal to the extending direction of the temporary beam supporting the scaffold plate. And each one
Since the opposite ends of the scaffolding plates arranged in the direction orthogonal to the extending direction of the temporary beams are supported by the temporary beams of the book, no gap can be formed below the opposite ends of the two scaffolding plates. . Further, since one temporary beam supports the opposite edge portions of the two scaffolding plates, the number of temporary beams used can be small.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the embodiments shown in the drawings.

First, a building unit to which the present invention is applied will be described with reference to FIG. In the figure, 1 is a building unit of a frame type, and this building unit 1 has four pillars 11 made of square steel arranged at four corners, and the lower end and the upper end of these pillars 11 are U-shaped in cross section. The structure is such that the floor beams 12 and the ceiling beams 15 made of the shaped steel are connected to each other. A plurality of floor girders 13 are laid at predetermined intervals between the floor beams 12, 12 located on the end face side, and between the ceiling beams 15, 15 also located on the end face side. Except for the stairwell portion A, a plurality of ceiling girders 16 are spanned at predetermined intervals. The upper surface of the ceiling beam 16 is lower than the upper surface of the ceiling beam 15 by h.

When the building unit 1 having such a structure is a lower-floor building unit having a stairwell portion A on the ceiling structure, a similar staircase connected to the stairwell portion A is provided above the building unit 1. The stairwell has a floor girder 13 similar to the building unit 1 in the stairwell.
And an upper floor building unit (not shown) without the floor joists 14 is installed.

Next, the structure of the temporary ceiling scaffolding of the building unit used for the ceiling production work in the stairwell portion A of the building unit 1 in such a situation will be described with reference to FIGS.

As shown in FIG. 6, between the pair of ceiling beams 15a and 15b forming part of the ceiling structure of the building unit 1,
A plurality of temporary beams 2 are bridged in parallel with each other at a predetermined interval (shown by d in FIG. 5).

The temporary beam 2 is, as shown in FIGS.
It is composed of a temporary beam body 3 and support plates 4 attached to both ends of the temporary beam 3.

The temporary beam main body 3 is made of shaped steel having a closed cross-section R-shape, its length is slightly shorter than the distance between the ceiling beams 15a and 15b, and both ends thereof are ends of the upper surface portion. The edge portion 3b of the lower surface portion is inclined toward the center side rather than the edge portion 3a.

The support plate 4 is provided with a weld nut 4a as shown in FIG.
edge portion 3a of the upper surface portion of the temporary beam 3 by a and the bolt B1.
Attached to. The outer edge 4b is bent and supported by the ceiling beam 15b from below. A hard rubber material 4c as a cushioning material is attached to the lower surface side of the outer edge 4b.

The ceiling beams 15a, 15 are spaced at a predetermined interval.
A plurality of scaffolding plates 5 having a width wider than the predetermined distance d is provided between the temporary beams 2 and 2 which are bridged in parallel with each other between b.
However, as shown in FIG. 5, they are arranged sequentially.

In order to attach these scaffold plates 5, the following locking means 31 and 32 are attached to the upper surface of the temporary beam main body 3.

That is, as shown in FIG. 2, the locking means 3
Reference numeral 1 denotes an engaging claw that engages with the end edge portion of the scaffolding plate 5 from above and one side (direction indicated by an arrow in the figure) of one end edge portion of the scaffolding plate 5, and on the upper surface of the temporary beam main body 3. It is joined to the part by welding.

The locking means 32 cooperates with the engaging claw 31 in a state of being inserted from below into a locking hole 51 formed in the edge portion of the scaffolding plate 5, and slides the scaffolding plate 5 in the horizontal direction. It is a sliding regulation part that regulates movement.

The sliding restrictor 32 is attached to the upper surface of the temporary beam main body 3 by welding at a predetermined interval in a direction orthogonal to the direction in which the temporary beam 2 extends by welding.
And a weld bolt 322 as a slide regulating pin fixed to both wings of the mounting plate 321 from below. That is, the slide regulating pins 322 for regulating the slide are provided on both sides in the extending direction of the temporary beam main body 3.

With such a structure, the scaffolding plate 5 is supported by the temporary beam 2 in a state where the end edge portion of the scaffolding plate 5 is locked to the temporary beam 2. Moreover, as shown in FIG. 4, the opposite end edges 5a and 5b of the scaffolding plate 5 arranged by the one temporary beam 2 in a direction orthogonal to the extending direction of the temporary beam 2.
To support.

Next, the operation of the temporary ceiling scaffolding structure of the building unit having such a structure will be described.

A pair of slide regulating pins 322 for regulating the sliding of the scaffolding plate 5 are provided in a direction orthogonal to the extending direction of each temporary beam 2 supporting the scaffolding plate 5.

Then, each of the temporary beams 2 supports the opposite end edge portions of the scaffolding plate 5 arranged in the direction orthogonal to the extending direction of the temporary beams 2.

As a result, the upper surface of the temporary beam main body is always located below the facing edge portions 5a and 5b of the two scaffold plates 5, and no gap is formed.

Furthermore, since one temporary beam 2 supports the opposite end edges 5a and 5b of the two scaffolding plates 5, the number of temporary beams 2 used can be reduced.

As a result, the safety of various works in the stairwell portion A of the building unit 1 can be improved. Furthermore, since the number of temporary beams 2 carried into the stairwell can be reduced, it is possible to reduce the man-hours involved.

The present invention is not limited to the above-mentioned embodiments, and includes design changes made by those skilled in the art. For example, in the above-described embodiment, the sliding restriction pin 322 is a weld bolt erected from below, but a stiff hole is provided in the support plate, and a bolt that loosely fits into the stagger hole from above is used as a scaffold. You may make it penetrate from the upper surface part of a board.

[0032]

As described above, according to the temporary ceiling scaffolding structure for a building unit according to the present invention, the sliding of the scaffolding plate is regulated in the direction orthogonal to the extending direction of the temporary beam supporting the scaffolding plate. A pair of sliding regulation pins are provided, and each one temporary beam supports opposite end edge portions of the scaffolding plate arranged in a direction orthogonal to the extending direction of the temporary beam. Since there is no gap below the opposite end edges, one temporary beam supports the opposite end edges of the two scaffolding plates.
The number of temporary beams used is also small. Therefore, there is an effect that the safety of the work on the ceiling of the building unit can be improved and the number of work steps can be reduced.

[Brief description of drawings]

FIG. 1 is a plan view (A) and a side view (B) showing a temporary beam.

FIG. 2 is a sectional view taken along the line II-II in FIG.

FIG. 3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a schematic plan view showing how the temporary ceiling scaffolding structure of the building unit is used.

FIG. 5 is a schematic perspective view showing an arrangement state of scaffolding plates.

FIG. 6 is a schematic perspective view showing an arrangement state of temporary beams.

FIG. 7 is a schematic perspective view of a building unit.

[Explanation of symbols]

 1 building unit, 15a, 15b a pair of ceiling beams, 2 temporary beams, d predetermined spacing, 5 scaffolding plates, 5a, 5b facing edge portions, 51 locking holes, 31 engaging claws (locking means), 32 Stopping means, 321 mounting plate, 322 weld bolt (sliding restriction pin).

Claims (1)

[Claims] 1. A plurality of scaffolding boards having a width wider than the predetermined interval, wherein a plurality of temporary beams are bridged in parallel with each other between the pair of ceiling beams forming a part of the ceiling structure of the building unit at predetermined intervals. Are disposed between the temporary beams adjacent to each other, and the scaffolding plate is fixed to the temporary beam with the edge portion of the scaffolding plate locked to the temporary beam by the locking means provided on the upper surface of the temporary beam. A ceiling temporary scaffolding structure of a building unit to be supported, wherein a plurality of engaging claws that engage with an edge of the scaffold plate from above and one side of the scaffold plate are attached to an upper surface of the temporary beam, A plurality of slide regulating pins that regulate the horizontal sliding of the scaffolding plate in cooperation with the engaging claws while being inserted into the locking holes formed at the edge of the plate are the temporary beams. In the ceiling temporary scaffold structure of the building unit erected on the upper surface of the temporary beam along the extending direction of, A pair of the slide restricting pins are provided in a direction orthogonal to the extending direction of the temporary beam, and the opposite ends of the scaffolding plate are arranged by one temporary beam in a direction orthogonal to the extending direction of the temporary beam. Temporary scaffolding structure for building units, which supports the edges.