JPH08326296A - Expandable temporarily built plinth - Google Patents

Abstract

PURPOSE: To provide a temporary built plinth to be usable in a plurality of places wherein a distance between two stay pipes for an assembly scaffolding on which the plinth is mounted. CONSTITUTION: This temporarily built plinth 1 comprises a hollow extrusion material provided at the interior with a horizontal partition wall 4, three first plinth members 2A and 2B arranged in series, a square cylindrical extrusion material, and four second plinth members 3A and 3B fitted in an astride state in the hollow parts of the adjoining first plinth members 2A and 2B. The second plinth members 3A and 3B are fixed to the first plinth member 2B on both the right and the left side and mutually slidable over the central first plinth member 2A. The upper second plinth member 3A is opened upward and has a recess groove 5 for stopper escape extending in the direction of length. Stoppers 6 and 7 for slip prevention engaged with each other are mounted on parts positioned facing the tip part of the recess groove 5 and the two end parts of the central first plinth member 2A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a skirting board mainly used as a temporary material at a construction site, and more specifically, to a side edge of a scaffold plate in an assembly scaffold or a lower edge of a handrail, or during construction. The temporary skirting board provided on the periphery of the material elevating / lowering opening opened on the floor surface of the structure, and used for preventing the falling of objects and ensuring the safety of workers.

[0002]

2. Description of the Related Art At a construction site, particularly a site involving high-rise work such as a high-rise building, a skirting board is provided on a side edge portion of a scaffolding plate from the viewpoint of preventing falling of objects and ensuring worker safety. Has been done conventionally.

A conventional temporary skirting board used for such an assembly scaffold is a wooden or metal plate,
It is widely known that the metal fittings provided on both ends of the scaffolding plate can be attached to, for example, two support pipes located at both ends of the scaffolding plate.

[0004]

However, in the case of the above-mentioned conventional temporary skirting board, since the length thereof is constant, if the distance between the two support pipes or the like to which the skirting board is to be attached is different. , It was troublesome to prepare the one with the length corresponding to it.

The present invention has been made in view of the above points, and can be used in a plurality of places where the distance between two support pipes of an assembly scaffold to which a skirting board is to be attached is different. The purpose is to provide a convenient temporary skirting board.

[0006]

The stretchable temporary skirting board of the present invention comprises a plurality of first skirting boards made of a hollow plate-shaped extruded material having one or more horizontal partition walls inside and arranged in series. And a second skirting board member made of extruded material in the shape of a rectangular tube or a rectangular rod and fitted across the respective hollow portions of the adjacent first skirting board members. Is fixed to either one of the adjacent first skirting board members fitted in and is slidable relative to the other, and the uppermost second skirting board member is upward or side. And a stopper relief groove extending in the lengthwise direction, the tip of the groove and the portion of the inlet end of the other first skirting member facing the groove are mutually opposed. Each one has a stopper to prevent it from engaging. .

As a material of the first skirting board member, preferably,
Aluminum (including aluminum alloys; the same applies hereinafter)
An extruded shape is used, but a plastic extruded product may be used. The first skirting member is preferably two, and more preferably three.
Although it is provided individually, more may be provided. The height of the first skirting board member is usually 50 mm to 300 mm.
The width of the first skirting board member is usually 10 mm to 30 m.
m. Normally, only one horizontal partition is sufficient, but it is necessary to secure strength such that the side wall of the first skirting member is not easily plastically deformed by an external force. Therefore, the height, width and thickness of the first skirting member are required. Depending on the case, two or more may be provided.

The material of the second skirting board member is preferably an aluminum extruded shape as in the first skirting board member, but may be a plastic extruded product. The second skirting board member may have a shape having a recessed groove that should be used at the top.

Examples of means for fixing the second skirting board member to the first skirting board member include a rivet joint and welding.

As the stopper for preventing slipping out, for example, rivets, bolts, pins, etc. can be used. Alternatively, a metal material such as aluminum may be processed into a predetermined shape and attached by welding. .

The lengths of the first skirting board member and the second skirting board member are appropriately set so that the total length of the skirting board can be changed within a predetermined range from 1000 mm to 4000 m, and preferably from 1500 mm. It is set so that it can be changed within a range of 2500 mm.

At both ends of the skirting board, attachment fittings for attaching to a support pipe or handrail of an assembly scaffold are usually provided.

[0013]

According to the retractable temporary skirting board of the present invention, a plurality of first skirting boards made of hollow plate-shaped extruded material having one or more horizontal partition walls inside and arranged in series, A second skirting board member which is made of an extruded material having a tubular shape or a rectangular bar shape and which is fitted across the respective hollow portions of the adjacent first skirting board members, and the second skirting board member is fitted with these. Since it is fixed to any one of the adjacent first skirting boards and is slidable with respect to the other, the total length of the skirting board can be arbitrarily changed within a predetermined range. .

Further, the uppermost second skirting board member has a recess groove for releasing the stopper which opens upward or sideways and extends in the lengthwise direction, and the tip of the recess groove and the first of the other side. Since interlocking stoppers that are engaged with each other are attached to portions of the inlet end of the skirting board that face the concave groove, the second skirting board can be removed from the hollow portion of the first skirting board. Absent.

[0015]

Embodiments of the present invention will now be described with reference to the drawings.

1 to 4 show an embodiment of a stretchable temporary skirting board according to the present invention, in which the skirting board (1) is
Three first skirting board members (2A, 2B, 2B) made of aluminum extruded material in the shape of a hollow plate having horizontal partition walls (4, 4, 4) inside and arranged in series, and square tubular aluminum Two upper and lower second skirting members (3A, 3A, 3B, 3B) that are made of extruded shape and that are fitted over each hollow portion of the adjacent first skirting members (2A, 2B; 2A, 2B) And are equipped with.

The second skirting board members (3A, 3A, 3B, 3B) are fixed to the first skirting board members (2B, 2B) on the left and right sides by a plurality of rivet joints (8 ...), and at the center It is made slidable with respect to one skirting board member (2A).

The upper second skirting board member (3A, 3A) has a stopper relief groove (5, 5) having a U-shaped cross section which is open upward and extends in the lengthwise direction.

At the tip of the groove (5, 5) and at both ends of the central first skirting member (2A) facing the groove (5, 5), stoppers for preventing slippage ( 6,6,7,7) are attached respectively. These stoppers (6,6,
7,7) rivets are drilled in the top wall of the first central skirting member (2A) and the bottom wall of the groove (5,5) of the uppermost second skirting member (3A, 3A). It is formed by inserting each of the holes from above from above, and the shaft end of the rivet that constitutes the stopper (6,6) is engaged with the head of the rivet that constitutes the stopper (7,7). (See FIGS. 3 and 4). The rivets forming the stoppers (6, 6, 7, 7) may of course have their shaft ends caulked.

At both ends of the skirting board (1), that is, at the outer ends of the first skirting board members (2B, 2B) on both left and right sides, metal fittings for two support pipes at both ends of the scaffolding board ( 9,9,9,9) are attached to each of the top and bottom. Mounting bracket (9, 9,
(9, 9) is provided with a pair of grips that can be opened and closed and fitted on the support pipe, and a connecting part that connects the free ends of the grips.

The first skirting member (2A, 2B, 2B) has a height of 200 m.
m, width 25 mm. The length of the central first skirting board member (2A) is 1000 mm, and the length of the left and right first skirting board members (2B, 2B) is 200 mm. Second skirting member (3A, 3A, 3B, 3
The length of B) is 550 mm, which is slightly shorter than the sum of the lengths of the three first skirting members (2A, 2B, 2B) divided by two.

The skirting board (1) is the longest in the state shown in FIG. 1, and its total length is 2000 mm. This time
Since the stoppers (6,6,7,7,) are engaged with each other, the second skirting board member (3A, 3A, 3B, 3B) is the first skirting board member (2A, 2B, 2B).
It does not come out of the hollow part of.

On the other hand, the skirting board (1) is the shortest in the state shown in FIG. 2, and its total length is 1400 mm. At this time, the second skirting board member (3A, 3A, 3B, 3B) is the first skirting board member (2
It is completely contained in each hollow part (A, 2B, 2B) and does not appear on the surface at all.

FIG. 5 shows a use state of the temporary skirting board (1). The skirting board (1) has two support pipes (10, 10) whose entire lengths are located at both ends of the scaffolding plate (11). ) After sliding the second skirting board members (3A, 3A, 3B, 3B) to the first skirting board member (2A) in the center in the required direction by a required distance so that the distance is almost the same. , The outer scaffolding board by attaching to the two outer strut pipes (10, 10) with the mounting brackets (9, 9, 9, 9) at both ends.
It is located at the outer edge of (11).

[0025]

According to the retractable temporary skirting board of the present invention, the total length of the skirting board can be arbitrarily changed, for example, by sliding the second skirting board member with respect to the first skirting board member. Since it can be used, it can be used in a plurality of places where the distance between the two support pipes of the assembly scaffold to which the skirting board is to be attached is different, which is convenient.

Further, since the second skirting board member is prevented from coming off from the hollow portion of the first skirting board member by the stopper for removal, the safety is excellent.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a stretchable temporary skirting board according to the present invention is at its longest position.

FIG. 2 is a perspective view showing a state in which the temporary skirting board is in the shortest state.

FIG. 3 is a vertical cross-sectional view showing the inside of a central first skirting member in an enlarged manner.

FIG. 4 is a transverse sectional view taken along the line IV-IV in FIG. 3;

FIG. 5 is a perspective view showing a state in which a temporary skirting board is installed on an assembly scaffold.

[Explanation of symbols]

 (1)… Temporary skirting boards (2A, 2B)… First skirting board members (3A, 3B)… Second skirting board members (4)… Horizontal bulkheads (5)… Stopper relief groove (6) (7) )… Stopper to prevent slipping out

Claims (1)

[Claims] 1. A plurality of first skirting members (2A, 2B, 2B) which are made of a hollow plate-shaped extruded material having one or more horizontal partition walls (4, 4, 4) inside and are arranged in series. , A second skirting member (3A, 3A, 3A, which is made of extruded material in the form of a rectangular tube or a rectangular rod, and is fitted over each hollow portion of the adjacent first skirting members (2A, 2B; 2A, 2B).
B, 3B) and the second skirting member (3A, 3A, 3B, 3B)
Are the adjacent first skirting members (2A, 2
(B; 2A, 2B), it is fixed to either one (2B, 2B) and is slidable relative to the other (2A). , 3A) is a stopper relief groove that opens upward or sideways and extends in the length direction.
(5,5), and the end of the concave groove (5,5) and the portion of the inlet end of the other first skirting member (2A) facing the concave groove (5,5) A retractable temporary skirting board with stoppers (6,6,7,7) that engage with each other and are attached respectively.