KR100359934B1 - cantilever type horizontal scaffolding - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to horizontal scaffolding, which is a temporary construction required for maintenance and installation of buildings and bridges. Specifically, the beam is mounted on a flange of one side of a beam, preferably H beam, which is installed on a building or bridge. A fork groove is formed and a ring portion 4 positioned at the end of the support portion 14; A fastening part 3 which is movable on the left and right sides of the support part 14 and fastened by a bolt 7 on the other side of the flange; A support part 14 protruding in a cantilever manner and having a safety footrest installed therein; Consists of a cylindrical portion (5) is installed to be connected to the vertical member (9) at the end of the protruding support (14), there is an effect that can be easily installed directly at the required height without being installed on the ground.

Description

Cantilever type horizontal scaffolding

The present invention relates to a scaffold that is a temporary construction required for maintenance and installation of buildings and bridges. Since these scaffolds are temporary installations to facilitate the installation of workers' passages or facilities necessary for the safety diagnosis of construction works and bridges, they must safely support workers and other loads, and must be safely and quickly installed and dismantled.

Conventionally, single pipe scaffolding, which is mainly used as a scaffold, consists of a steel pipe and an accessory material forming a horizontal and vertical scaffold, and includes a clamp, a connecting pin, a base plate, and the like. Although it is effective to assemble freely, it needs to be assembled on the ground (base plate) to reach the required height. Especially, it requires excessive installation time and assembly labor to install scaffolding sequentially from the bottom of river or valley in bridge. There was a problem. In addition, there is a problem in that too many scaffolding system is installed regardless of the load conditions.

The present invention has been made to solve the above problems, an object of the present invention is to provide a cantilever-type horizontal scaffold that is easy to install and suitable for load conditions as used in the maintenance and installation of buildings or bridges.

1 is a perspective view of a cantilever horizontal scaffolding example 1 according to the present invention;

FIG. 2 is a detailed view of portion A in FIG. 1; FIG.

3 is a detailed view of portion B in FIG. 1;

4 is a detailed view of portion C in FIG. 1;

5 is a perspective view of a cantilever horizontal scaffolding example 2 according to the present invention;

6 is a detailed view of portion A in FIG. 5;

FIG. 7 is a detailed view of portion C in FIG. 5; FIG.

<Description of main parts of drawing>

1 ... H section steel, 2 ... cantilever horizontal scaffolding,

3 ... fasteners, 4 ... hooks,

5 cylinders, 6 holes,

7 bolts, 8 plates,

9 vertical fabric, 10 cylindrical part,

11 bolts, 12 nuts,

13 through hole, 14 support,

15 ... connections, 16 ... holes,

17 ... holes.

In order to achieve the above object, the cantilevered horizontal scaffold of the present invention is a beam (beam) installed in a building or bridge, preferably a groove is formed to fit on one side of the flange of the H-beam and located at the end of the support A loop portion, a fastening portion movable to the left and right on the support portion according to the width of the flange on the other side of the flange, fastened by bolts, a support portion protruding in a cantilever manner, and a safety footrest installed thereon, and a vertical member at the end of the protruding support portion. It includes a cylindrical portion that is installed in connection with.

Hereinafter, preferred embodiment 1 of the present invention will be described in detail with reference to the accompanying drawings.

1 shows a state in which the cantilevered horizontal scaffold 2, preferably made of a metal material, according to the present invention is installed in the H-beam 1, and FIGS. 2 to 4 show the cantilevered horizontal scaffold ( The details of the ring portion 4, the fastening portion 3, and the cylindrical portion 5 of 2) are shown.

The cantilevered horizontal scaffolding 2 is provided with a hook portion 4 and a fastening portion 3, and the cantilevered horizontal scaffolding straight to the required height by using a beam rapidly increasing as a main structure of a building or a bridge. 2) can be fixed. In addition, the cantilever-type horizontal scaffolding 2 has a support 14 protruding from a building or a bridge, and a safety scaffold is mounted on the upper portion thereof, and a column 10 is installed at the end of the support 14 so that the handrail is vertical. Combined with (9). Work passages and working spaces can be provided by the safety footrest and the vertical member 9 of this configuration.

As shown in FIG. 2, the hook portion 4 is integrally installed in an 'b' shape on one end of the support portion 14 and forms a groove together with the support portion 14 to form a beam of a building or a bridge. It is preferably fitted on one side of the flange of the H-beam to secure the cantilevered horizontal scaffold.

As shown in FIG. 3, a groove is formed in the fastening portion 3, and the groove can slide left and right while wrapping the flange portion of the support portion 14, which is preferably made of T-shaped steel. After adjusting left and right according to the flange width of 1), the fastening part 3 and the support part 14 are firmly fixed by the bolt 7. A metal plate 8 is inserted between the support 14 and the end of the bolt to apply a planar load to the upper surface of the support 14. After the fastening part 3 and the support part 14 are firmly fixed by the bolt 7, in this way, the fastening part 3 and the H-shaped steel 1 are fixed by another bolt 7, and the cantilever type is horizontal. The scaffold 2 is firmly fixed to the beam, preferably the H-beam 1, which is the main structure of a building or bridge.

As shown in FIG. 4, a safety scaffold (not shown) is installed at an upper portion of the support 14 protruding in a cantilevered manner, to provide a worker's passage or a work space required for a construction work and a safety diagnosis of a bridge. The cylinder 10 is integrally formed on the upper end of the support portion 14 so that the pipe-shaped vertical member 9 surrounds the cylinder 10 and penetrates the cylinder 10 and the vertical member 9. The bolt 11 and the nut 12 are fastened by the hole 13 to form a difficulty pipe so that the worker can work safely.

The support 14 is preferably made of T-shaped steel and chamfered at both ends, to avoid interference during installation and to prevent safety accidents during work. In addition, a plurality of holes 6 are formed in the web portion of the support portion 14, so that the weight of the cantilevered horizontal scaffold 2 is lightened, so that handling is simplified.

Hereinafter, a preferred embodiment 2 of the present invention will be described in detail with reference to the accompanying drawings.

5 to 7, the cantilevered horizontal scaffold 2 according to the second embodiment is made of fiber-reinforced plastic, unlike the cantilevered horizontal scaffold 2 according to the first embodiment, and the support 14 web The hole 6 for lightening the weight is unnecessary, and the ring portion 4 and the cylinder portion 5 are assembled with the bolt 11 and nut 12 so as to be detachable. The second embodiment will be described focusing on the configuration different from the first embodiment.

FIG. 5 shows a state in which the entire cantilevered horizontal scaffold 2 preferably made of fiber-reinforced plastics according to the present invention is installed in the H-beam 1, and FIGS. 6 and 7 show the cantilevered horizontal. Details of the annulus 4 and the cylinder 5 of the scaffold 2 are shown.

As shown in FIG. 6, the hook portion 4 is formed with a hole having a 'T' shape in cross section, surrounding the support portion 14 having a 'T' shape, and the hook portion 4 and the support portion 14. Removably assembled to the bolt (11) nut 12 through the holes (16, 17) respectively installed in the).

As shown in FIG. 7, a lower portion of the cylindrical portion 5 is provided with a connection portion 15 having a hole having a cross section of a 'T' shape, surrounding the support portion 14 having a 'T' shape, and the connecting portion ( 15 and the holes 14 and 17 are respectively detachably assembled to the bolts 11 and the nuts 12 through the holes 16 and 17.

The support 14 is preferably made of fiber-reinforced plastic and has a 'T' shape in cross section.

The cantilever-type horizontal scaffold configured as described in Embodiments 1 and 2 is provided with as many pieces as necessary for the work, and a scaffolding system is formed.

According to the present invention having the above-described configuration, it is possible to easily install immediately at the required height to provide a passage or facility installation work space of the worker required for the safety diagnosis of the construction work and bridge, and to create an optimal scaffolding system suitable for load conditions considering safety There is an effect that can be easily installed.

Claims (4)

Beams provided in buildings, bridges, etc. Preferably, the groove is formed to fit on one side of the flange of the H-shaped steel 1, and the ring portion 4 is located at the end of the support portion 14; A fastening part 3 which is movable on the left and right sides of the support part 14 and fastened by a bolt 7 on the other side of the flange; A support part 14 protruding in a cantilever manner and having a safety footrest installed therein; Cantilever horizontal scaffold, characterized in that consisting of a cylindrical portion (5) is installed to be connected to the vertical member (9) at the end of the protruding support (14). The method of claim 1, Cantilever horizontal scaffold, characterized in that the support 14 is made of T-shaped steel, a plurality of holes (6) are formed on the web surface of the support (14). The method of claim 1, Cantilever horizontal scaffold, characterized in that the hook portion (4) and the cylindrical portion (5) is detachably assembled to the support portion 14 as a bolt (11) nut (12). The method according to claim 1 or 3, Cantilever horizontal scaffold, characterized in that the support 14 is made of fiber-reinforced plastic.