KR200483185Y1 - Built Type Scaffold having Fall and Drop Prevention Net - Google Patents

Built Type Scaffold having Fall and Drop Prevention Net Download PDF

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Publication number
KR200483185Y1
KR200483185Y1 KR2020150005997U KR20150005997U KR200483185Y1 KR 200483185 Y1 KR200483185 Y1 KR 200483185Y1 KR 2020150005997 U KR2020150005997 U KR 2020150005997U KR 20150005997 U KR20150005997 U KR 20150005997U KR 200483185 Y1 KR200483185 Y1 KR 200483185Y1
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KR
South Korea
Prior art keywords
safety net
vertical
safety
wire
hanger
Prior art date
Application number
KR2020150005997U
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Korean (ko)
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KR20170001001U (en
Inventor
박영훈
윤만
안우근
Original Assignee
현대엔지니어링 주식회사
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Priority to KR2020150005997U priority Critical patent/KR200483185Y1/en
Publication of KR20170001001U publication Critical patent/KR20170001001U/en
Application granted granted Critical
Publication of KR200483185Y1 publication Critical patent/KR200483185Y1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G5/00—Component parts or accessories for scaffolds
    • E04G5/001—Safety or protective measures against falling down relating to scaffoldings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/32—Safety or protective measures for persons during the construction of buildings
    • E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines

Abstract

This design is to prevent falling and to prevent workers from falling down by installing a safety net to trap the scaffold when the installation of the handrails is unsafe and to prevent the workers from falling down, Provide scaffolding.
The prefabricated scaffold provided with fall and fall prevention networks according to a suitable embodiment of the present invention comprises four vertically arranged vertically arranged vertically arranged square corners, a workpiece obliquely connected and assembled between neighboring vertical columns, A horizontal frame which is arranged at the upper part of the vertical frame and connected to the vertical column, a safety footrest supported by the horizontal frame, and a railroad guardrail installed at the upper end of the vertical frame, A triangular fixed frame for preventing the falling of the prefabricated scaffold in each of the four vertical columns; A safety net hanger having a lower end hinged to a lower side of the vertical column and an upper end hung up and inclined; A safety net hanger inner support wire, one end of which is connected to the upper end of the vertical column and the other end is connected to the upper end of the safety net hanger so as to maintain the inclined installation angle of the safety net hanger; A safety net hanger outer support wire which is connected to the antifriction triangular mount once and the other end is connected to the upper end of the safety net hanger so as to maintain the inclined installation angle of the safety net hanger; A safety net top connection wire connected to the top of each of the four safety net hooks to form a closed loop; Falling / falling preventive safety net that surrounds the vertical pillar circumference of four places by forming the fall / drop entrance by connecting the upper rope winding to the upper connection wire of the safety net by winding a certain amount at the upper end and winding the lower rope in the closed loop at the lower end. And is assembled and assembled.

Description

[0001] The present invention relates to a prefabricated scaffold having a fall and drop prevention network,

The present invention relates to a prefabricated scaffold in which a fall and a fall prevention network are installed. In particular, when a rail is prevented from being installed, if a rail is unsafe, a safety net is installed in a catching manner to surround the scaffold to prevent an accidental fall of the operator. And a fall-prevention and fall-prevention network capable of safely guarding against the occurrence of the accident.

The existing B / T (Built Type) scaffold is installed in four places, and the handrail is installed on the upper part of the rail column to prevent the operator from falling. In this case, even if the railroads are connected to each other, the shaking occurs due to the clearance of the rail connection point. In addition, if the handrail is arbitrarily dismantled due to the working conditions, the possibility of the operator falling is increased. In order to prevent this, it is necessary to install fall prevention facilities secondarily.

As a background to the present invention, Korean Patent Registration No. 10-1240317, a 'scaffold safety net installation device' has been proposed. This is provided in a brace fixed to a balcony rail to rotate the rotary bar for installing the safety net in one direction, thereby making it easier for an operator to work inside the building, thereby maximizing safety and work efficiency. However, since the background art is installed in a balcony rail, it has a disadvantage that it can not be used according to a work location.

Another background technology of the present invention is Korean Register Practical Registration No. 20-0408267, which proposes a foldable support for the installation of a safety net for a scaffold. This is because the end of the distal end support is pulled out from the rear end support by an antenna type and the distal end of the distal end support is fixed to the end of the safety end by a fixing ring, And a fixing member which is provided on the junction box so as to fix the junction box to the scaffold, so that the length of the support can be easily adjusted, so that a safety net is provided corresponding to the shape of the outer wall body It is possible to easily confirm whether or not the safety net is installed to a width suitable for the construction standard by confirming the drawing length of the support frame without generating a gap between the outer wall body and the safety net. When fixed, the volume becomes as small as possible, and it is easy to carry and store Point.

However, the latter background technology has a structure in which the safety net is supported in the form of a cantilever via the tip support, so that if the operator collides with the tip support collision, there is a risk of injury.

Korean Registered Patent Registration No. 10-1240317 (Scaffold Safety Net Installer) Korean Registration No. 20-0408267 (Folding Support for Installation of Scaffolding Safety Net)

This design is to prevent falling and to prevent workers from falling down by installing a safety net to trap the scaffold when the installation of the handrails is unsafe and to prevent the workers from falling down, The purpose is to provide scaffolding.

A prefabricated scaffold with fall and fall protection networks according to a preferred embodiment of the present invention,

Vertical frame composed of four vertically arranged columns vertically arranged at each corner of the square, a work piece assembled obliquely between adjacent vertical columns, a side lattice ladder connected to the vertical column, A safety footrest supported by a horizontal frame, and a handrail installed at an upper end of the vertical frame,

A triangular fixed frame for preventing falling of the assembled scaffold to be assembled to four vertical columns;

A safety net hanger having a lower end hinged to a lower side of the vertical column and an upper end hung up and inclined;

A safety net hanger inner support wire, one end of which is connected to the upper end of the vertical column and the other end is connected to the upper end of the safety net hanger so as to maintain the inclined installation angle of the safety net hanger;

A safety net hanger outer support wire which is connected to the antifriction triangular mount once and the other end is connected to the upper end of the safety net hanger so as to maintain the inclined installation angle of the safety net hanger;

A safety net top connection wire connected to the top of each of the four safety net hooks to form a closed loop;

Falling / falling preventive safety net that surrounds the vertical pillar circumference of four places by forming the fall / drop entrance by connecting the upper rope winding to the upper connection wire of the safety net by winding a certain amount at the upper end and winding the lower rope in the closed loop at the lower end. ≪ / RTI >
The safety net hanger includes a clamp detachably mounted on the vertical column, and a ring hanger having one end hinged to the clamp side and the other end having a circular ring for wire connection;
The trip prevention tripod is provided with an L-shaped fixed frame; An upper and a lower clamp joined to a vertical portion and a lower portion of a fixed frame; A fixed footrest screwed to the horizontal end of the fixed frame to be adjustable in height; And a wire fixing ring fixed to an upper end of the fixed footrest and connecting the lower end of the safety wire hanger outer support wire.

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According to the prefabricated scaffolding in which the fall of the present invention and the fall-prevention network are installed, a tripod-preventing tripod is provided to effectively prevent the prefabricated scaffold from being conducted.

In addition, when the installation of the handrails is unsafe, the safety net hooks and the wire means are assembled, and the safety net is installed in a catching manner that surrounds the scaffold, thereby preventing the operator from falling down and safely supporting the generation of falling objects I can prepare.

The following drawings attached hereto are illustrative of preferred embodiments of the present invention and together with the detailed description of the invention serve to further understand the technical idea of the present invention, Shall not be construed as limiting.
Fig. 1 is a perspective view of a prefabricated scaffold in which a fall and a fall prevention network are installed according to the present invention; Fig.
Figure 2 is a front view of Figure 1;
3 is a plan view of Fig.
Fig. 4 is a perspective view of a trip prevention fixture for preventing fall, which is applied to the present invention. Fig.
5 is a perspective view of a safety net hook applied to the present invention;
6 is a perspective view of a wire clip applied to the present invention;
Fig. 7 is a perspective view of the balustrade before the balustrade is installed in Fig. 1;
8 is a basic structural view of a prefabricated scaffold applied to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other aspects of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which: FIG.

As shown in FIG. 8, the prefabricated scaffold according to the present invention has four vertically arranged vertical columns 121 vertically arranged at square corners, and a plurality of vertically connected vertical columns 121 and 121, 122 connected to the vertical column 121 and a side lattice ladder 123 connected to the vertical column 121. The vertical frame 12 is connected to the vertical column 121, A safety footrest 16 supported by the horizontal frame 14 and a balustrade 18 assembled at the upper end of the vertical frame 12.

The vertical columns 121 are made of a metal pipe, and the work pieces 122 are installed on one surface of the vertical columns 121 in a pair so as to stably reinforce the standing posture of the vertical columns 121. Although two safety footrests 16 are provided in the present embodiment, they may be installed to be increased in accordance with the area size of the horizontal frame 14.

As shown in FIGS. 1 and 7, the present invention is additionally provided with a trip prevention fixture 20 for preventing the connection of the prefabricated scaffolds and for preventing connection of the outer support wires 26, which will be described later. The trip preventive triangular mount 20 is assembled and fixed to four vertical columns 121.

As shown in FIG. 4, the trip preventive triangular holder 20 includes an L-shaped fixed frame 201, upper and lower clamps 202 and 203 joined to the upper and lower portions of the fixed frame 201, And a wire fixing ring 205 fixed to the upper end of the fixing foot 204 to connect the lower ends of the safety wire hook outer supporting wires 26 to each other, Respectively. The clamps 202 and 203 have the same structure and are attached to the vertical column 121 by fastening the nut 2024 after connecting the divided bodies 2022 and 2023 to the hinge bolts 2021 as well known accessories used for connecting the scaffold pipes .

Since the trip preventive triangular mount 20 has the fixed foot 204 which is located a certain distance away from the vertical column 121, it prevents the prefabricated scaffold from being conducted.

On the other hand, the safety net hangers 22 are assembled and fixed one to one on the vertical columns 121. The safety net hanger 22 has a lower end hinged to the lower side of the vertical column 121 and an upper end hung up and sloped.

5, the safety net hanger 22 includes a clamp 221 having a hinge plate 221a so as to be detachably mounted on the vertical column 121 and a hinge pin 221a having one end connected to the hinge plate 221a on the side of the clamp 221, And a ring hanger 222 which is hingedly connected via a ring 223 to the other end and has a circular ring 222a for wire connection at the other end. The clamp 221 has the same structure as the clamps 202 and 203 except for the hinge plate 221a.

As shown in FIGS. 1 to 3, the safety wire hook inner support wire 24 is connected to the upper end of the vertical column 121. The safety wire hook inner support wire 24 has one end connected to the upper end of the vertical column 121 and the other end connected to the upper end of the safety wire hook 22. Therefore, the safety net hanger inner support wire 24 has a function of maintaining the oblique installation angle? 1 of the safety net hanger 22.

And the safety wire hook outer support wire 26 is connected to the trip preventive triangle 20. The safety wire hook outer support wire 26 is connected at one end to the trip prevention triangle 20 and at the other end to the upper end of the safety wire hook 22. Therefore, the safety net hanger outer support wire 26 has the function of maintaining the inclined installation angle? 2 of the safety net hanger 22.

Here, the safety wire hook inner support wire 24 and the safety wire hook outer support wire 26 are formed into a circular ring using the wire clip 27 shown in FIG. 6, and the length of the wire can be adjusted. The wire clip 27 is composed of a clip body 271, a U-shaped bolt 272 inserted into the clip body 271 and a tightening nut 273 screwed to both ends of the U-shaped bolt 272. Therefore, the wire 24 or 26 may be inserted into the U-shaped bolt 272 and then tightened with the tightening nut 273 to adjust the length of the wire while forming the circular ring.

The upper ends of the four safety net hooks 22 are connected to the safety net top connecting wires 28, respectively. The safety net top connection wire 28 forms a closed loop. This closed loop structure can use the same wire clip 27 as the wire for connecting the safety net upper end.

A safety net 30 for fall / fall prevention is connected to the safety net upper connection wire 28. [ The safety net 30 for fall / fall prevention is formed by winding a predetermined amount of the upper end to be connected to the safety net top connecting wire 28 by winding the upper rope 31 to form a fall / drop entrance, and a lower rope 32 And wrapped around the periphery of the four vertical columns 121 in the loop.

The prefabricated scaffold constructed as described above is assembled and fixed to each of the four vertical columns 121 by using the upper and lower clamps 202 and 203 after the vertical frame 12 is assembled, .

Thereafter, the safety net hooks 22 are assembled and connected to the four vertical pillars 121 by using the clamps 221, and then supported on the vertical pillars 121 by using the safety net hook inner support wires 24 Leave.

Then one end of the safety wire hanger outer support wire 26 is connected to the wire fixing ring 205 on the side of the triangular fixing table 20 for preventing the break and the other end is connected to the circular ring 222a of the safety wire hanger 22.

Next, the safety net 30 for preventing fall / fall is provided after connecting the safety net top connection wires 28 to the tops of the four safety net hooks 22, respectively. The safety net 30 for fall / fall prevention is formed by connecting the upper end of the safety net 30 to the safety rope upper connecting wire 28 by winding the upper rope 31 and connecting the lower end thereof to the lower rope 32, (121).

The assembled scaffold installed in this way can prevent accidental injury or falling accident because the worker inadvertently falls off the safety footboard 16 or supports the falling safety net 30 for falling or falling. On the other hand, when the safety net 30 for fall / fall prevention has heat resistance, it has an additional advantage of preventing weld defect.

Although the present invention has been described in detail with reference to the disclosed embodiments, those skilled in the art will be able to make various modifications and alterations without departing from the technical idea of the present invention will be. This invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

20: Anti-tip triangle
22: Safety net hanger
24: Safety wire rack inner support wire
26: Safety wire rack outer support wire
28: Safety net top connection wire
30: Safety net for fall / fall prevention

Claims (3)

Four vertical columns 121 vertically arranged at square corners respectively, a workpiece 122 obliquely connected and assembled between the adjacent vertical columns 121 and 121, a side connected to the vertical column 121, A vertical frame 12 constituted by a ladder for scaffolding 123, a horizontal frame 14 arranged on the upper part of the vertical frame 12 and connected to the vertical column 121, In the prefabricated scaffold provided with the safety footrest 16 and the balancer 18 provided at the upper end of the vertical frame 12,
A trip preventive triangular mount 20 installed on four vertical columns 121 to prevent the assembled scaffold from being turned off;
A safety net hanger (22) hinged to a lower side of a vertical column (121) at a lower end thereof and sloped upward at an upper end thereof;
A safety net hanger inner support wire 24 which is connected at one end to the upper end of the vertical column 121 and at the other end to the upper end of the safety net hook 22 to maintain the inclined installation angle of the safety net hook 22;
A safety net hanger outer support wire 26 which is connected to the anti-tip triangle 20 at one end and is connected to the upper end of the safety net hanger 22 to maintain the inclined installation angle of the safety net hanger 22;
A safety net upper connecting wire 28 connected to upper ends of four safety net hooks 22 to form closed loops;
The lower end of the lower rope 32 is wound in a closed loop to form a fall / drop entrance, and the lower end of the lower rope 32 is wound in a closed loop, And a safety net (30) for fall / fall prevention surrounding the side periphery of the safety net (30).
The safety net hook 22 includes a clamp 221 detachably mounted on the vertical column 121 and having a hinge plate 221a and one end connected to the hinge plate 221a and the hinge 223 on the side of the clamp 221 And a ring hopper 222 having a circular ring 222a for wire connection at the other end;
The trip preventive tripod mount 20 includes an L-shaped fixed frame 201; Upper and lower clamps 202 and 203 joined to a vertical portion and a lower portion of the fixed frame 201; A fixed foot plate 204 screwed to the horizontal end of the fixed frame 201 to be adjustable in height; And a wire fixing ring (205) fixed to an upper end of the fixed footrest (204) and connecting the lower end of the safety wire hanging outer support wire (26). delete delete
KR2020150005997U 2015-09-08 2015-09-08 Built Type Scaffold having Fall and Drop Prevention Net KR200483185Y1 (en)

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KR2020150005997U KR200483185Y1 (en) 2015-09-08 2015-09-08 Built Type Scaffold having Fall and Drop Prevention Net

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KR200483185Y1 true KR200483185Y1 (en) 2017-04-12

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KR102056565B1 (en) * 2019-04-08 2019-12-16 김소중 Dust layer for preventing paint mist scattering
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KR101884626B1 (en) * 2017-09-28 2018-08-02 유남호 Scaffold connected by the rack method
KR101912178B1 (en) * 2017-09-28 2018-10-26 유남호 Safety handrail with foldable two-stage structure
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CN109441092B (en) * 2018-11-22 2021-01-15 福州鼓楼纹英建筑工程有限责任公司 Butt joint hinge structure of two adjacent net hanging rods of falling object protection net
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Cited By (2)

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Publication number Priority date Publication date Assignee Title
KR102056565B1 (en) * 2019-04-08 2019-12-16 김소중 Dust layer for preventing paint mist scattering
CN111074785A (en) * 2020-01-18 2020-04-28 代国治 Suspension construction platform for bridge

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