KR100761558B1 - Bracket for establishment the dropping prevention net - Google Patents

Abstract

A bracket for installing a dropping prevention net is fastened to bolts buried in concrete and combined to clamps so as to install support bars to buildings. A bracket(10) for installing a dropping prevention net is a square metal tube and has a bolt hole(11) bored at the upper part thereof so that the bracket is engaged with a buried bolt(20) by a fixing bolt(12), a nut(13), and elongated nut(21). A clamp(30) is installed to the front center of the bracket by a bolt(31).

Description

Bracket for establishment the dropping prevention net}

1 is a side view showing a hanger bracket used in a conventional drop protection net installation.

Figure 2 is a perspective view of the fixture for installing the falling object prevention net according to an embodiment of the present invention.

Figure 3 is an assembled cross-sectional view showing an installation state of the fixture for installing the falling object prevention net according to an embodiment of the present invention.

4 is an enlarged cross-sectional view of the main part of FIG. 2;

5 and 6 are a perspective view and a side cross-sectional view showing a state of construction of the falling protection net according to an embodiment of the present invention.

Figure 7 is a perspective view showing a fixture for installing a falling object prevention net according to another embodiment of the present invention.

Figure 8 is an assembled cross-sectional view showing an installation state of the dropping device for installing the drop prevention net according to another embodiment of the present invention.

Figure 9 is a perspective view showing a building corner side fall prevention net construction state according to another embodiment of the present invention.

Figure 10 is an exploded perspective view showing a fixture for installing a drop preventing net according to another embodiment of the present invention.

Figure 11 is a sectional view showing the main part of the assembled state of the fixture for installing the drop prevention net according to another embodiment of the present invention.

<Brief description of symbols for the main parts of the drawings>

10: fastener 11: bolt hole

12: fixing bolt 13: tightening nut

14: fastening hole 15: through hole

16: support 17: support

18: connecting rod 19: connecting hole

20: embedded bolt 21: screw tube

22: long hole 30: clamp

31: Bolt 32: Nut

40: support bar 41: hinge

42: support pipe 50: drop prevention net

60: connecting pipe

The present invention relates to a fixture for installing an anti-dropping net, in particular, to support the support bar, such as slabs, window frames and balconies by coupling the fixture to the buried bolts embedded in the concrete construction of the building structure, and installing the support bar to the fixture The present invention relates to a fixture for installing an anti-dropping net, which makes it difficult to install a hanger bracket or prevents installation of a hook-type bracket.

In general, in order to ensure the safety of workers and pedestrians in the process of constructing a building structure, a fall prevention net is usually installed, and the fall prevention net is a worker that is generated when installing and dismantling members for constructing a building structure or painting the outer wall. It is installed to prevent safety accidents caused by falling and falling of members and appliances.

As shown in FIG. 1, the conventional fall prevention net installing structure is connected to a support bar by a known clamp 92 so as to have a predetermined inclination to a hanging bracket 91 fixed to a window frame or a balcony chin 9 of a building structure. 93, the support pipe 95 is connected to the intermediate point of the support bar 93, and the safety net 94 is installed so that it may be unfolded.

The hook type bracket 91 for installing the support bar as well as the conventional structure for installing an anti-drop material in this manner is pre-registered Patent Registration No. 10-645108, Patent Registration No. 10-488912, Patent Registration No. 10-540338 It is shown in the Japanese Patent Application Publication Nos. 10-2005-49325 and 10-2005-79935 and 10-2006-88083.

This conventional fall prevention net having the structure as described above could not be installed without the balcony chin (9) for fixing the hanging bracket (91) to the building structure.

In addition, if the installation of the bracket bracket fixed to the balcony jaw (9) or the window frame causes a problem in construction, the installation of the bracket does not allow the installation of the fall prevention net using the hanger bracket had a big problem.

In particular, in order to solve the real estate problem, the government's construction policy direction is shifting to the post-sale system for apartments, and construction companies have developed various air shortening methods to shorten the construction period in order to reduce construction costs. The situation is being implemented.

As an example, the building finishing work is performed together with the framing work in the construction process, so that the hanging bracket or the hanging bracket cannot be used on the balcony chin (9) or the window sill to simultaneously handle the windows and chassis construction following the building finishing. As such, the construction is being done with a structure that does not form a step on the balcony balcony side.

Therefore, in recent years, the conditions for using a hanging bracket such as a window frame or a veranda have been gradually reduced, requiring a new type of fixture that can be directly installed on the exterior wall of a building.

Accordingly, in the process of placing concrete fixtures for the installation of the drop protection net, the fixtures may be attached to the exterior wall of the building by using a buying bolt such as a cone tie that is fixed between the formwork and the foam or to support the gang form in the process of placing concrete on the building construction structure. It was conceived that it can.

In addition, a fixture that has been attempted in a similar manner in the past cannot be brought into close contact with the building's outer wall, and thus has a weak bearing force, its fixed state is not stable, and the fixture installation work is very cumbersome, requiring much installation time. The efficiency is low, and it is impossible to install on the side wall (edge outer wall) of the new building, so the practical application for the installation of the drop prevention net is difficult.

Therefore, it is tightly fixed to the outer wall of the building to enhance stability, and installation is simple and easy, and it is possible to install a new type of anti-dropping net having various application effects such as installing a drop-prevention net on the side of a construction building like a pedestal type. Fixtures are desperately needed.

The present invention has been devised to solve such a conventional problem, the fastening of the support bar to a known clamp attached to the fastening of the fasteners on the outer wall side of the buried bolt to be embedded in the construction of the concrete construction It is possible to install a drop prevention net on the outer wall of a new building that does not allow the installation of a hanger bracket for supporting the support bar on slabs, window frames, and balconies or does not allow the installation of the bracket by fastening the stand. It is to provide a fixture for installing a falling object prevention net.

Another object of the present invention is to provide a fastener for installing a drop prevention net that can easily install the support bar of the drop prevention net without a hanger bracket on the side of the building edge outer wall.

In the present invention for achieving the above object in the falling object prevention net fixture to install a support bar to install a fastening bolt to the buried buried in the interior of the concrete construction of the building structure to prevent the fall prevention net on the fixture, the fixture Is made of a square metal tube and a bolt hole is formed in the upper side of the front side to be assembled and fixed with the embedded bolt using a screw tube, a fixing bolt and a fastening nut, and a known clamp is assembled in the middle of the front of the fixture by bolts. It is characterized by.

Accordingly, it is possible to connect and fix the fasteners using screw tubes, fixing bolts and tightening nuts on the outer wall of the building to the embedded bolts for fixing the gang form when concrete is cast without using the hanger bracket. It can be connected to install a drop prevention net.

Here, the clamp is welded to the front surface of the fixture is made integrally so that the fixture and the clamp can be supported by a firm coupling force when installing a drop prevention net that is heavily loaded.

In addition, a long hole is formed in the lower side of the front of the fixture to be assembled at the upper and lower sides of the fixture at the same time using the screw and the fixing bolt and tightening nuts to have a double fixed structure to be fixed more and more securely It is configured to be.

According to another embodiment of the present invention, a cylindrical support extending forward from the upper end of the fastener is integrally provided, and a support for supporting the support from the fastener is connected to the lower end of the fastener and the middle of the support. It is characterized in that the clamp is assembled to the support.

According to this configuration, since the support is extended in the direction perpendicular to the fixture, the support pipe can be additionally installed using the clamp to the support, so that the support bar for installing the drop prevention net in the direction of the new building's corner at the connection pipe end is provided. It will be able to install inclined.

According to another embodiment of the present invention, the support is separated from the fastener and is formed with an integrally formed square cross section connecting at right angles to the inner end thereof. Each connecting hole is formed so that the connecting rod is inserted from the upper side of the fixture, and is fixed together by the fixing bolts.

Therefore, since the fixture and the support have a structure that can be separated from each other, it can be used to separate the support when installing on the slabs, window frames and balconies. Fixing together, the support is further installed by connecting pipes as clamps, the support bar can be easily installed falling prevention net even in the corner of the building.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 2 is a perspective view showing a drop preventing net mounting fixture according to an embodiment of the present invention, Figure 3 is an assembled cross-sectional view showing an installation state of the drop preventing net mounting fixture according to an embodiment of the present invention, Figure 4 is 5 and 6 are a perspective view and a side cross-sectional view showing a state of constructing a falling object prevention net according to an embodiment of the present invention.

First, the fastener 10 according to the present invention is to be used to install a fall prevention net of a new building without a jaw on the balcony, veranda, window frame, that is, it is not possible to install the hanger bracket as in the prior art, concrete pouring It is configured to be installed at the end of the buried bolt 20 is installed inside the concrete to fix the gang form.

That is, the fixture 10 is made of a metal tube of a rectangular shape, the bolt hole 11 is formed on the upper front side.

In addition, as a means for connecting the fixture 10 to the embedded bolt 20, a screw tube 21 for connecting the fixed bolt 12 and the embedded bolt 20 is provided.

The fixing bolt 12 is further provided with a tightening nut 13, the tightening nut 13, together with the fixing bolt 11 exerts a firm tightening force for completely fixing the fixture 10 to the wall. Is intended to, and is configured to prevent loosening the screw after being fastened.

In addition, the fixing bolt 12 is not completely fastened to the screw tube 21 in the process of assembling the screw tube 21 to the end of the embedded bolt 20 and then fastening the fixture 10 as the fixing bolt 12. In case of not being able to fasten the fixture to the wall tightly as a tightening nut (13).

In addition, the outer shape of the screw tube 21 is made of a hexagon is configured to be firmly fastened using a fastening tool (not shown).

In addition, a fastening hole 14 is formed in the center of the front surface of the fastener 10, and a through hole 15 is formed on the same axis behind the fastener 10, so that the clamp 30 is bolted to the nut 31 and the nut 32. It is configured to be assembled by).

According to this configuration, the support bar 40 can be directly installed on the clamp 30 which is integrally assembled as the bolt 31 to the fixture 10.

In addition, according to another embodiment of the present invention, the fixture 10 and the clamp 30 are integrally attached by welding without being assembled by the bolt 31.

When the fixture 10 and the clamp 30 are integrally formed by welding, the bonding strength becomes more solid than that of the bolt 31 fastening, and thus the sufficient effect can be obtained when installing the drop preventing net 50 to which the load is heavily applied. have.

In addition, as another configuration for increasing the fixing force of the fastener, a long hole 22 is formed on the front lower side of the fastener 10, the screw pipe 21 and the fixing bolt 12 and the upper and lower sides of the fastener 10 at the same time and It is configured to be fixed to the embedded bolt 20 by using a tightening nut (13).

In this case, the interval between the fixing bolt 12 and the long hole 22 is appropriate in consideration of the upper and lower intervals of the embedded bolt 20 at a position corresponding to the central position of the embedded bolt 20 provided in the building wall. It is formed keeping the gap.

The process of installing the falling object prevention net 50 using the falling object prevention net installation fixture which has such a structure is as follows.

Referring to FIGS. 2 to 6, first, the clamp 30 and the fixture 10 are integrally assembled using the bolt 31 and the nut 32.

Here, when the nut 32 is assembled with the bolt 31 fitted to the clamp 30 in the state of being inserted through the through hole 15 formed at the rear of the fixture 10, the fixture 10 and the clamp 30 are integrally formed. Are assembled.

Next, assembling the screw tube 21 to the buried bolt 20, the screw tube 13 is to be fitted to the buried bolt 20 to a medium depth, the end of the screw tube 21 does not protrude into the building wall Insert it until it is not.

For reference, the end portion of the embedded bolt 20 is not filled with concrete because of the fastening structure with the gang form, so after removing the gang form, a space into which the screw tube 21 is fitted is secured.

Next, when the fixing bolt 12 is inserted into the bolt hole 11 and the long hole 22 formed on the upper side or the upper and lower side of the fixing tool 10, and then screw the assembly bolt 12 to the screw tube 21, The fastener 10 is screwed with the embedding bolt 20 to fix the fastener 10 to the building wall.

Here, by tightening the tightening nut 13 provided in the fixing bolt 12 together with the fixing bolt 12, a double tightening force acts to more firmly adhere to the wall surface can be fixed firmly, In the future, the fixing bolt will be prevented from loosening.

In this state, the hinge 30 of the support bar 40 is fastened to the clamp 30 by fixing.

Then, the middle portion of the support bar 40 is connected to the support pipe 42, which is connected to the fixture 10 on the upper floor of the building as a clamp 30, and then maintains the proper inclination as shown in FIGS. After unfolding, the state of the support pipe 42 and the support bar 40 are fixed by fastening the clamp 30.

In this way, the fixture 10 is installed on the same floor and the upper floor of the new building without a chin, and the support bar 40 and the plurality of support bars are supported by using the clamp 30 integrally coupled to the fixture 10. After the pipes 42 are continuously installed, the installation of the additional fall prevention net 50 is to be performed.

Meanwhile, according to another embodiment of the present invention, as shown in FIGS. 7 to 9, the outer edge of the support bar 40 is extended by extending the support bar 40 toward the side of a new building in which a hanger bracket for supporting the support bar 40 cannot be installed. It consists of a fixture (10) that can be easily installed on the side fall prevention net (50).

The upper end of the fixture 10 is formed integrally formed with a support 16 extending forward, the support 16 is configured in the form of a cylindrical pipe to fasten the clamp (30).

A pedestal 17 is provided to support the support 16 extending in the form of a cantilever. The support 16 is integrally formed between the lower end of the fixture 10 and the support 16. There is a configuration in which a pair of clamps 30 are assembled.

Before and after the fastener 10, the bolt hole 11 and the long hole 22 for fixing to the buried bolt 20 is formed at the upper and lower intervals as in the above-described embodiment.

The process of installing the falling object prevention net using the fixture for installing the falling object prevention net according to the present embodiment having such a configuration is as follows.

First, the clamp 30 is coupled to the support to maintain a proper distance.

Next, after assembling the screw tube 13 to the buried bolt 20, the fixing bolt 12 is inserted into the bolt hole 11 and the long hole 22 formed on the upper and lower sides of the fixture 10, the screw tube ( 13) If the fixing bolt 12 is screwed to match the fastener 10 is screwed with the buried bolt 20 is to be firmly attached to the building wall surface.

At least two such fixtures 10 are installed to maintain a pair of connecting pipes 60 in parallel to each clamp 30 of the support 16.

After the fixture 10 is installed in this way, the fixture 10 is installed at the same position in the upper floor, and then the hinge 30 of the support bar 40 is used to clamp the clamp 30 at the end of the connection pipe 60. The end of the support bar 40 and the support pipe 60 to the clamp 30 in the state in which one end of the support pipe 42 is assembled by the clamp 30 to the connection pipe 60 of the upper layer. Connect.

In this state, the support bar 40 is extended to the side of the building edge to the outside wall to be unfolded so as to maintain a proper inclination and then tighten the state to fix the position of the support pipe 60 and the support bar 40.

By installing the fixture 10 in a new building without a jaw in such an installation manner, and additionally installing a connecting pipe 60 to the support 16 of the fixture 10 to install a support bar 40 at its end In this way, the plurality of support bars 40 and the support pipes 60 are continuously installed in the area outside the corner of the building, and then additional installation of the drop prevention net 50 is to be constructed.

On the other hand, according to another embodiment of the present invention, the fixture 10 and the support 16 are made of a separate form is configured to be removable from each other.

That is, as shown in Figs. 10 and 11, at the inner end of the support 16, a connection 18 having a square cross section in a right angle direction is integrally formed so that the support 16 and the connection 18 are “a” shaped. Is done.

The connecting rod 18 is formed to have a size smaller than the square cross-sectional inner diameter size of the fixture 10 so that it can be inserted into the inside of the fixture 10.

In the connecting table 18, a pair of connecting holes 19 communicating with the bolt hole 11 and the long hole 22 of the fastener 10 are formed at appropriate intervals above and below.

Therefore, when the connecting rod 18 is inserted into the fixing unit 10, the bolt holes 11 and the long holes 22 and the pair of connecting holes 18 coincide with each other. Can be fixed together to the purchase bolt 20.

Fixing device 10 according to the present embodiment having such a configuration consists of a support bar 16 is separated from the fastener 10 by the connecting table 18, so the support bar for installing the drop prevention net (50) ( 40) can be used both when installed facing the front of a new building and when installed facing the outside edge of the building.

First, the case in which the support bar 40 is installed in the direction of the front of a new building will be described with reference to the above-described embodiment. Then, the connecting table 18 of the support 16 is separated from the fixture 10, and then the clamp 30 To the bolt 31 and the nut 32 through the bolt hole 14 of the fixture 10.

When configured in this way, as shown in the above embodiment, the support bar 40 is directly connected to the clamp 30 of the fixture 10 to be extended forward to achieve the same effect of installing the drop prevention net 50.

In addition, in the case where the support bar 40 is installed on the outer edge side of the new building, the connecting rod 18 of the support is inserted into the inside of the fixture 10 so that the fixture 10 and the support 16 as the fixing bolt 12 may be provided. The connecting rod 18 is fixed to the buried bolt 20 together, and the connecting pipe 60 is installed in parallel with the clamp 16 by using the clamp 30 on the support 16. By connecting to install the 40 will be able to install the drop prevention net 50 to the side of the outer wall edge of the building.

As described above, the present invention supports the slabs, window frames and balconies by coupling the fasteners to the embedded bolts embedded in the concrete during construction of the building structure, and assembling a known clamp to the fasteners so that the support bar can be installed in front of the building. Falling protection nets can be easily installed on the outer wall of a building structure where a hanger bracket for supporting a bar cannot be installed.

In addition, there is an excellent effect that can easily install the support bar for installing the fall prevention net even on the outer wall side of the corner of the new building that can not install the hanger bracket for supporting the support bar.

Claims (5)

In the fall prevention net fixture to install a fastener to the buried bolts embedded in the concrete when the construction of the building structure to install the fall prevention net in the fixture, The fastener 10 is made of a rectangular metal tube, and the bolt hole 11 is formed on the front side thereof, and the screw bolt 21 and the fixing bolt 12 and the fastening nut 13 are used to form the buried bolt 20. It is to be assembled and fixed, the fixing device for installing a drop prevention net, characterized in that the known clamp 30 is assembled in the middle of the front of the fixture (10) by a bolt (31). The method of claim 1, The clamp 30 is a fixture for installing a drop prevention net, characterized in that the welding is attached to the front of the fixture (10). The method of claim 1, A long hole 22 is formed at the front lower side of the fixture 10 so that the buried bolt is formed by using the screw tube 21, the fixing bolt 12, and the fastening nut 13 at the upper side and the lower side of the fixture 10 simultaneously. Fixing device for installing a drop prevention net, characterized in that it can be fixed to. The method of claim 1, A cylindrical support 16 extending forward from an upper end of the fixture 10 is integrally provided, and a pedestal 17 supporting the support 16 from the fixture 10 is provided with the support 10 of the fixture 10. It is connected to the middle of the lower end and the support (16), the fixture for installing the drop prevention net, characterized in that the clamp 30 is assembled to the support (16). The method of claim 4, wherein The support 16 is formed in the form of a separate from the fixture 10 is connected to the inner end of the rectangular cross section 18 is formed integrally, and the fixture 10 to the connector 18 is integrally formed Connecting holes 19 communicating with the bolt holes 11 and the long holes 22 are formed so that the connecting rods 18 are inserted from the upper side of the fasteners 10 and fixed together by the fixing bolts 12. Fixing device for installing the falling object prevention net, characterized in that.

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