KR20190122023A - Satety net and fixing member for satety net - Google Patents

Abstract

One aspect of the present invention provides a safety net capable of easy length adjustment and installation. According to one aspect of the present invention, the safety net includes: a net including weft and warp and forming a grid; a support rope fixed to a wall, alternately inserted between the warps in a direction different from each other and coupled to the safety net by weaving the same on the warps; a first fixing unit coupled to one side of a fixing rope; and a second fixing unit coupled to the other side of the fixing rope.

Description

SAFETY NETS AND FIXING UNITS FOR SAFETY NETS {SATETY NET AND FIXING MEMBER FOR SATETY NET}

The present invention relates to a safety net and a fixing unit for a safety net, and more particularly to anyone can easily prepare the material, and to a safety net that can easily adjust the length and installation and disassembly and ensure sufficient rigidity.

Safety railings are installed on the outer edges of each floor to prevent falling at the construction site.The existing method is to use pipes and brackets, sewing and connecting webbing belts, and attaching eyelets by sewing dust-type general networks. There is a method of winding a rope around the wall to fix it.

The method of fixing using pipes and brackets is a method of transporting and installing heavy steel after cutting and processing in accordance with the gap between the columns, which is expensive for steel and safety accidents during transportation of heavy materials to higher floors. There are many disadvantages such as physical damage to workers.

In the case of using a webbing band or a dust net-type coating net, it is necessary to calculate the column spacing before sewing, so that a lot of time and cost are consumed in the manufacturing stage before installation, and it may not be possible to install at an appropriate time. In addition, since it can be manufactured only in a company having a specific facility facilities, there is a disadvantage in showing the economical cost and exclusive use form in the production and installation of the product.

Republic of Korea Patent Registration No. 10-0665627 (2006.12.29)

One aspect of the present invention provides a safety net and a fixing unit for the safety net that is easy to prepare the material to be installed, easy to adjust the length and installation.

Safety net is fixed to the wall according to an aspect of the present invention, a net including a string and a blade, forming a grid, fixed to the wall is alternately inserted in different directions between the blades are woven on the blades And a support rope coupled to the safety net, a first fixing unit coupled to one side of the fixing string, and a second fixing unit coupled to the other side of the fixing string.

Here, the first fixing unit is coupled to the support frame fixed to the wall and the winding rod rotatably installed on the support frame and the winding rod is connected to the winding rod and rotates together with the winding rod, the control wheel It may include a stopper for controlling the rotation of the adjustment wheel.

In addition, the net and the support rope is detachably coupled, the support rope is located between the line, the net is a first area and the line is the first line where the line is arranged at the first spacing And a second region arranged at a larger second interval, wherein the support rope can be installed in the second region.

In addition, the seed line and the string is polyvinyl chloride (POLYVINYLCHLORIDE, PVC) or poly in the yarn made of any one selected from the group consisting of polyester (POLYESTER), polyethylene (POLYETHYLENE), polypropylene (POLYPROPHILENE), nylon (NYLON) Urethane (POLYURETHANE) may be made of a coated structure.

In addition, the seed line and the blade is fixed by a binding yarn, the binder yarn can be fixed by dividing the string and the blade line divided into a plurality of groups.

The binder yarn may include a plurality of first binder yarns connected in a ring shape and second binder yarns alternately inserted into the first binder yarns adjacent to each other to connect the first binder yarns. It may be located between the first binder yarn and the second binder yarn.

In addition, the safety net includes a first support rope and a second support rope of the net spaced apart from each other and a third support rope disposed between the first support rope and the second support rope, the first support The rope and the second support rope may be made of the same material, and the third support rope may be made of a different material from the first support rope.

In addition, the support rope may include a band rope made of a band shape having a width and a wire rope inserted into the band rope and made of steel wire.

On the other hand, the fixing unit for the safety net for fixing the safety net fixed to the wall according to another aspect of the present invention, the support frame fixed to the wall and the winding rod rotatably installed on the support frame and the winding rod is installed and installed And a control wheel that rotates together with the winding rod, and a stopper that is coupled to the control wheel to control the rotation of the control wheel.

According to one aspect of the invention, by cutting the net to the desired size, it is possible to simply adjust the size of the safety net installed by tilting the rope. This not only saves money but also facilitates installation and dismantling. In addition, according to another aspect of the present invention, the support rope can be fixed to the wall using the fixing unit by cutting the support rope in the field and combining it with the fixing units without a separate lock.

1 is a front view showing a state where a safety net is installed according to a first embodiment of the present invention.
2 is an enlarged perspective view of a part of the safety net according to the first embodiment of the present invention.
3 is a front view illustrating a cross-section coupling structure of a blade and a seed of a net according to a first embodiment of the present invention.
4 is a view showing a cross-section coupling structure of a blade and a seed of a net according to the first embodiment of the present invention from the back side.
5 is a view showing a state in which the second fixing unit of the safety net according to the first embodiment of the present invention is fixed to the wall.
6 is a perspective view showing a first fixing unit according to the first embodiment of the present invention.
7 is a view showing a part of a safety net according to a second embodiment of the present invention.
8 is a front view illustrating a state where a safety net according to a third embodiment of the present invention is installed.
9 is a view showing a safety net according to a fourth embodiment of the present invention.

As the invention allows for various changes and numerous embodiments, particular embodiments will be illustrated and described in detail in the detailed description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the present invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present invention, the terms 'comprise' or 'have' are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, components, or a combination thereof.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. At this time, it is noted that the same components in the accompanying drawings are represented by the same reference numerals as possible. In addition, detailed descriptions of well-known functions and configurations that may blur the gist of the present invention will be omitted. For the same reason, in the accompanying drawings, some components are exaggerated, omitted or schematically illustrated.

1 is a front view showing a state where a safety net according to a first embodiment of the present invention is installed, and FIG. 2 is an enlarged perspective view of a part of the safety net according to the first embodiment of the present invention.

Referring to FIGS. 1 and 2, the safety net 100 according to the first embodiment includes a net 10, a support rope 21, a first fixing unit 27, and a second fixing unit 28. ).

Safety net 100 according to the first embodiment is fixed to the wall of the construction site to prevent the fall of workers and objects. The net 10 includes a seed line 12 arranged in a horizontal direction and a blade line 13 arranged in a vertical direction, and forms a lattice. The seed line 12 and the blade line 13 may be arranged to cross approximately vertically, and are fixed to each other at the crossing portion.

The net 10 includes a first region S1 in which the string 12 is arranged at a first interval and a second region S2 at a second interval greater than the first interval. A plurality of second regions S2 may be formed in the net 10, and three second regions S2 are formed in the net 10 according to the first embodiment. The second region S2 may be formed in various numbers according to the width of the seed line 12 and the size of the net 10.

The spacing between the strings 12 in the second region S2 may be 1.5 to 4 times the spacing between the strings 12 in the first region S1. The present invention is not limited thereto, and the gap between the seed line 12 and the blade line 13 may be formed in various structures.

As described above, when the spacing between the second regions S2 is greater than the spacing between the first regions S1, the spacing between the first regions S1 may be narrower to prevent falling of a relatively small tool.

The net 10 can be transported and stored in a wound state, and can be cut to an appropriate length at an installation site. The conventional safety net has a problem that it is difficult to adjust the length is made of a predetermined length. In a large place, two safety nets had to be combined or used separately. However, according to the first embodiment, the length can be easily adjusted simply by cutting the net 10 directly in the field.

The rows 12 and 13 are polyvinyl chloride (POLYVINYLCHLORIDE, PVC) in a yarn made of any one selected from the group consisting of polyester (POLYESTER), polyethylene (POLYETHYLENE), polypropylene (POLYPROPHILENE), nylon (NYLON) Or it may be made of a structure coated with a polyurethane (POLYURETHANE). In this way, when the polyvinyl chloride or polyurethane is coated, not only the strength of the net can be improved but also flame retardancy can be secured.

Hereinafter, the detailed structure of the net 10 will be described in more detail with reference to FIGS. 3 and 4.

Figure 3 is a view showing the coupling structure of the net line and seed line of the net according to the first embodiment of the present invention, Figure 4 is a rear structure of the coupling structure of the net line and seed line according to the first embodiment of the present invention This is the figure.

Referring to FIGS. 3 and 4, the seed line 12 and the blade line 13 are arranged to be divided into a plurality of groups to cross each other, and are fixed by the coupling yarn 14 in this state. As illustrated in FIGS. 3 and 4, the single string 12 and the blade 13 may be made of yarn divided into five groups. However, the present invention is not limited thereto, and the string and the string may be divided into various numbers.

The seed line 12 and the blade line 13 are fixed by the binding yarn 14, the binding yarn 14 is a plurality of first binding yarns 15 connected in a ring shape and the first coupling yarns 15 adjacent to each other. And a second binder yarn 16 inserted alternately to fix the first binder yarns 15. The first coupling yarn 15 has a structure in which the rings are arranged successively in the longitudinal direction of the first binding yarn 15.

The first binder yarn 15 may be disposed on the front side of the net 10, and the second binder yarn 16 may be disposed on the rear side of the net 10. In addition, the seed line 12 and the raw file 13 is located between the first binding yarn 15 and the second binding yarn (16). The plurality of first binding yarns 15 and the second binding yarns 16 are located between the seed line 12 and the blade line 13 and outside the seed line 12 and the blade line 13. One second binder yarn 16 is inserted into the ring portion of two adjacent first binder yarns 15 to fix the first binder yarns 15.

The conventional safety net 100 is sewn by fixing the blade line 13 and the seed line 12, or attached using an adhesive or the like. The structure fixed by lockstitch or adhesive has not only weak strength, but also has a problem that a separate fixing process is required after fabricating the net. However, as described above, according to the first embodiment, since the raw wire 13 and the seed wire 12 divided into a plurality of groups are fixed in the weaving process by the first binding yarn 15 and the second binding yarn 16, The blade line 13 and the seed line 12 may be stably fixed to improve the strength of the net 10.

On the other hand, the support rope 21 is inserted into the net 10 is installed, it is inserted and woven between the blade line 13 to abut the opposite surface of the neighboring blade line (13). That is, the support rope 21 is sandwiched between the blades 13, but is inserted into the blades 13 in a zigzag form and coupled to the net 10. When the support rope 21 is coupled to the net 10 in this manner, the net 10 is cut to an appropriate length, and then the support rope 21 is coupled to the net 10 to more easily install the safety net 100. Can be.

At least two or more support ropes 21 are inserted and installed in the net 10, and the support ropes 21 according to the first embodiment are disposed in the upper and lower portions of the net 10 and in the center of the height direction of the net 10. Each is installed.

The support rope 21 may be formed in the form of a band rope having a width. The support rope 21 has a larger width than the blade line 13 and the line 12, the width of the support rope 21 may be made three to 20 times the width of the line 12 and the blade line 13. .

5 is a view showing a state in which the second fixing unit of the safety net according to the first embodiment of the present invention is fixed to the wall, Figure 6 is a perspective view showing a first fixing unit according to the first embodiment of the present invention to be.

1, 5, and 6, both ends of the support rope 21 are fixed to the wall 50. For this purpose, the first fixing unit 27 is provided at one side of the support rope 21. The coupling is installed, the second fixing unit 28 is coupled to the other side of the support rope 21 is installed. Here, the support rope 21 is fixed to the inner side of the wall 50, as shown in Figure 1 and thus the safety net 100 may be located in the space between the wall and the wall.

The first fixing unit 27 and the second fixing unit 28 have a structure capable of adjusting the length of the support rope 21. In the first embodiment, it is illustrated that the first fixing unit 27 and the second fixing unit which are adjustable in length at both ends of the support rope 21 are installed. However, the present invention is not limited thereto, and the support rope 21 is not limited thereto. It may be formed so that only one end of the length can be adjusted.

The first fixing unit 27 and the second fixing unit 28 have the same structure, and the description of the first fixing unit 27 replaces the description of the second fixing unit 28.

To this end, the first fixing unit 27 includes a support frame 271, a winding rod 274, an adjusting wheel 276, and a stopper 277. The support frame 271 includes a first plate portion 271a fixed to the wall 50, a second plate portion 271b and a third plate portion 271c protruding from both side ends of the first plate portion 271a. The first plate portion 271a is installed to contact the wall 50, and the fixing member 32 is inserted into the first plate portion 271a. The fixing member 32 may be formed of a set anchor or insert bolt.

The winding rod 274 is positioned between the second plate portion 271b and the third plate portion 271c and is rotatably installed with respect to the second plate portion 271b and the third plate portion 271c. The winding rod 274 is formed with a slit 274a into which the support rope 21 is inserted. The slit 274a is formed to extend in the longitudinal direction of the winding rod 274, and when the support rope 21 is inserted into the slit 274a, the support rope 21 is wound along the rotation of the winding rod 274. ) Can be wound or unwound.

The adjusting wheel 276 is installed on the outer surface of the second plate portion 271b but is charged to be charged together with the winding rod 274. The control wheel 276 is formed with a plurality of teeth 276a, the teeth 276a is formed so that one side has a larger slope than the other side. The stopper 277 is installed to be rotatable in the second plate portion 271b and abuts against the teeth 276a to control the rotation of the adjustment wheel 276. The stopper 277 may be provided with a torsion spring 278 for pressing the stopper 277 toward the adjustment wheel.

When the winding rod 274 rotates in the direction of winding the support rope 21, the stopper 277 contacts the surface of the tooth 276a having a small inclination, so that the winding rod 274 can freely rotate, and the support rope When the winding bar 274 rotates in the direction in which 21 is released, the stopper 277 abuts against the surface of the tooth 276a having a large inclination so that the stopper 277 prevents the adjustment wheel 276 from rotating. In this case, the tooth 276a can be rotated after pressing the lower end of the stopper 277 to separate the tooth 276a.

When using ratchet buckles, it is not economical, and the D-type rings and bands must be fixed by stitching and cut to fit the installation length. However, as described above, according to the first embodiment, since the first fixing unit 27 and the second fixing unit 28 are installed, the support rope 21 cut in the field is installed in the first fixing unit 27 and the second. It is coupled to the fixed unit 28 and the length of the support rope 21 can be easily adjusted. Accordingly, the support rope 21 and the net 10 can be separated, rolled, rolled, and stored and transported in a roll form, thereby facilitating transport and storage.

In addition, according to the first embodiment, since the first fixing unit 27 and the second fixing unit 28 are directly fixed to the wall 50, the first fixing unit 27 and the second fixing unit 28 are fixed to the first fixing unit 27 and the second fixing unit 28. By the adjustment as well as the length can be made. In addition, compared with the conventional racket buckle, the first fixing unit 27 and the second fixing unit 28 can be manufactured at a significantly low cost, thereby reducing the cost.

As described above, according to the first embodiment, after cutting the net 10 according to the installation place, the support rope 21 is inserted into the net 10 in a zigzag form, and the support rope 21 is installed. After cutting, the length of the support rope 21 is adjusted with the fixing units 27 and 28 so that the net 10 can be easily installed on the wall. In addition, the support rope 21 having a relatively high strength not only stably supports the net 10, but also minimizes the size of the hole formed in the net 10, thereby preventing a small object from falling. If the net and the rope is made integrally, not only the adjustment of the length is difficult, but there is a limit to strengthening the rigidity of the rope, so when the net is torn, a problem occurs that the strength of the entire safety net is lowered.

In addition, when the rope is coupled to the net by a ring or the like, there is a problem that the net and the rope are easily separated or difficult to install by an external force. However, as described above, according to the first embodiment, even if the net 10 is torn during the operation, the rigidity of the support rope 21 is not affected, so that the fall of the operator can be prevented and the net 10 and The support rope 21 can maintain a stable coupling state.

Hereinafter, a safety net according to a second embodiment of the present invention will be described. 7 is a view showing a part of a safety net according to a second embodiment of the present invention.

Referring to FIG. 7, the safety net 200 according to the second embodiment has the same structure as the safety net according to the first embodiment except for the support rope 60. Duplicate explanations are omitted.

The support rope 60 according to the second embodiment is inserted into the nets 10 by being inserted in a zigzag form in the blade lines 13. Accordingly, the support rope 60 is installed to abut the opposite surfaces of the neighboring blade lines 13. The support rope 60 may be made of a rope having a circular cross section. The support rope 60 may be made of a rope formed by twisting a bundle of fibers such as polyethylene polypropylene, and the longitudinal end of the support rope 60 may be fixed to a wall. However, the present invention is not limited thereto, and the support rope 60 may be made of a metal wire.

When the support rope 60 is made of rope or wire as in the second embodiment, the rigidity of the safety net 200 according to the second embodiment may be further improved.

Hereinafter, a safety net according to a third embodiment of the present invention will be described. 8 is a front view illustrating a state where a safety net according to a third embodiment of the present invention is installed.

Referring to FIG. 8, the safety net 300 according to the third embodiment is the same as the safety net according to the first embodiment except for the coupling structure of the support rope 70 and the wall 50. It is made of a structure, duplicate description of the same structure is omitted.

Both ends of the support rope 70 are fixed to the wall 50. For this purpose, the first fixing unit 27 is coupled to one side of the support rope 70, and the second fixing unit is fixed to the other side of the support rope 70. Unit 28 is installed in combination. The support rope 70 may be fixedly installed on the front surface of the wall 50. That is, the support rope 70 may be installed on the surface facing the inside of the building from the wall 50.

The support rope 70 may include a band rope 71 formed in a band shape having a width and a wire rope 72 inserted into the band rope 71 and made of steel wire. The band rope 71 may be made of polymer fiber or glass fiber, and may be made of two layers so that the wire rope 72 may be inserted between the band ropes 71. On the other hand, the wire rope 72 may be made of a metal, it may be made of a structure in which a plurality of strands of twisted wire. One or a plurality of wire ropes 72 may be inserted into one band rope 71.

When the support rope 70 is made of the band rope 71 and the wire rope 72 as in the third embodiment, the net 10 can be more stably supported, and the strength of the safety net 300 is improved.

Hereinafter, a safety net according to a fourth embodiment of the present invention will be described. 9 is a view showing a safety net according to a fourth embodiment of the present invention.

Referring to FIG. 9, the safety net 400 according to the fourth exemplary embodiment has the same structure as the safety net according to the first exemplary embodiment except for the support rope 90, and thus, the same structure for the same structure. Duplicate explanations are omitted.

A plurality of support ropes 90 are connected to the net 10, and the support ropes 90 are spaced apart from each other by the first support rope 91, the second support rope 92, and the first support rope 91. And a third support rope 93 disposed between and the second support rope 92.

The first support rope 91 may be coupled to the upper portion of the net 10, and the second support rope 92 may be coupled to the lower portion of the net 10. In addition, the third support rope 93 may be disposed at the center of the height direction of the net 10.

The first support rope 91 and the second support rope 92 are made of the same material. The first support rope 91 and the second support rope 92 are made of a polymer material and have a wide width in the form of a band. Can be done. In addition, the third support rope 93 is made of a different material from the first support rope 91, the third support rope 93 may be made of a metal wire.

As shown in the fourth embodiment, when the first support rope 91 and the second support rope 92 are formed in a band shape, the net is widened by the first support rope 91 and the second support rope 92 and shaped. This is maintained, the rigidity of the entire safety net 100 can be improved if the third support rope 93 is made of a metal wire.

As mentioned above, although an embodiment of the present invention has been described, those of ordinary skill in the art may add, change, delete or add components within the scope not departing from the spirit of the present invention described in the claims. The present invention may be modified and changed in various ways, etc., which will also be included within the scope of the present invention.

100, 200, 300, 400, 500: safety net
10: net
12: A string
13: raw
14: Combo
15: First Combinators
16: second binder
21, 60, 70, 90: support rope
27: first fixing unit
28: second fixing unit
271: support frame
274: winding rod
276: adjusting wheel
277: stopper
50: wall
71: band rope
72: wire rope
91: first support rope
92: second support rope
93: third support rope

Claims (9)

In the safety net fixed to the wall,
A net comprising a seed and a blade and forming a lattice;
A support rope fixed to the wall and alternately inserted between the blades in different directions and woven on the blades to be coupled to the safety net;
A first fixing unit coupled to one side of the fixing string; And
A second fixing unit coupled to the other side of the fixing string;
Safety net comprising a. The method of claim 1,
The first fixing unit includes a support frame fixed to a wall, a winding rod rotatably installed on the support frame, an adjusting wheel connected to the winding rod and rotating together with the winding rod, and coupled to the adjusting wheel to adjust Safety net, characterized in that it comprises a stopper for controlling the rotation of the wheel. The method of claim 1,
The net and the support rope are detachably coupled, the support rope is located between the strings,
The net includes a first region in which the string is arranged at a first interval and a second region in which the string is arranged at a second interval greater than the first interval, wherein the support rope is installed in the second region. Featured safety net. The method of claim 1,
The seed line and the line is polyvinyl chloride (POLYVINYLCHLORIDE, PVC) or polyurethane (polyurethane) POLYURETHANE) is a safety net characterized by consisting of a coated structure. The method of claim 1,
The seed line and the blade is fixed by a binding yarn, the bond yarn is characterized in that the safety net, characterized in that divided by the string and the string divided into a plurality of groups. The method of claim 5,
The binder yarns include a plurality of first binder yarns connected in a ring shape and second binder yarns alternately inserted into the first binder yarns adjacent to each other to connect the first binder yarns. A safety net, characterized in that located between the first binding yarn and the second binding yarn. The method of claim 1,
The safety net includes a first support rope and a second support rope of the net spaced apart from each other and a third support rope disposed between the first support rope and the second support rope, and the first support rope and The second support rope is made of the same material, and the third support rope is a safety net, characterized in that made of a different material than the first support rope. The method of claim 1,
The support rope is a safety net, characterized in that it comprises a band rope having a band shape having a width and a wire rope inserted into the band rope and made of steel wire. In the fixing unit for the safety net for fixing the safety net fixed to the wall,
A support frame fixed to a wall, a winding rod rotatably installed on the support frame, and an adjustment wheel installed to be connected to the winding rod to rotate together with the winding rod, and coupled to the adjustment wheel to control rotation of the adjustment wheel. Fixing unit for a safety net, characterized in that it comprises a stopper.

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