KR100645105B1 - Install structure of net that prevent fall - Google Patents

Abstract

The present invention relates to a fall prevention network installation structure.

The present invention is configured such that both sides of the bottom of the support bar is coupled between the lower bracket, the fall prevention net installation structure configured to expand the fall prevention net between the end of the support bar and the upper bracket, the support bar is open end Two ends of the long steel pipes are joined to each other by a first coupling hole on the hinge, and both sides of the hinge are coupled to the lower bracket by a second coupling hole, and the support bar and the upper bracket are coupled to each other. It is fixed by the first wire, the inner wire is hooked to the hook formed on the upper bracket and the outer wire is caught between the first coupling hole coupled to the end of the support bar is configured to expand the fall prevention net, the end of the support bar The upper end of the second wire is configured to be caught, but the lower end of the second wire is caught by a fixture installed at the lower side It is characterized in that it is configured to.

Therefore, the present invention is to combine the cut steel pipe with a plurality of coupling holes so that the support bar having the A shape is assembled, and the assembled support bar to be installed and dismantled inside the building, so as to increase the safety and work efficiency of the installer. It is.

 Support bar, steel pipe, coupler, wire

Description

INSTALL STRUCTURE OF NET THAT PREVENT FALL}

1 is a perspective view showing an installation state of the fall prevention network according to the present invention.

Figure 2 is an exploded perspective view showing the installation structure of the fall prevention network according to the present invention.

Figure 3 is a perspective view showing the installation structure of the fall prevention network according to the present invention.

Figure 4 is a side view showing the installation structure of the fall prevention network according to the present invention.

5 is a perspective view showing another embodiment of the fall prevention network according to the present invention.

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

1: support bar 2, 2 ': first coupling port

3: lower bracket 4: upper bracket

5: Fall prevention network 6: First wire

7: Fixture 11,11 ': Steel Pipe

12: hinge 46: hook

51: inner wire 52: outer wire

61: second wire 272: second coupler

The present invention relates to a fall prevention network installation structure, in particular fall prevention network installed and used in the construction site in order to prevent accidents caused by falling of tools, concrete lumps and timber, such as workers falling during the height work ( Alternatively, by preventing falling objects, safety nets) to be installed and dismantled inside the structure, the safety of the installation worker is fundamentally secured, and the work efficiency and robustness of the installation structure can be improved.

In general, a fall prevention net is installed on the outside of the building to prevent safety accidents caused by falling of workers and falling of members and devices, etc., when installing or dismantling members for constructing a building or painting external walls. .

The fall prevention net is coupled to the lower support pipe with a clamp so that a constant slope can be maintained on the bracket fixed to the slab or balcony of the building, and installed so that the fall prevention net is spread on the combined lower support pipe, and at the end of the lower support pipe. The upper support pipe is installed to be coupled.

However, the fall prevention net prevents workers or pedestrians from falling from the building and falling down to the ground, but the fall prevents the worker from falling because the fall prevention net is inclined 20 to 30 degrees from the outer wall of the building. If you do, you can roll once or twice in the fall prevention net or bounce off the building's outer wall, causing confusion or injury. Furthermore, if you fall and hit the upper support pipe, there is a problem that a fatal accident such as a fracture or spinal cord injury occurs.

In addition, in order to install the fall prevention network, the installer secures the bracket to the slab of the building, couples the lower support pipe to the fixed bracket inclined with a clamp, and then moves to the outside of the building along the lower support pipe to expand the fall prevention net. There is a problem that a fall accident occurs frequently due to carelessness in the process of hanging on the end of the pipe, and the lower support pipe is composed of two or more steel pipes, assembled and then reconnected with the upper support pipe. As a cause, it has a lot of labor and time-consuming problems.

The present invention has been created to solve such a problem, by ensuring that the installation and dismantling work of the support bar that combines the cut pipe with a plurality of clamps in the building construction structure smoothly, thereby fundamentally ensuring the safety of the installation worker And, by installing to have a form that removes the existing upper support pipe, to eliminate the obstacles that can be harmful to workers falling from the high floor, and to provide an installation structure of the fall prevention network to further strengthen the installation structure. There is this.

The present invention for achieving the above object is configured to be coupled to both sides of the lower end of the support bar (1) between the lower bracket (3), the fall prevention net between the end of the support bar (1) and the upper bracket (4) (5) In the fall prevention network installation structure configured to spread,
The support bar (1) has a first end opening (2) (2 ') to the hinge 12 to the two long steel pipes 11, 11' long length so that the ends are in contact with each other. The second coupling hole 272 is coupled to the lower bracket 3 on both sides of the outer side of the first coupling hole 2 'of the hinge 12, and the support bar 1 And the upper bracket (4) is fixed by the first wire (6), the inner wire 51 is hooked to the hook 46 formed on the upper bracket (4) is coupled to the end of the support bar (1) The outer wire 52 is caught between the first coupler (2) to configure the fall prevention net (5), and the upper end of the second wire (61) to the end of the support bar 1 is configured to hang, The lower end of the second wire 61 is configured to be hooked to the fixture 7 installed on the lower side,
The upper end of the first wire (6) is configured to be hooked to the hook 46 formed on the upper bracket (4), the lower end of the two steel pipes (11, 11 ') constituting the support bar (1). It is configured to be hooked to the third coupler 273 coupled to either side,
The first to third couplers 2, 2 ', 272 and 273 are configured such that the movable piece 22 is coupled to the hinge 23 at one end of the coupler body 21, and the hinge is fixed. The cutting groove 221 formed in the movable piece 22 is composed of a unit connection member 26 fixed to the hinge bolt 24 is fixed to the nut 25 is coupled to the other end of the coupler body 21, The object is achieved by providing a fall prevention network installation structure, characterized in that the coupling unit body 21 is fixed to the other unit connecting member 26 'to be rotated with each other.

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

Fall prevention net installation structure according to the present invention is a support bar (1), first, 2, 3, 4 coupling holes (2) (2 ') (272) (273) (274), lower bracket (3), upper bracket (4), the fall arrest net (5) and the first and second wires (6) (61) and the fixture (7).

형태를 갖도록 다수개의 제1결합구(2)(2')로 결합되어지도록 구성되어 있다.Here, the support bar (1) has a function to extend the fall prevention net (5) to the outside of the building, the two long steel pipes (11, 11 ') of the long length to the hinge 12

It is configured to be coupled to a plurality of first coupling sphere (2) (2 ') to have a shape.

At this time, the start ends of the two steel pipes (11) (11 ') are coupled to the hinge stand 12 are spaced apart to have a predetermined interval, respectively coupled to the first coupling sphere (2'), the opposite end is also different It is coupled to be in contact with a separate first coupler (2).

In addition, the outer both ends of the first coupler 2 'of the hinge 12 to the first horizontal member 32 of the lower bracket 3 to be described later to be coupled by the second coupler 272. To this end, the entire length of the hinge stand 12 is configured to have a shape that is further drawn out in both directions from the portion where the steel pipes 11 and 11 'are coupled.

In addition, the support bar 1 is such that the lower end of the first wire 6, which will be described later, hangs on the third coupler 273 coupled to any one of the two steel pipes 11 and 11 ', The upper end of the first wire 6 is hooked to the bracket 4.

형태를 갖도록 하는 것으로 결합구 몸체(21), 가동편(22), 힌지볼트(24) 및 너트(25)가 결합된 단위연결부재(26)로 구성되어 있으며, 상기 단위연결부재(26)를 구성하는 결합구 몸체(21)에 동일한 구조를 갖는 다른 단위 연결부재(26')가 회동되어질 수 있도록 결합되어 있다.The first coupler (2) (2 ') is a combination of a plurality of steel pipes (11) (11') and the hinge table (12)

It consists of a unit connecting member 26 coupled to the coupling member body 21, the movable piece 22, the hinge bolt 24 and the nut 25 to have a shape, the unit connecting member 26 Another unit connecting member 26 'having the same structure is coupled to the coupler body 21 to be configured to be rotated.

The coupler body 21 is formed to have a tracer shape by punching and pressing an iron plate having a predetermined thickness, and one side end of the movable piece 22 having a curved shape is one side of the coupler body 21. It is coupled to the hinge 23.

In addition, the free end of the hinge-fixed movable piece 22 forms a cutting groove 221 having a predetermined width and depth to fit the hinge bolt 24 coupled to the other end of the coupler body 21, the nut It is comprised so that it may be fixed by 25.

Each of the unit connection members 26 and 26 'forms a through hole on one side of the coupling body which is in contact with each other so as to be rotated at an arbitrary angle, and forms a shaft having a hollow shape on the other side to the through hole. Although configured to be coupled, it is preferable to configure the end of the hollow shaft with a press so as not to be separated from each other in a coupled state.

In addition, the second coupler 272, the third coupler 273 and the fourth coupler 274 has the same shape as the first coupler 2, the second coupler 272 is a lower bracket Both sides of the hinge stand (12) is coupled to (3), the third coupler (273) so that the lower end of the first wire (6) is caught by the steel pipe (11), the fourth coupler (274) As shown in FIG. 5, the reinforcing member 14 is coupled between the steel pipes 11 and 11 ′ constituting the support bar 1, and coupled by the fourth coupling hole 274. The lower end of the first wire 6 is hooked to the reinforcing member 14.

The lower bracket (3) is installed at the end of the floor slab (8) that distinguishes between the floor and the floor of the building is the bottom of the support bar (1) at the same time as the supporting portion is coupled to rotate the first vertical member ( 31), the first horizontal member 32, the second vertical member 33, the first inclined member 34 to be integrally coupled to the bracket body 35 and the first vertical member 31 to be screwed A first vertical handle 361 and a first vertical pressure plate 362 are coupled to both ends of the first horizontal screw shaft 363.

Here, the first vertical member 31 forms a first horizontal screw hole 311 having a horizontally penetrating portion at the lower end thereof, so that the first horizontal screw shaft 363 is coupled to the first vertical pressure plate 362. It is configured to be coupled, the end of the long first horizontal member 32 having a circular cross section is configured to be fixed to the upper end of the first vertical member (31).

In addition, a second vertical member 33 having a length longer than that of the first vertical member 31 is fixed to the lower portion of the first horizontal member 32, wherein the second vertical member 33 is a first vertical member ( 31 is fixed so as to maintain a constant interval, the first inclined member 34 is inclined from the lower end of the second vertical member 33 to the end of the first horizontal member 32 are all combined integrally one The bracket body 35 is configured to be made.

In addition, a first horizontal screw shaft 363 having a first vertical handle 361 coupled to an outer side of the first vertical member 31 and a first vertical pressure plate 362 coupled to the first horizontal screw hole 311. It is configured to be coupled to).

The upper bracket 4 is coupled to the ceiling slab 9 that separates the layers from layer to layer to prevent the fall arrest net 5 from being spaced apart from the end of the ceiling slab 9. The third vertical member 41, the second horizontal member 42, the fourth vertical member 43, and the second vertical handle 451 can be hung on the upper side to prevent the support bar 1 from being further tilted outward. It consists of a second vertical pressure plate 452 coupled to the second horizontal screw 453 and the fourth vertical member 43 to which the hook 46 is fixed.

Here, the third vertical member 41 is formed to form a second horizontal screw hole 411 to be coupled to the second horizontal screw shaft 453, which will be described later, and the second horizontal member 42 at its end. One side of is configured to be fixed.

In addition, the upper end of the fourth vertical member 43 is integrally coupled to the other end of the second horizontal member 42, but the fourth vertical member 43 is longer than the third vertical member 41. It is more preferably configured to be longer and to be spaced apart from the third vertical member 41 by a predetermined interval.

In addition, the second horizontal screw hole 411 is configured such that a second vertical handle 451 at one end thereof is coupled to a second horizontal screw shaft 453 in which a second vertical pressure plate 452 is coupled at the other end thereof. .

The fall prevention net (5) has a main function of blocking the fall and fall from the top of the building to the bottom by maintaining the extended state drawn out to the outside by a certain length from the outer wall side of the building fall prevention network (5) The inner wire 51 and the outer wire 52 are fitted to both ends of the), the inner wire 51 is a hook 46 fixed to the fourth vertical member 43 of the upper bracket (4) The outer wire 52 is configured to be caught between the first coupler 2 coupled to the ends of the steel pipes 11 and 11 'of the support bar 1.

The first wire 6 prevents the support bar 1 from flipping outward at a predetermined angle around the lower end of the support bar 1 coupled to the lower bracket 3 by the second coupling holes 272, respectively. It is for the purpose that both ends having a predetermined length is formed to have a ring shape so that the upper end is hooked to the hook 46 formed on the upper bracket (4), the lower end to the steel pipe (11) of the support bar (1) It is configured to be hooked to the coupled third coupling sphere (273).

Meanwhile, the lower end of the first wire 6 is caught by the third coupling hole 273 coupled to the steel pipe 11, but in addition to the above method, the fourth coupling hole 274 is shown in FIG. 5. It is preferable to use to hang on the reinforcing member 14 coupled between the steel pipes 11, 11 '.

The second wire 61 is pulled with a constant tension from the lower end of the support bar (1) folded toward the outside of the building by the first wire 6, the fall protection network (5) is unfolded It is configured to prevent the support bar (1) from being folded toward the outer wall of the building due to strong wind or other causes in the installed state.

To this end, the second wire 61 is configured so that the upper end is sandwiched between the first coupler (2), the lower end is a separate fixture 7 is installed to the lower side fixed to the lower bracket (3) It is configured to hang).

1, 4 and 5, the fixture 7 is to have the same shape as the upper bracket, but in addition to this form by installing an anchor bolt on the outer wall surface of the building the lower end of the second wire (61) It is more preferable to use so that it hangs.

The process of installing such a fall prevention network is as follows.

First, the first slab is placed on the end of the bottom slab 8 so as to span between the first vertical member 31 and the second vertical member 33 of the lower bracket 3, and then screwed to the first vertical member 31. As the vertical handle 361 is rotated in the clockwise direction, the lower bracket 3 is installed by moving the first vertical pressure plate 362 toward the wall while the first horizontal screw shaft 363 rotates.

In the process of installing the two lower brackets 3 through this process, one is completely fixed and the other is temporarily assembled, and then the second coupler 272 is fixed to the first horizontal member 32. do.

Next, the support bar 1 is lowered from the ceiling slab 9 on the upper side thereof, and both sides of the hinge stand 12 are positioned as the second coupling holes 272 previously coupled to the first horizontal member 32. The movable piece 22 of the coupler 272 is closed and temporarily assembled with the nut 25.

Next, the second horizontal member 42 of the upper bracket 4 is placed on the ceiling slab 9, and the second horizontal screw shaft coupled to the second horizontal screw shaft 451 is rotated clockwise. As the 453 is rotated, it is fixed to the ceiling slab 9 by the second vertical pressing plate 452 coupled to the end thereof.

Next, after coupling the third coupler 273 to the steel pipe 11 constituting the support bar 1, the upper end of the first wire 6 is caught by the hook 46 of the fourth vertical member 43. Then, the lower end of the first wire 6 is wrapped around the third coupler (273).

Next, the upper end of the second wire 61 is sandwiched between the first coupler 2 coupled to the ends of the plurality of steel pipes 11, 11 ', and hanged, the lower end of which is lowered, and then the fall prevention net The outer wire 52 and the inner wire 51 are fitted to both ends of (5).

Next, the outer wire 52 fitted to the fall prevention net (5) is hooked to the second coupler (2) coupled to the end of the support bar (1) and then the inner wire 51 to the fourth vertical member 43 Hanging on the hook (46).

In this way, while the fall prevention net (5) is connected to the support bar (1) installed on one floor while the fall prevention net (5) to the outside of the building and at the same time the hinge bar constituting the bottom of the support bar (1) 12 is in the state assembled temporarily to the second coupler 272, the fall prevention net (5) is unfolded while it is folded outward.

At this time, since the length of the first wire 6 is limited, the support bar 1 is prevented from being excessively flipped beyond a certain limit.

Next, after tightening as much as possible the second coupler 272 preliminarily assembled between the first horizontal member 32 of the lower bracket 3 and the hinge stand 12, the first coupler 2 of the support bar 1. The lower end of the second wire 61 hanged on the rear side is hung in a state in which a pull is pulled with a constant tension to a separate fixture 7 installed on the wall of the lower layer, thereby completing the installation of the fall prevention net 5.

On the other hand, the entire length of the hinge 12 is a steel pipe (11) (11 ') so that both ends of the hinge (12) to the first horizontal member 32 is coupled by the second coupler (272). ) Is configured to have a more drawn form in both directions from the combined portion, but in addition to the configuration such that the lower ends of the steel pipes (11) (11 ') are coupled to both ends of the hinge (12), The hinge stand 12 located inside the lower end thereof may be configured to be coupled to the first horizontal member 32.

In addition, in the present invention, the second wire 61 is used so that its upper end is caught between the first coupler 2, but in addition to this method, a separate fixing pin provided inside the upper end of the steel pipe 11 Can be used to hang on. In other words, when the steel pipe 11 is used as a scaffolding pipe that is most used in a construction site, it is more preferable to use the steel pipe 11 to be fastened to a fixing pin that is pre-formed inside the end for connecting the scaffolding pipes together. .

As described above, the present invention allows the steel pipe cut to a predetermined length to be assembled with the A-shaped support bar with a plurality of coupling holes, and installed so that the fall prevention net is unfolded in a horizontal state by using the assembled support bar. The installation and dismantling of the building is to be made smoothly, and the fall of workers and tools, concrete blocks, wood, etc. that occur during the height of the work to prevent accidents caused by falling.

Claims (4)

Both sides of the lower end of the support bar (1) between the lower bracket (3) is configured to be coupled, fall prevention net installed configured to prevent the fall prevention net (5) between the end of the support bar (1) and the upper bracket (4) In structure, The support bar (1) has a first end opening (2) (2 ') to the hinge 12 to the two long steel pipes 11, 11' long length so that the ends are in contact with each other. The second coupling hole 272 is coupled to the lower bracket 3 on both sides of the outer side of the first coupling hole 2 'of the hinge 12, and the support bar 1 And the upper bracket (4) is fixed by the first wire (6), the inner wire 51 is hooked to the hook 46 formed on the upper bracket (4) is coupled to the end of the support bar (1) The outer wire 52 is caught between the first coupler (2) to configure the fall prevention net (5), and the upper end of the second wire (61) to the end of the support bar 1 is configured to hang, The lower end of the second wire 61 is configured to be hooked to the fixture 7 installed on the lower side, The upper end of the first wire (6) is configured to be hooked to the hook 46 formed on the upper bracket (4), the lower end of the two steel pipes (11, 11 ') constituting the support bar (1). It is configured to be hooked to the third coupler 273 coupled to either one, The first to third couplers 2, 2 ', 272 and 273 are configured such that the movable piece 22 is coupled to the hinge 23 at one end of the coupler body 21, and the hinge is fixed. The cutting groove 221 formed in the movable piece 22 is composed of a unit connection member 26 fixed to the hinge bolt 24 is fixed to the nut 25 is coupled to the other end of the coupler body 21, Installation structure of the fall prevention net, characterized in that the coupling unit body 21 is fixed to the other unit connecting member (26 ') to be rotated with each other. delete delete delete

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