KR20050049331A - 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 so that both sides of the lower end of the support bar is sandwiched between the lower bracket, between the upper bracket and the end of the support bar in the fall prevention network installation structure is installed on the construction site configured to be caught and spread, The support bar is configured to be coupled to the two steel pipes to the hinge, the steel pipe is configured so that the ring is coupled to the end that is joined to the end is opened and joined to the hinge, between the steel pipe Reinforcing members are coupled to the inner space of the reinforcing member and the upper bracket is configured to be mutually coupled by a coupler respectively coupled to both ends of the support pipe, the inner wire and between the coupler coupled to the ring and the upper bracket The fall wire is inserted into the outer wire is characterized in that it is coupled to hang.

Therefore, the present invention is to prevent the fall accident of workers working at the building construction site, and to ensure that the installation and dismantling of the fall prevention network can be performed only inside the building to increase the safety and work efficiency of the installer.

Description

INSTALL STRUCTURE OF NET THAT PREVENT FALL}

The present invention relates to a fall prevention network installation structure, in particular to prevent the fall of workers occurring during height work, and to prevent accidents such as workers, passers and traffic vehicles caused by falling of tools, concrete lumps and timber, In addition, the installation and dismantling of the fall prevention net (or fall prevention net and safety net) can be performed only inside the building to enhance the safety and work efficiency of the installer.

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

This fall prevention network is coupled to the other end of the bracket fixed to the building slab or balcony (veranda) of the lower support pipe having a certain length to have a certain inclination angle, and installed so that the protection net is spread on the upper part of the lower support pipe combined. At the end of the lower support pipe, the upper support pipe is installed to be coupled.

However, the fall prevention net that spreads to the upper part of the lower support pipe prevents workers or pedestrians from falling from the building to the ground and injuries to workers or pedestrians. There was a problem that a fatal accident is caused by the upper support pipe.

In addition, in order to install the fall prevention network, the installer fixes the bracket to the slab and the balcony of the building, and the lower support pipe is inclinedly coupled to the fixed bracket and then goes out of the building along the lower support pipe to expand the fall prevention net. There was a problem that a fall accident occurred due to carelessness in the process of hanging the end of the pipe, and a lot of labor and time was required to install and dismantle the fall prevention network accordingly.

The present invention has been created to solve these problems, and prevents workers from accidents that occur during the height of the operation at the same time, while workers, passers, traffic vehicles, etc. that occur when tools, concrete lumps and wood falls, etc. The purpose is to provide a fall prevention network installation port that can prevent accidents of the disaster, and the installation and dismantling of the fall prevention network can be performed only inside the building to increase the safety and work efficiency of the installer.

The present invention for achieving the above object is configured to be fitted on both sides of the lower support bar between the lower bracket, is installed on the construction site configured to be caught and spread both ends of the fall prevention net between the upper bracket and the end of the support bar. In the fall prevention network installation structure, the support bar is configured so that the two steel pipes are coupled to the hinge, the steel pipe is coupled to the ends that are joined to the end of the opening is joined to the hinge is open. It is configured, the reinforcing members are coupled to the inner space between the steel pipe, the reinforcing member and the upper bracket is configured to be mutually coupled by a connector respectively coupled to both ends of the support pipe, coupled to the ring and the upper bracket Fall arrest net with inner and outer wires sandwiched between Sum to provide a crash bangjimang fitting structure characterized by doeeojim is achieved that purpose.

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

Fall prevention net installation structure according to the invention is shown in Figures 1 to 4, the support bar (1), connector (2) (2 '), lower bracket (3) and upper bracket (4) and fall prevention net (5) )

Here, the support bar (1) is to extend the end of the fall prevention net (5) by pulling outward, two long steel pipes (11, 11 ') of long length is substantially perpendicular to the hinge (12) It is coupled to have a form that is, the start end of the steel pipe (11, 11 ') is directly coupled to the hinge 12, having a predetermined interval, the width becomes narrower toward the end of the contact with each other It is configured to take the overall weight while reducing the weight of the support bar (1) as a whole is configured to withstand the force acting from the tensile force or bending force acting from the up and down and lateral direction.

In addition, a plurality of reinforcing members 13 and 13 'are spaced in a space provided between the steel pipes 11 and 11' coupled to have a form in which the width of the support bar 1 becomes narrower toward the free end side. It is coupled to have a structure configured to prevent the gap between the steel pipe (11) (11 ').

In addition, the ends of the steel pipes 11 and 11 ′ which are in contact with each other are integrally coupled to the ring 14 that can hang the outside of the fall prevention net 5, and the fall prevention net to the ring 14 ( 5) The support bar 1 is prevented from being flipped beyond the prescribed value in the process of unfolding the support bar 1 in the outward direction of the building in a state where a part of it is caught; Afterwards, the support pipe 6 having a predetermined length and the connector 2 and 2 'coupled to both ends thereof in order to prevent the support bar 1 from moving back toward the outer wall of the building due to the reaction or the strong wind. It is configured to be fixed by.

The length or spacing of the support bar 1 in the outward direction of the building is made possible by adjusting the length of the support pipe 6 which is coupled between the connectors 2, 2 ′.

The connector 2 allows the hinge stand 12 fitted to the hinge guider 37 to be easily unfolded at the initial stage of installing the fall prevention net 5, and then, after being unfolded, restricts the movement of the hinge stand 12. It is configured to have.

To this end, the connector 2 is composed of a unit connecting member 26 coupled to the connector body 21, the movable piece 22, the hinge bolt 24 and the nut 25, the unit connecting member 26 Another unit connecting member 26 ′ having the same structure is coupled to the connector body 21 constituting the circumference thereof so as to be rotated.

The connector body 21 is configured to have a tracer shape that can wrap half of the reinforcing member 13 or the second horizontal member 42 through the punching and pressing process of the iron plate having a predetermined thickness, and has a curved shape One end of the movable piece 22 is coupled to one side of the connector body 21 by a 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, so that the hinge bolt 24 coupled to the other end of the connector body 21 is fitted into the nut 25. It is configured to be fixed by).

Each of the unit connecting members 26 and 26 'forms a through hole on one side of the connector body which is in contact with each other to be rotated (rotated) at an arbitrary angle, and forms a hollow shaft on the other side to be coupled to the through hole. It is configured to be, but it is preferable to configure the end of the hollow shaft by a press so as not to be separated from each other in a combined state.

The lower bracket (3) is installed at the end of the slab to distinguish between the floor of the building so that the lower end of the support bar (1) can be rotated by the first vertical member 31, the first horizontal member 32, Both side ends of the first horizontal screw shaft 363 by being screwed to the bracket body 35 in which the second vertical member 33, the first inclined member 34 are integrally coupled, and the first vertical member 31. And a first vertical handle 361 and a first vertical pressure plate 362, which are respectively provided at the upper and lower sides.

In this case, the first vertical member 31 has a first horizontal screw hole 311 having a shape that is horizontally penetrated at the lower end portion of the first horizontal screw shaft 363 to which the first vertical pressure plate 362 is coupled. The end of the first horizontal member 32 having a long length having a circular cross section is configured to be screwed and configured to be fixed thereto.

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) fixed to maintain a constant interval, the first inclined member 34 is fixed to the end of the first horizontal member 32 from the lower end of the second vertical member 33 are all integrally combined one The bracket body 35 is configured to be made.

In addition, a first horizontal screw shaft 363 coupled with a first vertical handle 361 on the outside of the first vertical member 31 and a first vertical pressure plate 362 is provided on the first horizontal screw hole 311. It is configured to be coupled to).

The hinge guider 37 having a predetermined length is provided in a space provided to the inner side (surface) of the first horizontal member 32, the second vertical member 33, and the first inclined member 34. The hinge stand 12 fixed to the lower end of the support bar 1 is configured to be fitted. The hinge guider 37 is preferably to be coupled by welding, in the present invention, but illustrated as being coupled to the inner side where the first horizontal member 32 and the second vertical member 33 meet, the first horizontal member The first inclined member 34 and the first inclined member 34 may be coupled to each other or may be coupled to be positioned at an intermediate portion of the first horizontal member 32.

In addition, both ends of the first horizontal member 32 is integrally configured such that the locking shaft 38 having a predetermined length has a direction perpendicular to the axial direction to install and dismantle the support bar 1 or It is configured to prevent the fall prevention net 5 from being damaged by being prevented from being bent in a lower state than the first horizontal member 32 constituting the upper part of the lower bracket 3 due to other causes. .

That is, when the reinforcing member 13 of the support bar 1 coupled and fixed to the support pipe 6 by the connector 2 'is separated from the connector 2', by the weight of the support bar 1, The hinge 12 is rotated (rotated) about the hinge guider 37 so that it is further tilted outward, but the steel pipes 11 and 11 'of the support bar 1 are made of the first horizontal member 32. By engaging the locking shaft 38 provided at the end, it can be prevented from being further tilted further.

The upper bracket 4 is coupled to the end of the slab that separates the layers from layer to layer to prevent the fall arrest net 5 from being spaced apart from the end of the slab and at the same time fix the support bar 1 with the support pipe 6. The second horizontal having a third vertical member 41, the second horizontal member 42, the fourth vertical member 43 and the vertical handle 451 to prevent the shaking or rocking of the fall prevention net (5) A second vertical pressure plate 452 coupled to the screw 453 and a third horizontal member 46 having a hook 47 are formed.

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. It is configured to be fixed to one end of the.

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 preferable to configure so that longer and spaced apart from the third vertical member 41 by a predetermined interval.

And having a third horizontal member 46 having a shape that protrudes further forward at the lower end of the fourth vertical member 43, the hook 47 is coupled to the third horizontal member 46 to the inner wire ( 51 and the unit connecting member 26 ′ is coupled between the hook 47 and the end of the third horizontal member 46.

The fall prevention network (5) is to prevent accidents caused by falling objects or falls in a state that is drawn out by a predetermined length toward the outer wall between the floors and floors of the building, and the fall prevention network is located farthest from the nearest to the outer wall ( The inner wire 51 and the outer wire 52 are respectively inserted at both ends of the 5), the inner wire 51 is coupled or fixed to the third horizontal member 46 of the upper bracket (4) Hooked to the hook 47, the outer wire 52 is configured to be hooked to the hook 14 coupled to the end of the support bar (1).

This fall arrest net allows the worker to span between the first vertical member 31 and the second vertical member 33 of the lower bracket 3 at the end of the bottom slab 8, and screws to the first vertical member 31. As the first vertical handle 361 is rotated in the clockwise direction, the first horizontal screw shaft 363 rotates to move the first vertical pressure plate 362 to the outer wall, thereby fixing the lower bracket 3. .

In the process of fixing the two lower brackets (3) through this process, one is fixed completely, the other is fixed to be assembled, and then one side of the hinge 12 formed at the bottom of the support bar (1) First, the hinge guider 37 is inserted into the hinge guider 37 provided in the lower bracket 3, which is completely fixed, and the other side is inserted into the hinge guider of the other lower bracket that is preassembled.

Next, the lower bracket, which is pre-assembled, is moved to a proper interval or length in the lateral direction to fix the lower bracket, so that the second horizontal member 42 of the upper bracket 4 extends to the end of the ceiling slab 9, and the second vertical handle. As the second horizontal screw shaft 453 rotates 451 in a clockwise direction and is coupled thereto, it is fixed by the second vertical pressure plate 452 coupled to the end thereof.

Next, the connector 2 'is fixed to the reinforcing member 13 of the support bar 1, and the connector 2' is fixed to be completely coupled so that the end of the support pipe 6 does not fall out, and then the upper portion thereof. The connector 2 is fixed to the third horizontal member 46 of the bracket 4, and the other unit connecting member 26 'of the connector 2 is completely fixed to the third horizontal member 46 and then connected to the unit. The member 26 is temporarily assembled or temporarily fixed so that the support pipe 6 is not separated.

Next, after inserting the outer wire 52 and the inner wire 51 at both ends of the fall prevention net (5), the outer wire 52 is fixed to the ring 14 using a separate link, etc., the inner wire ( 51 hangs on the hook 47 fixed to the third horizontal member 46.

In this way, while all the fall prevention nets 5 are connected to the support bar 1 installed on one floor, the fall prevention net 5 is pushed out of the building, and at the same time, the hinge stand forming the bottom of the support bar 1 By the state where 12 is fitted to the hinge guider 37, the fall arrest net 5 is spread out of the building.

At this time, the one end of the support pipe 6 is temporarily assembled so as not to be separated from the unit connection member 26, so that the support pipe 6 moves while taking the form of sliding through the unit connection member 26. After the fall of the support pipe 6 is stopped in the state in which the fall prevention net 5 is fully unfolded, the installation of the fall prevention net 5 is completed by tightening the nut 25 to the maximum.

In the present invention, the fall prevention net (5) is at the ends of the hook 47 and the support bar 1, the inner wire 51 and the outer wire 52 inserted in both sides thereof is fixed to the third horizontal member 46, respectively. Although the fall prevention net (5) was pushed out of the building in the state of being caught by the hook 14, the support pipe 6 is prefabricated so that one end is not separated from the unit connecting member 26 in addition to this method. ) By holding it outward and pushing it outward so that the fall prevention net (5) can be unfolded, and then tighten the nut (25) to install it, and when dismantling the fall prevention net (5), loosen the tightened nut (25) only slightly. The support pipe 6 can be pulled out and disassembled.

In the present invention, the support bar (1) to expand the fall prevention net (5) to the outside of the building, and at the same time to maintain the unfolded state is made of steel pipes 13, 13 'pre-made, but in Figure 5 As shown, the scaffolding pipe commonly used in the field can be cut into suitable lengths and combined to have an A shape with a plurality of connectors.

In addition, in the present invention, the hinge stand 12 constituting the lower end of the support bar 1 is used to fit the hinge guider 37 of the lower bracket 3, but such a hinge guider 37 is not provided other forms When using the lower bracket having, it can be used by fixing the hinge 12 using the connector (2) (2 ') is coupled to both ends of the support pipe (6).

On the other hand, in the present invention, the lower bracket (3) and the upper bracket (4) and the first horizontal member (32) and to fix the protruding portion in the form perpendicular to the ends of the bottom slab (8) and ceiling slab (9) The second horizontal member 42 has been used to take the form of the lower opening, respectively, as shown in Figure 6, the shape of the bottom slab 8 and the ceiling slab 9 is cut at the end of the horizontal direction In the case of the shape, the first horizontal member 32 and the second horizontal member 42 may be configured so as to take the form of open side respectively.

Meanwhile, in the present invention, the end of the support pipe 6 is used to couple to the third horizontal member 46 coupled to the lower end of the fourth vertical member 43 by using the connector 2, but according to the working conditions. The third horizontal member 46 may be coupled to an upper end of the fourth vertical member 43 to fix an end of the support pipe 6.

As described above, the present invention can achieve the effect of increasing the safety and efficiency of the installation work while preventing the fall accident of the installer by installing and dismantling the fall prevention network inside the structure (building).

In addition, by removing the existing upper support installed on the upper part of the fall prevention network, it is possible to protect the falling workers more safely, and falling objects such as tools, concrete blocks and wood fall due to the collision of the upper support. It is possible to prevent the occurrence of disasters such as workers, pedestrians and traffic vehicles by preventing the departure from the outside of the guard net.

1 is a perspective view showing a state in which the fall prevention network is installed in accordance with 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 before the fall prevention network in accordance with the present invention.

Figure 4 is an exemplary view showing a state in which the fall prevention network unfolds in accordance with the present invention.

Figure 5 is a perspective view showing another embodiment of the support bar for supporting the fall prevention net according to the present invention.

Figure 6 is a side view showing another installation state 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 ': Connector

4: upper bracket 5: fall arrest net

6: support pipe 11,11 ': steel pipe

12: hinge 13, 13 ': reinforcing member

14: ring 51: inner wire

52: Outer wire

Claims (4)

In the fall prevention network installation structure is installed on the construction site configured to be fitted between both sides of the lower end of the support bar between the lower bracket, and both ends of the fall prevention net is caught between the upper bracket and the end of the support bar, The support bar 1 is configured to couple two steel pipes 11 and 11 'to the hinge table 12, and the steel pipes 11 and 11' are coupled to the hinge table 12. The open end is configured to be coupled to the ring 14 to the ends that are in contact with each other, but the reinforcing members 13 and 13 'are coupled to the internal space between the steel pipes 11 and 11'. The reinforcing member 13 and the upper bracket 4 are configured to be coupled to each other by the connector 2, 2 'coupled to both ends of the support pipe 6, respectively, the hook 14 and the upper bracket Falling prevention net installation structure, characterized in that the fall prevention net (5), the inner wire 51 and the outer wire (52) fitted between the connector (2) coupled to (4) is coupled to be caught and spread. The method of claim 1, The connector 2 is configured such that the movable piece 22 is coupled to the hinge 23 at one end of the connector body 21, and the incision groove 221 formed in the hinge fixed movable piece 22 is connected to the connector body ( 21 is composed of a unit connecting member 26 is fitted to the hinge bolt 24 coupled to the other end of the other end fixed by the nut 25, the other unit connecting member 26 'to the connector body 21 is rotated with each other Fall prevention network installation structure characterized in that the coupling is fixed to be. The method of claim 1, The lower bracket 3 is configured such that an end of the first horizontal member 32 is fixed to an upper end of the first vertical member 31 on which the first horizontal screw hole 311 is formed, and the first horizontal member 32 is fixed to the lower bracket 3. A second vertical member 33 longer in length than the first vertical member 31 is fixed to a lower portion of the first vertical member 31 so as to maintain a predetermined interval, and at the lower end of the second vertical member 33 of the first horizontal member 32. And a bracket body 35 having a first inclined member 34 fixedly inclined to an end thereof, wherein the first horizontal member 32 and the second vertical member 33 and the first inclined member 34 are formed. The hinge guider 37 having a hollow shape is coupled to the space provided inwardly, and the first vertical handle 361 is disposed outside the first vertical member 31, and the first vertical pressure plate 362 is disposed therein. ) Is coupled to the first horizontal screw shaft 363 is coupled to the horizontal screw hole 311, in the axial direction to both sides of the end of the first horizontal member (32) Falling prevention network installation structure, characterized in that the locking shaft having a direction perpendicular to the configuration is integrally configured. The method according to claim 1, wherein The upper bracket 4 is configured such that an end of the second horizontal member 42 is fixed to an upper portion of the third vertical member 41 on which the second horizontal screw hole 411 is formed, and the second horizontal member 42 is fixed. The fourth vertical member 43, which is longer than the third vertical member 41, is configured to be spaced apart from the third vertical member 41 by a predetermined interval, and the hook is disposed at the lower end of the fourth vertical member 43. A second horizontal screw shaft (47) is configured such that the end of the third horizontal member 46 is fixed, and the second vertical handle 451 is coupled to the second end of the second vertical pressure plate 452 at the other end ( 453) fall prevention network installation structure, characterized in that configured to be coupled to the second horizontal screw hole (411).