KR100631322B1 - 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 the support bar is coupled to the lower bracket, the fall prevention net installation structure is installed on the construction site configured to expand the fall prevention network between the end of the support bar and the upper bracket, the support bar is the outer pipe of the outer pipe The inner pipe to be inserted into one side is configured to be coupled by the coupling means, the hinge is coupled to the other side of the outer pipe and both sides thereof are coupled to the lower bracket as a first connector, the inner pipe and the upper bracket The inner wire is fitted to the hook fixed to the upper bracket, and the outer wire is fitted to the hook provided at the end of the inner pipe so as to expand the fall prevention net. It features.

Therefore, the present invention is to facilitate the installation according to the height of the floor of the construction structure by varying the length of the support bar for supporting the fall prevention network in the process of installing and dismantling the fall prevention network in the construction structure. This is to separate them from the storage and transport process of the support bar for efficient management.

Support bar, outer pipe, inner pipe, joining means

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 an exploded perspective view showing a support bar installed in the fall prevention network according to the present invention.

Figure 4 is a longitudinal sectional view of the support bar installed in the fall prevention network according to the present invention.

Figure 5 is an illustration showing the installation process of the fall prevention network according to the present invention.

Figure 6 is an exemplary 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: first connector

3: lower bracket 4: upper bracket

5: Fall prevention net 6: Support pipe

11: Outer pipe 12: inner pipe

13: coupling means 14: hinge

47: ring 51: inner wire

52: outer wire 121: hook portion

272,272 ': second end connection

The present invention relates to a fall prevention network installation structure, in particular fall prevention net used to be installed at the construction site in order to prevent accidents caused by falling of tools, concrete lumps and timber, as well as falling of workers generated during height work (or By installing a falling object prevention network and a safety screen inside the construction structure, it is possible to secure the safety of the installation worker, increase the work efficiency and the robustness of the installation structure, and support the fall prevention network. The length of the support bar is to be variable to facilitate the installation according to the height of the floor of the construction structure, and to separate it in the process of storage and transport of the support bar to be managed efficiently.

In general, a fall prevention net is installed to secure safety of workers and surrounding pedestrians in the process of constructing a building, and this fall prevention net 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 workers and falling of members and appliances.

The fall arrest net is coupled to the lower support pipe with a clamp so as to have a certain slope to the bracket fixed to the slab or balcony of the building, and installed so that the fall arrest net is spread on the lower support pipe combined, and the upper support at the end of the lower support pipe The pipe is installed to be joined.

However, the fall prevention net spread on the lower support pipe prevents workers or pedestrians from falling from the building to the ground and injuries to workers or pedestrians, but the fall prevention net is inclined 20 to 30 degrees outward from the outer wall of the building. If a worker falls down, it can be rolled once or twice in a fall prevention net or bounced toward the outer wall of the building, causing confusion or injury, and moreover, a fatal accident such as a fracture or spinal cord injury can occur if it falls and collides with an upper support pipe. There was this.

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 serious problem that a fall accident frequently occurs due to carelessness in the process of hanging at the end of the lower support pipe, and the lower support pipe is composed of two or more steel pipes, assembled, and then reconnected with the upper support pipe. It is a cause that requires a lot of labor and time.

On the other hand, as a solution to solve this problem has been proposed a number of installation methods in which the fall prevention net is installed in the upper portion of the lower support pipe, but the lower support pipe is composed of any limited length, so that the height gap between the floors As a result, there was a problem that the length of the fall prevention net could not be adjusted, and because the length of the lower support pipe was relatively long, a lot of space must be secured in advance during the manufacturing, transportation, installation, dismantling and storage. There was a troublesome problem.

The present invention has been created to solve the above problems, so that the length of the support bar for supporting the fall prevention network is variable to facilitate the installation according to the height of the floor of the construction structure, and also to store and transport the support bar It is separated from the process so that it can be managed efficiently.

In addition, by allowing the fall prevention network to be installed and dismantled within the construction structure, it is to ensure the safety of the installation worker to fundamentally increase the work efficiency and the robustness of the installation structure.

In addition to shortening the air by reducing the work time required to install the fall prevention network, it is possible to facilitate the inspection and supervision work by inspector or supervisor alone during construction supervision and supervision. In addition, the purpose is to provide a fall prevention network installation structure that can reduce the manpower costs by reducing the manpower.

In the present invention for achieving the above object is configured to be coupled to the support bar to the lower bracket, in the fall prevention network installation structure is installed on the construction site configured to expand the fall prevention net between the end of the support bar and the upper bracket, The support bar 1 is configured such that the inner pipe 12 inserted into one side of the outer pipe 11 is coupled by the coupling means 13, but the hinge stand 14 on the other side of the outer pipe 11. ) Is coupled to both sides of the lower bracket (3) by the first connector (2), the inner pipe 12 and the upper bracket (4) the second connector is installed at both ends of the support pipe (6) (272) (272 '), the inner wire 51 is fitted to the ring 47 fixed to the upper bracket (4), the hook 121 is installed at the end of the inner pipe 12 The outer wire 52 is inserted into the fall prevention net ( 5) is configured to unfold.

In addition, the coupling means 13 forms a screw portion 131 having a predetermined length on the outer circumferential edge of the outer pipe 11 so that the fixing member 132 having the nut 133 is coupled to the inner circumferential edge. It is composed of a plurality of positioning holes 121, 121 'formed in the inner pipe 12 to have a predetermined interval, the fixing hole 134 is formed in the screw portion 131, the fixing hole 134 The fixing pin 135 is inserted into the through) is characterized in that it is configured to be coupled through the positioning hole 121.

The fixing hole 134 formed in the screw part 131 is configured to have a long hole shape, and the fixing pin 135 is tied to one of the outer pipe 11 or the inner pipe 12 by a wire 135a. The outer pipe 11 is configured to be provided, and the object is achieved by providing an installation structure of the fall prevention net, characterized in that coupled to the hinge 14 by a welding joint by the reinforcing piece 111 formed on the other side.

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

Fall prevention network installation structure according to the invention is shown in Figures 1 to 4, the support bar (1), the first and second connectors (2) (272), the lower bracket (3), the upper bracket (4) and It consists of a fall arrest net (5) and a support pipe (6).

Here, the support bar (1) has a function to extend the fall prevention net (5) to the outside of the building outer wall is composed of an outer pipe 11, the inner pipe 12 and the coupling means 13 for connecting them. .

The outer pipe 11 is formed to have a predetermined length that is hollow inside and is configured such that the inner pipe 12 is inserted into the inner pipe 12 so that the length is adjusted back and forth.

To this end, the outer pipe 11 is coupled to the hinge bracket 14 on the other side opposite to the insertion side into which the inner pipe 12 is inserted, by welding joints, so that both sides of the outer pipe 11 are first to the lower bracket 3 which will be described later. It is configured to be coupled to the connector (2).

The inner pipe 12 is configured to be variable in any length along the axial direction in the state inserted into the outer pipe 11 to adjust the unfolding length and width of the fall prevention net (5).

To this end, the inner pipe 12 is formed with a plurality of positioning holes 121, 121 ′ at which the fixing pins 135 to be described later are fitted at regular intervals, and hooks 121 are formed at the ends of the inner pipe 12. It is comprised so that the wire 52 may be caught.

In the present invention, the outer pipe 11 and the inner pipe 12 have a hollow circular cross-sectional shape, but in addition to such a shape by having a polygonal shape such as a square, a hexagon, and an octagon, it is more used to increase the strength. desirable.

The coupling means 13 is composed of a positioning hole (121) (121 '), a screw portion 131, a fixing member 132 and a fixing pin (135).

Herein, the positioning holes 121 and 121 ′ are formed to penetrate at predetermined intervals from the outer circumferential portion of the inner pipe 12, and according to the position where the fixing pin 135 is inserted, the outer pipe ( 11) the length to be drawn out is variable and configured to be fixed at the same time.

The screw part 131 is provided with a function of restraining and releasing by moving the fixing member 132 for pressing the fixing pin 135 inserted into any one of the positioning holes 121 and 121 'back and forth. The outer periphery of the outer pipe 11, that is, the threaded portion 131 having a predetermined length is formed on the inlet side into which the inner pipe 12, which is the other end to which the hinge 14 is coupled, is inserted. More preferably, the screw portion 131 is formed of a square screw thread.

The fixing member 132 is integrally formed with a nut part 133 on the front surface of the inner circumferential portion, and a pressing piece or striking piece 132a having a predetermined length is integrally formed on the outer circumferential portion so that a separate tool or tool is provided. By hitting the striking piece 132a with a hammer, the fixing member 132 is configured to be moved back and forth while rotating along the threaded portion 131 so that the fixing pin 135 is restrained and released.

In addition, the threaded portion 131 formed in the outer pipe 11 is configured to have a shape through which a fixing hole 134 having a predetermined diameter passes.

Therefore, the fixing pin 135 passes through the positioning hole 121 of the inner pipe 12 positioned therein through the fixing hole 134, and then the end thereof is exposed to the outside, thereby fixing the fixing member 132. Separation is prevented by the pressing force.

In the present invention, the fixing hole 134 formed in the screw portion 131 is to have a circular shape having a predetermined diameter, it is more preferable to configure and use to have a long hole form in addition to this form.

In addition, the fixing pin 135 is configured to be tied to either the outer pipe 11 or the inner pipe 12 by a separate wire 135a, so that the fixing pin 135 is lost in the process of installation and dismantling. It is configured to prevent it.

In the present invention, the other side of the outer pipe 11 is to be coupled directly to the hinge 14 by a welding joint, but a separate reinforcing piece 111 on the other end of the outer pipe 11 in order to reinforce the coupling force. It is more preferable that the reinforcement piece 111 be welded to the hinge table 14 by forming a shape.

At this time, it is more preferable that one side or one end of the outer pipe 11 to which the reinforcing piece 111 is coupled as well as the hinge 14 is simultaneously coupled to the welded joint.

In addition, when a separate temporary material or the like other than the reinforcing piece 111 is used to be welded to the outer periphery or outer surface of each of the outer pipe 11 and the hinge table 14 by using a welded joint, the outer pipe ( 11) and the hinge table 14 can be prevented from being separated from each other or broken.

The support bar 1 is configured to be coupled to the upper bracket 4 by second connectors 272 and 272 'installed at both ends of the support pipe 6.

The first 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 pivot.

Here, the connector body 21 is formed to have a translator form through the punching and pressing process of the iron plate having a predetermined thickness, one side end of the movable piece 22 having a curved shape of the connector body 21 Is coupled to the hinge 23 on one side.

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 and the nut ( 25) is configured to be fixed.

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 at an arbitrary angle, and forms a shaft having a hollow shape 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.

In addition, the second connectors 272 and 272 'have the same shape as the first connectors 2 and are coupled to either the outer pipe 11 or the inner pipe 12 constituting the support bar 1. It is configured to be.

The lower bracket (3) is installed at the end of the floor slab (8) to distinguish between the floor and the floor of the building to support the lower end of the support bar (1) and at the same time the portion supported by the first vertical member ( 31), the first horizontal member 32, the second vertical member 33, the first inclined member 34 to be integrally screwed to the bracket body 35 and the first vertical member 31 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 while supporting the support bar 1. It can be fixed by the pipe 6 to prevent the fall of the fall prevention net (5), the third vertical member 41, the second horizontal member 42, the fourth vertical member 43, the second vertical handle And a second horizontal pressing plate 452 coupled to the second horizontal screw 453 having a 451, a ring 47 fixed to the fourth vertical member 43, and a third horizontal member 46.

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) is drawn out to the outside by a certain length from the outer wall side of the building to maintain the unfolded state is configured so that the inner wire 51 and the outer wire 52 are fitted to each end of the fall prevention net (5), respectively. The inner wire 51 is hooked to the hook 47 fixed to the fourth vertical member 43 of the upper bracket 4, and the outer wire 52 is coupled to the end of the inner pipe 12. The hook 121 is configured to be hooked.

The support pipe 6 has a third horizontal member 46 of the upper bracket 4 and an outer pipe 11 of the support bar 1 by second connectors 272 and 272 'coupled to both ends thereof. Or the support bar due to the impact force generated when the worker's fall or material falls from the upper part of the building in the state where the flow of the support bar 1 is coupled to the inner pipe 12 and the fall prevention net 5 is unfolded. It is configured to prevent 1) from being moved to the outside of the building or to the outside wall.

The fall prevention net 5 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 the first vertical member 31. As the first vertical handle 361 rotated in the clockwise direction, the first horizontal screw shaft 363 rotates to move the first vertical pressure plate 362 toward the wall, thereby installing the lower bracket 3. do. 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 fixed to the first horizontal member 32 with the first connector 2. .

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 first connector 2 previously coupled to the first horizontal member 32. (22) is closed and temporarily assembled with the nut (25).

At this time, the coupling of the outer pipe 11 and the inner pipe 12 constituting the support bar 1, first, by rotating the fixing member 132 coupled to the screw portion 131 of the outer pipe 11 fixing hole ( After the exposed portion 134 is exposed, the inner pipe 12 is inserted into the outer pipe 11, and the center of the positioning hole 121 formed in the inner pipe 12 is fixed to the outer pipe 11. ) To the center of the

Next, when the fixing pin 135 coupled to one end by the wire 135a is inserted through the fixing hole 134 having the same center, the fixing pin 135 is positioned in the positioning hole 121. The other end is exposed to a predetermined length through the fixing hole 134 while passing through).

Next, by rotating the fixing member 132 coupled to the screw 131, one end of the fixing member 132 presses the fixing pin 135 exposed to the outside of the fixing hole 134, the inner pipe 12 ) Is fixed in the withdrawn or inserted state.

At this time, by hitting the striking piece 132a formed on the outer circumferential edge of the fixing member 132 using a tool such as a hammer, it is possible to maintain the coupled state in which the pressing force is increased. That is, the fixing member 132 can be prevented from being rotated and released in the reverse direction in the coupled state.

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, the support pipe 6 is fixed between the inner pipe 12 of the support bar 1 and the third horizontal member 46 of the upper bracket 4 with the second connectors 272 and 272 'and then the fall prevention net Insert the outer wire 52 and the inner wire 51 at both ends of (5), and then the outer wire 52 is hooked to the hook 12 coupled to the end of the inner pipe 11, the inner wire 51 ) Is fastened to the ring 47 fixed to the fourth vertical member 43.

In this way, while the fall prevention nets 5 are all connected to the support bars 1 installed on one floor, the fall prevention nets 5 are pushed out of the building, and at the same time, the hinge bars forming the bottom of the support bar 1 are provided. Since the 12 is temporarily assembled to the first connector 2, the fall prevention net 5 is unfolded while being folded outward.

At this time, since the fall prevention net 5 is limited in length, the support bar 1 is prevented from being excessively folded outward.

Next, the first coupler 2 and the third horizontal member 46 of the upper bracket 4 which are preassembled between the first horizontal member 32 and the hinge table 12 of the lower bracket 3 are coupled to each other. By tightening the two connectors (272 ') as much as possible to complete the installation of the fall prevention net (5).

On the other hand, in the present invention, the first horizontal member 32 to secure the lower bracket 3 and the upper bracket 4 to the protruding portion of the bottom slab 8 and the ceiling slab 9 in a vertical shape. And the second horizontal member 42 are used to take the form of the lower portion, respectively, but as shown in Figure 6, the shape of the bottom slab 8 and the ceiling slab (9) at the end of the horizontal direction When taking the cut form, it can be configured and used so that each side of the first horizontal member 32 and the second horizontal member 42 is open.

As described above, the present invention allows the length of the support bar for supporting the fall prevention net to be varied in the process of installing the fall prevention net used to be installed at the construction site inside the construction structure to facilitate the installation according to the height of the floor of the construction structure. In addition, in the process of dismantling it, the support bar can be separated into an outer pipe and an inner pipe to be stored and transported, and thus an efficient management can be obtained.

In addition, the support bar can be installed and dismantled inside the building to improve the existing installation method and enhance the safety and work efficiency of the installer. The effect can be obtained to prevent the disaster caused by falling lumps, wood, etc.

In addition, it is possible to shorten the air by reducing the work time required for the installation of the fall prevention network, and can easily use it for the supervision and supervision work in the installation of the fall prevention network by the supervisor or the supervisor alone during the construction supervision and supervision. By reducing the manpower, more cost savings can be achieved.

Claims (3)

In the fall bracket structure installed on the construction site configured to be coupled to the lower bracket support bar, the fall prevention network is spread between the end of the support bar and the upper bracket, The support bar 1 is configured such that the inner pipe 12 inserted into one side of the outer pipe 11 is coupled by the coupling means 13, and the hinge stand 14 on the other side of the outer pipe 11. ) Is coupled to both sides of the lower bracket (3) by the first connector (2), the inner pipe 12 and the upper bracket (4) the second connector is installed at both ends of the support pipe (6) (272) (272 '), the inner wire 51 is fitted to the ring 47 fixed to the upper bracket (4), the hook 121 is installed at the end of the inner pipe 12 Installation structure of the fall prevention net, characterized in that the outer wire 52 is fitted to the fall prevention net (5) is configured to expand. The method of claim 1, The coupling means 13 is configured to form a screw portion 131 having a predetermined length on the outer peripheral edge of the outer pipe 11 so that the fixing member 132 having the nut portion 133 is coupled to the inner peripheral edge thereof. Consists of a plurality of positioning holes 121, 121 'formed in the inner pipe 12 to have a predetermined interval, the fixing hole 134 is formed in the screw portion 131, the fixing hole 134 Installation structure of the fall prevention net, characterized in that the fixing pin 135 is fitted so as to penetrate through the positioning hole 121. The method according to claim 1 or 2, The fixing hole 134 formed in the threaded portion 131 is configured to have a long hole shape, and the fixing pin 135 is tied to either the outer pipe 11 or the inner pipe 12 by a wire 135a. The outer pipe (11) is an installation structure of the fall prevention net, characterized in that coupled to the hinge by the hinge 14 by the reinforcing piece 111 formed on the other side.

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