KR100488912B1 - 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 support bar is coupled between the lower bracket, and the fall prevention network installation structure is installed in the construction site configured to expand the fall prevention network between the end of the support bar and the upper bracket, the support The bar is configured such that the two steel pipes are joined to the hinge by a welding joint so as to have a ∧ shape, and the steel pipe forms a hinge end extending in a predetermined length to the outside of the hinge joint where the steel pipe is joined to the first horizontal member. It is configured to be coupled to the first connector, it is configured to weld the first hook to the end of the support bar so that the outer wire is fitted, the inner wire is fitted to the second hook fixed to the upper bracket, the inside is Unit connecting member that is rotated at an arbitrary angle on both ends of the support pipe having a predetermined length in a straight line of hollow lines But configured such that the second connector is coupled is made, the second connector is to be configured to be coupled to a steel pipe, and the second connector is configured such that the feature is coupled to the third horizontal members.

Therefore, the present invention is to assemble the support bar by combining a plurality of cut pipes by welding joint, and to install and dismantle the assembled support bar in the building, thereby improving 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, the fall prevention network (or falling objects) installed and used in the construction site to prevent accidents caused by falling of workers, agglomeration of tools, concrete lumps and wood, etc. generated during height work Preventive nets and safety nets) can be installed or dismantled inside the construction structure to ensure the safety of installation workers and to increase the work efficiency and installation structure.

In order to ensure the safety of the workers and the surrounding pedestrians during the construction of the building, a fall prevention net is usually installed, and this fall prevention network is 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 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 such a fall prevention network, the installer fixes the bracket to the slab of the building, and the lower support pipe is inclinedly coupled to the fixed bracket by a clamp, and then moved to the outside of the building along the lower support pipe to expand the fall prevention net. There is a serious problem that frequently falls occur due to carelessness in the process of hanging on the end of the support pipe, and the lower support pipe has to go through several steps to be reassembled with the upper support pipe after assembling two or more steel pipes. As a cause of the problem, it takes a lot of labor and time.

The present invention has been created to solve such a problem as the fall prevention network to expand and at the same time the function of supporting the installation and dismantling work inside the building construction structure using a support bar made by anyone easily join the cut pipe by welding joints By doing so, it is possible to reduce the manpower and time required for the work to increase the economic efficiency, to secure the safety of the installation workers, and to remove the existing upper support pipe, etc. The purpose of the present invention is to provide a fall prevention network installation structure, which eliminates the need for more safety and strengthens the installation structure.

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) In the fall prevention net installation structure is installed on the construction site configured to expand (5), the support bar (1) is welded to the two steel pipes (11) (11 ') to have a ∧ shape on the hinge table (12). It is configured to be coupled to the joint, the steel pipe (11) (11 ') to form a hinge end (121) (121') extending to a predetermined length to the outside of the hinged joint 12, respectively, the first It is configured to be coupled to the horizontal member 32 by the first connector 2, the first hook 13 is welded to the end of the support bar (1) is configured to fit the outer wire 52, the upper portion The inner wire 51 is fitted to the second hook 47 fixed to the bracket 4, and the inner line is hollow. The second connector 272 (272 ') consisting of the unit connecting members 26, 26' which are rotated at an arbitrary angle to both side ends of the support pipe (6) having a predetermined length in the form is coupled, The second connector 272 is configured to be coupled to the steel pipe (11 '), the second connector 272' is configured to be coupled to the third horizontal member 46, fall prevention network installation structure In providing the object is achieved.

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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, second, third connectors (2) (272) (273), the lower bracket (3), the upper It consists of a bracket (4), a fall arrest net (5) and a support pipe (6).

Here, the support bar (1) is to extend the end of the fall prevention net (5) to the outside of the building, so that the two long steel pipes (11, 11 ') of long length to have a ∧ shape on the hinge table (12). It is joined by a welded joint.

In addition, the start end, which is a portion where the two steel pipes 11, 11 'are coupled to the hinge stand 12, is spaced apart to have a predetermined distance, and is joined by a welding joint, so that the opposite ends thereof are also in contact with the welding joint. The first hook 13 is configured at the end thereof to be joined by a welded joint.

In addition, both ends of the hinge 12 to the first horizontal member 32 of the lower bracket 3, which will be described later in order to be coupled by the first connector 2, the entire length of the hinge 12 is steel The pipe 11, 11 'is comprised so that it may have the state which was further drawn by the fixed length in both directions from the welded site | part.

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 connector 272, 272 ′ and the third connector 273 have the same shape as the first connector 2, so that the second connector 272, 272 ′ is formed of the support pipe 6. The steel pipe 11 'and the third horizontal member 46 to be described later are respectively coupled to both side ends, and the third connector 273 is provided between the support bar 1 and the reinforcing members 14 and 14' which will be described later. Configured to engage.

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 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. The third vertical member 41, the second horizontal member 42, the fourth vertical member 43, and the second vertical handle may be fixed by the pipe 6 to prevent the fall of the fall prevention net 5. A second vertical pressure plate 452 coupled to the second horizontal screw 453 having a 451 and a second vertical member 43 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) 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 caught by the second hook 47 fixed to the fourth vertical member 43 of the upper bracket 4, and the outer wire 52 is formed of the steel of the support bar 1. It is comprised so that it may be caught by the 1st hook 13 welded to the pipe 11 and 11 'end.

The support pipe 6 couples the third horizontal member 46 of the upper bracket 4 and the support bar 1 to each other by means of second connectors 272 and 272 'coupled to both ends thereof. The support bar (1) is moved to the outside of the building or to the outer wall due to the impact force generated when the fall or material of the worker falls from the upper part of the building while the fall prevention net (5) is unfolded. It is configured to prevent it.

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).

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 support bar 1 and the third horizontal member 46 of the upper bracket 4 by the second connectors 272 and 272 ', and then both ends of the fall prevention net 5 are fixed. Insert the outer wire 52 and the inner wire 51 into the outer wire 52 is fixed to the first hook 13 at the end of the support bar (1), the inner wire 51 is fourth Hanging on the second hook 47 fixed to the 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. As 12 is 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 connector 2 and the third horizontal member 46 of the upper bracket 4 are assembled between the first horizontal member 32 and the hinge 12 of the lower bracket 3. By tightening the second connector 272 'as much as possible to complete the installation of the fall prevention net (5).

Meanwhile, in the present invention, the support bar 1 is configured to be directly connected to the support pipe 6 using the second connector 272 and 272 ', but as shown in FIG. The reinforcing member 14 coupled to the third connector 273 so that each of the reinforcing members 14 and 14 'are coupled by the third connector 273 as a coupling means between the 11 and 11'. The second connector 272 coupled to the support pipe 6 is preferably configured to be used.

In addition, in the present invention, the support bar 1 is configured to be directly connected to the support pipe 6 by using the second connector 272, but in addition to this configuration, each of the reinforcing members between the steel pipes 11 and 11 '. (14) (14 ') is to be coupled to the welding joint as a coupling means, and the second connector 272 coupled to the support pipe (6) is configured to be installed on the reinforcing member 14 coupled to the welding joint It is more preferable to use.

In the present invention, in order to fix 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, the first horizontal member 32 and the first bracket 2, the horizontal member 42 is used to take the form of the lower opening, respectively, but 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 When taking the 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 supports the support bar supporting the fall prevention net by cutting the steel pipe so that anyone can easily assemble and manufacture the welding joint and install and dismantle the work inside the building, thereby improving the existing installation method and In order to improve safety and work efficiency, it also prevented workers from falling during the operation of high places and the accidents caused by falling of tools, concrete blocks and wood.

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.

Figure 6 is a side 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

11,11 ': Steel Pipe 12: Hinge Base

13: First Hook 47: Second Hook

51: inner wire 52: outer wire

272,272 ';: Second end connector 273: Third end connector

Claims (5)

The construction site is configured so that both sides of the bottom of the support bar (1) is coupled between the lower bracket (3), and the fall prevention net (5) is spread between the end of the support bar (1) and the upper bracket (4) In the fall prevention network installation structure installed in, The support bar 1 is configured such that two steel pipes 11 and 11 'are coupled to the hinge table 12 by a welding joint to have a ∧ shape, and the steel pipes 11 and 11' are welded. The hinge ends 121 and 121 ′ are formed to extend to the outside of the hinged hinge 12, respectively, to be coupled to the first horizontal member 32 by the first connector 2. The first hook 13 is welded to the end of the bar 1 so that the outer wire 52 is fitted, and the inner wire 51 is attached to the second hook 47 fixed to the upper bracket 4. The second connector 272, which is configured to be fitted, and which is formed of unit connection members 26 and 26 'which are rotated at an arbitrary angle at both ends of the support pipe 6 having a predetermined length in a straight line of hollow lines. 272 'is configured to be coupled, the second connector 272 is configured to be coupled to the steel pipe (11'), the second connector 272 'is a third horizontal Crash bangjimang fitting structure characterized by configured such that the combined material (46). delete delete delete delete