KR200238562Y1 - Safety net installation device for building - Google Patents

Abstract

The present invention relates to a safety net installation device for construction, the present invention is a safety net installation device is the first and second support members (30A, 30B) one end is coupled to the scaffolding pipe 20, and the first and second support members ( First and second auxiliary pipes 40A and 40B for preventing the other ends of the 30A and 30B from bending inward, and the first and second support members 30A and 30B to prevent sagging downward. , A net having two pipe supports (50A, 50B) and a winch (68) for tensioning the wires (66) installed on the first and second support members (30A, 30B) to which the safety net (70) is installed. It is composed of an installation unit (60). According to the present invention, the first and second support members 30A and 30B on which the safety net 70 is supported are installed to be connected to the scaffolding pipe 20 so that the safety net 70 can be pivotally connected to the slab (S). The safety of the worker can be improved by the inside of the), the safety net 70 to prevent the fall is installed by the wire 66 can be easily made the installation work of the safety net 70, safety net 70 ) Can prevent the deflection of the safety net 70 to be installed by being able to pull the wire 66 installed in the winch 68, the wire to the winch 68 even if the safety net 70 is further sag. The effect of being able to pull the 66 further to prevent its sag is provided.

Description

Safety net installation device for construction {SAFETY NET INSTALLATION DEVICE FOR BUILDING}

The present invention relates to a safety net installation device for construction, and more particularly to a safety net installation device that can be installed more safely and easily, the safety net deflection state can be easily corrected.

In general, the safety net for building is a kind of safety device to prevent the fall of the worker or various accessories are installed on the slab of the building without railings.

This safety net for construction is as shown in FIG. 1 so that the lower pipe (1) in the horizontal direction to be supported on the wall or scaffolding of the building, and to be slightly orthogonal to the building at both ends of the lower pipe (1). The vertical pipe 2 to be erected, and the horizontal pipe installed to form a rigid structure between the upper pipe 3 and each vertical pipe 2 installed in parallel with the lower pipe 1 at the upper end of the vertical pipe 2. A mesh support frame 5 composed of a pipe 4 or the like, a wire 6 continuously installed through upper and lower pipes 3 and 1 of the mesh support frame 5, and the wire ( 6) on both sides of the net and the opposite side is provided on each side of the longitudinal pipe (2) is tensioned in four directions by the binding line (7) and on each side of the upper pipe (3) Each side is fixedly connected and the other side is fixed to the upper scaffolding frame It consists of a frame support rope (9) consisting of a pair of two strands to support the net support frame (5).

However, in the structure of the conventional safety net for building, since the mesh support frame 5 is formed in a rectangular shape, the requirement of pipe is increased, and the frame support rope 9 for supporting the mesh support frame 5 has a mesh support frame ( 5) the frame support rope 9 is composed of two strands by the shape of the fall does not fall on the net support 8 when the worker falls, but rather falls on the frame support rope 9 is a factor that impairs the safety of the worker It became.

In addition, the conventional construction safety net in the installation method, first fixed the lower pipe (1) of the net support frame (5) to the wall and scaffolding frame, and then install the vertical pipe (2) orthogonally connected, horizontal pipe (4) ) And the upper pipe (3) must be installed continuously, and the work to insert the wire (6) with the mesh (8) installed through the upper pipe (3) and the lower pipe (1) must be continuously performed. Such installation is a problem that threatens the safety of workers because it cannot be assembled inside the building and inevitably must work outside the building.

On the other hand, the safety net installation structure according to the prior art as described above had a problem that can not remove the deflection of the net (8) once installed.

The present invention has been devised to solve the problems of the prior art as described above, the technical problem of the present invention can easily install the safety net for building on the slab of the building, can prevent the sag of the safety net at the source, Accordingly, to provide a means for adjusting the tension of the wire supporting the safety net.

1 is a perspective view showing a building safety net installed by the prior art.

Figure 2 is an exploded perspective view showing a safety net installation device according to the present invention.

3 is a perspective view of the coupled state of the safety net installation device according to the present invention.

Figure 4 is a view showing the installation process of the safety net installation device according to the present invention, 4a is a side view showing a state before installation, 4b is a side view showing an installed state.

5 is a perspective view showing a safety net installation apparatus according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: fixing bracket 20: scaffolding pipe

30A, 30B: First and second support members 31A, 31B: Mounting bracket

32: hinge hinge 32A: hinge bracket

32B: Fixture 32C: Tightener

32D: Clamp 40A, 40B: 1st and 2nd auxiliary pipe

50A, 50B: 1st and 2nd pipe support 60: Network installation part

62: fixed ring 63: the first guide roller

64: the second guide roller 65: the third guide roller

66: wire 67: latch mechanism

68: winch 70: safety net

72: hook

The present invention for solving the above technical problem is a scaffolding pipe for connecting the fixed bracket and the fixed bracket is installed on both sides of the slab of the building; First and second support members, one end of which is rotatably coupled to the scaffold pipe by a clamp hinge, and an installation bracket is fixed to each other inside of the other end; First and second auxiliary pipes, one end of which is hinged to the installation bracket and the other end of which is coupled to the scaffolding pipe, to prevent the other end of the first and second support members from bending inwardly; First and second pipe supports, each end of which is hinged to each other end of the first and second support members, and the other end is installed on an upper scaffold pipe installed on the upper slab; A fixing ring fixedly installed on one end of the first support member, a first guide roller fixedly installed on the other end of the first support member, a second guide roller fixedly installed on the other end of the second support member, and The third guide roller is fixedly installed on the upper surface of the second support member, one end is fixed to the fixing ring and the other end is guided in turn to the first, second, third guide roller, one end inside of the first support member Is provided with a latch mechanism fixed to the net installation portion consisting of a winch for winding the wire to adjust the tension; And a safety net installed in the wire as a safety net installed with a plurality of hooks.

The first and second support members may be formed of square pipes.

On the other hand, the clamp hinge is a hinge bracket of the '⊂' type formed so that each one end of the first and second support members are rotatably arranged; And a semi-cylindrical fixture fixedly installed on the rear side of the hinge bracket, and formed in a symmetrical shape with the fixture, one end of which is hinged to one side of the fixture, and the other end of which is fastened to the other side of the fixture by a bolt that is coupled to the bolt. It is characterized by consisting of a clamp fixed to the scaffolding pipe.

The network installation unit is characterized in that it further comprises a fourth guide roller which is installed in pairs with the first and second guide rollers, respectively, on each upper surface of the other end of the first and second support members.

Preferred embodiments of the present invention having the features as described above will be described in detail with reference to the accompanying drawings.

2 is an exploded perspective view showing the safety net installation device according to the present invention, Figure 3 is a perspective view of the combined state of the safety net installation device according to the present invention, Figure 4 is an installation process of the safety net installation device according to the present invention 4a is a side view showing a state before installation, and 4b is a side view showing an installed state. Hereinafter, one end of each of the first and second supporting members 30A and 30B means an end coupled to the scaffolding pipe 20, and the other end thereof is a portion that is not coupled to the scaffolding pipe 20, that is, the side opposite to the slab S. It means the end located in.

As shown in Figure 2 of the accompanying drawings, the safety net installation device according to the present invention is the first and second support members (30A, 30B) one end is hinged to the scaffolding pipe 20, and the first and second support The first and second auxiliary pipes 40A and 40B for preventing the other ends of the members 30A and 30B from bending inward, and the first and second support members 30A and 30B are prevented from sagging downward. First and second pipe support (50A, 50B) and the first and second support members (30A, 30B) is installed in the net mounting portion (60).

Each of these components will be described in more detail as follows.

The scaffolding pipe 20 is to connect the fixing brackets 10 which are respectively installed on both sides of the slab (S) of the building.

The first and second supporting members 30A and 30B are formed of a pipe having a rectangular cross section, and each end thereof is rotatably hinged to the scaffolding pipe 20 by a clamp hinge 32. Inside the other ends of the first and second support members 30A and 30B, 'c' shaped mounting brackets 31A and 31B are fixed to each other.

At this time, the installation distance of the first support member 30A and the second support member 30B may be arbitrarily set. That is, it may vary depending on the length of the slab (S).

On the other hand, the flange hinge 32 is a hinge bracket (32A) and the hinge bracket (32A) of the '⊂' type formed so that each one end of the first and second support members (30A, 30B) is rotatably arranged The semi-cylindrical fixture (32B) is fixed to the back and is formed in a symmetrical shape with the fixture (32B), one end is hinged to one side of the fixture (32B) and the other end to the other side of the fixture (32B) It consists of a clamp (32D) is fixed to the scaffolding pipe (20) made of a fastener (32C) that is fastened to the bolt to be tightened.

The clamp hinge 32 is positioned between the fixture 32B and the fastener 32C by positioning the scaffolding pipe 20, and then tightening the fastener 32C to the fixture 32B using a bolt and a nut. In this case, the clamp hinge 32 may be firmly fixed to the scaffolding pipe 20, and the hinge bracket 32A may be fitted into each end of the first and second supporting members 30A and 30B. Since it is formed in the 'c' shape, each end of the first and second supporting members 30A and 30B is inserted into the hinge shaft, and then each end is pivotally coupled to each other.

The first and second auxiliary pipes 40A and 40B are for preventing the other ends of the first and second support members 30A and 30B from bending inward, and each end of the first and second auxiliary pipes 40A and 40B is connected to the first and second support members. The mounting brackets 31A and 31B of 30A and 30B are arranged on a hinge axis, and the other ends thereof are coupled to the scaffold pipe 20 by a clamp or the flap hinge 32. When the first and second auxiliary pipes 40A and 40B are installed at a distance from the first and second support members 30A and 30B, each of the first and second support members 30A and 30B will be described later. It is to prevent the inside of each bend by the weight of the network installation unit 60.

The first and second pipe supports 50A and 50B are provided at one end of the upper slab S to support sag of the first and second support members 30A and 30B. The other end of the first and second support members 30A and 30B is hinged to the hinge shaft, and the other end is installed in the scaffolding pipe 20 of the upper slab S. At this time, each end of the first and second support members 30A and 30B has a '∪' shaped bracket so that one end of the first and second pipe supports 50A and 50B can be rotatably coupled to the hinge axis. It is desirable to install it.

On the other hand, the net installation portion 60 is for installing the safety net 70 to the first and second support members (30A, 30B), the fixing ring fixed to the upper end of the first support member (30A) (62), a first guide roller (63) fixedly installed on the other end surface of the first support member (30A), and a second guide roller (64) fixedly installed on the other end surface of the second support member (30B). ), A third guide roller 65 fixedly installed on one end of the second support member 30B, and one end is fixed to the fixing ring 62, and the other end thereof is fixed to the first, second and third guide rollers. The wire 66 guided in turn to the 63, 64, 65, and the latch mechanism 67 inside one end of the first support member 30A is fixedly installed to wind the wire 66 to reduce its tension. It consists of a winch 68 for adjustment.

That is, the mesh installation unit 60 is configured such that the wire 66 on which the safety net 70 is installed is installed by the winch 78 to adjust the deflection state of the safety net 70 or to deflect the safety net 70. It is configured to prevent the source.

The winch 68 has a structure in which a rotating shaft is arranged on the 'c' shaped bracket, and the latch mechanism 67 is provided with a gear having a tooth inclined in one direction at one end of the rotating shaft. One side of the cog wheel has a structure in which a latch pin that is always caught by the tooth by an elastic member (spring) is installed. Therefore, when the rotary shaft is rotated by coupling the tool to the other end of the rotary shaft, the wire 66 is wound around the rotary shaft, and the latch pin is caught by the teeth so that the wire 66 is not unwound and kept wound. Will be.

The safety net 70 is formed inside the wire 66 having a rectangular shape by the first, second and third guide rollers 63, 64, 65 and the winch 78 by a plurality of hooks 72. It is installed.

Referring to the operation of the present invention configured as described above in more detail.

In order to install the safety net installation device according to the present invention on the slab (S) of the building, first, each of the flap hinges 32 is fixedly installed on both sides of the scaffolding pipe 20 installed on the slab (S) of the lower floor. That is, after placing the scaffolding pipe 20 between the fastener 32B and the fastener 32C, the fastener 32C is tightened and fastened to the fastener 32B using a bolt and a nut.

In this state, the fixing ring 62, the first guide roller 63, and the first support member 30A provided with the winch 78 are vertically set, and one end thereof is the hinge bracket 32A of the clamp hinge 32. ) Is rotatably installed on the hinge shaft, one end of the first pipe support (50A) is hinged to the other end of the first support member (30A), the first auxiliary pipe to the mounting bracket (31A) One end of 40A is hinged, and the other end thereof is rotatably coupled to the scaffolding pipe 20 using a clamp hinge having the same function as the clamp hinge 32.

Subsequently, the second supporting member 30B provided with the second and third guide rollers 64 and 65 is vertically placed, and one end thereof is inserted into the hinge bracket 32A of the other clamp hinge 32 to be rotated by the hinge axis. It is possible to install, hinge the one end of the second pipe support (50B) to the other end, the one end of the second auxiliary pipe (40B) is rotatably installed after the installation bracket (31B) The other end is rotatably coupled to the scaffolding pipe 20 using a clamp hinge having the same function as the clamp hinge 32.

At this time, the distance of the first and second support members 30A and 30B may be arbitrarily set, but most of them vary depending on the length of the slab S. That is, the first and second support members 30A and 30B are installed to be close to each end of the scaffolding pipe 20 installed in parallel with the slab S.

First and second support members 30A and 30B having first and second auxiliary pipes 40A and 40B and first and second pipe supports 50A and 50B installed on both sides of the scaffolding pipe 20 in the same manner as described above. Is provided by the respective clamp hinges 32, the other ends of the first and second pipe supports 50A, 50B are temporarily fixed to the scaffold pipe 20 provided in the upper slab S.

This state is as shown in Figure 4a in the accompanying drawings so that the operator can work in a state that does not go out of the slab (S).

As described above, the first and second supporting members 30A and 30B are installed perpendicularly to the scaffolding pipe 20 installed in the slab S of the lower layer, and the fixing ring 62 installed in the first supporting member 30A. After the one end of the wire 66 is fixed to the other end, the other end of the wire 66 is guided to the first guide roller (63), the second guide roller (64) and the third guide roller (65) in turn to guide the It is fixed to the winch (78).

Subsequently, when the winch 68 is rotated by combining with a separate tool, the wire 66 is wound around the rotation shaft of the winch 68. Accordingly, one end of the wire 66 fixed to the fixing ring 62 is wound on the rotation shaft of the winch 68 while being guided to the first, second and third guide rollers 63, 64 and 65. The latch pin is caught by the teeth of the cog wheel so that the wound wire 66 is not loosened and is kept in a taut state.

In this state, the safety net 70 is unfolded so that its edge is positioned between the wires 66 having a rectangular square shape, and then the edge is hooked to the wire 66 by using a plurality of hooks 72. Fix it.

However, it is not limited to this installation order. That is, in the state before winding the wire 66 to the winch 68 by using the respective hooks 72 to secure the edge of the safety net 70 to the wire 66 to fix the wire (on the winch 68) 66) winding the safety net 70 will be able to be installed. By using this installation procedure, the installation of the safety net 70 can be made more easily.

In such a state, the fixed state of the first and second pipe supports 50A and 50B temporarily fixed to the upper scaffold pipe 20 is released and then slowly lowered to the first and second pipes as shown in FIG. 4B. The support members 30A and 30B have a constant angle.

In this case, the first and second support members 30A and 30B may be rotated to maintain a constant angle with respect to the virtual vertical line, and the first and second ends of the first and second support members 30A and 30B may be rotated. The other ends of the auxiliary pipes 40A and 40B are rotatably provided in the scaffolding pipe 20 by the clamp hinge 32.

When the first and second support members 30A and 30B are installed at the set angle in the above-described process, the first and second pipe supports 50A and 50B are firmly fixed to the upper scaffold pipe 20. As a result, the installation of the safety net 70 for preventing the drop is completed.

As such, the safety net 70 may be secured by being installed outward after being assembled inside the slab S, and the safety net 70 may be installed on one wire 66 to install the safety net 70. It can be made easily, the sag of the safety net 70 is to be eliminated by the left teeth (68).

On the other hand, according to another embodiment of the present invention, the network installation unit 60 has a structure further provided with a fourth guide roller 69. That is, as shown in FIG. 5, the first guide roller 63 and the fourth guide roller 69 on one side are respectively installed in different directions at the other end of the first support member 30A, and the second guide rollers. The fourth guide roller 69 different from 64 is installed at the other end of the second support member 30B in different directions, so that the safety net 70 is provided on both sides of the first and second support members 30A and 30B. It can be installed successively, because of this, even if the length of the slab (S) is formed to be able to easily apply and use.

Safety net installation device for building according to the present invention is because the safety net is supported by the first and second support members pivotally coupled to the scaffolding pipe to install the safety net is made inside the slab to improve the safety of the operator The safety net can be easily installed because the safety net is prevented from being dropped by the wire, and the safety net can be pulled tightly to the winch to prevent sagging of the installed safety net. Even if this sag is additionally provided by the winch to further pull the wire to prevent the sag is provided, according to another embodiment of the present invention, the fourth and fifth guide rollers are paired with the second and third guide rollers It can be installed on both sides of the first and second support members so that it can be easily applied to long slabs. The effects can be provided.

Claims (4)

Scaffolding pipe 20 for connecting the fixed bracket (10) and the fixed bracket 10 is installed on both sides of the building slab (S); First and second supporting members 30A and 30B, one end of which is rotatably coupled to the scaffolding pipe 20 by a clamp hinge 32, and mounting brackets 31A and 31B are fixed to each other inside of the other end, respectively; In order to prevent the other ends of the first and second support members 30A and 30B from bending inward, each end is hinged to the installation brackets 31A and 31B, and the other end is coupled to the scaffolding pipe 20. First and second auxiliary pipes 40A and 40B; The first and second pipes, one end of which is hinged to each other end of the first and second support members 30A and 30B, and each other end is installed in the upper scaffold pipe 20 installed in the upper slab S. Supports 50A, 50B; Fixing ring 62 fixedly installed on one end of the first support member 30A, a first guide roller 63 fixedly installed on the other end of the first support member 30A, and the second support member ( The second guide roller 64 is fixed to the other end surface of the other end of the 30B, the third guide roller 65 is fixed to the upper end of the second support member 30B, one end is caught by the fixing ring 62 The other end is fixed and provided with a latch mechanism 67 inside one end of the first support member 30A and the wire 66 guided in turn to the first, second and third guide rollers 63, 64 and 65. A mesh installation unit 60 formed of a winch 68 for winding the wire 66 and adjusting the tension thereof; And Safety net 70 is installed in the wire 66 with a plurality of hooks (72); Construction safety net installation device, characterized in that consisting of. 2. The building safety net installation apparatus according to claim 1, wherein the first and second support members (30A, 30B) are made of square pipes. The hinge hinge (32) of claim 1, wherein the clamp hinge (32) is formed such that one end of each of the first and second supporting members (30A, 30B) is inserted and pivotally rotatably formed; And The semi-cylindrical fixture 32B fixed to the hinge bracket 32A, which is fixed to the rear surface, is formed symmetrically with the fixture 32B so that one end is hinged to one side of the fixture 32B and the other end is the fixture 32B. Clamps (32D) fixed to the scaffolding pipe (20) consisting of a fastener (32C) is coupled to the other side of the bolt so as to be fastened; Construction safety net installation device, characterized in that consisting of. According to claim 1, wherein the network installation unit 60 is installed in pairs with the first and second guide rollers (63, 64) on each of the other upper surface of the first and second support members (30A, 30B), respectively Safety net installation device for building characterized in that it further comprises a fourth guide roller (69).