KR20040015521A - A Protection Shelf for falling a thing - Google Patents

Abstract

PURPOSE: A safety shelf is provided to simplify a construction work and a maintenance work, to shorten a period of construction and to secure the safety of a worker to the maximum. CONSTITUTION: The safety shelf comprises: many supports fixed to a wall of a building to be separable at regular intervals; many frame members(20) provided with upper, lower clamps(21,22) attached to inner, outer ends and arranged to be inclined upward at regular intervals; an inner short pipe(30) fastened to the lower clamp(22) of the frame members(20) and installed horizontally along a wall of a building; an outer short pipe(40) fastened to the upper clamp(21) of the frame members(20) and facing with the inner short pipe(30); a safety net(60) covering on a frame formed by inner, outer short pipes(30,40) of the frame members(20); and wire ropes(70) for many hangers fastened to the supports and provided with a vertical cord(71) suspending the inner short pipe(30) and an inclined cord(72) whose one end is fixed to the outer short pipe(40) and the other end is fastened to the support to support the outside of the frame member(20) not to be hung down.

Description

A Protection Shelf for falling a thing}

The present invention relates to a falling object protection shelf to be installed on the outer wall of the building to prevent safety accidents caused by falling or fall of the worker during construction work, in particular by allowing the installation and disassembly of the facility in a simple assembly type In addition to easy construction and short air, it is easy to maintain, and to be flexible and flexible bending in the event of a crash by the operator of the falling object protection shelf to ensure the maximum safety of the worker.

In the construction site of a building, if a worker falls down or construction equipment falls, it may cause a serious safety accident. To prevent this, it is common to install a drop protection shelf around the outer wall of a building under construction.

Ordinary fall protection racks are installed to have a certain angle to the outside of the building by covering a safety net, a safety sheet, a plywood or a metal plate on the outside of the frame made by weaving metal pipes vertically and horizontally.

As a conventional example of such a falling object protection shelf has been disclosed in Korean Laid-Open Patent Publication No. 2002-0032853.

As shown in Figs. 1A and 1B, this conventional protection shelf is fixed to upper and lower balcony jaws 1 of a building and has upper and lower floor support brackets 2 each having fixed clamps 2a and 3a. 3) and; A lower short pipe pipe 4 fixedly installed by the lower bracket 3 and provided with a plurality of fastening rings 4a movable from side to side; The frame is coupled to the lower end pipe (4) while being fastened to the fixed clamp (3a) of the lower floor support bracket (3) is installed inclined upward in the outward direction of the building, the frame having a plurality of binding rings (5a) on both sides of the inner surface (5); An upper end pipe (6) connected to the upper portion of the frame (5) in a transverse direction and having a plurality of fastening rings (6a) movable left and right; An inclined bracing material (7) for connecting and supporting the upper end pipe (6) and the upper bracket (2); The upper and lower ropes 8a fixed to the binding rings 4a and 6b are fixed to the upper and lower ends, and both ends thereof are configured as safety nets 8 fixed to the binding ring 5b.

In the conventional protection shelf configured as described above, the safety net 8 installed on the quadrangular frame formed by the frame 5 and the upper and lower short pipes 6 and 4 installed on both sides is provided by a separate fixing device. Safety net (8) because it can be easily fastened using the binding ring (5a) or the binding ring (6a) (4a) provided in the frame (5) and the upper and lower tube pipe (6) (4) without being fastened There is an advantage that can be easily performed assembly.

However, the above-mentioned conventional fall protection shelf is not only difficult and expensive to manufacture due to the large number of components and the complexity of the frame, but also the installation and dismantling work is secured by fixing the bracket to two places such as an upper balcony and a lower balcony. There was a slow problem.

In addition, due to the corrosion of the welding site after installation a lot of welding site has a disadvantage in terms of durability, safety, structural defects and the number of times that can be used repeatedly.

In particular, by using the strength of the remaining frame members and braces unnecessarily strong, focusing only on the rigidity of the facility, there is a risk of serious injury in case of falling and colliding with the frame members or braces, as well as falling objects or falls. When a person collides with the support material, there is a serious problem of being thrown out of the safety net by the inclination angle and causing a second disaster.

Accordingly, the present invention has been made to solve the above problems of the prior art, an object of the present invention by lowering the strength of the frame member constituting the frame by one step and by using a kind of wire rope as a hanger material and brace material, In the event of a crash caused by a worker's fall, the facility is not completely damaged and the flexible bending function prevents the worker's safety as much as possible and provides a drop protection shelf to prevent secondary disasters caused by the rebound of falling objects.

Another object of the present invention is to simplify the constituent members of the facility and to be easily installed and dismantled in a prefabricated manner, the volume is small, easy material management, easy construction and maintenance, shorten the air, as well as inexpensive To provide a drop protection shelf that can be manufactured and installed at a cost.

It is another object of the present invention to provide a falling object protection shelf that can minimize the closed end due to corrosion of the welding site after installation, and to increase the number of times by minimizing the welding site of the components.

Figure 1a is a side view of the installation state of the drop protection shelf according to the prior art

Figure 1b is a perspective view of the main portion of the drop protection shelf according to the prior art

Figure 2 is a side view of the installation state of the drop protection shelf according to the invention

Figure 3 is a perspective view of the main portion of the drop protection shelf according to the present invention

Figures 4a and 4b is a perspective view and one side cross-sectional view showing a first embodiment of the support means applied in the protective shelf according to the present invention

Figure 5 is a side cross-sectional view showing a second embodiment of the support means applied in the protective shelf according to the invention

Figure 6 is a cross-sectional side view showing a third embodiment of the support means applied in the protective shelf according to the present invention

<Description of Symbols for Major Parts of Drawings>

10a, 10b, 10c: Supporting means 11: Bracket 11a: Front leg

11b: rear leg 11c: side stand 11d: guide nut

12: crimping hole 12a: bolt rod 12b: disc plate

13: Connecting bolt 14: Bolt rod 15: Butterfly nut

16: Channel material 17: Fixed bolt 18: Joint bolt

19: annular ring 20: frame member 21: upper clamp

22: lower clamp 23: intermediate clamp 30: inner single pipe

40: Outer short pipe 50: Auxiliary short pipe 60: Safety net

70: Hanger wire rope 71: Vertical string 72: Slant string

73, 74, 75: Clip 76, 77: Bonding ring 100: Wall

101: balcony 102: cone hole 103: buried nut

Dropping protection shelf of the present invention for achieving the above object, a plurality of support means that is detachably fixed to the wall of the building at regular intervals along the transverse direction of the building; A plurality of frame members having upper and lower clamps integrally attached to the inner and outer ends and disposed at regular intervals to be inclined upward in the outer direction of the building; An inner short pipe connected to the lower clamps of the frame members and installed horizontally along the wall of the building; An outer short pipe connected to the upper clamps of the frame members to face the inner short pipe; A safety net covered by the frame formed by the frame members and the inner and outer short pipes; It is bound to the support means and vertically descends downward to suspend the inner end pipe pipe, one end of which is fixed to the outer end pipe pipe and the other end is bound to the support means so that the outside of the frame member sags downward. It is a basic feature in the technical configuration that consists of; a plurality of hanger wire rope having a slanted line to support.

In addition, the present invention is characterized in that the four-way steel pipe having a cross-sectional condition of 50mm × 30mm × 1.5t thick so that the frame member is bent and cushioned during the crash of the operator.

The present invention having the technical features as described above is simple to manufacture because the frame assembly for supporting the safety net is completed simply by fastening the clamp and the short pipe pipe on the ground, the construction is completed by lifting to the installation position after fully assembled on the ground This is easy.

In addition, since the welding part is structurally limited to the clamp attachment part, durability degradation due to corrosion is minimized, thereby increasing the number of times of exclusive use.

In addition, if the operator falls or the construction equipment falls down and collides with the frame member or the slant line during the function after installation, the frame member or the slant line flexes flexibly to mitigate the impact and promote the safety of the worker. Falling objects do not rebound and fall down, completely preventing secondary disasters.

Hereinafter, the technical configuration of the present invention will be described in detail with reference to the accompanying drawings in accordance with embodiments of the present invention.

2 to 6, the protection shelf according to the present invention includes a support member fixed to a wall of a building, a frame member 20, an inner short pipe 30, and an outer short pipe 40 that are coupled to each other to form a shelf frame. And an auxiliary short pipe pipe 50, a safety net 60 covered by the shelf frame, and a wire rope 70 for a hanger that suspends the shelf frame covered with the safety net 60 to the supporting means.

The support means is a component that is detachably fixed to the wall at regular intervals along the transverse direction of the building to transfer and support the load of the facility according to the invention to the wall 100 of the building.

Such support means may be implemented in various ways depending on the installation location or design of the building of the present invention.

4a and 4b show a supporting means 10a suitable when the invention is installed near a balcony of a building.

The support means (10a) is a bracket (11) fitted to the balcony jaw 101 of the building, and the balcony jaw of the building together with the bracket (11) while being screwed to the bracket 11 and moved back and forth by screwing Compression sphere 12 is fixed while pressing the 101, the connection bolt 13 is coupled to the bracket 11, and the annular ring 19 is screwed with the connection bolt 143, the The annular ring 19 is characterized in that the middle portion of the hanger wire rope 70 is fitted.

The bracket 11 is formed of a cross leg 11c which integrally connects the front and rear legs 11a and 11b and the upper ends of the legs and is fitted to the balcony jaw 101 of the building. A guide nut 11d is attached to the rear leg 11b for guiding the screw turning of the crimping hole.

The crimping hole 12 is integrally attached to the tip of the bolt rod 12a and the bolt rod 12a which are screwed with the guide nut 11d while penetrating the rear leg 11b of the bracket 11 and the balcony. It consists of a disk-shaped plate 12b in close contact with the jaw 101.

The connecting bolt 13 is screwed with the annular ring 19 while the front end vertically penetrates the crosspiece 11c of the bracket 11 from below.

The annular ring 19 has a ring portion for restraining the hanger wire rope 70 and a vertical rod portion protruding to the upper portion of the ring portion to form a female thread portion, and the connecting bolt 13 is screwed to the female thread portion. do.

Figure 5 shows an example of the support means (10b) for supporting the present invention by using the cone hole 102 formed in the wall 100 due to the formwork installation of the wall concrete of the building.

The supporting means 10b includes a bolt rod 14 fixed while penetrating through the cone hole 102 formed in the wall, and a butterfly nut 15 fastened to an interior end of the bolt rod 14. It consists of an annular ring (19) screwed to the outdoor end of the bolt rod 14, characterized in that the hanger wire rope 70 is fitted to the annular ring (19).

Figure 6 shows an example of the support means (10c) for supporting the present invention by using the buried nut 103 embedded in the wall 100 due to the formwork installation of the wall concrete of the building.

The supporting means 10c includes a channel member 16 facing the outside of the embedding nut 103 implanted in the wall 100 of the building, and the embedding nut (through the channel member 16 toward the wall surface side). The fixing bolt 17 is coupled to the 103 and pushes the channel member 16 toward the wall, and the threaded portion protrudes in the direction opposite to the wall while penetrating the channel member 16 in the opposite direction to the fixing bolt 17. A joint bolt 18 and an annular ring 19 screwed to the joint bolt 18 are configured, and the hanger wire rope 70 is fitted to the annular ring 19 to be bound.

Frame member 20 is an important component of the present invention designed in consideration of the safety of the fall while enabling the disassembly and assembly of the shelf frame.

This frame member is made of four angle steel pipes whose cross section is 50mm long x 30mm long and 1.5t thick so as to bend and cushion when colliding by a worker's fall. Many are spaced apart.

Upper and lower clamps 21 and 22 are integrally attached to the inner and outer end portions of the frame member 20, and a stop clamp 23 is attached to the inner side of the upper clamp 21. The clamps are rotationally open and closed, and a general one for fixing a circular pipe is used.

The inner short pipe pipe 30 is fastened to the lower clamp 22 of the frame members 20 and installed horizontally along the wall of the building, and the outer short pipe pipe 40 is the upper clamp 21 of the frame members 20. It is fastened to) to form a quadrangular shelf frame with the frame member 20.

The auxiliary short pipe 50 is fastened to the stop clamp 23 of the frame member 20 to reinforce the structural rigidity of the shelf frame. The safety net 60 is covered with the opening of the shelf frame made as described above.

The safety net 60 is preferably made of nylon in consideration of corrosion resistance, assemblability and economical efficiency, but may be made of a metal wire, or may be made of a metal porous plate or a synthetic resin sheet rather than a mesh. .

Hanger wire rope 70 is a component that is suspended to the support means by hanging the shelf frame is installed safety net 60.

This hanger wire rope 70 is a metal wire rope that continues in a continuous body to the annular ring (19), and the two sides around the annular ring (19) to overlap each other, and then overlap the two lines together clip It consists of a vertical stripe 71 and the inclined stripe 72 which were picked up and divided by 73.

In addition, at the ends of the vertical line 71 and the slanted line 72, a portion of the ring ring portion 76, 77 formed by fixing the respective portions in a circular shape and fixed by clips 74 and 75, respectively, to form the strap ring portion. The inner and outer short pipes 30 and 40 are fitted to the 76 and 77 so as to be suspended.

On the other hand, the present invention made as described above is installed in such a way as to finally secure the support means to the wall of the building after lifting up after completing the assembly on the ground.

After installation, when the falling object collides with the frame member 20 as shown in the dashed-dotted line of FIG. 2, the frame member is bent and cushioned. When the falling object collides with the hanger wire rope 70, the wire rope flexes flexibly. As it is built and buffered, it is also horizontally deformed to prevent falling objects from falling to the ground.

According to the present invention, the falling object protection shelf configured as described above has the following effects.

Completely assembled on the ground and then lifted and installed through the method of assembling the supporting means on the wall, the height of the work to install the protective shelf is greatly reduced, easy construction and short air, there is no risk of exposure to the construction.

By lowering the strength of the frame members that make up the shelf frame by one step and using wire rope as a hanger material, the worker's personality is maximized through the buffering function that does not completely damage the facility in the event of a collision due to a falling object or a worker's fall. It protects and prevents secondary disasters caused by rebounds of falling objects as much as possible.

By simplifying the components of the facility and easily installing and disassembling them in a prefabricated manner, they are easy to manage due to their small volume, ease of construction and maintenance, shorten air, and are manufactured and installed at low cost. You can get a protective shelf that is elegant in appearance.

Since the welding part of the construction materials is limited to the attachment part of the frame member and the clamps, it is possible to minimize the closed end due to corrosion of the welding part after installation and to increase the number of dedicated times.

As described above, the present invention is not only easy to dismantle and less air and construction costs, it is a very useful invention to ensure the maximum safety of the operator.

Claims (6)

A plurality of support means detachably fixed to the walls of the building at regular intervals along the transverse direction of the building; A plurality of frame members 20 having upper and lower clamps 21 and 22 integrally attached to the inner and outer ends and disposed at regular intervals to be inclined upward in the outer direction of the building; An inner short pipe 30 fastened to the lower clamps 22 of the frame members 20 and installed horizontally along a wall of the building; An outer short pipe pipe 40 fastened to the upper clamps 21 of the frame members 20 to face the inner short pipe pipe 30; A safety net (60) covered by the frame formed by the frame members (20) and the inner and outer short pipe (30) (40); It is bound to the support means and has a vertical line 71 for hanging down the inner short pipe (30) vertically downward and its one end is fixed to the outer short pipe (40) and the other end is bound to the support means Dropper protection shelf, characterized in that consisting of; a plurality of hanger wire rope (70) having an inclined string (72) for supporting the outer side of the frame member 20 to prevent sagging down. According to claim 1, wherein the support means is a bracket (11) fitted to the balcony jaw 101 of the building, and the building with the bracket (11) while being screwed to the bracket 11 and moved back and forth by screwing Compression hole 12 is fixed while pressing the balcony jaw 101 of the connection, the connection bolt 13 is coupled to the bracket 11, and the connecting bolt 13 and the annular ring 19 is screwed And, the annular ring 19 is characterized in that the middle portion of the hanger wire rope 70 is fitted and bound. The method of claim 1, wherein the support means is a bolt rod 14 which is fixed while penetrating through the cone hole 102 formed in the wall due to the formwork installation of the wall concrete of the building, and the interior of the bolt rod 14 A butterfly nut (15) fastened to the side end portion and an annular ring (19) screwed to the outdoor end of the bolt rod (14), and the hanger wire rope (70) on the annular ring (19). Falling article protection shelf, characterized in that the middle part of the) is fitted. The support means according to claim 1, wherein the support means includes a channel member (16) facing the outside of the buried nut (103), which is planted in the wall due to the formwork installation of the wall concrete of the building, and the channel member (16) as a wall surface. A fixing bolt 17 coupled with the buried nut 103 while penetrating to the side to push and fix the channel member 16 to the wall surface, and a screw part penetrating the channel member 16 in a direction opposite to the fixing bolt 17. Is composed of a joint bolt (18) protruding in the opposite direction to the wall surface, and an annular ring (19) screwed to the joint bolt (18), the middle of the hanger wire rope 70 to the annular ring (19) Falling article protection shelf, characterized in that the part is fitted and bound. According to claim 1, wherein the frame member 20 is used to form a four-sided steel pipe having a cross section of 50mm × 30mm × 1.5t in thickness so as to be bent and cushioned in the event of a crash by the operator. Drop protection rack characterized in that. According to claim 1, wherein the frame member 20 is further provided with a stop clamp 23 inside the vicinity of the lower clamp 22, the auxiliary short pipe pipe 50 is fastened to the stop clamp 23 is installed Fall protection rack, characterized in that.