KR20220001947A - Safety device for steel tower work - Google Patents

Abstract

The present invention relates to a tower work safety device that can provide the safety of workers by providing a working space for workers to work and providing a hook fastening part that can fasten a safety ring to prevent falling. According to the present invention, the tower work safety device comprises: a horizontal work platform formed by extending from a pylon frame in the horizontal direction so that a worker can move and perform work; a wire for fastening the safety ring by the worker; and a fixing device for fixing the wire to the pylon frame. It has the effect of providing the safety of the workers in the sky by providing a space for the workers to work and by providing the fixing device to which the safety ring can be fastened.

Description

Safety device for steel tower work {SAFETY DEVICE FOR STEEL TOWER WORK}

The present invention relates to a safety device for working on a pylon, and more particularly, to provide a working space for workers to work and to provide a hook fastening part capable of fastening a safety ring to prevent a fall to protect the safety of workers. It relates to a safety device for pylon work that can be done.

Recently, a safety device has been introduced for the safety of workers who work in the sky above a pylon (refer to FIG. 1) supporting a transmission line supplying high-voltage power. Conventional safety devices consisted of a baeja-type safety suit equipped with a safety rope and a safety ring to prevent accidents from falling by workers.

Korean Patent Registration No. 10-2005282 discloses a work safety device for a transmission tower equipped with a safety suit, a safety rope, and a safety ring so that an operator can safely descend to the ground.

However, the conventional safety device was able to prevent a fatal accident when a worker fell, but did not prevent the fall, and furthermore, there was a problem in that a space for the workers to work in the narrow width of the pylon frame was not formed. In addition, there was a problem in that the workers felt the fear of falling in an open state below the space to perform the work.

Korean Patent No. 10-1229098 discloses a multi-purpose safety foot step that can provide a space for an operator to work in the sky.

However, the conventional safety foot step has a narrow width, so there is a risk that an operator may accidentally fall, and there is a problem in that the work efficiency is low in that a plurality of step must be fastened for work. Furthermore, in the case of a live wire insulator cleaning operation, there is a problem in that an operator is insufficient to support the body with a conventional foot step since a main water rod from which high-pressure washing water is used is used.

The present invention was created to improve the problems of the conventional safety device as described above, and it provides a space for workers to work and provides a fixing device to which the safety ring can be fastened to provide safety for workers in the sky. There is a purpose.

In order to achieve the above object, a safety device for working with a pylon according to the present invention includes: a working unit connected to a frame of a pylon to form a safe working space; And a ring fastening portion that can fasten the safety ring for the safety of the operator; may include

The work unit may include: a horizontal work table extending from the pylon frame in a horizontal direction so that a worker can move and perform work; may include

The horizontal workbench may be formed in a flat plate shape to support a worker.

The horizontal workbench, the frame may be formed in a grid structure to ensure the convenience of transport.

The work unit, in order to prevent the worker from falling, a vertical protector that is formed to rise vertically from the end of the horizontal work table; may further include.

The work unit may include: a workbench support device disposed between the pylon frame and the horizontal workbench so that the horizontal workbench can support the load of the worker; may further include.

The ring fastening portion, a wire for the operator to fasten the safety ring; and a fixing device for fixing the wire to the pylon frame. may include

The fixing device, the fixing body; and a fixing clip formed in a ring shape protruding from the outer surface of the fixing body to prevent the wire from being separated. Including, the wire may be disposed between the fixing body and the fixing clip.

The fixing device includes a fixing bolt for fixing the fixing body to the pylon frame; may further include.

The ring fastening unit, a tension adjusting device for adjusting the tension of the wire; may further include.

The tension adjusting device, the adjusting device body; a first screw to which the wire is connected to the head and coupled to one side of the adjusting device body; and a second screw to which the wire is connected to the head and coupled to the other side of the adjusting device body. may include

The wire may be adjusted to increase tension by pulling when the first screw and the second screw are tightened.

The ring fastening portion, a wire support device disposed on the pylon frame to prevent separation and flow of the wire; may further include.

The wire support device may include: a wire fixing part to which the wire is fixed; and a support body having one side connected to the wire fixing unit and the other side connected to the pylon frame; may include

The wire fixing unit may include: a wire inlet groove through which the wire may be introduced into an outer surface; may include

The wire lead-in groove may be formed to extend from the outer surface toward the inside so that the width becomes narrower, and then extend toward the inside so that the width becomes wider again in order to prevent separation of the lead-in wire.

The support body may be formed with a hole so as to be bolted to the pylon frame.

As described above, the safety device for pylon work according to the present invention has an effect of providing a space in which workers can work without fear by having a work unit.

In addition, there is an effect of protecting the safety of the worker by strengthening the coupling force with the safety ring of the conventional safety device by providing a ring fastening portion.

1 is a front view for explaining the external appearance of a typical pylon.
Figure 2 is a perspective view for explaining the structure of the pylon work safety device according to an embodiment of the present invention.
3a and 3b are a plan view showing a structure viewed from the top and a side view showing a structure viewed from the side in order to explain the structure of the working part of the pylon work safety device according to an embodiment of the present invention.
4 and 5 are a perspective view and a cross-sectional view viewed from one side for explaining the structure of the fixing device of the pylon work safety device according to an embodiment of the present invention.
6 is a plan view showing a structure looking down from the upper side in order to explain the structure of the tension control device of the pylon work safety device according to an embodiment of the present invention.
7 is a perspective view for explaining the coupling structure with the wire of the wire support device of the pylon work safety device according to an embodiment of the present invention.
8 is a plan view showing a structure looking down from the upper side to explain the structure of the wire support device of the pylon work safety device according to an embodiment of the present invention.

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

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated in the drawings and described in detail in the detailed description. This is not intended to limit the present invention to specific embodiments, and should be construed to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, terms such as first, second, etc. may be used to describe various components, but the components may not be limited by the terms. The above terms are only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may also be referred to as a first component.

The term “and/or” may include a combination of a plurality of related listed items or any of a plurality of related listed items.

When a component is referred to as being “connected” or “connected” to another component, it may be directly connected or connected to the other component, but other components may exist in between. can be understood On the other hand, when an element is referred to as being “directly connected” or “directly connected” to another element, it may be understood that the other element does not exist in the middle.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression may include the plural expression unless the context clearly dictates otherwise.

In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, and one or more other features It may be understood that the existence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded in advance.

Unless defined otherwise, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in a commonly used dictionary may be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, it is interpreted in an ideal or excessively formal meaning. it may not be

In addition, the following embodiments are provided to more completely explain to those with average knowledge in the art, and the shapes and sizes of elements in the drawings may be exaggerated for more clear explanation.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 9 .

1 shows the external appearance of a typical pylon, and FIG. 2 shows the structure of a pylon work safety device according to an embodiment of the present invention.

1 and 2 , the present invention may be formed in any one block of a conventional pylon, particularly a pylon having a mountain-type structure. The upper block of the pylon T may be formed in a shape in which a triangular pyramid-shaped steel frame is connected to both sides of a rectangular parallelepiped steel frame.

The safety device for pylon work according to the present invention includes a working part 100 that is connected to the frame of the pylon to form a safe working space and a ring fastening part 200 that can fasten the safety ring for the safety of the worker. can do.

Referring to FIG. 2 , the work unit 100 may be formed on one side of the cuboid-shaped steel frame of the pylon T. The work unit 100 may include a horizontal work bench 110 , a vertical protector 120 , and a work bench support device 130 .

The horizontal workbench 110 may be formed to extend from one side of the rectangular parallelepiped-shaped steel frame. A triangular pyramid-shaped steel frame may be connected to the other side of the rectangular parallelepiped-shaped steel frame. (See Fig. 3a)

The horizontal workbench 110 may be formed to extend from the steel frame of the pylon in the horizontal direction so that the operator can move and perform work. In one embodiment of the present invention, the horizontal workbench 110 may be formed in a flat plate shape to support the operator. In another embodiment of the present invention, the horizontal workbench 110 may be formed so that the frame is overlapped in a lattice structure to ensure the convenience of transport. When it is formed in a flat plate shape, the supporting force to support the operator is strong, and when it is formed in a lattice structure frame, it is possible to improve transport convenience, so the environment of the place where the pylon T is disposed or the arrangement height of the work unit 100 can be selected taking into account.

The vertical protector 120 may be formed to rise vertically from the end of the horizontal workbench 110 in order to prevent the operator from falling. Referring to FIG. 2 , the vertical protector 120 may be formed of a frame having the upper body of the operator in the shape of '┏┓'. The vertical protector 120 may include a support of a grid structure in the inner space of the frame to support the load of the operator.

The workbench support device 130 may be disposed between the pylon frame and the horizontal workbench 110 so that the horizontal workbench 110 can support the load of the operator. In general, considering the weight of the operator and the work equipment, the horizontal work table 110 is required to have a bearing capacity that can withstand a load of about 120 kg or more and 180 kg. The workbench support device 130 may be selected and arranged in a configuration capable of improving the bearing capacity of the horizontal workbench 110 by dispersing the load received by the horizontal workbench 110 and transferring it to the pylon frame.

According to the embodiment of Figure 2, the ring fastening unit 200 may be arranged on the upper frame of the steel frame in which the working unit 100 is disposed. The ring fastening unit 200 may include a wire 210 , a fixing device 220 , a tension adjusting device 230 , and a wire supporting device 240 .

The wire 210 may be disposed on the upper steel frame of the steel frame supported by the operator so that the operator can fasten the safety ring. In a typical pylon work, there was a case in which the safety ring was fastened to a hole existing in the steel frame instead of a separate wire 210, but according to the embodiment of the present invention, the safety ring is fastened to the separate wire 210, so that the operator When moving, the safety ring can move together. Therefore, it is possible to reduce the inconvenience in the work that the worker has to move and to separate the safety ring and then fasten it again, and furthermore, it is possible to fundamentally prevent a fall accident of the worker that may occur when the safety ring is separated.

The fixing device 220 may serve to fix the wire 210 to the pylon frame. A detailed configuration of the fixing device 220 will be described later with reference to FIGS. 4 and 5 .

The tension adjusting device 230 may perform a function of adjusting the tension of the wire 210 . The wire 210 needs to be pulled with a tension of a certain strength or more in order to prevent the flow of the fastened safety ring. This is to prevent the possibility that the worker may feel a psychological fear when the flow occurs in the safety ring, and that a fall accident due to the flow may occur.

As the tension adjusting device 230, a device capable of adjusting the tension of the wire 210 may be selected, and an embodiment using a turnbuckle among them will be described later with reference to FIG. 6 .

The wire support device 240 may be disposed on the pylon frame to prevent the wire 210 from being separated and from flowing. The wire support device 240 may connect the pylon and the wire 210 to strengthen the support force of the wire 210 . Two or more wire support devices 240 may be disposed in consideration of the length of the wire 210 . In addition, both sides may be disposed between the fixing devices 220 to support the wire 210 fixed by the fixing device (220). A specific shape of the wire support device 240 will be described later with reference to FIGS. 7 and 8 .

3a and 3b show a structure viewed from the top and a structure viewed from the side in order to explain the structure of the working part of the pylon work safety device according to an embodiment of the present invention.

As described above, the work unit 100 may include a horizontal work surface 110 , a vertical protector 120 , and a work surface support device 130 .

Referring to FIG. 3A , the horizontal workbench 110 may be formed to extend by a predetermined length from the pylon frame in the horizontal direction so that the operator can move and perform work. In this case, the predetermined length may be selected in consideration of the longest length that can withstand the load of the operator and the minimum length in consideration of the operator's work convenience. When the length of the horizontal workbench 110 is greater than or equal to a certain length, it may not be able to withstand the torque generated by the load, so it should be formed to be less than or equal to the longest length. At this time, the predetermined length may be set by dividing the torque that can be endured by the operator's normal load (r = T/mg) in consideration of the materials of the horizontal workbench 110 and the pylon.

Referring to FIG. 3B , the vertical protector 120 may be formed to rise vertically from the end of the horizontal workbench 110 in order to prevent the operator from falling. The height of the vertical guard 120 may be set to a predetermined length in consideration of the normal height of the operator.

4 and 5 show a structure in which the wire 210 and the fixing device 220 are combined in the pylon work safety device 1 according to an embodiment of the present invention.

4 and 5 , the fixing device 220 may further include a fixing body 221 , a fixing clip 222 and a fixing bolt 223 . It is assumed that the fixing device 220 is connected to the pylon frame T and will be described in detail below.

The fixed body 221 serves as a body of the fixing device 220 and may be disposed to be connected to one surface of the pylon frame T. The shape of the fixed body 221 may be formed to correspond to the outer surface of the pylon frame (T). According to the present embodiment, the pylon frame T may be formed in a shape such as 'II', and the shape of the fixed body 221 may be formed in a corresponding rectangular parallelepiped shape.

The fixing clip 222 may be formed in a ring shape protruding from the outer surface of the fixing body 221 so that the wire 210 does not separate from the fixing device 210 . Therefore, referring to FIGS. 4 and 5 , the wire 210 may be disposed between the fixing body 221 and the fixing clip 222 to be fixed.

The fixing clip 222 may be formed so as to be inserted into a hole formed on the outer surface of the fixing body 221 to be fixed. The shape of the fixing clip 222 may be selected and formed so as to fix the wire 210 to the fixing body 221 .

The fixing bolt 223 may fix the fixing body 221 to the pylon frame T. A plurality of holes are typically formed in the pylon frame T, and the shape of the fixing bolt 223 may be formed with a length and thickness that can be fixed to the corresponding holes. A fixing nut 224 (not shown) may be further included so that the fixing bolt 223 can be bolted to the hole. The fixing bolt 223 and the fixing nut 224 may be bolted with the fixing body 221 and the pylon frame T interposed therebetween to fix the fixing body 221 to the pylon frame T.

6 shows the structure of the tension adjusting device 230 of the pylon work safety device 1 in accordance with an embodiment of the present invention as viewed from above.

As described above, the tension adjusting device 230 may be a device capable of adjusting the tension of the wire 210 may be selected, and among them, according to the embodiment according to FIG. 6 , the tension adjusting device 230 is a turnbuckle (Turn) buckle) can be selected.

A turnbuckle is a component used to control the length or tension of wires, ropes, and wires in general.

Referring to FIG. 6 , the tension adjusting device 230 may include an adjusting device body 231 , a first screw 232 , and a second screw 233 .

In detail, the first screw 232 and the second screw 233 are each connected to the wire 210 in the head portion, respectively, are inserted into both sides of the adjusting device body 231 are coupled. Referring to the embodiment of FIG. 6 , the first screw 232 and the second screw 233 may be tightened to a position spaced apart by a predetermined distance without their ends touching each other.

After the wire 210 is installed, the length may be extended by a natural environment, such as a rise in temperature and rain, and the tension may be lowered. When the operator tightens the first screw 232 and the second screw 233 of the tension adjusting device 230 to increase the tension of the lowered wire 210, the wire 210 is pulled by the forward length of the screw to increase the tension. can In this case, the distance between the ends of the first screw 232 and the second screw 233 may be further narrowed.

7 and 8 show the structure of the wire support device 240 of the pylon work safety device 1 and the coupling structure with the wire 210 according to an embodiment of the present invention.

7 and 8 , the wire support device 240 may include a wire fixing part 241 and a support body 242 .

The wire fixing part 241 has a configuration to which the wire 210 can be fixed, and in more detail, a wire lead-in groove 241a may be formed along the outer surface to allow the wire 210 to be drawn toward the center.

In detail, the wire lead-in groove 241a may be formed to extend from the outer surface of the wire fixing unit 241 toward the inside so that the width becomes narrower, and then extend toward the inside so that the width becomes wider again. In this case, the interval of the narrowest portion of the wire lead-in groove 241a may be selected as much as the distance through which the wire 210 can be introduced, corresponding to the diameter of the wire 210 . Therefore, after the wire 210 is introduced, if it passes through the narrowest gap of the wire lead-in groove 241a, it is possible to prevent the wire 210 from being separated from the wire lead-in groove 241a by natural flow, not by manpower. have.

The support body 242 may be formed in a flat plate shape in which one side is connected to the wire fixing part 241 and the other side is connected to the pylon frame (T). 7 and 8, the support body 242 is formed with a plurality of holes may be bolted to the corresponding holes of the wire fixing portion 241 and the pylon frame (T).

Although the present invention has been described in detail through specific examples, it is intended to describe the present invention in detail, and the present invention is not limited thereto. It is clear that the transformation or improvement is possible by the person.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific scope of protection of the present invention will be made clear by the appended claims.

1: Pylon work safety device
100: work unit
110: horizontal workbench
120: vertical protector
200: ring fastening part
210: wire
220: fixing device
230: tension control device
240: wire support device
241: wire fixing part
241a: wire entry groove
242: support body

Claims (17)

a working unit connected to the frame of the pylon to form a safe working space; and
A ring fastening part that can fasten the safety ring for the safety of the operator;
Safety device for pylon work, including.
According to claim 1,
The work unit,
a horizontal workbench extending from the pylon frame in a horizontal direction so that a worker can move and perform work;
Safety device for pylon work, including.
3. The method of claim 2,
The horizontal workbench,
Safety device for pylon work, characterized in that it is formed in a flat plate shape to support a worker.
3. The method of claim 2,
The horizontal workbench,
Safety device for pylon work, characterized in that the frame is formed in a lattice structure to ensure the convenience of transport.
3. The method of claim 2,
The work unit,
In order to prevent the fall of the operator, the vertical protector is formed to rise vertically from the end of the horizontal workbench;
Safety device for pylon work further comprising a.
3. The method of claim 2,
The work unit,
a workbench support device disposed between the pylon frame and the horizontal workbench so that the horizontal workbench can support the load of the operator;
Safety device for pylon work further comprising a.
According to claim 1,
The ring fastening part,
Wire for fastening the safety hook by the operator; and
a fixing device for fixing the wire to the pylon frame;
Safety device for pylon work, including.
8. The method of claim 7,
The fixing device is
fixed body; and
a fixing clip formed in a ring shape protruding from the outer surface of the fixing body to prevent the wire from being separated;
including,
The wire is
Safety device for pylon work, characterized in that it is disposed between the fixing body and the fixing clip.
9. The method of claim 8,
The fixing device is
a fixing bolt for fixing the fixing body to the pylon frame;
Safety device for pylon work further comprising a.
8. The method of claim 7,
The ring fastening part,
a tension adjusting device for adjusting the tension of the wire;
Safety device for pylon work further comprising a.
11. The method of claim 10,
The tension control device,
regulator body;
a first screw to which the wire is connected to the head and coupled to one side of the adjusting device body; and
a second screw to which the wire is connected to the head and coupled to the other side of the adjusting device body;
Safety device for pylon work, including.
12. The method of claim 11,
The wire is
Safety device for pylon work, characterized in that when the first screw and the second screw are tightened, the tension is adjusted so that the tension is strong.
8. The method of claim 7,
The ring fastening part,
a wire support device disposed on the pylon frame to prevent separation and flow of the wire;
Safety device for pylon work further comprising a.
14. The method of claim 13,
The wire support device,
a wire fixing part to which the wire is fixed; and
a support body having one side connected to the wire fixing unit and the other side connected to the pylon frame;
Safety device for pylon work, including.
15. The method of claim 14,
The wire fixing part,
a wire inlet groove through which the wire can be introduced into the outer surface;
Safety device for pylon work, including.
16. The method of claim 15,
The wire inlet groove,
Safety device for pylon work, characterized in that in order to prevent separation of the introduced wire, it is formed to extend from the outer surface toward the inside so that the width becomes narrow, and then extends toward the inside so that the width becomes wider again.
15. The method of claim 14,
The support body,
A safety device for pylon work in which a hole is formed for bolting to the pylon frame.

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