KR102583071B1 - Fixing device for ladder protective fence - Google Patents

Abstract

The present invention describes various embodiments related to a ladder barrier fixing device that can easily attach and detach a barrier from a ladder installed in a structure. According to one embodiment, the ladder barrier fixing devices are arranged side by side and spaced apart from each other. and a pair of frames formed in the longitudinal direction; At least one mounting portion formed on the pair of frames and hung on at least one of a plurality of steps arranged on the ladder; And a fixing member disposed at a position adjacent to the at least one mounting portion and coupled to and fixed to or detached from at least one of the plurality of scaffolds as it slides to attach and detach the protective screen from the ladder. In addition, various other embodiments are possible.

Description

FIXING DEVICE FOR LADDER PROTECTIVE FENCE}

Various embodiments of the present invention relate to a ladder safety net fixing device that can easily attach and detach a safety net from a ladder installed in a structure.

In general, ladders installed in structures (e.g. placing booms, tower cranes, and high-rise buildings) are equipped with safety barriers to prevent workers from falling and protect workers from falling.

For example, the protective fence is installed to prevent workers from falling when they climb or descend a ladder installed in a structure. Additionally, a protective fence fixing device can be used to fix the protective barrier to the ladder. The protective barrier fixing device may include a mounting device that secures the protective barrier by attaching and detaching it to the ladder and devices that fix the protective barrier to the ladder by bolting or welding.

However, when the protective fence is fixed to the ladder by a detachable mounting device among the conventional protective fence fixing devices, there is a problem in that the safety belt and tools carried by the worker while working are caught in the protective fence and the protective fence is removed from the ladder. there was.

In addition, among the conventional protective fence fixing devices, when the protective fence is fixed to a ladder by welding, the protective fence and the ladder are not separated, so the protective fence must be transported together with the ladder, increasing its weight and volume. Not only was it difficult to move, but the installation area was limited.

In addition, among the conventional protective fence fixing devices, when the protective fence is fixed to a ladder using bolts, there is a disadvantage in that the number of workers increases because the bolts must be loosened or refastened when attaching or detaching the protective fence.

Prior literature related to the present invention includes Republic of Korea Patent No. 10-1972305 (announced on April 26, 2019), which discloses a technology for “backrest wool assembly.”

In various embodiments of the present invention, in order to easily attach and detach a protective barrier to a ladder installed in a structure (e.g., placing boom, tower crane, and high-rise building), the protective barrier is fixed to the ladder according to a sliding movement or The aim is to provide a ladder guard fence fixing device that can be released.

However, the technical challenges to be achieved by various embodiments of the present invention are not limited to the above technical challenges, and other technical challenges may exist.

According to various embodiments of the present invention, a ladder barrier fixing device includes a pair of frames arranged side by side and spaced apart from each other and formed in the longitudinal direction; A plurality of protective screens spaced apart at regular intervals along the longitudinal direction of the frame; At least one mounting part formed on the upper or lower part of the frame and hung on at least one of a plurality of steps arranged on the ladder; A coupling portion formed between the at least one mounting portion and coupled to at least one of the plurality of footrests; and a fixing member disposed at a position adjacent to the at least one mounting portion and coupled to the coupling portion to be fixed or separated as it slides, wherein the fixing member includes: a base plate; a coupling groove that is coupled to or separated from the coupling portion as the base plate slides; first and second sliding moving holes formed at the upper and lower portions of the coupling groove, penetratingly coupled to the coupling protrusion protruding from the at least one mounting portion, and slidingly moving by an external force; One end of the first and second sliding movement holes is formed to be bent in the longitudinal direction, and is caught by the engaging protrusion at an end position of the sliding movement of the first and second sliding movement holes, and the engaging groove of the base plate is connected to the engaging portion. A fixing hole fixed in a coupled state; and the tile ends of the first and second sliding holes are formed to be bent in the longitudinal direction, and are caught by the engaging protrusion at the initial position of the sliding movement of the first and second sliding moving holes, and the engaging groove of the base plate is formed as the It may include a fixation release hole that is separated from the coupling part and releases the fixation.

According to various embodiments of the present invention, the at least one mounting portion includes: a pair of first mounting portions formed on an upper portion of the frame and hung on at least one of the plurality of footrests; A pair of second mounting portions formed at a lower portion of the frame and hung on at least one of the plurality of footrests, wherein the pair of second mounting portions are arranged in parallel with the first mounting portion in the longitudinal direction. And, among the plurality of footrests, the footrest may be mounted on other footrests other than the footrest mounted on the first mounting portion.

According to various embodiments of the present invention, a first coupling portion coupled to at least one of the plurality of footrests is disposed between the pair of first mounting portions, and the plurality of footrests are disposed between the pair of second mounting portions. A second coupling portion coupled to at least one of the two may be disposed.

According to various embodiments of the present invention, the coupling protrusion includes first and second coupling protrusions, and first and second bolts that are screwed may be disposed at ends of the first and second coupling protrusions.

According to various embodiments of the present invention, by constructing a fixing member that fixes or releases the fixing according to the sliding movement in order to attach and detach a ladder protective fence composed of a pair of frames and a protective barrier to a ladder installed in the structure, the operator It is possible to prevent the ladder guard from being separated from the ladder of the structure due to contact with the safety belt and tools carried by the user.

In addition, the protective screen can be easily attached and detached from the ladder using the first and second mounting portions and the fixing member included in a pair of frames, making it easy to install and remove the protective screen from the ladder. Therefore, the protective fence can not only reduce the volume and weight of the existing protective fence installed by welding on a ladder, but can also be moved without a ladder, making it easier to move the protective fence. In addition, the protective fence can be easily installed and removed from the ladder by using the above-mentioned fixing member instead of the bolts previously required when disassembling and assembling the ladder, so the protective fence can be disassembled from the ladder without much difficulty. and can be assembled. Therefore, the use of the protective screen can be further improved.

1 is an exploded perspective view showing the configuration of a ladder barrier fixing device according to various embodiments of the present invention.
Figure 2 is an exploded side view showing the configuration of a ladder barrier fixing device according to various embodiments of the present invention.
Figure 3 is a perspective view showing a state in which a ladder safety fence fixing device according to various embodiments of the present invention is coupled to a ladder.
Figure 4 is a perspective view showing a state before operation of the fixing member among the configuration of the ladder barrier fixing device according to various embodiments of the present invention.
Figure 5 is a side view showing a state before operation of the fixing member among the configuration of the ladder barrier fixing device according to various embodiments of the present invention.
Figure 6 is a perspective view showing the operating state of the fixing member among the configuration of the ladder barrier fixing device according to various embodiments of the present invention.
Figure 7 is a side view showing the operating state of the fixing member among the configuration of the ladder barrier fixing device according to various embodiments of the present invention.

Since the present invention can be modified in various ways and have various embodiments, some embodiments will be described in detail with reference to the drawings. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

Terms including ordinal numbers, such as 'first', 'second', etc., may be used to describe various components, but the components are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term 'and/or' includes any of a plurality of related stated items or a combination of a plurality of related stated items.

Additionally, relative terms described based on what is visible in the drawings, such as 'front', 'rear', 'top', 'bottom', etc., may be replaced with ordinal numbers such as 'first', 'second', etc. For ordinal numbers such as '1st', '2nd', etc., the order is in the mentioned order or arbitrarily determined, and can be arbitrarily changed as needed.

The terms used in the present invention are only used to describe specific embodiments and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in the present invention, should not be interpreted in an idealized or excessively formal sense. No.

The ladder barrier fixing device according to various embodiments of the present invention is a sliding device to attach and detach a ladder barrier composed of a pair of frames 20 and a barrier 2 to the ladder 1 installed on the structure A1. By constructing a fixing member that fixes or releases the fixation according to movement, the ladder barrier fixing device is one or more of various devices that can easily attach and detach the barrier (2) from the ladder (1). It may be a combination of the above.

Figure 1 is an exploded perspective view showing the configuration of a ladder guard fixing device according to various embodiments of the present invention, Figure 2 is an exploded side view showing the configuration of a ladder guard fixing device according to various embodiments of the present invention, and Figure 3 is a perspective view showing a state in which the ladder barrier fixing device according to various embodiments of the present invention is coupled to the ladder (1), and Figure 4 is a fixing member ( It is a perspective view showing the state before operation of 40), and Figure 5 is a side view showing the state before operation of the fixing member 40 among the configuration of the ladder barrier fixing device according to various embodiments of the present invention, and Figure 6 is a state of the present invention. It is a perspective view showing the operating state of the fixing member 40 among the configuration of the ladder barrier fixing device according to various embodiments, and FIG. 7 shows the fixing member 40 among the configuration of the ladder barrier fixing device according to various embodiments of the present invention. This is a side view showing the operating status of .

Referring to FIGS. 1 to 7 , the ladder barrier fixing device may include a pair of frames 20, at least one mounting portion 30, and a fixing member 40. For example, the ladder 1 may be placed on the structure A1. For example, the structure A1 may include a placing boom, a tower crane, and a high-rise building. The structure A1 in this embodiment will be described by applying a placing boom. For example, a hanging hole (A1-1) may be formed in the structure (A1) to be hooked and fixed to the hanging portion (1b) formed on the ladder (1).

The pair of frames 20 may be arranged side by side and spaced apart from each other so that they can be mounted on the ladder 1. For example, the pair of frames 20 may be formed in an elongated longitudinal direction (①).

The protective fence 2 may include a plurality of protective frames spaced apart from each other at regular intervals along the longitudinal direction ① on the pair of frames 20 to prevent workers from falling. For example, the plurality of protective borders may include a circular border with one side open. The protective screen 2 may be fixed to the pair of frames 20 by welding or bolting.

The at least one mounting portion 30 may be formed on the pair of frames 20 . For example, the at least one mounting portion 30 may be mounted on at least one of the plurality of scaffolds 1a arranged on the ladder 1 installed in the structure A1. For example, the at least one mounting portion 30 may include a pair of first and second mounting portions 31 and 32. For example, the pair of first mounting portions 31 may be hung and mounted on at least one step (1a) disposed at the top of the ladder (1), and the pair of second mounting portions (32) may be mounted on the ladder (1a). It can be hung and mounted on at least one footrest (1a) disposed at the lower part of (1).

The pair of second mounting portions 32 may be arranged side by side with the pair of first mounting portions 31 in the longitudinal direction, and the pair of second mounting portions 32 may be provided with the plurality of footrests ( Among 1a), it can be mounted on any footrest (1a) other than the footrest (1a) mounted on the pair of first mounting portions (31). The pair of second mounting portions 32 may be mounted on the footrests 1a simultaneously with the pair of first mounting portions 31.

For example, a coupling portion coupled to at least one of the plurality of footrests may be formed between the at least one mounting portion 30, and this coupling portion includes a first coupling portion 31a and a second coupling portion 32a. may include. For example, the first coupling portion 31a having an L-shaped bent portion coupled to at least one of the scaffolds 1a of the ladder 1 to be mounted is disposed between the pair of first mounting portions 31. It can be. For example, the pair of first mounting portions 31 may be hung and mounted on the footrest 1a and at the same time, the first coupling portion 31a may be coupled to the footrest 1a.

The second coupling portion 32a having an L-shaped bent portion coupled to at least one of the plurality of footrests 1a may be disposed between the pair of second mounting portions 32. For example, the pair of second mounting parts 32 may be hung and mounted on the at least one footrest 1a, and at the same time, the second coupling part 32a may be coupled to the at least one footrest 1a.

According to various embodiments, the first and second coupling portions 31a and 32a are described as having an L-shape, but are not limited thereto. For example, the first and second coupling parts 31a and 32a can be applied in various shapes as long as they are coupled to the at least one footrest 1a.

The fixing member 40 may be disposed at a position adjacent to the pair of second mounting portions 32. For example, the fixing member 40 attaches the ladder guard 10 to at least one of the plurality of scaffolds 1a according to a sliding movement in order to attach and detach the ladder guard 10 from the ladder 1. It can be fixed or unfastened.

For example, the fixing member 40 may include a base plate 41, a coupling groove 42, first and second sliding movement holes 43 and 44, a fixing hole 45, and a fixing release hole 46. there is. For example, the base plate 41 may form a coupling groove 42, first and second sliding movement holes 43 and 44, a fixing hole 45, and a fixing release hole 46, which will be described later.

The base plate 41 may include a “ㄷ” shaped plate. The base plate 41 may also have a shape other than the “ㄷ” shape.

The coupling groove 42 may be formed in the base plate 41. For example, the coupling groove 42 may be coupled to or separated from the second coupling portion 32a coupled to the at least one footrest 1a according to the sliding movement. For example, the coupling groove 42 may be formed concavely toward the inner direction of the center of the base plate 41.

The first sliding movement hole 43 may be formed on the upper part of the coupling groove 42 to face the vertical direction ② of the longitudinal direction ①. The first sliding movement hole 43 is coupled through a first coupling protrusion 50 protruding from the pair of second mounting portions 32, and can be slidably moved by an external force of an operator. For example, the first sliding movement hole 43 is coupled to the first coupling protrusion 50 protruding from the pair of second mounting portions 32 and is pushed by an external force of an operator (not shown). Can be moved by sliding.

The second sliding movement hole 44 may be formed in the lower part of the coupling groove 42 to face the vertical direction ② of the longitudinal direction ①. The second sliding movement hole 44 is coupled through a second coupling protrusion 51 protruding from the pair of second mounting portions 32, and can be slidably moved by an external force of an operator. For example, the second sliding movement hole 44 can be pushed and slid by an external force of the worker while being coupled through the second coupling protrusion 51 protruding from the pair of second mounting portions 32. .

The fixing hole 45 may be formed at one end of the first and second sliding movement holes 43 and 44 by bending it in the longitudinal direction and may be connected to the first and second sliding movement holes 43 and 44. . For example, when the fixing hole 45 moves to the sliding movement end position together with the first and second sliding movement holes 43 and 44, it is inserted into the first and second coupling protrusions 50 and 51 and is connected to the base. The coupling groove 42 of the plate 41 can be fixed in a coupled state to the second coupling portion 32a. For example, when the fixing hole 45 and the first and second sliding movement holes 43 and 44 move together to the sliding movement end position, the coupling groove 42 of the base plate 41 also moves to the sliding movement end position. It can be moved to , and at this time, the coupling groove 42 of the base plate 41 can be coupled to the second coupling portion 32a. At the same time, the fixing hole 45 can be inserted into and fixed to the first and second coupling protrusions 50 and 51 at the end position of the sliding movement.

At this time, since the first and second bolts (60, 61) that are screwed are disposed at one end of the first and second coupling protrusions (50, 51), the first and second bolts (60, 61) are connected to the fixing hole. The coupling groove 42 of the base plate 41 is fixed to the second coupling portion 32a by screwing one end of the first and second coupling protrusions 50 and 51 that protrude through (45). The status can be maintained.

For example, when the first and second sliding movement holes 43 and 44 slide and move to the sliding end position, the coupling groove 42 of the base plate 41 may also slide together. At this time, the coupling groove 42 may be coupled to the second coupling portion 32a coupled to at least one step 1a of the ladder 1. At this time, the ladder barrier 10 can remain fixed to the ladder 1.

The fixing release hole 46 is formed at the tile end of the first and second sliding movement holes 43 and 44 by bending it toward the longitudinal direction (①), and is also formed at the end of the first and second sliding movement holes 43 and 44. ) can be connected to. For example, when the fixing release hole 46 moves to the initial position of the sliding movement together with the first and second sliding movement holes 43 and 44, it is inserted into the first and second coupling protrusions 50 and 51 and at the same time, the The coupling groove 42 of the base plate 41 can be separated from the second coupling portion 32a to release the fixation.

For example, the first and second coupling protrusions 50 and 51 may be released from the fixing hole 45 and simultaneously released from their fixation. In this state, the fixing release hole 46 can slide along with the fixing hole 45 and the first and second sliding movement holes 43 and 44 that have been released.

At this time, when the fixing release hole 46, the first and second sliding movement holes 43, 44, and the fixing hole 45 move to the initial sliding movement position, the fixing release hole 46 moves to the first sliding movement hole 46. , 2 can be inserted into the coupling protrusions (50, 51).

For example, when the first and second sliding movement holes 43 and 44 are slid to their initial positions and returned to their original positions, the coupling grooves 42 of the base plate 41 may also be slid together to be repositioned. At this time, the coupling groove 42 may be separated from the second coupling portion 32a coupled with at least one footrest 1a of the ladder 1 and released. At this time, the ladder barrier 10 can be unfastened from the ladder 1 and separated at the same time.

At this time, the first and second bolts 60 and 61 disposed at one end of the first and second coupling protrusions 50 and 51 are screwed together again to form the coupling groove 42 of the base plate 41. 2 It can be maintained in an unlocked state at the coupling portion 32a.

Hereinafter, the specific operation of the ladder barrier fixing device 10 according to various embodiments of the present invention will be described with reference to the attached drawings, as follows.

First, as shown in FIGS. 1 to 3, the ladder barrier fixing device includes at least one pair of frames 20 and a pair of first and second mounting portions 31 and 32 arranged side by side and spaced apart from each other. It may include a mounting portion 30 and a fixing member 40. For example, the pair of first mounting portions 31 may be formed on the upper portion of the pair of frames 20, and the pair of second mounting portions 32 may be formed on the lower portion of the pair of frames 20. there is. The protective enclosure 2 may include a plurality of protective borders, and the plurality of protective borders may be spaced apart at regular intervals along the longitudinal direction ① of the pair of frames 20.

A first coupling portion 31a having a bent portion in an L-shape may be disposed between the pair of first mounting portions 31, and between the pair of second mounting portions 32 may be disposed in an L-shape. A second coupling portion 32a having a bent portion may be disposed. The fixing member 40 may be disposed at a position adjacent to the pair of second mounting portions 32. For example, the fixing member 40 may be disposed at a position adjacent to at least one of the pair of second mounting portions 32.

At this time, the first and second sliding movement holes (43, 44) of the fixing member (40) can slide on the first and second coupling protrusions (50, 51) protruding from the pair of second mounting portions (32). It can be coupled through penetration to do so.

At this time, the first and second coupling protrusions (50, 51) protruding from the pair of second mounting portions (32) are the fixing release holes ( 46) can be combined.

At this time, the first and second bolts 60 and 61 may be screwed to one end of the first and second coupling protrusions 50 and 51 that protrude through the fixing release hole 46.

For example, as shown in FIGS. 4 and 5, the first and second coupling protrusions 50 and 51 are coupled to the release holes 46 formed at the ends of the first and second sliding movement holes 43 and 44. When fastened at the same time, the first and second bolts (60, 61) screwed to one end of the first and second coupling protrusions (50, 51) are tightened so that the first and second coupling protrusions (50, 51) are It can be maintained in a fixed state in the fixing release hole 46 formed at the end of the first and second sliding movement holes 43 and 44.

In this state, when installing the ladder guard fence (10) with the guard fence (2) disposed on the pair of frames (20) on the ladder (1) installed on the structure (A1), the pair of frames (20) It can be mounted from top to bottom on a plurality of scaffolds (1a) arranged on the ladder (1). For example, a pair of first and second mounting portions 31 and 32 disposed at the upper and lower portions of the pair of frames 20 are hung on at least one of the plurality of scaffolds 1a disposed on the ladder 1. can do. For example, the pair of first mounting portions 31 are caught on at least one step (1a) disposed on the upper part of the ladder (1), and at the same time, the pair of second mounting portions (32) are positioned on the ladder (1). It can be caught on at least one footrest (1a) disposed at the bottom of the. In this state, when the pair of frames 20 are moved from top to bottom, the pair of first and second mounting parts 31 and 32 can be mounted on the footrests 1a at the same time.

At this time, the first and second coupling parts 31 and 41 disposed between the pair of first and second mounting parts 31 and 32 may be coupled to cover the upper portions of the mounted footrests 1a.

In this state, the first and second bolts (60, 61) screwed to one end of the first and second coupling protrusions (50, 51) are rotated to loosen the screws, and at this time, the first and second coupling protrusions (50, 51) are screwed together. 50 and 51 may be released from the fixing release hole 46 of the fixing member 40 and simultaneously separated from the fixing release hole 46 of the fixing member 40. At this time, the fixing member 40 can slide.

For example, the first and second coupling protrusions 50 and 51 may be separated from the fixing release hole 46 of the fixing member 40 and simultaneously positioned in the first and second sliding movement holes 43 and 44. . In this state, the fixing member 40 can be slidably moved toward the vertical direction ② of the longitudinal direction ① of the pair of frames 20. At the same time, the first and second sliding movement holes 43 and 44 can also slide together with the fixing member 40.

For example, as shown in FIGS. 6 and 7, when the first and second sliding movement holes 43 and 44 move to the sliding movement end position, the fixed first and second coupling protrusions 50 and 51 are connected to the first and second sliding movement holes 43 and 44. It guides the sliding movement of the first and second sliding movement holes (43 and 44) and can be disposed at the movement end position of the first and second sliding movement holes (43 and 44).

At this time, the coupling groove 42 of the fixing member 40 may be coupled to the second coupling portion 32a covering the footrest 1a.

In this state, the first and second coupling protrusions 50 and 51 may be coupled to and fixed to the fixing hole 45 formed at the movement end position of the first and second sliding movement holes 43 and 44.

Therefore, when the first and second coupling protrusions 50 and 51 are coupled and fixed to the single fixing hole 45, the coupling groove 42 of the base plate 41 is connected to the second coupling portion 32a. It can be fixed in a combined state.

In this state, the first and second bolts (60, 61) screwed to one end of the first and second coupling protrusions (50, 51) are rotated again and screwed together, and at the same time, the fixing member (40) is connected to the pair. It can be fixed to the second mounting portion 32.

At this time, the first and second bolts (60, 61) screwed to one end of the first and second coupling protrusions (50, 51) have a coupling groove (42) of the base plate (41) connected to the second coupling portion. It can be kept fixed at (32a)

In this state, when a worker passes through the protective enclosure (2) and uses the ladder (1), the safety belt and tools carried by the worker are not attached to the fixing member (40) even if they are caught on the protective enclosure (2). This can prevent the protective screen (2) from being separated from the ladder (1).

In this way, the fixing member 40 can prevent an accidental separation of the protective shield 2 from the ladder 1 due to contact with the safety belt and tools carried by the worker.

According to various embodiments, when separating the protective screen (2) from the ladder (1), the first and second bolts (60, 61) screwed to the first and second coupling protrusions (50, 51) It can be unfastened by rotating it to loosen it. At this time, the first and second coupling protrusions 50 and 51 can be released from the fixing holes 45 formed at the ends of the first and second sliding movement holes 43 and 44.

The unfastened first and second coupling protrusions 50 and 51 can be moved to the first and second sliding movement holes 43 and 44. In this state, the first and second sliding movement holes 43 and 44 can slide toward the vertical direction ② of the longitudinal direction ①, and at the same time, the fixing member 40 can also slide along. there is.

At this time, the coupling groove 42 of the fixing member 40 also slides, and at the same time, the coupling groove 42 is connected to the second coupling portion 32a disposed between the pair of second mounting portions 32. can be separated from

For example, when the coupling groove 42 slides, the coupling groove 42 may be separated from the second coupling portion 32a coupled to the step 1a disposed on the ladder 1.

At this time, the first and second sliding movement holes 43 and 44 may be positioned at the initial position of the movement while sliding.

When the first and second sliding moving holes (43, 44) move to the initial position, the first and second coupling protrusions (50, 51) are also positioned at the end of the first and second sliding moving holes (43, 44). It can be located in, and at this time, the first and second coupling protrusions (50, 51) can be re-engaged to the release holes (46) formed at the ends of the first and second sliding movement holes (43, 44). there is.

When the first and second coupling protrusions (50, 51) are re-engaged with the fixing release holes (46) of the first and second sliding movement holes (43, 44), the fixing member (40) returns to its initial position. At the same time, it can be separated from the second coupling portion 32a coupled to the step 1a disposed on the ladder 1 and released.

At this time, the pair of frames 20 on which the protective screen 2 is disposed can be separated from the step 1a of the ladder 1. For example, when the pair of frames 20 moves from bottom to top, the first and second mounting parts 31 and 32 disposed on the pair of frames 20 are moved from the step 1a of the ladder 1. It can be separated and unmounted.

At this time, when the pair of frames 20 are separated from the ladder 1, the protective screen 2 may also be separated from the ladder 1.

The pair of frames 20 on which the protective screen 2 is separated from the ladder 1 can be moved and placed again on another ladder 1 disposed on another structure A1. At this time, the fixing member 40 can fix or release the pair of frames 20 to the other ladder 1.

In this way, the ladder barrier (10) is easily attached and detached from the ladder (1) by the first and second mounting portions (31, 32) and the fixing member (40), so that the barrier (2) is Installation and removal from the ladder (1) can be facilitated, and the protective enclosure (2) can be separated from the ladder (1) and moved, thereby reducing the volume and weight of the protective enclosure (2), As a result, the movement of the protective screen 2 can be made easier.

The ladder barrier fixing device of various embodiments of the present invention described above is not limited to the above-described embodiments and drawings, and various substitutions, modifications, and changes are possible within the technical scope of the present invention. It will be obvious to those skilled in the art.

10: Ladder protective screen
20: A pair of frames
30: at least one holder
31, 32: a pair of first and second mounting parts 40: fixing member
41: base plate 42: coupling groove
43, 44: 1st and 2nd sliding movement holes
45: fixing hole 46: fixing release hole
1: Ladder 2: Safety screen
A1: Structure

Claims (4)

In the ladder protective fence fixing device for fixing the ladder protective fence installed in the structure to the ladder,
A pair of frames arranged side by side and spaced apart from each other and formed in the longitudinal direction;
A plurality of protective screens spaced apart at regular intervals along the longitudinal direction of the frame;
At least one mounting part formed on the upper or lower part of the frame and hung on at least one of a plurality of steps arranged on the ladder;
A coupling portion formed between the at least one mounting portion and coupled to at least one of the plurality of footrests; and
It includes a fixing member disposed at a position adjacent to the at least one mounting unit and coupled to the coupling unit to be fixed or separated as it slides,
The fixing member is,
base plate;
a coupling groove that is coupled to or separated from the coupling portion as the base plate slides;
first and second sliding moving holes formed at the upper and lower portions of the coupling groove, penetratingly coupled with a coupling protrusion protruding from the at least one mounting portion, and slidingly moved by an external force;
One end of the first and second sliding movement holes is formed to be bent in the longitudinal direction, and is caught by the engaging protrusion at an end position of the sliding movement of the first and second sliding movement holes, and the engaging groove of the base plate is connected to the engaging portion. A fixing hole fixed in a coupled state; and
The tile ends of the first and second sliding holes are formed to be bent in the longitudinal direction, and are caught by the engaging protrusion at the initial position of the sliding movement of the first and second sliding moving holes, and the engaging groove of the base plate is engaged with the engaging protrusion. A ladder barrier fixing device comprising a fixing release hole that is separated from the unit and releases the fixation.
The method of claim 1, wherein the at least one mounting portion,
a pair of first mounting parts formed on an upper part of the frame and hung on at least one of the plurality of footrests; and
It includes a pair of second mounting portions formed at a lower portion of the frame and hung on at least one of the plurality of footrests,
The pair of second mounting portions are arranged in parallel with the first mounting portion in the longitudinal direction, and are mounted on other scaffolds other than the scaffold mounted on the first mounting portion among the plurality of scaffolds. fixture.
According to claim 2,
A first coupling portion coupled to at least one of the plurality of footrests is disposed between the pair of first mounting portions,
A ladder barrier fixing device, characterized in that a second coupling part coupled to at least one of the plurality of scaffolds is disposed between the pair of second mounting parts.
According to claim 1,
The coupling protrusion includes first and second coupling protrusions,
A ladder guard fence fixing device, characterized in that first and second bolts that are screwed are disposed at ends of the first and second coupling protrusions.

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