KR102162524B1 - Rockfall prevention fence for easy installation and disassembly - Google Patents

Abstract

Rockfall prevention measures according to an embodiment of the present invention, a plurality of posts that are spaced apart from each other along the road in the periphery of the road, each positioned in a vertical direction; A body that is positioned between the posts to close between the posts; A plurality of connecting portions corresponding to each of the two side regions of the body and positioned so that the body is inserted while being inserted into the post to connect the body to the post; And it may be characterized in that it comprises a fixing portion for fixing the body between the posts by penetrating the posts and the connection portion to fix the connection to the posts.

Description

Rockfall prevention fence for easy installation and disassembly}

The present invention relates to a rockfall prevention measure, and more particularly, to a rockfall prevention measure that enables easy installation and dismantling of a rockfall prevention net.

In general, rockfall prevention measures are installed along the road around the road. Rockfall prevention measures are used to prevent falling rocks and soil from penetrating into the road when an accident such as rockfall or soil collapse occurs. Looking at the conventional rockfall prevention measures, end posts are respectively installed on both sides of the rock incision section, and span posts are installed at predetermined intervals between the end posts. Each of the plurality of wire ropes has fasteners at both ends, penetrates through the span post and is fastened to both end posts in the transverse direction. Wire nets are bound to all of these rockfall prevention measures.

However, when an accident such as a rockfall or soil collapse occurs, the pillars, wire ropes, and fasteners of the wire rope may be damaged in the rockfall prevention measures as described above. Even small impacts applied to the wire rope are transmitted to the posts, and the impact load may accumulate as a fatigue load in the posts and buried parts of the posts, thereby reducing the support. In addition, since the wire rope must be replaced after being cut due to the damage of the wire rope, it may be partially replaced for each span. In addition, when recovering after an accident occurs in the conventional rockfall prevention measures, the entire wire rope formed in the transverse direction must be replaced. For this reason, it is difficult to quickly maintain the rockfall prevention measures, and a considerable amount of time and cost are required for maintenance.

The technical problem to be achieved by the rockfall prevention measure according to the technical idea of the present invention is to provide a rockfall prevention measure that enables easy installation and dismantling of a mesh-like member having a function as a rockfall prevention net.

In addition, the technical problem to be achieved by the rockfall prevention measure according to the technical idea of the present invention is to provide a rockfall prevention measure to reduce the time and cost according to the installation and dismantling of the mesh-like member.

The technical problem to be achieved by the rockfall prevention measure according to the technical idea of the present invention is not limited to the above-mentioned problem, and another problem that is not mentioned will be clearly understood by those skilled in the art from the following description.

Rockfall prevention measures according to an embodiment according to the technical idea of the present invention, a plurality of posts that are spaced from each other along the road in the periphery of the road, each vertically positioned; A body that is positioned between the posts to close between the posts; A plurality of connecting portions corresponding to each of the two side regions of the body and positioned so that the body is inserted while being inserted into the post to connect the body to the post; And it may be characterized in that it comprises a fixing portion for fixing the body between the posts by penetrating the posts and the connection portion to fix the connection to the posts.

In addition, the post includes a web made of a plate shape of a metal material; And a pair of flanges each formed in a plate shape of a metal material and perpendicular to the web and positioned to face each other to form a coupling space, wherein the body is positioned between the posts, and both sides of the body are respectively Face to face, each of the connecting portion, the post connecting member made of a plate shape; Doedoe made in a plate shape, the first side end is connected to the first side end of the post connecting member and the inclined connection member forming a predetermined angle with the post connecting member; And a body connection member having a plate shape, wherein the first side end is connected to the second side end of the inclined connection member and forms a predetermined angle with the inclined connection member, and the connection portions are positioned to correspond to each other by pair, When the strut connecting members are overlapped with each other, the inclined connecting members are positioned to be spaced apart from each other as they are spaced apart from the strut connecting member, and the body connecting members are spaced apart from each other and are positioned so as to be parallel, and the pair of strut connecting members are spaced together. It is inserted into, and the side region of the body may be inserted between the body connection members to contact the body connection members.

In addition, the fixing portion, the rod-shaped fixing body; A body head having a cross-sectional area larger than that of the fixed body and positioned at the first end of the fixed body; And a fastening body that is detachably positioned on a second end-side region opposite the first end of the fixed body and is coupled to the fixed body, wherein a pair of post connection members are inserted into the coupling space, and the fixed body When the flange and the pair of post connecting members are passed through, the body head is positioned to correspond to the outer surface of the flange, and the fastening body is coupled to the fixed body and positioned in the coupling space, and the post connecting members overlapped with each other are When the inner surface of the flange and the fastening body are in contact, and the body head is in contact with the outer surface of the flange, the connection portions are fixed to the posts to fix the body between the posts.

In addition, a plurality of first coupling openings are formed along the web in the flange, each of the first coupling openings is formed along a horizontal direction, and a plurality of second coupling openings are formed in the post connection member to correspond to the first coupling openings. Is formed, and each of the second coupling openings is formed along a vertical direction, and in a state where the post connection member is inserted into the coupling space, the first coupling opening and the second coupling opening are positioned to intersect, and to be penetrated by the fixing portion. I can.

In addition, the body is made of a plate shape made of metal or high strength plastic, a mesh-like member having a plurality of holes formed thereon; And a member frame positioned along an edge of the mesh-like member and coupled to the mesh-like member, and partially inserted between the body connection members to contact the body connection members.

In addition, the rockfall prevention measure may further include an auxiliary fixing part that penetrates the member frame and the body connection parts and fixes the body to the connection part while a part of the member frame is inserted between the body connection members.

In addition, the auxiliary fixing unit, a rod-shaped auxiliary fixing body; An auxiliary body head having a cross-sectional area larger than that of the auxiliary fixing body and positioned at a first end of the auxiliary fixing body; And an auxiliary fastening body that is detachably positioned on a second end-side region opposite the first end of the auxiliary fixing body and coupled to the auxiliary fixing body, wherein a part of the member frame is inserted between the body connecting members. In, when the auxiliary fixing body passes through a part of the member frame and the body connecting members, the auxiliary body head is positioned to correspond to any one of the body connecting members, and the auxiliary fastening body is coupled to the auxiliary fixing body to allow the other of the body connecting members. It is positioned so as to correspond to one, and when the auxiliary body head is in contact with any one of the body connecting members, and the auxiliary fastening body is in contact with the other of the body connecting members, the body can be fixed to the connecting portions.

In addition, a plurality of first auxiliary openings are formed in the member frame along a vertical direction, a plurality of second auxiliary openings are formed in the body connecting member so as to correspond to the first auxiliary openings, and a part of the member frame is formed by the body connecting members. In the interposed state, the first auxiliary opening and the second auxiliary opening are positioned so as to correspond, and can be penetrated by the auxiliary fixing part.

In addition, the member frame includes: a fixed frame positioned along the edge of the mesh member and coupled to the mesh member; A pair of connection frames, each of which is positioned to correspond to both side surfaces of the fixed frame, and has a concave insertion space into which a side region of the fixed frame can be inserted; A pair of rotating shafts rotatably positioned inside the fixed frame so as to be adjacent to each of both side surfaces of the fixed frame; A connection wire that is connected to the rotating shaft and can be wound or released, and is connected to the inner surface of the insertion space through the side of the fixed frame; And a wire control unit positioned on the upper surface of the fixed frame and connected to the end of the rotary shaft, and capable of rotating the rotary shaft and maintaining the rotated state, wherein the post connection members are inserted into the coupling space, and the connection frame is fixed. In a state spaced apart from the frame, it is inserted between the body connection members to contact the body connection members, and the wire control unit rotates the rotating shaft to wind the connection wire, so that the side region of the fixed frame is inserted between the body connection members. It can be inserted into the insertion space of the connected frame.

In addition, a plurality of first coupling openings are formed along the web in the flange, each of the first coupling openings is formed along a horizontal direction, and a plurality of second coupling openings are formed in the post connection member to correspond to the first coupling openings. It is formed, and each of the second coupling openings is formed along a vertical direction, and the rockfall prevention measure is made of a plate-shaped electromagnet corresponding to the flange of the post, and is positioned to correspond to the first coupling openings, and each corresponding to the body head It further includes an installation guide portion having a plurality of mounting grooves having a size and shape, wherein when the installation guide portion receives electricity and has magnetism, the body head is inserted into the mounting groove and fixed, and the fixed body has a first coupling opening and When passing through the second coupling opening, the installation guide portion is attached to the outer surface of the flange due to magnetism, and when the installation guide portion does not have magnetism due to not being supplied with electricity, the installation guide portion may be separated from the outer surface of the flange.

Rockfall prevention measures according to embodiments according to the technical idea of the present invention has the following effects.

(1) The mesh-like member can be easily installed and disassembled.

(2) It is possible to save time and cost according to the installation and dismantling of the mesh-like member.

However, the effects that can be achieved by the rockfall prevention measure according to an embodiment of the present invention are not limited to those mentioned above, and other effects not mentioned may be clearly understood by those skilled in the art from the following description. will be.

In order to more fully understand the drawings cited in this specification, a brief description of each drawing is provided.
1 is a perspective view showing a rockfall prevention measure according to a first embodiment of the present invention.
2 is a plan view showing a rockfall prevention measure according to the first embodiment of the present invention.
3 is an exploded perspective view showing a rockfall prevention measure according to the first embodiment of the present invention.
Figure 4 is a perspective view showing an exploded rockfall prevention measure according to a second embodiment of the present invention.

In the present invention, various modifications may be made and various embodiments may be provided, and specific embodiments are illustrated in the drawings and will be described in detail through detailed description. However, this is not intended to limit the present invention to specific embodiments, and the present invention should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

In describing the present invention, when it is determined that a detailed description of a related known technology may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted. In addition, numbers (eg, first, second, etc.) used in the description of the present specification are merely identification symbols for distinguishing one component from another component.

In addition, in the present specification, when one component is referred to as "connected" or "connected" to another component, the one component may be directly connected or directly connected to the other component, but specially It should be understood that as long as there is no opposing substrate, it may be connected or may be connected via another component in the middle.

In addition, in the constituent elements represented by'~ unit' in the present specification, two or more constituent elements may be combined into one constituent element, or one constituent element may be divided into two or more for each more subdivided function. In addition, each of the components to be described below may additionally perform some or all of the functions that other components are responsible for in addition to its own main function, and some of the main functions that each component is responsible for are different. It goes without saying that it may be performed exclusively by components.

Hereinafter, embodiments according to the technical idea of the present invention will be sequentially described in detail.

1 is a perspective view showing a rockfall prevention measure 100 according to a first embodiment of the present invention, FIG. 2 is a plan view showing a rockfall prevention measure 100 according to the first embodiment of the present invention, and FIG. It is a perspective view showing the disassembled rockfall prevention measures 100 according to the first embodiment of the invention.

As shown in Figures 1 to 3, the rockfall prevention measures 100 according to the first embodiment of the present invention is the support 101, the body 102, the connecting portion 103, the fixing portion 104 and the auxiliary fixing portion Including 105, it may be made of a metal material, and is located between the road and the mountain around the road along the road in the vicinity of the road, and may be used to block rockfall, soil and sand from the mountain toward the road. .

The support 101 is made of a plurality of, but may be located along the road around the road. Post 101 may be positioned in a vertical direction, respectively, in a state spaced apart from each other. Here, the vertical direction may mean a direction orthogonal to the ground of the road.

In addition, each post 101 is made in the form of an H-beam, and may include a web 111 and a flange 113.

The web 111 has a plate shape. When the posts 101 are spaced apart from each other, the web 111 may be positioned in parallel while facing each other while being positioned in a vertical direction, respectively.

The flanges 113 are made in a pair, each made in a plate shape. The flanges 113 are each positioned in a vertical direction so as to be perpendicular to the web 111 and connected to the web 111, and are positioned so as to be parallel while facing each other. Here, the web 111 is located between the flanges 113, and in combination with the flanges 113 may form a pair of coupling spaces 110, respectively, in the post 101.

In addition, at least one of the flanges 113 may have a plurality of first coupling openings 101a formed along a vertical direction. The first coupling openings 101a may be formed in a horizontal direction, which is a direction orthogonal to a vertical direction, respectively, and may be formed to be parallel to each other. Further, the first coupling openings 101a may be formed on both sides of the flange 113 to correspond to each other with the web 111 interposed therebetween along a vertical direction in the flange 113.

The body 102 may be positioned between the posts 101 to close between the posts 101. Here, the body 102 may form a boundary between a road and a mountain in combination with the posts 101. In addition, the body 102 may include a mesh-like member 121 and a member frame 123.

The mesh-shaped member 121 is formed in a plate shape, but may have a plurality of holes. Here, the mesh-like member 121 may be made of a high-strength plastic, as well as a metal having relatively high rigidity, and may not be easily damaged by rockfall, soil, or the like. For example, the mesh-like member 121 may be a metal lath or the like. The mesh-like member 121 of this embodiment may be preferably made of a rectangular shape, as shown.

The member frame 123 may be positioned along the edge of the mesh member 121 to be coupled to the mesh member 121. The mesh-like member 121 may be fixed in an unfolded state without being deformed by the member frame 123. Both regions of the member frame 123 may be specifically inserted into the connection portion 103 to be described later.

In addition, a plurality of first auxiliary openings 102a may be formed in the member frame 123 along a vertical direction.

The connecting portion 103 is made of a plurality, and is positioned so as to correspond to each of the two side regions of the body 102 to connect the body 102 to the post 101. With respect to the region on one side of the body 102, the connection portion 103 may be positioned to correspond to each other at least one pair. Here, a part of the pair of connecting portions 103 may be inserted into the coupling space 110 of the holding unit 101, and a side region of the body 102 may be inserted in the other portion of the pair of connecting portions 103. have. That is, the plurality of connection portions 103 may be positioned so that the body 102 can be inserted while being inserted into the support 101. The connection portion 103 as described above may be coupled to and fixed to the post 101 by a fixing portion 104 to be described later. In addition, each of the connecting portions 103 may include a post connecting member 131, an inclined connecting member 133, and a body connecting member 135.

The post connection member 131 is formed in a plate shape, and may have a length corresponding to the vertical direction of the post 101. A plurality of second coupling openings 103a may be formed in the post connection member 131 to correspond to the first coupling openings 101a, and the second coupling openings 103a may be formed in a vertical direction, respectively.

The inclined connection member 133 may be formed in a plate shape, and may be connected to the post connection member 131 to form a predetermined angle with the post connection member 131. Here, it may be preferable that the inclined main connecting member 133 forms an obtuse angle with the post connecting member 131. For example, the first side end of the inclined connection member 133 may be connected to the first side end of the post connection member 131, and the inclined connection member 133 may have a length corresponding to the post connection member 131 have.

The body connecting member 135 is formed in a plate shape, and may be connected to the inclined connecting member 133 to form a predetermined angle with the inclined connecting member 133. Here, it may be desirable that the body connection member 135 forms an obtuse angle with the inclined connection member 133. For example, the first side end of the body connecting member 135 may be connected to a second side end opposite to the first side end of the inclined connecting member 133, and the body connecting member 135 is connected to the inclined connecting member 133 It can have a corresponding length.

In addition, a plurality of second auxiliary openings 103b may be formed in the body connection member 135 to correspond to the first auxiliary opening 102a of the body 102.

The connection part 103 as described above may be positioned between the posts 101 and the body 102 in pairs, and may be used to connect the posts 101 and the body 102. In the pair of connection portions 103, the post connection members 131, the inclined connection members 133, and the body connection member 135 may be positioned to correspond to each other.

The post connection members 131 may be overlapped with each other, and the second coupling openings 103a may be positioned and connected to correspond to each other. Here, the inclined connecting members 133 and the body connecting members 135 may be positioned so as to correspond to each other and spaced apart. In addition, the second auxiliary openings 103b may be positioned to correspond to each other. In particular, the inclined connection member 133 may be positioned so as to be gradually spaced apart from each other as spaced apart from the post connection member 131, and the body connection members 135 may be spaced apart from each other and positioned to be parallel.

Meanwhile, the post connecting members 131 may be spot welded. Here, the pair of connecting portions 103 may be maintained in a coupled state.

In the pair of connection portions 103 as described above, the post connection members 131 are inserted into the coupling space 110 in a state of being in contact with each other, and the second coupling openings 103a are the first coupling openings ( 101a) may be positioned to correspond. Here, each of the second coupling openings 103a may be positioned so as to intersect with the first coupling opening 101a. In addition, the member frame 123 of the body 102 may be inserted between the body connection members 135 to make surface contact with the body connection members 135. Here, the member frame 123 may be inserted between the body connecting members 135 so as to be close to the inclined connecting members 133 and inserted between the body connecting members 135. Also, the second auxiliary openings 103b may be positioned to correspond to the first auxiliary openings 101b.

The fixing part 104 may pass through the support 101 and the connection part 103 to fix the connection part 103 to the support 101. Here, by fixing the connecting portion 103 to the pillar 101, the body 102 can be maintained in a state coupled to the connecting portion 103 and can be firmly positioned between the pillars 101. In particular, in a state in which the post connection members 131 of the connection part 103 are inserted into the coupling space 110 of the post 101, the fixing part 104 is the first coupling opening 101a of the flange 113 and the post Through the second coupling opening 103a of the connection member 131, the connection part 103 may be coupled to the post 101 to be fixed.

In addition, the fixing part 104 may include a fixing body 141, a body head 143 and a fastening body 145.

The fixed body 141 may be formed in a rod shape, and may be positioned through the first coupling opening 101a and the second coupling opening 103a. Here, the fixed body 141 is movable in a horizontal direction along the first coupling opening 101a and movable in a vertical direction along the second coupling opening 103a. In particular, the fixed body 141 moves in the horizontal direction along the first coupling opening 101a, so that the connection part 103 and the body 102 are also movable in the horizontal direction. Due to this, the position of the body 102 between the posts 101 can be adjusted to some extent.

The body head 143 may have a cross-sectional area larger than that of the fixed body 141 and may be located at a first end of the fixed body 141. In addition, the body head 143 is located outside the coupling space 110, it may be in contact with the outer surface of the flange 113. Here, the outer surface of the flange 113 is a surface corresponding to the outside of the coupling space 110 in the flange 113, and the inner surface of the flange 113 corresponds to the inside of the coupling space 110 in the flange 113 This is the side.

The fastening body 145 may be fastened and positioned on the second end-side region of the fixed body 141. Here, the second end-side region of the fixed body 141 means a region corresponding to the second end opposite to the first end of the fixed body 141. In addition, the fastening body 145 may be separated from the second end-side region of the fixed body 141.

In particular, in a state in which the fixing body 141 penetrates the first coupling opening 101a and the second coupling opening 103a, the coupling body 145 is fastened on the second terminal side region of the fixing body 141 It may be located in the coupling space 110. Here, the support connecting members 131 of the pair of connection parts 103 and the flange 113 of the support 101 may be located between the body head 143 and the fastening body 145 on the fixed body 141 have. The fixed body 141 may not be separated from the post 101 and the connection part 103 by the body head 143 and the fastening body 145.

In particular, when the post connection members 131 are in contact with the inner surface of the flange 113 and the fastening body 145 in a state of being superimposed on each other, and the body head 143 is in contact with the outer surface of the flange 113, the connection part (103) They may be fixed to the post 101 by the fixing portion 104. Here, the body 102 may be inserted between the body connection members 135 and installed in a state in contact with the body connection members 135.

In the above state, when the fastening body 145 is separated from the fixed body 141 by being spaced apart from the post connection members 131, the post connection members 131 and the body head 143 are from the flange 113 Can be separated. Here, the body 102 may be separated from the connection part 103 and separated between the posts 101 to be disassembled.

On the other hand, the fixed body 141 of the present embodiment may be formed in various shapes such as a square bar shape, a triangular rod shape, a circular rod shape, and preferably, a circular rod shape. In particular, when the fixed body 141 has a circular rod shape, the body head 143 may have an outer diameter larger than the outer diameter of the fixed body 141. Here, a thread is formed in the second end-side region of the fixing body 141, and the fixing body 141 may be formed in the form of a bolt in combination with the body head 143, and the fastening body 145 is in the form of a nut. It can be screwed to the fixed body 141 consisting of.

The auxiliary fixing part 105 may pass through the body 102 and the connection part 103 to fix the body 102 to the connection part 103. Here, by fixing the body 102 to the connection portion 103, the body 102 may be firmly fixed between the holdings 101 by the connection portion 103 fixed to the holdings 101. In particular, in a state in which the post connection members 131 of the connection part 103 are inserted into the coupling space 110 of the post 101, the auxiliary fixing part 105 is the first of the member frame 123 of the body 102 The body 102 may be fixed to the connection part 103 by passing through the auxiliary opening 102a and the second auxiliary opening 103b of the body connecting member 135.

Further, the auxiliary fixing part 105 may include an auxiliary fixing body 151, an auxiliary body head 153, and an auxiliary fastening body 155.

The auxiliary fixing body 151 is formed in a rod shape, and may be positioned through the first auxiliary opening 102a and the second auxiliary opening 103b.

The auxiliary body head 153 may have a cross-sectional area larger than that of the auxiliary fixed body 151 and may be located at a first end of the auxiliary fixed body 151. In addition, the auxiliary body head 153 may be positioned to correspond to any one of the body connection members 135 to be in contact.

The auxiliary fastening body 155 may be fastened and positioned on the second end-side region of the auxiliary fastening body 151. Here, the second end-side region of the auxiliary fixing body 151 means a region corresponding to the second end opposite to the first end of the auxiliary fixing body 151. In addition, the auxiliary fastening body 155 may be separated from the second end-side region of the auxiliary fixing body 151.

In particular, in a state in which the auxiliary fixing body 151 passes through the first auxiliary opening 101b and the second auxiliary opening 103b, the auxiliary fastening body 155 is located on the second terminal side area of the auxiliary fixing body 151. It is fastened to and positioned to correspond to the other one of the body connection member 135 to be in contact. Here, the body connection members 135 of the pair of connection parts 103 and the member frame 123 of the body 102 are between the auxiliary body head 153 and the fastening body 155 on the auxiliary fixing body 151 Can be located. The auxiliary fixing body 151 may not be separated from the body 102 and the connection part 103 by the auxiliary body head 153 and the auxiliary fastening body 155.

In particular, in a state in which the member frame 123 of the body 102 is inserted between the body connection members 135 and is in contact, the auxiliary body head 153 and the auxiliary fastening body 155 are When in contact with each, the body 102 can be firmly fixed to the connection portion 103.

In the above state, when the auxiliary fastening body 155 is spaced apart from the body connection member 135 and separated from the auxiliary fixing body 151, the auxiliary body head 153 may be spaced apart from the body connection member 135. . Here, the auxiliary fixing body 151 may be separated from the body 102 and the connection part 103, and the body 102 may be separated from the connection part 103 and separated between the posts 101 and disassembled.

On the other hand, the auxiliary fixing body 151 of the present embodiment may be formed in various shapes such as a square bar shape, a triangular rod shape, a circular rod shape, and preferably a circular rod shape. In particular, when the auxiliary fixing body 151 has a circular rod shape, the auxiliary body head 153 may have an outer diameter larger than the outer diameter of the auxiliary fixing body 151. Here, a thread is formed in the second end-side region of the auxiliary fixing body 151, and the auxiliary fixing body 151 may be formed in the form of a bolt in combination with the auxiliary body head 153, and the auxiliary fastening body 155 Is made in the form of a nut and may be screwed to the auxiliary fixing body 151.

The rockfall prevention measures 100 of this embodiment may position the body 102 between the holdings 101 to close between the holdings 101. Here, some of the pair of connection portions 103 are inserted into the coupling space 110 between the flanges 113 in the support 101, and both sides of the body 102 are each of the pair of connection portions 103. It can be inserted in other parts. In particular, the connecting portions 103 each include a post connecting member 131, an inclined connecting member 133, and a body connecting member 135. here. Post connection members 131 corresponding to some of the pair of connection portions 103 may be spot welded to each other, and second coupling openings 103a may be positioned and connected to correspond to each other. In addition, the body connection members 135 corresponding to other portions of the pair of connection portions 103 may be spaced apart from each other and positioned to be parallel. The post connection members 131 are inserted into the coupling space 110 in a superimposed state, and the second coupling openings 103a of the post connection members 131 are the first coupling openings of the flange 113 of the post 101 ( 101a) may be positioned to correspond. In addition, the member frame 123 of the body 102 may be inserted between the body connection members 135 to make surface contact with the body connection members 135. Here, the member frame 123 may be maintained in a state inserted between the body connection members 135. The first auxiliary opening 102a of the member frame 123 may be positioned to correspond to the second auxiliary openings 103b of the body connecting members 135.

In the state as described above, the fixing part 104 may pass through the first coupling openings 101a and the second coupling openings 103a to fix the connection parts 103 to the post 101, and the auxiliary fixing part 105 ) May pass through the first auxiliary opening 102a and the second auxiliary opening 103b to fix the body 102 to the post 101. Due to this, the body 102 may be firmly installed between the posts 101. In addition, the fixing portion 104 is separated from the first coupling openings 101a and the second coupling openings 103a, and the auxiliary fixing portion 105 is separated from the first auxiliary opening 102a and the second auxiliary opening 103b. When separated from the ), the body 102 may be separated from the connecting portion 103 in a state separated from the holding 101 and disassembled between the holdings 101. Therefore, the rockfall prevention measure 100 of this embodiment uses the connection part 103, the fixing part 104, and the auxiliary fixing part 105 to hold the body 102 including the mesh-like member 121 between the posts 101. It can be easily installed and dismantled, and the time and cost of installation and dismantling accordingly can be significantly reduced.

4 is an exploded perspective view showing a rockfall prevention measure 300 according to a second embodiment of the present invention.

As shown in Fig. 4, the rockfall prevention measure 300 according to the second embodiment of the present invention includes a post 301, a body 302, a connection part 303, a fixing part 304, and an installation guide part 305. Includes, may be made of a metal material, is located between the road and the mountain around the road along the road in the periphery of the road, it may be used to block rockfall, soil and the like from the mountain toward the road.

The support 301 is made of a plurality of, but may be located along the road around the road. The posts 301 may be positioned in a vertical direction while spaced apart from each other. Here, the vertical direction may mean a direction orthogonal to the ground of the road.

In addition, each post 301 is made in the form of an H beam, and may include a web 311 and a flange 313.

The web 311 has a plate shape. When the posts 301 are spaced apart from each other, the webs 311 may be positioned in parallel while facing each other while being positioned in a vertical direction, respectively.

The flanges 313 are made in a pair, each made in a plate shape. The flanges 313 are each positioned in a vertical direction so as to be perpendicular to the web 311 and connected to the web 311, and are positioned so as to be parallel while facing each other. Here, the web 311 may be positioned between the flanges 313 and combined with the flanges 313 to form a pair of coupling spaces 310, respectively, in the post 301.

In addition, a plurality of first coupling openings 301a may be formed in at least one of the flanges 313 along a vertical direction. The first coupling openings 301a may be formed in a horizontal direction, which is a direction orthogonal to a vertical direction, respectively, and may be formed to be parallel to each other. Further, the first coupling openings 301a may be formed on both sides of the flange 313 so as to correspond to each other with the web 311 therebetween along a vertical direction in the flange 313.

The body 302 may be located between the posts 301 and close between the posts 301. Here, the body 302 may form a boundary between a road and a mountain in combination with the posts 301. In addition, the body 302 may include a mesh-like member 321 and a member frame 323.

The mesh-like member 321 is formed in a plate shape, but may have a plurality of holes. Here, the mesh-like member 321 may be made of a metal having a relatively high rigidity, a high-strength plastic, or the like, and may not be easily damaged by rockfall or soil. For example, the mesh-like member 321 may be a metal lath or the like. The mesh-like member 321 of this embodiment may be preferably made of a rectangular shape, as shown.

The member frame 323 may be positioned along the edge of the mesh member 321 and may be coupled to the mesh member 321. The mesh-like member 321 may be fixed in an unfolded state without being deformed by the member frame 323. Both regions of the member frame 323 may be specifically inserted into the connection portion 303 to be described later.

In addition, the member frame 323 may include a fixed frame 323a, a connection frame 323b, a rotating shaft 323c, a connection wire 323d, and a wire control unit 323e.

The fixing frame 323a may be positioned along the edge of the mesh member 321 and may be coupled to the mesh member 321.

The connection frame 323b is formed in a pair, and may be positioned to correspond to both sides of the fixed frame 323a, respectively. Here, the connection frame 323b may have a greater height and thickness than the fixed frame 323a, and an insertion space 323b' may be formed concave on the side of the connection frame 323b, and the insertion space 323b' ), a side region of the fixed frame 323a may be inserted. The fixed frame 323a may be inserted into the insertion space 323b' of the connection frame 323b and firmly coupled to the connection frame 323b. The fixed frame 323a may be separated from the insertion space 323b' and moved away from the connection frame 323b.

The rotation shaft 323c may be formed in a pair, and may be located inside the fixing frame 323a so as to be adjacent to each of both side surfaces of the fixing frame 323a. Here, the rotation shaft 323c may be rotated about an axis along the longitudinal direction of the rotation shaft 323c.

The connection wire 323d may be connected to the rotating shaft 323c and wound, and may be connected to the connection frame 323b by passing through the side surface of the fixed frame 323a. Here, the connection wire 323d may be inserted into the insertion space 323b' and connected to the inner surface of the insertion space 323b'.

For example, as the rotating shaft 323c is rotated in one direction (for example, either clockwise or counterclockwise), the connection wire 323d is gradually wound around the rotating shaft 323c to connect the frame 323b. ) May be moved toward the fixed frame 323a, and the fixed frame 323a may be inserted into the insertion space 323b' of the connection frame 323b. On the other hand, as the rotating shaft 323c is rotated in the opposite direction of one direction (eg, the other of clockwise and counterclockwise), the connection wire 323d can be released from the rotating shaft 323c, The connection frame 323b may be moved away from the fixed frame 323a. That is, the fixed frame 323a may be separated from the insertion space 323b'.

The wire control unit 323e may be located on the upper surface of the fixed frame 323a and connected to the end of the rotating shaft 323c. Here, the wire control unit 323e can rotate the rotation shaft 323c, and can maintain it in a rotated state.

For example, the wire control unit 323e rotates the rotation shaft 323c in one direction, and the connection wire 323d is wound around the rotation shaft 323c to insert the fixing frame 323a into the connection frame 323b. It can be inserted into the space (323b'). Here, the wire controller 323e may fix the rotating shaft 323c to maintain the fixed frame 323a in a state inserted into the insertion space 323b'.

On the other hand, the wire control unit 323e may rotate the rotation shaft 323c in a direction opposite to one direction. Here, the connection wire 323d may be released from the rotating shaft 323c, and the connection frame 323b may be moved away from the fixed frame 323a. The fixed frame 323a may be separated from the insertion space 323b'. In addition, the wire control unit 323e can fix the rotating shaft 323c to maintain the connection wire 323d in a loose state from the rotating shaft 323c, and the connection frame 323b is in a state away from the fixed frame 323a. Can be maintained.

The connecting portion 303 is formed of a plurality of pieces, and is positioned to correspond to each of the two side regions of the body 302 to connect the body 302 to the post 301. With respect to one side area of the body 302, the connection portions 303 may be positioned so as to correspond to each other by at least one pair. Here, a part of the pair of connection parts 303 may be inserted into the coupling space 310 of the support 301, and a side region of the body 302 may be inserted in the other part of the pair of connection parts 303. have. That is, the plurality of connection portions 303 may be positioned so that the body 302 can be inserted while being inserted into the support 301. The connection portion 303 as described above may be coupled to and fixed to the support 301 by a fixing portion 304 to be described later. In addition, each of the connecting portions 303 may include a post connecting member 331, an inclined connecting member 333, and a body connecting member 335.

The post connection member 331 is formed in a plate shape, but may have a length corresponding to the vertical direction of the post 301. A plurality of second coupling openings 303a may be formed in the post connection member 331 to correspond to the first coupling openings 301a, and the second coupling openings 303a may be formed in a vertical direction, respectively.

The inclined connection member 333 may be formed in a plate shape, and may be connected to the support connection member 331 to form a predetermined angle with the support connection member 331. Here, the inclined connection member 333 may preferably form an obtuse angle with the post connection member 331. For example, the first side end of the inclined connection member 333 may be connected to the first side end of the post connection member 331, and the inclined connection member 333 may have a length corresponding to the post connection member 331 have.

The body connection member 335 is formed in a plate shape, and may be connected to the inclined connection member 333 to form a predetermined angle with the inclined connection member 333. Here, the body connection member 335 may preferably form an obtuse angle with the inclined connection member 333. For example, the first side end of the body connection member 335 may be connected to a second side end opposite to the first side end of the inclined connection member 333, and the body connection member 335 is connected to the inclined connection member 333 It can have a corresponding length.

The connection part 303 as described above may be positioned between the posts 301 and the body 302 by a pair and may be used to connect the posts 301 and the body 302. In the pair of connection portions 303, the post connection members 331, the inclined connection members 333, and the body connection member 335 may be positioned to correspond to each other.

The post connection members 331 may be overlapped with each other, and the second coupling openings 303a may be positioned to correspond to each other and connected. Here, the inclined connection members 333 and the body connection members 335 may be positioned to be spaced apart while corresponding to each other. In particular, the inclined connection member 333 may be located so as to be spaced apart from each other gradually as spaced apart from the post connection member 331, and the body connection members 335 may be spaced apart from each other and positioned to be parallel.

Meanwhile, the post connecting members 331 may be spot welded. Here, the pair of connection portions 303 may be maintained in a coupled state.

In the pair of connecting portions 303 as described above, the post connecting members 331 may be overlapped and contacted with each other to be welded. In the member frame 323 of the body 302, the connection wire 323d is released from the rotating shaft 323c, and the connection frame 323b is connected to the fixing frame 323a through the connection wire 323d. It may be in a state away from ). Here, the connection frame 323b is inserted between the body connection members 335 and contacts, and the post connection members 331 may be inserted into the coupling space 310. In addition, the post connection members 331 may be positioned obliquely with respect to the fixing frame 323a together with the connection frame 323b. The wire control unit 323e rotates the rotation shaft 323c so that the connection wire 323d is wound around the rotation shaft 323c, and the side of the fixing frame 323a in the insertion space 323b' of the connection frame 323b. You can make the area insertable. Accordingly, while the second coupling openings 303a are positioned to correspond to the first coupling openings 301a, each of the second coupling openings 303a may be positioned to intersect with the first coupling opening 301a. In addition, the fixing frame 323a of the member frame 323 is inserted into the insertion space 323b' of the connection frame 323b, and is connected to the connection part 303 in a fixed state by the wire control unit 323e, so that the post 301 ) Can be located between.

Due to the configuration of the member frame 323 of this embodiment, the connection portion 303 is easily inserted into the coupling space 310 while being connected to the body 302 to position the body 302 between the posts 301 I can.

The fixing part 304 may pass through the post 301 and the connection part 303 to fix the connection part 303 to the post 301. Here, by fixing the connecting portion 303 to the pillar 301, the body 302 may be firmly positioned between the pillars 301 while being coupled to the connecting portion 303. In particular, in a state in which the post connection members 331 of the connection part 303 are inserted into the coupling space 310 of the post 301, the fixing part 304 is the first coupling opening 301a of the flange 313 and the post Through the second coupling opening 303a of the connection member 331, the connection portion 303 may be coupled to the post 301 to be fixed.

In addition, the fixing part 304 may include a fixing body 341, a body head 343 and a fastening body 345.

The fixed body 341 is formed in a rod shape, and may be positioned through the first coupling opening 301a and the second coupling opening 303a. Here, the fixed body 341 is movable in a horizontal direction along the first coupling opening 301a, and movable in a vertical direction along the second coupling opening 303a. In particular, the fixed body 341 moves in a horizontal direction along the first coupling opening 301a, so that the connection portion 303 and the body 302 are also movable in the horizontal direction. Due to this, the position of the body 302 between the posts 301 can be adjusted to some extent.

The body head 343 has a cross-sectional area larger than that of the fixed body 341 and may be located at a first end of the fixed body 341. In addition, the body head 343 may be located outside the coupling space 310 and may contact the outer surface of the flange 313. Here, the outer surface of the flange 313 is a surface corresponding to the outside of the coupling space 310 at the flange 313, and the inner surface of the flange 313 corresponds to the inside of the coupling space 310 at the flange 313 This is the side.

The fastening body 345 may be coupled and positioned on the second end-side region of the fixed body 341. Here, the second end-side region of the fixed body 341 means a region corresponding to the second end opposite to the first end of the fixed body 341. Further, the fastening body 345 may be separated from the second end-side region of the fixed body 341.

In particular, in a state in which the fixed body 341 has passed through the first coupling opening 301a and the second coupling opening 303a, the coupling body 345 is coupled on the second terminal side region of the fixed body 341 It may be located in the coupling space 310. Here, the support connecting members 331 of the pair of connection parts 303 and the flange 313 of the support 301 may be located between the body head 343 and the fastening body 345 on the fixed body 341. have. The fixed body 341 may not be separated from the post 301 and the connection part 303 by the body head 343 and the fastening body 345.

In particular, when the support connecting members 331 are in contact with the inner side of the flange 313 and the fastening body 345 in a state overlapped with each other, and the body head 343 is in contact with the outer side of the flange 313, the connection part The 303 may be fixed to the post 301 by the fixing portion 304. Here, the body 302 may be inserted between the body connection members 335 and contact the body connection members 335 to be installed in a fixed state to some extent.

In the state as described above, when the fastening body 345 is separated from the fixed body 341 by being spaced apart from the post connection members 331, the post connection members 331 and the body head 343 are from the flange 313 Can be separated. Here, the body 302 may be separated from the connection portion 303 and separated between the posts 301 and disassembled.

On the other hand, the fixed body 341 of the present embodiment may be formed in various shapes such as a square rod shape, a triangular rod shape, a circular rod shape, and the like, and preferably in a circular rod shape. In particular, when the fixed body 341 has a circular rod shape, the body head 343 may have an outer diameter larger than the outer diameter of the fixed body 341. Here, a thread is formed in the region of the second end of the fixing body 341, the fixing body 341 may be formed in the form of a bolt in combination with the body head 343, and the fastening body 345 is in the form of a nut It can be screwed to the fixed body 341.

The installation induction part 305 may be formed of a plate-shaped electromagnet corresponding to the flange 313 of the post 301. A plurality of mounting grooves 305a are formed in the installation guide part 305 to correspond to the first coupling opening 301a, and each mounting groove 305a has a shape corresponding to the body head 343 of the fixing part 304 And size.

The body head 343 may be inserted into the mounting groove 305a. When the installation induction part 305 is supplied with electricity and has magnetism, the body head 343 is inserted into and fixed in the mounting groove 305a, and the fixed body 341 is positioned in a protruding form from the installation induction part 305. I can. When the fixing body 341 passes through the first coupling opening 301a and the second coupling opening 303a in the above state, the installation guide portion 305 may be attached to the outer surface of the flange 113 due to magnetism. I can. Accordingly, the fixing body 341 can easily penetrate the first coupling opening 301a and the second coupling opening 303a, and can be fixed in a penetrating state. In addition, since the fixed body 341 is fixed, the fastening body 345 can be easily coupled to the fixed body 341.

On the other hand, in a state in which the fastening body 345 is coupled to the fixed body 341, the installation induction part 305 may not have magnetism because electricity is not supplied. Here, the installation induction part 305 may be separated from the outer surface of the flange 313 and may be used to couple the connection part 303 to the other post 301 using the fixing part 304.

Rockfall prevention measures 300 of this embodiment may position the body 302 between the posts 301 so as to close between the posts 301. Here, some of the pair of connection portions 303 are inserted into the coupling space 310 between the flanges 313 in the post 301, and both sides of the body 302 are each of the pair of connection portions 303 It can be inserted in other parts. In particular, the connecting portions 303 each include a post connecting member 331, an inclined connecting member 333, and a body connecting member 335. here. Post connection members 331 corresponding to some of the pair of connection portions 303 may be spot welded to each other, and second coupling openings 303a may be positioned and connected to correspond to each other. In addition, the body connection members 335 corresponding to other portions of the pair of connection portions 303 may be spaced apart from each other and positioned to be parallel. The post connection members 331 are inserted into the coupling space 310 in a superimposed state, and the second coupling openings 303a of the post connection members 331 are the first coupling openings of the flange 313 of the post 301 ( It may be positioned to correspond to the 301a). In addition, the member frame 323 of the body 302 is inserted between the body connection members 335 to make surface contact with the body connection members 335. Here, the member frame 323 may be maintained in a state inserted between the body connection members 335.

In the above state, the fixing part 304 may pass through the first coupling openings 301a and the second coupling openings 303a to fix the connection portions 303 to the post 301. Here, the body 302 may be inserted between the body connection members 335 and installed between the posts 301 in a state fixed to some extent by the fixing part 304. In addition, when the fixing portion 304 is separated from the first coupling openings 301a and the second coupling openings 303a, the body 302 is separated from the connection portion 303 to be disassembled between the posts 301. I can. Therefore, the rockfall prevention measures 300 of this embodiment can easily install and disassemble the body 302 including the mesh-like member 321 between the posts 301 using the connection part 303 and the fixing part 304 In addition, time and cost according to installation and disassembly can be significantly reduced.

Above, the technical idea of the present invention has been described in detail with reference to preferred embodiments, but the technical idea of the present invention is not limited to the above embodiments, and those skilled in the art within the scope of the technical idea of the present invention Various modifications and changes are possible by the user.

100, 300: Rockfall prevention measures
101, 301: landlord
102, 302: body
103, 303: connection
104, 304: fixing part
105: auxiliary fixing part
305: installation guide part

Claims (10)

A plurality of posts spaced from each other along the road in the periphery of the road and positioned in a vertical direction, respectively;
A body that is positioned between the posts to close between the posts;
A plurality of connecting portions corresponding to each of the two side regions of the body and positioned so that the body is inserted while being inserted into the post to connect the body to the post; And
It includes a fixing portion for fixing the body between the posts by penetrating the posts and the connection portion to fix the connection to the posts,
The landlord,
A web made of a plate-like metal material; And
Each consisting of a plate shape of a metal material and orthogonal to the web, and includes a pair of flanges positioned to face each other to form a coupling space,
The body is located between the posts, and both sides of the body face each web,
Each of the connections,
Post connecting member made of a plate shape;
Doedoe made in a plate shape, the first side end is connected to the first side end of the post connecting member and the inclined connection member forming a predetermined angle with the post connecting member; And
It is made in a plate shape, the first side end is connected to the second side end of the inclined connecting member and includes a body connecting member forming a predetermined angle with the inclined connecting member,
The connecting portions are positioned so as to correspond to each other by a pair, and when the post connecting members are overlapped with each other, the inclined connecting members are positioned to be gradually spaced apart from each other as they are spaced apart from the post connecting members, and the body connecting members are spaced apart and parallel to each other. Is located,
A pair of post connection members are inserted into the coupling space, and the side region of the body is inserted between the body connection members to contact the body connection members,
The body is,
A mesh-like member made of a plate shape made of metal or high-strength plastic, and having a plurality of holes; And
And a member frame positioned along the edge of the mesh-like member and coupled to the mesh-like member, and partly inserted between the body connection members to contact the body connection members,
The member frame,
A fixed frame positioned along the edge of the mesh-like member and coupled to the mesh-like member;
A pair of connection frames, each of which is positioned to correspond to both side surfaces of the fixed frame, and has a concave insertion space into which a side region of the fixed frame can be inserted;
A pair of rotating shafts rotatably positioned inside the fixed frame so as to be adjacent to each of both side surfaces of the fixed frame;
A connection wire that is connected to the rotating shaft and can be wound or released, and is connected to the inner surface of the insertion space through the side of the fixed frame; And
It is located on the upper surface of the fixed frame and connected to the end of the rotating shaft, and includes a wire control unit capable of rotating the rotating shaft and maintaining it in a rotated state,
In a state in which the post connection members are inserted into the coupling space, the connection frame is inserted between the body connection members in a state spaced apart from the fixed frame to contact the body connection members,
The wire control unit rotates the rotation shaft to wind the connection wire, so that the side region of the fixed frame is inserted into the insertion space of the connection frame inserted between the body connection members.
delete The method of claim 1, wherein the fixing part,
A rod-shaped fixed body;
A body head having a cross-sectional area larger than that of the fixed body and positioned at the first end of the fixed body; And
Including a fastening body that is detachably positioned on the second end-side region opposite the first end of the fixed body and coupled to the fixed body,
In a state in which a pair of post connecting members are inserted into the coupling space, when the fixing body passes through the flange and the pair of post connecting members, the body head is positioned to correspond to the outer surface of the flange, and the fastening body is the fixed body. Coupled to and located in the combined space,
When the support connecting members overlapped with each other are in contact with the inner surface of the flange and the fastening body, and the body head is in contact with the outer surface of the flange, the connecting parts are fixed to the support to fix the body between the pillars.
The method of claim 1,
A plurality of first coupling openings are formed along the web in the flange, each of the first coupling openings is formed along a horizontal direction,
A plurality of second coupling openings are formed in the post connecting member to correspond to the first coupling openings, and each of the second coupling openings is formed along a vertical direction,
In a state in which the post connecting member is inserted into the coupling space, the first coupling opening and the second coupling opening are positioned so as to intersect, and are penetrated by the fixing portion.
delete The method of claim 1, wherein the rockfall prevention measures,
In a state in which a part of the member frame is inserted between the body connection members, it further comprises an auxiliary fixing part for fixing the body to the connection part through the member frame and the body connection parts.
The method of claim 6, wherein the auxiliary fixing part,
A rod-shaped auxiliary fixing body;
An auxiliary body head having a cross-sectional area larger than that of the auxiliary fixing body and positioned at a first end of the auxiliary fixing body; And
It includes an auxiliary fastening body that is located to be detachably located on the second end-side region opposite the first end of the auxiliary fixed body and coupled to the auxiliary fixed body,
When a part of the member frame is inserted between the body connecting members, when the auxiliary fixed body penetrates the part of the member frame and the body connecting members, the auxiliary body head is positioned to correspond to any one of the body connecting members, and The fastening body is coupled to the auxiliary fixing body and positioned to correspond to the other one of the body connecting members,
When the auxiliary body head is in contact with any one of the body connecting members, and the auxiliary fastening body is in contact with the other of the body connecting members, the body is fixed to the connecting parts.
The method of claim 6,
A plurality of first auxiliary openings are formed in the member frame along a vertical direction,
A plurality of second auxiliary openings are formed in the body connection member to correspond to the first auxiliary openings,
In a state in which a part of the member frame is inserted between the body connecting members, the first auxiliary opening and the second auxiliary opening are positioned so as to correspond, and are penetrated by the auxiliary fixing part.
delete A plurality of posts spaced from each other along the road in the periphery of the road and positioned in a vertical direction, respectively;
A body that is positioned between the posts to close between the posts;
A plurality of connecting portions corresponding to each of the two side regions of the body and positioned so that the body is inserted while being inserted into the post to connect the body to the post; And
It includes a fixing portion for fixing the body between the posts by penetrating the posts and the connection portion to fix the connection to the posts,
The landlord,
A web made of a plate-like metal material; And
Each consisting of a plate shape of a metal material and orthogonal to the web, and includes a pair of flanges positioned to face each other to form a coupling space,
The body is located between the posts, and both sides of the body face each web,
Each of the connections,
Post connecting member made of a plate shape;
Doedoe made in a plate shape, the first side end is connected to the first side end of the post connecting member and the inclined connection member forming a predetermined angle with the post connecting member; And
It is made in a plate shape, the first side end is connected to the second side end of the inclined connecting member and includes a body connecting member forming a predetermined angle with the inclined connecting member,
The connecting portions are positioned so as to correspond to each other by a pair, and when the post connecting members are overlapped with each other, the inclined connecting members are positioned to be gradually spaced apart from each other as they are spaced apart from the post connecting members, and the body connecting members are spaced apart and parallel to each other. Is located,
A pair of post connection members are inserted into the coupling space, and the side region of the body is inserted between the body connection members to contact the body connection members,
The fixed part,
A rod-shaped fixed body;
A body head having a cross-sectional area larger than that of the fixed body and positioned at the first end of the fixed body; And
Including a fastening body that is detachably positioned on the second end-side region opposite the first end of the fixed body and coupled to the fixed body,
In a state in which a pair of post connecting members are inserted into the coupling space, when the fixing body passes through the flange and the pair of post connecting members, the body head is positioned to correspond to the outer surface of the flange, and the fastening body is the fixed body. Coupled to and located in the combined space,
When the strut connecting members overlapped with each other contact the inner surface of the flange and the fastening body, and the body head contacts the outer surface of the flange, the connecting parts are fixed to the strut to fix the body between the struts,
A plurality of first coupling openings are formed along the web in the flange, each of the first coupling openings is formed along a horizontal direction,
A plurality of second coupling openings are formed in the post connecting member to correspond to the first coupling openings, and each of the second coupling openings is formed along a vertical direction,
Rockfall prevention measures,
It is made of a plate-shaped electromagnet corresponding to the flange of the post, while being positioned to correspond to the first coupling openings, further comprising an installation guide portion having a plurality of mounting grooves each having a size and shape corresponding to the body head,
When the installation guide portion is supplied with electricity and has magnetism, the body head is inserted into the mounting groove and fixed, the fixed body penetrates the first and second coupling openings, and the installation guide portion is magnetized to the outer surface of the flange. Attached,
When the installation guide portion is not supplied with electricity and does not have magnetism, the installation guide portion can be separated from the outer surface of the flange.

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