Construction switch connection part locking device

Abstract

A locking device for a construction switch connection part is provided to prevent a cable from being disconnected from a construction switch when the line is live. The locking device for a construction switch connection part includes: i) a first holder that is in close contact with the front side of the connection part of the construction switch; ii) a second holder that is in close contact with the rear side of the connection part of the construction switch; iii) a first fixing device that fixes the first holder and the second holder; and iv) a second fixing device that fixes the handle of the construction switch to the first holder and the second holder.

Description

Technology Field

[0001] The present invention relates to a construction switch. More specifically, the present invention relates to a locking device for a connection part of a construction switch. Background Technology

[0002] Published Patent Application No. 10-2019-0010104 discloses an example of a construction switch. Referring to the aforementioned publication, uninterrupted power supply operations, such as bypass cable installation methods, are generally performed at power distribution construction sites. Representative equipment used in this process includes construction switches and bypass cables, and the bypass cable connector is connected to the bushing of the construction switch.

[0003] Meanwhile, when a bypass cable connector is connected to the bushing of a construction switch, there is no separate locking device at the connection point; consequently, numerous accidents have occurred in which live cables are disconnected from the construction switch due to errors by workers. The problem to be solved

[0004] The present invention aims to provide a locking device for the connection part of a construction switch that prevents the cable from being disconnected from the construction switch when the line is live. means of solving the problem

[0005] A locking device for a construction switch connection portion according to the first embodiment of the present invention prevents a cable from being separated from a construction switch when the line is live. The locking device for a construction switch connection portion includes: i) a first holder that is in close contact with the front side of the connection portion of the construction switch; ii) a second holder that is in close contact with the rear side of the connection portion of the construction switch; iii) a first fixing member that fixes the first holder and the second holder; and iv) a second fixing member that fixes the handle of the construction switch to the first holder and the second holder.

[0006] The locking device for the connection part of a construction switch may include a lock that locks the first fixing member fastened to the first holder and the second holder.

[0007] The first holder and the second holder may be provided with an insulating material. The first holder and the second holder may be provided in the form of rods with arc portions formed at regular intervals along the longitudinal direction.

[0008] Two first fixing members are provided, wherein one first fixing member is fastened to the upper part of the first holder and the second holder, and the other first fixing member can be fastened to the lower part of the first holder and the second holder.

[0009] The first fixing member is provided as an eyebolt, and a hole for receiving the first fixing member may be formed in each of the first holder and the second holder. Additionally, the second fixing member is provided as an eyebolt, and a hole for receiving the second fixing member may be formed in each of the first holder and the second holder.

[0010] A locking device for a construction switch connection portion according to a second embodiment of the present invention prevents a cable from being separated from a construction switch when the line is live. The locking device for a construction switch connection portion includes: i) a first cover that is in close contact with the front side of the connection portion of the construction switch; ii) a second cover that is in close contact with the rear side of the connection portion of the construction switch; and iii) a fixing member that fixes the handle of the construction switch to the first cover and the second cover.

[0011] The locking device for the connection part of the construction switch may include a lock that locks the fasteners fastened to the first cover and the second cover.

[0012] The first cover and the second cover may be provided with an insulating material. Each of the first cover and the second cover may have a shape having two or more faces.

[0013] The fixing member is provided as an eye bolt, and a hole for receiving the fixing member may be formed in each of the first cover and the second cover. Effects of the invention

[0014] By using a locking device for the connection part of a construction switch according to various embodiments, it is possible to effectively prevent the cable from being disconnected from the construction switch when it is live due to errors by workers, etc.

[0015] A locking device for the connection part of a construction switch according to various embodiments can be manufactured at a low cost. Brief explanation of the drawing

[0016] FIG. 1 is a schematic diagram showing a locking device for a construction switch connection part according to a first embodiment of the present invention. FIG. 2 is a diagram showing the usage state of a locking device for a construction switch connection part according to the first embodiment of the present invention. FIG. 3 is a schematic diagram showing a locking device for a construction switch connection part according to a second embodiment of the present invention. FIG. 4 is a diagram showing the usage state of a locking device for a construction switch connection part according to a second embodiment of the present invention. Specific details for implementing the invention

[0017] The technical terms used herein are for the reference of specific embodiments only and are not intended to limit the invention. The singular forms used herein include plural forms unless phrases clearly indicate otherwise. The meaning of "comprising" as used in the specification specifies a particular characteristic, area, integer, step, action, element, and / or component, and does not exclude the presence or addition of other particular characteristic, area, integer, step, action, element, component, and / or group.

[0018] Unless otherwise defined, all terms used herein, including technical and scientific terms, have the same meaning as generally understood by those skilled in the art to which the present invention pertains. Terms defined in commonly used dictionaries are further interpreted to have meanings consistent with relevant technical literature and the present disclosure, and are not interpreted in an ideal or highly formal sense unless otherwise defined. For example, the term "applied" described below is interpreted to include both the state of being appropriately used and the state prior to being appropriately used.

[0019] Expressions described in the singular in this specification may be interpreted as singular or plural unless explicit expressions such as "one" or "single" are used.

[0020] In this specification, terms including ordinal numbers, such as first, second, etc., may be used to describe various components, but said components are not limited by said terms. Such terms are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of the present disclosure, the first component may be named the second component, and similarly, the second component may be named the first component.

[0021] In the flowchart described with reference to the drawings in this specification, the order of operations may be changed, several operations may be merged or some operations may be divided, and certain operations may not be performed.

[0022] Embodiments of the present invention are described below with reference to the attached drawings so that those skilled in the art can easily implement the invention. However, the present invention may be embodied in various different forms and is not limited to the embodiments described herein.

[0023] FIG. 1 is a schematic diagram showing a construction switch connection part locking device (100) according to a first embodiment of the present invention, and FIG. 2 is a diagram showing the usage state of the construction switch connection part locking device (100). As shown in FIG. 1 and FIG. 2, the construction switch connection part locking device (100) includes a first holder (110), a second holder (120), a first fixing member (130), and a second fixing member (140). In addition, the construction switch connection part locking device (100) may further include a lock (150).

[0024] The connection portion of the construction switch (SB) mentioned below refers to the surrounding area of ​​three bushings (B) [for three-phase AC power] arranged in a row along the height direction on one side (= load side) or the other side (= power side) of the body (M).

[0025] The first holder (110) is in close contact with the front side of the connection portion of the construction switch (SB) when the cable connector (C) is attached to the construction switch (SB). The first holder (110) may be provided in the form of a rod. The length of the first holder (110) corresponds to the height of the body (M) of the construction switch (SB). The first holder (110) has three arc portions (111) formed at regular intervals along the length direction to accommodate three bushings (B). The arc portions (111) surround one side area of ​​the bushings (B). The first holder (110) may be provided with an insulating material. The first holder (110) may be provided with a synthetic resin material.

[0026] The second holder (120) is attached to the rear side of the connection portion of the construction switch (SB) when the cable connector (C) is connected to the construction switch (SB). The second holder (120) may be provided in the form of a rod. The length of the second holder (120) corresponds to the height of the body (M) of the construction switch (SB). Three arc portions (121) that accommodate three bushings (B) are formed at regular intervals along the length direction of the second holder (120). The arc portions (121) surround the other side area of ​​the bushings (B). That is, the second holder (120) may be symmetrical to the first holder (110) with respect to the bushings (B). The second holder (120) may be provided with an insulating material. The second holder (120) may be provided with a synthetic resin material.

[0027] The first fixing member (130) fixes the first holder (110) and the second holder (120) that are in close contact with the connection portion. The first fixing member (130) is not limited to a specific shape. As one example, the first fixing member (130) may be provided as an eye bolt. In this case, holes (112, 114, 122, 124) for receiving the first fixing member (130) are formed in the first holder (110) and the second holder (120). Screw threads may be provided on the inner side of the holes (112, 114, 122, 124). Two first fixing members (130) may be provided. At this time, one can be fastened to a hole (112, 122) formed on the upper part of the first holder (110) and the second holder (120), and the other can be fastened to a hole (114, 124) formed on the lower part of the first holder (110) and the second holder (120).

[0028] A lock (150) is coupled to the end of a first fastener (130) that is fastened to a first holder (110) and a second holder (120), thereby preventing the first fastener (130) from being arbitrarily removed from the first holder (110) and the second holder (120). The lock (150) is not limited to the form shown in the drawing and may be provided in various forms. In some embodiments, the lock (150) may be integrated with the first holder (110) or the second holder (120).

[0029] The second fixing member (140) secures the handle (H) of the construction switch (SB) to the first holder (110) and the second holder (120). The second fixing member (140) is not limited to a specific shape. As one example, the second fixing member (140) may be provided as an eye bolt. In this case, holes (113, 123) for receiving the second fixing member (140) are formed in the first holder (110) and the second holder (120). Threads may be provided on the inside of the holes (113, 123). In some embodiments, the second fixing member (140) may be provided to be lockable by a lock (150).

[0030] The operation of the locking device (100) for the connection part of the construction switch is briefly explained. First, with the cable connector (C) attached to the construction switch (SB), the first holder (110) and the second holder (120), which are in close contact with the connection part of the construction switch (SB), are fixed by the first fixing member (130). Subsequently, a handle (H) at a specific position is fixed to the first holder (110) and the second holder (120) by the second fixing member (130). Accordingly, even if an external force is applied to the cable connector (C), the cable connector (C) is not separated from the bushing (B). In other words, the separation of the cable connector (C) from the bushing (B) of the construction switch (SB) during the live state due to an error by a worker is fundamentally prevented.

[0031] FIG. 3 is a schematic diagram showing a construction switch connection part locking device (200) according to a second embodiment of the present invention, and FIG. 4 is a diagram showing the usage state of the construction switch connection part locking device (200). As shown in FIG. 3 and FIG. 4, the construction switch connection part locking device (200) includes a first cover (210), a second cover (220), and a fixing member (230). In addition, the construction switch connection part locking device (200) may further include a lock (250).

[0032] The first cover (210) is mounted on the front side of the connection portion of the construction switch (SB) while the cable connector (C) is attached to the construction switch (SB). The first cover (210) may be provided in a form having two or more faces. The angle between the two faces may be provided to be close to a right angle. In some embodiments, the first cover (210) may be provided in a three-dimensional shape having four faces. The length of the first cover (210) corresponds to the height of the body (M) of the construction switch (SB). The second cover (210) has three arc portions formed at regular intervals along the length direction to accommodate three bushings (B). The arc portions surround one side area of ​​the bushings (B). The first cover (210) may be provided with an insulating material. The first cover (210) may be provided with a synthetic resin material.

[0033] The second cover (220) is mounted on the rear side of the connection portion of the construction switch (SB) while the cable connector (C) is attached to the construction switch (SB). The second cover (220) may be provided in a form having two or more faces. The angle between the two faces may be provided to be close to a right angle. In some embodiments, the second cover (220) may be provided in a three-dimensional shape having four faces. The length of the second cover (220) corresponds to the height of the body (M) of the construction switch (SB). The second cover (220) has three arc portions formed at regular intervals along the length direction to accommodate three bushings (B). The arc portions wrap around the other side area of ​​the bushings (B). That is, the second cover (220) may be symmetrical to the first cover (210) with respect to the bushings (B). The second cover (220) may be provided with an insulating material. The second cover (220) may be provided with a synthetic resin material. The first cover (210) and the second cover (220), which are connected to the connection part of the construction switch (SB), safely protect the connection part from external impact or substances.

[0034] The fixing member (230) secures the handle (H) of the construction switch (SB) to the first cover (210) and the second cover (220). The fixing member (230) is not limited to a specific shape. As an example, the fixing member (230) may be provided as an eye bolt. In this case, a hole (211, partially not shown) for receiving the fixing member (230) is formed in the first cover (210) and the second cover (220). A screw thread may be provided on the inner side of the hole (211). The fixing member (230) may be provided to be lockable by a lock (250).

[0035] A lock (250) is coupled to the end of a fastener (230) fastened to the first cover (210) and the second cover (220) to prevent the fastener (230) from being arbitrarily removed from the first cover (210) and the second cover (220). The lock (250) is not limited to the form shown in the drawing and may be provided in various forms. In some embodiments, the lock (250) may be integrated with the first cover (210) or the second cover (220).

[0036] Two or more fixing members (230) may be provided. At this time, a hole (211, partially not shown) corresponding to the number of fixing members (230) is formed in each of the first cover (210) and the second cover (220). When two or more fixing members (230) are provided, one of them functions to fix the handle (H) of the construction switch (SB) to the first cover (210) and the second cover (220), and the other functions to fix the first cover (210) and the second cover (220) to each other.

[0037] The operation of the locking device (200) for the connection part of the construction switch is briefly explained. The handle (H) is fixed to the first cover (210) and the second cover (220) mounted on the connection part of the construction switch (SB) by means of the fixing member (230) at a specific position. Accordingly, even if an external force is applied to the cable connector (C), the cable connector (C) is not separated from the bushing (B). In other words, the separation of the cable connector (C) from the bushing (B) of the construction switch (SB) during the live state due to an error by the operator is fundamentally prevented.

[0038] When a construction switch connection locking device (100, 200) according to the various embodiments described above is installed on a construction switch (SB), it is possible to effectively prevent the cable connector (C) from being separated from the bushing (B) of the construction switch (SB) when it is in a live state due to a worker's error, etc.

[0039] Although the present invention has been described as previously stated, those skilled in the art will readily understand that various modifications and variations are possible without departing from the concept and scope of the claims set forth below. Explanation of the symbols

[0040] 100. Locking device for connection part of construction switchgear 110. First holder 111. Welfare Department 112, 113, 114. Hole 120. Second holder 121. Welfare Department 122, 123, 124. Hole 130. First fixing device 140. Second fixing device 150. Lock 200. Locking device for connection part of construction switchgear 210. First Cover 211. Hall 220. Second Cover 230. Fixture 250. Lock SB. Construction switch M. Body B. Bushing H. Handle C. Cable connector

Claims

Claim 1 A locking device for a construction switch connection part, comprising a first holder that is in close contact with the front side of the connection part of the construction switch, a second holder that is in close contact with the rear side of the connection part of the construction switch, a first fixing member that fixes the first holder and the second holder, and a second fixing member that fixes the handle of the construction switch to the first holder and the second holder, wherein the first holder is provided in the form of a rod with arc portions formed at regular intervals along the longitudinal direction, the second holder is provided in the form of a rod with arc portions formed at regular intervals along the longitudinal direction, the second fixing member is provided as an eye bolt, and a hole for receiving the second fixing member is formed in each of the first holder and the second holder. Claim 2 A locking device for a construction switch connection part, wherein the first holder and the second holder are provided with insulating material in claim 1. Claim 3 delete Claim 4 delete Claim 5 A locking device for a construction switch connection part, wherein, in claim 1, two first fixing members are provided, one of which is fastened to the upper part of the first holder and the second holder, and the other first fixing member is fastened to the lower part of the first holder and the second holder. Claim 6 A locking device for a construction switch connection part, wherein, in claim 1, the first fixing member is provided as an eye bolt, and a hole for receiving the first fixing member is formed in each of the first holder and the second holder. Claim 7 A construction switch connection part locking device comprising, in claim 6, a lock that locks the first fixing member fastened to the first holder and the second holder. Claim 8 delete Claim 9 A locking device for a construction switch connection part, comprising a first cover that is in close contact with the front side of the connection part of the construction switch, a second cover that is in close contact with the rear side of the connection part of the construction switch, and a fixing member that fixes the handle of the construction switch to the first cover and the second cover, wherein each of the first cover and the second cover is in a shape having two or more faces, the fixing member is provided as an eye bolt, and a hole for receiving the fixing member is formed in each of the first cover and the second cover. Claim 10 In claim 9, the first cover and the second cover are provided with insulating material, a locking device for a construction switchgear connection part. Claim 11 delete Claim 12 delete Claim 13 A locking device for a construction switch connection part, comprising a lock that locks the fasteners fastened to the first cover and the second cover in claim 9. Claim 14 delete

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