KR-20260067815-A - Leakage detection type underground distribution line wire support device

Abstract

The present invention relates to a leakage detection type underground power line support device comprising a wire support unit (100), a temporary trolley unit (200), a switch (300), a leakage detection sensor (400), a solenoid (500), a control unit (600), a transmitter (700), a receiver (800), and a leakage display unit (900). According to this, when a leakage occurs, it is quickly detected and visually displayed so that a facility manager can take prompt follow-up measures through it, and the laying work of the underground power line (L) can be easily carried out, thereby maximizing work convenience. Furthermore, the underground power line (L) housed in the laying platform (120) can be easily and conveniently pulled out and moved to the required location, making work convenient. Additionally, the temporary trolley unit (200) installed in the wire support unit (100) can be inserted and removed through the entrance (112a), making maintenance significantly advantageous.

Inventors

• 김동학

Assignees

• 주식회사동우이씨

Dates

Publication Date

20260513

Application Date

20241106

Claims (1)

1. A mounting bracket (110) comprising a bracket (111) installed on the wall of a power conduit (T), a square tube-shaped arm (112) extending horizontally from the front of the bracket (111), having a guide portion (112b) on its upper surface that communicates with the interior along the longitudinal direction, an entrance (112a) communicating with the interior provided at one end of the guide portion (112b), and guide rails (112c) formed in parallel from both sides inside, and a supporter (113) having one end fixed to the lower surface of the arm (112) and the other end fixed to the bracket (111) to prevent sagging of the arm (112), and A laying stand (120) comprising a body (121) having a ‘C’ shape with an interior that is open toward the laying direction and the wall of the power conduit (T) so that an underground power line (L) to be laid can be inserted and removed, and formed integrally at the end of an arm (112), wherein the interior is formed such that the upper surface and the front surface are orthogonal to each other, and the lower surface of the interior is formed to be inclined upward toward the wall of the power conduit (T), and a guide part (121a) communicating with the guide part (112b) of the arm (112) is provided on the lower surface and the front surface of the interior, and a mounting hole (121b) communicating with the interior is provided on the outer front surface, and an idler (122) installed respectively on the upper surface, front surface, and lower surface of the interior of the body (121) facing each other with respect to the guide part (121a) to reduce friction when the underground power line (L) moves, and A wire support unit (100) composed of a rack (130) installed along the inner bottom surface of a mounting bracket (110) and a laying bracket (120); An 'L'-shaped push rod (210) equipped with a plunger (211) that is movably installed on a guide rail (112c), is inserted through an entrance (112a) and movably positioned on a guide section (112b), and moves an underground power line (L) inserted into a laying platform (120) along the longitudinal direction of a mounting platform (110), and A bidirectional motor (220) installed on a push rod (210) to rotate a motor shaft (221) in a clockwise or counterclockwise direction, and A retaining wall (230) installed on a push rod (210), and A first bevel gear (240) rotated by a motor shaft (221), and A second bevel gear (250) that rotates by engaging with a first bevel gear (240) and is equipped with a rotating shaft (251) that is rotatably coupled to a shaft (230), and A pinion (260) that is fixed to a rotating shaft (251) to receive rotational force via a rotating shaft (251) and moves along the longitudinal direction while engaging with a rack (130), and A temporary trolley unit (200) composed of a pusher (270) extending from a push rod (210) toward a mounting hole (121b); A switch (300) installed in a wire support unit (100) that outputs an operation signal to cause a bidirectional motor (220) to rotate clockwise or counterclockwise; A leakage detection sensor (400) installed in a wire support unit (100) to detect leakage and output a leakage detection signal; A solenoid (500) installed in the wire support unit (100) to restrict excessive forward movement of the temporary trolley unit (200); A clockwise operation signal or a counterclockwise operation signal is received from the switch (300) and transmitted to the transmitter (700), and A control unit (600) that receives a leakage detection signal from a leakage detection sensor (400), controls the operation of a solenoid (500) so that a protruding stopper rod (510) is retracted, and outputs a motor operation signal to a transmitter (700) so that the temporary trolley unit (200) can move toward the front of the laying platform (120); A transmitting unit (700) installed in a wire support unit (100) and receiving a clockwise operation signal, a counterclockwise operation signal, or a motor operation signal from a control unit (600) and transmitting it wirelessly; A receiving unit (800) installed in a temporary trolley unit (200) that receives a clockwise operation signal, a counterclockwise operation signal, or a motor operation signal from a transmitting unit (700) and transmits it to a bidirectional motor (220); A leakage detection type underground power line support device characterized by including a glass leakage indicator (900) that is detachably inserted into a mounting hole (121b) and is released by a pusher (270) and falls to the floor and is destroyed, thereby discharging a fluorescent material contained inside.

Description

Leakage detection type underground distribution line wire support device The present invention relates to a leakage detection type underground power line wire support device. Generally, the undergrounding of overhead power lines in Korea began with the relocation of utility poles along main roads to back alleys and the use of low-voltage cables to supply power from pole-mounted transformers to nearby consumers, and this trend is continuously expanding. Underground power distribution line construction methods can be broadly classified into direct burial, conduit, power tunnel, and bridge addition methods. Among these, the power conduit type, also known as the culvert type or the conduit type, is constructed by joining concrete structures underground like pipes. Shelves are fixed vertically to the floor surface by being closely attached to the left and right side walls inside the concrete structure, and the entire structure, including the shelves, is called a tray. However, in this type of power conduit construction, since the shelves are simply fixed in layers on the side walls inside the concrete structure, if water leakage occurs in the concrete structure, seepage water flows in along the shelves installed on the side walls, causing leakage or short circuits in the underground power distribution lines. If this situation is continuously repeated, oxidation is accelerated, which shortens the lifespan of the underground power distribution lines. Furthermore, it was difficult to detect leakage currents caused by stripped insulation on underground power lines; consequently, this poses a safety issue because there is a significant risk of electric shock due to leakage when workers approach for maintenance or other purposes without being aware of the problem. FIG. 1 is a perspective view of a leakage detection type underground power distribution line wire support device according to the present invention. FIG. 2 is a partial cross-sectional perspective view of part “A” of FIG. 1. FIG. 3a is a partial side cross-sectional view of section “A” of FIG. 1. FIG. 3b is a partial plan view of section “A” of FIG. 1. FIG. 4 is a perspective view showing a separate temporary trolley unit in a leakage detection type underground power distribution line wire support device according to the present invention. Fig. 5 is a front view of Fig. 4. FIG. 6 is a block diagram illustrating the interrelationships between each component in a leakage detection type underground power distribution line wire support device according to the present invention. FIGS. 7 to 9 are drawings illustrating the process of installing an underground power line using a leakage detection type underground power line wire support device according to the present invention. FIGS. 10 to 12 are drawings for explaining other functional effects of the leakage detection type underground power distribution line wire support device according to the present invention. The following is a detailed explanation based on the attached drawings. FIG. 1 is a perspective view of a leakage detection type underground power line wire support mechanism according to the present invention, FIG. 2 is a partial cross-sectional perspective view of part “A” in FIG. 1, FIG. 3a is a partial side cross-sectional view of part “A” in FIG. 1, FIG. 3b is a partial plan cross-sectional view of part “A” in FIG. 1, FIG. 4 is a perspective view showing a temporary trolley unit separately extracted from the leakage detection type underground power line wire support mechanism according to the present invention, FIG. 5 is a front view of FIG. 4, and FIG. 6 is a block diagram illustrating the interrelationships between each component in the leakage detection type underground power line wire support mechanism according to the present invention. Referring to FIGS. 1 to 6, the leakage detection type underground power distribution line wire support mechanism according to the present invention comprises a wire support unit (100), a temporary trolley unit (200), a switch (300), a leakage detection sensor (400), a solenoid (500), a control unit (600), a transmitter (700), a receiver (800), and a leakage display unit (900). Accordingly, when a leakage occurs, it is quickly detected and visually displayed, allowing the facility manager to take prompt follow-up measures. It also allows for easy installation of the underground power distribution line (L), thereby maximizing work convenience. Furthermore, the underground power distribution line (L) housed in the installation platform (120) can be easily and conveniently withdrawn and moved to the required location, making work convenient. Additionally, since the temporary trolley unit (200) installed in the wire support unit (100) can be inserted and removed through the entrance (112a), replacement and It also has technical features that are significantly advantageous for maintenance. Referring to FIGS. 1 to 3b, the wire support unit (100) is composed of a mountin