KR102367326B1 - Underground distribution line tray equipped with underground distribution status inspection function - Google Patents

Abstract

The present invention relates to an underground distribution line tray having an underground distribution status inspection function. The underground distribution line tray comprises: a guide rail (100) installed on the wall (1a) (see Fig. 7a) of a tunnel for underground power cables (1) (see Fig. 7a) by a fixing means to guide a tray assembly (200) so that the same can be moved in the longitudinal direction of the tunnel for underground power cables (1); the tray assembly (200) movably installed on the guide rail (100) by rollers (211b) to support underground distribution lines (L) so that the underground distribution lines can be mounted at various heights; a retractor (300) installed on the upper surface of a shelf (211c) of a moving unit (210) to rotate a wire mounting unit (220) around a hinge point to adjust the angle of a base (221); a holding device (400) fixed to be suspended on the lower surface of the shelf (211c), limiting the deflection of the wire mounting unit (220) so that the state thereof set by the retractor (300) can be maintained; and an abnormality detection unit (500) installed on the tray assembly (200) to detect a short circuit when the short circuit occurs, and to notify the people of the short circuit. Even if the angle of the base changes, a cable holder can be leveled so that the underground distribution lines can be mounted in a more stable state. In particular, as the height of the cable holder changes according to changes in the angle of the base, spatial utilization can be increased in using the inner space of the tunnel for underground power cables in that it is not required to install trays at different heights on the wall of the tunnel for underground power cables as in the conventional underground distribution line tray.

Description

Underground distribution line tray equipped with underground distribution status inspection function

The present invention relates to an underground distribution line tray, and more specifically, it is possible to divide and mount the underground distribution line through free height adjustment, and the operator can intuitively recognize whether there is a short circuit, thereby avoiding the risk of electric shock and quickly It relates to an underground distribution line tray equipped with an underground distribution condition inspection function that can perform maintenance in a safe manner.

In general, a tunnel-type common area is provided underground, and transmission and distribution cables and communication cables (hereinafter referred to as 'cables') are installed in this common area.

Therefore, in order to keep these various types of cables and pipes neatly arranged without interfering with each other, innumerable multi-stage hangers are installed on the inner wall of the tunnel type cavity.

By using such a hanger, cables can be installed separately without being tangled with each other.

As an example of a hanger for installing cables underground, Korean Patent Registration No. 10-0857773 discloses a device for installing a power transmission cable, which has the advantage of being able to easily and conveniently mount a plurality of cables (underground cables). There is.

However, since the conventional cable hangers are arranged in a downwardly inclined state, when the cables are mounted, they flow down along the inclined surface, making it difficult to ensure stability, and it is fundamentally difficult to adjust the height. there was.

1. Republic of Korea Patent No. 10-0857773

The present invention has been devised to solve the above problems, and it is possible to divide and mount the underground distribution line through free height adjustment, and pull the underground distribution line erected on the replacement target tray when replacing the tray if necessary. Because it can be mounted, the convenience of replacement work can be maximized, and the operator can intuitively recognize whether there is a short circuit, thereby avoiding the risk of electric shock and equipped with an underground distribution status check function that can perform maintenance quickly. The purpose is to provide an underground distribution line tray.

The present invention for achieving the above object,

a guide rail consisting of a rail part spaced apart from each other in parallel along the longitudinal direction of the electric power sphere and fixed to the wall, and a reinforcing bar interposed between the rail parts to interconnect the rail parts;

A bogie body disposed in front of the rail unit so as to be orthogonal to the rail unit, a roller movably coupled to the rail unit and interconnecting the rail unit and the bogie body, and a shelf extending forward from the upper end of the bogie body bogie,

A moving unit composed of a brake composed of a bolt fastened to the bogie body and a friction plate that is interconnected with the bolt and reciprocates by the bolt to limit the movement of the bogie by being in close contact with the wall or spaced apart from the wall;

One end is hinged to the lower end of the bogie body, and the side has a base in which a pin coupling hole is formed along the longitudinal direction so that the pin can be inserted and detached;

It is disposed on the upper part of the other end of the base and is hinged to the base, and the upper surface is provided with a wire seating groove recessed in a semicircular shape along the longitudinal direction so that an underground distribution cable can be seated and mounted.

One end is hingedly connected to the wire holder, and the other end is movably arranged on the base and fixed to the base through a pin to support the wire holder so that it can be maintained horizontally;

a tray assembly composed of a wire holding unit consisting of a hanger installed on the lower surface of the other end of the base in the same direction as the rail unit;

It consists of an electric motor installed on a shelf, a drum rotating in the forward and reverse directions by the electric motor, a traction line that is wound or unwound by the rotation of the drum, and a hook that is connected to the traction line and is detachably installed on the hanger. Retractor for adjusting the angle of the base by rotating it around;

One end is fixed to the shelf and it consists of a bracing line having different lengths, and a ring fixed to the other end of the bracing line and detachably installed on the hanger. braces to help;

an earth leakage sensor installed on the body of the vehicle to detect an earth leakage, and a control unit for receiving an earth leakage detection signal from the earth leakage sensor and controlling the operation of the light; It characterized in that it includes; an abnormal state detection unit composed of a warning light that is controlled by the control unit to emit light to the surroundings.

In the present invention, since the electric wire holder can be aligned horizontally even if the angle of the base is changed, the underground distribution cable can be mounted in a more stable state. In that it is not necessary to install trays at different heights on the wall of the power sphere, there is an advantage in that the space utilization becomes excellent when using the internal space of the power sphere.

In addition, when an electric current flows to the surroundings due to damage to the covering of the underground distribution line, the abnormal condition detection unit detects it and promptly informs the surrounding area, thus protecting workers from the risk of electric shock and prompt maintenance. This has the advantage of being able to further strengthen the inspection function of the underground distribution state.

1 is a combined perspective view of an underground distribution line tray having an underground distribution state inspection function according to the present invention;
2 is an exploded perspective view of an underground distribution line tray having an underground distribution state inspection function according to the present invention;
3 is a side view of an underground distribution line tray having an underground distribution state inspection function according to the present invention.
Figure 4 is a perspective view showing the remaining components except for the guide rail in the underground distribution line tray having an underground distribution state inspection function according to the present invention.
5 is an exploded perspective view showing an electric wire mounting unit separately extracted from an underground distribution line tray having an underground distribution state inspection function according to the present invention;
6 is a block diagram showing an abnormal state detection unit separately extracted from an underground distribution line tray having an underground distribution state inspection function according to the present invention.
7a to 7d are views for explaining the use state of the underground distribution line tray having an underground distribution state inspection function according to the present invention.

Hereinafter, it will be described in detail based on the accompanying drawings.

1 is a combined perspective view of an underground distribution line tray having an underground distribution state inspection function according to the present invention, and FIG. 2 is an exploded perspective view of an underground distribution line tray having an underground distribution state inspection function according to the present invention, FIG. is a side view of an underground distribution line tray having an underground distribution condition checking function according to the present invention, and FIG. 4 is an underground distribution line tray having an underground distribution condition checking function according to the present invention. A perspective view, Figure 5 is an exploded perspective view showing the electric wire mounting unit separately extracted from the underground distribution line tray having an underground distribution state inspection function according to the present invention, Figure 6 is equipped with an underground distribution state inspection function according to the present invention It is a block diagram showing an abnormal state detection unit separately extracted from an underground distribution line tray.

1 to 6, the underground distribution line tray according to the present invention consists of a guide rail 100, a tray assembly 200, a retractor 300, a holding mechanism 400, and an abnormal state detection unit 500. As a result, according to this, the underground distribution line (L) can be separated and mounted through free height adjustment, and if necessary, the underground distribution line (L) installed on the replacement target tray can be towed and mounted. Therefore, it has the advantage of maximizing the convenience of replacement work, and the operator can intuitively recognize whether there is a short circuit, so it is possible to avoid the risk of electric shock and has a technical feature that can perform maintenance quickly.

The guide rail 100 is composed of a rail unit 110 and a reinforcing bar 120. In this embodiment, the guide rail 100 is installed on the wall 1a (refer to FIG. 7a) of the electric power tool (1: see FIG. 7a) through a fixing means. It serves to guide the tray assembly 200 to be moved along the longitudinal direction of the electric power tool (1).

The rail unit 110 is a metal member having an approximately 'C' shape when viewed from the side. In this embodiment, the rail unit 110 is spaced apart from each other in the longitudinal direction of the electric power tool 1 to be mounted on the wall 1a. is fixed The roller 211b of the tray assembly 200 is drawn into the inside of the rail unit 110 fixed in this way to interconnect the rail unit 110 and the tray assembly 200, and the roller 211b is the rail unit 110. Cloud moves along the inner surface of

The reinforcing bar 120 is interposed between the rail parts 110 and serves to reinforce the rail parts 110 so as not to be structurally deformed while interconnecting the rail parts 110 .

The tray assembly 200 is composed of a moving unit 210 and an electric wire holding unit 220, and in this embodiment, it is movably installed on the guide rail 100 via a roller 211b as a medium, and is installed in an underground distribution line at various heights. (L) serves to support so that it can be mounted.

The moving unit 210 and the wire mounting unit 220 are hinge-connected to each other via a pin (refer to FIG. 4), and thus have a structure that can be folded or unfolded.

The moving unit 210 is composed of a bogie 211 and a brake 212. In this embodiment, the moving unit 210 is movably installed on the rail unit 110 via a roller 211b, and the wire holding unit 220 and the retractor 300 , the holding mechanism 400 , and the abnormal state detection unit 500 serve to move along the rail unit 110 .

The bogie 211 includes a bogie body 211a, a roller 211b and a shelf 211c.

The bogie body 211a is a rectangular member having a predetermined width and thickness, and is disposed in front of the rail unit 110 so as to be orthogonal to the rail unit 110 in this embodiment. An abnormal state detection unit 500 for detecting a short circuit is installed on the front surface of the bogie body 211a, and the bogie body 211a so that the abnormal state detection unit 500 can detect a short circuit in the underground distribution line (L) is It is preferable to be made of a metal material that is a conductor and has little deformation even under external force.

The rollers 211b are rotatably installed on the upper and lower ends of the rear surface of the bogie body 211a, respectively, and are built into the rail unit 110 to be able to roll in motion to interconnect the rail unit 110 and the bogie body 211a. do.

The shelf (211c) extends horizontally from the front upper end of the bogie body (211a) toward the front, the retractor 300 is installed on the upper surface, and the brace mechanism 400 in which the length of the bracing line 410 is different from each other on the lower surface. is installed

The brake 212 is composed of a bolt 212a and a friction plate 212b. In this embodiment, the brake 212 is installed on the bogie body 211a to selectively restrict the movement of the bogie 211. As shown in FIG.

The bolt (212a) is fastened to pass through the bogie body (211a) and linearly reciprocates forward and backward by rotation.

The friction plate 212b is a rectangular plate having a predetermined width and thickness, and the through-bolts 212a are interconnected on the front side to form an integrated structure, and the rear surface has irregularities to prevent slipping and strengthen adhesion.

For example, as the friction plate 212b is moved by the tightening of the bolt 212a and comes into close contact with the wall 1a (see FIG. 7A ), the movement of the bogie 211 is limited, and conversely, when the bolt 212a is loosened, , as the friction plate 212b is moved by the bolt 212a and is spaced apart from the wall 1a (see FIG. 7a ), the bogie 211 can move.

Referring to FIGS. 4 and 5 , the wire holding unit 220 includes a base 221 , a wire holder 222 , a link bar 223 and a hanger 224 , and in this embodiment, the moving unit 210 ) and a pin connected by hinges to support and support the underground distribution line (L) to be erected.

In addition, the electric wire mounting unit 220 is rotated around the pin by the retractor 300 and can be mounted by dividing the underground distribution line (L) to be erected as the height is adjusted.

The base 221 is a rectangular parallelepiped-shaped metal frame opened upward, and in this embodiment, one end is hinged to the lower end of the bogie body 211a and rotatably via a pin.

Pin coupling holes 221a are formed on both sides of the base 221 along the longitudinal direction, and a pin P for fixing the link rod 223 to the base 221 is detachable in this pin coupling hole 221a. tightly fitted

The wire holder 222 is a rectangular parallelepiped-shaped metal frame with an opening downward. In this embodiment, the wire holder 222 is disposed on the upper portion of the base 221, and the middle portion is the other end of the base 221 and the pin through the medium. It serves to support and support the underground distribution line (L) that is hinged and mounted rotatably.

In addition, a plurality of wire seating grooves 222a recessed in a semi-circular shape are formed on the upper surface of the wire holder 222 to face each other around a pin.

The electric wire holder 222 is hingedly connected to the base 221, so even if the angle of the base 221 changes, it can be rotated around the pin to level it, so that the underground distribution line L can be supported more stably. there is.

In order to maintain the horizontal state of the electric wire holder 222, the link stand 223 is used in this embodiment.

The link bar 223 is a rectangular parallelepiped-shaped metal member having a predetermined width and thickness, and one end is rotatably connected to the wire holder 222 and a pin through a pin, and the other end is movable to the base 221 . It is disposed and fixed to the base 221 via a pin (P), and serves to support the electric wire holder 222 to keep it horizontal.

On the other hand, since the wire holder 222 and the link rod 223 can be rotatably connected by various known methods, it is not limited to being interconnected via a pin.

As an example, when the base 221 is rotated around the pin and the angle is changed, the wire holder 222 also forms the same angle as the base 221. In this case, the wire holder 222 is connected to the base 221 . By rotating the pin connected to the center, it is possible to align the wire holder 222 horizontally.

When the wire holder 222 and the link rod 223 connected via the pin are rotated around the pin in the state where the wire holder 222 is horizontally aligned as described above, the other end of the link rod 223 is the base ( 221), and at this time, when the pin coupling hole 221a of the base 221 and the hole (see FIG. 5) formed at the other end of the link bar 223 communicate with each other, the pin is inserted into the pin coupling hole 221a. (P) is inserted to fix the link bar 223 to the base 221, thereby maintaining the horizontal state of the wire holder 222.

The present invention has the advantage that the underground distribution line (L) can be mounted in a more stable state because the electric wire holder 222 can be horizontally aligned even when the angle of the base 221 is changed as described above.

In addition, since the height of the electric wire holder 222 is changed according to the change in the angle of the base 221, there is no need to install trays at different heights on the wall 1a of the electric power unit 1 as in the prior art, Accordingly, there is an advantage in that the space utilization is excellent in using the internal space of the electric power tool (1).

The hanger 224 is a medium for interconnecting the retractor 300 or the holding mechanism 400 and the base 221, and is a round bar having a constant diameter.

In the case of this embodiment, the hanger 224 is installed on the lower surface of the other end of the base 221 in the same direction as the rail unit 110, and both ends extend in the longitudinal direction of the rail unit 110. The hook 340 of the retractor 300 or the ring 420 of the holding mechanism 400 is detachably coupled.

The retractor 300 is composed of an electric motor 310, a drum 320, a traction line 330 and a hook 340. In this embodiment, the retractor 300 is installed on the upper surface of the shelf 211c of the moving unit 210 and is installed on the wire mounting unit. It serves to adjust the angle of the base 221 by rotating 220 around the hinge point.

The electric motor 310 is a conventional double-axis motor capable of rotating the drum 320 installed at both ends in forward and reverse directions.

The drum 320 is fixed to the shaft (not shown) of the electric motor 310 and is rotated in the forward and reverse directions by the electric motor 310 to wind or unwind the traction line 330 .

The traction line 330 is a line (eg, a wire) installed to be wound and unwound on the drum 320 , and one end is connected to the drum 320 , and the other end is connected to the hook 340 , in forward and reverse directions. It is wound around the drum 320 or unwound from the drum 320 by the rotating electric motor 310 .

The hook 340 is a ring-shaped member and is detachably installed on the hanger 224 .

As an example, when the operator operates the retractor 300 using a remote control (not shown), the electric motor 510 is operated by a signal to rotate the drum 320, and is wound by the rotation of the drum 320. The tow line 330 is released.

As described above, when the traction line 330 is released to a certain length, the operator hangs the hook 340 on the hanger 224 of the wire mounting unit 220 .

Then, when the retractor 300 is operated using a remote control (not shown), the electric motor 510 is operated by a signal to rotate the drum 320, and the retractor line 330 released by the rotation of the drum 320 ) is wound on the drum 320 and pulls the hanger 224 , and accordingly, the wire holding unit 220 rotates toward the moving unit 210 around the hinge point.

In this way, the angle of the wire mounting unit 220 can be set in various ways.

According to this embodiment, since there is no need for the operator to directly lift the heavy wire mounting unit 220, it is possible to safely protect the operator from the risk of musculoskeletal injury.

In addition, if necessary, when replacing the wire mounting unit 220 constituting the tray assembly 200, the underground distribution line (L) erected on the replacement target wire mounting unit 220 is towed to another tray assembly 200. Since it can be temporarily installed, it can be expected to have a side effect that maximizes the convenience of replacement work.

The holding mechanism 400 is composed of a brace 410 and a ring 420, and in this embodiment, it is fixed to be hung on the lower surface of the shelf 211c, and the wire is mounted so that the state set by the retractor 300 can be maintained. It serves to limit the deflection of the unit 220 .

The bracing line 410 is fixed to the shelf 211c in different lengths, for example, between the moving unit 210 and the wire mounting unit 220 to form a constant angle (75˚/60˚/45˚). It is manufactured with the length of the hypotenuse.

Therefore, if the wire mounting unit 220 is fixed using the brace 410 and the ring 420 after being set at a predetermined angle by the retractor 300, the set angle of the wire mounting unit 220 can be maintained. In this way, the wire holding unit 220 set at a different angle may be fixed with the holding mechanism 400 .

There is an advantage that can greatly reduce the power consumption applied to the retractor 300 by fixing the wire holding unit 220 set at a predetermined angle as described above through the holding mechanism 400 .

Referring to FIGS. 1 and 6 , the abnormal state detection unit 500 is composed of an earth leakage sensor 510 , a control unit 520 , and a warning light unit 530 , and in the present embodiment, it is installed in the tray assembly 200 . In the event of a short circuit, it detects and notifies the surrounding area.

The earth leakage sensor 510 is installed on the front surface of the bogie body 211a made of a metal material, and when current flows around due to damage to the covering of the underground distribution line (L), it detects this leakage and transmits a detection signal to the control unit 520 will be output as

The control unit 520 receives a detection signal from the earth leakage sensor 510 and serves to control the operation of the warning light unit 530 .

The warning light 530 is controlled by the control unit 520 to emit light to the surroundings, and the operator can intuitively recognize that a short circuit is occurring through the light emitting light 530 that emits an electric shock. It is possible to quickly perform maintenance while avoiding the risk of

7A to 7D are diagrams for explaining the usage state of the underground distribution line tray according to the present invention, which will be described with reference to the following.

First, the tray assembly 200 is installed on the guide rail 100 fixed to the wall 1a of the electric power outlet 1, and then the underground distribution line L is mounted in the wire seating groove 222a of the tray assembly 200. does it

When the underground distribution line L is mounted as described above, the ring 420 of the holding mechanism 400 is hung on the hanger 224 of the tray assembly 200 so that the tray assembly 200 arranged in a cantilever shape does not sag. .

On the other hand, when it is necessary to set the height of the wire mounting unit 220 constituting the tray assembly 200, the retractor 300 may be used, and this will be described in more detail as follows.

First, when the operator operates the retractor 300 using a remote control (not shown), the electric motor 510 is operated by a signal to rotate the drum 320, and is wound by the rotation of the drum 320. The traction line 330 is released.

When the traction line 330 is released to a certain length as described above, the operator hangs the hook 340 on the hanger 224 of the electric wire mounting unit 220, and the ring 420 of the holding mechanism 400 is removed from the hanger 224. separates it

Then, when the retractor 300 is operated using a remote control (not shown), the electric motor 510 is operated by a signal to rotate the drum 320, and the retractor line 330 released by the rotation of the drum 320 ) is wound on the drum 320 and pulls the hanger 224 , and accordingly, the wire holding unit 220 rotates toward the moving unit 210 around the hinge point.

In the process in which the angle of the base 221 constituting the wire mounting unit 220 is gradually changed as described above, it is good for the operator to level the wire holder 222 constituting the wire mounting unit 220, which is This is to prevent the underground distribution line (L) from being separated from the wire seating groove (222a) in advance.

In a state where the angle of the base 221 is set by the above method and the wire holder 222 is leveled, the operator inserts the pin P into the pin coupling hole 221a to The end is fixed to the base 221, and accordingly, the wire holder 222 can stably maintain a horizontal state.

Then, the ring 420 of the holding mechanism 400 is hung on the hanger 224 of the tray assembly 200 so that the tray assembly 200 arranged in a cantilever shape does not sag, and the hook 340 of the retractor 300 is separated from the hanger 224 and then the traction line 330 is wound.

On the other hand, when a current flows to the surroundings due to damage to the covering of the underground distribution line (L) in the installed state as described above, the earth leakage sensor 510 detects an earth leakage and outputs a detection signal to the control unit 520, and the control unit The 520 receives a detection signal from the earth leakage sensor 510 to control the operation of the warning light 530 , and the warning light 530 is operated and controlled by the controller 520 to emit light to the surroundings.

Therefore, the operator can intuitively recognize that a short circuit is occurring through the light emitting light 530, so that the risk of electric shock can be avoided and maintenance can be performed quickly. There is an advantage that the function can be further strengthened.

Although the present invention has been described in detail only with respect to the specific embodiments described, it is natural for those skilled in the art that various changes and modifications can be made within the technical spirit of the present invention, and it is natural that such variations and modifications belong to the appended claims.

1: electric power bulb 1a: wall 100: guide rail
110: rail unit 120: reinforcing bar 200: tray assembly
210: moving unit 211: bogie 211a: bogie body
211b: roller 211c: lathe 212: brake
212a: bolt 212b: friction plate 220: wire mounting unit
221: base 221a: pin coupling hole 222: wire holder
222a: wire mounting groove 223: link bar 224: hanger
300: retractor 310: electric motor 320: drum
330: tow line 340: hook 400: brace
410: brace 420: ring 500: abnormal state detection unit
510: earth leakage sensor 520: control unit 530: warning light

Claims (1)

A rail unit 110 that is spaced apart from each other in parallel along the longitudinal direction of the electric power unit 1 and fixed to the wall 1a, and a reinforcing bar 120 interposed between the rail unit 110 and interconnecting the rail unit 110 ) consisting of a guide rail 100;
The bogie body 211a disposed in front of the rail unit 110 so as to be orthogonal to the rail unit 110, and movably coupled to the rail unit 110 to connect the rail unit 110 and the bogie body 211a to each other. A bogie 211 comprising a connecting roller 211b and a shelf 211c extending from the upper end of the bogie body 211a toward the front;
A bolt 212a that is fastened through the bogie body 211a, is interconnected with the bolt 212a, and is reciprocally moved by the bolt 212a to be in close contact with the wall 1a or spaced apart from the wall 1a to form the bogie 211 ) a moving unit 210 composed of a brake 212 composed of a friction plate 212b for limiting the movement,
A base 221 having one end hinged to the lower end of the bogie body 211a, and having a pin coupling hole 221a formed along the longitudinal direction so that the pin P can be detachably fitted on the side thereof;
It is disposed on the upper part of the other end of the base 221 and is hingedly connected to the base 221, and the upper surface is provided with a wire seating groove 222a recessed in a semicircular shape along the longitudinal direction so that the underground distribution cable L can be seated and mounted. wire holder (222),
One end is hingedly connected to the wire holder 222, and the other end is movably disposed on the base 221 and fixed to the base 221 via a pin (P) so that the wire holder 222 can be maintained horizontally. Link bar 223 to support,
a tray assembly 200 comprising a wire holding unit 220 comprising a hanger 224 installed on the lower surface of the other end of the base 221 in the same direction as the rail 110;
An electric motor 310 installed on the shelf 211c, a drum 320 rotating in a forward and reverse direction by the electric motor 310, a traction line 330 that is wound or unwound by the rotation of the drum 320, and a traction line 330 ) is connected to the hook 340 which is detachably installed on the hanger 224, and rotates the wire mounting unit 220 around the hinge point to adjust the angle of the base 221 retractor 300;
One end is fixed to the shelf 211c and consists of a brace 410 having a different length, and a ring 420 that is fixed to the other end of the brace 410 and is detachably installed on the hanger 224, A holding mechanism 400 that prevents the sagging of the base 221 through the 410 and allows the set angle to be maintained;
An earth leakage sensor 510 installed on the bogie body 211a to detect an earth leakage; An underground distribution line tray having an underground distribution state inspection function, comprising a;

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