KR101920203B1 - Insulation pipe for protect of underground electroic line - Google Patents

Abstract

The present invention relates to an insulating pipe for protecting underground distribution lines, comprising: a connection pipe body (100) which is interposed between underground pipe bodies (P) and interconnected; a mounting stand (200) which is installed inside the connection pipe body (100); a connector (300) which is installed on an upper surface of the mounting stand (200) to be able to move; a distribution line connection unit (400) which is installed on the connector (300) to be detached and electrically interconnects and fixes distribution lines (L); protective plates (500) which are arranged on the connection pipe body (100) and the underground pipe bodies (P); a sealing plate (600) which is installed on the connection pipe body (100) and seals infiltration water not to be introduced into the connection pipe body (100); a cover (700) which is installed on the sealing plate (600) and is fixed to the connection pipe body (100) via a fastening means; first and second sensors (800, 800′) each of which is installed on the mounting stand (200) to sense the connector (300); a transmitter (900) which is operated by the first sensor (800) or the second sensor (800′) and transmits an emergency signal; and a power supply unit (1000) which is installed on a lower surface of the base (220) and supplies power to the first and second sensors (800, 800′) and the transmitter (900). The present invention has an advantage of preventing disconnection of a distribution line connecting part by excessive tension through the first and second sensors and the transmitter.

Description

Insulation pipe for protection of underground electric line

The present invention relates to an insulation connection for protecting a ground distribution line, and more particularly, to an arrangement for protecting an underground distribution line from excessive movement of the distribution line protected by the underground pipe, The present invention relates to an interconnection protection for underground distribution lines that can be interconnected.

Generally, in order to supply electric power to a residential area or an industrial complex, a pipe is buried in the ground and the electric wire is laid in the inside thereof. This minimizes the exposure to the underground wire, thereby preventing the breakage of the underground wire from external interference This is why they are buried in the earth.

On the other hand, electric wires and the like are usually accommodated in a tube buried in the ground and are electrically interconnected through a connector or the like.

However, when the tensile force is applied to the connected wires, the wires move in the direction of the tensile force. At some moment, the tensile force is not able to be overcome and the connected portions are often disconnected from each other.

1. Korean Registered Patent No. 10-1082905 (2011.11.07)

The present invention aims at providing an insulation connection for protecting underground distribution lines that can easily detect excessive movement of a distribution line protected by a subway tube to prevent disconnection of the distribution line connection part and to easily connect the distribution lines electrically and easily. .

According to an aspect of the present invention,

A connecting tube which is interposed between the ground tube bodies buried in the ground and connected to each other to communicate with each other, has an entrance for communicating with the inside of the circumferential surface, a step protruding from the inner surface formed with an entrance, ;

A base vertically protruding from the inner circumferential surface of the connection tube toward the entrance; a base integrally formed on the upper end of the support and having a rail groove formed along the longitudinal direction of the connection tube on the upper surface; Constructed seat;

A seat plate disposed on an upper surface of the base and movably coupled via a rail corresponding to the rail groove; a side plate vertically extending from both side ends of the seating plate with coupling protrusions; A connector comprising an elongated front plate and a back plate vertically extending from a rear end of the seating plate;

A power line inserting portion formed on both side surfaces of the body portion so as to allow the power line to be inserted and removed, a power line inserting portion formed on both side surfaces of the body portion and fitted in correspondence with each other, A first stopper integrally formed on the front surface of the body portion and projecting forward, a housing made of an insulating material and integrally formed on the front surface of the body portion and having a pin groove formed therein forwardly,

A wire insertion portion integrally formed to be inserted into the inside of the body portion and rotatably fixed to the shaft portion via a bearing, the wire insertion portion being inserted into the distribution wire insertion portion in such a manner as to be exposed to the circumferential surface, A conductive body integrally formed on the circumferential surface and integrally formed with the receiving groove so as to receive the metal wire to be wound, a handle integrally formed on the front surface of the conductive body and protruding forwardly, A second stopper protruding from the first stopper, the second stopper protruding from the first stopper, the second stopper being integrally formed with the first stopper,

A fixing pin inserted / removed into a pin groove of the housing and the connector so as to prevent the connector from rotating around the housing,

And a lower surface of the lower plate is covered by the side plate, the front plate and the rear plate, and the upper plate and the lower plate are coupled to each other through the coupling protrusions and the coupling grooves, A power line connecting unit fixed to the connector by a bolt passing through the thick plate;

A support portion that is placed on the step portion so as to face each other with respect to the support, an extension portion that extends upward from one end of the support portion, and an upper portion that extends from the upper end of the extension portion in the longitudinal direction of the connection pipe body, A pair of protection plates formed of arc-shaped protective portions;

A sealing plate of a rubber material which is placed on the base and seals the doorway;

A cover which is placed on the sealing plate and detachably attached to the connecting tube via a bolt to press the sealing plate and the receiving portion;

A first and a second sensing sensors respectively installed on the side members to sense the connectors;

A transmitter installed on a lower surface of the base and operated by a first sensor or a second sensor to transmit an emergency signal;

And a power supply unit provided on a lower surface of the base for supplying power to the first and second detection sensors and the transmitter.

The present invention has an advantage in that disconnection of a power line connecting portion due to excessive tensile force can be prevented through the first and second sensing sensors and the transmitter.

It also has the advantage of being able to prevent an underground tube, which consists of a connection tube and a seat, a connector, a power distribution line connection unit, a protection plate, a sealing plate and a cover, and in which an underground cable is housed is damaged by an external force have.

In addition, when the power line is inserted into the wire connector and then rotated, the power line is wound and electrically connected to each other, so that the connecting operation is very convenient.

In addition, since the enclosure is closed by using the finishing material, infiltration of infiltration water from the outside can be blocked, and an accident such as electric short-circuit can be prevented.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a state in which an underground distribution line protection insulation connection is provided according to the present invention; FIG.
FIG. 2 is a perspective view showing a combined perspective view of an underground distribution line protection incandescent lamp according to the present invention. FIG.
3 is an exploded perspective view of an underground distribution line protection incandescent according to the present invention.
4 is a plan view of an insulation connection for protecting an underground distribution line according to the present invention;
FIG. 5 is an exploded perspective view of a seat cushion, a connector, and a power distribution line connection unit extracted separately according to an embodiment of the present invention.
FIGS. 6A to 6D are a combined perspective view, an exploded perspective view, a front view, and a side sectional view, respectively, of a distribution line connection unit in an insulation connection for protecting underground distribution lines according to the present invention.
7A to 7D are diagrams illustrating an installation process of an underground distribution line protection incandescent according to the present invention.
FIG. 8 is a view for explaining the operation of the insulation connection for protecting underground distribution lines according to the present invention. FIG.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a ground connection line protection insulation connection according to the present invention, FIG. 2 is an assembled perspective view illustrating a ground connection line protection insulation connection according to the present invention, FIG. 5 is an exploded perspective view of a ground connection line protecting insulation according to the present invention, which is an excerpt of a seated stand, a connector, and a power line connecting unit taken separately; and FIG. 5 is an exploded perspective view of the ground connection line protecting connection according to the present invention. And FIGS. 6A to 6D are a combined perspective view, an exploded perspective view, a front view, and a side sectional view, respectively, of a power distribution line connection unit in an insulation connection for protecting underground distribution lines according to the present invention.

1 to 6D, the underground distribution line protection incandescent according to the present invention includes a connection tube 100, a seat 200, a connector 300, a distribution line connection unit 400, a protection plate 500, The first and second sensing sensors 800 and 800 ', the transmitter 900 and the power supply unit 1000 according to the first embodiment of the present invention. Can be prevented.

In addition, it is possible to prevent the underground pipe P in which the distribution line L is housed incidentally from being damaged by an external force.

1 to 4, the connection tube 100 is a hollow metal member having a circular cross section.

A circular plunge 130 is integrally formed at both ends of the connection tube 100.

In addition, an entrance 110 communicating with the inside is provided on a circumferential surface of the connection tube 100.

In addition, a step portion 120 protruding inward is provided on the inner surface formed with the entrance 110.

A rubber layer 140 for insulation is formed on the inner circumferential surface of the connection tube 100.

For example, the connection pipe 100 is interposed between the underground pipes P buried in the ground, so that the plunge 130 of the connection pipe 100 and the plunger P 'of the underground pipe P abut against each other (Bolts and nuts), and the distribution line L is received and protected inside.

Although not shown in detail, it is preferable to provide a sealing material (not shown) between the plunger 130 and P 'to prevent the inflow of infiltration water from the outside.

1, 3, and 5, the seat 200 includes a strut 210, a base 220, and a side member 230, and is made of metal.

The support 210 protrudes vertically from the inner circumferential surface of the connection tube 100 toward the entrance 110. For example, the lower end of the support 210 may be brought into contact with the inner circumferential surface of the connection tube 100, Or a hole may be formed in the connection tube 100 and the lower end of the strut 210 may be fixedly inserted into the hole by fixing the lower end of the strut 210 to the connection tube 100, They may be screwed together.

The base 220 is a plate having a predetermined width and thickness, and is integrally formed on the upper surface of the support 210.

In addition, a rail groove 221 is formed integrally on the upper surface of the base 220 along the longitudinal direction of the connection tube 100, so as to open upward.

The rail 311 of the connector 300, which will be described later, is movably coupled to the rail groove 221.

The side member 230 prevents the connector 300, which is vertically protruded from both ends of the base 220 and is slidably moved along the rail groove 221, while preventing the first and second detection sensors 800 and 800 ' Respectively.

1, 2 and 5, the connector 300 serves to interconnect the seat 200 and the power line connection unit 400 while detachably fixing the power line connection unit 400 , And is made of an insulating material.

The connector 300 includes a seating plate 310 forming a floor, a side plate 320 extending vertically from both ends of the seating plate 310, and a front plate 330 extending vertically from the front end of the seating plate 310 And a thick plate 340 extending vertically from the rear end of the seating plate 310.

A rail 311 movably coupled to the rail groove 221 of the seat 200 is integrally formed on the lower surface of the seat plate 310.

A hole is formed in the thick plate 340 to allow the bolt Bt to pass therethrough.

Referring to FIGS. 1, 3, 5 and 6A to 6D, the power distribution line connection unit 400 includes a housing 410, a connector 420, a fixing pin 430, and a finishing material 440.

The power distribution line connection unit 400 is detachably fixed to the connector 300 and functions to electrically connect and fix the power distribution line L that is drawn inward.

It is preferable that the housing 410 is made of an insulating material which does not communicate with the exterior 440 together with the finishing material 440.

The housing 410 is composed of a body part 411, a shaft part 412, a distribution line insertion part 413, an engagement groove 414, a first stopper 415 and a pin groove 416.

The body portion 411 has a rectangular parallelepiped shape, and a frame having a predetermined thickness is integrally formed on the front surface, and the finishing material 440 is press-fitted to the frame.

The body portion 411 is integrally formed with a receiving portion 411a having a front opening so that the connector 420 can be inserted through the front and rotatably received.

The shaft portion 412 is a cylindrical protrusion integrally formed inside the body portion 411, and more specifically, protrudes forward from the rear inner surface, as shown in FIG. 6B.

The distribution line inserting portions 413 are formed on both side surfaces of the body portion 411 and are fitted with a distribution line L composed of a metal line L1 and a cover L2.

Particularly, the distribution line inserting portions 413 are formed so as to be stepped with different internal diameters (see Figs. 6B and 7B), thereby limiting the insertion length of the distribution line L. [

7B, the power line inserting portions 413 are arranged to be shifted from each other, and the power line inserting portions 413 arranged so as to be shifted as described above are mutually communicated with the wire inserting portions 421a of the connector 420, do.

The coupling grooves 414 are formed on both sides of the body portion 411 and the coupling protrusions 321 of the connector 300 are detachably coupled to the coupling grooves 414.

The detachment of the power distribution unit 400 from the connector 300 is primarily prevented by the mutual engagement of the coupling protrusion 321 and the coupling groove 414 and the connector 300 is fixed by the bolt Bt, And the power line connecting unit 400 are perfectly integrated.

The first stopper 415 protrudes forward from the front surface of the body portion 411, as shown in FIG. 6B.

The second stopper 422b of the connector 420 is disposed on the left side with respect to the first stopper 415 and is in a setting state in which the electric power distribution line L can be inserted when the second stopper 422b is in contact with the connector 420, The second stopper 422b is disposed on the right side of the first stopper 415 so as to face the first stopper 415 so as to limit the rotation of the connection port 420 to restrict excessive winding of the power distribution line L Align the pin grooves 416 and 422 so that the fixing pin 430 can be inserted.

The pin groove 416 is integrally formed on the front surface of the body part 411, and a 'C' shaped fixing pin 430 is removably fitted.

The connector 420 is formed as a unitary member of a different material and functions to electrically connect and fix the power distribution line L. The connector 420 includes a conductor 421 having good electrical conductivity, And an insulator 422 (nonconductive) that does not pass through the circuit.

6D, the conductor 421 and the insulator 422 are formed by inserting the protrusion b formed in the insulator 422 in the groove portion a formed in the conductor 421 so as to be thermally fused, And is manufactured in a one-piece structure by means of the means.

The conductor 421 has a cylindrical shape as a whole and is inserted into the receiving portion 411a of the housing 410 and rotatably installed on the shaft portion 412 via the bearing B. [ The conductor 421 integrally includes an electric wire inserting portion 421a which is inserted into the electric wire inserting portion 413 of the housing 410 and is in parallel with the electric wire inserting portion 421a. The conductor 421 is formed along the circumferential surface and integrally includes a receiving groove 421b for receiving the metal wire L1 (see FIG. 7A).

The insulator 422 is integrally fixed to the front surface of the conductor 421. A handle 422a is integrally formed on the front surface of the insulator 422 so as to protrude forward and allow the operator to rotate the entire connection port 420 around the shaft portion 412. [ A second stopper 422b protruding forward and laterally from the front surface of the insulator 422 and restricted by the first stopper 415 is integrally formed. A pin groove 422c is integrally formed on the front surface of the insulator 422 so that the fixing pin 430 can be inserted and removed.

The fixing pin 430 has a generally U-shaped configuration and is removably fitted to the housing 410 and the pin grooves 416 and 422c of the connecting hole 420 so that the connecting hole 420 is rotated about the housing 410 .

That is, the first stopper 415 restricts the rotation of the second stopper 422b and restricts excessive winding of the power distribution line L by the connector 420, and the fixing pin 430 has a pin groove 416, 422 c to restrict the rotation of the connector 420 so as to prevent unwinding of the distribution line L wound on the connector 420. [

The finishing material 440 is detachably installed in the front of the housing 410 to seal the inside of the housing 410.

According to the present embodiment, as the interior of the housing 410 is closed by the finishing material 440, foreign matter such as infiltration water can be intrinsically blocked, thereby preventing accidents such as electric shorts.

1 to 3, the pair of protection plates 500 are disposed on the connection pipe 100 and the upper portion of the underground pipe P so that the underground pipe P in which the power distribution line L is accommodated, : Buckets of fork-lifts).

The protection plate 500 is composed of a receiving portion 510, an extending portion 520, and a protecting portion 530, and is made of a metal material.

1, the support portion 510 is mounted on the upper surface of the step portion 120 and is pressed and fixed by the cover 700 described later, and the extension portion 520 is fixed to the support portion And the protector 530 extends from the upper end of the extension part 520 in the longitudinal direction of the underground pipe body P and is disposed above the connection tube body 100 and the underground pipe body P do.

Particularly, the protector 530 is formed as an upward convex arc so that when the external force is applied to the bucket of the forklift, the underground pipe P can be protected by allowing it to slide on the curved surface.

Referring to FIGS. 1 and 3, the sealing plate 600 is an elastic rubber pad. In this embodiment, the sealing plate 600 is placed on the extension 510 of the protection plate 500, (Seal) the inflow water or the like from the inflow port 110 through the inflow port 110.

The sealing plate 600 is resilient and is pressed and spread when pressed by the lid 700, whereby the airtightness is enhanced as the door 110 is further sealed.

1 to 3, the lid 700 is a curved plate made of a metal material. In the present embodiment, the lid 700 is inserted into the entrance 110 and connected to the connection tube 100 via the bolt Bt. And serves to press and fix the sealing plate 600 and the receiving portion 510.

Referring to FIGS. 1, 5 and 8, the first and second detection sensors 800 and 800 'are installed as a switch on the side member 230 of the seat 200, And outputs a signal.

The transmitter 900 is installed on the lower surface of the base 220 and receives and transmits a signal from the first sensor 800 or the second sensor 800 '.

The power supply unit 1000 is a kind of battery and is installed on the lower surface of the base 220 to supply power to the first and second detection sensors 800 and 800 'and the transmitter 900.

For example, when the connector 300 is moved along the seating table 200 to press the first sensing sensor 800, the power of the power supply 1000 is transmitted to the transmitter 900, The detection sensor 800 acts as a switch, and the transmitter 900 immediately sends an emergency signal.

The emergency signal is transmitted to a situation room in which the manager resides. Managers who have received the emergency signal quickly dispatch to the scene and settle the situation, thereby preventing the problem of disconnection of the power distribution line L. [

The installation process of the present invention having the above configuration will be described.

FIGS. 7A to 7D are views for explaining an installation procedure for protecting underground distribution lines according to the present invention, and FIG. 8 is a view for explaining the operation of insulation connection for protecting underground distribution lines according to the present invention.

7A, the connector 420 is rotated clockwise about the shaft portion 412 of the housing 410 so that the second stopper 422b is brought into contact with the left side of the first stopper 415 .

7B, the power distribution line insertion portion 413 of the housing 410 and the wire insertion portion 421a of the connection port 420 are formed to communicate with each other. At this time, L are inserted into the wire insertion portions 421a through the respective power distribution line insertion portions 413 and are electrically connected to each other via the conductors 421 of the connection ports 420. [

7C, the handle 422a of the connector 420 is held while the metal wire L1 of the power distribution line L is sandwiched between the conductor 421 and the second stopper 415 on the right side of the first stopper 415, The metal wire L1 is received in the receiving groove 421b of the conductor 421 while being wound around the metal wire L1 and the metal wire L1 is wound around the metal wire L1, And is naturally drawn into the distribution line inserting portion 413, and is caught by the step.

When the electrical connection of the power distribution line L by the connector 420 is completed as described above, the fixing pin 430 is inserted into the pin groove 416 and 422c of the housing body 410 and the connector 420 so that the power distribution line L is not released, So that the connector 420 is not rotated about the shaft portion 412 of the housing 410.

The finish material 440 is then placed in front of the housing 410 to seal it.

7D, when the power line connecting unit 400 is press-fitted into the connector 300, the coupling projections 321 and the coupling grooves 414 are engaged with each other by the coupling projections 321 and the coupling grooves 414, And then the bolts Bt are fastened to the thick plate 340 so that the connector 300 and the power line connecting unit 400 are fixed by the bolts Bt.

When the power supply line connection unit 400 is fixed to the connector 300 as described above, the support portion 510 of the protection plate 500 is placed on the step portion 120 and the protection portion 530 is fixed to the connection tube 100, And then the sealing plate 600 is inserted into the entrance 110 and placed on the receiving unit 510. Finally, the lid 700 is inserted into the entrance 110 of the underground pipe P, Then, it is combined with the connection pipe body 100 through the bolt Bt, and finally the soil is covered and finished.

On the other hand, when the distribution line L is to be replaced, it may be performed in the reverse order of the above method.

8, when the power distribution line L is pulled in the state as described above, the power distribution line connection unit 400 moves in a direction in which the power distribution line L is pulled, and the power distribution line connection unit 400 The connector 300 connected to the power distribution line connection unit 400 moves along the upper surface of the seating table 200.

At this time, when the connector 300 presses the first sensing sensor 800, the first sensing sensor 800 electrically connects the power supply unit 1000 and the transmitter 900, 900) will send an emergency signal immediately, and the manager will immediately go to the scene in the situation room where the emergency signal is received, so that the situation can be quickly resolved.

This makes it possible to prevent disconnection at the connecting portion of the power distribution line L, which is very useful.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.

100: connection tube 110: entrance 120:
130: plunge 140: rubber layer 200: pedestal
210: support 220: base 221: rail groove
230: side member 300: connector 310: seating plate
320: side plate 321: engaging projection 330: front plate
340: Plate plate 400: Distribution line connection unit 410: Enclosure
420: Connector 430: Fixing pin 440: Finishing material
500: protection plate 510: receiving portion 520: extension portion
530: Protection part 600: Sealing plate 700: Cover
800,800 ': first and second detection sensors 900: transmitter 1000: power supply unit
P: Underground pipe P ': Plunge Bt: Bolt
B: Bearing

Claims (1)

(110) for communicating with the interior of the ground, and a step portion (120) projecting from an inner surface formed with the entrance (110) A connection tube 100 having an inner circumferential surface formed with a rubber layer 140 of an insulating material;
A support 210 integrally formed on the upper end of the support 210 and extending in the longitudinal direction of the connection tube 100 along the longitudinal direction of the connection tube 100, And a side member (230) vertically protruded from both ends of the base (220);
A seating plate 310 disposed on the upper surface of the base 220 and movably coupled via a rail 311 corresponding to the rail groove 221 and a mounting plate 310 having a coupling protrusion 321, A front plate 330 extending vertically from the front end of the seating plate 310 and a thick plate 340 extending vertically from the rear end of the seating plate 310. The side plate 320 extends vertically from both ends, (300);
A shaft portion 412 integrally formed on a rear inner surface of the body portion 411 and a shaft portion 412 integrally formed on both sides of the body portion 411 so that the distribution line L is inserted A connection groove 414 formed on both side surfaces of the body portion 411 and corresponding to the coupling protrusion 321 and a connection groove 414 integrally formed on the front surface of the body portion 411 and projecting forward An enclosure 410 made of an insulating material and formed integrally with the first stopper 415 and the body part 411 and formed with pin grooves 416 formed inside thereof,
And is inserted into the body portion 411 and is rotatably fixed to the shaft portion 412 via the bearing B so as to be exposed to the circumferential surface so as to be exposed in parallel to each other and to communicate with the power distribution line insertion portion 413, L is formed integrally with the wire insertion portion 421a into which the metal wire L1 is inserted so as to be removable and the receiving groove 421b is integrally formed with the circumferential surface so that the metal wire L1 to be wound is received A handle 422a protruding forward is integrally formed on the front surface of the conductor 421 and the conductor 421. The front end of the handle 422a protrudes outward and is rotated by the first stopper 415 The second stopper 422b is formed integrally with the second stopper 422b and the front surface of the second stopper 422b is connected to the front end of the second stopper 422b.
A fixing pin 430 inserted into the pin groove 415 and 422c of the housing 410 and the connector 420 to prevent the connector 420 from rotating about the housing 410,
And a finishing material 440 which is detachably installed in front of the housing 410 to seal the inside of the housing 410. The housing 300 is disposed on the seating plate 310 of the connector 300, And the lower plate 340 is coupled to the connector 300 by a bolt Bt passing through the plate 340. The lower plate 340 is coupled to the lower plate 340 through the coupling protrusion 321 and the coupling groove 414, A fixed distribution line connection unit 400;
A support portion 510 which is placed on the step portion 120 so as to face each other with respect to the support 210, an extension portion 520 which extends upward from one end of the support portion 510, A pair of protection plates 500 extending from the upper end of the connection pipe 100 in the longitudinal direction of the connection pipe 100 and an arc-shaped protection portion 530 disposed on the upper portion of the underground pipe P;
A sealing plate 600 made of a rubber material which is placed on the base 510 and seals the opening 110;
A lid 700 which is placed on the sealing plate 600 and detachably attached to the connection tube 100 via bolts Bt to press the sealing plate 600 and the receiving unit 510;
First and second detection sensors (800, 800 ') installed on the side member (230) to sense the connector (300);
A transmitter 900 installed on a lower surface of the base 220 and operated by a first sensing sensor 800 or a second sensing sensor 800 'to transmit an emergency signal;
And a power supply unit 1000 installed on a lower surface of the base 220 to supply power to the first and second detection sensors 800 and 800 'and the transmitter 900.

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