KR101485148B1 - Connector for transmitting incoming line of special high voltage substation facilities - Google Patents

Connector for transmitting incoming line of special high voltage substation facilities Download PDF

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Publication number
KR101485148B1
KR101485148B1 KR1020140140806A KR20140140806A KR101485148B1 KR 101485148 B1 KR101485148 B1 KR 101485148B1 KR 1020140140806 A KR1020140140806 A KR 1020140140806A KR 20140140806 A KR20140140806 A KR 20140140806A KR 101485148 B1 KR101485148 B1 KR 101485148B1
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KR
South Korea
Prior art keywords
opening
lead
lead wire
closing plate
protruding
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KR1020140140806A
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Korean (ko)
Inventor
정정심
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(주)서전종합전기
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00—Insulators or insulating bodies characterised by their form
    • H01B17/02—Suspension insulators; Strain insulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
    • H01R4/44—Clamping areas on both sides of screw

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to a lead-in cable connector of an extra high voltage transformation facility. The purpose of the present invention is to provide the lead-in cable connector of the extra high voltage transformation facility capable of quickly and simply connecting and separating a lead-in cable and preventing an electric leakage, a short circuit, a spark, and an electric shock accident by stably maintaining the electrical contact of the lead-in cable to input an extra high voltage to a transformer of the extra high voltage transformation facility. The lead-in connector of the extra high voltage transformation facility according to an embodiment of the present invention includes: a connector body which is made of conductive materials, a bottom contact terminal which is made of the conductive materials, contact terminals of both sides which are made of the conductive materials, an opening and closing plate which opens and closes the upper side of the lead-in cable receiving groove, a lead-in cable pushing rod, and an opening and closing unit.

Description

[0001] The present invention relates to a connector for a high voltage substation,

The present invention relates to a lead-in connector of a high-voltage power substation of a substation technology, and more particularly, to a transformer of a high-voltage substation, wherein an electrical contact of a lead- And more particularly, to a lead wire connector for a high-voltage power transmission facility capable of preventing the occurrence of an electric shock and the like, as well as making the wiring operation and the separation operation of the lead wire quick and simple.

Electricity generated at a voltage of about 20,000V at a power plant including a thermal power plant, a hydroelectric power plant, and a nuclear power plant is boosted to ultra-high voltage (154kV or 346kV) suitable for transmission, and the boosted electricity is transmitted to the primary substation through an ultra high voltage line .

At the primary substation, the ultra-high-voltage electricity that has been transmitted is lowered to the special high voltage of 22.9 kV, and the electricity is transmitted or distributed to the customers including factories along the secondary substations or distribution lines near the large-capacity customers.

Electricity transmitted from the primary substation or secondary substation is transmitted or distributed to the receiving facilities of each customer through the transmission and distribution system consisting of the processing distribution line and the underground distribution line and is supplied to the special high pressure consumer, .

The incoming or outgoing connector of the transformer connected to the extra high voltage line (cable) installed in the transformer for remote transmission and distribution has no danger of short circuit and sparking, and the connecting and disconnecting of the line is easy and the electrical connection should be stably maintained.

As a prior art related thereto, "a bushing mounted on the high-pressure side and the low-pressure side of a pillar transformer" is disclosed in Korean Patent Registration No. 10-388853 (Jun.

As shown in Fig. 10, the lead wire connector of the conventional high-voltage line for transmission and distribution has a center of an insulated bushing (or insulator) 2 fixed to a part of the transformer 1 and connecting the outside and the inside in an insulated state, The center hole 3 is formed through the through hole. One end of the transformer is electrically connected to the inside of the transformer 1 and the other end of the transformer is connected to the center hole 3 through a transformer drawing line or a lead wire connector 5 of a special high voltage dedicated line for remote transmission and distribution do.

A transformer for converting the level of the input voltage and the output voltage is installed in the transformer 1 and is mechanically and electrically connected to one end of the output cable 4 at each end of the conductor wound on the transformer.

Since an extraordinary high voltage of 22.9 kV flows in the transformer (1), electric insulating oil is insulated so that leakage current is not generated.

Since the electric insulating oil is a liquid, it may leak to the outside of the transformer 1 through the center hole 3 of the bushing 2 and may be leaked to the transformer inlet line connector 5 of the special high- (6) is provided between the main body (2) and the leakage of electric insulating oil.

The transformer lead-in connector (5) of the special high-voltage dedicated line for remote transmission and distribution has a groove formed in the center portion for smooth and accurate contact with the lead-in wire (L).

The transformer pull-in connector 5 of the conventional high-voltage transmission line for transmission and distribution can fix the pull-in line L through the groove formed at the center thereof and make electrical contact with it to draw or draw extra high voltage from the transformer 1. [

However, in the lead wire connector 5 of the conventional high-voltage line for transmission and distribution according to the related art, it is difficult to insert the lead wire L into the groove formed in the center and it takes a long time.

On the other hand, the conventional art has a problem that short-circuit, short-circuit, spark, and electric shock occur because the connection state with the lead line L becomes poor over time.

Also, in the related art, detachment of the lead wire connector 5 and the lead wire L is difficult and inconvenient and takes a long time, which makes maintenance difficult.

Therefore, there is a need to develop a lead-in connector for a high voltage substation facility that is easy to attach and detach between the lead-in wire and the lead-in connector of the transformer, maintains maintenance easily, and maintains the contact state stably so that short circuit, short circuit, spark and electric shock do not occur .

As a prior art in accordance with this demand, "lead wire connector for high-voltage line for transmission and distribution" is disclosed in Korean Patent Registration No. 10-1161850 (June 26, 2012 registration).

The above-mentioned "lead wire connector for high-voltage transmission line for transmission and distribution" has a relatively simple structure for connecting and separating a line for inputting an extraordinary pressure to a transformer for transforming the electric power for remote transmission and distribution, The present invention relates to a lead wire connector for a special high-voltage line for transmission and distribution which prevents occurrence of sparks and electric shock accidents. The lower side of the center conductor is connected to the upper side, It is the connection part which separates the high-voltage line and the upper part of the connection part and is electrically connected with the core wire of the special high-tension line installed by screwing of the screw and the special high-tension line is prevented from separating by the external force from the connection part. It is easy to connect and disconnect the extra high voltage line and lead wire connector, including the part, This is a reliable and easy maintenance so that the effect is maintained in the long term without a short-circuit, short circuit, sparks and electric shock accident occurred.

However, in the lead wire connector of the above-mentioned prior art high-voltage line for transmission and distribution, a plurality of end portions (at least four, depending on the size of the wire portion and the end portion) It is troublesome to wire the lead wire to the connector and the operation time is delayed.

Accordingly, there is a need to develop a lead wire connector of a high-voltage power supply facility that can quickly and easily carry out wiring or separation of a lead wire to a connector.

Korean Patent Registration No. 10-0388853 (registered on Jun. 12, 2003) "Bushing mounted on the high-voltage side and the low-voltage side of the pillar transformer" Korea Registered Patent No. 10-1161850 (June 26, 2012 registration) "Lead wire connector of high-voltage line for transmission and distribution"

Accordingly, it is an object of the present invention to provide a transformer of an extra-high voltage substation, which can stably maintain the electrical contact of a lead line for inputting an extraordinary pressure to prevent a short circuit, short circuit, spark, electric shock, And to provide a lead-in connector for a high-voltage power substation that can be quickly and easily separated.

According to an aspect of the present invention, there is provided a connector comprising: a conductive connector body having protruding walls integrally formed on both sides of a top surface thereof and a lead-receiving groove formed between the protruding walls to receive a lead-in wire; A lower contact terminal protruding from a bottom surface of the lead-in line receiving groove and electrically connected to a lower surface of an outer circumferential surface of a lead line received in the lead line receiving groove; Side contact terminals protruding from the inner wall surface of the protruding wall and electrically contacting both side surfaces of the outer circumferential surface of the lead-in line received in the lead-in line receiving grooves; An opening / closing plate of an electrically insulated structure for opening / closing an upper surface of the lead-in line receiving groove; An inlet wire push rod protruding from a lower surface of the opening / closing plate and pressing an upper surface of an outer circumferential surface of a lead wire accommodated in the lead wire receiving groove; And opening / closing means for opening / closing the opening / closing plate,

Wherein the lower contact terminal comprises a screw thread portion on the lower half and a contact protrusion portion formed on the upper half portion with a diameter smaller than that of the screw thread portion and formed with a sharp tip, On both sides of the upper end of the threaded portion, a turning tool groove is formed,

A protruding wall horizontally penetrating therethrough, an inner wall surface side end inner circumferential surface having a locking protrusion, and an outer wall surface side inner circumferential surface having an internally threaded portion,

Wherein the both side contact terminals are composed of a retaining piece inserted into the engaging hole so as to be caught in the retaining jaw and a contact protruding portion having a diameter smaller than that of the retaining piece and having an inner end formed in a pointed shape,

And a screw plug inserted into the coupling groove and hooked at an inner end of the engagement piece at an outer end thereof and a threaded plug fastened to the female threaded portion at an outer end of the spring at an inner end of the engagement protrusion, Wherein the threaded plug is provided with elasticity to protrude and retract from the inner wall surface,

And an engaging hole having an internal thread on an inner circumferential surface of the upper surface side is formed on the lower surface side inner peripheral surface,

Wherein the pull line pushing bar has a threaded portion on an upper half portion which is threadedly engaged with the female threaded portion of the coupling hole and a pressing piece integrally formed with a lower diameter portion of the lower end portion of the threaded rod portion smaller than the threaded rod portion, And an engaging jaw which is engaged with the engaging jaw between the upper ends, wherein a turning tool groove is formed on an upper end surface of the screw rod,

The opening / closing means includes a base frame installed at a lower portion of one side of the connector body; An opening / closing plate support vertically installed on the upper surface of the base frame and having an upper end reaching one side of the opening / closing plate; A rotary arm extending from one side of the opening / closing plate and having a base end rotatably supported by a hinge pin at an upper end of the opening / closing plate support vertically; A driving motor mounted on an upper surface of the base frame and having a motor shaft having an internal thread on an inner peripheral surface thereof; An elevating screw having a male threaded portion screwed to a female threaded portion of the motor shaft; A pair of connection guides formed on both sides of the free end of the rotary arm and elongated in the left and right direction and fixed to the free end of the rotary arm to form a guide slot inserted and guided in forward and backward directions, A rotatable arm connector having a connecting piece integrally formed on a lower surface of the pair of connecting guides; And a connecting rod connecting an upper end of the lifting screw and a lower end of the rotary arm connecting hole.

The lead wire connector of the extra-high voltage power supply equipment according to the present invention comprises a conductive connector body having a projecting wall integrally formed on both sides of the upper surface thereof and a lead-receiving groove formed between the projecting walls to receive lead wires; A lower contact terminal of a conductive material protruding from a bottom surface of the lead-in line receiving groove and electrically contacting the lower surface of the outer circumferential surface of the lead line received in the lead-in line receiving groove; Side contact terminals protruding from the inner wall surface of the protruding wall and electrically contacting both side surfaces of the outer circumferential surface of the lead-in line received in the lead-in line receiving groove; An opening / closing plate of an electrically insulating structure for opening / closing an upper surface of the lead-in line receiving groove; A lead wire push rod protruding from a bottom surface of the opening / closing plate and pressing an upper surface of an outer circumferential surface of the lead wire accommodated in the lead wire receiving groove; A base frame installed at a lower portion of one side of the connector body; An opening and closing plate support vertically installed on an upper surface of the base frame and having an upper end reaching one side of the opening and closing plate; A rotary arm extending from one side of the opening / closing plate and having a base end rotatably supported by a hinge pin at an upper end of the opening / closing plate support vertically; A driving motor mounted on an upper surface of the base frame and including a motor shaft having an internal thread on an inner peripheral surface thereof; An elevating screw provided with a male screw portion that is screwed to the female threaded portion of the motor shaft; A pair of connection guides formed on both sides of the free end of the rotary carcass and elongated in the left and right direction and fixed to the free end of the rotary carcass to form a guide slot inserted and guided in the front and rear direction, A rotatable arm connector of an electrically insulating material having a connecting piece integrally formed on the lower surface of the guide; Closing means including a connecting rod connecting the upper end of the lifting screw and the lower end of the rotary arm connecting port to open and close the opening and closing plate and to mechanically and electrically contact the lead-in wire with the connector, It is possible to prevent the occurrence of a short circuit, a short circuit, a spark, an electric shock accident, etc., as well as to prevent the occurrence of electrical connection of the lead wire, And separation work can be performed quickly and easily.

1 to 9 show a preferred embodiment of a lead-in connector of an extra-high voltage substation according to the present invention,
1 is an exploded perspective view,
Figs. 2 and 3 are perspective views of the open /
4 is a perspective view showing a state in which the open / close plate is closed,
5 is a longitudinal front view,
Fig. 6 is a longitudinal left side view,
7 is an enlarged view of a portion "A" in Fig. 5,
8 is an enlarged view of the portion "B" in Fig. 5,
Fig. 9 is an enlarged view of "C" in Fig. 6,
And,
10 is a longitudinal sectional view showing a conventional lead wire connector.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a lead wire connector of a high-voltage transforming facility according to the present invention will be described in detail with reference to the accompanying drawings.

In the following description, only the through hole through which the bolt or the screw is passed and the screw fastening hole to which the bolt or the screw is fastened are shown in the drawing, but the reference numerals and explanations are omitted.

As shown in FIGS. 1 to 8, the lead wire connector of the extra-high voltage power supply system according to the present embodiment includes a protruding wall 110 integrally formed on both sides of the upper surface thereof and a protrusion wall 110 formed between the protruding wall 110, A connector body 100 of conductive material having a lead-in line receiving groove 120; A lower contact terminal 200 of conductive material protruding from the bottom surface 121 of the lead wire receiving groove 120 and electrically contacting the lower surface of the outer peripheral surface of the lead wire 10 received in the lead wire receiving groove 120; Side contact terminals 300 protruding from the inner wall surface of the protruding wall 110 and electrically contacting both side surfaces of the outer circumferential surface of the lead wire 10 received in the lead wire receiving grooves 120; An opening and closing plate 400 having an electrically insulating structure for opening and closing the upper surface of the lead-in line receiving groove 120; A lead wire push rod 500 of an electrically insulating material protruding from the lower surface of the opening and closing plate 400 and pressing the upper surface of the outer circumferential surface of the lead wire 10 received in the lead wire receiving groove 120; And opening and closing means 600 for opening and closing the opening and closing plate 400.

The connector body 100, the lower contact terminal 200, and the both contact terminals 300 are made of a metal, which is a typical conductive material.

The lower contact terminal 200 and the both contact terminals 300 may be integrally formed on the bottom surface of the lead wire receiving groove 120 and the inner wall surface of the protrusion wall 110. However, To the bottom surface of the lead-in line receiving groove 120 and the protruding wall 110.

The lower contact terminal 200 is formed with a threaded portion 210 of the lower half and a threaded portion 210 having a smaller diameter than the threaded portion 210 on the upper half of the threaded portion. And a contact protruding portion 220 having an upper end formed in a pointed shape. The contact protruding portion 220 can be coupled by screwing the threaded rod portion 210 into the threaded hole 121.

A turning tool groove 211 for fitting a turning tool (not shown) used for fastening or separating the screw thread 210 into the threaded hole 121 is formed on both sides of the upper end of the threaded rod 210.

A coupling hole 111 is formed which horizontally penetrates the protruding wall 110 and has an engagement protrusion 112 on the inner circumferential surface of the end portion on the inner wall surface side end side and a female screw portion 113 on the inner circumferential surface of the outer circumferential surface side end, The both side contact terminals 300 are formed with a latching piece 310 inserted into the coupling hole 111 and hooked on the latching protrusion 112 and having a diameter smaller than that of the latching piece 310, And the contact protruding portion 320. The two contact terminals 300 are inserted into the engaging hole 111 so that the engaging piece 310 is engaged with the engaging protrusion 112, The spring 330 is inserted into the coupling hole 111 and the threaded plug 340 is fastened to the female threaded portion 113 so that the outer end of the spring 330 is engaged with the inner end of the threaded plug 340 The two contact terminals 300 are elastically deformed so as to protrude and retreat from the inner wall surface of the protruding wall 110 It is desirable to install the

A male screw portion 341 corresponding to the female screw portion 113 is formed on the outer circumferential surface of the screw plug 340 and a turning tool groove 342 for fitting a turning tool such as a screw driver is formed on the outer end surface.

The opening and closing plate 400 may be formed of an electrically insulating material such as EPDM rubber or may be made of an electrically insulative material such as EPDM rubber, and the plate may be reinforced by attaching a steel plate to the upper surface of the plate.

The lead wire push rod 500 may be made of an electrically insulating synthetic resin material such as EPDM rubber.

The lead wire pushing rods 500 may be integrally formed on the lower surface of the opening and closing plate 400, but they are separately manufactured for convenience of manufacture and are coupled to the opening and closing plate 400.

A coupling hole 410 is formed through the opening and closing plate 400 so as to pass through the upper and lower sides of the opening and closing plate 400 and has a latching protrusion 411 on the inner surface of the lower surface thereof and a female threaded portion 422 on the inner surface of the upper surface thereof, (500) has an upper half threaded portion (510) screwed to the female threaded portion (412) of the coupling hole (410) and a lower threaded portion And a hooking protrusion 530 which is hooked on the hooking protrusion 411 between the lower end of the screw rod 510 and the upper end of the pushing piece 520, The threaded portion 510 of the locking plate 500 is screwed to the female threaded portion 422 of the opening and closing plate 400 and the latching jaw 530 is caught by the latching jaw 411, 400 in a downward direction.

The upper end of the threaded rod portion 510 is provided with a turning tool groove 511 for fitting a turning tool (not shown) such as a screwdriver used for fastening or separating the threaded rod portion 510 with the female threaded portion 412, .

The opening and closing means 600 includes a base frame 610 installed at a lower portion of one side of the connector body 100; An opening / closing plate support 620 of an electrically insulating material vertically installed on the upper surface of the base frame 610 and having an upper end reaching one side of the opening / closing plate 400; A rotary rocking arm 630 extending from one side of the opening and closing plate 400 and having a base end portion rotatably supported by a hinge pin 631 at an upper end of the opening and closing plate support base 620 in a vertical direction, ; A driving motor 640 mounted on an upper surface of the base frame 610 and having a motor shaft 641 having a female screw 642 formed on an inner circumferential surface thereof; An elevating screw 650 having a male screw portion 651 screwed to the female screw portion 642 of the motor shaft 641; The connection pin 632 is formed on both sides of the free end of the rotary arm 630 and is elongated in the left and right direction and is fixed to the free end of the rotary arm 630 and extends in forward and backward directions. A pair of connecting guides 661 formed with a pair of connecting guides 661 and a connecting piece 663 integrally formed on a lower surface of the pair of connecting guides 661; And a connecting rod 670 connecting the upper end of the lifting screw 650 and the lower end of the rotary arm connecting hole 660.

The frame 610 supports the opening / closing plate support 620 and is mounted with the driving motor 640, and may be formed of a steel plate or a steel frame structure.

The opening / closing plate support 620 may be formed of a season insulating material such as EPDM rubber as in the case of the opening / closing plate 400.

The turning arm 630 may be integrally formed from one side of the opening / closing plate 400 and may be formed of an electrically insulating material such as EPDM rubber like the opening / closing plate 400.

The driving motor 640 may be a conventional motor capable of rotating in the forward and reverse directions and a mounting bolt 644 passing through the motor base 643 extended at the lower end thereof is screwed to the base frame 610, (610).

The driving motor 640 may be operated by operating a switch (not shown) provided in a control box (not shown) mounted on the base frame 610 in an opening driving direction or a closing driving direction.

A connecting piece 652 is integrally formed on the upper end of the lifting screw 650 and a pair of connecting pieces 671 is formed on the lower end of the connecting rod 670 to connect the connecting piece 652 of the lifting screw 650 to the connecting rod The upper end of the elevating screw 650 and the lower end of the connecting rod 670 can be connected by inserting between the pair of connecting pieces 671 of the elevating screw 670 and inserting the connecting pin 672 into the connecting pieces 652 and 671.

A connecting piece 664 is formed on the lower end of the rotary arm connecting hole 660 and a pair of connecting pieces 673 are formed on the upper end of the connecting rod 670 to connect the connecting piece 664 of the rotary arm connecting hole 660 to the connecting rod 670 and the upper end of the connecting rod 670 can be connected to the lower end of the rotary arm connecting port 660 by inserting the connecting pin 674 into the connecting pieces 664, 673 .

The connecting rod 670 may be made of a heat insulating material, and a polymer insulator may be used as shown in the drawing.

Reference numerals 633 and 634 denote pin holes formed in the rotary cam 630 for fitting the hinge pin 631 and the connection pin 632. Reference numerals 653 and 675 denote connection holes 665 and 676 are formed in the lower connecting piece 671 of the connecting rod 670 and the lower connecting piece 671 of the connecting rod 670 so as to fit the connecting pin 672, And is a pin hole for inserting the connection pin 674.

Hereinafter, a process of connecting the lead wire 10 to the connector by the lead wire connector of the extra-high voltage substation apparatus according to the present embodiment will be described.

The lead wire connector of the extraordinary high-voltage power supply equipment according to the present embodiment does not depend on a passive operation such as bolt fastening and the operation of opening and closing the opening and closing plate 400 and the operation of bringing the lead wire 10 into mechanical and electrical contact with the connector And the driving motor 640. Therefore, it is possible to prevent electrical leakage, short-circuit, spark, electric shock, and the like from being stably maintained in the electrical contact of the lead wire, The separation operation can be performed quickly and easily.

4, when the drive motor 640 of the opening / closing means 600 is driven in the open drive direction in a state where the open / close board 400 is closed, the motor shaft 641 rotates in the open drive direction The elevating screw 650 is lowered by the screw action of the female screw portion 642 of the motor shaft 641 and the male screw portion 651 of the elevating screw 650 and the connecting piece The lower connecting piece 671 is connected to the upper connecting piece 673 of the connecting rod 670 by the connecting pin 674 and the lower connecting piece 664 is connected to the upper connecting piece 673 of the connecting rod 670 by the connecting pin 674, The circular arm 630 is lowered and the rotary arm 630 connected to the connection guide 661 of the rotary arm connector 660 by the connection pin 632 is pulled downward, Since the proximal end of the rotary arm 630 and the rotary arm 630 are rotatably connected to the upper end of the opening / closing plate support 620 by the hinge pin 631, To rotate in the opening and closing plate 400 which are formed as open direction opening and closing plate 400 is open to the lead-in wire receiving groove 120 (see Figs. 2 and 3).

The connecting pin 632 connecting the rotary car connecting port 660 and the rotary car 630 is inserted into the guide hole 661 formed in the connecting guide 661 of the rotary car connecting port 660 according to the vertical position of the rotary car connecting port 660 662, respectively.

At this time, the both contact terminals 300, which are resiliently supported by the springs 330, are protruded to a position where the latching pieces 310 are hooked on the latching protrusions 112 of the engagement holes 111.

When the lead wires 10 are inserted into the lead wire receiving grooves 120 from the top in the opened state of the open / close board 400, both side surfaces of the lead wires 10 are connected to the inside of the lead wires 110 by the elastic force of the springs 330 The contact protruding portion 320 of the both side contact terminals 300 protruding from the wall surface into the lead wire receiving groove 120.

The motor shaft 641 rotates in the closing drive direction and the motor shaft 641 rotates in the closing direction when both side surfaces of the outer circumferential surface of the lead wire 10 are driven in the closing drive direction with the contact protruding portion 320 of the both side contact terminal 300 spanning. The elevating screw 650 is raised by the screw action of the female screw portion 642 and the male screw portion 651 of the elevating screw 650 and the lower connecting piece 671 is fastened to the connecting piece 652 at the upper end of the elevating screw 650, The connecting rod 670 connected to the connecting pin 672 is raised and the rotor connecting port 660 connected to the upper connecting piece 673 of the connecting rod 670 by the connecting pin 674 is raised The rotary rocker 630 whose free end is connected to the connection guide 661 of the rotary rocker connector 660 by the connection pin 632 is pushed upward and the base end of the rotary rocker 630 is rotated by the hinge pin 631 The rotary rocking arm 630 and the rotary rocking arm 630 are integrally coupled to each other at the upper end of the open / The opening and closing plate 400 is rotated in the closing direction so that the opening and closing plate 400 closes the inlet receiving groove 120 (see FIG. 4).

The lead wire 10 extending from the contact protruding portion 320 of the contact terminals 300 of both sides is moved downward by the pushing pieces 520 of the lead wire pushing rods 500 protruding from the lower surface of the opening and closing plate 400 The both contact terminals 300 are retracted into the engaging holes 111 while compressing the spring 330 by the contact with the lead wire 10 and finally the outer peripheral surface of the lead wire 10 is inserted The contact terminals 300 are mechanically and electrically contacted to the contact protrusions 220 of the lower contact terminal 200 protruding from the bottom surface of the groove 120 and the contact terminals 300 protruding from the inner wall surface of the protrusion wall 110 (Refer to Figs. 5 to 8). The contact protrusion 320 of Fig.

The upper surface of the outer circumferential surface of the conductor core wire 11 is pressed by the pressing piece 520 of the lead wire pushing bar 500 and the lead wire 10 is pressed by the conductor wire The upper surface of the outer circumferential surface of the insulating sheath 12 is pressed by the pushing pieces 520 of the lead wire pushing rods 500. In the case of the insulating sheath 12 coated with the conductor wire 11 and the conductor wire 11,

When the lead wire 10 is made only of the conductor core wire 11, the lower surface and both side surfaces of the outer circumferential surface of the conductor core wire 11 contact the contact protrusion 220 of the lower contact terminal 200 and the contact protrusions 320 of the both contact terminals 300 (Refer to the solid line in Figs. 5 to 8), and when the lead wire 10 is composed of the conductor sheath 11 and the insulating sheath 12 coated on the conductor core wire 11, The contact protrusions 320 of the inner terminals are torn by the contact protrusions 320 of the contact terminals 300 of the both sides and tearing the insulation sheath 12 while the inner ends thereof are tilted, And the contact protruding portion 220 of the lower contact terminal 200 which is formed in a top sharpening shape penetrates the insulating cover 12 and comes into mechanical and electrical contact with the conductor core wire 11 (See the phantom lines in Figs. 5 to 8).

The contact protruding portion 320 is elastically contacted to the conductive core wire 11 continuously by the elastic force of the spring and the contact between the lead wire 10 and the connector The contact failure does not occur, and the contact is continuously maintained in a good state.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas falling within the scope of the same shall be construed as falling within the scope of the present invention.

10: Lead wire 11: Conductor wire
12: Insulation cloth 100: Connector body
200: lower contact terminal 300: both contact terminals
400: opening / closing plate 500: draw line pushing rod
600: opening / closing means 610: base frame
620: opening / closing plate support 630:
640: drive motor 650: lift screw
660: Cone rock connection 670: Connecting rod

Claims (1)

A conductive connector body 100 having a protruding wall 110 integrally formed on both sides of the upper surface thereof and a lead-receiving groove 120 formed between the protruding wall 110 and receiving a lead-in line; A lower contact terminal 200 of conductive material protruding from the bottom surface 121 of the lead wire receiving groove 120 and electrically contacting the lower surface of the outer peripheral surface of the lead wire 10 received in the lead wire receiving groove 120; Side contact terminals 300 protruding from the inner wall surface of the protruding wall 110 and electrically contacting both side surfaces of the outer circumferential surface of the lead wire 10 received in the lead wire receiving grooves 120; An opening and closing plate 400 having an electrically insulating structure for opening and closing the upper surface of the lead-in line receiving groove 120; A lead wire push rod 500 of an electrically insulating material protruding from the lower surface of the opening and closing plate 400 and pressing the upper surface of the outer circumferential surface of the lead wire 10 received in the lead wire receiving groove 120; And opening and closing means 600 for opening and closing the opening and closing plate 400,
The lower contact terminal 200 is formed with a threaded portion 210 of the lower half and a threaded portion 210 having a smaller diameter than the threaded portion 210 on the upper half portion. And a contact protruding portion 220 having a top end formed in a pointed shape. The protruding tool groove 211 is formed on both sides of the upper end of the screw thread portion 210,
A coupling hole 111 formed horizontally through the protruding wall 110 and provided with a locking protrusion 112 on the inner wall surface side inner peripheral surface and an internal thread 113 on the inner wall surface of the outer wall surface side end,
The both side contact terminals 300 are formed with a latching piece 310 inserted into the coupling hole 111 and engaged with the latching jaws 112 and formed with a smaller diameter than the latching piece 310, And a contact protrusion 320,
A spring 330 inserted into the coupling hole 111 and having an inner end at an outer end of the retaining piece 310 and an outer end of the spring 330 coupled to the inner threaded portion 113 at an inner end The contact protrusions 320 of the both side contact terminals 300 including the threaded plugs 340 are elastically installed to protrude and retract from the inner wall surface of the protrusion wall 110, A turning tool groove 342 is formed,
A coupling hole 410 is formed in the opening and closing plate 400 so as to pass through the upper and lower surfaces of the opening and closing plate 400 and have a locking protrusion 411 on the inner surface of the lower surface thereof and a female threaded portion 412 on the inner surface of the upper surface,
The pull line push rod 500 includes an upper half threaded bar 510 which is screwed into the female threaded portion 412 of the coupling hole 410 and a threaded rod 510 at the lower end of the threaded rod 510, And a latching jaw 530 which is engaged with the latching jaw 411 between the lower end of the screw rod 510 and the upper end of the pressing piece 520 , A turning tool groove (511) is formed on the upper end surface of the screw thread portion (510)
The opening and closing means 600 includes a base frame 610 installed at a lower portion of one side of the connector body 100; An opening / closing plate support 620 of an electrically insulating material vertically installed on the upper surface of the base frame 610 and having an upper end reaching one side of the opening / closing plate 400; And a base end portion extending from one side of the opening and closing plate 400 and being rotatably supported by a hinge pin 631 at an upper end of the opening and closing plate supporting base 620 in a vertical direction, (630); A driving motor 640 mounted on an upper surface of the base frame 610 and having a motor shaft 641 having a female screw 642 formed on an inner circumferential surface thereof; An elevating screw 650 having a male screw portion 651 screwed to the female screw portion 642 of the motor shaft 641; The connection pin 632 is formed on both sides of the free end of the rotary arm 630 and is elongated in the left and right direction and is fixed to the free end of the rotary arm 630 and extends in forward and backward directions. And a connecting piece 663 integrally formed on the lower surface of the pair of connecting guides 661. The connecting piece 663 is formed of a pair of connecting guides 661 and a pair of connecting guides 661, And a connecting rod (670) connecting an upper end of the lifting screw (650) and a lower end of the rotary arm connecting hole (660).
KR1020140140806A 2014-10-17 2014-10-17 Connector for transmitting incoming line of special high voltage substation facilities KR101485148B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101942827B1 (en) * 2018-10-24 2019-01-30 (주)동성기술감리단 Apparatus for connecting in/out electric power cable in substation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388853B1 (en) * 2000-11-22 2003-06-25 조규삼 A bushing attached on the low-voltage side and the high voltage side of an electric pole transformer
KR100934469B1 (en) * 2009-09-01 2009-12-30 오대영 Connector of the inputed wires
KR100935939B1 (en) * 2009-10-05 2010-01-13 (주)한동엔지니어링 Connector for drop wire of power transmission wire
KR101161850B1 (en) * 2012-03-30 2012-07-03 주식회사 한일엔지니어링 Connector of transmitting special high voltage for input

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100388853B1 (en) * 2000-11-22 2003-06-25 조규삼 A bushing attached on the low-voltage side and the high voltage side of an electric pole transformer
KR100934469B1 (en) * 2009-09-01 2009-12-30 오대영 Connector of the inputed wires
KR100935939B1 (en) * 2009-10-05 2010-01-13 (주)한동엔지니어링 Connector for drop wire of power transmission wire
KR101161850B1 (en) * 2012-03-30 2012-07-03 주식회사 한일엔지니어링 Connector of transmitting special high voltage for input

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101942827B1 (en) * 2018-10-24 2019-01-30 (주)동성기술감리단 Apparatus for connecting in/out electric power cable in substation

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