CN202183585U - Stress cone assembly and high-voltage cable connector assembly - Google Patents

Stress cone assembly and high-voltage cable connector assembly Download PDF

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Publication number
CN202183585U
CN202183585U CN2011202283863U CN201120228386U CN202183585U CN 202183585 U CN202183585 U CN 202183585U CN 2011202283863 U CN2011202283863 U CN 2011202283863U CN 201120228386 U CN201120228386 U CN 201120228386U CN 202183585 U CN202183585 U CN 202183585U
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CN
China
Prior art keywords
assembly
cable connector
voltage cable
stress cone
shrinkable sleeves
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Withdrawn - After Issue
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CN2011202283863U
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Chinese (zh)
Inventor
伍静
谈跃中
徐映伟
郭建华
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Tyco Electronics Shanghai Co Ltd
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Tyco Electronics Shanghai Co Ltd
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Priority to CN2011202283863U priority Critical patent/CN202183585U/en
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Abstract

Provided is a stress cone assembly for high-voltage equipment. The stress cone assembly comprises a retractable sleeve pipe, a conductive pipe and a retractable electrode. The retractable sleeve pipe comprises a first portion and a second portion. The conductive pipe is disposed on the first portion of the retractable sleeve pipe and fixed on the inner wall of the retractable sleeve pipe. The retractable electrode is attached on the inner wall of the second portion of the retractable sleeve pipe, and comprises a first opening and a second opening. The retractable electrode is electrically connected with the inner side end of the conductive pipe on the first opening. The second opening is transformed to elastically clamp a high-voltage cable that is inserted into the second portion of the retractable sleeve pipe. The utility model also provides a high-voltage cable connector assembly comprising the above stress cone assembly. The elastic stress portion of the high-voltage cable connector assembly is suitable for high-voltage cables with a different diameter.

Description

Stress cone assembly, high-voltage cable connector assembly
Technical field
The utility model relates to a kind of high-voltage cable connector, particularly, relates to a kind of applicable to the stress cone assembly of the high-tension cable with different-diameter and the high-voltage cable connector assembly with this stress cone assembly.
Background technology
With high-tension cable with generator for example, motor, transformer, when gas-insulated switch high-voltage electrical equipments such as (GIS) is connected, need to use high-voltage cable connector, with convenient, reliable and realize that safely electric equipment and high-tension cable are to be connected.Fig. 1 shows a kind of partial sectional view of high-voltage cable connector 100 of prior art.In this high-voltage cable connector 100; Be fixed with the high-field electrode 102 that is electrically connected with the corresponding high-field electrode of electric equipment at the insulating sleeve of processing by for example epoxide resin material 101 front ends; Be provided with cylindrical portions may 103 in the rear end of high-field electrode 102; Be provided with circular connector 104 in the cylindrical portions may 103, Installation Stress awl 105 in the rear end of insulating sleeve 101.The jacket portions of high-tension cable 107 is inserted in the stress cone 105, and simultaneously the conductor part 108 of high-tension cable 107 is plugged into circular connector 104, thereby realizes being electrically connected of high-tension cable 107 and high-field electrode 102.But in this high-voltage cable connector 100, stress cone 105 is prefabricated, for mating with the high-tension cable with different outer dias, needs the insulating sleeve and the stress cone of different size.Be not easy to dissimilar high-voltage cable connector products is managed, and the compatibility of product and interchangeability are very poor.
Fig. 2 shows the partial sectional view of the high-voltage cable connector assembly 200 of another kind of prior art.In this high-voltage cable connector assembly 200; Be fixed with the high-field electrode 202 that is electrically connected with the corresponding high-field electrode of electric equipment at insulating sleeve 201 front ends; The rear end of high-field electrode 202 is provided with connector 203, through bolt assembly 204 elastomer 205 is installed in the rear end of insulating sleeve 201.Rear end at elastomer 205 forms cylindrical portions may, and the jacket portions of high-tension cable 206 is inserted in the cylindrical portions may through adapter 207, and the conductor part 208 of high-tension cable 206 is electrically connected to high-field electrode 202 through connector 203 simultaneously.In this high-voltage cable connector 200 assemblies,, choose the adapter 207 of different size, thereby high-tension cable 206 is installed in the elastomer 205 relatively securely for the high-tension cable 206 of different outer dias.
But, in this high-voltage cable connector assembly 200,, increased the complexity of whole high-voltage cable connector 200 assemblies owing to be provided with adapter 207; Because elastomer 205 has certain-length; Its outside unfixing and protective device, and high-tension cable 206 is often heavier, makes elastomer 205 that lateral bending takes place easily; Even make the insulator interface between elastomer 205 and the adapter 205 take place to become flexible, influence the electric property of product; Receiving under the situation of violent external force, cause the tear failure of elastomer 205 easily, or cause electric puncture; The protection of the mechanical structure that long elastomer 205 is not sealed is difficult to keep out the erosion of extraneous acid and alkali substance, has reduced the useful life of elastomer 205, therefore is inappropriate for outdoor use.
The utility model content
For solving above-mentioned and other technical problem of the prior art, the utility model proposes a kind of stress cone assembly and the high-voltage cable connector assembly that comprises this stress cone assembly, and its elastic stress part is applicable to the high-tension cable with different-diameter.
The stress cone assembly that further provides of the utility model with comprise the high-voltage cable connector assembly of this stress cone assembly, have the protective sleeve assembly, can flexibly support and keep high-tension cable, improved the electric property of high-voltage cable connector.
Stress cone assembly that further provides of the utility model and the high-voltage cable connector assembly that comprises this stress cone assembly; The protective sleeve assembly can form a totally enclosed protecting sheathing, has avoided extraneous acid and alkali substance that the internal structure of telescopic sleeve pipe, screen and high-tension cable is corroded.
Embodiment according to the utility model of the utility model provides a kind of stress cone assembly that is used for high voltage equipment, and comprising: shrinkable sleeves comprises first and second portion; Contact tube, said contact tube is fixed on the inwall of said shrinkable sleeves in the first of said shrinkable sleeves; And collapsible electrode; Said collapsible electrode paste is attached on the inwall of second portion of said shrinkable sleeves; Comprise and have first opening and second opening; Wherein collapsible electrode is electrically connected with the medial extremity of said contact tube at first opening part, and said second opening is configured to the high-tension cable that flexibly clamping will be inserted into the second portion of said shrinkable sleeves.
In above-mentioned stress cone assembly, said collapsible electrode is cup shape roughly, and the internal diameter of first opening is littler than the internal diameter of second opening.
In above-mentioned stress cone assembly, further comprise screen, said screen coats the outer surface of the second portion of said shrinkable sleeves.
In above-mentioned stress cone assembly, further comprise stay pipe, said stay pipe is installed in the second portion of said shrinkable sleeves removedly, to support said shrinkable sleeves.
In above-mentioned stress cone assembly, said stay pipe is coiled to form through the bar with rigidity, so that can said stay pipe be removed from said shrinkable sleeves through the said end that spurs said rope.
In above-mentioned stress cone assembly, said shrinkable sleeves is heat-shrink tube or cold shrink tube.
In above-mentioned stress cone assembly, the medial extremity of said contact tube forms toroidal.
According to the utility model on the other hand, a kind of high-voltage cable connector assembly is provided, comprises: aforesaid any stress cone assembly; Mounting sleeve, said mounting sleeve have two openings, and one of them opening sleeve is contained in the outside of the first of said telescopic sleeve pipe; Connection electrode, an end that is positioned at said mounting sleeve inside and said connection electrode stretches out for inserting said high voltage equipment and being electrically connected with said high voltage equipment formation from said mounting sleeve; Maintaining body is configured to keep the heart yearn of said high-tension cable partly and with said connection electrode to be electrically connected; And coupling assembling, be configured to said mounting sleeve and said stress cone assembly are fixed on the cabinet of said high voltage equipment together.
In above-mentioned high-voltage cable connector assembly, further comprise the protective sleeve assembly, said protective sleeve assembly is connected to said coupling assembling and extends to the rear end of said high-voltage cable connector, to protect said shrinkable sleeves and high-tension cable.
In above-mentioned stress cone assembly, said protective sleeve assembly comprises: sealing shroud, said sealing shroud are connected to said coupling assembling and extend to the rear end of said high-voltage cable connector, with the shielding conductor of the exposure that coats said high-tension cable; And the telescopic protection cover, said telescopic protection cover extends to the rear end of said high-voltage cable connector from said sealing shroud, to coat a part of crust of said high-tension cable.
In above-mentioned stress cone assembly, said protective sleeve assembly further comprises: dead ring, said dead ring the outer setting of said sealing shroud with the corresponding position of said shielding conductor.
In above-mentioned stress cone assembly, said protective sleeve assembly further comprises: support ring, said support ring the set inside of said rigid seal cover with the corresponding position of said dead ring, to clamp and to support said high-tension cable.
In above-mentioned stress cone assembly, said protective sleeve assembly further comprises: scalable sealing shroud, said scalable sealing shroud extends to the shielding conductor of the exposure of said high-tension cable from the second portion of said shrinkable sleeves.
In above-mentioned stress cone assembly, on said sealing shroud, be provided with the ground connection connector.
In above-mentioned stress cone assembly, said connection electrode is electrically connected with the contact tube of said stress cone assembly.
In above-mentioned stress cone assembly, said maintenance assembly comprises: annular slab is connected to the contact tube of said stress cone assembly; Clamping part is configured to cylindrical shape and is connected to said annular slab, to hold the heart yearn part of high-tension cable; And elastic ring, be arranged on the said clamping part, to make said clamping part keep said heart yearn part securely through clamping said clamping part.
In above-mentioned stress cone assembly, said elastic ring is installed on the outer surface of said clamping part with the mode that the inclined-plane cooperates.
In above-mentioned stress cone assembly, said annular slab is connected to said contact tube through bolt.
In above-mentioned stress cone assembly, said coupling assembling comprises: recess is formed on first's outer surface of said shrinkable sleeves; Annular flange flange is arranged in the said recess and from said recess and radially outward gives prominence to, and said mounting sleeve and said protective sleeve assembly are fixed on the said annular flange flange.
In above-mentioned stress cone assembly, between said protective sleeve assembly and said annular flange flange, be provided with elastomeric element.
According to the stress cone assembly and the high-voltage cable connector assembly that comprises this stress cone assembly of the utility model exemplary embodiment, its elastic stress part is applicable to the high-tension cable with different-diameter.The protective sleeve assembly can flexibly support and keep high-tension cable, has improved the electric property of high-voltage cable connector assembly.And the protective sleeve assembly can form a totally enclosed protecting sheathing, avoided extraneous acid and alkali substance that the internal structure of telescopic sleeve pipe, screen and high-tension cable is corroded, and improved the useful life of whole high-voltage cable connector.
For purpose, characteristic and the advantage that makes the utility model can be more obviously understandable, the utility model is described further below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is a kind of partial sectional view of high-voltage cable connector of prior art;
Fig. 2 is the partial sectional view of the high-voltage cable connector of another kind of prior art;
Fig. 3 is the simple and easy sketch map according to the stress cone assembly of the exemplary embodiment of the utility model;
Fig. 4 illustrates the cutaway view according to the stress cone assembly of the exemplary embodiment of the utility model;
Fig. 5 is the cutaway view according to the high-voltage cable connector of the exemplary embodiment of the utility model;
Fig. 6 is the cutaway view of the high-voltage cable connector among Fig. 5 when the protective sleeve assembly is not installed; And
Fig. 7 is the high-voltage cable connector base portion decomposing schematic representation among Fig. 5.
Embodiment
Though will fully describe the utility model with reference to the accompanying drawing of the preferred embodiment that contains the utility model; But, this should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtains the technique effect of the utility model simultaneously before describing.Therefore, must understand above description to those of ordinary skill in the art and Yan Weiyi discloses widely, and its content does not lie in the described exemplary embodiment of restriction the utility model.Identical Reference numeral is represented identical part in the accompanying drawing.
Fig. 3 and 4 shows the stress cone assembly 10 that is used for high-voltage cable connector of an exemplary embodiment of the utility model.The high-voltage cable connector 20 of the utility model can be connected with for example generator, motor, transformer, gas-insulated switch high-voltage electrical equipments such as (GIS) such as the high-tension high-tension cable 300 more than 10 kilovolts carrying.Generally speaking; Referring to Fig. 5, high-tension cable 300 mainly comprises: at outermost insulation sheath 301, at the heart yearn part 305 of mid portion, the shielding conductor 302 between crust 301 and heart yearn part 305, semiconductor layer 303 and the insulating barrier 304 for example processed by tinfoil paper material or polythene material successively.The stress cone assembly 10 of the utility model comprises: by the shrinkable sleeves 1 that for example epoxide resin material is processed, comprise that its profile is first and its profile of substantial cylindrical shape second portion for roughly conical by its shape; Contact tube 2, said contact tube 2 is fixed on the inwall of shrinkable sleeves 1 in the first of shrinkable sleeves 1; And the collapsible electrode of processing by for example silastic material 3; Said collapsible electrode 3 for example is attached on the inwall of second portion of shrinkable sleeves 1 through molded (molding) technology securely; Comprise and have first opening 31 and second opening 32; Wherein collapsible electrode 3 is electrically connected with the medial extremity 21 of contact tube 2 at first opening, 31 places, and second opening 32 is configured to the high-tension cable with different-diameter 300 (referring to Fig. 5) that flexibly clamping will be inserted into the second portion of shrinkable sleeves 1.In the utility model, scalable second portion and collapsible electrode 3 through 1 is used as the elastic stress part.
In a kind of exemplary embodiment, collapsible electrode 3 is cup shape roughly, and the internal diameter of first opening 31 is littler than the internal diameter of second opening 32, can be convenient to like this part of the insulating barrier 304 of high-tension cable 300 is inserted in the retractable electrode 3 gradually.But the utility model is not limited thereto, and also can even become cylindrical shape, or the internal diameter shape bigger than the internal diameter of second opening 32 of first opening 31 with collapsible electrode 3.
In a kind of exemplary embodiment; Stress cone assembly 10 further comprises the screen of being processed by for example silastic material 4; Said screen 4 coats the outer surface of the second portion of shrinkable sleeves 1; Screen 4 can form the fastening part that extends to outside the second portion 41 or extend to outside the second portion through other shield member, so that fastening part 41 or other shield member flexibly contact with semiconductor layer 303 with the high-tension cable that is inserted into 300.In the utility model, screen 4 can play the effect of an external electrode, and retractable electrode 3 plays the effect of an interior electrode.
Stress cone assembly 10 according to the utility model further comprises stay pipe 6, and said stay pipe 6 is installed in the second portion of shrinkable sleeves 1 removedly, with support shrinkable sleeves 1, and second opening 32 of collapsible electrode 3 is outwards opened.In a kind of exemplary embodiment; Stay pipe 6 is a kind of spiral tube structures that have the bar coiling formation of rigidity through coiling; And an end 61 of rope extends to outside the second portion of shrinkable sleeves 1 from the medial extremity of vicinity second opening 32 of stay pipe 6, through the end 61 of pulling rope stay pipe 6 is removed from shrinkable sleeves 1.Particularly; Can in advance stay pipe 6 be inserted in second opening 32; Second opening 32 is radially outward opened, can make high-tension cable 300 can pass stay pipe 6 like this and make the heart yearn part 305 of high-tension cable arrive contact tube 2 even farther positions with different-diameter, and when the various piece of high-tension cable 300 arrives suitable position; The end 61 of exposing through outside pulling makes stay pipe 6 gradually until final disappearance; Like this, the second portion of second opening 32 and telescopic sleeve pipe 1 will shrink and finally compress the corresponding site of high-tension cable 300 gradually, thereby securely high-tension cable 300 remained in the stress cone assembly 10.Be appreciated that stay pipe 6 also can be the pipe of rigidity, and can be inserted into second opening 32 through the mode of plug and extract whole stress cone assembly 10.In other a kind of exemplary embodiment, shrinkable sleeves 1 is heat-shrink tube or cold shrink tube, like this, after removing stay pipe 6 from shrinkable sleeves 1, through the mode that heats shrinkable sleeves 1 is shunk to clamp insulating barrier 304 parts of high-tension cable 300.
According to the further embodiment of the utility model; The medial extremity 21 of contact tube 2 forms the toroidal of outside expansion; This toroidal structure is connected with first opening 31 of retractable electrode 3; For example be inserted in the annulus of first opening 31, can prevent retractable electrode 3 expansion like this and cause the inwall cracking of the medial extremity 21 of contact tube 2 when shrinking, and the heart yearn part 305 that allows to have the high-tension cable 300 of different-diameter is passed contact tube 2 from telescopic sleeve pipe 1.
According to the utility model exemplary embodiment on the other hand, a kind of high-voltage cable connector assembly 20 shown in Fig. 5-7 is provided.High-voltage cable connector assembly 20 comprises: the described stress cone assembly 10 of top various embodiment; By the mounting sleeve 7 that for example epoxide resin material is processed, mounting sleeve 7 has two openings, and one of them opening sleeve is contained in the outside of the first of telescopic sleeve pipe 1; Connection electrode 8; Be positioned at mounting sleeve inner 7; And an end of connection electrode 8 stretches out from mounting sleeve 7; Connection electrode 8 is formed at front end (that end that is electrically connected with the splicing ear of high-voltage electrical equipment) the said high-voltage electrical equipment of insertion of high-voltage cable connector assembly 20 and with high-voltage electrical equipment be electrically connected, and connection electrode 8 is electrically connected with the contact tube 2 of stress cone assembly; Keep assembly 11, maintenance assembly 11 is configured to keep the heart yearn part 305 of high-tension cable 300 and is electrically connected with connection electrode 8; And coupling assembling 5, be configured to mounting sleeve 7 and stress cone assembly 10 are fixed on the cabinet of high-voltage electrical equipment together.
According to the further embodiment of the utility model; High-voltage cable connector 20 further comprises protective sleeve assembly 9; Said protective sleeve assembly 9 is connected to coupling assembling 5 and extends to the rear end of high-voltage cable connector 20, to protect shrinkable sleeves 1 and to be exposed to the high-tension cable 300 outside the stress cone assembly 10.In a kind of exemplary embodiment; The protective sleeve assembly comprises: have rigidity and a flexible sealing shroud 91 by what for example metal material was processed; Said sealing shroud 91 is connected to coupling assembling 5 and extends to the rear end of high-voltage cable connector 20 in the outside of stress cone assembly 10, to coat and to shield the metal-shielded wire 302 of the exposure of high-tension cable 300; And the telescopic protection of processing by for example epoxide resin material cover 92, said telescopic protection cover extends to the rear end of high-voltage cable connector 20 from the outside of sealing shroud 91, to coat a part of crust 301 of high-tension cable 300.Because protective sleeve assembly 9 is connected to coupling assembling 5 and extends to a part of crust 301 of high-tension cable 300 to the rear end of high-voltage cable connector 20, can prevent since high-tension cable 300 quilts when pullling stress cone assembly 10 cause the phenomenon of poor electric contact with respect to being moved of cabinet of high-voltage electrical equipment.
In further exemplary embodiment, protective sleeve assembly 9 further comprises dead ring 93, said dead ring 93 the outer setting of rigid seal cover 91 with shielding conductor 302 corresponding positions.Protective sleeve assembly 9 further comprises rubber-like support ring 94, said support ring 94 the set inside of rigid seal cover 91 with dead ring 93 corresponding positions, can make support ring 94 clamp and support high-tension cable 300 through tightening dead ring 93 like this.Protective sleeve assembly 9 also comprises soft scalable sealing shroud 95; Said scalable sealing shroud 95 for example can adopt molding process to be fixed on the outside of screen 4, and extends to the shielding conductor 302 of the exposure of high-tension cable 300 from the second portion of shrinkable sleeves 1 at the outer surface of screen 4.On rigid seal cover 91, be provided with ground connection connector 96, whole high-voltage cable connector 20 is carried out ground connection through earth lead.
High-voltage cable connector 20 according to the utility model; Owing to be provided with protective sleeve assembly 9; A kind of elastic mechanism of forming by telescopic protection cover 92 and/or scalable sealing shroud 95; Form a kind of supporting mechanism by rigid sealing ring 91, dead ring 93 and support ring 94; Can protect a part of insulation sheath 301 in the blank area (comprising a part of insulation sheath 301, shielding conductor 302, semiconductor layer 303, insulating barrier 304, heart yearn part 305) of high-tension cable 300 can not bend basically with shielding conductor 302; Avoided being torn also and then influence the electric property of whole high-voltage cable connector 20, improved the electric stability of high-voltage cable connector 20 effectively owing to high-tension cable 300 bendings cause the shrinkable sleeves 1 of stress cone assembly 10.Further; Because rigid seal cover 91 all seals with a part of insulation sheath 301, the shielding conductor 302 of telescopic protection cover 92 second portions with telescopic sleeve pipe 1, screen 4 and high-tension cable 300; Form a totally enclosed protecting sheathing; Avoided extraneous acid and alkali substance that the internal structure of telescopic sleeve pipe 1, screen 4 and high-tension cable 300 is corroded, improved useful life as elastomeric telescopic sleeve pipe 1 screen 4.Further, whole protecting grip assembly 9 can play the effect of mechanical protection shell, has improved the mechanical protection effect to the blank area of high-tension cable 300, can keep out the impact of external force, has improved the applicability to operational environment.
Referring to Fig. 5-7; A kind of exemplary embodiment according to the utility model high-voltage cable connector 20; Connection electrode 8 comprises the contact portion 81 of substantial cylindrical and the cylindrical portion 82 integrally formed with contact portion 81; Keep assembly 11 to be arranged in the cylindrical portion 82, and connection electrode 8 is electrically connected with the contact tube 2 of stress cone assembly through cylindrical portion 82.Keep assembly 11 to comprise: annular slab 111 is connected to the part of exposing scalable pipe 1 of the contact tube 2 of stress cone assembly 10; Clamping part 112 is configured to cylindrical shape and is connected to annular slab 111, to hold the heart yearn part 305 of high-tension cable 300; And elastic ring 113, be arranged on the clamping part 112 and and contact, to make clamping part 112 keep heart yearn part 305 securely through clamping clamping part 112 with the inwall of cylindrical portion 82.In one embodiment; The outer surface of the inner surface of elastic ring 113 and clamping part 112 is the ramp structure that cooperatively interacts; Elastic ring 113 is installed on the outer surface of clamping part 112 with the mode that the inclined-plane cooperates like this, thereby can make clamping part 112 clamp heart yearn part 305 through slip elastic ring 113 on the outer surface of clamping part 112.Annular slab 111, clamping part 112 and elastic ring 113 are all processed by the electric conducting material of copper and so on, and heart yearn part 305 can be electrically connected to connection electrode 8 through clamping part 112 and elastic ring 113 like this.
Further, annular slab 111 is connected to contact tube 2 through bolt 114.Preferably, bolt 114 is connected to the part of scalable pipe 1 of exposing of contact tube 2 through the through hole of the sidepiece of annular slab 114.Like this, connection electrode 8, maintenance assembly 11, contact tube 2 and retractable electrode 3 are electrically connected, and keep identical current potential.In addition, for example be welded with a circle electrode 83 in the outside of the cylindrical portion 82 of connection electrode 8, electrode 83 radially outward and to telescopic sleeve pipe 1 extends.In a kind of exemplary embodiment, connection electrode 8 and mounting sleeve 7 adopt molded (molding) technology to be fixed together.
In a kind of exemplary embodiment of the high-voltage cable connector of the utility model, coupling assembling 5 comprises: recess 51 (referring to Fig. 3) is formed on first's outer surface of shrinkable sleeves 1; Annular flange flange 52 is arranged in the recess 51 and from recess 51 and radially outward gives prominence to, and mounting sleeve 7 is fixed on the annular flange flange 52 with protective sleeve assembly 9, thereby makes mounting sleeve 7, coupling assembling 5 and protective sleeve assembly 9 form a hermetically-sealed construction.One end of rigid seal cover 91 extends in the recess 51, can more firmly rigid seal cover 91 be remained on the outer surface of stress cone assembly 10 like this.Further, be provided with elastomeric element 55 between protective sleeve assembly 9 and the annular flange flange 52, on annular flange flange 52, be provided with a plurality of through holes 53.During actual installation, utilize bolt 54 for example that the rigid seal cover 91 of the mounting panel on mounting sleeve 7, the electric equipment 400, annular flange flange 52 and protective sleeve assembly 9 is linked in sequence together.Owing to be provided with elastomeric element 55, can allow to produce between mounting sleeve 7 and the protective sleeve assembly 9 relatively moving to a certain degree.
With reference to Fig. 5-7 operating process that is installed to the electric equipment (not shown) according to the high-voltage cable connector 20 of the utility model is described for example below.
At first, rigid sealing ring 91, telescopic protection cover 92, dead ring 93 and the support ring 94 with protective sleeve assembly 9 is enclosed within on the high-tension cable to be connected 300; The crust 301 of one end of excision high-tension cable 300 exposes the for example shielding conductor 302 of copper wire and so on, and shielding conductor 302 is carried out combing; The root of excision portion with copper wire close around, then shielding conductor 302 is carried out 180 degree upsets; Predetermined length by separately strips out conductor thread core part 305, insulating barrier 304 and semiconductor layer 303 respectively, and the interface of finishing semi-conductive layer 303 and insulating barrier 304; On insulating barrier 304, coat silicone oil; The blank area of high-tension cable 300 is inserted high-voltage cable connector 20, make heart yearn part 305 insert clamping part 112 and contact tube 2, insulating barrier 304 partly inserts collapsible electrode 3, the fastening part 41 that semiconductor layer 303 inserts screen 4; Stay pipe is taken out in the end 61 of pulling spiral branches stay tube 6, makes retractable electrode 3 clamp insulating barrier 304, fastening part 41 clamping semiconductor layers 303.
Mounting sleeve 7 is inserted the socket of electric equipments, connection electrode 8 is contacted with the splicing ear of electric equipment, and make the portion gas discharge in the socket of electric equipment; Be inserted in mounting panel 400 in the posterior edges of mounting sleeve 7; The elastic ring 113 that will have inclined inner surface is installed on the clamping part 112, utilizes three bolts 114 that annular slab 111 is fixed on the contact tube 2, thereby will keep assembly 11 to be installed on the stress cone assembly 10; On the outer surface of the first of telescopic sleeve pipe 1, coat silicone oil, and be inserted into mounting sleeve 7, make elastic ring 11 contact and clamp heart yearn part 305 with the cylindrical portion 82 of connection electrode 8.
The rigid sealing ring 91 of slip protective sleeve assembly 9, dead ring 93 and support ring 94; Make rigid sealing ring 91 reach and annular flange flange 52 corresponding positions; Support ring 94 is enclosed within on the part and shielding conductor 302 of scalable sealing shroud 95, dead ring 93 arrive rigid sealing rings 91 with support ring 94 corresponding positions; Tighten the bolt member on the dead ring 93, make dead ring 93 clamp support ring 94 and shielding conductor 302; Slip telescopic protection cover 92 makes protective sleeve 92 coat a part of crust 301 of a part of outer surface of rigid sealing ring 91, whole dead ring 93 and high-tension cable 300.
At last; For example use three bolts 54 to pass installed part, elastomeric element 55, annular flange flange 52, mounting panel 400 and the mounting sleeve 7 of rigid sealing ring 91 respectively; Each bolt 54 is tightened, thereby protective sleeve assembly 9, stress cone assembly 10, mounting sleeve 7 are installed on the electric equipment.
It will be appreciated by those skilled in the art that; Above described embodiment all be exemplary; And those skilled in the art can make improvements; Independent assortment be can carry out under the situation of the conflict of the structure described in the various embodiment aspect not recurring structure or principle, thereby on the basis of the technical problem that solves the utility model, more kinds of stress cone assemblies and high-voltage cable connector assembly realized.
After the preferred embodiment that specifies the utility model; Those of ordinary skill in the art can clearly understand; Under protection range that does not break away from the claim of enclosing and spirit, can carry out various variations and change, and the utility model also is not subject to the execution mode of the exemplary embodiment of lifting in the specification.

Claims (20)

1. a stress cone assembly that is used for high-voltage electrical equipment is characterized in that, comprising:
Shrinkable sleeves (1) comprises first and second portion;
Contact tube (2), said contact tube is fixed on the inwall of said shrinkable sleeves in the first of said shrinkable sleeves; And
Collapsible electrode (3); Said collapsible electrode paste is attached on the inwall of second portion of said shrinkable sleeves; Comprise and have first opening (31) and second opening (32); Wherein collapsible electrode is electrically connected with the medial extremity (21) of said contact tube at first opening part, and said second opening is configured to the high-tension cable (300) that flexibly clamping will be inserted into the second portion of said shrinkable sleeves.
2. stress cone assembly as claimed in claim 1 is characterized in that, said collapsible electrode is cup shape roughly, and the internal diameter of first opening is littler than the internal diameter of second opening.
3. stress cone assembly as claimed in claim 1 is characterized in that, further comprises screen (4), and said screen coats the outer surface of the second portion of said shrinkable sleeves.
4. stress cone assembly as claimed in claim 1 is characterized in that, further comprises stay pipe (6), and said stay pipe is installed in the second portion of said shrinkable sleeves removedly, to support said shrinkable sleeves.
5. stress cone assembly as claimed in claim 4 is characterized in that said stay pipe is coiled to form through the bar with rigidity, so that can said stay pipe be removed from said shrinkable sleeves through the said end that spurs said rope.
6. stress cone assembly as claimed in claim 4 is characterized in that, said shrinkable sleeves is heat-shrink tube or cold shrink tube.
7. like each described stress cone assembly among the claim 1-6, it is characterized in that the medial extremity of said contact tube (21) forms toroidal.
8. a high-voltage cable connector assembly (20) is characterized in that, comprising:
Like each described stress cone assembly (10) among the claim 1-7;
Mounting sleeve (7), said mounting sleeve have two openings, and one of them opening sleeve is contained in the outside of the first of said telescopic sleeve pipe;
Connection electrode (8), an end that is positioned at said mounting sleeve inside and said connection electrode stretches out for inserting said high voltage equipment and being electrically connected with said high voltage equipment formation from said mounting sleeve;
Maintaining body (11) is configured to keep the heart yearn of said high-tension cable partly and with said connection electrode to be electrically connected; And
Coupling assembling (5) is configured to said mounting sleeve and said stress cone assembly are fixed on the cabinet of said high voltage equipment together.
9. high-voltage cable connector assembly as claimed in claim 8; It is characterized in that; Further comprise protective sleeve assembly (9), said protective sleeve assembly is connected to said coupling assembling and extends to the rear end of said high-voltage cable connector, to protect said shrinkable sleeves and high-tension cable (300).
10. high-voltage cable connector assembly as claimed in claim 9 is characterized in that, said protective sleeve assembly comprises:
Sealing shroud (91), said sealing shroud are connected to said coupling assembling and extend to the rear end of said high-voltage cable connector, with the shielding conductor (302) of the exposure that coats said high-tension cable; And
Telescopic protection cover (92), said telescopic protection cover extends to the rear end of said high-voltage cable connector from said sealing shroud, to coat a part of crust (301) of said high-tension cable.
11. high-voltage cable connector assembly as claimed in claim 10 is characterized in that, said protective sleeve assembly further comprises: dead ring (93), said dead ring the outer setting of said sealing shroud with the corresponding position of said shielding conductor.
12. high-voltage cable connector assembly as claimed in claim 11; It is characterized in that; Said protective sleeve assembly further comprises: support ring (94), said support ring the set inside of said rigid seal cover with the corresponding position of said dead ring, to clamp and to support said high-tension cable.
13. high-voltage cable connector assembly as claimed in claim 12; It is characterized in that; Said protective sleeve assembly further comprises: scalable sealing shroud (95), said scalable sealing shroud extend to the shielding conductor (302) of the exposure of said high-tension cable from the second portion of said shrinkable sleeves.
14. high-voltage cable connector assembly as claimed in claim 10 is characterized in that, on said sealing shroud, is provided with ground connection connector (96).
15. high-voltage cable connector assembly as claimed in claim 8 is characterized in that, said connection electrode (8) is electrically connected with the contact tube (2) of said stress cone assembly
16. high-voltage cable connector assembly as claimed in claim 15 is characterized in that, said maintenance assembly (11) comprising:
Annular slab (111) is connected to the contact tube (2) of said stress cone assembly;
Clamping part (112) is configured to cylindrical shape and is connected to said annular slab, to hold the heart yearn part (305) of high-tension cable; And
Elastic ring (113) is arranged on the said clamping part, to make said clamping part keep said heart yearn part securely through clamping said clamping part.
17. high-voltage cable connector assembly as claimed in claim 16 is characterized in that, said elastic ring is installed on the outer surface of said clamping part with the mode that the inclined-plane cooperates.
18., it is characterized in that said annular slab (111) is connected to said contact tube (2) through bolt (114) like claim 16 or 17 described high-voltage cable connector assemblies.
19. high-voltage cable connector assembly as claimed in claim 8, wherein, said coupling assembling (5) comprising:
Recess (51) is formed on first's outer surface of said shrinkable sleeves (1);
Annular flange flange (52) is arranged in the said recess and from said recess and radially outward gives prominence to, and said mounting sleeve (7) and said protective sleeve assembly (9) are fixed on the said annular flange flange.
20. high-voltage cable connector assembly as claimed in claim 19 is characterized in that, between said protective sleeve assembly (9) and said annular flange flange, is provided with elastomeric element (55).
CN2011202283863U 2011-06-30 2011-06-30 Stress cone assembly and high-voltage cable connector assembly Withdrawn - After Issue CN202183585U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856873A (en) * 2011-06-30 2013-01-02 泰科电子(上海)有限公司 Stress cone component and high-voltage cable connector component
CN105655906A (en) * 2014-09-27 2016-06-08 刘洋 Intelligent media landscape-type buried energy-saving box transformer substation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102856873A (en) * 2011-06-30 2013-01-02 泰科电子(上海)有限公司 Stress cone component and high-voltage cable connector component
CN102856873B (en) * 2011-06-30 2015-07-08 泰科电子(上海)有限公司 Stress cone component and high-voltage cable connector component
CN105655906A (en) * 2014-09-27 2016-06-08 刘洋 Intelligent media landscape-type buried energy-saving box transformer substation

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