CN205070381U - Insulating terminal subassembly - Google Patents

Insulating terminal subassembly Download PDF

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Publication number
CN205070381U
CN205070381U CN201520654590.XU CN201520654590U CN205070381U CN 205070381 U CN205070381 U CN 205070381U CN 201520654590 U CN201520654590 U CN 201520654590U CN 205070381 U CN205070381 U CN 205070381U
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CN
China
Prior art keywords
pipe
insulation
insulating sleeve
terminal assembly
mounting flange
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Expired - Fee Related
Application number
CN201520654590.XU
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Chinese (zh)
Inventor
谈跃中
杨立章
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Tyco Electronics Shanghai Co Ltd
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Tyco Electronics Shanghai Co Ltd
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Priority to CN201520654590.XU priority Critical patent/CN205070381U/en
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Publication of CN205070381U publication Critical patent/CN205070381U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/32Single insulators consisting of two or more dissimilar insulating bodies
    • H01B17/325Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member

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  • Cable Accessories (AREA)

Abstract

The utility model provides an insulating terminal subassembly, includes: insulation support, have the entry end and with the exit end that the entry end is relative it has the insulating liquid to fill in insulation support's the inner space, the annular bottom plate is installed insulation support's entry end, and compound tail pipe. Compound tail pipe includes: insulating connecting pipe is installed on the annular bottom plate, and the shielding tail pipe, with insulating connecting pipe intercommunication, the cable joint of cable passes the shielding tail pipe is followed with insulating connecting pipe insulation support's entry end is introduced in insulation support's the inner space. The shielding tail pipe carries out the electric shield to the cable that gets into insulation support, and insulating connecting pipe will shield the tail pipe and the annular bottom plate made by metal material carries out the electrical isolation. Like this, compound outer tube has supporting insulator's effect, can reduce to be used for the plate size of the annular end of the compound tail pipe of installation, can simplify insulating terminal subassembly's structure, the cost is reduced.

Description

Insulation terminal assembly
Technical field
The utility model relates to a kind of insulation terminal assembly, particularly relates to a kind of insulation terminal assembly of the current-carrying conductor for drawing from circuit breaker or transformer.
Background technology
In the high pressure of 66kV and 66kV above or the connected system of extra-high-tension cable, being electrically connected with the reliable of overhead transmission line for realizing high-tension cable, needing the link installing insulating terminal assembly at cable, to form electric cable accessories.The insulation terminal assembly of current use generally comprises the conducting rod of drawing in insulating sleeve, insulation cluster parachute, metal flange and the one end from insulating sleeve.In insulating sleeve, be filled with insulating oil, from the link quilt local strip off of cable, to form cable joint, cable joint is accommodated in insulating sleeve.Insulation cluster parachute is formed on the outer wall of insulating sleeve.Metal flange is attached to the base portion of insulating sleeve.
In the prior art, metal flange is provided with multiple supporting insulator in advance, thereby increase the size of metal flange and make the complex structure of whole insulation terminal assembly, causing the cost of metal flange higher, and adding the manufacturing cost of insulation terminal assembly.
Utility model content
The purpose of this utility model is intended at least one aspect solving the above-mentioned problems in the prior art and defect.
An object of the present utility model is to provide a kind of insulation terminal assembly, by arranging compound tail pipe, can simplify the structure of insulation terminal assembly, reducing costs.
According to an aspect of the present utility model, a kind of insulation terminal assembly is provided, comprises: insulating sleeve, there is arrival end and the port of export relative with described arrival end, in the inner space of described insulating sleeve, be filled with iknsulating liquid; Annular bottom plate, is arranged on the arrival end of described insulating sleeve; And compound tail pipe.Compound tail pipe comprises: insulation tube connector, is arranged on described annular bottom plate; And shielding tail pipe, be communicated with described insulation tube connector, the cable joint of cable is introduced the inner space of described insulating sleeve from the arrival end of described insulating sleeve through described shielding tail pipe and insulation tube connector.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described insulation tube connector comprises: interior pipe; Outer tube, is arranged on the outside of described interior pipe; And connecting portion, between the one end being connected to described interior pipe and one end of outer tube, the installation end of described shielding tail pipe is through the extremely described connecting portion of the recessed bond ing described inner and outer tubes.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, the installation end of described shielding tail pipe is provided with the first radially outward outstanding mounting flange, and described shielding tail pipe is arranged on described connecting portion by the multiple through holes be arranged on described first mounting flange to utilize multiple first connector to be each passed through.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, between described installation end and described connecting portion, be provided with the first sealing gasket.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described connecting portion is radially outward projected into form the second mounting flange outside described outer tube, and described second mounting flange is arranged on described annular bottom plate.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, between described second mounting flange and annular bottom plate, be provided with the second sealing gasket.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described shielding tail pipe is provided with the wire connecting portion for connecting earth connection.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, also comprise connection pedestal, be arranged on the arrival end of described insulating sleeve, described annular bottom plate is arranged on the bottom of described connection pedestal.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described connection pedestal comprises the 3rd mounting flange and supplementary insulation pipe that are integrally formed, described supplementary insulation pipe is connected to the arrival end of described insulating sleeve, and described annular bottom plate is arranged on described 3rd mounting flange.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described connection pedestal also comprises the multiple insulating strength muscle be integrally formed with described 3rd mounting flange and described supplementary insulation pipe, each described insulating strength muscle is connected respectively on the outer wall of described 3rd mounting flange and the outer wall of described supplementary insulation pipe, to improve the bond strength between described 3rd mounting flange and described supplementary insulation pipe.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described supplementary insulation pipe comprises: the first pipe portion, is positioned at one end of close described 3rd mounting flange of described supplementary insulation pipe; Second pipe portion, is positioned at the other end away from described 3rd mounting flange of described supplementary insulation pipe; With the 3rd pipe portion, between described first pipe portion and described second pipe portion, wherein, described first pipe portion has the first external diameter, described second pipe portion has the second external diameter being less than described first external diameter, and described 3rd pipe portion has the gradual change external diameter being gradient to described second external diameter from described first external diameter.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, the internal diameter of described insulating sleeve is a bit larger tham the external diameter in the second pipe portion of described supplementary insulation pipe and is less than the external diameter in described first pipe portion; And the second pipe portion that the arrival end of described insulating sleeve is socketed in described supplementary insulation pipe is hermetically outside.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described connection pedestal is made up of identical material with described insulating sleeve.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, the cable joint of described cable comprises: the outer sheath layer being wrapped in the internal insulating layer in conductor cores, being wrapped in the conductive shielding layer on internal insulating layer and being wrapped on conductive shielding layer.Described insulation terminal assembly also comprises: supporting base, is arranged on the side contrary with described compound tail pipe of described annular bottom plate, and extends in the inner space of described insulating sleeve; And stress cone, be arranged on described supporting base, described stress cone is at least socketed in the internal insulating layer of described cable and the adjacent position of conductive shielding layer.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, also comprise output conducting rod, described output conducting rod comprises: exit, and described exit stretches out from the inside of described insulating sleeve; And binding end, be arranged on the inside of described insulating sleeve and be connected with described exit, described binding end is provided with engagement groove, and the conductor cores of described cable is inserted in described engagement groove.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, also comprise high-tension shielding ring, described high-tension shielding ring is arranged on the outer wall of the port of export of described insulating sleeve removably, and around described exit.
According to the insulation terminal assembly of a kind of embodiment of the present utility model, described insulating sleeve is the winding pipe that the glass fibre that impregnated of epoxy resin by winding is made.
According in the insulation terminal assembly of above-described embodiment of the present utility model, shield tail pipe and electric screen is carried out to the cable entering insulating sleeve, and shielding tail pipe is carried out electric isolution with the annular bottom plate be made up of metal material by the tube connector that insulate.Like this, compound outer tube has the effect of supporting insulator, can reduce the size of the annular bottom plate for installing compound tail pipe, can simplify the structure of insulation terminal assembly, reduce cost.In addition, insulation tube connector can complete in factory with the assembling of shielding tail pipe, on-the-spot only need by insulation tube connector by screw to be connected with annular bottom plate just can, thus simplify the operational sequence of installing insulating terminal assembly.
By the description hereinafter done the utility model with reference to accompanying drawing, other object of the present utility model and advantage will be apparent, and can help there is comprehensive understanding to the utility model.
Accompanying drawing explanation
Fig. 1 display is according to the partial lengthwise sectional view of the insulation terminal assembly of the embodiment of an exemplary of the present utility model;
Fig. 2 shows the longitudinal sectional view of the insulation terminal assembly shown in Fig. 1;
Fig. 3 shows the enlarged diagram of the part A shown in Fig. 2;
Fig. 4 shows the enlarged diagram of the part B shown in Fig. 2;
Fig. 5 display is according to the longitudinal sectional view of the compound tail pipe of the insulation terminal assembly of the embodiment of an exemplary of the present utility model;
Fig. 6 shows the decomposing schematic representation of the tail pipe of compound shown in Fig. 5;
Fig. 7 shows the schematic perspective view of the connection pedestal of the another kind of exemplary embodiment of the terminal assembly of insulation shown in Fig. 1; And
Fig. 8 shows a kind of longitudinal sectional view of cable joint of end of cable of exemplary embodiment.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.The explanation of following reference accompanying drawing to the utility model execution mode is intended to make an explanation to overall utility model design of the present utility model, and not should be understood to one restriction of the present utility model.
In addition, in the following detailed description, for ease of explaining, many concrete details have been set forth to provide the complete understanding to this disclosure embodiment.But significantly, one or more embodiment also can be implemented when not having these details.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.
According to general technical design of the present utility model, a kind of insulation terminal assembly is provided, comprises: insulating sleeve, there is arrival end and the port of export relative with described arrival end, in the inner space of described insulating sleeve, be filled with iknsulating liquid; Annular bottom plate, is arranged on the arrival end of described insulating sleeve; And compound tail pipe.Compound tail pipe comprises: insulation tube connector, is arranged on described annular bottom plate; And shielding tail pipe, be communicated with described insulation tube connector, the cable joint of cable is introduced the inner space of described insulating sleeve from the arrival end of described insulating sleeve through described shielding tail pipe and insulation tube connector.
Fig. 1 display is according to the partial lengthwise sectional view of the insulation terminal assembly of the embodiment of an exemplary of the present utility model; Fig. 2 shows the longitudinal sectional view of the insulation terminal assembly shown in Fig. 1.The insulation terminal assembly 100 of the utility model embodiment is for being electrically connected to another high-tension cable or overhead transmission line by the high pressure of such as 66kV and 66kV above or extra-high-tension cable 200.
As depicted in figs. 1 and 2, mainly comprise insulating sleeve 1 according to the embodiment insulation terminal assembly of an exemplary of the present utility model, be arranged on annular bottom plate 2 and the compound tail pipe 3 of the arrival end of described insulating sleeve.More specifically, insulating sleeve 1 has arrival end (right-hand member in Fig. 1 and 2) and the port of export relative with arrival end (left end in Fig. 1 and 2).The outer wall of insulating sleeve 1 is formed multiple insulation cluster parachute 11.Iknsulating liquid is filled with in the inner space 12 of insulating sleeve 1, such as, insulating oil.The cable joint of cable 200 is introduced insulating sleeve 1 from the arrival end of insulating sleeve 1.
Fig. 5 display is according to the longitudinal sectional view of the compound tail pipe of the insulation terminal assembly of the embodiment of an exemplary of the present utility model; Fig. 6 shows the decomposing schematic representation of the tail pipe of compound shown in Fig. 5.See Fig. 1-6, compound tail pipe 3, comprising: be arranged on the insulation tube connector 31 on annular bottom plate 2; And the shielding tail pipe 32 to be communicated with described insulation tube connector 31, introduce the inner space 12 of insulating sleeve 1 from the arrival end of insulating sleeve 1 from the cable joint of electric equipment outgoing cable 200 through shielding tail pipe 32 and insulation tube connector 31.In the insulation terminal assembly 100 of embodiment of the present utility model, shielding tail pipe 32 carries out electric screen to the cable entering insulating sleeve 1, and shielding tail pipe 32 is carried out electric isolution with the annular bottom plate 2 be made up of metal material by the tube connector 31 that insulate.Like this, compound outer tube 3 has the effect of the supporting insulator of conventional insulator terminal assembly, can simplify the structure of insulation terminal assembly, reduce cost.
As illustrated in Figures 5 and 6, the tube connector 31 that insulate comprises: interior pipe 311; Be arranged on the outside outer tube 312 of interior pipe 311; And connecting portion 313, connecting portion 313 is connected between interior pipe 311 and outer tube 312 in one end of described interior pipe 311 and outer tube 312, shielding tail pipe 32 installation end 323 (upper end in Fig. 6) through the recessed bond ing interior pipe 311 and outer tube 312 to connecting portion 313.Like this, a part for shielding tail pipe 32 is clamped between interior pipe 311 and outer tube 312, improves the insulation effect to shielding tail pipe 32.
In a further embodiment, the installation end 323 of shielding tail pipe 32 is provided with the first radially outward outstanding mounting flange 321, utilizes multiple first connectors 33 of such as screw and so on to be each passed through the multiple through holes be arranged on the first mounting flange 321 and is arranged on connecting portion 313 by shielding tail pipe 32.In addition, between installation end 323 and connecting portion 313, be provided with the first sealing gasket 34, to improve the sealing between insulation tube connector 31 and shielding tail pipe 32.First connector 33 is each passed through the multiple through holes 341 be arranged on the first sealing gasket and is arranged on connecting portion 313 by shielding tail pipe 32.
In one embodiment, as Figure 4-Figure 6, connecting portion 313 is radially outward projected into outside outer tube 312 to form the second mounting flange 314, described second mounting flange 314 is arranged on annular bottom plate 2 by second connector 36 of such as screw and so on, thus whole compound tail pipe 3 is arranged on the arrival end of insulating sleeve 1 by annular bottom plate 2.Like this, in factory, shielding tail pipe 32 and insulation tube connector 31 can be fitted together, then to working site, insulation tube connector 31 is installed on annular bottom plate 2, simplify installation procedure.
The second sealing gasket 35 is provided with between second mounting flange 314 and annular bottom plate 2.Connecting portion 313 is provided with jut, annular bottom plate 2 is provided with the holding tank coordinated with jut, the second sealing gasket 35 and jut are all attached in holding tank, thus improve the sealing between the second mounting flange 314 and annular bottom plate 2.
Shielding tail pipe 32 is provided with the wire connecting portion 322 for connecting earth connection, like this can by whole insulation terminal assembly 100 ground connection.
As shown in Fig. 1,2 and 4, also comprise connect pedestal 4 according to the insulation terminal assembly 100 of a kind of exemplary embodiment of the present utility model, connect the arrival end that pedestal 4 is arranged on insulating sleeve 1, annular bottom plate 2 is arranged on the bottom connecting pedestal 4.
In one embodiment, connecting pedestal 4 is the unitary members formed by metal material.In the illustrated embodiment in which, connect pedestal 4 and comprise the 3rd mounting flange 41 and supplementary insulation pipe 42 that are integrally formed.3rd mounting flange 41 is formed on the base portion of supplementary insulation pipe 42.Supplementary insulation pipe 42 is connected with the arrival end of insulating sleeve 1, and a part for the arrival end of insulating sleeve 1 is inserted in supplementary insulation pipe 42.
In the embodiment shown in fig. 4, connect pedestal 4 and also comprise the multiple insulating strength muscle 43 be integrally formed with the 3rd mounting flange 41 and supplementary insulation pipe 42.Each insulating strength muscle 43 is connected respectively on the outer wall of the 3rd mounting flange 41 and the outer wall of supplementary insulation pipe 42, to improve the bond strength between the 3rd mounting flange 41 and supplementary insulation pipe 42.Multiple insulating strength muscle 43 distributes around the base portion uniform intervals of supplementary insulation pipe 42.
Fig. 7 shows the schematic perspective view of the connection pedestal 4 ' of the another kind of exemplary embodiment of the terminal assembly of insulation shown in Fig. 1.As shown in Figure 7, connect pedestal 4 ' and comprise the 3rd mounting flange 41 ' and the supplementary insulation pipe be integrally formed.Supplementary insulation pipe comprises the first pipe portion 42a, the second pipe portion 42c and the 3rd pipe portion 42b.First pipe portion 42a is positioned at one end near the 3rd mounting flange 41 ' of supplementary insulation pipe; Second pipe portion 42c is positioned at the other end away from the 3rd mounting flange 41 ' of supplementary insulation pipe; 3rd pipe portion 42b is between the first pipe portion 42a and the second pipe portion 42c.First pipe portion 42a has the first external diameter, and the second pipe portion 42c has the second external diameter being less than the first external diameter, and the 3rd pipe portion 42b has the gradual change external diameter being gradient to the second external diameter from the first external diameter.Second pipe portion 42c of supplementary insulation pipe is connected with the arrival end of insulating sleeve 1, and the second pipe portion 42c is inserted into the arrival end of insulating sleeve 1, such as, be threaded with insulating sleeve 1.Connect pedestal 4 ' and also comprise the multiple insulating strength muscle 43 ' be integrally formed with the 3rd mounting flange 41 ' and supplementary insulation pipe 42 '.3rd mounting flange 41 ' is formed with multiple installing hole 41a, and the 3rd mounting flange 41 ' can be connected on annular bottom plate 2 by the multiple bolts (not shown) through installing hole 41a.
Like this, do not need the 3rd larger mounting flange 41 of insulating sleeve 1 and diameter to match, and only need the second pipe portion 42c less with diameter to match, therefore, reduce the diameter of insulating sleeve 1, decrease the quantity of material manufacturing insulating sleeve 1, reduce manufacturing cost.
In addition, in previous embodiment of the present utility model, the bore of the lower part of supplementary insulation pipe is large compared with upper tube internal diameter, and the lower part of supplementary insulation pipe is just in time the place of electric field Relatively centralized, thus more effectively improve insulation service efficiency, and without the need to making equally large by whole supplementary insulation pipe and insulating sleeve 1, saved material.
In the illustrated embodiment in which, the internal diameter of insulating sleeve 1 is a bit larger tham the external diameter of the second pipe portion 42c of supplementary insulation pipe and is less than the external diameter of the first pipe portion 42a.The arrival end of insulating sleeve 1 is socketed in the second pipe portion 42c outside of supplementary insulation pipe 42 hermetically.
In the embodiment of an exemplary of the present utility model, connect pedestal 4 ' and can be made up of identical insulating material with insulating sleeve 1, thermal coefficient of expansion so between the two will be identical, therefore, is just not easy between the two to occur gap.In another kind of embodiment, connect pedestal 4 ' and also can be made up of metal material.
In the embodiment of an exemplary of the present utility model, insulating sleeve 1 is the winding pipe that the glass fibre that impregnated of epoxy resin by winding is made.Connecting pedestal 4 ' is the rolled-up stock that the glass fibre that impregnated of epoxy resin by compacting is made.In one embodiment, the arrival end of insulating sleeve 1 is wrapped on the second pipe portion 42c of supplementary insulation pipe hermetically, thus defines an overall hermetically-sealed construction, improves insulation terminal assembly air-tightness.
As shown in Figure 8, this cable 200 comprises the cable joint being positioned at its link, and cable joint comprises conductor cores 210, the internal insulating layer 220 be wrapped in conductor cores 210, the outer sheath layer 240 that is wrapped in the conductive shielding layer 230 on internal insulating layer 220 and is wrapped on conductive shielding layer 230.Therefore, before stube cable joint, first must remove one section of outer sheath layer 240 in one end of cable to be connected, to expose one section of conductive shielding layer 230, and then a part for the conductive shielding layer 230 exposed is removed, to expose an intersegmental part insulating barrier 220, finally again a part for the internal insulating layer 220 exposed is removed, to expose one section of conductor cores 210, thus to form cable joint to be connected.
In a kind of exemplary embodiment of the present utility model, as shown in Fig. 1,2 and 8, the stress cone 6 that insulation terminal assembly 100 also comprises supporting base 5 and is made up of elastomeric material.Supporting base 5 is arranged on the side contrary with compound tail pipe 3 of annular bottom plate 2, and extends in the inner space 12 of insulating sleeve 1; Stress cone 6 is arranged on described supporting base 5, and described stress cone 6 is at least socketed in the internal insulating layer 220 of the cable joint of described cable 200 and the adjacent position of conductive shielding layer 230.The electric charge that stress cone 6 can prevent from concentrating on internal insulating layer 220 and the adjacent position of conductive shielding layer 230 punctures insulating sleeve 1.
As Figure 1-3, also comprise according to the insulation terminal assembly 100 of a kind of exemplary embodiment of the present utility model and export conducting rod 7, described output conducting rod 7 comprises exit 71 and binding end 72.Described exit 71 stretches out from the inside of described insulating sleeve 1, binding end 72 to be arranged in the inner space 12 of described insulating sleeve 1 and to be connected with described exit 71, described binding end 72 is provided with engagement groove 721, and the conductor cores 210 of described cable 200 is partly inserted in described engagement groove 721.Conductor cores 210 is inserted in engagement groove 721, to guarantee that the stable electrical between conductor cores 210 with binding end 72 is connected in the mode of interfering.The position be connected with engagement groove 721 in conductor cores 210 is coated with fixture 9, to guarantee electrical connection therebetween further.
In the embodiment of an exemplary of the present utility model, insulation terminal assembly 100 also comprises high-tension shielding ring 8, and this high-tension shielding ring 8 is arranged on the outer wall of the port of export of insulating sleeve 1 removably.The electric field homogenizing that high-tension shielding ring 8 produces for making exit 71, prevents and concentrates electric discharge.
In the insulation terminal assembly of above-mentioned various embodiment of the present utility model, shielding tail pipe carries out electric screen to the cable entering insulating sleeve, and shielding tail pipe is carried out electric isolution with the annular bottom plate be made up of metal material by the tube connector that insulate.Like this, compound outer tube has the effect of supporting insulator, can reduce the size of the annular bottom plate for installing compound tail pipe, can simplify the structure of insulation terminal assembly, reduce cost.In addition, insulation tube connector can complete in factory with the assembling of shielding tail pipe, on-the-spot only need by insulation tube connector by screw to be connected with annular bottom plate just can, thus simplify the operational sequence of installing insulating terminal assembly.In addition, connect between pedestal and insulating sleeve and easily be combined with each other, and similar thermal expansion coefficient or identical between the two, therefore, be not easy between the two to occur gap, improve sealing property.
It will be appreciated by those skilled in the art that, embodiment described above is all exemplary, and those skilled in the art can make improvements, when the conflict of the structure described in various embodiment in not recurring structure or principle, independent assortment can be carried out.
Although some embodiments of this overall utility model design have been shown and explanation, those skilled in the art will appreciate that, when not deviating from principle and the spirit of this overall utility model design, can make a change these embodiments, and can carry out independent assortment when the conflict of the structure described in various embodiment in not recurring structure or principle, scope of the present utility model is with claim and their equivalents.

Claims (17)

1. insulate a terminal assembly, it is characterized in that, comprising:
Insulating sleeve, has arrival end and the port of export relative with described arrival end, in the inner space of described insulating sleeve, is filled with iknsulating liquid;
Annular bottom plate, is arranged on the arrival end of described insulating sleeve; And
Compound tail pipe, comprising:
Insulation tube connector, is arranged on described annular bottom plate; And
Shielding tail pipe, is communicated with described insulation tube connector, and the cable joint of cable is introduced the inner space of described insulating sleeve from the arrival end of described insulating sleeve through described shielding tail pipe and insulation tube connector.
2. insulation terminal assembly according to claim 1, is characterized in that, described insulation tube connector comprises:
Interior pipe;
Outer tube, is arranged on the outside of described interior pipe; And
Connecting portion, between the one end being connected to described interior pipe and one end of outer tube, the installation end of described shielding tail pipe is through the extremely described connecting portion of the recessed bond ing described inner and outer tubes.
3. insulation terminal assembly according to claim 2, it is characterized in that, the installation end of described shielding tail pipe is provided with the first radially outward outstanding mounting flange, and described shielding tail pipe is arranged on described connecting portion by the multiple through holes be arranged on described first mounting flange to utilize multiple first connector to be each passed through.
4. insulation terminal assembly according to claim 3, is characterized in that, is provided with the first sealing gasket between described installation end and described connecting portion.
5. insulation terminal assembly according to claim 2, is characterized in that, described connecting portion is radially outward projected into form the second mounting flange outside described outer tube, and described second mounting flange is arranged on described annular bottom plate.
6. insulation terminal assembly according to claim 5, is characterized in that, is provided with the second sealing gasket between described second mounting flange and annular bottom plate.
7. insulation terminal assembly according to claim 1, is characterized in that, described shielding tail pipe is provided with the wire connecting portion for connecting earth connection.
8. insulation terminal assembly according to claim 1, is characterized in that, also comprises connection pedestal, is arranged on the arrival end of described insulating sleeve, and described annular bottom plate is arranged on the bottom of described connection pedestal.
9. insulation terminal assembly according to claim 8, it is characterized in that, described connection pedestal comprises the 3rd mounting flange and supplementary insulation pipe that are integrally formed, and described supplementary insulation pipe is connected to the arrival end of described insulating sleeve, and described annular bottom plate is arranged on described 3rd mounting flange.
10. insulation terminal assembly according to claim 9, it is characterized in that, described connection pedestal also comprises the multiple insulating strength muscle be integrally formed with described 3rd mounting flange and described supplementary insulation pipe, each described insulating strength muscle is connected respectively on the outer wall of described 3rd mounting flange and the outer wall of described supplementary insulation pipe, to improve the bond strength between described 3rd mounting flange and described supplementary insulation pipe.
11. insulation terminal assemblies according to claim 9, is characterized in that, described supplementary insulation pipe comprises:
First pipe portion, is positioned at one end of close described 3rd mounting flange of described supplementary insulation pipe;
Second pipe portion, is positioned at the other end away from described 3rd mounting flange of described supplementary insulation pipe; With
3rd pipe portion, between described first pipe portion and described second pipe portion,
Wherein, described first pipe portion has the first external diameter, and described second pipe portion has the second external diameter being less than described first external diameter, and described 3rd pipe portion has the gradual change external diameter being gradient to described second external diameter from described first external diameter.
12. insulation terminal assemblies according to claim 11, is characterized in that,
The internal diameter of described insulating sleeve is a bit larger tham the external diameter in the second pipe portion of described supplementary insulation pipe and is less than the external diameter in described first pipe portion; And
The arrival end of described insulating sleeve is socketed in the second outside, pipe portion of described supplementary insulation pipe hermetically.
13. insulation terminal assemblies according to claim 12, is characterized in that, described connection pedestal is made up of identical material with described insulating sleeve.
14. insulation terminal assemblies according to any one in claim 1-13, is characterized in that,
The cable joint of described cable comprises: the outer sheath layer being wrapped in the internal insulating layer in conductor cores, being wrapped in the conductive shielding layer on internal insulating layer and being wrapped on conductive shielding layer,
Described insulation terminal assembly also comprises:
Supporting base, is arranged on the side contrary with described compound tail pipe of described annular bottom plate, and extends in the inner space of described insulating sleeve; And
Stress cone, is arranged on described supporting base, and described stress cone is at least socketed in the internal insulating layer of described cable and the adjacent position of conductive shielding layer.
15. insulation terminal assemblies according to claim 14, is characterized in that, also comprise output conducting rod, and described output conducting rod comprises:
Exit, described exit stretches out from the inside of described insulating sleeve; And
Binding end, be arranged on the inside of described insulating sleeve and be connected with described exit, described binding end is provided with engagement groove, and the conductor cores of described cable is inserted in described engagement groove.
16. insulation terminal assemblies according to claim 15, is characterized in that, also comprise high-tension shielding ring, described high-tension shielding ring is arranged on the outer wall of the port of export of described insulating sleeve removably, and around described exit.
17. insulation terminal assemblies according to any one in claim 1-13, is characterized in that, described insulating sleeve is the winding pipe made by being wound around the glass fibre that impregnated of epoxy resin.
CN201520654590.XU 2015-08-27 2015-08-27 Insulating terminal subassembly Expired - Fee Related CN205070381U (en)

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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
CN106300218A (en) * 2016-08-25 2017-01-04 北京中车赛德铁道电气科技有限公司 A kind of high tension cable plug-in and pull-off device with high-tension current inductor
CN106486958A (en) * 2015-08-27 2017-03-08 泰科电子(上海)有限公司 Insulation terminal assembly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106486958A (en) * 2015-08-27 2017-03-08 泰科电子(上海)有限公司 Insulation terminal assembly
CN106486958B (en) * 2015-08-27 2018-08-17 泰科电子(上海)有限公司 Insulate terminal assembly
US10236674B2 (en) 2015-08-27 2019-03-19 Tyco Electronics (Shanghai) Co. Ltd. Insulation termination assembly
CN106300218A (en) * 2016-08-25 2017-01-04 北京中车赛德铁道电气科技有限公司 A kind of high tension cable plug-in and pull-off device with high-tension current inductor

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