CN203218847U - A prefabricated outdoor terminal - Google Patents
A prefabricated outdoor terminal Download PDFInfo
- Publication number
- CN203218847U CN203218847U CN201320222009.8U CN201320222009U CN203218847U CN 203218847 U CN203218847 U CN 203218847U CN 201320222009 U CN201320222009 U CN 201320222009U CN 203218847 U CN203218847 U CN 203218847U
- Authority
- CN
- China
- Prior art keywords
- insulating sleeve
- stress cone
- outdoor terminal
- cable
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000009413 insulation Methods 0.000 claims abstract description 38
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims 1
- 239000012790 adhesive layer Substances 0.000 claims 1
- 239000010951 brass Substances 0.000 claims 1
- 238000009422 external insulation Methods 0.000 description 33
- 230000035882 stress Effects 0.000 description 32
- 239000000463 material Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 description 4
- 239000004703 cross-linked polyethylene Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000260 silastic Polymers 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Cable Accessories (AREA)
Abstract
本实用新型公开了一种预制式户外终端，包括电缆主绝缘套管、应力锥和外绝缘套管；所述电缆主绝缘套管和所述应力锥均设置在所述外绝缘套管的内部，分别位于外绝缘套管内部的头部和尾部；所述外绝缘套管分别与所述电缆主绝缘套管和应力锥过盈配合；所述应力锥为锥形套管，与电缆主绝缘套管套接；所述外绝缘套管为锥形套管，所述外绝缘套管的内表面与应力锥的外表面配合。本实用新型提供的预制式户外终端，采用应力锥结构可以防止电缆主绝缘套管在外绝缘套管松动或是脱落。
The utility model discloses a prefabricated outdoor terminal, which comprises a cable main insulating sleeve, a stress cone and an outer insulating sleeve; the cable main insulating sleeve and the stress cone are both arranged inside the outer insulating sleeve , respectively located at the head and tail of the outer insulating sleeve; the outer insulating sleeve is interference fit with the cable main insulating sleeve and the stress cone respectively; the stress cone is a tapered sleeve, which is insulated from the main cable insulation The bushing is socketed; the outer insulating bushing is a tapered bushing, and the inner surface of the outer insulating bushing matches the outer surface of the stress cone. The prefabricated outdoor terminal provided by the utility model adopts a stress cone structure, which can prevent the main insulating sleeve of the cable from loosening or falling off in the outer insulating sleeve.
Description
Technical field
The utility model relates to power equipment accessory field, relates in particular to a kind of prefabricated outdoor terminal.
Background technology
In power cable outdoor terminal, especially at present the prefabricated outdoor terminal that generally uses is the structural shape of integral prefabricated insulation, the prefabricated outdoor terminal of this structure, it comprises cable main insulation sleeve pipe and external insulation casing pipe, insulating compound, wrapped material etc., but in this structure, often in the process that the two ends cable stretches, cable is pulled out external insulation casing pipe by binding post with cable main insulation sleeve pipe, at this moment, cable main insulation sleeve pipe is loosening or come off at external insulation casing pipe easily, cause cable main insulation sleeve pipe can not stable being fixed in the external insulation casing pipe, simultaneously because the loosening decreasing insulating that causes brings infringement for the prefabricated outdoor terminal.
The utility model content
The purpose of this utility model is to provide a kind of prefabricated outdoor terminal, to address the above problem.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of prefabricated outdoor terminal comprises cable main insulation sleeve pipe, stress cone and external insulation casing pipe;
Described cable main insulation sleeve pipe and described stress cone all are arranged on the inside of described external insulation casing pipe, lay respectively at head and the afterbody of external insulation casing pipe inside; Described external insulation casing pipe respectively with described cable main insulation sleeve pipe and stress cone interference fit; Described stress cone is taper, with the socket of cable main insulation sleeve pipe; Described external insulation casing pipe is taper, and the inner surface of described external insulation casing pipe cooperates with the outer surface of stress cone.
Compared with prior art, the advantage of the utility model embodiment is:
A kind of prefabricated outdoor terminal that the utility model provides, wherein, described stress cone is taper, with the socket of cable main insulation sleeve pipe, and the outer surface of the described cable main insulation sleeve pipe of fitting; Described external insulation casing pipe is taper, and the inner surface of described external insulation casing pipe cooperates with the outer surface of stress cone.In said structure, external insulation casing pipe compressive stres awl, the same compressive deformation of stress cone, and then compress the outer surface of cable main insulation sleeve pipe, after stress cone is subjected to horizontal pull, stress cone produces the minor levels displacement, in producing the microdisplacement process, stress cone separates with cable main insulation sleeve pipe, stress cone with pyramidal structure moves right, and the inner surface of the external insulation casing pipe that the inclined-plane of stress cone is mated (inclined-plane that namely matches) is pressure-bearing mutually, and the inner surface of external insulation casing pipe will stop stress cone to continue slippage to the right, thereby can play the effect that compresses effectively like this, prevent that cable main insulation sleeve pipe is loosening or come off at external insulation casing pipe.
Description of drawings
The structural representation of the prefabricated outdoor terminal that Fig. 1 provides for the utility model embodiment one;
The stube cable line of the prefabricated outdoor terminal that Fig. 2 provides for the utility model embodiment one and the overall structure schematic diagram of elbow type connect-disconnect plug..
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one
Referring to Fig. 1 and Fig. 2, the utility model embodiment one provides a kind of prefabricated outdoor terminal, comprises cable main insulation sleeve pipe 1, stress cone 2 and external insulation casing pipe 3;
Cable main insulation sleeve pipe 1 and stress cone 2 all are arranged on the inside of external insulation casing pipe 3, lay respectively at head (right-hand member of external insulation casing pipe among Fig. 1, namely the taper external insulation casing pipe than small end) and the afterbody (left end of external insulation casing pipe among Fig. 1) of external insulation casing pipe; External insulation casing pipe 3 respectively with cable main insulation sleeve pipe 1 and stress cone 2 interference fit;
Stress cone is taper, with the socket of cable main insulation sleeve pipe;
External insulation casing pipe 3 is taper, and the inner surface of external insulation casing pipe 3 cooperates with the outer surface of stress cone 2.
Preferably, stress cone comprises electric conductor and insulator,
Wherein, stress cone can be made by silastic material.It is when insulation shield is cut off that stress cone mainly acts on, play the effect of uniform electric field and reinforced insulation out of doors in the terminal, also provide essential thrust to the surface of cable simultaneously, to improve terminal integral insulation level, stress cone is the critical component of outdoor terminal.
Further, the prefabricated outdoor terminal also comprises heat-shrink tube 4;
One end of heat-shrink tube stretches into external insulation casing pipe, and with the stress cone socket, the other end stretches out external insulation casing pipe.
Further, the junction of stress cone and heat-shrink tube also is provided with the glue-line 5 that blocks water.
Preferably, external insulation casing pipe 3 comprises insulating sleeve body 31 and cluster parachute 32;
Cluster parachute is disposed on the insulating sleeve body.
Preferably, cluster parachute is circular.
Preferably, external insulation casing pipe is silicone rubber sleeve.
Preferably, stress cone is silicone rubber sleeve.
Further, the prefabricated outdoor terminal also comprises copper adapter 7;
Copper is taken over 7 and is connected with the core of cable.
Preferably, the thickness of external insulation casing pipe is 5～6mm.
Need to prove that the prefabricated outdoor terminal comprises cable main insulation sleeve pipe and stress cone, external insulation casing pipe, cable main insulation sleeve pipe is arranged on external insulating sleeve inside.Cable main insulation sleeve pipe is used for penetrating cable core; cable main insulation sleeve pipe and external insulating sleeve composition have the structure of double hyer insulation protective effect; external insulation casing pipe one end stretches out the tubular insulating body, ensures that so electric prefabricated outdoor terminal junction also can obtain waterproof and insulation protection effectively.
In the utility model embodiment, stress cone is made by silastic material.It is when insulation shield is cut off that stress cone mainly acts on, play the effect of uniform electric field and reinforced insulation out of doors in the terminal, also provide essential thrust to the surface of cable simultaneously, to improve terminal integral insulation level, stress cone is the critical component of outdoor terminal.Because silicon rubber has higher elasticity, can fit tightly with cable surface, shares a common fate with cable, ageing resistance, the heat-resisting quantity of material are better, and bigger pressure is provided simultaneously, guarantee the tight contact of shield semiconductors.
Need to prove, during installation, only need size according to the rules that cable is carried out stripping.The stress cone of prefabricated outdoor terminal and cable are compound to be one, has solved the electric stress concentration problem at cable external shield face place effectively, guarantees that insulation is reliable, security of operation.
Referring to Fig. 2, illustrate, the prefabricated outdoor terminal that the utility model embodiment provides, for example be mainly used in cable A(: crosslinked polyethylene insulated aerial cable) with overhead wire between be connected, ensure the stable transfer of electric energy, can overlap the power transmission line annex thereby constitute one with cable A and elbow type connect-disconnect plug B and the supporting use of watertight suspended insulated guide wire C of following structure.
Watertight suspended insulated guide wire C is 8.7/15kV watertight suspended insulated guide wire.
Wherein, 8.7/15kV watertight suspended insulated guide wire has following structure:
Its principle of watertight suspended insulated guide wire is filling semiconducting insulation material in the space between the concentric stranding conductor, can prevent that rainwater from longitudinally infiltrating conductor.
Wherein, cable A is the 8.7/15kV crosslinked polyethylene insulated aerial cable, has following structure:
Rated voltage 10kV aerial insulated cable meets the GB14049 national standard and has excellent electric and mechanical performance.The crosslinked polyethylene that insulation is adopted is compared with fire-resistant PVC Insulation Material, and insulation resistance greater than PVC material 103-104 doubly when people and animals or trees contact under atmospheric conditions, can be guaranteed safety.The application of interior semi-conductive layer can make conductor and insulation seamless, under higher electric field, does not cause electric discharge phenomena.Its superior light aging resisting, atmospheric aging performance have guaranteed the quality of cable.
Concrete connected mode is: prefabricated outdoor terminal and elbow type connect-disconnect plug are installed in the two ends of crosslinked polyethylene insulated aerial cable respectively, copper tip on the prefabricated outdoor terminal is directly installed on the lightning arrester place, and elbow type connect-disconnect plug directly inserts on the special-purpose pole transformer.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320222009.8U CN203218847U (en) | 2013-04-26 | 2013-04-26 | A prefabricated outdoor terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320222009.8U CN203218847U (en) | 2013-04-26 | 2013-04-26 | A prefabricated outdoor terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218847U true CN203218847U (en) | 2013-09-25 |
Family
ID=49208350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320222009.8U Expired - Lifetime CN203218847U (en) | 2013-04-26 | 2013-04-26 | A prefabricated outdoor terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703095A (en) * | 2016-02-25 | 2016-06-22 | 杨攀 | Cable triadius adapter |
-
2013
- 2013-04-26 CN CN201320222009.8U patent/CN203218847U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703095A (en) * | 2016-02-25 | 2016-06-22 | 杨攀 | Cable triadius adapter |
| CN105703095B (en) * | 2016-02-25 | 2019-05-10 | 衢州市联橙环保科技有限公司 | A kind of cable trident adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |