CN204928070U - Insulating copper shell of 220kV epoxy type - Google Patents
Insulating copper shell of 220kV epoxy type Download PDFInfo
- Publication number
- CN204928070U CN204928070U CN201520728811.3U CN201520728811U CN204928070U CN 204928070 U CN204928070 U CN 204928070U CN 201520728811 U CN201520728811 U CN 201520728811U CN 204928070 U CN204928070 U CN 204928070U
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- copper
- little
- epoxy
- sheathing flange
- 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.)
- Active
Links
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model provides an insulating copper shell of 220kV epoxy type belongs to the electrical technology field. This insulating copper shell of 220kV epoxy type includes: left side copper pipe comprises a big brass and first little copper pipe, and a big brass goes up seal installation has left copper sheathing flange, and big brass one side is equipped with the left side wiring end that is close to first little copper pipe and sets up, right side copper pipe comprises the 2nd big brass and the little copper pipe of second, and the 2nd big brass goes up seal installation has right copper sheathing flange, and the 2nd big brass one side is equipped with the right side wiring end that sets up near the little copper of second pipe, and the homonymy setting is held with left side wiring to wiring end in the right side, the epoxy insulating part, be that the annular sets up and by epoxy resin material moulding by casting, the epoxy insulating part sets up between left copper sheathing flange and right copper sheathing flange and three sealing connection. This insulating copper shell of 220kV epoxy type has reasonable in design, advantage that electric insulation performance is stable.
Description
Technical field
The utility model belongs to technical field of electricity, relates to a kind of 220kV epoxy type insulated copper shell, particularly a kind of 220kV epoxy type insulated copper shell being applicable to intermediate joint of electric cable.
Background technology
In daily life, when growing the installation of distance wiring or power cable, the means connected together by two power cables usually can be adopted to improve the length of cable.
In prior art, the general connection work adopting intermediate joint of electric cable to realize power cable, is provided with copper shell, to realize electric insulation outside intermediate joint of electric cable.But existing most of copper shell mechanism design is unreasonable, and its electric insulation effect is undesirable, reduces the stability of power cable work.
In sum, be solve the deficiency on existing copper shell mechanism, need to design a kind of reasonable in design, 220kV epoxy type insulated copper shell that electrical insulation properties is stable.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of reasonable in design, 220kV epoxy type insulated copper shell that electrical insulation properties is stable.
The purpose of this utility model realizes by following technical proposal: a kind of 220kV epoxy type insulated copper shell, comprising:
Left copper pipe, be made up of the first copper pipe be connected as a single entity and the first little copper pipe, the diameter of described first copper pipe is greater than the diameter of the first little copper pipe, described first copper pipe is sealed and installed with left copper sheathing flange away from one end of the first little copper pipe, and described first copper pipe side is provided with the left terminals arranged near the first little copper pipe and the left encapsulating mouth arranged near left copper sheathing flange;
Left insulating barrier, in the circumferential lateral surface being sealed and coated on left copper pipe and described left encapsulating mouth through left insulating barrier;
Right copper pipe, be made up of the second largest copper pipe be connected as a single entity and the second little copper pipe, the diameter of described second largest copper pipe is greater than the diameter of the second little copper pipe, described second largest copper pipe is sealed and installed with away from one end of the second little copper pipe the right copper sheathing flange be oppositely arranged with left copper sheathing flange, described second largest copper pipe side is provided with the right terminals arranged near the second little copper pipe and the right encapsulating mouth arranged near right copper sheathing flange, and described right terminals and left terminals homonymy are arranged;
Right insulating barrier, in the circumferential lateral surface being sealed and coated on right copper pipe and described right encapsulating mouth through right insulating barrier;
Epoxy insulator, is arranged ringwise and by epoxide resin material moulding by casting, described epoxy insulator is arranged between left copper sheathing flange and right copper sheathing flange and three is tightly connected.
As further improvement of the utility model, described left encapsulating mouth and right encapsulating mouth are all set to "T"-shaped counterbore, and on each encapsulating mouth, be all movably installed with the "T"-shaped encapsulating lid can closing corresponding encapsulating mouth.
As further improvement of the utility model, the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.
As further improvement of the utility model, described left terminals and right terminals all in " J " shape arrange and the two opening towards consistent, all be provided with grounding leg in each terminals, described grounding leg is inner to be connected with corresponding large copper pipe, and it is outside that corresponding terminals are exposed in described grounding leg outer end.
As further improvement of the utility model, the lateral surface of described epoxy insulator, left copper sheathing flange, right copper sheathing flange three flushes, each copper sheathing flange is all connected by bolt and epoxy insulator, and two end faces of described epoxy insulator are provided with sealing ring with also sealing respectively between corresponding copper sheathing flange.
As further improvement of the utility model, each little copper pipe is all arranged in syllogic, near one section of corresponding large copper pipe with all arrange in closing up away from one end of corresponding large copper pipe, the middle one section setting in cylinder.
As further improvement of the utility model, each insulating barrier all adopts rotational molding technique to make.
Based on technique scheme, the utility model embodiment at least can produce following technique effect: overall construction design rationally and compact in design, power cable junction and external environment completely cut off by copper shell, improve cable safety in utilization, the obtained epoxy insulator of epoxide resin material is adopted to coordinate closely with each housing, ensure that the sealing property of copper shell, its electrical insulation properties is stablized, ensure that the reliability of power cable work.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model one preferred embodiment.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
In figure, 10, left copper pipe; 11, first copper pipe; 111, left encapsulating mouth; 12, the first little copper pipe; 21, left copper sheathing flange; 22, right copper sheathing flange; 31, left terminals; 32, right terminals; 41, left insulating barrier; 42, right insulating barrier; 50, right copper pipe; 51, second largest copper pipe; 511, right encapsulating mouth; 52, the second little copper pipe; 60, epoxy insulator; 70, encapsulating lid; 80, grounding leg; 90, bolt; 100, sealing ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
The utility model protects a kind of 220kV epoxy type insulated copper shell, is applicable to intermediate joint of electric cable, is particularly useful for 220kV single-core crosslinked polyethylene insulation metal sheath intermediate joint of electric cable.
Existing most of copper shell mechanism design is unreasonable, and its electric insulation effect is undesirable, reduces the stability of power cable work.Therefore, it is necessary for designing a kind of more rational 220kV epoxy type insulated copper shell.
Below in conjunction with the elaboration that Fig. 1 to Fig. 2 carries out specifically to the technical scheme that the utility model provides.
As shown in Figure 1 to Figure 2, this 220kV epoxy type insulated copper shell comprises:
Left copper pipe 10, be made up of the first copper pipe 11 be connected as a single entity and the first little copper pipe 12, the diameter of first copper pipe 11 is greater than the diameter of the first little copper pipe 12, first copper pipe 11 is sealed and installed with left copper sheathing flange 21 away from one end of the first little copper pipe 12, and first copper pipe 11 side is provided with the left terminals 31 arranged near the first little copper pipe 12 and the left encapsulating mouth 111 arranged near left copper sheathing flange 21;
Left insulating barrier 41, in the circumferential lateral surface being sealed and coated on left copper pipe 10 and left encapsulating mouth 111 through left insulating barrier 41;
Right copper pipe 50, be made up of the second largest copper pipe 51 be connected as a single entity and the second little copper pipe 52, the diameter of second largest copper pipe 51 is greater than the diameter of the second little copper pipe 52, second largest copper pipe 51 is sealed and installed with away from one end of the second little copper pipe 52 the right copper sheathing flange 22 be oppositely arranged with left copper sheathing flange 21, second largest copper pipe 51 side is provided with the right terminals 32 arranged near the second little copper pipe 52 and the right encapsulating mouth 511 arranged near right copper sheathing flange 22, and right terminals 32 are arranged with left terminals 31 homonymy;
Right insulating barrier 42, in the circumferential lateral surface being sealed and coated on right copper pipe and right encapsulating mouth 511 through right insulating barrier 42;
Epoxy insulator 60, is arranged ringwise and by epoxide resin material moulding by casting, epoxy insulator 60 is arranged between left copper sheathing flange 21 and right copper sheathing flange 22 and three is tightly connected.
In the present case, main three the part compositions of copper shell, be respectively left copper pipe 10, right copper pipe 50 and the epoxy insulator 60 for connecting left copper pipe 10, right copper pipe 50, in use, first left copper pipe 10 and right copper pipe 50 are each passed through two power cable ends to be connected, are carrying out cable connection and after insulating, left copper pipe 10 be connected with right copper pipe 50.
This 220kV epoxy type insulated copper shell in an initial condition, overall construction design rationally and compact in design, power cable junction and external environment completely cut off by copper shell, improve cable safety in utilization, the obtained epoxy insulator 60 of epoxide resin material is adopted to coordinate closely with each housing, ensure that the sealing property of copper shell, its electrical insulation properties is stablized, ensure that the reliability of power cable work.
It should be added that: the epoxy insulator 60 in this case is by epoxide resin material moulding by casting.Epoxy resin is the organic compound containing two or more epoxide groups in general reference molecule, and except indivedual, their relative molecular mass is not high.The molecular structure of epoxy resin be with in strand containing active epoxide group for its feature, epoxide group can be positioned at the end of strand, centre or structure circlewise.Due in molecular structure containing active epoxide group, make they can with polytype curing agent generation cross-linking reaction and formed and insoluble there is the cancellated high polymer of three-dimensional.Macromolecular compound containing epoxide group in all molecular structures is referred to as epoxy resin.
Epoxide resin material after solidification has good physics, chemical property, and it has excellent adhesive strength to the surface of metal and nonmetallic materials, and dielectric property are good, set shrinkage is little, product size good stability, and hardness is high, pliability is better, to alkali and most of solvent-stable.Such epoxy insulator 60 vibrational power flow, makes epoxy insulator 60 be connected closely with each housing, greatly improves the electrical insulation properties of copper shell, according to actual needs, epoxide resin material can be replaced with insulating material.
This copper shell is arranged on single-core cable joint, and its encapsulating mouth is used for inner space insulating material (as waterproof insulation glue) being poured into copper shell, with attached cable transition joint and copper shell.And terminals are for connecting earth connection and earth connection being connected nigh earth electrode, ensure stability and the reliability of work.
In utility model; this 220kV epoxy type insulated copper shell is particularly useful for 220kV single-core crosslinked polyethylene insulation metal sheath intermediate joint of electric cable; have and to connect high-tension cable metal sheath or the effect of segmentation, this copper shell also has transition joint is played to electric insulation, to be connected and the effect of mechanical protection to external seal, over the ground.
When this 220kV epoxy type insulated copper shell is installed, can fluid sealant be poured into a mould, cable trough can be directly installed on interior or direct buried, fiberglass waterproof case also can be coordinated to use together, more preferably result of use can be reached.
Concrete, for making encapsulating work convenient, efficient, preferred left encapsulating mouth 111 and right encapsulating mouth 511 are all set to "T"-shaped counterbore, and on each encapsulating mouth, being all movably installed with the "T"-shaped encapsulating lid 70 can closing corresponding encapsulating mouth, encapsulating lid 70 ensure that sealing also plays the effects such as dust-tight.
Preferably, the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.
There is identical shield effectiveness in the space that the structural design of identical wall thickness makes each copper pipe be formed, ensure that electrical insulation properties, favourable to the shielding at whole cable joint position; The vibrational power flow that outer field insulating barrier is thicker then improves shield effectiveness further, ensure that cable working stability.
Preferably, left terminals 31 and right terminals 32 all arrange in " J " shape and the two opening towards consistent, be all provided with grounding leg 80 in each terminals, grounding leg 80 the inner and corresponding large copper pipe are connected, and it is outside that corresponding terminals are exposed in grounding leg 80 outer end.
Grounding leg 80 while connect with corresponding large copper pipe, another side, for connecting earth connection, makes cable reliable operation; Further, be arranged so that buried and connection work is convenient towards consistent terminals.
Preferably, the lateral surface of epoxy insulator 60, left copper sheathing flange 21, right copper sheathing flange 22 three flushes, each copper sheathing flange is all connected by bolt 90 and epoxy insulator 60, and two end faces of epoxy insulator 60 are provided with sealing ring 100 with also sealing respectively between corresponding copper sheathing flange.
Such vibrational power flow, improves the effect that is tightly connected between two housings further, ensure that the electrical insulation properties of copper shell, and all parts dismounting also facilitates.
Preferably, for making copper pipe shield effectiveness better, each little copper pipe being set and all arranging in syllogic, near one section of corresponding large copper pipe with all arrange in closing up away from one end of corresponding large copper pipe, the middle one section setting in cylinder.
As further improvement, in preferred this case, each insulating barrier all adopts rotational molding technique to make, easy to process, insulating barrier is connected more reliable with copper pipe.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. a 220kV epoxy type insulated copper shell, is characterized in that: comprising:
Left copper pipe, be made up of the first copper pipe be connected as a single entity and the first little copper pipe, the diameter of described first copper pipe is greater than the diameter of the first little copper pipe, described first copper pipe is sealed and installed with left copper sheathing flange away from one end of the first little copper pipe, and described first copper pipe side is provided with the left terminals arranged near the first little copper pipe and the left encapsulating mouth arranged near left copper sheathing flange;
Left insulating barrier, in the circumferential lateral surface being sealed and coated on left copper pipe and described left encapsulating mouth through left insulating barrier;
Right copper pipe, be made up of the second largest copper pipe be connected as a single entity and the second little copper pipe, the diameter of described second largest copper pipe is greater than the diameter of the second little copper pipe, described second largest copper pipe is sealed and installed with away from one end of the second little copper pipe the right copper sheathing flange be oppositely arranged with left copper sheathing flange, described second largest copper pipe side is provided with the right terminals arranged near the second little copper pipe and the right encapsulating mouth arranged near right copper sheathing flange, and described right terminals and left terminals homonymy are arranged;
Right insulating barrier, in the circumferential lateral surface being sealed and coated on right copper pipe and described right encapsulating mouth through right insulating barrier;
Epoxy insulator, is arranged ringwise and by epoxide resin material moulding by casting, described epoxy insulator is arranged between left copper sheathing flange and right copper sheathing flange and three is tightly connected.
2. 220kV epoxy type insulated copper shell according to claim 1, is characterized in that: described left encapsulating mouth and right encapsulating mouth are all set to "T"-shaped counterbore, and on each encapsulating mouth, is all movably installed with the "T"-shaped encapsulating lid can closing corresponding encapsulating mouth.
3. 220kV epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.
4. 220kV epoxy type insulated copper shell according to claim 1 and 2, it is characterized in that: described left terminals and right terminals all in " J " shape arrange and the two opening towards consistent, all grounding leg is installed in each terminals, described grounding leg is inner to be connected with corresponding large copper pipe, and it is outside that corresponding terminals are exposed in described grounding leg outer end.
5. 220kV epoxy type insulated copper shell according to claim 1 and 2, it is characterized in that: the lateral surface of described epoxy insulator, left copper sheathing flange, right copper sheathing flange three flushes, each copper sheathing flange is all connected by bolt and epoxy insulator, and two end faces of described epoxy insulator are provided with sealing ring with also sealing respectively between corresponding copper sheathing flange.
6. 220kV epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: each little copper pipe is all arranged in syllogic, near one section of corresponding large copper pipe with all arrange in closing up away from one end of corresponding large copper pipe, the middle one section setting in cylinder.
7. 220kV epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: each insulating barrier all adopts rotational molding technique to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728811.3U CN204928070U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of 220kV epoxy type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728811.3U CN204928070U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of 220kV epoxy type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928070U true CN204928070U (en) | 2015-12-30 |
Family
ID=54977168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728811.3U Active CN204928070U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of 220kV epoxy type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928070U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445088A (en) * | 2019-07-19 | 2019-11-12 | 深圳供电局有限公司 | Cable intermediate head protective housing |
-
2015
- 2015-09-18 CN CN201520728811.3U patent/CN204928070U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110445088A (en) * | 2019-07-19 | 2019-11-12 | 深圳供电局有限公司 | Cable intermediate head protective housing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104821540A (en) | Protective pipe and intermediate connection section of power cable | |
| CN201075655Y (en) | Integral prefabricated type middle joint | |
| CN204947562U (en) | 110kV epoxy type insulated copper shell | |
| CN204928070U (en) | Insulating copper shell of 220kV epoxy type | |
| CN201303242Y (en) | Plug-in prefabricated connector for middle and low voltage power cable | |
| CN201663409U (en) | High voltage-withstanding bus duct for wind power/nuclear power/hydroelectric power | |
| CN210607837U (en) | High-pressure water-tight electric connector | |
| CN109036808A (en) | Composite insulation structure of air-core reactor | |
| CN203481772U (en) | Waterproof intermediate joint for butt joint of power cables | |
| CN204928072U (en) | 110kV straight joint copper shell | |
| CN102623913B (en) | Underground box-type high voltage transformation equipment | |
| CN201063433Y (en) | Integral compound full sealing power cable shielding layer earth casing | |
| CN204928069U (en) | Insulating copper shell of fire -retardant epoxy type of 110kV | |
| CN204928014U (en) | Direct grounding box of formula of burying | |
| CN203398736U (en) | Cross-linked cable intermediate joint protection casing | |
| CN205028771U (en) | Outdoor measurement combination mutual -inductor device of three -sphase four -wire system | |
| CN207320357U (en) | A kind of pre-branched cable | |
| CN208093172U (en) | A kind of photovoltaic DC common transmission cable | |
| CN202019148U (en) | Underground buried box type high-voltage transformation equipment | |
| CN207475136U (en) | High current pouring bus groove | |
| CN104616785A (en) | High-temperature-resistant moisture-proof industrial cable | |
| CN105219024A (en) | 220kV epoxy type insulated copper shell | |
| CN204927546U (en) | Glass steel shell | |
| CN201781188U (en) | High-voltage wire inlet and outlet sleeve | |
| CN104821538B (en) | Outside protection pipe, inside protection pipe and power cable middle interconnecting piece |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315137 Zhejiang province Ningbo City Yunlong Industrial Zone Yinzhou District Yunlong Town Cloud Hui Lu No. 211 Patentee after: Ningbo East power Polytron Technologies Inc Address before: 315137 Zhejiang province Ningbo City Yunlong Industrial Zone Yinzhou District Yunlong Town Cloud Hui Lu No. 211 Patentee before: NINGBO JOHOST CABLE ACCESSORIES CO., LTD. |