CN204928072U - 110kV straight joint copper shell - Google Patents
110kV straight joint copper shell Download PDFInfo
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- CN204928072U CN204928072U CN201520728338.9U CN201520728338U CN204928072U CN 204928072 U CN204928072 U CN 204928072U CN 201520728338 U CN201520728338 U CN 201520728338U CN 204928072 U CN204928072 U CN 204928072U
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Abstract
The utility model provides a 110kV straight joint copper shell belongs to the electrical technology field. This 110kV straight joint copper shell includes: left side copper pipe comprises a big brass and first little copper pipe, and a big brass goes up seal installation has flange joint spare, and first little copper pipe one side is equipped with the wiring end, right side copper pipe comprises the 2nd big brass and the little copper pipe of second, and the 2nd big brass's length is greater than a big brass's length, and the 2nd big brass goes up seal installation has copper sheathing flange, copper sheathing flange and flange joint spare sealing connection, each little copper guan jun is four segment structure settings, and towards the orientation of keeping away from corresponding big brass gradually, the first section of this little copper pipe and third duanjun are the setting of closing up, and the second section and the fourth duanjun of this little copper pipe are the drum setting, and the wiring end sets up on the second segment structure that the first little copper of the aforesaid was managed. This 110kV straight joint copper shell has the advantage that the leakproofness is good, electric insulation performance is stable.
Description
Technical field
The utility model belongs to technical field of electricity, relates to a kind of 110kV straight coupling copper shell, particularly a kind of 110kV straight coupling 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, 110kV straight coupling copper shell that good airproof performance, electrical insulation properties are 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, 110kV straight coupling copper shell that good airproof performance, electrical insulation properties are stable.
The purpose of this utility model realizes by following technical proposal: a kind of 110kV straight coupling 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, and described first copper pipe is sealed and installed with flange connector away from one end of the first little copper pipe, and described first little copper pipe side is provided with terminals;
Left insulating barrier, is sealed and coated in the circumferential lateral surface of left copper pipe;
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 length of described second largest copper pipe is greater than the length of first 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 the copper sheathing flange that arrange corresponding to flange connector away from one end of the second little copper pipe, and described copper sheathing flange and flange connector are tightly connected;
Right insulating barrier, is sealed and coated in the circumferential lateral surface of right copper pipe;
Each little copper pipe is all arranged in four segment structures, towards gradually away from the direction of corresponding large copper pipe, the first paragraph of this little copper pipe and the 3rd section are all arranged in closing in, and the second segment of this little copper pipe and the 4th section of all setting in cylinder, described terminals are arranged in the second segment structure of above-mentioned first little copper pipe.
As further improvement of the utility model, described first copper pipe and the second little copper pipe are copper tube, and described first little copper pipe and second largest copper pipe are brass tube.
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, the L-shaped setting of described terminals, is provided with grounding leg in terminals, and described grounding leg is red copper bar, and described grounding leg the inner is connected with the first little copper pipe, and terminals outside is exposed in described grounding leg outer end.
As of the present utility model another improve, the joint of described copper sheathing flange and flange connector also seals and is provided with sealing ring and sealing circle is arranged on flange connector.
As another improvement of the present utility model, each insulating barrier all adopts rotational molding technique to make.
As another improvement of the present utility model, described second largest copper pipe offers at least two encapsulating mouths, described encapsulating mouth is through right insulating barrier.
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 copper pipe of left copper pipe and right copper pipe coordinates closely, and the two constitutes the shell of through type, ensure that the sealing property of copper shell, make global copper housing shroud better effects if, 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.
In figure, 10, left copper pipe; 11, first copper pipe; 12, the first little copper pipe; 21, flange connector; 22, copper sheathing flange; 30, terminals; 41, left insulating barrier; 42, right insulating barrier; 50, right copper pipe; 51, second largest copper pipe; 511, encapsulating mouth; 52, the second little copper pipe; 60, grounding leg; 70, 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 110kV straight coupling copper shell, is applicable to intermediate joint of electric cable, is particularly useful for 110kV 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 110kV straight coupling copper shell.
Below in conjunction with the elaboration that Fig. 1 carries out specifically to the technical scheme that the utility model provides.
As shown in Figure 1, this 110kV straight coupling 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 flange connector 21 away from one end of the first little copper pipe 12, and the first little copper pipe 12 side is provided with terminals 30;
Left insulating barrier 41, is sealed and coated in the circumferential lateral surface of left copper pipe 10;
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 length of second largest copper pipe 51 is greater than the length of first copper pipe 11, 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 the copper sheathing flange 22 that arrange corresponding to flange connector 21 away from one end of the second little copper pipe 52, and copper sheathing flange 22 and flange connector 21 are tightly connected;
Right insulating barrier 42, is sealed and coated in the circumferential lateral surface of right copper pipe;
Each little copper pipe is all arranged in four segment structures, towards gradually away from the direction of corresponding large copper pipe, the first paragraph of this little copper pipe and the 3rd section are all arranged in closing in, and the second segment of this little copper pipe and the 4th section of all setting in cylinder, terminals 30 are arranged in the second segment structure of above-mentioned first little copper pipe 12.Little copper pipe layout like this its objective is that to make copper pipe shield effectiveness better.
In the present case, the main left copper pipe 10 of copper shell, right copper pipe 50 two part composition, the Hermetical connecting structure that copper sheathing flange 22 and flange connector 21 are formed is for being connected left copper pipe 10 and 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 110kV straight coupling 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 copper pipe of left copper pipe 10 and right copper pipe 50 coordinates closely, and the two constitutes the shell of through type, ensure that the sealing property of copper shell, make global copper housing shroud better effects if, its electrical insulation properties is stablized, ensure that the reliability of power cable work.
In this case, terminals 30 arrange ingenious, make copper shell layout more reasonable, and terminals 30 are for connecting earth connection and earth connection being connected nigh earth electrode, ensure stability and the reliability of work.
In utility model; this 110kV straight coupling copper shell is particularly useful for 110kV 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 110kV straight coupling 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.
Preferably, first copper pipe 11 and the second little copper pipe 52 are copper tube, and the first little copper pipe 12 and second largest copper pipe 51 are brass tube.Red copper is industrial pure copper, and brass is alloying metal, and the two also exists the difference in hardness and intensity, its performance is also variant, the vibrational power flow adopting copper tube and brass tube to cooperatively interact in this case, designs ingenious, and the hardness of global copper shell and electrical insulation properties are ensured very well.
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, the L-shaped setting of terminals 30, is provided with grounding leg 60 in terminals 30, and grounding leg 60 is red copper bar, and grounding leg 60 the inner is connected with the first little copper pipe 12, and it is outside that terminals 30 are exposed in grounding leg 60 outer end.
Grounding leg 60 while connect with corresponding little copper pipe, another side, for connecting earth connection, makes cable reliable operation; Further, grounding leg 60 vibrational power flow of red copper bar makes cable work more reliable.
Preferably, copper sheathing flange 22 and the joint of flange connector 21 also seal and are provided with sealing ring 70 and sealing circle 70 is arranged on flange connector 21.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, each insulating barrier all adopts rotational molding technique to make, easy to process, insulating barrier is connected more reliable with copper pipe.
Preferably, for making encapsulating work convenient, efficient, preferred second largest copper pipe 51 offers at least two encapsulating mouths 511, encapsulating mouth 511 is through right insulating barrier 42.
This copper shell is arranged on single-core cable joint, its encapsulating mouth 511 for insulating material (as waterproof insulation glue) being poured into the inner space of copper shell, with attached cable transition joint and copper shell.
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 110kV straight coupling 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, and described first copper pipe is sealed and installed with flange connector away from one end of the first little copper pipe, and described first little copper pipe side is provided with terminals;
Left insulating barrier, is sealed and coated in the circumferential lateral surface of left copper pipe;
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 length of described second largest copper pipe is greater than the length of first 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 the copper sheathing flange that arrange corresponding to flange connector away from one end of the second little copper pipe, and described copper sheathing flange and flange connector are tightly connected;
Right insulating barrier, is sealed and coated in the circumferential lateral surface of right copper pipe;
Each little copper pipe is all arranged in four segment structures, towards gradually away from the direction of corresponding large copper pipe, the first paragraph of this little copper pipe and the 3rd section are all arranged in closing in, and the second segment of this little copper pipe and the 4th section of all setting in cylinder, described terminals are arranged in the second segment structure of above-mentioned first little copper pipe.
2. 110kV straight coupling copper shell according to claim 1, is characterized in that: described first copper pipe and the second little copper pipe are copper tube, and described first little copper pipe and second largest copper pipe are brass tube.
3. 110kV straight coupling 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. 110kV straight coupling copper shell according to claim 1 and 2, it is characterized in that: the L-shaped setting of described terminals, in terminals, grounding leg is installed, described grounding leg is red copper bar, described grounding leg the inner is connected with the first little copper pipe, and terminals outside is exposed in described grounding leg outer end.
5. 110kV straight coupling copper shell according to claim 1 and 2, is characterized in that: the joint of described copper sheathing flange and flange connector also seals and is provided with sealing ring and sealing circle is arranged on flange connector.
6. 110kV straight coupling copper shell according to claim 1 and 2, is characterized in that: each insulating barrier all adopts rotational molding technique to make.
7. 110kV straight coupling copper shell according to claim 1 and 2, is characterized in that: described second largest copper pipe offers at least two encapsulating mouths, and described encapsulating mouth is through right insulating barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728338.9U CN204928072U (en) | 2015-09-18 | 2015-09-18 | 110kV straight joint copper shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520728338.9U CN204928072U (en) | 2015-09-18 | 2015-09-18 | 110kV straight joint copper shell |
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| Publication Number | Publication Date |
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| CN204928072U true CN204928072U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520728338.9U Active CN204928072U (en) | 2015-09-18 | 2015-09-18 | 110kV straight joint copper shell |
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| CN (1) | CN204928072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480933A (en) * | 2018-05-16 | 2018-09-04 | 扬州鑫宇电气有限公司 | A kind of cable tail pipe and its manufacturing method |
-
2015
- 2015-09-18 CN CN201520728338.9U patent/CN204928072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108480933A (en) * | 2018-05-16 | 2018-09-04 | 扬州鑫宇电气有限公司 | A kind of cable tail pipe and its manufacturing method |
| CN108480933B (en) * | 2018-05-16 | 2023-11-03 | 扬州鑫宇电气有限公司 | Cable tail pipe and manufacturing method thereof |
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| Date | Code | Title | Description |
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| 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. |