CN208874246U - Double-hinge multi-tooth double-circuit high-voltage cable intermediate joint protective shell - Google Patents
Double-hinge multi-tooth double-circuit high-voltage cable intermediate joint protective shell Download PDFInfo
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- CN208874246U CN208874246U CN201821306873.5U CN201821306873U CN208874246U CN 208874246 U CN208874246 U CN 208874246U CN 201821306873 U CN201821306873 U CN 201821306873U CN 208874246 U CN208874246 U CN 208874246U
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- upper cover
- double
- lower cover
- tooth
- voltage cable
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- 230000001681 protective effect Effects 0.000 title 1
- 210000001503 joint Anatomy 0.000 claims description 15
- 208000006637 fused teeth Diseases 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 230000004308 accommodation Effects 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000000621 Bidens tripartita Nutrition 0.000 description 1
- 240000004082 Bidens tripartita Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The embodiment of the utility model discloses double-hinge multi-tooth type double-circuit high-voltage cable intermediate head protecting crust, it includes: a lower cover; the first upper cover and the second upper cover are respectively pivoted on two sides of the lower cover; the lower cover, the first upper cover and the second upper cover form a closed accommodating space together for accommodating two high-voltage cable intermediate connectors which are placed side by side; the other sides of the first upper cover and the second upper cover form a double-row tooth-shaped structure, the double-row tooth-shaped structure of the first upper cover and the double-row tooth-shaped structure of the second upper cover are mutually staggered and meshed, and an inserting groove is formed in the double-row tooth-shaped structure; further comprises a bolt which is matched with the inserting groove. Implement the embodiment of the utility model provides a, can protect high tension cable intermediate head.
Description
Technical field
The utility model relates to high-voltage cable middle joints to protect field, in particular to a kind of multiple tooth formula double back of double-strand chain is high
Voltage cable transition joint protecting crust.
Background technique
High-tension cable is the important component of electric system, is mainly used for transmission energy, working voltage 10kV-
500kV etc., are limited to traffic condition, and high-tension cable can only be made about 800-1000 meters of length of coiled form, work as high-voltage electricity
When cable lay length is longer, it is necessary to be attached using cable mid head, the connection of cable mid head is generally all applied in cable
If scene carries out.
Manufacture and defective mounting due to joint box for high-voltage cable, joint box for high-voltage cable operation in occur short circuit breakdown
Probability is much higher than cable body, in addition, high-voltage cable middle joint mostly uses macromolecule flexible material to manufacture, insulation and waterproofness
Can be good, but mechanical strength is lower, and since the energy of electric system is huge, joint box for high-voltage cable once breaks down, it is easy to
On fire, explosion occurs, threatens to public safety.
Utility model content
Technical problem to be solved by the utility model is to provide among a kind of multiple tooth formula double back high-tension cable of double-strand chain
Protection of welded joints shell provides protection to high-voltage cable middle joint.
In order to solve the above-mentioned technical problem, the embodiments of the present invention provide a kind of multiple tooth formula double back high-voltage electricity of double-strand chain
Cable transition joint protecting crust, comprising:
Lower cover；
It is hubbed on the first upper cover and the second upper cover of the lower cover two sides respectively；
Closed accommodation space is collectively formed in the lower cover, the first upper cover, the second upper cover, placed side by side for accommodating two
High-voltage cable middle joint；
Wherein, the lower cover forms spaced hinge central siphon, and first upper cover and the second upper cover side are formed under
The staggered hinge central siphon of hinge central siphon of each side is covered, and pivot is realized by the side of a hinge axis and the lower cover respectively
It connects；
The other side of first upper cover and the second upper cover forms double tooth-shape structure, the double tooth form of first upper cover
Structure is interlaced with the double tooth-shape structure of the second upper cover and is meshed, and forms a grafting in the double tooth-shape structure
Slot；
Further comprise having a bolt, is matched with the inserting groove.
Preferably, double tooth-shape structure includes two rows of double wedge being parallel to each other, in two rows of double wedges all opposite two it is convex
The distance between tooth is equal.
Preferably, the cross section of the bolt is rectangle, circle, one kind of ellipse.
Preferably, first upper cover, the second upper cover, lower cover both ends be respectively formed in the high-tension cable indirectly
The through-hole that the cable of cephalic par passes through.
Preferably, the lower cover, the first upper cover, the second upper cover and bolt are all made of stainless steel material and are made.
Implement the utility model embodiment, has the following beneficial effects:
The utility model is divided into three-chip type structure, can form sealing space, can accommodate two telegrams in reply simultaneously in sealing space
Cable carries out composite joint using double-strand chain, multiple tooth formula inserting groove and bolt fit structure, can achieve higher structural strength,
And be easily installed, keep assembling speed fast.Simultaneously can by flame generated after the failure that high-voltage cable middle joint occurs,
Fragment etc. constrains in protecting crust, prevents it from endangering nearby device and the safety of personnel.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that the utility model provides the multiple tooth formula double back high-voltage cable middle joint protecting crust of double-strand chain and cable mid head
The structural schematic diagram matched；
Fig. 2 is the multiple tooth formula double back high-voltage cable middle joint protecting crust opening state of double-strand chain provided by the utility model
Structural schematic diagram；
Fig. 3 is the structural schematic diagram of lower cover in Fig. 2；
Fig. 4 is the structural schematic diagram of the first upper cover in Fig. 2；
Fig. 5 is the structural schematic diagram of the bolt in Fig. 1.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It describing clear and completely, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
Here, it should also be noted that, in order to avoid having obscured the utility model because of unnecessary details, in the accompanying drawings
It illustrate only the structure and/or processing step closely related with scheme according to the present utility model, and be omitted practical with this
The little other details of new relationship.
As shown in Figure 1, being that the utility model provides the multiple tooth formula double back high-voltage cable middle joint protecting crust of double-strand chain and electricity
The structural schematic diagram that cable medial head matches；It is combined shown in Fig. 2 to Fig. 5 together.In the utility model embodiment, double hinges
The multiple tooth formula double back high-voltage cable middle joint protecting crust of chain, comprising:
Lower cover 1；
It is hubbed on the first upper cover 2 and the second upper cover 3 of 1 two sides of lower cover respectively；
Closed accommodation space is formed between first upper cover 2 and the second upper cover 3, it is placed side by side for accommodating two
High-voltage cable middle joint 4, and play the role of preventing electric arc and fragment from flying out；
Wherein, 1 two sides of lower cover are formed with spaced first axle central siphon 10 and second hinge central siphon 11；
First upper cover, 2 side forms the staggered third hinge of first axle central siphon 10 with 1 side of lower cover
Central siphon 20, and so that the first axle central siphon 10 and the third hinge central siphon 20 is realized pivot joint by first axle axis 21；Together
Reason, the side of second upper cover form staggered 4th hinge axis of second hinge central siphon 11 with 1 other side of lower cover
Pipe 30, and so that the second hinge central siphon 11 and the 4th hinge central siphon 30 is realized pivot joint by first axle axis 31；
The other side of first upper cover 2 and the second upper cover 3 is respectively formed double tooth-shape structure 6, pair of first upper cover 1
Row's tooth-shape structure 6 is interlaced with the double tooth-shape structure 6 of the second upper cover 3 and is meshed, the shape in the double tooth-shape structure 6
At an inserting groove；Preferably, double tooth-shape structure 6 includes two rows of double wedges 60 being parallel to each other, all opposite in two rows of double wedges 60
The distance between two double wedges it is equal.
Further comprise having a bolt 7, matches, be inserted into the inserting groove with the inserting groove, made on described first
Lid 2 and the second upper cover 3 form an entirety and fixation.As shown in figure 5, the cross section of the bolt is rectangle；It is understood that
It is that in other examples, cross section is also possible to round or ellipse etc..
Further, the both ends of first upper cover 2, the second upper cover 3 and lower cover are respectively formed with for the high pressure
The through-hole that the cable 5 of 4 end of cable intermediate joint passes through.In one example, the cable 5 is 110kV cable, and outer diameter is
Diameter 87mm, the outer diameter of the cable mid head 4 are 150mm.
Wherein, the lower cover 1, the first upper cover 2, the second upper cover 3 are all made of stainless steel material and are made, specifically, at one
In example, above-mentioned protection casing manufacturing method be casting, milling, shell with a thickness of 15mm, antidetonation strength meets 110kV cable
It is required that；And bolt 7 can equally be formed by stainless steel material milling.
Implement the utility model embodiment, has the following beneficial effects:
The utility model is divided into three-chip type structure, can form sealing space, can accommodate two telegrams in reply simultaneously in sealing space
Cable carries out composite joint using double-strand chain, multiple tooth formula inserting groove and bolt fit structure, can achieve higher structural strength,
And be easily installed, keep assembling speed fast.Simultaneously can by flame generated after the failure that high-voltage cable middle joint occurs,
Fragment etc. constrains in protecting crust, prevents it from endangering nearby device and the safety of personnel.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, under the premise of not departing from the application principle, several improvements and modifications can also be made, these improvements and modifications are also answered
It is considered as the protection scope of the application.
Claims (5)
1. a kind of multiple tooth formula double back high-voltage cable middle joint protecting crust of double-strand chain characterized by comprising
Lower cover；
It is hubbed on the first upper cover and the second upper cover of the lower cover two sides respectively；
Closed accommodation space is collectively formed in the lower cover, the first upper cover, the second upper cover, for accommodating two height placed side by side
Voltage cable transition joint；
Wherein, the lower cover forms spaced hinge central siphon, and first upper cover and the second upper cover side form each with lower cover
The staggered hinge central siphon of the hinge central siphon of side, and realized be pivotally connected by the side of a hinge axis and the lower cover respectively；
The other side of first upper cover and the second upper cover forms double tooth-shape structure, the double tooth-shape structure of first upper cover
It is interlaced with the double tooth-shape structure of the second upper cover and be meshed, an inserting groove is formed in the double tooth-shape structure；
Further comprise having a bolt, is matched with the inserting groove.
2. protecting crust as described in claim 1, which is characterized in that double tooth-shape structure includes two rows of double wedges being parallel to each other,
The distance between all two opposite double wedges are equal in two rows of double wedges.
3. protecting crust as claimed in claim 2, which is characterized in that the cross section of the bolt is rectangle, circle, ellipse
It is a kind of.
4. protecting crust as claimed in claim 3, which is characterized in that first upper cover, the second upper cover, the both ends difference of lower cover
It is formed with the through-hole passed through for the cable of the high-voltage cable middle joint end.
5. protecting crust as claimed in claim 4, which is characterized in that the lower cover, the first upper cover, the second upper cover and bolt are equal
It is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306873.5U CN208874246U (en) | 2018-08-14 | 2018-08-14 | Double-hinge multi-tooth double-circuit high-voltage cable intermediate joint protective shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821306873.5U CN208874246U (en) | 2018-08-14 | 2018-08-14 | Double-hinge multi-tooth double-circuit high-voltage cable intermediate joint protective shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208874246U true CN208874246U (en) | 2019-05-17 |
Family
ID=66464736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821306873.5U Active CN208874246U (en) | 2018-08-14 | 2018-08-14 | Double-hinge multi-tooth double-circuit high-voltage cable intermediate joint protective shell |
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|---|---|
| CN (1) | CN208874246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431137A (en) * | 2020-04-20 | 2020-07-17 | 深圳供电局有限公司 | Cable intermediate joint |
-
2018
- 2018-08-14 CN CN201821306873.5U patent/CN208874246U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111431137A (en) * | 2020-04-20 | 2020-07-17 | 深圳供电局有限公司 | Cable intermediate joint |
| CN111431137B (en) * | 2020-04-20 | 2021-12-21 | 深圳供电局有限公司 | Cable intermediate joint |
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