CN209642282U - High-voltage cable intermediate head protection device with pressure relief hole - Google Patents
High-voltage cable intermediate head protection device with pressure relief hole Download PDFInfo
- Publication number
- CN209642282U CN209642282U CN201920372212.0U CN201920372212U CN209642282U CN 209642282 U CN209642282 U CN 209642282U CN 201920372212 U CN201920372212 U CN 201920372212U CN 209642282 U CN209642282 U CN 209642282U
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- China
- Prior art keywords
- lower case
- cable
- upper housing
- relief hole
- lower shell
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- 210000001503 joint Anatomy 0.000 claims description 21
- 230000001012 protector Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 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
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- Cable Accessories (AREA)
Abstract
The embodiment of the utility model discloses take high tension cable intermediate head protection device in pressure release hole, it includes: the lower side of the lower shell is closed, the upper side of the lower shell is opened, and the left side and the right side of the lower shell respectively extend out of a first flange edge; the upper shell is closed at the upper side and is opened at the lower side, second flange edges extend from the left side and the right side respectively, the second flange edges are aligned with the first flange edges of the lower shell and are fixed through bolts, and through holes for allowing cables at the end parts of the middle joints of the high-voltage cables to pass through are formed at the two ends of the lower shell and the upper shell respectively; a plurality of first pressure relief holes are formed at the periphery of the through hole at two ends of the lower shell and the upper shell; at least one row of second pressure relief holes are formed in the inner side of the lower shell. Implement the embodiment of the utility model provides a, can protect high tension cable intermediate head, improve its security.
Description
Technical field
The utility model relates to high-voltage cable middle joint field, in particular among a kind of high-tension cable with relief hole
Connector protection device.
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 in the high-tension cable with relief hole for power supply network
Between connector protection device, additional protection is provided high-voltage cable middle joint, and in the event of a failure carry out pressure release processing.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are provided among a kind of high-tension cable with relief hole
Connector protection device comprising:
Lower case, internal middle position are formed with baffle, and lower casing internal body portion is divided into two and is used for by the baffle
The vertical direction spatial of high-voltage cable middle joint is accommodated, the left and right sides each extends over out first flange edge；
Upper housing, internal middle position are formed with baffle, and upper casing internal body portion is divided into two and is used for by the baffle
Accommodate the vertical direction spatial of high-voltage cable middle joint, the left and right sides each extends over out second flange edge, the second flange edge with
The first flange edge of the lower case is aligned and is bolted；
The both ends of the lower case and upper housing, which are respectively formed with, supplies the cable of high-voltage cable middle joint end logical
The through-hole crossed；
The both ends of lower case and upper housing are formed with multiple first relief holes around the through-hole；
It is formed at least one on the inside of the lower case and arranges the 2nd relief hole.
Preferably, the lower case, upper housing are made of stainless steel.
Implement the utility model embodiment, has the following beneficial effects:
The structure that the utility model is combined using lower case and upper housing, can form two independent cabins to hold respectively
Receive two telegram in reply cables；It uses stainless steel material, and the intensity of protecting crust can be improved；
Meanwhile accommodation space is divided into two relatively independent parts, and better emergency protection ability may be implemented, when
When one of cable intermediate joint breaks down, connector between cable will not influence in another.
In addition, being provided with multiple first relief holes in the lower case and upper housing end, and in the lower case
Side is formed at least one and arranges the 2nd relief hole, can in the cable between connector failure quick pressure releasing, prevent explosion generation.
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 among a kind of protector for high-tension cable middle joint and cable with relief hole provided by the utility model
The structural schematic diagram that head matches；
Fig. 2 is that the structural schematic diagram after upper housing is removed in Fig. 1；
Fig. 3 is the structural schematic diagram of lower case in Fig. 2.
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 a kind of protector for high-tension cable middle joint with relief hole and electricity
The structural schematic diagram that cable medial head matches；It is combined shown in Fig. 2 to Fig. 3 together.It is described to be used in the utility model embodiment
The protector for high-tension cable middle joint with relief hole of power supply network includes:
Lower case 1, internal middle position are formed with baffle 11, and the baffle 11 will be separated into two inside lower case 1
A vertical direction spatial for being used to accommodate high-voltage cable middle joint 4, the left and right sides each extends over out first flange edge 10；
Upper housing 2, internal middle position are formed with baffle (being not shown, identical as 11 structure of baffle), the baffle
Two vertical direction spatials for being used to accommodate high-voltage cable middle joint 4 will be separated into inside upper housing 2, the left and right sides each extends over out
Second flange edge 20, the second flange edge 20 are aligned with the first flange edge 10 of the lower case 1 and are fixed by bolt 6；
It is understood that being provided with multiple bolts hole on the first flange edge 10 and second flange edge 20, shown in figure
Bolt hole 100 on first flange edge 10；
The both ends of the lower case 1 and upper housing 2 are respectively formed with the cable for 4 end of the high-voltage cable middle joint
By through-hole；
More specifically, multiple first relief holes are formed with around the through-hole at the both ends of lower case 1 and upper housing 2
7；
It is formed at least one on the inside of the lower case 1 and arranges the 2nd relief hole 8, shows two rows in figure.
Wherein, accommodation space is formed between the upper housing 2 and the lower case 1, it is placed side by side for accommodating two
High-voltage cable middle joint 4；Wherein, the lower case 1, upper housing 2 are made of stainless steel, in one example, institute
Stating upper housing 2 can be made with lower case 1 by way of casting or milling, wherein and the thickness of shell can achieve 15mm,
With stronger antidetonation strength；
In addition, the both ends of the lower case 2 and upper housing 1 are respectively formed with for 4 end of the high-voltage cable middle joint
The through-hole that passes through of cable 5, in one example, the cable 5 can be 110kV cable, and high-voltage cable middle joint 4 can be with
It is 110kV cable mid head.After upper housing 2 and the installation of lower case 1 are fixed, between the upper housing 2, lower case 1 and cable 5
A closed space is formed, plays the role of preventing electric arc and fragment from flying out.
It is understood that fault electric arc and failure gas will be along when one of cable mid head 4 breaks down
One relief hole 7 and the second relief hole 8 leak out, and not will lead to another cable mid head 4 while being damaged.
Implement the utility model embodiment, has the following beneficial effects:
The structure that the utility model is combined using lower case and upper housing, can form two independent cabins to hold respectively
Receive two telegram in reply cables；It uses stainless steel material, and the intensity of protecting crust can be improved；
Meanwhile accommodation space is divided into two relatively independent parts, and better emergency protection ability may be implemented, when
When one of cable intermediate joint breaks down, connector between cable will not influence in another.
In addition, being provided with multiple first relief holes in the lower case and upper housing end, and in the lower case
Side is formed at least one and arranges the 2nd relief hole, can in the cable between connector failure quick pressure releasing, prevent explosion generation.
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 (2)
1. a kind of protector for high-tension cable middle joint with relief hole characterized by comprising
Lower case, internal middle position are formed with baffle, and lower casing internal body portion is divided into two and is used to accommodate by the baffle
The vertical direction spatial of high-voltage cable middle joint, the left and right sides each extend over out first flange edge；
Upper housing, internal middle position are formed with baffle, and upper casing internal body portion is divided into two and is used to accommodate by the baffle
The vertical direction spatial of high-voltage cable middle joint, the left and right sides each extend over out second flange edge, the second flange edge with it is described
The first flange edge of lower case is aligned and is bolted；
What the cable that the both ends of the lower case and upper housing are respectively formed with confession high-voltage cable middle joint end passed through
Through-hole；
The both ends of lower case and upper housing are formed with multiple first relief holes around the through-hole；
It is formed at least one on the inside of the lower case and arranges the 2nd relief hole.
2. a kind of protector for high-tension cable middle joint with relief hole as described in claim 1, which is characterized in that described
Lower case, upper housing are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372212.0U CN209642282U (en) | 2019-03-22 | 2019-03-22 | High-voltage cable intermediate head protection device with pressure relief hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920372212.0U CN209642282U (en) | 2019-03-22 | 2019-03-22 | High-voltage cable intermediate head protection device with pressure relief hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209642282U true CN209642282U (en) | 2019-11-15 |
Family
ID=68496664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920372212.0U Active CN209642282U (en) | 2019-03-22 | 2019-03-22 | High-voltage cable intermediate head protection device with pressure relief hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209642282U (en) |
-
2019
- 2019-03-22 CN CN201920372212.0U patent/CN209642282U/en active Active
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