CN208874247U - High-voltage cable intermediate joint protective shell with stuffing box - Google Patents
High-voltage cable intermediate joint protective shell with stuffing box Download PDFInfo
- Publication number
- CN208874247U CN208874247U CN201821312351.6U CN201821312351U CN208874247U CN 208874247 U CN208874247 U CN 208874247U CN 201821312351 U CN201821312351 U CN 201821312351U CN 208874247 U CN208874247 U CN 208874247U
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- CN
- China
- Prior art keywords
- cover board
- space
- stuffing box
- voltage cable
- pedestal
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- 230000001681 protective effect Effects 0.000 title abstract description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000006004 Quartz sand Substances 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 22
- 210000001503 joint Anatomy 0.000 claims description 18
- 230000004308 accommodation Effects 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000010891 electric arc Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000012634 fragment Substances 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
- 239000010453 quartz Substances 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
- 238000004880 explosion Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
本实用新型实施例公开了一种带填料盒的高压电缆中间接头防护壳，其包括：底座，其下侧封闭，上侧开口，左右两侧分别延伸出第一法兰缘，内部被一个竖板分隔成两部分；盖板，所述盖板为框式结构，其两侧分别延伸出第二法兰缘，在左右两侧之间分别设置两个横向弧板，所述两个横向弧板将所述盖板分隔成下部空间和下部空间，所述第二法兰缘与所述底座的第一法兰缘对齐并通过螺栓固定；所述盖板的下部空间与所述底座之间形成容纳空间，用于容纳两个并排放置的高压电缆中间接头；所述每一横向弧板上均设置有泄压部；所述盖板的上部空间形成填料盒，用于填装石英砂。实施本实用新型实施例，可以对高压电缆中间接头进行防护，提高其安全性。
The embodiment of the utility model discloses a protective casing for a high-voltage cable intermediate joint with a stuffing box, which comprises: a base, the lower side of which is closed, the upper side is open, the left and right sides respectively extend out first flange edges, and the interior is surrounded by a vertical The plate is divided into two parts; the cover plate, the cover plate is a frame structure, the two sides of the cover plate are respectively extended with second flanges, and two transverse arc plates are respectively arranged between the left and right sides. The plate divides the cover plate into a lower space and a lower space, the second flange edge is aligned with the first flange edge of the base and fixed by bolts; the space between the lower space of the cover plate and the base A accommodating space is formed for accommodating two high-voltage cable intermediate joints placed side by side; each transverse arc plate is provided with a pressure relief part; the upper space of the cover plate forms a stuffing box for filling quartz sand. By implementing the embodiment of the present utility model, the intermediate joint of the high-voltage cable can be protected and its safety can be improved.
Description
Technical field
The utility model relates to high-voltage cable middle joints to protect field, in particular to a kind of high-tension cable with stuffing box
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
It is anti-that technical problem to be solved by the utility model is to provide a kind of high-voltage cable middle joints with stuffing box
Protective case provides high-voltage cable middle joint additional protection, produced by after the failure that high-voltage cable middle joint occurs
The quick releases such as flame, fragment and eliminate, prevent it from endangering nearby device and the safety of personnel.
In order to solve the above-mentioned technical problem, the embodiments of the present invention provide a kind of band filler boxlike double back high-tension cable
Transition joint protecting crust, comprising:
Pedestal, downside closing, upper side opening, the left and right sides each extend over out first flange edge, and inside is by a riser
It is separated into two parts；
Cover board, the cover board are frame structure, and two sides each extend over out second flange edge, between the left and right sides respectively
Two transverse arc plates are set, the cover board is separated into lower space and lower space by described two transverse arc plates, and described second
Flange is aligned and is bolted with the first flange edge of the pedestal；
Accommodation space is formed between the lower space of the cover board and the pedestal, for accommodating two height placed side by side
Voltage cable transition joint；
Pressure release portion is provided on each transverse arc plate；
The upper space of the cover board forms stuffing box, for loading quartz sand.
Wherein, described two transverse arc plates are decurvation, and intersection leans with the riser among its underpart, are made
When the cover board and the base engagement, the accommodation space of formation is the space of two separations, accommodates a high-tension cable respectively
Transition joint.
Wherein, intersection is provided with demarcation plate among transverse arc plate top, and the stuffing box is only at two respectively
Vertical filling space.
Wherein, the pressure release portion is the slit or through-hole for penetrating the transverse arc plate.
Wherein, the both ends of the pedestal and cover board, which are respectively formed with, supplies the cable of high-voltage cable middle joint end logical
The through-hole crossed.
Wherein, the pedestal, cover board are made of stainless steel.
Implement the utility model embodiment, has the following beneficial effects:
The utility model uses the structure of pedestal and cover plate combination, can form independent accommodation space and accommodate respectively twice
Cable；And pressure release portion is provided in each accommodation space, and form stuffing box at it, quartz material is filled in stuffing box fly；When
When cable intermediate joint failure keeps accommodation space internal pressure excessive, it can be guided by pressure release portion, absorb fault electric arc
And gas, to improve safety；
Meanwhile accommodation space and stuffing box are separated into two relatively independent parts, and it is anti-that better failure may be implemented
Shield ability will not influence in another connector between cable when one of cable intermediate joint breaks down.
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 a kind of high-voltage cable middle joint protecting crust and cable mid head with stuffing box provided by the utility model
The structural schematic diagram matched；
Fig. 2 is the structural schematic diagram of pedestal in Fig. 1；
Fig. 3 is that the structural schematic diagram after high-voltage cable middle joint is placed in Fig. 2；
Fig. 4 is the structural schematic diagram of Fig. 1 cover board；
Fig. 5 is the structural schematic diagram of another angle of the cover board in Fig. 4.
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 high-voltage cable middle joint protecting crust and cable with stuffing box
The structural schematic diagram that medial head matches；It is combined shown in Fig. 2 to Fig. 5 together.In the utility model embodiment, the band filler
The high-voltage cable middle joint protecting crust of box includes:
Pedestal 2, downside closing, upper side opening, the left and right sides each extends over out first flange edge 20, internal perpendicular by one
Plate 21 is separated into two parts, and multiple bolts hole 22 are provided on each first flange edge 20；
Cover board 1, the cover board are frame structure, and two sides each extend over out second flange edge 10, in each second flange
Multiple bolts hole 15 are provided on edge 10；Two transverse arc plates 11, described two transverse arcs are respectively set between the left and right sides
The cover board 1 is separated into lower space and lower space, the first flange of the second flange edge 10 and the pedestal by plate 11
Edge 20 is aligned and is fixed by bolt 5；
Accommodation space is formed between the lower space and the pedestal 2 of the cover board 1, it is placed side by side for accommodating two
High-voltage cable middle joint 3；Wherein, the pedestal 2, cover board 1 are made of stainless steel, in one example, the lid
Plate 1 can be made with pedestal 2 by way of casting or milling, wherein the thickness of shell can achieve 15mm, have relatively strong
Antidetonation strength；
It is provided with pressure release portion 13 on each transverse arc plate 11, in some embodiments, the pressure release portion 13 is to wear
The slit or through-hole of the saturating transverse arc plate 11；
The upper space of the cover board 1 forms stuffing box, for loading quartz sand.
More specifically, described two transverse arc plates 11 are decurvation, intersection and the riser 21 among its underpart
It leans, when cooperating the cover board 1 with the pedestal 2, the accommodation space of formation is the space of two separations, accommodates one respectively
A high-voltage cable middle joint 3.
Wherein, intersection is provided with demarcation plate 12 among 11 top of transverse arc plate, by the stuffing box respectively at two
A independent filling space.
In addition, the both ends of the pedestal 2 and cover board 1 are respectively formed with the electricity for 3 end of the high-voltage cable middle joint
The through-hole that cable 4 passes through, in one example, the cable 4 can be 110kV cable, and high-voltage cable middle joint 3 can be
110kV cable mid head.After cover board 1 and the installation of pedestal 2 are fixed, formation one is close between the cover board 1, pedestal 2 and cable 3
The space closed plays the role of preventing electric arc and fragment from flying out.
It is understood that fault electric arc and gas will be discharged along pressure release portion when cable mid head 3 breaks down, this
When the quartz sand that is placed in stuffing box will play the role of absorbing energy, and be fully cooled electric arc, make it not to other cables
It damages.And the demarcation plate of stuffing box is used to for the pressure release passage of two cable mid heads 3 being isolated, and can prevent when an electricity
When cable 3 failure of medial head, electric arc is directly scurried by pressure release seam, is damaged to another cable mid head 3.
Implement the utility model embodiment, has the following beneficial effects:
The utility model uses the structure of pedestal and cover plate combination, can form independent accommodation space and accommodate respectively twice
Cable；And pressure release portion is provided in each accommodation space, and form stuffing box at it, quartz material is filled in stuffing box fly；When
When cable intermediate joint failure keeps accommodation space internal pressure excessive, it can be guided by pressure release portion, absorb fault electric arc
And gas, to improve safety；
Meanwhile accommodation space and stuffing box are separated into two relatively independent parts, and it is anti-that better failure may be implemented
Shield ability will not influence in another connector between cable when one of cable intermediate joint breaks down.
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 (6)
1. a kind of high-voltage cable middle joint protecting crust with stuffing box characterized by comprising
Pedestal, downside closing, upper side opening, the left and right sides each extends over out first flange edge, internal to be separated by a riser
At two parts；
Cover board, the cover board are frame structure, and two sides each extend over out second flange edge, are respectively set between the left and right sides
The cover board is separated into lower space and lower space, the second flange by two transverse arc plates, described two transverse arc plates
Edge is aligned and is bolted with the first flange edge of the pedestal；
Accommodation space is formed between the lower space of the cover board and the pedestal, for accommodating two high-voltage electricity placed side by side
Cable transition joint；
Pressure release portion is provided on each transverse arc plate；
The upper space of the cover board forms stuffing box, for loading quartz sand.
2. protecting crust as described in claim 1, which is characterized in that described two transverse arc plates are decurvation, its underpart
Intermediate intersection leans with the riser, and when making the cover board and the base engagement, the accommodation space of formation is two points
Every space, respectively accommodate a high-voltage cable middle joint.
3. protecting crust as claimed in claim 2, which is characterized in that intersection is provided with separation among transverse arc plate top
Plate, by the stuffing box respectively at two independent filling spaces.
4. protecting crust as claimed in claim 3, which is characterized in that the pressure release portion be penetrate the transverse arc plate slit or
Through-hole.
5. protecting crust as claimed in claim 4, which is characterized in that the both ends of the pedestal and cover board are respectively formed with described in confession
The through-hole that the cable of high-voltage cable middle joint end passes through.
6. protecting crust as claimed in claim 5, which is characterized in that the pedestal, cover board are made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312351.6U CN208874247U (en) | 2018-08-15 | 2018-08-15 | High-voltage cable intermediate joint protective shell with stuffing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821312351.6U CN208874247U (en) | 2018-08-15 | 2018-08-15 | High-voltage cable intermediate joint protective shell with stuffing box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208874247U true CN208874247U (en) | 2019-05-17 |
Family
ID=66464692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821312351.6U Active CN208874247U (en) | 2018-08-15 | 2018-08-15 | High-voltage cable intermediate joint protective shell with stuffing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208874247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879572A (en) * | 2018-08-15 | 2018-11-23 | 深圳供电局有限公司 | High-voltage cable intermediate joint protective shell with stuffing box |
-
2018
- 2018-08-15 CN CN201821312351.6U patent/CN208874247U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879572A (en) * | 2018-08-15 | 2018-11-23 | 深圳供电局有限公司 | High-voltage cable intermediate joint protective shell with stuffing box |
| CN108879572B (en) * | 2018-08-15 | 2024-04-19 | 深圳供电局有限公司 | High-voltage cable middle joint protective shell with packing box |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |