CN208874255U - High-voltage cable intermediate head protective shell with double-layer shell - Google Patents
High-voltage cable intermediate head protective shell with double-layer shell Download PDFInfo
- Publication number
- CN208874255U CN208874255U CN201821322811.3U CN201821322811U CN208874255U CN 208874255 U CN208874255 U CN 208874255U CN 201821322811 U CN201821322811 U CN 201821322811U CN 208874255 U CN208874255 U CN 208874255U
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- China
- Prior art keywords
- protective cover
- voltage cable
- injecting glue
- protecting crust
- seal groove
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- 230000001681 protective effect Effects 0.000 title claims abstract description 69
- 239000003292 glue Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000000565 sealant Substances 0.000 claims abstract description 4
- 210000001503 joint Anatomy 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 239000011152 fibreglass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract 4
- 239000007924 injection Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004308 accommodation Effects 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
- 230000005611 electricity 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
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model discloses a high-voltage cable intermediate joint protecting shell with a double-layer shell, which comprises a first protecting cover, a second protecting cover and an outer sleeve; wherein: the first protective cover and the second protective cover are of a semi-surrounding structure which is surrounded by two parallel arc plates and end plates positioned at two ends and has an opening at one end, end face glue injection sealing grooves are formed in the end plates of the first protective cover and the second protective cover, and a longitudinal glue injection sealing groove is formed in the joint of the arc plates; the openings of the first protective cover and the second protective cover are oppositely arranged and are fixed through the sealant injected into the end face glue injection sealing groove and the longitudinal glue injection sealing groove; the first protective cover and the second protective cover form an accommodating space for placing two high-voltage cable middle joints side by side; the outer sleeve is sleeved on the periphery of the first protective cover and the second protective cover which are fixed through the sealing glue. The utility model discloses can protect the 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 high-tension cable of double casing
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 of double casing
Protective case provides protection to high-voltage cable middle joint, and easy to disassemble.
In order to solve the above-mentioned technical problem, the embodiments of the present invention are provided among a kind of high-tension cable of double casing
Protection of welded joints shell comprising the first protective cover, the second protective cover and outer layer sleeve；Wherein:
First protective cover and the second protective cover are to be enclosed by two blocks of parallel arc plates and the end plate positioned at both ends
At semi-surrounding structure open at one end, it is close on the end plate of first protective cover and the second protective cover to be provided with end face injecting glue
Sealing groove is provided with longitudinal injecting glue seal groove in arc plate junction；
The opening of first protective cover and second protective cover is oppositely arranged, and by end face injecting glue seal groove and
The sealant injected in longitudinal injecting glue seal groove is fixed；First protective cover and second protective cover are formed by appearance
It receives space, is placed for two high-voltage cable middle joints side by side；
The outer layer sleeve is set in the first protective cover after the sealed glue is fixed and second protective cover periphery.
Preferably, it is respectively formed on the end plate at the both ends of first protective cover and the second protective cover for the high pressure
The through-hole that the cable of cable intermediate joint end passes through.
Preferably, the inner wall of the through-hole is arranged in the end face injecting glue seal groove.
Preferably, first protective cover and the second protective cover are made of stainless steel material.
Preferably, the outer layer sleeve is made of glass fiber reinforced plastics material.
Implement the utility model embodiment, has the following beneficial effects:
The utility model forms sealing space, sealing space by the first protective cover, the second protective cover and outer layer sleeve
In can accommodate two telegram in reply cables simultaneously, by injecting glue seal groove carry out injecting glue connect and one entirety outer layer sleeve socket,
It can achieve higher structural strength and sealing performance, and be easily installed, keep assembling speed fast.It will be in high-tension cable indirectly
Generated flame, fragment etc. constrain in protecting crust after the raw failure of hair, prevent it from endangering nearby device and the peace of personnel
Entirely.
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 the monnolithic case structural representation for the high-voltage cable middle joint protecting crust that the utility model provides double casing
Figure；
Fig. 2 is the structural schematic diagram of the second protective cover in Fig. 1；
Fig. 3 is the structural schematic diagram of outer layer sleeve in Fig. 1；
Fig. 4 is that the high-voltage cable middle joint protecting crust of the utility model offer double casing is matched with cable mid head
Schematic diagram, wherein the first protective cover is not shown.
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 is provided among the high-voltage cable middle joint protecting crust and cable of double casing
The structural schematic diagram that head matches；It is combined shown in Fig. 2 to Fig. 4 together.In the utility model embodiment, the double casing
High-voltage cable middle joint protecting crust, including the first protective cover 1, the second protective cover 2 and outer layer sleeve 3；Wherein:
First protective cover 1 and 2 structure of the second protective cover are identical, wherein the first protective cover 1 is parallel by two pieces
The semi-surrounding structure open at one end that arc plate 20 and end plate 21 positioned at both ends surround；
The opening of first protective cover 1 and second protective cover 2 is oppositely arranged, and carries out splicing fixation, and described
One protective cover 1 and second protective cover 2 are formed by accommodation space, place for two high-voltage cable middle joints 4 side by side；
Specifically, it is respectively formed with described in confession on the end plate 21 at the both ends of first protective cover 1 and the second protective cover 2
The through-hole that the cable 5 of 4 end of high-voltage cable middle joint passes through.
End face injecting glue seal groove 22 is provided on the end plate of first protective cover 1 and the second protective cover 2, in two arcs
20 junction of plate is provided with longitudinal injecting glue seal groove 23；Specifically, the through-hole is arranged in the end face injecting glue seal groove 22
Inner wall.
During installation, the opening of first protective cover 1 and second protective cover 2 is oppositely arranged, and is infused by end face
The sealant injected in glue seal groove 21 and longitudinal injecting glue seal groove 23 is fixed；
And the outer layer sleeve 3 is set in the first protective cover 1 and second protective cover 2 after the sealed glue is fixed
Periphery, in one embodiment, the outer layer sleeve 3 are made of glass fiber reinforced plastics material.And first protection
Lid 1 and the second protective cover 2 are made of stainless steel, in one example, with a thickness of 15mm.
In one example, the cable 5 is 110kV cable, and outer diameter is diameter 87mm, the cable mid head 4 it is outer
Diameter is 150mm.First protective cover 1 and 2 manufacturing method of the second protective cover are casting, milling etc., shell with a thickness of 15mm,
Antidetonation strength meets the requirement of 110kV cable.
Implement the utility model embodiment, has the following beneficial effects:
The utility model forms sealing space, sealing space by the first protective cover, the second protective cover and outer layer sleeve
In can accommodate two telegram in reply cables simultaneously, by injecting glue seal groove carry out injecting glue connect and one entirety outer layer sleeve socket,
It can achieve higher structural strength and sealing performance, and be easily installed, keep assembling speed fast.It will be in high-tension cable indirectly
Generated flame, fragment etc. constrain in protecting crust after the raw failure of hair, prevent it from endangering nearby device and the peace of personnel
Entirely.
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 high-voltage cable middle joint protecting crust of double casing, which is characterized in that including the first protective cover, the second protection
Lid and outer layer sleeve；Wherein:
First protective cover and the second protective cover are to be surrounded by two blocks of parallel arc plates and the end plate positioned at both ends
Semi-surrounding structure open at one end is provided with the sealing of end face injecting glue on the end plate of first protective cover and the second protective cover
Slot is provided with longitudinal injecting glue seal groove in arc plate junction；
The opening of first protective cover and second protective cover is oppositely arranged, and passes through end face injecting glue seal groove and longitudinal direction
The sealant injected in injecting glue seal groove is fixed；It is empty that first protective cover and second protective cover are formed by receiving
Between, it is placed for two high-voltage cable middle joints side by side；
The outer layer sleeve is set in the first protective cover after the sealed glue is fixed and second protective cover periphery.
2. protecting crust as described in claim 1, which is characterized in that the both ends of first protective cover and the second protective cover
The through-hole passed through for the cable of the high-voltage cable middle joint end is respectively formed on end plate.
3. protecting crust as claimed in claim 2, which is characterized in that the end face injecting glue seal groove is arranged in the through-hole
Wall.
4. protecting crust as claimed in claim 3, which is characterized in that first protective cover and the second protective cover stainless steel
Material is made.
5. protecting crust as claimed in claim 4, which is characterized in that the outer layer sleeve uses glass fiber reinforced plastics material
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821322811.3U CN208874255U (en) | 2018-08-16 | 2018-08-16 | High-voltage cable intermediate head protective shell with double-layer shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821322811.3U CN208874255U (en) | 2018-08-16 | 2018-08-16 | High-voltage cable intermediate head protective shell with double-layer shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208874255U true CN208874255U (en) | 2019-05-17 |
Family
ID=66464893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821322811.3U Active CN208874255U (en) | 2018-08-16 | 2018-08-16 | High-voltage cable intermediate head protective shell with double-layer shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208874255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122084A (en) * | 2019-12-30 | 2020-12-25 | 中航百慕新材料技术工程股份有限公司 | Protection method of bolt for bridge and anti-corrosion bolt assembly |
-
2018
- 2018-08-16 CN CN201821322811.3U patent/CN208874255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112122084A (en) * | 2019-12-30 | 2020-12-25 | 中航百慕新材料技术工程股份有限公司 | Protection method of bolt for bridge and anti-corrosion bolt assembly |
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