CN208190227U - A kind of straight-through transition joint copper protective shell of high-tension cable - Google Patents
A kind of straight-through transition joint copper protective shell of high-tension cable Download PDFInfo
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- CN208190227U CN208190227U CN201820592897.5U CN201820592897U CN208190227U CN 208190227 U CN208190227 U CN 208190227U CN 201820592897 U CN201820592897 U CN 201820592897U CN 208190227 U CN208190227 U CN 208190227U
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- copper
- protective shell
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- copper protective
- transition joint
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Abstract
The utility model discloses a kind of high-tension cables to lead directly to transition joint copper protective shell, including copper protective shell, ground connections and waterproof insulating layer, the waterproof insulating layer is coated on copper protective shell and ground connections outer wall, the copper protective shell includes the first cylinder copper pipe and two the second cylinder copper pipes, the first cylinder copper pipe both ends connect two the second cylinder copper pipes, and the first cylinder copper pipe both ends open up there are two for into copper protective shell inject high pressure flame retardant sealant encapsulating mouth, the second cylinder copper pipe one end is equipped with the sealing lead port connecting with cable metal sheath.This high-tension cable leads directly to transition joint copper protective shell and uses integral structure; structure is simple; it is easy for installation; the utilization of waterproof insulating layer substantially increases its waterproof insulation performance; opening up for encapsulating mouth facilitates the injection high pressure flame retardant sealant to the inside of copper protective shell; easy to operate, the design of sealing lead port keeps the connection between copper protective shell and cable metal sheath stronger reliable, improves safety.
Description
Technical field
The utility model relates to the protective device of high voltage power cable transition joint more particularly to a kind of high-tension cable are straight-through
Transition joint copper protective shell.
Background technique
Currently, the connection of high voltage power cable, needs to realize using straight-through transition joint.During the connection process, elder generation is needed
Protective layer to connecting cable is removed, is connected cable conductor part and protective layer part respectively with straight-through transition joint
It connects, copper protective shell is mounted on outside straight-through transition joint later, to protect straight-through transition joint and cable.Currently, in straight-through
Between connector copper protective shell be mostly combined type, be divided into two parts, be respectively fitted over both ends electricity waiting before straight-through transition joint is installed
Outside cable, two parts copper protective shell is passed through into flanged joint again after straight-through transition joint is installed.Such copper shell exists
Following problems: manufacture craft is more demanding；When installation, the docking operation of flange is relatively complicated；In use, if flange connections spiral shell
Silk connection is not fastened or is loosened, and the protective effect of straight-through transition joint and sealing performance will have a greatly reduced quality, and run
Occur multipoint earthing in journey, leads to the hidden danger of the faulty generation of transition joint.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of straight-through transition joint copper of high-tension cable
Protective shell, this straight-through transition joint copper protection shell structure is simple, easy for installation, good seal performance.
The utility model solves technical solution used by its technical problem are as follows:
A kind of straight-through transition joint copper protective shell of high-tension cable, including copper protective shell and is set to connecing on the outside of copper protective shell
Earth connection further includes the waterproof insulating layer for waterproof insulation, and the waterproof insulating layer is coated on copper protective shell and ground connection connects
On the outer wall of fitting, the copper protective shell includes the first cylinder copper pipe and two the second cylinder copper pipes, described the first cylinder
The diameter of copper pipe is greater than the diameter of the second cylinder copper pipe, and the both ends rounding off of the first cylinder copper pipe connects two second circles
Cylinder copper pipe, the both ends of the first cylinder copper pipe open up there are two for into copper protective shell inject high pressure flame retardant sealant filling
Jiao Kou, one end of the second cylinder copper pipe are equipped with the sealing lead port connecting with cable metal sheath.
As an improvement of the above technical solution, the circumference of the sealing lead port is equipped with several " V " type grooves, the sealing lead end
Mouth is connect by the way of sealing lead with cable metal sheath.
As an improvement of the above technical solution, the encapsulating mouth is equipped with dismountable glue lid, and the glue lid can be
High pressure flame retardant sealant seals encapsulating mouth after injecting in copper protective shell by encapsulating mouth.
As an improvement of the above technical solution, the thickness of the waterproof insulating layer be not less than 7mm, the waterproof insulating layer with
Copper protective shell, ground connections are an integral structure.
As an improvement of the above technical solution, the ground connections include solid copper bar and hollow copper tubing, described solid
One end of copper rod is connected on the side wall of the second cylinder copper pipe, and 90 ° of other end bending simultaneously connects hollow copper tubing, the hollow copper tubing
Central axes and the second cylinder copper pipe axis parallel.
The beneficial effects of the utility model have:
This high-tension cable leads directly to transition joint copper protective shell and uses integral structure, and structure is simple, easy for installation, makes work
Skill requirement is lower, and the utilization of the waterproof insulating layer of copper protective shell outer wall substantially increases its waterproof insulation performance, and encapsulating mouth is opened
It is easy to operate if facilitating to the inside of copper protective shell injection high pressure flame retardant sealant, the design of sealing lead port make copper protective shell with
Connection between cable metal sheath is stronger reliable, improves safety.
Detailed description of the invention
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail, in which:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the longitudinal profile schematic diagram of the utility model embodiment.
Specific embodiment
Referring to Fig. 1, a kind of high-tension cable of the utility model leads directly to transition joint copper protective shell, including copper protective shell 1, sets
It is placed in ground connections 2, the waterproof insulating layer 3 for waterproof insulation in 1 outside of copper protective shell, the waterproof insulating layer 3 coats
On the outer wall of copper protective shell 1 and ground connections 2, thickness be not less than 7mm, and with copper protective shell, ground connections one
Body formula structure, this structural texture is simple, is easily installed, and sealing performance is good.
With further reference to Fig. 2, the copper protective shell 1 includes the first cylinder copper pipe 11 and two the second cylinder copper pipes
12, the diameter of the first cylinder copper pipe 11 is greater than the diameter of the second cylinder copper pipe 12, the both ends of the first cylinder copper pipe 11
Rounding off connect two the second cylinder copper pipes 12, the both ends of the first cylinder copper pipe 11 open up there are two for copper protect
The encapsulating mouth 13 of injection high pressure flame retardant sealant in shell 1, the encapsulating mouth 13 is equipped with dismountable glue lid 15, by high pressure drag
It fires sealant to inject in copper protective shell 1 by one of encapsulating mouth 13, there is the fire-retardant sealing of high pressure at another encapsulating mouth 13
Glue overflows, then it represents that sealant is already filled with inside copper protective shell 1, seals encapsulating mouth 13 with glue lid 15 at this time, and use pyrocondensation
Pipe contraction, which is covered, to be sealed on large cylinder copper pipe 11 with covering two encapsulating mouths 13, and encapsulating process is simple to operation, and can protect
Card high pressure flame retardant sealant is completely filled with inside copper protective shell 1, it is ensured that the cable conductor waterproof insulation inside copper protective shell 1, and
The utilization of heat-shrink tube further improves the sealing performance that high-tension cable leads directly to transition joint copper protective shell.
Specifically, one end of the second cylinder copper pipe 12 is equipped with the sealing lead port 14 connecting with cable metal sheath, institute
The circumference for stating sealing lead port 14 is equipped with several " V " type grooves, and the sealing lead port 14 uses the side of sealing lead with cable metal sheath
Formula connection, the structure of sealing lead port 14 make to connect stronger reliable, raising security performance.
In the present embodiment, the ground connections 2 include solid copper bar 21 and hollow copper tubing 22, the solid copper bar 21
One end be connected on the side wall of the second cylinder copper pipe 12,90 ° of other end bending simultaneously connects hollow copper tubing 22, the hollow copper tubing
22 central axes and 12 axis parallel of the second cylinder copper pipe, the ground connections 2 are equipped with one, both ensure that copper protective shell 1
It can be grounded, improve Electrical Safety, in turn avoid occurring multipoint earthing in operational process and transition joint being caused to be broken down.
The above, the only better embodiment of the utility model, but the utility model is not limited to above-mentioned reality
Example is applied, as long as its technical effect for reaching the utility model with any same or similar means, all should belong to the utility model
Protection scope.
Claims (5)
1. a kind of high-tension cable leads directly to transition joint copper protective shell, including copper protective shell (1) and it is set on the outside of copper protective shell
Ground connections (2), it is characterised in that: it further include the waterproof insulating layer (3) for waterproof insulation, the waterproof insulating layer cladding
On the outer wall of copper protective shell and ground connections, the copper protective shell includes the first cylinder copper pipe (11) and two second
Cylinder copper pipe (12), the diameter of the first cylinder copper pipe are greater than the diameter of the second cylinder copper pipe, the first cylinder copper pipe
Both ends rounding off connect two the second cylinder copper pipes, the both ends of the first cylinder copper pipe open up there are two for copper protect
The encapsulating mouth (13) of injection high pressure flame retardant sealant in shell, one end of the second cylinder copper pipe is equipped with to be connected with cable metal sheath
The sealing lead port (14) connect.
2. a kind of high-tension cable according to claim 1 leads directly to transition joint copper protective shell, it is characterised in that: the sealing lead
The circumference of port is equipped with several " V " type grooves, and the sealing lead port is connect by the way of sealing lead with cable metal sheath.
3. a kind of high-tension cable according to claim 1 leads directly to transition joint copper protective shell, it is characterised in that: the encapsulating
Mouth is equipped with dismountable glue lid (15), and the glue lid can inject copper protective shell by encapsulating mouth in high pressure flame retardant sealant
After seal encapsulating mouth.
4. a kind of high-tension cable according to claim 1 leads directly to transition joint copper protective shell, it is characterised in that: the waterproof
The thickness of insulating layer is not less than 7mm, and the waterproof insulating layer is an integral structure with copper protective shell, ground connections.
5. a kind of high-tension cable according to claim 1 leads directly to transition joint copper protective shell, it is characterised in that: the ground connection
Connector includes solid copper bar (21) and hollow copper tubing (22), and one end of the solid copper bar is connected to the side of the second cylinder copper pipe
On wall, 90 ° of other end bending simultaneously connects hollow copper tubing, and the central axes and the second cylinder copper pipe central axes of the hollow copper tubing are flat
Row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592897.5U CN208190227U (en) | 2018-04-24 | 2018-04-24 | A kind of straight-through transition joint copper protective shell of high-tension cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820592897.5U CN208190227U (en) | 2018-04-24 | 2018-04-24 | A kind of straight-through transition joint copper protective shell of high-tension cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208190227U true CN208190227U (en) | 2018-12-04 |
Family
ID=64435122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820592897.5U Active CN208190227U (en) | 2018-04-24 | 2018-04-24 | A kind of straight-through transition joint copper protective shell of high-tension cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208190227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767803A (en) * | 2018-07-26 | 2018-11-06 | 中国石油大学胜利学院 | A kind of bracing means avoiding tieing damage among cable |
| CN110867783A (en) * | 2019-11-05 | 2020-03-06 | 广东电网有限责任公司 | Improved cable lead-coating method |
-
2018
- 2018-04-24 CN CN201820592897.5U patent/CN208190227U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767803A (en) * | 2018-07-26 | 2018-11-06 | 中国石油大学胜利学院 | A kind of bracing means avoiding tieing damage among cable |
| CN108767803B (en) * | 2018-07-26 | 2023-11-28 | 中国石油大学胜利学院 | Reinforcing apparatus for avoiding damage of cable intermediate joint |
| CN110867783A (en) * | 2019-11-05 | 2020-03-06 | 广东电网有限责任公司 | Improved cable lead-coating method |
| CN110867783B (en) * | 2019-11-05 | 2020-12-29 | 广东电网有限责任公司 | Cable lead-coating method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 519085 Factory Building No. 89, Jinfeng North Road, Phase II, Science and Technology Innovation Coast, Zhuhai High-tech Zone, Guangdong Province Patentee after: Changyuan Electric Technology Co., Ltd. Address before: 519000 7th Floor, Red Tower Building, 244 Jida Shuiwan Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Changyuan Electric Technology Co., Ltd. |
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| CP02 | Change in the address of a patent holder |