CN207801450U - A kind of 110kV cable intermediate joints shielding case - Google Patents
A kind of 110kV cable intermediate joints shielding case Download PDFInfo
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- CN207801450U CN207801450U CN201820252534.7U CN201820252534U CN207801450U CN 207801450 U CN207801450 U CN 207801450U CN 201820252534 U CN201820252534 U CN 201820252534U CN 207801450 U CN207801450 U CN 207801450U
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- cable
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- shielding
- cover body
- card slot
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Abstract
The utility model discloses a kind of 110kV cable intermediate joints shielding case, including shielding cover body, the both ends on the inside of the shielding cover body are respectively equipped with card slot to form buckle in two ends of shielding cover body.When installation, it peels off 110kV power cable with cross-linked polyethylene insulation outer layers and exposes one and disconnect cable core, and scene cuts the major insulation card slot being clasped with shielding case on cable outer layer, two cable cores are inserted in copper connecting tube, shielding case is stuck in cable major insulation card slot by buckling, shielding case inside copper litz wire is connected with cable core, and shielding case lateral surface is contacted with the inner shield of transition joint, forms equipotential.The utility model shielding case is by being stuck in 110kV power cable with cross-linked polyethylene insulation major insulation card slots, and insulation retraction, improves cable running safety when avoiding the operation of 110kV power cable with cross-linked polyethylene insulations.
Description
Technical field
The utility model belongs to crosslinked cable intermediate connector field, is related to a kind of 110kV cable intermediate joints shielding case, tool
Say to body it is a kind of 110kV power cable with cross-linked polyethylene insulations transition joint shielding case.
Background technology
Currently, as crosslinked cable is commonly used, the transition joint of crosslinked cable is still the weakness in cable running safety
Link, it is higher and higher to the reliability requirement of power circuit with the sustainable development of economic and technique level, therefore it provides reliably
Cable intermediate joint equipment it is very necessary.Cable intermediate joint has stress cone, shielded-plate tube, insulating layer and external screen under normal conditions
Layer is covered, shielding case is generally designed using non-card slot.When 110kV power cable with cross-linked polyethylene insulations are run, especially duty factor
When larger, cable heating is bigger, due to being fixedly connected between shielded-plate tube and cable that progress is not any, holds at transition joint
Easily cause insulation retraction.
Utility model content
The purpose of this utility model is to provide a kind of 110kV cable intermediate joints shielding case.
The purpose of this utility model is achieved through the following technical solutions：
A kind of 110kV cable intermediate joints shielding case, including shielding cover body 1, in 1 inside of shielding cover body
Both ends are respectively equipped with card slot 11 to form buckle 12 in two ends of shielding cover body 1.
1 inside of shielding cover body is equipped with connecting terminal for connecting copper wire.
The thickness of the shielding cover body 1 is 3-4mm, and the depth of card slot 11 is 2-2.5mm.
The material of the shielding cover body 1 is aluminium alloy.
The shielding cover body 1 is in semi-circular cylindrical.The shape of shielding cover body can also be adjusted according to actual needs, only
Ensure that cylindric shielded layer can be spliced into when mounted.
When installation, peels off the insulation of 110kV power cable with cross-linked polyethylene insulations and expose one and disconnect cable core, and scene is in electricity
The major insulation card slot being clasped with shielding case, the protrusion with the cooperation of shielding case card slot are cut on cable outer layer, by two cables
Core is inserted in copper connecting tube, then crimping connection, and 2 shielding cases are symmetrically stuck in cable major insulation card slot by buckling,
Shielding case lateral surface and cable outer surface is set to flush to form shielded-plate tube by the card slot on shielding case simultaneously, shielding case inside copper
Litzendraht wire is connected with copper connecting tube, and shielding case lateral surface is contacted with the inner shield of transition joint, forms equipotential.
The beneficial effects of the utility model：
The utility model shielding case by being stuck in 110kV power cable with cross-linked polyethylene insulation major insulation card slots,
Insulation retraction, improves cable running safety when can prevent 110kV power cable with cross-linked polyethylene insulations from running.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model 110kV transition joint shielding cases.
In Fig. 1,1- shields cover body, 11- card slots, 12- buckles.
Fig. 2 is the installation application schematic diagram of the utility model 110kV transition joint shielding cases.
In Fig. 2,1- shielding cover bodies, 2-110kV power cable with cross-linked polyethylene insulations, 3- cable cores, 4- copper connecting tubes,
5- major insulation card slots.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of 110kV cable intermediate joints shielding case, includes the shielding cover body 1 in semi-circular cylindrical,
The both ends of 1 inside of shielding cover body are respectively equipped with card slot 11 to form buckle in two ends of shielding cover body 1
12；1 inside of shielding cover body is equipped with connecting terminal for connecting copper wire.
The material of the shielding cover body 1 is aluminium alloy.The thickness of the shielding cover body 1 is 3-4mm, card slot 11
Depth be 2-2.5mm.
As shown in Fig. 2, when installation, peels off 2 outer layer of 110kV power cable with cross-linked polyethylene insulations and expose one and disconnect cable core
3, and scene the major insulation card slot 5 being clasped with shielding case is cut on cable outer layer, coordinate with shielding case card slot it is convex
It rises, two cable cores 3 is inserted in copper connecting tube 4, then crimping connection, shielding case is stuck in by cable major insulation by buckle 11
In card slot 5, while shielding case lateral surface and cable outer surface is set to flush to form shielded-plate tube by the card slot on shielding case, shielding case
Inside copper litz wire is connected with copper connecting tube, and shielding case lateral surface is contacted with the inner shield of transition joint, forms equipotential.
When 110kV power cable with cross-linked polyethylene insulations are run, when especially loading bigger, cable heating is bigger,
It is be easy to cause insulation retraction in joint, to be stuck in 110kV crosslinked polyetylene insulated by buckle 12 using the present embodiment shielding case
In power cable major insulation card slot 5, when operation, can prevent insulation from bouncing back.
Claims (5)
1. a kind of 110kV cable intermediate joints shielding case, it is characterised in that including shielding cover body (1), in the shielding case
Both ends on the inside of ontology (1) are respectively equipped with card slot (11) to form buckle (12) in two ends of shielding cover body (1).
2. 110kV cable intermediate joints shielding case according to claim 1, it is characterised in that the shielding cover body
(1) inside is equipped with connecting terminal for connecting copper wire.
3. 110kV cable intermediate joints shielding case according to claim 1, it is characterised in that the shielding cover body
(1) thickness is 3-4mm, and the depth of card slot (11) is 2-2.5mm.
4. 110kV cable intermediate joints shielding case according to claim 1, it is characterised in that the shielding cover body
(1) material is aluminium alloy.
5. 110kV cable intermediate joints shielding case according to claim 1, it is characterised in that the shielding cover body
(1) it is in semi-circular cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252534.7U CN207801450U (en) | 2018-02-12 | 2018-02-12 | A kind of 110kV cable intermediate joints shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820252534.7U CN207801450U (en) | 2018-02-12 | 2018-02-12 | A kind of 110kV cable intermediate joints shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801450U true CN207801450U (en) | 2018-08-31 |
Family
ID=63276325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820252534.7U Active CN207801450U (en) | 2018-02-12 | 2018-02-12 | A kind of 110kV cable intermediate joints shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242787A (en) * | 2016-12-27 | 2018-07-03 | 住友电装株式会社 | Protection pipe and wirning harness |
-
2018
- 2018-02-12 CN CN201820252534.7U patent/CN207801450U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108242787A (en) * | 2016-12-27 | 2018-07-03 | 住友电装株式会社 | Protection pipe and wirning harness |
| CN108242787B (en) * | 2016-12-27 | 2020-09-11 | 住友电装株式会社 | Protective tube and wire harness |
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