CN205141617U - Cable branch case insulating boot - Google Patents
Cable branch case insulating boot Download PDFInfo
- Publication number
- CN205141617U CN205141617U CN201520883783.2U CN201520883783U CN205141617U CN 205141617 U CN205141617 U CN 205141617U CN 201520883783 U CN201520883783 U CN 201520883783U CN 205141617 U CN205141617 U CN 205141617U
- Authority
- CN
- China
- Prior art keywords
- cable
- insulating
- cable head
- looks
- cable branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 230000007547 defect Effects 0.000 abstract description 16
- 230000008030 elimination Effects 0.000 abstract description 15
- 238000003379 elimination reaction Methods 0.000 abstract description 15
- 239000004020 conductor Substances 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Electric Cable Installation (AREA)
Abstract
The utility model discloses a cable branch case insulating boot is connected to form by upper and lower two parts, and top is through -hole (3) that are corresponded each looks cable head respectively the three wall placed by baffle (1) that insulating material made being used for of constituteing, and lower portion is insulating dull and stereotyped (2). There is the through -hole of three wall on top for in placing each looks cable head respectively the through -hole that corresponds, keeping apart each looks cable head on the physics, only opening the door of these looks when carrying out live working mutually a certain, will be in addition double -phase door is close, has prevented the emergence of line -to -line short -circuit and relatively short circuit. The lower part divide into insulatingly dull and stereotyped, carries out physics with the person and cable conductor and keeps apart. The personal safety has been ensured when electrified rapid elimination cable head defect, the quick plug of cable head. The utility model discloses when having guaranteed dielectric strength, guaranteed that the feeder pillar insulating boot has the handling ease, low temperature resistant, heat resistance is strong, light and the high advantage of intensity.
Description
Technical field
The utility model relates to a kind of cable branch box, is specifically related to a kind of cable branch box uninterrupted operation insulation protecting device.
Background technology
Along with the fast development of Urban Electric Network Cabling process, the safe operation of power cable line becomes the key ensureing power supply reliability, and distribution line safe and stable operation has been directly connected to the need for electricity of vast power consumer.Carrying out of cable uninterrupted operation, make live line working personnel in cable branch box, carry out the work of warm swap cable end, the need for electricity of vast power consumer can be met to greatest extent, ensure the normal electricity consumption of client, by urban district 10kV cable line accident maintenance time shorten to minimum.South rainwater is many, has a humid climate, because humidity causes the splice insulation of cable branch box inner cable aging, causes the situation of feeder pillar short circuit to happen occasionally.Therefore in cable branch box, charged defect elimination, the interim power taking of cable fast insert-pull are existing situation requirements.
Affecting cable branch box can not charged principal element of carrying out defect elimination be cable branch box compact conformation, and phase spacing is near, and cable and feeder pillar shell naked separate.
Cable branch box structure is little, and inner space is narrow, and phase spacing is little, cable and feeder pillar shell naked separate, when adopting cable uninterrupted operation to cable end defect elimination or warm swap, may there is electric shock accidents in operating personnel, the danger of operation increases greatly.So be necessary, to how to reduce operating risk, to increase work efficiency, carry out the charged defect elimination of 10kV feeder pillar cable end safely and efficiently and warm swap work is studied.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of can to feeder pillar cable end carry out charged defect elimination and fast live line plug operation time protection personal safety cable branch box insulating cover.
In order to solve the problems of the technologies described above, the cable branch box insulating cover that the utility model provides, connected to form by upper and lower two parts, the through holes for corresponding three of placing of each phase cable end difference being cut off that the dividing plate that upper part is made up of insulating material forms, lower part is insulating plate.
Described insulating plate place plane is mutually vertical with the lower plane of upper part.
Described dividing plate and insulating plate adopt crosslinked polyethylene as insulating material processing and fabricating, while ensure that dielectric strength, ensure that the advantage that feeder pillar insulating cover has handling ease, low temperature resistant, thermal endurance is strong, light and intensity is high.
Described feeder pillar insulating cover upper part has three through holes cut off, and for being placed into respectively by each phase cable end in corresponding through hole, physically isolating each phase cable end, preventing the generation of phase fault and relative ground circuit.
Three described through holes cut off all with gate device, to a certain carry out live line working mutually time, only the door of this phase is opened, the door of other two-phase is shut, prevents the generation of phase fault, ensure that the safety of operating personnel.
Described feeder pillar insulating cover bottom is divided into insulating plate, the person and cable can be carried out physical isolation, ensure personal safety, can realize charged quick elimination cable end defect, cable end fast insert-pull.
Adopt the cable branch box insulating cover of technique scheme, its operation principle is as follows: this feeder pillar insulating cover upper part has three through holes cut off, for each phase cable end being placed into respectively in corresponding through hole, physically each phase cable end is isolated, simultaneously through hole is with gate device, to a certain carry out live line working mutually time, only the door of this phase is opened, the door of other two-phase is shut, prevents the generation of phase fault and relative ground circuit; Bottom is divided into insulating plate, the person and cable can be carried out physical isolation, ensure personal safety, can realize charged quick elimination cable end defect, cable end fast insert-pull.
The utility model, by adopting crosslinked polyethylene as insulating material processing and fabricating, while ensure that dielectric strength, ensure that the advantage that feeder pillar insulating cover has handling ease, low temperature resistant, thermal endurance is strong, light and intensity is high.Can make live line working personnel in cable end feeder pillar safety carry out cable end defect elimination and the work of warm swap cable end.
Use the advantage after feeder pillar insulating cover: by innovation power tool, improve the fail safe of cable uninterrupted operation, meet the need for electricity of vast power consumer to greatest extent, ensure that the normal electricity consumption of client, ensure the personal safety of operating personnel when charged quick elimination cable end defect, cable end fast insert-pull.Use feeder pillar insulating cover to carry out live line working will make a significant contribution in raising power supply reliability and economy, solve the difficult problem that cable branch box cannot carry out charged defect elimination.
In sum, the utility model is a kind of cable branch box insulating cover of protection personal safety when can carry out defect elimination and the operation of cable fast insert-pull to feeder pillar cable end.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is vertical view of the present utility model.
Fig. 3 is left view of the present utility model.
Fig. 4 is stereogram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the cable branch box insulating cover that the utility model provides, connected to form by upper and lower two parts, the through holes 3 for corresponding three of placing of each phase cable end difference being cut off that the dividing plate 1 that upper part is made up of insulating material forms, lower part is insulating plate 2.
Particularly, insulating plate 2 place plane is mutually vertical with the lower plane of upper part.
Dividing plate 1 and insulating plate 2 adopt crosslinked polyethylene as insulating material processing and fabricating, while ensure that dielectric strength, ensure that the advantage that feeder pillar insulating cover has handling ease, low temperature resistant, thermal endurance is strong, light and intensity is high.
Feeder pillar insulating cover upper part has three through holes cut off 3, for being placed into respectively by each phase cable end in corresponding through hole 3, physically isolating each phase cable end, preventing the generation of phase fault and relative ground circuit.
Three through holes 3 cut off all with gate device 4, to a certain carry out live line working mutually time, the gate device 4 of this phase to be opened, the gate device 4 of other two-phase is shut, prevents the generation of phase fault, ensure that the safety of operating personnel.
Feeder pillar insulating cover bottom is divided into insulating plate 2, the person and cable can be carried out physical isolation, ensure personal safety, can realize charged quick elimination cable end defect, cable end fast insert-pull.
The concrete in use operation process of this cable branch box insulating cover comprises the steps:
Step 1, opens cable branch cover plate;
Step 2, cable branch box insulating cover inserts in feeder pillar and covers;
Step 3, to a certain carry out live line working mutually time, only the gate device 4 of this phase is opened, the door of other two-phase is shut;
Step 4, covers cable rear portion by insulated target;
Step 5, carries out the fast insert-pull of on-line treatment and the interim power taking of feeder pillar to the defect such as humidified insulation, damage in insulation, surface creepage, ground wire electric discharge of cable end.
Operation principle of the present utility model is as follows: this cable branch box insulating cover upper part has three through holes cut off 3, for each phase cable end being placed into respectively in corresponding through hole 3, physically each phase cable end is isolated, through hole 3 is with gate device 4 simultaneously, to a certain carry out live line working mutually time, only the gate device 4 of this phase is opened, the gate device 4 of other two-phase is shut, prevents the generation of phase fault and relative ground circuit; Bottom is divided into insulating plate 2, the person and cable can be carried out physical isolation, ensure personal safety, can realize charged quick elimination cable end defect, cable end fast insert-pull.
The utility model, by adopting crosslinked polyethylene as insulating material processing and fabricating, while ensure that dielectric strength, ensure that the advantage that feeder pillar insulating cover has handling ease, low temperature resistant, thermal endurance is strong, light and intensity is high.Can make live line working personnel in cable end feeder pillar safety carry out cable end defect elimination and the work of warm swap cable end.
Claims (4)
1. a cable branch box insulating cover, it is characterized in that: connected to form by upper and lower two parts, the through holes (3) for corresponding three of placing of each phase cable end difference being cut off that the dividing plate (1) that upper part is made up of insulating material forms, lower part is insulating plate (2).
2. cable branch box insulating cover according to claim 1, is characterized in that: described insulating plate (2) place plane is mutually vertical with the lower plane of upper part.
3. cable branch box insulating cover according to claim 1 and 2, is characterized in that: described dividing plate (1) and insulating plate (2) adopt crosslinked polyethylene as insulating material processing and fabricating.
4. cable branch box insulating cover according to claim 1 and 2, is characterized in that: three described through holes (3) cut off are all with gate device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883783.2U CN205141617U (en) | 2015-11-05 | 2015-11-05 | Cable branch case insulating boot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520883783.2U CN205141617U (en) | 2015-11-05 | 2015-11-05 | Cable branch case insulating boot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205141617U true CN205141617U (en) | 2016-04-06 |
Family
ID=55627371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520883783.2U Active CN205141617U (en) | 2015-11-05 | 2015-11-05 | Cable branch case insulating boot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205141617U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293869A (en) * | 2017-07-12 | 2017-10-24 | 厦门市众慧悦和科技有限公司 | The insulation protecting device of snap joint in the middle of a kind of flexible cable |
| CN109301739A (en) * | 2018-11-14 | 2019-02-01 | 国网浙江新昌县供电有限公司 | Charged for replacement low-voltage cable junction box inner breaker insulated isolated device |
| CN110224348A (en) * | 2019-06-17 | 2019-09-10 | 国网湖北省电力有限公司宜昌供电公司 | A kind of live line connection method at the interior electrification position of isolation low-voltage cable junction box |
| CN112018716A (en) * | 2020-09-21 | 2020-12-01 | 安徽伊法拉电气股份有限公司 | Insulation protection device for quick connector in middle of flexible cable |
-
2015
- 2015-11-05 CN CN201520883783.2U patent/CN205141617U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107293869A (en) * | 2017-07-12 | 2017-10-24 | 厦门市众慧悦和科技有限公司 | The insulation protecting device of snap joint in the middle of a kind of flexible cable |
| CN107293869B (en) * | 2017-07-12 | 2023-06-13 | 厦门市众慧悦和科技有限公司 | Insulation protection device of quick-operation joint in middle of flexible cable |
| CN109301739A (en) * | 2018-11-14 | 2019-02-01 | 国网浙江新昌县供电有限公司 | Charged for replacement low-voltage cable junction box inner breaker insulated isolated device |
| CN110224348A (en) * | 2019-06-17 | 2019-09-10 | 国网湖北省电力有限公司宜昌供电公司 | A kind of live line connection method at the interior electrification position of isolation low-voltage cable junction box |
| CN110224348B (en) * | 2019-06-17 | 2020-09-18 | 国网湖北省电力有限公司宜昌供电公司 | Live-line wiring method for isolating live-line part in low-voltage cable branch box |
| CN112018716A (en) * | 2020-09-21 | 2020-12-01 | 安徽伊法拉电气股份有限公司 | Insulation protection device for quick connector in middle of flexible cable |
| CN112018716B (en) * | 2020-09-21 | 2021-12-28 | 安徽伊法拉电气股份有限公司 | Insulation protection device for quick connector in middle of flexible cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170605 Address after: 410100 Hunan province Changsha Xingsha City Economic Development Zone Li Xiang Road No. 8 Co-patentee after: State Grid Hunan Electric Power Company Patentee after: Guo Wang Hunan Province Utilities Electric Co. live line working center Co-patentee after: State Grid Corporation of China Address before: 410100 Hunan province Changsha City Economic Development Zone Li Xiang Road No. 8 Co-patentee before: State Grid Hunan Electric Power Company Patentee before: Guo Wang Hunan Province Utilities Electric Co. live line working center Co-patentee before: State Grid Corporation of China Co-patentee before: HUNAN TAIPING CHANGSHENG ELECTRIC APPLIANCES CO., LTD. |