CN210866095U - Special shunting device for replacing drop-out fuse under load - Google Patents
Special shunting device for replacing drop-out fuse under load Download PDFInfo
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- CN210866095U CN210866095U CN201922365838.1U CN201922365838U CN210866095U CN 210866095 U CN210866095 U CN 210866095U CN 201922365838 U CN201922365838 U CN 201922365838U CN 210866095 U CN210866095 U CN 210866095U
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- insulating
- drop
- outer sleeve
- out fuse
- insulation
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- 238000009413 insulation Methods 0.000 claims abstract description 18
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 239000012212 insulator Substances 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a special diverging device of drop out fuse is changed in area load, include: the insulation fixing part, the insulation supporting part, the insulation outer sleeve, the insulation shunt line and the drainage wire clamp; the insulating fixing part is provided with angle steel, one side of the angle steel is fixed on a cross arm of the transformer rack or a cross arm of the three-phase drop-out fuse through a bolt, and the other side of the angle steel is fixed on an insulating fixing rod through a bolt; the supporting part is positioned below the insulating fixing rod and is provided with a plurality of 10 kilovolt silicon rubber insulators; and a rod hinge is arranged between the insulating outer sleeve and the insulating fixed rod, the insulating shunt line penetrates through the insulating outer sleeve, drainage wire clamps are arranged at two ends of the insulating shunt line, and the drainage wire clamps at the two ends are respectively connected with the drainage wires at the upper end and the lower end of the drop fuse. The utility model discloses can effectively improve power supply reliability and high-quality service level, avoid the low pressure user to have a power failure, stop unnecessary electric quantity loss.
Description
Technical Field
The utility model relates to an electric power field especially relates to a special diverging device of drop out fuse is changed in load.
Background
The drop-out fuse is used as a switching operation switch, a switching operation switch and short-circuit and overload protection in a 10kV distribution transformer and a branch line. Along with the social and economic development, the power consumption is increased, the phenomena of aging and damage occur, and the drop-out fuse is required to be replaced urgently, the special shunting device for the drop-out fuse becomes key equipment for determining whether the drop-out fuse can be replaced under load, and compared with the situation that the drop-out fuse is replaced under power failure and live working, when the equipment is replaced, the requirements of safety measures, the skill level of live working personnel, the field actual working environment, three measures for one operation, electroscope, tools and the like required by the operation are complex and various, certain operation safety risks exist, and the operation is limited to be developed to a certain extent.
The method for replacing the drop-out fuse in an electrified way can effectively improve the power supply reliability and the high-quality service level, particularly, the power failure of low-voltage users is directly avoided by adopting the operation of replacing the drop-out fuse in an electrified way at the low-voltage side of the transformer, the unnecessary electric quantity loss is avoided, the distribution network maintenance and the continuous power supply are considered, the economic benefit and the social benefit of a company coexist, and therefore, the shunting device special for replacing the drop-out fuse in an electrified way is particularly important.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a special diverging device of drop out fuse is changed in area load can effectively solve long, the live working work of power failure operation time by easily sending out accident scheduling problem.
The utility model provides a technical scheme is: the utility model provides a special diverging device of drop out fuse is changed in area load, includes: the insulation fixing part, the insulation supporting part, the insulation outer sleeve, the insulation shunt line and the drainage wire clamp;
the insulating fixing part is provided with angle steel, one side of the angle steel is fixed on a cross arm of the transformer rack or a cross arm of the three-phase drop-out fuse through a bolt, and the other side of the angle steel is fixed on an insulating fixing rod through a bolt;
the supporting part is positioned below the insulating fixing rod and is provided with a plurality of 10 kilovolt silicon rubber insulators;
and a rod hinge is arranged between the insulating outer sleeve and the insulating fixed rod, the insulating shunt line penetrates through the insulating outer sleeve, drainage wire clamps are arranged at two ends of the insulating shunt line, and the drainage wire clamps at the two ends are respectively connected with the drainage wires at the upper end and the lower end of the drop fuse.
Preferably, the insulating outer sleeve is made of epoxy resin, the insulating shunt line is made of cross-linked polyethylene, and the cross-sectional area is 59mm2。
Further preferably, the length of the insulating outer sleeve is 70cm, and the length of the insulating shunt line is 110 cm.
Further preferably, an electric composite grease is coated inside the insulated shunt wire.
The utility model provides a special diverging device of drop-out fuse is changed to load, compare in the past when changing circuit drop-out fuse with electricity, when the distribution transformer low-voltage side on the post can not have a power failure, can adopt special insulating drainage wire bypass short circuit drop-out fuse and both ends lead wire, change drop-out fuse under the situation of load, the current-carrying capacity of drainage wire and fastener matches the circuit load; insulating outer tube plays insulation protection to insulating drainage wire, and the effective safe distance of grounding bodies such as drainage wire and adjacent electrified body, cross arm is guaranteed to the both ends fastener adoption special fastener, insulating support, can take electrified change drop out fuse operation under transformer low pressure side load mode and directly avoided the low pressure user to have a power failure, has stopped unnecessary electric quantity loss, has accomplished to join in marriage net maintenance and has lasted the supply with electric power and compromise.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the working principle of the present invention;
in the figure: the cable comprises a fixing part 1, angle steels 101, an insulating fixing rod 102, a supporting part 2, an insulating outer sleeve 3, an insulating shunt line 4 and a drainage cable clamp 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the utility model provides a special diverging device of drop out fuse is changed in load, include: the insulation fixing part 1, the insulation supporting part 2, the insulation outer sleeve 3, the insulation shunt line 4 and the drainage wire clamp 5;
the insulating fixing part 1 is provided with angle steel 101, one side of the angle steel 101 is fixed on a cross arm of a transformer rack or a cross arm of a three-phase drop-out fuse through a bolt, and the other side of the angle steel 101 is fixed on an insulating fixing rod 102 through a bolt;
the supporting part 2 is positioned below the insulating fixing rod 102 and is provided with a plurality of 10KV silicon rubber insulators 201;
a rod hinge 301 is arranged between the insulating outer sleeve 3 and the insulating fixing rod 102, the insulating shunt line 4 penetrates through the insulating outer sleeve 3, drainage wire clamps 5 are arranged at two ends of the insulating shunt line 4, and the drainage wire clamps 5 at the two ends are respectively connected with drainage wires at the upper end and the lower end of the drop fuse.
As the improvement of the technical proposal, the insulation shunt line 4 adopts crosslinked polyethylene and has the cross-sectional area of 59mm2。
As the improvement of the technical scheme, considering that the installation length of the drop fuse is 40cm, the distance between the drop fuse and the two sides of the cross arm is about 20cm respectively, the safety distance of 40cm is kept for the cross arm according to the electrified drainage wire disconnected in operation, and considering that the bending degree of the bypass drainage wire in the installation process is 10cm, the length of the insulating outer sleeve 3 is 70cm, and the length of the insulating shunt wire 4 is 110 cm.
As the improvement of the technical scheme, the insulating shunt line slot is internally coated with electric composite grease.
As shown in fig. 2, when the insulated shunt line is used, I is always equal to I1+I2In which I1Is the main line current, I2When the drop-out fuse is replaced under load for shunting line current, the device is fixed on a cross arm of a transformer rack or a cross arm of a three-phase drop-out fuse through an insulating supporting clamp, and is fastened, after the firm installation is confirmed, the drainage wire clamps at two ends of the drainage wire are respectively connected with the drainage wire at the upper end and the lower end of the drop-out fuse, so that a temporary bypass operation system is formed, the temporary transfer of the carried load is realized, unnecessary power failure is solved, after the old drop-out fuse is replaced, the new drop-out fuse is put into operation, the temporary bypass can be removed, and the drop-out fuse can be replaced without stopping the load.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (4)
1. The utility model provides a special diverging device of drop out fuse is changed in area load which characterized in that includes: the insulation fixing part (1), the insulation supporting part (2), the insulation outer sleeve (3), the insulation shunt line (4) and the drainage wire clamp (5);
the insulating fixing part (1) is provided with angle steel (101), one side of the angle steel (101) is fixed on a cross arm of a transformer rack or a cross arm of a three-phase drop-out fuse through a bolt, and the other side of the angle steel (101) is fixed on an insulating fixing rod (102) through a bolt;
the supporting part (2) is positioned below the insulating fixing rod (102) and is provided with a plurality of 10 kilovolt silicon rubber insulators (201);
a rod hinge (301) is arranged between the insulating outer sleeve (3) and the insulating fixing rod (102), the insulating shunt line (4) penetrates through the insulating outer sleeve (3), drainage wire clamps (5) are arranged at two ends of the insulating shunt line (4), and the drainage wire clamps (5) at the two ends are respectively connected with drainage wires at the upper end and the lower end of the drop fuse.
2. The special shunting device for the drop-out fuse with load replacement according to claim 1, wherein the insulating outer sleeve (3) is made of epoxy resin, the insulating shunting wire (4) is made of cross-linked polyethylene, and the cross-sectional area of the insulating shunting wire is 59mm2。
3. The special shunting device for the drop-out fuse with load replacement according to claim 1, wherein the length of the insulating outer sleeve (3) is 70cm, and the length of the insulating shunting wire (4) is 110 cm.
4. The special shunting device for the drop-out fuse with load replacement according to claim 1, characterized in that the insulating shunting wires (4) are internally coated with electric compound grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365838.1U CN210866095U (en) | 2019-12-25 | 2019-12-25 | Special shunting device for replacing drop-out fuse under load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922365838.1U CN210866095U (en) | 2019-12-25 | 2019-12-25 | Special shunting device for replacing drop-out fuse under load |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210866095U true CN210866095U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922365838.1U Active CN210866095U (en) | 2019-12-25 | 2019-12-25 | Special shunting device for replacing drop-out fuse under load |
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| Country | Link |
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| CN (1) | CN210866095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884123A (en) * | 2020-07-09 | 2020-11-03 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
-
2019
- 2019-12-25 CN CN201922365838.1U patent/CN210866095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111884123A (en) * | 2020-07-09 | 2020-11-03 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
| CN111884123B (en) * | 2020-07-09 | 2021-09-21 | 国网天津市电力公司 | Load replacement protection device for drop-out fuse and live replacement method thereof |
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