CN210607072U - Voltage-sharing device for high-voltage isolating switch - Google Patents
Voltage-sharing device for high-voltage isolating switch Download PDFInfo
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- CN210607072U CN210607072U CN201922007065.XU CN201922007065U CN210607072U CN 210607072 U CN210607072 U CN 210607072U CN 201922007065 U CN201922007065 U CN 201922007065U CN 210607072 U CN210607072 U CN 210607072U
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- equalizer ring
- isolating switch
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Abstract
The utility model belongs to the technical field of the high pressure isolator technique and specifically relates to a voltage-sharing device for high pressure isolator, including the high pressure isolator body, first equalizer ring and fourth equalizer ring are fixed with first connecting plate jointly, second equalizer ring and third equalizer ring are fixed with the second connecting plate jointly, and threaded connection has four nuts that are located respectively on first connecting plate and second connecting plate top surface and the bottom surface on the threaded rod, the high pressure isolator body outside is equipped with protection machanism. The utility model discloses a protection dustcoat among the protection machanism can prevent that the wind and snow dust from corroding high-pressure isolator body, first equalizer ring, second equalizer ring, third equalizer ring and fourth equalizer ring, and first equalizer ring, second equalizer ring, third equalizer ring and fourth equalizer ring accessible threaded rod and nut are adjusted in addition, have solved the mesh that voltage-sharing device can not adjust.
Description
Technical Field
The utility model relates to a high voltage isolator technical field especially relates to a voltage-sharing device for high voltage isolator.
Background
The high-voltage isolating switch on the roof of the electric locomotive and the supporting insulator thereof are important outdoor high-voltage electric appliances, the high-voltage isolating switch on the roof is a main switch device without load action and is used for isolating related equipment or loops, the supporting insulator plays a role in supporting a pantograph and a bus bar and isolating a high-voltage end from a low-voltage end, the electric field distribution of the high-voltage end is analyzed and optimized, and the safe operation of the electric locomotive is favorably improved, because of the appearance structure characteristics of the high-voltage isolating switch, the surface field intensity distribution and the potential distribution of the high-voltage isolating switch without a voltage-sharing device are extremely uneven, the field intensities of the movable and static contact joints, the upper and lower conducting arm connecting forks and the base part are very high, the excessively high surface field intensity can not only generate corona discharge to influence the electromagnetic environment around the high-voltage isolating switch, generate audible noise pollution, but also generate stronger electric, therefore, the problem of uneven distribution of the electric potential field strength at the main connection part of the high-voltage isolating switch is often solved by adopting a method for installing the voltage-sharing device, the maximum field strength is transferred from the surface of the high-voltage isolating switch to the surface of the voltage-sharing device by installing the voltage-sharing device, and the distribution of the electric field on the surface of the high-voltage isolating switch is effectively improved.
The existing voltage-sharing device for the high-voltage isolating switch is generally fixed on an insulator through bolts, the bolts exposed outside are easy to rust, so that the connection is not firm, and the position of the voltage-sharing device cannot be adjusted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the exposed bolt of the pressure equalizing device is easy to be rusted to cause insecure connection in the prior art, and the pressure equalizing device can not adjust the position, and the pressure equalizing device for the high-voltage isolating switch is provided.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a voltage-sharing device for high voltage isolator, includes the high voltage isolator body, two support insulator bottoms and bottom on the high voltage isolator body are overlapped respectively and are equipped with first equalizer ring, second equalizer ring, third equalizer ring and fourth equalizer ring, first equalizer ring and fourth equalizer ring are fixed with first connecting plate jointly, second equalizer ring and third equalizer ring are fixed with the second connecting plate jointly, first connecting plate and second connecting plate are connected with its threaded rod that runs through and rather than sliding connection jointly, threaded rod bottom is fixed in the middle of high voltage isolator body bottom, and threaded connection has four nuts that are located first connecting plate and second connecting plate top surface and bottom surface respectively on the threaded rod, the high voltage isolator body outside is equipped with protection machanism.
Preferably, the protection mechanism comprises four guide rods and a protection outer cover, the four guide rods are vertically fixed on four corners of the bottom of the high-voltage isolating switch body respectively, jacks are arranged on four corners of the top surface of the protection outer cover and are respectively inserted into the four guide rods, and a limiting mechanism is arranged at the top of each guide rod.
Preferably, the limiting mechanism comprises a through hole arranged on the side face of the guide rod, a sliding opening communicated with the inside of the through hole is formed above the through hole, a spring inserted in the middle of the through hole is arranged below the sliding opening, limiting columns are inserted at two ends of the through hole, and a blocking column clamped in the sliding opening is fixed at the top end of each limiting column.
Preferably, the guide rod is square in design and is made of stainless steel.
Preferably, the first connecting plate and the second connecting plate are both designed to be square, and both the first connecting plate and the second connecting plate are made of insulating plastic.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a protection dustcoat among the protection machanism can prevent that the wind and snow dust from corroding high-pressure isolator body, first equalizer ring, second equalizer ring, third equalizer ring and fourth equalizer ring, and first equalizer ring, second equalizer ring, third equalizer ring and fourth equalizer ring accessible threaded rod and nut are adjusted in addition, have solved the mesh that voltage-sharing device can not adjust.
Drawings
Fig. 1 is a schematic structural view of a voltage-sharing device for a high-voltage isolating switch according to the present invention;
fig. 2 is a sectional view of a voltage-sharing device for a high-voltage isolating switch according to the present invention;
fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: the high-voltage isolating switch comprises a high-voltage isolating switch body 1, a first equalizing ring 2, a second equalizing ring 3, a third equalizing ring 4, a fourth equalizing ring 5, a first connecting plate 6, a second connecting plate 7, a threaded rod 8, a nut 9, a guide rod 10, a protective outer cover 11, a jack 12, a through hole 13, a sliding opening 14, a spring 15, a limiting column 16 and a catch column 17.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in figures 1-3, the voltage-sharing device for the high-voltage isolating switch comprises a high-voltage isolating switch body 1, wherein the bottom ends and the bottom ends of two supporting insulators on the high-voltage isolating switch body 1 are respectively sleeved with a first equalizing ring 2, a second equalizing ring 3, a third equalizing ring 4 and a fourth equalizing ring 5, the first equalizing ring 2 and the fourth equalizing ring 5 are jointly fixed with a first connecting plate 6, the second equalizing ring 3 and the third equalizing ring 4 are jointly fixed with a second connecting plate 7, the first connecting plate 6 and the second connecting plate 7 are both designed to be square, the first connecting plate 6 and the second connecting plate 7 are both made of insulating plastics, the first connecting plate 6 and the second connecting plate 7 are jointly connected with a threaded rod 8 which penetrates through the first connecting plate and is in sliding connection with the first connecting plate, the bottom of the threaded rod 8 is fixed in the middle of the bottom of the high-voltage isolating switch body 1, and four nuts 9 which are respectively positioned on the top surface and the bottom surface of the first connecting plate, the protection mechanism is arranged on the outer side of the high-voltage isolating switch body 1, the first equalizing ring 2, the second equalizing ring 3, the third equalizing ring 4 and the fourth equalizing ring 5 can equalize the voltage of the high-voltage isolating switch body 1, the threaded rod 8 is matched with the positions of the nut 9, which can adjust the first equalizing ring 2, the second equalizing ring 3, the third equalizing ring 4 and the fourth equalizing ring 5, on the two supporting insulators on the high-voltage isolating switch body 1, so that the voltage equalizing effect of the high-voltage isolating switch body 1 is better.
Protection machanism includes four guide arms 10 and protection dustcoat 11, guide arm 10 designs for squarely, and guide arm 10 is made by the stainless steel, four guide arms 10 are vertical respectively and fix on 1 bottom four corners of high voltage isolator body, all be equipped with jack 12 on the 11 top surface four corners of protection dustcoat, four jack 12 respectively with four guide arm 10 cartridge together, and every guide arm 10 top all is equipped with stop gear, can be to high voltage isolator body 1 and first equalizer ring 2 through protection dustcoat 11 among the protection machanism, second equalizer ring 3, third equalizer ring 4 and fourth equalizer ring 5 protect, prevent high voltage isolator body 1 and first equalizer ring 2, second equalizer ring 3, third equalizer ring 4 and fourth equalizer ring 5 are corroded and damaged.
The limiting mechanism comprises a through hole 13 arranged on the side face of the guide rod 10, a sliding opening 14 communicated with the inside of the through hole 13 is arranged above the through hole 13, a spring 15 inserted in the middle of the through hole 13 is arranged below the sliding opening 14, limiting columns 16 are inserted at two ends of the through hole 13, a stop column 17 clamped in the sliding opening 14 is fixed at the top end of each limiting column 16, the limiting mechanism can prevent the protective outer cover 11 from falling off from the guide rod 10, the two limiting columns 16 on the through hole 13 can stop the jack 12 under the pushing of the spring 15, and the protective outer cover 11 is prevented from being separated from the guide rod 10.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a voltage-sharing device for high voltage isolator, includes high voltage isolator body (1), its characterized in that, two support insulator bottoms and bottom on high voltage isolator body (1) are overlapped respectively and are equipped with first equalizer ring (2), second equalizer ring (3), third equalizer ring (4) and fourth equalizer ring (5), first equalizer ring (2) and fourth equalizer ring (5) are fixed with first connecting plate (6) jointly, second equalizer ring (3) and third equalizer ring (4) are fixed with second connecting plate (7) jointly, first connecting plate (6) and second connecting plate (7) are connected with jointly and run through it and rather than sliding connection's threaded rod (8), threaded rod (8) bottom is fixed in the middle of high voltage isolator body (1) bottom, and threaded rod (8) go up threaded connection have four nuts that are located on first connecting plate (6) and second connecting plate (7) top surface and the bottom surface respectively and threaded rod (8) (9) And a protection mechanism is arranged on the outer side of the high-voltage isolating switch body (1).
2. The voltage-sharing device for the high-voltage isolating switch according to claim 1, wherein the protection mechanism comprises four guide rods (10) and a protection outer cover (11), the four guide rods (10) are respectively vertically fixed on four corners of the bottom of the high-voltage isolating switch body (1), four insertion holes (12) are respectively arranged on four corners of the top surface of the protection outer cover (11), the four insertion holes (12) are respectively inserted into the four guide rods (10), and a limiting mechanism is arranged at the top of each guide rod (10).
3. The voltage-sharing device for the high-voltage isolating switch according to claim 2, wherein the limiting mechanism comprises a through hole (13) arranged on the side surface of the guide rod (10), a sliding opening (14) communicated with the through hole is arranged above the through hole (13), a spring (15) inserted in the middle of the through hole (13) is arranged below the sliding opening (14), limiting posts (16) are inserted at two ends of the through hole (13), and a stop post (17) clamped in the sliding opening (14) is fixed at the top end of each limiting post (16).
4. The voltage equalizer for a high-voltage isolating switch according to claim 2, characterized in that the guide rod (10) is designed to be square, and the guide rod (10) is made of stainless steel.
5. The voltage-sharing arrangement for high-voltage disconnectors according to claim 1, characterized in that the first connecting plate (6) and the second connecting plate (7) are both designed as squares and the first connecting plate (6) and the second connecting plate (7) are both made of insulating plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922007065.XU CN210607072U (en) | 2019-11-20 | 2019-11-20 | Voltage-sharing device for high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922007065.XU CN210607072U (en) | 2019-11-20 | 2019-11-20 | Voltage-sharing device for high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210607072U true CN210607072U (en) | 2020-05-22 |
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ID=70688131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922007065.XU Active CN210607072U (en) | 2019-11-20 | 2019-11-20 | Voltage-sharing device for high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210607072U (en) |
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2019
- 2019-11-20 CN CN201922007065.XU patent/CN210607072U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210316 Address after: 1402, yuemeite building, No.1, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: China India cloud (Shenzhen) Technology Co.,Ltd. Address before: 1305, yuemeite building, No.1, Gaoxin South 7th Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Lanke Microelectronics (Shenzhen) Co.,Ltd. |
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| TR01 | Transfer of patent right |