CN113130246A - Outdoor double-column horizontal rotation type high-voltage isolating switch - Google Patents
Outdoor double-column horizontal rotation type high-voltage isolating switch Download PDFInfo
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- CN113130246A CN113130246A CN201911413639.1A CN201911413639A CN113130246A CN 113130246 A CN113130246 A CN 113130246A CN 201911413639 A CN201911413639 A CN 201911413639A CN 113130246 A CN113130246 A CN 113130246A
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- rod
- isolating switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
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Abstract
The invention discloses an outdoor double-column horizontal rotation type high-voltage isolating switch, which comprises a base, wherein two bearing seats are arranged on the base, a rotating plate at the upper end of each bearing seat is vertically and fixedly provided with a rod insulator, and a connecting rod is hinged between the two rotating plates; the two bar-shaped insulators rotate relatively, and a movable conductive knife switch and a static conductive knife switch are respectively and fixedly arranged at the top ends of the two insulators; a contact is arranged at the top end of the static conductive knife switch; horn-shaped dust covers are respectively sleeved on the dynamic conductive knife switch and the static conductive knife switch; the open ends of the two dust covers are oppositely buckled; a conical rotating shaft snow-water-proof cover is arranged at the top end of a hinged shaft of the connecting rod and the rotating plate; the side surface of the conical rotating shaft snow water prevention cover is uniformly distributed with flow guide convex ridges. Has the advantages that: the good running state of the isolating switch is ensured, the reliable running of the isolating switch is improved, and the safe production of electric power is ensured.
Description
The technical field is as follows:
the invention relates to power equipment, in particular to an outdoor double-column horizontal rotary high-voltage isolating switch.
Background art:
the isolating switch is also called an isolating knife switch, is one of high-voltage switches, and plays important roles of isolating a power supply, changing a system operation mode, switching on and off a small load current, switching off operation and the like in the operation of a power system. The high-voltage isolating switch has a large number of operation in the power system, and the quality and the operation and maintenance of the high-voltage isolating switch directly influence the safe operation of the power system.
However, in the arctic-alpine regions in the north, the wind and sand are large in spring and autumn, so that the surface of the disconnecting link is polluted and poor contact is caused; the snow water in winter freezes, makes the rotating member transmission of isolation switch difficult, increases the degree of difficulty of divide-shut brake, causes even to keep apart the corrosion serious, causes serious threat to electric power safety in production.
The invention content is as follows:
the invention aims to provide an outdoor double-column horizontal rotary high-voltage isolating switch which ensures the good running state of the isolating switch and improves the reliable running of the isolating switch.
The invention is implemented by the following technical scheme: the outdoor double-column horizontal rotation type high-voltage isolating switch comprises a base, two bearing seats are arranged on the base, a rod insulator is vertically and fixedly arranged on a rotating plate at the upper end of each bearing seat, and a connecting rod is hinged between the two rotating plates; the two rod-shaped insulators rotate relatively, and a movable conductive knife switch and a static conductive knife switch are respectively and fixedly arranged at the top ends of the two insulators; a contact is arranged at the top end of the static conductive knife switch; the dynamic conductive knife switch and the static conductive knife switch are respectively sleeved with a horn-shaped dustproof cover; the open ends of the two horn-shaped dust covers are arranged oppositely; the open ends of the two dust covers are oppositely buckled; a conical rotating shaft snow-water-proof cover is arranged at the top end of a hinged shaft of the connecting rod and the rotating plate; the side surface of the conical rotating shaft snow water prevention cover is uniformly distributed with flow guide convex ridges, and the bottom ends of the flow guide convex ridges extend to the lower part of the bottom surface of the rotating shaft snow water prevention cover.
The horn-shaped dust cover sleeved on the movable conductive knife switch is a reducing corrugated pipe made of insulating rubber; the horn-shaped dust cover sleeved on the static conductive knife switch is formed by buckling two fan-shaped insulating rubber plates with the same size and shape; the buckled edges of the two fan-shaped insulating rubber plates are fixedly connected through a clamping piece.
The rotary plate is integrally in a circular truncated cone shape, the side face of the circular truncated cone-shaped rotary plate is uniformly distributed with guide convex ridges, and the bottom ends of the guide convex ridges extend to the lower portion of the bottom face of the circular truncated cone-shaped rotary plate.
The contact comprises an upper conductive plate and a lower conductive plate, and one ends of the upper conductive plate and the lower conductive plate are fixed on the top surface and the bottom surface of the top end of the static conductive knife switch through bolts; and a cleaning brush which rotates horizontally is hinged between the upper conductive plate and the lower conductive plate.
Two rod-shaped dustproof baffle insulators are vertically and fixedly arranged on the base on one side of the two rod-shaped insulators, and dustproof baffles are fixedly arranged at the top ends of the rod-shaped dustproof baffle insulators; the open end of the dust cover is correspondingly buckled on the dust baffle.
The invention has the advantages that: the structure is simple, the use is convenient, the maintenance is easy, the dust cover and the dustproof baffle plate effectively prevent the surface of the knife switch from being polluted, and the contact failure of the knife switch is avoided; the diversion convex ridge avoids the corrosion of the rotating part and the freezing in winter, ensures the good running state of the isolating switch, improves the reliable running of the isolating switch and ensures the safe production of electric power.
Description of the drawings:
FIG. 1 is a front view of embodiment 1.
Fig. 2 is a side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the contact.
Fig. 5 is an overall view of a dust cover on the static conductive blade.
FIG. 6 is a schematic diagram of the opening state of the present invention.
The snow-proof switch comprises a base 1, a bearing seat 2, a rotating plate 3, a flow guide convex ridge 31, a rod-shaped insulator 4, a connecting rod 5, a rotating shaft snow-proof cover 6, a flow guide convex ridge 61, a movable conductive knife 7, a static conductive knife 8, a contact 9, an upper conductive plate 91, a lower conductive plate 92, a bolt 93, a cleaning brush 94, a dust cover 10, an insulating rubber plate 11, a rod-shaped dust-proof baffle insulator 12 and a dust-proof baffle 13.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 6, an outdoor double-column horizontal rotation type high-voltage isolating switch comprises a base 1, two bearing seats 2 are installed on the base 1, a rod insulator 4 is vertically and fixedly arranged on a rotating plate 3 at the upper end of each bearing seat 2, the rotating plate 3 is integrally in a circular truncated cone shape, flow guide convex ridges 31 are uniformly distributed on the side surfaces of the circular truncated cone-shaped rotating plate 3, the bottom ends of the flow guide convex ridges 31 extend to the lower part of the bottom surface of the circular truncated cone-shaped rotating plate 3, the flow guide convex ridges 31 guide snow water melted on the rotating plate 3 to the periphery of the rotating plate 3, when the melted snow water is frozen again, ice prisms are formed below the bottom ends of the flow guide convex ridges 31, large-area freezing between the bearing seats 2 below the rotating plate 3 and the base 1 is avoided, the freezing area between the bearing seats 2 and the base 1 is reduced, and the snow water is; two tapered roller bearings which ensure that the rotating plate 3 on the bearing seat flexibly rotates are arranged in the bearing seat 2, and a connecting rod 5 is hinged between the two rotating plates 3; the two rod-shaped insulators 4 are relatively rotated through the connecting rod 5, the top end of a hinged shaft of the connecting rod 5 and the rotating plate 3 is provided with a conical rotating shaft snow-proof cover 6, and the rotating shaft snow-proof cover 6 prevents snow water from rusting the rotating shaft; the guide convex ridges 61 are uniformly distributed on the side surface of the conical rotating shaft snow-proof water cover 6, the bottom ends of the guide convex ridges 61 extend to the lower part of the bottom surface of the conical rotating shaft snow-proof water cover 6, the guide convex ridges 61 guide the snow water melted on the rotating shaft snow-proof water cover 6 to the periphery of the rotating shaft snow-proof water cover 6, when the melted snow water is frozen again, only ice prisms are formed below the bottom ends of the guide convex ridges 31, the phenomenon that a large area of ice is formed between the periphery of the rotating shaft below the rotating shaft snow-proof water cover 6 is avoided, and the rotating shaft is prevented from being frozen; the top ends of the two insulators 4 are respectively fixedly provided with a movable conductive knife switch 7 and a static conductive knife switch 8 which have the same length; the top end of the static conductive knife switch 8 is provided with a contact 9, the contact 9 comprises an upper conductive plate 91 and a lower conductive plate 92, one end of the upper conductive plate 91 and one end of the lower conductive plate 92 are fixed on the top surface and the bottom surface of the top end of the static conductive knife switch 8 through bolts 93, and when the switch is switched on, the top end of the movable conductive knife switch 7 horizontally rotates to enter between the upper conductive plate 91 and the lower conductive plate 92; a horizontally rotating cleaning brush 94 is hinged between the upper conductive plate 91 and the lower conductive plate 92, when the switch is switched on, the top end of the movable conductive knife 7 pushes the cleaning brush 94 to horizontally rotate between the upper conductive plate 91 and the lower conductive plate 92, so as to clean the plate surfaces of the upper conductive plate 91 and the lower conductive plate 92, when the switch is switched off, the top end of the movable conductive knife 7 is separated from the upper conductive plate 91 and the lower conductive plate 92, and simultaneously, the cleaning brush 94 horizontally rotates between the upper conductive plate 91 and the lower conductive plate 92 under the action of a return spring 95 sleeved on a hinge shaft, so as to clean the plate surfaces of the upper conductive plate 91 and the lower conductive plate 92; the dynamic conductive knife switch 7 and the static conductive knife switch 8 are respectively sleeved with a horn-shaped dustproof cover 10; the open ends of the two horn-shaped dust covers 10 are arranged oppositely; when the switch is switched on, the open ends of the two dust covers 10 are oppositely buckled, so that wind, sand, rain and snow are prevented from entering the dust covers 10, the movable conductive knife switch 7 and the contact 9 in the dust covers 10 are prevented from being accumulated with dirt, and the phenomenon of poor contact is avoided; the horn-shaped dust cover 10 sleeved on the movable conductive knife switch 7 is a reducing corrugated pipe made of insulating rubber, the closed end of the reducing corrugated pipe is fixed on the movable conductive knife switch 7 through a hoop, and the dust cover 10 is made of the reducing corrugated pipe and is convenient to be directly sleeved on the movable conductive knife switch 7; the horn-shaped dust cover 10 sleeved on the static conductive knife switch 8 is formed by buckling two fan-shaped insulating rubber plates 11 with the same size and shape; the buckled edges of the two fan-shaped insulating rubber plates 11 are fixedly connected through a clamping piece, the closed end of the horn-shaped dust cover 10 is fixed on the static conductive switch blade 8 through a hoop, and the dust cover 10 is formed by buckling the two fan-shaped insulating rubber plates 11 and is conveniently installed on the static conductive switch blade 8 behind the contact 9; two rod-shaped dustproof baffle insulators 12 are vertically and fixedly arranged on the base 1 at one side of the two rod-shaped insulators 4, and dustproof baffles 13 made of insulating rubber are fixedly arranged at the top ends of the rod-shaped dustproof baffle insulators 12; when the switch is opened, the open end of the dust cover 10 is correspondingly buckled on the dust baffle 13, so that wind, sand, rain and snow are prevented from entering the dust cover 10, the movable conductive switch blade 7 and the contact 9 in the dust cover 10 are prevented from being accumulated with dirt, and the phenomenon of poor contact is avoided.
Claims (8)
1. The outdoor double-column horizontal rotation type high-voltage isolating switch is characterized by comprising a base, wherein two bearing seats are arranged on the base, a rotating plate at the upper end of each bearing seat is vertically and fixedly provided with a rod insulator, and a connecting rod is hinged between the two rotating plates; the two rod-shaped insulators rotate relatively, and a movable conductive knife switch and a static conductive knife switch are respectively and fixedly arranged at the top ends of the two insulators; a contact is arranged at the top end of the static conductive knife switch; the dynamic conductive knife switch and the static conductive knife switch are respectively sleeved with a horn-shaped dustproof cover; the open ends of the two horn-shaped dust covers are arranged oppositely; the open ends of the two dust covers are oppositely buckled; a conical rotating shaft snow-water-proof cover is arranged at the top end of a hinged shaft of the connecting rod and the rotating plate; the side surface of the conical rotating shaft snow water prevention cover is uniformly distributed with flow guide convex ridges, and the bottom ends of the flow guide convex ridges extend to the lower part of the bottom surface of the rotating shaft snow water prevention cover.
2. The outdoor double-column horizontal rotary high-voltage isolating switch as claimed in claim 1, wherein the horn-shaped dust cover sleeved on the movable and conductive knife switch is a reducing corrugated pipe made of insulating rubber; the horn-shaped dust cover sleeved on the static conductive knife switch is formed by buckling two fan-shaped insulating rubber plates with the same size and shape; the buckled edges of the two fan-shaped insulating rubber plates are fixedly connected through a clamping piece.
3. The outdoor double-column horizontal rotary high-voltage isolating switch as claimed in any one of claims 1 or 2, wherein the rotating plate is in a truncated cone shape as a whole, and the lateral surface of the truncated cone-shaped rotating plate is uniformly distributed with the flow guide ridges, the bottom ends of which extend to below the bottom surface of the truncated cone-shaped rotating plate.
4. The outdoor double-column horizontal rotary high-voltage isolating switch according to any one of claims 1 or 2, wherein the contact comprises an upper conductive plate and a lower conductive plate, and one ends of the upper conductive plate and the lower conductive plate are fixed on the top surface and the bottom surface of the top end of the static conductive knife blade through bolts; and a cleaning brush which rotates horizontally is hinged between the upper conductive plate and the lower conductive plate.
5. The outdoor double-column horizontal rotary high-voltage isolating switch according to claim 3, wherein the contact comprises an upper conductive plate and a lower conductive plate, and one end of the upper conductive plate and one end of the lower conductive plate are fixed on the top surface and the bottom surface of the top end of the static conductive knife blade through bolts; and a cleaning brush which rotates horizontally is hinged between the upper conductive plate and the lower conductive plate.
6. The outdoor double-column horizontal rotary high-voltage isolating switch according to any one of claims 1, 2 or 5, wherein two rod-shaped dust-proof baffle insulators are vertically and fixedly arranged on the base at one side of the two rod-shaped insulators, and a dust-proof baffle is fixedly arranged at the top end of each rod-shaped dust-proof baffle insulator; the open end of the dust cover is correspondingly buckled on the dust baffle.
7. The outdoor double-column horizontal rotary high-voltage isolating switch as claimed in claim 3, wherein two rod-shaped dust-proof barrier insulators are vertically fixed on the base at one side of the two rod-shaped insulators, and a dust-proof barrier is fixed at the top end of the rod-shaped dust-proof barrier insulator; the open end of the dust cover is correspondingly buckled on the dust baffle.
8. The outdoor double-column horizontal rotary high-voltage isolating switch as claimed in claim 4, wherein two rod-shaped dust-proof barrier insulators are vertically fixed on the base at one side of the two rod-shaped insulators, and a dust-proof barrier is fixed at the top end of the rod-shaped dust-proof barrier insulator; the open end of the dust cover is correspondingly buckled on the dust baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413639.1A CN113130246A (en) | 2019-12-31 | 2019-12-31 | Outdoor double-column horizontal rotation type high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911413639.1A CN113130246A (en) | 2019-12-31 | 2019-12-31 | Outdoor double-column horizontal rotation type high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113130246A true CN113130246A (en) | 2021-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911413639.1A Pending CN113130246A (en) | 2019-12-31 | 2019-12-31 | Outdoor double-column horizontal rotation type high-voltage isolating switch |
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| Country | Link |
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| CN (1) | CN113130246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927367A (en) * | 2022-07-20 | 2022-08-19 | 徐州以勒电器科技有限公司 | High-voltage isolating switch with outdoor protection function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877706U (en) * | 2010-12-13 | 2011-06-22 | 上海安越电气工程技术有限公司 | Transformer neutral point combined electrical apparatus device |
| CN202120809U (en) * | 2011-07-19 | 2012-01-18 | 天津市电力公司 | Novel high-voltage disconnecting link |
| CN203966926U (en) * | 2014-07-02 | 2014-11-26 | 辽宁宇光输变电有限公司 | Electric knife switch switch bearing insulation body and Electric knife switch switch |
| CN204204725U (en) * | 2014-11-10 | 2015-03-11 | 国家电网公司 | A kind of high voltage isolator |
| CN106024480A (en) * | 2016-08-01 | 2016-10-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Rain cover of disconnecting link mechanism |
| CN107170628A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of disconnecting switch easily turned off |
-
2019
- 2019-12-31 CN CN201911413639.1A patent/CN113130246A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201877706U (en) * | 2010-12-13 | 2011-06-22 | 上海安越电气工程技术有限公司 | Transformer neutral point combined electrical apparatus device |
| CN202120809U (en) * | 2011-07-19 | 2012-01-18 | 天津市电力公司 | Novel high-voltage disconnecting link |
| CN203966926U (en) * | 2014-07-02 | 2014-11-26 | 辽宁宇光输变电有限公司 | Electric knife switch switch bearing insulation body and Electric knife switch switch |
| CN204204725U (en) * | 2014-11-10 | 2015-03-11 | 国家电网公司 | A kind of high voltage isolator |
| CN106024480A (en) * | 2016-08-01 | 2016-10-12 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Rain cover of disconnecting link mechanism |
| CN107170628A (en) * | 2017-07-04 | 2017-09-15 | 合肥东玖电气有限公司 | A kind of disconnecting switch easily turned off |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927367A (en) * | 2022-07-20 | 2022-08-19 | 徐州以勒电器科技有限公司 | High-voltage isolating switch with outdoor protection function |
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Application publication date: 20210716 |