CN201886954U - Novel pole column type three-phase high-voltage isolating switch - Google Patents
Novel pole column type three-phase high-voltage isolating switch Download PDFInfo
- Publication number
- CN201886954U CN201886954U CN2010202670310U CN201020267031U CN201886954U CN 201886954 U CN201886954 U CN 201886954U CN 2010202670310 U CN2010202670310 U CN 2010202670310U CN 201020267031 U CN201020267031 U CN 201020267031U CN 201886954 U CN201886954 U CN 201886954U
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- Prior art keywords
- isolating switch
- phase
- voltage isolating
- switch
- phase high
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Abstract
The utility model discloses a novel pole column type three-phase high-voltage isolating switch. Each phase of the isolating switch is provided with an insulating sleeve for supporting an electric component at a contact head seat of two poles of the isolating switch; a flange is arranged in the middle of an insulating cylinder, and the two poles of the isolating switch are separated from each other by fixing the isolating switch and arranging an installation plate; a conducting rod moves along the axial direction in the insulating cylinder to switch off or on the two poles of the isolating switch, and the axial motion of the conductive rod is offered by an insulating drive bracket; and the conductive rod is contacted with the contact head seat by a circular spring conductive ring, and a contact pressure is offered between a movable contact head and a static contact head by the compression deformation of the conductive ring. The isolating switch can be used for a three-phase alternating current 50Hz high-voltage switch cabinet which is equal to or less than 12kV, so that a power supply side and a load side of the high-voltage isolating switch form a reliable voltage isolating fracture when the switch and a load line are overhauled to guarantee the safety of operating personnel.
Description
Technical field
The utility model relates to a kind of high voltage isolator, relates in particular to a kind of novel pole type three-phase high-voltage isolating switch.
Background technology
Isolation features is one of major function in the high-tension switch cabinet, its role in switch cubicle is: carry out power consumption equipment that switchgear or switchgear connected when overhauling the user, high voltage source is separated reliably, guarantee operating personnel's safety.High-voltage switch gear divides for fixed and two kinds of structures of withdraw-type because of the realization of isolation features is different.To realize that the parts design of isolation features becomes one isolating switch during fixed switch cubicle, withdraw-type switch cabinet is that the parts of isolation features are assigned on circuit breaker and two parts of switch cabinet body.High-tension switch cabinet has experienced by fixed evolution to withdraw-type.Moveable high-voltage switchgear is the main product that each big producer produced on the market at present, and it is convenient that its design concept is based on circuit breaker maintenance, but the reliability of insulating contact not high be the key link that the handcart type high-voltage switch cabinet breaks down.
Traditional isolating switch project organization is the guillotine type structure, and component size is big, complex structure, and the contact reliability between blade and the tool rest is not high, complicated operation, the repair and maintenance workload is big.
The utility model content
The purpose of this utility model provides a kind of novel pole type three-phase high-voltage isolating switch.
The purpose of this utility model is achieved through the following technical solutions:
Novel pole type three-phase high-voltage isolating switch of the present utility model, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully.
The technical scheme that is provided by above-mentioned the utility model as can be seen, novel pole type three-phase high-voltage isolating switch described in the utility model, because each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of insulating sleeve are respectively equipped with the live part contact base, the middle part of live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of conducting rod is connected with the insulation bogie; The middle part of insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and mounting panel separates the live part contact base at insulating sleeve two ends fully.Can be used for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet, match with miscellaneous equipment in the switch cubicle be used for power transmission and transformation system electric substation be subjected to occasions such as distribution, industrial and mining enterprises' cause distribution, when the user carries out equipment and loaded line maintenance, make the mains side and the load side of high voltage switchgear form reliable voltage isolation fracture, guarantee operating personnel's safety.
Description of drawings
Fig. 1 is in the side schematic view of on-state for isolating switch of the present utility model;
Fig. 2 is in the floor map of on-state for isolating switch of the present utility model;
Fig. 3 is in the side schematic view of off-state for isolating switch of the present utility model;
Fig. 4 is in the floor map of off-state for isolating switch of the present utility model.
Among the figure: 1. insulation bogie, 2. oscillating bearing, 3. pin 4. feeds out the end contact base, 5. spring conducting ring, 6. conducting rod, 7. mounting panel, 8 insulating sleeves, 9. spring conducting ring, 10. power end contact base.
Embodiment
Novel pole type three-phase high-voltage isolating switch of the present utility model, its preferable embodiment as shown in Figures 1 to 4, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully.
The inwall of the through hole of described live part contact base is provided with annular mounting groove, and the spring conducting ring is housed in the described annular mounting groove, and described spring conducting ring closely contacts with described conducting rod.
The insulation bogie of three-phase connects as one structure, is connected by oscillating bearing between described insulation bogie and the described conducting rod.
This three-phase high-voltage isolating switch is installed on the housing of switchgear by described mounting panel.Switchgear can also can be other switch cubicle for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet.
Pole type high voltage isolator of the present utility model, can be used for 12kV and following three-phase alternating current 50Hz high-tension switch cabinet, match with miscellaneous equipment in the switch cubicle be used for power transmission and transformation system electric substation be subjected to occasions such as distribution, industrial and mining enterprises' cause distribution, when the user carries out equipment and loaded line maintenance, make the mains side and the load side of high voltage switchgear form reliable voltage isolation fracture, guarantee operating personnel's safety.
Specific embodiment:
With reference to accompanying drawing 1 to Fig. 4, the major loop of isolating switch is made up of the three-phase pole, on each phase pole, main support component is insulating sleeve (8), the electrification in high voltage parts that support isolating switch by its feed out end contact base (4), power end contact base (10), conducting rod (6), make between the mounting panel (7) of electrification in high voltage parts and ground connection to satisfy insulating requirements.Insulating sleeve (8) middle part is provided with mounting flange, be assembled into together by the three-phase pole of mounting panel (7) isolating switch, and be installed on the cabinet of switch cubicle, and will feed out end contact base (4) by mounting panel (7) and separate fully with power end contact base (10), improve security of products.
By the axial motion of conducting rod (6), realize the combined floodgate and the separating brake of isolating switch along insulating sleeve (8):
As Fig. 1-shown in Figure 2, be the state that isolating switch closes a floodgate;
As Fig. 3-shown in Figure 4, be the state of isolating switch separating brake.
Conducting rod (6) remains electric the contact with feeding out end contact base (4), and when isolating switch need close a floodgate, conducting rod (6) was to motion of power end contact base (10) direction and insertion, and when isolating switch needed separating brake, conducting rod (6) is motion in the other direction.
Electric between contact base (4,10) and the conducting rod (6) contact by with radial loop around spring conducting ring (9) realize, be provided with the mounting groove of mounting spring conducting ring (9) at contact base (4,10), guarantee that spring conducting ring (9) can not come off.
The axial motion of conducting rod (6) drives by insulation bogie (1).Insulation bogie (1) connects together the conducting rod (6) of isolating switch three-phase, and insulation edge bogie (1) is externally under the driving of operating mechanism during move left and right, the move simultaneously divide-shut brake of realization isolating switch three-phase of three-phase conducting rod (6).Adopt oscillating bearing (2) to connect together between insulation bogie and the three-phase conducting rod (6) with pin (3), when this connected mode is inserted in the contact base (10) when conducting rod (6), conducting rod (6) can be adjusted the position automatically, assurance and spring conducting ring (9) be even contact radially, guarantees the reliability of electric contact.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.
Claims (5)
1. novel pole type three-phase high-voltage isolating switch, it is characterized in that, each of this three-phase high-voltage isolating switch is respectively equipped with an insulating sleeve mutually, the two ends of described insulating sleeve are respectively equipped with the live part contact base, the middle part of described live part contact base is provided with through hole, wherein be inserted with the sliding conduction bar in the contact base of an end, the outer end of described conducting rod is connected with the insulation bogie;
The middle part of described insulating sleeve is provided with mounting flange, links together by mounting panel and the mounting flange insulating sleeve with three-phase, and described mounting panel separates the live part contact base at described insulating sleeve two ends fully.
2. novel pole type three-phase high-voltage isolating switch according to claim 1, it is characterized in that, the inwall of the through hole of described live part contact base is provided with annular mounting groove, and the spring conducting ring is housed in the described annular mounting groove, and described spring conducting ring closely contacts with described conducting rod.
3. novel pole type three-phase high-voltage isolating switch according to claim 2 is characterized in that, the insulation bogie of three-phase connects as one structure, is connected by oscillating bearing between described insulation bogie and the described conducting rod.
4. according to claim 1,2 or 3 described novel pole type three-phase high-voltage isolating switch, it is characterized in that this three-phase high-voltage isolating switch is installed on the housing of switchgear by described mounting panel.
5. novel pole type three-phase high-voltage isolating switch according to claim 4 is characterized in that, described switchgear is 12kV and following three-phase alternating current 50Hz high-tension switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202670310U CN201886954U (en) | 2010-07-16 | 2010-07-16 | Novel pole column type three-phase high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202670310U CN201886954U (en) | 2010-07-16 | 2010-07-16 | Novel pole column type three-phase high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201886954U true CN201886954U (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202670310U Expired - Lifetime CN201886954U (en) | 2010-07-16 | 2010-07-16 | Novel pole column type three-phase high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201886954U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901712A (en) * | 2010-07-16 | 2010-12-01 | 北京华东电气股份有限公司 | Novel pole type three-phase high-voltage isolating switch |
| CN104299835A (en) * | 2014-09-12 | 2015-01-21 | 宁波耀华电气科技有限责任公司 | Piston type isolating switch |
| CN104701063A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
| CN104701062A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
-
2010
- 2010-07-16 CN CN2010202670310U patent/CN201886954U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901712A (en) * | 2010-07-16 | 2010-12-01 | 北京华东电气股份有限公司 | Novel pole type three-phase high-voltage isolating switch |
| CN104299835A (en) * | 2014-09-12 | 2015-01-21 | 宁波耀华电气科技有限责任公司 | Piston type isolating switch |
| CN104701063A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
| CN104701062A (en) * | 2015-04-06 | 2015-06-10 | 铁岭市世纪电力设备有限公司 | Outdoor AC high-voltage isolator |
| CN104701063B (en) * | 2015-04-06 | 2017-06-27 | 铁岭市世纪电力设备有限公司 | A kind of outdoor AC high-voltage disconnecting switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110629 Effective date of abandoning: 20130925 |
|
| RGAV | Abandon patent right to avoid regrant |