CN201112254Y - Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure - Google Patents
Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure Download PDFInfo
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- CN201112254Y CN201112254Y CNU200720028046XU CN200720028046U CN201112254Y CN 201112254 Y CN201112254 Y CN 201112254Y CN U200720028046X U CNU200720028046X U CN U200720028046XU CN 200720028046 U CN200720028046 U CN 200720028046U CN 201112254 Y CN201112254 Y CN 201112254Y
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Abstract
The utility model relates to an inversed U-shaped horizontally rotary outdoor three-phase AC high-voltage isolating switch with a contact finger structure of an external-compression GW4 III double-column horizontal break in a power supply system. The three-phase AC high-voltage isolating switch comprises three monopoles, a main switch blade operating device connecting the three monopoles as a whole and an earth switch blade operating device, wherein, a contact base I (8) fixed with a U-shaped finger-type chip (9) is arranged on a conducting rod I (7) of a left contactor (5) of a monopole of an inversed U-shaped double-column structure; the finger-type chip (9) is internally provided with a spring (10) while a contact base II fixed with a square head (13) is arranged on a conducting rod II (12) of a right contactor (6); a moving contactor (14) of an earth switch in an earthing operating device has the structure that a contact base III (16) fixed with a contact chip (17) and a spring II (19) is arranged on a conducting rod III (15) while a static contact has the structure that a contact plate and an insulation pad are fixed on a wiring holder (20) of a post insulator (2). The inversed U-shaped horizontally rotary outdoor three-phase AC high-voltage isolating switch with a contact finger structure of the external-compression GW4 III double-column horizontal break provided by the utility model has high capacity of throughflow and short-circuit current bearing and good self-cleaning ability without much maintenance and can also improve high heat emission of a galvanic circle with good overall application performance and security and reliability.
Description
One, technical field:
The utility model relates to the isolating switch in a kind of electric power system, and the fingertip structure of using in specifically a kind of power supply system is the outdoor three-phase alternating current high voltage isolator of the horizontal fracture П of the GW4III type twin columns type horizontal rotation type of external-compression type.
Two, background technology:
In the last few years, along with China's rapid development of economy, infrastructure construction was advanced by leaps and bounds especially, and the operational reliability of the various high-voltage electrical equipments of electric power system is had higher requirement; And isolating switch is in the various device of electric power system, and its operational environment is worst, is exposed to fully in the atmospheric environment, is bearing the erosion of acid rain, salt fog, dust storm.Because existing isolating switch exists deficiency in the design, cause isolating switch through-current capability, bear the short circuit current ability; Can not be self-cleaning, often need to safeguard; And exist defectives such as galvanic circle heating height, transmission position easy-to-rust, antiseptic property difference.In the various interruption of services of in recent years electric power system, the interruption of service of isolating switch is maximum.For this reason, relevant department has proposed isolating switch is carried out the requirement that improvement is transformed, and make it have good antiseptic power and conduction reliability, and very little maintenance even need not safeguarded; The rate of failure of isolating switch is reduced in the minimum scope.
Three, summary of the invention:
The outdoor three-phase alternating current high voltage isolator of the horizontal fracture П of the GW4III type twin columns type horizontal rotation type that it is external-compression type that the purpose of this utility model provides a kind of fingertip structure, bears short circuit current ability height at through-current capability; Fingertip, contact have self-cleaning ability, reduce and safeguard; Improved galvanic circle heating height, transmission position easy-to-rust, antiseptic property, its whole serviceability and security reliability are good.
For achieving the above object, the technical scheme that the utility model is taked is: on the basis of the outdoor three-phase alternating current high voltage isolator of the horizontal fracture П of former GW4 type twin columns type horizontal rotation type, to first-class improvement of moving contact, stationary contact of leading electricity fingertip, contact and earthed switch partly.Promptly include three one poles and the operator powder operation device, compositions such as cutter powder operation device.Three one poles by the operator powder operation device, the cutter powder operation device connect into integral body.Each one pole is a H type queen post structure, and each one pole all includes base, two post insulators, left contact, right contact etc.The lower end of two post insulators is installed on the base and is the П type, and the upper end of two post insulators is installed left contact, right contact respectively.Left side contact is provided with fingertip, and right contact is provided with contact, and fingertip and sets of contacts are synthesized the fingertip structure.Left side contact is connected with the contact of right contact is chimeric by its fingertip.Handle the operator powder operation device, by the embedding of left and right contact and separately, realize the combined floodgate and the separating brake of isolating switch.It is characterized in that described fingertip structure is the external-compression type structure, be the fingertip structure include fingertip is arranged, contact, fingertip is to be fixed with touch base I on the conducting rod I of left contact, the both sides of touch base I are fixed with the finger-like sheet that is the U type respectively, the dehiscing by the end of touch base I and in dehiscing, be provided with spring of finger-like sheet, be provided with insulation cushion between the two ends of spring and the finger-like sheet, be provided with the rubber-like iron plate in the outside of two finger-like sheets, an end of iron plate is fixed on the touch base I; Contact is to be fixed with touch base II, the square spigot that be fixed with hollow on the touch base II, is square on the conducting rod II of right contact.When closing a floodgate, two iron plates produce the magnetic force of inhaling mutually under effect of electric field, make the finger-like sheet be pressed in square spigot tightly.The moving contact of earthed switch is that an end that is connected with fixed contact on conducting rod III is fixed with touch base III in the described ground connection powder operation device, the both sides of touch base III are fixed with the contact that is parallel to each other respectively, lean on the end of touch base III to be provided with the spring shaft that stretches out two contacts at two contacts, be provided with spring II between the two ends of spring shaft and the contact outside, the two ends of spring II are provided with insulation cushion; The fixed contact of earthed switch be the lower end of post insulator upper end junction block be provided with can tightly embed moving contact two contacts that are parallel to each other between touch panel, touch panel is fixed on the lower end of junction block by mounting panel, is provided with cushion pad in a side of terminal block.
Operator operating mechanism in the operation operator powder operation device, be installed in two main shafts in base, two post insulators by drives such as operator vertical links, joints, two main shafts drive left contact respectively, right contact is the rotation of horizontal plane direction, the fingertip that makes left contact and the contact of right contact chimeric with separate, realize the combined floodgate and the separating brake of leading electricity part.Ground cutter operating mechanism in cutter powder operation device operatively by ground cutter vertical links, space four-links, makes on the moving contact of earthed switch pendulum connect with the chimeric combined floodgate of fixed contact, and the bottom then separating brake cut-offs.
In order to improve conductive capability and automatically cleaning ability, the material of the finger-like sheet of fingertip and the square spigot of contact is pure red copper section bar and all is coated with hard silver in the contact site of the square spigot of the finger-like sheet of fingertip and contact; The material of the conducting rod I of fingertip and the conducting rod II of contact is aluminium alloy material.The contact of earthed switch moving contact is copper coin cold moudling, curved.Fixing, the conducting rod II of conducting rod I and touch base I and fixing, the conducting rod III of touch base II go up to weld with fixedly being of touch base III and fix.
Because the material of contact and fingertip adopts the pure red copper section bar with favorable elasticity and electric conductivity, and structurally carried out overall improvement, all be coated with hard silver in the contact site, (spring has electric current to pass through behind combined floodgate to have replaced the former fingertip version that is provided with spring, heating, the elasticity of spring is reduced, thereby reliability and current carrying capacity have been influenced), fingertip is by the stage clip of fingertip inside fingertip to be exerted pressure to the clamping force of contact, make the finger-like sheet be pressed in (we are referred to as external-compression type fingertip structure) that square spigot is realized tightly, improved the clamping force of contact and fingertip and the conveyance capacity of electric current during combined floodgate.Be provided with insulation cushion between spring and finger-like sheet, when closing a floodgate, spring does not have electric current to be passed through, and spring can not generate heat, and has guaranteed that the elastic force of spring can not weaken.Fingertip and contact be by sliding motion close a floodgate, separating brake, also just improved the automatically cleaning ability.The contact of earthed switch moving contact adopts copper coin cold moudling, curved, have better elastic and electric conductivity, and spring II is arranged, when contact and touch panel combined floodgate in the arranged outside of contact, has clamping force preferably, the electric conductivity after having guaranteed to close a floodgate; In addition be provided with cushion pad on the fixed contact, when pendulum closes a floodgate with fixed contact on moving contact, play cushioning effect, to alleviate moving contact to the impulsive force of fixed contact with avoid direct bump.Therefore, the utlity model has through-current capability, bear short circuit current ability height; Self-cleaning ability is good, reduces and safeguards; Improved the galvanic circle high phenomenon of generating heat, its whole serviceability and security reliability are good.
Four, description of drawings
Fig. 1 is a schematic diagram of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that the M of Fig. 1 is to view.
Five, embodiment
Accompanying drawing is embodiment of the present utility model, include three one poles and the operator powder operation device, compositions such as cutter powder operation device.Three one poles by the operator powder operation device, the cutter powder operation device connect into integral body.Each one pole is a П type queen post structure, and each one pole all includes base 1, two post insulators 2, left contact 3, right contact 4 etc.The lower end of two post insulators 2 is installed on the base 1 and is the П type, and the upper end of two post insulators 2 is installed left contact 3, right contact 4 respectively.Left side contact 3 is provided with fingertip 5, and right contact 4 is provided with contact 6, and fingertip 5 is combined into the fingertip structure with contact 6.Left side contact 3 is by contact 6 chimeric are connected of its fingertip 5 with right contact 4.Handle the operator powder operation device, by the embedding of left and right contact 3,4 and separately, realize the combined floodgate and the separating brake of isolating switch.Described fingertip structure is the external-compression type structure, be the fingertip structure include fingertip 5 is arranged, contact 6, fingertip 5 is fixed with touch base I8 on the conducting rod I7 of left contact 3, the both sides of touch base I8 are fixed with the finger-like sheet 9 that is the U type respectively, the dehiscing by the end of touch base I8 and in dehiscing, be provided with spring 10 of finger-like sheet 9, be provided with insulation cushion between the two ends of spring 10 and the finger-like sheet 9, be provided with rubber-like iron plate 11 in the outside of two finger-like sheets 9, an end of iron plate 11 is fixed on the touch base I8; Contact 6 is fixed with touch base II, the square spigot 13 that be fixed with hollow on the touch base II, is square on the conducting rod II12 of right contact 4.The strain by stage clip produces pressure in the process when closing a floodgate, and makes finger-like sheet 9 be pressed in square spigot 13 tightly.The moving contact 14 of earthed switch is that an end that is connected on conducting rod III15, with fixed contact is fixed with touch base III16 in the described ground connection powder operation device, the both sides of touch base III16 are fixed with the contact 17 that is parallel to each other respectively, lean on the end of touch base III16 to be provided with the spring shaft 18 that stretches out two contacts 17 at two contacts 17, be provided with spring II19 between the two ends of spring shaft 18 and contact 17 outsides, the two ends of spring II19 are provided with insulation cushion; The fixed contact of earthed switch is the touch panel that is provided with in the lower end of post insulator 2 upper end junction blocks 20 between two contacts that are parallel to each other 17 that can tightly embed moving contact 14, touch panel is fixed on the lower end of junction block 20 by mounting panel 21, is provided with cushion pad in a side of mounting panel 21.Cushion pad can be fixed on the mounting panel 21 by bent plate, also can be provided with the fixedly bent plate of cushion pad by mounting panel 21.
Operator operating mechanism in the operation operator powder operation device, be installed in two main shafts in base 1, two post insulators 2 by drives such as operator vertical links, joints, two main shafts drive left contact 3 respectively, right contact 4 is the rotation of horizontal plane direction, the fingertip 5 that makes left contact 3 and the contact of right contact 46 chimeric with separate, realize the combined floodgate and the separating brake of leading electricity part.Ground cutter operating mechanism in cutter powder operation device operatively by ground cutter vertical links, space four-links, makes on the moving contact 14 of earthed switch pendulum connect with the chimeric combined floodgate of fixed contact, and the bottom then separating brake cut-offs.
In order to improve conductive capability and automatically cleaning ability, the material of the finger-like sheet 9 of the fingertip 5 of present embodiment and the square spigot 13 of contact 6 is pure red copper section bar and all is coated with hard silver in the contact site of the square spigot 13 of the finger-like sheet 9 of fingertip 5 and contact 6; The material of the conducting rod I7 of fingertip 5 and the conducting rod II12 of contact 6 is aluminium alloy material.The contact 17 of earthed switch moving contact 14 is copper coin cold moudling, curved.Fixing, the conducting rod II12 of conducting rod I7 and touch base I8 and fixing, the conducting rod III15 of touch base II go up to weld with fixedly being of touch base III16 and fix.
Because contact 6 of the present utility model adopts the pure red copper section bar with favorable elasticity and electric conductivity with the material of fingertip 5, and all is coated with hard silver in the contact site, has improved contact 6 and the clamping force of fingertip 5 and the conveyance capacity of electric current during combined floodgate.Fingertip 5 and contact 6 be by sliding motion close a floodgate, separating brake, improved the automatically cleaning ability.The contact 17 of earthed switch moving contact 14 adopts copper coin cold moudling, curved, have better elastic and electric conductivity, and spring II19 is arranged, when contact 17 closes a floodgate with touch panel in the arranged outside of contact 17, has clamping force preferably, the electric conductivity after having guaranteed to close a floodgate; In addition, be provided with cushion pad on the fixed contact, when pendulum closes a floodgate with fixed contact on moving contact 14, play cushioning effect and avoid direct bump.Therefore, the utlity model has through-current capability, bear short circuit current ability height; Self-cleaning ability is good, reduces and safeguards; Improved the galvanic circle high phenomenon of generating heat, its whole serviceability and security reliability are good.
Claims (5)
1, the outdoor three-phase alternating current high voltage isolator of a kind of twin columns П type of external-compression type fingertip structure, include three one poles and operator powder operation device, the cutter powder operation device form, three one poles by the operator powder operation device, the cutter powder operation device connect into integral body; Each one pole is a П type queen post structure, each one pole all includes base (1), two post insulators (2), left contact (3), right contact (4), the lower end of two post insulators (2) is installed on the base (1) and is the П type, the upper end of two post insulators (2) is installed left contact (3), right contact (4) respectively, left side contact (3) is provided with fingertip (5), right contact (4) is provided with contact (6), fingertip (5) is combined into the fingertip structure with contact (6), and left contact (3) is by contact (6) chimeric be connected of its fingertip (5) with right contact (4); It is characterized in that described fingertip structure is the external-compression type structure, be that the fingertip structure includes fingertip (5), contact (6), fingertip (5) is fixed with touch base I (8) on the conducting rod I (7) of left contact (3), the both sides of touch base I (8) are fixed with the finger-like sheet (9) that is the U type respectively, dehiscing of finger-like sheet (9) by the end of touch base I (8), and in dehiscing, be provided with spring (10), be provided with insulation cushion between the two ends of spring (10) and the finger-like sheet (9), be provided with rubber-like iron plate (11) in the outside of two finger-like sheets (9), an end of iron plate (11) is fixed on the touch base I (8); Contact (6) is fixed with touch base II, the square spigot that be fixed with hollow on the touch base II, is square (13) on the conducting rod II (12) of right contact (4); The moving contact (14) of earthed switch is to go up an end that is connected with fixed contact at conducting rod III (15) to be fixed with touch base III (16) in the described ground connection powder operation device, the both sides of touch base III (16) are fixed with the contact (17) that is parallel to each other respectively, lean on the end of touch base III (16) to be provided with the spring shaft (18) that stretches out two contacts (17) at two contacts (17), be provided with spring II (19) between the two ends of spring shaft (18) and contact (17) outside, the two ends of spring II (19) are provided with insulation cushion; The fixed contact of earthed switch be the lower end of post insulator (2) upper end junction block (20) be provided with can tightly embed moving contact (14) two contacts that are parallel to each other (17) between touch panel, touch panel is fixed on the lower end of junction block (20) by mounting panel (21), is provided with cushion pad in a side of terminal block (20).
2, the outdoor three-phase alternating current high voltage isolator of the twin columns П type of external-compression type fingertip structure according to claim 1 is characterized in that touch panel passes through the lower end that mounting panel (21) is fixed on junction block (20), is provided with cushion pad in a side of terminal block (20).
3, the outdoor three-phase alternating current high voltage isolator of the twin columns П type of external-compression type fingertip structure according to claim 1, the material that it is characterized in that the square spigot (13) of the finger-like sheet (9) of fingertip (5) and contact (6) are pure red copper section bar and all are coated with hard silver in the contact site of the square spigot (13) of the finger-like sheet (9) of fingertip (5) and contact (6); The material of the conducting rod I (7) of left side contact (3) and the conducting rod II (12) of right contact (4) is aluminium alloy material.
4, the outdoor three-phase alternating current high voltage isolator of the twin columns П type of external-compression type fingertip structure according to claim 1, the contact (17) that it is characterized in that earthed switch moving contact (14) is copper coin cold moudling, curved.
5, the outdoor three-phase alternating current high voltage isolator of the twin columns П type of external-compression type fingertip structure according to claim 1, fixing, the conducting rod II (12) that it is characterized in that conducting rod I (7) and touch base I (8) are gone up with the welding that fixedly is of touch base III (16) with fixing, the conducting rod III (15) of touch base II and are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720028046XU CN201112254Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720028046XU CN201112254Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201112254Y true CN201112254Y (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720028046XU Expired - Fee Related CN201112254Y (en) | 2007-09-14 | 2007-09-14 | Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201112254Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN103413718A (en) * | 2013-08-20 | 2013-11-27 | 湖北网安科技有限公司 | High-reliability outdoor pile high-voltage alternating current single-phase disconnecting switch |
| CN103971955A (en) * | 2013-02-05 | 2014-08-06 | 阿斯科动力科技公司 | Parallel type transfer switch contact assembly |
| CN107731610A (en) * | 2017-11-27 | 2018-02-23 | 云南电网有限责任公司昭通供电局 | Non-maintaining disconnecting switch |
| CN108054047A (en) * | 2018-01-12 | 2018-05-18 | 国家电网公司 | A kind of Intelligent isolation switch |
-
2007
- 2007-09-14 CN CNU200720028046XU patent/CN201112254Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102034639A (en) * | 2011-01-20 | 2011-04-27 | 川铁电气（天津）集团有限公司 | Outdoor high-voltage AC three-pole double-earthing isolating switch |
| CN103971955A (en) * | 2013-02-05 | 2014-08-06 | 阿斯科动力科技公司 | Parallel type transfer switch contact assembly |
| CN103971955B (en) * | 2013-02-05 | 2019-07-26 | 阿斯科动力科技公司 | The contact assembly of parallel connection switching switch |
| CN103413718A (en) * | 2013-08-20 | 2013-11-27 | 湖北网安科技有限公司 | High-reliability outdoor pile high-voltage alternating current single-phase disconnecting switch |
| CN107731610A (en) * | 2017-11-27 | 2018-02-23 | 云南电网有限责任公司昭通供电局 | Non-maintaining disconnecting switch |
| CN108054047A (en) * | 2018-01-12 | 2018-05-18 | 国家电网公司 | A kind of Intelligent isolation switch |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080910 Termination date: 20100914 |