CN111710554A - Transformer substation isolating switch capable of working stably - Google Patents
Transformer substation isolating switch capable of working stably Download PDFInfo
- Publication number
- CN111710554A CN111710554A CN202010590796.6A CN202010590796A CN111710554A CN 111710554 A CN111710554 A CN 111710554A CN 202010590796 A CN202010590796 A CN 202010590796A CN 111710554 A CN111710554 A CN 111710554A
- Authority
- CN
- China
- Prior art keywords
- seat
- plate
- blade
- board
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
-
- 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
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
-
- 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
- H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
- H01H31/28—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact
- H01H2031/286—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with angularly-movable contact wherein the contact is rotatable around its own longitudinal axis
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention provides a transformer substation disconnecting switch capable of working stably, which comprises a base and an insulator assembly, wherein a lifting seat is inserted in a guide seat in a sliding mode, the top of a support is connected with a sliding seat in a sliding mode, a movable plate is connected to the sliding seat in a rotating mode, a limiting block inserted into the lifting seat is fixedly connected to the left side of the movable plate, two limiting grooves corresponding to the limiting block are formed in the right side of the lifting seat, and an arc plate and a top plate are fixedly connected to the bottom of a contact blade. When opening isolator, upwards mention and touch the blade, when the arc board is clockwise rotatory, through dialling board and one-way plate drive fly leaf anticlockwise rotation, the fly leaf drives the stopper and moves and leave the spacing groove to the right side, touching the blade and opening the back completely, the spacing groove and the stopper of below align, the stopper is fixed under the effect of spring two and is inserted the spacing inslot of below to will touch the blade and fix, avoid it to rock, guaranteed isolator job stabilization nature.
Description
Technical Field
The invention belongs to the technical field of substation disconnecting switches, and particularly relates to a substation disconnecting switch capable of working stably.
Background
In the routine maintenance and inspection of the transformer substation, workers generally mainly perform careful inspection on main transformer equipment, but often simply inspect relatively unimportant equipment such as a disconnecting switch and the like, and often neglect the inspection of structures such as a supporting insulator of the disconnecting switch, an operating mechanism, a rotating part, a transmission part and the like,
the closing of the isolating switch is mainly realized by the contact separation of the contact blade and the contact, wherein the open-close resisting fault of the isolating switch is the most common fault and is generally caused by factors such as clamping stagnation or looseness of a transmission part and the like, so that the contact blade cannot ensure the position stability after the closing or opening, and further the isolating switch cannot be effectively opened or closed.
Therefore, in view of the above, the present invention provides a transformer substation disconnecting switch that can stably operate by improving the existing structure and defects, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides a transformer substation disconnecting switch capable of working stably, which is achieved by the following specific technical means:
a transformer substation isolating switch capable of working stably comprises a base and an insulator assembly, wherein a contact blade and a contact are installed above the top of the insulator assembly, a guide seat is fixedly connected to the top of the base and is positioned below the contact blade, a lifting seat is inserted in the guide seat in a sliding manner, a first spring is installed on the lifting seat, the top of the lifting seat is movably connected with the bottom of the contact blade through a telescopic rod, a support is fixedly connected to the top of the base and is positioned on the right side of the guide seat, a sliding seat is connected to the top of the support in a sliding manner, a movable plate is rotatably connected to the sliding seat, a limiting block inserted in the lifting seat is fixedly connected to the left side of the movable plate, a second spring is installed on the limiting block, two limiting grooves corresponding to the limiting block are formed in the right side of the lifting seat, an arc plate inserted in the movable plate is fixedly connected, the inner part of the movable plate is movably hinged with a first one-way plate corresponding to the shifting plate, the bottom of the touch blade is fixedly connected with a top plate on the right side of the arc plate, and the top of the movable plate is movably hinged with a second one-way plate corresponding to the top plate.
Furthermore, a baffle is arranged at the top end of the lifting seat, and the moving range of the lifting seat is limited.
Furthermore, the connection relation between the telescopic rod and the lifting seat and the connection relation between the telescopic rod and the contact blade are both movably hinged.
Furthermore, the arc plate is arc-shaped, and the radius of the arc is matched with the movable radius of the touch blade.
Furthermore, the inside of fly leaf is seted up the through-hole that corresponds with the arc board.
Furthermore, all install the reset torsion spring on the articulated shaft of one-way board one and one-way board two, the rotation direction of one-way board one and one-way board two is opposite, and the inside of fly leaf is provided with the dog that corresponds with one-way board one and one-way board two respectively, avoids it to take place the gyration.
Furthermore, the movable plate is movably mounted on the base through a rotating shaft, the one-way plate is located above the rotating shaft, and the limiting block is located below the rotating shaft.
Further, reset spring is installed on the right side of sliding seat, and the sliding seat is fixed at the top left end of support under reset spring's promotion, and the inside of sliding seat just is located the left side fixedly connected with limit baffle of fly leaf, avoids the fly leaf clockwise turning.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. when opening isolator, upwards mention and touch the blade, when the arc board is clockwise rotatory, through dialling board and one-way plate drive fly leaf anticlockwise rotation, the fly leaf drives the stopper and moves and leave the spacing groove to the right side, touching the blade and opening the back completely, the spacing groove and the stopper of below align, the stopper is fixed under the effect of spring two and is inserted the spacing inslot of below to will touch the blade and fix, avoid it to rock, guaranteed isolator job stabilization nature.
2. When closed isolator, press down and touch the blade, touch the in-process of blade anticlockwise rotation, drive fly leaf and sliding seat through roof and two one-way plates and move to the right, make stopper and spacing groove separation, the seat that goes up and down moves the spacing groove that resets to the top under the promotion of spring one and aligns with the stopper, the stopper reinserts the spacing inslot, fix the seat that goes up and down, and then fix and touch the blade, guaranteed the stability of touching blade and contact, effectual solution leads to the problem that isolator can not normally work because of touching the unstability of blade state.
3. Through setting up lift seat and spring one, when closed isolator, the spring for a moment touches the blade with decurrent power, guarantees to touch the blade and can close completely, has further improved the reliability of closure operation.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
fig. 3 is a left side view of the movable plate structure of the present invention.
In the figure: 1. a base; 2. an insulator assembly; 3. contacting the blade; 4. a contact; 5. a guide seat; 6. a lifting seat; 7. a first spring; 8. a telescopic rod; 9. a movable plate; 10. a limiting block; 11. a second spring; 12. a limiting groove; 13. an arc plate; 14. dialing a plate; 15. a first unidirectional plate; 16. a top plate; 17. a second unidirectional plate; 18. a support; 19. a sliding seat.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 3:
the invention provides a transformer substation disconnecting switch capable of working stably, which comprises a base 1 and an insulator assembly 2, wherein a contact blade 3 and a contact 4 are arranged on the top of the insulator assembly 2, a guide seat 5 is fixedly connected to the top of the base 1 and is positioned below the contact blade 3, a lifting seat 6 is inserted in the guide seat 5 in a sliding manner, a spring I7 is arranged on the lifting seat 6, the top of the lifting seat 6 is movably connected with the bottom of the contact blade 3 through an expansion link 8, a support 18 is fixedly connected to the top of the base 1 and is positioned on the right side of the guide seat 5, a sliding seat 19 is connected to the top of the support 18 in a sliding manner, a movable plate 9 is rotatably connected to the sliding seat 19, a limit block 10 inserted in the lifting seat 6 is fixedly connected to the left side of the movable plate 9, a spring II 11 is arranged on the limit block 10, two limit grooves 12 corresponding to the limit block 10 are formed in the right side of the lifting seat 6, an arc, the bottom of the arc plate 13 is fixedly connected with a shifting plate 14, the inside of the movable plate 9 is movably hinged with a first one-way plate 15 corresponding to the shifting plate 14, the bottom of the contact blade 3 is fixedly connected with a top plate 16 on the right side of the arc plate 13, and the top of the movable plate 9 is movably hinged with a second one-way plate 17 corresponding to the top plate 16.
Wherein, the top of lift seat 6 is provided with the baffle, restricts lift seat 6's range of motion.
Wherein, the connection relation between the telescopic rod 8 and the lifting seat 6 as well as the contact blade 3 is articulated movably.
Wherein, the arc plate 13 is arc-shaped, and the radius of the arc is matched with the moving radius of the contact blade 3.
Wherein, the inside of the movable plate 9 is provided with a through hole corresponding to the arc plate 13.
The first unidirectional plate 15 and the second unidirectional plate 17 are hinged to each other through a hinge shaft, the first unidirectional plate 15 and the second unidirectional plate 17 rotate in opposite directions, and the movable plate 9 is internally provided with a stop block corresponding to the first unidirectional plate 15 and the second unidirectional plate 17 respectively to prevent the first unidirectional plate 15 and the second unidirectional plate 17 from rotating.
The movable plate 9 is movably mounted on the base 1 through a rotating shaft, the first one-way plate 15 is located above the rotating shaft, and the limiting block 10 is located below the rotating shaft.
Wherein, reset spring is installed on the right side of sliding seat 19, and sliding seat 19 fixes at the top left end of support 18 under reset spring's promotion, and the inside of sliding seat 19 just is located the left side fixedly connected with limit baffle of fly leaf 9, avoids fly leaf 9 to rotate clockwise.
The specific use mode and function of the embodiment are as follows:
in the invention, the one-way plate I15 and the one-way plate II 17 are arranged, so that the one-way plate I15 can only rotate clockwise, the one-way plate II 17 can only rotate anticlockwise, when the isolating switch is closed, the limiting block 10 is fixedly inserted into the limiting groove 12 above under the action of the second spring 11, when the isolating switch is opened, the contact blade 3 is lifted upwards, and when the arc plate 13 rotates clockwise, the movable plate 9 is driven to rotate anticlockwise by the poking plate 14 and the one-way plate 15, the movable plate 9 drives the limiting block 10 to move right and leave the limiting groove 12, then the movable contact blade 3 can be continuously pulled to rotate upwards for opening, after the contact blade 3 is completely opened, the lower limiting groove 12 is aligned with the limiting block 10, the shifting plate 14 is separated from the first one-way plate 15 at the moment, and the limiting block 10 is fixedly inserted into the lower limiting groove 12 under the action of the second spring 11, so that the contact blade 3 is fixed and prevented from shaking; when the isolating switch is closed, the contact blade 3 is pressed downwards, and in the process of anticlockwise rotation of the contact blade 3, the movable plate 9 and the sliding seat 19 are driven to move rightwards through the top plate 16 and the second check plate 17, so that the limiting block 10 is separated from the limiting groove 12, the lifting seat 6 moves downwards under the pushing of the first spring 7 to reset to the upper limiting groove 12 to be aligned with the limiting block 10, the limiting block 10 is inserted into the limiting groove 12 again to fix the lifting seat 6, so that the contact blade 3 is fixed, the stability of contact between the contact blade 3 and the contact 4 is ensured, and the problem that the isolating switch cannot normally work due to the instability of the state of the contact blade 3 is effectively solved; through setting up lift seat 6 and spring 7, when closed isolator, spring 7 can give and touch blade 3 with decurrent power, guarantees to touch blade 3 and can close completely, has further improved the reliability of closing the operation.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (8)
1. The utility model provides a but isolator of transformer substation of steady operation, includes base (1) and insulator subassembly (2), its characterized in that: a contact blade (3) and a contact (4) are installed above the top of the insulator component (2), a guide seat (5) is fixedly connected to the top of the base (1) and is positioned below the contact blade (3), a lifting seat (6) is inserted into the guide seat (5) in a sliding manner, a first spring (7) is installed on the lifting seat (6), the top of the lifting seat (6) is movably connected with the bottom of the contact blade (3) through a telescopic rod (8), a support seat (18) is fixedly connected to the top of the base (1) and is positioned on the right side of the guide seat (5), a sliding seat (19) is slidably connected to the top of the support seat (18), a movable plate (9) is rotatably connected to the sliding seat (19), a limit block (10) inserted into the lifting seat (6) is fixedly connected to the left side of the movable plate (9), a second spring (11) is installed on the limit block (10), two limit grooves (12) corresponding to the limit block (10) are formed in the right, the bottom fixedly connected with of touching blade (3) inserts inside arc board (13) of fly leaf (9), the bottom fixedly connected with of arc board (13) dials board (14), the inside activity hinge of fly leaf (9) has one-way board (15) that correspond with dialling board (14), the bottom of touching blade (3) just is located right side fixedly connected with roof (16) of arc board (13), the top activity hinge of fly leaf (9) has one-way board two (17) that correspond with roof (16).
2. A substation disconnector operable stably according to claim 1, characterized in that: the top end of the lifting seat (6) is provided with a baffle.
3. A substation disconnector operable stably according to claim 1, characterized in that: the connection relation between the telescopic rod (8) and the lifting seat (6) and the contact blade (3) is movably hinged.
4. A substation disconnector operable stably according to claim 1, characterized in that: the arc plate (13) is arc-shaped, and the radius of the arc is matched with the movable radius of the contact blade (3).
5. A substation disconnector operable stably according to claim 1, characterized in that: the movable plate (9) is internally provided with a through hole corresponding to the arc plate (13).
6. A substation disconnector operable stably according to claim 1, characterized in that: all install reset torsion spring on the articulated shaft of one-way board (15) and one-way board two (17), the rotation direction of one-way board (15) and one-way board two (17) is opposite, and the inside of fly leaf (9) is provided with the dog that corresponds with one-way board (15) and one-way board two (17) respectively.
7. A substation disconnector operable stably according to claim 1, characterized in that: the movable plate (9) is movably mounted on the base (1) through a rotating shaft, the first one-way plate (15) is located above the rotating shaft, and the limiting block (10) is located below the rotating shaft.
8. A substation disconnector operable stably according to claim 1, characterized in that: a return spring is installed on the right side of the sliding seat (19), and a limiting baffle is fixedly connected to the left side of the movable plate (9) and inside the sliding seat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590796.6A CN111710554A (en) | 2020-06-24 | 2020-06-24 | Transformer substation isolating switch capable of working stably |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010590796.6A CN111710554A (en) | 2020-06-24 | 2020-06-24 | Transformer substation isolating switch capable of working stably |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111710554A true CN111710554A (en) | 2020-09-25 |
Family
ID=72543519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010590796.6A Withdrawn CN111710554A (en) | 2020-06-24 | 2020-06-24 | Transformer substation isolating switch capable of working stably |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111710554A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977136A (en) * | 2021-04-08 | 2021-06-18 | 国网新疆电力有限公司乌鲁木齐供电公司 | Sliding rail mobile type wall-mounted automobile charging pile |
| CN113496844A (en) * | 2021-09-08 | 2021-10-12 | 广东电网有限责任公司东莞供电局 | Isolating switch mechanism |
-
2020
- 2020-06-24 CN CN202010590796.6A patent/CN111710554A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112977136A (en) * | 2021-04-08 | 2021-06-18 | 国网新疆电力有限公司乌鲁木齐供电公司 | Sliding rail mobile type wall-mounted automobile charging pile |
| CN113496844A (en) * | 2021-09-08 | 2021-10-12 | 广东电网有限责任公司东莞供电局 | Isolating switch mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200925 |
|
| WW01 | Invention patent application withdrawn after publication |