CN202339874U - Indoor high-voltage isolating automatic grounding switch - Google Patents
Indoor high-voltage isolating automatic grounding switch Download PDFInfo
- Publication number
- CN202339874U CN202339874U CN201120505584XU CN201120505584U CN202339874U CN 202339874 U CN202339874 U CN 202339874U CN 201120505584X U CN201120505584X U CN 201120505584XU CN 201120505584 U CN201120505584 U CN 201120505584U CN 202339874 U CN202339874 U CN 202339874U
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- main shaft
- set bolt
- isolation knife
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Abstract
The utility model provides an indoor high-voltage isolating automatic grounding switch. Two supporting isolators are respectively fixed on one side and the middle side of a base assembly through bolts, a wire inlet board, a grounding pole and a wire outlet board are respectively fixed on the two supporting isolators through fixing bolts, an isolating pole assembly is fixed on the wire outlet board, a main shaft and a side shaft are rotatably arranged on the base assembly, one side of the main shaft clings to a crank arm closely, the upper end of the crank arm is connected with one end of an operating isolator through a hinge pin and a cotter pin, the other end of the operating isolator is connected to the isolating pole assembly, a grounding stationary contact is assembled and fixed on a grounding rod through a fixing bolt for the grounding rod, and clip forks on the main shaft and the side shaft are respectively connected with a connecting rod through the hinge pin and the cotter pin. The indoor high-voltage isolating automatic grounding switch can realize quick grounding when electrostatic Induction generates capacitance current, electromagnetic induction generates inductive current and creepage or arcing happens. The indoor high-voltage isolating automatic grounding switch is simple and compact in structure, light in weight, flexible in operation, convenient to install and good in dynamic thermal stability.
Description
Technical field
The utility model relates to a kind of indoor high-voltage and isolates automatic earthed switch.
Background technology
Present known indoor high-voltage isolating switch is not with automatic earthing device; Just added earth stud in base portion; Through ground wire the remaining electric arc below the insulator is imported the earth then, but the remaining electric arc overwhelming majority is on insulator, and not below; So base portion does not have electric arc basically, only if insulator is damaged; The capacitance current that therefore can not electrostatic induction be produced and electromagnetic induction produce inductive current and quick ground connection when the enclosure insulator creepage phenomenon or enclosure occur and the phenomenon of arcing occurs.So not only there is certain harm in electric power system, and the personal safety in when maintenance is also caused certain potential hazard.
Summary of the invention
Address the above problem in order to overcome; The purpose of the utility model provides a kind of indoor high-voltage and isolates automatic earthed switch; The capacitance current that is beneficial to that electrostatic induction is produced produces inductive current with electromagnetic induction and creepage phenomenon occurs or quick ground connection during the arcing phenomenon, the fail safe and the dynamic thermal stability of raising indoor high-voltage isolating switch.
It is that a kind of indoor high-voltage is isolated automatic earthed switch that the utility model solves the technical scheme that its technical problem adopted, and wherein: this earthed switch includes set bolt, ground connection cutter, the assembling of ground connection fixed contact, outlet board, outlet board set bolt, the fixed bolt assembling of isolation knife, the set bolt of isolation knife, limiting plate, connecting lever, supporting insulator, the operation insulator of isolation knife assembling, inlet wire plate, inlet wire plate set bolt, base assembling, main shaft, bracket, connecting rod, side shaft, earth brace, earth brace;
On side of base assembling and medial side, be fixed with first supporting insulator and second supporting insulator respectively through bolt; The inlet wire plate is fixed on first supporting insulator through inlet wire plate set bolt; Ground connection cutter and outlet board are fixed on second supporting insulator through the outlet board set bolt respectively, through the set bolt of isolation knife and the fixed bolt assembling of isolation knife isolation knife are assembled rotating being connected on the outlet board;
Middle part and rotating main shaft and the side shaft of being provided with of a sidepiece in the base assembling; One side of main shaft is glued with connecting lever; The upper end of connecting lever is connected with an end of operation insulator through bearing pin and split pin; The other end of operation insulator is connected in the isolation knife assembling, and a side of main shaft is fixed with limiting plate, and a side of the opposite side of main shaft and side shaft all is fixed with bracket; Set bolt through earth brace is fixed on the assembling of ground connection fixed contact on the earth brace, and the lower end of earth brace coincide and is set on the side shaft, and the bracket on main shaft and the side shaft is connected with connecting rod through bearing pin and split pin respectively.
The effect of the utility model is: earthing device is positioned on the side that the outlet isolating switch leans on circuit fast, and it has two effects: 1, fast parallel shelf ceases to be busy route is produced inductive current ground connection in capacitance current and the electromagnetic induction that electrostatic induction produces; 2, quick ground connection when the enclosure insulator creepage phenomenon or enclosure occur and the phenomenon of arcing occurs.This earthed switch is simple and compact for structure, in light weight, flexible operation, easy for installation, safe, dynamic and thermal stability is good, has remedied the shortcoming of traditional switch.
Description of drawings
Fig. 1 is the axis side view of gate-dividing state of the automatic earthed switch of the utility model;
Fig. 2 is the front view of gate-dividing state of the automatic earthed switch of the utility model;
Fig. 3 is the axis side view of "on" position of the automatic earthed switch of the utility model;
Fig. 4 is the front view of "on" position of the automatic earthed switch of the utility model.
Among the figure:
1, the set bolt 17 of the fixed bolt assembling 16 of the set bolt 11 of isolation knife assembling inlet wire plate 2, inlet wire plate 3, set bolt 4, base assembling 5, main shaft 6, bracket 7, connecting rod 8, side shaft 9, earth brace 10, earth brace, ground connection cutter 12, ground connection fixed contact assembling 13, outlet board 14, outlet board set bolt, 15, isolation knife, isolation knife, limiting plate 18, connecting lever 19, supporting insulator 20, operation insulator
Embodiment
Below in conjunction with accompanying drawing the indoor high-voltage of the utility model being isolated automatic earthed switch structure further specifies.
The indoor high-voltage of the utility model is isolated automatic earthed switch, and this earthed switch includes set bolt 10, ground connection cutter 11, ground connection fixed contact assembling 12, outlet board 13, outlet board set bolt 14, the fixed bolt assembling 15 of isolation knife, set bolt assembling 16, limiting plate 17, bearing pin and the split pin of isolation knife, connecting lever 18, supporting insulator 19, the operation insulator 20 of isolation knife assembling 1, inlet wire plate 2, inlet wire plate set bolt 3, base assembling 4, main shaft 5, bracket 6, connecting rod 7, side shaft 8, earth brace 9, earth brace.
On side of base assembling 4 and medial side, be fixed with first supporting insulator 19 and second supporting insulator 19 respectively through bolt; Inlet wire plate 2 is fixed on first supporting insulator 19 through inlet wire plate set bolt 3; The ground connection cutter 11 of shape is fixed on second supporting insulator 19 through outlet board set bolt 14 respectively with outlet board 13, and the set bolt 16 through isolation knife and the fixed bolt assembling of isolation knife 15 are assembled 1 rotating being connected on the outlet board 13 with isolation knife.
Middle part and rotating main shaft 5 and the side shaft 8 of being provided with of a sidepiece in base assembling 4; One side of main shaft 5 is glued with connecting lever 18; The upper end of connecting lever 18 is connected with an end of operation insulator 20 through bearing pin and split pin; The other end of operation insulator 20 is connected in the isolation knife assembling 1, and a side of main shaft 5 is fixed with limiting plate 17, and a side of the opposite side of main shaft 5 and side shaft 8 all is fixed with bracket 6; Set bolt 10 through earth brace is fixed on ground connection fixed contact assembling 12 on the earth brace 9, and the lower end of earth brace 9 coincide and is set on the side shaft 8, and the bracket 6 on main shaft 5 and the side shaft 8 is connected with connecting rod 7 through bearing pin and split pin respectively.
Like Fig. 1, shown in 2; First supporting insulator 19 and second supporting insulator 19 are respectively through being bolted in the base assembling 4; Inlet wire plate 2 is fixed on first supporting insulator 19 through inlet wire plate set bolt 3, and ground connection cutter 11 is fixed on second supporting insulator 19 through outlet board set bolt 14 respectively with outlet board 13.Isolation knife assembling 1 set bolt 17 through isolation knife is fixed on the outlet board 13; Main shaft 5 is fixed on the base through the form (can rotate) of welding respectively with side shaft 8; Bracket 6, limiting plate 17 and connecting lever 18 mix up fixed-site respectively on main shaft 5; Earth brace 9 mixes up fixed-site respectively on side shaft 8 with bracket 6, and ground connection fixed contact assembling 12 is fixed on the earth brace 9 through the set bolt 10 of earth brace respectively, and connecting rod 7 is fixed on the bracket 6 on main shaft 5 and the side shaft 8 through bearing pin and split pin respectively; Operation insulator 20 lower end main shafts are fixed through bearing pin and split pin and connecting lever 18, operate insulator 20 upper ends and isolation knife and assemble 1 and assemble.
Like Fig. 3, the operating principle shown in 4: when switch carries out feed motion, when main shaft 5 rotates, drive isolation knife assembling 1 through connecting lever 18, operation insulator 20 and carry out feed motion; Meanwhile when main shaft 5 rotates, the interlock effect through connecting rod 7 drives side shaft 8 motions, thus make earth brace 9 drive ground connection fixed contacts assembling 12 automatically and ground connection cutter 11 open fast.And this moment, isolation knife was in "on" position, and the ground connection connecting rod is in open mode, and ground connection fixed contact assembling 12 was opened with the ground connection cutter in 11 minutes, and kept the discharging gap of regulation with outlet board 13 and ground connection cutter 10.
Like Fig. 1, the operating principle shown in 2 be: when switch carries out the action of separating brake, when main shaft 5 rotates, drive isolation knife assembling 1 through connecting lever 18, operation insulator 20 and carry out the separating brake action; Meanwhile when main shaft 5 rotates; Interlock effect through connecting rod 7 drives side shaft 8 motions; Automatically, contact fast with ground connection cutter 11 thereby make earth brace 9 drive ground connection fixed contacts assembling 12, thus reach with the capacitance current of electrostatic induction generation and electromagnetic induction generation inductive current and when the enclosure insulator creepage phenomenon or enclosure occur and the phenomenon of arcing occurs the purpose of quick ground connection.
Claims (2)
1. an indoor high-voltage is isolated automatic earthed switch, it is characterized in that: this earthed switch includes set bolt (10), ground connection cutter (11), the assembling of ground connection fixed contact (12), outlet board (13), outlet board set bolt (14), the fixed bolt assembling (15) of isolation knife, set bolt assembling (16), the limiting plate (17) of isolation knife, connecting lever (18), supporting insulator (19), the operation insulator (20) of isolation knife assembling (1), inlet wire plate (2), inlet wire plate set bolt (3), base assembling (4), main shaft (5), bracket (6), connecting rod (7), side shaft (8), earth brace (9), earth brace;
On side of base assembling (4) and medial side, be fixed with first supporting insulator (19) and second supporting insulator (19) respectively through bolt; Inlet wire plate (2) is fixed on first supporting insulator (19) through inlet wire plate set bolt (3); Ground connection cutter (11) and outlet board (13) are fixed on second supporting insulator (19) through outlet board set bolt (14) respectively, and (1) is rotating is connected on the outlet board (13) with the isolation knife assembling for set bolt (16) through isolation knife and the fixed bolt of isolation knife assembling (15);
Middle part and rotating main shaft (5) and the side shaft (8) of being provided with of a sidepiece in base assembling (4); One side of main shaft (5) is glued with connecting lever (18); The upper end of connecting lever (18) is connected with an end of operation insulator (20) through bearing pin and split pin; The other end of operation insulator (20) is connected in the isolation knife assembling (1), and a side of main shaft (5) is fixed with limiting plate (17), and a side of the opposite side of main shaft (5) and side shaft (8) all is fixed with bracket (6); Set bolt (10) through earth brace is fixed on ground connection fixed contact assembling (12) on the earth brace (9), and the lower end of earth brace (9) coincide and is set on the side shaft (8), and the bracket (6) on main shaft (5) and the side shaft (8) is connected with connecting rod (7) through bearing pin and split pin respectively.
2. indoor high-voltage according to claim 1 is isolated automatic earthed switch, it is characterized in that: said ground connection cutter (11) is a shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120505584XU CN202339874U (en) | 2011-12-07 | 2011-12-07 | Indoor high-voltage isolating automatic grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120505584XU CN202339874U (en) | 2011-12-07 | 2011-12-07 | Indoor high-voltage isolating automatic grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202339874U true CN202339874U (en) | 2012-07-18 |
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ID=46488563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120505584XU Expired - Fee Related CN202339874U (en) | 2011-12-07 | 2011-12-07 | Indoor high-voltage isolating automatic grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202339874U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845478A (en) * | 2016-06-06 | 2016-08-10 | 柳州市海格电气有限公司 | Method for manufacturing 35KV isolation switch |
| CN105957744A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 110kV disconnecting switch |
| CN105957743A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 220kV disconnecting switch |
| CN110600311A (en) * | 2019-08-01 | 2019-12-20 | 广东电网有限责任公司 | Outdoor earthing knife switch |
| CN112750646A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel high-voltage isolating switch for railway |
-
2011
- 2011-12-07 CN CN201120505584XU patent/CN202339874U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845478A (en) * | 2016-06-06 | 2016-08-10 | 柳州市海格电气有限公司 | Method for manufacturing 35KV isolation switch |
| CN105957744A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 110kV disconnecting switch |
| CN105957743A (en) * | 2016-06-06 | 2016-09-21 | 柳州市海格电气有限公司 | Manufacturing method of 220kV disconnecting switch |
| CN110600311A (en) * | 2019-08-01 | 2019-12-20 | 广东电网有限责任公司 | Outdoor earthing knife switch |
| CN112750646A (en) * | 2020-12-28 | 2021-05-04 | 川铁电气（天津）股份有限公司 | Novel high-voltage isolating switch for railway |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sideihua Electrical (Tianjin) Co.,Ltd. Assignor: Chuantie Electric (Tianjin) Group Co., Ltd. Contract record no.: 2013120000050 Denomination of utility model: Indoor high-voltage isolating automatic grounding switch Granted publication date: 20120718 License type: Exclusive License Record date: 20130912 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120718 Termination date: 20171207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |