CN203103200U - 27.5kV indoor integration electric isolating switch - Google Patents
27.5kV indoor integration electric isolating switch Download PDFInfo
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- CN203103200U CN203103200U CN 201220707178 CN201220707178U CN203103200U CN 203103200 U CN203103200 U CN 203103200U CN 201220707178 CN201220707178 CN 201220707178 CN 201220707178 U CN201220707178 U CN 201220707178U CN 203103200 U CN203103200 U CN 203103200U
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Abstract
The utility model provides a 27.5kV indoor integration electric isolating switch. The isolating switch comprises an indoor high-voltage isolating switch, an indoor side output electric operating mechanism, a transmission system and a conductive part which are connected into a whole. The effects are that the integration electric isolating switch can be widely applied to electrified railway substations and other complete equipment of the substations, more than a half of the occupied space can be saved, the cost is save by 1/5, and the time spent on installation and synchronization debugging of the isolating switch and the operating mechanism on site. The 27.5kV indoor integration electric isolating switch has the advantages of compact and reasonable structure, labor-saving operation, simple maintenance, beautiful appearance , small size, convenient installation and integrated system, and is more suitable to be used indoor and inside a cabinet durably.
Description
Technical field
The utility model relates to the indoor integrated electric isolating switch of a kind of rated voltage 27.5kV, the usefulness of conversion when having voltage zero load for ac electrified railway high voltage power transmission and transforming system, buffer circuit.
Background technology
Along with the fast development of China's electric railway, the professional electric equipment that needs is increasing, and isolating switch also must be widely applied among each circuit.Reliable in quality, the isolating switch that economy is outstanding will be the bases of the electrified development of China railways.
Generally indoor isolating switch all is isolating switch and motor-operating mechanism partial installation, so just just need take a large amount of spaces, the isolating switch of especially installing, the importance in the space that particularly seems in cabinet.Research and development for the integral switch of 27.5kV miniaturization are extremely urgent.
Summary of the invention
For solving the problem that above-mentioned requirements proposed, the purpose of this utility model provides the indoor integrated electric isolating switch of a kind of 27.5kV, as the usefulness of dividing, closing circuit is arranged under the non-loaded situation of voltage.Be beneficial to improve the reliability of dividing, closing circuit is arranged under the non-loaded situation of voltage.
For achieving the above object, the technical solution adopted in the utility model provides the indoor integrated electric isolating switch of a kind of 27.5kV, and wherein: this isolating switch includes indoor high-voltage isolating switch, indoor side output motor-operating mechanism, drive system and current-carrying part and holds together;
Described indoor high-voltage isolating switch includes post insulator, link insulator, moving contact component, isolation knife assembly, fixed contact assembly, shaft assembly and underframe assembly; Two post insulators are separately fixed on the underframe assembly, one post insulator upper end is fixed with the fixed contact assembly, another post insulator upper end is fixed with moving contact component, one end of isolation knife assembly is connected with fixed contact assembly one end by the bolt pivot pin, but the isolation knife assembly other end is connected with the contact of moving contact component separated time; Be provided with link insulator in the middle of two post insulators, be connected with an end of link insulator in the middle of the isolation knife assembly, link insulator is connected with shaft assembly by the connecting lever that connects, thereby forms the isolating switch body; On the axle support plate with on the isolating switch body vertical direction shaft assembly of can be counterclockwise, turning clockwise is housed on the underframe assembly, on the side plate of shaft assembly by axle bumper cover fixed frame assembly, be connected with the connecting lever of a rotation on the shaft assembly, be connected with link insulator, can drive link insulator moves up and down, and then be with the isolation knife assembly to separate with moving contact component, realize dividing, closing circuit;
Indoor side output motor-operating mechanism includes casing, main transmission part, secondary output plug, manual stopping means, and the whole logical securing member of main transmission part is connected with the underframe assembly;
Described main transmission part includes manual actuating parts, band drive disk assembly, leading screw screw running part, electric limiting component, motor; Motor drives leading screw screw running part by the band drive disk assembly, and the travel switch outage on the electric limiting component, mechanism's stall are run in the motion of leading screw screw running part drive stroke plate.Also can be by the motion of the manual actuating parts manual operation running part that connects on the leading screw screw running part;
Described current-carrying part is to be separately fixed on the underframe assembly by two post insulators, the two ends of described isolation knife assembly connect moving contact component and fixed contact assembly respectively, be connected with an end of link insulator in the middle of the described isolation knife assembly, other end of link insulator is connected with shaft assembly by the connecting lever that connects.
Effect of the present utility model is that this integrated electric isolating switch can be widely used in electric railway electric substation, and in other complete set of equipments of electric substation, as the usefulness of dividing, closing circuit is arranged under the non-loaded situation of voltage.According to the speed of domestic electric railway transport development and since this product technically primacy and the economy on the price, determined that this product must produce good social benefit, specifically may be embodied in following some:
1, original isolating switch of this integrated electric isolating switch and operating mechanism partial installation can be saved taking up room more than 1/2.
2, the isolating switch of this integrated electric isolating switch and operating mechanism are for once integrated, once debug to put in place synchronously before dispatching from the factory and get final product, four connecting rod jockeys in the middle of original isolating switch and operating mechanism partial installation have reduced, not only cost savings 1/5, reduce the time that on-the-spot isolating switch and operating mechanism are installed synchronous debugging especially.
3, these properties of product are reliable, can significantly reduce the field service workload, reduce operation procedure, raise the efficiency and reduce system's operation cost.
4, this integrated electric isolating switch has compact conformation, rapid operation, maintenance is simple, aesthetic in appearance, rational in infrastructure, volume is little, be convenient to install, system integration, is more suitable in indoor, the cabinet advantages such as lasting use.Belong to new intention, new technology, belong to the technological precedence level at home.
Description of drawings
Fig. 1 is the indoor integrated electric isolating switch of a utility model 27.5kV structural front view;
Fig. 2 is the indoor integrated electric isolating switch of a utility model 27.5kV structure vertical view;
Fig. 3 is the indoor integrated electric isolating switch mechanism of a utility model 27.5kV main transmission part schematic diagram;
Fig. 4 is the indoor integrated electric isolating switch of a utility model 27.5kV structural perspective.
Among the figure:
1, post insulator 2, link insulator 3, moving contact component 4, isolation knife assembly
5, fixed contact assembly 6, shaft assembly 7, underframe assembly 8, mechanism's casing
9, main transmission part 10, secondary output plug 11, manual stopping means
12, manual actuating parts 13, band drive disk assembly 14, leading screw screw running part
15, electric limiting component 16, motor
Embodiment
Structure to the indoor integrated electric isolating switch of 27.5kV of the present utility model is illustrated in conjunction with the accompanying drawings.
The indoor integrated electric isolating switch of 27.5kV of the present utility model structure is that this isolating switch includes indoor high-voltage isolating switch, indoor side output motor-operating mechanism, drive system and current-carrying part and holds together.
Described indoor high-voltage isolating switch includes post insulator 1, link insulator 2, moving contact component 3, isolation knife assembly 4, fixed contact assembly 5, shaft assembly 6 and underframe assembly 7; Two post insulators 1 are separately fixed on the underframe assembly 7, one post insulator, 1 upper end is fixed with fixed contact assembly 5, another post insulator 1 upper end is fixed with moving contact component 3, one end of isolation knife assembly 4 is connected with fixed contact assembly 5 one ends by the bolt pivot pin, but isolation knife assembly 4 other ends are connected with the contact of moving contact component 3 separated times; Be provided with link insulator 2 in the middle of two post insulators 1, be connected with an end of link insulator 2 in the middle of the isolation knife assembly 4, link insulator 2 is connected with shaft assembly 6 by the connecting lever that connects, thereby forms the isolating switch body; On the axle support plate with on the isolating switch body vertical direction shaft assembly 6 of can be counterclockwise, turning clockwise is housed on the underframe assembly 7, on the side plate of shaft assembly 6 by axle bumper cover fixed frame assembly 7, be connected with the connecting lever of a rotation on the shaft assembly 6, be connected with link insulator 2, can drive link insulator 2 moves up and down, and then be with isolation knife assembly 4 to separate with moving contact component 3, realize dividing, closing circuit.
Indoor side output motor-operating mechanism includes casing 8, main transmission part 9, secondary output plug 10, manual stopping means 11, and main transmission part 9 whole logical securing members are connected with underframe assembly 7.
Described main transmission part 9 includes manual actuating parts 12, band drive disk assembly 13, leading screw screw running part 14, electric limiting component 15, motor 16; Motor 16 drives leading screw screw running part 14 by band drive disk assembly 13, and the travel switch outage on the electric limiting component 15, mechanism's stall are run in the 14 drive stroke plate motions of leading screw screw running part.Also can be by the motion of the manual actuating parts 12 manual operation running parts of connection on the leading screw screw running part 14;
Described current-carrying part is to be separately fixed on the underframe assembly 7 by two post insulators 1, the two ends of described isolation knife assembly 4 connect moving contact component 3 and fixed contact assembly 5 respectively, described isolation knife assembly 4) be connected with an end of link insulator 2 in the middle of, other end of link insulator 2 is connected with shaft assembly 6 by the connecting lever that connects.
Described motor-operating mechanism main transmission part 9 includes manual actuating parts 12, band drive disk assembly 13, leading screw screw running part 14, electric limiting component 15, motor 16, described motor 16 constitutes the first order with band drive disk assembly 13 and slows down, leading screw screw running part 14 slows down for the second level, motor 16 is by band drive disk assembly 13 one-level deceleration strip movable wire thick stick screw running parts 14, stroke plate motion above leading screw screw running part 14 drives touches the travel switch outage on the electric limiting component 15, mechanism's stall; The shaft assembly 6 realization switch branches of while leading screw screw running part 14 drive belt switches/close; Manually shake manual stopping means 11 by crank during actuating and drive leading screw screw running parts 14, and then the shaft assembly 6 of belt switch is realized switches deciliter.
Described underframe assembly 7 includes base, main shaft, stop block, back-up ring; The main shaft that being fixed with by back-up ring and stop block on the base support plate can be counterclockwise, turn clockwise, the stop screw of scalable length is housed on the stop block, by the spacing angle of determining main axis rotation of stop screw, and then determine conduction isolation knife assembly 4 minutes, fashionable desired final position.
Shown in Fig. 1-4, the indoor integrated electric isolating switch of 27.5kV of the present utility model structure is that this integrated electric isolating switch is to consist of example with indoor small-sized electric operating mechanism of CJ3 type and GN2-27.5 type indoor high-voltage isolating switch to be illustrated:
27.5kV indoor integrated electric isolating switch adopts DC motor to drive, and subtracts speed change system by leading screw and the transmission of belt wheel formula, and power is passed to output shaft, output shaft drives isolating switch, to realize branch, the closing operation of switch.
Motor drive mechanism mechanical reduction system comprises screw mandrel, screw and output revolving shaft; The reducing gear tail end is provided with the manual operation hole and carries out manual operation, when manual lever inserts mechanism, cuts off the electricity supply, and guarantees safety.
Electric control system comprises driving electric system and control electric system, drives the electric system main electrical scheme in mechanism case, and control electric system main electrical scheme is then in control operation case or complete set of equipments secondary control room.
Mechanism case and indoor isolator fuse, and the control control box is connected by aviation plug by cable in the middle of being installed on the net grid during indoor use; All controlling parts all are contained in complete set of equipments secondary control room when using in the cabinet, are connected by aviation plug by cable.This isolating switch is made up of post insulator 1, link insulator 2, moving contact component 3, isolation knife assembly 4, fixed contact assembly 5, shaft assembly 6, underframe assembly 7.This isolating switch comprises by the isolating switch body and being installed in parallel on the underframe assembly 7, on the axle support plate with on the flat body vertical direction of isolating switch the shaft assembly 6 of can be counterclockwise, turning clockwise is housed on the underframe assembly 7, shaft assembly 6 is by on back-up ring fixed frame assembly 7 side plates, be connected with the connecting lever of a rotation on the shaft assembly 6, be connected with link insulator 2, can drive link insulator 2 and move up and down, and then band isolation knife assembly 4 realizes dividing, closing circuit.
The conductive component of isolating switch body is separately fixed on the underframe assembly 7 by two post insulators 1, the two ends of described isolation knife assembly 4 connect moving contact component 3 and fixed contact assembly 5 respectively, be connected with an end of link insulator 2 in the middle of the described isolation knife assembly 4, link insulator 2 is connected with shaft assembly 6 by the connecting lever that connects.
The actuating modular construction of isolating switch body is that two post insulators 1 are separately fixed on the underframe assembly 7, be fixed with the shaft assembly 6 of can be counterclockwise, turning clockwise by axle sleeve and axle bumper cover on the axle support plate of underframe assembly 7, shaft assembly 6 is connected with the connecting lever that is connected with link insulator 2 other ends by bearing pin.
The isolating switch current-carrying part mainly is made up of moving contact component 3, isolation knife assembly 4, fixed contact assembly 5.Fixed contact assembly 5 is mounted on two post insulators 1 that are fixed in above the underframe, and an end of isolation knife assembly 4 is connected with a fixed contact assembly 5 by the bolt pivot pin, and rotation isolation knife assembly 4 can divide with other end moving contact component 3 formations and be connected.In the middle of rotating isolation knife assembly 4 link insulator 2 is arranged, all there is fastening spring at two ends, keep the pressure of 2 pairs of fixed contacts of link insulator, the parallel installation of isolating switch body.Link insulator 2 be installed in underframe assembly 7 on shaft assembly 6 on connecting lever link to each other, shaft assembly 6 links to each other by the output shaft of connecting lever with the leading screw screw running part 14 of motor-operating mechanism.The two ends of shaft assembly 6 are underframe assembly 7 all, and electric operating mechanism can be contained in any side, and motor-operating mechanism and isolating switch are installed on the underframe assembly 7 jointly.Underframe assembly 7 is made up of base, main shaft, stop block, back-up ring etc.The final position of resultant requirement when stop block is mainly used to guarantee conduction isolation knife assembly 4 " branches ", " closing ".
As shown in Figure 2; mechanism's casing 8 of the motor-operating mechanism of the indoor integrated electric isolating switch of 27.5kV of the present utility model mainly is the inner main transmission section of protection mechanism; secondary output plug 10 be and control cabinet between electric interfaces, manually stopping means 11 is to prevent electrically operated locking device when carrying out manual operation.
As shown in Figure 3, the electric operating mechanism main transmission part is mainly formed structure and is: manually actuating parts 12, band drive disk assembly 13, leading screw screw running part 14, electric limiting component 15, motor 16.
Leading screw screw running part 14 is formed screw pair, and the stroke plate is connected with screw 13 with output shaft, and manually the leading screw of actuating parts 12 leading screw screw running parts 14 connects, motor 16, and band drive disk assembly 13 and remaining part are fixed on the main transmission mounting panel.
Operation logic is: press branch/switch knob in control cabinet, motor gets electric just change (counter-rotating), realize double reduction by belt transmission, the transmission of leading screw screw, screw drives the stroke plate and is dividing/closing the position to force electric limiting component outage, the motor stall, screw drives output shaft and passes to shaft assembly 6 realization isolating switch branch/combined floodgates simultaneously.Manually shake manual actuating parts with crank during actuating and drive leading screw, screw, and then drive output shaft and pass to shaft assembly 6 and realize the isolating switch divide-shut brakes.
This isolating switch satisfies the regulation of standard GB 1985 " ac high-voltage isolating switch and earthed switch ", technical parameter such as following table:
Claims (3)
1. indoor integrated electric isolating switch of 27.5kV is characterized in that: this isolating switch includes indoor high-voltage isolating switch, indoor side output motor-operating mechanism, drive system and current-carrying part and holds together;
Described indoor high-voltage isolating switch includes post insulator (1), link insulator (2), moving contact component (3), isolation knife assembly (4), fixed contact assembly (5), shaft assembly (6) and underframe assembly (7); Two post insulators (1) are separately fixed on the underframe assembly (7), one post insulator (1) upper end is fixed with fixed contact assembly (5), another post insulator (1) upper end is fixed with moving contact component (3), one end of isolation knife assembly (4) is connected with fixed contact assembly (5) one ends by the bolt pivot pin, isolation knife assembly (4) other end with moving contact component (3) but separated time contact and be connected; Be provided with link insulator (2) in the middle of two post insulators (1), be connected with an end of link insulator (2) in the middle of the isolation knife assembly (4), link insulator (2) is connected with shaft assembly (6) by the connecting lever that connects, thereby forms the isolating switch body; Underframe assembly (7) go up on the axle support plate with isolating switch body vertical direction on the shaft assembly (6) of can be counterclockwise, turning clockwise is housed, on the side plate of shaft assembly (6) by axle bumper cover fixed frame assembly (7), be connected with the connecting lever of a rotation on the shaft assembly (6), be connected with link insulator (2), can drive link insulator (2) moves up and down, and then be with isolation knife assembly (4) to separate with moving contact component (3), realize dividing, closing circuit;
Indoor side output motor-operating mechanism includes casing (8), main transmission part (9), secondary output plug (10), manual stopping means (11), and the whole logical securing member of main transmission part (9) is connected with underframe assembly (7);
Described main transmission part (9) includes manual actuating parts (12), band drive disk assembly (13), leading screw screw running part (14), electric limiting component (15), motor (16); Motor (16) drives leading screw screw running part (14) by band drive disk assembly (13), and the travel switch outage on the electric limiting component (15), mechanism's stall are run in the motion of leading screw screw running part (14) drive stroke plate.Also can go up the motion of manual actuating parts (12) the manual operation running part that connects by leading screw screw running part (14);
Described current-carrying part is to be separately fixed on the underframe assembly (7) by two post insulators (1), the two ends of described isolation knife assembly (4) connect moving contact component (3) and fixed contact assembly (5) respectively, be connected with an end of link insulator (2) in the middle of the described isolation knife assembly (4), other end of link insulator (2) is connected with shaft assembly (6) by the connecting lever that connects.
2. the indoor integrated electric isolating switch of 27.5kV according to claim 1, it is characterized in that: described motor-operating mechanism main transmission part (9) includes manual actuating parts (12), band drive disk assembly (13), leading screw screw running part (14), electric limiting component (15), motor (16), described motor (16) constitutes the first order with band drive disk assembly (13) and slows down, leading screw screw running part (14) slows down for the second level, motor (16) is by band drive disk assembly (13) one-level deceleration strip movable wire thick stick screw running part (14), stroke plate motion above leading screw screw running part (14) drives touches the travel switch outage on the electric limiting component (15), mechanism's stall; Shaft assembly (6) the realization switch branch of the belt switch of leading screw screw running part (14) drive simultaneously/close; Manually shake manual stopping means (11) by crank during actuating and drive leading screw screw running part (14), and then the shaft assembly of belt switch (6) is realized switch deciliter.
3. the indoor integrated electric isolating switch of 27.5kV according to claim 1 is characterized in that: described underframe assembly (7) includes base, main shaft, stop block, back-up ring; The main shaft that being fixed with by back-up ring and stop block on the base support plate can be counterclockwise, turn clockwise, the stop screw of scalable length is housed on the stop block, by the spacing angle of determining main axis rotation of stop screw, and then determine that conduction isolation knife assembly (4) divides, fashionable desired final position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707178 CN203103200U (en) | 2012-12-19 | 2012-12-19 | 27.5kV indoor integration electric isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220707178 CN203103200U (en) | 2012-12-19 | 2012-12-19 | 27.5kV indoor integration electric isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103200U true CN203103200U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220707178 Expired - Fee Related CN203103200U (en) | 2012-12-19 | 2012-12-19 | 27.5kV indoor integration electric isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103200U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065856A (en) * | 2012-12-19 | 2013-04-24 | 川铁电气（天津）集团有限公司 | 27.5KV indoor integration electric isolating 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 |
| CN106504935A (en) * | 2016-12-30 | 2017-03-15 | 福开尔（西安）电气有限公司 | Electric isolating switch is used in EMUs high-voltaghe compartment |
-
2012
- 2012-12-19 CN CN 201220707178 patent/CN203103200U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103065856A (en) * | 2012-12-19 | 2013-04-24 | 川铁电气（天津）集团有限公司 | 27.5KV indoor integration electric isolating 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 |
| CN106504935A (en) * | 2016-12-30 | 2017-03-15 | 福开尔（西安）电气有限公司 | Electric isolating switch is used in EMUs high-voltaghe compartment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300300 Tianjin Jinqiao Industrial Park, Dongli, Sichuan railway No. 3 Patentee after: Kawatetsu electrical (Tianjin) Limited by Share Ltd Address before: 300300 Tianjin Jinqiao Industrial Park, Dongli, Sichuan railway No. 3 Patentee before: Chuantie Electric (Tianjin) Group Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20181219 |