CN112420455B - Operating mechanism of automatic change-over switch - Google Patents
Operating mechanism of automatic change-over switch Download PDFInfo
- Publication number
- CN112420455B CN112420455B CN202011257935.XA CN202011257935A CN112420455B CN 112420455 B CN112420455 B CN 112420455B CN 202011257935 A CN202011257935 A CN 202011257935A CN 112420455 B CN112420455 B CN 112420455B
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- groove
- sleeve
- lower extreme
- welding
- spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1081—Modifications for selective or back-up protection; Correlation between feeder and branch circuit breaker
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/066—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems characterised by the use of dynamo-electric machines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacture Of Switches (AREA)
- Electromagnets (AREA)
Abstract
The invention discloses an operating mechanism of an automatic transfer switch, which comprises an installation seat, wherein a shell is fixedly installed at the lower end of the installation seat, a sliding groove is formed in the upper end of the shell, a sliding rod is connected in the sliding groove in a sliding mode, an installation rod is welded at the upper end of the sliding rod, a supporting groove is formed in the installation seat, a pressing plate is welded at the tail end of the installation rod, the pressing plate is sleeved in the supporting groove in a sliding mode, a first spring is arranged in the supporting groove, a supporting plate is welded in the shell, a guide rod is sleeved in the shell in a sliding mode, a stop block is welded at the lower end of the guide rod, a connecting sleeve is fixedly sleeved on the outer side of the upper end of the guide rod, a metal block is fixedly installed at the upper end of the guide rod, an electromagnet is fixedly installed at the lower end of the supporting plate, and the electromagnet is located above the metal block. The invention relates to an operating mechanism of an automatic change-over switch, which has the characteristics of good reliability and capability of carrying out overload protection on a circuit.
Description
Technical Field
The invention belongs to the technical field of change-over switches, and particularly relates to an operating mechanism of an automatic change-over switch.
Background
The automatic transfer switch electric appliance is mainly suitable for an emergency power supply system with rated voltage alternating current not more than 1000V or direct current not more than 1500V, the power supply to a load is interrupted during the period of transferring the power supply, an emergency standby power supply can be provided while a common power supply is generally used in important places needing to be always supplied, such as hospitals, hotels and the like, the common power supply and the standby power supply are connected into a circuit at the same time, and the automatic transfer switch is required to be used, so that when the condition that the standby power supply needs to be switched occurs, the power supply can be automatically switched.
In the prior art, when the operating mechanism of the automatic change-over switch is used, the operating mechanism is generally controlled through motor operation, when a motor is damaged, the device cannot be used, the reliability is poor, and meanwhile, when the device is used for switching a power supply, the circuit is burnt out and damaged due to overlarge circuit load voltage. There is therefore a need for improvements in the prior art.
The invention content is as follows:
the present invention has been made to solve the above problems, and an object of the present invention is to provide an operating mechanism of an automatic transfer switch, which solves the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
the utility model provides an automatic change-over switch's operating mechanism, includes the mount pad, the lower extreme fixed mounting of mount pad has the casing, the spout has been seted up to the upper end of casing, sliding connection has the slide bar in the spout, the upper end welding of slide bar has the installation pole, set up on the mount pad and supported the groove, the terminal welding of installation pole has the clamp plate, it has cup jointed the clamp plate to support the inslot sliding, it is provided with first spring to support the inslot, the casing internal welding has the backup pad, the casing internal sliding cup joints the guide arm, the lower extreme welding of guide arm has the dog, the fixed adapter sleeve that has cup jointed in the upper end outside of guide arm, the upper end fixed mounting of guide arm has the metal block, the lower extreme fixed mounting of backup pad has the electro-magnet, the electro-magnet is located the top of metal block.
Preferably, the outer side of the shell is provided with a convex edge, and the upper end of the convex edge is connected with a mounting seat through a screw.
Preferably, the number of the support grooves is two, the two support grooves are symmetrically distributed in the mounting seat, and first springs are arranged in the two support grooves.
Preferably, one end of the first spring is in contact connection with the mounting seat, and the other end of the first spring is in contact connection with the pressing plate.
Preferably, the lower extreme welding of installation pole has the supporting shoe, the spacing groove has been seted up to the lower extreme of supporting shoe, the supporting shoe has two, two the supporting shoe symmetric distribution is at the lower extreme of installation pole, two the spacing groove has all been seted up to the lower extreme of supporting shoe, the mounting groove has been seted up in the casing, be provided with the second spring in the mounting groove, sliding sleeve has the kicking block in the mounting groove, the mounting groove has two, two the mounting groove symmetric distribution is in the upper end of casing, two equal sliding sleeve has the kicking block in the mounting groove, the kicking block has been cup jointed in the spacing inslot joint, sliding sleeve has the baffle in the mounting groove, the lower extreme welding of baffle has the contact lever, the lower extreme fixed mounting of mounting groove has the contact.
Preferably, the upper end of the second spring is in contact connection with a top block, and the lower end of the second spring is in contact connection with a baffle plate.
As preferred, the lower extreme welding of slide bar has the pinion rack, the upper end contact of pinion rack is connected with the casing, the front end fixed mounting of casing has the motor, the rear end of motor is provided with the pivot, the pivot has been cup jointed in the casing slip, the rear end welding of pivot has the connecting block, square groove has been seted up to the rear end of connecting block, square inslot joint has square piece, the rear end welding of square piece has the gear, the upper end meshing of gear has the pinion rack, the rear end welding of gear has the regulation pole, slide adjusting has the regulation pole in the casing, the rear end welding of adjusting the pole has the handle, the upper end fixed mounting of backup pad supports the cover, it has the regulation pole to slide to cup joint in the support cover.
As preferred, the lower extreme contact of metal block is connected with the adapter sleeve, the outside welding of adapter sleeve has the connecting rod, the terminal welding of connecting rod has the sleeve, the connecting rod has four, four connecting rod evenly distributed is in the outside of adapter sleeve, four the sleeve has all been welded to the end of connecting rod, be provided with the third spring in the sleeve, the upper end of third spring bonds on the sleeve, the lower extreme of third spring bonds and has the roof, sliding sleeve has the limiting plate in the sleeve, the draw-in groove has been seted up to the side of limiting plate, telescopic inside wall is provided with the fixture block, the fixture block has been pegged graft in the draw-in groove, the lower extreme welding of limiting plate has the bracing piece, the lower extreme of bracing piece is fixed on the casing.
The invention has the beneficial effects that: the invention relates to an operating mechanism of an automatic change-over switch, which has the characteristics of good reliability and overload protection on a circuit, and has the following two beneficial effects compared with the traditional operating mechanism of the automatic change-over switch in specific use:
at first, through at pinion rack lower extreme meshing gear, the motor drive pivot is rotated and can be driven the connecting block and rotate, the connecting block rotates and drives the square piece and rotate, the square piece drives gear revolve and then drives the pinion rack and remove and carry out the switch conversion, through adjusting the pole pulling gear, make square piece and square groove break away from, can rotate the regulating lever and rotate the gear, and then drive the pinion rack and remove change over switch, but through automatic control manual control cooperation, make the device use reliability higher.
Secondly, through set up the third spring in the sleeve, the sleeve downstream makes draw-in groove on the limiting plate and the fixture block cooperation in the sleeve fixed the limiting plate, compresses tightly the third spring simultaneously to at guide arm top installation metal block and electro-magnet cooperation, when the circuit transships, circuit current grow makes electro-magnet suction reinforcing, and then adsorbs the metal block rebound, makes the limiting plate break away from in following the sleeve, makes the circuit disconnection, protects the circuit.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of FIG. 1 of the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1 of the present invention;
FIG. 4 is an enlarged view of the invention at B in FIG. 1;
FIG. 5 is an enlarged view of the present invention at C of FIG. 1;
fig. 6 is an enlarged view of the present invention at D in fig. 1.
In the figure: 1. a mounting base; 2. a housing; 3. a convex edge; 4. a chute; 5. a slide bar; 6. mounting a rod; 7. a support groove; 8. pressing a plate; 9. a first spring; 10. a support block; 11. a limiting groove; 12. mounting grooves; 13. a second spring; 14. a top block; 15. a baffle plate; 16. a contact lever; 17. a contact; 18. a toothed plate; 19. a motor; 20. a rotating shaft; 21. connecting blocks; 22. a square groove; 23. a square block; 24. a gear; 25. adjusting a rod; 26. a grip; 27. a support plate; 28. a support sleeve; 29. a guide bar; 30. a stopper; 31. connecting sleeves; 32. a metal block; 33. a connecting rod; 34. a sleeve; 35. a third spring; 36. a top plate; 37. a limiting plate; 38. a card slot; 39. a clamping block; 40. a support bar; 41. an electromagnet.
The specific implementation mode is as follows:
as shown in fig. 1 to 6, the following technical solutions are adopted in the present embodiment:
example (b):
the utility model provides an automatic change-over switch's operating mechanism, includes mount pad 1, the lower extreme fixed mounting of mount pad 1 has casing 2, spout 4 has been seted up to the upper end of casing 2, sliding connection has slide bar 5 in the spout 4, the upper end welding of slide bar 5 has installation pole 6, support groove 7 has been seted up on the mount pad 1, the terminal welding of installation pole 6 has clamp plate 8, it has clamp plate 8 to slide to cup joint in the support groove 7, it is provided with first spring 9 in the groove 7 to support, the welding has backup pad 27 in the casing 2, slide and cup joint guide arm 29 in the casing 2, the lower extreme welding of guide arm 29 has dog 30, the fixed cover in the upper end outside of guide arm 29 has connected 31, the upper end fixed mounting of guide arm 29 has metal block 32, the lower extreme fixed mounting of adapter sleeve 27 has electro-magnet 41, electro-magnet 41 is located the top of metal block 32.
Wherein, the outside of casing 2 is provided with chimb 3, there is mount pad 1 upper end of chimb 3 through screwed connection.
The number of the support grooves 7 is two, the two support grooves 7 are symmetrically distributed in the mounting seat 1, and first springs 9 are arranged in the two support grooves 7.
One end of the first spring 9 is in contact connection with the mounting seat 1, and the other end of the first spring 9 is in contact connection with the pressing plate 8.
The lower end of the installation rod 6 is welded with a supporting block 10, the lower end of the supporting block 10 is provided with a limiting groove 11, the supporting block 10 is provided with two supporting blocks 10 which are symmetrically distributed at the lower end of the installation rod 6, the limiting groove 11 is arranged at the lower end of the supporting block 10, an installation groove 12 is formed in the shell 2, a second spring 13 is arranged in the installation groove 12, a top block 14 is sleeved in the installation groove 12 in a sliding mode, the installation groove 12 is provided with two supporting blocks 12 which are symmetrically distributed at the upper end of the shell 2, the top block 14 is sleeved in the installation groove 12 in a sliding mode, the top block 14 is clamped in the limiting groove 11, a baffle 15 is sleeved in the installation groove 12 in a sliding mode, the lower end of the baffle 15 is welded with a contact rod 16, and the lower end of the installation groove 12 is fixedly provided with a contact 17.
Wherein, the upper end contact of second spring 13 is connected with kicking block 14, the lower extreme contact of second spring 13 is connected with baffle 15.
Wherein, the lower extreme welding of slide bar 5 has pinion rack 18, the upper end contact of pinion rack 18 is connected with casing 2, the front end fixed mounting of casing 2 has motor 19, the rear end of motor 19 is provided with pivot 20, casing 2 slides in and has cup jointed pivot 20, the rear end welding of pivot 20 has connecting block 21, square groove 22 has been seted up to the rear end of connecting block 21, square groove 22 inside callipers has square piece 23, the rear end welding of square piece 23 has gear 24, the upper end meshing of gear 24 has pinion rack 18, the rear end welding of gear 24 has the regulation pole 25, 2 slide adjusting in the casing has regulation pole 25, the rear end welding of adjusting pole 25 has handle 26, the upper end fixed mounting of backup pad 27 has support cover 28, it has cup jointed regulation pole 25 to slide in the support cover 28.
Wherein, the lower extreme contact of metal block 32 is connected with adapter sleeve 31, the outside welding of adapter sleeve 31 has connecting rod 33, the terminal welding of connecting rod 33 has sleeve 34, connecting rod 33 has four, four connecting rod 33 evenly distributed is in the outside of adapter sleeve 31, four sleeve 34 has all been welded at connecting rod 33's end, be provided with third spring 35 in the sleeve 34, the upper end of third spring 35 bonds on sleeve 34, the lower extreme of third spring 35 bonds and has roof 36, sliding sleeve has cup jointed limiting plate 37 in the sleeve 34, draw-in groove 38 has been seted up to limiting plate 37's side, the inside wall of sleeve 34 is provided with fixture block 39, the joint has fixture block 39 in the draw-in groove 38, the lower extreme welding of limiting plate 37 has bracing piece 40, the lower extreme of bracing piece 40 is fixed on casing 2.
The using state of the invention is as follows: when the switch is switched, the gear 24 is meshed at the lower end of the toothed plate 18, the motor 19 drives the rotating shaft 20 to rotate, the rotating shaft 20 rotates to drive the connecting block 21 to rotate, the connecting block 21 rotates to drive the square block 23 to rotate, the square block 23 drives the gear 24 to rotate, the gear 24 is pulled through the adjusting rod 25, the square block 23 is separated from the square groove 22, the adjusting rod 25 can be rotated to rotate the gear 24, the toothed plate 18 is driven to move, the sliding rod 5 is driven to move in the sliding groove 4, the sliding rod 5 drives the mounting rod 6 to move, the mounting rod 6 drives the supporting block 10 to move, the supporting block 10 moves to enable the top block 14 to enter the limiting groove 11, the top block 14 moves downwards, the top block 14 compresses the second spring 13, the contact rod 16 is compressed on the contact 17, the circuit is communicated, the mounting rod 6 moves, the top block 14 can move in the limiting groove 11 to separate from a change-over switch through automatic control, the manual control matching is achieved, the device is higher in use reliability, the third spring 35 is achieved through the arrangement in the sleeve 34, the clamping groove 38 on the limiting plate 37 and the sleeve 34, the limiting block 39 is matched with the metal protective circuit, the limiting plate 32, the electromagnet, the metal protective circuit, and the electromagnet 32 is further, the electromagnet 32 is installed upwards, and the electromagnet is increased when the electromagnet 32 is installed.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (4)
1. An operating mechanism of an automatic transfer switch comprises a mounting seat (1), and is characterized in that: the lower end of the mounting seat (1) is fixedly provided with a shell (2), the upper end of the shell (2) is provided with a sliding groove (4), the sliding groove (4) is internally connected with a sliding rod (5) in a sliding manner, the upper end of the sliding rod (5) is welded with a mounting rod (6), the mounting seat (1) is provided with a supporting groove (7), the tail end of the mounting rod (6) is welded with a pressing plate (8), the supporting groove (7) is internally sleeved with the pressing plate (8) in a sliding manner, a first spring (9) is arranged in the supporting groove (7), a supporting plate (27) is welded in the shell (2), a guide rod (29) is sleeved in the shell (2) in a sliding manner, the lower end of the guide rod (29) is welded with a stop block (30), the outer side of the upper end of the guide rod (29) is fixedly sleeved with a connecting sleeve (31), the upper end of the guide rod (29) is fixedly provided with a metal block (32), the lower end of the supporting plate (27) is fixedly provided with an electromagnet (41), and the electromagnet (41) is positioned above the metal block (32);
a convex edge (3) is arranged on the outer side of the shell (2), and the upper end of the convex edge (3) is connected with a mounting seat (1) through a screw;
the number of the support grooves (7) is two, the two support grooves (7) are symmetrically distributed in the mounting seat (1), and first springs (9) are arranged in the two support grooves (7);
one end of the first spring (9) is in contact connection with the mounting seat (1), and the other end of the first spring (9) is in contact connection with the pressing plate (8);
the lower extreme welding of installation pole (6) has supporting shoe (10), spacing groove (11) have been seted up to the lower extreme of supporting shoe (10), supporting shoe (10) has two, two supporting shoe (10) symmetric distribution is at the lower extreme of installation pole (6), two spacing groove (11) have all been seted up to the lower extreme of supporting shoe (10), mounting groove (12) have been seted up in casing (2), be provided with second spring (13) in mounting groove (12), sliding sleeve has kicking block (14) in mounting groove (12), mounting groove (12) have two, two mounting groove (12) symmetric distribution is in the upper end of casing (2), two equal sliding sleeve has kicking block (14) in mounting groove (12), spacing groove (11) inside callipers have kicking block (14), sliding sleeve has baffle (15) in mounting groove (12), the lower extreme welding of baffle (15) has contact lever (16), the lower extreme fixed mounting of mounting groove (12) has contact (17).
2. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the upper end of the second spring (13) is in contact connection with an ejector block (14), and the lower end of the second spring (13) is in contact connection with a baffle (15).
3. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the lower extreme welding of slide bar (5) has pinion rack (18), the upper end contact of pinion rack (18) is connected with casing (2), the front end fixed mounting of casing (2) has motor (19), the rear end of motor (19) is provided with pivot (20), casing (2) interior sliding sleeve has pivot (20), the rear end welding of pivot (20) has connecting block (21), square groove (22) have been seted up to the rear end of connecting block (21), square groove (22) inside callipers have square piece (23), the rear end welding of square piece (23) has gear (24), the upper end meshing of gear (24) has pinion rack (18), the rear end welding of gear (24) has regulation pole (25), the interior sliding adjustment of casing (2) has regulation pole (25), the rear end welding of regulation pole (25) has handle (26), the upper end fixed mounting of backup pad (27) has support cover (28), the interior sliding sleeve of support cover (28) has regulation pole (25).
4. The operating mechanism of an automatic transfer switch according to claim 1, wherein: the lower extreme contact of metal block (32) is connected with adapter sleeve (31), the outside welding of adapter sleeve (31) has connecting rod (33), the terminal welding of connecting rod (33) has sleeve (34), connecting rod (33) has four, four connecting rod (33) evenly distributed is in the outside of adapter sleeve (31), four sleeve (34) have all been welded to the end of connecting rod (33), be provided with third spring (35) in sleeve (34), the upper end of third spring (35) bonds on sleeve (34), the lower extreme bonding of third spring (35) has roof (36), limiting plate (37) have been slided and has been cup jointed in sleeve (34), draw-in groove (38) have been seted up to the side of limiting plate (37), the inside wall of sleeve (34) is provided with fixture block (39), fixture block (39) have been cup jointed in draw-in groove (38), the lower extreme welding of limiting plate (37) has bracing piece (40), the lower extreme welding of bracing piece (40) is fixed on casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257935.XA CN112420455B (en) | 2020-11-12 | 2020-11-12 | Operating mechanism of automatic change-over switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011257935.XA CN112420455B (en) | 2020-11-12 | 2020-11-12 | Operating mechanism of automatic change-over switch |
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| CN112420455A CN112420455A (en) | 2021-02-26 |
| CN112420455B true CN112420455B (en) | 2023-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011257935.XA Active CN112420455B (en) | 2020-11-12 | 2020-11-12 | Operating mechanism of automatic change-over switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114597090A (en) * | 2022-03-21 | 2022-06-07 | 浙江江山森源电器有限公司 | One-machine sequentially driven multi-shaft rotary electric mechanism |
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| CN208061896U (en) * | 2018-03-21 | 2018-11-06 | 刘荣华 | A kind of contact apparatus of device for switching |
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| CN205211618U (en) * | 2015-11-26 | 2016-05-04 | 国网福建省电力有限公司 | Two switching of power mechanisms of high pressure |
| CN107731578A (en) * | 2017-12-01 | 2018-02-23 | 江苏创能电器有限公司 | A kind of automatic change-over |
| CN108923523A (en) * | 2018-07-01 | 2018-11-30 | 河南太能电气股份有限公司 | A kind of communication power supply automatic cut in device |
| CN209461322U (en) * | 2018-09-18 | 2019-10-01 | 江苏安控电气有限公司 | A kind of fire pump double power-supply automatic transferring control switch |
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| CN110005256A (en) * | 2019-05-22 | 2019-07-12 | 王小康 | Electrodynamic type is opened flat the electric and hand Handle for window sash lock of sliding door and window |
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| Publication number | Publication date |
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| CN112420455A (en) | 2021-02-26 |
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