CN114496605B - Breaker switch of normal pressure sealed ring main unit - Google Patents
Breaker switch of normal pressure sealed ring main unit Download PDFInfo
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- CN114496605B CN114496605B CN202210174816.0A CN202210174816A CN114496605B CN 114496605 B CN114496605 B CN 114496605B CN 202210174816 A CN202210174816 A CN 202210174816A CN 114496605 B CN114496605 B CN 114496605B
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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
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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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
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
- H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/16—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to the technical field of switch cabinets, in particular to a normal-pressure sealed ring main unit breaker switch which comprises an insulating breaker mechanism, an insulating breaker switch and an isolation indicating mechanism.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a normal pressure sealed ring main unit breaker switch.
Background
Along with the rapid development of the scale and economy of urban construction in China, higher requirements on the reliability, environmental protection and intelligence of the power distribution network are provided. The prior switch cabinet in China is mainly divided into an air insulation ring main unit, an SF6 gas insulation ring main unit, a solid insulation ring main unit and an environment-friendly gas insulation ring main unit. The ring main unit is an electrical device adopting high-voltage switch equipment to form a spaced ring power supply unit, is mainly applied to power distribution stations or box-type substations of public buildings, industrial and mining enterprises and residential communities, and is used for outwards distributing electric energy which is transmitted to a main line by a power supply through a high-voltage switch, is an important switch device for ring power supply and terminal power supply, and the short-circuit breaking capacity of the electric power distribution device reaches the level of the switch cabinet.
The circuit breaker in the prior art has poor insulation effect, and is easy to cause electric leakage and electric shock accidents; meanwhile, the insulation circuit breaker is complex in structure and cannot finish stable insulation isolation.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide a normal-pressure sealed ring main unit breaker switch.
In order to achieve the above purpose, the present invention provides the following technical solutions: a breaker switch of a normal pressure sealed ring main unit comprises an insulation breaker mechanism, an insulation breaker switch and an isolation indicating mechanism,
the insulation breaker mechanism comprises a mounting plate, a first device plate and a second device plate are vertically arranged on the mounting plate respectively, a transmission main shaft is arranged above the first device plate and the second device plate, the bottom of the transmission main shaft is connected with a switching-on and switching-off transmission device, the switching-on and switching-off transmission device is connected with a buckle plate device, the bottom of the buckle plate device is connected with a switching-on transmission main shaft, and one end of the switching-on transmission main shaft penetrating through the first device plate is connected with a switching-off transmission device; the energy storage and speed reduction device is connected to the closing transmission main shaft, an energy storage crank arm is connected to the energy storage and speed reduction device, an energy storage spring is connected to one end of the energy storage crank arm, an electric transmission device is connected to the bottom of the energy storage and speed reduction device, and a brake opening button and a brake closing button are arranged on one side of the first device plate;
the insulation breaker switch comprises a fixed plate, wherein a plurality of switching-on and switching-off linkage devices are connected to the fixed plate, the bottom of any switching-on and switching-off linkage device is connected with a conductive device, the bottom of the conductive device is connected with a vacuum arc extinguishing assembly, the bottom of the vacuum arc extinguishing assembly is connected with a contact transmission device, the side wall of the contact transmission device is connected with a contact insulation fixing device, the bottom of the contact transmission device is connected with a contact voltage equalizing switch, and the contact voltage equalizing switch is connected with a wire inlet terminal; the side walls of the on-off linkage devices at two ends are respectively connected with an insulating partition board, the outer side walls of the two insulating partition boards are respectively connected with a fixing device, and an isolation frame is connected between the lower parts of the two fixing devices; the lower part of the inner side of the isolation frame is connected with a grounding device; the contact insulation fixing device is positioned at the inner side of the isolation frame, and the incoming line terminal extends to the lower part of the isolation frame; one end of the isolation frame is provided with a positioning piece respectively; a disconnecting switch transmission interface is arranged on the side wall of one end of the fixing device; one end of the fixing device, provided with a circuit breaker transmission interface, is connected with a switch fixing plate;
the isolating indication mechanism comprises a bottom plate, a main switch transmission mechanism, a ground blade transmission mechanism and a mechanism combination indicating device, wherein the main switch transmission mechanism comprises a main switch main shaft, a main switch shifting piece, a main switch spring device and a first fixed column, the main switch main shaft is rotatably installed on the bottom plate, the main switch shifting piece and the main switch spring device are all installed on the main switch main shaft, the first fixed column is installed on the bottom plate, a spring pressure transmission end of the main switch spring device is rotationally connected with a fixed column, the ground blade transmission mechanism comprises a ground blade main shaft, a ground blade shifting piece, a ground blade spring device and a second fixed column, the ground blade main shaft is rotatably installed on the bottom plate, the ground blade shifting piece and the ground blade spring device are all installed on the ground blade main shaft, the second fixed column is installed on the bottom plate, the spring pressure transmission end of the ground blade spring device is rotationally connected with the second fixed column, the indicating device comprises a transmission shaft, an indicating plate and a plate, the transmission shaft is rotatably installed on the bottom plate, the indicating plate is installed on the end of the transmission shaft, which is far away from the bottom plate, is installed on the bottom plate, is close to the corresponding to the two connecting rods, and is provided with the two connecting rods, and is respectively connected with the two connecting rods, and is arranged in the arc-shaped groove.
The transmission main shaft is connected with the switch transmission interface, and the rotating shaft of the mechanism closing and opening indicating device is connected with the rotating shaft of the contact transmission device.
Preferably, the first device plate and the second device plate are arranged in parallel, and the energy storage and deceleration device is located at an intermediate position of the first device plate and the second device plate.
Preferably, two ends of the energy storage speed reducing device are respectively connected with energy storage crank arms, and the tail end of any energy storage crank arm is respectively connected with an energy storage spring.
Preferably, the two energy storage crank arms penetrate through the first device plate and the second device plate respectively to be fixed and connected with the energy storage speed reducing device, and the two energy storage crank arms are symmetrically arranged.
Preferably, the electric drive is fixed to a side wall of the second device plate.
Preferably, an energy storage manual button is arranged below the closing button.
Preferably, the energy storage manual button is arranged on the side wall of the first device plate and is connected with the electric transmission device.
Preferably, the main switch spring device comprises a first fixed plate, a second fixed plate, a connecting shaft and a spring mechanism, wherein the first fixed plate and the second fixed plate are both arranged on the main switch main shaft, a gap is arranged between the first fixed plate and the second fixed plate, the connecting shaft is fixedly arranged in the gap between the first fixed plate and the second fixed plate, one end of the spring mechanism is rotationally connected with the connecting shaft, and the other end of the spring mechanism is rotationally connected with the fixed column.
Preferably, the spring mechanism comprises a compression bar, a sliding cylinder and a spring, one end of the compression bar is slidably mounted in the sliding cylinder, the spring is arranged in the sliding cylinder, one end of the spring is in butt joint with the bottom of the sliding cylinder, the other end of the spring is in butt joint with one end of the compression bar extending into the sliding cylinder, one end of the compression bar, which is far away from the sliding cylinder, is rotationally connected with the connecting shaft, the sliding cylinder, which is far away from the compression bar, is rotationally connected with the fixed column, and the main switch spring device and the ground knife spring device are the same spring structure unit.
Preferably, the normal pressure sealed ring main unit breaker switch further comprises a cover plate, the bottom plate is matched with the cover plate, a plurality of support columns are arranged on the bottom plate, the cover plate is fixedly connected with the support columns, the main switch transmission mechanism and the ground knife transmission mechanism are arranged between the bottom plate and the cover plate, the upper ends of the main switch main shaft and the ground knife main shaft are rotationally connected with the cover plate, the upper ends of the transmission shafts extend out of the cover plate, and the indication plate is arranged on the main shaft and located outside the cover plate.
Compared with the prior art, the invention has the beneficial effects that:
the energy storage speed reducer consists of a plurality of gears and a rotating shaft, the rotation of the gears of the energy storage speed reducer drives the energy storage crank arm to rotate, so that the damage to the spring caused by the instantaneous release of elasticity or stretching of the spring at the moment of opening and closing of the circuit breaker can be prevented, the service life of the circuit breaker is further influenced, the gear is used for transmission, the spring does not bear instantaneous larger pressure in the stretching and shrinking process, the service life of the spring is further greatly prolonged, and the service life of the circuit breaker is prolonged;
the two ends of the energy storage speed reducing device are respectively connected with energy storage crank arms through a rotating shaft and the two energy storage crank arms are symmetrically arranged, and the energy storage crank arms and the springs are respectively arranged at the two ends of the energy storage speed reducing device, so that the stress at the two ends of the energy storage speed reducing device is balanced, the service life of the equipment is greatly prolonged, and meanwhile, the performance of the equipment is greatly improved through the two energy storage devices;
when the automatic button fails, the opening and closing of the circuit breaker can be completed through the energy storage manual button;
the contact insulation fixing device, the contact transmission device and the contact voltage equalizing switch are all positioned on the inner side of the isolation frame, so that contact with other devices is avoided, and the insulation effect is greatly improved; the components such as the switching-on and switching-off linkage device, the conductive device, the vacuum arc extinguishing assembly and the like are isolated from the fixed frame through the insulating partition plate, so that the contact between the components and external parts is avoided, and the insulating effect of the circuit breaker is improved; one end of the fixing device is connected with a switch fixing plate, the connection strength of the circuit breaker and other equipment is enhanced through the switch fixing plate, and the stability of the equipment is improved;
through the cooperation between main switch drive mechanism, ground sword drive mechanism and the mechanism closes and divides indicating device, realized the insulating cooperation of mechanism, improved the effect of safe power consumption.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
in fig. 1: 1. an insulating circuit breaker mechanism; 2. an insulating circuit breaker switch; 3. an isolation indication mechanism;
fig. 2 is a schematic structural view of an insulating breaker switch of the present invention;
fig. 3 is a bottom view of one side of the insulating breaker switch of the present invention;
fig. 4 is a bottom view of the other side of the insulating breaker switch of the present invention;
in fig. 2-4: 1. a fixing plate; 2. a switching-on and switching-off linkage device; 3. a conductive device; 4. a vacuum arc extinguishing assembly; 5. a contact insulation fixing device; 6. a contact drive; 7. contact equalizing switch; 8. a wire inlet terminal; 9. an insulating separator; 10. a fixing device; 11. an isolation frame; 12. a grounding device; 13. a positioning piece; 14. a circuit breaker transmission interface; 16. a switch fixing plate;
fig. 5 is a schematic structural view of an insulating circuit breaker mechanism of the present invention;
fig. 6 is a front view of the insulating circuit breaker mechanism of the present invention;
in fig. 5-6: 1. a mounting plate; 2. a first device board; 3. a second device board; 4. a transmission main shaft; 5. a switching-on and switching-off transmission device; 6. a buckle plate device; 7. a closing transmission main shaft; 8. a brake separating transmission device; 9. an energy storage and speed reduction device; 10. an energy storage crank arm; 11. an energy storage spring; 12. an electric transmission device; 13. a brake release button; 14. a closing button; 15. an energy storage manual button;
FIG. 7 is a schematic diagram of an isolation indicating mechanism according to the present invention;
FIG. 8 is a schematic view of the isolation indicator of the present invention with the cover plate removed;
FIG. 9 is a front view of the structure of FIG. 8;
FIG. 10 is a bottom view of the structure of FIG. 8;
in fig. 7-10: 1. a support column; 2. a main switch spring means; 3. a main switch main shaft; 4. a spring mechanism; 5. a main switch pulling piece; 6. a bottom plate; 7. a ground cutter main shaft; 8. a ground knife spring device; 9. a ground knife pulling piece; 10. an indication board; 11. a transmission shaft; 12. fixing the first column; 13. fixing the second column; 14. a compression bar; 15. a slide cylinder; 16. and a cover plate.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a sealed looped netowrk cabinet circuit breaker switch of ordinary pressure, includes insulating circuit breaker mechanism, insulating circuit breaker switch and isolation indicating mechanism, transmission main shaft on the insulating circuit breaker mechanism is connected with insulating circuit breaker switch's switch transmission interface, mechanism closes the pivot of opening indicating device and is connected with insulating circuit breaker switch minute contact transmission's pivot.
As shown in fig. 5-6, the insulating breaker mechanism comprises a mounting plate, wherein a first device plate and a second device plate are fixedly connected to the mounting plate respectively, and the first device plate and the second device plate are arranged vertically to the mounting plate respectively; a transmission main shaft is arranged above the first device plate and the second device plate, the transmission main shaft is fixedly connected with the mounting plate through a bracket on the outer side, the bottom of the transmission main shaft is rotationally connected with a switching-on and switching-off transmission device, a buckle plate device is connected to the switching-on and switching-off transmission device, the bottom of the buckle plate device is connected with a switching-on transmission main shaft, one end of the switching-on transmission main shaft penetrates through the first device plate, one end penetrating through the first device plate is connected with a switching-off transmission device, and the switching-off transmission device is fixedly fixed on the mounting plate;
the energy storage speed reducer is connected to the closing transmission main shaft and consists of a plurality of gears and a rotating shaft, the energy storage speed reducer is arranged between the first device plate and the second device plate, the energy storage crank arm is driven to rotate through the rotation of the plurality of gears of the energy storage speed reducer, the damage to the spring caused by the instant elastic force release or the instant stretching of the spring at the moment when the circuit breaker is opened and closed can be prevented, the service life of the spring is further influenced, the spring does not bear instant large pressure in the stretching and shrinking process through the transmission of the gears, the service life of the spring is further greatly prolonged, and the service life of the circuit breaker is prolonged; the energy storage speed reducer is connected with an energy storage crank arm through a rotating shaft, an energy storage spring is connected to one end of the energy storage crank arm, the bottom of the energy storage speed reducer is connected with an electric transmission device through the rotating shaft, the electric transmission device can drive the energy storage speed reducer to rotate through instructions of a controller, and then the energy storage crank arm is driven to rotate, so that compression and extension of the spring are driven, opening and closing of the circuit breaker are achieved, one side of a first device plate is connected with a brake opening button and a brake closing button, the brake opening button and the brake closing button are respectively connected to the controller, and a user can open and close the circuit breaker by pressing the brake opening button and the brake closing button.
In this embodiment, the first device plate and the second device plate are disposed in parallel, and the energy storage and deceleration device is located at an intermediate position of the first device plate and the second device plate.
Specifically, the both ends of energy storage decelerator are connected with the energy storage crank arm respectively through the pivot, and the end of arbitrary energy storage crank arm is connected with energy storage spring respectively, and two energy storage crank arms run through first device board and second respectively fixedly and are connected with energy storage decelerator, and two energy storage crank arm symmetry sets up, installs energy storage crank arm and spring respectively through energy storage decelerator's both ends to make energy storage accelerator both ends atress balanced, and then improve the life of equipment greatly, improve the performance of equipment greatly through two energy storage devices simultaneously.
Further, the electric actuator is fixed to a side wall of the second device plate.
Specifically, an energy storage manual button is arranged below the closing button, is arranged on the side wall of the first device plate, is connected with the electric transmission device and the energy storage speed reducing device, and can be used for completing the opening and closing of the circuit breaker when the automatic button fails;
as shown in fig. 2-4, the insulating breaker switch comprises a fixed plate, a plurality of switching-on and switching-off linkage devices are fixedly connected to the fixed plate, a conductive device is connected to the bottom of any switching-on and switching-off linkage device, a vacuum arc extinguishing component is connected to the bottom of the conductive device, a contact transmission device is connected to the bottom of the vacuum arc extinguishing component, the side wall of the contact transmission device is connected with one end of the contact insulating fixing device, the other end of the contact insulating fixing device is connected with an isolation frame, a contact voltage-sharing switch is connected to the bottom of the contact transmission device, a wire inlet terminal is connected to the contact voltage-sharing switch, and the contact insulating fixing device, the contact transmission device and the contact voltage-sharing switch are located on the inner side of the isolation frame, so that contact with other devices is avoided, and the insulating effect is greatly improved;
the side walls of the on-off linkage devices at two ends are respectively connected with an insulating partition board, the outer side walls of the two insulating partition boards are respectively connected with a fixing device, the two fixing frames are respectively fixedly connected with a fixing plate, the on-off linkage devices, the conductive devices, the vacuum arc extinguishing assemblies and other components are isolated from the fixing frames through the insulating partition boards, and an isolation frame is connected between the lower parts of the two fixing devices; the lower part of the inner side of the isolation frame is connected with a grounding device.
In this embodiment, the contact insulation fixing device is located inside the isolation frame, and the incoming line terminal extends to the lower portion of the isolation frame, so that the incoming line terminal is convenient to connect with external components.
Specifically, the one end of isolation frame is provided with the setting element respectively, makes things convenient for the components and parts of circuit breaker to fix a position through the setting element.
In this embodiment, be provided with circuit breaker transmission interface on the fixing device one end lateral wall, be connected with the connecting axle on the circuit breaker transmission interface, the connecting axle is connected a plurality of break-in and break-out aggregate units to make things convenient for a plurality of break-in and break-out aggregate units to rotate in step.
Further, one end of the fixing device, provided with the circuit breaker transmission interface, is connected with a switch fixing plate, and the connection strength of the circuit breaker and other equipment is enhanced through the switch fixing plate, so that the stability of the equipment is improved;
as shown in fig. 7-10, the isolation indicating mechanism comprises a bottom plate, a main switch transmission mechanism, a ground blade transmission mechanism and a mechanism combination indicating device, wherein the main switch transmission mechanism comprises a main switch main shaft, a main switch shifting piece, a main switch spring device and a first fixed column, the main switch main shaft is rotatably installed on the bottom plate, the main switch shifting piece and the main switch spring device are all installed on the main switch main shaft, the first fixed column is installed on the bottom plate, a spring pressure transmission end of the main switch spring device is rotationally connected with the fixed column, the ground blade transmission mechanism comprises a ground blade main shaft, a ground blade shifting piece, a ground blade spring device and a second fixed column, the ground blade main shaft is rotatably installed on the bottom plate, the ground blade shifting piece and the ground blade spring device are all installed on the ground blade main shaft, the second fixed column is installed on the bottom plate, the spring pressure transmission end of the ground blade spring device is rotationally connected with the second fixed column, the mechanism combination indicating device comprises a transmission shaft, an indicating plate and a plate, the transmission shaft is rotatably installed on the bottom plate, the first indicating plate is installed on the transmission shaft, the first end of the indicating plate is far away from the bottom plate, is correspondingly installed on the bottom plate and is provided with the connecting rod and is respectively connected with the two connecting rods, and is provided with one end of the connecting rod and the two connecting rods are respectively connected with the two connecting rods.
In actual use, install the linkage board in the bottom plate dorsal part, main switch drive mechanism, ground sword drive mechanism and mechanism close and divide indicating device all in the linkage board connection cooperation, the center of linkage board and mechanism close and divide indicating device's pivot to be connected, the one end and the main switch drive mechanism of linkage board are connected, the other end and the ground sword drive mechanism of linkage board are connected, when main switch drive mechanism or ground sword drive mechanism act, can drive the linkage board and rotate for the rotation of linkage board drives main switch drive mechanism or ground sword drive mechanism action, and the linkage board can drive mechanism close simultaneously and divide indicating device to rotate, and realize switch state indication.
The main switch spring device comprises a first fixed plate, a second fixed plate, a connecting shaft and a spring mechanism, wherein the first fixed plate and the second fixed plate are both arranged on the main switch main shaft, a gap is formed between the first fixed plate and the second fixed plate, the connecting shaft is fixedly arranged in the gap between the first fixed plate and the second fixed plate, one end of the spring mechanism is rotationally connected with the connecting shaft, and the other end of the spring mechanism is rotationally connected with the fixed column.
The spring mechanism comprises a compression bar, a sliding cylinder and a spring, one end of the compression bar is slidably mounted in the sliding cylinder, the spring is arranged in the sliding cylinder, one end of the spring is in butt joint with the bottom of the sliding cylinder, the other end of the spring is in butt joint with one end of the compression bar extending into the sliding cylinder, one end of the compression bar, which is far away from the sliding cylinder, is rotationally connected with a connecting shaft, the sliding cylinder is far away from the compression bar, and is rotationally connected with a fixed column, and the main switch spring device and the ground knife spring device are identical spring structural units.
Through the setting of spring assembly for energy storage mechanism, when the switch is closed, main switch plectrum compresses tightly the energy storage to main switch spring assembly, ground sword plectrum compresses tightly the energy storage to ground sword spring assembly, after closing, the intercommunication state all appears in main switch and ground sword switch, in order to realize that after the switch is linked together, spring assembly is energy storage all the time, after the load side breaks down, load side pivot action in the twinkling of an eye, action force transmission arrives main switch main shaft or ground sword main shaft department, the linkage of switch linkage board, make main switch plectrum and ground sword plectrum appear the swing, the spring assembly of energy storage state releases elastic force in the twinkling of an eye, and promote main switch plectrum and ground sword plectrum with corresponding main shaft or ground sword main shaft rotation, and it closes indicating device's pivot rotation through linkage board driving mechanism and closes the change of dividing indicating device, reach switch automatic protect function.
The normal pressure sealed ring main unit breaker switch further comprises a cover plate, the bottom plate is matched with the cover plate, a plurality of supporting columns are arranged on the bottom plate, the cover plate is fixedly connected with the cover plate through the supporting columns, the main switch transmission mechanism and the ground knife transmission mechanism are arranged between the bottom plate and the cover plate, the upper ends of the main switch main shaft and the ground knife main shaft are rotationally connected with the cover plate, the upper ends of the transmission shafts extend out of the cover plate, and the indication plate is arranged on the main shaft and located outside the cover plate.
The states of energy storage, closing, opening and the like of the rotating device are realized through transmission structures such as a main switch main shaft, a main switch pulling sheet, a main switch spring device, a ground knife main shaft, a ground knife pulling sheet, a ground knife spring device, a mechanism closing and opening indicating device and the like; the transmission structure is simple, the transmission effect is good, the complexity of mechanism coordination is reduced, and the operation reliability of the whole mechanism is improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a normal pressure seals looped netowrk cabinet circuit breaker switch which characterized in that: comprises an insulating breaker mechanism, an insulating breaker switch and an isolation indicating mechanism,
the insulation breaker mechanism comprises a mounting plate, a first device plate and a second device plate are vertically arranged on the mounting plate respectively, a transmission main shaft is arranged above the first device plate and the second device plate, the bottom of the transmission main shaft is connected with a switching-on and switching-off transmission device, the switching-on and switching-off transmission device is connected with a buckle plate device, the bottom of the buckle plate device is connected with a switching-on transmission main shaft, and one end of the switching-on transmission main shaft penetrating through the first device plate is connected with a switching-off transmission device; the energy storage and speed reduction device is connected to the closing transmission main shaft, an energy storage crank arm is connected to the energy storage and speed reduction device, an energy storage spring is connected to one end of the energy storage crank arm, an electric transmission device is connected to the bottom of the energy storage and speed reduction device, and a brake opening button and a brake closing button are arranged on one side of the first device plate;
the insulation breaker switch comprises a fixed plate, wherein a plurality of switching-on and switching-off linkage devices are connected to the fixed plate, the bottom of any switching-on and switching-off linkage device is connected with a conductive device, the bottom of the conductive device is connected with a vacuum arc extinguishing assembly, the bottom of the vacuum arc extinguishing assembly is connected with a contact transmission device, the side wall of the contact transmission device is connected with a contact insulation fixing device, the bottom of the contact transmission device is connected with a contact voltage equalizing switch, and the contact voltage equalizing switch is connected with a wire inlet terminal; the side walls of the on-off linkage devices at two ends are respectively connected with an insulating partition board, the outer side walls of the two insulating partition boards are respectively connected with a fixing device, and an isolation frame is connected between the lower parts of the two fixing devices; the lower part of the inner side of the isolation frame is connected with a grounding device; the contact insulation fixing device is positioned at the inner side of the isolation frame, and the incoming line terminal extends to the lower part of the isolation frame; one end of the isolation frame is provided with a positioning piece respectively; a disconnecting switch transmission interface is arranged on the side wall of one end of the fixing device; one end of the fixing device, provided with a circuit breaker transmission interface, is connected with a switch fixing plate;
the isolating indication mechanism comprises a bottom plate, a main switch transmission mechanism, a ground blade transmission mechanism and a mechanism closing and opening indication device, wherein the main switch transmission mechanism is arranged on the bottom plate and comprises a main switch main shaft, a main switch shifting piece, a main switch spring device and a first fixed column, the main switch main shaft is rotatably arranged on the bottom plate, the main switch shifting piece and the main switch spring device are both arranged on the main switch main shaft, the first fixed column is arranged on the bottom plate, a spring pressure transmission end of the main switch spring device is rotatably connected with a first fixed column, the ground blade transmission mechanism comprises a ground blade main shaft, a ground blade shifting piece, a ground blade spring device and a second fixed column, the ground blade main shaft is rotatably arranged on the bottom plate, the ground blade shifting piece and the ground blade spring device are both arranged on the ground blade main shaft, the spring pressure transmission end of the ground blade spring device is rotatably connected with the second fixed column, the mechanism closing indication device comprises a transmission shaft, an indication plate and a plate, the transmission shaft is rotatably arranged on the bottom plate, the indication plate is arranged on the end of the transmission shaft, which is far away from the bottom plate, is arranged on the bottom plate, is correspondingly provided with a connecting rod and is connected with the two connecting rods, and is respectively arranged in the arc-shaped groove, and is respectively connected with the two connecting rods, and is arranged on the two connecting rods, and is correspondingly connected with the ground blade shifting piece;
the transmission main shaft is connected with the switch transmission interface, and the rotating shaft of the mechanism closing and opening indicating device is connected with the rotating shaft of the contact transmission device.
2. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: the first device plate and the second device plate are arranged in parallel, and the energy storage and speed reduction device is positioned at the middle position of the first device plate and the second device plate.
3. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: the two ends of the energy storage speed reducing device are respectively connected with energy storage crank arms, and the tail end of any energy storage crank arm is respectively connected with an energy storage spring.
4. A normal pressure sealed ring main unit circuit breaker switch according to claim 3, wherein: the two energy storage crank arms penetrate through the first device plate and the second device plate respectively and are fixedly connected with the energy storage speed reducing device, and the two energy storage crank arms are symmetrically arranged.
5. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: the electric drive is fixed to a side wall of the second device plate.
6. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: an energy storage manual button is arranged below the closing button.
7. The atmospheric sealed ring main unit circuit breaker switch of claim 6, wherein: the energy storage manual button is arranged on the side wall of the first device plate and is connected with the electric transmission device.
8. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: the main switch spring device comprises a first fixed plate, a second fixed plate, a connecting shaft and a spring mechanism, wherein the first fixed plate and the second fixed plate are both arranged on the main switch main shaft, a gap is formed between the first fixed plate and the second fixed plate, the connecting shaft is fixedly arranged in the gap between the first fixed plate and the second fixed plate, one end of the spring mechanism is rotationally connected with the connecting shaft, and the other end of the spring mechanism is rotationally connected with the fixed column.
9. The atmospheric sealed ring main unit circuit breaker switch of claim 8, wherein: the spring mechanism comprises a compression bar, a sliding cylinder and a spring, one end of the compression bar is slidably mounted in the sliding cylinder, the spring is arranged in the sliding cylinder, one end of the spring is in butt joint with the bottom of the sliding cylinder, the other end of the spring is in butt joint with one end of the compression bar extending into the sliding cylinder, one end of the compression bar, which is far away from the sliding cylinder, is rotationally connected with a connecting shaft, the sliding cylinder is far away from the compression bar, and is rotationally connected with a fixed column, and the main switch spring device and the ground knife spring device are identical spring structural units.
10. The atmospheric sealed ring main unit circuit breaker switch of claim 1, wherein: the main switch main shaft and the ground sword main shaft are connected with the cover plate in a rotating way, the upper end of the transmission shaft extends out of the cover plate, and the indication plate is arranged on the main shaft and located outside the cover plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210174816.0A CN114496605B (en) | 2022-02-25 | 2022-02-25 | Breaker switch of normal pressure sealed ring main unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210174816.0A CN114496605B (en) | 2022-02-25 | 2022-02-25 | Breaker switch of normal pressure sealed ring main unit |
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| CN114496605A CN114496605A (en) | 2022-05-13 |
| CN114496605B true CN114496605B (en) | 2023-09-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115547712B (en) * | 2022-12-01 | 2023-02-21 | 宁波天安智能电网科技股份有限公司 | Jointly-driven operating mechanism and isolation combined type circuit breaker |
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