CN114496605A - Circuit breaker switch of constant-voltage sealed ring main unit - Google Patents
Circuit breaker switch of constant-voltage sealed ring main unit Download PDFInfo
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- CN114496605A CN114496605A CN202210174816.0A CN202210174816A CN114496605A CN 114496605 A CN114496605 A CN 114496605A CN 202210174816 A CN202210174816 A CN 202210174816A CN 114496605 A CN114496605 A CN 114496605A
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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 sealing ring net cabinet breaker switch which comprises an insulating breaker mechanism, an insulating breaker switch and an isolation indication mechanism.
Description
Technical Field
The invention relates to the technical field of switch cabinets, in particular to a circuit breaker switch of a normal-pressure sealing ring net cabinet.
Background
With the rapid development of the scale and economy of urban construction in China, higher requirements on the reliability, environmental protection and intellectualization of the power distribution network are provided. At present, domestic existing switch cabinets are mainly divided into air insulation ring main units, SF6 gas insulation ring main units, solid insulation ring main units and environment-friendly gas insulation ring main units. The ring main unit is an electrical device which adopts high-voltage switch equipment to form a spaced ring network power supply unit, is mainly applied to a distribution station or a box-type substation of public buildings, industrial and mining enterprises and residential districts, distributes electric energy transmitted from a power supply to a trunk line to the outside through the high-voltage switch, is important switch equipment for ring network power supply and terminal power supply, and has short-circuit breaking capacity reaching 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 insulated circuit breaker is complex in structure and cannot achieve stable insulation isolation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a normal-pressure sealing ring net cabinet breaker switch.
In order to achieve the purpose, the invention provides the following technical scheme: a normal pressure seal ring net cabinet breaker switch comprises an insulation breaker mechanism, an insulation breaker switch and an isolation indication mechanism,
the insulating circuit breaker mechanism comprises a mounting plate, a first device plate and a second device plate are respectively and vertically arranged on the mounting plate, 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/off transmission device, a buckle plate device is connected onto the switching-on/off transmission 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 speed reducer is connected to the closing transmission main shaft, an energy storage connecting lever is connected to the energy storage speed reducer, an energy storage spring is connected to one end of the energy storage connecting lever, an electric transmission device is connected to the bottom of the energy storage speed reducer, and a closing button and a separating button are arranged on one side of the first device plate;
the insulating circuit 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 insulating and fixing device, the bottom of the contact transmission device is connected with a contact voltage-sharing switch, and the contact voltage-sharing switch is connected with a wire inlet terminal; the side walls of the switching-on and switching-off linkage devices at two ends are respectively connected with an insulating partition plate, the outer side walls of the two insulating partition plates 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 on the inner side of the isolation frame, and the wire inlet terminal extends to the lower part of the isolation frame; one end of the isolation frame is respectively provided with a positioning piece; a cut-off switch transmission interface is arranged on the side wall of one end of the fixing device; one end of the fixing device, which is provided with the transmission interface of the circuit breaker, is connected with a switch fixing plate;
the isolation indicating mechanism comprises a bottom plate, a main switch transmission mechanism, a ground cutter transmission mechanism and a mechanism switching indicating device, wherein the main switch transmission mechanism is arranged on the bottom plate and comprises a main switch main shaft, a main switch plectrum, a main switch spring device and a first fixing column, the main switch main shaft is rotatably arranged on the bottom plate, the main switch plectrum and the main switch spring device are both arranged on the main switch main shaft, the first fixing column is arranged on the bottom plate, a spring pressing transmission end of the main switch spring device is rotatably connected with the first fixing column, the ground cutter transmission mechanism comprises a ground cutter main shaft, a ground cutter plectrum, a ground cutter spring device and a second fixing column, the ground cutter main shaft is rotatably arranged on the bottom plate, the ground cutter plectrum and the ground cutter spring device are both arranged on the ground cutter main shaft, the second fixing column is arranged on the bottom plate, and a spring pressing transmission end of the ground cutter spring device is rotatably connected with the second fixing column, the mechanism closes and divides indicating device includes transmission shaft, indicator panel and linkage plate, the transmission shaft rotates and installs on the bottom plate, and the indicator panel is installed on the transmission shaft keeps away from one end of bottom plate, and the linkage plate is installed and is served near one of bottom plate at the transmission shaft, punishment do not is provided with the arc wall corresponding to main switch plectrum and ground sword plectrum on the bottom plate, two the arc wall in be provided with the plectrum connecting rod respectively, main switch plectrum and ground sword plectrum are connected with the linkage plate through the plectrum connecting rod respectively.
The transmission main shaft is connected with the switch transmission interface, and a rotating shaft of the mechanism combining and separating indicating device is connected with a rotating shaft of the contact transmission device.
Preferably, the first mounting plate and the second mounting plate are arranged in parallel, and the energy storage and speed reduction device is located in the middle of the first mounting plate and the second mounting plate.
Preferably, the two ends of the energy storage speed reduction device are respectively connected with energy storage connecting levers, and the tail ends of the energy storage connecting levers are respectively connected with energy storage springs.
Preferably, the two energy storage connecting levers penetrate through the first device board and the second fixing device respectively to be connected with the energy storage speed reducing device, and the two energy storage connecting levers are symmetrically arranged.
Preferably, the electric actuator 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 fixing plate, a second fixing plate, a connecting shaft and a spring mechanism, wherein the first fixing plate and the second fixing plate are both installed on the main switch shaft, a gap is formed between the first fixing plate and the second fixing plate, the connecting shaft is fixedly installed in the gap between the first fixing plate and the second fixing plate, one end of the spring mechanism is rotatably connected with the connecting shaft, and the other end of the spring mechanism is rotatably connected with a fixing column.
Preferably, the spring mechanism comprises a pressing rod, a sliding barrel and a spring, one end of the pressing rod is slidably mounted in the sliding barrel, the spring is arranged in the sliding barrel, one end of the spring is abutted against the bottom of the sliding barrel, the other end of the spring is abutted against one end of the pressing rod extending into the sliding barrel, one end of the pressing rod far away from the sliding barrel is rotatably connected with the connecting shaft, the sliding barrel is rotatably connected with a fixed column by moving far away from the pressing rod, and the main switch spring device and the ground knife spring device are the same spring structure unit.
Preferably, the circuit breaker switch of the normal pressure sealing ring net cabinet is further provided with an 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, a main switch transmission mechanism and a ground cutter transmission mechanism are arranged between the bottom plate and the cover plate, the upper end of a main switch main shaft and the upper end of a ground cutter main shaft are rotatably connected with the cover plate, the upper end of the transmission shaft extends out of the cover plate, and an indicating 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 reducing device consists of a plurality of gears and a rotating shaft, the energy storage crank arm is driven to rotate through the rotation of the gears of the energy storage speed reducing device, the spring can be prevented from being damaged by instantly releasing elasticity or stretching at the moment of opening and closing of the circuit breaker, and the service life of the circuit breaker is further influenced;
the two ends of the energy storage speed reducing device are respectively connected with an energy storage crank arm through a rotating shaft, the two energy storage crank arms are symmetrically arranged, and the two ends of the energy storage speed reducing device are respectively provided with the energy storage crank arms and springs, so that the two ends of the energy storage accelerating device are stressed in balance, the service life of the equipment is greatly prolonged, and the performance of the equipment is greatly improved through the two energy storage devices;
when the automatic button fails, the circuit breaker can be opened and closed through the energy storage manual button;
the contact insulation fixing device, the contact transmission device and the contact voltage-sharing switch are all positioned on the inner side of the isolation frame, so that the contact insulation fixing device, the contact transmission device and the contact voltage-sharing switch are prevented from being touched with other devices, 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, and the components are prevented from contacting with external parts, so that the insulating effect of the circuit breaker is improved; one end of the fixing device 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;
through the cooperation among the main switch transmission mechanism, the ground knife transmission mechanism and the mechanism combination and separation indicating device, the mechanism is in insulation cooperation, and the effect of safe power utilization is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in fig. 1: 1. an insulated circuit breaker mechanism; 2. an insulated circuit breaker switch; 3. an isolation indication mechanism;
fig. 2 is a schematic structural view of an insulated circuit breaker switch of the present invention;
fig. 3 is a bottom view of one side of the insulation breaker switch of the present invention;
fig. 4 is a bottom view of the other side of the insulation breaker switch of the present invention;
in FIGS. 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 transmission device; 7. a contact voltage-sharing switch; 8. an incoming terminal; 9. an insulating spacer; 10. a fixing device; 11. an insulating frame; 12. a grounding device; 13. a positioning member; 14. a circuit breaker drive interface; 16. a switch fixing plate;
fig. 5 is a schematic structural view of an insulated circuit breaker mechanism of the present invention;
fig. 6 is a front view of the isolating circuit breaker mechanism of the present invention;
in FIGS. 5-6: 1. mounting a 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 device; 7. closing a transmission main shaft; 8. a brake separating transmission device; 9. an energy storage reduction device; 10. an energy storage crank arm; 11. an energy storage spring; 12. an electric transmission; 13. a brake separating button; 14. a closing button; 15. an energy storage manual button;
FIG. 7 is a schematic structural view of an isolation indicator mechanism of the present invention;
FIG. 8 is a schematic view of the isolation indicator mechanism 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 FIGS. 7-10: 1. a support pillar; 2. a main switch spring device; 3. a main switch main shaft; 4. a spring mechanism; 5. a main switch plectrum; 6. a base plate; 7. a main shaft of the ground cutter; 8. a ground knife spring device; 9. a floor knife shifting sheet; 10. an indicator panel; 11. a drive shaft; 12. fixing a first column; 13. fixing a second column; 14. a pressure lever; 15. A slide cylinder; 16. and (7) a cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 10, the present invention provides a technical solution: the utility model provides a normal pressure sealing ring net cabinet circuit breaker switch, includes insulating circuit breaker mechanism, insulating circuit breaker switch and isolation indication mechanism, the last transmission main shaft of insulating circuit breaker mechanism and the switch transmission interface connection of insulating circuit breaker switch, the mechanism closes the pivot of dividing indicating device and is connected with insulating circuit breaker switch branch contact transmission's pivot.
As shown in fig. 5-6, the insulating breaker mechanism includes a mounting plate, 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 perpendicular 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 rotatably connected with the 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, one end of the switching-on transmission main shaft penetrates through the first device plate, one end of the switching-on transmission main shaft penetrating through the first device plate is connected with the 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 gears of the energy storage speed reducer, the damage to the spring caused by instant elastic force release or stretching of the spring at the instant of opening and closing of the circuit breaker can be prevented, the service life of the circuit breaker is further influenced, the spring does not bear instant larger pressure in the process of stretching and shrinking 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; energy storage decelerator is connected with the energy storage turning arm through the pivot, one of energy storage turning arm is served and is connected with energy storage spring, energy storage decelerator's bottom is connected with electric drive unit through the pivot, electric drive unit can drive energy storage decelerator through the instruction of controller and rotate, and then drive energy storage turning arm and rotate, thereby drive the compression and the extension of spring, realize opening and the closure of circuit breaker, one side of first device board is connected with separating brake button and closing button, separating brake button and closing button are connected to the controller respectively, thereby the user can realize opening and closing of circuit breaker through pressing separating brake button and closing button.
In this embodiment, the first device board and the second device board are arranged in parallel, and the energy storage and speed reduction device is located at the middle position of the first device board and the second device board.
Specifically, the both ends of energy storage decelerator are connected with the energy storage connecting lever through the pivot respectively, the end of arbitrary energy storage connecting lever is connected with energy storage spring respectively, two energy storage connecting levers run through first device board and second respectively and are fixed to be connected with energy storage decelerator, and two energy storage connecting levers symmetry sets up, install energy storage connecting lever and spring respectively through energy storage decelerator's both ends, thereby make energy storage accelerator both ends atress balanced, and then improve equipment's life greatly, improve equipment's performance through two energy storage devices simultaneously greatly.
Further, the electric transmission device is fixed on the side wall of the second device plate.
Specifically, an energy storage manual button is arranged below the closing button, the energy storage manual button is arranged on the side wall of the first device plate and is connected with the electric transmission device and the energy storage speed reducing device, and when the automatic button fails, the opening and closing of the circuit breaker can be completed through the energy storage manual button;
as shown in fig. 2-4, the insulating circuit breaker switch includes a fixing plate, a plurality of switching-on/off linkage devices are fixedly connected to the fixing plate, a conductive device is connected to the bottom of any one of the switching-on/off linkage devices, a vacuum arc extinguishing assembly is connected to the bottom of the conductive device, a contact transmission device is connected to the bottom of the vacuum arc extinguishing assembly, a side wall of the contact transmission device is connected to one end of the contact insulating fixing device, the other end of the contact insulating fixing device is connected to the 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 inside the isolation frame, so as to avoid touching with other devices and greatly improve the insulating effect;
the side walls of the closing and opening linkage devices at two ends are respectively connected with an insulating partition plate, the outer side walls of the two insulating partition plates are respectively connected with a fixing device, the two fixing frames are respectively and fixedly connected with a fixing plate, the closing and opening linkage devices, the conducting device, the vacuum arc extinguishing assembly and other parts are isolated from the fixing frame through the insulating partition plates, 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 insulating fixture of contact is located inside the isolation frame, and the incoming line terminal extends to the lower portion of the isolation frame, thereby facilitating connection of the incoming line terminal with an external component.
Specifically, the one end of keeping apart the 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, a side wall of one end of the fixing device is provided with a break switch transmission interface, the break switch transmission interface is connected with a connecting shaft, and the connecting shaft connects the switching-on/switching-off linkage devices, so that the switching-on/switching-off linkage devices can rotate synchronously.
Furthermore, one end of the fixing device, which is provided with the transmission interface of the circuit breaker, is connected with a switch fixing plate, so that 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;
as shown in fig. 7-10, the isolation indicating mechanism includes a bottom plate, a main switch transmission mechanism, a ground knife transmission mechanism and a mechanism combination indicating device, the main switch transmission mechanism includes a main switch main shaft, a main switch blade, a main switch spring device and a first fixing column, the main switch main shaft is rotatably mounted on the bottom plate, the main switch blade and the main switch spring device are both mounted on the main switch main shaft, the first fixing column is mounted on the bottom plate, a spring pressing transmission end of the main switch spring device is rotatably connected with a first fixing column, the ground knife transmission mechanism includes a ground knife main shaft, a ground knife blade, a ground knife spring device and a second fixing column, the ground knife main shaft is rotatably mounted on the bottom plate, the ground knife blade and the ground knife spring device are both mounted on the ground knife main shaft, the second fixing column is mounted on the bottom plate, and a spring pressing transmission end of the ground knife spring device is rotatably connected with the second fixing column, the mechanism closes and divides indicating device includes transmission shaft, indicator panel and linkage plate, the transmission shaft rotates and installs on the bottom plate, and the indicator panel is installed on the transmission shaft keeps away from one end of bottom plate, and the linkage plate is installed and is served near one of bottom plate at the transmission shaft, punishment do not is provided with the arc wall corresponding to main switch plectrum and ground sword plectrum on the bottom plate, two the arc wall in be provided with the plectrum connecting rod respectively, main switch plectrum and ground sword plectrum are connected with the linkage plate through the plectrum connecting rod respectively.
In actual use, a linkage plate is installed on the back side of the bottom plate, the main switch transmission mechanism, the ground knife transmission mechanism and the mechanism combination and separation indicating device are connected and matched with the linkage plate, the center of the linkage plate is connected with a rotating shaft of the mechanism combination and separation indicating device, one end of the linkage plate is connected with the main switch transmission mechanism, the other end of the linkage plate is connected with the ground knife transmission mechanism, when the main switch transmission mechanism or the ground knife transmission mechanism acts, the linkage plate can be driven to rotate, the linkage plate can drive the main switch transmission mechanism or the ground knife transmission mechanism to act, meanwhile, the linkage plate can drive the mechanism combination and separation indicating device to rotate, and on-off state indication is achieved.
The main switch spring device comprises a first fixing plate, a second fixing plate, a connecting shaft and a spring mechanism, wherein the first fixing plate and the second fixing plate are both installed on a main switch shaft, a gap is formed between the first fixing plate and the second fixing plate, the connecting shaft is fixedly installed in the gap between the first fixing plate and the second fixing plate, one end of the spring mechanism is rotatably connected with the connecting shaft, and the other end of the spring mechanism is rotatably connected with a fixing column.
The spring mechanism comprises a pressing rod, a sliding barrel and a spring, one end of the pressing rod is slidably mounted in the sliding barrel, the spring is arranged in the sliding barrel, one end of the spring is abutted against the bottom of the sliding barrel, the other end of the spring is abutted against one end of the pressing rod extending into the sliding barrel, one end of the pressing rod far away from the sliding barrel is rotatably connected with a connecting shaft, the sliding barrel is far away from the pressing rod and is rotatably connected with a fixed column, and a main switch spring device and a ground knife spring device are the same spring structure unit.
Through the setting of the spring device, the energy storage mechanism is used for an energy storage mechanism, when a switch is switched on, the main switch plectrum compresses the energy storage of the main switch spring device, the ground knife plectrum compresses the energy storage of the ground knife spring device, after the switching-on is completed, the main knife switch and the ground knife switch are both in a communicated state, so that after the switch is communicated, the spring device always stores energy, when a load side breaks down, a rotating shaft of the load side instantaneously acts, the acting force is transmitted to the main switch main shaft or the ground knife main shaft, the linkage of the switch linkage plate enables the main switch plectrum and the ground knife plectrum to swing, the spring device in the energy storage state instantaneously releases the elastic force, and pushes the main switch plectrum and the ground knife plectrum to rotate through the corresponding main switch main shaft or the ground knife main shaft, and the change of the indicating state is realized through the rotation of the rotating shaft of the linkage plate driving mechanism switching-on-off indicating device, and the automatic protection function of the switch is realized.
The circuit breaker switch of the atmospheric sealed ring main unit is characterized in that the circuit breaker switch of the atmospheric sealed ring main unit further comprises an cover plate, the bottom plate and the cover plate are arranged in a matched mode, a plurality of support columns are arranged on the bottom plate, the cover plate is fixedly connected with the support columns, a main switch transmission mechanism and a ground knife transmission mechanism are arranged between the bottom plate and the cover plate, the upper end of a main switch main shaft and the upper end of a ground knife main shaft are rotatably connected with the cover plate, the upper end of a transmission shaft stretches out of the cover plate, and an indicating plate is arranged on the main shaft and located outside the cover plate.
The states of energy storage, switch-on, switch-off and the like of the rotating device are realized through transmission structures such as a main switch main shaft, a main switch shifting piece, a main switch spring device, a ground knife main shaft, a ground knife shifting piece, a ground knife spring device, a mechanism switch-on and switch-off indicating device and the like; through the transmission structure, the transmission effect is good, the complexity of mechanism matching is reduced, and the running reliability of the whole mechanism is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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 circuit breaker switch of ordinary pressure sealing ring net cabinet which characterized in that: comprises an insulation breaker mechanism, an insulation breaker switch and an isolation indication mechanism,
the insulating circuit breaker mechanism comprises a mounting plate, a first device plate and a second device plate are respectively and vertically arranged on the mounting plate, 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/off transmission device, a buckle plate device is connected onto the switching-on/off transmission 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 speed reducer is connected to the closing transmission main shaft, an energy storage connecting lever is connected to the energy storage speed reducer, an energy storage spring is connected to one end of the energy storage connecting lever, an electric transmission device is connected to the bottom of the energy storage speed reducer, and a closing button and a separating button are arranged on one side of the first device plate;
the insulating circuit 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 insulating and fixing device, the bottom of the contact transmission device is connected with a contact voltage-sharing switch, and the contact voltage-sharing switch is connected with a wire inlet terminal; the side walls of the switching-on and switching-off linkage devices at two ends are respectively connected with an insulating partition plate, the outer side walls of the two insulating partition plates 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 on the inner side of the isolation frame, and the wire inlet terminal extends to the lower part of the isolation frame; one end of the isolation frame is respectively provided with a positioning piece; a cut-off switch transmission interface is arranged on the side wall of one end of the fixing device; a switch fixing plate is connected to one end of the fixing device, which is provided with the transmission interface of the circuit breaker;
the isolation indicating mechanism comprises a bottom plate, a main switch transmission mechanism, a ground cutter transmission mechanism and a mechanism switching indicating device, wherein the main switch transmission mechanism is arranged on the bottom plate and comprises a main switch main shaft, a main switch plectrum, a main switch spring device and a first fixing column, the main switch main shaft is rotatably arranged on the bottom plate, the main switch plectrum and the main switch spring device are both arranged on the main switch main shaft, the first fixing column is arranged on the bottom plate, a spring pressing transmission end of the main switch spring device is rotatably connected with the first fixing column, the ground cutter transmission mechanism comprises a ground cutter main shaft, a ground cutter plectrum, a ground cutter spring device and a second fixing column, the ground cutter main shaft is rotatably arranged on the bottom plate, the ground cutter plectrum and the ground cutter spring device are both arranged on the ground cutter main shaft, the second fixing column is arranged on the bottom plate, and a spring pressing transmission end of the ground cutter spring device is rotatably connected with the second fixing column, the mechanism closes and divides indicating device includes transmission shaft, indicator panel and linkage plate, the transmission shaft rotates and installs on the bottom plate, and the indicator panel is installed on the transmission shaft keeps away from one end of bottom plate, and the linkage plate is installed and is served near one of bottom plate at the transmission shaft, punishment do not is provided with the arc wall corresponding to main switch plectrum and ground sword plectrum on the bottom plate, two the arc wall in be provided with the plectrum connecting rod respectively, main switch plectrum and ground sword plectrum are connected with the linkage plate through the plectrum connecting rod respectively.
The transmission main shaft is connected with the switch transmission interface, and a rotating shaft of the mechanism combining and separating indicating device is connected with a rotating shaft of the contact transmission device.
2. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, wherein: the first device plate and the second device plate are arranged in parallel, and the energy storage speed reducing device is located in the middle of the first device plate and the second device plate.
3. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, wherein: the two ends of the energy storage speed reducing device are respectively connected with energy storage connecting levers, and the tail ends of the energy storage connecting levers are respectively connected with energy storage springs.
4. The atmospheric pressure sealing ring network cabinet breaker switch of claim 3, wherein: the two energy storage crank arms penetrate through the first device plate and the second fixing device respectively and are connected with the energy storage speed reducing device, and the two energy storage crank arms are symmetrically arranged.
5. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, wherein: the electric transmission device is fixed on the side wall of the second device plate.
6. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, wherein: and an energy storage manual button is arranged below the closing button.
7. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, 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 pressure sealing ring network cabinet breaker switch of claim 1, wherein: the main switch spring device comprises a first fixing plate, a second fixing plate, a connecting shaft and a spring mechanism, wherein the first fixing plate and the second fixing plate are both installed on a main switch shaft, a gap is formed between the first fixing plate and the second fixing plate, the connecting shaft is fixedly installed in the gap between the first fixing plate and the second fixing plate, one end of the spring mechanism is rotatably connected with the connecting shaft, and the other end of the spring mechanism is rotatably connected with a fixing column.
9. The atmospheric pressure sealing ring network cabinet breaker switch of claim 8, wherein: the spring mechanism comprises a pressing rod, a sliding barrel and a spring, one end of the pressing rod is slidably mounted in the sliding barrel, the spring is arranged in the sliding barrel, one end of the spring is abutted against the bottom of the sliding barrel, the other end of the spring is abutted against one end of the pressing rod extending into the sliding barrel, one end of the pressing rod far away from the sliding barrel is rotatably connected with a connecting shaft, the sliding barrel is far away from the pressing rod and is rotatably connected with a fixed column, and a main switch spring device and a ground knife spring device are the same spring structure unit.
10. The atmospheric pressure sealing ring network cabinet breaker switch of claim 1, wherein: still including the apron, the bottom plate sets up with the apron cooperation, is provided with many support columns on the bottom plate, and the apron passes through support column fixed connection, and main switch drive mechanism and earthing switch drive mechanism set up between bottom plate and apron, and the upper end and the apron of main switch main shaft and earthing switch main shaft rotate to be connected, the upper end of transmission shaft stretches out to the apron outside, the indicator board sets up and lies in the apron outside on the main shaft.
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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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| 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 true CN114496605A (en) | 2022-05-13 |
| CN114496605B CN114496605B (en) | 2023-09-22 |
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| CN202210174816.0A Active CN114496605B (en) | 2022-02-25 | 2022-02-25 | Breaker switch of normal pressure sealed ring main unit |
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| CN114496605B (en) | 2023-09-22 |
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