CN114388282A - Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch - Google Patents
Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch Download PDFInfo
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- CN114388282A CN114388282A CN202111628588.1A CN202111628588A CN114388282A CN 114388282 A CN114388282 A CN 114388282A CN 202111628588 A CN202111628588 A CN 202111628588A CN 114388282 A CN114388282 A CN 114388282A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 89
- 238000002955 isolation Methods 0.000 claims abstract description 179
- 238000004146 energy storage Methods 0.000 claims abstract description 50
- 238000005192 partition Methods 0.000 claims abstract description 44
- 230000020347 spindle assembly Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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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
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
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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
- H01H71/02—Housings; Casings; Bases; Mountings
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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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
An operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch comprises: the circuit breaker mechanism comprises a manual energy storage assembly and a manual opening and closing assembly; the isolation mechanism comprises an isolation opening and closing component, an isolation spring component, an isolation main shaft component and a follow-up rotation preventing component; the interlocking mechanism comprises a partition interlocking component and a partition interlocking component. The pole switch matched with the operating mechanism integrates the isolating switch and the circuit breaker into a shell, so that the integration degree is improved, the factors of the isolating switch, such as corrosion, oxidation, rusting and the like, which influence the electric power operation safety, are avoided, and the shell is filled with normal-pressure clean air, so that the product is more environment-friendly. And an interlocking device which can ensure safe operation specifications is designed between the circuit breaker mechanism and the isolation mechanism, so that the mechanism has the advantages of compact structure, simple and convenient operation, safety and stability.
Description
Technical Field
The invention belongs to intelligent distribution equipment, and particularly relates to an operating mechanism for an on-column circuit breaker of an environment-friendly built-in isolating switch.
Background
Circuit breakers, disconnectors, and the like are important devices for power transmission and distribution lines, and play an indispensable role in ensuring safe operation of electric power. However, the switches are all independent in dispersion and poor in integration, and the isolating switch is prone to corrosion, oxidation, rusting and the like when exposed to severe air for a long time, so that the disconnection and connection are not smooth, and the safe operation of electric power is affected.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide an operating mechanism for an on-pole circuit breaker with an environment-friendly built-in isolating switch.
The invention adopts the following technical scheme:
an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch comprises: the circuit breaker mechanism is used for performing on-off operation on the circuit breaker and comprises a manual energy storage assembly and a manual on-off assembly; the isolation mechanism is a spring middle-passing mechanism and is used for performing on-off operation on the isolation knife and comprises an isolation on-off assembly, an isolation spring assembly, an isolation main shaft assembly and a follow-up rotation preventing assembly; the interlocking mechanism comprises a partition interlocking assembly and a partition interlocking assembly; the manual energy storage assembly is used for completing energy storage operation of the operating mechanism; the manual opening and closing component is used for completing opening and closing operation of the operating mechanism; the isolation opening and closing component is connected with the isolation spring component; the isolation spring assembly is connected with the isolation spindle assembly; the isolation main shaft assembly is connected with the follow-up rotation preventing assembly; the isolating interlocking component is connected between the isolating dividing and combining component and the isolating spring component; the partition interlocking assembly is arranged below the manual opening and closing assembly and used for preventing opening and closing operations of the manual opening and closing assembly; the partition interlocking assembly is connected with the isolation main shaft assembly.
Preferably, the manual energy storage assembly comprises a manual energy storage shaft, a manual energy storage shaft crank arm, a manual energy storage shaft torsion spring, a pinion shaft, a pinion, a one-way bearing and a one-way bearing crank arm.
Preferably, the crank arm of the manual energy storage shaft is welded and assembled on the manual energy storage shaft.
Preferably, the manual energy storage shaft torsion spring is assembled on the manual energy storage shaft and used for enabling the manual energy storage shaft torsion spring to reset in the energy storage operation.
Preferably, the pinion is directly mounted on the pinion shaft.
Preferably, the one-way bearing crank arms are assembled on the pinion shaft together through the one-way bearing.
Preferably, the one-way bearing is a bearing that can transmit torque only when rotating in one direction.
Preferably, the manual on-off component comprises a manual on-off shaft, a manual on-off shaft connecting lever, a reset torsion spring connecting lever, a reset tension spring connecting lever, an opening half shaft, a closing pawl shaft and an on-off shaft connecting lever.
Preferably, the manual opening and closing shaft crank arm, the reset torsion spring crank arm and the reset tension spring crank arm are all assembled on the manual opening and closing shaft.
Preferably, the return torsion spring is assembled on the manual opening and closing shaft.
Preferably, the reset tension spring is assembled and connected with the manual opening and closing shaft through a reset tension spring crank arm, and the reset tension spring has the function of realizing the reset of the manual opening and closing shaft.
Preferably, the switching-on and switching-off shaft crank arms are respectively assembled on the switching-off half shaft and the switching-on pawl shaft.
Preferably, the isolation clutch assembly comprises an isolation clutch shaft, an isolation clutch shaft crank arm, an isolation clutch connecting rod, an isolation idle stroke sleeve crank arm, an isolation idle stroke sleeve, an isolation spring crank arm shaft and an idle stroke limit bolt.
Preferably, the crank arm of the isolation split shaft is welded and assembled on the isolation split shaft.
Preferably, the isolating idle stroke sleeve crank arm is welded on the isolating idle stroke sleeve and then assembled on the isolating spring crank arm shaft through an idle stroke limiting bolt.
Preferably, the isolation opening and closing connecting rod connects the isolation opening and closing shaft with the isolation spring crank arm shaft.
Preferably, the isolation spring assembly comprises an isolation spring, an isolation spring guide rod, an isolation spring bent plate, an isolation spring hanging spring shaft, an isolation spring pin shaft, an isolation spring crank arm pin, a sector plate and a limit shaft.
Preferably, the isolating spring crank arm and the sector plate are assembled on the isolating spring crank arm shaft in a welding mode.
Preferably, the isolating spring crank arm pin is welded between the two isolating spring crank arms.
Preferably, the isolation spring is mounted on an isolation spring guide rod along which energy is stored and released.
Preferably, the isolating spring bent plate is welded and assembled at one end of the isolating spring guide rod and is installed on the isolating spring hanging spring shaft, and the other end of the isolating spring bent plate is assembled on the isolating spring crank arm through the isolating spring pin shaft.
Preferably, the limiting shaft is fixed and used for limiting the fan-shaped plates in the opening and closing in-place state.
Preferably, the isolation spindle assembly includes an isolation spindle, an isolation spindle crank arm, and an isolation spindle link.
Preferably, the isolating spindle crank arm is mounted on the isolating spindle.
Preferably, the isolating spindle link connects the isolating spindle crank arm and the sector plate.
Preferably, prevent following the subassembly of changeing including preventing following the pivot, preventing following the pivot turning lever, preventing following the torsional spring and preventing following the commentaries on classics and keep apart the main shaft turning lever.
Preferably, the anti-follow rotation shaft crank arm and the anti-follow rotation torsion spring are assembled on the anti-follow rotation shaft.
Preferably, the anti-follow-up rotation isolation spindle crank arm is assembled on the isolation spindle.
Preferably, when the isolation switching shaft in the isolation switching assembly is rotated, the isolation spring crank arm shaft can be driven to synchronously move, so that the isolation spring in the isolation spring assembly stores energy, when the energy storage of the isolation spring is finished, the energy is released in the process, and the energy is transmitted to the isolation spindle through the isolation spindle connecting rod and the isolation spindle crank arm in the isolation spindle assembly.
Preferably, the trip interlock assembly includes a circuit breaker spindle crank arm, a trip link, and a trip interlock crank arm.
Preferably, the breaker spindle crank arm moves synchronously with the breaker spindle.
Preferably, the break interlock lever is mounted on a separate split axle.
Preferably, the isolating link connects the breaker spindle connecting lever and the isolating interlocking connecting lever together, and can directly transmit the motion state of the breaker spindle to the isolating interlocking connecting lever.
Preferably, the partition interlocking assembly comprises a partition interlocking crank arm short, a partition interlocking connecting rod, a partition interlocking crank arm long and a side plate supporting column.
Preferably, the partition interlocking crank arm is short-mounted on the isolation main shaft.
Preferably, the upper partition interlocking crank arm is long and hinged on the side plate supporting column and rotates by taking the side plate supporting column as a fixed point.
Preferably, the partition interlocking connecting rod connects the partition interlocking connecting lever short with the partition interlocking connecting lever long, and transmits the motion state of the isolation main shaft to the partition interlocking connecting lever long.
Compared with the prior art, the invention has the beneficial effects that:
the pole switch matched with the operating mechanism for the pole circuit breaker with the built-in isolating switch integrates the isolating switch and the circuit breaker into a shell, so that the integration degree is improved, the factors influencing the electric power operation safety, such as corrosion, oxidation, rusting and the like of the isolating switch are avoided, and the shell is filled with normal-pressure clean air, so that the product is more environment-friendly. And an interlocking device which can ensure safe operation specifications is designed between the circuit breaker mechanism and the isolation mechanism, so that the mechanism has the advantages of compact structure, simple and convenient operation, safety and stability.
Drawings
FIG. 1 is a general assembly view of an operating mechanism for a circuit breaker on a column of an environmentally friendly built-in disconnector according to the present invention;
FIG. 2 is a general assembly view of a circuit breaker mechanism of an operating mechanism for an on-pole circuit breaker of an environmentally friendly built-in disconnector according to the present invention;
FIG. 3 is a schematic structural diagram of a manual energy storage assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention;
FIG. 4 is a schematic structural diagram of a manual on-off assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the invention;
FIG. 5 is a general assembly view of the isolating mechanism of the operating mechanism for the pole disconnect of the environmentally friendly built-in isolating switch of the present invention;
FIG. 6 is a schematic structural diagram of an isolation switching assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention;
FIG. 7 is a schematic structural view of an isolation spring assembly of an operating mechanism for an on-pole circuit breaker of an environmentally-friendly built-in isolating switch according to the present invention;
FIG. 8 is a schematic structural view of an isolation spindle assembly of an operating mechanism for an on-pole circuit breaker of an environmentally-friendly built-in isolating switch according to the present invention;
FIG. 9 is a schematic structural view of a rotation preventing assembly of the operating mechanism for the circuit breaker on the column of the environment-friendly built-in isolating switch of the present invention;
FIG. 10 is a schematic view of a disconnecting interlock assembly of an operating mechanism for an on-pole circuit breaker with an environment-friendly built-in isolating switch according to the present invention;
FIG. 11 is a schematic view of a partition interlocking assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention;
reference numerals:
1-a circuit breaker mechanism, 2-an isolation mechanism, 3-an interlocking mechanism, 11-a manual energy storage component, 12-a manual opening and closing component, 21-an isolation opening and closing component, 22-an isolation spring component, 23-an isolation main shaft component, 24-a follow-up rotation prevention component, 31-an isolation interlocking component, 32-a separation interlocking component, 111-a manual energy storage shaft, 112-a manual energy storage shaft crank arm, 113-a manual energy storage shaft torsion spring, 114-a pinion shaft, 115-a pinion, 116-a one-way bearing, 117-a one-way bearing crank arm, 121-a manual opening and closing shaft, 122-a manual opening and closing shaft crank arm, 123-a reset torsion spring, 124-a reset torsion spring crank arm, 125-a reset tension spring, 126-a reset tension spring crank arm, 127-a brake separating half shaft, 128-closing pawl shaft, 129-opening and closing brake shaft connecting lever, 211-isolating opening and closing shaft, 212-isolating opening and closing shaft connecting lever, 213-isolating opening and closing connecting rod, 214-isolating idle stroke sleeve connecting lever, 215-isolating idle stroke sleeve, 216-isolating spring connecting lever shaft, 217-idle stroke limit bolt, 221-isolating spring, 222-isolating spring guide rod, 223-isolating spring bent plate, 224-isolating spring hanging spring shaft, 225-isolating spring pin shaft, 226-isolating spring connecting lever, 227-isolating spring connecting lever pin, 228-sector plate, 229-limit shaft, 231-isolating main shaft, 232-isolating main shaft connecting lever, 233-isolating main shaft connecting lever, 241-anti-follow rotating shaft, 242-anti-follow rotating shaft connecting lever, 243-anti-follow rotating torsion spring, 244-anti-follow rotating isolating main shaft connecting lever, 311-breaker main shaft crank arm, 312-isolating connecting rod, 313-isolating interlocking crank arm, 321-isolating interlocking crank arm short, 322-isolating interlocking connecting rod, 323-isolating interlocking crank arm long and 324-side plate supporting column.
Detailed Description
The present application is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present application is not limited thereby.
Fig. 1 is a general assembly diagram of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention. As shown in fig. 1, an operating mechanism for an on-pole circuit breaker with an environment-friendly built-in isolating switch comprises a circuit breaker mechanism 1, an isolating mechanism 2 and an interlocking mechanism 3 between the circuit breaker mechanism 1 and the isolating mechanism 2.
Fig. 2 is a general assembly diagram of a circuit breaker mechanism of an operating mechanism for an on-pole circuit breaker with an environment-friendly built-in isolating switch according to the invention. As shown in fig. 2, the circuit breaker mechanism 1 is used for switching a circuit breaker, and includes a manual energy storage unit 11 and a manual switching unit 12.
Fig. 3 is a schematic structural diagram of a manual energy storage assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the invention. As shown in fig. 3, the manual energy storage assembly 11 includes a manual energy storage shaft 111, a manual energy storage shaft crank arm 112, a manual energy storage shaft torsion spring 113, a pinion shaft 114, a pinion 115, a one-way bearing 116, and a one-way bearing crank arm 117.
The manual energy storage shaft crank arm 112 is welded and assembled on the manual energy storage shaft 111, the manual energy storage shaft torsion spring 113 is assembled on the manual energy storage shaft 111 and used for resetting the manual energy storage shaft 111 during energy storage operation, the pinion 115 is directly assembled on the pinion shaft 114, the one-way bearing crank arm 117 is assembled on the pinion shaft 114 through the one-way bearing 116, and the one-way bearing 116 is a bearing capable of transmitting torque only during one-way rotation.
When the manual energy storage shaft 111 is rotated, energy can be transmitted to the pinion shaft 114 through the manual energy storage shaft connecting lever 112, the one-way bearing connecting lever 117 and the one-way bearing 116, and then transmitted to other shafts through the pinion 115, so that the energy storage operation of the mechanism is completed.
Fig. 4 is a schematic structural diagram of a manual switching assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch. As shown in fig. 4, the manual opening/closing assembly 12 includes a manual opening/closing shaft 121, a manual opening/closing shaft crank arm 122, a return torsion spring 123, a return torsion spring crank arm 124, a return tension spring 125, a return tension spring crank arm 126, an opening half shaft 127, a closing latch shaft 128, and an opening/closing shaft crank arm 129.
The manual opening and closing shaft crank arm 122, the reset torsion spring crank arm 124 and the reset tension spring crank arm 126 are all assembled on the manual opening and closing shaft 121, the reset torsion spring 123 is assembled on the manual opening and closing shaft 121, the reset tension spring 125 is assembled and connected with the manual opening and closing shaft 121 through the reset tension spring crank arm 126 and has the functions of realizing the resetting of the manual opening and closing shaft 121, and the opening and closing shaft crank arm 129 is respectively assembled on the opening and closing half shaft 127 and the closing pawl shaft 128.
When the manual opening and closing shaft 121 is rotated, the opening and closing shaft crank arm 129 assembled on the opening half shaft 127 and the closing pawl shaft 128 is driven by the manual opening and closing shaft crank arm 122, and the opening and closing operation of the mechanism is completed.
Fig. 5 is a general assembly diagram of an isolation mechanism of an operating mechanism for a circuit breaker on a column of an environment-friendly built-in isolating switch according to the invention. As shown in fig. 5, the isolation mechanism 2 is a spring over-center mechanism, and is used for performing switching on and off operations on the isolation knife, and includes an isolation switching on and off assembly 21, an isolation spring assembly 22, an isolation spindle assembly 23, and a follow-up rotation preventing assembly 24.
Fig. 6 is a schematic structural diagram of an isolation switching component of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch. As shown in fig. 6, the isolation clutch assembly 21 includes an isolation clutch shaft 211, an isolation clutch shaft crank 212, an isolation clutch link 213, an isolation idle-travel sleeve crank 214, an isolation idle-travel sleeve 215, an isolation spring crank shaft 216, and an idle-travel limit bolt 217.
The isolating clutch shaft crank arm 212 is welded on the isolating clutch shaft 211, the isolating idle stroke sleeve crank arm 214 is welded on the isolating idle stroke sleeve 215, then the isolating clutch shaft crank arm is assembled on the isolating spring crank arm shaft 216 through an idle stroke limiting bolt 217, and the isolating clutch shaft 211 and the isolating spring crank arm shaft 216 are connected through the isolating clutch connecting rod 213.
Fig. 7 is a schematic structural diagram of an isolation spring assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention. As shown in fig. 7, the isolation spring assembly 22 includes an isolation spring 221, an isolation spring guide 222, an isolation spring bent plate 223, an isolation spring hanger shaft 224, an isolation spring pin shaft 225, an isolation spring crank 226, an isolation spring crank pin 227, a sector plate 228, and a retainer shaft 229.
The isolation spring crank arms 226 and the sector plates 228 are welded and assembled on the isolation spring crank arm shaft 216, the isolation spring crank arm pins 227 are welded between the two isolation spring crank arms 226, the isolation springs 221 are assembled on the isolation spring guide rods 222, energy is stored and released along the isolation spring guide rods 222, the isolation spring bent plates 223 are welded and assembled at one ends of the isolation spring guide rods 222 and are installed on the isolation spring hanging spring shaft 224, the other ends of the isolation spring bent plates are assembled on the isolation spring crank arms 226 through the isolation spring pin shafts 225, and the limiting shafts 229 are fixed and immovable and used for limiting the sector plates 228 in the opening and closing in-place state.
Fig. 8 is a schematic structural view of an isolation spindle assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention. As shown in fig. 8, isolation spindle assembly 23 includes an isolation spindle 231, an isolation spindle crank arm 232, and an isolation spindle link 233.
Isolation spindle crank arm 232 is mounted on isolation spindle 231 and isolation spindle link 233 connects isolation spindle crank arm 232 with sector plate 228.
Fig. 9 is a schematic structural view of a rotation preventing assembly of the operating mechanism for the pole disconnect of the environment-friendly built-in disconnecting switch of the present invention. As shown in fig. 9, the anti-follow-up assembly 24 includes an anti-follow-up spindle 241, an anti-follow-up spindle crank arm 242, an anti-follow-up torsion spring 243, and an anti-follow-up isolation spindle crank arm 244.
The anti-follow rotation shaft crank arm 242 and the anti-follow rotation torsion spring 243 are assembled on the anti-follow rotation shaft 241, and the anti-follow rotation isolation main shaft crank arm 244 is assembled on the isolation main shaft 231.
When the isolation main shaft 231 is switched on and rotates, the anti-follow-up rotation shaft crank arm 242 can have a certain resistance effect on the isolation main shaft 231 under the action of the anti-follow-up rotation torsion spring 243, so as to prevent the isolation knife from rotating synchronously with the random mechanism in the switching-on process, and the isolation knife cannot be switched on reliably due to the fact that no inertia force exists after the isolation knife contacts the fixed contact.
When the isolating switch-on/off shaft 211 in the isolating switch-on/off assembly 21 is rotated, the isolating spring crank arm shaft 216 can be driven to synchronously move, so that the isolating spring 221 in the isolating spring assembly 22 stores energy, when the energy storage of the isolating spring 221 is finished, the energy is released in the process, and the energy is transmitted to the isolating main shaft 231 through the isolating main shaft connecting rod 233 and the isolating main shaft crank arm 232 in the isolating main shaft assembly 23, so that the isolated switch-on/off operation is finished.
The interlocking mechanism 3 includes a partition interlocking assembly 31 and a partition interlocking assembly 32.
The isolation dividing and combining component 21 is connected with the isolation spring component 22, the isolation spring component 22 is connected with the isolation main shaft component 23, the isolation main shaft component 23 is connected with the follow-up rotation preventing component 24, the isolation interlocking component 31 is connected between the isolation dividing and combining component 21 and the isolation spring component 22, the isolation interlocking component 32 is arranged below the manual dividing and combining component 12 and used for preventing dividing and combining operations of the manual dividing and combining component 12, and the isolation interlocking component 32 is connected with the isolation main shaft component 23.
Fig. 10 is a schematic structural diagram of a disconnecting interlock assembly of an operating mechanism for an on-pole circuit breaker with an environment-friendly built-in isolating switch according to the present invention. As shown in fig. 10, the trip interlock assembly 31 includes a breaker spindle crank arm 311, a trip link 312, and a trip interlock crank arm 313.
The breaker main shaft connecting lever 311 and the breaker main shaft move synchronously, the isolating interlocking connecting lever 313 is assembled on the isolating clutch shaft 211, and the isolating connecting rod 312 connects the breaker main shaft connecting lever 311 and the isolating interlocking connecting lever 313 together, so that the motion state of the breaker main shaft can be directly transmitted to the isolating interlocking connecting lever 313.
When the breaker is in a closing state and the isolation is opened, due to the blocking effect of the isolation interlocking connecting lever 313 on the isolating spring connecting lever pin 227, the isolation cannot be opened, and the breaker is opened and then isolated firstly when the breaker is opened and closed.
Fig. 11 is a schematic structural view of a partition interlocking assembly of an operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch according to the present invention. As shown in FIG. 11, the partition interlock assembly 32 includes a partition interlock tab short 321, a partition interlock link 322, a partition interlock tab long 323, and a side plate support post 324.
The partition interlocking crank arm short 321 is assembled on the isolation main shaft 231, the upper partition interlocking crank arm long 323 is assembled on the side plate supporting column 324 in a hinged mode, the side plate supporting column 324 serves as a fixed point to rotate, the partition interlocking connecting rod 322 connects the partition interlocking crank arm short 321 with the partition interlocking crank arm long 323, and the motion state of the isolation main shaft 231 is transmitted to the partition interlocking crank arm long 323.
When the isolating knife is in an opening state, the isolating linkage crank arm length 323 is located between two pins of the manual opening and closing shaft crank arm 122, so that opening and closing operations of the manual opening and closing shaft 121 are prevented, the opening and closing shaft crank arm 129 cannot be triggered to enable the closing pawl shaft 128 to rotate to close, and the isolating and closing circuit breaker can be guaranteed to be closed firstly when power is transmitted and closed.
Compared with the prior art, the invention has the beneficial effects that:
the pole switch matched with the operating mechanism for the pole circuit breaker with the built-in isolating switch integrates the isolating switch and the circuit breaker into a shell, so that the integration degree is improved, the factors influencing the electric power operation safety, such as corrosion, oxidation, rusting and the like of the isolating switch are avoided, and the shell is filled with normal-pressure clean air, so that the product is more environment-friendly. And an interlocking device which can ensure safe operation specifications is designed between the circuit breaker mechanism and the isolation mechanism, so that the mechanism has the advantages of compact structure, simple and convenient operation, safety and stability.
The present applicant has described and illustrated embodiments of the present invention in detail with reference to the accompanying drawings, but it should be understood by those skilled in the art that the above embodiments are merely preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, and on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. An operating mechanism for an on-pole circuit breaker of an environment-friendly built-in isolating switch comprises: breaker mechanism (1), isolation mechanism (2) and interlocking gear (3) between breaker mechanism (1) and isolation mechanism (2), its characterized in that:
the circuit breaker mechanism (1) is used for performing on-off operation on a circuit breaker and comprises a manual energy storage assembly (11) and a manual on-off assembly (12);
the isolation mechanism (2) is a spring middle-passing mechanism and is used for performing on-off operation on the isolation knife, and comprises an isolation on-off assembly (21), an isolation spring assembly (22), an isolation main shaft assembly (23) and a follow-up rotation preventing assembly (24);
the interlocking mechanism (3) comprises a partition interlocking assembly (31) and a partition interlocking assembly (32);
the manual energy storage assembly (11) is used for completing energy storage operation of the operating mechanism;
the manual opening and closing component (12) is used for completing opening and closing operation of the operating mechanism;
the isolation clutch-clutch assembly (21) is connected with the isolation spring assembly (22);
the isolation spring assembly (22) is connected with the isolation spindle assembly (23);
the isolation main shaft assembly (23) is connected with the follow-up rotation preventing assembly (24);
the isolating interlocking component (31) is connected between the isolating clutch-split component (21) and the isolating spring component (22);
the partition interlocking assembly (32) is arranged below the manual opening and closing assembly (12) and is used for preventing opening and closing operations of the manual opening and closing assembly (12);
the partition interlocking assembly (32) is connected with the isolation main shaft assembly (23).
2. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 1, wherein:
the manual energy storage assembly (11) comprises a manual energy storage shaft (111), a manual energy storage shaft crank arm (112), a manual energy storage shaft torsion spring (113), a pinion shaft (114), a pinion (115), a one-way bearing (116) and a one-way bearing crank arm (117);
the manual energy storage shaft crank arm (112) is welded and assembled on the manual energy storage shaft (111);
the manual energy storage shaft torsion spring (113) is assembled on the manual energy storage shaft (111) and used for resetting the manual energy storage shaft during energy storage operation;
the pinion (115) is directly fitted to the pinion shaft (114);
the one-way bearing crank arm (117) is assembled on the pinion shaft (114) together through a one-way bearing (116);
the one-way bearing (116) is a bearing that can only transmit torque when rotating in one direction.
3. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 2, wherein:
the manual opening and closing assembly (12) comprises a manual opening and closing shaft (121), a manual opening and closing shaft crank arm (122), a reset torsion spring (123), a reset torsion spring crank arm (124), a reset tension spring (125), a reset tension spring crank arm (126), an opening half shaft (127), a closing pawl shaft (128) and an opening and closing shaft crank arm (129);
the manual opening and closing shaft crank arm (122), the reset torsion spring crank arm (124) and the reset tension spring crank arm (126) are all assembled on the manual opening and closing shaft (121);
the reset torsion spring (123) is assembled on the manual opening and closing shaft (121);
the reset tension spring (125) is assembled and connected with the manual opening and closing shaft (121) through a reset tension spring crank arm (126), and the reset tension spring has the function of resetting the manual opening and closing shaft (121);
and the switching-on and switching-off shaft crank arms (129) are respectively assembled on the switching-off half shaft (127) and the switching-on pawl shaft (128).
4. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 3, wherein:
the isolation clutch assembly (21) comprises an isolation clutch shaft (211), an isolation clutch shaft crank arm (212), an isolation clutch connecting rod (213), an isolation idle stroke sleeve crank arm (214), an isolation idle stroke sleeve (215), an isolation spring crank arm shaft (216) and an idle stroke limiting bolt (217);
the isolating clutch shaft crank arm (212) is welded and assembled on the isolating clutch shaft (211);
the isolating idle stroke sleeve crank arm (214) is welded on the isolating idle stroke sleeve (215) and then assembled on the isolating spring crank arm shaft (216) through an idle stroke limiting bolt (217);
the isolation opening and closing connecting rod (213) connects the isolation opening and closing shaft (211) with the isolation spring crank arm shaft (216).
5. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 4, wherein:
the isolation spring assembly (22) comprises an isolation spring (221), an isolation spring guide rod (222), an isolation spring bent plate (223), an isolation spring hanging spring shaft (224), an isolation spring pin shaft (225), an isolation spring crank arm (226), an isolation spring crank arm pin (227), a sector plate (228) and a limiting shaft (229);
the isolation spring crank arm (226) and the sector plate (228) are welded and assembled on the isolation spring crank arm shaft (216);
the isolating spring crank arm pin (227) is welded between the two isolating spring crank arms (226);
the isolation spring (221) is assembled on the isolation spring guide rod (222), and energy is stored and released along the isolation spring guide rod (222);
the isolating spring bent plate (223) is welded and assembled at one end of the isolating spring guide rod (222) and is installed on an isolating spring hanging spring shaft (224), and the other end of the isolating spring bent plate is assembled on an isolating spring crank arm (226) through an isolating spring pin shaft (225);
the limiting shaft (229) is fixed and used for limiting the fan-shaped plate (228) in the opening and closing in-place state.
6. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 5, wherein:
the isolation main shaft assembly (23) comprises an isolation main shaft (231), an isolation main shaft crank arm (232) and an isolation main shaft connecting rod (233);
the isolating main shaft crank arm (232) is assembled on the isolating main shaft (231);
the isolation spindle connecting rod (233) connects the isolation spindle crank arm (232) with the sector plate (228).
7. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 6, wherein:
the anti-follow rotation assembly (24) comprises an anti-follow rotation shaft (241), an anti-follow rotation shaft crank arm (242), an anti-follow rotation torsion spring (243) and an anti-follow rotation isolation main shaft crank arm (244);
the anti-follow rotation shaft crank arm (242) and the anti-follow rotation torsion spring (243) are assembled on the anti-follow rotation shaft (241);
the anti-follow-up rotation isolating main shaft crank arm (244) is assembled on the isolating main shaft (231).
8. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 7, wherein:
when the isolating and separating shaft (211) in the isolating and separating and combining component (21) is rotated, the isolating spring crank arm shaft (216) can be driven to synchronously move, so that the isolating spring (221) in the isolating spring component (22) stores energy, when the energy storage of the isolating spring (221) is finished, the energy is released in the process, and the energy is transmitted to the isolating main shaft (231) through the isolating main shaft connecting rod (233) and the isolating main shaft crank arm (232) in the isolating main shaft component (23).
9. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 8, wherein:
the isolating interlocking assembly (31) comprises a breaker main shaft crank arm (311), an isolating connecting rod (312) and an isolating interlocking crank arm (313);
the breaker main shaft crank arm (311) and the breaker main shaft synchronously move;
the isolating interlocking crank arm (313) is assembled on the isolating clutch shaft (211);
the isolating connecting rod (312) connects the breaker spindle connecting lever (311) and the isolating interlocking connecting lever (313) together, and can directly transmit the motion state of the breaker spindle to the isolating interlocking connecting lever (313).
10. The operating mechanism for the pole break of the environment-friendly built-in isolating switch as claimed in claim 9, wherein:
the partition interlocking assembly (32) comprises a partition interlocking crank arm short (321), a partition interlocking connecting rod (322), a partition interlocking crank arm long (323) and a side plate supporting column (324);
the partition interlocking crank arm short (321) is assembled on the isolation main shaft (231);
the upper partition interlocking crank arm length (323) is hinged and assembled on the side plate supporting column (324) and rotates by taking the side plate supporting column (324) as a fixed point;
the partition interlocking connecting rod (322) connects the partition interlocking crank arm short (321) with the partition interlocking crank arm long (323), and transmits the motion state of the isolation main shaft (231) to the partition interlocking crank arm long (323).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628588.1A CN114388282A (en) | 2021-12-28 | 2021-12-28 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111628588.1A CN114388282A (en) | 2021-12-28 | 2021-12-28 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114388282A true CN114388282A (en) | 2022-04-22 |
Family
ID=81197074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111628588.1A Pending CN114388282A (en) | 2021-12-28 | 2021-12-28 | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114388282A (en) |
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| EP1939903A1 (en) * | 2006-12-29 | 2008-07-02 | LS Industrial Systems Co., Ltd | Switching mechanism for air circuit breaker and toggle links thereof |
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| CN105405694A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Interlocking device for circuit breaker and isolating switch |
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| WO2018076455A1 (en) * | 2016-10-31 | 2018-05-03 | 国家电网公司 | Servo-drive isolation circuit breaker |
| CN109119284A (en) * | 2018-08-30 | 2019-01-01 | 许昌合泰机械设备有限公司 | On-pole switch breaker and isolation knife integral type dependent power operating mechanism |
| CN110211826A (en) * | 2019-04-26 | 2019-09-06 | 新机电器有限公司 | Interlocking mechanism in on-load switch |
| CN111261433A (en) * | 2020-03-20 | 2020-06-09 | 无锡立成电器有限公司 | Three-station switch cabinet isolation operation mechanism |
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2021
- 2021-12-28 CN CN202111628588.1A patent/CN114388282A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0373018A1 (en) * | 1988-11-29 | 1990-06-13 | Telemecanique | Hand-operating mechanism for quick break for electric circuit breaker |
| EP1939903A1 (en) * | 2006-12-29 | 2008-07-02 | LS Industrial Systems Co., Ltd | Switching mechanism for air circuit breaker and toggle links thereof |
| CN201038039Y (en) * | 2007-04-17 | 2008-03-19 | 仪征市电瓷电器有限责任公司 | Separation switch transmission device with earthing switch |
| CN103515161A (en) * | 2013-09-24 | 2014-01-15 | 许继集团有限公司 | Spring operating mechanism |
| CN105405694A (en) * | 2015-12-03 | 2016-03-16 | 平高集团有限公司 | Interlocking device for circuit breaker and isolating switch |
| WO2018076455A1 (en) * | 2016-10-31 | 2018-05-03 | 国家电网公司 | Servo-drive isolation circuit breaker |
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| CN110211826A (en) * | 2019-04-26 | 2019-09-06 | 新机电器有限公司 | Interlocking mechanism in on-load switch |
| CN111261433A (en) * | 2020-03-20 | 2020-06-09 | 无锡立成电器有限公司 | Three-station switch cabinet isolation operation mechanism |
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