CN113571348A - Operating mechanism for pole-mounted circuit breaker with built-in isolating switch - Google Patents
Operating mechanism for pole-mounted circuit breaker with built-in isolating switch Download PDFInfo
- Publication number
- CN113571348A CN113571348A CN202110752884.6A CN202110752884A CN113571348A CN 113571348 A CN113571348 A CN 113571348A CN 202110752884 A CN202110752884 A CN 202110752884A CN 113571348 A CN113571348 A CN 113571348A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- assembly
- shaft
- switch
- manual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 48
- 238000004146 energy storage Methods 0.000 claims abstract description 234
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000033001 locomotion Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 229910000639 Spring steel Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
-
- 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"
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides an operating device for circuit breaker on post of built-in isolator, includes energy storage component, power component, switch module, output assembly, its characterized in that: the energy storage assembly is respectively connected with the power assembly, the switch assembly and the output assembly and is used for realizing energy storage based on the power assembly and energy storage release based on the switch assembly; the power assembly is connected with the energy storage assembly and used for driving the energy storage assembly to store energy in a manual or electric mode; the switch assembly is connected with the energy storage assembly and used for driving the energy storage assembly to execute energy storage release or continue energy storage in a manual or electric mode; the output assembly is connected with the energy storage assembly and used for driving the circuit breaker to realize the on-off operation in the process of releasing the stored energy by the energy storage assembly. The operating mechanism in the invention has the advantages of simple structure, convenient operation, good compatibility, safety, reliability and low cost.
Description
Technical Field
The present invention relates to an electromagnetic device, and more particularly, to an operating mechanism for a pole break incorporating a disconnector.
Background
At present, electric energy plays an indispensable role in daily production and life of people, and therefore guaranteeing safe operation of electric power is important. Isolation switches, load switches, circuit breakers and the like are important equipment for guaranteeing the electricity utilization safety of the power transmission line, but the switches are dispersed and independent individuals, need to be matched with each other in the power transmission line, and are poor in integration degree.
In the prior art, the pole-mounted circuit breaker is used as a circuit breaker installed and operated on a pole, and has the characteristics of strong breaking capacity, multiple continuous breaking times, frequent operation, low operation noise, safety, reliability and the like, and is widely applied. However, the control mechanism of the existing columnar circuit breaker generally has the problems of complex structure, difficult assembly, low universality, short service life, difficult state tracking and the like.
Therefore, a new operating mechanism for a pole break is needed.
Disclosure of Invention
In order to solve the defects in the prior art, the invention aims to provide an operating mechanism for a pole-mounted circuit breaker with a built-in isolating switch, which controls energy storage input and energy storage release of an energy storage spring in a manual mode and an electric mode, so that the on-off operation of the circuit breaker is realized based on the state of the energy storage spring.
The invention adopts the following technical scheme. The utility model provides an operating device for circuit breaker on post of built-in isolator, includes energy storage component, power component, switch module, output assembly, its characterized in that: the energy storage assembly is respectively connected with the power assembly, the switch assembly and the output assembly and is used for realizing energy storage based on the power assembly and energy storage release based on the switch assembly; the power assembly is connected with the energy storage assembly and used for driving the energy storage assembly to store energy in a manual or electric mode; the switch assembly is connected with the energy storage assembly and used for driving the energy storage assembly to execute energy storage release or continue energy storage in a manual or electric mode; and the output assembly is connected with the energy storage assembly and used for driving the circuit breaker to realize the on-off operation in the process of releasing the stored energy by the energy storage assembly.
Preferably, the energy storage assembly comprises an energy storage spring, a spring hanging plate, a spring hanging shaft and a large gear; the energy storage spring comprises a spring hanging plate, an energy storage spring steel wire, a spring hanging shaft, a spring hanging plate and a spring fixing plate, wherein one end of the spring hanging plate is provided with a plurality of round holes matched with the energy storage spring steel wire and used for penetrating through the spring steel wire, and the two ends of the spring hanging plate are respectively provided with round holes matched with the shaft and used for fixing the two ends of the energy storage spring on the spring hanging shaft and the energy storage shaft; the bull gear sets up on the energy storage axle to the power of transmission power subassembly is to the energy storage axle, thereby realizes the energy storage of energy storage spring.
The power assembly comprises a manual driving assembly, and the manual driving assembly comprises a manual driving shaft, a manual driving shaft reset torsion spring, a manual driving crank arm, a one-way bearing and a manual driving output gear shaft; the tail end of the manual driving shaft is fixedly provided with a crank arm, and the crank arm is provided with a long waist hole, is matched with a columnar structure on the manual driving crank arm and is used for driving the manual driving crank arm to move when receiving manual energy storage input; the manual driving crank arm is connected with the manual driving output gear shaft through a one-way bearing and is used for performing one-way rotation driving on the manual driving output gear shaft; a limiting pin column is fixed in the middle of the manual driving shaft, and a manual driving shaft reset torsion spring is installed between the crank arm and the limiting pin column and used for driving the manual driving shaft to reset after manual energy storage input is completed; and the middle part of the manual driving output gear shaft is provided with a gear which is meshed with a large gear in the energy storage assembly and transmits the power of the manual driving assembly to the energy storage assembly.
Preferably, the power assembly comprises an electric driving assembly, and the electric driving assembly comprises a motor, an electric driving gear and an electric driving gear shaft; wherein, the output end of the motor is provided with a gear to be meshed with the electric driving gear; the electric driving gear is arranged at the top end of the electric driving gear shaft and used for driving the electric driving gear shaft to axially rotate based on the electric driving gear; and the middle part of the electric driving gear shaft is provided with gear teeth which are used for being meshed with the large gear in the energy storage assembly to transmit the power of the electric driving assembly to the energy storage assembly.
Preferably, the switch assembly comprises a manual switch assembly, and the manual switch assembly comprises a manual switch main shaft, a manual switch auxiliary shaft, a switch shaft connecting rod and a switch shaft crank arm plate; the manual switch main shaft is connected with the manual switch auxiliary shaft through a switch shaft connecting rod and used for receiving manual opening and closing input; the switch shaft connecting rod comprises two hinge rotating pairs and is used for being connected with the manual switch main shaft and the manual switch auxiliary shaft respectively; and the switch shaft crank arm plate is respectively and fixedly connected with the manual switch main shaft and the manual switch auxiliary shaft and is used for driving the action contact of the opening and closing electromagnet so as to realize the opening and closing operation of the circuit breaker.
Preferably, the switch assembly further comprises a manual switch shaft return tension spring unit and a manual switch shaft return spring unit; the manual switch main shaft is also provided with a tension spring pull pin; and one end of the manual switch shaft reset tension spring unit and one end of the manual switch shaft reset spring unit are connected with a tension spring pull pin of the manual switch main shaft, and the manual switch shaft reset tension spring unit and the one end of the manual switch shaft reset spring unit are used for driving the manual switch shaft to reset after manual on-off input is completed.
Preferably, the switch assembly comprises an electric switch assembly, and the electric switch assembly comprises a switching-on and switching-off electromagnet; the opening and closing electromagnet comprises an opening electromagnet and a closing electromagnet which are fixedly arranged above the corresponding switch shaft crank arm plate respectively and is used for realizing the opening and closing operation of the circuit breaker based on the driving of opening and closing electric signals.
Preferably, the output assembly comprises a stored energy output assembly comprising a stored energy shaft, a cam, a holding pawl assembly, an output shaft assembly, and a main pull rod assembly; the energy storage shaft comprises a front section and a rear section, the front section and the rear section are not coaxial, one end of the energy storage shaft is connected with the energy storage assembly, and the other end of the energy storage shaft is fixedly provided with a cam and a retaining pawl assembly in sequence and used for rotating based on energy storage release of the energy storage unit; the cam is assembled on the energy storage shaft and synchronously rotates along with the energy storage shaft; the holding pawl assembly is used for keeping the closing state of the output shaft assembly; an output shaft assembly, one end rotatably coupled to the retention pawl assembly and the other end rotatably coupled to an end of the main pull rod assembly, for urging the pinwheel based on rotation of the cam to thereby drive the main pull rod assembly.
Preferably, the output assembly further comprises a circuit breaker main shaft connected to the other end of the main pull rod assembly for transmitting the movement of the main pull rod assembly into the circuit breaker.
Preferably, the operating mechanism for the pole break further comprises an indicating assembly for providing an indication of the stored energy state or the stored energy released state based on rotation of the stored energy shaft.
Preferably, the indicating assembly comprises an energy storage indicating bent plate, an energy storage indicating shaft, an energy storage connecting plate and an energy storage indicating shaft reset torsion spring; one end of the energy storage indicating bent plate is fixedly connected to the energy storage shaft, and the other end of the energy storage indicating bent plate is fixedly connected with the energy storage indicating shaft through an energy storage connecting lock plate; the energy storage indicating shaft is used for changing the position of the energy storage indicating shaft based on the rotation of the energy storage shaft, so that the mechanical indication of the energy storage state or the energy storage release state of the energy storage shaft is realized; the energy storage indicating shaft resetting torsion spring is arranged at one end of the energy storage indicating shaft and is used for resetting the energy storage indicating shaft together with the energy storage interlocking sheet after energy storage release is completed.
Preferably, the indicating assembly further comprises a microswitch for realizing electronic indication of the energy storage state or the energy storage release state of the energy storage shaft; the back side of the energy storage indication bent plate is provided with a switch transmission part used for pressing the micro switch based on the rotation of the energy storage shaft so as to control the on-off state of the micro switch.
Preferably, the operating mechanism for the pole-mounted circuit breaker further comprises an auxiliary switch assembly, wherein the auxiliary switch assembly comprises an auxiliary switch, an auxiliary switch clamp, an auxiliary switch connecting rod and an auxiliary switch connecting lever; the auxiliary switch is connected with the auxiliary switch crank arm through an auxiliary switch clamp and an auxiliary switch connecting rod; the auxiliary switch crank arm is arranged on the breaker main shaft and used for transmitting the rotation state of the breaker main shaft to the auxiliary switch; and the auxiliary switch is provided with a plurality of opening and closing contacts and is used for transmitting the opening and closing state of the circuit breaker to the secondary control circuit based on the opening and closing contacts.
Compared with the prior art, the operating mechanism for the pole-mounted circuit breaker with the built-in isolating switch has the advantages that the energy storage spring is driven to store energy through a manual mode and an electric mode, and the energy storage release of the energy storage spring is realized through the manual mode and the electric mode, so that the on-off operation of the circuit breaker is realized. The operating mechanism in the invention has the advantages of simple structure, convenient operation, good compatibility, safety, reliability and low cost.
The beneficial effects of the invention also include:
1. the manual driving assembly and the electric driving assembly are positioned on the same side of the energy storage spring, so that supporting assemblies such as an internal supporting plate and the like are saved, the structure of an operating mechanism is more compact, and the space is saved.
2. In the invention, the manual switch assembly can realize transmission of the manual switch auxiliary shaft based on control of the manual switch main shaft, so that the operation of the opening electromagnet and the closing electromagnet is respectively driven.
3. In the output assembly, the cam arranged on the energy storage shaft obtains larger kinetic energy, so that the motion of the main shaft of the circuit breaker is controlled more accurately and sensitively on the premise of less energy release.
4. Through setting up the indicating component, adopt electron and mechanical two kinds of modes to indicate energy storage and energy storage release state to the accuracy and the timeliness of mechanism energy storage state instruction have been ensured. Meanwhile, the working state of the circuit breaker is accurately transmitted to the secondary control loop through the auxiliary switch assembly, so that the secondary control loop synchronously and accurately acquires the working state of the on-column circuit breaker.
Drawings
FIG. 1 is a schematic view of the overall assembly structure of an operating mechanism for a pole break with a built-in isolating switch according to the present invention;
FIG. 2 is a schematic structural diagram of an energy storage assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention;
FIG. 3 is a schematic structural diagram of a manual driving assembly in an operating mechanism for a pole break apparatus with a built-in isolating switch according to the present invention;
FIG. 4 is a schematic structural diagram of an electric driving assembly in an operating mechanism for a pole break apparatus with a built-in isolating switch according to the present invention;
FIG. 5 is a schematic structural diagram of a switch assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention;
FIG. 6 is a schematic structural diagram of an energy storage output assembly of an operating mechanism for a pole break with a built-in isolating switch according to the present invention;
FIG. 7 is a schematic structural diagram of an indicating assembly of an operating mechanism for a pole break with a built-in isolating switch according to the present invention;
fig. 8 is a schematic structural diagram of an auxiliary switch assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention.
Reference numerals:
0-energy storage component, 01-energy storage spring, 02-spring hanging plate, 03-spring hanging shaft, 04-big gear, 1-manual driving component, 11-manual driving shaft, 12-manual driving shaft reset torsion spring, 13-manual driving crank arm, 14-single-phase bearing, 15-manual driving output gear shaft, 2-electric driving component, 21-motor, 22-electric driving gear, 23-electric driving gear shaft, 3-manual switch component, 31-manual switch main shaft, 32-manual switch auxiliary shaft, 33-switch shaft connecting rod, 34-switch shaft crank arm plate, 36-manual switch shaft reset tension spring unit, 37-manual switch shaft reset spring unit, 4-electric switch component and 41-opening and closing electromagnet, 5-energy storage output assembly, 51-energy storage shaft, 52-cam, 53-retaining pawl assembly, 531-end retaining pawl, 54-output shaft assembly, 541, 542-pin wheel, 55-main pull rod assembly, 6-indicating assembly, 61-energy storage indicating bent plate, 62-micro switch, 63-energy storage indicating shaft, 64-energy storage connecting locking plate, 65-energy storage indicating shaft reset torsion spring, 7-breaker main shaft, 8-auxiliary switch assembly, 81-auxiliary switch, 82-auxiliary switch clamp, 83-auxiliary switch connecting rod and 84-auxiliary switch crank arm.
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 schematic view of the overall assembly structure of an operating mechanism for a pole break with a built-in isolating switch according to the present invention. As shown in fig. 1, an operating mechanism for a pole break with a built-in isolating switch comprises an energy storage assembly, a power assembly, a switch assembly and an output assembly.
And the energy storage assembly 0 is respectively connected with the power assembly, the switch assembly and the output assembly 5 and is used for realizing energy storage based on the power assembly and realizing energy storage release based on the switch assembly. And the power assembly is connected with the energy storage assembly and used for driving the energy storage assembly to store energy in a manual or electric mode. And the switch assembly is connected with the energy storage assembly and used for driving the energy storage assembly to execute energy storage release or continue energy storage in a manual or electric mode. And the output assembly is connected with the energy storage assembly and used for driving the circuit breaker to realize the on-off operation in the process of releasing the stored energy by the energy storage assembly.
Fig. 2 is a schematic structural diagram of an energy storage assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention. Preferably, as shown in fig. 2, the energy storage assembly 0 includes an energy storage spring 01, a hanging spring plate 02, a hanging spring shaft 03 and a large gear 04; wherein, one end of the hanging spring plate 02 is provided with a plurality of round holes matched with the steel wires of the energy storage spring 01 and used for penetrating through the steel wires of the spring, and the two ends are respectively provided with round holes matched with the shaft and used for fixing the two ends of the energy storage spring 01 on the hanging spring shaft 03 and the energy storage shaft 51 respectively; the large gear 04 is disposed on the energy storage shaft 51 to transmit power of the power assembly to the energy storage shaft 51, thereby storing energy of the energy storage spring 01.
Fig. 3 is a schematic structural diagram of a manual driving assembly in an operating mechanism for a pole break apparatus with a built-in isolating switch according to the present invention. As shown in fig. 3, the power assembly includes a manual driving assembly 1, and the manual driving assembly 1 includes a manual driving shaft 11, a manual driving shaft return torsion spring 12, a manual driving crank arm 13, a single-phase bearing 14 and a manual driving output gear shaft 15.
The tail end of the manual driving shaft 11 is fixedly provided with a crank arm, and the crank arm is provided with a long waist hole which is matched with a columnar structure on the manual driving crank arm 13 and used for driving the manual driving crank arm 13 to move when receiving manual energy storage input. And the manual driving crank arm 13 is connected with a manual driving output gear shaft 15 through a single-phase bearing 14 and is used for carrying out single-phase rotation driving on the manual driving output gear shaft 15. And a limiting pin column is fixed in the middle of the manual driving shaft 11, and a manual driving shaft reset torsion spring 12 is installed between the crank arm and the limiting pin column and used for driving the manual driving shaft 11 to reset after manual energy storage input is completed. And the middle part of the manual driving output gear shaft 15 is provided with a gear to be meshed and connected with the large gear 04 in the energy storage assembly 0, and the power of the manual driving assembly is transmitted to the energy storage assembly 0.
As shown in fig. 3, after applying a manual energy storage input to the manual driving shaft 11, that is, manually rotating the manual driving shaft 11, and making a circular motion with the axis of the manual driving output gear shaft 15 as the shaft, the one-way bearing 14 will drive the manual driving output gear shaft 15 to rotate, so as to rotate the gear on the gear shaft 15, and drive the gear in the energy storage assembly engaged therewith to rotate and realize energy storage.
Specifically, the one-way bearing 14 can transmit only a unidirectional torque. Therefore, the one-way bearing 14 can be used for driving the manual driving output gear shaft 15 to rotate in one direction on one hand, and can also be used for realizing mutual switching of the manual driving assembly and the electric driving assembly when the energy storage assembly stores energy on the other hand. Because the unidirectional bearing has the characteristic of unidirectional torque transmission, the integral energy storage effect of the energy storage component 0 is not influenced in the switching process of the manual driving component and the electric driving component.
Fig. 4 is a schematic structural diagram of an electric driving assembly in an operating mechanism for a pole break apparatus with a built-in isolating switch according to the present invention. As shown in fig. 4, preferably, the power assembly includes an electric driving assembly 2 therein, and the electric driving assembly 2 includes a motor 21, an electric driving gear 22 and an electric driving gear shaft 23; wherein, a gear is arranged on the output end of the motor 21 to be meshed with the electric driving gear 22; the electric driving gear 22 is arranged at the top end of the electric driving gear shaft 23 and is used for driving the electric driving gear shaft 23 to axially rotate based on the electric driving gear 22; and the middle part of the electric driving gear shaft 23 is provided with gear teeth which are used for being meshed with the large gear 04 in the energy storage assembly 0 and transmitting the power of the electric driving assembly 2 to the energy storage assembly 0.
Fig. 5 is a schematic structural diagram of a switch assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention. As shown in fig. 5, the switch assembly includes a manual switch assembly 3, and the manual switch assembly 3 includes a manual switch main shaft 31, a manual switch auxiliary shaft 32, a switch shaft link 33, and a switch shaft crank arm plate 34.
The manual switch main shaft 31 is connected to the manual switch auxiliary shaft 32 through a switch shaft link 33, and is configured to receive a manual switching input.
The switch shaft connecting rod 33 comprises two hinge rotating pairs which are respectively connected with the manual switch main shaft 31 and the manual switch auxiliary shaft 32. And the switch shaft crank arm plate 34 is fixedly connected with the manual switch main shaft 31 and the manual switch auxiliary shaft 32 respectively and used for driving the action contact of the opening and closing electromagnet 41 so as to realize the opening and closing operation of the circuit breaker.
Preferably, the switch assembly further includes a manual switch shaft return tension spring unit 36 and a manual switch shaft return spring unit 37. The manual switch main shaft 31 is also provided with a tension spring pull pin. One end of the manual switch shaft return spring unit 36 and one end of the manual switch shaft return spring unit 37 are connected to a tension spring pull pin of the manual switch main shaft 31, and are used for driving the manual switch shaft 31 to return after the manual on-off input is completed.
As shown in fig. 5, the two electromagnets can move in different movement paths by the driving of the manual switch main shaft, so as to drive the energy storage spring to realize two operations of continuing energy storage and releasing energy storage.
As shown in fig. 5, preferably, the switch assembly includes an electric switch assembly 4, and the electric switch assembly 4 includes a switching-on/off electromagnet 41; the opening and closing electromagnet 41 includes an opening electromagnet and a closing electromagnet that are respectively fixed above the corresponding switch shaft crank arm plate 34, and is used for realizing the opening and closing operation of the circuit breaker based on the driving of the opening and closing electrical signal. Specifically, the movable contact can still be manually operated by the switch shaft crank arm plate 34 in the manual switch assembly 3 when the opening and closing electric signal is not obtained, so that the purpose of opening and closing the circuit breaker is realized.
Fig. 6 is a schematic structural diagram of an energy storage output assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention. As shown in fig. 6, the output assembly includes the stored energy output assembly 5, and the stored energy output assembly 5 includes a stored energy shaft 51, a cam 52, a holding pawl assembly 53, an output shaft assembly 54, and a main pull rod assembly 55.
The charging shaft 51 comprises a front section and a rear section, the two sections are not coaxial, one end of the charging shaft is connected with the charging assembly, and the other end of the charging shaft is fixedly provided with a cam 52 and a retaining latch assembly 53 in sequence and used for rotating based on charging release of the charging unit. The cam 52 is assembled on the energy storage shaft 51 and rotates synchronously with the energy storage shaft 51, when the energy storage assembly 0 releases energy, the energy storage shaft 51 is driven to rotate, the cam 52 obtains kinetic energy, and the cam 52 smashes the pin wheel 542 of the output shaft assembly 54 in the rotating process along with the energy storage shaft 51, so that the output shaft assembly 54 obtains a certain energy moment, and the energy of the energy storage assembly 0 is transmitted to the energy storage output assembly 5. A holding pawl assembly 53 having an end holding pawl 531 contacting with the pinwheel 542 of the output shaft assembly 54 for maintaining the closed state of the output shaft 51; the output shaft assembly 54, rotatably coupled to the retaining latch 53 at one end and to the main pull rod assembly 55 at the other end, is configured to drive the main pull rod assembly 55 by pushing the pin wheel 542 upon rotation of the cam 52.
Preferably, the output assembly further comprises a circuit breaker main shaft 7 connected to the other end of the main pull rod assembly 55 for transmitting the movement of the main pull rod assembly 55 into the circuit breaker.
Fig. 7 is a schematic structural diagram of an indicating assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention. As shown in fig. 7, the operating mechanism for the pole break further includes an indicating assembly 6, and the indicating assembly 6 is configured to provide an indication of the stored energy state or the stored energy release state based on the rotation of the stored energy shaft 51.
Preferably, the indicating assembly 6 comprises an energy storage indicating bent plate 61, an energy storage indicating shaft 63, an energy storage connecting plate 64 and an energy storage indicating shaft reset torsion spring 65.
One end of the energy storage indicating bent plate 61 is fixedly connected to the energy storage shaft 51, and the other end is fixedly connected with the energy storage indicating shaft 63 through an energy storage connecting lock plate 64; for changing the position of the charging indication shaft 63 based on the rotation of the charging shaft 51, thereby achieving the mechanical indication of the charging state or the charging release state of the charging shaft 51. And the energy storage indicating shaft resetting torsion spring 65 is arranged at one end of the energy storage indicating shaft 63 and is used for resetting the energy storage indicating shaft 63 together with the energy storage connecting lock sheet 64 after the energy storage release is finished.
Preferably, the indicating assembly 6 further comprises a microswitch 62 for realizing electronic indication of the energy storage state or the energy storage release state of the energy storage shaft 51; the back side of the energy storage indication bent plate 61 is provided with a switch transmission part for pressing the micro switch 62 based on the rotation of the energy storage shaft 51 so as to control the on-off state of the micro switch.
Specifically, as shown in fig. 7, since the energy storage indicating bent plate 61 and the micro switch 62 have a fixed distance therebetween, when the energy storage indicating bent plate 61 moves based on the rotation of the energy storage shaft 51, the switch transmission portion at the back thereof may contact or hit the micro switch 62. The microswitch switches the working state after receiving the contact of the energy storage indication bent plate 61 and the back switch transmission part.
The microswitch and the energy storage indicating bent plate can simultaneously realize state indication in an electronic mode and a mechanical mode, and improve the reliability of state indication.
Fig. 8 is a schematic structural diagram of an auxiliary switch assembly in an operating mechanism for a pole break with a built-in isolating switch according to the present invention. As shown in fig. 8, the operating mechanism for the pole break further includes an auxiliary switch assembly 8, and the auxiliary switch assembly 8 includes an auxiliary switch 81, an auxiliary switch clip 82, an auxiliary switch link 83, and an auxiliary switch crank arm 84; the auxiliary switch 81 is connected to an auxiliary switch crank arm 84 via an auxiliary switch clip 82 and an auxiliary switch link 83. The auxiliary switch crank arm 84 is provided on the breaker main shaft 7, and transmits a rotation state of the breaker main shaft 7 to the auxiliary switch 81. The auxiliary switch 81 has a plurality of opening/closing contacts, and transmits the opening/closing state of the circuit breaker to the secondary control circuit based on the opening/closing contacts.
Based on the auxiliary switch assembly, the operating mechanism can accurately transmit the state of the circuit breaker to a secondary circuit related to the circuit breaker in real time, so that the secondary circuit can timely acquire the state of the circuit breaker, and related functions of detection, control, regulation, protection and the like of the circuit breaker are achieved.
Compared with the prior art, the operating mechanism for the pole-mounted circuit breaker with the built-in isolating switch has the advantages that the energy storage spring is driven to store energy through a manual mode and an electric mode, and the energy storage release of the energy storage spring is realized through the manual mode and the electric mode, so that the on-off operation of the circuit breaker is realized. The operating mechanism in the invention has the advantages of simple structure, convenient operation, good compatibility, safety, reliability and low cost.
The beneficial effects of the invention also include:
1. the manual driving assembly and the electric driving assembly are positioned on the same side of the energy storage spring, so that supporting assemblies such as an internal supporting plate and the like are saved, the structure of an operating mechanism is more compact, and the space is saved.
2. In the invention, the manual switch assembly can realize transmission of the manual switch auxiliary shaft based on control of the manual switch main shaft, so that the operation of the opening electromagnet and the closing electromagnet is respectively driven.
3. In the output assembly, the cam arranged on the energy storage shaft obtains larger kinetic energy, so that the motion of the main shaft of the circuit breaker is controlled more accurately and sensitively on the premise of less energy release.
4. Through setting up the indicating component, adopt electron and mechanical two kinds of modes to indicate energy storage and energy storage release state to the accuracy and the timeliness of mechanism energy storage state instruction have been ensured. Meanwhile, the working state of the circuit breaker is accurately transmitted to the secondary control loop through the auxiliary switch assembly, so that the secondary control loop synchronously and accurately acquires the working state of the on-column circuit breaker.
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. The utility model provides an operating device for circuit breaker on post of built-in isolator, includes energy storage component, power component, switch module, output assembly, its characterized in that:
the energy storage assembly is respectively connected with the power assembly, the switch assembly and the output assembly and is used for realizing energy storage based on the power assembly and energy storage release based on the switch assembly;
the power assembly is connected with the energy storage assembly and used for driving the energy storage assembly to store energy in a manual or electric mode;
the switch assembly is connected with the energy storage assembly and used for driving the energy storage assembly to execute energy storage release or continue energy storage in a manual or electric mode;
the output assembly is connected with the energy storage assembly and used for driving the circuit breaker to realize the on-off operation in the process of releasing the stored energy by the energy storage assembly.
2. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the energy storage assembly (0) comprises an energy storage spring (01), a hanging spring plate (02), a hanging spring shaft (03) and a large gear (04);
wherein, one end of the hanging spring plate (02) is provided with a plurality of round holes matched with the steel wires of the energy storage spring (01) for penetrating through the steel wires of the spring, and the two ends are respectively provided with round holes matched with the shaft for respectively fixing the two ends of the energy storage spring (01) on the hanging spring shaft (03) and the energy storage shaft (51);
the large gear (04) is arranged on the energy storage shaft (51) to transmit the power of the power assembly to the energy storage shaft (51), so that the energy storage of the energy storage spring (01) is realized.
3. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the power assembly comprises a manual driving assembly (1), and the manual driving assembly (1) comprises a manual driving shaft (11), a manual driving shaft reset torsion spring (12), a manual driving crank arm (13), a one-way bearing (14) and a manual driving output gear shaft (15);
the tail end of the manual driving shaft (11) is fixedly provided with a crank arm, a long waist hole is formed in the crank arm, the crank arm is matched with a columnar structure on the manual driving crank arm (13), and the crank arm is used for driving the manual driving crank arm (13) to move when manual energy storage input is received;
the manual driving crank arm (13) is connected with the manual driving output gear shaft (15) through the one-way bearing (14) and is used for driving the manual driving output gear shaft (15) to rotate in one direction;
a limiting pin column is fixed in the middle of the manual driving shaft (11), and a manual driving shaft reset torsion spring (12) is installed between the crank arm and the limiting pin column and used for driving the manual driving shaft (11) to reset after manual energy storage input is completed;
and the middle part of the manual driving output gear shaft (15) is provided with a gear to be meshed with a large gear (04) in the energy storage assembly (0), and the power of the manual driving assembly (1) is transmitted to the energy storage assembly (0).
4. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the power assembly comprises an electric driving assembly (2), and the electric driving assembly (2) comprises a motor (21), an electric driving gear (22) and an electric driving gear shaft (23);
wherein a gear is arranged on the output end of the motor (21) to be meshed with the electric driving gear (22);
the electric drive gear (22) is arranged at the top end of the electric drive gear shaft (23) and is used for driving the electric drive gear shaft (23) to axially rotate based on the electric drive gear (22);
and the middle part of the electric driving gear shaft (23) is provided with gear teeth which are used for being meshed with the large gear (04) in the energy storage assembly (0) to transmit the power of the electric driving assembly (2) to the energy storage assembly (0).
5. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the switch assembly comprises a manual switch assembly (3), and the manual switch assembly (3) comprises a manual switch main shaft (31), a manual switch auxiliary shaft (32), a switch shaft connecting rod (33) and a switch shaft crank arm plate (34);
the manual switch main shaft (31) is connected with the manual switch auxiliary shaft (32) through the switch shaft connecting rod (33) and used for receiving manual opening and closing input;
the switch shaft connecting rod (33) comprises two hinge rotating pairs which are respectively connected with the manual switch main shaft (31) and the manual switch auxiliary shaft (32);
the switch shaft crank arm plate (34) is respectively and fixedly connected with the manual switch main shaft (31) and the manual switch auxiliary shaft (32) and used for driving an action contact of the opening and closing electromagnet (41) to realize opening and closing operations of the circuit breaker.
Preferably, the switch assembly further comprises a manual switch shaft return tension spring unit (36) and a manual switch shaft return spring unit (37);
the manual switch main shaft (31) is also provided with a tension spring pull pin;
one end of the manual switch shaft reset tension spring unit (36) and one end of the manual switch shaft reset spring unit (37) are connected with a tension spring pull pin of the manual switch main shaft (31) and used for driving the manual switch shaft (31) to reset after manual opening and closing input is completed.
6. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the switch assembly comprises an electric switch assembly (4), and the electric switch assembly (4) comprises a switching-on and switching-off electromagnet (41);
the opening and closing electromagnet (41) comprises an opening electromagnet and a closing electromagnet which are fixedly arranged above the corresponding switch shaft crank arm plate (34) respectively and is used for realizing the opening and closing operation of the circuit breaker based on the driving of an opening and closing electric signal.
7. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the output assembly comprises a stored energy output assembly (5), the stored energy output assembly (5) comprises a stored energy shaft (51), a cam (52), a retaining pawl assembly (53), an output shaft assembly (54) and a main pull rod assembly (55);
the energy storage shaft (51) comprises a front section and a rear section, the two sections are not coaxial, one end of the energy storage shaft is connected with the energy storage assembly, and the other end of the energy storage shaft is fixedly provided with a cam (52) and a retaining latch assembly (53) in sequence and used for rotating based on energy storage release of the energy storage unit;
the cam (52) is assembled on the energy storage shaft (51) and synchronously rotates along with the energy storage shaft (51);
the holding latch assembly (53) is used for keeping the closing state of the output shaft assembly (54);
the output shaft assembly (54), rotatably coupled to the retention latch assembly (53) at one end and to the main pull rod assembly (55) at an opposite end, is configured to push a pin wheel (542) upon rotation of the cam (52) to thereby drive the main pull rod assembly (55).
8. The operating mechanism for a pole break with a built-in disconnector according to claim 7, wherein:
the output assembly further comprises a circuit breaker main shaft (7) connected with the other end of the main pull rod assembly (55) and used for transmitting the movement of the main pull rod assembly (55) to the circuit breaker.
9. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the operating mechanism for the pole top breaker further comprises an indicating assembly (6), wherein the indicating assembly (6) is used for providing an indication of an energy storage state or an energy storage release state based on the rotation of the energy storage shaft (51);
preferably, the indicating assembly (6) comprises an energy storage indicating bent plate (61), an energy storage indicating shaft (63), an energy storage connecting lock plate (64) and an energy storage indicating shaft reset torsion spring (65);
one end of the energy storage indicating bent plate (61) is fixedly connected to the energy storage shaft (51), and the other end of the energy storage indicating bent plate is fixedly connected with the energy storage indicating shaft (63) through the energy storage connecting lock plate (64); the energy storage indicating shaft (63) is used for changing the position of the energy storage indicating shaft (63) based on the rotation of the energy storage shaft (51), so that the mechanical indication of the energy storage state or the energy storage release state of the energy storage shaft (51) is realized;
the energy storage indicating shaft resetting torsion spring (65) is arranged at one end of the energy storage indicating shaft (63) and is used for resetting the energy storage indicating shaft (63) together with the energy storage connecting lock sheet (64) after energy storage release is finished;
preferably, the indicating assembly (6) further comprises a microswitch (62) for realizing electronic indication of the energy storage state or the energy storage release state of the energy storage shaft (51);
the back side of the energy storage indication bent plate (61) is provided with a switch transmission part which is used for pressing the microswitch (62) based on the rotation of the energy storage shaft (51) so as to control the on-off state of the microswitch.
10. The operating mechanism for a pole break with a built-in disconnector according to claim 1, wherein:
the operating mechanism for the pole-mounted circuit breaker further comprises an auxiliary switch assembly (8), wherein the auxiliary switch assembly (8) comprises an auxiliary switch (81), an auxiliary switch clamp (82), an auxiliary switch connecting rod (83) and an auxiliary switch crank arm (84);
wherein the auxiliary switch (81) is connected with the auxiliary switch crank arm (84) through the auxiliary switch clamp (82) and the auxiliary switch connecting rod (83);
the auxiliary switch crank arm is arranged on the breaker main shaft (7) and is used for transmitting the rotation state of the breaker main shaft (7) to the auxiliary switch (7);
and the auxiliary switch (81) is provided with a plurality of opening and closing contacts and is used for transmitting the opening and closing state of the circuit breaker to the secondary control circuit based on the opening and closing contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752884.6A CN113571348B (en) | 2021-07-02 | 2021-07-02 | Operating mechanism for pole-mounted circuit breaker with built-in isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110752884.6A CN113571348B (en) | 2021-07-02 | 2021-07-02 | Operating mechanism for pole-mounted circuit breaker with built-in isolating switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113571348A true CN113571348A (en) | 2021-10-29 |
| CN113571348B CN113571348B (en) | 2024-05-10 |
Family
ID=78163558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110752884.6A Active CN113571348B (en) | 2021-07-02 | 2021-07-02 | Operating mechanism for pole-mounted circuit breaker with built-in isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113571348B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004152689A (en) * | 2002-10-31 | 2004-05-27 | Terasaki Electric Co Ltd | Electric operation device of circuit breaker |
| CN201975327U (en) * | 2011-01-07 | 2011-09-14 | 无锡市锡山湖光电器有限公司 | Manual tripping and automatic reset device for vacuum feed switch |
| CN202423103U (en) * | 2012-01-11 | 2012-09-05 | 安徽龙波电气有限公司 | Vacuum circuit breaker and manual energy storing device thereof |
| CN107768155A (en) * | 2017-10-29 | 2018-03-06 | 默飓电气有限公司 | A kind of breaker operation mechanism |
| CN207082444U (en) * | 2017-08-15 | 2018-03-09 | 苏州科陆东自电气有限公司 | A kind of closing by hand device |
| CN107968017A (en) * | 2017-12-06 | 2018-04-27 | 陕西宇光电气有限公司 | A kind of spring operating mechanism for breaker |
| CN207651411U (en) * | 2017-12-29 | 2018-07-24 | 贝司特电气有限公司 | A kind of spring actuating mechanism of vacuum circuit-breaker |
| CN207800486U (en) * | 2018-01-30 | 2018-08-31 | 厦门华泰利机电有限公司 | Manual and electric integral vacuum breaker energy storage driving mechanism |
| CN208433344U (en) * | 2018-08-28 | 2019-01-25 | 浙江巨力电气有限公司 | A kind of manual energy storing device and its a kind of breaker of breaker |
| CN208970456U (en) * | 2018-10-30 | 2019-06-11 | 乐清市邦力电气有限公司 | A kind of on/off switch operating system of breaker mechanism |
| CN111009444A (en) * | 2019-12-17 | 2020-04-14 | 江苏南瑞帕威尔电气有限公司 | Automatic and manual dual-purpose energy storage mechanism of vacuum circuit breaker |
| CN111540638A (en) * | 2020-06-04 | 2020-08-14 | 温州隆森电气有限公司 | Operating system |
| CN112216550A (en) * | 2020-10-09 | 2021-01-12 | 南京四方致捷开关有限公司 | Pole-mounted circuit breaker with built-in isolating switch |
| CN212648156U (en) * | 2020-08-05 | 2021-03-02 | 江苏华唐电器有限公司 | Breaker device for wind power gas-filled switch |
| CN114937572A (en) * | 2022-07-25 | 2022-08-23 | 江苏华唐电器有限公司 | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above |
-
2021
- 2021-07-02 CN CN202110752884.6A patent/CN113571348B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004152689A (en) * | 2002-10-31 | 2004-05-27 | Terasaki Electric Co Ltd | Electric operation device of circuit breaker |
| CN201975327U (en) * | 2011-01-07 | 2011-09-14 | 无锡市锡山湖光电器有限公司 | Manual tripping and automatic reset device for vacuum feed switch |
| CN202423103U (en) * | 2012-01-11 | 2012-09-05 | 安徽龙波电气有限公司 | Vacuum circuit breaker and manual energy storing device thereof |
| CN207082444U (en) * | 2017-08-15 | 2018-03-09 | 苏州科陆东自电气有限公司 | A kind of closing by hand device |
| CN107768155A (en) * | 2017-10-29 | 2018-03-06 | 默飓电气有限公司 | A kind of breaker operation mechanism |
| CN107968017A (en) * | 2017-12-06 | 2018-04-27 | 陕西宇光电气有限公司 | A kind of spring operating mechanism for breaker |
| CN207651411U (en) * | 2017-12-29 | 2018-07-24 | 贝司特电气有限公司 | A kind of spring actuating mechanism of vacuum circuit-breaker |
| CN207800486U (en) * | 2018-01-30 | 2018-08-31 | 厦门华泰利机电有限公司 | Manual and electric integral vacuum breaker energy storage driving mechanism |
| CN208433344U (en) * | 2018-08-28 | 2019-01-25 | 浙江巨力电气有限公司 | A kind of manual energy storing device and its a kind of breaker of breaker |
| CN208970456U (en) * | 2018-10-30 | 2019-06-11 | 乐清市邦力电气有限公司 | A kind of on/off switch operating system of breaker mechanism |
| CN111009444A (en) * | 2019-12-17 | 2020-04-14 | 江苏南瑞帕威尔电气有限公司 | Automatic and manual dual-purpose energy storage mechanism of vacuum circuit breaker |
| CN111540638A (en) * | 2020-06-04 | 2020-08-14 | 温州隆森电气有限公司 | Operating system |
| CN212648156U (en) * | 2020-08-05 | 2021-03-02 | 江苏华唐电器有限公司 | Breaker device for wind power gas-filled switch |
| CN112216550A (en) * | 2020-10-09 | 2021-01-12 | 南京四方致捷开关有限公司 | Pole-mounted circuit breaker with built-in isolating switch |
| CN114937572A (en) * | 2022-07-25 | 2022-08-23 | 江苏华唐电器有限公司 | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113571348B (en) | 2024-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545971C (en) | Automatic transfer switching electric appliance | |
| CN101540244B (en) | Tripping device | |
| CN113571348B (en) | Operating mechanism for pole-mounted circuit breaker with built-in isolating switch | |
| CN2777745Y (en) | Operating mechanism for small circuit breaker | |
| CN110993383B (en) | Three-station operating device for load switch | |
| CN104701039A (en) | Spring operating mechanism | |
| CN218957657U (en) | Operating device for circuit breaker | |
| CN114388281B (en) | Circuit breaker and grounding switch linkage mechanism for ring main unit | |
| CN113675777B (en) | Intelligent locking error-preventing device and error-preventing ring main unit | |
| CN216562977U (en) | Automatic reclosing miniature circuit breaker | |
| CN2355423Y (en) | Outdoor vacuum switches with isolating knives | |
| CN204360941U (en) | A kind of spring operating mechanism | |
| CN209880415U (en) | Closing tripping structure of power switching mechanism | |
| CN114038708A (en) | Single-phase circuit breaker transmission mechanism and operating mechanism with same | |
| CN207966851U (en) | A kind of vacuum circuit breaker operating mechanism | |
| CN208570497U (en) | A kind of breaker energy storage lever | |
| CN210378944U (en) | Switch operating mechanism of gas-filled cabinet breaker | |
| CN201387840Y (en) | Spring operating mechanism for miniature vacuum load switch or vacuum circuit breaker | |
| CN205159205U (en) | Side installation way high pressure vacuum circuit breaker operating mechanism | |
| CN206877941U (en) | Miniature circuit breaker | |
| CN211529897U (en) | Novel circuit breaker mechanism | |
| CN209249379U (en) | A kind of vacuum circuit breaker closing operation component | |
| CN114388282A (en) | Operating mechanism for on-column circuit breaker of environment-friendly built-in isolating switch | |
| CN211788780U (en) | Load switch three-station mechanism with brake separating tripping function | |
| CN215680580U (en) | Spring energy storage mechanism integrating manual operation and electric operation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |