CN109119284B - Column switch breaker and integrated power operating mechanism for isolating knife - Google Patents
Column switch breaker and integrated power operating mechanism for isolating knife Download PDFInfo
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- CN109119284B CN109119284B CN201811001643.2A CN201811001643A CN109119284B CN 109119284 B CN109119284 B CN 109119284B CN 201811001643 A CN201811001643 A CN 201811001643A CN 109119284 B CN109119284 B CN 109119284B
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- breaker
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- circuit breaker
- torsion
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- 230000007246 mechanism Effects 0.000 title claims abstract description 72
- 238000002955 isolation Methods 0.000 claims abstract description 83
- 238000004146 energy storage Methods 0.000 claims abstract description 57
- 238000009434 installation Methods 0.000 claims abstract description 7
- 210000000078 claw Anatomy 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000000750 progressive effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- 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
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/40—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- 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
- H01H33/02—Details
- H01H33/46—Interlocking mechanisms
- H01H33/52—Interlocking mechanisms for interlocking two or more switches
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses an integrated power operating mechanism for a pole-mounted switch breaker and an isolating knife, which comprises a front panel and a rear panel, wherein a component mounting cavity is formed between the front panel and the rear panel, and an isolating power mechanism for controlling the isolating knife to be connected with or disconnected from the component mounting cavity, a breaker power mechanism for controlling the on-off of the breaker and a breaker closing energy storage mechanism for closing and energy storage of the breaker are arranged in the component mounting cavity; the isolation power mechanism controls the isolation knife and the switch, and the breaker power mechanism controls the on and off of the breaker, so that the isolation knife and the switch can be independently operated and interlocked with each other, and the working reliability is high; when the breaker is in a closing state, the isolating knife is automatically locked and cannot be operated, so that the overall safety performance is greatly improved; the integrated structure design of the isolation power mechanism and the breaker power mechanism is integrated, the integrated volume is smaller, the structure is simple, and the installation is convenient.
Description
Technical Field
The invention belongs to the technical field of pole-mounted switches, and particularly relates to an integral power operating mechanism for a pole-mounted switch breaker and an isolating knife.
Background
At present, an outdoor pole switch is mainly ZW32 type, ZW20 type and FZW type, wherein the ZW32 type and the ZW20 type are outdoor pole breakers, and isolation knives are arranged externally; FZW28 the type is an outdoor load switch, and the isolating knife is arranged inside. The pole switch belongs to primary equipment in the power distribution network, directly acts on the power transmission line, and is also provided with monitoring equipment, control equipment and the like, and the equipment is called secondary equipment in order to enable the power distribution network to work better. Although the primary equipment and the secondary equipment are combined to function, intelligent power distribution can be realized through modern technology, interfaces among the equipment are not matched, compatibility, expansibility and interchangeability are poor, and the complete intelligent power distribution is difficult to realize. Therefore, in order to respond to the work of 'thirteen five' distribution automation construction application, a novel pole-mounted switch integrating power distribution secondary equipment is developed.
However, the circuit breaker mechanism and the disconnecting switch in the conventional pole-mounted switch equipment need to be controlled respectively, so that a power source operating device for the circuit breaker and the disconnecting switch needs to be developed for the novel pole-mounted switch.
Disclosure of Invention
The invention aims to provide an integrated power operating mechanism for a pole-mounted switch circuit breaker and an isolating knife, which is applied to the novel pole-mounted switch integrated with power distribution secondary equipment, so that independent or simultaneous power supply for the actions of the circuit breaker and the isolating knife is realized; the technical scheme adopted for achieving the purpose is as follows:
the column switch circuit breaker and the isolation knife integrated power operating mechanism comprises a front panel and a rear panel, a component mounting cavity is formed between the front panel and the rear panel, and an isolation power mechanism for controlling the isolation knife to be connected with and disconnected from the column switch circuit breaker, a circuit breaker power mechanism for controlling the circuit breaker to be connected with and disconnected from the column switch circuit breaker and a circuit breaker switch-on energy storage mechanism for storing the switch-on energy of the circuit breaker are arranged in the component mounting cavity;
the isolation power mechanism comprises an isolation switch torsion column and an isolation main shaft, wherein two ends of the isolation main shaft are respectively connected with a front panel and a rear panel in a rotating way, a first isolation swing arm and a second isolation swing arm are fixed on the isolation main shaft, an isolation transmission arm is fixed on the isolation switch torsion column, a strip-shaped sliding groove is arranged on the isolation transmission arm, an isolation sliding shaft is connected in a sliding way in the strip-shaped sliding groove, the isolation sliding shaft is fixedly connected with the first isolation swing arm, an isolation connecting column is connected in a component mounting cavity in a rotating way, a perforation is arranged on the isolation connecting column, an isolation guide column is connected in the perforation in a sliding way, the tail end of the isolation guide column is hinged with the second isolation swing arm, and an isolation energy storage pressure spring is sleeved on the isolation guide column;
the breaker power mechanism comprises a breaker opening energy storage mechanism and a breaker main shaft, wherein two ends of the breaker main shaft are respectively connected with a front panel and a rear panel in a rotating way, a three-jaw crank arm is fixed on the breaker main shaft and comprises a first extending claw, a second extending claw and a third extending claw, a breaker guide post is hinged on the first extending claw, a breaker limit sleeve is fixed in a component mounting cavity, the breaker guide post is positioned in the breaker limit sleeve and is in sliding connection with the breaker limit sleeve, and a breaker opening energy storage pressure spring is sleeved on the breaker guide post;
the breaker opening energy storage mechanism comprises a breaker opening detent and a breaker opening torsion column, the breaker opening detent and the breaker opening torsion column are both rotationally connected with the front panel and the rear panel, the breaker opening detent comprises a first opening swing arm and a second opening swing arm, when the three-claw turning arm rotates, the second extending claw pushes the first opening swing arm to rotate so that the second opening swing arm is lapped on the breaker opening torsion column to complete breaker closing and breaker opening energy storage, and when the breaker opening torsion column rotates, the second opening swing arm is separated from the breaker opening torsion column to complete breaker opening;
the breaker closing energy storage mechanism comprises an energy storage unit and a cam, wherein the cam is driven to rotate when the energy storage unit releases mechanical energy, and the cam rotates to push the third extending claw to rotate in the process of pushing the third extending claw to drive the breaker main shaft to rotate so as to complete breaker closing and breaker opening energy storage.
Preferably, a locking mechanism is arranged between the isolation power mechanism and the breaker power mechanism, the locking mechanism comprises a locking crank arm fixed on a main shaft of the breaker, and a locking plate is fixed on the locking crank arm; when the main shaft of the circuit breaker rotates to switch on the circuit breaker, the locking crank arm rotates towards the direction of the isolating main shaft, so that the interlocking plate clamps the first isolating swing arm; when the main shaft of the circuit breaker reversely rotates to switch off the circuit breaker, the locking crank arm reversely rotates, so that the interlocking plate is separated from the first isolation swing arm.
Preferably, the energy storage unit comprises a breaker closing latch, a breaker closing torsion column, a transmission mechanism and a cam; the driving mechanism comprises a driving rotating shaft and a driven rotating shaft, two ends of the driving rotating shaft and two ends of the driven rotating shaft are respectively connected with a front panel and a rear panel in a rotating mode, the cam is fixed on the driven rotating shaft, a driving pinion is fixed on the driving rotating shaft, a driven large gear meshed with the driving pinion is fixed on the driven rotating shaft, a round wheel is rotationally connected on the driven rotating shaft, a circumferential progressive opening is formed in the circumferential edge of the round wheel, a jack post is fixed on the round wheel, a clutch crank arm is fixed on the driven large gear, a clutch post is fixed in a component mounting cavity beside the driven large gear, an energy storage crank arm is rotationally connected on the driven rotating shaft, and a breaker closing energy storage tension spring is connected on the energy storage crank arm; when the driven large gear rotates, the clutch crank arm is propped against the circumferential progressive opening to push the round wheel to rotate until the jacking column is propped against the bottom of the breaker closing pawl, so that the top of the breaker closing pawl is lapped on the breaker closing torsion column to finish breaker closing energy storage, when the breaker closing torsion column rotates, the breaker closing pawl is separated from the breaker closing torsion column, and the third extending claw is pushed to rotate in the cam rotating process so as to drive the breaker main shaft to rotate to finish breaker closing and breaker opening energy storage.
Preferably, torsion springs are respectively sleeved on the breaker closing torsion column and the breaker opening torsion column, a breaker closing pulling piece is fixed on the breaker closing torsion column, a breaker opening pulling piece is fixed on the breaker opening torsion column, a breaker opening Guan Niuzhu is installed in the component installation cavity, a pulling arm is fixed on the breaker opening torsion column, and when the breaker opening torsion column is twisted positively and negatively, the pulling arm pulls the breaker closing pulling piece or the breaker opening pulling piece to rotate.
Preferably, the rotation of the driving rotating shaft is performed by a manual or servo motor to provide a power source; the rotation of the breaker switch torsion column is performed through a manual or electric release to provide a power source.
Preferably, a brake-separating limiting swing arm is fixed on a brake-separating pawl of the circuit breaker, and a brake-separating limiting column which is matched with the brake-separating limiting swing arm is installed in the component installation cavity.
Preferably, the forward and reverse torsion range of the isolating switch torsion column is 45 degrees, the forward and reverse torsion range of the second isolating swing arm is driven to be 90 degrees, and the second isolating swing arm spans the connecting line position between the connecting column and the isolating main shaft during forward and reverse torsion.
The invention has the beneficial effects that: the isolation power mechanism controls the isolation knife and the switch, and the breaker power mechanism controls the on and off of the breaker, so that the isolation knife and the switch can be independently operated and interlocked with each other, and the working reliability is high; when the breaker is in a closing state, the isolating knife is automatically locked and cannot be operated, so that the overall safety performance is greatly improved; the isolation power mechanism and the breaker power mechanism are integrally designed, so that the isolation power mechanism is small in overall size, simple in structure and convenient to install; the pole-mounted switch circuit breaker and the isolating knife are independently or simultaneously provided with a power source, and the isolating knife is provided with an integrated power operating mechanism.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a rear view of FIG. 1;
FIG. 3 is a schematic structural view of a locking mechanism;
fig. 4 is a schematic structural view of a three-jaw lever.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 4, the invention comprises a front panel (not shown in the figure) and a rear panel 13, wherein a component mounting chamber is formed between the front panel and the rear panel 13, and an isolating power mechanism for controlling the isolating blade to be opened and closed, a circuit breaker power mechanism for controlling the circuit breaker to be opened and closed and a circuit breaker closing energy storage mechanism for storing the closing energy of the circuit breaker are arranged in the component mounting chamber;
the isolation power mechanism comprises an isolation switch torsion column 1 and an isolation main shaft 7, wherein two ends of the isolation main shaft 7 are respectively connected with a front panel and a rear panel 13 in a rotating way, a first isolation swing arm 8 and a second isolation swing arm 6 are fixed on the isolation main shaft 7, an isolation driving arm 36 is fixed on the isolation switch torsion column 1, a strip-shaped sliding groove 9 is arranged on the isolation driving arm 36, an isolation sliding shaft 5 is slidingly connected in the strip-shaped sliding groove 9, the isolation sliding shaft 5 is fixedly connected with the first isolation swing arm 8, an isolation connecting column 2 is rotationally connected in a component mounting cavity, a perforation is arranged on the isolation connecting column 2, an isolation guide column 3 is slidingly connected in the perforation, the tail end of the isolation guide column 3 is hinged with the second isolation swing arm 6, and an isolation pressure spring 4 is sleeved on the isolation guide column 3;
the breaker power mechanism comprises a breaker opening energy storage mechanism and a breaker main shaft 34, two ends of the breaker main shaft 34 are respectively connected with a front panel and a rear panel 13 in a rotating way, a three-jaw crank arm is fixed on the breaker main shaft 34 and comprises a first extending claw 35, a second extending claw 29 and a third extending claw 30, a breaker guide post 11 is hinged on the first extending claw 35, a breaker limit sleeve 12 is fixed in a component mounting cavity, the breaker guide post 11 is positioned in the breaker limit sleeve 12 and is in sliding connection with the breaker limit sleeve 12, and a breaker opening energy storage pressure spring 10 is sleeved on the breaker guide post 11;
the breaker opening energy storage mechanism comprises a breaker opening detent 14 and a breaker opening torsion column 15, the breaker opening detent 14 and the breaker opening torsion column 15 are both rotationally connected with the front panel and the rear panel 13, the breaker opening detent 14 comprises a first opening swing arm 44 and a second opening swing arm 43, when the three-jaw crank arm rotates, the second extending claw 29 pushes the first opening swing arm 44 to rotate so that the second opening swing arm 43 is lapped on the breaker opening torsion column 15 to complete breaker closing and breaker opening energy storage, when the breaker opening torsion column 15 rotates, the second opening swing arm 43 is separated from the breaker opening torsion column 15, and the three-jaw crank arm rotates reversely to complete breaker opening;
the breaker closing energy storage mechanism comprises an energy storage unit and a cam, wherein the cam is driven to rotate when the energy storage unit releases mechanical energy, and the cam rotates to push the third extending claw to rotate in the process of pushing the third extending claw to drive the breaker main shaft to rotate so as to complete breaker closing and breaker opening energy storage.
In order to realize that the isolating knife is locked with the switch to meet the requirement of working safety after the breaker is switched on, a locking mechanism is arranged between the isolating power mechanism and the breaker power mechanism and comprises a locking crank arm 39 fixed on a main shaft 34 of the breaker, and a locking plate 40 is fixed on the locking crank arm 39; when the main shaft 34 of the circuit breaker rotates to switch on the circuit breaker, the locking crank arm 39 rotates towards the direction of the isolating main shaft 7, so that the interlocking plate 40 clamps the first isolating swing arm 8, and the isolating knife in the separated state or the closed state is locked; when the breaker spindle 34 rotates in the reverse direction to perform breaker opening, the locking crank arm 39 rotates in the reverse direction, so that the interlock plate 40 is disengaged from the first isolation swing arm 8 to thereby unlock.
The breaker closing energy storage mechanism can adopt an existing closing energy storage mechanism of a pole-mounted switch or other existing energy storage mechanisms, and in the embodiment, the energy storage unit comprises a breaker closing latch 21, a breaker closing torsion pole 20, a transmission mechanism and a cam; the transmission mechanism comprises a driving rotating shaft 33 and a driven rotating shaft 22, wherein two ends of the driving rotating shaft 33 and the driven rotating shaft 22 are respectively and rotatably connected with a front panel and a rear panel 13, a cam is fixed on the driven rotating shaft 22 (which is shielded by a driven large gear 27, not shown), a driving small gear 32 is fixed on the driving rotating shaft 33, a driven large gear 27 meshed with the driving small gear 22 (an intermediate transition gear 31 can be meshed between the driving small gear 22 and the driven large gear 27) is fixed on the driven rotating shaft 22, a round wheel 28 is rotatably connected on the driven rotating shaft 22, a circumferential progressive opening 24 is arranged on the circumferential edge of the round wheel 28, a 23 jacking column is fixed on the round wheel 28, a clutch crank arm 25 is rotatably connected on the driven large gear 27, the clutch crank arm 25 is tightly attached to the circumferential edge of the round wheel 28 under the action of a torsion spring, a clutch column 26 is fixed in a component mounting cavity beside the driven large gear 27, an energy storage crank arm 37 is fixed on the driven rotating shaft 22, and a breaker closing energy storage tension spring 38 is connected on the energy storage crank arm 37; when the driven large gear 27 rotates, the clutch crank arm 25 props against the circumferential progressive opening 24 to push the round wheel 28 to rotate until the jacking column 23 props against the bottom of the breaker closing pawl 21 to rotate the breaker closing pawl 21, so that the top lap joint is on the breaker closing torsion column 20 to finish breaker closing energy storage, when the breaker closing torsion column 20 rotates, the breaker closing pawl 21 is separated from the breaker closing torsion column 20, and the third extension claw 30 is pushed to rotate in the cam rotation process to drive the breaker main shaft 34 to rotate to finish breaker closing and breaker opening energy storage.
For circuit breaker closing and opening operation convenient and fast, all cover and be equipped with the torsional spring on circuit breaker closing torsion bar 20 and circuit breaker opening torsion bar 15, be fixed with circuit breaker closing plectrum 45 on circuit breaker closing torsion bar 20, be fixed with circuit breaker opening plectrum 17 on circuit breaker opening torsion bar 15, install circuit breaker switch torsion bar 18 in the part installation cavity, be fixed with the arm 16 on circuit breaker switch torsion bar 18, when positive and negative torsion circuit breaker switch torsion bar 18, the arm 16 stirs circuit breaker closing plectrum 45 or circuit breaker opening plectrum 17 rotation, can also change the rotation direction that arm 16 was stirred circuit breaker closing plectrum 45 in order to overall structure's overall arrangement between arm 16 and circuit breaker closing plectrum 45.
In order to realize intelligent automatic control, the rotation of the driving rotating shaft 33 is provided with a power source through a manual or servo motor; the rotation of the breaker switch torsion bar 18 may also be powered by a manual or electric release.
In order to ensure that the breaker opening latch 14 rotates beyond the range during opening of the breaker, an opening limiting swing arm 42 is fixed on the breaker opening latch 14, and an opening limiting post (not shown in the figure) which cooperates with the opening limiting swing arm 42 is installed in the component installation chamber.
Preferably, the forward and reverse torsion range of the isolating switch torsion column 1 is 45 degrees, the forward and reverse torsion range of the second isolating swing arm 6 and the isolating spindle 7 is driven, and the second isolating swing arm 6 spans the connecting line position between the connecting column 2 and the isolating spindle 7 during forward and reverse torsion, namely, the locking effect of the isolating spindle 7 is realized by the centering action.
When the invention works, firstly, the isolating main shaft 7 is connected with the isolating knife power shaft, and the breaker main shaft 34 is connected with the breaker power shaft;
when the on-column switch needs to be switched on, the isolating knife is switched on first and then the circuit breaker is switched on again, the isolating switch torsion column is rotated anticlockwise for 1 to 45 degrees, the isolating main shaft 7 is driven to rotate clockwise for 90 degrees, and accordingly the switching-on action of the isolating knife is completed, and in the process, the isolating energy storage pressure spring 4 stores energy, so that the isolating knife is locked in a switching-on state. Then the driving rotating shaft 33 is manually or electrically controlled to rotate anticlockwise, so that the driven large gear 27 is driven to rotate anticlockwise, the clutch crank arm 25 is propped against the circumferential progressive opening 24 to push the round wheel 28 to rotate anticlockwise until the jacking column 23 is propped against the bottom of the breaker closing pawl 21 to rotate the breaker closing pawl 21, and the top is lapped on the breaker closing torsion column 20 to finish breaker closing energy storage; then, the breaker switch torsion post 18 is manually or electrically controlled to toggle the transition pulling piece 19, the transition pulling piece 19 toggles the breaker switch-on pulling piece 45, the breaker switch-on detent 21 is separated from the breaker switch-on torsion post 20, and the third extending claw 30 is pushed to rotate in the cam rotation process, so that the breaker main shaft 34 is driven to rotate to finish breaker switch-on and breaker switch-off energy storage. At the same time, the locking lever 39 rotates in the direction of the isolation spindle 7, so that the interlocking plate 40 catches the first isolation swing arm 8 to lock the isolation blade.
When the on-column switch needs to be opened, the breaker is opened first and then the disconnecting switch is opened, the breaker switch torsion column 18 is controlled manually or electrically to toggle the breaker opening pulling piece 17, the second opening swing arm 43 is separated from the breaker opening torsion column 15, the three-claw turning arm reversely rotates to complete the opening of the breaker, and meanwhile, the locking turning arm 39 reversely rotates to enable the interlocking plate 40 to be separated from the first disconnecting swing arm 8 to release the locking. Then, the isolating switch torsion column 1 is rotated clockwise to reset, the isolating main shaft 7 is driven to rotate anticlockwise by 90 degrees, so that the isolating knife is separated, and the isolating energy storage pressure spring 4 stores energy again in the process, so that the isolating knife is locked in a separated state.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may be modified or some technical features may be replaced with others, which may not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The pole-mounted switch circuit breaker and the integrated power operating mechanism for the isolating knife are characterized by comprising a front panel and a rear panel, wherein a component mounting cavity is formed between the front panel and the rear panel, and an isolating power mechanism for controlling the isolating knife to be connected with or disconnected from the pole-mounted switch circuit breaker, a circuit breaker power mechanism for controlling the circuit breaker to be connected with or disconnected from the pole-mounted switch circuit breaker and a circuit breaker switch-on energy storage mechanism for switch-on energy storage of the circuit breaker are arranged in the component mounting cavity;
the isolation power mechanism comprises an isolation switch torsion column and an isolation main shaft, wherein two ends of the isolation main shaft are respectively connected with a front panel and a rear panel in a rotating way, a first isolation swing arm and a second isolation swing arm are fixed on the isolation main shaft, an isolation transmission arm is fixed on the isolation switch torsion column, a strip-shaped sliding groove is arranged on the isolation transmission arm, an isolation sliding shaft is connected in a sliding way in the strip-shaped sliding groove, the isolation sliding shaft is fixedly connected with the first isolation swing arm, an isolation connecting column is connected in a component mounting cavity in a rotating way, a perforation is arranged on the isolation connecting column, an isolation guide column is connected in the perforation in a sliding way, the tail end of the isolation guide column is hinged with the second isolation swing arm, and an isolation energy storage pressure spring is sleeved on the isolation guide column;
the breaker power mechanism comprises a breaker opening energy storage mechanism and a breaker main shaft, wherein two ends of the breaker main shaft are respectively connected with a front panel and a rear panel in a rotating way, a three-jaw crank arm is fixed on the breaker main shaft and comprises a first extending claw, a second extending claw and a third extending claw, a breaker guide post is hinged on the first extending claw, a breaker limit sleeve is fixed in a component mounting cavity, the breaker guide post is positioned in the breaker limit sleeve and is in sliding connection with the breaker limit sleeve, and a breaker opening energy storage pressure spring is sleeved on the breaker guide post;
the breaker opening energy storage mechanism comprises a breaker opening detent and a breaker opening torsion column, the breaker opening detent and the breaker opening torsion column are both rotationally connected with the front panel and the rear panel, the breaker opening detent comprises a first opening swing arm and a second opening swing arm, when the three-claw turning arm rotates, the second extending claw pushes the first opening swing arm to rotate so that the second opening swing arm is lapped on the breaker opening torsion column to complete breaker closing and breaker opening energy storage, and when the breaker opening torsion column rotates, the second opening swing arm is separated from the breaker opening torsion column to complete breaker opening;
the breaker closing energy storage mechanism comprises an energy storage unit and a cam, wherein the cam is driven to rotate when the energy storage unit releases mechanical energy, and the cam rotates to push the third extending claw to rotate in the process of pushing the third extending claw to drive the breaker main shaft to rotate so as to complete breaker closing and breaker opening energy storage.
2. The pole-mounted switch circuit breaker and isolation knife integrated power operating mechanism according to claim 1, wherein a locking mechanism is arranged between the isolation power mechanism and the circuit breaker power mechanism, the locking mechanism comprises a locking crank arm fixed on a main shaft of the circuit breaker, and a locking plate is fixed on the locking crank arm; when the main shaft of the circuit breaker rotates to switch on the circuit breaker, the locking crank arm rotates towards the direction of the isolating main shaft, so that the interlocking plate clamps the first isolating swing arm; when the main shaft of the circuit breaker reversely rotates to switch off the circuit breaker, the locking crank arm reversely rotates, so that the interlocking plate is separated from the first isolation swing arm.
3. The integrated power operation mechanism for the pole-mounted switch circuit breaker and the isolating blade according to claim 2, wherein the energy storage unit comprises a circuit breaker closing detent, a circuit breaker closing torsion pole, a transmission mechanism and a cam; the driving mechanism comprises a driving rotating shaft and a driven rotating shaft, two ends of the driving rotating shaft and two ends of the driven rotating shaft are respectively connected with a front panel and a rear panel in a rotating mode, the cam is fixed on the driven rotating shaft, a driving pinion is fixed on the driving rotating shaft, a driven large gear meshed with the driving pinion is fixed on the driven rotating shaft, a round wheel is rotationally connected on the driven rotating shaft, a circumferential progressive opening is formed in the circumferential edge of the round wheel, a jack post is fixed on the round wheel, a clutch crank arm is fixed on the driven large gear, a clutch post is fixed in a component mounting cavity beside the driven large gear, an energy storage crank arm is rotationally connected on the driven rotating shaft, and a breaker closing energy storage tension spring is connected on the energy storage crank arm; when the driven large gear rotates, the clutch crank arm is propped against the circumferential progressive opening to push the round wheel to rotate until the jacking column is propped against the bottom of the breaker closing pawl, so that the top of the breaker closing pawl is lapped on the breaker closing torsion column to finish breaker closing energy storage, when the breaker closing torsion column rotates, the breaker closing pawl is separated from the breaker closing torsion column, and the third extending claw is pushed to rotate in the cam rotating process so as to drive the breaker main shaft to rotate to finish breaker closing and breaker opening energy storage.
4. The pole-mounted switch circuit breaker and isolation knife integrated power operating mechanism according to claim 3, wherein torsion springs are respectively sleeved on the circuit breaker closing torsion pole and the circuit breaker opening torsion pole, a circuit breaker closing pulling piece is fixed on the circuit breaker closing torsion pole, a circuit breaker opening pulling piece is fixed on the circuit breaker opening torsion pole, a circuit breaker opening Guan Niuzhu is installed in the component installation cavity, a pulling arm is fixed on the circuit breaker opening torsion pole, and when the circuit breaker opening torsion pole is twisted positively and negatively, the pulling arm pulls the circuit breaker closing pulling piece or the circuit breaker opening pulling piece to rotate.
5. The integrated power operation mechanism for the pole-mounted switch breaker and the isolating blade according to claim 4, wherein the rotation of the driving rotating shaft is performed by a manual or servo motor to provide a power source; the rotation of the breaker switch torsion column is performed through a manual or electric release to provide a power source.
6. The integrated power operation mechanism for pole-mounted switch circuit breaker and isolating blade according to claim 5, wherein a brake-separating limit swing arm is fixed on a brake-separating latch of the circuit breaker, and a brake-separating limit pole which cooperates with the brake-separating limit swing arm is installed in the component installation chamber.
7. The integrated power operation mechanism for a pole-mounted switch breaker and an isolating blade according to any one of claims 1 to 6, wherein the forward and reverse torsion range of the isolating switch torsion pole is 45 degrees, the forward and reverse torsion range of the second isolating swing arm is driven to be 90 degrees, and the second isolating swing arm spans the position of a connecting line between the connecting pole and the isolating spindle during the forward and reverse torsion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001643.2A CN109119284B (en) | 2018-08-30 | 2018-08-30 | Column switch breaker and integrated power operating mechanism for isolating knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001643.2A CN109119284B (en) | 2018-08-30 | 2018-08-30 | Column switch breaker and integrated power operating mechanism for isolating knife |
Publications (2)
| Publication Number | Publication Date |
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| CN109119284A CN109119284A (en) | 2019-01-01 |
| CN109119284B true CN109119284B (en) | 2024-02-13 |
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| CN201811001643.2A Active CN109119284B (en) | 2018-08-30 | 2018-08-30 | Column switch breaker and integrated power operating mechanism for isolating knife |
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- 2018-08-30 CN CN201811001643.2A patent/CN109119284B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2310905A (en) * | 1938-06-03 | 1943-02-09 | English Electric Co Ltd | Electrical switching apparatus |
| CN101789327A (en) * | 2009-01-22 | 2010-07-28 | 福建东方电器有限公司 | Combined appliance of indoor high-voltage vacuum load switch and high-voltage fuse |
| CN103745872A (en) * | 2013-12-24 | 2014-04-23 | 上海天灵开关厂有限公司 | Sectional type load switch mechanism |
| CN105070550A (en) * | 2015-07-20 | 2015-11-18 | 江苏华唐电器有限公司 | Solid insulation cabinet operating mechanism |
| CN208722802U (en) * | 2018-08-30 | 2019-04-09 | 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 |
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| CN109119284A (en) | 2019-01-01 |
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