CN117238715A - Sealed vacuum circuit breaker operating mechanism - Google Patents
Sealed vacuum circuit breaker operating mechanism Download PDFInfo
- Publication number
- CN117238715A CN117238715A CN202311439150.8A CN202311439150A CN117238715A CN 117238715 A CN117238715 A CN 117238715A CN 202311439150 A CN202311439150 A CN 202311439150A CN 117238715 A CN117238715 A CN 117238715A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- wheel
- transmission
- spring
- crank arm
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 85
- 238000004146 energy storage Methods 0.000 claims abstract description 181
- 230000005540 biological transmission Effects 0.000 claims abstract description 144
- 238000009434 installation Methods 0.000 claims description 21
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims 1
- 238000005192 partition Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to a sealed vacuum circuit breaker operating mechanism, which comprises a main body, a switch circuit breaker actuating mechanism and an energy storage mechanism, wherein the energy storage mechanism comprises an energy storage motor, a transmission wheel set and an energy storage spring, the main body comprises a first mounting plate and a second mounting plate, a mounting space is arranged between the first mounting plate and the second mounting plate, the transmission wheel set and the switch circuit breaker actuating mechanism are arranged on the mounting space, the energy storage motor and the energy storage spring are arranged on the front surface of the first mounting plate, the problem that the whole volume of a product is large due to the fact that the energy storage mechanism and the switch circuit breaker actuating mechanism are arranged on the same plate body in the prior art is solved, and the energy storage motor is arranged on the front surface of the first mounting plate, so that later-stage electric components can be conveniently disassembled and overhauled.
Description
Technical Field
The invention relates to the technical field of vacuum circuit breakers, in particular to a sealed vacuum circuit breaker operating mechanism.
Background
On the one hand, the whole installation of energy storage mechanism is on same board with the circuit breaker of part, leads to circuit breaker overall product height higher, and structural layout is complicated. On the other hand, when the energy storage mechanism is needed to keep an energy storage state by the energy storage spring, the energy storage mechanism is required to be provided with a limiting locking structure, the common locking structure is in transmission connection with the energy storage motor through the connecting rod, and the locking structure is driven through the connecting rod, so that the quantity of transmission parts is large, and the production cost of the product is high.
In addition, part of the circuit breakers are provided with two energy storage springs, the volume of the energy storage mechanisms is increased, the whole body is heavy, the production cost is high, and the composite retaining spring operating mechanism of the vacuum circuit breaker is 66kV and above as disclosed in Chinese patent number 202210874789.8.
The Chinese patent number ZL201910010823.5 discloses an energy storage mechanism of a circuit breaker, which comprises a right side plate and a left side plate, wherein an energy storage motor and an energy storage main shaft are arranged in front of the two side plates, the energy storage motor is fixedly arranged between the two side plates, and the energy storage main shaft is in rotary fit with the side plates at the two sides; the electric gear transmission group is installed in the right side board outside, the left side board outside is provided with energy storage mechanism, the energy storage motor is connected with the input of electric gear transmission group, energy storage main shaft right-hand member is connected with electric gear transmission group output, energy storage main shaft left end is connected with energy storage mechanism. The electric gear transmission group of the circuit breaker comprises a gear mounting frame, a first gear, a second variable gear, a third variable gear, a fourth variable gear, a fifth variable gear and a sixth gear, wherein the gear mounting frame is fixedly connected with a right side plate, the structure of the electric gear transmission group is complex, the number of gears is large, the size of a side plate for fixing an energy storage motor is large, and the whole circuit breaker is large.
Chinese patent No. 201910325336.8 discloses a breaking mechanism for a circuit breaker mechanism, which comprises a first middle partition plate and a second middle partition plate, wherein an upper support column and a lower support column are arranged between the first middle partition plate and the second middle partition plate; an output shaft is arranged between the first middle partition plate and the second middle partition plate, and a brake separating mechanism is arranged on the output shaft. The whole separating mechanism is separated and distributed between the upper support column and the lower support column, so that the force is prevented from being concentrated in one place in the prior breaker, and the force separation of the breaker is more uniform due to the existing separating mechanism, so that the failure rate is reduced.
When the structure works, the output crank arm stretches and rotates to keep a switching-on state when the output shaft is in switching-on operation, and when the output crank arm is switched on, the switching-on spring contracts to drive the output crank arm to rotate, so that the limiting part at the upper end of the output crank arm is in contact with the upper supporting column, and the upper supporting column is used as a connecting rod of a partition plate in the circuit breaker and is also used as a crank arm movement limiting rod in the switching-on mechanism. Therefore, when the brake is released, the upper support column is abutted with the output crank arm to form a limit, and the output crank arm can be contacted with the upper support column to generate sound when the brake release spring releases elasticity (the brake release spring contracts). Moreover, the output crank arm swings, so that abrasion can occur under long-term use, and further improvement is needed.
Disclosure of Invention
The invention aims to provide a sealed vacuum circuit breaker operating mechanism, which comprises a main body, wherein a first mounting plate and a second mounting plate, a mounting space is arranged between the first mounting plate and the second mounting plate, a transmission wheel set and a switch circuit breaker actuating mechanism are arranged on the mounting space, an energy storage motor and an energy storage spring are arranged on the front surface of the first mounting plate, the problem that the whole volume of a product is large due to the fact that the energy storage mechanism and the switch circuit breaker actuating mechanism are arranged on the same plate body in the prior art is solved, and the energy storage motor is arranged on the front surface of the first mounting plate, so that the assembly, disassembly and maintenance of later-stage electric components are facilitated.
The purpose of the invention is realized in the following way:
the utility model provides a sealed vacuum circuit breaker operating device, including the main part, still include switch circuit breaker actuating mechanism, energy storage mechanism includes energy storage motor, drive wheelset, energy storage spring, the main part includes first mounting panel, the second mounting panel, be equipped with the installation space between first mounting panel, the second mounting panel, drive wheelset, switch circuit breaker actuating mechanism sets up on the installation space, energy storage motor, energy storage spring sets up on the front surface of first mounting panel, solve current with energy storage mechanism and switch circuit breaker actuating mechanism setting lead to the problem that the whole volume of product is big on same plate body, and energy storage motor installs on the front surface of first mounting panel, the electric component of later stage of being convenient for carries out dismouting maintenance.
The installation space is provided with a locking assembly, the energy storage motor is in transmission connection with the energy storage spring through a transmission wheel set, the energy storage motor operates and drives the energy storage spring to stretch and store energy through driving the transmission wheel set until the transmission wheel set part is locked with the locking assembly, and the energy storage spring is kept in an energy storage state;
the main body further comprises a box body, the first mounting plate and the second mounting plate provided with the energy storage mechanism and the switch breaker actuating mechanism are arranged in the box body, the box body is provided with a door body for opening and closing, when the door body is closed, the energy storage mechanism arranged in the box body and the switch breaker actuating mechanism form a relatively sealed vacuum breaker operating mechanism, and the box body has the protection effects of dust prevention and moisture prevention.
The switch breaker actuating mechanism comprises a transmission arm, a brake separating spring and a transmission rod group, wherein the transmission arm is in fit connection with a brake opening and closing driving shaft of the switch breaker, the brake separating spring is in fit connection with the transmission arm, the transmission rod group is in fit action with the transmission arm and a transmission wheel group, and a locking assembly and a release driving assembly are arranged on the installation space, wherein the locking assembly is in fit connection with the transmission wheel group;
the energy storage motor operates and drives the energy storage spring to stretch and store energy through driving the transmission wheel set, when the energy storage spring stretches to the maximum state, the transmission wheel set part is locked with the locking assembly, the release driving assembly drives the locking assembly to move and unlock with the transmission wheel set part, and the unlocked transmission wheel set part moves and acts on the switch breaker actuating mechanism to drive the transmission arm to operate forward and stretch the brake separating spring.
The locking assembly comprises a closing buckle plate, the transmission wheel set comprises an energy storage wheel, a first limiting shaft is arranged on the energy storage wheel, and when the energy storage spring stretches to the maximum state, the first limiting shaft is abutted on the closing buckle plate, so that the energy storage wheel of the transmission wheel set is locked with the closing buckle plate.
The locking component comprises an elastically movable closing buckle plate, the release driving component is connected with the closing buckle plate in a matched manner, the release driving component drives the locking component to move and unlock with the transmission wheel group part, and the energy storage spring releases elasticity;
the locking assembly further comprises a reset elastic piece, one end of the reset elastic piece is connected with a closing buckle plate of the locking assembly, the other end of the reset elastic piece is connected with the main body, after the locking assembly is unlocked with the transmission wheel set part, the reset elastic piece drives the closing buckle plate to reset, so that the transmission wheel set part moves to be locked with the locking assembly again, and the reset elastic piece is a spring.
The release driving assembly comprises a closing knob shaft and a buckling position arranged on the closing knob shaft, a closing knob is arranged on the closing knob shaft, the closing knob is in transmission connection with the closing knob shaft, and when the release driving assembly is in matched connection with the locking assembly, the closing buckling plate is partially abutted against the buckling position of the closing knob shaft; when the locking assembly moves and is locked with the transmission wheel set part, the closing knob rotates and drives the closing knob shaft to rotate, so that the closing buckle plate is separated from the buckling position of the closing knob shaft, and the closing buckle plate elastically moves and is unlocked with the transmission wheel set part.
The transmission rod group comprises a crank arm, a transmission rod and a brake separating buckle plate, wherein the transmission arm, the transmission rod and the crank arm are connected in a matched manner, the transmission rod is connected with one end of the brake separating spring, a lock-off buckling part is arranged between the crank arm and the brake separating buckle plate, after the release driving assembly drives the locking assembly to be partially unlocked with the transmission wheel group, the transmission wheel group partially drives the crank arm to move, the crank arm stretches the brake separating spring through the transmission rod and the transmission rod, and when the brake separating spring stretches to a maximum state, the lock-off buckling part between the crank arm and the brake separating buckle plate is mutually locked, so that the brake separating spring keeps the maximum stretching state.
The transmission wheel set further comprises an energy storage wheel, an eccentric wheel and a cam, wherein the energy storage motor is provided with a driving wheel matched with the driven wheel, the energy storage wheel, the driven wheel, the eccentric wheel and the cam are arranged on the same rotating shaft, concave-convex matching parts are arranged among the energy storage wheel, the eccentric wheel, the cam and the rotating shaft, the energy storage wheel, the eccentric wheel and the rotating shaft are rotationally connected through the concave-convex matching parts, an energy storage spring at one end of the eccentric wheel is connected, a non-return matching assembly for preventing the energy storage wheel from rotating anticlockwise is arranged between the driven wheel and the energy storage wheel, and the energy storage wheel is prevented from rotating anticlockwise when the energy storage spring stores energy;
the non-return matching component comprises a clamping position arranged on the energy storage wheel and a clutch block arranged on the driven wheel, wherein the clutch block is elastically and movably arranged on the driven wheel, and the clutch block moves to the clamping position of the energy storage wheel along with the driven wheel so as to lock the energy storage wheel and the driven wheel;
when the energy storage motor runs, the driven wheel is driven to rotate around the rotating shaft through the driving wheel, and the clutch block is locked with the clamping position of the energy storage wheel along with the movement of the driven wheel, the driven wheel drives the energy storage wheel to rotate, and the energy storage wheel drives the eccentric wheel to rotate through the rotating shaft and stretches the energy storage spring;
the main body is provided with a clutch pin, when the energy storage spring is stretched to the maximum state, the energy storage wheel is locked with the locking component, and the clutch block is separated from the clamping position of the energy storage wheel and is abutted on the clutch pin;
when the transmission wheel set part and the locking component are unlocked, the energy storage spring releases elasticity, the energy storage wheel drives the cam to drive the crank arm to move through the rotating shaft, so that the transmission wheel set acts on the switch breaker actuating mechanism when the energy storage spring releases elasticity, the cam drives the crank arm to move, the crank arm drives the transmission arm to move through the transmission rod, and when the transmission arm moves, the switch breaker opening and closing drive shaft rotates to drive the switch to conduct closing or opening actions.
The installation space is also provided with an unlocking driving assembly, the unlocking driving assembly comprises a brake separating rotating shaft, a brake separating knob is arranged on the brake separating rotating shaft, the brake separating knob is connected with the brake separating rotating shaft in a matched mode, a clamping part is arranged on the brake separating rotating shaft, and a brake separating buckle plate is abutted to the clamping part of the brake separating rotating shaft; the brake release knob drives the brake release rotating shaft to move, and when the brake release buckle leaves the clamping part of the brake release rotating shaft, the brake release buckle moves and drives the lock rod to move, so that the crank arm and the lock rod are unlocked, and the brake release spring releases elasticity;
one side of the brake separating buckle plate is provided with a return spring, after the crank arm is unlocked with the lock rod, the return spring drives the brake separating buckle plate to return, the brake separating spring releases elastic force to drive the driving arm to do reverse motion, and the crank arm and the cam return, so that the cam drives the crank arm to move again to be locked with the lock rod;
the crank arm is provided with a first transmission end matched with the lock rod, the crank arm is provided with a second transmission end matched with the cam, and the crank arm is provided with a third transmission end connected with the transmission rod; the crank arm is provided with a movable supporting point M, the distance from the first driving end to the movable supporting point M is L1, the distance from the second driving end to the movable supporting point M is L2, the distance from the third driving end to the movable supporting point M is L3, the lengths of L1, L2 and L3 are close, the cam, the brake separating buckle plate, the driving rod and the crank arm are combined into a four-linkage structure, the first driving end, the second driving end and the third driving end are arranged on the same plane space, the driving structure is compact, the driving distance among the driving piece, the brake separating buckle plate, the driving rod and the crank arm is short (the driving force arms of the crank arm are close to each other in equal length), and the driving efficiency is high.
The lock release buckling part comprises a lock rod arranged on the brake release buckle plate, and when the brake release spring keeps the maximum stretching state, one end of the crank arm is abutted against the lock rod; the installation space is provided with a buffer part, and the buffer part is arranged along one end direction of the reverse motion of the crank arm.
The beneficial effects of the invention are as follows:
the main part includes first mounting panel, second mounting panel, is equipped with the installation space between first mounting panel, the second mounting panel, and drive wheelset, switch circuit breaker actuating mechanism set up on the installation space, and energy storage motor, energy storage spring set up on the front surface of first mounting panel, solve current with energy storage mechanism and switch circuit breaker actuating mechanism setting lead to the problem that the whole volume of product is big on same plate body, and energy storage motor installs on the front surface of first mounting panel, and the electric part of later stage of being convenient for carries out dismouting maintenance.
The transmission wheelset is the stacked structure setting, energy storage motor and transmission wheelset only need two meshing gears just can carry out the transmission and be connected, need use a plurality of gears to carry out driven mode among the cancellation background art, simplify energy storage transmission mode, in addition, the transmission wheelset is stacked structure setting, when energy storage motor drive transmission wheelset activity to corresponding angular position, transmission wheelset part and locking component lock each other, energy storage spring tensile to the longest state this moment, energy storage spring keeps this energy storage state, the spacing rotation structure of transmission wheelset is simplified, reduce the manufacturing cost of circuit breaker on the whole.
Drawings
Fig. 1 is a schematic structural view of a circuit breaker operating mechanism according to an embodiment of the present invention disposed in a closed casing.
Fig. 2 is a schematic diagram of a transmission connection structure between an energy storage mechanism and an actuating mechanism of a switch breaker according to an embodiment of the invention.
Fig. 3 is a schematic perspective view of a driving connection between an energy storage mechanism and an actuating mechanism of a switch breaker according to an embodiment of the present invention.
Fig. 4 is a schematic plan view of a first mounting board and a second mounting board stacked together according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a main body according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a first mounting board according to an embodiment of the invention.
Fig. 7 is a schematic structural view of a side of a second mounting board according to an embodiment of the invention.
Fig. 8 is a schematic structural diagram of an energy storage mechanism according to an embodiment of the invention.
Fig. 9 is a schematic diagram of an energy storage mechanism energy storage spring stretching structure according to an embodiment of the present invention.
Fig. 10 is a schematic structural diagram of an actuator of a switching circuit breaker according to an embodiment of the present invention.
Fig. 11 is a schematic structural view of a breaking spring of an actuating mechanism of a switch breaker in a stretched state according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to fig. 1-11, a sealed vacuum circuit breaker operating mechanism comprises a main body 1, a switch circuit breaker actuating mechanism 18 and an energy storage mechanism, wherein the energy storage mechanism comprises an energy storage motor 2, a transmission wheel set 3 and an energy storage spring 4, the main body 1 comprises a first mounting plate 24 and a second mounting plate 25, a mounting space 26 is arranged between the first mounting plate 24 and the second mounting plate 25, the transmission wheel set 3 and the switch circuit breaker actuating mechanism 18 are arranged on the mounting space 26, and the energy storage motor 2 and the energy storage spring 4 are arranged on the front surface of the first mounting plate 24.
The installation space 26 is provided with a locking component 5, the energy storage motor 2 is in transmission connection with the energy storage spring 4 through the transmission wheel set 3, the energy storage motor 2 operates and drives the energy storage spring 4 to stretch and store energy through driving the transmission wheel set 3 until part of the transmission wheel set 3 is locked with the locking component 5, and the energy storage spring 4 is kept in an energy storage state;
the main body 1 further comprises a box 41, the first mounting plate 24 and the second mounting plate 25 provided with the energy storage mechanism and the switch breaker actuating mechanism 18 are arranged in the box 41, the box 41 is provided with an opening and closing door body, and when the door body is closed, the energy storage mechanism arranged in the box 41 and the switch breaker actuating mechanism 18 form a relatively sealed vacuum breaker actuating mechanism.
The switch breaker actuating mechanism 18 comprises a transmission arm 22 which is matched and connected with a switch breaker opening and closing drive shaft, a brake separating spring 30 which is matched and connected with the transmission arm 22, and a transmission rod group 31 which is matched and acted with the transmission arm 22 and the transmission wheel group 3, wherein a locking assembly 5 which is partially matched and connected with the transmission wheel group 3 and a release drive assembly 9 which is matched and connected with the locking assembly 5 are arranged on the installation space 26;
the energy storage motor 2 operates and drives the energy storage spring 4 to stretch and store energy by driving the transmission wheel set 3, when the energy storage spring 4 stretches to the maximum state, part of the transmission wheel set 3 is locked with the locking component 5, the release driving component 9 drives the locking component 5 to move and unlock with part of the transmission wheel set 3, and part of the transmission wheel set 3 after unlocking moves and acts on the switch breaker actuating mechanism 18 to drive the transmission arm 22 to operate forward and stretch the brake separating spring 30.
The locking assembly 5 comprises a closing buckle plate 6, the transmission wheel set 3 comprises an energy storage wheel 7, a first limiting shaft 8 is arranged on the energy storage wheel 7, and when the energy storage spring 4 stretches to the maximum state, the first limiting shaft 8 is abutted on the closing buckle plate 6, so that the energy storage wheel 7 of the transmission wheel set 3 is locked with the closing buckle plate 6.
The locking component 5 comprises an elastically movable closing buckle plate 6, the release driving component is connected with the closing buckle plate 6 in a matched manner, the release driving component 9 drives the locking component 5 to move and unlock with the transmission wheel set 3 partially, and the energy storage spring 4 releases elasticity;
the locking assembly 5 further comprises a reset elastic piece 10, one end of the reset elastic piece 10 is connected with the closing buckle plate 6 of the locking assembly 5, the other end of the reset elastic piece 10 is connected with the main body 1, after the locking assembly 5 is partially unlocked with the transmission wheel set 3, the reset elastic piece 10 drives the closing buckle plate 6 to reset, so that the transmission wheel set 3 is partially moved to be locked with the locking assembly 5 again, and the reset elastic piece 10 is a spring.
The release driving assembly 9 comprises a closing knob shaft and a buckling position arranged on the closing knob shaft, the closing knob shaft is provided with a closing knob 37, the closing knob 37 is in transmission connection with the closing knob shaft, and when the release driving assembly 9 is in matched connection with the locking assembly 5, the closing buckle 6 is partially abutted against the buckling position of the closing knob shaft; when the locking component 5 moves and is partially locked with the transmission wheel set 3, the closing knob 37 rotates and drives the closing knob shaft to rotate, so that the closing buckle plate 6 is separated from the buckling position of the closing knob shaft, and the closing buckle plate 6 elastically moves and is partially unlocked with the transmission wheel set 3.
The transmission rod group 31 comprises a crank arm 20, a transmission rod 23 and a brake separating buckle plate 29, the transmission arm 22 and the transmission rod 23 are connected with the crank arm 20 in a matched mode, the transmission rod 23 is connected with one end of a brake separating spring 30, a lock-off buckling part is arranged between the crank arm 20 and the brake separating buckle plate 29, after the release driving assembly 9 drives the locking assembly 5 to be partially unlocked with the transmission wheel group 3, the transmission wheel group 3 drives the crank arm 20 to move, the crank arm 20 stretches the brake separating spring 30 through the transmission rod 23 and the transmission rod 22, and when the brake separating spring 30 stretches to a maximum state, the lock-off buckling part between the crank arm 20 and the brake separating buckle plate 29 is mutually locked, so that the brake separating spring 30 keeps the maximum stretching state.
The transmission wheel set 3 further comprises an energy storage wheel 7, an eccentric wheel 15 and a cam 19, the energy storage motor 2 is provided with a driving wheel 16 matched with the driven wheel 11, the energy storage wheel 7, the driven wheel 11, the eccentric wheel 15 and the cam 19 are arranged on the same rotating shaft 17, a concave-convex matching part 42 is arranged among the energy storage wheel 7, the eccentric wheel 15, the cam 19 and the rotating shaft 17, the energy storage wheel 7, the eccentric wheel 15, the cam 19 and the rotating shaft 17 are rotationally connected through the concave-convex matching part 42, one end of the eccentric wheel 15 is connected with an energy storage spring 4, and a non-return matching assembly 12 for preventing the energy storage wheel 7 from rotating anticlockwise is arranged between the driven wheel 11 and the energy storage wheel 7;
the non-return fit assembly 12 comprises a clamping position 13 arranged on the energy storage wheel 7 and a clutch block 14 arranged on the driven wheel 11, wherein the clutch block 14 is elastically and movably arranged on the driven wheel 11, and the clutch block 14 moves along with the driven wheel 11 to the clamping position 13 of the energy storage wheel 7 so as to lock the energy storage wheel 7 and the driven wheel 11;
when the energy storage motor 2 runs, the driven wheel 11 is driven to rotate around the rotating shaft 17 through the driving wheel 16, and the clutch block 14 is locked with the clamping position 13 of the energy storage wheel 7 along with the movement of the driven wheel 11, the driven wheel 11 drives the energy storage wheel 7 to rotate, and the energy storage wheel 7 drives the eccentric wheel 15 to rotate through the rotating shaft 17 and stretches the energy storage spring 4;
the main body 1 is provided with a clutch pin 28, when the energy storage spring 4 stretches to the maximum state, the energy storage wheel 7 is locked with the locking assembly 5, and the clutch block 14 is separated from the clamping position 13 of the energy storage wheel 7 and is abutted on the clutch pin 28;
when the transmission wheel set 3 is partially unlocked from the locking component 5, the energy storage spring 4 releases elasticity, and the energy storage wheel 7 drives the cam 19 to drive the crank arm 20 to move through the rotating shaft 17, so that the transmission wheel set 3 acts on the switch breaker actuating mechanism 18 when the energy storage spring 4 releases elasticity.
In this embodiment, the driving wheel 16 is a driving gear, and the driving gear is rotatably disposed on the installation space 26 through a rotating shaft, and the rotating shaft is inserted into the first installation plate 24 and the second installation plate 25.
In this embodiment, the concave-convex matching portion 18 is of a stepped hole structure, the energy storage wheel 7, the eccentric wheel 15 and the cam 19 are all provided with stepped hole structures, the rotating shaft 17 is provided with a flat key matched with the stepped hole, and the rotating shaft 17 is provided with a key slot for placing the flat key.
The installation space 26 is also provided with an unlocking driving assembly, the unlocking driving assembly comprises a brake separating rotating shaft 39, a brake separating knob 38 is arranged on the brake separating rotating shaft 39, the brake separating knob 38 is connected with the brake separating rotating shaft 39 in a matched manner, the brake separating rotating shaft 39 is provided with a clamping part 40, and the brake separating buckle 29 is abutted against the clamping part 40 of the brake separating rotating shaft 39; the brake release knob 38 drives the brake release rotating shaft 39 to move, and when the brake release buckle 29 is separated from the clamping part 40 of the brake release rotating shaft 39, the brake release buckle 29 moves and drives the lock rod 21 to move so as to unlock the crank arm 20 and the lock rod 21, and the brake release spring 30 releases the elasticity;
a return spring 32 is arranged on one side of the brake release buckle 29, after the crank arm 20 is unlocked with the lock rod 21, the return spring 32 drives the brake release buckle 29 to return, the brake release spring 30 releases elastic force to drive the driving arm 22 to move reversely, and the crank arm 20 and the cam 19 return, so that the cam 19 drives the crank arm 20 to move again to be locked with the lock rod 21;
the crank arm 20 is provided with a first transmission end 33 matched with the lock rod 21, the crank arm 20 is provided with a second transmission end 34 matched with the cam 19, and the crank arm 20 is provided with a third transmission end 35 connected with the transmission rod 23; the crank arm 20 is provided with a movable supporting point M, the distance from the first driving end 33 to the movable supporting point M is L1, the distance from the second driving end 34 to the movable supporting point M is L2, the distance from the third driving end 35 to the movable supporting point M is L3, the lengths of the L1, L2 and L3 are close, the cam 19, the brake separating buckle 29, the driving rod 23 and the crank arm 20 are combined into a four-linkage structure, and the first driving end 33, the second driving end 34 and the third driving end 35 are arranged on the same plane space.
The lock-release buckling part comprises a lock rod 21 arranged on a brake release buckle 29, and when the brake release spring 30 keeps the maximum stretching state, one end of the crank arm 20 is abutted against the lock rod 21; the mounting space 26 is provided with a buffer member 36, and the buffer member 36 is arranged along one end direction of the reverse movement of the crank arm 20.
The buffer part 36 is a buffer cylinder, and contacts with the telescopic part of the buffer cylinder when the crank arm 20 moves reversely, so that the buffer part plays a role in buffering and has the effects of silence and shock absorption.
The foregoing is a preferred embodiment of the invention showing and describing the general principles, features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a sealed vacuum circuit breaker operating device, includes main part (1), its characterized in that: still include switch circuit breaker actuating mechanism (18), energy storage mechanism includes energy storage motor (2), drive wheelset (3), energy storage spring (4), main part (1) are equipped with installation space (26) including first mounting panel (24), second mounting panel (25) between first mounting panel (24), second mounting panel (25), drive wheelset (3), switch circuit breaker actuating mechanism (18) set up on installation space (26), energy storage motor (2), energy storage spring (4) set up on the front surface of first mounting panel (24).
2. The sealed vacuum circuit breaker operating mechanism of claim 1, wherein: the installation space (26) is provided with a locking assembly (5), the energy storage motor (2) is in transmission connection with the energy storage spring (4) through the transmission wheel set (3), the energy storage motor (2) operates and drives the energy storage spring (4) to stretch and store energy through driving the transmission wheel set (3) until part of the transmission wheel set (3) is locked with the locking assembly (5), and the energy storage spring (4) is kept in an energy storage state;
the main body (1) further comprises a box body (41), wherein the first mounting plate (24) and the second mounting plate (25) provided with the energy storage mechanism and the switch breaker actuating mechanism (18) are arranged in the box body (41), the box body (41) is provided with an opening and closing door body, and when the door body is closed, the energy storage mechanism arranged in the box body (41) and the switch breaker actuating mechanism (18) form a relative sealing type vacuum breaker operating mechanism.
3. The sealed vacuum circuit breaker operating mechanism of claim 1, wherein: the switch breaker actuating mechanism (18) comprises a transmission arm (22) which is matched and connected with a switch breaker switch-on and switch-off driving shaft, a switch-off spring (30) which is matched and connected with the transmission arm (22), and a transmission rod group (31) which is matched and acted with the transmission arm (22) and the transmission wheel group (3), wherein a locking assembly (5) which is partially matched with the transmission wheel group (3) and a release driving assembly (9) which is matched and connected with the locking assembly (5) are arranged on the installation space (26);
the energy storage motor (2) operates and drives the energy storage spring (4) to stretch and store energy through driving the transmission wheel set (3), when the energy storage spring (4) stretches to the maximum state, part of the transmission wheel set (3) is locked with the locking component (5), the release driving component (9) drives the locking component (5) to move and unlock with part of the transmission wheel set (3), and part of the transmission wheel set (3) after unlocking moves and acts on the switch breaker actuating mechanism (18) to drive the transmission arm (22) to move forward and stretch the brake separating spring (30).
4. A sealed vacuum circuit breaker operating mechanism according to claim 3, wherein: the locking assembly (5) comprises a closing buckle plate (6), the transmission wheel set (3) comprises an energy storage wheel (7), a first limiting shaft (8) is arranged on the energy storage wheel (7), and when the energy storage spring (4) stretches to the maximum state, the first limiting shaft (8) is abutted to the closing buckle plate (6) so that the energy storage wheel (7) of the transmission wheel set (3) is locked with the closing buckle plate (6).
5. A sealed vacuum circuit breaker operating mechanism according to claim 3, wherein: the locking component (5) comprises an elastically movable closing buckle plate (6), the release driving component is connected with the closing buckle plate (6) in a matched mode, the release driving component (9) drives the locking component (5) to move and unlock with the transmission wheel set (3) partially, and the energy storage spring (4) releases elasticity;
the locking assembly (5) further comprises a reset elastic piece (10), one end of the reset elastic piece (10) is connected with the closing buckle plate (6) of the locking assembly (5), the other end of the reset elastic piece (10) is connected with the main body (1), after the locking assembly (5) is partially unlocked with the transmission wheel set (3), the reset elastic piece (10) drives the closing buckle plate (6) to reset, so that the transmission wheel set (3) is partially moved to be locked with the locking assembly (5) again, and the reset elastic piece (10) is a spring.
6. The sealed vacuum circuit breaker operating mechanism of claim 5, wherein: the release driving assembly (9) comprises a closing knob shaft and a buckling position arranged on the closing knob shaft, a closing knob (37) is arranged on the closing knob shaft, the closing knob (37) is in transmission connection with the closing knob shaft, and when the release driving assembly (9) is in matched connection with the locking assembly (5), a closing buckle plate (6) is partially abutted on the buckling position of the closing knob shaft; when the locking component (5) moves and is partially locked with the transmission wheel set (3), the closing knob (37) rotates and drives the closing knob shaft to rotate, so that the closing buckle plate (6) is separated from the closing knob (the buckling position of the shaft), and the closing buckle plate (6) elastically moves and is partially unlocked with the transmission wheel set (3).
7. A sealed vacuum circuit breaker operating mechanism according to claim 3, wherein: the transmission rod group (31) comprises a crank arm (20), a transmission rod (23) and a brake separating buckle plate (29), the transmission rod (22), the transmission rod (23) and the crank arm (20) are connected in a matched mode, the transmission rod (23) is connected with one end of a brake separating spring (30), a lock-off buckling part is arranged between the crank arm (20) and the brake separating buckle plate (29), after the release driving assembly (9) drives the locking assembly (5) to be partially unlocked with the transmission wheel group (3), the transmission wheel group (3) partially drives the crank arm (20) to move, the crank arm (20) stretches the brake separating spring (30) through the transmission rod (23) and the transmission arm (22), and when the brake separating spring (30) stretches to a maximum state, the lock-off buckling part between the crank arm (20) and the brake separating buckle plate (29) is mutually locked, so that the brake separating spring (30) keeps the maximum stretching state.
8. The sealed vacuum circuit breaker operating mechanism of claim 7, wherein: the transmission wheel set (3) further comprises an energy storage wheel (7), an eccentric wheel (15) and a cam (19), the energy storage motor (2) is provided with a driving wheel (16) matched with the driven wheel (11), the energy storage wheel (7), the driven wheel (11), the eccentric wheel (15) and the cam (19) are arranged on the same rotating shaft (17), a concave-convex matching part (42) is arranged between the energy storage wheel (7), the eccentric wheel (15), the cam (19) and the rotating shaft (17), the energy storage wheel (7), the eccentric wheel (15), the cam (19) and the rotating shaft (17) are in rotary connection through the concave-convex matching part (42), one end of the eccentric wheel (15) is connected with an energy storage spring (4), and a non-return matching component (12) for preventing the energy storage wheel (7) from rotating anticlockwise is arranged between the driven wheel (11) and the energy storage wheel (7);
the non-return fit assembly (12) comprises a clamping position (13) arranged on the energy storage wheel (7) and a clutch block (14) arranged on the driven wheel (11), wherein the clutch block (14) is elastically and movably arranged on the driven wheel (11), and the clutch block (14) moves to the clamping position (13) of the energy storage wheel (7) along with the driven wheel (11) so as to lock the energy storage wheel (7) and the driven wheel (11);
when the energy storage motor (2) runs, the driven wheel (11) is driven to rotate around the rotating shaft (17) through the driving wheel (16), and the clutch block (14) is locked with the clamping position (13) of the energy storage wheel (7) along with the movement of the driven wheel (11), the driven wheel (11) drives the energy storage wheel (7) to rotate, and the energy storage wheel (7) drives the eccentric wheel (15) to rotate through the rotating shaft (17) and stretches the energy storage spring (4);
the main body (1) is provided with a clutch pin (28), when the energy storage spring (4) stretches to the maximum state, the energy storage wheel (7) is locked with the locking assembly (5), and the clutch block (14) is separated from the clamping position (13) of the energy storage wheel (7) and is abutted on the clutch pin (28);
when the transmission wheel set (3) is partially unlocked with the locking component (5), the energy storage spring (4) releases elasticity, the energy storage wheel (7) drives the cam (19) to drive the crank arm (20) to move through the rotating shaft (17), so that the transmission wheel set (3) acts on the switch breaker actuating mechanism (18) when the energy storage spring (4) releases elasticity.
9. The sealed vacuum circuit breaker operating mechanism of claim 8, wherein: the installation space (26) is also provided with an unlocking driving assembly, the unlocking driving assembly comprises a brake separating rotating shaft (39), a brake separating knob (38) is arranged on the brake separating rotating shaft (39), the brake separating knob (38) is connected with the brake separating rotating shaft (39) in a matched mode, the brake separating rotating shaft (39) is provided with a clamping part (40), and a brake separating buckle plate (29) is abutted to the clamping part (40) of the brake separating rotating shaft (39); the brake release knob (38) drives the brake release rotating shaft (39) to move, when the brake release buckle plate (29) is separated from the clamping part (40) of the brake release rotating shaft (39), the brake release buckle plate (29) moves and drives the lock rod (21) to move so as to enable the crank arm (20) to be unlocked with the lock rod (21), and the brake release spring (30) releases elasticity;
a return spring (32) is arranged on one side of the brake release buckle plate (29), after the crank arm (20) is unlocked with the lock rod (21), the return spring (32) drives the brake release buckle plate (29) to return, the brake release spring (30) releases elastic force to drive the transmission arm (22) to do reverse motion, and the crank arm (20) and the cam (19) return, so that the cam (19) drives the crank arm (20) to move again to be locked with the lock rod (21);
the crank arm (20) is provided with a first transmission end (33) matched with the lock rod (21), the crank arm (20) is provided with a second transmission end (34) matched with the cam (19), and the crank arm (20) is provided with a third transmission end (35) connected with the transmission rod (23); the crank arm (20) is provided with a movable supporting point M, the distance from a first driving end (33) to the movable supporting point M is L1, the distance from a second driving end (34) to the movable supporting point M is L2, the distance from a third driving end (35) to the movable supporting point M is L3, the lengths of the L1, L2 and L3 are close to each other, the cam (19), the brake separating buckle plate (29), the driving rod (23) and the crank arm (20) are combined into a four-linkage structure, and the first driving end (33), the second driving end (34) and the third driving end (35) are arranged on the same plane space.
10. The sealed vacuum circuit breaker operating mechanism of claim 7, wherein: the lock release buckling part comprises a lock rod (21) arranged on a brake release buckle plate (29), and when the brake release spring (30) keeps the maximum stretching state, one end of the crank arm (20) is abutted on the lock rod (21); the installation space (26) is provided with a buffer piece (36), and the buffer piece (36) is arranged along one end direction of the reverse movement of the crank arm (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311439150.8A CN117238715A (en) | 2023-10-31 | 2023-10-31 | Sealed vacuum circuit breaker operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311439150.8A CN117238715A (en) | 2023-10-31 | 2023-10-31 | Sealed vacuum circuit breaker operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117238715A true CN117238715A (en) | 2023-12-15 |
Family
ID=89088248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311439150.8A Pending CN117238715A (en) | 2023-10-31 | 2023-10-31 | Sealed vacuum circuit breaker operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117238715A (en) |
-
2023
- 2023-10-31 CN CN202311439150.8A patent/CN117238715A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1103489C (en) | Switch set of machinery with three position visible device | |
| CN1233065A (en) | Device for control of discharge and disengagement of energy storage device when extraction of plug-in circuit breaker is performed | |
| CN1095185A (en) | The remote-control circuit breaker that has recharging cam | |
| CN103456558A (en) | Operating mechanism of vacuum circuit breaker | |
| CN2879394Y (en) | Spring operating mechanism for circuit breaker | |
| CN1242444C (en) | High energy closing mechanism for circuit breakers | |
| CN108695082B (en) | Energy storage transmission mechanism and rotary switch operating device using same | |
| CN114937572B (en) | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above | |
| CN203415489U (en) | Operating mechanism for vacuum circuit breaker | |
| CN1217368C (en) | Circuit breaker handle operation mechanism | |
| CN117238715A (en) | Sealed vacuum circuit breaker operating mechanism | |
| CN201877310U (en) | Breaker control mechanism | |
| CN111105940B (en) | Electric spring mechanism and grounding switch | |
| CN201237978Y (en) | Energy pre-accumulation switch-on mechanism of operating mechanism for circuit breaker | |
| KR20140018948A (en) | Modular moc driver and interlock assembly for circuit breaker | |
| CN1264178C (en) | Remote controlled circuit breaker having energy storage mechanism | |
| CN221262227U (en) | Energy storage assembly of vacuum circuit breaker operating mechanism | |
| CN111370257B (en) | Anti-misoperation type operating handle for load switch/isolating switch and using method thereof | |
| CN201017786Y (en) | Mutual interlock apparatus between two switch mechanisms | |
| CN2620922Y (en) | Circuit breaker spring control mechanism | |
| CN101976616A (en) | Breaker control mechanism | |
| CN2727929Y (en) | Spring operating mechanism | |
| CN221379234U (en) | Separating brake assembly of vacuum circuit breaker operating mechanism | |
| CN219476561U (en) | Side operated isolating switch | |
| CN2609164Y (en) | Strong impact-resistance spring energy storage electric operatnig device |
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 |