CN113871270B - Spring operating mechanism of indoor circuit breaker - Google Patents
Spring operating mechanism of indoor circuit breaker Download PDFInfo
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- CN113871270B CN113871270B CN202111292526.8A CN202111292526A CN113871270B CN 113871270 B CN113871270 B CN 113871270B CN 202111292526 A CN202111292526 A CN 202111292526A CN 113871270 B CN113871270 B CN 113871270B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 86
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000004146 energy storage Methods 0.000 claims description 29
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/1009—Interconnected mechanisms
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- Braking Arrangements (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an indoor breaker spring operating mechanism. The invention aims to solve the technical problem of providing an indoor breaker spring operating mechanism with a compact structure and a large expansion space. The three-phase output crank arm assembly comprises an output movable rod, an upper output crank arm, a middle output crank arm and a lower output crank arm, wherein a brake separating spring fixing hole is formed in the output movable rod, one end of the brake separating spring is fixed on the brake separating spring fixing hole, and the other end of the brake separating spring is fixed on an adjusting head. The invention has the advantages that: the modularized mechanism with the integrated switching-on spring, switching-off spring and three-phase output crank arm is convenient to install, large in expansion space and convenient to operate.
Description
Technical Field
The invention relates to an indoor breaker spring operating mechanism.
Background
The operating mechanism of the indoor circuit breaker provides power output for the circuit breaker, and the operating mechanism acts on the vacuum arc-extinguishing chamber to drive the conducting rod to move so as to realize switching on and off of the circuit breaker. The spring operating mechanism is the most commonly used one in the current circuit breaker, the switching-on and switching-off of the spring operating mechanism provide energy through springs, and generally comprises an energy storage unit, a switching-on transmission unit, a switching-off tripping unit and the like, and the existing spring operating mechanism is easy to cause the fact that the appearance volume of related product mechanisms is large, the installation is complex, the operation is unclear, the problem easily occurs in the operation, the reliability is poor, and in addition, the existing operating mechanism has no expansion space, has poor protection function and is inconvenient to operate.
Disclosure of Invention
In order to solve the problems, the invention aims to provide the indoor breaker spring operating mechanism which is compact in structure, large in expansion space and high in safety.
The indoor breaker spring operating mechanism adopts the technical scheme that the indoor breaker spring operating mechanism comprises a mechanism left side plate, a mechanism right side plate, an installation supporting rod for connecting the mechanism left side plate and the mechanism right side plate together, and is characterized by further comprising a brake separating spring, a three-phase output crank arm assembly and an energy storage motor which are arranged on the outer side of the mechanism left side plate, a closing spring arranged on the outer side of the mechanism right side plate, a gear transmission assembly arranged between the mechanism left side plate and the mechanism right side plate, and a transmission shaft penetrating through the mechanism left side plate and the mechanism right side plate, wherein the three-phase output crank arm assembly comprises an output moving rod, an upper output crank arm, a middle output crank arm and a lower output crank arm which are rotatably arranged on the output moving rod, a brake separating spring fixing hole is arranged on the output moving rod, one end of the brake separating spring is fixed on the brake separating spring fixing hole, and the other end of the brake separating spring is fixed on an adjusting head;
The middle output crank arm is sleeved at the end part of the transmission shaft, a cam crank arm is arranged on the transmission shaft, a roller corresponding to the gear transmission assembly is arranged on the cam crank arm, the energy storage motor is connected with the gear transmission assembly, one end of the closing spring is sleeved at the gear transmission assembly, and the other end of the closing spring is fixed on the right side plate of the mechanism through a hanging spring shaft.
The gear transmission assembly comprises a first shaft and a second shaft which are arranged between the left side plate of the mechanism and the right side plate of the mechanism in a penetrating way, a pinion arranged on the first shaft in a sleeved way, a large gear arranged on the first shaft in a sleeved way, a cam, a driving wheel and a spring fixing shaft connected with the second shaft, the pinion is meshed with the large gear, one end of a closing spring is sleeved on the spring fixing shaft, the first shaft is connected with an energy storage motor, and the cam is matched with the idler wheel.
The auxiliary switch assembly comprises an auxiliary switch, a first connecting rod and a middle rod connected with the auxiliary switch and the first connecting rod, wherein a connecting rod fixing hole is formed in the output movable rod, and the end portion of the first connecting rod is fixed on the connecting rod fixing hole.
The mechanism is characterized in that an oil buffer is arranged on the outer side of the left side plate of the mechanism, an oil buffer crank arm is further sleeved on the transmission shaft, and an oil buffer action roller corresponding to the oil buffer is arranged on the oil buffer crank arm.
The gear transmission assembly further comprises a brake separating shaft, a brake closing pawl shaft and a brake separating pawl shaft which are arranged between the left side plate and the right side plate in a penetrating manner, wherein a brake closing pawl is sleeved on the brake closing pawl shaft, one end of the brake closing pawl corresponds to the driving wheel, the other end of the brake closing pawl corresponds to the brake closing shaft, a brake separating pawl is sleeved on the brake separating pawl shaft, one end of the brake separating pawl corresponds to the cam crank arm, and the other end of the brake separating pawl corresponds to the brake separating shaft;
The outside of mechanism left side board is equipped with separating brake solenoid and closing electromagnet coil, separating brake axle front end be equipped with separating brake action board and separating brake reset spring that separating brake solenoid corresponds, the closing brake axle front end be equipped with closing brake action board and closing brake reset spring that closing brake solenoid corresponds.
The mechanism left side board outside is equipped with chassis car interlocking board, chassis car interlocking board upper and lower extreme is buckled and is formed interlocking board linkage portion and chassis car fender portion respectively, be equipped with the interlocking board adjustment tank on the chassis car interlocking board, the closing shaft front end still is equipped with the interlocking board action board, the rear end of closing shaft is equipped with the reclosing interlocking piece, the rear end of transmission shaft be equipped with the corresponding reclosing interlocking spring of reclosing interlocking piece, the interlocking board linkage portion with the interlocking board action board is corresponding.
The device comprises a mechanism, a mechanism right side plate, a mechanism left side plate, a mechanism right side plate, a mechanism left side plate and a mechanism right side plate, wherein a first overcurrent magnet coil and a second overcurrent magnet coil are arranged on the outer side of the mechanism right side plate, an overcurrent operation plate corresponding to the first overcurrent magnet coil and the second overcurrent magnet coil is arranged at the rear end of a brake separating shaft, a loss-in-voltage electromagnet coil and a program lock are arranged on the inner side of the mechanism left side plate, and a loss-in-voltage operation plate corresponding to the loss-in-voltage electromagnet coil and a program lock operation plate corresponding to the program lock are arranged in the middle of the brake separating shaft;
The inner side of the right side plate of the mechanism is provided with a locking electromagnet coil, and the middle part of the closing shaft is provided with a locking action screw head corresponding to the locking electromagnet coil.
The indoor circuit breaker spring operating mechanism further comprises a counting device assembly which is arranged on the outer side of the left side plate of the mechanism and connected with the transmission shaft, and the counting device assembly is used for counting the action times of the indoor circuit breaker spring operating mechanism.
The gear transmission assembly further comprises a holding pawl shaft arranged between the left side plate of the mechanism and the right side plate of the mechanism, a holding pawl capable of being clamped on the pinion is sleeved on the holding pawl shaft, an energy storage handle is arranged on the outer side of the right side plate of the mechanism, the rear end of the holding pawl shaft is sleeved with the energy storage handle, and a handle reset spring sleeved on the holding pawl shaft is arranged on the energy storage handle.
The spring operating mechanism of the indoor circuit breaker has the advantages that: 1, a modularized mechanism integrating a closing spring, a separating spring and a three-phase output crank arm can be matched with more circuit breakers for use by modifying the force of the closing spring and the separating spring and the phase size of the three-phase output crank arm, and the structure is convenient to design and install, large in expansion space and convenient to operate; 2 can install two overcurrent electromagnet coils, lose undervoltage electromagnet coils, lock electromagnet coils and program lock etc. elements with protection function additional according to the demand, also designed the interlocking with push type chassis car simultaneously, prevent the interlocking of reclosing, the security is higher.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the left side view of the spring operator of the indoor circuit breaker of the present invention;
FIG. 2 is a right side elevational view of the spring operator of the indoor circuit breaker of the present invention;
fig. 3 is a front view of the indoor circuit breaker spring operator of the present invention;
FIG. 4 is a schematic diagram of the three-phase output lever assembly of the present invention;
FIG. 5 is a schematic view of the structure of the drive shaft of the present invention;
FIG. 6 is a schematic illustration of a gear assembly of the present invention;
FIG. 7 is a schematic illustration of another construction of a gear assembly of the present invention;
FIG. 8 is a view B-B of FIG. 3;
FIG. 9 is a view A-A of FIG. 3;
FIG. 10 is a schematic diagram of the auxiliary switch assembly of the present invention;
FIG. 11 is a schematic structural view of the chassis truck interlock plate of the present invention;
fig. 12 is a schematic view of a portion of the structure of the spring operator of the indoor circuit breaker of the present invention;
fig. 13 is a right side view of the indoor circuit breaker spring operator of the present invention;
FIG. 14 is a schematic view of the structure of the counting assembly of the present invention;
FIG. 15 is a schematic view of the energy storage handle of the present invention;
Fig. 16 is a schematic structural view of the energy storage indicating device of the present invention.
Detailed Description
As shown in fig. 1-16, the indoor breaker spring operating mechanism according to the present invention comprises a left side plate 1, a right side plate 2, a mounting support rod 3 for connecting the left side plate 1 and the right side plate 2 together, a brake separating spring 10 arranged outside the left side plate 1, a three-phase output crank arm assembly 21 and an energy storage motor 4, a closing spring 5 arranged outside the right side plate 2, a gear transmission assembly 80 arranged between the left side plate 1 and the right side plate 2, and a transmission shaft 19 penetrating the left side plate 1 and the right side plate 2, wherein the three-phase output crank arm assembly 21 comprises an output crank arm 46, an upper output crank arm 45, a middle output crank arm 47 and a lower output crank arm 48 rotatably arranged on the output crank arm 46, a brake separating spring fixing hole 50 is arranged on the output crank arm 46, one end of the brake separating spring 10 is fixed on the brake separating spring fixing hole 50, and the other end is fixed on the adjusting head 20; the middle output crank arm 47 is sleeved at the end part of the transmission shaft 19, the transmission shaft 19 is provided with a cam crank arm 26, the cam crank arm 26 is provided with a roller 53 corresponding to the gear transmission assembly 80, the energy storage motor 4 is connected with the gear transmission assembly 80, one end of the closing spring 5 is sleeved at the gear transmission assembly 80, the other end of the closing spring is fixed on the right side plate 2 of the mechanism through a hanging spring shaft 37, and the three-phase output crank arm assembly 21 is combined into a modularized mechanism integrally.
The gear transmission assembly 80 comprises a first shaft 55, a second shaft 56, a pinion 30, a large gear 28, a cam 27, a driving wheel 33 and a spring fixing shaft 57, wherein the first shaft 55 and the second shaft 56 are arranged between the left side plate 1 of the mechanism and the right side plate 2 of the mechanism in a penetrating way, the pinion 30 is sleeved on the first shaft 55, the large gear 28, the cam 27 and the driving wheel 33 are sleeved on the first shaft 55, the spring fixing shaft 57 is connected with the second shaft 56, the pinion 30 is meshed with the large gear 28 in a gear way, one end of the closing spring 5 is sleeved on the spring fixing shaft 57, the first shaft 55 is connected with the energy storage motor 4, and the cam 27 is matched with the roller 53; the gear transmission assembly 80 further comprises a brake separating shaft 35, a brake closing shaft 36, a brake closing pawl shaft 70, a brake separating pawl shaft 82 and a driving pawl 31 corresponding to the driving wheel 33, wherein the brake separating shaft 35, the brake closing shaft 36, the brake closing pawl shaft 70, the driving pawl 31 corresponding to the driving wheel 33, the brake closing pawl shaft 70 is sleeved with a brake closing pawl 32, one end of the brake closing pawl 32 corresponds to the driving wheel 33, the other end of the brake closing pawl 32 corresponds to the brake closing shaft 36, the brake separating pawl shaft 82 is sleeved with a brake separating pawl 25, one end of the brake separating pawl 25 corresponds to the cam crank arm 26, and the other end of the brake separating pawl 25 corresponds to the brake separating shaft 35.
The outside of mechanism left side board 1 is equipped with separating brake solenoid 12 and closing electromagnet coil 13, separating brake shaft 35 front end be equipped with separating brake action board 71 and separating brake reset spring 72 corresponding to separating brake solenoid 12, closing brake shaft 36 front end be equipped with closing brake action board 73 and closing brake reset spring 74 corresponding to closing electromagnet coil 13.
Still include auxiliary switch assembly 8, auxiliary switch assembly 8 includes auxiliary switch 60, first connecting rod 62, will auxiliary switch 60 with intermediate lever 61 that first connecting rod 62 connects, be equipped with connecting rod fixed orifices 49 on the output movable rod 46, the tip of first connecting rod 62 is fixed on the connecting rod fixed orifices 49, this structure can be reliable and stable carry out the rotation power output, and the fault tolerance is higher, is difficult for damaging auxiliary switch 60, and the structure is also compacter.
The mechanism left side board 1 outside is equipped with oil buffer 22, still the cover is equipped with oil buffer crank arm 58 on the transmission shaft 19, be equipped with on the oil buffer crank arm 58 with the corresponding oil buffer action gyro wheel 59 of oil buffer 22, the structural design of oil buffer 22 can effectively solve the brake bounce problem of separating.
The mechanism left side board 1 outside is equipped with chassis car interlocking plate 40, chassis car interlocking plate 40 upper and lower extreme is buckled and is formed interlocking plate linkage portion 65 and chassis car fender portion 64 respectively, be equipped with interlocking plate adjustment groove 66 on the chassis car interlocking plate 40, the closing shaft 36 front end still is equipped with interlocking plate action board 75, the rear end of closing shaft 36 is equipped with reclosure interlocking piece 76, the rear end of transmission shaft 19 be equipped with reclosure interlocking spring 38 corresponding to reclosure interlocking piece 76, interlocking plate linkage portion 65 with interlocking plate action board 75 is corresponding, and this structure possesses the interlocking with the push-type chassis car, prevents the interlocking of reclosure, and the security is higher.
The outside of the right side plate 2 of the mechanism is provided with a first overcurrent magnet coil 39 and a second overcurrent magnet coil 44, the rear end of the brake separating shaft 35 is provided with an overcurrent operation plate 77 corresponding to the first overcurrent magnet coil 39 and the second overcurrent magnet coil 44, the inside of the left side plate 1 of the mechanism is provided with a loss and under-voltage electromagnet coil 34 and a program lock 15, and the middle part of the brake separating shaft 35 is provided with a loss and under-voltage operation plate 78 corresponding to the loss and under-voltage electromagnet coil 34 and a program lock operation plate 79 corresponding to the program lock 15; the inside of the right side plate 2 of the mechanism is provided with a locking electromagnet coil 23, the middle part of the closing shaft 36 is provided with a locking action screw head 81 corresponding to the locking electromagnet coil 23, and the over-current electromagnet coil, the under-voltage electromagnet coil, the locking electromagnet coil and the program lock can be additionally arranged according to the requirements of customers, so that the device has reserved corresponding positions, is more flexible, has large expansion space and has better protection effect on a circuit breaker.
The counting device assembly 86 is arranged on the outer side of the left side plate 1 of the mechanism and connected with the transmission shaft 19, the counting device assembly 86 comprises a closing and opening indicating plate 11 fixed on the side part of the output movable rod 46, a counter 14 fixed on the outer side of the left side plate 1 of the mechanism, and a counting reset spring 89 connecting the closing and opening indicating plate 11 and the counter 14 together and is used for counting the action times of a spring operating mechanism of an indoor circuit breaker, and the counting device is humanized in design and is convenient to observe and count.
The gear transmission assembly 80 further comprises a holding pawl shaft 87 arranged between the left side plate 1 and the right side plate 2, the holding pawl shaft 87 is sleeved with a holding pawl 29 which can be clamped on the pinion 30, the outer side of the right side plate 2 of the mechanism is provided with an energy storage handle 18, the energy storage handle 18 is sleeved at the rear end of the holding pawl shaft 87, and the energy storage handle 18 is provided with a handle reset spring 88 sleeved on the holding pawl shaft 87.
The automatic switching mechanism is characterized by further comprising an energy storage indicating device 90 arranged on the outer side of the right side plate 2 of the mechanism, wherein the energy storage indicating device 90 comprises an energy storage indicating piece 24, a micro switch pressing plate 6 corresponding to the switching-on spring 5, an indicating piece linkage rod 91 connecting the energy storage indicating piece 24 with the micro switch pressing plate 6, and a micro switch 7 corresponding to the micro switch pressing plate 6, the micro switch pressing plate 6 is arranged below the switching-on spring 5, and the micro switch 7 is arranged below the micro switch pressing plate 6, so that the automatic switching mechanism is convenient to operate and instruct and prevents misoperation.
Working principle: the small gear 30 is driven to be meshed with the large gear 28 through the rotation of the energy storage motor 4, so that the driving wheel 33 rotates, the closing spring 5 is in a spring tension state and is in an energy storage state, and the closing pawl 32 is used for carrying out an energy storage energy holding state; the energy storage handle 18 may also be used for manual energy storage for energy retention. The electric operation switching-on electromagnet coil 13 and the switching-off electromagnet coil 12 perform mechanism switching-on and switching-off operation, manual operation can perform switching-on and switching-off operation by pressing an electromagnet coil moving rod, the second shaft 56 is rotated by the release energy of a spring to drive the cam 27 to strike the roller 53 on the cam crank arm 26, the rotation passing through the transmission shaft 19 is output by the middle output crank arm 47, and the three phases of the breaker switch are connected by the output moving rod 46 and simultaneously perform switching-on operation; the opening spring 10 releases energy to perform opening operation, and the oil buffer 22 solves the opening rebound, and one end of the opening spring 10 is provided with an adjusting head 20 for adjusting the output opening work.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The utility model provides an indoor circuit breaker spring operating device, includes mechanism left side board (1), mechanism right side board (2), will mechanism left side board (1) with installation bracing piece (3) that mechanism right side board (2) link together, its characterized in that: the three-phase output crank arm assembly (21) comprises an output movable rod (46) and an upper output crank arm (45), a middle output crank arm (47) and a lower output crank arm (48) which are rotatably arranged on the output movable rod (46), a brake separating spring fixing hole (50) is formed in the output movable rod (46), one end of the brake separating spring (10) is fixed on the brake separating spring fixing hole (50) and the other end of the brake separating spring is fixed on the adjustment head (20);
The middle output crank arm (47) is sleeved at the end part of the transmission shaft (19), a cam crank arm (26) is arranged on the transmission shaft (19), a roller (53) corresponding to the gear transmission assembly (80) is arranged on the cam crank arm (26), the energy storage motor (4) is connected with the gear transmission assembly (80), one end of the closing spring (5) is sleeved at the gear transmission assembly (80), and the other end of the closing spring is fixed on the right side plate (2) of the mechanism through a hanging spring shaft (37).
2. The indoor circuit breaker spring operator of claim 1, wherein: the gear transmission assembly (80) comprises a first shaft (55) and a second shaft (56) which are arranged between the left side plate (1) and the right side plate (2) in a penetrating mode, a pinion (30) sleeved on the first shaft (55), a large gear (28) sleeved on the first shaft (55), a cam (27) and a driving wheel (33), and a spring fixing shaft (57) connected with the second shaft (56), wherein the pinion (30) is meshed with the large gear (28), one end of a closing spring (5) is sleeved on the spring fixing shaft (57), the first shaft (55) is connected with an energy storage motor (4), and the cam (27) is matched with the roller (53).
3. The indoor circuit breaker spring operator of claim 1, wherein: the automatic switching device is characterized by further comprising an auxiliary switch assembly (8), wherein the auxiliary switch assembly (8) comprises an auxiliary switch (60), a first connecting rod (62) and an intermediate rod (61) for connecting the auxiliary switch (60) with the first connecting rod (62), a connecting rod fixing hole (49) is formed in the output movable rod (46), and the end part of the first connecting rod (62) is fixed on the connecting rod fixing hole (49).
4. The indoor circuit breaker spring operator of claim 1, wherein: the oil buffer is arranged on the outer side of the left side plate (1) of the mechanism, an oil buffer crank arm (58) is sleeved on the transmission shaft (19), and an oil buffer action roller (59) corresponding to the oil buffer (22) is arranged on the oil buffer crank arm (58).
5. The indoor circuit breaker spring operator of claim 2, wherein: the gear transmission assembly (80) further comprises a brake separating shaft (35), a brake closing shaft (36), a brake closing pawl shaft (70) and a brake separating pawl shaft (82) which are arranged between the left side plate (1) and the right side plate (2) in a penetrating manner, a brake closing pawl (32) is sleeved on the brake closing pawl shaft (70), one end of the brake closing pawl (32) corresponds to the driving wheel (33) and the other end of the brake closing pawl corresponds to the brake closing shaft (36), a brake separating pawl (25) is sleeved on the brake separating pawl shaft (82), one end of the brake separating pawl (25) corresponds to the cam crank arm (26) and the other end of the brake separating pawl corresponds to the brake separating shaft (35);
The automatic switching mechanism is characterized in that a switching-off electromagnet coil (12) and a switching-on electromagnet coil (13) are arranged on the outer side of the left side plate (1) of the mechanism, a switching-off action plate (71) and a switching-off reset spring (72) which correspond to the switching-off electromagnet coil (12) are arranged at the front end of the switching-off shaft (35), and a switching-on action plate (73) and a switching-on reset spring (74) which correspond to the switching-on electromagnet coil (13) are arranged at the front end of the switching-on shaft (36).
6. The indoor circuit breaker spring operator of claim 5, wherein: the mechanism left side board (1) outside is equipped with chassis car interlocking board (40), chassis car interlocking board (40) upper and lower extreme is buckled and is formed interlocking board linkage portion (65) and chassis car fender portion (64) respectively, be equipped with interlocking board adjustment tank (66) on chassis car interlocking board (40), closing shaft (36) front end still is equipped with interlocking board action board (75), the rear end of closing shaft (36) is equipped with reclosure interlocking piece (76), the rear end of transmission shaft (19) be equipped with reclosure interlocking spring (38) corresponding to reclosure interlocking piece (76), interlocking board linkage portion (65) with interlocking board action board (75) are corresponding.
7. The indoor circuit breaker spring operator of claim 5, wherein: the outside of the right side plate (2) of the mechanism is provided with a first overcurrent magnet coil (39) and a second overcurrent magnet coil (44), the rear end of the switch-off shaft (35) is provided with an overcurrent operation plate (77) corresponding to the first overcurrent magnet coil (39) and the second overcurrent magnet coil (44), the inside of the left side plate (1) of the mechanism is provided with a loss-in-voltage electromagnet coil (34) and a program lock (15), and the middle part of the switch-off shaft (35) is provided with a loss-in-voltage operation plate (78) corresponding to the loss-in-voltage electromagnet coil (34) and a program lock operation plate (79) corresponding to the program lock (15);
The inner side of the right side plate (2) of the mechanism is provided with a locking electromagnet coil (23), and the middle part of the closing shaft (36) is provided with a locking action screw head (81) corresponding to the locking electromagnet coil (23).
8. The indoor circuit breaker spring operator of claim 1, wherein: the indoor circuit breaker spring operating mechanism further comprises a counting device assembly (86) which is arranged on the outer side of the left side plate (1) of the mechanism and connected with the transmission shaft (19) and is used for counting the action times of the indoor circuit breaker spring operating mechanism.
9. The indoor circuit breaker spring operator of claim 2, wherein: the gear transmission assembly (80) further comprises a holding pawl shaft (87) arranged between the left side plate (1) and the right side plate (2) of the mechanism, a holding pawl (29) capable of being clamped on the pinion (30) is sleeved on the holding pawl shaft (87), an energy storage handle (18) is arranged on the outer side of the right side plate (2) of the mechanism, the energy storage handle (18) is sleeved at the rear end of the holding pawl shaft (87), and a handle reset spring (88) sleeved on the holding pawl shaft (87) is arranged on the energy storage handle (18).
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CN202111292526.8A CN113871270B (en) | 2021-11-03 | 2021-11-03 | Spring operating mechanism of indoor circuit breaker |
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CN202111292526.8A CN113871270B (en) | 2021-11-03 | 2021-11-03 | Spring operating mechanism of indoor circuit breaker |
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CN113871270B true CN113871270B (en) | 2024-05-31 |
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CN207966837U (en) * | 2018-04-13 | 2018-10-12 | 浙江恒控电气有限公司 | A kind of multifunction combined vacuum circuit breaker |
CN110867338A (en) * | 2019-12-08 | 2020-03-06 | 上海洪电电气有限公司 | Circuit breaker mechanism |
CN216054543U (en) * | 2021-11-03 | 2022-03-15 | 慧泽电气有限公司 | Indoor circuit breaker spring operating mechanism |
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