CN215834488U - Circuit breaker operating mechanism - Google Patents
Circuit breaker operating mechanism Download PDFInfo
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- CN215834488U CN215834488U CN202122333349.5U CN202122333349U CN215834488U CN 215834488 U CN215834488 U CN 215834488U CN 202122333349 U CN202122333349 U CN 202122333349U CN 215834488 U CN215834488 U CN 215834488U
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Abstract
The utility model discloses a circuit breaker operating mechanism, comprising: the sealing plate, install sealing plate one side and two curb plates of relative arrangement, main shaft, main turning arm, change-over spindle, first output turning arm, two second output turning arms and divide closing brake actuating mechanism, the main shaft with the change-over spindle is all rotated and is installed two just mutual parallel arrangement between the curb plate, main turning arm fixed mounting be in on the main shaft, two second output turning arm equal fixed mounting be in on the change-over spindle, first output turning arm axle is established two between the curb plate and with two second output turning arm is the triangular distribution, the one end of first output turning arm with main turning arm one end is rotated and is connected, just first output turning arm be close to its this one end department through first transmission assembly with the change-over spindle rotates and connects. The circuit breaker operating mechanism is compact in structure, stable and reliable in performance and convenient to assemble, and the whole size is reduced.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker operating mechanism.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening a current under a normal circuit condition, and closing, carrying, and opening a current under an abnormal circuit condition (including a short-circuit condition) within a prescribed time. The circuit breaker can be used for distributing electric energy, starting a motor infrequently, protecting a power supply circuit, the motor and the like, automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, and generally does not need to change parts after breaking fault current.
At present, the breaking of the circuit breaker is generally realized by the action of an operating mechanism. The existing circuit breaker operating mechanism generally adopts a box body type, all parts are integrated in a machine box, then the machine box is fixedly installed on one side of a sealing aluminum plate, three output connecting levers are installed on a main shaft at intervals in parallel, and the three output connecting levers are connected with circuit breakers arranged side by side on the other side of the sealing aluminum plate in a three-phase one-to-one correspondence mode. The operating mechanism adopting the mode at least has the following defects: 1. because the three output crank arms are arranged on the main shaft side by side and a certain distance needs to be ensured, the main shaft needs to be configured to be long enough, so that the case has a larger volume and occupies a larger space, and the use requirements of small-space places such as a wind power tower cylinder and the like cannot be met; 2. each output crank arm needs to be provided with a brake separating spring respectively, the structure is complex, and the assembly is difficult due to the limitation of a case. Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.
Disclosure of Invention
The utility model aims to solve the problem of providing a circuit breaker operating mechanism to overcome the defects of large volume, large occupied space, complex structure and difficult assembly of the existing circuit breaker operating mechanism.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a circuit breaker operating mechanism comprising: a sealing plate, two side plates which are arranged at one side of the sealing plate and are oppositely arranged, a main shaft, a main crank arm, a conversion shaft, a first output crank arm, two second output crank arms and a switching-on and switching-off driving mechanism, the main shaft and the conversion shaft are rotatably arranged between the two side plates and are arranged in parallel, the main crank arm is fixedly arranged on the main shaft, the two second output crank arms are both fixedly arranged on the conversion shaft, the first output crank arm shaft is arranged between the two side plates and is distributed in a triangular manner with the two second output crank arms, one end of the first output crank arm is rotatably connected with one end of the main crank arm, and the first output crank arm is rotatably connected with the conversion shaft at the position close to one end of the first output crank arm through a first transmission component, the switching-on and switching-off driving mechanism can drive the main connecting lever to rotate, and then the main connecting lever and the two second output connecting levers are linked to rotate clockwise or anticlockwise synchronously.
As a further improvement of the present invention, the first transmission assembly includes a transmission connecting plate and a transmission connecting lever, the transmission connecting lever is fixedly mounted on the converting shaft, one end of the transmission connecting plate is rotatably connected to the transmission connecting lever, and the other end of the transmission connecting plate is rotatably connected to the first output connecting lever.
As a further improvement of the utility model, the opening and closing driving mechanism comprises an opening spring positioned on one side of one of the side plates, an opening crank arm is fixedly mounted on the main shaft, one end of the opening spring is axially arranged on the opening crank arm, and the other end of the opening spring is axially arranged on the sealing plate.
As a further improvement of the utility model, a buffer device is arranged on one side of the side plate, a buffer crank arm matched with the buffer device for use is fixedly arranged on the main shaft, and the brake-separating spring can drive the buffer crank arm to abut against the buffer device in the process of pulling the brake-separating spring to rotate.
As a further improvement of the present invention, the output ends of the first output crank arm and the two second output crank arms are respectively provided with a rotatable rotation pin, the rotation pins are respectively and fixedly provided with a screw rod, and the first output crank arm and the two second output crank arms can respectively drive the respective screw rods to horizontally reciprocate through the rotation pins in the synchronous rotation process.
As a further improvement of the utility model, the opening and closing driving mechanism comprises a rotating shaft rotatably mounted between the two side plates, a holding pawl rotatably sleeved on the rotating shaft, a cam fixedly mounted on the rotating shaft, an opening operation assembly and a closing operation assembly;
the brake-separating operation assembly comprises a brake-separating driving connecting lever, a brake-separating connecting plate and a brake-separating pawl, the brake-separating driving connecting lever is rotatably connected with the brake-separating pawl through the brake-separating connecting plate, and two ends of the holding pawl can be respectively abutted against the brake-separating pawl and the main connecting lever when the circuit breaker is in a closed state;
the closing operation assembly comprises a closing driving connecting lever, a closing connecting plate and a closing pawl, the closing driving connecting lever is connected with the closing pawl in a rotating mode, and the cam can be in butt connection with the closing pawl in the opening and energy storage state of the circuit breaker.
As a further improvement of the utility model, the opening and closing driving mechanism further comprises an energy storage mechanism, the energy storage mechanism comprises a pressure spring assembly, a gear and a driving device, one end of the pressure spring assembly is axially arranged on one of the side plates, the other end of the pressure spring assembly is connected to the rotating shaft through an energy storage crank arm, the gear is rotatably sleeved on the rotating shaft, a clutch pawl is movably arranged on the gear, a clutch wheel is fixedly arranged on the rotating shaft, and the driving device can drive the gear to rotate to drive the rotating shaft to rotate through the mutual matching of the clutch pawl and the clutch wheel so as to drive the pressure spring assembly to perform compression energy storage.
As a further improvement of the utility model, the drive means comprises a first gear shaft driven by the motor and a second gear shaft driven by the handle, both of which are rotatably mounted between the two side plates and are in mesh with the gears.
As a further improvement of the utility model, one side of one side plate is provided with a microswitch for controlling the operation of the motor, and the microswitch can be just triggered when the energy storage crank arm rotates and stores energy in place.
As a further improvement of the utility model, one side of one side plate is provided with an auxiliary switch, and the main shaft is connected with the auxiliary switch through a second transmission assembly.
The utility model has the beneficial effects that: the utility model provides a circuit breaker operating mechanism which is provided with a first output connecting lever and two second output connecting levers, wherein the first output connecting lever and the two second output connecting levers are respectively in one-to-one correspondence with three phases of a circuit breaker; install the separating brake spring between main shaft and closing plate, can accomplish the separating brake action through a separating brake spring, need not to install alone on first output connecting lever and two second output connecting levers, its simple structure, the assembly of being convenient for, operating device need not to use quick-witted case moreover, directly installs on the closing plate through the curb plate, save material and cost, also further reduce the shared space of circuit breaker simultaneously.
Drawings
Fig. 1 is a perspective view of the circuit breaker operating mechanism of the present invention;
fig. 2 is a perspective view of the circuit breaker operating mechanism of the present invention from another perspective;
fig. 3 is a perspective view of the circuit breaker operating mechanism of the present invention with one side plate and the buffering device removed;
FIG. 4 is a perspective view of the opening and closing drive mechanism of the present invention;
FIG. 5 is a schematic structural diagram of the circuit breaker operating mechanism in a closing state according to the present invention;
fig. 6 is a schematic structural diagram of the circuit breaker operating mechanism in an energy storage state.
The following description is made with reference to the accompanying drawings:
1-sealing plate; 201-side plate;
202-main shaft; 203-main crank arm;
204-conversion shaft; 205 — first output crank arm;
206-second output crank arm; 207-drive link plate;
208-transmission crank arm; 209-opening spring;
210-opening crank arm; 211-damping means;
212-buffer crank arm; 213-rotation pin;
214-screw; 215-axis of rotation;
216 — holding catch; 217-cam;
218-opening driving crank arm; 219-separating brake connecting plate;
220-brake separating pawl; 221-closing driving crank arm;
222-closing connecting plate; 223-closing pawl;
224-compression spring assembly; 225-Gear;
226-energy storage crank arm; 227-clutch pawl;
228-clutch pulley; 229-an electric motor;
230 — first gear shaft; 231 — a handle;
232-second gear shaft; 233 — micro switch;
234-auxiliary switch.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 6, the present invention provides a circuit breaker operating mechanism including: the device comprises a sealing plate 1, two side plates 201 which are arranged on one side of the sealing plate 1 and are arranged oppositely, a main shaft 202, a main crank arm 203, a conversion shaft 204, a first output crank arm 205, two second output crank arms 206 and a switching-on/off driving mechanism.
Specifically, the main shaft 202 and the conversion shaft 204 are rotatably mounted between the two side plates 201 through bearings and are arranged in parallel to each other. The main shaft 202 and the conversion shaft 204 are both provided with splines along the axial direction, the middle part of the main crank arm 203 is fixedly sleeved on the main shaft 202, and the two second output crank arms 206 are symmetrically and fixedly sleeved on the conversion shaft 204. The first output connecting lever 205 is bent along the middle part to form an obtuse angle connecting lever structure, the bent part of the first output connecting lever is rotatably installed between the two side plates 201 through a pin shaft, the first output connecting lever 205 is located on the perpendicular bisector of the two second output connecting levers 206 and located above the perpendicular bisector, and the first output connecting lever 205 and the two second output connecting levers 206 are distributed in an isosceles triangle shape. One end of the first output crank arm 205, which is far away from the sealing plate 1, is rotatably connected with one end of the main crank arm 203 through a connecting plate, and the first output crank arm 205 is rotatably connected with the switching shaft 204 near the end through a first transmission assembly. The first transmission assembly comprises a transmission connecting plate 207 and a transmission connecting lever 208, the transmission connecting lever 208 is fixedly arranged on the conversion shaft 204, one end of the transmission connecting plate 207 is rotatably connected with the transmission connecting lever 208, and the other end of the transmission connecting plate 207 is rotatably connected with the first output connecting lever 205.
Wherein, the rotatable rotation pins 213 are respectively installed at the output ends of the first output crank arm 205 and the two second output crank arms 206, namely, at the ends close to the sealing plate 1, and the screw rods 214 are respectively fixedly installed on the rotation pins 213. The other side of the sealing plate 1 is provided with three-phase solid-sealed polar columns, and the three screw rods 214 are respectively connected with the three-phase solid-sealed polar columns of the circuit breaker in a one-to-one correspondence manner. The switching-on and switching-off driving mechanism can drive the main connecting lever 203 to rotate, then is linked to enable the first output connecting lever 205 and the two second output connecting levers 206 to synchronously rotate clockwise or anticlockwise, and in the synchronous rotating process of the first output connecting lever 205 and the two second output connecting levers 206, the rotating pins 213 can respectively drive the screw rods 214 to horizontally reciprocate, so that the circuit breaker is driven to synchronously switch between a switching-on state and a switching-off state in three phases. Adopt above-mentioned structure, all install on the conversion shaft 204 through with two second output connecting lever 206, first output connecting lever 205 sets up in two second output connecting lever 206 tops and is the triangular distribution, can drive two second output connecting lever 206 and follow the rotation in step through first drive assembly when first output connecting lever 205 rotates, under the distribution interval that guarantees to satisfy the requirement, reduce the length of conversion shaft 204 to a great extent, moreover, the steam generator is compact in structure, the whole volume has been reduced, can satisfy the user demand to little space places such as wind power tower section of thick bamboo, and the stable performance is reliable.
Referring to fig. 2 and 3, the opening and closing driving mechanism includes an opening spring 209 located outside the right side plate 201, the right end of the main shaft 202 extends and is exposed outside the right side plate 201, and an opening connecting lever 210 is fixedly mounted at the right end, one end of the opening spring 209 is mounted at the end of the opening connecting lever 210 through another rotating pin 213, and the other end of the opening spring 209 is axially mounted on the sealing plate 1 through a spring mounting seat. During opening, the opening spring 209 can pull the main shaft 202 to rotate clockwise through the opening connecting lever 210, so that the main connecting lever 203 pulls the first output connecting lever 205 to rotate counterclockwise through the connecting plate, meanwhile, the first output connecting lever 205 drives the conversion shaft 204 to rotate counterclockwise through the transmission connecting plate 207 and the transmission connecting lever 208, finally, the two second output connecting levers 206 are driven to rotate counterclockwise synchronously, and the three-phase opening of the circuit breaker is pulled through the screw 214. Therefore, the opening action can be completed through one opening spring 209, the opening spring 209 does not need to be independently installed on the first output crank arm 205 and the two second output crank arms 206, and the structure is simple and convenient to assemble. In addition, because can directly install separating brake spring 209 on closing plate 1, abandon the tradition and install the mode on quick-witted case, and then this application operating device need not to use quick-witted case, save material and cost, also further reduce the shared space of circuit breaker simultaneously.
A buffer device 211 is further mounted on the outer side of the right side plate 201, a buffer crank arm 212 used in cooperation with the buffer device 211 is fixedly mounted on the main shaft 202, a roller is mounted on an end portion of the buffer crank arm 212, and the buffer device 211 is located right below the roller. In the present embodiment, the damping device 211 is a hydraulic damper, but other devices having a damping function may be adopted, and the present application is not limited thereto. During brake opening, the brake opening spring 209 can drive the buffering connecting lever 212 to rotate in the rotation process of the brake opening spring 209, so that the roller on the buffering connecting lever is abutted to the buffering device 211, the buffering effect is achieved, severe impact is avoided, and potential safety hazards caused by impact are avoided.
Referring to fig. 3 and 4, the switching-closing driving mechanism further includes a rotating shaft 215 rotatably installed between the two side plates 201, a holding catch 216, a cam 217 fixedly installed on the rotating shaft 215, a switching-off operating assembly, a switching-on operating assembly, and an energy storage mechanism. The brake-separating operation component comprises a brake-separating driving crank arm 218, a brake-separating connecting plate 219, a brake-separating latch 220 and a brake-separating coil, wherein the brake-separating coil is arranged opposite to the brake-separating driving crank arm 218, the brake-separating driving crank arm 218 is rotatably connected with the brake-separating latch 220 through the brake-separating connecting plate 219, and a reset torsion spring is mounted on the brake-separating latch 220. The middle part of the holding latch 216 is rotatably sleeved on the rotating shaft 215, the upper end of the holding latch is provided with a roller, and the lower end of the holding latch is provided with a small latch. Two rollers which are arranged in a staggered mode are installed at the other end of the main crank arm 203, when the circuit breaker is in a closing state, the roller at the upper end of the holding latch 216 abuts against the opening latch 220, and the small latch at the lower end of the holding latch 216 abuts against one of the rollers of the main crank arm 203. The closing operation assembly comprises a closing driving connecting lever 221, a closing connecting plate 222, a closing pawl 223 and a closing coil, the closing coil is arranged opposite to the closing driving connecting lever 221, the closing driving connecting lever 221 is rotatably connected with the closing pawl 223 through the closing connecting plate 222, and a reset torsion spring is mounted on the closing pawl 223. The cam 217 can abut against the closing latch 223 when the circuit breaker is opened and in the energy storage state, and the other roller of the main crank arm 203 is positioned on a path along which the cam 217 rotates clockwise.
Referring to fig. 1 and 4, the energy storage mechanism includes a pressure spring assembly 224, a gear 225 and a driving device, one end of the pressure spring assembly 224 is axially disposed on the side plate 201 on the left side, the other end of the pressure spring assembly 224 is connected to the rotating shaft 215 through an energy storage crank arm 226, the gear 225 is rotatably sleeved on the rotating shaft 215, a clutch pawl 227 is movably mounted on the gear 225, a clutch wheel 228 is fixedly mounted on the rotating shaft 215, and the driving device can drive the gear 225 to rotate to drive the rotating shaft 215 to rotate through the mutual cooperation of the clutch pawl 227 and the clutch wheel 228 so as to drive the pressure spring assembly 224 to store energy. Wherein the driving means includes a first gear shaft 230 driven by a motor 229 and a second gear shaft 232 driven by a handle 231, the first gear shaft 230 and the second gear shaft 232 are rotatably mounted between the two side plates 201 through one-way bearings and engaged with the gear 225. In addition, an auxiliary switch 234 and a micro switch 233 for controlling the operation of the motor 229 are installed on the outer side of the left side plate 201, and the micro switch 233 can be just triggered when the energy storage crank arm 226 rotates to store energy in place. The main shaft 202 is connected with the auxiliary switch 234 through a second transmission assembly, the second transmission assembly comprises a connecting plate and a switch connecting lever, the switch connecting lever is fixedly arranged on the main shaft 202, and two ends of the connecting plate are respectively and rotatably connected to the switch connecting lever and the auxiliary switch 234; when the main shaft 202 rotates, the auxiliary switch 234 can be triggered and a signal can be transmitted to an external indicator light or a display device to display the current operating mode of the circuit breaker.
The working principle of the embodiment is as follows:
when the circuit breaker is in a closing state, the roller at the upper end of the holding latch 216 abuts against the opening latch 220, and the small latch at the lower end of the holding latch 216 abuts against one roller of the main crank arm 203; when the brake is required to be opened, the brake-opening coil is driven manually or electrically to impact the brake-opening driving crank arm 218 to rotate clockwise, the brake-opening pawl 220 is pushed to rotate clockwise through the brake-opening connecting plate 219 to avoid the roller at the upper end of the holding pawl 216, so that the roller can rotate clockwise to drive the small pawl to avoid the main crank arm 203, the main crank arm 203 is not limited, at the moment, the brake-opening crank arm 210 rotates clockwise under the pulling of the brake-opening spring 209 to drive the main shaft 202 to rotate clockwise, the main crank arm 203 also rotates clockwise, the first output crank arm 205 is pulled through the connecting plate to rotate anticlockwise around the pin shaft, and the corresponding breaker B-phase brake is pulled through the screw 214; meanwhile, the first output connecting lever 205 pushes the transmission connecting lever 208 to rotate anticlockwise through the transmission connecting plate 207, drives the conversion shaft 204 to rotate anticlockwise, enables the two second output connecting levers 206 to rotate anticlockwise, and pulls the corresponding circuit breaker A, C to open the two phases through respective screw rods 214, so that the circuit breaker integrally realizes opening;
when the breaker is in a brake-off state, energy storage is needed firstly, the gear 225 is driven to rotate clockwise through the handle 231 or the motor 229, the clutch pawl 227 on the gear 225 abuts against a notch on the clutch wheel 228, so that the clutch wheel 228 rotates clockwise, the energy storage crank arm 226 is driven to rotate clockwise, the pressure spring assembly 224 is in a compression energy storage state, the cam 217 is driven to rotate clockwise to the upper side, and when energy storage is in place through a critical point, the micro switch 233 is triggered, and the motor 229 is controlled to stop running; at this time, the clutch pawl 227 is pulled away by a pin on the side plate 201 (the clutch pawl 227 is provided with a reset torsion spring which automatically resets after being disengaged from the pin), and is released from the clutch wheel 228, so that the energy storage transmission system is disconnected, and the roller on the cam 217 is abutted by the closing pawl 223, so that the circuit breaker is in an energy storage state; when the breaker is in an open-brake stored energy state, a closing coil is manually or electrically driven, the closing coil impacts a closing driving connecting lever 221 to rotate clockwise, a closing connecting plate 222 pushes a closing pawl 223 to rotate clockwise, a roller on an opening cam 217 is avoided, the cam 217 can rotate clockwise, at the moment, a pressure spring assembly 224 pulls an energy storage connecting lever 226 to rotate clockwise, the cam 217 is driven to rotate clockwise, another roller on a main connecting lever 203 is impacted, the main connecting lever 203 rotates anticlockwise, a first output connecting lever 205 is pushed to rotate clockwise around a pin shaft through the connecting plate, and a corresponding breaker B is pushed to close the brake through a screw 214; meanwhile, the first output connecting lever 205 pushes the transmission connecting lever 208 to rotate clockwise through the transmission connecting plate 207, so as to drive the converting shaft 204 to rotate clockwise, so that the two second output connecting levers 206 also rotate clockwise, and the corresponding two phases of the circuit breaker A, C are pushed to be switched on through the respective screw 214, so that the circuit breaker is switched on integrally.
It should be noted that, in the present embodiment, the "counterclockwise" and "clockwise" rotation directions are both described with reference to fig. 5 and 6.
Therefore, the circuit breaker operating mechanism is provided with the first output connecting lever and the two second output connecting levers, the first output connecting lever and the two second output connecting levers correspond to three phases of a circuit breaker one by one respectively, the two second output connecting levers are arranged on the conversion shaft, the first output connecting lever is arranged above the two second output connecting levers and distributed in a triangular mode, the main shaft drives the first output connecting lever to rotate under the driving rotation of the opening and closing driving mechanism, the first output connecting lever is linked with the two second output connecting levers to rotate synchronously, and then the switching of the circuit breaker between the opening state and the closing state is realized, so that the length of the shaft is reduced to a great extent under the condition that the distribution interval meeting the requirements is ensured, the operating mechanism is compact in structure, the whole volume is reduced, the use requirements for small space places such as a wind power tower and the like can be met, and the performance is stable and reliable; install the separating brake spring between main shaft and closing plate, can accomplish the separating brake action through a separating brake spring, need not to install alone on first output connecting lever and two second output connecting levers, its simple structure, the assembly of being convenient for, operating device need not to use quick-witted case moreover, directly installs on the closing plate through the curb plate, save material and cost, also further reduce the shared space of circuit breaker simultaneously.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. A circuit breaker operating mechanism, comprising: the sealing plate comprises a sealing plate (1), two side plates (201), a main shaft (202), a main crank arm (203), a conversion shaft (204), a first output crank arm (205), two second output crank arms (206) and a switching-on/off driving mechanism, wherein the two side plates (201), the main shaft (202), the main crank arm (203), the two second output crank arms (206) and the switching-on/off driving mechanism are oppositely arranged on one side of the sealing plate (1), the main shaft (202) and the conversion shaft (204) are rotatably arranged between the two side plates (201) in a mutually parallel mode, the main crank arm (203) is fixedly arranged on the main shaft (202), the two second output crank arms (206) are fixedly arranged on the conversion shaft (204), the first output crank arm (205) is axially arranged between the two side plates (201) and is in triangular distribution with the two second output crank arms (206), one end of the first output crank arm (205) is rotatably connected with one end of the main arm (203), and the first output crank arm (205) is rotatably connected with the conversion shaft (204) through a first transmission component at a position close to one end of the first output crank arm And the switching-on and switching-off driving mechanism can drive the main connecting lever (203) to rotate, and then the main connecting lever and the switching-on and switching-off driving mechanism are linked to enable the first output connecting lever (205) and the two second output connecting levers (206) to rotate clockwise or anticlockwise synchronously.
2. The circuit breaker operating mechanism of claim 1 wherein: the first transmission assembly comprises a transmission connecting plate (207) and a transmission connecting lever (208), the transmission connecting lever (208) is fixedly mounted on the conversion shaft (204), one end of the transmission connecting plate (207) is rotatably connected with the transmission connecting lever (208), and the other end of the transmission connecting plate is rotatably connected with the first output connecting lever (205).
3. The circuit breaker operating mechanism of claim 1 wherein: divide-shut brake actuating mechanism is including being located one of them branch brake spring (209) of curb plate (201) one side, fixed mounting has separating brake turning arm (210) on main shaft (202), the one end axle of separating brake spring (209) is established on separating brake turning arm (210), and the other end axle is established on sealing plate (1).
4. The circuit breaker operating mechanism of claim 3 wherein: buffer (211) are installed to one side of curb plate (201), fixed mounting has on main shaft (202) with buffer (211) cooperation use buffering turning arm (212), separating brake spring (209) pulling separating brake spring (209) rotate the in-process and can drive buffering turning arm (212) are supported and are put on buffer (211).
5. The circuit breaker operating mechanism of claim 1 wherein: first output connecting lever (205) and two rotatable rotating pin (213) are all installed to the output of second output connecting lever (206), all fixed mounting has screw rod (214) on rotating pin (213), first output connecting lever (205) and two the synchronous rotation in-process of second output connecting lever (206) can pass through respectively rotating pin (213) drive separately screw rod (214) horizontal reciprocating motion.
6. The circuit breaker operating mechanism of claim 1 wherein: the opening and closing driving mechanism comprises a rotating shaft (215) rotatably installed between the two side plates (201), a holding pawl (216) rotatably sleeved on the rotating shaft (215), a cam (217) fixedly installed on the rotating shaft (215), an opening operation assembly and a closing operation assembly;
the brake-separating operation assembly comprises a brake-separating driving crank arm (218), a brake-separating connecting plate (219) and a brake-separating latch (220), the brake-separating driving crank arm (218) is rotatably connected with the brake-separating latch (220) through the brake-separating connecting plate (219), and two ends of the holding latch (216) can be respectively abutted against the brake-separating latch (220) and the main crank arm (203) when the circuit breaker is in a closed state;
the closing operation assembly comprises a closing driving connecting lever (221), a closing connecting plate (222) and a closing pawl (223), the closing driving connecting lever (221) is connected with the closing pawl (223) in a rotating mode through the closing connecting plate (222), and the cam (217) can abut against the closing pawl (223) in the opening and energy storage states of the circuit breaker.
7. The circuit breaker operating mechanism of claim 6 wherein: divide closing actuating mechanism still includes energy memory mechanism, energy memory mechanism includes pressure spring subassembly (224), gear (225) and drive arrangement, one end axle of pressure spring subassembly (224) is established one of them on curb plate (201), and the other end passes through energy storage turning arm (226) to be connected on pivot (215), gear (225) rotate the suit and are in on pivot (215), movable mounting has the sincere son of separation and reunion (227) on gear (225), fixed mounting has clutch wheel (228) on pivot (215), drive arrangement can drive gear (225) rotate and pass through sincere son of separation and reunion (227) with clutch wheel (228) drive each other the pivot (215) are rotatory in order to drive pressure spring subassembly (224) compress the energy storage.
8. The circuit breaker operating mechanism of claim 7 wherein: the driving device comprises a first gear shaft (230) driven by a motor (229) and a second gear shaft (232) driven by a handle (231), wherein the first gear shaft (230) and the second gear shaft (232) are rotatably arranged between the two side plates (201) and are meshed with the gear (225).
9. The circuit breaker operating mechanism of claim 8 wherein: one side of one side plate (201) is provided with a micro switch (233) used for controlling the operation of the motor (229), and the micro switch (233) can be just triggered when the energy storage crank arm (226) rotates to store energy in place.
10. The circuit breaker operating mechanism of claim 1 wherein: an auxiliary switch (234) is installed on one side of one side plate (201), and the main shaft (202) is connected with the auxiliary switch (234) through a second transmission assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122333349.5U CN215834488U (en) | 2021-09-26 | 2021-09-26 | Circuit breaker operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122333349.5U CN215834488U (en) | 2021-09-26 | 2021-09-26 | Circuit breaker operating mechanism |
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| CN215834488U true CN215834488U (en) | 2022-02-15 |
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| CN202122333349.5U Active CN215834488U (en) | 2021-09-26 | 2021-09-26 | Circuit breaker operating mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937572A (en) * | 2022-07-25 | 2022-08-23 | 江苏华唐电器有限公司 | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above |
-
2021
- 2021-09-26 CN CN202122333349.5U patent/CN215834488U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114937572A (en) * | 2022-07-25 | 2022-08-23 | 江苏华唐电器有限公司 | Compound maintaining spring operating mechanism of vacuum circuit breaker with voltage of 66kV and above |
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