CN202018894U - Electric operating mechanism of circuit breaker - Google Patents
Electric operating mechanism of circuit breaker Download PDFInfo
- Publication number
- CN202018894U CN202018894U CN2011201502365U CN201120150236U CN202018894U CN 202018894 U CN202018894 U CN 202018894U CN 2011201502365 U CN2011201502365 U CN 2011201502365U CN 201120150236 U CN201120150236 U CN 201120150236U CN 202018894 U CN202018894 U CN 202018894U
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- ratchet
- support
- operating mechanism
- electric operating
- circuit
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Abstract
The utility model relates to an electric operating mechanism of a circuit breaker, which comprises a support mounted on a spindle. The spindle is provided with a ratchet wheel, the ratchet wheel and the spindle can rotate on the support, the ratchet wheel is provided with a power operating pawl which correspondingly matches with the ratchet wheel, and the power operating pawl is connected with a crank and rocker mechanism which is arranged on the support and used for driving the power operating pawl to reciprocate. The crank and rocker mechanism is connected with a speed reducer and a motor, so that the power operating pawl pushes the ratchet wheel and the spindle to rotate under action of the crank and rocker mechanism, power loss of the motor can be reduced, energy utilization rate is improved, after the spindle rotates to a set position, the power operating pawl contacts with a positioning surface, over movement of the spindle under inertia action of the motor is avoided, the spindle assuredly drives the circuit breaker to operate, stable and reliable movement is realized, and a positioning pawl can prevent the ratchet wheel from rotating reversely. The electric operating mechanism is compact in structure, convenient in installation and use, long in service life, low in service cost and fine in applicability, and is safe and reliable.
Description
Technical field
The utility model relates to a kind of motor-operating mechanism, and especially a kind of electric operating mechanism of circuit-breaker belongs to the technical field of breaker operator.
Background technology
Electric operating mechanism of circuit-breaker is a kind of operating mechanism that is used to control circuit-breaker status; Existing motor-operating mechanism complex structure, kinematic error is bigger, when needing the bigger kinetic energy of consumption motor to export, just can reach corresponding mode of operation; Simultaneously, robust motion is poor, and useful life is short, the use cost height; Installation volume is big, and is big to the space requirement of installing, and installs poor for applicability.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of electric operating mechanism of circuit-breaker is provided, and its compact conformation is easy to install, and robust motion is good, long service life, and use cost is low, and applicability is good, and is safe and reliable.
According to the technical scheme that the utility model provides, described electric operating mechanism of circuit-breaker comprises the support that is installed on the main shaft; On the described main shaft ratchet is installed, described ratchet and main shaft can rotate on support; Ratchet is provided with the dependent power operation ratchet of corresponding matching, is used to drive the reciprocating crank and rocker mechanism of dependent power operation ratchet on described dependent power operation ratchet and the support and links to each other.
The end edge of described ratchet is provided with the locating surface of removing gear, and the corresponding angle of described locating surface is 30 ~ 36 degree.
Described crank and rocker mechanism comprises rocking bar, one end of described rocking bar is articulated on the main shaft, rocking bar is provided with connecting rod and fixed head corresponding to the other end that links to each other with main shaft, one end of described fixed head is hinged with connecting rod, rocking bar simultaneously, the other end of fixed head is articulated on the rocking bar by alignment pin and operation pawl restoring spring, and described operation pawl restoring spring contacts with the dependent power operation ratchet; The dependent power operation ratchet is articulated on the fixed head, dependent power operation ratchet and ratchet corresponding matching.
Described support is provided with the location ratchet, and pawl restoring spring is hinged is installed on the support by location ratchet jointed shaft and location for described location ratchet, the location pawl restoring spring with locate ratchet and contact; Location ratchet and ratchet corresponding matching.
Described connecting rod links to each other with the power-driven mechanism of crank and rocker mechanism corresponding to the other end that links to each other with fixed head, rocking bar.
Described power-driven mechanism comprises the decelerator that is installed on the support, and the output shaft of described decelerator links to each other with connecting rod by eccentric shaft, and input shaft of speed reducer links to each other with the power shaft of motor, and described motor is fixedly installed on the support.
Described support is provided with crossbeam.One end of described connecting rod is hinged with fixed head, rocking bar by the rod hinge connection axle simultaneously.Described dependent power operation ratchet is articulated on the fixed head by operation ratchet jointed shaft.
Advantage of the present utility model: support is installed on the main shaft, main shaft is provided with ratchet, ratchet is provided with the locating surface of removing gear, ratchet is respectively at dependent power operation ratchet and the corresponding cooperation of location ratchet, the dependent power operation ratchet is installed on crank and rocker mechanism, crank and rocker mechanism links to each other with decelerator and motor, thereby the dependent power operation ratchet again under the crank and rocker mechanism effect promotion ratchet and main shaft rotate, can reduce the power of electric motor loss, improved capacity usage ratio, after main shaft turns to desired location, the dependent power operation ratchet contacts with locating surface, has avoided main shaft to produce the motion phenomenon under the motor effect of inertia, guarantees that main shaft drives the mode of operation of circuit breaker, motion is steadily reliable, and the location ratchet can prevent the counter-rotating of ratchet; Compact conformation, easy to install, long service life, use cost is low, and applicability is good, and is safe and reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model crank and rocker mechanism.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As Fig. 1 ~ shown in Figure 2: the utility model comprises motor 1, crossbeam 2, support 3, decelerator 4, connecting rod 5, fixed head 6, rocking bar 7, dependent power operation ratchet 8, location ratchet 9, ratchet 10, eccentric shaft 11, main shaft 12, location pawl restoring spring 13, location ratchet jointed shaft 14, locating surface 15, rod hinge connection axle 16, alignment pin 17, operation ratchet jointed shaft 18, rocking bar installing hole 19, operation pawl restoring spring 20, connecting rod installing hole 21 and crank and rocker mechanism 22.
As shown in Figure 1: described support 3 is installed on the main shaft 12, and main shaft 12 is the operating axis of circuit breaker; When main shaft 12 rotates, can regulate the on off state of circuit breaker.Main shaft 12 is provided with ratchet 10, and described ratchet 10 is fixedly installed on the main shaft 12, and main shaft 12 can rotate on support 3 with ratchet 10.Ratchet 10 is provided with dependent power operation ratchet 8, described dependent power operation ratchet 8 and ratchet 10 corresponding cooperations, and dependent power operation ratchet 8 can be realized the rotation of driving main shaft 12 by promoting the rotation of ratchet 10.In order accurately main shaft 12 to be positioned, to avoid because inertia changes the position of main shaft 12, the end edge of ratchet 10 is provided with the locating surface 15 of removing gear, and the both sides of described locating surface 15 are provided with gear, and locating surface 15 corresponding central angles are 30 ~ 36 degree.After ratchet 10 was provided with locating surface 15, owing to do not have gear on the locating surface 15, dependent power operation ratchet 8 can not continue to cooperate with ratchet 10, and when having avoided owing to effect of inertia, ratchet 10 drives the change of main shafts 12 positions, thereby influences the on off state of circuit breaker.In order to prevent the reversing of ratchet 10, support 3 is provided with location ratchet 9, and described location ratchet 9 is installed on the support 3 by location ratchet jointed shaft 14 and location pawl restoring spring 13, location ratchet 9 and ratchet 10 corresponding cooperations.Location pawl restoring spring 13 contacts with location ratchet 9, the active force of location pawl restoring spring 13 and 9 on the ratchet in location, locating ratchet 9 can move back and forth, can make locate ratchet 9 all the time with ratchet 10 corresponding matching; Thereby can avoid the reversing of ratchet 10.Rotate in order to make dependent power operation ratchet 8 promote ratchet 10, dependent power operation ratchet 8 links to each other with crank and rocker mechanism 22.
As shown in Figure 2: described crank and rocker mechanism 22 comprises rocking bar 7, and an end of described rocking bar 7 is provided with rocking bar installing hole 19, and rocking bar 7 is hinged by rocking bar installing hole 19 and main shaft 12; Rocking bar 7 is positioned at 3 on ratchet 10 and support.The other end of rocking bar 7 is provided with connecting rod 5 and fixed head 6, and an end of described connecting rod 5 is hinged by rod hinge connection axle 16 and fixed head 6 and rocking bar 7, and connecting rod 5 is positioned at 7 of fixed head 6 and rocking bars.The other end of fixed head 6 is hinged with rocking bar 7 by operation pawl restoring spring 20 and alignment pin 17, operation pawl restoring spring 20 contacts with dependent power operation ratchet 8, the active force that operation pawl restoring spring 20 and dependent power operation ratchet are 8, can make dependent power operation ratchet 8 all the time with ratchet 10 corresponding cooperations, dependent power operation ratchet 8 moves reciprocatingly, and contacts with locating surface 15 until dependent power operation ratchet 8.Dependent power operation ratchet 8 is articulated on the fixed head 6 by operation ratchet jointed shaft 18, and dependent power operation ratchet 8 is positioned at the center of fixed head 6.
In order to make crank and rocker mechanism 22 actions, described connecting rod 5 links to each other with power-driven mechanism corresponding to the other end that links to each other with fixed head 6 and rocking bar 7.Described power-driven mechanism comprises the decelerator 4 that is installed on the support 3, and the output shaft of described decelerator 4 is hinged by the connecting rod installing hole 21 of eccentric shaft 11 with connecting rod 5, thereby connecting rod 5 links to each other with decelerator 4.The power shaft of decelerator 4 links to each other with the output shaft of motor 1, and motor 1 is fixedly installed on the support 3; Motor 1 is positioned at the outside of decelerator 4.Support 3 is provided with crossbeam 2, and crossbeam 2 and motor 1 are positioned at the same side of support 3.
As depicted in figs. 1 and 2: during use, ratchet 10, dependent power operation ratchet 8 and location ratchet 9 are in the initial reset state by main shaft 12.During work, the eccentric shaft 11 that motor 1 drives decelerator 4 rotates, and eccentric shaft 11 is hinged with connecting rod 5, and connecting rod 5 is hinged with fixed head 6 and rocking bar 7, when thereby connecting rod 5 moves under the effect of eccentric shaft 11, can make fixed head 6 and rocking bar 7 produce corresponding swing.After fixed head 6 and rocking bar 7 produced swing, dependent power operation ratchet 8 and ratchet 10 corresponding matching on the fixed head 6, dependent power operation ratchet 8 promoted ratchet 10 and rotate.Because ratchet 10 is fixedlyed connected with main shaft 12, ratchet 10 is after rotating under the effect of dependent power operation ratchet 8, and main shaft 12 rotates too; Thereby reach adjusting to circuit breaker switch state; Ratchet 10 is provided with locating surface 15, after dependent power operation ratchet 8 promotion main shafts 12 are adjusted to the right place, dependent power operation ratchet 8 can not continue to cooperate with ratchet 10 again, be that ratchet 10 can not rotate with main shaft 12 again, at this moment, even when motor 1 is worked with decelerator 4, can not make the variation of main shaft 12 positions, thereby can guarantee the steadily reliable of working state of circuit breaker by the rotation of motor 1 and decelerator 4.Ratchet 10 and location ratchet 9 corresponding matching are avoided the revolution of main shaft 12, guarantee the work safety of circuit breaker.When dependent power operation ratchet 8 with after locating surface 15 contacts, finish the operation of a working state of circuit breaker; At this moment, motor 1 and decelerator 4 quit work, and crank and rocker mechanism 22 is in reset mode.In the time need carrying out next operation to the on off state of circuit breaker, circuit breaker main shaft 12 drives ratchet 10 and automatically resets, make dependent power operation ratchet 8 can with the corresponding once more cooperation of the gear on the ratchet 10, when motor 1 and decelerator 4 work, make dependent power operation ratchet 8 produce reciprocating motion by crank and rocker mechanism 22, turn to desired location until main shaft 12.
The utility model support 3 is installed on the main shaft 12, main shaft 12 is provided with ratchet 10, ratchet 10 is provided with the locating surface 15 of removing gear, ratchet 10 is respectively at dependent power operation ratchet 8 and location ratchet 9 corresponding cooperations, dependent power operation ratchet 8 is installed on crank and rocker mechanism 22, crank and rocker mechanism 22 links to each other with decelerator 4 and motor 1, thereby dependent power operation ratchet 8 crank and rocker mechanism 22 effects promotion ratchet 10 and main shaft 12 rotations down again, can reduce the power loss of motor 1, improved capacity usage ratio, after main shaft 12 turns to desired location, dependent power operation ratchet 8 contacts with locating surface 15, has avoided main shaft 12 to produce the motion phenomenon under motor 1 effect of inertia, guarantees that main shaft 12 drives the mode of operation of circuit breaker, motion is steadily reliable, and location ratchet 9 can prevent the counter-rotating of ratchet 10; Compact conformation, easy to install, long service life, use cost is low, and applicability is good, and is safe and reliable.
Claims (9)
1. an electric operating mechanism of circuit-breaker comprises the support (3) that is installed on the main shaft (12); It is characterized in that: ratchet (10) is installed on the described main shaft (12), and described ratchet (10) can be gone up at support (3) with main shaft (12) and rotate; Ratchet (10) is provided with the dependent power operation ratchet (8) of corresponding matching, is used to drive the reciprocating crank and rocker mechanism of dependent power operation ratchet (8) (22) on described dependent power operation ratchet (8) and the support (3) and links to each other.
2. electric operating mechanism of circuit-breaker according to claim 1 is characterized in that: the end edge of described ratchet (10) is provided with the locating surface (15) of removing gear, and the corresponding angle of described locating surface (15) is 30 ~ 36 degree.
3. electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that: described crank and rocker mechanism (22) comprises rocking bar (7), one end of described rocking bar (7) is articulated on the main shaft (12), rocking bar (7) is provided with connecting rod (5) and fixed head (6) corresponding to the other end that links to each other with main shaft (12), one end while and connecting rod (5) of described fixed head (6), rocking bar (7) is hinged, the other end of fixed head (6) is articulated on the rocking bar (7) by alignment pin (17) and operation pawl restoring spring (20), and described operation pawl restoring spring (20) contacts with dependent power operation ratchet (8); Dependent power operation ratchet (8) is articulated on the fixed head (6), dependent power operation ratchet (8) and ratchet (10) corresponding matching.
4. electric operating mechanism of circuit-breaker according to claim 1, it is characterized in that: described support (3) is provided with location ratchet (9), described location ratchet (9) is by location ratchet jointed shaft (14) and hinged being installed on the support (3) of location pawl restoring spring (13), and location pawl restoring spring (13) contacts with location ratchet (9); Location ratchet (9) and ratchet (10) corresponding matching.
5. electric operating mechanism of circuit-breaker according to claim 3 is characterized in that: described connecting rod (5) links to each other with the power-driven mechanism of crank and rocker mechanism (22) corresponding to the other end that links to each other with fixed head (6), rocking bar (7).
6. electric operating mechanism of circuit-breaker according to claim 5, it is characterized in that: described power-driven mechanism comprises the decelerator (4) that is installed on the support (3), the output shaft of described decelerator (4) links to each other with connecting rod (5) by eccentric shaft (11), the power shaft of decelerator (4) links to each other with the power shaft of motor (1), and described motor (1) is fixedly installed on the support (3).
7. electric operating mechanism of circuit-breaker according to claim 1 is characterized in that: described support (3) is provided with crossbeam (2).
8. electric operating mechanism of circuit-breaker according to claim 3 is characterized in that: an end of described connecting rod (5) is hinged with fixed head (6), rocking bar (7) by rod hinge connection axle (16) simultaneously.
9. electric operating mechanism of circuit-breaker according to claim 3 is characterized in that: described dependent power operation ratchet (8) is articulated on the fixed head (6) by operation ratchet jointed shaft (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201502365U CN202018894U (en) | 2011-05-12 | 2011-05-12 | Electric operating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201502365U CN202018894U (en) | 2011-05-12 | 2011-05-12 | Electric operating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202018894U true CN202018894U (en) | 2011-10-26 |
Family
ID=44812562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201502365U Expired - Fee Related CN202018894U (en) | 2011-05-12 | 2011-05-12 | Electric operating mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202018894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184783A (en) * | 2011-05-12 | 2011-09-14 | 无锡市凯旋电机有限公司 | Electrically operated mechanism of circuit breaker |
-
2011
- 2011-05-12 CN CN2011201502365U patent/CN202018894U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184783A (en) * | 2011-05-12 | 2011-09-14 | 无锡市凯旋电机有限公司 | Electrically operated mechanism of circuit breaker |
| CN102184783B (en) * | 2011-05-12 | 2013-07-10 | 无锡市凯旋电机有限公司 | Electrically operated mechanism of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20150512 |
|
| EXPY | Termination of patent right or utility model |