CN107452570A - A kind of operating mechanism of four link type reclosing breaker - Google Patents
A kind of operating mechanism of four link type reclosing breaker Download PDFInfo
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- CN107452570A CN107452570A CN201710776761.XA CN201710776761A CN107452570A CN 107452570 A CN107452570 A CN 107452570A CN 201710776761 A CN201710776761 A CN 201710776761A CN 107452570 A CN107452570 A CN 107452570A
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- connecting rod
- drive gear
- rocking arm
- gear
- handle
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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
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/42—Induction-motor, induced-current, or electrodynamic release mechanisms
- H01H71/43—Electrodynamic release mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
- H01H3/46—Driving mechanisms, i.e. for transmitting driving force to the contacts using rod or lever linkage, e.g. toggle
-
- 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
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A kind of operating mechanism of four link type reclosing breaker, including handle and motor, in addition to it is fixed than transmission mechanism and changable driving mechanism；The rotor of output shaft axle of the motor is connected and driven compares drive mechanism surely；The handle is connected with rotating shaft；The changable driving mechanism includes connecting rod, the bindiny mechanism of connecting rod first and the bindiny mechanism of connecting rod second；The bindiny mechanism of connecting rod first is connected with handle, and the bindiny mechanism of connecting rod second is connected with changable driving mechanism；The head and the tail both ends of connecting rod connect the bindiny mechanism of connecting rod first and second in the first tie point and the second tie point respectively；Described as handle rotates, the path of motion of the first tie point is the arc around arm pivot post, and diastema is provided between connecting rod and the first tie point, and when the first tie point path of motion is after diastema, connecting rod pulls with by the first tie point；It is described to be rotated with fixed than transmission mechanism；It is fixed to be connected with release lever haulage gear than transmission mechanism.Innovation and creation improve reliability and the mechanical life of motor-operating mechanism, improve the electrical endurance of breaker.
Description
Technical field
The invention belongs to a kind of divide-shut brake motor-operating mechanism of small-sized reclosing breaker, is specifically one kind four
The operating mechanism of link-type reclosing breaker.
Background technology
Reclosing breaker motor-operating mechanism is a kind of annex for being used for remote electronic separating brake and combined floodgate breaker, with
Pre-paying kilowatt-hour meter special miniature breaker is used cooperatively, it is possible to achieve the combined floodgate again after arrearage after separating brake payment, payment are automatic
The pneumatic operating mechanism that conducted electricity after combined floodgate separates with breaker mechanism enables breaker to carry out manual divide-shut brake.
Reclosing breaker operating mechanism on the market is typically all the gear reduction of constant ratio at present, according to
The type of drive of motor can be divided into two classes：One kind is the motor-operating mechanism of motor unidirectional drive, this kind of operating mechanism sliding tooth
Wheel is equipped with one section of gear teeth with handle wheel circumference outer, and in closing operation, drive gear is rotating in the driving of motor, and it is justified
The gear segment set on week engages with the gear segment on handle spinning roller circumference drives handle wheel to rotate to closing position, handle wheel conjunction
Lock rear drive gear continues to rotation so that the gear segment of drive gear circumference separates with the gear segment of handle wheel circumference, handle
Departing from transmission mechanism can free divide-shut brake manually；Another kind of is the motor-operating mechanism that motor needs rotating to drive, such
Single-direction transmission is realized by boss structure between motor-operating mechanism drive gear and handle wheel.Motor is rotated forward to drive and driven during combined floodgate
Moving gear is rotated, and drive gear band fixed handle rotation handle wheel is rotated to closing position.Motor reversal drives drive gear after combined floodgate
Rotation is to initial position, and now drive gear separates with handle wheel, and handle wheel can free divide-shut brake manually.
There is its obvious deficiency in this Liang Lei mechanism, and the deficiency of class I activity is drive gear and rotatable handle block
In the time of releasing, its mesh volume is seldom, the more easy wear out failures of transmission mechanism of number of operations；Class II activity is to sliding tooth
It is high i.e. high to the control accuracy requirement of motor to take turns the control accuracy requirement of rotation position, because working as driving gear drives rotatable handle
If to stop completely motor rotation blockage and mechanism blockage can occur for motor during block to closing position.
The content of the invention：
Technical problems to be solved
The invention discloses a kind of four link type reclosing breaker operating mechanism, and this new design solves in structure
Determined existing motor-operating mechanism gear wear and stuck motor rotation blockage the problem of, while using quadric chain no-load voltage ratio pass
Dynamic characteristic improves breaker closing speed.
To solve the technical scheme that technical problem uses
A kind of operating mechanism of four link type reclosing breaker, including handle and motor, in addition to compare transmission mechanism surely
With changable driving mechanism；The rotor of output shaft axle of the motor, which is connected and driven, determines than drive mechanism, the two synchronous axial system；
The handle is connected with rotating shaft；The changable driving mechanism includes connecting rod, the bindiny mechanism of connecting rod first and connecting rod the
Two bindiny mechanisms；The bindiny mechanism of connecting rod first is connected with handle, and the bindiny mechanism of connecting rod second is connected with changable driving mechanism；Connecting rod
Head and the tail both ends connect the bindiny mechanism of connecting rod first and second respectively in the first tie point and the second tie point；
Described as handle rotates, the path of motion of the first tie point is the arc around arm pivot post, and connecting rod and first connect
Diastema is provided between contact, when the first tie point path of motion is after diastema, connecting rod pulls with by the first tie point；
Described to be rotated with fixed than transmission mechanism, the path of motion of the second tie point is the arc around arm pivot post, connecting rod
Diastema is provided between the second tie point, when the second tie point path of motion is after diastema, connecting rod is drawn with by the second tie point
It is dynamic；It is fixed to be connected with release lever haulage gear than transmission mechanism.
A kind of implementation：The head and the tail both ends of the connecting rod are provided with mounting hole；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block
Provided with projection, projection is connected in the mounting hole of connecting rod head end；Projection is parallel with arm pivot post；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；It is described
The disc of drive gear is provided with projection, and projection is connected in the mounting hole of connecting rod tail end；The rotating shaft of projection and drive gear is put down
OK；
Release lever haulage gear is additionally provided with the disc of the drive gear.
Second of implementation：The head and the tail both ends of the connecting rod are designed with rolling over pin, form "U" shaped connecting rod；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block
Waist typed through hole provided with arc, the folding pin of connecting rod head end is in the waist typed through hole；It is parallel with arm pivot post to roll over pin；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；Driving
The second rocking arm is connected with gear；One end of second rocking arm is rotatably connected in the rotating shaft of drive gear, the other end and connecting rod
The folding pin rotation connection of tail end；Position-limit mechanism, the phase of the second rocking arm and drive gear are provided between second rocking arm and drive gear
To slewing area in the range of position-limit mechanism limits；Release lever haulage gear is additionally provided with the disc of the drive gear.
Position-limit mechanism between second rocking arm and drive gear is：Guide groove, guide groove are provided with the disc of drive gear
Radial section be fan ring-shaped；The rotation connection end of the connecting rod and the second rocking arm is stretched into guide groove；
Release lever haulage gear on the disc of the drive gear is the annular stop wall positioned at the second rocking arm heteropleural；Ring
Shape stop wall rotates coaxially with drive gear, and annular stop wall radial section is sector, corresponding with one side of sector and circular arc
The side in annular stop wall footpath be the face for propping up release lever.
The third implementation：
The bindiny mechanism of connecting rod first includes rotatable handle block and the first rocking arm；The handle is connected to rotatable handle block
On；
It is described to determine to include worm screw, worm gear, relay gear and drive gear than transmission mechanism；The drive gear, relaying
Gear is parallel with the rotary shaft of worm gear three；The worm gear of worm gear forms worm gear structure with worm screw；Worm screw connects motor
Rotor of output shaft axle；The power output gear of worm gear drives drive gear to rotate by relay gear；
The second rocking arm is connected with drive gear；One end of second rocking arm is rotatably connected on the rotating shaft of drive gear
On, the end rotation connection of the other end and connecting rod；Position-limit mechanism is provided between second rocking arm and drive gear, the second rocking arm is with driving
The relative rotation range of moving gear is in the range of position-limit mechanism limits；Release lever traction is additionally provided with the disc of the drive gear
Mechanism；
One end of first rocking arm is rotatably connected in the rotating shaft of rotatable handle block, and the head end of the other end and connecting rod rotates
Connection；Position-limit mechanism, the relative rotation range of the first rocking arm and rotatable handle block are provided between first rocking arm and rotatable handle block
In the range of position-limit mechanism limits.
Further, the position-limit mechanism between second rocking arm and drive gear is：It is provided with and leads on the disc of drive gear
Groove, the radial section of guide groove is fan ring-shaped；The rotation connection end of the connecting rod and the second rocking arm is stretched into guide groove；
Release lever haulage gear on the disc of the drive gear is the annular stop wall positioned at the second rocking arm heteropleural；Ring
Shape stop wall rotates coaxially with drive gear, and annular stop wall radial section is sector, corresponding with one side of sector and circular arc
The side in annular stop wall footpath be the face for propping up release lever.
Further, it is provided with position-limit mechanism between first rocking arm and rotatable handle block：On rotatable handle block outer edge surface
The boss of setting；Movement locus of the rotation connection end of the connecting rod and the first straight rocking arm on rotatable handle block outer edge surface is round
Camber line, boss is in circular arc.
Further, the head and the tail both ends of the connecting rod are designed with rolling over pin, form "U" shaped；Two folding pin respectively constitute connecting rod
With the rotation connection end of the second rocking arm and the rotation connection end of connecting rod and the first straight rocking arm.
Worm gear is by connecting and composing coaxially and with the worm gear of angular speed and power output gear；
Drive gear is that the power of gear wheel and worm gear is defeated by forming coaxially and with the gear wheel of angular speed and little gear
Go out gear engagement, little gear engages with drive gear；
Refer to the attached drawing 6~10, the principle of this operating mechanism are：By handle, rotatable handle block, the first rocking arm, connecting rod, second
Rocking arm, drive gear, relay gear, worm gear, worm screw and motor composition.
Wherein the first rocking arm, rotatable handle block and handle are co-axially mounted, in the hole of connecting rod one end folding pin insertion rocking arm end
And form unidirectional drive with rotatable handle block ladder backstop.
Drive gear is co-axially mounted with the second rocking arm, and connecting rod other end folding pin is inserted in the hole of the second rocking arm end and stretched into
In the annular connecting rod guide groove of drive gear.Drive gear forms driving gear set with relay gear, worm gear and worm screw.
In operating mechanism initial position, electrical power gear set drive drive gear rotate counterclockwise is given, is arranged on drive
The drive end touching connecting rod folding pin of annular connecting rod guide groove on moving gear simultaneously drives quadric chain to swing, the other end of connecting rod
Folding pin rotates towards handle combined floodgate direction soon with the touching driving handle rotation of rotatable handle block ladder backstop.
When connecting rod and the second rocking arm are in same straight line, (the critical point position of quadric chain) handle, which reaches, closes a floodgate
Position, if now motor does not stop in time, drive gear continues to drive the second rocking arm to rotate counterclockwise, and crosses first after critical point
Rocking arm rotates reversely (clockwise) under the drive of connecting rod, and because connecting rod and rotatable handle block are unidirectional drives, first shakes
Arm can't drive rotatable handle block to rotate when reversely rotating, which solves the separation of first kind operating mechanism on the market at present
The problem of wear problem and the high positioning accuracy request of the second generic operation mechanism.
Driving handle combined floodgate rear drive gear is rotated clockwise to initial position, and at this moment connecting rod separates simultaneously with rotatable handle block
With certain gap, this gap allows handle manually to carry out breaking-closing operating.Drive gear is in initial position
When turn clockwise certain angle, the annular stop wall being arranged on drive gear promotes the dropout extracted from breaker mechanism
Bar causes circuit breaker tripping so that breaker open operation.Due to connecting rod folding pin can be on drive gear annular connecting rod guide groove in
Slidably and annular connecting rod guide groove design angle is far longer than the angle of driving gear drives release lever dropout needs, so de-
Movement position required precision of the button operation to drive rod is also very low.
Operating mechanism rotates counterclockwise to initial position again after completing trip operation, is prepared for operation next time.
Quadric chain lifts breaker closing velocity principle：
The operation resistance combined floodgate stroke front half section of the contact mechanism of breaker comes from breaker mechanism spring, combined floodgate stroke
Operating physical force will overcome the resistance of mechanism spring and touch spring to operate resistance simultaneously after second half section moving contact contacts with stationary contact
Become suddenly big.
Existing motor-operating mechanism is because gearratio is fixed, so its gearratio is all according to breaker mechanism
The maximum operation moment of resistance designs, electronic either in the combined floodgate stroke front half section of contact mechanism of circuit breaker or second half section
The driving moment and actuating speed of operating mechanism are all constant.
The gearratio of this quadric chain is to change, by driving lever in quadric chain and the initial angle by lever
The design of degree, it is incremented by double leval jib transmission mechanism driving moment curve during breaker closing is driven, transmission speed curve
Successively decrease.I.e. double leval jib transmission mechanism carries while meeting the needs of contact mechanism of circuit breaker combined floodgate stroke later stage needs high-torque
The closing speed of combined floodgate stroke early stage is risen so that the combined floodgate general speed of contact mechanism of circuit breaker is more than existing constant ratio
Motor-operating mechanism.
Beneficial effect
Innovation and creation improve reliability and the mechanical life of motor-operating mechanism, while in whole transmission mechanism volume not
Breaker closing speed is improved in the case of change, improves the electrical endurance of breaker.
Brief description of the drawings
Fig. 1 is the operating mechanism structural representation of example 1
Fig. 2 is the drive gear structural representation (front) of example 1；
Fig. 3 is the drive gear structural representation (back side) of example 1；
Fig. 4 is the rotatable handle block part-structure schematic diagram of example 1；
Fig. 5 is the drive gear part-structure schematic diagram of example 1；
Fig. 6 is the structural representation that the operating mechanism of example 1 is used for breaker；
Fig. 7 is the view of the operating mechanism of example 1 under breaker open operation state；
Fig. 8 is the view of the operating mechanism of example 1 under breaker closing state；
Fig. 9 is the view of the operating mechanism of example 1 under the excessively critical dotted state of breaker；
Figure 10 is the view of the operating mechanism of example 1 under the further operating state of Fig. 9 circuit-breaker status；(drive gear
In initial position, now handle wheel can be with divide-shut brake)
Figure 11 is the view of the operating mechanism of example 1 under breaker tripping state；
Figure 12 is the structural representation of example 2；
Figure 13 is the structural representation of example 3；
In figure：Handle 1, motor 2, rotatable handle block 3, the first Rocker arm 4, connecting rod 5, the second rocking arm 6, drive gear 7, relaying
Gear 8, worm gear 9, worm screw 10, guide groove 11, annular stop wall 12, release lever 13, boss (ladder backstop) 14, guide groove it is spacing
Act on end 15, the driving effect end 16 of guide groove, the mounting hole 17 on connecting rod, the switch block 18 being connected on arm pivot post, projection 19,
(being connected on the switch block on arm pivot post) waist-shaped hole 20.
Embodiment
This operating mechanism is further illustrated below in conjunction with the accompanying drawings：
A kind of operating mechanism of four link type reclosing breaker, including handle and motor, it is characterized in that also including fixed ratio
Transmission mechanism and changable driving mechanism；The rotor of output shaft axle of the motor, which is connected and driven, determines than drive mechanism, and the two synchronously turns
It is dynamic；
The handle is connected with rotating shaft；The changable driving mechanism includes connecting rod, the bindiny mechanism of connecting rod first and connecting rod the
Two bindiny mechanisms；The bindiny mechanism of connecting rod first is connected with handle, and the bindiny mechanism of connecting rod second is connected with changable driving mechanism；Connecting rod
Head and the tail both ends connect the bindiny mechanism of connecting rod first and second respectively in the first tie point and the second tie point；
Described as handle rotates, the path of motion of the first tie point is the arc around arm pivot post, and connecting rod and first connect
Diastema is provided between contact, when the first tie point path of motion is after diastema, connecting rod pulls with by the first tie point；
Described to be rotated with fixed than transmission mechanism, the path of motion of the second tie point is the arc around arm pivot post, connecting rod
Diastema is provided between the second tie point, when the second tie point path of motion is after diastema, connecting rod is drawn with by the second tie point
It is dynamic；It is fixed to be connected with release lever haulage gear than transmission mechanism.
Example 1：Such as Fig. 1~5, a kind of operating mechanism of four link type reclosing breaker, including handle and motor.Also wrap
Include, rotatable handle block, the first rocking arm, connecting rod, the second rocking arm, drive gear, relay gear, worm gear and worm screw；The handle
It is connected on rotatable handle block；
The drive gear, relay gear are parallel with the rotary shaft of worm gear three；The worm gear of worm gear is formed with worm screw
Worm gear structure；Worm screw connects the rotor of output shaft axle of motor；The power output gear of worm gear is driven by relay gear and driven
Moving gear rotates；
One end of second rocking arm is rotatably connected in the rotating shaft of drive gear, and the end of the other end and connecting rod, which rotates, to be connected
Connect；It is provided with position-limit mechanism between second rocking arm and drive gear, the relative rotation range of the second rocking arm and drive gear is spacing
In the range of mechanism limits；Release lever haulage gear is additionally provided with the disc of the drive gear；
One end of first rocking arm is rotatably connected in the rotating shaft of rotatable handle block, and the head end of the other end and connecting rod rotates
Connection；Position-limit mechanism, the relative rotation range of the first rocking arm and rotatable handle block are provided between first rocking arm and rotatable handle block
In the range of position-limit mechanism limits.
In this example, the position-limit mechanism between second rocking arm and drive gear is：It is provided with and leads on the disc of drive gear
Groove, the radial section of guide groove is fan ring-shaped；The rotation connection end of the connecting rod and the second rocking arm is stretched into guide groove；
Release lever haulage gear on the disc of the drive gear is the annular stop wall positioned at the second rocking arm heteropleural；Ring
Shape stop wall rotates coaxially with drive gear, and annular stop wall radial section is sector, corresponding with one side of sector and circular arc
The side in annular stop wall footpath be the face for propping up release lever.
It is provided with position-limit mechanism between first rocking arm and rotatable handle block：Set on rotatable handle block outer edge surface convex
Platform；Movement locus of the rotation connection end of the connecting rod and the first straight rocking arm on rotatable handle block outer edge surface is circular arc line, convex
Platform is in circular arc.
The head and the tail both ends of the connecting rod are designed with rolling over pin, form "U" shaped；Two folding pin respectively constitute connecting rod and shaken with second
The rotation connection end of arm and the rotation connection end of connecting rod and the first straight rocking arm.
Present transmission mechanism, transmission of the driving wheel to handle wheel is all gear drive, and this programme becomes link transmission.And
The concrete structure of link transmission can have a variety of designs, and above-mentioned example is based only on the part implementation in the thinking.
This transmission mechanism is made up of two parts, and a part is the gear drive of constant ratio, and another part is exactly
Double leval jib changable driving mechanism.
By constant deceleration than gear reduction (such as worm gear structure) drive no-load voltage ratio linkage realize opponent
The changable driving of handle wheel.The specific implementation of no-load voltage ratio linkage has many kinds.
Example 2, such as Figure 12, the head and the tail both ends of the connecting rod are provided with mounting hole；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block
Provided with projection, projection is connected in the mounting hole of connecting rod head end；Projection is parallel with arm pivot post；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；It is described
The disc of drive gear is provided with projection, and projection is connected in the mounting hole of connecting rod tail end；The rotating shaft of projection and drive gear is put down
OK；
Release lever haulage gear is additionally provided with the disc of the drive gear.
Example 3, such as Figure 13, its changable driving mechanism section is identical with the mode principle of example 1, fixed than running part and the mode of example 2
It is identical.
The head and the tail both ends of the connecting rod are designed with rolling over pin, form "U" shaped connecting rod；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block
Waist typed through hole provided with arc, the folding pin of connecting rod head end is in the waist typed through hole；It is parallel with arm pivot post to roll over pin；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；Driving
The second rocking arm is connected with gear；One end of second rocking arm is rotatably connected in the rotating shaft of drive gear, the other end and connecting rod
The folding pin rotation connection of tail end；Position-limit mechanism, the phase of the second rocking arm and drive gear are provided between second rocking arm and drive gear
To slewing area in the range of position-limit mechanism limits；Release lever haulage gear is additionally provided with the disc of the drive gear.
Claims (8)
1. a kind of operating mechanism of four link type reclosing breaker, including handle and motor, passed it is characterized in that also including fixed ratio
Motivation structure and changable driving mechanism；The rotor of output shaft axle of the motor, which is connected and driven, determines than drive mechanism, the two synchronous axial system；
The handle is connected with rotating shaft；The changable driving mechanism connects including connecting rod, the bindiny mechanism of connecting rod first and connecting rod second
Connection mechanism；The bindiny mechanism of connecting rod first is connected with handle, and the bindiny mechanism of connecting rod second is connected with changable driving mechanism；The head of connecting rod
Tail both ends connect the bindiny mechanism of connecting rod first and second in the first tie point and the second tie point respectively；
It is described as handle rotates, the path of motion of the first tie point is the arc around arm pivot post, connecting rod and the first tie point
Between be provided with diastema, when the first tie point path of motion is after diastema, connecting rod pulls with by the first tie point；
Described to be rotated with fixed than transmission mechanism, the path of motion of the second tie point is the arc around arm pivot post, connecting rod and the
Diastema is provided between two tie points, when the second tie point path of motion is after diastema, connecting rod pulls with by the second tie point；It is fixed
Release lever haulage gear is connected with than transmission mechanism.
2. operating mechanism according to claim 1, it is characterized in that the head and the tail both ends of the connecting rod are provided with mounting hole；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block is provided with
Projection, projection are connected in the mounting hole of connecting rod head end；Projection is parallel with arm pivot post；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；The driving
The disc of gear is provided with projection, and projection is connected in the mounting hole of connecting rod tail end；The shaft parallel of projection and drive gear；
Release lever haulage gear is additionally provided with the disc of the drive gear.
3. operating mechanism according to claim 1, it is characterized in that the head and the tail both ends of the connecting rod are designed with rolling over pin, form
"U" shaped connecting rod；
The bindiny mechanism of connecting rod first is the switch block being connected on arm pivot post, and switch block is with handle synchronous axial system；Switch block is provided with
The waist typed through hole of arc, the folding pin of connecting rod head end is in the waist typed through hole；It is parallel with arm pivot post to roll over pin；
The fixed rotor of output shaft axle synchronization action for including drive gear, drive gear and motor than transmission mechanism；Drive gear
On be connected with the second rocking arm；One end of second rocking arm is rotatably connected in the rotating shaft of drive gear, the tail end of the other end and connecting rod
Folding pin rotation connection；Position-limit mechanism is provided between second rocking arm and drive gear, the second rocking arm and the relative of drive gear turn
Dynamic scope is in the range of position-limit mechanism limits；Release lever haulage gear is additionally provided with the disc of the drive gear.
4. operating mechanism according to claim 3, it is characterized in that the position restrainer between second rocking arm and drive gear
Structure is：Guide groove is provided with the disc of drive gear, the radial section of guide groove is fan ring-shaped；Turn of the connecting rod and the second rocking arm
Dynamic connection end is stretched into guide groove；
Release lever haulage gear on the disc of the drive gear is the annular stop wall positioned at the second rocking arm heteropleural；Annular is stopped
Retaining wall rotates coaxially with drive gear, and annular stop wall radial section is fan-shaped, ring corresponding with one side of sector and circular arc
The side in shape stop wall footpath is the face for propping up release lever.
5. operating mechanism according to claim 1, it is characterized in that
The bindiny mechanism of connecting rod first includes rotatable handle block and the first rocking arm；The handle is connected on rotatable handle block；
It is described to determine to include worm screw, worm gear, relay gear and drive gear than transmission mechanism；The drive gear, relay gear
It is parallel with the rotary shaft of worm gear three；The worm gear of worm gear forms worm gear structure with worm screw；Worm screw connection motor turns
Sub- output shaft；The power output gear of worm gear drives drive gear to rotate by relay gear；
The second rocking arm is connected with drive gear；One end of second rocking arm is rotatably connected in the rotating shaft of drive gear, separately
One end and the end of connecting rod are rotatablely connected；Position-limit mechanism, the second rocking arm and sliding tooth are provided between second rocking arm and drive gear
The relative rotation range of wheel is in the range of position-limit mechanism limits；Release lever hauling machine is additionally provided with the disc of the drive gear
Structure；
One end of first rocking arm is rotatably connected in the rotating shaft of rotatable handle block, and the head end of the other end and connecting rod, which rotates, to be connected
Connect；Position-limit mechanism is provided between first rocking arm and rotatable handle block, the relative rotation range of the first rocking arm and rotatable handle block exists
In the range of position-limit mechanism limits.
6. operating mechanism according to claim 5, it is characterized in that the position restrainer between second rocking arm and drive gear
Structure is：Guide groove is provided with the disc of drive gear, the radial section of guide groove is fan ring-shaped；Turn of the connecting rod and the second rocking arm
Dynamic connection end is stretched into guide groove；
Release lever haulage gear on the disc of the drive gear is the annular stop wall positioned at the second rocking arm heteropleural；Annular is stopped
Retaining wall rotates coaxially with drive gear, and annular stop wall radial section is fan-shaped, ring corresponding with one side of sector and circular arc
The side in shape stop wall footpath is the face for propping up release lever.
7. operating mechanism according to claim 5, it is characterized in that being provided with limit between first rocking arm and rotatable handle block
Position mechanism be：The boss set on rotatable handle block outer edge surface；The rotation connection end of the connecting rod and the first straight rocking arm is in handle
Movement locus on spill spin block outer edge surface is circular arc line, and boss is in circular arc.
8. operating mechanism according to claim 5, it is characterized in that the head and the tail both ends of the connecting rod are designed with rolling over pin, form
"U" shaped；Two folding pin respectively constitute connecting rod and the rotation connection end of the second rocking arm and the rotation of connecting rod and the first straight rocking arm
Connection end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776761.XA CN107452570B (en) | 2017-09-01 | 2017-09-01 | Operating mechanism of four-connecting-rod type reclosing circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710776761.XA CN107452570B (en) | 2017-09-01 | 2017-09-01 | Operating mechanism of four-connecting-rod type reclosing circuit breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107452570A true CN107452570A (en) | 2017-12-08 |
| CN107452570B CN107452570B (en) | 2020-09-18 |
Family
ID=60494590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710776761.XA Active CN107452570B (en) | 2017-09-01 | 2017-09-01 | Operating mechanism of four-connecting-rod type reclosing circuit breaker |
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| CN109686625A (en) * | 2018-12-28 | 2019-04-26 | 浙江正泰电器股份有限公司 | Miniature circuit breaker |
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| CN107452570B (en) | 2020-09-18 |
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