CN102881478B - Spring return type centrifugal clutch - Google Patents
Spring return type centrifugal clutch Download PDFInfo
- Publication number
- CN102881478B CN102881478B CN201210390069.0A CN201210390069A CN102881478B CN 102881478 B CN102881478 B CN 102881478B CN 201210390069 A CN201210390069 A CN 201210390069A CN 102881478 B CN102881478 B CN 102881478B
- Authority
- CN
- China
- Prior art keywords
- clutch
- shaft
- pawl
- type centrifugal
- return type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a spring return type centrifugal clutch. The spring return type centrifugal clutch comprises a clutch frame and a declutch shaft, wherein one end of the clutch frame is in transmission connection with a motor rotor shaft; the other end of the clutch frame extends into the declutch shaft; a first pawl and a second pawl are arranged on the end surface of the end of the clutch frame, which extends into the declutch shaft; one end of the first pawl and one end of the second pawl are hinged to the clutch frame through a first shaft pin; a return spring is connected between the first pawl and the second pawl; the other end of the declutch shaft is connected with a main shaft of a breaker; a declutch shaft sleeve is arranged in the declutch shaft in the way of matching the first pawl and the second pawl; teeth are formed in the declutch shaft sleeve; and when the clutch frame rotates and the rotation speed is high enough, the first pawl and the second pawl overcome the resistance of the return spring and are opened, and one end of the first pawl and one end of the second pawl are clamped in the teeth to drive the declutch shaft to rotate. The spring return type centrifugal clutch is simple in structure, easy to machine and relatively small in size. When the voltage is relatively low or the spring return type centrifugal clutch is just started, the rotation speed of the motor is relatively low and slave components of the clutch are not jointed, so that the motor is protected and is not subjected to hard reset. Therefore, the spring return type centrifugal clutch is safe and reliable.
Description
Technical field
The present invention relates to a kind of clutch, particularly relate to a kind of for the spring return type centrifugal clutch in electric operating mechanism of circuit-breaker.
Background technology
In distribution apparatus killer switch, often can need to use a kind of motor-operating mechanism with bidirectional clutch, this kind of operating mechanism purposes generally uses motor to drive reducing gear output torque or power, controls the operation of circuit breaker on/off switch; Use manual operation when control circuit power-off, directly pull breaker main shaft on/off switch.Because reducing gear gearratio is comparatively large, so moment output mechanism and reducing gear must be thrown off when manual, bidirectional clutch has been exactly the effect of throwing off reducing gear when manual.
Traditional bidirectional clutch structure as shown in Figure 1, it comprises star-wheel 10 and is arranged at the sprocket wheel 11 outside star-wheel 10 rotatably, described star-wheel 10 is provided with two grooves 13 for accommodating roller 12, in described groove 13, processing tiltedly carves 14, described both sides of tiltedly carving 14 all arrange roller 12, and the spring eye offered in described groove 13 for assembling spring 15, spring 15 is installed in hole by sleeve 16, and the driving lever 17 of shift fork is arranged between interior two rollers 12 of each groove 13.During electric operating, motor via reducer structure band movable sprocket 11 rotates, and what sprocket wheel 11 compressed star-wheel 10 by roller 12 tiltedly carves 14, thus drives breaker main shaft on/off switch by the tooth-shape structure of star-wheel 10 endoporus.Stir roller 12 clamp sleeve 16 by driving lever 17 time manual thus make spring 15 compress in star-wheel spring eye, roller 12 directly drives star-wheel 10 to rotate, thus drives breaker main shaft on/off switch, and now sprocket wheel 11 and reducing gear are failure to actuate.
The bidirectional clutch structure of above-mentioned traditional structure is complicated, and volume is comparatively large, and some also will make clutch principal and subordinate moving part be separated by shift fork.On using, be not only subject to the restriction of miniaturized structure, and processing and manufacturing is cumbersome.
Summary of the invention
The object of the present invention is to provide a kind of spring return type centrifugal clutch, its have structure simple, be easy to the feature of processing, volume is little and security reliability is good, effectively solve bidirectional clutch Problems existing in prior art.
The object of the invention is to be achieved through the following technical solutions:
A kind of spring return type centrifugal clutch, it comprises clutch frame and declutch shaft, wherein, one end and the rotor axis of electric of described clutch frame are in transmission connection, the other end to stretch in declutch shaft and the end face of this end is provided with first, 2 two ratchets, described first, one end of two ratchets is articulated with on clutch frame by the first pivot pin, and be connected with back-moving spring between the two, the other end of described declutch shaft is connected with breaker main shaft, and coordinate first in described declutch shaft, two ratchets are provided with separation axle sleeve, tooth is offered in described separation axle sleeve, when described clutch frame rotates, when rotating speed reaches enough large first, two ratchets overcome back-moving spring resistance and open, one end of two ratchets is stuck in tooth and drives declutch shaft to rotate.
Especially, described clutch frame is connected with rotor axis of electric by the second bearing pin.
Especially, described clutch frame is by shaft block ring, bearing, hole back-up ring and back end cover for motor axial restraint.
Especially, described declutch shaft is by bearing and shaft block ring and back end cover for motor axial restraint.
Especially, described separation axle sleeve adopts nylon material to make, with reduce in conjunction with time noise.
Rotor axis of electric band dynamic clutch frame rotates, when rotating speed reaches the resistance overcoming enough greatly back-moving spring, first and second two ratchets on clutch frame scatter around the first bearing pin and to engage with the tooth be separated in axle sleeve, drive and be separated axle sleeve and declutch shaft rotation, then drive decelerator to make breaker main shaft realize the action of splitting or integrating lock.
When motor has just started or rotating speed is lower, because two the ratchet centrifugal force of first and second on clutch frame are also unlikely to the resistance overcoming back-moving spring, motor dry run, decelerator can not be driven to move.Now manually directly can manipulate breaker main shaft, realize the action of splitting or integrating lock.
Beneficial effect of the present invention is, described spring return type centrifugal clutch compared with prior art motor power by clutch drive reducing gear directly pass to breaker main shaft, realize the operation of splitting or integrating lock, direct manipulation of switches main shaft time manual, and do not need to make clutch principal and subordinate moving part separately by shift fork, so not only structure is simple, is easy to processing, small volume; And when voltage is lower or firm startup time motor speed lower, clutch principal and subordinate moving part can not engage, and protects motor and is unlikely to hard reboot, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the profile of traditional bidirectional clutch;
Fig. 2 is the end view of the spring return type centrifugal clutch that the specific embodiment of the invention 1 provides;
Fig. 3 is the A direction view of Fig. 2;
Fig. 4 is the installation diagram of the spring return type centrifugal clutch that the specific embodiment of the invention 1 provides.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Refer to shown in Fig. 2 to Fig. 4, in the present embodiment, a kind of spring return type centrifugal clutch comprises clutch frame 21 and declutch shaft 20, one end and motor 28 armature spindle of described clutch frame 21 are in transmission connection by the second bearing pin 32, the other end to stretch in declutch shaft 20 and the end face of this end is provided with the first ratchet 23 and the second ratchet 24, one end of described first ratchet 23 and the second ratchet 24 is articulated with on clutch frame 21 by the first pivot pin 22, and be connected with back-moving spring 25 between the two, the other end of described declutch shaft 20 is connected with breaker main shaft, and coordinate the first ratchet 23 to be provided with the second ratchet 24 in described declutch shaft 20 to be separated axle sleeve 26, described separation axle sleeve 26 is made up of the nylon material of noise-reducing and is offered tooth 27 in it, when described clutch frame 21 rotates, overcome back-moving spring 25 resistance open when rotating speed reaches enough large first ratchet 23 and the second ratchet 24, one end of two ratchets is stuck in tooth 27 and drives declutch shaft 20 to rotate.
The mode that described spring return type centrifugal clutch adopts two half-clutch devices axially all fixing, described clutch frame 21 is by the rear end cap axial restraint of shaft block ring 30, bearing 29, hole back-up ring 31 and motor 28, and described declutch shaft 20 passes through the rear end cap axial restraint of bearing 29 and shaft block ring 33 and motor 28.
The course of work of described spring return type centrifugal clutch is: the armature spindle band dynamic clutch frame 21 of motor 28 rotates, when rotating speed reaches the resistance overcoming enough greatly back-moving spring 25, the first ratchet 23 on clutch frame and the second ratchet 24 scatter around the first bearing pin 22 and to engage with the tooth 27 be separated in axle sleeve 26, drive separation axle sleeve 26 and declutch shaft 20 to rotate, then drive decelerator to make breaker main shaft realize the action of splitting or integrating lock.
When motor has just started or rotating speed is lower, because the first ratchet 23 on clutch frame 21 and the second ratchet 24 centrifugal force are also unlikely to the resistance overcoming back-moving spring 25, motor dry run, decelerator can not be driven to move.Now manually directly can manipulate breaker main shaft, realize the action of splitting or integrating lock.
Above-mentioned spring return type centrifugal clutch not only structure is simple, is easy to processing, small volume; And when voltage is lower or firm startup time motor speed lower, clutch principal and subordinate moving part can not engage, and protects motor and is unlikely to hard reboot, safe and reliable.
Above embodiment has just set forth general principle of the present invention and characteristic; the present invention does not limit by above-mentioned example; without departing from the spirit and scope of the present invention, the present invention also has various change and change, and these changes and change all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (5)
1. a spring return type centrifugal clutch, it comprises clutch frame and declutch shaft, it is characterized in that: one end and the rotor axis of electric of described clutch frame are in transmission connection, the other end to stretch in declutch shaft and the end face of this end is provided with first, 2 two ratchets, described first, one end of two ratchets is articulated with on clutch frame by the first pivot pin, and be connected with back-moving spring between the two, the other end of described declutch shaft is connected with breaker main shaft, and coordinate first in described declutch shaft, two ratchets are provided with separation axle sleeve, tooth is offered in described separation axle sleeve, rotor axis of electric band dynamic clutch frame rotates, when rotating speed reaches the resistance overcoming enough greatly back-moving spring, on clutch frame first, 2 two ratchets scatter around the first bearing pin and to engage with the tooth be separated in axle sleeve, drive and be separated axle sleeve and declutch shaft rotation, decelerator is driven to make breaker main shaft realize closing again, separating brake action.
2. spring return type centrifugal clutch according to claim 1; It is characterized in that: described clutch frame is connected with rotor axis of electric by the second bearing pin.
3. the spring return type centrifugal clutch according to any one of claim 1 or 2; It is characterized in that: described clutch frame is by shaft block ring, bearing, hole back-up ring and back end cover for motor axial restraint.
4. spring return type centrifugal clutch according to claim 1; It is characterized in that: described declutch shaft is by bearing and shaft block ring and back end cover for motor axial restraint.
5. the spring return type centrifugal clutch according to any one of claim 1 or 4; It is characterized in that: described separation axle sleeve adopts nylon material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390069.0A CN102881478B (en) | 2012-10-15 | 2012-10-15 | Spring return type centrifugal clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390069.0A CN102881478B (en) | 2012-10-15 | 2012-10-15 | Spring return type centrifugal clutch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102881478A CN102881478A (en) | 2013-01-16 |
| CN102881478B true CN102881478B (en) | 2015-07-08 |
Family
ID=47482767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210390069.0A Active CN102881478B (en) | 2012-10-15 | 2012-10-15 | Spring return type centrifugal clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102881478B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108570A (en) * | 2013-08-17 | 2014-10-22 | 都江堰金祥装饰工程有限公司 | Automatic speed reducer of vehicle loading conveyor |
| CN105864327B (en) * | 2016-06-07 | 2018-04-03 | 四川大学 | Engagement type mechanical speed limiting mechanism |
| CN108266500A (en) * | 2017-01-04 | 2018-07-10 | 李激初 | Centre wheel two-way clutch control mechanism and its speed changer of application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201100341Y (en) * | 2007-10-22 | 2008-08-13 | 徐南汉 | General car machine clutch flying slice assembly |
| CN101937782A (en) * | 2010-09-09 | 2011-01-05 | 无锡市凯旋电机有限公司 | Directional circle type clutch |
| CN202301558U (en) * | 2011-11-11 | 2012-07-04 | 马中原 | Clutch and variable speed gear thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60225315A (en) * | 1984-04-23 | 1985-11-09 | 三菱電機株式会社 | Spring actuator for breaker |
| CN102678782B (en) * | 2012-05-10 | 2016-06-22 | 无锡江南奕帆电力传动科技股份有限公司 | A kind of bidirectional clutch |
| CN202816717U (en) * | 2012-10-15 | 2013-03-20 | 无锡江南奕帆电力传动科技股份有限公司 | Spring return type centrifugal clutch |
-
2012
- 2012-10-15 CN CN201210390069.0A patent/CN102881478B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201100341Y (en) * | 2007-10-22 | 2008-08-13 | 徐南汉 | General car machine clutch flying slice assembly |
| CN101937782A (en) * | 2010-09-09 | 2011-01-05 | 无锡市凯旋电机有限公司 | Directional circle type clutch |
| CN202301558U (en) * | 2011-11-11 | 2012-07-04 | 马中原 | Clutch and variable speed gear thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102881478A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202381801U (en) | Manually/electrically-switching device of valve actuator | |
| CN102881478B (en) | Spring return type centrifugal clutch | |
| CN203588949U (en) | Breaker opening and closing operation apparatus | |
| CN103280344B (en) | The transmission device of circuit breaker hand, electromotion integrated operating mechanism | |
| CN205131546U (en) | Electric vehicle | |
| CN1815050A (en) | Automatic-clutching reversible ratchet wheel device | |
| CN214305122U (en) | Mechanical bidirectional clutch rotary actuator with torque induction protection | |
| JP5493156B2 (en) | Electric valve actuator | |
| CN202816717U (en) | Spring return type centrifugal clutch | |
| CN106206196B (en) | The process control of energy storage electric moral conduct and antioverloading arrangement of clutch | |
| CN206076082U (en) | A kind of arrangement of clutch for motor-operating mechanism | |
| CN106057511A (en) | Operating mechanism for change-over switch | |
| JP3157942U (en) | Electric valve actuator | |
| CN106449313B (en) | Breaker | |
| CN203925249U (en) | A kind of roller shutter door machine | |
| JP2012507404A5 (en) | ||
| CN104766766B (en) | A kind of transmission mechanism of electric leakage reclosure breaker | |
| CN201685702U (en) | Electric chassis having manual clutch with overload protection | |
| CN207320028U (en) | It is a kind of to integrate manual and electronic spring energy agency | |
| CN202487441U (en) | Electric operating mechanism for grounding switch | |
| CN204558385U (en) | A kind of transmission mechanism of electric leakage reclosure breaker | |
| CN205376438U (en) | Electric operating mechanism's trip gear for circuit breaker | |
| CN205542646U (en) | Small -size air switch's operation module | |
| CN103171619B (en) | A kind of transmission device increasing damping | |
| CN107622884A (en) | A kind of bidirectional clutch for twin-power switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Yuanji Inventor after: Chen Yifeng Inventor before: Chen Yuanji Inventor before: Qin Geping Inventor before: Chu Xiaomin Inventor before: Gong Jianfen Inventor before: Ge Xin |
|
| COR | Change of bibliographic data |