CN201787001U - Speed reducer of actuating mechanism of electric actuator - Google Patents
Speed reducer of actuating mechanism of electric actuator Download PDFInfo
- Publication number
- CN201787001U CN201787001U CN2010202701501U CN201020270150U CN201787001U CN 201787001 U CN201787001 U CN 201787001U CN 2010202701501 U CN2010202701501 U CN 2010202701501U CN 201020270150 U CN201020270150 U CN 201020270150U CN 201787001 U CN201787001 U CN 201787001U
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- China
- Prior art keywords
- gear
- internal gear
- meshed
- central
- bearing
- 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.)
- Expired - Fee Related
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H2001/289—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two or more coaxial and identical sets of orbital gears, e.g. for distributing torque between the coaxial sets
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- Retarders (AREA)
Abstract
The utility model provides a speed reducer of an actuating mechanism of an electric actuator. An input gear is arranged on a back cover of an internal gear of the speed reducer; a signal shaft is arranged at the central part of the speed reducer; a first-stage sun gear is arranged outside another step of projection positioned in the internal gear; the first-stage sun gear is meshed with the internal gear through three planet gears, and three gear shafts of the three planet gears are fixed on a first-stage driver plate together; a second-stage sun gear is fixedly connected to a central through-hole of the first-stage driver plate; the second-stage sun gear is further meshed with the internal gear through three planet gears, and three gear shafts of the three planet gears are fixed on a second-stage driver plate together; a third-stage sun gear is fixedly connected with a central through-hole of the second-stage driver plate; the third-stage sun gear is further meshed with the internal gear through three planet gears, and three gear shafts of the three planet gears are fixed on a third-stage driver plate together; a polygonal central through-hole of the third-stage driver plate corresponds to a multi- prism part of the inner end of an output shaft; and a slotted hole in which the inner end of the signal shaft is arranged is further formed at the top of the inner end of the output shaft. The speed reducer operates steadily, can be self-locked and requires low cost.
Description
Technical field the utility model relates to the retarder of a kind of retarder, particularly automatic control device.
Background technique those skilled in the art know that motor seldom directly links to each other with equipment, generally all are to link to each other with equipment by retarder.Though the retarder kind is a lot of at present, but the retarder that is used for the automatic control device electric actuator mainly still prolongs the technology with the former Soviet Union of the sixties, promptly is provided with output shaft, shaft joint, duplicate gear, eccentric bushing, cam, big horizontal gear and position transmitter in the reduction case.Its deficiency is: 1, makes with a large amount of iron and steel, and many when manufacturing process complexity, worker; 2, off-centre is leaned in rotation, noise is big, operation is trembled, heavy; 3, can not self-locking, motor must add control mechanism, and accident is easily sent out in the malfunctioning coasting operation of control mechanism; 4, consumptive material, take a lot of work, the big thing of body is heavy, transportation, carrying, install inconvenient; 5, add liquid gear oil in needing, that box sealing requires is high, be difficult to clean.
The summary of the invention the purpose of this utility model be to provide a kind of energy accurately, smooth running, lock-bit, moment of torsion is big, do not have tremble, fuzz tone, the retarder of the electric actuator actuator that manufacturing process is simple, cost is low.The utility model mainly includes: internal gear, internal gear front and rear covers, input gear, signal shaft, sun gear, planetary pinion, wheel shaft, dial and output shaft etc.Wherein, internal gear is the hollow casing that inner peripheral surface is provided with straight-tooth, and the both ends of the surface of this housing are respectively equipped with screw, also can be the through hole that runs through both ends of the surface.Be respectively equipped with the forward and backward lid of internal gear that its both ends open is sealed at the two ends of above-mentioned internal gear, wherein the bonnet main body is an annular slab, preferably its side towards internal gear is provided with the seam corresponding with the internal gear opening, be provided with near this bonnet periphery with the internal gear end face on the corresponding through hole of screw (or through hole), the fastening piece that passes this through hole can be movably connected in bonnet on the internal gear.Above-mentioned internal gear protecgulum is that an end is managed blue pipe, preferably this flange is provided with the seam corresponding with the internal gear opening towards a side of internal gear, this flange be provided with the internal gear end face on the corresponding through hole of screw (or through hole), the fastening piece that passes this through hole can be movably connected in protecgulum on the internal gear.The pipe of above-mentioned protecgulum partly is a bearing chamber.The central through bore of above-mentioned internal gear bonnet is provided with the input gear, this input gear has one to be positioned at the outer big annular flat fluted disc of internal gear, the fluted disc middle part that this outer circumferential face is provided with straight-tooth is provided with the ladder-type hollow boss, wherein the one-level projection is outside is connected with the bonnet central through bore by bearing, bearing is established in inside, establishes the signal shaft coaxial with internal gear in this bearing.The part of this signal shaft is located in the internal gear, and another part is located at outside the internal gear, and this is located at the outer end top of internal gear and is provided with the bearing that can link to each other with speed reducer.The protruding peripheral hardware straight-tooth of another grade that above-mentioned input gear is positioned at internal gear, i.e. first order sun gear, this first order sun gear is meshed with three planetary pinions, and these three planetary pinions are again with being meshed with internal gear.Above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, preferably be located on the wheel shaft by bearing, one end of these three wheel shafts is with being vertically fixed on the first order dial, this first order dial is the Circular Plate of external diameter less than the internal gear internal diameter, be fixedly connected with second level sun gear on its central through bore, this second level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, and these three planetary pinions are same as internal gear again and are meshed.Above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, preferably also be located on the wheel shaft by bearing, one end of these three wheel shafts is with being vertically fixed on the dial of the second level, the second level dial that this structure is identical with first order dial, be fixedly connected with third level sun gear on its central through bore, this third level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, these three planetary pinions are again with being meshed with internal gear, above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, preferably also be located on the wheel shaft by bearing, an end of these three wheel shafts is with being vertically fixed on the third level dial.This third level dial is the plectane of external diameter less than the internal gear internal diameter, and its central through bore is a polygonal, and as quadrilateral, Hexagon or Octagon, it is located at a end in the internal gear with output shaft is that the polygon prism part of inner end is corresponding.This top, output shaft inner end also is provided with slotted eye, and it is built-in with the inner of signal shaft.The center hole outer end that this output shaft passes the indoor bearing of internal gear Front Cover Bearing and is enclosed within this bearing chamber outer bearing carrier reaches outside the internal gear.This bearing support periphery is provided with through hole, whole reducing mechanism can be fixed on the speed reducer by the fastening piece of establishing within it.Be preferably in the input gear outside and be provided with signal gear, straight-tooth on this signal gear outer circumferential face can be meshed with the gear in the position signal controller, the central through bore of this signal gear is a polygonal, it is corresponding with the polygon prism part on the signal shaft, simultaneously, this signal shaft the inner is prismatic, and the output shaft inner end slotted eye corresponding with it is the polygonal slotted eye.
Working procedure of the present utility model is: the input gear is driven by the motor gear that is located at the manual gear on the speed reducer or links to each other with motor, this input gear is rotated, first order sun gear on it then rotates, and orders about three planetary pinions that are meshed with it and rotate.These three planetary pinions are meshed with internal gear again, rotate so just drive the first order dial at planetary pinion place, realize the one-level deceleration.Above-mentioned first order dial central through bore is fixedlyed connected with second level sun gear again, ordering about second level sun gear rotates, this second level sun gear orders about three planetary pinions that are meshed with it again and rotates, these three planetary pinions are meshed with internal gear again, rotate so just drive the second level dial at these three planetary pinion places, realize double reduction.Above-mentioned second level dial central through bore is fixedlyed connected with third level sun gear again, ordering about third level sun gear rotates, this third level sun gear orders about three planetary pinions that are meshed with it again and rotates, these three planetary pinions are meshed with internal gear again, rotate so just drive the third level dial at these three planetary pinion places, realize three grades of decelerations.This third level dial central through bore is connected with output shaft, so the rotating speed that is delivered on the output shaft is exactly through the numerical value after three grades of decelerations.Can adjust the diameter and the number of teeth of each gear as required, just can reach required rotating speed.The rotating speed of above-mentioned output shaft can pass to signal gear by coupled signal shaft, and this signal gear can be meshed with the gear of position signal controller, and the rotating speed of output shaft is passed to the position signal controller.
The utility model compared with prior art has following advantage:
1, operate steadily, moment of torsion is big, and economize on electricity, nothing are trembled fuzz tone;
2, can when accepting given signal, accurately locate, and the feedback framing signal, lock-bit is reliably saved and is added control mechanism;
3, volume little, from heavy and light, only be 1/2 of former mechanism weight, consumptive material is few, 500 yuan of minimum reductions of cost;
4, manufacturing process is simple, the time spent is few, only uses glycerine lubrication in the casing, and seal request is not high, and it is convenient to clean;
5, deceleration effect is fairly obvious, and can make rotating speed is that 1400 rev/mins motor turned around after the utility model slows down in 100 seconds, not only can slow down in addition, but also can speedup, purposes is wider;
6, profile is identical with original structure, original deceleration actuator can be changed very convenient transformation to prior art.
Description of drawings
Fig. 1 is that the utility model master looks generalized section.
Fig. 2 is the A-A view of Fig. 1.
Embodiment is in the schematic representation of the retarder of electric actuator actuator illustrated in figures 1 and 2, and internal gear 1 is the barrel-type casing that inner peripheral surface is provided with straight-tooth, and the both ends of the surface of this housing are provided with the screw that runs through both ends of the surface.Be respectively equipped with the forward and backward lid of internal gear at the two ends of above-mentioned internal gear, wherein bonnet 2 main bodys are an annular slab, its side towards internal gear is provided with the seam corresponding with the internal gear opening, be provided with near this bonnet periphery with the internal gear end face on the corresponding through hole of screw, the fastening piece 3 that passes this through hole is movably connected in bonnet on the internal gear.Above-mentioned internal gear protecgulum 4 is that an end is managed blue pipe, this flange is provided with the seam corresponding with the internal gear opening towards a side of internal gear, this flange be provided with the internal gear end face on the corresponding through hole of screw, the fastening piece that passes this through hole can be movably connected in protecgulum on the internal gear.The pipe of above-mentioned protecgulum partly is a bearing chamber.The central through bore of above-mentioned internal gear bonnet is provided with input gear 5, this input gear has one to be positioned at the outer big annular flat fluted disc of internal gear, the fluted disc middle part that this outer circumferential face is provided with straight-tooth is provided with the ladder-type hollow boss, wherein the one-level projection is outside is connected with the bonnet central through bore by bearing, bearing is established in inside, establishes the signal shaft 6 coaxial with internal gear in this bearing.The part of this signal shaft is located in the internal gear, and another part is located at outside the internal gear, and this is located at the outer end top of internal gear and is provided with the bearing 7 that can link to each other with speed reducer.The protruding peripheral hardware straight-tooth of another grade that above-mentioned input gear is positioned at internal gear, promptly first order sun gear 8, and this first order sun gear is meshed with three planetary pinions 9, and these three planetary pinions are again with being meshed with internal gear.Above-mentioned three planetary pinions are enclosed within respectively on the wheel shaft 10, be located on the wheel shaft by bearing 11, one end of these three wheel shafts is with being vertically fixed on the first order dial 12, this first order dial is the Circular Plate of external diameter less than the internal gear internal diameter, be fixedly connected with second level sun gear 13 on its central through bore, this second level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, and these three planetary pinions are same as internal gear again and are meshed.Above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, also be located on the wheel shaft by bearing, one end of these three wheel shafts is with being vertically fixed on the second level dial 14, the second level dial that this structure is identical with first order dial, be fixedly connected with third level sun gear 15 on its central through bore, this third level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, these three planetary pinions are again with being meshed with internal gear, above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, also be located on the wheel shaft by bearing, an end of these three wheel shafts is with being vertically fixed on the third level dial 16.This third level dial is the plectane of external diameter less than the internal gear internal diameter, and its central through bore is a Hexagon, and it is located at a end in the internal gear with output shaft 17 is that six prismatic parts of inner end are corresponding.This top, output shaft inner end also is provided with slotted eye, and it is built-in with the inner of signal shaft.The center hole outer end that this output shaft passes the indoor bearing of internal gear Front Cover Bearing 18 and is enclosed within this bearing chamber outer bearing carrier 19 reaches outside the internal gear.This bearing support periphery is provided with through hole, whole reducing mechanism can be fixed on the speed reducer by the fastening piece of establishing within it.Be provided with in addition by the spacing signal gear 21 of disc spring 20 in the input gear outside, the signal gear central through bore that this outer circumferential face is provided with straight-tooth is a Hexagon, it is corresponding with six prismatic parts on the signal shaft, simultaneously, this signal shaft the inner is six prisms, and the output shaft inner end slotted eye corresponding with it is the Hexagon slotted eye.
Claims (3)
1. the retarder of an electric actuator actuator, it is characterized in that: inner peripheral surface is provided with the internal gear of straight-tooth, its two ends are respectively equipped with before its closure of openings, bonnet, be respectively equipped with corresponding near this bonnet periphery and on the flange of protecgulum with screw on the internal gear end face and in establish the through hole of fastening piece, the central through bore of the bonnet of above-mentioned internal gear is provided with the input gear, the single order projection at its fluted disc middle part is outside to link to each other with the bonnet central through bore by bearing, inside is provided with bearing, be provided with signal shaft in this bearing, above-mentioned input gear is positioned at another rank projection peripheral hardware first order sun gear of internal gear, this first order sun gear is meshed with three planetary pinions, these three planetary pinions are same as internal gear again and are meshed, above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, one end of these three wheel shafts is with being vertically fixed on the first order dial, be connected with second level sun gear on the central through bore of this dial, this second level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, these three planetary pinions are again with being meshed with internal gear, above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, one end of these three wheel shafts is with being vertically fixed on the dial of the second level, be connected with third level sun gear on the central through bore of this dial, this third level sun gear that is enclosed within on the signal shaft is meshed with three planetary pinions again, these three planetary pinions are again with being meshed with internal gear, above-mentioned three planetary pinions are enclosed within on the wheel shaft respectively, one end of these three wheel shafts is with being vertically fixed on the third level dial, the polygonal central through bore of this dial is corresponding with the polygon prism part of output shaft inner end, top, this output shaft inner end also is provided with the slotted eye of built-in signal axle the inner, and the central through bore outer end that this output shaft passes the indoor bearing of internal gear Front Cover Bearing and is enclosed within this bearing chamber outer bearing carrier reaches outside the internal gear.
2. the retarder of electric actuator according to claim 1 actuator, it is characterized in that: be provided with the signal gear that can be meshed with the gear in the position signal controller in the input gear outside, its central through bore is the polygonal corresponding with the polygon prism part on the signal shaft, this signal shaft the inner is prismatic simultaneously, and the output shaft inner end slotted eye corresponding with it is the polygonal slotted eye.
3. the retarder of electric actuator according to claim 1 and 2 actuator, it is characterized in that: planetary pinion all is located on the wheel shaft by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701501U CN201787001U (en) | 2010-07-20 | 2010-07-20 | Speed reducer of actuating mechanism of electric actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202701501U CN201787001U (en) | 2010-07-20 | 2010-07-20 | Speed reducer of actuating mechanism of electric actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787001U true CN201787001U (en) | 2011-04-06 |
Family
ID=43818963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202701501U Expired - Fee Related CN201787001U (en) | 2010-07-20 | 2010-07-20 | Speed reducer of actuating mechanism of electric actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787001U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838509A (en) * | 2019-03-12 | 2019-06-04 | 北京大信高科智能科技有限公司 | A kind of electric steering engine |
| FR3136532A1 (en) * | 2022-06-13 | 2023-12-15 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
| FR3136531A1 (en) * | 2022-06-13 | 2023-12-15 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
-
2010
- 2010-07-20 CN CN2010202701501U patent/CN201787001U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838509A (en) * | 2019-03-12 | 2019-06-04 | 北京大信高科智能科技有限公司 | A kind of electric steering engine |
| CN109838509B (en) * | 2019-03-12 | 2024-03-29 | 北京大信高科智能科技有限公司 | Electric steering engine |
| FR3136532A1 (en) * | 2022-06-13 | 2023-12-15 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
| FR3136531A1 (en) * | 2022-06-13 | 2023-12-15 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
| WO2023242506A1 (en) * | 2022-06-13 | 2023-12-21 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
| WO2023242507A1 (en) * | 2022-06-13 | 2023-12-21 | Safran Transmission Systems | Compact gear train for turbomachine reducer |
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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: 20110406 Termination date: 20140720 |
|
| EXPY | Termination of patent right or utility model |