CN106961181A - A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator - Google Patents
A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator Download PDFInfo
- Publication number
- CN106961181A CN106961181A CN201710339077.5A CN201710339077A CN106961181A CN 106961181 A CN106961181 A CN 106961181A CN 201710339077 A CN201710339077 A CN 201710339077A CN 106961181 A CN106961181 A CN 106961181A
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- Prior art keywords
- bearing
- hollow
- decelerator
- rotating shaft
- shell
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The present invention provides a kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator, and it includes shell and is cylindrical in shape；Servomotor is fixed on enclosure, including motor casing, drive end bearing bracket, rear end cap, rotating shaft, front and rear cover is located at motor casing two ends respectively, rotating shaft is located inside motor casing, its middle part rear end is located in front and rear cover by front and back bearings respectively, there are annular recessed seam, rotating shaft fore-end ellipsoidal cross section on front side of drive end bearing bracket；Decelerator is located at enclosure, including wave producer, flexible bearing, flexbile gear, bearing, flange and steel wheel, wave producer is the fore-end of the ellipsoidal cross section of rotating shaft, flexible bearing is sheathed on wave producer, flexbile gear one end with teeth is sheathed on flexible bearing, is engaged with the internal tooth of steel wheel, and the bearing outer ring of turn up one end and bearing is fixed in annular recessed seam, bearing inner race of the steel wheel two ends respectively with flange and bearing is fixedly connected, and flange is used as output end.The present invention realizes the steel wheel output effect of decelerator.
Description
Technical field
The invention belongs to machine field, specifically, slow down the present invention relates to a kind of hollow carnival hat type firm gear output harmonic wave
The hollow motor integrating of device, more particularly to a kind of a kind of band harmonic wave being had higher requirements to installing space, output accuracy and moment of torsion
The hollow motor integrating of decelerator.
Background technology
As motor particularly servomotor is more and more wider in the application of industrial circle, to motor export precision,
Torque etc. requires also more and more higher.Motor in the market typically will just be connected after decelerator with load, i.e., electric
Machine and decelerator are substantially to be installed separately fixed, and such mounting structure can introduce many error components, and reduction is final defeated
The precision of shaft；In addition, the motor and decelerator overall volume of this structure are very huge, contour structures also unsightly, are being pacified
Need motor and decelerator to be separately mounted on pedestal during dress, assemble cumbersome, later maintenance maintenance is also troublesome, directly
Influence production and maintenance cost；Moreover, in some specific occasions, also having strict want to the installing space of motor and decelerator
Ask.In summary, the design and manufacture of motor encounter new challenge instantly.
The content of the invention
In order to solve the problems of the prior art, a kind of hollow carnival hat type firm gear output harmonic wave that provides of the invention slows down
The hollow motor integrating of device, it includes：Shell, servomotor and hollow carnival hat shaped steel wheel output harmonic wave decelerator；The shell
It is cylindrical in shape；The servomotor is fixed on the enclosure, including motor casing, drive end bearing bracket, rear end cap, rotating shaft, the front end
Lid, rear end cap are located at the two ends of the motor casing respectively, and the rotating shaft is located inside the motor casing, and in the rotating shaft
Portion, rear end are located in the drive end bearing bracket, rear end cap by fore bearing and rear bearing respectively, and the front side of the drive end bearing bracket is provided with annular
Recessed seam, the partial cross section ovalize of the front end of the rotating shaft；The hollow carnival hat shaped steel wheel output harmonic wave decelerator is located at
The enclosure, and close to the shell open front at, including wave producer, flexible bearing, flexbile gear, decelerator bearing,
Harmonic speed reducer flange and steel wheel, the wave producer are the part of the front end of the ellipsoidal cross section of the rotating shaft, described soft
Property bearing holder (housing, cover) on the wave producer, the flexbile gear is in hollow shape for hat, and including：One end with teeth and one end of turning up, it is described
One end with teeth is sheathed on the flexible bearing, and is engaged with the internal tooth of the steel wheel, one end and the decelerator of turning up
The bearing outer ring of bearing is sequentially fixed in the annular recessed seam, and the two ends of the steel wheel are respectively with the flange and described subtracting
The bearing inner race of fast device bearing is fixedly connected, and the flange is used as output end.
In hollow motor integrating as described above, it is preferable that the rotating shaft is hollow axle, during the rotating shaft is formed
Open front and after-opening of the absolutely empty chamber with the shell constitute the elongated hole of an insertion.
In hollow motor integrating as described above, it is preferable that the rear end of the shell is provided with bonnet, covers in the rear
It is provided with the after-opening.
In hollow motor integrating as described above, it is preferable that the front side of the rear side of the drive end bearing bracket and the rear end cap
Annular boss is equipped with, the motor casing is loaded on two annular boss.
In hollow motor integrating as described above, it is preferable that the leading inside of the shell is formed with shell seam, institute
Stating shell stop portion and being loaded has the drive end bearing bracket.
In hollow motor integrating as described above, it is preferable that the servomotor also includes：Rotary transformer, it is described
Rotary transformer is arranged on the rear end of the rotating shaft, and is clamped in the annular recess on the outside of the rear end cap.
In hollow motor integrating as described above, it is preferable that the servomotor also includes：Oil sealing, the oil sealing is
One O-ring seal, between the inwall of the rotating shaft and the centre bore of the drive end bearing bracket.
What the technical scheme that the present invention is provided was brought has the beneficial effect that：
Flexbile gear output from traditional decelerator is different, and patent of the present invention is fixed to the flexbile gear of decelerator before servomotor
On end cap, the steel wheel output effect of decelerator is realized；
Servomotor and decelerator are made of one, reduced due to the design and installation error that split-type structural is brought
Brief description of the drawings
Fig. 1 is a kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator provided in an embodiment of the present invention
Structural representation；
Fig. 2 is a kind of structural representation of servomotor provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of hollow carnival hat shaped steel wheel output harmonic wave decelerator provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of shell provided in an embodiment of the present invention.
In figure, symbol description is as follows：
Behind 1 shell, 101 cylinders, 1011 shell seams, 1012 mounting flanges, 10121 flange seams, 102 bonnets, 1021
Bearing behind opening, 2 servomotors, 201 drive end bearing brackets, 202 motor casings, 203 magnet steel, 204 rear end caps, 205 rotary transformers, 206,
207 rotating shafts, 208 stators, 209 fore bearings, 210 oil sealings, 2011 centre bores, 2012 endoporus seams, 2013 spill seams, 2014 rings
Shape boss, 2041 endoporus seams, 2042 annular boss, 2043 annular recess, 2071 oval axle ranks, 3 hollow carnival hat shaped steel wheels
Output harmonic wave decelerator, 301 wave producers, 302 flexible bearings, 303 flexbile gears, 304 firm gears, in the bearing of 305 decelerator bearings
Circle, the bearing outer ring of 306 decelerator bearings, 307 flanges.
Embodiment
The present invention is described in further details with reference to the accompanying drawings and detailed description.
Referring to Fig. 1~4, the embodiments of the invention provide hollow the one of a kind of hollow carnival hat type firm gear output harmonic wave decelerator
Body motor, it includes：Shell 1, servomotor 2 and hollow carnival hat shaped steel wheel output harmonic wave decelerator 3, for convenience, under
Abbreviation in text using decelerator as hollow carnival hat shaped steel wheel output harmonic wave decelerator 3 is described.
Specifically, referring to Fig. 2, servomotor 2 includes：Drive end bearing bracket 201, rear end cap 204, fore bearing 209, rear bearing 206,
Stator 208, magnet steel 203, rotating shaft 207, motor casing 202 and rotary transformer 205, oil sealing 210 etc..
Drive end bearing bracket 201 and the structure in the form of annular discs of rear end cap 204, its both sides (left side and right side in such as Fig. 2) are processed respectively
There are some annular grooves (or spill seam) and annular boss (or convex seam), its center is equipped with an endoporus, such as exists
In Fig. 2, drive end bearing bracket is centrally formed with centre bore 2011.
The cylindrical structure of motor casing 202, its two ends are loaded in the inner side of the drive end bearing bracket 201 (right side of drive end bearing bracket in Fig. 2 respectively
Side) annular boss 2014 and the inner side of rear end cap 204 (left side of rear end cap in Fig. 2) annular boss 2042 on.
The outer ring of bearing 206 is loaded on the endoporus seam 2041 of the inner side of rear end cap 204 (left side of rear end cap in Fig. 2) afterwards
Place, the distance of endoporus seam 2041 and shaft axis is less than the distance between annular boss 2042 and shaft axis.Fore bearing 209
Outer ring be fitted at the endoporus seam 2012 of the inner side of drive end bearing bracket 201 (right side of drive end bearing bracket in Fig. 2), endoporus seam 2012 and rotating shaft
The distance of axis is less than the distance between annular boss 2014 and shaft axis.
Rotating shaft 207 is provided with the shaft-like structure of several steps, i.e., multiple different sizes are provided with the outer wall of rotating shaft 207
The shaft shoulder (shaft shoulders of the i.e. different diameters of axle).Fore bearing 209, the inner ring of rear bearing 206 are then loaded on two sections of shaft shoulders of rotating shaft 207 respectively
Place.Oil sealing 210 is an O-ring seal, and it is arranged between the inwall of the centre bore 2011 of rotating shaft 207 and drive end bearing bracket 201.
Stator 208 is fixed on the inwall of motor casing 202, and magnet steel 203 is arranged at one section of axle rank of rotating shaft 207, and with determining
Rotatable gap is designed between son 208, it is preferable that be provided with the diameter of axle of the shaft shoulder of magnet steel 303 has the inner ring of fore bearing 209 less than being loaded
The shaft shoulder the diameter of axle, and more than the diameter of axle of the shaft shoulder for having the rear inner ring of bearing 206 of being loaded.
Rotary transformer 205 is arranged on the end of rotating shaft 207, and is clamped on the outside of the rear end cap 204 (right side of rear end cap in Fig. 2
Side) in annular recess 2043.
Rotating shaft 207 has an oval axle rank (i.e. shaft shoulder section is oval) 2071 at drive end bearing bracket 201, perpendicular to
On the axis direction of rotating shaft 207, oval shaft shoulder position is corresponding with one end position with teeth of following flexbile gears 303.
Decelerator 3 includes：Wave producer 301, flexible bearing 302, flexbile gear 303, firm gear 304, decelerator bearing, flange
307 etc..
Wave producer 301 is integrated with the design of rotating shaft 207, i.e. the oval axle rank (or shaft shoulder) of the left end of rotating shaft 207 is
For the wave producer.
Flexbile gear 303 is in hollow carnival hat shape thin wall shape structure, and its one end is provided with external tooth (one end i.e. with teeth), and the other end turns up
(one end of turning up).Firm gear 304 is that, provided with internal thread circular ring, it passes through screw and the bearing inner race of decelerator bearing
305 are connected.The nesting of flexible bearing 302 is installed on above wave producer 301, and one end with teeth nesting of flexbile gear 303 is arranged on soft
The outer surface of property bearing 302, and be meshed with the internal tooth of firm gear 304.Outside the bearing of turn up one end and the decelerator bearing of flexbile gear 303
Circle 306 is each attached in the spill seam (or annular groove) 2013 of drive end bearing bracket 201, in figure 3, from left to right, decelerator
The bearing outer ring 306 of bearing and one end of turning up of flexbile gear 303 are successively fixed in spill seam.Flange 307 is a kind of hollow convex
Mesa-shaped structure, it is connected by screw with firm gear 304 and bearing inner race 305 so that flange 307 is used as output end.
The cylinder 101 of shell 1 is cylindrical in shape, and is formed with open front and after-opening 1021, and its all standing is in decelerator 3 and servo
The outside of motor 2, and with reserving running clearance at the flange 307 of decelerator 3.Bonnet 102 is provided with the rear end of shell 1, rear
After-opening 1021 is provided with lid 102.A shell seam 1011 is provided with the leading inside (right side of shell in Fig. 4) of shell 1, it is preceding
End cap 201 is loaded on the shell stop portion, and is fixed by screw.A mounting flange is additionally provided with the outside of the front end of housing 1
1012, a flange seam 10121 and a circle mounting screw holes are offered on mounting flange 1012.Preferably, open front is opened with after
More than 1021 rotating shafts of mouth are concentric.
Preferably, rotating shaft 207 is hollow axle, and the hollow cavity of hollow axle formation connects with open front and after-opening 1021
It is logical, i.e., it can constitute one because decelerator, servomotor and enclosure are hollow structures, after installing, inside it and pass through
Logical elongated hole, both can be used for internal cabling, and all-in-one of the present invention is beneficial to again and is radiated.
Servomotor 2, decelerator 3 and the mutual erection sequence of shell 1 are specifically described below：
For servomotor 2, the interference of magnet steel 203 is arranged in the middle of hollow axle 207 on one section of axle rank first, then
Mounted in the higher one section of axle rank in the left side of hollow axle 207, (diameter of axle of shaft shoulder is more than the axle of middle one section of shaft shoulder to fore bearing 209 i.e. at this
Footpath) on, and 207 highest of hollow axle, one section of axle rank (i.e. at this diameter of axle of shaft shoulder be more than higher one section of shaft shoulder the diameter of axle) block before
Bearing inner race；Similarly, the rear inner ring of bearing 206 gear is on the axle rank of 207 rear end of hollow axle one；Installed in the axle of hollow axle 207
In the insertion recessed seam 2012 of drive end bearing bracket 201 of fore bearing 209 on rank, then the nested hollow axle that is arranged on of oil sealing 210 with before
Between end cap central bore 2011 at position；Because the wave producer 301 and hollow axle 207 of decelerator are made of one, so can
Flexible bearing 302 is nested in outside wave producer 301, is that next step installation is prepared；
For decelerator 3, bearing inner race 305 is inserted in hollow carnival hat shape flexbile gear 303 one end with teeth first, flexbile gear turns up one
End laminating bearing outer ring 306；Then, firm gear 304 is concentrically mounted on and states the outer side of bearing inner race 305, and firm gear 304 is installed
Engage the one end with teeth of Shi Yaoyu flexbile gears 303；Finally, flange 307 is concentrically mounted on the outer side of firm gear 304.
Preassembled for part servomotor 2 and decelerator 3, are installed to the motor casing 202 equipped with stator above-mentioned
On the inside of motor front end cover on convex seam 2014, and cause between the magnet steel 203 on the stator 208 and hollow axle on motor casing
Leave certain running clearance；Then, then back end cover for motor inner concave seam 2041 is coated at electric motor back shaft to hold on 206, electricity
Convex seam 2042 is engaged with motor casing 202 on the inside of machine rear end cap；Above-mentioned rotary transformer 205 is nested in hollow axle again
On 207, and the left side of rotary transformer 205 is set to be loaded on the outside of rear end cap in annular recess 2043；Finally, decelerator there is flexbile gear
The turn up side of part is installed in motor front end cover lateral concave seam 2013, and by screw outside the bearing on decelerator
Circle 306 and flexbile gear 303 mutually fixed with motor front end cover 201, meanwhile, make be arranged on hollow axle 207 on flexible bearing 302 and
The one end with teeth of decelerator flexbile gear 303 is brought into close contact；
Step before completion, you can servomotor 2 and the integrative-structure of decelerator 3 from the bottom of shell 1 load cylinder (or
Procapsid) 101, and mutually fixed with seam 1011 inside procapsid, bonnet 102 is then installed to the rear end of cylinder 101 again.
Embodiment operation principle is as follows：
Hollow axle 207 is rotated when servomotor 2 is powered, the wave producer 301 being made of one with hollow axle 207
Concomitant rotation, the driving flexible bearing 302 of wave producer 301 is rotated, and rotation is passed to flexbile gear 303, flexbile gear by flexible bearing 302 again
303 are engaged motion with firm gear 304, and flexbile gear 303 is fixed with bearing outer ring 306 with motor front end cover 201, through over-subtraction
The bearing inner race 305 that the motion of speed is just fixed by firm gear 304 and with firm gear is exported.
Analysis understands that compared with prior art, the advantages of the present invention are：
Flexbile gear output from traditional decelerator is different, and patent of the present invention is fixed to the flexbile gear of decelerator before servomotor
On end cap, the steel wheel output effect of decelerator is realized；In modularized design, ensureing the requirements such as space, precision, cabling
Under the premise of, enrich selection scheme.
As known by the technical knowledge, the present invention can be by the embodiment party of other essence or essential feature without departing from its spirit
Case is realized.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only.Institute
Have within the scope of the present invention or be included in the invention in the change being equal in the scope of the present invention.
Claims (7)
1. a kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator, it is characterised in that the hollow one
Machine includes：Shell, servomotor and hollow carnival hat shaped steel wheel output harmonic wave decelerator；
The shell is cylindrical in shape；
The servomotor is fixed on the enclosure, including motor casing, drive end bearing bracket, rear end cap, rotating shaft, the drive end bearing bracket,
Rear end cap is located at the two ends of the motor casing respectively, and the rotating shaft is located inside the motor casing, and the middle part of the rotating shaft,
Rear end is located in the drive end bearing bracket, rear end cap by fore bearing and rear bearing respectively, and the front side of the drive end bearing bracket is recessed provided with annular
Seam, the partial cross section ovalize of the front end of the rotating shaft；
The hollow carnival hat shaped steel wheel output harmonic wave decelerator is located at the enclosure, and close to the open front of the shell
Place, including wave producer, flexible bearing, flexbile gear, decelerator bearing, harmonic speed reducer flange and steel wheel, the wave producer is
The part of the front end of the ellipsoidal cross section of the rotating shaft, the flexible bearing is sheathed on the wave producer, the flexbile gear
In hollow shape for hat, and including：One end with teeth and turn up one end, described one end with teeth is sheathed on the flexible bearing, and with institute
State the internal tooth engagement of steel wheel, the bearing outer ring of turn up one end and the decelerator bearing is sequentially fixed at that the annular is recessed to stop
Intraoral, the bearing inner race of the two ends of the steel wheel respectively with the flange and the decelerator bearing is fixedly connected, the flange
It is used as output end.
2. hollow motor integrating according to claim 1, it is characterised in that the rotating shaft is hollow axle, the rotating shaft
Open front and after-opening of the hollow cavity of formation with the shell constitute the elongated hole of an insertion.
3. hollow motor integrating according to claim 2, it is characterised in that the rear end of the shell is provided with bonnet, in institute
Covered after stating and be provided with the after-opening.
4. hollow motor integrating according to claim 1, it is characterised in that the rear side of the drive end bearing bracket and the rear end cap
Front side be equipped with annular boss, the motor casing is loaded on two annular boss.
5. hollow motor integrating according to claim 1, it is characterised in that the leading inside of the shell is formed with shell
Seam, the shell stop portion is loaded and has the drive end bearing bracket.
6. hollow motor integrating according to claim 1, it is characterised in that the servomotor also includes：Rotate transformation
Device, the rotary transformer is arranged on the rear end of the rotating shaft, and is clamped in the annular recess on the outside of the rear end cap.
7. hollow motor integrating according to claim 1, it is characterised in that the servomotor also includes：Oil sealing, it is described
Oil sealing is an O-ring seal, between the inwall of the rotating shaft and the centre bore of the drive end bearing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339077.5A CN106961181A (en) | 2017-05-15 | 2017-05-15 | A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710339077.5A CN106961181A (en) | 2017-05-15 | 2017-05-15 | A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106961181A true CN106961181A (en) | 2017-07-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710339077.5A Pending CN106961181A (en) | 2017-05-15 | 2017-05-15 | A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator |
Country Status (1)
| Country | Link |
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| CN (1) | CN106961181A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705327A (en) * | 2018-07-25 | 2018-10-26 | 深圳市科益展自动化有限公司 | Process the hollow harmonic wave platform of casing for clock and watch |
| CN109926796A (en) * | 2018-12-31 | 2019-06-25 | 陕西航宇有色金属加工有限公司 | TC6 titanium alloy rigid wheel shell and processing method thereof |
| CN110224525A (en) * | 2018-03-01 | 2019-09-10 | 德昌电机(深圳)有限公司 | Motor and its shell |
| CN111613897A (en) * | 2020-06-22 | 2020-09-01 | 上海宇航***工程研究所 | Central hole 360 degree rotating antenna pointing mechanism |
| TWI804824B (en) * | 2020-08-19 | 2023-06-11 | 盟英科技股份有限公司 | Drive system and motor actuator |
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| CN106026515A (en) * | 2016-08-16 | 2016-10-12 | 马新全 | Hollow brushless motor and harmonic reducer integrated machine |
| CN106253573A (en) * | 2016-10-18 | 2016-12-21 | 中国电子科技集团公司第二十研究所 | The motor integrating of integration reducer |
| CN206878639U (en) * | 2017-05-15 | 2018-01-12 | 中国电子科技集团公司第二十一研究所 | A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106026515A (en) * | 2016-08-16 | 2016-10-12 | 马新全 | Hollow brushless motor and harmonic reducer integrated machine |
| CN106253573A (en) * | 2016-10-18 | 2016-12-21 | 中国电子科技集团公司第二十研究所 | The motor integrating of integration reducer |
| CN206878639U (en) * | 2017-05-15 | 2018-01-12 | 中国电子科技集团公司第二十一研究所 | A kind of hollow motor integrating of hollow carnival hat type firm gear output harmonic wave decelerator |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110224525A (en) * | 2018-03-01 | 2019-09-10 | 德昌电机(深圳)有限公司 | Motor and its shell |
| CN108705327A (en) * | 2018-07-25 | 2018-10-26 | 深圳市科益展自动化有限公司 | Process the hollow harmonic wave platform of casing for clock and watch |
| CN108705327B (en) * | 2018-07-25 | 2023-09-12 | 科益展智能装备有限公司 | Hollow harmonic platform for processing timepiece case |
| CN109926796A (en) * | 2018-12-31 | 2019-06-25 | 陕西航宇有色金属加工有限公司 | TC6 titanium alloy rigid wheel shell and processing method thereof |
| CN111613897A (en) * | 2020-06-22 | 2020-09-01 | 上海宇航***工程研究所 | Central hole 360 degree rotating antenna pointing mechanism |
| CN111613897B (en) * | 2020-06-22 | 2021-07-06 | 上海宇航***工程研究所 | Central hole 360 degree rotating antenna pointing mechanism |
| TWI804824B (en) * | 2020-08-19 | 2023-06-11 | 盟英科技股份有限公司 | Drive system and motor actuator |
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