CN101546865B - Direction drive for antenna pedestal - Google Patents
Direction drive for antenna pedestal Download PDFInfo
- Publication number
- CN101546865B CN101546865B CN200910022378A CN200910022378A CN101546865B CN 101546865 B CN101546865 B CN 101546865B CN 200910022378 A CN200910022378 A CN 200910022378A CN 200910022378 A CN200910022378 A CN 200910022378A CN 101546865 B CN101546865 B CN 101546865B
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- China
- Prior art keywords
- cylinder blanket
- tooth
- direction drive
- antenna pedestal
- flexbile gear
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Abstract
The invention discloses a direction drive for an antenna pedestal, comprising a cylindrical shell having an opening at the upper part, a single-stage harmonic gear reducer, and a stepping motor, wherein the single-stage harmonic gear reducer is installed in the cylindrical shell; the stepping motor is installed inside the single-stage harmonic gear reducer and drives the single-stage harmonic gear reducer; and single-stage harmonic gear reducer and the cylindrical shell are coaxially arranged. The invention has simple structure, small volume and simple use and operation, and also improves the rotation precision when the volume of the prior direction drive for the antenna pedestal is reduced.
Description
Technical field
The present invention relates to a kind of high accuracy direction drive, especially relate to a kind of direction drive for antenna pedestal.
Background technology
Direction drive for antenna pedestal is the important component part of antenna structure, and it will export certain torque on the one hand, satisfies certain rotation precision requirement on the other hand again.Generally adopting servomotor or stepping motor to add other gear reduction structures on the engineering drives antenna structure; But existing driving mechanism all need be paid the cost that increases axial height or increase volume when improving rotation precision, thereby brings inconvenience for actual the use.
Summary of the invention
Technical problem to be solved by this invention is to above-mentioned deficiency of the prior art; A kind of direction drive for antenna pedestal is provided; It is simple in structure, volume is little and it is easy and simple to handle to use, and when having dwindled existing direction drive for antenna pedestal volume, has also improved rotating accuracy.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of direction drive for antenna pedestal; It is characterized in that: comprise the cylinder blanket single-stage harmonic gear reducer inner of upper opening with being installed in cylinder blanket, and the stepping motor that is installed in said single-stage harmonic gear reducer inside and said single-stage harmonic gear reducer is driven; Said single-stage harmonic gear reducer and the coaxial setting of cylinder blanket.
Said stepping motor is a disc type electric machine.
The inner chamber middle part of said cylinder blanket is coaxially arranged with a vertical support column;
Said single-stage harmonic gear reducer comprises wave producer that coaxial package rotates on support column top and around support column, it is inner and drive the firm wheel that rotates by flexbile gear at cylinder blanket to rotate the flexbile gear and the coaxial package that be out of shapes and be provided with external toothing with said wave producer, and said firm wheel is sleeved on outside the flexbile gear and with flexbile gear and is meshed; Said wave producer is by the ellipticity cam that is sleeved on support column top and rotates around support column, and the thin wall flexibility bearing of coaxial package on cam formed; Said flexbile gear is the cylindric cup-shape flexspline of coaxial package on said thin wall flexibility bearing, and the bottom of flexbile gear is fixed on the intracavity bottom of cylinder blanket;
Said disc type electric machine comprises a plurality of stator tooths that along the circumferential direction evenly are laid in the flexbile gear inside bottom; And corresponding with said a plurality of stator tooths and along the circumferential direction evenly be laid in a plurality of rotor tooths of cam bottom outside, be set with solenoid on the said stator tooth; The circular rotor disk that the circular stator discs that said a plurality of stator tooth is formed and said a plurality of rotor tooth are formed all with the coaxial setting of cylinder blanket, the tooth axis of said stator tooth and rotor tooth staggers successively.
Said stator tooth and rotor tooth are the isosceles trapezoid tooth that drift angle is circle obtuse.
Said disc type electric machine is a six-phase motor, and the quantity of said stator tooth is 12, and the quantity of said rotor tooth is 10, and the speed reducing ratio i of said single-stage harmonic gear reducer is 83.
Said flexbile gear and the corresponding through wires hole that lead passes that is connected that is provided with the power supply magnetic coil in cylinder blanket bottom.
Said support column middle and upper part is provided with one and supplies the horizontal support boss of cam installation, carries out support fixation through a plurality of balls between said cam and the horizontal support boss.
Be connected through a plurality of balls between the bottom of said firm wheel and the cylinder blanket; Said cylinder blanket top is equipped with gland, is connected through a plurality of balls between said firm wheel top and the gland.
The overhead height of said firm wheel is not less than the gland overhead height.
Said flexbile gear, stator tooth and cylinder blanket are installed as one through screw; Said cam and rotor tooth are one through screw.
The present invention compared with prior art has the following advantages: 1, simple and reasonable, volume is little and it is easy and simple to handle to use.2, novel and reasonable design has been utilized the principle of inner space of harmonic gear flexbile gear and disc type stepping motor dexterously and the two has been combined together.3, result of use is good, and rotating accuracy is high and widely applicable, and the number of phases of used disc type stepping motor can specifically be adjusted according to reality, and adjustment easily.In control, can greatly improve rotating accuracy through the electric current subdivide technology.In sum, the present invention is simple in structure, volume is little and it is easy and simple to handle to use, and when having dwindled existing direction drive for antenna pedestal volume, has also improved rotating accuracy.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the arrangement sketch map of stator tooth of the present invention.
Fig. 3 is the arrangement sketch map of rotor tooth of the present invention.
Description of reference numerals:
1-just takes turns; The 2-cam; The 3-gland;
The 4-cylinder blanket; The 5-rotor tooth; The 6-ball;
The 7-solenoid; The 8-support column; The 9-stator tooth;
The 10-flexbile gear; 11-ball thin-wall bearing; 12-horizontal support boss;
The 13-through wires hole.
Embodiment
As shown in Figure 1; The present invention includes the cylinder blanket 4 and the single-stage harmonic gear reducer that is installed in cylinder blanket 4 inside of upper opening, and the stepping motor that is installed in said single-stage harmonic gear reducer inside and said single-stage harmonic gear reducer is driven; Said single-stage harmonic gear reducer and cylinder blanket 4 coaxial settings.Said stepping motor is that disc type electric machine is the disc type stepping motor.
In the present embodiment, the inner chamber of said cylinder blanket 4 middle part is coaxially arranged with a vertical support column 8.
Said single-stage harmonic gear reducer comprises wave producer that coaxial package rotates on support column 8 tops and around support column 8, rotate with said wave producer the flexbile gear 10 and the coaxial package that be out of shapes and be provided with external toothing at cylinder blanket 4 inner and firm wheel 1 that rotate by flexbile gear 10 drives.Said firm wheel 1 is sleeved on flexbile gear 10 outsides and is meshed with flexbile gear 10, and said firm wheel 1 inboard is provided with and the corresponding ring gear of said external toothing.Said wave producer is by the ellipticity cam 2 that is sleeved on support column 8 tops and rotates around support column 8; And coaxial package is formed in the thin wall flexibility bearing on the cam 2. said flexbile gear 10 is the cylindric cup-shape flexspline of coaxial package on said thin wall flexibility bearing, and the bottom of flexbile gear 10 is fixed on the intracavity bottom of cylinder blanket 4.Said thin wall flexibility bearing is specially ball thin-wall bearing 11.
In the present embodiment, be connected through a plurality of balls 6 between the bottom of said firm wheel 1 and the cylinder blanket 4.Said cylinder blanket 4 tops are equipped with gland 3, are connected through a plurality of balls 6 between said firm wheel 1 top and the gland 3.Be connected fixing between said cylinder blanket 4 and the gland 3 through bolt.Said support column 8 middle and upper parts are provided with one and supply the horizontal support boss 12 of cam 2 installations, carry out support fixation through a plurality of balls 6 between said cam 2 and the horizontal support boss 12.
The overhead height of said firm wheel 1 is not less than gland 3 overhead heights, in the present embodiment, and the top flush of the top of said firm wheel 1 and cylinder blanket 4.
Said disc type electric machine comprises a plurality of stator tooths 9 that along the circumferential direction evenly are laid in flexbile gear 10 inside bottom; And corresponding with said a plurality of stator tooth 9 and along the circumferential direction evenly be laid in a plurality of rotor tooths 5 of cam 2 bottom outside, be set with solenoid 7 on the said stator tooth 9.The circular rotor disk that the circular stator discs that said a plurality of stator tooth 9 is formed and said a plurality of rotor tooth 5 are formed all with cylinder blanket 4 coaxial settings, the tooth axis of said stator tooth 9 and rotor tooth 5 staggers successively.In the actual fabrication process, different angles successively stagger between the tooth axis of said a plurality of stator tooths 9 and a plurality of rotor tooth 5.Said stator tooth 9 is the isosceles trapezoid tooth that drift angle is circle obtuse with rotor tooth 5.
In conjunction with Fig. 2, Fig. 3, in the present embodiment, said disc type electric machine is a six-phase motor, and the quantity of said stator tooth 9 is 12, is specially B, C, D, E, F, G, B ', C ', D ', E ', F ' and 12 stator tooths 9 of G ' of distributing along counterclockwise; The quantity of said rotor tooth 5 is 10, and the speed reducing ratio i of said single-stage harmonic gear reducer is 83.In the actual use, can the number of phases of said disc type electric machine be adjusted according to concrete rotation precision needs.In the present embodiment, said disc type electric machine adopts 6 12 modes of clapping mutually, and then its step angle is n=360 °/(6 * 10 * 2)=3 °, and again because the speed reducing ratio i of single-stage harmonic gear reducer is 83, thereby the output step size of this drive unit is 0.0361 °.
Said flexbile gear 10 and cylinder blanket 4 bottom correspondences are provided with the through wires hole 13 that lead passes that is connected of power supply magnetic coil 7.Said flexbile gear 10, stator tooth 9 and cylinder blanket 4 are installed as one through screw.Said cam 2 is one with rotor tooth 5 through screw.
The course of work of the present invention is: after the energising, said 12 stator tooths 9 and 10 rotor tooths 5 are equivalent to a six phase stepping motor in solenoid 7.At said six phase stepping motor is in the said disc type stepping motor course of work, respective drive said single-stage harmonic gear reducer work and to the adjustment of slowing down of said six phase stepping motor institute output speed.The concrete course of work of said single-stage harmonic gear reducer is: when said six phase stepping motor is the work of said disc type stepping motor; The said wave producer of its rotor tooth 5 corresponding drives continues to rotate around support column 8 by certain rotating speed; Correspondingly; Coaxial package is out of shape with the rotation of said wave producer at the flexbile gear 10 in the said wave producer outside, rotates thereby drive the firm wheel 1 that is meshed with flexbile gear 10.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit all still belongs in the protection range of technical scheme of the present invention any simple modification, change and equivalent structure transformation that above embodiment did according to the present invention.
Claims (8)
1. direction drive for antenna pedestal; It is characterized in that: comprise the cylinder blanket (4) of upper opening and be installed in the inner single-stage harmonic gear reducer of cylinder blanket (4); And the stepping motor that is installed in said single-stage harmonic gear reducer inside and said single-stage harmonic gear reducer is driven, said stepping motor is a disc type electric machine; Said single-stage harmonic gear reducer and the coaxial setting of cylinder blanket (4); The inner chamber middle part of said cylinder blanket (4) is coaxially arranged with a vertical support column (8);
Said single-stage harmonic gear reducer comprises wave producer that coaxial package rotates on support column (8) top and around support column (8), it is inner and drive the firm wheel (1) that rotates by flexbile gear (10) at cylinder blanket (4) to rotate the flexbile gear (10) that be out of shape and be provided with external toothing and coaxial package with said wave producer, and said firm wheel (1) is sleeved on outside the flexbile gear (10) and with flexbile gear (10) and is meshed; Said wave producer is by the ellipticity cam (2) that is sleeved on support column (8) top and rotates around support column (8), and the thin wall flexibility bearing of coaxial package on cam (2) formed; Said flexbile gear (10) is the cylindric cup-shape flexspline of coaxial package on said thin wall flexibility bearing, and the bottom of flexbile gear (10) is fixed on the intracavity bottom of cylinder blanket (4);
Said disc type electric machine comprises a plurality of stator tooths (9) that along the circumferential direction evenly are laid in flexbile gear (10) inside bottom; And corresponding with said a plurality of stator tooths (9) and along the circumferential direction evenly be laid in a plurality of rotor tooths (5) of cam (2) bottom outside, be set with solenoid (7) on the said stator tooth (9); The circular rotor disk that the circular stator discs that said a plurality of stator tooth (9) is formed and said a plurality of rotor tooth (5) are formed all with the coaxial setting of cylinder blanket (4), the tooth axis of said stator tooth (9) and rotor tooth (5) staggers successively.
2. according to the described a kind of direction drive for antenna pedestal of claim 1, it is characterized in that: said stator tooth (9) and rotor tooth (5) are the isosceles trapezoid tooth that drift angle is circle obtuse.
3. according to the described a kind of direction drive for antenna pedestal of claim 1; It is characterized in that: said disc type electric machine is a six-phase motor; The quantity of said stator tooth (9) is 12, and the quantity of said rotor tooth (5) is 10, and the speed reducing ratio i of said single-stage harmonic gear reducer is 83.
4. according to the described a kind of direction drive for antenna pedestal of claim 1, it is characterized in that: said flexbile gear (10) and cylinder blanket (4) bottom correspondence is provided with the through wires hole (13) that lead passes that is connected of power supply magnetic coil (7).
5. according to the described a kind of direction drive for antenna pedestal of claim 1; It is characterized in that: said support column (8) middle and upper part is provided with one and supplies the horizontal support boss (12) of cam (2) installation, carries out support fixation through a plurality of balls (6) between said cam (2) and the horizontal support boss (12).
6. according to the described a kind of direction drive for antenna pedestal of claim 1, it is characterized in that: be connected through a plurality of balls (6) between the bottom of said firm wheel (1) and the cylinder blanket (4); Said cylinder blanket (4) top is equipped with gland (3), is connected through a plurality of balls (6) between said firm wheel (1) top and the gland (3).
7. according to the described a kind of direction drive for antenna pedestal of claim 6, it is characterized in that: the overhead height of said firm wheel (1) is not less than gland (3) overhead height.
8. according to the described a kind of direction drive for antenna pedestal of claim 1, it is characterized in that: said flexbile gear (10), stator tooth (9) and cylinder blanket (4) are installed as one through screw; Said cam (2) is one with rotor tooth (5) through screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910022378A CN101546865B (en) | 2009-05-06 | 2009-05-06 | Direction drive for antenna pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910022378A CN101546865B (en) | 2009-05-06 | 2009-05-06 | Direction drive for antenna pedestal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101546865A CN101546865A (en) | 2009-09-30 |
| CN101546865B true CN101546865B (en) | 2012-08-29 |
Family
ID=41193830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910022378A Expired - Fee Related CN101546865B (en) | 2009-05-06 | 2009-05-06 | Direction drive for antenna pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101546865B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723800A (en) * | 2019-03-05 | 2019-05-07 | 苏州绿的谐波传动科技股份有限公司 | A kind of triple-frequency harmonics retarder |
| CN112706188B (en) * | 2019-10-24 | 2023-09-19 | 库卡机器人制造（上海）有限公司 | Robot and driving module thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200664U (en) * | 1986-02-05 | 1987-12-05 | 王长明 | Automatic electric direction-rotating adjuster of tv antenna |
| CN2609204Y (en) * | 2003-03-31 | 2004-03-31 | 四川省视频电子有限责任公司 | Integrated quick steller hunting electric perspective axis antenna pedestal |
| CN200947559Y (en) * | 2006-07-31 | 2007-09-12 | 梁永和 | Speed reducer of s-shaped flexible wheel harmonic gear motor |
| CN201387937Y (en) * | 2009-05-06 | 2010-01-20 | 航天恒星空间技术应用有限公司 | Antenna pedestal azimuth drive device |
-
2009
- 2009-05-06 CN CN200910022378A patent/CN101546865B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86200664U (en) * | 1986-02-05 | 1987-12-05 | 王长明 | Automatic electric direction-rotating adjuster of tv antenna |
| CN2609204Y (en) * | 2003-03-31 | 2004-03-31 | 四川省视频电子有限责任公司 | Integrated quick steller hunting electric perspective axis antenna pedestal |
| CN200947559Y (en) * | 2006-07-31 | 2007-09-12 | 梁永和 | Speed reducer of s-shaped flexible wheel harmonic gear motor |
| CN201387937Y (en) * | 2009-05-06 | 2010-01-20 | 航天恒星空间技术应用有限公司 | Antenna pedestal azimuth drive device |
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| Publication number | Publication date |
|---|---|
| CN101546865A (en) | 2009-09-30 |
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Granted publication date: 20120829 Termination date: 20180506 |
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