CN102141117A - Small-size speed reducer assembly for solar sailboard driving mechanism - Google Patents
Small-size speed reducer assembly for solar sailboard driving mechanism Download PDFInfo
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- CN102141117A CN102141117A CN2010106221546A CN201010622154A CN102141117A CN 102141117 A CN102141117 A CN 102141117A CN 2010106221546 A CN2010106221546 A CN 2010106221546A CN 201010622154 A CN201010622154 A CN 201010622154A CN 102141117 A CN102141117 A CN 102141117A
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Abstract
The invention discloses a small-size speed reducer assembly for a solar sailboard driving mechanism, which comprises a stepping motor (1), a harmonic gear (2), a small gear (3) and a large gear (4), wherein an output shaft of the stepping motor (1) is connected with an input shaft of the harmonic gear (2); the output end of the harmonic gear (2) is connected with the small gear (3) which is meshed with the large gear (4); and the large gear (4) and an output shaft of the solar sailboard driving mechanism are coaxially installed. The speed reducer assembly has simple and reliable composition and can realize large speed reduction ration, large-torque output and light weight of the solar sailboard driving mechanism. Meanwhile, the stepping motor (1), the harmonic gear (2) and the large gear (4) are in biased arrangement, a valuable space nearby a rotary axis is saved so that the structural layout and design of the solar sailboard driving mechanism are greatly simplified, and therefore, the solar sailboard driving mechanism has is flexible in use and has strong adaptation.
Description
Technical field
The invention belongs to Spacecraft Control and technical field of structures, particularly a kind of small-sized retarder assembly that is used for satellite sun windsurfing driving mechanism.
Background technique
The solar array driving mechanism is the requisite vitals of long lifetime three axis stabilized satellite, and major function is to support and drive solar battery array to the day orientation, and the energy and electrical signal that solar battery array is obtained are transferred in the celestial body.Owing to can't back up, the solar array driving mechanism is one of Single Point of Faliure source of minority on the star, will directly cause whole star to lose whole energy and lost efficacy in case lose efficacy.The driving function of solar array driving mechanism is realized by motor and retarder.
Because the demand of the satellite energy and the needs of orbit Design, the rotary inertia of the sun wing is increasing, driving moment and long-life demand to the solar array driving mechanism are also more and more higher, output torque is by progressively bringing up to more than the 10Nm more than the 1Nm, life-span was brought up to low orbit 5～8 years, and strict more to the requirement of small volume, light weight and low power consumption.
The retarder of space product design kind is more both at home and abroad, as spur gear, harmonic gear, planetary pinion, steel band, worm and gear etc.According to the demand of solar array driving mechanism, adopt single-stage, multistage spur gear to drive or the harmonic gear driving more.The major defect that spur gear drives is that each grade reduction speed ratio is little, and rocking link is many, volume is big, and the driven unit maximum drive moment that existing spur gear slows down is no more than 6Nm.Though harmonic gear moment is bigger, weight is big, the topology layout complexity, and its major defect is that gear is distributed on the spin axis of driving mechanism, has taken valuable central axis space, causes driving mechanism structure layout difficulty.
Summary of the invention
Technology of the present invention is dealt with problems and is, overcomes the deficiencies in the prior art, provide a kind of simple in structure, compact, have stronger driving force, do not take the solar array driving mechanism retarder assembly in axis space.
Technical solution of the present invention is: a kind of solar array driving mechanism comprises stepper motor, harmonic gear, small gear and gearwheel with small-sized retarder assembly; The standing part of harmonic gear is installed on the housing of stepper motor, and the stepper motor output shaft is connected with the input shaft of harmonic gear; The output terminal of harmonic gear connects small gear; Small gear and gearwheel engagement; Gearwheel is coaxial installation with the output shaft of solar array driving mechanism.
Described harmonic gear comprises that firm wheel, wave-generator, flexbile gear, axle are and shell, the employing mode of operation that just wheel is fixing, wave-generator is imported, flexbile gear is exported, flexbile gear and the processing of output shaft one.
Inner each surface of friction pair of described harmonic gear applies the MAC lubricant grease.
The reduction speed ratio of described harmonic gear is 100: 1.
The reduction speed ratio of described small gear and gearwheel is 5.5: 1.
The present invention's beneficial effect compared with prior art is:
(1) retarder assembly of the present invention is made up of 4 parts, and is simple and reliable, can realize the big retarding ratio of solar array driving mechanism, big moment output, light weight design.Reduction speed ratio of the present invention can reach 550: 1, and output torque surpasses 20Nm, and weight is no more than 700g.The retarder assembly can be installed on moonlet windsurfing driving mechanism, the high orbit windsurfing driving mechanism, uses flexibly, and adaptability is good, has satisfied the big moment user demand of solar array driving mechanism.
(2) harmonic gear of retarder assembly of the present invention and gearwheel adopt offset placement, the output shaft that is installed in driving mechanism is fastened, abdicated near the space of valuable spin axis, simplified the topology layout design of solar array driving mechanism greatly, make its use more flexible, adaptive capacity is strong, can be applicable to multiple directing mechanisms such as all types of solar array driving mechanisms, antenna driving mechanism, electric propulsion controlling mechanism, low-velocity scanning mechanism.
(3) windsurfing driving mechanism retarder assembly of the present invention adopts modular design, the integral component of motor and harmonic gear can use separately, can satisfy the user demand to the solar array driving mechanism of multiple model such as large, medium and small, miniature, multiple orbiter.Existing driven unit can't be applicable to miniature windsurfing driving mechanism.
(4) retarder assembly of the present invention adopts the MAC grease lubrication, and the rotation life-span is long, and the number of turns is rotated in output can reach 10
6Magnitude can satisfy the rotation number of turns demand of long lifetime windsurfing driving mechanism.
Description of drawings
Fig. 1 is a linkage structure schematic representation of the present invention;
Fig. 2 is a harmonic gear assembly schematic representation of the present invention.
Embodiment
The present invention will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, be retarder assembly of the present invention, comprise that stepper motor 1, harmonic gear 2, small gear 3 and gearwheel 4,5 are solar array driving mechanism output shaft.
Among the present invention, stepper motor 1 is a driving source, and harmonic gear 2 slows down for the first order.In the present embodiment, reduction speed ratio is 100: 1.The output terminal of harmonic gear 2 connects small gear 3, and small gear 3 and gearwheel 4 engagements are for slowing down the second level.In the present embodiment, reduction speed ratio is 5.5: 1.
In the present embodiment, stepper motor 1 model is J36BH; The model of harmonic gear 2 is the XB20 type; Gearwheel 4 is a hollow structure.
As shown in Figure 2, be harmonic gear 2 of the present invention, comprise that the firm 2-1 of wheel, wave-generator 2-2, flexbile gear 2-3, axle are 2-4 and shell 2-5.Harmonic gear 2 adopts just, and wheel 2-1 fixes, wave-generator 2-2 imports, the mode of operation of flexbile gear 2-3 output, flexbile gear 2-3 and the processing of output shaft 2-4 one.
The firm 2-1 of wheel of harmonic gear 2 is fixed on the shell end face of stepper motor 1, the output shaft of stepper motor 1 connects the wave-generator 2-2 of harmonic gear 2, the flexbile gear 2-3 of harmonic gear 2 is that 2-4 supports by the harmonic gear axle, as the output shaft that one-level is slowed down, axle head adopts key to connect and is spirally connected common fixedly small gear 3.The outside of harmonic gear is supported and protection by shell 2-5.
In the harmonic gear 2, the bearing of the 2-1 flank of tooth, the flexbile gear 2-3 flank of tooth, the internal surface that contacts with wave-generator 2-2, wave-generator 2-2, surface of friction pair such as the bearing coating MAC lubricant grease that the harmonic gear axle is 2-4 have just been taken turns.Can improve the rotation life-span of gear like this, the number of turns is rotated in its output can reach 10
6Magnitude can satisfy the rotation number of turns demand of long lifetime windsurfing driving mechanism.
Working procedure of the present invention is: stepper motor 1 rotates, the wave-generator 2-2 that drives harmonic gear 2 rotates, slow down by harmonic gear 2, driving small gear 3 rotates, double reduction by spur gear, drive 5 rotations of solar array driving mechanism output shaft, finish the driving function, realize solar battery array is driven the function of following the tracks of the sun.
The reduction speed ratio of present embodiment reaches 550: 1, and output torque surpasses 20Nm, and weight is no more than 700g.This retarder assembly can be installed on moonlet windsurfing driving mechanism, the high orbit windsurfing driving mechanism, uses flexibly, and adaptability is good, has satisfied the big moment user demand of solar array driving mechanism.
Certainly, under the situation that does not change its function, the equivalent transformation that carries out or alternative also falls into protection scope of the present invention to each constituent elements of the present invention, position relation and Placement.
The content that is not described in detail in the specification of the present invention belongs to those skilled in the art's known technology.
Claims (5)
1. a solar array driving mechanism is characterized in that: comprise stepper motor (1), harmonic gear (2), small gear (3) and gearwheel (4) with small-sized retarder assembly; The standing part of harmonic gear (2) is installed on the housing of stepper motor (1), and stepper motor (1) output shaft is connected with the input shaft of harmonic gear (2); The output terminal of harmonic gear (2) connects small gear (3); Small gear (3) and gearwheel (4) engagement; Gearwheel (4) is coaxial installation with the output shaft of solar array driving mechanism.
According to a kind of solar array driving mechanism of claim 1 with small-sized retarder assembly, it is characterized in that: described harmonic gear (2) comprises firm wheel (2-1), wave-generator (2-2), flexbile gear (2-3), axle system (2-4) and shell (2-5); Described harmonic gear (2) the employing mode of operation that just wheel (2-1) is fixing, wave-generator (2-2) is imported, flexbile gear (2-3) is exported, flexbile gear (2-3) and the processing of output shaft (2-4) one.
According to a kind of solar array driving mechanism of claim 1 or 2 with small-sized retarder assembly, it is characterized in that: inner each surface of friction pair of described harmonic gear (2) applies MAC lubricant grease.
According to a kind of solar array driving mechanism of claim 1 or 2 with small-sized retarder assembly, it is characterized in that: the reduction speed ratio of described harmonic gear (2) is 100: 1.
According to a kind of solar array driving mechanism of claim 1 or 2 with small-sized retarder assembly, it is characterized in that: described small gear (3) is 5.5: 1 with the reduction speed ratio of gearwheel (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106221546A CN102141117A (en) | 2010-12-27 | 2010-12-27 | Small-size speed reducer assembly for solar sailboard driving mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106221546A CN102141117A (en) | 2010-12-27 | 2010-12-27 | Small-size speed reducer assembly for solar sailboard driving mechanism |
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| CN102141117A true CN102141117A (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106221546A Pending CN102141117A (en) | 2010-12-27 | 2010-12-27 | Small-size speed reducer assembly for solar sailboard driving mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103662100A (en) * | 2013-11-20 | 2014-03-26 | 上海宇航系统工程研究所 | Unfolding device achieving high precision, miniaturization and high torque output |
| CN103758990A (en) * | 2014-01-02 | 2014-04-30 | 上海宇航系统工程研究所 | Lubricating device of lunar high-load spatial mechanism |
| CN106428495A (en) * | 2016-10-20 | 2017-02-22 | 中国海洋大学 | Marine unmanned vehicle directly driven by wind energy |
| CN106927067A (en) * | 2015-12-31 | 2017-07-07 | 中国科学院沈阳自动化研究所 | A kind of solar sail development mechanism |
| CN107329493A (en) * | 2017-05-16 | 2017-11-07 | 上海卫星工程研究所 | Double-vane sun battle array Direct to the sun drive device applied to networking moonlet |
| CN111416253A (en) * | 2020-03-31 | 2020-07-14 | 北京控制工程研究所 | Electricity transmission rotary joint |
| CN114050685A (en) * | 2021-10-25 | 2022-02-15 | 北京机械设备研究所 | Solar sailboard driving device and satellite equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1442248A (en) * | 1973-09-28 | 1976-07-14 | Frankenthal Ag Albert | Drive mechanism for rotary printing machines |
| GB2266354A (en) * | 1992-04-20 | 1993-10-27 | Jupitor Corp | Rotor rotating apparatus for inspection of a jet engine |
| EP0984201A1 (en) * | 1998-03-25 | 2000-03-08 | Harmonic Drive Systems Inc. | Phase regulating apparatus |
-
2010
- 2010-12-27 CN CN2010106221546A patent/CN102141117A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1442248A (en) * | 1973-09-28 | 1976-07-14 | Frankenthal Ag Albert | Drive mechanism for rotary printing machines |
| GB2266354A (en) * | 1992-04-20 | 1993-10-27 | Jupitor Corp | Rotor rotating apparatus for inspection of a jet engine |
| EP0984201A1 (en) * | 1998-03-25 | 2000-03-08 | Harmonic Drive Systems Inc. | Phase regulating apparatus |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103662100A (en) * | 2013-11-20 | 2014-03-26 | 上海宇航系统工程研究所 | Unfolding device achieving high precision, miniaturization and high torque output |
| CN103662100B (en) * | 2013-11-20 | 2016-02-10 | 上海宇航系统工程研究所 | High precision, miniaturization, high-torque export expanding unit |
| CN103758990A (en) * | 2014-01-02 | 2014-04-30 | 上海宇航系统工程研究所 | Lubricating device of lunar high-load spatial mechanism |
| CN106927067A (en) * | 2015-12-31 | 2017-07-07 | 中国科学院沈阳自动化研究所 | A kind of solar sail development mechanism |
| CN106428495A (en) * | 2016-10-20 | 2017-02-22 | 中国海洋大学 | Marine unmanned vehicle directly driven by wind energy |
| CN107329493A (en) * | 2017-05-16 | 2017-11-07 | 上海卫星工程研究所 | Double-vane sun battle array Direct to the sun drive device applied to networking moonlet |
| CN111416253A (en) * | 2020-03-31 | 2020-07-14 | 北京控制工程研究所 | Electricity transmission rotary joint |
| CN114050685A (en) * | 2021-10-25 | 2022-02-15 | 北京机械设备研究所 | Solar sailboard driving device and satellite equipment |
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Application publication date: 20110803 |