CN101649886A - Planet-worm and gear combined mechanical drive system - Google Patents
Planet-worm and gear combined mechanical drive system Download PDFInfo
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- CN101649886A CN101649886A CN200810147039A CN200810147039A CN101649886A CN 101649886 A CN101649886 A CN 101649886A CN 200810147039 A CN200810147039 A CN 200810147039A CN 200810147039 A CN200810147039 A CN 200810147039A CN 101649886 A CN101649886 A CN 101649886A
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Abstract
The invention discloses a planet-worm and gear combined mechanical drive system, which comprises a worm, a planet carrier, an electric output shaft, an inner gear ring, a planet wheel, a central wheel, an electric input shaft and a worm gear, wherein the central wheel is connected with the electric input shaft; the input shaft is connected with the higher-step drive system; the outer ring is the ordinary worm, and the inner ring is the inner gear ring; the planet wheel is arranged on the inner gear ring and is meshed with the inner gear ring; the central wheel is inserted into the middle of the planet wheel and is meshed with the planet wheel at the same time; the planet wheel is connected with the electric output shaft through the planet carrier; and the electric output shaft is connectedwith the lower-step drive system, and the worm is meshed with the worm gear. The system keeps compact structure and simultaneously achieves two-line input and one-line output, namely when an electricmotor is driven, the drive system automatically selects a planet drive line to drive; and the drive system automatically selects a self-locking worm and gear line to drive during manual driving so asto ensure personal safety of operation personnel. The drive system is suitable for the equipment drive system with 'electric operation' and 'manual operation'.
Description
[technical field]
The present invention relates to a kind of worm and gear machine driven system, particularly a kind of planet-worm and gear combined machine transmission system belongs to mechanical structure field.
[background technique]
In the design of weaponry, safety Design is one of important topic of Designers always.The transmission system of weaponry generally all requires to have simultaneously motor " electronic " transmission agency and artificial " manually " transmission agency.When transmission system designs,, generally all select to have the transmission system of auto-lock function in order to ensure equipment self and operator's safety.In practice, because the most space of weaponry is narrow and small, Designers adopt mostly the important step of worm and gear transmission as Transmitted chains are designed in order to take into account transmission self-locking and compact structure.
But the worm and gear transmission efficiency is lower, when worm screw is designed to the irreversible worm structure, transmission efficiency is just lower, the transmission efficiency of common worm and gear is lower than 40% in theory, even adopt the higher planar double-enveloping worm transmission of transmission efficiency, when being designed to self-locking structure, practical efficiency also is lower than 50%.
The transmission efficiency of transmission system is low, force Designers to select more powerful drive motor, power of motor is big more, volume is big more, operating current is big more, forces control system to select the electronic parts and components and the cable of big specification, increased cost, on spatial arrangement, also usually made troubles.
Therefore, have simultaneously at Equipment Requirement in the transmission system of " electronic " and " manually " transmission agency, how when realizing the transmission self-locking, improve transmission efficiency greatly? it is the problem of equipment Designers puzzle over always.
[summary of the invention]
The purpose of this invention is to provide a kind of planet-worm and gear combined machine transmission device, its transmission efficiency height, compact structure, and have auto-lock function simultaneously.
The present invention includes worm screw, planet carrier, electronic output shaft, ring gear, planet wheel, central gear, electronic input shaft and worm gear.
Central gear is connected with electronic input shaft, input shaft is connected with motor or higher level's transmission system, the outer ring is that common worm gear, inner ring are the ring gears that is made of one with worm gear, planet wheel be installed on the ring gear and with its engagement, central gear inserts in the middle of the planet wheel and meshes with planet wheel simultaneously, planet wheel is connected with electronic output shaft by planet carrier, electronic output shaft is connected with load or next stage transmission system, the worm and wheel engagement, arbitrary end of worm screw is manual input end, directly or by serial transmission is connected with handwheel indirectly in practice.Planet wheel will be more than 3.In addition, worm gear and ring gear be or not same plane, but be staggeredly arranged vertically.
Under motor was not switched on operating condition, the electronic input shaft mechanism that is locked pinned, and worm and gear is a self-locking structure, and when manually end did not have input, worm gear was pinned by worm screw.
During electronic transmission: electronic end lockable mechanism energising release, the rotation of motor is passed to input shaft by upper level transmission system (or directly), input shaft passes to moment of torsion on the coupled central gear, three planet wheels of the rotating drive of central gear rotate simultaneously, because manually end nothing input when electronic, worm screw is motionless, worm gear 8 is pinned by worm screw, also maintain static with the ring gear of worm gear one, therefore, roll along ring gear when three planet wheels are driven rotation by central gear and form revolution motion around the central gear axis, the revolution motion of planet wheel drives planet carrier and rotates, moment of torsion is passed to load or next stage transmission system by electronic output shaft, thereby realize " electronic " running equipment.Because electronic transmission line has adopted the Gear Planet Transmission of compact structure, has avoided the worm and gear transmission, so the transmission efficiency height.
During manual transmission: manually rotate handwheel, handwheel directly or indirectly passes to worm screw with torque, worm screw rotating drive worm gear rotates, worm gear rotates by the planet wheel of ring gear driving with its engagement and rotates, because electronic input end is pinned by lockable mechanism in the time of manually, central gear maintains static, therefore, when being driven rotation, planet wheel revolves round the sun around the central gear axis, and the revolution motion of planet wheel drives the planet carrier rotation, moment of torsion is passed to load or next stage transmission system by electronic output shaft, thereby realize " manually " running equipment.The load torque back transfer is when the worm gear, because the worm and gear self-locking, worm screw can not turned round by worm gear drives, so handwheel can not be equipped with and drive running, has guaranteed operator's personal safety and device security.
Beneficial effect:
1. Gear Planet Transmission and the ingenious combination of worm and gear transmission realizes that electronic, manual two lines import but the unified output of a line respectively, satisfies the specific demand of equipment to transmission system;
During 2. electronic transmission is the planetary reduction gear transmission, avoids worm and gear, the transmission efficiency height;
3. be the combination of worm and gear and Gear Planet Transmission during manual transmission, can effectively realize self-locking;
4. two kinds of compact type transmission combinations of worm and gear transmission and Gear Planet Transmission make the drive system structure compactness.
[description of drawings]
Fig. 1 is worm and gear of the present invention and planet combination transmission system principle schematic.
Wherein: 1-worm screw, 2-planet carrier, the electronic output shaft of 3-, 4-ring gear, 5-planet wheel, 6-central gear, 7-input shaft, 8-worm gear.
[embodiment]
Below in conjunction with accompanying drawing and working principle the present invention is described in further detail.
The present invention includes: worm screw 1, planet carrier 2, electronic output shaft 3, ring gear 4, planet wheel 5, central gear 6, electronic input shaft 7, worm gear 8.
Each part interacts and describes: central gear 6 is connected with electronic input shaft 7, the input shaft root is connected with motor or higher level's transmission system, the outer ring is common worm gear 8, inner ring is the ring gear 4 that is made of one with worm gear 8, planet wheel 5 be installed on the ring gear 4 and with its engagement, central gear 6 inserts in the middle of three planet wheels 5 and meshes with three planet wheels 5 simultaneously, planet wheel 5 is connected with electronic output shaft 3 by planet carrier 2, electronic output shaft 3 is connected with load or next stage transmission system, worm screw 1 and worm gear 8 engagements, worm screw 1 arbitrary end is manual input end, directly or by serial transmission is connected with handwheel indirectly in practice.
Under motor was not switched on operating condition, electronic input shaft 7 mechanism that is locked pinned, and worm and gear is a self-locking structure, and when manually end did not have input, worm gear 8 was pinned by worm screw 1.
During electronic transmission: electronic end lockable mechanism energising release, the rotation of motor is passed to motor input shaft 7 by upper level transmission system (or directly), motor input shaft 7 passes to moment of torsion on the coupled central gear 6, three planet wheels 5 of the rotating drive of central gear 6 rotate simultaneously, because manually end nothing input when electronic, worm screw 1 is motionless, worm gear 8 is pinned by worm screw 1, also maintain static with the ring gear 4 of worm gear one, therefore, roll along ring gear when three planet wheels 5 are driven rotations by central gear 6 and form revolution motion around the central gear axis, the revolution motion of planet wheel 5 drives planet carrier 2 and rotates, moment of torsion is passed to load or next stage transmission system by electronic output shaft 3, thereby realize " electronic " running equipment.Because electronic transmission line has adopted the Gear Planet Transmission of compact structure, has avoided the worm and gear transmission, so the transmission efficiency height.
Worm screw 1, planet carrier 2, electronic output shaft 3, ring gear 4, planet wheel 5, central gear 6, electronic input shaft 7, worm gear 8
During manual transmission: manually rotate handwheel, handwheel directly or indirectly passes to worm screw 1 with torque, worm screw 1 rotating drive worm gear rotates, worm gear 8 rotates by the planet wheel of ring gear 4 drivings with its engagement and rotates, because electronic input end is pinned by lockable mechanism in the time of manually, central gear 6 maintains static, therefore, when being driven rotation, planet wheel 5 revolves round the sun around the central gear axis, and the revolution motion of planet wheel 5 drives planet carrier 2 rotations, moment of torsion is passed to load or next stage transmission system by electronic output shaft 3, thereby realize " manually " running equipment.Load torque (the jolting of eccentric moment, moment of inertia, carrier such as waves at the additional moment that causes) back transfer is during to worm gear 8, because worm gear 8 worm screws 1 self-locking, worm screw 1 can not driven running by worm gear 8, therefore handwheel can not be equipped with and drive running, has guaranteed operator's personal safety and device security.
Carry out validation test on equipment, during motor driving, the transmission efficiency of invention link reaches 97%, and total transmission efficiency reaches 91%, and total transmission efficiency has improved nearly one times than former design, and power of motor consumption has reduced 40%; Reliable self-locking during hand transmission has kept intrinsic compactedness on the structure.The checking explanation: the present invention has improved the transmission efficiency when fax is moving greatly when keeping compact structure and self-locking.
The present invention includes but be not limited to above embodiment, every under the spirit and principles in the present invention, that carries out is equal to replacement, the local change, all will be considered as within protection scope of the present invention.
Claims (3)
1. planet-worm and gear combined machine transmission system is characterized in that: comprise worm screw (1), planet carrier (2), electronic output shaft (3), ring gear (4), planet wheel (5), central gear (6), electronic input shaft (7) and worm gear (8); Central gear (6) is connected with electronic input shaft (3), electronic input shaft (3) is connected with motor or higher level's transmission system, the outer ring is worm gear (8), inner ring is the ring gear (4) that is made of one with worm gear, planet wheel (5) be installed in that ring gear (4) is gone up and with its engagement, central gear (6) inserts in the middle of the planet wheel (5) and meshes with planet wheel (5) simultaneously, planet wheel (5) is connected with electronic output shaft (3) by planet carrier, electronic output shaft (3) is connected with load or next stage transmission system, worm screw (1) and worm gear (8) engagement, the end of worm screw (1) is manual input end, directly or by serial transmission is connected with handwheel indirectly.
2. a kind of planet according to claim 1-worm and gear combined machine transmission system is characterized in that: planet wheel (5) will be more than 3.
3. a kind of planet according to claim 1-worm and gear combined machine transmission system is characterized in that: worm gear (8) is staggeredly arranged vertically with ring gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147039A CN101649886A (en) | 2008-08-13 | 2008-08-13 | Planet-worm and gear combined mechanical drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810147039A CN101649886A (en) | 2008-08-13 | 2008-08-13 | Planet-worm and gear combined mechanical drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101649886A true CN101649886A (en) | 2010-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810147039A Pending CN101649886A (en) | 2008-08-13 | 2008-08-13 | Planet-worm and gear combined mechanical drive system |
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|---|---|
| CN (1) | CN101649886A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678914A (en) * | 2012-05-02 | 2012-09-19 | 浙江勤达旅游用品有限公司 | Electric/manual double-inputting speed reducer for worm gear speed-reducing motor |
| CN102916523A (en) * | 2012-11-01 | 2013-02-06 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
| CN103603926A (en) * | 2013-12-04 | 2014-02-26 | 中国航空工业第六一八研究所 | Speed reducing device of airplane cabin door opening and closing transmission mechanism |
| CN105387265A (en) * | 2015-12-07 | 2016-03-09 | 中国船舶重工集团公司第七一九研究所 | Planetary gear transmission mechanism capable of achieving mutual noninterference driving |
| CN106481863A (en) * | 2015-08-28 | 2017-03-08 | 北京泰润德科技发展有限公司 | A kind of nothing the HWO electric operator of clutch |
| CN107939913A (en) * | 2017-11-09 | 2018-04-20 | 上海机电工程研究所 | Dual input integration retarder |
| CN113595326A (en) * | 2021-09-29 | 2021-11-02 | 常州诚磊阀门科技股份有限公司 | Rotary actuator |
| CN114165560A (en) * | 2021-12-09 | 2022-03-11 | 江阴尚驰机械设备有限公司 | Vertical large-torque speed reducer with planetary gear transmission |
| CN114263707A (en) * | 2021-10-12 | 2022-04-01 | 西华大学 | Highly integrated robot joint reducer and joint device |
-
2008
- 2008-08-13 CN CN200810147039A patent/CN101649886A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102678914A (en) * | 2012-05-02 | 2012-09-19 | 浙江勤达旅游用品有限公司 | Electric/manual double-inputting speed reducer for worm gear speed-reducing motor |
| CN102916523A (en) * | 2012-11-01 | 2013-02-06 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
| CN102916523B (en) * | 2012-11-01 | 2015-04-01 | 天津开利达控制技术开发有限公司 | Coaxial speed-down actuator |
| CN103603926A (en) * | 2013-12-04 | 2014-02-26 | 中国航空工业第六一八研究所 | Speed reducing device of airplane cabin door opening and closing transmission mechanism |
| CN106481863A (en) * | 2015-08-28 | 2017-03-08 | 北京泰润德科技发展有限公司 | A kind of nothing the HWO electric operator of clutch |
| CN105387265A (en) * | 2015-12-07 | 2016-03-09 | 中国船舶重工集团公司第七一九研究所 | Planetary gear transmission mechanism capable of achieving mutual noninterference driving |
| CN107939913A (en) * | 2017-11-09 | 2018-04-20 | 上海机电工程研究所 | Dual input integration retarder |
| CN113595326A (en) * | 2021-09-29 | 2021-11-02 | 常州诚磊阀门科技股份有限公司 | Rotary actuator |
| CN114263707A (en) * | 2021-10-12 | 2022-04-01 | 西华大学 | Highly integrated robot joint reducer and joint device |
| CN114263707B (en) * | 2021-10-12 | 2023-04-28 | 西华大学 | Highly integrated robot joint reducer and joint device |
| CN114165560A (en) * | 2021-12-09 | 2022-03-11 | 江阴尚驰机械设备有限公司 | Vertical large-torque speed reducer with planetary gear transmission |
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Open date: 20100217 |