CN102792814A - High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system - Google Patents
High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system Download PDFInfo
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- CN102792814A CN102792814A CN2012103250989A CN201210325098A CN102792814A CN 102792814 A CN102792814 A CN 102792814A CN 2012103250989 A CN2012103250989 A CN 2012103250989A CN 201210325098 A CN201210325098 A CN 201210325098A CN 102792814 A CN102792814 A CN 102792814A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 210000000078 claw Anatomy 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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Abstract
The invention discloses a high-speed pot seedling transplanting mechanism with a free second-order non-circular gear and planet system. The working principle of the mechanism is as follows: power is transmitted to a planet carrier via a central shaft; free second-order central non-circular gears are fixedly connected with a rack; two free second-order intermediate non-circular gears are connected with hinges of the planet carrier by two intermediate shafts; two free second-order planet non-circular gears are connected with the hinges of the planet carrier by two planet shafts; the two free second-order intermediate non-circular gears are connected with pairs of the two free second-order central non-circular gears; the two free second-order planet non-circular gears are connected with pairs of the two free second-order intermediate non-circular gears; the two free second-order planet non-circular gears are connected with splines of the two planet shafts; and two seedling picking claws are fixedly connected with the two planet shafts. The mechanism has the following beneficial effects: an h-shaped locus needed for pot seedling transplanting is formed through drive of the free second-order non-circular gears; and the mechanism has compact structure, is stable in drive, carries out transplanting twice while the planet carrier rotates a circle, has high efficiency, meets the requirements of pot seedling picking and transplanting and is suitable for transplanting operations in paddy fields and dry fields.
Description
Technical field
The present invention relates to the transplanting machine in a kind of agricultural machinery, specifically relating to a kind of free second order noncircular planetary gear is high speed potted-seedling transplanting mechanism.
Background technology
Transplanting has the compensating action of weather and the comprehensive benefit that crop growth is done sth. in advance, and can make full use of the photo-thermal resource, and its economic benefit and social benefit are all considerable.The potted-seedling transplanting operation in paddy field, nonirrigated farmland need be developed high speed potted-seedling transplanting mechanism.
The planet circular system epicyclic gear is existing the application on rice transplanter; Rice transplanter is that the seedling pin need not to get in the alms bowl body, gets seedling through tearing the mode of soil block to a kind of transplanting machinery of blanket shape seedling; Seedling pin track is a smooth continuous curve; And pot seedling transplanter needs the seedling pin to get into clamping rice shoot in the pot seedling disk, and can not destroy the alms bowl dish and hinder root, so track needs a sharp-pointed convexity; Get into the alms bowl body to leaving the alms bowl body fully from the seedling pin; The direction keeping parallelism of the direction of motion of seedling pin and alms bowl body; Be that the seedling pin needs one section movement locus that approaches straight line; Planetary system variable speed transmission mechanisms such as the elliptic gear of on existing transplanting machinery, using, eccentric non-circular gear all can not satisfy above-mentioned requirements; The special track that pot seedling transplanter requires has hindered the application of rotary planetary wheel mechanism on transplanter, promptly can't use rotary seedling-distributing mechanism to overcome the shortcoming of existing seedling-distributing mechanism.
Summary of the invention
The purpose of this invention is to provide a kind of free second order noncircular planetary gear is high speed potted-seedling transplanting mechanism; This mechanism utilizes the special gearratio of second order freely; Required " foretelling shape " the track requirement of pot seedling transplanter can be satisfied, and the operation of transplanter under any rotating speed can be adapted to.
In order to achieve the above object, the technical scheme of the present invention's employing is:
One end of central shaft of the present invention is connected with power set; The other end and the planet carrier of central shaft are affixed; Free second order center non-circular gear sky is enclosed within on the central shaft affixed with frame; The middle non-circular gear of the first free second order, the middle non-circular gear of the second free second order be first jackshaft, second jackshaft and the planet carrier hinge-coupled through connecting with its bearing pin respectively; The first free second order planet non-circular gear through with first planet axis and the planet carrier hinge-coupled of its splined; The second free second order planet non-circular gear through with second planet axis and the planet carrier hinge-coupled of its splined, in the middle of the first free second order in the middle of the non-circular gear and the first free second order planet non-circular gear, the second free second order non-circular gear and the second free second order planet non-circular gear be distributed in the both sides of central shaft respectively; A place of non-circular gear, the middle non-circular gear of the second free second order connects with free second order center non-circular gear gear pair respectively in the middle of the first free second order, and another place of non-circular gear, the middle non-circular gear of the second free second order connects with the first free second order planet non-circular gear and the first free second order planet non-circular gear gear pair respectively in the middle of the first free second order; First seedling claw, first seedling claw are affixed respectively at first planet axis and second planet axis.
The pitch curve parameter of described free second order center non-circular gear, the first free second order planet non-circular gear and three gears of the second free second order planet non-circular gear is in full accord; The pitch curve parameter of non-circular gear and the middle non-circular gear of the second free second order is in full accord in the middle of the first free second order.
Planet carrier rotates a week; Non-circular gear and the relative planet carrier of the middle non-circular gear of the second free second order are also done the complete cycle rotation in the middle of the first free second order, and the gearratio of the first free second order center non-circular gear and the middle non-circular gear of the first and second free second orders is divided into two different wave process in the complete cycle motion.
Through described free second order noncircular planetary gear is transmission, and first seedling claw, second seedling claw be not constant amplitude swing of secondary in the cycle, forms " foretelling shape " track, and the right part of track forms a sharp mouth.
The beneficial effect that the present invention has is:
The present invention rotates a week satisfying planet carrier; The gearratio rule of non-circular gear in the middle of design free second order center non-circular gear and free second order under the condition that is satisfying the relative planet carrier complete cycle rotation of the middle non-circular gear of free second order changes the amplitude of two wave process of gearratio and each wave process can be controlled seedling claw flexibly in the shared ratio of period of motion required time secondary swaying movement regularity.
This seedling-distributing mechanism is as the variable speed transmission mechanism through free second order noncircular planetary gear, and the seedling claw cuspidal locus becomes " foretelling shape ", and this track satisfies pot seedling transplanter and transplants agriculture requirement; Overcome the shortcoming of multi-bar linkage and indexing mechanism, had simple in structurely, volume is little, and is in light weight, vibrate little, advantages such as low cost of manufacture; Adopt the arrangement of two seedling claws simultaneously, planet carrier rotates once, transplants operation twice, and high efficiency can adapt to paddy field and the nonirrigated farmland of transplanter under any rotating speed and transplant operation.
Description of drawings
Fig. 1 is a structural principle sketch map of the present invention.
Fig. 2 is the transmission ratio curve of non-circular gear in the middle of free second order center non-circular gear and the first free second order in the cycle.
Fig. 3 is that free second order noncircular planetary gear is gears engaged figure.
Fig. 4 is the first seedling claw pivot angle curve in the cycle.
Fig. 5 is the single cycle transmission ratio curve of several frequently seen non-circular gear.
Among the figure: 1, central shaft, 2, planet carrier, 3, free second order center non-circular gear, non-circular gear in the middle of 4, the first free second order; Non-circular gear in the middle of 4 ', the second free second order, 5, first jackshaft, 5 ', first jackshaft, 6, the first free second order planet non-circular gear; 6 ', the second free second order planet non-circular gear, 7, first planet axis, 7 ', second planet axis, 8; First seedling claw, 8 ', second seedling claw, 9, " foretell shape " track; 10, single-stage oval gear transmission ratio curve periodically, 11, single-stage elliptic gear transmission ratio curve periodically, 12, single-stage distortion oval gear transmission ratio curve periodically.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
As shown in Figure 1; One end of central shaft 1 is connected with power set; The other end of central shaft 1 and planet carrier 2 are affixed; Free second order center non-circular gear 3 skies are enclosed within on the central shaft 1 affixed with frame; Non-circular gear 4 ' first jackshaft 5, second jackshaft 5 ' and the planet carrier hinge-coupled through connecting respectively in the middle of non-circular gear 4, the second free second order in the middle of the first free second order with its bearing pin; The first free second order planet non-circular gear (6) through with first planet axis 7 and planet carrier hinge-coupled of its splined; The second free second order planet non-circular gear 6 ' through with second planet axis 7 ' and planet carrier hinge-coupled of its splined, non-circular gear 4 and first free second order planet non-circular gear 6, the second free second order centre non-circular gear 4 ' and the second free second order planet non-circular gear 6 ' are distributed in the both sides of central shaft (1) respectively in the middle of the first free second order; A place of the middle non-circular gear 4 ' of non-circular gear 4, the second free second order connects with free second order center non-circular gear 3 gear pairs respectively in the middle of the first free second order, and another place of the middle non-circular gear 4 ' of non-circular gear 4, the second free second order connects with first free second order planet the non-circular gear 6 and first free second order planet non-circular gear 6 ' gear pair respectively in the middle of the first free second order; First seedling claw 8, first seedling claw 8 ' are affixed respectively at first planet axis 7 and second planet axis 7 '.Planet carrier 2 shown in Figure 1 clockwise rotates; Through free second order noncircular planetary gear is transmission; Above-mentioned two seedling claws form " foretelling shape " track 9; Two seedling claws along hand motion, at the stretch out sharp mouth Duan Youyi section near linear of two seedling claws by " foretelling shape " track 9 tops entering " fore-telling shape " track 9 right parts, guarantee that seedling claw can vertically insert pot seedling soil alms bowl on " foretelling shape " track 9.
The pitch curve parameter of 6 ' three gears of described free second order center non-circular gear 3, first free second order planet the non-circular gear 6 and second free second order planet non-circular gear is in full accord; The pitch curve parameter of non-circular gear 4 and the middle non-circular gear 4 ' of the second free second order is in full accord in the middle of the first free second order.
Planet carrier 2 rotates a week; In the middle of the first free second order in the middle of non-circular gear 4 and the second free second order non-circular gear 4 ' relative planet carrier 2 also do complete cycle and rotate, the middle non-circular gear of the first free second order center non-circular gear, the 3 and first and second free second orders 4 during complete cycle moves, 4 ' gearratio are divided into two different wave process., transmission ratio curve is as shown in Figure 2 in its cycle, and gearratio is the secondary fluctuation in the cycle, has the amplitude and the valley of two fluctuations, and twice wave process accounts for the ratio of total cycle time, the amplitude that fluctuates and valley and can require flexible design according to track.The pitch curve parameter of 6 ' three gears of free second order center non-circular gear 3, first free second order planet the non-circular gear 6 and second free second order planet non-circular gear is in full accord; The pitch curve parameter of non-circular gear 4 and the middle non-circular gear 4 ' of the second free second order is in full accord in the middle of the first free second order; The gears engaged figure of said mechanism is as shown in Figure 3; Non-circular gear flank profil among Fig. 3 is by the decision of the gearratio rule among Fig. 2, and the pitch curve of train is free second order pitch curve.
Rotate in the one-period at planet carrier 2; First seedling claw 8 is as shown in Figure 4 with horizontal direction variable angle curve, and is visible from Fig. 4, and it is big that first seedling claw, 8 angles become earlier; Be decreased to first valley after arriving first amplitude; Increase to another amplitude afterwards again, and then be decreased to second valley, first seedling claw 8 experiences not constant amplitude swing of secondary in one-period.
Shown in Figure 5 is the periodicity gearratio rule of elliptic gear, distortion oval gear and oval gear; The fluctuation of elliptic gear one-period transmission ratio function once; Gearratio fluctuates twice in distortion oval gear and the oval gear cycle, but the amplitude of two fluctuations is consistent with valley, has limited that non-at the uniform velocity gearratio compares rule in the cycle; The periodicity gearratio rule of free second order non-circular gear transmission shown in Figure 2 is more flexible than several kinds of transmissions shown in Figure 5, and output characteristics is more conducive to form the potted-seedling transplanting track.
Operation principle of the present invention is following:
Power is passed to and central shaft 1 affixed planet carrier 2 via central shaft 1, drives planet carrier 2 and clockwise rotates.Free second order center non-circular gear 3 skies are enclosed within on the central shaft 1 affixed with frame; Non-circular gear 4 ' first jackshaft 5, second jackshaft 5 ' and the planet carrier hinge-coupled through connecting respectively in the middle of non-circular gear 4, the second free second order in the middle of the first free second order with its bearing pin; First free second order planet non-circular gear 6, the second free second order planet non-circular gear 6 ' respectively through with first planet axis 7, second planet axis 7 ' and planet carrier hinge-coupled of its splined, non-circular gears and two free second order planet non-circular gears are distributed in the both sides of central shaft 1 in the middle of the above-mentioned two free second orders; The middle non-circular gear of non-circular gear 4, the second free second order 4 ' one place connects with free second order center non-circular gear 3 gear pairs in the middle of the first free second order, and another place of the middle non-circular gear 4 ' of non-circular gear 4, the second free second order connects with first free second order planet non-circular gear 6, the first free second order planet non-circular gear 6 ' gear pair respectively in the middle of the first free second order; First seedling claw 8, first seedling claw 8 ' are affixed respectively at first planet axis 7, second planet axis 7 '.
Through described free second order center noncircular planetary gear is transmission, and not constant amplitude swing of secondary in first seedling claw 8,8 ' cycle of first seedling claw forms " foretelling shape " track, and the right part of track forms a sharp mouth, satisfies the potted-seedling transplanting job requirements.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (4)
1. a free second order noncircular planetary gear is a high speed potted-seedling transplanting mechanism; One end of central shaft (1) is connected with power set; The other end of central shaft (1) and planet carrier (2) are affixed; It is characterized in that: free second order center non-circular gear (3) sky is enclosed within that central shaft (1) is gone up and frame is affixed; The middle non-circular gear (4) of the first free second order, the second middle non-circular gear of free second order (4 ') be first jackshaft (5), second jackshaft (5 ') and planet carrier hinge-coupled through connecting with its bearing pin respectively; The first free second order planet non-circular gear (6) through with first planet axis (7) of its splined and planet carrier hinge-coupled; The second free second order planet non-circular gear (6 ') through with second planet axis (7 ') of its splined and planet carrier hinge-coupled, non-circular gear (4) and the first free second order planet non-circular gear (6), the second free second order centre non-circular gear (4 ') and the second free second order planet non-circular gear (6 ') are distributed in the both sides of central shaft (1) respectively in the middle of the first free second order; A place of non-circular gear (4), the second middle non-circular gear of free second order (4 ') connects with free second order center non-circular gear (3) gear pair respectively in the middle of the first free second order, and another place of non-circular gear (4), the second middle non-circular gear of free second order (4 ') connects with the first free second order planet non-circular gear (6) and first free second order planet non-circular gear (the 6 ') gear pair respectively in the middle of the first free second order; First seedling claw (8), first seedling claw (8 ') are affixed respectively at first planet axis (7) and second planet axis (7 ').
2. a kind of free second order noncircular planetary gear according to claim 1 is a high speed potted-seedling transplanting mechanism, it is characterized in that: the pitch curve parameter of described free second order center non-circular gear (3), the first free second order planet non-circular gear (6) and three gears of the second free second order planet non-circular gear (6 ') is in full accord; The pitch curve parameter of the non-circular gear (4) and the second middle non-circular gear of free second order (4 ') is in full accord in the middle of the first free second order.
3. a kind of free second order noncircular planetary gear according to claim 1 is a high speed potted-seedling transplanting mechanism; It is characterized in that: planet carrier (2) rotates a week; The relative planet carrier (2) with the second middle non-circular gear of free second order (4 ') of non-circular gear (4) is also done the complete cycle rotation in the middle of the first free second order, and the first free second order center non-circular gear (3) is divided into two different wave process with the gearratio of the middle non-circular gear (4) of the first and second free second orders, (4 ') in the complete cycle motion.
4. a kind of free second order noncircular planetary gear according to claim 1 is a high speed potted-seedling transplanting mechanism; It is characterized in that: through described free second order noncircular planetary gear is transmission; First seedling claw (8), not constant amplitude swing of secondary in second seedling claw (the 8 ') cycle; Form " foretelling shape " track, the right part of track forms a sharp mouth.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325098.9A CN102792814B (en) | 2012-09-05 | 2012-09-05 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
| PCT/CN2013/073118 WO2014036825A1 (en) | 2012-09-05 | 2013-03-25 | Combined-type pot-grown rice seedling transplanting mechanism |
| JP2015530268A JP6074508B2 (en) | 2012-09-05 | 2013-03-25 | Transplanting mechanism for combined rice bot seedlings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210325098.9A CN102792814B (en) | 2012-09-05 | 2012-09-05 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
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| CN102792814A true CN102792814A (en) | 2012-11-28 |
| CN102792814B CN102792814B (en) | 2014-07-16 |
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| CN201210325098.9A Expired - Fee Related CN102792814B (en) | 2012-09-05 | 2012-09-05 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103609236A (en) * | 2013-11-27 | 2014-03-05 | 浙江理工大学 | Second-order Fourier joint curve non-circular gear pot seedling transplantation seedling-clamping-type seedling pick-up mechanism |
| CN103621227A (en) * | 2013-11-27 | 2014-03-12 | 浙江理工大学 | Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism |
| WO2014036825A1 (en) * | 2012-09-05 | 2014-03-13 | 东北农业大学 | Combined-type pot-grown rice seedling transplanting mechanism |
| CN103636328A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | Free two-order non-circular gear-eccentric non-circular gear pot seedling transplanting and clamping type seedling pickling mechanism |
| CN103636329A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | High-order mixed Fourier pitch curve non-circular gear pot seedling transplantation seedling-clamp type seedling fetching mechanism |
| CN103939531A (en) * | 2014-04-24 | 2014-07-23 | 浙江理工大学 | Method for designing non-circular gear planetary system through Fourier function segment transmission ratios |
| CN107654585A (en) * | 2017-08-30 | 2018-02-02 | 浙江理工大学 | Non-circular gear planetary gear system design method based on kinematics mapping |
| CN107882944A (en) * | 2017-10-30 | 2018-04-06 | 黄丽贤 | A kind of bielliptic(al) gear pair gearbox designs |
| CN109699259A (en) * | 2019-03-13 | 2019-05-03 | 石河子大学 | A kind of Plug seedling seedling picking mechanism based on Some Second Order Elliptic planetary gear train |
| CN113950913A (en) * | 2021-11-11 | 2022-01-21 | 吉林省农业机械研究院 | Seedling taking and transplanting mechanism of pot seedling transplanter |
| CN114402760A (en) * | 2022-01-17 | 2022-04-29 | 江苏大学 | Three-arm type differential non-circular gear system transplanting mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014036825A1 (en) * | 2012-09-05 | 2014-03-13 | 东北农业大学 | Combined-type pot-grown rice seedling transplanting mechanism |
| CN103609236B (en) * | 2013-11-27 | 2016-02-24 | 浙江理工大学 | Second-order Fourier joint curve non-knuckle-tooth potted-seedling transplanting folder seedling formula seedling picking mechanism |
| CN103621227A (en) * | 2013-11-27 | 2014-03-12 | 浙江理工大学 | Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism |
| CN103636328A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | Free two-order non-circular gear-eccentric non-circular gear pot seedling transplanting and clamping type seedling pickling mechanism |
| CN103636329A (en) * | 2013-11-27 | 2014-03-19 | 浙江理工大学 | High-order mixed Fourier pitch curve non-circular gear pot seedling transplantation seedling-clamp type seedling fetching mechanism |
| CN103609236A (en) * | 2013-11-27 | 2014-03-05 | 浙江理工大学 | Second-order Fourier joint curve non-circular gear pot seedling transplantation seedling-clamping-type seedling pick-up mechanism |
| CN103939531A (en) * | 2014-04-24 | 2014-07-23 | 浙江理工大学 | Method for designing non-circular gear planetary system through Fourier function segment transmission ratios |
| CN103939531B (en) * | 2014-04-24 | 2016-04-27 | 浙江理工大学 | A kind of method being designed noncircular planetary gear system by fourier function segmentation velocity ratio |
| CN107654585A (en) * | 2017-08-30 | 2018-02-02 | 浙江理工大学 | Non-circular gear planetary gear system design method based on kinematics mapping |
| CN107654585B (en) * | 2017-08-30 | 2019-07-16 | 浙江理工大学 | Non-circular gear planetary gear system design method based on kinematics mapping |
| CN107882944A (en) * | 2017-10-30 | 2018-04-06 | 黄丽贤 | A kind of bielliptic(al) gear pair gearbox designs |
| CN107882944B (en) * | 2017-10-30 | 2020-05-08 | 平庆路 | Double-elliptic gear pair gearbox structure |
| CN109699259A (en) * | 2019-03-13 | 2019-05-03 | 石河子大学 | A kind of Plug seedling seedling picking mechanism based on Some Second Order Elliptic planetary gear train |
| CN113950913A (en) * | 2021-11-11 | 2022-01-21 | 吉林省农业机械研究院 | Seedling taking and transplanting mechanism of pot seedling transplanter |
| CN114402760A (en) * | 2022-01-17 | 2022-04-29 | 江苏大学 | Three-arm type differential non-circular gear system transplanting mechanism |
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