CN106332585B - Double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism - Google Patents
Double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism Download PDFInfo
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- CN106332585B CN106332585B CN201610834600.7A CN201610834600A CN106332585B CN 106332585 B CN106332585 B CN 106332585B CN 201610834600 A CN201610834600 A CN 201610834600A CN 106332585 B CN106332585 B CN 106332585B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
- A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
Abstract
The invention discloses double-planet posture it is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism.Existing seedling taking and plant one potted-seedling transplanting mechanism can only in a manner of directly pressing from both sides seedling seedling taking, seedling root is had damage；Seedling taking and plant are realized then more complicated by Liang Tao mechanism.Drive sprocket axle and central axis of the invention is supported on power drive case both ends by bearing；The drive sprocket being fixed on drive sprocket axle is connect with affixed center sprocket wheel on center shaft by chain；The both ends of central axis are symmetrically arranged with two primary planet trains, and upper pair planetary gear train and lower secondary planetary gear train are separately positioned on primary planet train both ends；Upper pair planetary gear train is equipped with upper planting arm, and lower pair planetary gear train is equipped with lower planting arm.The present invention is realized using a set of mechanism takes native formula seedling taking into alms bowl, is in translation in seedling taking stage seedling claw, can keep bowl-entering soil integrality；The Tui Yangduan trajectory distance mechanism centre of gyration farther out, improves mechanism working environment.
Description
Technical field
The invention belongs to agricultural mechanical fields, and in particular to suitable for high speed, the duplicate rows carrier of wide row space pot seedling transplanter
Formula is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism.
Background technique
Currently, potted-seedling transplanting mechanism is divided into two classes mostly: one kind is passed using a set of uniline carrier two-stage variable speed gear
Motivation structure realizes seedling taking and plant, is had according to the difference of folder seedling position and is divided into seedling clamping type and folder alms bowl formula, wherein seedling clamping type this be easy to
The damage to seedling strain bottom stem is caused, the more fragile crop transplanting of seedling stem is not suitable for；Although and seedling can be reduced by pressing from both sides alms bowl formula
Pawl is to damage, but to protrude into the culture pan distance bigger Shi Tuimiaoduan trajectory distance mechanism centre of gyration closer for seedling pawl, leads to entire mechanism
It is excessively close apart from ground, it is unfavorable for throwing seedling；Another kind of is to be divided into Liang Tao mechanism to seedling taking and movement of planting seedlings to realize, a set of mechanism uses
Native seedling taking is pressed from both sides into alms bowl to realize, and another set of mechanism realizes plant, entire mechanism is more complicated.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of non-circular-elliptic gears of major-minor duplicate rows carrier
Planetary gear train potted-seedling transplanting mechanism is realized using a set of mechanism and takes native formula seedling taking, and its Tui Yangduan trajectory distance mechanism into alms bowl
The centre of gyration farther out, increases the working depth of entire mechanism, improves mechanism working environment.
In order to achieve the above object, the technical solution adopted by the present invention is that:
The present invention includes power drive case, drive sprocket axle, drive sprocket, chain, center sprocket wheel, central axis, primary planet
Train, upper secondary planetary gear train, lower secondary planetary gear train, upper planting arm and lower planting arm；The drive sprocket axle and central axis is logical
It crosses bearing and is supported on power drive case both ends；The drive sprocket being fixed on drive sprocket axle and affixed center on center shaft
Sprocket wheel is connected by chain；The both ends of central axis are symmetrically arranged with two primary planet trains, and the both ends of primary planet train are respectively set
Upper pair planetary gear train and lower secondary planetary gear train；Upper pair planetary gear train is equipped with upper planting arm；Lower pair planetary gear train is equipped with lower planting arm；
Upper planting arm is identical with the structure of lower planting arm.
The primary planet train include main-gear box, center non-circular gear, lower jackshaft, lower intermediate non-circular gear, under
Intermediate elliptic gear, upper jackshaft, upper intermediate non-circular gear, upper intermediate elliptic gear, lower planet axis, upper planet axis, lower planet
Non-circular gear, lower planet elliptic gear, upper planet non-circular gear and upper planet elliptic gear；Main-gear box is fixed with central axis；
The center non-circular gear empty set on center shaft, and is fixed by main jaw flange and power drive case；Lower jackshaft
Central axis two sides are symmetricly set on upper jackshaft, and hinged with main-gear box；Upper planet axis and lower planet axial symmetry are hinged
At main-gear box both ends；Upper intermediate non-circular gear and upper intermediate elliptic gear are each attached on jackshaft, the lower non-knuckle-tooth in centre
Wheel and lower intermediate elliptic gear are each attached on lower jackshaft；The two sides of the center non-circular gear respectively with the lower non-knuckle-tooth in centre
Wheel and upper intermediate non-circular gear engagement；The upper planet non-circular gear and upper intermediate non-circular gear being fixed on upper planet axis engage；
Upper planet elliptic gear and upper intermediate elliptic gear of the empty set on upper planet axis engage；The lower planet being fixed on lower planet axis
Non-circular gear and lower intermediate non-circular gear engage；Lower planet elliptic gear and lower intermediate elliptic gear of the empty set on lower planet axis
Engagement.
The upper secondary planetary gear train includes upper pinion case, upper secondary planet axis, upper sub-center elliptic gear and upper secondary row
Star elliptic gear.The upper pinion case is supported on main-gear box by bearing, and upper pair planet axis is hinged on pinion
On case；The upper sub-center elliptic gear empty set is and affixed with upper planet elliptic gear on upper planet axis；Upper pair planet is ellipse
Knucle-gear is fixed in secondary planet axis, and is engaged with upper sub-center elliptic gear；The shell of upper planting arm and upper secondary planet axis
One end in stretching outside pinion case is affixed；The cam of upper planting arm and upper pinion case are affixed.
The lower secondary planetary gear train includes lower pinion case, lower sub-center elliptic gear, lower secondary planet axis and lower secondary row
Star elliptic gear.The lower pinion case is supported on main-gear box by bearing, and lower pair planet axis is hinged on lower pinion
On case；The lower sub-center elliptic gear empty set is and affixed with lower planet elliptic gear on lower planet axis；Lower pair planet is ellipse
Knucle-gear is fixed in lower secondary planet axis, and is engaged with lower sub-center elliptic gear；The shell of lower planting arm and lower secondary planet axis
The one end stretched out outside lower pinion case is affixed；The cam of lower planting arm and lower pinion case are affixed.
The lower intermediate non-circular gear and upper intermediate non-circular gear, lower intermediate elliptic gear and upper intermediate elliptic gear,
Lower planet non-circular gear is the complete phase of geometric parameter with upper planet non-circular gear, lower planet elliptic gear and upper planet elliptic gear
Same non-circular gear.
The lower sub-center elliptic gear and upper sub-center elliptic gear, lower secondary planet elliptic gear and upper secondary planet are ellipse
Knucle-gear is the identical non-circular gear of geometric parameter.
On same cross section, central axis, upper jackshaft, upper planet axis, lower jackshaft and lower planet axis axial connecting line exist
On straight line；Or the axial connecting line of central axis, upper jackshaft and lower jackshaft is point-blank, upper jackshaft and upper planet
The axial connecting line of axis and lower jackshaft are with the axial connecting line of lower planet axis on another two parallel straight lines.
On the same perspective plane parallel with cross section, the axle center of upper jackshaft, upper planet axis and upper secondary planet axis, which projects, to be connected
Point-blank, the axle center projection join line of lower jackshaft, lower planet axis and lower secondary planet axis is point-blank for line；Or it is intermediate
The axle center projection join line of axis, upper planet axis and upper secondary planet axis is broken line, the axis of lower jackshaft, lower planet axis and lower secondary planet axis
Heart projection join line is broken line.
Center non-circular gear, lower intermediate non-circular gear, upper intermediate non-circular gear, lower planet non-circular gear and the uplink
Star non-circular gear is single order elliptic gear, single order modified elliptical gear, high order elliptic gear, High-Order Deformed Elliptic Gears, one
One of rank non-circular gear, high-order non-circular gear, eccentric non-circular gear or denaturation non-circular gear.
The invention has the advantages that:
1, the present invention has the non-at the uniform velocity than drive characteristic of non-circular gear, by adjusting primary planet train, upper secondary planetary gear
System and the lower secondary gear ratio relation characteristic of planetary gear train and the shaft core position of each planet axis, so that the seedling claw of upper and lower transplanting arm
Seedling pick-up trajectory and posture are accurate, and plant position is accurate, to realize that nonirrigated farmland well formula is transplanted.
2, the present invention is in translation in seedling taking stage, seedling claw, and the posture of upper planting arm has just been completed with seedling taking when seedling taking starts
When on planting arm posture between angle be 0 °, moreover, seedling taking stage seedling claw cuspidal locus locate substantially point-blank, by
This can farthest keep the integrality of bowl-entering soil；The Tui Yangduan trajectory distance mechanism centre of gyration farther out, makes entire mechanism
Working depth increases, and improves mechanism working environment.
3, the operation is stable of the present invention, mechanization degree is high, and complete root system can be preferably kept during seedling taking, is not hurt
Seedling, highly shortened turning green the period for rice shoot, and obvious effect of increasing production is conducive to promote and apply.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the transmission principle figure of primary planet train in the present invention；
Fig. 3 is the transmission principle figure that power is transmitted to upper secondary planet elliptic gear by center non-circular gear of the invention；
Fig. 4 is the mesh schematic representation of upper sub-center elliptic gear and upper secondary planet elliptic gear in the present invention；
Fig. 5 is the resultant gear ratio curve graph of primary planet train in the present invention；
Fig. 6 is the resultant gear ratio curve graph of upper pair planetary gear train in the present invention；
Fig. 7 is the upper pair axle center of planet axis and the motion profile figure of seedling claw in the present invention；
Fig. 8 is the I magnified partial view of Fig. 7；
Fig. 9 is the working principle of the invention schematic diagram.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
As shown in Fig. 1,2,3 and 4, double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, including it is dynamic
Power drive case 1, drive sprocket axle 2, drive sprocket 3, chain 4, center sprocket wheel 5, central axis 6, primary planet train, upper secondary planetary gear
System, lower secondary planetary gear train, upper planting arm 29 and lower planting arm 14；Drive sprocket axle 2 and central axis 6 are supported on power by bearing
1 both ends of driving box；The drive sprocket 3 being fixed on drive sprocket axle 2 and the center sprocket wheel 5 being fixed on central axis 6 pass through chain
Item 4 connects；The both ends of central axis 6 are symmetrically arranged with two primary planet trains, and secondary planet is respectively set in the both ends of primary planet train
Train and lower secondary planetary gear train；Upper pair planetary gear train is equipped with upper planting arm 29；Lower pair planetary gear train is equipped with lower planting arm 14；Upper cultivation
Plant arm 29 is identical with the structure of lower planting arm 14, is all made of the mature prior art, such as 201110164729.9 patent.
Primary planet train include main-gear box 21, center non-circular gear 8, lower jackshaft 9, lower intermediate non-circular gear 10, under
Intermediate elliptic gear 13, upper jackshaft 23, upper intermediate non-circular gear 22, upper intermediate elliptic gear 24, lower planet axis 16, upper planet
Axis 28, lower planet non-circular gear 11, lower planet elliptic gear 12, upper planet non-circular gear 25 and upper planet elliptic gear 26；It is main
Gear-box 21 and central axis 6 are fixed；Non-circular gear 8 empty set in center passes through main jaw flange 7 and power on central axis 6
Driving box 1 is fixed；Lower jackshaft 9 and upper jackshaft 23 are symmetricly set on 6 two sides of central axis, and hinged with main-gear box 21；
Upper planet axis 28 and lower planet axis 16 are symmetrically hinged on 26 both ends of main-gear box；Upper intermediate non-circular gear 22 and upper intermediate oval tooth
Wheel 24 is each attached on jackshaft 23, and lower intermediate non-circular gear 10 and lower intermediate elliptic gear 13 are each attached to lower jackshaft 9
On；It is engaged respectively with lower intermediate non-circular gear 10 and upper intermediate non-circular gear 22 two sides of center non-circular gear 8；It is fixed on uplink
Upper planet non-circular gear 25 on star axis 28 is engaged with upper intermediate non-circular gear 22；Upper planet of the empty set on upper planet axis 28 is ellipse
Knucle-gear 26 is engaged with upper intermediate elliptic gear 24；The lower planet non-circular gear 11 and lower centre being fixed on lower planet axis 16 are non-
Knucle-gear 10 engages；Lower planet elliptic gear 12 of the empty set on lower planet axis 16 is engaged with lower intermediate elliptic gear 13.
Upper pair planetary gear train includes upper pinion case 30, upper secondary planet axis 20, upper sub-center elliptic gear 27 and upper secondary row
Star elliptic gear 31.Upper pinion case 30 is supported on main-gear box 21 by bearing, and upper pair planet axis 20 is hinged on secondary tooth
On roller box；Upper 27 empty set of sub-center elliptic gear is and affixed with upper planet elliptic gear 26 on upper planet axis 28；Upper pair planet
Elliptic gear 31 is fixed in secondary planet axis 20, and is engaged with upper sub-center elliptic gear 27；The shell of upper planting arm 29 with
One end that upper pair planet axis 20 is stretched out outside upper pinion case is affixed；The cam of upper planting arm and upper pinion case are affixed.
Lower pair planetary gear train includes lower pinion case 17, lower sub-center elliptic gear 15, lower secondary planet axis 19 and lower secondary row
Star elliptic gear 18.Lower pinion case 17 is supported on main-gear box 21 by bearing, and lower pair planet axis 19 is hinged on lower secondary tooth
On roller box 17；Lower 15 empty set of sub-center elliptic gear is and affixed with lower planet elliptic gear 12 on lower planet axis 16；Lower pair row
Star elliptic gear 18 is fixed in lower secondary planet axis 19, and is engaged with lower sub-center elliptic gear 15；The shell of lower planting arm 14
It is affixed that one end outside lower pinion case is stretched out with lower secondary planet axis 19；The cam of lower planting arm and lower pinion case are affixed.
Lower intermediate non-circular gear 10 and upper intermediate non-circular gear 22, lower intermediate elliptic gear 13 and upper intermediate elliptic gear
24, lower planet non-circular gear 11 and upper planet non-circular gear 25, lower planet elliptic gear 12 and upper planet elliptic gear 26 are several
What identical non-circular gear of parameter.
Lower sub-center elliptic gear 15 and upper sub-center elliptic gear 27, lower secondary planet elliptic gear 18 and upper secondary planet are ellipse
Knucle-gear 31 is the identical non-circular gear of geometric parameter.
On same cross section, central axis 6, upper jackshaft 23, upper planet axis 28, lower jackshaft 9 and lower planet axis 16 axis
Heart line is point-blank；Or the axial connecting line of central axis 6, upper jackshaft 23 and lower jackshaft 9 is point-blank, it is upper in
Between axis 23 and the axial connecting line of upper planet axis 28 and lower jackshaft 9 and the axial connecting line of lower planet axis 16 it is parallel at another two
On straight line.
On the same perspective plane parallel with cross section, the axle center of upper jackshaft 23, upper planet axis 28 and upper secondary planet axis 20
Point-blank, the axle center projection join line of lower jackshaft 9, lower planet axis 16 and lower secondary planet axis 19 is straight at one for projection join line
On line；Or the axle center projection join line of jackshaft 23, upper planet axis 28 and upper secondary planet axis 20 is broken line, lower jackshaft 9, lower planet
The axle center projection join line of axis 16 and lower secondary planet axis 19 is broken line.
Center non-circular gear 8, lower intermediate non-circular gear 10, upper intermediate non-circular gear 22, lower planet non-circular gear 11 and on
Planet non-circular gear 25 is single order elliptic gear, single order modified elliptical gear, high order elliptic gear, high-order denatured ellipse tooth
Wheel, single order non-circular gear, high-order non-circular gear, eccentric non-circular gear or denaturation one of non-circular gear.
The double-planet posture is non-circular-working principle of elliptic gear planetary gear train potted-seedling transplanting mechanism:
2 input power of drive sprocket axle, and power is transmitted to central axis 6 through drive sprocket 3, chain 4 and center sprocket wheel 5；
Central axis 6 drives two primary planet trains of two sides, and primary planet train drives upper secondary planetary gear train and lower secondary planetary gear train, upper pair
Planetary gear train drives upper planting arm 29, and lower pair planetary gear train drives lower planting arm 14, to realize upper planting arm 29 or lower plant
The seedling taking at seedling taking point as shown in Figure 9 of the seedling claw cusp of arm 14, transplants seedlings at seedling point pushing away.
As shown in figure 5, there is small wave crest and big wave crest in the resultant gear ratio curve of primary planet train；As shown in fig. 6, upper pair
There is a wave crest in the resultant gear ratio curve of planetary gear train or lower secondary planetary gear train.
Main-gear box 21 rotates one week, the seedling claw cusp of the axes movement locus 32 of upper secondary planet axis 20, upper planting arm 29
Motion profile 33 and main-gear box 21 it is every rotation 30 ° when seedling claw position it is as shown in FIG. 7 and 8；As it can be seen that seedling taking stage, seedling claw
Angle in translation, when the posture C of upper planting arm 29 and seedling taking are just completed when seedling taking starts between the posture D of upper planting arm 29
Almost 0 °, moreover, seedling taking stage seedling claw cuspidal locus is located point-blank substantially, it is possible thereby to farthest keep alms bowl
The integrality of soil.
Above-mentioned specific embodiment is used to illustrate the present invention, rather than limits the invention, of the invention
In spirit and scope of protection of the claims, to any modifications and changes that the present invention makes, protection model of the invention is both fallen within
It encloses.
Claims (6)
1. double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, including power drive case, drive sprocket axle,
Drive sprocket, chain, center sprocket wheel, central axis, primary planet train, upper secondary planetary gear train, lower secondary planetary gear train, upper planting arm and
Lower planting arm, it is characterised in that: the drive sprocket axle and central axis is supported on power drive case both ends by bearing；It is affixed
Drive sprocket on drive sprocket axle is connect with affixed center sprocket wheel on center shaft by chain；The both ends pair of central axis
Title is set there are two primary planet train, and secondary planetary gear train and lower secondary planetary gear train is respectively set in the both ends of primary planet train；Upper pair
Planetary gear train is equipped with upper planting arm；Lower pair planetary gear train is equipped with lower planting arm；The complete phase of structure of upper planting arm and lower planting arm
Together；
The primary planet train includes main-gear box, center non-circular gear, lower jackshaft, lower intermediate non-circular gear, lower centre
Elliptic gear, upper jackshaft, upper intermediate non-circular gear, upper intermediate elliptic gear, lower planet axis, upper planet axis, lower planet are non-circular
Gear, lower planet elliptic gear, upper planet non-circular gear and upper planet elliptic gear；Main-gear box is fixed with central axis；It is described
Center non-circular gear empty set on center shaft, and fixed by main jaw flange and power drive case；Lower jackshaft and upper
Jackshaft is symmetricly set on central axis two sides, and hinged with main-gear box；Upper planet axis and lower planet axial symmetry are hinged on master
Gear-box both ends；Upper intermediate non-circular gear and upper intermediate elliptic gear are each attached on jackshaft, lower intermediate non-circular gear and
Lower intermediate elliptic gear is each attached on lower jackshaft；The two sides of the center non-circular gear respectively with lower intermediate non-circular gear and
Upper intermediate non-circular gear engagement；The upper planet non-circular gear and upper intermediate non-circular gear being fixed on upper planet axis engage；Empty set
Upper planet elliptic gear and upper intermediate elliptic gear on upper planet axis engage；The lower planet being fixed on lower planet axis is non-circular
Gear and lower intermediate non-circular gear engage；Lower planet elliptic gear and lower intermediate elliptic gear of the empty set on lower planet axis are nibbled
It closes；
The upper secondary planetary gear train includes that upper pinion case, upper secondary planet axis, upper sub-center elliptic gear and upper secondary planet are ellipse
Knucle-gear；The upper pinion case is supported on main-gear box by bearing, and upper pair planet axis is hinged on pinion case；
The upper sub-center elliptic gear empty set is and affixed with upper planet elliptic gear on upper planet axis；Upper pair planet ellipse tooth
Wheel is fixed in secondary planet axis, and is engaged with upper sub-center elliptic gear；The shell of upper planting arm and upper secondary planet axis are stretched out
One end outside upper pinion case is affixed；The cam of upper planting arm and upper pinion case are affixed；
The lower secondary planetary gear train includes that lower pinion case, lower sub-center elliptic gear, lower secondary planet axis and lower secondary planet are ellipse
Knucle-gear；The lower pinion case is supported on main-gear box by bearing, and lower pair planet axis is hinged on lower pinion case；
The lower sub-center elliptic gear empty set is and affixed with lower planet elliptic gear on lower planet axis；Lower pair planet ellipse tooth
Wheel is fixed in lower secondary planet axis, and is engaged with lower sub-center elliptic gear；The shell of lower planting arm and lower secondary planet axis are stretched out
One end outside lower pinion case is affixed；The cam of lower planting arm and lower pinion case are affixed.
2. double-planet posture according to claim 1 is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, feature
It is: the lower intermediate non-circular gear and upper intermediate non-circular gear, lower intermediate elliptic gear and upper intermediate elliptic gear, downlink
Star non-circular gear is that geometric parameter is identical with upper planet non-circular gear, lower planet elliptic gear and upper planet elliptic gear
Non-circular gear.
3. double-planet posture according to claim 1 is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, feature
Be: the lower sub-center elliptic gear and upper sub-center elliptic gear, lower secondary planet elliptic gear and upper secondary planet are oval
Gear is the identical non-circular gear of geometric parameter.
4. double-planet posture according to claim 1 is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, feature
Be: on same cross section, central axis, upper jackshaft, upper planet axis, lower jackshaft and lower planet axis axial connecting line at one
On straight line；Or the axial connecting line of central axis, upper jackshaft and lower jackshaft is point-blank, upper jackshaft and upper planet axis
Axial connecting line and lower jackshaft are with the axial connecting line of lower planet axis on another two parallel straight lines.
5. double-planet posture according to claim 1 is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, feature
Be: on the same perspective plane parallel with cross section, the axle center projection join line of upper jackshaft, upper planet axis and upper secondary planet axis exists
On straight line, the axle center projection join line of lower jackshaft, lower planet axis and lower secondary planet axis is point-blank；Or jackshaft,
The axle center projection join line of upper planet axis and upper secondary planet axis is broken line, the axle center of lower jackshaft, lower planet axis and lower secondary planet axis
Projection join line is broken line.
6. double-planet posture according to claim 1 is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism, feature
It is: center non-circular gear, lower intermediate non-circular gear, upper intermediate non-circular gear, lower planet non-circular gear and the upper planet
Non-circular gear is single order elliptic gear, single order modified elliptical gear, high order elliptic gear, High-Order Deformed Elliptic Gears, single order
One of non-circular gear, high-order non-circular gear, eccentric non-circular gear or denaturation non-circular gear.
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|---|---|---|---|
| CN201610834600.7A CN106332585B (en) | 2016-09-20 | 2016-09-20 | Double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism |
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| CN201610834600.7A CN106332585B (en) | 2016-09-20 | 2016-09-20 | Double-planet posture is non-circular-elliptic gear planetary gear train potted-seedling transplanting mechanism |
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| CN106332585B true CN106332585B (en) | 2018-12-18 |
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| CN107630986B (en) * | 2017-09-26 | 2019-06-18 | 浙江理工大学 | The design method of the planetary gear train planting mechanism of Some Second Order Elliptic bevel gear driving |
| CN112833141B (en) * | 2020-08-26 | 2023-05-12 | 辽宁石油化工大学 | Elliptic planetary gear train type spring tooth roller peanut pickup device |
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| CN202889926U (en) * | 2012-09-17 | 2013-04-24 | 浙江理工大学 | Rice pot seedling transplanting mechanism of ellipse-incompletely non-circular gear planetary gear train |
| CN203435344U (en) * | 2013-09-13 | 2014-02-19 | 李精华 | Double-row seedling pulling and placing mechanism for pot seedlings |
| US9387987B2 (en) * | 2014-03-24 | 2016-07-12 | Elwha Llc | Systems and methods for sorting seedlings for planting |
| CN204721844U (en) * | 2015-03-10 | 2015-10-28 | 浙江理工大学 | A kind of non-circular gear double-planet train pot seedling transplanter structure |
| CN105706581B (en) * | 2016-03-10 | 2017-10-03 | 东北农业大学 | Cave and potted-seedling transplanting combined mechanism are pricked on swinging film |
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