CN103621227B - Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism - Google Patents
Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism Download PDFInfo
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- CN103621227B CN103621227B CN201310614082.4A CN201310614082A CN103621227B CN 103621227 B CN103621227 B CN 103621227B CN 201310614082 A CN201310614082 A CN 201310614082A CN 103621227 B CN103621227 B CN 103621227B
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Abstract
The invention discloses a free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type seedling taking mechanism. A soil clamping type seedling taking mode causes the irregularity of a non-circular gear or the increase of a 'probing type' seedling needle; melon, fruit and vegetable crops permit a clamping type seedling taking mode. A central shaft and a planet carrier are fixedly arranged; a free second-order central non-circular gear is hollowly arranged on the central shaft in a sleeved manner; a fist middle shaft, a second middle shaft, a first planet shaft and a second planet shaft are connected with the planet carrier through a bearing; the first planet shaft and the second planet shaft are fixedly arranged on a housing provided with a seedling taking paw; the free second-order central non-circular gear is meshed with a first free second-order middle non-circular gear and a second free second-order middle non-circular gear; a first middle deformation ellipse gear and a first planet deformation ellipse gear are meshed; a second middle deformation ellipse gear and a second planet deformation ellipse gear are meshed; a sharp point of the head of the seedling taking paw is in favor of forming a clamping type seedling taking track. The seedling taking track is in favor of achievement of mechanisms, and the fully automatic transplantation of melons, fruits and vegetables can be achieved.
Description
Technical field
The invention belongs to agricultural mechanical field, relate to seedling picking mechanism, be specifically related to a kind of free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism.
Background technology
Mechanization transplanting is generally divided into two steps to complete: get seedling and plant.Be divided into by transplanter semi-automatic and full-automatic by different seedling modes of getting, key point sees whether it adopts mechanization to get seedling operation.
Domestic full-automatic seedling picking mechanism has multi-bar linkage, crank slideway mechanism and partial gear indexing mechanism, and said mechanism is along with the increase of transplanting frequency, and transplanter vibration aggravation, causes seedling-damaging ratio to increase.Mechanical type gets seedling mode generally to be had seedling claw to press from both sides native formula to get seedling and folder seedling formula gets seedling two kinds of modes.The rotary seedling picking mechanism of novel planetary train has mixing high-order modification Planetary elliptic gears pot seedling transplanter seedling-distributing mechanism, high speed potted-seedling transplanting mechanism of free second order noncircular planetary gear system and rotary rice seedling transplanter structure, they are got seedling mode and get seedling for pressing from both sides native formula, namely seedling pin is needed to enter pot seedling disk inner clip seedling taking seedling, and alms bowl dish can not be destroyed and hinder root, therefore track needs a sharp-pointed projection, alms bowl dish is entered to leaving alms bowl body completely from seedling pin, seedling pin needs one section close to the movement locus of straight line, due to this restriction, cause non-circular gear scrambling strengthen or increase " leaning out formula " seedling pin, mechanism's mechanical property is deteriorated, service life reduction, rotary rice seedling transplanter structure realizes 8-shaped working trajectory, and consideration nonirrigated farmland seedling picking mechanism coordinates with planting mechanism, and 8-shaped track is improper.Transplant for substrate seedling, matrix is comparatively light, and the stem stalk part of part melon and fruit, vegetable crop is enough tough and tensile, allows the mode operation adopting folder seedling.Therefore, be necessary for the crop such as melon and fruit, vegetables, design that a kind of efficiency is higher, transmission seedling picking mechanism more stably, make it coordinate with planting mechanism, realize the full-automatic transplantation of the crop such as melon and fruit, vegetables.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, a kind of free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism is provided, this seedling picking mechanism adopts folder seedling formula to get seedling mode, make to get seedling track and be more conducive to mechanism's realization, and can coordinate with planting mechanism, realize the full-automatic transplantation of the crop such as melon and fruit, vegetables.
The present invention includes non-circular gear in the middle of central shaft, planet carrier, free second-order central non-circular gear, the first jackshaft, the first free second order, the first intermediate deformation elliptic gear, first planet axle, first planet deformed elliptic gear, the second jackshaft, the second free second order middle non-circular gear, the second intermediate deformation elliptic gear, the second planet axis, the second planet deformed elliptic gear and seedling claw.One end of described central shaft is connected with power set, and the other end and planet carrier are fixed; Described free second-order central non-circular gear empty set on center shaft, and is fixed with frame.The first described jackshaft and the second jackshaft are symmetricly set on central shaft both sides, and are all connected with planet carrier bearing; In the middle of first free second order, non-circular gear and the first intermediate deformation elliptic gear are all fixed on the first jackshaft, and in the middle of the second free second order, non-circular gear and the second intermediate deformation elliptic gear are all fixed on the second jackshaft.Described first planet axle and the second planet axis are symmetricly set on central shaft both sides, and are all connected with planet carrier bearing; One end of first planet axle and the second planet axis is all stretched out planet carrier housing that is outer and a seedling claw and is fixed; First planet deformed elliptic gear is fixed on first planet axle, and the second planet deformed elliptic gear is fixed in the second planet axis.The described free second-order central non-circular gear simultaneously middle non-circular gear of second order free with first and the middle non-circular gear of the second free second order engages; First intermediate deformation elliptic gear engages with first planet deformed elliptic gear, and the second intermediate deformation elliptic gear engages with the second planet deformed elliptic gear.
Described planet carrier rotates, and the head cusp of seedling claw forms folder seedling formula and gets seedling track; It is to close and without the plane smooth curve of latch closure that described folder seedling formula gets seedling track, and what comprise that order head and the tail successively connect enters alms bowl section, gets seedling section, fortune seedling section, throw seedling section and reply section; The top entering alms bowl section is connected with the bottom of getting seedling section, and bottom is connected with the top of replying section; Described enter alms bowl section for be parallel to cave dish upper surface straightway, the bottom of getting seedling section is segmental arc, top be perpendicular to cave dish upper surface straightway; The linearity of the linear top segments enter alms bowl section, getting seedling section is 1mm/20mm ~ 1mm/10mm, and the linear top segment length of getting seedling section is greater than the height of cave dish.
Described seedling claw comprises housing, cam, shift fork, seedling-pushing rod, pushes away seedling spring, block of bulldozing, push away seedling block, folder seedling block and spring leaf; First planet axle and the second planet axis distinguish empty set cam, and two cams are all fixed with planet carrier; Described shift fork is arranged in housing by bearing pin, and one end is connected by cam pair with cam, and the other end is connected by cam pair with seedling-pushing rod; Described seedling-pushing rod and inner walls are slidably connected, and afterbody is connected with housing afterbody by pushing away seedling spring; Described soil-shifting block, push away seedling block and folder seedling block is all fixed on seedling-pushing rod head, and arrange successively to caudal directions along the head of seedling-pushing rod, folder seedling block offers U-lag; Two panels spring leaf spacing is arranged on soil-shifting block top, and one end is all fixed on the both sides, top of housing, and the other end all stretches in the U-lag of folder seedling block, and is separately positioned on the both sides pushing away seedling block.
In the middle of described first free second order, the pitch curve parameter of non-circular gear and the middle non-circular gear of the second free second order is completely the same; The pitch curve parameter of the first described intermediate deformation elliptic gear and the second intermediate deformation elliptic gear, first planet deformed elliptic gear and the second planet deformed elliptic gear is completely the same.
Beneficial effect of the present invention:
1, form folder seedling formula by variable speed transmission and get seedling track, this track meets that pot seedling transplanter is put down into alms bowl, the transplanting agriculture requirement of the seedling that directly lifts seedlings, surely throws; Adopt free second order non-circular gear drive, making the secondary swing characteristic of seedling claw more flexible, creating conditions for realizing better seedling track of getting; Can coordinate with planting mechanism, realize the full-automatic transplantation of the crop such as melon and fruit, vegetables.
2, adopt folder seedling formula to get seedling mode, make to get seedling track and be more conducive to mechanism's realization, gear systematicness strengthens, and mechanism's mechanical property of design is better, and device longevity is higher.
3, mechanism structure is compact; Seedling claw structure is simple, dependable performance.
4, adopt that planet circular system is rotary gets seedling mode, transplanter operation under any rotating speed can be adapted to.
Accompanying drawing explanation
Fig. 1 is initial makeup location of the present invention and fundamental diagram;
Fig. 2 is structural scheme of mechanism of the present invention;
Fig. 3 is the overall structure cutaway view of seedling claw in the present invention;
Fig. 4 of the present inventionly gets seedling track schematic diagram;
When Fig. 5 is initial makeup location of the present invention, opening of spring leaf closes view;
Fig. 6 be the present invention when pressing from both sides seedling position spring leaf close view;
Fig. 7 be the present invention when pushing away seedling position spring leaf close view.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As illustrated in fig. 1 and 2, free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism comprises non-circular gear 5, first intermediate deformation elliptic gear 6, first planet axle 7, middle non-circular gear 10, second intermediate deformation elliptic gear 11, second planet axis 12, the second planet deformed elliptic gear 13 of the free second order of first planet deformed elliptic gear 8, second jackshaft 9, second and seedling claw 14 in the middle of central shaft 1, planet carrier 2, the free second order of free second-order central non-circular gear 3, first jackshaft 4, first.One end of central shaft 1 is connected with power set, and the other end and planet carrier 2 are fixed; Free second-order central non-circular gear 3 empty set on central shaft 1, and is fixed with frame.First jackshaft 4 and the second jackshaft 9 are symmetricly set on central shaft 1 both sides, and are all connected with planet carrier 2 bearing; In the middle of first free second order, non-circular gear 5 and the first intermediate deformation elliptic gear 6 are all fixed on the first jackshaft 4, and in the middle of the second free second order, non-circular gear 10 and the second intermediate deformation elliptic gear 11 are all fixed on the second jackshaft 9.First planet axle 7 and the second planet axis 12 are symmetricly set on central shaft 1 both sides, and are all connected with planet carrier 2 bearing; One end of first planet axle 7 and the second planet axis 12 is all stretched out planet carrier housing 14-1 that is outer and a seedling claw and is fixed; First planet deformed elliptic gear 8 is fixed on first planet axle 7, and the second planet deformed elliptic gear 13 is fixed in the second planet axis 12.The free second-order central non-circular gear 3 simultaneously middle non-circular gear of second order free with first 5 and the middle non-circular gear 10 of the second free second order engages; First intermediate deformation elliptic gear 6 engages with first planet deformed elliptic gear 8, and the second intermediate deformation elliptic gear 11 engages with the second planet deformed elliptic gear 13.
As shown in Figure 3, seedling claw 14 comprises housing 14-1, cam 14-2, shift fork 14-3, seedling-pushing rod 14-4, pushes away seedling spring 14-5, soil-shifting block 14-6, pushes away seedling block 14-7, folder seedling block 14-8 and spring leaf 14-9; First planet axle 7 and the second planet axis 12 distinguish empty set cam 14-2, and two cam 14-2 all fix with planet carrier 2; Shift fork 14-3 is arranged in housing 14-1 by bearing pin, and one end is connected by cam pair with cam 14-2, and the other end is connected by cam pair with seedling-pushing rod 14-4; Seedling-pushing rod 14-4 and housing 14-1 inwall are slidably connected, and afterbody is connected with housing 14-1 afterbody by pushing away seedling spring 14-5; Soil-shifting block 14-6, push away seedling block 14-7 and folder seedling block 14-8 is all fixed on seedling-pushing rod 14-4 head, and arrange successively to caudal directions along the head of seedling-pushing rod 14-4, folder seedling block 14-8 offers U-lag; Two panels spring leaf 14-6 spacing is arranged on soil-shifting block 14-6 top, and one end is all fixed on the both sides, top of housing 14-1, and the other end all stretches in the U-lag of folder seedling block 14-8, and is separately positioned on the both sides pushing away seedling block 14-7.
As shown in Figure 1, in the middle of the first free second order, the pitch curve parameter of non-circular gear 5 and the middle non-circular gear 10 of the second free second order is completely the same; The pitch curve parameter of the first intermediate deformation elliptic gear 6 and the second intermediate deformation elliptic gear 11, first planet deformed elliptic gear 8 and the second planet deformed elliptic gear 13 is completely the same.
As shown in figs. 1 and 4, planet carrier 2 rotates, and the head cusp of seedling claw 14 forms folder seedling formula and gets seedling track 15; It is to close and without the plane smooth curve of latch closure that folder seedling formula gets seedling track 15, and what comprise that order head and the tail successively connect enters alms bowl section 15-1, gets seedling section 15-2, fortune seedling section 15-3, throws seedling section 15-4 and reply section 15-5; The top entering alms bowl section 15-1 is connected with the bottom of getting seedling section 15-2, and bottom is connected with the top of replying section 15-5; Entering alms bowl section 15-1 is the straightway being parallel to cave dish upper surface, and the bottom of getting seedling section 15-2 is segmental arc, and top is the straightway perpendicular to cave dish upper surface; The linearity of the linear top segments enter alms bowl section 15-1, getting seedling section 15-2 is 1mm/14mm, and the linear top segment length of getting seedling section is 80mm.Entering alms bowl section 15-1 is straightway, ensures to get Miao Shiyan native alms bowl direction clamping seedling at ordinary times; The linear top segments getting seedling section 15-2 ensures to take out seedling along vertical native alms bowl direction; Throw seedling section 15-4 and ensure that seedling and planting mechanism only exist relative velocity vertically, be beneficial to and accurately throw seedling; Visible, this folder seedling formula is got seedling track 15 and can be met in potted-seedling transplanting and get putting down into alms bowl, directly getting seedling and steady requirement of throwing seedling of seedling.
The operation principle of this free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism is as follows:
As illustrated in fig. 1 and 2, power passes to planet carrier 2 via central shaft 1, drives planet carrier 2 to rotate.The middle non-circular gear 5 of first free second order engages with free second-order central non-circular gear 3, the first intermediate deformation elliptic gear 6 engages with first planet deformed elliptic gear 8, drives first planet axle 7 to rotate; The middle non-circular gear 10 of second free second order engages with free second-order central non-circular gear 3, the second intermediate deformation elliptic gear 11 engages with the second planet deformed elliptic gear 13, drives the second planet axis 12 to rotate.First planet axle 7 and the second planet axis 12 drive housing 14-1 opposing rows carrier 2 cycle of the seedling claw fixing with it to rotate respectively.
As Fig. 1,3,5, shown in 6 and 7, housing 14-1 opposing rows carrier 2 cycle of seedling claw rotates, and the shift fork 14-3 opposing cam 14-2 cycle is rotated.The alms bowl section 15-1 top that enters that folder seedling formula gets seedling track is folder seedling position, and when seedling claw 14 moves to folder seedling position, shift fork 14-3 swings around the lift section of cam 14-2, drives seedling-pushing rod 14-4 compression to push away seedling spring 14-5, and slides to housing 14-1 afterbody.The motion of seedling-pushing rod 14-4 makes folder seedling block 14-8 from outside extruding two panels spring leaf 14-9, and two panels spring leaf 14-9 is out of shape clamping pot seedling; When seedling claw 14 move to get seedling section 15-2 time, shift fork 14-3 moves around the arc section of cam 14-2, thus the relative seedling claw 14 of shift fork 14-3 is without swing, two panels spring leaf 14-9 keeps clamped condition, and moves to throwing seedling section 15-4 with seedling claw 14 along getting seedling section 15-2 and transporting seedling section 15-3; When moving to throwing seedling section 15-4, shift fork 14-3 is under the effect pushing away seedling spring 14-5, reverse-running section around cam 14-2 swings fast, seedling-pushing rod 14-4 is driven to slide to housing 14-1 head, make to push away seedling block 14-7 to be pushed open inside two panels spring leaf 14-9, soil-shifting block 14-6 acts on substrate pot body simultaneously, is sent into by seedling in seedling-planting device, completes throwing seedling; When moving to reply section 15-5, shift fork 14-3 moves around the arc section of cam 14-2, the relative seedling claw 14 of shift fork 14-3 is without swing, two panels spring leaf 14-9 keeps open configuration, and get seedling track 15 with seedling claw 14 along folder seedling formula and move to folder seedling position, prepare to get seedling next time, thus complete the folder seedling of potted-seedling transplanting smoothly, send seedling and put seedling action, the mechanization realizing potted-seedling transplanting is got seedling, is thrown seedling.
This free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism is in a working cycles, and seedling claw 14 2 not constant amplitude swings, form folder seedling formula and get seedling track 15.Seedling claw 14 is got in seedling track 15 motion process along folder seedling formula, from the parallel upper surface near native alms bowl of the inferoanterior of pot seedling, be convenient to clamp the minimum stem stalk position of seedling, folder seedling formula gets seedling track 15 subsequently one section of near linear section, and perpendicular to native alms bowl, meet and vertically take pot seedling requirement out of.This free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism can realize putting down into alms bowl, directly lift seedlings, surely throw seedling get seedling job requirement.
Claims (3)
1. free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism, comprise non-circular gear in the middle of central shaft, planet carrier, free second-order central non-circular gear, the first jackshaft, the first free second order, the first intermediate deformation elliptic gear, first planet axle, first planet deformed elliptic gear, the second jackshaft, the second free second order middle non-circular gear, the second intermediate deformation elliptic gear, the second planet axis, the second planet deformed elliptic gear and seedling claw, it is characterized in that:
One end of described central shaft is connected with power set, and the other end and planet carrier are fixed; Described free second-order central non-circular gear empty set on center shaft, and is fixed with frame; The first described jackshaft and the second jackshaft are symmetricly set on central shaft both sides, and are all connected with planet carrier bearing; In the middle of first free second order, non-circular gear and the first intermediate deformation elliptic gear are all fixed on the first jackshaft, and in the middle of the second free second order, non-circular gear and the second intermediate deformation elliptic gear are all fixed on the second jackshaft; Described first planet axle and the second planet axis are symmetricly set on central shaft both sides, and are all connected with planet carrier bearing; One end of first planet axle and the second planet axis is all stretched out planet carrier housing that is outer and a seedling claw and is fixed; First planet deformed elliptic gear is fixed on first planet axle, and the second planet deformed elliptic gear is fixed in the second planet axis; The described free second-order central non-circular gear simultaneously middle non-circular gear of second order free with first and the middle non-circular gear of the second free second order engages; First intermediate deformation elliptic gear engages with first planet deformed elliptic gear, and the second intermediate deformation elliptic gear engages with the second planet deformed elliptic gear;
Described planet carrier rotates, and the head cusp of seedling claw forms folder seedling formula and gets seedling track; It is to close and without the plane smooth curve of latch closure that described folder seedling formula gets seedling track, and what comprise that order head and the tail successively connect enters alms bowl section, gets seedling section, fortune seedling section, throw seedling section and reply section; The top entering alms bowl section is connected with the bottom of getting seedling section, and bottom is connected with the top of replying section; Described enter alms bowl section for be parallel to cave dish upper surface straightway, the bottom of getting seedling section is segmental arc, top be perpendicular to cave dish upper surface straightway; The linearity of the linear top segments enter alms bowl section, getting seedling section is 1mm/20mm ~ 1mm/10mm, and the linear top segment length of getting seedling section is greater than the height of cave dish.
2. free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism according to claim 1, is characterized in that: described seedling claw comprises housing, cam, shift fork, seedling-pushing rod, pushes away seedling spring, block of bulldozing, push away seedling block, folder seedling block and spring leaf; First planet axle and the second planet axis distinguish empty set cam, and two cams are all fixed with planet carrier; Described shift fork is arranged in housing by bearing pin, and one end is connected by cam pair with cam, and the other end is connected by cam pair with seedling-pushing rod; Described seedling-pushing rod and inner walls are slidably connected, and afterbody is connected with housing afterbody by pushing away seedling spring; Described soil-shifting block, push away seedling block and folder seedling block is all fixed on seedling-pushing rod head, and arrange successively to caudal directions along the head of seedling-pushing rod, folder seedling block offers U-lag; Two panels spring leaf spacing is arranged on soil-shifting block top, and one end is all fixed on the both sides, top of housing, and the other end all stretches in the U-lag of folder seedling block, and is separately positioned on the both sides pushing away seedling block.
3. free second order non-circular gear-deformation ellipse gear potted-seedling transplanting folder seedling formula seedling picking mechanism according to claim 1, is characterized in that: in the middle of the described first free second order, the pitch curve parameter of non-circular gear and the middle non-circular gear of the second free second order is completely the same; The pitch curve parameter of the first described intermediate deformation elliptic gear and the second intermediate deformation elliptic gear, first planet deformed elliptic gear and the second planet deformed elliptic gear is completely the same.
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| CN201310614082.4A CN103621227B (en) | 2013-11-27 | 2013-11-27 | Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism |
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| CN201310614082.4A CN103621227B (en) | 2013-11-27 | 2013-11-27 | Free second-order non-circular gear-deformation ellipse gear pot seedling transplantation and clamping type taking mechanism |
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| CN103621227A CN103621227A (en) | 2014-03-12 |
| CN103621227B true CN103621227B (en) | 2015-05-20 |
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| CN103947345B (en) * | 2014-03-19 | 2015-09-23 | 浙江理工大学 | A kind of tooth bar-not exclusively not rounded-Planetary elliptic gears vegetables seedling picking mechanism |
| CN103907435B (en) * | 2014-04-21 | 2015-11-18 | 浙江理工大学 | A kind of secondary sinusoidal non-circular gear planetary system duck-beak type planting mechanism of high upright degree |
| CN104657546B (en) * | 2015-02-02 | 2017-06-27 | 浙江理工大学 | The bar drive mechanism of two-stage non-circular gear five forms the method for designing that flowers transplant track |
| 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 |
| CN109826927B (en) * | 2019-04-04 | 2020-07-14 | 浙江理工大学 | Design method of secondary unequal-amplitude non-circular gear transmission planetary gear train seedling taking mechanism |
| CN114027006B (en) * | 2021-11-22 | 2023-05-16 | 华南农业大学 | Bowl Miao Zidong flat transplanting device |
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| JPH07155027A (en) * | 1993-12-10 | 1995-06-20 | Yanmar Agricult Equip Co Ltd | Gear mechanism for speed control of traverse feed of seedling carrier |
| CN102792814B (en) * | 2012-09-05 | 2014-07-16 | 浙江理工大学 | High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system |
| CN203105097U (en) * | 2012-12-21 | 2013-08-07 | 浙江理工大学 | Non-bevel gear wheel pot seedling wide and narrow row spacing transplanting mechanism |
| CN203597063U (en) * | 2013-11-27 | 2014-05-21 | 浙江理工大学 | Free second-order non-circular gear-deformation elliptical gear pot seedling clamp type seedling fetching mechanism |
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