CN203378251U - Rotary rice pot seedling transplanting mechanism - Google Patents
Rotary rice pot seedling transplanting mechanism Download PDFInfo
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- CN203378251U CN203378251U CN201320449763.5U CN201320449763U CN203378251U CN 203378251 U CN203378251 U CN 203378251U CN 201320449763 U CN201320449763 U CN 201320449763U CN 203378251 U CN203378251 U CN 203378251U
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 41
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- 241000209094 Oryza Species 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
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- 238000007493 shaping process Methods 0.000 description 2
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Abstract
The utility model discloses a rotary rice pot seedling transplanting mechanism. The rotary rice pot seedling transplanting mechanism is characterized in that power is transmitted to a central shaft, central gears inside two gear cases are emptily sleeved at two ends of the central shaft and are fixed on a transmission box through a jaw flange; the central gears on two sides are respectively meshed with respective middle gears symmetrically fixed on respective middle shafts; the respective gears are meshed with respective planetary gears symmetrically fixed on respective planetary shafts; one end, extending out of the left gear case, of the respective planetary shaft, is fixedly provided with a transplanting arm; the gears inside the gear cases are Bessel gears for obtaining gear pitch curves by using a Bessel fitted curve to fit data point; when the transplanting mechanism works, because of non-uniform transmission of a planetary gear train of the Bessel gears inside the gear boxes, components of the transplanting arm form a track and a posture meeting the transplanting of the rice pot seedlings. The rice pot seedling transplanting mechanism is designed by using the planetary gear trains of the Bessel gears, is compact in structure, slight in vibration and stable in transmission, and can be used for realizing high-speed rice pot seedling transplanting.
Description
Technical field
The utility model relates to agricultural machinery, relates in particular to a kind of rotary paddy rice pot seedling transplanter structure.
Background technology
It is that the shoot transplanting equipment with nutrient soil pot will cultivated arrives large Tanaka's process that accurate rice pot seedling is transplanted.The accurate rice pot seedling transplanting is not hindered seedling, is tillered early, potted-seedling transplanting is arrived to the higher earth's surface of land for growing field crops soil temperature, comparable common square position rice transplanting is tillered ahead of time in 5～7 days, low joint position effective tiller increases by 20%, economize kind 30%, economize on water 80%, joint fertile 40%, on average increasing production more than 5%, is the best yield increase except breed improvement of generally acknowledging at present.
The rice seedling transplanter structure is on rice seedling transplanter, to realize taking out pot seedling and implanting Tanaka's core work parts from mould dish hole, cave.At present, the transplanting mechanism of some scientific research institutions and business research mostly is plane link mechanism, along with the increase of transplanting efficiency, and transplanting mechanism vibrations aggravation, effect, the phenomenon that even produces miss in seedling setting, floats seedling are transplanted in impact.Common non-circular gear mostly is elliptic gear or eccentric gear, and the pitch curve of these non-circular gears has been subject to the restriction of curvilinear equation, gearratio is changed and be restricted, and is difficult to the requirement that realizes that accurate rice pot seedling is transplanted.
Summary of the invention
The purpose of this utility model is to provide a kind of rotary paddy rice pot seedling transplanter structure, non-circular gear in epicyclic train adopts the Bezier gear, the pitch curve of gear is controlled by data point, the gear variable element is many, the gearratio excursion is wide, by optimizing the structural parameters of Bezier gear and transplanting mechanism, can design the rotary transplanting mechanism that meets accurate rice pot seedling transplanting requirement.
In order to achieve the above object, the technical solution adopted in the utility model is:
Power is inputted by power shaft, power shaft and the first drive bevel gear are affixed, the first drive bevel gear and the engagement of the second drive bevel gear are rotated, power is passed to an end of the power transmission shaft affixed with the second drive bevel gear, the other end of power transmission shaft and the 3rd drive bevel gear are affixed, the 4th drive bevel gear and central shaft are affixed, and the 3rd drive bevel gear and the engagement of the 4th drive bevel gear are rotated, and power is passed on central shaft; The two axial ends that central shaft the stretches out transmission case left and right gear-box identical with structure respectively is affixed, drive left and right gear-box and rotate, the axle head that upper left, upper right, lower-left, bottom right planet shaft extension go out left and right gear-box respectively with upper left, upper right, lower-left, that arm member is transplanted in bottom right is affixed.
LC gear empty set in the left gear case is at an end of central shaft, fixing by left jaw flange and transmission case left side, the LC gear is fixed on upper left with symmetry respectively, upper left on the jackshaft of lower-left, the lower-left idler gear is meshed, upper left, lower-left idler gear and symmetry are fixed on upper left, upper left on the planet axis of lower-left, lower-left planetary gear engagement, upper left, lower-left planet shaft extension goes out the outer end of left gear case and is fixed with upper left, the lower-left transplant arm, gear in described left gear case is the Bezier gear that adopts Bezier matched curve matching data point to obtain the gear pitch curve, during transplanting mechanism work, due to the variable speed transmission of Bezier gear epicyclic train in gear-box, make upper left, lower-left transplant arm member and form track and the attitude that meets the accurate rice pot seedling transplanting.
Described LC gear and upper left, lower-left planetary gear are the identical Bezier gear of gear parameter; Upper left, lower-left idler gear are the identical Bezier gear of gear parameter; The pitch curve of upper left, lower-left idler gear and LC gear and upper left, the planetary pitch curve in lower-left are mutually conjugate pitch curves.
LC gear and upper left, lower-left idler gear center of rotation line and upper left, lower-left idler gear and upper left, lower-left planetary gear center of rotation line in described left gear case have an angle.
The transmission of described Bezier gear epicyclic train variable speed, in upper left, lower-left transplants the arm member cusp and form and meet accurate rice pot seedling and transplant " 8 word " with the latch closure type track required.
The beneficial effect the utlity model has is:
Non-circular gear in left and right gear-box is the Bezier gear, has broken through the restriction of non-circular gear pitch curve equation, and the customized parameter of gear is many, and the gearratio excursion is wide, can obtain to meet by Optimal Parameters to transplant " 8 word " the type track required.The free second order noncircular planetary gear that application number is 201210325098 is high speed potted-seedling transplanting mechanism, adopts the free curve of order 2 to obtain the transmission ratio curve of non-circular gear, then calculates the pitch curve of non-circular gear.Shape that can not the intuitive judgment pitch curve than Curve Design non-circular gear pitch curve by non-circular gear drive, may cause the phenomenon of pitch curve distortion.Adopt a plurality of data point matching Bezier gear pitch curves, the shape that can observe intuitively pitch curve.When Optimal Parameters, which data point can be easy to judge needs to adjust and needs the direction of adjusting.The utility model adopts 14 data point matching Bezier gear pitch curves, the Bezier that the pitch curve obtained is 13 rank, and pitch curve is more smooth, is beneficial to the moulding of later stage Bezier gear-profile.Adopt Bezier gear epicyclic train design rice seedling transplanter structure, can accomplish compact conformation, vibrate littlely, stable drive, realize the high-speed rice potted-seedling transplanting.
The accompanying drawing explanation
Fig. 1 is structural scheme of mechanism of the present utility model.
Fig. 2 is transplanting arm member interior schematic diagram of the present utility model.
Fig. 3 is Bezier gear pitch curve shaping schematic view of the present utility model.
Fig. 4 is Bezier gear epicyclic train layout drawing of the present utility model.
Fig. 5 is Bezier gear epicyclic train initial position of the present utility model and " 8 word " type trajectory diagram.
Fig. 6 is camsurface appearance figure of the present utility model.
Fig. 7 is initial position spring leaf schematic diagram of the present utility model.
Fig. 8 is folder seedling position spring sheet schematic diagram of the present utility model.
Fig. 9 is the seedling position spring sheet schematic diagram that pushes away of the present utility model.
In figure: 1. power shaft, 2. the first drive bevel gear, 3. the second drive bevel gear, 4. power transmission shaft, 5. transmission case, 6. upper left planetary gear, 6 ＇. the upper right planetary gear, 7. upper left transplant arm parts, 7 ＇. upper right transplant arm parts, 8. upper left planet axis, 8 ＇. the upper right planet axis, 9. the upper left idler gear 1, 9 ＇. the upper right idler gear, 10. upper left jackshaft, 10 ＇. the upper right jackshaft, 11. LC gear, 11 ＇. right heart gear, 12. left flange, 12 ＇. right flange, 13. left gear case, 13 ＇. the right gear case, 14. lower-left idler gear, 14 ＇. the bottom right idler gear, 15. lower-left jackshaft, 15 ＇. the bottom right jackshaft, 16. arm member is transplanted in lower-left, 16 ＇. arm member is transplanted in bottom right, 17. lower-left planet axis, 17 ＇. the bottom right planet axis, 18. lower-left planetary gear, 18 ＇. the bottom right planetary gear, 19. the 3rd drive bevel gear, 20. the 4th drive bevel gear, 21. central shaft, 22. rubber, 23. soil-shifting U piece, 24. push away seedling U piece, 25. spring leaf, 26. folder seedling U piece, 27. transplanting rod, 28. spring base, 29. push away the seedling spring, 30. transplanting arm housing, 31. cam, 32. shift fork, 33. rice shoot, " 34. 8 word " type track, 35. transplanting mechanism, a. the highest maintenance section, b. reverse-running section, c. be lowest segment, d. be the first lift section, e. be interlude, f. the second lift section.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 and Figure 2, power is by power shaft 1 input, power shaft 1 and the first drive bevel gear 2 are affixed, the first drive bevel gear 2 and the second drive bevel gear 3 engagements are rotated, power is passed to an end of the power transmission shaft 4 affixed with the second drive bevel gear 3, the other end of power transmission shaft 4 and the 3rd drive bevel gear 19 are affixed, and the 4th drive bevel gear 20 is affixed with central shaft 21, the 3rd drive bevel gear 19 and the engagement of the 4th drive bevel gear (20) are rotated, and power is passed on central shaft 21; The two axial ends that central shaft 21 stretches out transmission case 5 left and right gear-box 13,13 ＇s identical with structure respectively is affixed, drive left and right gear-box 13,13 ＇ and rotate, the axle head that upper left, upper right, lower-left, bottom right planet axis 8,8 ＇, 17,17 ＇ stretch out left and right gear-box 13,13 ＇ respectively with upper left, upper right, lower-left, that arm member 7,7 ＇, 16,16 ＇ are transplanted in bottom right is affixed.
Right heart gear 11 ＇ empty sets in right gear case 13 ＇ are at an end of central shaft 21, by right jaw flange 12 ＇ and transmission case 5 right sides, fix, right heart gear 11 ＇ are fixed on upper right with symmetry respectively, bottom right jackshaft 10 ＇, upper right on 15 ＇, bottom right idler gear 9 ＇, 14 ＇ are meshed, upper right, bottom right idler gear 9 ＇, 14 ＇ and symmetry are fixed on upper right, bottom right planet axis 8 ＇, upper right on 17 ＇, bottom right planetary gear 6 ＇, 18 ＇ engagements, upper right, bottom right planet axis 8 ＇, 17 ＇ stretch out the outer end of right gear case 13 ＇ and are fixed with upper right, bottom right transplant arm 7 ＇, 16 ＇, gear in described right gear case 13 ＇ is the Bezier gear that adopts Bezier matched curve matching data point to obtain the gear pitch curve, during transplanting mechanism work, due to the variable speed transmission of Bezier gear epicyclic train in gear-box 13 ＇, make upper right, bottom right transplant arm member 7 ＇, 16 ＇ and form track and the attitude that meets the accurate rice pot seedling transplanting, thereby realize the accurate rice pot seedling transplanting.
Described LC gear 11 is the identical Bezier gear of gear parameter with upper left, lower-left planetary gear 6,18; Upper left, lower-left idler gear 9,14 are the identical Bezier gear of gear parameter; The pitch curve of the pitch curve of upper left, lower-left idler gear 9,14 and LC gear 11 and upper left, lower-left planetary gear 6,18 is mutually conjugate pitch curves.
As shown in Figure 4, LC gear 11 in described left gear case 13 has an angle with upper left, lower-left idler gear 9,14 center of rotation lines and upper left, lower-left idler gear 9,14 and upper left, lower-left planetary gear 6,18 center of rotation lines, is generally 0 ~ 70 degree.
The transmission of described Bezier gear epicyclic train variable speed, in upper left, lower-left transplants arm member 7,16 cusps and form and meet accurate rice pot seedling and transplant " 8 word " with the latch closure type track 34 required.
Fig. 3 is Bezier gear pitch curve shaping schematic view of the present utility model.In figure, be the variable data point of Bezier gear, its neutralization is by Bezier gear pitch curve, shape, derivative and the order of other each offset point control pitch curves, the Bezier that resulting pitch curve is 13 rank.When optimizing, the shape that can observe intuitively pitch curve, the direction that easily which data point judgement should be adjusted and should adjust.
Fig. 4 is the arrangement of gears figure of Bezier gear epicyclic train variable speed of the present utility model transmission.Left and right central gear 11,11 ＇ and left and right planetary gear 6,6 ＇, 18,18 ＇ are the identical Bezier gear of gear parameter, and left and right idler gear 9,9 ＇ 14,14 ＇ are the Bezier gears with its conjugation.Left and right central gear 11,11 ＇ and left and right idler gear 9,9 ＇, 14,14 ＇ center of rotation lines and left and right idler gear 9,9 ＇, 14,14 ＇ and left and right planetary gear 6,6 ＇, the angle between 18,18 ＇ center of rotation lines.
Fig. 5 is Bezier gear epicyclic train initial position of the present utility model and " 8 word " type trajectory diagram.Bezier gear epicyclic train clockwise rotates, and at the cusp of left and right transplanting arm member 7,7 ＇, 16,16 ＇, forms " 8 word " the type track with latch closure.Latch closure in the seedling taking position can guarantee that spring leaf 25 clamps pot seedling stem stalk, and smoothly pot seedling is extracted from the alms bowl dish, should can meet each target that accurate rice pot seedling is transplanted by " 8 word " type track.
Fig. 6 is camsurface appearance figure of the present utility model.Wherein a section is the highest section, and the b section is reverse-running section, and the c section is lowest segment, and the d section is the first lift section, and the e section is interlude, and the f section is the second lift section.Cam 31 has two lifts and a backhaul, guarantees actions such as completing seedling taking, seedling sending, plant and reset when transplanting operation.
Fig. 7, Fig. 8 and Fig. 9 be respectively of the present utility model initial, press from both sides seedling and push away seedling position spring sheet schematic diagram.At initial position, two spring leafs keep open configuration.While running to folder seedling position, two spring leafs 25 clamp, and rubber 22 parts of two spring leaf 25 front ends clamp pot seedling stem stalk.From the folder seedling to pushing away the seedling position, spring leaf 25 keeps clamping, and rice shoot is transported to and pushes away the seedling position.Pushing away the seedling position, two spring leafs 25 open, and the soil-shifting U piece 23 that is fixed on the transplanting rod front end pushes rice shoot 33 in soil, completes the action of planting.
Operation principle of the present utility model is:
Transplanting mechanism power is rotated through the first drive bevel gear 2 and the second drive bevel gear 3 engagements by the power shaft 1 in transplanter transmission case 5, by transmission of power to power transmission shaft 4, rotate with affixed the 3rd drive bevel gear 19 of power transmission shaft 4 with affixed the 4th drive bevel gear 20 engagements of central shaft 21, drive central shaft 21 and rotate.Central shaft 21 drives left, right gear case 13, 13 ＇ rotate, left, right gear case 13, in 13 ＇ empty set on central shaft 21 with the fixing left side of transmission case 5, right heart gear 11, 11 ＇ be fixed on a left side, right countershaft 10, 10 ＇, 15, a left side on 15 ＇, right idler gear 9, 9 ＇, 14, 14 ＇ engagements, left, right idler gear 9, 9 ＇, 14, 14 ＇ respectively be fixed on a left side, right planet axis 8, 8 ＇, 17, a left side on 17 ＇, right lateral star gear 6, 6 ＇, 18, 18 ＇ are meshed, it is left, right heart gear 11, 11 ＇ and a left side, right lateral star gear 6, 6 ＇, 18, 18 ＇ are the identical Bezier gears of gear parameter, left, right idler gear 9, 9 ＇, 14, 14 ＇ are the Bezier gears with its conjugation., there are an angle in left and right central gear 11,11 ＇ and left and right idler gear 9,9 ＇, 14,14 ＇ center of rotation lines and left and right idler gear 9,9 ＇, 14,14 ＇ and left and right planetary gear 6,6 ＇, 18,18 ＇ center of rotation lines not point-blank.When left and right planetary gear 6,6 ＇, 18,18 ＇ rotate relative to gear-box 13,13 ＇ with left and right planet axis 8,8 ＇, 17,17 ＇, drive left and right transplant arm parts 7,7 ＇, 16,16 ＇ rotations.Left and right transplant arm parts 7,7 ＇, 16,16 ＇ circle with gear-box 13,13 ＇ on the one hand, do non-uniform rotation with relative gear-box 13,13 ＇ of left and right planet axis on the other hand, make the cusp of seedling taking spring leaf in left and right transplanting arm member 7,7 ＇, 16,16 ＇ form required " 8 word " with the latch closure type track of accurate rice pot seedling transplanting.The rotation of left and right transplant arm parts 7,7 ＇, 16,16 ＇ makes left and right shift fork 32 be fixed on left and right gear-box 13,13 ＇ around fixing left and right cam 31() swing, at the left and right shift fork 32 in folder seedling position, through the second lift section f of left and right cam 31, lift, left and right transplanting rod 27 is increased to peak, compression simultaneously pushes away seedling spring 29, with the affixed folder seedling of transplanting rod 27 U piece 26 from outside extrusion spring sheet 25, make spring leaf 25 distortion, clamp rice shoot 33 stem stalks; At the folder seedling, to before pushing away seedling, the extreme higher position of left and right shift fork 32 in left and right cam 31 keeps a section a, and spring leaf 25 keeps clampings, with left and right transplanting arm member 7,7 ＇, 16,16 ＇, rice shoot 33 is transported to and pushes away the seedling position; Push away the seedling position when running to, left and right shift fork 32 goes to left and right cam 31 breach b, push away seedling spring 29 returns and promote the downward rapid movement of left and right transplanting rod 27, with the seedling U piece 24 that pushes away that transplanting rod 27 is affixed, from the inboard of spring leaf 25, spring leaf 25 is pushed open, simultaneously with the affixed soil-shifting U piece 23 of transplanting rod 27, act on nutrient soil pot, rice shoot 33 is pushed in soil.Pushing away seedling to before resetting, the extreme lower position of left and right shift fork 32 in left and right cam 31 keeps a section c; When running to reset position, left and right shift fork 32 lifts through the first lift section d of left and right cam 31, and left and right transplanting rod 27 is got back to initial position, and left and right shift fork 32 turns over the interlude d of left and right cam 31, prepares to press from both sides seedling next time.Thereby order has completed folder seedling, the seedling sending of rice seedling 33 and the action of planting, and realizes the mechanization transplanting of accurate rice pot seedling.
Above-mentioned embodiment is used for the utility model of explaining; rather than the utility model is limited; in the protection domain of spirit of the present utility model and claim, any modification and change that the utility model is made, all fall into protection domain of the present utility model.
Claims (4)
1. a rotary paddy rice pot seedling transplanter structure, it is characterized in that: power is inputted by power shaft (1), power shaft (1) is affixed with the first drive bevel gear (2), the first drive bevel gear (2) is rotated with the second drive bevel gear (3) engagement, power is passed to an end of the power transmission shaft (4) affixed with the second drive bevel gear (3), the other end of power transmission shaft (4) and the 3rd drive bevel gear (19) are affixed, the 4th drive bevel gear (20) is affixed with central shaft (21), the 3rd drive bevel gear (19) is rotated with the 4th drive bevel gear (20) engagement, power is passed on central shaft (21), the two axial ends that central shaft (21) stretches out transmission case (5) the left and right gear-box (13,13 ＇) identical with structure respectively is affixed, drive left and right gear-box (13,13 ＇) and rotate, the axle head that upper left, upper right, lower-left, bottom right planet axis (8,8 ＇, 17,17 ＇) are stretched out left and right gear-box (13,13 ＇) respectively with upper left, upper right, lower-left, that arm member (7,7 ＇, 16,16 ＇) is transplanted in bottom right is affixed, it is characterized in that:
LC gear (11) empty set in left gear case (13) is at an end of central shaft (21), fixing with transmission case (5) left side by left jaw flange (12), LC gear (11) is fixed on upper left with symmetry respectively, lower-left jackshaft (10, 15) upper left on, lower-left idler gear (9, 14) be meshed, upper left, lower-left idler gear (9, 14) be fixed on upper left with symmetry, lower-left planet axis (8, 17) upper left on, lower-left planetary gear (6, 18) engagement, upper left, lower-left planet axis (8, 17) stretch out the outer end of left gear case (13) and be fixed with upper left, lower-left transplant arm (7, 16), described left gear case (13, 13 ＇) gear in is the Bezier gear that adopts Bezier matched curve matching data point to obtain the gear pitch curve, during transplanting mechanism work, due to the variable speed transmission of the interior Bezier gear of gear-box (13) epicyclic train, make upper left, lower-left transplant arm member (7,16) and form track and the attitude that meets the accurate rice pot seedling transplanting.
2. a kind of rotary paddy rice pot seedling transplanter structure according to claim 1 is characterized in that: described LC gear (11) is the identical Bezier gear of gear parameter with upper left, lower-left planetary gear (6,18); Upper left, lower-left idler gear (9,14) are the identical Bezier gear of gear parameter; The pitch curve of the pitch curve of upper left, lower-left idler gear (9,14) and LC gear (11) and upper left, lower-left planetary gear (6,18) is mutually conjugate pitch curve.
3. a kind of rotary paddy rice pot seedling transplanter structure according to claim 1 is characterized in that: the LC gear (11) in described left gear case (13) has an angle with upper left, lower-left idler gear (9,14) center of rotation line and upper left, lower-left idler gear (9,14) with upper left, lower-left planetary gear (6,18) center of rotation line.
4. a kind of rotary paddy rice pot seedling transplanter structure according to claim 1, it is characterized in that: the transmission of described Bezier gear epicyclic train variable speed, in upper left, lower-left transplants arm member (7,16) cusp and form and meet accurate rice pot seedling and transplant " 8 word " with the latch closure type track required.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320449763.5U CN203378251U (en) | 2013-07-24 | 2013-07-24 | Rotary rice pot seedling transplanting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320449763.5U CN203378251U (en) | 2013-07-24 | 2013-07-24 | Rotary rice pot seedling transplanting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460865A (en) * | 2013-07-24 | 2013-12-25 | 浙江理工大学 | Rotary rice pot seedling transplanting mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103460865A (en) * | 2013-07-24 | 2013-12-25 | 浙江理工大学 | Rotary rice pot seedling transplanting mechanism |
| CN103460865B (en) * | 2013-07-24 | 2015-12-16 | 浙江理工大学 | Rotary rice seedling transplanter structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140108 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |