CN101156516A - difference elliptic gear transplanting mechanism and uses thereof - Google Patents
difference elliptic gear transplanting mechanism and uses thereof Download PDFInfo
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- CN101156516A CN101156516A CNA2007101355862A CN200710135586A CN101156516A CN 101156516 A CN101156516 A CN 101156516A CN A2007101355862 A CNA2007101355862 A CN A2007101355862A CN 200710135586 A CN200710135586 A CN 200710135586A CN 101156516 A CN101156516 A CN 101156516A
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Abstract
The invention provides a separating and transplanting mechanism and the purpose thereof in the differential ellipse gear system. The separating and transplanting mechanism consists of a chain wheel case (5) driven by medium differential speed, gear boxes (7, 8), and an insemination arm (14). The invention is characterized in that the drive power is inputted by a driven chain wheel (4) fixed on a driven chain wheel shaft (1) in the chain wheel case (5), and is transmitted to idler wheels (18) meshing with each other on a transition shaft (16) through a flange gear (3) to drive a left gearwheel and a right gearwheel (17, 19).And then the left gearwheel and the right gearwheel (17, 19) respectively mesh with a left and a right sliding-sleeve gearwheels (2, 6) on the driven chain wheel shaft (1) to drive the gear boxes (7, 8) on the left and the right large arms through the gearwheels (2, 6). At the same time, the driven chain wheel shaft (1) drives a central ellipse gearwheel (9), and then the drive power is transmitted to a planetary ellipse gear (15) to drive a consolidated planetary ellipse gear shaft (13), and then the consolidated inseminating arm (14) can be driven to move. The invention can be used in the sparse planting of the common rice seedlings with the distances from 200mm to 300mm, and the super rice seedlings transplanting work with the seedlings distances of 300mm.
Description
Technical field
Type of the present invention relates to the paddy rice plant feed unit of (comprising common rice and super hybridization rice), refers in particular to and a kind ofly can finish seedling taking when the sitting type rice seedling plugged in by machine, pushes away seedling, the efficient thin planting mechanism of rice transplanting.
Background technology
At present, the power rice-transplantor of selling on the market at home, the form of its planting mechanism has two kinds: a kind of is the crank-rocker style transplanting mechanism, another kind is the eccentric gear planetary system transplanting mechanism that uses on the Japanese high-speed transplanter.The rice transplanter of producing in the past in 1985, no matter be walk-behind type rice transplanter or seat rice transplanter, its transplanting mechanism all is the crank-linkage type transplanting mechanism.When the rice transplanting frequency was above above 200, machine vibration was very big, only is extensive use of on the walk-behind type rice transplanter at present.At the mid-80, Japan develops the seat rice transplanter of the planetary transplanting mechanism of eccentric gear, obtains using extremely widely, greatly promotes the Japanese water seed rice and plants mechanization.The planetary transplanting mechanism of eccentric gear has been applied for patent in China, and the patent No. is: CN1158212A.This mechanism is made up of the eccentric gear and the two cover transplant arms of 8 congruences.Because its symmetrical configuration, for rotary, power performance is good, and the transplanting mechanism driving shaft rotates a circle, rice transplanting twice, and operating efficiency improves greatly.But, this mechanism China only be fit to rice seedling the operation of little spacing in the rows seedling (be spacing in the rows from 120mm, 140mm, 160mm, 180mm are adjustable to 200mm, height of seedling is less than 200mm), incompatibility China southern area is planted many seasons rice and is planted the requirement (being that spacing in the rows is 300mm) of seedlings (being that height of seedling surpasses 200mm) and super hybridization rice rice shoot, also be not suitable for the big spacing in the rows thin planting that paddy rice plants and require (being that spacing in the rows is adjustable from 200mm to 300mm), so its scope of application reduces greatly.
Summary of the invention
The high efficiency rotary transplanting mechanism that the object of the present invention is to provide a kind of rational in infrastructure, reliable operation, super hybridization rice that rice transplanting efficient is high to plant.
The technical scheme that realizes above-mentioned purpose is:
Difference elliptic gear transplanting mechanism is by chain-wheel box (5), the gearcase (7,8) of middle differential gearing and adhere to the transplant arm (14) that pushes away rice seedling distribution mechanism and form, it is characterized in that: the center elliptic gear (9) in gearcase (7,8) and the gearcase is with differential gearing, and its gearratio is 1: 2; In gearcase, the elliptic gear (10,11) of two congruences is arranged between center elliptic gear (9) and the planet elliptic gear (15).
In the chain-wheel box (5) of middle differential gearing, 3 pairs of Knucle-gears (3,18 are arranged; 2,19; 6,17) and 1 pair of sprocket wheel, 3 pairs of Knucle-gears are contained in (1,16) on the two-parallel axis respectively, and the gearratio of middle a pair of gear (3,18) is-1, adjacent two pairs of gears (2,19 in addition; 6, gearratio 17) is-2.
In the chain-wheel box (5) of middle differential gearing, to by movable sprocket (4), fixed by movable sprocket (4) and passive sprocket shaft (1) by the chain transferring power.The fixed center of the other end elliptic gear (9) of passive sprocket shaft (1), by movable sprocket (4) both sides difference sliding sleeve two Knucle-gears (2,6) are installed, the other end of two Knucle-gears (2,6) that this sliding sleeve is installed is fixed with the gearcase (7,8) of chain-wheel box (5) left and right sides respectively.
Gearcase has 7 identical elliptic gears in (7,8), and the centre is center elliptic gear (9), and 3 driven elliptic gears of symmetric arrangement (10,11,15) are meshing with each other separately up and down, and planet elliptic gear (15) is fixed with transplant arm (14).
Advantage of the present invention is:
Rational in infrastructure, reliable operation, rice transplanting efficient height can be used for thin planting and the spacing in the rows super hybridization rice that the be 300mm high efficiency rotary transplanting mechanism of planting of common rice spacing in the rows from 200mm to 300mm.
Description of drawings
Below by the more detailed elaboration the present invention of illustrated example:
Fig. 1 is a structural design drawing of the present invention.Wherein, Fig. 1 (a) is a front view of the present invention, and Fig. 1 (b) is Fig. 1 (a) end view.
Fig. 2 is structural representation of the present invention and fundamental diagram.
Among the figure: 1. passive sprocket shaft; 2. right sliding sleeve gear; 3. flange gear; 4. by movable sprocket; 5. chain-wheel box; 6. left sliding sleeve gear; 7. gearcase right case; 8. gearcase left box body; 9. center elliptic gear; 10. middle elliptic gear I; 11. middle elliptic gear II; 12. push away the seedling cam; 13. planet elliptic gear axle; 14. transplant arm; 15. planet elliptic gear; 16. transition gear axle; 17. left transition gear; 18. middle transition gear; 19. right transition gear; 20. seedling pawl; 21. transplanting rod; 22. declutch shift shaft; 23. shift fork; 24. transplant arm lid; 25. spring; 26. spring base; 27. seedling case
Embodiment
In Fig. 1, in chain-wheel box (5), to by movable sprocket (4), fixed by movable sprocket (4) and passive sprocket shaft (1) by the chain transferring power.Left side structure with whole device is an example, and top and the bottom are about passive sprocket shaft (1) center line symmetry.Passive sprocket shaft (1) other end and center elliptic gear (9) are fixed, and left sliding sleeve gear (6) other end and gearcase right case (7) are fixed.Power branch two lines spread out of: a drive path is, power is through passing to the middle transition gear (18) (gearratio is-1) that is meshed on the transition axis (16) with the flange gear (3) that is installed in same axle by movable sprocket (4), drive is installed in the left and right transition gear (17,19) that transition axis (16) is gone up middle transition gear (18) both sides, be meshed (gearratio is-2) with left and right sliding sleeve gear (6,2) respectively, left and right sliding sleeve gear (6 and 2) is the gearcase of drive chain roller box (5) left and right sides respectively again; Another drive path is, power is by the center elliptic gear (9) fixed with passive sprocket shaft (1), pass through gear teeth meshing, pass to planet elliptic gear (15) through middle elliptic gear (10,11), drive and the fixed planet elliptic gear axle (13) of planet elliptic gear (15), planet elliptic gear axle (13) is fixed with transplant arm (14), thereby drives transplant arm (14) motion.Configuration pushes away rice seedling distribution mechanism in transplant arm (14), comprises by what be connected with the gearcase housing pushing away seedling cam (12), be consolidated in transplant arm (14) on shift fork (23) and the transplanting rod (21) that can swing around declutch shift shaft (22) and push away seedling spring (25).Under the effect of spring (25), an end of shift fork (23) with push away seedling cam (12) and keep in touch, an end of shift fork (23) drives transplanting rod (21) action.Seedling pawl (20) is fixed on the end of transplant arm (14).
The structure of this transplanting mechanism chain-wheel box (5) the right one side is same as described above.
Operation principle of the present invention is as follows:
The structural representation of difference elliptic gear transplanting mechanism and fundamental diagram, as shown in Figure 2.The elliptic gear of 7 congruences is installed in a rotating gearcase (7,8), and transplant arm (14) is equipped with at the housing two ends of gearcase, is connected mutually with two planet elliptic gear axles (15) respectively.Configuration pushes away rice seedling distribution mechanism in transplant arm (14), is in series by oscillating cam mechanism and sine mechanism.Wherein, oscillating cam mechanism by with the gearcase housing be connected push away seedling cam (12) and shift fork (23) is formed, sine mechanism is by shift fork (23), transplanting rod (21) and push away seedling spring (25) and form.Top with whole device left side structure is formed, and this mechanism can regard as two bar manipulators, and gearcase is regarded a bar as, and transplant arm is regarded another bar as.
During work, power relies on the Knucle-gear (3,18 of 3 groups of different gear ratios by being imported by movable sprocket (4) in the chain-wheel box between passive sprocket shaft (1) in the chain-wheel box and the transition axis (16) in parallel; 2,19; 6,17), make transition axis (16) spread out of low speed and give gearcase (7,8), to the center elliptic gear (9) in the gearcase, making the gearcase (7,8) and the gearratio of center elliptic gear (9) is 1: 2 by the high-speed transfer of movable sprocket (4).Like this, gearcase (7,8) rotate around passive sprocket shaft (1) as a driving link, center elliptic gear (9) rotates in the same way as the rotating speed of another driving link with 2 times of gearcases, make the passive planet elliptic gear (15) of a pair of symmetrical mounting in the gearcase do back and forth to rotate, with the fixed a pair of transplant arm (14) of planet elliptic gear (15) under the resultant motion of the reciprocal rotation of the circular motion of gearcase and planet elliptic gear (15), thereby make seedling pawl (20) obtain to be suitable for separating seedlings or planting, the avette work track of rice transplanting, and the attitude when guaranteeing seedling pawl seedling taking and pushing away seedling.
In gearcase (7,8) rotation process, the existing rotation of detouring star elliptic gear axle (13) of planet elliptic gear (15) has the revolution of rotating with gearcase (7 and 8) again.The initial installation site of all elliptic gears (9,10,11,15) is a same phase in the gearcase (7,8), along with gearcase (7,8) rotates a week, after having experienced a sometimes fast and sometimes slow rotation, each elliptic gear (9,10,11,15) gets back to original initial position again.Therefore, in the enforcement of structure, the present invention can be made into up and down the scheme about passive sprocket shaft (1) center line symmetry, as shown in Figure 1.
Simultaneously, for guaranteeing to be inserted into rice shoot in the earth reliably, requirement push away rice seedling distribution mechanism along with the motion of gearcase and transplant arm in backhaul track process, the profile that dependence pushes away seedling cam (12) lift section makes shift fork (23) swing, drive transplanting rod (21) compression spring (25), spring (25) energy reserve is for realizing that pushing away seedling prepares.Then, seedling pawl (20) in the seedling taking position from seedling case (27) seedling taking before bury, push away each member of rice seedling distribution mechanism relative motion do not take place.When seedling pawl (20) buries the track minimum point, push away seedling cam (12) and be operated in the backhaul section, rely on the energy of compression spring (25), transplanting rod (21) moves a distance relative to the transplant arm guide passage, pressure pushes rice shoot in the earth rapidly and accurately, thereby finishes seedling pushing action.
According to operation principle of the present invention and organization plan, but gearcase rotates a week rice transplanting twice, can be configured on the high-speed transplanter planting mechanism as rice shoot.According to thin planting and the spacing in the rows super hybridization rice that the be 300mm requirement of planting of common rice spacing in the rows from 200mm to 300mm, after utilizing computer optimization structural parameters and kinematic parameter, difference elliptic gear transplanting mechanism of the present invention can be used for common rice thin planting and super hybridization rice rice transplanting operation, especially is fit to plant late rice seedlings and super hybridization rice rice shoot.
Claims (5)
1. difference elliptic gear transplanting mechanism, it is by chain-wheel box (5), the gearcase (7,8) of middle differential gearing and adhere to the transplant arm (14) that pushes away rice seedling distribution mechanism and form, it is characterized in that: the center elliptic gear (9) in gearcase (7,8) and the gearcase is with differential gearing, and its gearratio is 1: 2; In gearcase, the elliptic gear (10,11) of two congruences is arranged between center elliptic gear (9) and the planet elliptic gear (15).
2. difference elliptic gear transplanting mechanism according to claim 1 is characterized in that: in the chain-wheel box (5) of middle differential gearing 3 pairs of Knucle-gears (3,18 are arranged; 2,19; 6,17) and 1 pair of sprocket wheel, 3 pairs of Knucle-gears are contained in (1,16) on the two-parallel axis respectively, and the gearratio of middle a pair of gear (3,18) is-1, adjacent two pairs of gears (2,19 in addition; 6, gearratio 17) is-2.
3. difference elliptic gear transplanting mechanism according to claim 1, it is characterized in that: in the chain-wheel box (5) of middle differential gearing, arrive by movable sprocket (4) by the chain transferring power, fixed by movable sprocket (4) and passive sprocket shaft (1), the fixed center of the other end elliptic gear (9) of passive sprocket shaft (1), by movable sprocket (4) both sides difference sliding sleeve two Knucle-gears (2,6) are installed, the other end of two Knucle-gears (2,6) that this sliding sleeve is installed is fixed with the gearcase (7,8) of chain-wheel box (5) left and right sides respectively.
4. difference elliptic gear transplanting mechanism according to claim 1, it is characterized in that: gearcase has 7 identical elliptic gears in (7,8), the centre is center elliptic gear (9), 3 driven elliptic gears of symmetric arrangement (10,11,15) up and down, be meshing with each other separately, planet elliptic gear (15) is fixed with transplant arm (14).
5. the purposes of difference elliptic gear transplanting mechanism according to claim 1 is characterized in that this mechanism is applicable to that thin planting and the spacing in the rows super hybridization rice that be 300mm of common rice spacing in the rows from 200mm to 300mm plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101355862A CN101156516A (en) | 2007-11-13 | 2007-11-13 | difference elliptic gear transplanting mechanism and uses thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101355862A CN101156516A (en) | 2007-11-13 | 2007-11-13 | difference elliptic gear transplanting mechanism and uses thereof |
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| Publication Number | Publication Date |
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| CN101156516A true CN101156516A (en) | 2008-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007101355862A Pending CN101156516A (en) | 2007-11-13 | 2007-11-13 | difference elliptic gear transplanting mechanism and uses thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101933424A (en) * | 2010-09-03 | 2011-01-05 | 江苏大学 | Differential eccentric gear train transplanting mechanism |
| WO2011124145A1 (en) * | 2010-04-09 | 2011-10-13 | 东北农业大学 | Separating-transplanting mechanism of wide-narrow row transplanter |
| CN102656981A (en) * | 2012-04-27 | 2012-09-12 | 东北农业大学 | Pot-clamping seedling taking mechanism of rice pot seedling transplanting machine |
| CN109699255A (en) * | 2019-01-17 | 2019-05-03 | 浙江理工大学 | A kind of rape blanket seedling opens cave and seedling taking transplanting mechanism and its method for transplanting |
-
2007
- 2007-11-13 CN CNA2007101355862A patent/CN101156516A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124145A1 (en) * | 2010-04-09 | 2011-10-13 | 东北农业大学 | Separating-transplanting mechanism of wide-narrow row transplanter |
| CN101933424A (en) * | 2010-09-03 | 2011-01-05 | 江苏大学 | Differential eccentric gear train transplanting mechanism |
| CN101933424B (en) * | 2010-09-03 | 2013-04-17 | 江苏大学 | Differential eccentric gear train transplanting mechanism |
| CN102656981A (en) * | 2012-04-27 | 2012-09-12 | 东北农业大学 | Pot-clamping seedling taking mechanism of rice pot seedling transplanting machine |
| CN109699255A (en) * | 2019-01-17 | 2019-05-03 | 浙江理工大学 | A kind of rape blanket seedling opens cave and seedling taking transplanting mechanism and its method for transplanting |
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