CN100527937C - Rotary separating and planting mechanism with offset elliptic gear of walking rice transplanter - Google Patents
Rotary separating and planting mechanism with offset elliptic gear of walking rice transplanter Download PDFInfo
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- CN100527937C CN100527937C CNB2007101261193A CN200710126119A CN100527937C CN 100527937 C CN100527937 C CN 100527937C CN B2007101261193 A CNB2007101261193 A CN B2007101261193A CN 200710126119 A CN200710126119 A CN 200710126119A CN 100527937 C CN100527937 C CN 100527937C
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- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 235000007164 Oryza sativa Nutrition 0.000 title abstract description 23
- 235000009566 rice Nutrition 0.000 title abstract description 23
- 240000007594 Oryza sativa Species 0.000 title 1
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 241000209094 Oryza Species 0.000 abstract description 22
- 230000033001 locomotion Effects 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 6
- 241001481833 Coryphaena hippurus Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 210000003734 kidney Anatomy 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The present invention discloses rotary separating and planting mechanism with offset elliptic gear for walking rice seedling transplanter. The central chain wheel inside the chain wheel box rotates the right and the left gear boxes separately on two ends of the central shaft, and two fixed central elliptic gears in the gear boxes drives the planetary elliptic gear on the planetary shaft via the intermediate elliptic gear. The planting arm fixed to the end of the planetary shaft stretching beyond the gear box performs a resultant motion. The planetary gear train of the said mechanism features that the cross section centers of the central shaft, the intermediate shaft and the planetary shaft form one triangle. The present invention can ensure high rice seedling transplanting quality.
Description
Technical field
The present invention relates to agricultural machinery, especially relate to a kind of offset elliptic gear rotary transplanting mechanism that is used for walk-behind type paddy-field work machine.
Background technology
At present, the rice transplanter of selling on market, its planting mechanism mainly contain two kinds: crank-rocker style transplanting mechanism and rotary transplanting mechanism.The crank-rocker style transplanting mechanism can be by changing the relative movement orbit that crank center of rotation and rocking bar oscillation center position change the seedling pawl, when its relative movement orbit is " kidney shape ", be used for saddle type rice transplanter, when its relative movement orbit is " dolphin shape ", be used for walk-behind type paddy-field work machine.The seedling pawl relative movement orbit of rotary transplanting mechanism is " kidney shape ", is mainly used in saddle type rice transplanter, if when being used for walk-behind type paddy-field work machine, then make a slip of the tongue greatly in the rice transplanting cave, causes easily and float seedling and seedling laying.But rotary transplanting mechanism is compared with the crank-rocker style transplanting mechanism, has the advantage that inertia force is little, vibrate little and good stability.
Summary of the invention
Insert rotary transplanting mechanism after the purpose of this invention is to provide a kind of offset elliptic gear of walk-behind type paddy-field work machine, the physical dimension of this mechanism is less relatively, vibrates also little.
In order to achieve the above object, the technical solution used in the present invention is: it comprises drive disk assembly and transplant arm parts; Drive disk assembly is included on the power transmission shaft in the chain-wheel box drive sprocket is housed, through chain be contained in chain-wheel box in center sprocket wheel on the central shaft be connected, central shaft stretches out chain-wheel box and arranged on left and right sides axle head outward and is fixed with left and right gearcase respectively.Be equipped with respectively on the central shaft in the described left and right gearcase by left and right flanges and be fixed on left and right central gear on the chain-wheel box, left and right central gear meshes with the left and right idler gear that is packed on the left and right jackshaft respectively, and left and right idler gear and the left and right planetary gear engagement that is fixed on the left and right planet axis, the end that left and right planet axis is stretched out left and right gearcase is fixed with left and right transplant arm parts.
Left and right central gear in the described left and right gearcase, the relative position triangularity in three axle center of the three shaft gear planetary systems that left and right idler gear and left and right planetary gear constituted is arranged.
Described left and right central gear, left and right idler gear and left and right planetary gear all are elliptic gears.
Described left and right transplant arm parts are the straight arm type structure, promptly shift fork to the application point of transplanting rod with to action of cam point in the same lateral cross section of declutch shift shaft.
Respectively be fixed with the seedling pawl of " U " type on the described left and right transplant arm parts, two seedling fetching fingers that separately stretch out of seedling pawl are the angle steel shape, and the P1 place, bottom of seedling fetching finger is sharp blade-like, and the inboard P2 place between two seedlings refer to is level and smooth shape.
Central gear maintains static, center chain wheeling driving gear box rotates, planetary gear drives the transplant arm be packed in planet axis one end and does non-uniform rotation with respect to gearcase, and the absolute movement of transplant arm is the resultant motion around the circular motion of central shaft of the non-uniform rotation of the relative gearcase of planetary gear and gearcase.Under the effect of this resultant motion, the seedling claw type in the transplant arm parts becomes to be fit to " dolphin shape " track of walking rice transplanter.
The invention has the beneficial effects as follows: centre wheel has only 1 group of planetary system gear drive relatively in gearcase, the relative position triangularity in three axle center of gear planetary system is arranged, drive 1 transplant arm motion, gearcase turns around, realize rice transplanting 1 cave, the rice transplanting frequency when being fit to walk-behind type paddy-field work machine work, slotting cave becomes very little, be beneficial to upright seedling, reduce seedling rate and the seedling laying rate of floating; If improve the gearcase rotating speed, also can be used on the high-speed transplanter; Two seedling fetching fingers that separately stretch out of " U " type seedling pawl are the angle steel shape, the bottom P1 of seedling fetching finger is sharp blade-like, and the inboard P2 between two seedlings refer to is level and smooth shape, in the time of can reducing the seedling taking of seedling pawl and the frictional resistance between soil, inboard between two seedlings refer to is level and smooth, is difficult for hindering seedling; Shift fork to the application point of transplanting rod with to action of cam point in the same lateral cross section of declutch shift shaft, shift fork part stress state is more reasonable.Overall structure is simple, and volume is little, and is in light weight, vibrate little, low cost of manufacture.
Description of drawings
Fig. 1 is a mechanism principle schematic diagram of the present invention.
Fig. 2 is a structure assembling schematic diagram of the present invention.
Fig. 3 is the B-B cutaway view of Fig. 2.
Fig. 4 is the side schematic view of transmission principle of the present invention.
Fig. 5 is a seedling claw shape feature schematic diagram of the present invention.
Fig. 6 is the schematic diagram that concerns of quiet track of seedling pawl of the present invention and gearcase corner.
Fig. 7 is the movement locus schematic diagram of seedling pawl of the present invention.
Fig. 8 is the movement locus schematic diagram of " planetary system formula arranged in a straight line " transplanting mechanism in the past.
Among the figure: 1. central shaft, 2 '. left flange, 2. right flange, 3. center sprocket wheel, 4. chain-wheel box, 5 '. the left gear box, 5. right gear box, 6 '. left lateral star-wheel, 6. right lateral star-wheel, 7 '. left planet axis, 7. right planet axis, 8 '. left transplant arm parts, 8. right transplant arm parts, 9 '. left shift fork, 9. right shift fork, 10 '. left cam, 10. right cam, 12 '. left jackshaft, 12. right jackshaft, 13 '. left idler gear, 13. right idler gears, 14 '. LC gear, 14. right central gears, 15. seedling pawls, 16. power transmission shaft, 17. transplanting rods, 18. drive sprockets, 19. chain, 20. push away the seedling spring, 21. cushion pads.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, 2, insert rotary transplanting mechanism behind the offset elliptic gear of walk-behind type paddy-field work machine of the present invention, it comprises drive disk assembly and transplant arm parts.Drive disk assembly is included in power transmission shaft 16 and the dress drive sprocket 18 thereon in the chain-wheel box 4, through chain 19 be contained in chain-wheel box 4 in center sprocket wheel 3 on the central shaft 1 be connected, central shaft 1 stretch out chain-wheel box 4 outer and arranged on left and right sides axle heads be fixed with respectively left and right gearcase 5 ', 5.Described left and right gearcase 5 ', be equipped with respectively on the central shaft 1 in 5 by left and right flanges 2 ', 2 be fixed on left and right central gear 14 on the chain-wheel box 4 ', 14, left and right central gear 14 ', 14 respectively by be packed in left and right jackshaft 12 ', left and right idler gear 13 on 12 ', 13 transmissions be packed in left and right planet axis 7 ', left and right planetary gear 6 on 7 ', 6, left and right planet axis 7 ', 7 stretch out left and right gearcase 5 ', an end of 5 be fixed with left and right transplant arm parts 8 ', 8.
As shown in Figure 4, described left and right gearcase 5 ', the left and right central gear 14 in 5 ', 14, left and right idler gear 13 ', 13 and left and right planetary gear 6 ', three axle center A, B of 6 three shaft gear planetary systems, the relative position triangularity of C arrange, α, δ are offset elliptic gear initial position established angles, α＜δ.
Described left and right planetary gear 6 ', 6, left and right idler gear 13 ', 13 and left and right central gear 14 ', 14 all be elliptic gear.
Described left and right transplant arm parts 8 ', 8 be the straight arm type structure, promptly shift fork to the application point of transplanting rod with to action of cam point in the same lateral cross section of declutch shift shaft.
As shown in Figure 3, be example with right transplant arm parts 8, it is equipped with pulling seedlings device, comprising: right cam 10, right shift fork 9, push away seedling spring 20, cushion pad 21, seedling pawl 15, transplanting rod 17.Right cam 10 is fixedlyed connected with right gear box 5.As shown in Figure 5, the P1 place, bottom of " U " type seedling pawl 15 is sharp blade-like, two seedling pawls 15 ' and 15 inboard P2 place be smooth-shaped.
Shown in Fig. 6,7, be that one's duty inserts the track of seedling hook tip in the mechanism for implementing example, among Fig. 7, a is that quiet track is the track of machine when not walking, the track when b is the machine walking for moving track, c is a rice shoot, and d is the horizon, and e is the seedling pawl, and s is for inserting the cave width.
As shown in Figure 8, the track of " planetary system formula arranged in a straight line " transplanting mechanism seedling hook tip in the past, a ' is quiet track, the track when b ' is the machine walking for moving track, c is a rice shoot, and d is the horizon, and e is the seedling pawl, and s ' is for inserting the cave width.
From Fig. 7, Fig. 8 as can be seen, the present invention makes slotting cave become very little, and s ' is 83mm, and s only is 25mm.
Operation principle of the present invention is: transplanting mechanism power is delivered to the center sprocket wheel by rice transplanter chain-wheel box drive sprocket through chain, the drive central shaft rotates, driving left and right gearcase rotates, simultaneously, in the left and right gearcase that rotates, fixing central gear is by idler gear transmission planetary gear, when planetary gear around planet axis when gearcase rotates, the drive transplant arm rotates, affect shift fork to center on the stationary cam swing, shift fork passes through the ascent stage of cam and lifts before seedling taking, and transplanting rod is increased to peak, and compression simultaneously pushes away the seedling spring; Before rice transplanting, the extreme higher position that shift fork is in cam keeps section in seedling taking; When seedling pawl arrival rice transplanting position, shift fork goes to cam notch, pushes away seedling spring return and promotes the downward rapid movement of transplanting rod, and rice shoot is pushed in the soil.Thereby order has been finished seedling taking, the rice transplanting action of rice seedling, realizes the mechanization transplanting of rice seedling.The motion of transplant arm parts is a planetary gear around the resultant motion around the circular motion of central shaft of the non-uniform rotation of the relative gearcase of planet axis and gearcase.Gearcase turns around, and transplant arm rice transplanting rice transplanting frequency once is fit to the job requirement of walk-behind type paddy-field work machine.Utilize the structural parameters of computer optimization offset elliptic gear power train, just can make the track of seedling pin satisfy " dolphin shape " track requirement of walking rice transplanter rice transplanting.
Above-mentioned embodiment is used for the present invention that explains, rather than limits the invention, and in the protection domain of spirit of the present invention and claim, any modification and change to the present invention makes all fall into protection scope of the present invention.
Claims (4)
1. insert rotary transplanting mechanism behind the offset elliptic gear of a walk-behind type paddy-field work machine, it comprises drive disk assembly and transplant arm parts; Drive disk assembly is included on the interior power transmission shaft (16) of chain-wheel box (4) drive sprocket (18) is housed, through chain (19) be contained in chain-wheel box (4) in center sprocket wheel (3) on the central shaft (1) be connected, central shaft (1) stretches out the outer and arranged on left and right sides axle head of chain-wheel box (4) and is fixed with left and right gearcase (5 ', 5) respectively, is equipped with respectively on the central shaft (1) in the described left and right gearcase (5 ', 5) by left and right flanges (2 ', 2) and is fixed on left and right center elliptic gear on the chain-wheel box (4) (14 ', 14); It is characterized in that: a left side, right center elliptic gear (14 ', 14) respectively be packed in a left side, right jackshaft (12 ', 12) left side on, elliptic gear in the middle of right (13 ', 13) engagement, and a left side, elliptic gear in the middle of right (13 ', 13) be fixed on a left side, right planet axis (7 ', 7) left side on, right lateral star elliptic gear (6 ', 6) engagement, promptly left, right center elliptic gear (14 ', 14), a left side, elliptic gear in the middle of right (13 ', 13), a left side, right lateral star elliptic gear (6 ', 6) directly engagement successively respectively, a left side, right planet axis (7 ', 7) stretch out a left side, the right gear box (5 ', 5) a end is fixed with a left side, right transplant arm parts (8 ', 8).
2. insert rotary transplanting mechanism behind the offset elliptic gear of a kind of walk-behind type paddy-field work machine according to claim 1, it is characterized in that: the left and right center elliptic gear in the described left and right gearcase (5 ', 5) (14 ', 14), left and right in the middle of elliptic gear (13 ', 13) and left and right planet elliptic gear (6 ', 6) three axle center A, B of three shaft gear planetary systems, the arrangement of the relative position triangularity of C.
3. insert rotary transplanting mechanism behind the offset elliptic gear of a kind of walk-behind type paddy-field work machine according to claim 1, it is characterized in that: described left and right transplant arm parts (8 ', 8) are the straight arm type structure, promptly shift fork to the application point of transplanting rod with to action of cam point in the same lateral cross section of declutch shift shaft.
4. insert rotary transplanting mechanism behind the offset elliptic gear of a kind of walk-behind type paddy-field work machine according to claim 1, it is characterized in that: the seedling pawl (15) that respectively is fixed with " U " type on the described left and right transplant arm parts (8 ', 8), two seedling fetching fingers that separately stretch out of seedling pawl (15) are the angle steel shape, the P1 place, bottom of seedling fetching finger is sharp blade-like, and the inboard P2 place between two seedlings refer to is level and smooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101261193A CN100527937C (en) | 2006-10-26 | 2007-06-10 | Rotary separating and planting mechanism with offset elliptic gear of walking rice transplanter |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100539826A CN1943299A (en) | 2006-10-26 | 2006-10-26 | Rotary split transplanting mechanism of step rice transplanter |
| CN200610053982.6 | 2006-10-26 | ||
| CNB2007101261193A CN100527937C (en) | 2006-10-26 | 2007-06-10 | Rotary separating and planting mechanism with offset elliptic gear of walking rice transplanter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101066020A CN101066020A (en) | 2007-11-07 |
| CN100527937C true CN100527937C (en) | 2009-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101261193A Expired - Fee Related CN100527937C (en) | 2006-10-26 | 2007-06-10 | Rotary separating and planting mechanism with offset elliptic gear of walking rice transplanter |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101911879A (en) * | 2010-07-13 | 2010-12-15 | 浙江理工大学 | Rear-inserting rotary-type respectively-transplanting mechanism of deformed elliptical gear of walking-type rice transplanter |
| CN101897257B (en) * | 2010-07-13 | 2011-11-30 | 浙江理工大学 | Deformation ellipse-circular gear back planting rotating type transplanting mechanism of walking transplanter |
| CN102239765B (en) * | 2011-07-19 | 2013-02-13 | 浙江理工大学 | Oval bevel gear planetary system separating-planting mechanism for high-speed wide/narrow row seedling planting machine |
| CN109479467B (en) * | 2018-12-24 | 2024-05-17 | 浙江理工大学 | Combined transplanting mechanism with planetary gear and double crank mechanisms |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442035A (en) * | 2003-04-09 | 2003-09-17 | 浙江工程学院 | Column gear ellipsoid gear planetary system transplanting mechanism |
| CN2612218Y (en) * | 2003-04-09 | 2004-04-21 | 浙江工程学院 | Disk type combination gear planetary system separating and transplanting mechanism |
-
2007
- 2007-06-10 CN CNB2007101261193A patent/CN100527937C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1442035A (en) * | 2003-04-09 | 2003-09-17 | 浙江工程学院 | Column gear ellipsoid gear planetary system transplanting mechanism |
| CN2612218Y (en) * | 2003-04-09 | 2004-04-21 | 浙江工程学院 | Disk type combination gear planetary system separating and transplanting mechanism |
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| CN101066020A (en) | 2007-11-07 |
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