CN101433139A - Pascal spiral curve gear planetary transplanting mechanism - Google Patents
Pascal spiral curve gear planetary transplanting mechanism Download PDFInfo
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- CN101433139A CN101433139A CNA2008101621121A CN200810162112A CN101433139A CN 101433139 A CN101433139 A CN 101433139A CN A2008101621121 A CNA2008101621121 A CN A2008101621121A CN 200810162112 A CN200810162112 A CN 200810162112A CN 101433139 A CN101433139 A CN 101433139A
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Abstract
The invention discloses a Pascal helical line gear planetary system transplanting mechanism. A central sprocket in a sprocket box drives left and right gear boxes to rotate; and a central Pascal helical line gear is fixed at the center between the two gear boxes. Two middle Pascal helical line gear conjugate non-circular gears meshing with the central Pascal helical line gear rotate with the gear boxes and mesh with planet Pascal helical line gears at the planet wheel positions so as to drive the planet Pascal helical line gears to make non-uniform motion relative to the gear boxes. Right and left planting arms are fixedly connected with the corresponding planet Pascal helical line gears respectively. The transplanting mechanism adopts a Pascal helical line gear pair as a driving part inside the gear boxes of the transplanting mechanism. Through proper parameters selected, the motion locus of the Pascal helical line gear planetary system transplanting mechanism can meet the requirements of rice transplanting.
Description
Technical field
The present invention relates to agricultural machinery, especially relate to a kind of Pascal spiral curve gear planetary transplanting mechanism of rice transplanter.
Background technology
At present, the paddy rice power rice-transplantor of selling on China market, its planting mechanism mainly concentrate on two kinds of forms: a kind of is the crank-rocker style transplanting mechanism, and another kind is that rotation is a transplanting mechanism.The crank-rocker style transplanting mechanism is the energy operate as normal when operating frequency is 200-220 times/minutes, increase along with the rice transplanting frequency, can make rice transplanter frame vibrations aggravation, thereby limited the raising of operating efficiency, the expert on Japan crosses the method that increases counterweight, adopt high-strength light material and new processing technology simultaneously, the rice transplanting frequency upgrading that is the crank-rocker style transplanting mechanism is to 260 times/minute, simultaneously also cause power seedling needlework speed too high, cause the inequality of separating seedlings or planting easily, damaged seedling rate and leakage seedling rate increase; The eccentric gear transplanting mechanism of rotary transplanting mechanism such as Japan exploitation is provided with two transplant arms in that gearcase is one-sided, and rice transplanting is twice but gearcase rotates a circle, make linear velocity reduce 1/2 when increasing work efficiency again, therefore it is little to hinder seedling, separates seedlings or planting evenly, and the rice transplanting quality is good.But Japan is single cropping rice country, and its transplanting mechanism mainly is applicable to the seedling operation of rice seedling, can only insert a season at China's southern area of the double cropping rice of planting, so the scope of application is dwindled greatly.In addition, eccentric gear sideshake can occur in transmission process, produces vibration and causes sampling uneven.Eliminate the sideshake device so increase, make the transplanting mechanism internal gear be increased to 7 gears, complicated greatly mechanism.
Summary of the invention
The object of the present invention is to provide a kind of Pascal spiral curve gear planetary transplanting mechanism, by 5 gear-driven transplanting mechanisms, this mechanism can be applicable to southern double cropping rice rice transplanting operation, can be used for the Pascal spiral curve gear planetary transplanting mechanism of northern single cropping rice rice transplanting operation again.
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 comprises the drive sprocket that is contained on the chain-wheel box intermediate solid drive shaft, drive sprocket is connected with center sprocket wheel on being contained in central shaft through chain, drive the rotation of central shaft, central shaft stretches out on the outer and arranged on left and right sides axle of chain-wheel box and is fixed with left and right gearcase respectively, and the central shaft two ends drive left and right sides gearcase by flat key and do the uniform speed rotation; Central shaft is fixed on the chain-wheel box by left and right flanges, and left and right center Bath main officer of Tibet helical line gear is fixed in the left and right gearcase by left and right flanges; A left side, right Bath main officer of Tibet helical line gear respectively be packed in a central shaft left side, on the right-hand member, on the central shaft left end, be equipped with upper left on the middle wheel shaft of downside respectively, Bath main officer of Tibet helical line gear is total to non-circular gear in distress in the middle of the downside, left side Bath main officer of Tibet helical line gear is respectively with upper left, Bath main officer of Tibet helical line gear non-circular gear engagement altogether in distress in the middle of the downside, upper left, be equipped with upper left in the middle of following on the planet wheel spindle of wheel shaft both sides respectively, lower planet Bath main officer of Tibet helical line gear, upper left, Bath main officer of Tibet helical line gear non-circular gear in distress upper left with separately respectively altogether in the middle of the downside, downside planet Bath main officer of Tibet helical line gears engaged, upper left, the planet wheel spindle of downside stretches out the outer end of left gear box and is fixed with upper left respectively, downside transplant arm parts; On the central shaft right-hand member, be equipped with upper right on the middle wheel shaft of downside respectively, Bath main officer of Tibet helical line gear is total to non-circular gear in distress in the middle of the downside, right Bath main officer of Tibet helical line gear is respectively with upper right, non-circular gear engagement altogether in distress in the middle of the downside, upper right, be equipped with upper left in the middle of following on the planet wheel spindle of wheel shaft both sides respectively, lower planet Bath main officer of Tibet helical line gear, upper right, Bath main officer of Tibet helical line gear non-circular gear in distress upper right with separately respectively altogether in the middle of the downside, downside planet Bath main officer of Tibet helical line gears engaged, upper right, the planet wheel spindle of downside stretches out the outer end of left gear box and is fixed with upper right respectively, the right transplant arm parts of downside.
Left and right center Bath main officer of Tibet helical line gear, left and right planet Bath main officer of Tibet helical line gear and another left and right planet Bath main officer of Tibet helical line gear geometric parameter are complete; And in the middle of left and right Bath main officer of Tibet helical line gear altogether non-circular gear in distress and another left and right in the middle of Bath main officer of Tibet helical line gear altogether non-circular gear geometric parameter in distress be to determine by Bath main officer of Tibet helical line gear.
In initial installation site, 3 the Bath main officer of Tibet helical line gears in the transplanting mechanism of both sides and the center of 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear, these 5 pivots all point-blank, and 0 ° and 180 ° 2 s' line overlaps on this straight line and each gear pitch curve.
The modulus of the number of teeth of described 3 Bath main officer of Tibet helical line gears, 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear is all identical, and the pitch curve girth equates.
The present invention compared with prior art has useful effect to be:
1) utilizes 5 gears to realize the function of 7 gears in the eccentric gear transplanting mechanism, simplified mechanism.Planetary gear does not have the turning, installs simple.
2) adopt Bath main officer of Tibet helical line gear and the transmission of conjugation non-circular gear thereof, stable drive, vibrate little, help guaranteeing the seedling taking amount evenly, raising rice transplanting quality.
3) center Bath main officer of Tibet helical line gear is the same with planet Bath main officer of Tibet helical line gear, has simplified the structure at planetary gear place, has saved the space, and the gear in the gearcase can be thickeied, and has increased the impact resistance of transplanting mechanism, can further improve the rice transplanting efficient of rice transplanter.
4) pitch curve of center Bath main officer of Tibet helical line gear and middle Bath main officer of Tibet helical line gear conjugation non-circular gear is different, and the rice transplanting track cave mouth that produces in the conjugation transmission process is littler, is not easy to float the seedling phenomenon; The rice transplanting track is higher, and is stronger to the adaptive capacity of rice shoot.
Description of drawings
Fig. 1 is a structure principle chart of the present invention.
Fig. 2 is 5 initial scheme of installations of gear.
Fig. 3 is a structure assembling schematic diagram of the present invention.
Fig. 4 is the A of Fig. 2---the A cutaway view.
Fig. 5 is the transplant arm component diagram.
Among the figure: 1.1 ', left and right sides Bath main officer of Tibet helical line gear, 2.2 ', about in the middle of Bath main officer of Tibet helical line gear non-circular gear in distress altogether, 3.3 ', left and right sides planet Bath main officer of Tibet helical line gear, 4.4 ', about in the middle of Bath main officer of Tibet helical line gear non-circular gear in distress altogether, 5.5 ', left and right sides planet Bath main officer of Tibet helical line gear, 6.6 ', left and right sides gearcase, 7, drive sprocket, 8, power transmission shaft, 9, chain, 10.10 ', left and right sides transplant arm parts, 11.11 ', left and right sides transplant arm parts, 12, chain-wheel box, 13, central shaft, 14, the center sprocket wheel, 15.15 ', left and right sides planet wheel spindle, 16.16 ', left and right sides planet wheel spindle, 17.17 ', left and right sides flange, 18.18 ', about in the middle of wheel shaft, 19.19 ', about in the middle of wheel shaft, 20, cam, 21, transplanting rod, 22, the seedling pin, 23, shift fork, 23, shift fork, 24, push away the seedling spring.
Embodiment
As Fig. 1, Fig. 2, shown in Figure 3, it comprises drive disk assembly and transplant arm parts the present invention.Drive disk assembly comprises the drive sprocket 7 that is contained on chain-wheel box 12 intermediate solid drive shafts 8; input power drive drive sprocket 7 rotates together on the power transmission shaft 8; drive sprocket 7 is connected with center sprocket wheel 14 on being contained in central shaft 13 through chain 9; driven the rotation of central shaft 13; clutch is housed on the central shaft, plays the effect of safeguard protection.Central shaft 13 stretch out be fixed with respectively on the outer and arranged on left and right sides axle of chain-wheel box 12 left and right gearcase 6,6 ', by rotatablely moving of central shaft 13, central shaft 13 two ends drive left and right sides gearcase by flat key and do the uniform speed rotation; Central shaft 13 is by left and right flanges 17,17 ' be fixed on the chain-wheel box, and left and right center Bath main officer of Tibet helical line gear 1,1 ' sky is enclosed within on the central shaft 13, and by the left and right gearcase 6,6 of left and right flanges 17,17 ' be fixed on ' in; When central shaft 13 drives left and right gearcase 6,6 ' when making uniform motion because left and right flanges 17,17 ' fixation, center Bath main officer of Tibet helical line gear maintains static.A left side, right center Bath main officer of Tibet helical line gear 1,1 ' respectively is packed in central shaft 13 left sides, on the right-hand member, on central shaft 13 left ends, the middle wheel shaft 18 of downside, be equipped with upper left on 19 respectively, Bath main officer of Tibet helical line gear is total to non-circular gear 2 in distress in the middle of the downside, 4, left side Bath main officer of Tibet helical line gear 1 is respectively with upper left, Bath main officer of Tibet helical line gear is total to non-circular gear 2 in distress in the middle of the downside, 4 engagements, upper left, wheel shaft 18 in the middle of following, be equipped with upper left on the planet wheel spindle 16,15 of 19 both sides respectively, lower planet Bath main officer of Tibet helical line gear 3,5, upper left, Bath main officer of Tibet helical line gear is total to non-circular gear 2 in distress in the middle of the downside, 4 upper left with separately respectively, 3,5 engagements of downside planet Bath main officer of Tibet helical line gear, upper left, the planet wheel spindle 16 of downside, 15 stretch out left gear box 6 outer ends is fixed with upper left respectively, downside transplant arm parts 10,11; On central shaft 13 right-hand members, the wheel shaft 18 of downside ', 19 ' on be equipped with respectively upper right, the common non-circular gear 2 in distress of downside centre Bath main officer of Tibet helical line gear ', 4 ', right Bath main officer of Tibet helical line gear 1 ' respectively is with upper right, the middle non-circular gear 2 in distress altogether of downside ', 4 ' engagement, upper right, wheel shaft 18 in the middle of following ', the planet wheel spindle 16 of 19 ' both sides ', 15 ' on be equipped with respectively upper left, lower planet Bath main officer of Tibet helical line gear 3 ', 5 ', upper right, the common non-circular gear 2 in distress of downside centre Bath main officer of Tibet helical line gear ', 4 ' respectively upper right with separately, downside planet Bath main officer of Tibet helical line gear 3 ', 5 ' engagement, upper right, the planet wheel spindle 16 of downside ', 15 ' stretch out that left gear box 6 ' an outer end is fixed with upper right respectively, the right transplant arm parts 10 of downside ', 11 '.Two gearcases 6.6 about central shaft 13 drives ', gearcase 6.6 ' be the uniform speed rotation around central shaft, driven left and right planet wheel spindle 16.16 ', 15.15 ' on planet Bath main officer of Tibet helical line gear and left and right in the middle of wheel shaft 18.18 ', 19.19 ' on the common non-circular gear in distress of middle Bath main officer of Tibet helical line gear do non-at the uniform velocity gear motion.Planet Bath main officer of Tibet helical line gear 3.3 ', 5.5 ' relative to gearcase 6.6 ' rotate as variable speed, driven transplant arm 10.10 ' do variable speed to rotate.Transplant arm 10.10 ' absolute movement be transplant arm 10.10 ' relative to the resultant motion of rotating of central shaft 13 and transplant arm 10.10 ' relative gearcase 6.6 ' swing, thereby operating angle satisfies agriculture requirement when optimizing structure the angle of seedling pin when making seedling pin track, seedling taking after the parameter and rice transplanting by Autocad.Seedling pin track latch closure, the seedling pin has the action that recedes and rise after the rice transplanting, has avoided pushing away the seedling phenomenon.Thereby satisfy the agriculture requirement of machine rice transplantation.
Left and right center Bath main officer of Tibet helical line gear 1,1 ', left and right planet Bath main officer of Tibet helical line gear 3,3 ' and another left and right planet Bath main officer of Tibet helical line gear 5,5 ' geometric parameter complete; And in the middle of left and right Bath main officer of Tibet helical line gear altogether non-circular gear 2,2 in distress ' and another left and right in the middle of Bath main officer of Tibet helical line gear altogether non-circular gear 4,4 ' geometric parameter in distress be to determine by center Bath main officer of Tibet helical line gear.
In initial installation site, 3 the Bath main officer of Tibet helical line gears in the transplanting mechanism of both sides and the center of 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear, these 5 pivots all point-blank, and 0 ° and 180 ° 2 s' line overlaps on this straight line and each gear pitch curve.
The modulus of the number of teeth of described 3 Bath main officer of Tibet helical line gears, 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear is all identical, and the pitch curve girth equates.
As Fig. 4, shown in Figure 5, the transplant arm parts are equipped with pulling seedlings device, comprising: cam 20, shift fork 23, push away seedling spring 24, seedling pin 22, transplanting rod 21.Cam 20 relies on flange affixed with gearcase, when planet Bath main officer of Tibet helical line gear when gearcase rotates, drive the transplant arm rotation, affect shift fork 23 to rotate around cam 20, shift fork 23 lifts before seedling taking, and transplanting rod 21 is increased to peak, and compression simultaneously pushes away seedling spring 24; After the seedling taking, during 22 rice transplantings of seedling pin, shift fork 23 goes to cam 20 breach, is in free state, pushes away seedling spring 24 and promotes transplanting rod 21 downward rapid movements, and rice shoot is pushed in the soil, avoids rice shoot to rewind.
Claims (4)
1, a kind of Pascal spiral curve gear planetary transplanting mechanism, it comprises drive disk assembly and transplant arm parts; It is characterized in that: drive disk assembly comprises the drive sprocket (7) that is contained on chain-wheel box (12) intermediate solid drive shaft (8), drive sprocket (7) is connected with center sprocket wheel (14) on being contained in central shaft (13) through chain (9), drive the rotation of central shaft (13), central shaft (13) stretches out on the outer and arranged on left and right sides axle of chain-wheel box (12) and is fixed with left and right gearcase (6 respectively, 6 '), central shaft (13) two ends drive left and right sides gearcase by flat key and do the uniform speed rotation; Central shaft (13) is fixed on the chain-wheel box by left and right flanges (17,17 '), and left and right center Bath main officer of Tibet helical line gear (1,1 ') is fixed in the left and right gearcase (6,6 ') by left and right flanges (17,17 '); A left side, right center Bath main officer of Tibet helical line gear (1,1 ') respectively be packed on central shaft (13) left end, the middle wheel shaft (18 of downside, 19) upper left on, Bath main officer of Tibet helical line gear is total to non-circular gear (2 in distress in the middle of the downside, 4), left side Bath main officer of Tibet helical line gear (1) is respectively with upper left, Bath main officer of Tibet helical line gear is total to non-circular gear (2 in distress in the middle of the downside, 4) engagement, upper left, wheel shaft (18 in the middle of following, 19) planet wheel spindle (16 of both sides, 15) be equipped with upper left on respectively, lower planet Bath main officer of Tibet helical line gear (3,5), upper left, Bath main officer of Tibet helical line gear non-circular gear in distress (2,4) upper left with separately respectively altogether in the middle of the downside, downside planet Bath main officer of Tibet helical line gear (3,5) engagement, upper left, the planet wheel spindle of downside (16,15) stretches out the outer end of left gear box (6) and is fixed with upper left respectively, downside transplant arm parts (10,11); On central shaft (13) right-hand member, the middle wheel shaft of downside (18 ', 19 ') on be equipped with respectively upper right, the common non-circular gear in distress of downside centre Bath main officer of Tibet helical line gear (2 ', 4 '), right Bath main officer of Tibet helical line gear (1 ') is respectively with upper right, the middle non-circular gear in distress altogether of downside (2 ', 4 ') engagement, upper right, wheel shaft in the middle of following (18 ', 19 ') planet wheel spindle of both sides (16 ', 15 ') on be equipped with respectively upper left, lower planet Bath main officer of Tibet helical line gear (3 ', 5 '), upper right, the common non-circular gear in distress of downside centre Bath main officer of Tibet helical line gear (2 ', 4 ') upper right with separately respectively, downside planet Bath main officer of Tibet helical line gear (3 ', 5 ') engagement, upper right, the planet wheel spindle of downside (16 ', 15 ') stretch out the outer end of left gear box (6 ') and be fixed with upper right respectively, the right transplant arm parts of downside (10 ', 11 ').
2, a kind of Pascal spiral curve gear planetary transplanting mechanism according to claim 1, it is characterized in that: described left and right center Bath main officer of Tibet helical line gear (1,1 '), left and right planet Bath main officer of Tibet helical line gear (3,3 ') and another left and right planet Bath main officer of Tibet helical line gear (5,5 ') geometric parameter complete; And left and right centre Bath main officer of Tibet helical line gear is total to non-circular gear in distress (2,2 ') and common non-circular gear in distress (4, the 4 ') geometric parameter of another left and right middle Bath main officer of Tibet helical line gear is to be determined by Bath main officer of Tibet helical line gear.
3, a kind of Pascal spiral curve gear planetary transplanting mechanism according to claim 1, it is characterized in that: in initial installation site, 3 the Bath main officer of Tibet helical line gears in the transplanting mechanism of both sides and the center of 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear, these 5 pivots all point-blank, and 0 ° and 180 ° 2 s' line overlaps on this straight line and each gear pitch curve.
4, a kind of Pascal spiral curve gear planetary transplanting mechanism according to claim 1 is characterized in that: the modulus of the number of teeth of described 3 Bath main officer of Tibet helical line gears, 2 common non-circular gears in distress of centre Bath main officer of Tibet helical line gear is all identical, and the pitch curve girth equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101621121A CN101433139A (en) | 2008-11-24 | 2008-11-24 | Pascal spiral curve gear planetary transplanting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101621121A CN101433139A (en) | 2008-11-24 | 2008-11-24 | Pascal spiral curve gear planetary transplanting mechanism |
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| CN101433139A true CN101433139A (en) | 2009-05-20 |
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| CNA2008101621121A Pending CN101433139A (en) | 2008-11-24 | 2008-11-24 | Pascal spiral curve gear planetary transplanting mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301858A (en) * | 2011-09-08 | 2012-01-04 | 东北农业大学 | Separating planting mechanism of denatured elliptic gear planetary gear train front planting type transplanter |
| CN102379181A (en) * | 2011-09-14 | 2012-03-21 | 浙江理工大学 | Non-circular gear-incomplete non-circular gear planetary gear train aperture disk planetary gear train aperture disk seedling picking mechanism |
| CN111853162A (en) * | 2020-06-15 | 2020-10-30 | 江苏大学 | Two-degree-of-freedom non-constant-speed gear train transplanting mechanism and method |
-
2008
- 2008-11-24 CN CNA2008101621121A patent/CN101433139A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102301858A (en) * | 2011-09-08 | 2012-01-04 | 东北农业大学 | Separating planting mechanism of denatured elliptic gear planetary gear train front planting type transplanter |
| CN102379181A (en) * | 2011-09-14 | 2012-03-21 | 浙江理工大学 | Non-circular gear-incomplete non-circular gear planetary gear train aperture disk planetary gear train aperture disk seedling picking mechanism |
| CN111853162A (en) * | 2020-06-15 | 2020-10-30 | 江苏大学 | Two-degree-of-freedom non-constant-speed gear train transplanting mechanism and method |
| CN111853162B (en) * | 2020-06-15 | 2024-03-19 | 江苏大学 | Two-degree-of-freedom non-constant-speed gear train transplanting mechanism and method |
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Open date: 20090520 |