CN102640602A - Non-conical bevel-gear hybrid transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine - Google Patents
Non-conical bevel-gear hybrid transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine Download PDFInfo
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- CN102640602A CN102640602A CN2012101279126A CN201210127912A CN102640602A CN 102640602 A CN102640602 A CN 102640602A CN 2012101279126 A CN2012101279126 A CN 2012101279126A CN 201210127912 A CN201210127912 A CN 201210127912A CN 102640602 A CN102640602 A CN 102640602A
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Abstract
The utility model discloses a non-conical bevel-gear hybrid transmission wide-row and narrow-row transplanting mechanism for a walking type rice transplanting machine. In a transmission box, power is transmitted to a central shaft through a chain or a bevel gear, gear boxes with an identical internal transmission structure are fixed at shaft ends on two sides of the central shaft, and central gears in the gear boxes are fixed on the transmission box through tooth-embedded type flanges and are in meshed transmission with an intermediate gear fixedly installed on an intermediate shaft, so that an intermediate non-conical bevel gear coaxially installed with the intermediate gear is driven to rotate. The intermediate non-conical bevel gear is meshed with a planet non-conical bevel gear, and a planting arm component is fixed at one end of a planet shaft extending out of the gear boxes. The intermediate shaft and the central shaft form a stagger angle or are parallel to each other, the shaft angle between the planet shaft and the intermediate shaft is an included angle unequal to 90 degrees, so that after a seedling is taken by a seedling needle positioned on the planting arm, a seedling transplanting point of the seedling needle is shifted for a corresponding distance leftwards or rightwards relative to a seedling taking point, and the agricultural requirements for wide-row and narrow-row seedling transplanting are achieved.
Description
Technical field
The present invention relates to a kind of agricultural machinery, especially relate to the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine mixed drive width that is applicable to the capable rice transplanting requirement of walk-behind type paddy-field work machine width.
Background technology
The capable rice transplanting of width is meant that the line space of rice transplanter carries out one wide one narrow planting patterns, and this planting patterns is utilized the raising the output principle of crop limit advantage, through the line space of adjustment rice transplanting; Improve ventilation, light transmittance between plant; Alleviate disease, increase leaf area index, prolong leaf longevity; Quicken dry-matter accumulation, thereby reach the purpose of good quality and high output, cost-saving synergistic.
The capable transplanting mechanism of width is to realize seedling taking on the rice transplanter, implant Tanaka, make rice shoot become the parts of wide-narrow row planting.Patent of the present invention adopts non-circular cone bevel gear to realize the requirement of the capable rice transplanting of width; Through regulating the crossed axis angle between central gear and idler gear helical angle or non-circular cone bevel gear shaft of planet and the middle non-circular cone bevel gear shaft; Optimize the associated mechanisms parameter, can design the capable transplanting mechanism of width that satisfies different type of machines, the capable agriculture requirement of different width.
Summary of the invention
The purpose of this invention is to provide the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine mixed drive width, can realize the capable operation of width and be applicable to the walk-behind type paddy-field work machine transplanting mechanism.
In order to achieve the above object, the technical scheme of the present invention's employing is:
In chain-wheel box, power is delivered on the sprocket wheel of center through chain by the drive sprocket that is contained on the drive sprocket axle, and the center sprocket wheel is fixed on the central shaft, and the central shaft two axial ends is fixed with the identical left and right gear-box of inner drive mechanism respectively; Left and right centre tooth bye in the left and right gear-box is enclosed within on the central shaft two axial ends; Be fixedly connected through left and right castellated flange and chain-wheel box; Left and right central gear respectively be packed in left and right separately jackshaft on left and right idler gear be meshed; Left and right idler gear drives respectively with the non-circular cone bevel gear in the coaxial mounted left and right centre of left and right idler gear and rotates; The non-circular cone bevel gear in left and right centre respectively be packed in left and right planet axis on the non-circular cone bevel gear of left and right planet be meshed, the end that left and right planet axis is stretched out left and right gear-box is fixed with left and right transplant arm.
Left and right central gear in the described left and right gear-box, left and right idler gear, the relative position triangularity in the axle center of non-circular cone bevel gear in left and right centre and the non-circular cone bevel gear three shaft gear planetary systems of left and right planet is arranged.
Described left and right jackshaft and central shaft interlaced arrangement; One angle
is arranged or be and be arranged in parallel; When oblique gear spiral angle
is zero; Be that helical gear deteriorates to spur gear or middle and center oblique gear spiral angle
equal and opposite in direction; Rotation direction is opposite, and the crossed axis angle between described left and right planet axis and the left and right jackshaft is the angle
that is not equal to 90 degree apart from agriculture requirement according to corresponding width every trade.
Left and right central gear in the described left and right transmission case, left and right idler gear is angular gear.
Left and right central gear in the described left and right transmission case is an angular gear, and left and right idler gear is a straight-tooth gear.
Left and right central gear in the described left and right transmission case is a straight-tooth gear, and left and right idler gear is an angular gear.
Left and right central gear in the described left and right transmission case, left and right idler gear is straight-tooth gear.
Left and right central gear in the described left and right transmission case, left and right idler gear are elliptic gear, non-circular gear, eccentric gear, off-centre-non-circular gear or positive Knucle-gear.
Described elliptic gear is single order elliptic gear, single order sex change elliptic gear, high order elliptic gear or high-order sex change elliptic gear.
The invention has the beneficial effects as follows:
It is non-at the uniform velocity than the space drive characteristic of transmission and bevel gear that non-circular cone bevel gear is taken into account high-order sex change elliptic gear; Central gear and idler gear interleaved are arranged
angle layout or are arranged in parallel; Crossed axis angle between non-circular cone bevel gear of planet and the middle non-circular cone bevel gear is a little angle
that is not equal to 90 degree; Make transplant arm seedling pin after seedling taking; Its rice transplanting point is with respect to the seedling taking point respective that squints to the left or to the right; Make institute's rice transplanting seedling line-spacing become width to change; Realize the agriculture requirement of the capable rice transplanting of width; Change
, the size of crossed axis angle
of oblique gear spiral angle, this transplanting mechanism can satisfy the capable agriculture requirement of different width.
Transplanting mechanism of the present invention adopts helical teeth alternation sum elliptic cone gear mixed drive mechanism, and is littler at the side-play amount a of seedling taking section when making the seedling taking of seedling pin, more helps evenly taking out more the rice shoot near square, and it is littler to make that seedling is directed against the injury of rice shoot and seedling root; Can access less rice transplanting vesicle mouth, rice shoot is difficult for lodging after the rice transplanting, more helps the orthostatic of rice shoot.
Description of drawings
Fig. 1 is a structural principle sketch map of the present invention.
Fig. 2 is a transplant arm cut-away view of the present invention.
Fig. 3 is the planetary gear transmission sketch map of projection in axial direction of the present invention.
Fig. 4 is a planetary gear transmission stereogram of the present invention.
Fig. 5 is the non-circular cone bevel gear of planet of the present invention and middle non-circular cone bevel gear, central gear transmission layout drawing, and the crossed axis angle between non-circular cone bevel gear of planet and the middle non-circular cone bevel gear is represented at
angle among the figure.
Fig. 6 is central gear of the present invention and the idler gear travelling gear figure when one alternate angle is arranged, and the alternate angle between jackshaft and the center is represented at
angle among the figure.
Fig. 7 be the present invention be installed in that pair of right and left transplanting mechanism on the same chain-wheel box forms push away seedling point apart from principle schematic at rice transplanter direction of advance rice transplanting track greater than seedling door spacing.
Fig. 8 be the present invention be installed in that adjacent on the adjacent chain roller box two transplanting mechanisms form push away seedling point apart from principle schematic at rice transplanter direction of advance rice transplanting track less than seedling door spacing.
Fig. 9 is that the present invention forms " dolphin type " quiet trajectory diagram.
Figure 10 is the course deviation amount sketch map of seedling pin of the present invention in the seedling taking section, among the figure
aDuring the seedling taking of expression seedling pin in the course deviation amount of seedling taking section.
Among the figure: 1. center sprocket wheel, 2. central shaft, 3. right castellated flange, 3 ＇. left castellated flange, 4. right central gear, 4 ＇. the LC gear; 5. right gear case, 5 ＇. left gear case, 6. right idler gear, 6 ＇. left idler gear, 7. right jackshaft, 7 ＇. left jackshaft; 8. non-circular cone bevel gear 1,8 ＇ in the middle of right. non-circular cone bevel gear 1 in the middle of the left side, the 9. non-circular cone bevel gear of right lateral star, 9 ＇. the non-circular cone bevel gear of left lateral star, 10. right planet axis; 10 ＇. left planet axis, 11. right transplant arms, 11 ＇. left transplant arm, 12. chains, 13. drive sprockets; 14. drive sprocket axle, 15. chain-wheel boxs,, 16. cams, 17. shift forks; 18. transplanting rod, 19. springs, 20. seedling doors, 21. direction of advance rice transplanting tracks, 22. ground.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
Like Fig. 1, shown in Figure 2; In chain-wheel box 15; Power is delivered on the center sprocket wheel 1 through chain 12 by the drive sprocket 13 that is contained on the drive sprocket axle 14, and center sprocket wheel 1 is fixed on the central shaft 2, and central shaft 2 two axial ends are fixed with identical left and right gear-box 5 ＇, 5 of inner drive mechanism respectively; Left and right central gear 4 ＇, 4 skies in left and right gear-box 5 ＇, 5 are enclosed within on central shaft 2 two axial ends; Through left and right castellated flange 3 ＇, 3 and chain-wheel box 15 be fixedly connected; Left and right central gear 4 ＇, 4 respectively be packed in left and right separately jackshaft 7 ＇, 7 on left and right idler gear 6 ＇, 6 be meshed; Left and right idler gear 6 ＇, 6 drive respectively with left and right idler gear 6 ＇, non-circular cone bevel gear 8 ＇ in 6 coaxial mounted left and right centres, 8 and rotate; Non-circular cone bevel gear 8 ＇ in left and right centre, 8 respectively be packed in left and right planet axis 10 ＇, 10 on the non-circular cone bevel gear of left and right planet take turns 9 ＇, 9 and be meshed, left and right planet axis 10 ＇, 10 stretch out left and right gear-box 5 ＇, an end of 5 is fixed with left and right transplant arm 11 ＇, 11.Left and right transplant arm 11 ＇, 11 absolute movement are left and right planet high-order sex change elliptic cone gear 9 ＇, 9 left and right relatively gear-box 5 ＇, 5 non-uniform rotation and left and right gear-box 5 ＇, 5 resultant motions around the circular motion of central shaft 2.
As shown in Figure 3; Left and right central gear 4 ＇, 4 in described left and right gear-box 5 ＇, 5; Left and right idler gear 6 ＇, 6, the non-circular cone bevel gear in left and right centre take turns 8 ＇, 8 and the relative position triangularity in the axle center of non-circular cone bevel gear 9 ＇ of left and right planet, 9 three shaft gear planetary systems arrange.
Like Fig. 4, Fig. 5, shown in Figure 6; Described left and right jackshaft 7 ＇, 7 and central shaft 2 interlaced arrangement; One angle
is arranged or be and be arranged in parallel; When oblique gear spiral angle
is zero; Be that helical gear deteriorates to spur gear or middle and center oblique gear spiral angle
equal and opposite in direction; Rotation direction is opposite, described left and right planet axis 10 ＇, 10 and left and right jackshaft 7 ＇, the crossed axis angle between 7 be the angle
that is not equal to 90 degree apart from agriculture requirement according to corresponding width every trade.
Left and right central gear 4 ＇, 4 in described left and right transmission case 5 ＇, 5, left and right idler gear 6 ＇, 6 are angular gear.
Left and right central gear 4,4 ＇ in described left and right transmission case 5 ＇, 5 are angular gear, and left and right idler gear 6 ＇, 6 are straight-tooth gear.
Left and right central gear 4 ＇, 4 in described left and right transmission case 5 ＇, 5 are straight-tooth gear, and left and right idler gear 6 ＇, 6 are angular gear.
Left and right central gear 4 ＇, 4 in described left and right transmission case 5 ＇, 5, left and right idler gear 6 ＇, 6 are straight-tooth gear.
Left and right central gear 4 ＇, 4 in described left and right transmission case 5 ＇, 5, left and right idler gear 6,6 ＇ are elliptic gear, non-circular gear, eccentric gear, off-centre-non-circular gear or positive Knucle-gear.
Described elliptic gear is single order elliptic gear, single order sex change elliptic gear, high order elliptic gear or high-order sex change elliptic gear.
Like Fig. 3, Fig. 4, Fig. 5, shown in Figure 6; With the gears in the right gear case 5 be example explain left and right central gear 4 ＇, 4 with left and right idler gear 6 ＇, 6, non-circular cone bevel gear 9 ＇ of left and right planet, 9 and non-circular cone bevel gear 8 ＇ in left and right centre, the installation between 8 concern.Right central gear 4 can be all identical helical gear of helical angle size and rotation direction with right idler gear 6 simultaneously, also can be simultaneously straight-tooth gear perhaps one of them is a helical gear, one is spur gear, jackshaft and central shaft interleaved layout or be arranged in parallel; Crossed axis angle between right planet axis 10 and the right jackshaft 7; And be not equal between the common bevel gear crossed axis angle of 90 degree; But a little angle
also is that the crossed axis angle between non-circular cone bevel gear 9 of right lateral star and right middle non-circular cone bevel gear 8 large end faces is a little angle
that is not equal to 90 degree.Can form the capable seedling needle point point of different width movement locus through regulating right central gear 4 with the non-circular cone bevel gear 9 of helical angle, right lateral star of right idler gear 6 and the crossed axis angle between the right middle non-circular cone bevel gear 8; As shown in Figure 7; Narrow for being installed in the track seedling taking point that the pair of right and left transplanting mechanism forms on the same chain-wheel box, rice transplanting point is wide; It is wideer than pushing away seedling point to be illustrated in figure 8 as the track seedling taking point distance that is installed in two adjacent on adjacent chain roller box transplanting mechanisms formation; Among Fig. 7, Fig. 8
lBe rice transplanting cave mouth, the present invention can access less rice transplanting cave mouth; Fig. 9 is the quiet trajectory diagram of side-looking " dolphin type " that the present invention forms; Shown in figure 10, littler during seedling pin seedling taking of the present invention at the rice transplanting track 21 side-play amount a of seedling door 20 places seedling taking section, help evenly taking out the rice shoot of more approximate square, and it is littler to make that seedling is directed against the injury of rice shoot and seedling root.
Operation principle of the present invention is:
Transplanting mechanism power is delivered on the center sprocket wheel 1 through chain 12 by the drive sprocket 13 in the rice transplanter chain-wheel box 15; Driving central shaft 2 rotates; Central shaft 2 drives left and right gear-box 5 ＇, 5 and rotates; In left and right gear-box 5 ＇, 5; Sky is enclosed within on the central shaft 2 with chain-wheel box 15 fixing left and right central gear 4 ＇, 4 and meshes with left and right idler gear 6 ＇, 6; Non-circular cone bevel gear 8 ＇ in left and right centre, 8 with left and right idler gear 6 ＇, 6 coaxial installations; And with non-circular cone bevel gear 9 ＇ of left and right planet, 9 engagements, non-circular cone bevel gear 9 ＇ of left and right planet, 9 are to be not equal to the 90 little angles
spent with non-circular cone bevel gear 8 ＇ in left and right centre, the crossed axis angle between 8.When non-circular cone bevel gear 9 ＇ of left and right planet, 9 rotate with left and right planet axis 10 ＇, 10 left and right relatively gear-box 5 ＇, 5; Driving left and right transplant arm 11 ＇, 11 rotates; Because non-circular cone bevel gear 9 ＇ of left and right planet, 9 are with non-circular cone bevel gear 8 ＇ in left and right centre, the crossed axis angle between 8 and be not equal to 90 and spend; Therefore left and right transplant arm 11 ＇, 11 rotational plane and left and right gear-box 5 ＇, 5 rotational plane are not parallel planes; The angle that becomes
; Seedling pin on left and right like this transplant arm 11 ＇, 11 is after seedling taking, and its rice transplanting point is with respect to the seedling taking point respective that squints to the left or to the right.Left and right transplant arm 11 ＇, 11 rotation make left and right shift fork 17 ＇, 17 around fixing left and right cam 16 ＇, 16 (being fixed on left and right gear-box 5 ＇, 5) swing; Left and right shift fork 17 ＇, 17 lift through left and right cam 16 ＇, ascent stage of 16 before seedling taking; Left and right transplanting rod 18,18 ＇ are increased to peak, and compression simultaneously pushes away seedling spring 19 ＇, 19; Before rice transplanting, left and right shift fork 17 ＇, 17 are in left and right cam 16 ＇, 16 extreme higher position keeps section in seedling taking; When seedling pawl arrival rice transplanting position, shift fork 17 ＇, 17 go to cam 16 ＇, 16 breach, push away seedling spring 19 ＇, 19 returns promotion transplanting rod, 19 ＇, 19 downward rapid movements, and it is in the soil that rice shoot is pushed ground 22.Thereby order has been accomplished seedling taking, the rice transplanting action of rice seedling, realizes the capable transplanting of mechanization width of rice seedling.
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 (9)
1. capable transplanting mechanism of the non-circular cone bevel gear of walk-behind type paddy-field work machine mixed drive width; In chain-wheel box (15); Power is delivered on the center sprocket wheel (1) through chain (12) by the drive sprocket (13) that is contained on the drive sprocket axle (14); Center sprocket wheel (1) is fixed on the central shaft (2), and central shaft (2) two axial ends is fixed with the identical left and right gear-box of inner drive mechanism (5 ＇, 5) respectively; It is characterized in that: left and right central gear (4 ＇, the 4) sky in the left and right gear-box (5 ＇, 5) is enclosed within on central shaft (2) two axial ends; Be fixedly connected through left and right castellated flange (3 ＇, 3) and chain-wheel box (15); Left and right central gear (4 ＇, 4) respectively be packed in left and right separately jackshaft (7 ＇, 7) on left and right idler gear (6 ＇, 6) be meshed; Left and right idler gear (6 ＇, 6) drives respectively with the non-circular cone bevel gear in the coaxial mounted left and right centre of left and right idler gear (6 ＇, 6) (8 ＇, 8) and rotates; The non-circular cone bevel gear in left and right centre (8 ＇, 8) respectively be packed in left and right planet axis (10 ＇, 10) on the non-circular cone bevel gear of left and right planet (9 ＇, 9) be meshed, the end that left and right planet axis (10 ＇, 10) is stretched out left and right gear-box (5 ＇, 5) is fixed with left and right transplant arm (11 ＇, 11).
2. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4 ＇, 4) in the described left and right gear-box (5 ＇, 5); Left and right idler gear (6 ＇, 6), the relative position triangularity in the axle center of non-circular cone bevel gear in left and right centre (8 ＇, 8) and the non-circular cone bevel gear of left and right planet (9 ＇, 9) three shaft gear planetary systems is arranged.
3. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: described left and right jackshaft (7 ＇, 7) and central shaft (2) interlaced arrangement; One angle
is arranged or be to be arranged in parallel, the crossed axis angle between described left and right planet axis (10 ＇, 10) and the left and right jackshaft (7 ＇, 7) is the angle
that is not equal to 90 degree apart from agriculture requirement according to corresponding width every trade.
4. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4 ＇, 4) in the described left and right transmission case (5 ＇, 5), left and right idler gear (6 ＇, 6) is angular gear.
5. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4,4 ＇) in the described left and right transmission case (5 ＇, 5) is an angular gear, and left and right idler gear (6 ＇, 6) is a straight-tooth gear.
6. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4 ＇, 4) in the described left and right transmission case (5 ＇, 5) is a straight-tooth gear, and left and right idler gear (6 ＇, 6) is an angular gear.
7. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4 ＇, 4) in the described left and right transmission case (5 ＇, 5), left and right idler gear (6 ＇, 6) is straight-tooth gear.
8. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 1 mixed drive width; It is characterized in that: the left and right central gear (4 ＇, 4) in the described left and right transmission case (5 ＇, 5), left and right idler gear (6,6 ＇) are elliptic gear, non-circular gear, eccentric gear, off-centre-non-circular gear or positive Knucle-gear.
9. the capable transplanting mechanism of the non-circular cone bevel gear of a kind of walk-behind type paddy-field work machine according to claim 8 mixed drive width is characterized in that: described elliptic gear is single order elliptic gear, single order sex change elliptic gear, high order elliptic gear or high-order sex change elliptic gear.
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| CN102640607A (en) * | 2012-04-27 | 2012-08-22 | 浙江理工大学 | Elliptic bevel-gear hybrid transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine |
| CN103404279A (en) * | 2013-07-24 | 2013-11-27 | 浙江理工大学 | Wide-narrow row transplanting mechanism for two-stage conjugation non-conic bevel gear of high-speed rice transplanter |
| CN103430667A (en) * | 2013-07-24 | 2013-12-11 | 浙江理工大学 | Two-level non-conical bevel-gear transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine |
| CN110173542A (en) * | 2018-02-19 | 2019-08-27 | 亿迈齿轮两合股份公司 | Support the bearing assembly and its manufacturing method of the helical gear shaft of helical planet gear |
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| CN102640607A (en) * | 2012-04-27 | 2012-08-22 | 浙江理工大学 | Elliptic bevel-gear hybrid transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine |
| CN103404279A (en) * | 2013-07-24 | 2013-11-27 | 浙江理工大学 | Wide-narrow row transplanting mechanism for two-stage conjugation non-conic bevel gear of high-speed rice transplanter |
| CN103430667A (en) * | 2013-07-24 | 2013-12-11 | 浙江理工大学 | Two-level non-conical bevel-gear transmission wide-row and narrow-row transplanting mechanism for walking type rice transplanting machine |
| CN110173542A (en) * | 2018-02-19 | 2019-08-27 | 亿迈齿轮两合股份公司 | Support the bearing assembly and its manufacturing method of the helical gear shaft of helical planet gear |
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