CN202617668U - Wide-row and narrow-row transplanting mechanism with eccentric-noncircular bevel gears for high-speed rice transplanting machine - Google Patents

Abstract

The utility model discloses an eccentric-non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter. In the transmission box, the power is transmitted to the central shaft through the chain or the bevel gear. The two shaft ends of the central shaft are fixed with a gearbox with the same internal transmission structure. It is arranged in a staggered meshing arrangement with the intermediate gear fixed on the intermediate shaft, and drives the intermediate eccentric bevel gear installed coaxially with the intermediate gear to rotate. The intermediate eccentric bevel gear meshes with the planetary non-conical bevel gear, and the end of the planetary shaft extending out of the gearbox is fixed There are planting arm parts. The intermediate axis and the central axis are staggered at an angle Arranged or arranged in parallel, and the shaft angle between the planetary shaft and the intermediate shaft is an angle not equal to 90 degrees , so that after the seedling needle on the planting arm takes seedlings, its transplanting point is shifted to the left or right by a corresponding distance relative to the seedling picking point, so as to realize the agronomic requirements for wide and narrow rows of seedlings.

Description

An eccentric-non-conical bevel gear wide and narrow row splitting mechanism for high-speed rice transplanter

technical field

The utility model relates to an agricultural machine, in particular to an eccentric non-conical bevel gear wide and narrow row splitting mechanism of a high-speed rice transplanter suitable for the requirements of wide and narrow row rice transplanting of the high-speed rice transplanter. the

Background technique

Wide and narrow row transplanting means that the row spacing of the rice transplanter is one wide and one narrow. This planting method uses the principle of crop marginal advantage to increase production. By adjusting the row spacing of transplanting, the ventilation and light transmittance between plants can be improved, and diseases can be reduced. , increase the leaf area index, prolong the life of the leaves, accelerate the accumulation of dry matter, so as to achieve the purpose of high quality, high yield, cost saving and efficiency increase. the

The wide and narrow row splitting mechanism is a part on the rice transplanter that realizes taking seedlings, implanting them in the field, and planting the seedlings in wide and narrow rows. The utility model patent adopts helical gears, eccentric bevel gears, and non-conical bevel gears to realize the requirements of wide and narrow rows of seedlings, by adjusting the helix angle between the central gear and the intermediate gear or the shaft angle between the planetary non-conical bevel gear shaft and the intermediate eccentric bevel gear shaft , optimize the relevant mechanism parameters, and design a wide and narrow row insertion mechanism that meets the agronomic requirements of different models and different width and narrow rows. the

Contents of the invention

The purpose of the utility model is to provide an eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter, which can realize wide and narrow row operation and is suitable for the high-speed rice transplanter splitting mechanism. the

In order to achieve the above object, the technical solution adopted by the utility model is:

In the transmission box, the power is transmitted from the drive sprocket mounted on the drive sprocket shaft to the center sprocket through the chain. The center sprocket is fixed on the center shaft. , Right gear box; the internal transmission structure of the right gear box is: the right central gear is vacantly sleeved on the right side of the central shaft, fixedly connected to the transmission box through the right tooth embedded flange, and the right central gear is respectively fixed in the lower right middle The lower right intermediate gear on the shaft meshes with the upper right intermediate gear fixed on the upper right intermediate shaft, the lower right intermediate gear drives the lower right intermediate eccentric bevel gear coaxially installed with the lower right intermediate gear to rotate, and the upper right intermediate gear drives the upper right intermediate gear to rotate with the upper right intermediate gear The upper right middle eccentric bevel gear installed coaxially with the middle gear rotates, the lower right middle eccentric bevel gear meshes with the lower right planetary non-conical bevel gear fixed on the lower right planetary shaft, and the upper right middle eccentric bevel gear meshes with the upper right planetary shaft The upper right planetary non-conical bevel gears on the shaft are engaged, and the ends of the lower right planetary shaft and the upper right planetary shaft extending out of the right gear box are fixedly connected with the lower right planting arm and the upper right planting arm respectively.

The relative positions of the right central gear, the lower right and upper right intermediate gears, the lower right and upper right intermediate eccentric bevel gears and the lower right and upper right planetary non-conical bevel gears in the right gearbox are in a straight line Arranged in a shape or in a triangular arrangement symmetrical to the axis of the sun gear. the

或呈平行布置，所述的右下、右上行星轴与右下、右上中间轴之间的轴交角根据相应的宽窄行行距农艺要求为不等于90度的夹角

。  The lower right and upper right intermediate axes and the central axis are arranged in a staggered angle

Or arranged in parallel, the axis intersection angle between the lower right and upper right planetary axes and the lower right and upper right intermediate axes is an included angle not equal to 90 degrees according to the corresponding wide and narrow row spacing agronomic requirements

.

The right central gear, lower right and upper right intermediate gears in the right gear box are all helical gears. the

The right central gear in the right gear box is a helical gear, and the lower right and upper right intermediate gears are spur gears. the

The right central gear in the right gear box is a spur gear, and the lower right and upper right intermediate gears are helical gears. the

The right central gear in the right gear box is a spur gear, and the lower right and upper right intermediate gears are spur gears. the

The right central gear, lower right and upper right intermediate gears in the right gear box are elliptical gears, non-circular gears, eccentric gears or eccentric-non-circular gears, and right circular gears. the

The elliptical gear is a first-order elliptical gear, a first-order modified elliptical gear, a higher-order elliptical gear or a higher-order modified elliptical gear. the

The beneficial effects that the utility model has are:

角布置或平行布置，行星非圆锥锥齿轮与中间偏心锥齿轮之间的轴交角为不等于90度的一个小角

，使得栽植臂秧针在取秧后，其插秧点相对于取秧点向左或向右偏移相应距离，使得所插秧苗行距成宽窄变化，实现宽窄行插秧的农艺要求，改变斜齿轮螺旋角

、轴交角

的大小，该分插机构可以满足不同的宽窄行农艺要求。 Eccentric bevel gears and non-conical bevel gears take into account the non-uniform speed ratio transmission of eccentric gears and non-circular gears and the space transmission characteristics of bevel gears, and the central gear and intermediate gear are arranged in a staggered manner

Angle arrangement or parallel arrangement, the axis intersection angle between the planetary non-conical bevel gear and the intermediate eccentric bevel gear is a small angle not equal to 90 degrees

, so that after the seedling needle of the planting arm takes seedlings, the transplanting point is shifted to the left or right by the corresponding distance relative to the seedling picking point, so that the row spacing of the transplanted seedlings is changed into width and narrowness, and the agronomic requirements of wide and narrow row transplanting are realized. Change the helical gear helical horn

, axis angle

The size of the extension and insertion mechanism can meet the agronomic requirements of different width and narrow rows.

The splitting mechanism of the utility model adopts a helical gear interlaced and a hybrid transmission mechanism of eccentric bevel gears and non-conical bevel gears, so that the offset a of the seedling picking section is smaller when the seedling needles take seedlings, and it is more conducive to evenly taking out seeds that are closer to the square. The seedlings have less damage to the seedlings and the roots of the seedlings; smaller holes for transplanting the seedlings can be obtained, and the seedlings are not easy to fall down after the seedlings are transplanted, which is more conducive to the uprightness of the seedlings. the

Description of drawings

Fig. 1 is the structural principle schematic diagram of the utility model. the

Fig. 2 is a diagram of the internal structure of the planting arm of the present invention. the

Fig. 3 is a schematic diagram of planetary gear transmission projected along the axial direction of the present invention. the

Fig. 4 is a three-dimensional view of the planetary gear transmission of the present invention. the

角表示行星非圆锥锥齿轮和中间偏心锥齿轮之间的轴交角。  Fig. 5 is the transmission layout diagram of the planetary non-conical bevel gear and the intermediate eccentric bevel gear of the present utility model, in the figure

Angle represents the shaft intersection angle between the planetary non-conical bevel gear and the intermediate eccentric bevel gear.

Fig. 6 is the transmission gear diagram when the central gear and the intermediate gear of the present utility model have a staggered angle, among the figure Angle represents the angle of intersection between the middle axis and the center.

Fig. 7 is a schematic diagram of the principle that the distance between the pushing point of the seedling trajectory in the forward direction of the rice transplanter is greater than the distance between the seedling doors, which is formed by a pair of left and right sub-planting mechanisms installed on the same transmission box of the utility model. the

Fig. 8 is a schematic diagram of the principle that the distance between the pushing points of the seedling trajectory in the forward direction of the rice transplanter is smaller than the distance between the seedling doors formed by the two adjacent sub-planting mechanisms installed on the adjacent transmission boxes of the present invention. the

Fig. 9 is a left side view of the rice transplanting track formed by the utility model. the

Fig. 10 is a schematic diagram of the trajectory offset of the seedling needle in the seedling-taking section of the present invention, in which a represents the trajectory offset of the seedling-taking section when the seedling needle is picking seedlings.

In the figure: 1. Center sprocket, 2. Central shaft, 3. Right toothed flange, 3'. Left toothed flange, 4. Right lower intermediate gear 1, 4'. Left lower intermediate gear, 5. Lower right planetary shaft, 5'. Lower left planetary shaft, 6. Lower right planetary non-conical bevel gear, 6'. Lower left planetary non-conical bevel gear, 7. Lower right planting arm, 7'. Lower left planting arm, 8. Lower right Middle eccentric bevel gear, 8'. Lower left middle eccentric bevel gear, 9. Right lower middle shaft, 9'. Left lower middle shaft, 10. Right upper middle shaft, 10'. Left upper middle shaft, 11. Right upper middle gear, 11'. Upper left intermediate gear, 12. Upper right intermediate eccentric bevel gear, 12'. Upper left intermediate eccentric bevel gear, 13. Upper right planetary shaft, 13' upper left planetary shaft, 14. Upper right planetary non-conical bevel gear, 14'. Upper left planetary non-conical cone Gear, 15. Right upper planting arm, 15'. Left upper planting arm, 16. Right gear box, 16'. Left gear box, 17. Right central gear, 17'. Left central gear, 18. Chain, 19. Driving sprocket , 20. drive sprocket shaft, 21. transmission box, 22. cam, 23. shift fork, 24. seedling pusher bar, 25. spring, 26. seedling door, 27. rice transplanting track, 28. ground. the

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described. the

As shown in Figure 1 and Figure 2, in the transmission box 21, the power is transmitted to the center sprocket 1 by the drive sprocket 19 mounted on the drive sprocket shaft 20 through the chain 18, and the center sprocket 1 is fixed on the center shaft 2 Above, the two shaft ends of the central shaft 2 are respectively fixed with left and right gear boxes 16' and 16 with the same internal transmission structure; The right central gear 17 is connected with the right lower intermediate gear 4 fixedly mounted on the right lower intermediate shaft 9 and the right upper intermediate gear 11 fixedly mounted on the right upper intermediate shaft 10 through the right tooth embedded flange 3 and the transmission case 21. meshing, the lower right intermediate gear 4 drives the lower right intermediate eccentric bevel gear 8 coaxially installed with the lower right intermediate gear 4 to rotate, and the upper right intermediate gear 11 drives the upper right intermediate eccentric bevel gear 12 coaxially installed with the upper right intermediate gear 11 to rotate, The lower right middle eccentric bevel gear 8 meshes with the lower right planetary non-conical bevel gear 6 fixed on the lower right planetary shaft 5, and the upper right middle eccentric bevel gear 12 meshes with the upper right planetary non-conical cone fixedly mounted on the upper right planetary shaft 13. The gears 14 are meshed, and one end of the lower right planetary shaft 5 and the upper right planetary shaft 13 extending out of the right gear box 16 is fixedly connected with the lower right planting arm 7 and the upper right planting arm 15 respectively. The absolute motion of the upper right planting arm 15 and the lower right planting arm 7 is the non-uniform rotation of the upper right planetary non-conical bevel gear 14 and the lower right planetary non-conical bevel gear 6 relative to the right gear box 16 and the circumference of the right gear box 16 around the central axis 2 Synthetic movement of movement. the

As shown in Figure 3, the right central gear 17 in the right gearbox 16, the lower right and upper right intermediate gears 4,11, the lower right and upper right middle eccentric bevel gears 8,12 and the lower right and upper right planetary non-conical cones The relative positions of the axes of the gears 6 and 14 in the five-axis gear planetary system are arranged in a straight line or in a triangle that is symmetrical to the axis of the sun gear. the

。  As shown in Fig. 4, Fig. 5 and Fig. 6, the lower right and upper right intermediate axes 9, 10 and the central axis 2 form an included angle arranged in a staggered manner Or arranged in parallel, the axis intersection angle between the lower right and upper right planetary shafts 5 and 13 and the lower right and upper right intermediate shafts 9 and 10 is an included angle not equal to 90 degrees according to the corresponding width and narrow row spacing agronomic requirements

.

The right central gear 17, lower right and upper right intermediate gears 4, 11 in the described right gear box 16 are all helical gears. the

The right central gear 17 in the described right gear box 16 is a helical gear, and the lower right and upper right intermediate gears 4, 11 are spur gears. the

The right central gear 17 in the described right gear box 16 is a spur gear, and the lower right and upper right intermediate gears 4, 11 are helical gears. the

The right central gear 17 in the described right gear box 16 is a spur gear, and the lower right and upper right intermediate gears 4, 11 are spur gears. the

The right central gear 17, lower right and upper right intermediate gears 4, 11 in the described right gear box 16 are elliptical gears, noncircular gears, eccentric gears or eccentric-noncircular gears, and right circular gears. the

The elliptical gear is a first-order elliptical gear, a first-order modified elliptical gear, a higher-order elliptical gear or a higher-order modified elliptical gear. the

，也即右上行星非圆锥锥齿轮14、右下行星非圆锥锥齿轮6与右上中间偏心锥齿轮12、右下中间偏心锥齿轮8大端面之间的轴交角为不等于90度的一个小角

。通过调节右中心齿轮17与右上中间齿轮11、右下中间齿轮4的螺旋角、右上行星非圆锥锥齿轮14、右下行星非圆锥锥齿轮6和右上中间偏心锥齿轮12、右下中间偏心锥齿轮8之间的轴交角可以形成不同的宽窄行秧针尖点运动轨迹，如图7所示，为安装在同一传动箱上左右一对分插机构形成的轨迹取秧点窄，插秧点宽；图8所示为安装在相邻传动箱上相邻的两个分插机构形成的轨迹取秧点距离比推秧点宽；图9所示为是本实用新型形成的插秧轨迹侧视图；如图10所示，本实用新型秧针取秧时在秧门26处取秧段的插秧轨迹27偏移量a更小，有利于均匀取出更近似方块的秧苗，且使得秧针对秧苗和秧根的伤害更小。  As shown in Figure 3, Figure 4, Figure 5, and Figure 6, the gears in the right gearbox 16 are taken as an example to illustrate the left central gear 17', the right central gear 17, the upper left intermediate gear 11', the lower left intermediate gear 4', the upper right Intermediate gear 11, lower right intermediate gear 4, upper left planetary non-conical bevel gear 14', left lower planetary non-conical bevel gear 6', right upper planetary non-conical bevel gear 14, right lower planetary non-conical bevel gear 6 and left upper middle eccentric bevel gear 12 ', the installation relationship between the lower left middle eccentric bevel gear 8 ', the upper right middle eccentric bevel gear 12, and the lower right middle eccentric bevel gear 8. The right central gear 17 and the upper right intermediate gear 11 and the lower right intermediate gear 4 are staggered or arranged in parallel, and the shaft intersection angle between the upper right planetary shaft 13, the lower right planetary shaft 5, the upper right intermediate shaft 10, and the lower right intermediate shaft 9, and Not equal to the 90-degree shaft angle between the common bevel gears, but a small angle

, that is, the shaft intersection angle between the upper right planetary non-conical bevel gear 14, the right lower planetary non-conical bevel gear 6, the upper right middle eccentric bevel gear 12, and the large end faces of the right lower middle eccentric bevel gear 8 is a small angle not equal to 90 degrees

. By adjusting the helix angle of the right central gear 17 and the upper right intermediate gear 11, the lower right intermediate gear 4, the upper right planetary non-conical bevel gear 14, the lower right planetary non-conical bevel gear 6 and the upper right intermediate eccentric bevel gear 12, the lower right intermediate eccentric bevel The shaft angle between the gears 8 can form different width and narrow row seedling needle point motion tracks, as shown in Figure 7, the track formed by the left and right pair of sub-insertion mechanisms installed on the same transmission box is narrow and wide; Figure 8 shows that the distance between the two adjacent sub-transplanting mechanisms installed on the adjacent transmission box is wider than the seedling point; Figure 9 shows a side view of the rice transplanting track formed by the utility model; As shown in Figure 10, the offset a of the transplanting track 27 of the seedling section taken at the seedling door 26 of the utility model is smaller when the seedling needle is taken out, which is conducive to evenly taking out the seedlings that are more similar to the square, and makes the seedlings aimed at the seedlings and the roots less damage.

The working principle of the utility model is:

。当左上行星非圆锥锥齿轮14＇、左下行星非圆锥锥齿轮6＇、右上行星非圆锥锥齿轮14、右下行星非圆锥锥齿轮6随左上、左下、右上、右下行星轴5、5＇，13、13＇相对左齿轮箱16＇、右齿轮箱16转动时，带动左上栽植臂15＇、左下栽植臂7＇、右上栽植臂15、右下栽植臂7转动，由于左上中间轴10＇、左下中间轴9＇、右上中间轴10、右下中间轴9与中心轴2形成一交错角及左上行星非圆锥锥齿轮14＇、左下行星非圆锥锥齿轮6＇、右上行星非圆锥锥齿轮14、右下行星非圆锥锥齿轮6与左上中间偏心锥齿轮12＇、左下中间偏心锥齿轮8＇、右上中间偏心锥齿轮12、右下中间偏心锥齿轮8之间的轴交角并不等于90度，因此左上栽植臂15＇、左下栽植臂7＇、右上栽植臂15、右下栽植臂7的转动平面与左齿轮箱16＇、右齿轮箱16的转动平面不是平行平面，引起左上栽植臂15＇、左下栽植臂7＇、右上栽植臂15、右下栽植臂7上的秧针在取秧后，其插秧点相对于取秧点向左或向右偏移相应距离。左上栽植臂15＇、左下栽植臂7＇、右上栽植臂15、右下栽植臂7的转动使左、右拨叉23围绕固定的左、右凸轮22（固定在左齿轮箱16＇、右齿轮箱16上）摆动，在取秧前左、右拨叉23经过左、右凸轮22的上升段而抬起，将左、右推秧杆24提高至最高点，同时压缩推秧弹簧25；在取秧到插秧前，左、右拨叉23处于左、右凸轮22的最高位置保持段；当秧爪到达插秧位置，拨叉23转至凸轮22缺口，推秧弹簧25回位推动推秧杆24向下快速运动，将秧苗推入地面28即土壤中。从而顺序完成了水稻秧苗的取秧、插秧动作，实现水稻秧苗的机械化宽窄行移栽。 The power of the splitting mechanism is transmitted from the driving sprocket 19 in the transmission box 21 of the rice transplanter to the center sprocket 1 through the chain 18, which drives the central shaft 2 to rotate, and the central shaft 2 drives the left gear box 16' and the right gear box 16 to rotate. In the gear box 16' and the right gear box 16, the left central gear 17', the right central gear 17, the upper left intermediate gear 11', the lower left intermediate gear 4', and the upper right intermediate gear fixed on the central shaft 2 and the transmission case 21 are empty sleeves 11. The lower right middle gear 4 meshes, the upper left middle eccentric bevel gear 12', the left lower middle eccentric bevel gear 8', the upper right middle eccentric bevel gear 12, the right lower middle eccentric bevel gear 8 and the left upper middle gear 11', the left lower middle gear 4 ’, the upper right intermediate gear 11 and the lower right intermediate gear 4 are coaxially installed, and are connected with the upper left planetary non-conical bevel gear 14’, the left lower planetary non-conical bevel gear 6’, the right upper planetary non-conical bevel gear 14, and the right lower planetary non-conical bevel gear Gear 6 meshes, upper left planetary non-conical bevel gear 14', left lower planetary non-conical bevel gear 6', right upper planetary non-conical bevel gear 14, right lower planetary non-conical bevel gear 6 and left upper middle eccentric bevel gear 12', left lower middle eccentric The shaft intersection angle between the bevel gear 8', the upper right middle eccentric bevel gear 12, and the lower right middle eccentric bevel gear 8 is a small angle not equal to 90 degrees

. When the upper left planetary non-conical bevel gear 14', the lower left planetary non-conical bevel gear 6', the upper right planetary non-conical bevel gear 14, and the lower right planetary non-conical bevel gear 6 follow the upper left, lower left, upper right, and lower right planetary shafts 5, 5' , 13 and 13' rotate relative to the left gear box 16' and the right gear box 16, driving the upper left planting arm 15', the lower left planting arm 7', the upper right planting arm 15, and the lower right planting arm 7 to rotate, because the left upper intermediate shaft 10' , the lower left intermediate shaft 9', the upper right intermediate shaft 10, the lower right intermediate shaft 9 forms a staggered angle with the central shaft 2 and the upper left planetary non-conical bevel gear 14', the lower left planetary non-conical bevel gear 6', the upper right planetary non-conical bevel gear 14. The shaft intersection angle between the lower right planetary non-conical bevel gear 6 and the upper left middle eccentric bevel gear 12', the lower left middle eccentric bevel gear 8', the upper right middle eccentric bevel gear 12, and the lower right middle eccentric bevel gear 8 is not equal to 90 Therefore, the rotation planes of the upper left planting arm 15', the lower left planting arm 7', the upper right planting arm 15, and the lower right planting arm 7 are not parallel to the rotation planes of the left gear box 16' and the right gear box 16, causing the upper left planting arm 15 ', the lower left planting arm 7 ', the upper right planting arm 15, and the seedling needles on the lower right planting arm 7 are after the seedlings are taken, and the transplanting point shifts the corresponding distance to the left or right relative to the seedling picking point. The rotation of upper left planting arm 15', lower left planting arm 7', upper right planting arm 15 and lower right planting arm 7 makes left and right shift forks 23 surround fixed left and right cams 22 (fixed on left gear box 16', right gear box 16) to swing, the left and right shift forks 23 pass through the ascending section of the left and right cams 22 and lift before the seedlings are taken, and the left and right pusher levers 24 are raised to the highest point, and the pusher springs 25 are compressed at the same time; Before taking seedlings and transplanting them, the left and right shift forks 23 are in the highest position holding section of the left and right cams 22; when the seedling claws reach the position of transplanting rice seedlings, the shift forks 23 turn to the gap of the cam 22, and the pushing spring 25 returns to push the pushing rod 24 moves fast downwards, rice shoot is pushed into ground 28 and is soil. Thereby the actions of taking seedlings and transplanting rice seedlings are completed in sequence, and the mechanized wide and narrow row transplanting of rice seedlings is realized.

The above-mentioned specific embodiments are used to explain the utility model, rather than to limit the utility model. Within the spirit of the utility model and the scope of protection of the claims, any modifications and changes made to the utility model fall into the scope of the utility model. scope of protection. the

Claims (9)

1. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter. In the transmission box (21), the power is provided by the driving sprocket (19) mounted on the driving sprocket shaft (20) through the chain (18). Transfer to the central sprocket (1), the central sprocket (1) is fixed on the central shaft (2), and the two shaft ends of the central shaft (2) are respectively fixed with left and right gearboxes (16, 16'); it is characterized in that the internal transmission structure of the right gear box (16) is as follows: the right central gear (17) is vacantly sleeved on the right side of the central shaft (2), through the right tooth embedded flange (3) and the transmission The box (21) is fixedly connected, and the right central gear (17) is respectively connected with the lower right intermediate gear (4) fixed on the lower right intermediate shaft (9) and the upper right intermediate gear fixed on the upper right intermediate shaft (10) ( 11) Mesh with each other, the lower right intermediate gear (4) drives the lower right intermediate eccentric bevel gear (8) installed coaxially with the lower right intermediate gear (4) to rotate, and the upper right intermediate gear (11) drives the upper right intermediate gear (11) The upper right middle eccentric bevel gear (12) installed coaxially rotates, and the lower right middle eccentric bevel gear (8) meshes with the lower right planetary non-conical bevel gear (6) fixed on the lower right planetary shaft (5). The middle eccentric bevel gear (12) meshes with the upper right planetary non-conical bevel gear (14) fixed on the upper right planetary shaft (13), and the lower right planetary shaft (5) and the upper right planetary shaft (13) protrude from the right gearbox One end of (16) is fixedly connected with right lower planting arm (7) and right upper planting arm (15) respectively. 2. An eccentric-non-conical bevel gear wide and narrow row splitting mechanism for high-speed rice transplanters according to claim 1, characterized in that: the right central gear (17) in the right gear box (16) is located on the lower right , the upper right intermediate gear (4, 11), the lower right, upper right intermediate eccentric bevel gear (8, 12) and the lower right, upper right planetary non-conical bevel gear (6, 14) The relative position of the axis of the five-axis gear planetary system is Arranged in a straight line or in a triangle symmetrical to the axis of the sun gear. 3. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter according to claim 1, characterized in that: the lower right and upper right intermediate shafts (9, 10) and the central shaft (2) staggered angle Or arranged in parallel, the axis intersection angle between the lower right and upper right planetary shafts (5, 13) and the lower right and upper right intermediate shafts (9, 10) is not equal to 90 degrees according to the corresponding width and narrow row spacing agronomic requirements Angle

. 4. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter according to claim 1, characterized in that: the right central gear (17) in the right gear box (16), the lower right , upper right intermediate gear (4,11) are helical gears. 5. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter according to claim 1, characterized in that: the right central gear (17) in the right gear box (16) is a helical tooth Gear, lower right, upper right intermediate gear (4,11) are spur gears. 6. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter according to claim 1, characterized in that: the right central gear (17) in the right gear box (16) is a straight tooth Gear, lower right, upper right intermediate gear (4,11) are helical gears. 7. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for high-speed rice transplanter according to claim 1, characterized in that: the right central gear (17) in the right gear box (16) is a straight tooth Gear, lower right, upper right intermediate gear (4,11) are spur gears. 8. An eccentric non-conical bevel gear wide and narrow row splitting mechanism for a high-speed rice transplanter according to claim 1, characterized in that: the right central gear (17) in the right gear box (16), the lower right , Upper right middle gear (4,11) is oval gear, non-circular gear, eccentric gear or eccentric-non-circular gear, right circular gear. 9. A high-speed rice transplanter eccentric-non-conical bevel gear wide-narrow row splitting mechanism according to claim 8, characterized in that: the elliptical gear is a first-order elliptical gear, a first-order denatured elliptical gear, a high-order elliptical gear gears or high order denatured oval gears.

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