CN106258115B - Differential gear train mechanism transplanting rice seedling of Heads - Google Patents

Differential gear train mechanism transplanting rice seedling of Heads Download PDF

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CN106258115B
CN106258115B CN201610833213.1A CN201610833213A CN106258115B CN 106258115 B CN106258115 B CN 106258115B CN 201610833213 A CN201610833213 A CN 201610833213A CN 106258115 B CN106258115 B CN 106258115B
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gear
intermediate
non
circular
transplanting
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CN106258115A (en
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孙良
毛世民
张国凤
张委
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浙江理工大学
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Abstract

本发明公开了差速轮系水稻钵苗宽窄行移栽机构。 The present invention discloses a differential gear train mechanism transplanting rice seedling of Heads. 现有行星轮系钵苗宽窄行移栽机构存在取秧时横向偏移量过大,造成取秧不够准确的问题。 Existing planetary gear train when the presence of lateral offset too wide and narrow seedling transplanting seedlings taking means, causing a problem to take inaccurate seedlings. 本发明包括传动箱、副传动轴齿轮、中心轴、中心轴齿轮、差速轮系、上移栽臂和下移栽臂;差速轮系为二自由度机构,传动箱内采用固定传动比的圆齿轮或采用不等速传动的非圆齿轮,齿轮箱内采用非圆齿轮与交错斜齿轮的齿轮组合。 The present invention includes a gear box, the sub-gear shaft, the central axis, the central axis of the gear, a differential gear train, the transplanting transplanting arm and a lower arm; differential gear train mechanism of two degrees of freedom, fixed ratio transmission case circular or non-circular gear is not constant drive gear, the gear box employed in combination with non-circular gear interleaved helical gear. 本发明的移栽臂在随齿轮箱转动的过程中还受到齿轮啮合转动的驱动力,实现差速转动,由于差速轮系中非圆齿轮的不等速传动特性而得到的灵活传动比,结合交错斜齿轮的空间传动特性,在实现复杂的空间“8字形”移栽轨迹的同时,保证移栽轨迹的取秧段没有横向偏移,即实现“直夹苗”。 Transplanting arm with the present invention during the rotation of the gear box is also rotated by the driving force of the gear, to achieve the differential rotation of the flexible drive transmission ratio constant due to differential characteristics of the non - circular gear wheel system is obtained, combining spatial transmission characteristics of the interleaved helical gears, while achieving complex space "8" transplanting track, segment transplanted seedlings taken to ensure that no transverse track offset, i.e., to achieve "direct clip seedlings."

Description

差速轮系水稻钵苗宽窄行移栽机构 Differential gear train mechanism transplanting rice seedling of Heads

技术领域 FIELD

[0001]本发明属于农业机械领域,涉及高速水稻钵苗宽窄行移栽机,具体涉及一种差速轮系水稻钵苗宽窄行移栽机构。 [0001] The present invention belongs to the field of agricultural machinery, relates to high speed transplanting machine of rice seedlings in wide and narrow, particularly, to a differential gear train mechanism transplanting rice seedling of Heads.

背景技术 Background technique

[0002]目前,水稻插秧机品种多样,但无论是宽窄行插秧还是等行距插秧,移栽机构所取的秧苗都为毯状苗,容易伤根。 [0002] At present, rice transplanter variety, but both wide and narrow spacing planting or transplanting, etc., means transplanting seedlings are taken blanket seedlings, easy root injury. 而钵苗宽窄行移栽机构所取的秧苗为钵苗,钵与钵之间的苗不存在盘根现象,所以在取苗过程不存在伤根问题,相比毯状苗插秧具有更加短的返青周期,这对提高水稻产量具有重大意义。 Heads on the seedling transplanting seedlings is taken mechanism seedling, the seedling pots and pot between packing phenomenon does not exist, so there is no problem of root seedling taking process, as compared to seedling planting carpet having more short turning green period, which is of great significance for improving rice yield.

[0003]水稻宽窄行种植是指水稻秧苗植株行间距实行一宽一窄的种植方式,这种种植方式利用作物边际优势的增产原理,通过调整秧苗的行间距,改善植株间通风、透光度,减轻病害(稻瘟病),从而达到优质高产、节本增效的目的。 [0003] thick and wide rice planting rice seedlings plants refers to the implementation of a line spacing wider than the cultivation methods, using the principle of this embodiment planting crop yield marginal advantage, by adjusting the line spacing of seedlings, improve ventilation between plants, transmittance reduce disease (blast), so as to achieve high-yield, efficiency of the section's purpose.

[0004]宽窄行移栽机构是在不改变现有钵苗移栽机秧箱结构的基础上实现秧苗宽窄行不等行距种植的部件。 [0004] The wide and narrow transplanting mechanism is implemented without changing the conventional seedling planting spacing ranging from seedlings wide and narrow base member seedling transplanting machine on the box structure. 公开号为CN102e4〇6〇4A的专利申请公开了一种高速插秧机非圆齿轮宽窄行移栽机构,虽然该专利申请中提到了第一级斜齿轮和第二级非圆齿轮传动,实现宽窄行插秧,其运动规律在一定程度上满足了移栽机构秧针的取秧、插秧轨迹和姿态,但其功能仅限于插秧机的“腰子形”轨迹或“海豚形”轨迹,并不能形成钵苗移栽所需要的“ 8^形” 空间复杂轨迹,即该专利所提出的机构仅能应用于插秧机,并不能满足水稻钵苗宽窄行移栽的要求。 Patent Application Publication No. CN102e4〇6〇4A discloses a high-speed rice transplanting wide and narrow non-circular gear mechanism, although this patent application mentioned in the first-stage and second-stage helical gear non-circular gear, to achieve width row planting, the movement of which to some extent meet the seedling taking needle mechanism transplanting seedlings, transplanting and posture trajectory, but its function is limited to the transplanter "kidney-shaped" track or "dolphin-shaped" trajectory, and can not form a mortar plantlets needed "8 ^ shaped" complex trajectory space, i.e., the mechanism proposed in this patent is applicable only to transplanter, and can not meet the requirements of wide and narrow rice seedling transplanting.

[0005]公开号为CN103004346A的专利公开了一种非圆锥齿轮钵苗宽窄行移栽机构,该专利中提出的直齿轮、斜齿轮和非圆齿轮的组合形式机构的取秧动作为“夹土”,即在取秋;过程中夹片夹持的是钵苗的钵土;该机构的移栽轨迹为带有尖嘴的空间运动轨迹,在高速作业时会有较大的冲击振动,可靠性不高。 [0005] Patent Publication No. CN103004346A discloses a non bevel gear mechanism seedling transplanting wide and narrow, this patent proposes a spur gear, the seedling taking action mechanism of the helical gear combination and a non-circular gear is "folder soil ", i.e. taking in the autumn; clip during the seedling holding bowl soil; transplanting track of the beak with a mechanism for the spatial trajectory, there will be a large impact vibration during high-speed operation, and reliable It is not high. ^ ^

[0006]申请号为CN201310318352.7的专利申请公开了一种七非圆锥锥齿轮行星轮系钵苗宽窄彳丁移栽机构,该机构的核心部件为七非圆锥锥齿轮的行星轮系,其取苗爪可以实现“8字形”的空间运动轨迹,但是该机构的“8字形”移栽轨迹在取秧段有较大的横向偏移量, 即取秧爪在取秧的同时又横向偏移的动作,与秧箱的左右送秧动作相互干扰,造成取秧;不; 准确,取秧成功率较低。 [0006] Application No. Patent Application CN201310318352.7 discloses a seven non-conical bevel gear of the planetary gear train seedling transplanting mechanism butoxy left foot width, the core component of the mechanism is a planetary gear train seven non-conical bevel gear, which seedlings taken pawl can have a "figure 8" space trajectory, but "8" transplanting the track means have a greater lateral offset section taken seedlings, seedlings taken i.e. laterally offset jaw and at the same time taking the seedlings shift operation, the left and right seedling boxes send seedlings operation interfere with each other resulting in seedling taking; not; accurate, seedling taking low success rate. ^ ^

发明内容 SUMMARY

[0007]本发明的目的是针对现有技术的不足,提供一种应用于高速水稻钵苗移栽机的差速轮系水稻钵苗宽窄行移栽机构。 Objective [0007] The present invention is a deficiency of the prior art, there is provided a seedling transplanting of rice used in high speed machines differential gear train mechanism transplanting rice seedling of Heads.

[0008]为了达到上述目的,本发明采用的技术方案是: [0008] To achieve the above object, the technical solution adopted by the invention are:

[0009]本发明包括传动箱、主传动轴、主动锥齿轮、从动锥齿轮、副传动轴、副传动轴齿轮、中心轴、中心轴齿轮、差速轮系、上移栽臂和下移栽臂;所述的副传动轴和中心轴均通过轴承支承在传动箱上;主动锥齿轮固定在主传动轴上,从动锥齿轮和副传动轴齿轮均固定=田U传动轴上,中心轴内轮固定在中心轴上;所述的从动锥齿轮与主动锥齿轮啮合,中心轴齿轮与副传动轴齿轮啮合;两个差速轮系对称设置在中心轴的两端;差速轮系的两端设置上移栽臂和下移栽臂。 [0009] The present invention includes a gear box, the main drive shaft, driving bevel gear, driven bevel gear, the sub-shaft, the sub-gear shaft, the central axis, the central axis of the gear, a differential gear train, and the arm down transplanting planting arm; the secondary shaft and the central shaft are supported by bearings on the transmission case; bevel gear fixed to the main shaft, driven bevel gear and the countershaft gears are fixed to the drive shaft U = Ueda, center gear fixed to the inner shaft central axis; said driven bevel gear meshed with the driving bevel gear, meshing with the central gear countershaft gears; two ends of a differential gear train disposed symmetrically of the central axis; differential gear ends of the provided transplanting transplanting arm and a lower arm.

[0010]所述的差速轮系包括差速主动齿轮、差速从动齿轮、齿轮箱、中心非圆齿轮、上第一中间非圆齿轮、上第二中间非圆齿轮、上第三中间非圆齿轮、上中间斜齿轮、上行星斜齿第一中间非圆齿轮、下第二中间非圆齿轮、下第三中间非圆齿轮、下中间斜齿轮和下行星斜齿轮,以及通过轴承支承在齿轮箱内的上第一中间轴、上第二中间轴、上行星轴、下第一中间轴、下第二中间轴和下行星轴;所述的差速主动齿轮固定在副传动轴上;差速从动齿轮空套在中心轴上,并与差速主动齿轮啮合;齿轮箱与中心轴伸出传动箱外的端部通过销钉固定;所述的中心非圆齿轮通过牙嵌与差速从动齿轮固定;上第一中间非圆齿轮和上第二中间非圆齿轮均固定在上第一中间轴上;上第一中间非圆齿轮与中心非圆齿轮啮合; +第三中间非圆齿轮和上中间斜齿轮均固定在上第二中间 Differential gear train includes a drive gear differential according to [0010], differential speed driven gear, a gearbox, non-circular central gear, a first intermediate non-circular gear, a second intermediate non-circular gear, the third intermediate non-circular gear, the intermediate bevel gear, helical planetary gears of the first intermediate non-circular, non-circular second intermediate gear, a third intermediate non-circular gear, helical gear and the intermediate planetary helical gear, and is supported by a bearing a first intermediate shaft in the gear box, the second intermediate shaft, a planetary shaft, a first intermediate shaft, a second intermediate shaft and the planetary shaft; said differential drive gear is fixed on the countershaft ; differential speed driven gear idler shaft in the center, and engaged with the differential drive gear; gearbox protruding to the central axis of the outer end by a pin fixed to the transmission case; said central non-circular gear by the difference between the jaw speed driven gear is fixed; intermediate the first non-circular gear and the second intermediate non-circular gear are fixed on a first intermediate shaft; engaging the first intermediate gear and the non-circular central non-circular gear; + third intermediate non circular gears and are fixed to the intermediate bevel gear on the second intermediate 上;上第三中间非圆齿轮与上第二中间非圆齿轮啮合;上行星斜齿轮固定在上行星轴上,并与上中间斜齿轮啮合;下第一中间非圆齿轮和下第二中间非圆齿轮均固定在下第一中间轴上;下第一中间非圆齿轮与中心非圆齿轮啮合;下第三中间非圆齿轮和下中间斜齿轮均固定在下第二中间轴上;下第三中间非圆齿轮与下第二中间非圆齿轮啮合;下行星斜齿轮固定在下行星轴上,并与下中间斜齿轮哨合。 The; third intermediate non-circular gear and the second intermediate non-circular gear; planetary bevel gear fixed to the planet shaft and meshes with the intermediate bevel gear; the first intermediate gear and a second non-circular intermediate non-circular gears is fixed to the lower first intermediate shaft; engaging the first intermediate gear and the non-circular central non-circular gear; the third intermediate gear and the non-circular intermediate bevel gear are fixed to the lower second intermediate shaft; a third intermediate non-circular gear and the second intermediate non-circular gear; the planetary planetary bevel gear fixed to the lower shaft, and intermediate gear with helical engagement post.

[0011]所述上移栽臂的移栽臂壳体与上行星轴伸出齿轮箱外的一端固定,下移栽臂的移栽臂壳体与下行星轴伸出齿轮箱外的一端固定,且上移栽臂和下移栽臂设置在齿轮箱的同一侧;上移栽臂和下移栽臂的凸轮均与齿轮箱固定;上移栽臂和下移栽臂的结构完全相同。 [0011] the upper arm transplanting transplanting arm housing with the upper end of the outer planetary shaft extending fixed gear box, and the lower arm housing planetary transplanting the transplant arm shaft projecting end of the outer gear box is fixed and transplanting upper arm and a lower arm disposed on the same side of the transplanting gearbox; transplanting the lower arm and the cam arm are fixed transplanting the gearbox; identical upper and lower arms transplanting transplanting arm structure. [0012]所述的上第一中间轴和下第一中间轴对称设置在中心轴两侧;所述的上第二中间轴和下第二中间轴对称设置在中心轴两侧;所述的上行星轴和下行星轴对称设置在中心轴两侧,上行星轴与中心轴、下行星轴与中心轴之间的轴交角均为a;上中间斜齿轮、上行星斜齿轮、下中间斜齿轮及下行星斜齿轮的螺旋角均为P; a = 2 00根据宽窄行移栽的行距要求取值。 A first intermediate shaft and the intermediate shaft at a first [0012] The symmetrically disposed at both sides of the central axis; said second intermediate shaft and the second intermediate shaft disposed symmetrically on both sides of the central axis; the the planetary shaft and the planetary shaft arranged symmetrically on both sides of the central shaft, the angle of intersection between the central axis of the planet shaft, the planet axis and the central axis are a; intermediate bevel gear, helical planetary gears, intermediate swash and the helix angle of the planetary gears are helical gears P; a = 2 00 the value of wide and narrow spacing requirements for transplanting.

[0013]所述的上第一中间非圆齿轮与下第一中间非圆齿轮的几何参数完全相同,上第二中间非圆齿轮与下第二中间非圆齿轮的几何参数完全相同,上第三中间非圆齿轮与下第三中间非圆齿轮的几何参数完全相同;所述的上中间斜齿轮、上行星斜齿轮、下中间斜齿轮和下行星斜齿轮的几何参数完全相同,均是模数为3、齿数为17的左旋斜齿轮。 [0013] The geometrical parameters of the first non-circular gear and the intermediate a first intermediate non-circular gear are identical, the same as the geometric parameters of the second intermediate gear and the second non-circular intermediate non-circular gear, the first three intermediate non-circular geometry at a third intermediate gear and the identical non-circular gears; said intermediate bevel gear, helical planetary gears, exactly the same geometric parameters of the helical gear and the intermediate planetary helical gears, are molded is 3, L is the number of teeth of the helical gear 17.

[00M]所述的中心非圆齿轮、上第二中间非圆齿轮及下第二中间非圆齿轮的节曲线均由三次非均匀B样条曲线拟合而成,并由12个型值点的向径控制节曲线的形状。 Curve central section of the noncircular gears [00M], a second intermediate non-circular gear and the second non-circular gear by an intermediate non-uniform cubic B-spline curve fitting formed by 12 data points the shape of the control curve in the radial section.

[0015]所述的副传动轴齿轮和中心轴齿轮均为圆齿轮,且传动比为1,或为相互啮合的非圆齿轮;所述的差速主动齿轮和差速从动齿轮均为圆齿轮,且传动比1:2,或为相互啮合的非圆齿轮。 Countershaft gear and the central gear are circular gears [0015] above, and the transmission ratio is 1, or a non-circular gears mesh with each other; said differential drive gear and the differential gear are driven round gear, and the transmission ratio 1: 2 non-circular gear, or engage each other.

[0016]上移栽臂或下移栽臂的取秧夹片尖点所形成的移栽轨迹的取秧段在水平面上的投影为一条直线段。 [0016] the lower or upper arm transplanting transplanting transplanting seedlings taken arm clip track cusps formed seedlings section taken on a horizontal plane of projection of a straight line segment.

[0017]本发明的有益效果是: [0017] Advantageous effects of the present invention are:

[0018] 1、本发明解决了交错齿轮-椭圆锥齿轮行星轮系和交错齿轮-非圆齿轮移栽机构仅能应用于插秧机的问题,相比于这些分插机构的“腰子形”和“海豚形,'移栽轨迹,本发明的移栽机构可以形成复杂的空间“8字形”轨迹,以适应水稻钵苗移栽的特殊要求。钵苗移栽是比机插秧更先进的农艺技术,在具体的实施上也更加困难,所以本发明以简单的齿轮机构实现了插秧机的分插机构所不能实现的钵苗宽窄行移栽功能,能为水稻的优质增产和进一步机械化做出贡献。 [0018] 1, the present invention solves the interleaving gear - elliptical bevel gear train and the planetary gear staggered - noncircular gear mechanism can only be applied transplanter transplanting problems compared to those transplanting mechanism "kidney-shaped" and "dolphin shape, 'track transplanting transplanting mechanism of the present invention may form a complex spatial" 8 "track to suit the specific requirements of transplanting rice seedling. transplanting is more advanced than transplanting agronomic , is also more difficult in the specific embodiment, the present invention is to achieve a simple gear mechanism of the transplanter transplanting mechanism can not be achieved seedling transplanting wide and narrow features, contribute to the further mechanization and high-yield rice .

[0019] 2、本发明为二自由度的差速轮系移栽机构,与传统的单自由度行星轮系移栽机构不同,差速轮系移栽机构能够实现复杂的传动比,同时,平面非圆齿轮与交错斜齿轮组合的形式,使得移栽机构的行星轮系在具有不等速传动特性的同时具备空间传动特性,使移栽机构能够实现复杂的移栽轨迹;同时,由于机构灵活的传动比,使得机构只需交错安装的斜齿轮就能实现理想的空间轨迹,与公开号CN103004346A中机构的球面非圆齿轮相比,本发明的差速轮系均为平面齿轮,易于加工且使成本大大降低,更适合应用于生产实践。 [0019] 2, the present invention is a two degree of freedom differential gear train transplanting mechanism, conventional single degree of freedom planetary gear train transplanting different mechanism, a differential gear train mechanism transplanting complex transmission ratio can be realized at the same time, flat non-circular gear and the helical gear interleaved in combination to form such planetary gear train transplanting mechanism having constant transmission without spatial characteristics along with transmission characteristics, so that transplanting transplanting mechanism to implement complex trajectory; the same time, since the mechanism flexible transmission ratio, so that the mechanism simply mounted interleaved helical gear can be achieved over the trajectory of the space, as compared with the spherical non-circular gear mechanism Publication No. CN103004346A, a differential gear train of the present invention are the face gear, ease of processing and greatly reduce the cost, more suitable for production practice.

[0020] 3、本发明解决了申请号为CN201310318352.7中钵苗移栽机构取秧段偏移量过大, 造成的取秧率低的问题,七非圆齿轮移栽机构的移栽臂在取秧时有一个横向偏移的动作, 与秧箱的左右移动相互干涉,在实际的生产作业中,取秧成功率很低,而本发明的差速机构在取秧时轨迹为一条直线,没有横向偏移量,可以实现精准取秧,保证取秧的成功率。 [0020] 3, the present invention solves Application No. CN201310318352.7 Transplanting mechanism in section taken seedlings offset too, the problem caused by the low take seedlings, seven non-circular gear mechanism transplanting transplanting arm when there is an operation to take a seedling laterally offset, the seedling boxes move around interfere with each other, in the actual manufacturing operations, taking a low success rate of seedling, and the differential mechanism of the present invention when taken seedling trajectory is a straight line , there is no lateral offset to enable very precise take seedlings, the seedlings taken to ensure the success rate.

[0021] 4、本发明米用;通过优化非圆齿轮的节曲线参数和斜齿轮螺旋角,可以得到能实现水稻钵苗一宽一窄种植的钵苗移栽机构;与专利号CN201510005883.X和CN201510213119.1中提到的钵苗宽窄行机构相比,该机构齿轮数量较少,结构更加简单和紧凑,在降低了生产成本的同时提高了机构的可靠性。 [0021] 4, with the present Mingmi; and by optimizing the parameters of the helical gear pitch curve of non-circular gear helix angle, can be obtained Transplanting Rice Seedling mechanism can be realized with one wider planting; and Patent No. CN201510005883.X and seedling CN201510213119.1 mentioned mechanism of Heads compared to the smaller number of the gear mechanism, the structure is more simple and compact, reducing the production cost while improving reliability of the mechanism.

附图说明 BRIEF DESCRIPTION

[0022]图1是本发明的结构原理示意图。 [0022] FIG. 1 is a schematic structural principles of the present invention.

[0023]图2是本发明中各个齿轮的装配示意图。 [0023] FIG. 2 is a schematic view of the assembly according to the present invention, the respective gears.

[0024]图3是本发明中各个齿轮啮合状态的一侧侧视图。 [0024] FIG. 3 is a side view of the present invention in a side of each of the gears engaged state.

[0025]图4是本发明中各个齿轮啮合状态的另一侧侧视图。 [0025] FIG. 4 is a side view of the other side of the gears in the engagement state of the present invention.

[0026]图5是本发明的下中间斜齿轮与下行星斜齿轮交错啮合示意图。 [0026] FIG. 5 is a helical gear intermediate according to the present invention is interleaved with the helical gear meshing planetary FIG.

[0027]图6是本发明的移栽臂剖视图。 [0027] FIG. 6 is a sectional view of the present invention is transplanted arm.

[0028]图7是本发明的移栽臂俯视图。 [0028] FIG. 7 is a plan view of a transplanting arm of the present invention.

[0029]图8是本发明的中心非圆齿轮节曲线图。 [0029] FIG 8 is a central section of the non-circular gear is a graph of the present invention.

[0030]图9是本发明的上第二中间非圆齿轮节曲线图。 [0030] FIG. 9 of the present invention is the second non-circular gear intermediate section curve.

[0031]图10是本发明的取苗过程示意图。 [0031] FIG. 10 is a schematic view of the process of the present invention taken in seedlings.

[0032]图11是本发明实现移栽轨迹的俯视图。 [0032] FIG. 11 is a plan view of the present invention achieves transplanted trajectory.

[0033]图12是本发明作业时形成宽窄行移栽的移栽效果示意图。 [0033] FIG. 12 is a schematic view of the effect of transplanting transplanting wide and narrow formation of the present invention during operation. _4]图中:1、传动箱,2、主传动轴,3、主动锥齿轮,4、从动锥齿轮,5、副传动轴,6、副传动轴齿轮,7、中心j由,8、中心轴齿轮,9、差速主动齿轮,1〇、差速从动齿轮,u、下第二中间非圆齿轮,12、下第三中间非圆齿轮,13、下行星轴,14、下行星斜齿轮,15、齿轮箱,队臂,I7、下第二中间轴,I8、下中间斜齿轮,I9、下第一中间轴,加、下第一中间非圆齿^ 中心非圆凶轮,22、上第一中间非圆齿轮,幻、上第一中间轴,24、上第二中间非圆齿25 士中间斜齿轮,26、上第二中间轴,27、上移栽臂,28、上行星斜齿轮,29、上行星轴,3〇^第二中间非圆齿轮,31、凸轮,32、弹簧,33、弹簧座,34、拨叉,35、推秧杆,36、移栽臂壳体,37、 = 應41、髓,42猶,㈣纖脑、地面,a、取 4] FIG: 1, the transmission case 2, the main drive shaft, 3, bevel gear 4, the driven bevel gear 5, the sub-shaft, 6, counter-shaft gear 7, j from the center, 8, countershaft gear 9, a differential drive gear, 1〇, differential speed driven gear, u, the second non-circular intermediate gear 12, a third intermediate non-circular gear 13, the planet shaft 14, the planetary bevel gear 15, the gear box, the arm team, I7, the second intermediate shaft, I8, intermediate helical gears, I9, a first intermediate shaft, plus, a first intermediate non-scalloped ^ fierce noncircular wheel center, 22, a first intermediate non-circular gears, phantom, on the first intermediate shaft 24, a second intermediate non-circular intermediate bevel gear teeth 25 persons, 26, on the second intermediate shaft 27, the arm transplanting, 28, planetary bevel gear 29, the planetary shaft, a second intermediate 3〇 ^ noncircular gear 31, cam 32, spring 33, spring seat 34, fork 35, the seedling pushing rod 36, the arm transplanting housing, 37, should = 41, pulp, still 42, (iv) fiber brain, the ground, a, taking

具体实施方式 Detailed ways

[0035]下面结合附图和实施例对本发明作进一步说明。 Drawings and embodiments of the present invention will be further described [0035] below in conjunction. 二如图上t图咽4所示,差速轮系水稻钵苗宽窄行移栽机构,包括传动箱1、主^动轴2、王动锥内轮3、从动麟轮4、副传云力轴5、副传动轴離6、中心轴7、中心轴系、上移栽臂27和下移鋪16;主传动轴2、副传_5和中⑽7均通过轴承支承在flf1上;f动锥齿轮3固定在16主传动轴2上,从动锥齿轮4和副传动轴齿轮6均固定在副^动轴5上,中心轴齿轮8固定在中心轴7上;从动锥齿轮4与主动锥齿轮3啮合,中心轴与副传动轴織_合;两个麵轮綱称體在巾⑽7贿端;麵轮通两端设置上移栽臂27和下移栽臂ie;动力由主传动轴2传递到副传动轴5,再经差臂27和下移栽臂16。 2 As shown in FIG upper pharynx t, the differential gear train mechanism transplanting rice seedling of Heads 4, including 1, ^ a main shaft 2, the movable cone wheel 3 Wang, Lin driven wheel 4, the sub-transmission gear box cloud power shaft 5, 6 from the counter-shaft, the center shaft 7, the center shaft, a transplanting laying down arm 27 and 16; the main drive shaft 2, and the sub-pass _5 ⑽7 are passed over flf1 bearing; f 3 movable bevel gear 16 fixed to the main drive shaft 2, driven bevel gear 4 and the countershaft gears 6 are fixed on the sub-shaft 5 ^, 8 fixed to the central axes of the gear 7; driven bevel gear 4 engaged with the driving bevel gear 3, the countershaft central axis _ woven together; two classes wheel faces said body side towel ⑽7 bribe; is provided on the surface of the wheel on both ends of transplanting transplanting arm and a lower arm 27 ie; power transmitted from the main shaft 2 to the countershaft 5, and then the difference between the arm 27 and lower arm 16 transplanting. < =37] _1、图2、图3糊4所示,錢縣包鍵速主动鎌9、_从动齿伽、齿轮箱15、中心非圆齿轮21、上第一中间非圆齿轮22、上第二中间非圆齿轮料、上第三中间非圆齿轮30、士中间斜齿轮25、上行星斜齿轮28、下第一中间非圆齿轮20、下第二中间非圆齿轮11、下第三中间非圆齿轮12、下中间斜齿轮18和下行星斜齿轮14,以及通过轴承支承在齿轮箱I5内/的上第一中间轴23、上第二中间轴2e、上行星轴四、下第一中间轴w、下第二中间轴17和下行星轴13;差速主动齿轮9固定在副传动轴5上;差速从动齿轮1〇空套在中心轴7上, 并与差速主动齿轮9啮合;齿轮箱15与中心轴7伸出传动箱外的端部通过销钉固定;中心非圆齿轮21通过牙嵌与差速从动齿轮10固定;上第一中间非圆齿轮以和上第二中间非圆齿轮24均固定在上第一中间轴23上;上第一中间非圆齿轮22与中心非圆齿轮21啮合;上第三 <= 37] - 1, 2, 4 shown in FIG. 3 pastes, county money speed packet key active sickle 9, _ driven teeth gamma, gear box 15, the central non-circular gear 21, first intermediate gear 22 is non-circular, a second non-circular gear intermediate material, a third intermediate non-circular gear 30, the intermediate bevel gear 25 persons, the planet bevel gear 28, first intermediate gear 20 is non-circular, non-circular second intermediate gear 11, Dir three intermediate non-circular gears 12, 14, and supported through a bearing on the first intermediate shaft and the intermediate helical gear 18 in the planetary gearbox helical gears I5 / 23, on the second intermediate shaft 2E, the four planetary shaft, the a first intermediate shaft w, the second intermediate shaft 17 and the planet shaft 13; differential drive gear 9 is fixed to the countershaft 5; 1〇 differential speed driven gear idler on the center shaft 7, and the differential active gear 9; 15 and the central axis of the end portion 7 protruding outside the transmission case by a pin fixed to the gearbox; jaw 21 is fixed by the center differential gear 10, non-circular driven gear; a first non-circular gear to the intermediate and the second intermediate gear 24 are non-circular fixed to the first intermediate shaft 23; the non-circular central gear 22 meshed with the first intermediate gear 21 is non-circular; third 中间非圆齿轮30和上中间斜齿轮25均固定在上第二中间轴26上;上第三中间非圆齿轮3〇与上第一中间非圆齿轮24啮合;上行星斜齿轮此固定在上行星轴烈上,并与上中间斜齿轮25噛合;下第一中间非圆齿轮20和下第二中间非圆齿轮丨丨均固定在下第一中间轴19上;下第一中间非圆齿轮20与中心非圆齿轮21啮合;下第三中间非圆齿轮12和下中间斜齿轮18均固定在下第了中间轴17上;下第三中间非圆齿轮丨2与下第二中间非圆齿轮丨丨啮合;下行星斜齿轮14固定在下行星轴13上,并与下中间斜齿轮18啮合。 Intermediate non-circular gear 30 and the intermediate bevel gear 25 are fixed on the second intermediate shaft 26; 3〇 24 engages the non-circular gear of the third intermediate gear and the first non-circular upper intermediate; this planetary gear is fixed to the swash the strong planetary shaft, and a helical gear 25 engaged with the intermediate Yao; a first intermediate gear 20 is non-circular and non-circular second intermediate gears are fixed to the lower Shushu on the first intermediate shaft 19; a first intermediate gear 20 is non-circular 21 intermesh with non-circular gear; 12 third intermediate and a lower non-circular gear intermediate helical gears 18 are fixed to the lower of the intermediate shaft 17; the third intermediate noncircular gear 2 and the second intermediate Shu non-circular gear Shu Shu engagement; planetary bevel gear 14 at the planet shaft 13 fixed to the lower, intermediate and lower helical gear 18.

[0038]如图1、图6和图7所示,上移栽臂27的移栽臂壳体36与上行星轴29伸出齿轮箱外的一端固定,下移栽臂I6的移栽臂壳体与下行星轴13伸出齿轮箱外的一端固定,且上移栽臂和下移栽臂设置在齿轮箱的同一侧;上移栽臂和下移栽臂的凸轮均与齿轮箱固定;上移栽臂27和下移栽臂16的结构完全相同,均采用成熟的现有技术,如申请号为2〇1u〇164729 g 的专利。 [0038] FIG. 1, FIGS. 6 and 7, the upper arm transplanting transplanting arm 36 and the housing 27 on the planet shaft 29 is fixed at one end projecting out of the gear box, the lower arm transplanting transplanting the arm I6 the lower housing and the planet shaft 13 is fixed at one end projecting out of the gear box, and the upper and lower arms transplanting transplanting arm on the same side of the gear box; transplanting upper arm and a lower arm transplanting a cam fixed to the gear case are ; transplanting identical structure on the lower arm 27 and arm 16 of the transplanting, mature prior art are used, such as application No. 2〇1u〇164729 g patents.

[0039]如图1和图5所不,上第一中间轴23和下第一中间轴19对称设置在中心轴7两侧;上第二中间轴26和下第二中间轴17对称设置在中心轴7两侧;上行星轴29和下行星轴13对称设置在中心轴7两侧,上行星轴29与中心轴7、下行星轴13与中心轴7之间的轴交角均为a;上中间斜齿轮25、上行星斜齿轮28、下中间斜齿轮18及下行星斜齿轮14的螺旋角均为e;a二2 e卬的值可根据宽窄行移栽的行距要求进行调整,当宽行和窄行的行距分别s400mm和200mm 时,0 = 8。 [0039] Figures 1 and 5 do not, on the first intermediate shaft 23 and the first intermediate shaft 19 disposed symmetrically at both sides of the center axis 7; 26 and a lower second intermediate second intermediate shaft 17 disposed symmetrically 7 on both sides of the central axis; and on the planet shaft 29 at the planet shaft 13 symmetrically disposed at both sides of the center axis 7, 7 to the central axis 29, the angle of intersection between the planetary shaft 7 on the planet shaft 13 and the central axis are a; the intermediate bevel gear 25, planetary bevel gear 28, the intermediate helix angle helical gear 18 and the planetary gears 14 are obliquely E; 2 e values ​​of a two wide and narrow according to Ang may be adjusted as required spacing transplanting, when narrow row spacing and line width respectively when s400mm and 200mm, 0 = 8. .

[00^0]如图2、图3糊4所示,上第-中间非圆齿轮22与下第—中间非圆齿轮2〇的几何参^兀全相同,上第一中间非圆齿轮24与下第二中间非圆齿轮12的几何参数完全相同,上第三中间非圆齿轮3〇与下第三中间非圆齿轮以的几何参数完全相同;上中间斜齿轮25、上行星斜織28、下巾_龅18和下行星斜織i猶几何錄完全綱,均是機为3、齿数为17的左旋斜齿轮。 [00 ^ 0] in FIG. 2, FIG. 3 paste 4, the first - and an intermediate non-circular gear 22 Dir - intermediate noncircular gear 2〇 geometric parameters ^ Wu all equal, the first intermediate gear 24 is non-circular and a second intermediate non-circular gear 12 is identical to the geometric parameters, the same as on the third intermediate third intermediate gear 3〇 noncircular gears with a non-circular geometric parameters; the intermediate bevel gear 25, the planetary twill weave 28 , _ towel 18 and the lower benches the planetary i twill still completely recorded geometric outline, as are dryer 3, a left-hand helical gear teeth 17. =〇41]如图2、图3、图4、图s糊g所示,中心非圆齿轮21、上第二中间非圆齿轮24及下第-中间非醜轮11的节峨触三次非均細样条峻拟合而成,抛12个雖点参数控制节曲线的形状,通过优化型值点参数的数值来获得符合要求的不等速传动特性.中心非圆齿轮21节曲_12个型值点参数分别为:n = 17.5mm,r2 = 19.8mm,r3 = 22.4mm,r4 = 21.5mm,r5 = 22.4mm,r6=19.8mm,r7=17.5mm,r8=19.8mm,r9 = 22.4mm,ri0 = 21.5mm,ril = 22.、4腿丨1'12 = 19.8麵;中^、非圆齿轮21和上第一中间非圆齿轮22、下第—中间非圆齿轮2〇的中心距为4,1.5。 = 〇41] As shown in FIG 2, FIG 3, FIG 4, FIG paste g s, the central non-circular gear 21, the second non-circular gear 24 and the intermediate Dir - three intermediate non-contact section Bauer wheel 11 non ugly Jun were fine spline fitted together, polishing parameters as at point 12, although the shape of the control curve section, does not meet the requirements to obtain a constant transmission characteristic central non-circular gear section 21 _12 data points by numerical optimization parameter a parameter values ​​are: n = 17.5mm, r2 = 19.8mm, r3 = 22.4mm, r4 = 21.5mm, r5 = 22.4mm, r6 = 19.8mm, r7 = 17.5mm, r8 = 19.8mm, r9 = 22.4mm, ri0 = 21.5mm, ril = 22., 4 = 19.8 1'12 legs Shu surface; ^ the non-circular gear 21 and the first intermediate gear 22 is non-circular, Dir - the intermediate noncircular gear 2〇 center distance of 4, 1.5. 如图9所不,上第二中间非圆齿轮料或下第二中间非圆齿轮丨丨节曲线的12个型,值点参数分,力丨J为:ri 二llmm,!^ = =3311111146/ =27mm, V =26mm,r^ =29mm,r9'二33mm,ri。 Type 12 is not shown in FIG 9, the second intermediate material or the second non-circular gear non-circular gear Shushu intermediate section curve, the value of point parameter points, Shu force J is: ri two llmm, ^ = = 3311111146! / = 27mm, V = 26mm, r ^ = 29mm, r9 'two 33mm, ri. '=3111111^11/ = 19^:1^ = 13mm;上第二中间非圆齿轮24和上第二中间非圆齿轮3〇、下第二中间非圆齿轮丨丨和下第三中间非圆齿轮12的中心距均为51mm。 '= 3111111 ^ 11 / = 19 ^: 1 ^ = 13mm; second non-circular gear 24 on the intermediate and the second intermediate 3〇 noncircular gear, a second intermediate gear Shushu non-circular and non-circular at a third intermediate the sun gear 12 from the are 51mm.

[0042]如图1、图10、图11和图12所不,副传动轴齿轮6和中心轴齿轮8为传动比为i的圆齿轮,或为相互啮合的非圆齿轮,差速主动齿轮9和差速从动齿轮10为传动比1:2的圆齿轮,或为相互啮合的非圆齿轮;移栽机构取秧夹片38尖点所形成的移栽轨迹43的取秧段在俯视图上为一条直线段,即图中a到b的一段轨迹在一条直线上。 [0042] 1, 10, 11 and 12 do not, the sub-gear 6 and the drive shaft 8 is the central axis of the gear transmission gear ratio i as circular or non-circular gears mesh with each other, the differential drive gear 9 and the differential gear ratio driven gear 10 is 1: 2 gear circular or non-circular gears mesh with each other; transplanting seedlings clip mechanism taken transplanting track 38 formed in a top view taken cusp section 43 seedlings on a straight line segment, i.e., a figure to a straight line trajectory in a period b.

[0043]如图1、图10、图11和图12所示,差速轮系与传统的行星轮系不同,为二自由度机构,中心非圆齿轮和齿轮箱15在机构工作过程中都会转动,使机构可以实现自由的传动比特为实现钵苗宽窄行种植的行距一宽一窄要求,移栽机构取秧夹片尖点的移栽轨迹43 要满足移栽过程有一定的偏移量,如图11和图12所示,移栽臂在取秧点b取秧后偏移距离八D,在推秧点c将钵苗推入土中,当几套机构同时工作时,可以形成秧苗宽行和窄行交替种植的效果。 [0043] 1, 10, 11 and 12, a differential gear system and the planetary gear train traditional different mechanism of two degrees of freedom, non-circular central gear 15 and the gear box mechanism will work in the process rotation of the drive mechanism may be implemented to achieve the free bits wide and narrow spacing seedling planted one wider claim transplanting seedlings clip mechanism taken cusps transplanting transplanting track 43 to satisfy a certain offset , 11 and 12, seedlings transplanted arm taken up in point b seedlings taken after eight offset distance D, point c seedling pushing the seedling pushing into the soil, when the mechanism sets simultaneously, can be formed effect seedlings planted alternately wide and narrow row lines. 在移栽过程中,为了防止移栽臂的取秧动作与秧箱的横移动作相互干涉,要保证移栽轨迹43上从取秧进入点a到取秧点b的取秧段的横向偏移量尽量小,如图u所示,本发明结合了差速轮系与非圆齿轮的传动特性,使机构的移栽轨迹上在一条直线上没有横向偏移量,实现了“直夹苗”。 In transplanting process, in order to prevent the seedling taking operation and transplanting seedling box racking operation arm interfere with each other, to ensure that the transplanted seedlings taken from the track 43 to the entry point to take a partial transverse section taken seedlings seedlings point b shift amount as small as possible, as u, the present invention combines the characteristics of the transmission system and the differential gear non-circular gear, the upper track mechanism transplanted without lateral offset in a straight line, to achieve a "straight clip Miao . " ' '

[0044]该差速轮系水稻钵苗宽窄行移栽机构的工作原理是: [0044] The working principle of the differential gear train mechanism transplanting rice seedling wide and narrow are:

[0045]动力由传动箱1内的主传动轴2经主动锥齿轮3传递到从动锥齿轮4上,带动副传动轴5转动,副传动轴齿轮6带动中心轴齿轮8转动,将动力传递到中心轴7,中心轴7的一端与齿轮箱15固定,带动齿轮箱15转动,同时,副传动轴5带动差速主动齿轮9转动,将动力传递到空套在中心轴7上的差速从动齿轮10;齿轮箱16内,空套在中心轴7上与差速从动齿轮1〇固定的中心非圆齿轮21分别与上第一中间非圆齿轮22、下第一中间非圆齿轮2〇啮合;差速从动齿轮10带动中心非圆齿轮21转动,再经上第一中间非圆齿轮22、上第二中间非圆齿轮24、上第三中间非圆齿轮3〇、上中间斜齿轮烈、上行星斜齿轮28传递到上移栽臂27;经下第=中间非圆齿轮20、下第二中间非圆齿轮11、下第三中间非圆齿轮12、下中间斜齿^18、下行星斜齿轮14传递到下移栽臂16;同时,齿轮箱15在中心轴7的带动下转 [0045] The power transmission shaft 1 within the main transmission case 2 via the driving bevel gear 3 is transmitted to the driven bevel gear 4, the sub-drive shaft 5 rotates, the gear 8 rotates counter-shaft 6 driven countershaft gears, power transmission 7, one end of the central shaft 7 of the gear box 15 is fixed to the central shaft, driven by the gear box 15 is rotated, while the sub-shaft 9 rotates the driving gear 5 driven by the differential, the power transmitted to the idler shaft 7 on the center differential a driven gear 10; gear case 16, the idler 21 with the first non-circular gear 22 on the intermediate 7 1〇 the differential driven gear fixed central axis of the central non-circular gear, a first intermediate non-circular gear 2〇 engagement; differential speed driven gear 10 rotatably driven by the central non-circular gear 21, and then the first non-circular gear 22 on the intermediate, the second intermediate gear 24 is non-circular, non-circular gear on the third intermediate 3〇, intermediate strong helical gear, the planetary gear 28 is transmitted to the swash arm 27 transplanted; Dir = via intermediate gear 20 is non-circular, non-circular second intermediate gear 11, a third intermediate non-circular gear 12, intermediate helical ^ 18, the planetary helical gear 14 is transmitted to the lower arm 16 transplanted; the same time, the gear box 15 in turn driven by the central shaft 7 ,齿轮箱15的转动带动箱内的齿轮组、上移栽臂27和下移栽臂转动,两个移栽臂同时受到来自中心非圆齿轮21的动力和齿轮箱15的动力的驱动,由于两个动力存在转速差,使移栽臂实现了差速转动。 Gearbox driven rotation of the gear set 15 of the tank, the transplanting transplanting arm and a lower arm 27 is rotated, two power by simultaneously transplanting arms and the gearbox 21 from the center of the noncircular driven gear 15 of power, since two power present rotational speed difference, so that the arm transplanting achieve differential rotation.

[0046]移栽臂的转动使拨叉34围绕固定在齿轮箱15上的凸轮31摆动,在取秧前拨叉34经过凸轮31的上升段而抬起,将推秧杆35向后拉,同时通过弹簧座33压缩弹簧32,焊接在推秧杆上的U形块39也随推秧杆向后移动,挤压取秧夹片38 (取秧夹片38通过固定块37固定在移栽臂壳体36上),使两个夹片闭合并夹紧秧苗,完成取秧动作;从取秧后到推秧前,拨叉34处于凸轮31的最高位置保持段;当移栽臂到达推秧点c时,拨叉34转至凸轮31的回程段,弹簧32回位推动推秧杆35和U形块39向前快速运动,取秧夹片38在自身弹性下张开,松开钵苗, 推秧杆将钵苗42的土钵推入地面44的土中,完成推秧动作。 [0046] Transplanting rotation arm 31 causes the fork 34 to swing about the gear box 15 is fixed to the cam, cam fork 34 through the riser 31 before being lifted to take seedlings, the seedling push rod 35 pulled back, at the same time the compression spring 33 via the spring seat 32, the welding rod 39 is also moved backward with the seedling pushing the seedling push rod U-shaped pieces, pressing the clip 38 take seedlings (seedling taking clip 3837 fixed to the fixed block by transplanting upper arm housing 36), the two clamping jaws closed and seedlings, seedlings take to complete the operation; taken from seedlings to the seedling pushed forward, the fork 34 in the highest position of the cam 31 of the holding section; push arm reaches when transplanting when seedlings point C, the fork 34 go to the return section of the cam 31, the return spring 32 pushing the push rod 35 and a U-shaped seedling block 39 fast forward movement, taking seedlings clip 38 to open under its own elasticity, release the bowl seedling, the seedling pushing rod 42 of the seedling pushing soil pot soil surface 44, the seedling pushing operation is completed. 由于上行星斜齿轮14与中心非圆齿轮21之间及下行星斜齿轮6与中心非圆齿轮21之间的轴交角a不为零,因此上移栽臂27、下移栽臂16的转动平面与齿轮箱15的转动平面不平行,引起移栽臂上的取秧夹片38在秧箱40的钵盘41上取秧点b取钵苗42后,向外侧偏移距离AD至推秧点c推秧,由此实现水稻钵苗的机械化宽窄行移栽。 Since the planetary gear 14 and the helical center between non-circular gear 21 and the planetary gear 6 and the inclined shaft angle between a center of the non-circular gear 21 is not zero, so the transplanted arm 27, arm 16 is rotated at transplanting rotation of the gear box 15 and plane are not parallel, causing transplanted seedlings taken clip arm 38 to take the point b seedlings taken on seedling pot seedling box 41 of the disc 42, outwardly shifted to the seedling pushing distance AD seedling pushing point c, thereby achieving wide and narrow row rice seedling mechanized transplanting.

Claims (6)

1.差速轮系水稻钵苗宽窄行移栽机构,包括传动箱、主传动轴、主动锥齿轮、从动锥齿2、副传动轴二副传动轴齿轮、中心轴、中心轴齿轮、差速轮系、上移栽臂和下移栽臂,其特征在于:所述f副传动轴和中心轴均通过轴承支承在传动箱上;主动锥齿轮固定在主传动轴上二从f齿轮、和llj传动轴齿轮均固定在副传动轴上,中心轴齿轮固定在中心轴上;所述的从动锥齿轮与主动锥齿轮啮合,中心轴齿轮与副传动轴齿轮啮合;两个差速轮系对称设置在中心轴的两端;差速轮系的两端设置上移栽臂和下移栽臂; 所^的差速轮系包括差速主动齿轮、差速从动齿轮、齿轮箱、中心非圆齿轮、上第一中间非圆齿轮、上第二中间非圆齿轮、上第三中间非圆齿轮、上中间斜齿轮、上行星斜齿轮、下^ 一中间非圆齿轮、下第二中间非圆齿轮、下第三中间非圆齿轮、下中间斜齿轮 1. The differential gear train mechanism transplanting rice seedling wide and narrow, including gear box, the main drive shaft, driving bevel gear, driven bevel gear 2, the sub-shaft two gear shaft, the central axis, the central axis of the gear, the difference speed gear train, and a lower arm transplanting transplanting the arm, characterized in that: said sub-shaft and the central axis f are supported through a bearing on the transmission case; bevel gear fixed to the main shaft from the two gear f, llj gear shaft and are fixed to the countershaft, fixed to the center shaft of the center gear shaft; a driven bevel gear meshed with said driving bevel gear, meshing with the central gear countershaft gears; two differential gear based symmetrically provided at both ends of the central shaft; both ends of the differential gear train disposed on the transplanting transplanting arm and a lower arm; ^ the differential gear train includes a drive gear differential, differential speed driven gear, the gear box, non-circular central gear, a first intermediate non-circular gear, a second intermediate non-circular gear, the third intermediate non-circular gear, the intermediate bevel gear, helical planetary gears, the intermediate ^ a noncircular gear, the second an intermediate non-circular gear, a third intermediate non-circular gear, the intermediate bevel gear 下行星斜齿轮,以及通过轴承支承在齿轮箱内的上第一中间轴、上第二中间轴、上行星轴、下第一中间轴、下第二中间轴和下行星轴;所述的差速主动齿轮固定在副传动轴上;差速从动齿轮空^在中心轴上,并与差速主动齿轮啮合;齿轮箱与中心轴伸出传动箱外的端部通过销钉固定;所述的中心非圆齿轮通过牙嵌与差速从动齿轮固定;上第一中间非圆齿轮和上第二中间非圆齿轮均固定在上第一中间轴上;上第一中间非圆齿轮与中心非圆齿轮啮合;上第三中间非圆齿轮和上中间斜齿轮均固定在上第二中间轴上;上第三中间非圆齿轮与上第二中间非圆齿轮啮合;上行星斜齿轮固定在上行星轴上,并与上中间斜齿轮啮合;下第一中间非圆齿轮和下第二中间非圆齿轮均固定在下第一中间轴上;下第一中间非圆齿轮与中心非圆齿轮啮合;下第三中间非圆齿轮和下中间斜齿轮均 The planetary bevel gear, and through a first intermediate shaft bearing in the gear box, the second intermediate shaft, a planetary shaft, a first intermediate shaft, a second intermediate shaft and the planetary shaft; the difference speed drive gear fixed on the countershaft; ^ empty differential speed driven gear on the central axis and meshes with the differential drive gear; gearbox protruding to the central axis of the outer end by a pin fixed to the transmission case; the center jaw via non-circular gear driven gear fixed to the differential; a first intermediate non-circular gear and the second intermediate non-circular gear are fixed on a first intermediate shaft; a first intermediate non-circular central gear and the non- circular gear; on the third intermediate non-circular gear and the intermediate bevel gear are fixed on the second intermediate shaft; on the third intermediate gear meshing with the second non-circular non-circular intermediate gear; planetary gear is fixed to the swash a planetary shaft, and meshes with the intermediate bevel gear; a first intermediate gear and a non-circular intermediate second non-circular gear are fixed to the lower first intermediate shaft; engaging the first intermediate gear and the non-circular central non-circular gear; the third intermediate non-circular gear are helical gears and the intermediate 固定在下第二中间轴上;下第三中间非圆齿轮与下第二中间非圆齿轮啮合;下行星斜齿轮固定在下行星轴上,并与下中间斜齿轮啮合; 所述上移栽臂的移栽臂壳体与上行星轴伸出齿轮箱外的一端固定,下移栽臂的移栽臂壳体与下行星轴伸出齿轮箱外的一端固定,且上移栽臂和下移栽臂设置在齿轮箱的同一侧;上移栽臂和下移栽臂的凸轮均与齿轮箱固定;上移栽臂和下移栽臂的结构完全相同。 A second intermediate fixed to the lower shaft; intermediate third non-circular gears meshes with a second intermediate non-circular gear; the planetary planetary bevel gear fixed to the lower shaft and engaged with the intermediate bevel gear; transplanting the upper arm transplanting planetary arm housing with the upper end of the outer shaft projecting stationary gear box, the lower arm housing transplanting transplanting arm fixed to the lower end of the outer shaft extension planetary gear box, and the upper and lower arms transplanting transplanting an arm disposed on the same side of the gear box; the transplanting transplanting lower arm and the cam arm are fixed gear box; identical structure transplanting transplanting arm and a lower arm.
2.根据权利要求1所述的差速轮系水稻钵苗宽窄行移栽机构,其特征在于:所述的上第一中间轴和下第一中间轴对称设置在中心轴两侧;所述的上第二中间轴和下第二中间轴对称设置在中心轴两侧;所述的上行星轴和下行星轴对称设置在中心轴两侧,上行星轴与中心轴、下行星轴与中心轴之间的轴交角均为a;上中间斜齿轮、上行星斜齿轮、下中间斜齿轮及下行星斜齿轮的螺旋角均为e;a = 20;e根据宽窄行移栽的行距要求取值。 2. A differential 1 according to the train wheel mechanism transplanting rice seedling wide and narrow, as claimed in claim wherein: said first intermediate shaft and a first intermediate shaft disposed symmetrically at both sides of the central axis; the on the second intermediate shaft and the second intermediate shaft disposed symmetrically at both sides of the central axis; said upper and lower planetary shaft arranged symmetrically on both sides of the planet shaft central axis, the central axis of the planet shaft, the planet shaft center shaft angle between the axes of both a; intermediate bevel gear, helical planetary gears, helical angle and the intermediate helical gear are helical gears of the planetary e; a = 20; e according to the requirements of wide and narrow spacing to take transplanting value.
3.根据权利要求1所述的差速轮系水稻钵苗宽窄行移栽机构,其特征在于:所述的上第一中间非圆齿轮与下第一中间非圆齿轮的几何参数完全相同,上第二中间非圆齿轮与下第二中间非圆齿轮的几何参数完全相同,上第三中间非圆齿轮与下第三中间非圆齿轮的几何参数完全相同;所述的上中间斜齿轮、上行星斜齿轮、下中间斜齿轮和下行星斜齿轮的几何参数完全相同,均是模数为3、齿数为17的左旋斜齿轮。 1 according to the differential gear train mechanism transplanting rice seedling wide and narrow, characterized in that claim: identical geometric parameters according to the first non-circular gear and the intermediate a first intermediate non-circular gear, geometric parameters of the second non-circular gear and the intermediate second intermediate gear is identical non-circular, identical geometric parameters on the third intermediate gear and a third non-circular intermediate noncircular gear; said intermediate bevel gear, planetary bevel gear, helical gear and said intermediate planetary helical gear geometry under exactly the same, are modulo 3, a left-hand helical gear teeth 17.
4.根据权利要求1所述的差速轮系水稻钵苗宽窄行移栽机构,其特征在于:所述的中心非圆齿轮、上第二中间非圆齿轮及下第二中间非圆齿轮的节曲线均由三次非均匀B样条曲线拟合而成,并由12个型值点的向径控制节曲线的形状。 The differential gear train transplanting rice seedling of Heads mechanism according to claim 1, wherein: said central non-circular gear, a second intermediate non-circular gear and the second non-circular gear intermediate pitch curve by non-uniform cubic B-spline curve fitting formed by the shape of 12 data points in the radial section of the control curve.
5.根据权利要求1所述的差速轮系水稻钵苗宽窄行移栽机构,其特征在于:所述的副传动轴齿轮和中心轴齿轮均为圆齿轮,且传动比为1,或为相互啮合的非圆齿轮;所述的差速主动齿轮和差速从动齿轮均为圆齿轮,且传动比1:2,或为相互嗤合的非圆齿轮。 The differential gear train transplanting rice seedling of Heads mechanism according to claim 1, wherein: said countershaft gear and the central gear are circular gears, and a gear ratio of 1, or to non-circular gears mesh with each other; said differential drive gear and the differential driven gear are circular gears, and the transmission ratio 1: non-circular gears engaged with each other laugh 2, or from.
6.根据权利要求1所述的差速轮系水稻钵苗宽窄行移栽机构,其特征在于:上移栽臂或下移栽臂的取秧夹片尖点所形成的移栽轨迹的取秧段在水平面上的投影为一条直线段。 1, according to the differential gear train mechanism transplanting rice seedling wide and narrow, as claimed in claim wherein: Take transplanting seedlings on a transplanting trajectory taken transplanting arm or the lower arm of the clip is formed cusps seedlings horizontal plane projection section is a straight line segment.
CN201610833213.1A 2016-09-20 2016-09-20 Differential gear train mechanism transplanting rice seedling of Heads CN106258115B (en)

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