Elliptic combined-type concave and convex conjugate gear planetary gear train seedling taking mechanism
A technology of elliptical gears and planetary gear trains, applied in planting methods, transplanting machinery, applications, etc., can solve the problems of low efficiency of semi-automatic vegetable transplanting machines, low efficiency of manual planting work, unfavorable stability of seedling picking, etc., to achieve The effect of light weight, simple structure and smooth motion track
Active Publication Date: 2019-06-11
ZHEJIANG SCI-TECH UNIV
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Problems solved by technology
[0002] Due to the shortage of human resources in our country, manual transplanting of vegetable seedlings is labor-intensive, and the efficiency of manual planting is low, and the efficiency of the existing semi-automatic vegetable transplanting machines is not high. my country urgently needs to develop an efficient automatic vegetable transplanting machine
[0003] The seedling picking mechanism of the existing transplanting machine adopts the planetary gear train transmission mechanism and the locking arc mechanism to achieve the seedling picking track, but in the transition stage between the locking arc transmission and the gear transmission, due to the sudden change of the transmission ratio, a large Impact, which is not conducive to ensuring the stability of seedling picking in high-speed operation
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[0019] Such as figure 1 , 2 Shown in and 3, a kind of ellipse-combined concave-convex conjugate gear planetary gear train seedling picking mechanism comprises a central shaft 1, a planet carrier 2, a central elliptical gear 3, a first intermediate elliptical gear 4, a second intermediate elliptical gear 5, First intermediate shaft 6, second intermediate shaft 7, first intermediate combined gear, second intermediate combined gear, first planetary combined gear, first planetary shaft 11, second planetary combined gear, second planetary shaft 13 and get seedling arm 14. One end of the central shaft 1 is connected with the power unit, and the other end is fixedly connected with the planet carrier 2 (made up of the left planet carrier shell 2-1 and the right planet carrier shell 2-2 fixed together); the central oval gear 3 is connected with the machine The frame is fixedly connected; the first intermediate shaft 6 and the second intermediate shaft 7 are symmetrically arranged on ...
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The invention discloses an elliptic combined-type concave and convex conjugate gear planetary gear train seedling taking mechanism. The problem that the transmission shock of a locking arc of an existing planetary gear train seedling taking mechanism is large is solved. A central elliptic gear of the mechanism is simultaneously meshed with a first middle elliptic gear and a second middle ellipticgear; when a first elliptic incomplete gear is meshed with a third elliptic incomplete gear, a first concave gear is separated from a first convex gear; when the first elliptic incomplete gear is separated from the third elliptic incomplete gear, the first concave gear is meshed with the first convex gear; when a second elliptic incomplete gear is meshed with a fourth elliptic incomplete gear, a second concave gear is separated from a second convex gear; when the second elliptic incomplete gear is separated from the fourth elliptic incomplete gear, the second concave gear is meshed with the second convex gear. According to the elliptic combined-type concave and convex conjugate gear planetary gear train seedling taking mechanism, the incomplete non-circular gears are arranged at the secondstage, a concave and convex conjugate gear is utilized for replacing the locking arc, and shock generated when the incomplete non-circular gears are meshed is significantly lowered.
Description
technical field [0001] The invention belongs to the field of agricultural transplanting machinery, and relates to a vegetable seedling picking mechanism, in particular to an ellipse-combined concave-convex conjugate gear planetary gear system seedling picking mechanism. Background technique [0002] The shortage of human resources in our country, the labor intensity of manual transplanting of vegetable seedlings, the low efficiency of manual planting, and the efficiency of the existing semi-automatic vegetable transplanting machines are not high. Our country urgently needs to develop an efficient automatic vegetable transplanting machine. [0003] The seedling picking mechanism of the existing transplanting machine adopts the planetary gear train transmission mechanism and the locking arc mechanism to achieve the seedling picking track, but in the transition stage between the locking arc transmission and the gear transmission, due to the sudden change of the transmission rati...
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IPC IPC(8): A01C11/02A01C11/00
Inventor 刘朋飞童志鹏俞高红黄佳辉葛彦杰
Owner ZHEJIANG SCI-TECH UNIV
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