High-speed pot seedling transplanting mechanism with free second-order non-circular gear and planet system

Abstract

The invention discloses a high-speed pot seedling transplanting mechanism of a free second-stage non-circular gear planetary system. The power is transmitted from the central shaft to the planetary carrier, the free second-stage central non-circular gear is fixedly connected to the frame, the two free second-stage intermediate non-circular gears are hinged to the planetary carrier through two intermediate shafts, and the two free second-stage planetary non-circular gears are connected through two The planetary shaft is hingedly connected to the planet carrier, the two free second-stage intermediate non-circular gears are connected to the two free second-stage central non-circular gear pairs, the two free second-stage planetary non-circular gears are connected to the two free second-stage intermediate non-circular gear pairs, Two free second-stage planetary non-circular gears are splined connected with two planetary shafts, and two seedling claws are fixedly connected with the two planetary shafts. The transmission of the free second-order non-circular gear forms the "bu-shape" trajectory required for pot seedling transplanting. The high-speed pot seedling transplanting mechanism of the free second-order non-circular gear planetary system has a compact structure and stable transmission. The planetary frame rotates once and transplants twice. , high efficiency, meet the requirements of pot seedling picking and planting, and adapt to paddy field and dry land transplanting operations.

Description

technical field [0001] The invention relates to a transplanting machine in agricultural machinery, in particular to a high-speed pot seedling transplanting mechanism of a free second-stage non-circular gear planetary system. Background technique [0002] Transplanting has the comprehensive benefits of climate compensation and early crop growth, and can make full use of light and heat resources, and its economic and social benefits are very considerable. Potted seedling transplanting operations in paddy fields and dry land require the development of high-speed potted seedling transplanting mechanisms. [0003] The rotary transmission mechanism of the planetary gear system has been applied in the rice transplanter. The rice transplanter is a kind of planting machine for blanket seedlings. The needle does not need to enter the pot. The seedlings are taken out by tearing the soil block. The pot seedling transplanting machine needs the needles to enter the pot seedling tray to h...

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Problems solved by technology

[0003] The rotary transmission mechanism of the planetary gear system has been applied in the rice transplanter. The rice transplanter is a kind of planting machine for blanket seedlings. The needle does not need to enter the pot. The seedlings are taken out by tearing the soil block. The pot seedling transplanting machine needs the needles to enter the pot seedling tray to hold the seedlings, and can not damage the pot tray or damage the roots, so the trajectory needs a sharp protrusion; from the seedling needles entering the pot body to completely leaving the pot body, The movement direction of the seedling needles is kept parallel to the direction of the pot body, that is, the seedling needles need a movement track close to a straight line. The planetary system non-uniform speed transmission mechanisms such as elliptical gears and eccentric non-circular gears used in the existing planting machinery are all The above requirements cannot be met, and the special trajectory required by the pot seedling transplanting machine hinders the application of the rotary planetary gear system mechanism on the transplanting machine, that is, the rotary seedling separation mechanism cannot be used to overcome the shortcomings of the existing seedling separation mechanism

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