A special seed metering device for taro

Abstract

The invention discloses a seed metering device special for taros and belongs to the field of agricultural machines. The seed metering device is composed of a linear track part, a rotating part and a grabbing part. The seed metering device is characterized in that sliding blocks vertically move, power of the sliding blocks comes from the operation that rotating shafts on the top of a taro sowing machine drive cranks, and the cranks and the sliding blocks are connected through rockers; swing rods connected with the sliding blocks can move vertically, the curve sliding block on the leftmost side moves on a curve track, the swing rods are made to swing left and right, the swing rods are connected with scissor-type long rods, the two topmost ends of each long rod are each connected with another curve track through the corresponding curve sliding block, an upper swing frame and a lower swing frame are adopted to support the curve tracks, supporting frames can synchronously swing along with swing of the swing rods through the connection of the three parts and the restriction of the mutual action force, and the two curve sliding blocks move vertically on the curve tracks. By means of the seed metering device, precision seed metering of the taros can be achieved, damage to main buds of the taros in the sowing process is avoided, it can be ensured that the main buds of the taros in soil are upward, and thus the problem that an existing sowing device cannot effectively sow the taros is solved.

Description

technical field [0001] The invention belongs to the field of agricultural machinery, and relates to a seed metering device for a planter, in particular to an on-demand seed metering device for seed metering through a mechanical structure. Background technique [0002] According to the way of seeding, the seed metering device can be divided into: sowing type, drill type, and on-demand type. Sowing type seeding is rarely used for general crops, and it is mostly used for planting grass and afforestation in large areas. Drill seeding is a uniform seed flow, mainly used for grain sowing, such as wheat, sorghum, etc. The on-demand type is mainly suitable for crops such as corn, cotton, peanuts, and potatoes. [0003] The design of the seed metering device this time is aimed at sowing taro, which is similar to potato, but the potato seed meter is not suitable for sowing taro. There are many special requirements in the process of sowing taro, for example, the main bud of taro mus...

AI Technical Summary

Problems solved by technology

None of the existing mechanical seed metering devices can sow taro with high quality, and most of the seeds loaded in the seed box are stacked. If the number is too large, the taro will be squeezed and collided with each other, which will cause certain damage to the main bud of the taro.

According to the working principle of the potato metering device, it only needs to ensure that potatoes are sown at a certain distance. If it is used to sow taro, it cannot guarantee that the main bud of taro will be upward after sowing in the soil, which will affect the growth of taro.

The working principle of the existing mechanical on-demand seed meter cannot meet the requirements of sowing taro

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