Combined harvester for allium fistulosum

Abstract

The invention relates to the field of harvesting of crops and particularly relates to a combined harvester for allium fistulosum. The combined harvester comprises a machine frame, excavating equipment, a conveying device and a collecting device, wherein the conveying device comprises two rotating rollers, two conveying belts and a telescopic conveying belt, the telescopic conveying belt comprises a conveying belt and a conveying belt telescoping mechanism, the conveying belt telescoping mechanism comprises a gear I, a gear II, a short link I, a short link II and a long link, both the gear I and the gear II are fixedly arranged on a fixed plate at the rear part of the machine frame, the gear I and the gear II are engaged with each other, the gear II is arranged between the gear I and the short link II, one end of the short link II is connected with the fixed plate, the other end of the short link II is connected with one end of the long link, the other end of the long link is connected with the middle part of the conveying belt, one end of the short link I is in eccentric connection with the gear II, and the other end of the short link I is connected with the middle-lower part of the long link. According to the combined harvester for the allium fistulosum, roots of the allium fistulosum can be conveniently separated from soil, the soil clearing effect is good, the damage ratio of the allium fistulosum is lowered, and the harvesting efficiency of the harvester is greatly increased.

Description

technical field [0001] The invention relates to the field of crop harvesting, in particular to a scallion combine harvester. Background technique [0002] Scallion is a characteristic and advantageous industry in northern my country. Scallion is native to the west of my country, Central Asia and West Asia. It has a long history of cultivation in my country. It is one of the specialty vegetables in northern my country and a condiment loved by the northern people. It has been cultivated from the river basin to the Northeast. In recent years, the cultivated area in the south has been expanding year by year. It can be seen that the core quality and market competitiveness of the green onion industry are gradually strengthening. Green onions are usually planted on the ridge, and the body of the green onion is buried deep in the soil. The current harvest of green onions is generally done by semi-automatic machinery or manual harvesting. First, the soil on one side of the onion body ...

AI Technical Summary

Problems solved by technology

Green onions are usually planted on the ridge, and the body of the green onion is buried deep in the soil. The current harvest of green onions is generally done by semi-automatic machinery or manual harvesting. First, the soil on one side of the onion body is dug out to expose the entire white part of the onion, and then the body of the onion is pulled out manually. Come out, pull out, shake off the attached soil, and then collect and stack. Since it is basically a manual operation, the labor intensity is high, the efficiency is low, and the harvesting cost is high. Compared with the existing Semi-automated harvesting of green onions or artificial harvesting of green onions, the cost of harvesting green onions is lower, and the consumption of energy resources, manpower and material resources is less

[0003] Although the existing mechanical harvesting method has improved the efficiency to a certain extent, it still has the following defects: (1) the existing machinery separates the green onion from the soil at the bottom or the side to a certain extent, but the root of the green onion still binds with the surrounding soil. blocks together, it is necessary to manually pull out the scallions from the clods and shake off the small clods attached to the roots of the scallions, which takes a lot of work and effort; (2) the existing conveyor belt adopts a hydraulic telescopic device in the reciprocating movement process, and the hydraulic mechanism High cost, high repair and maintenance costs; (3) In the existing harvester, after the scallions are transported to the collection device, they can only be piled up in a certain fixed area of ​​the collection device. After the scallions in this area are full, they must be shut down After the scallions are taken out from the collection device, follow-up work can be carried out. At this time, only a small amount of scallions have been piled up in other areas of the collection device, which greatly reduces the harvesting efficiency of the harvester; (4) the cleaning of the existing scallion harvester The mechanism is easy to damage the green onions, and the soil cleaning effect is not good

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