Double-header harvester with crawling ladder and capability of uniformly crushing straws

Abstract

The invention discloses a double-header harvester with a crawling ladder and capability of uniformly crushing straws. The harvester comprises an upper header, a lower header and the crawling ladder, the upper header is hinged onto a front axle of the harvester, the lower header is fixedly welded on the front axle of the harvester and positioned below the upper header, the upper header comprises an upper header main frame, an upper cutting mechanism, an auger, a reel and an upper header lifting mechanism, and the lower header comprises a lower header main frame, a lower cutting mechanism, a straw crushing mechanism and a transmission mechanism. A chamfer is arranged at an extending end of a straw crushing blade to form a cutting edge, the chamfer is positioned on the outer side of the straw crushing blade, and an adjustment gap is formed in the top of a swing arm. The double-header harvester with the crawling ladder and capability of uniformly crushing the straws can cut and crush the straws remaining after grain harvesting, the feed quantity of the harvester is reduced, loss and the threshing load of the harvester are reduced, and threshing effects are improved. The heights of cut stubbles can be kept consistent, the cut stubbles are low and smooth, plowing is facilitated, the straws are uniformly crushed, and the crawling ladder can be used for safe and convenient climbing and can also be used as a safety fence.

Description

technical field [0001] The invention relates to the technical field of agricultural machinery, in particular to a harvester with a ladder and a double-header that crushes straw evenly. Background technique [0002] At present, the country advocates that the straw should be returned to the field after harvesting, and then deeply plowed into the soil to fertilize the field. It is strictly forbidden to burn the straw. At the same time, the straw should be chopped and collected or returned to the field or not crushed. Also harvest the stalk portion of the grain. The cutting devices of today's harvesters are all composed of single-layer headers, which harvest the ears and stalks of the grain together, feed the cut grain stalks and ears of grain into the harvester, complete threshing and discharge the stalks . The disadvantages are that the cut stalks are long, the feeding amount is large, which affects the threshing effect, the machine is damaged, the energy consumption is high...

AI Technical Summary

Problems solved by technology

The disadvantages are that the cut stalks are long, the feeding amount is large, which affects the threshing effect, the machine is damaged, the energy consumption is high, and the efficiency is low; The long straw is not easy to decompose after being returned to the field and becomes the base fertilizer

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