Analysis of Causes and Elimination of Blockage of Corn Harvester Drum and Reamer

In recent years, with the promotion of state subsidy policies, more and more farmers have used corn harvesters instead of traditional manual harvesting. With the popularity of corn harvesters, some problems have also emerged, such as some failures during use. Because it is a new type of agricultural machinery equipment, once a failure occurs, many friends do not know how to eliminate it. Xinxin Heavy Industries, with its many years of experience in R&D and manufacturing of agricultural machinery, and return visits to some customers, summed up a series of causes and solutions to the common malfunctions of corn harvesters, hoping to solve everyone's urgent needs. Today, Xinxin Heavy Industry experts explain why and how to remove the blockage of the corn harvester drums and recombiners.

1. Causes of roller jam
(1) The engine power is insufficient. When the drum load increases, the speed suddenly drops to cause blockage.
(2) The job clutch slipped. The common cause of slippage is grease on the friction plates, wear or damage of the friction plates, improper adjustment of the clutch clearance of small corn harvesters, etc.
(3) The belt slips. In addition to the belt being heavily worn, loose, or stained with oil, it is a common cause for the tension nut to loosen and adjust the nut.
(4) Improper roller speed adjustment.
(5) The throttle is too small.
(6) The position of the upper and lower bars on the manuscript draft wheel is improperly adjusted, and the roller jam is often caused because the clearance is too small and the mixture cannot pass through quickly. There should be a clearance of 5 mm to 15 mm between the upper grid and the draft roller cylinder, and a suitable gap of 30 mm between the lower grid and the draft wheel tip. If the installation of the upper grille is improperly adjusted, the draft roller will hang the straw when working; if the position of the lower grill is improperly adjusted, it will not play a guiding role for the straw, so that the roller can not be smoothly thrown straw backward, thus causing Blocked. (7) After the grid-shaped concave plate is clogged by the hybrid, it is not removed in time, so that the gap between the roller and the concave plate becomes smaller, causing blockage.
(7) The harvester is not moving at the right speed.
(8) Improper adjustment of the clearance between the drum and the concave plate.
(9) The feed amount is too large.

2. Reasons for the plugging off of the stripper The function of the stripper is to thresh again the unspilled remaining spikes screened off from the rest of the screen, return it to the cleaning screen, and re-pick it off. If the tail screen opening is too large during the operation of the corn harvester, the crushing stems entering the reclamation device will be greatly increased and the stripper will soon be blocked.

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