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