Rotary cultivators are powered soil-cultivation implements that are driven by tractor power output shafts that rotate the blades. Its ability to cut soil and crush soil is strong, and one operation can achieve the effect of several plowshares. After plowing, the surface is flat and finely crushed, and labor can be saved when it can grab the farm.
The rotary cultivator is mainly composed of a frame, a transmission device, a rotary cutter shaft, a blade, a tillage depth adjusting device, a cover shell and the like. Knife shafts and blades are the main working parts of rotary cultivators. The cutter shaft is made of seamless steel tube. The shaft head is welded at both ends of the shaft and is supported by a pair of rolling bearings. The cutter shaft is welded with a knife holder for blade installation. The blade is curved or hooked, and it is fixed to the blade by screws. The edge of the blade has the function of cutting soil and cutting off weeds.
When the rotary cultivator is in operation, the cutter shaft and the blade are driven by the tractor power output shaft for rotary motion on the one hand; on the other hand, the tractor performs forward movement and performs an equal-speed linear motion. In the process of cutting the soil, the blade cuts the soil first. As the blade rotates at a high speed, the soil block is subjected to centrifugal force and then throws it back toward the rear. The soil block hits the cover and the pallet and is broken up to form fine soil particles. Fall back to the surface. As the rotary cultivator continues to advance, the blade continues to loosen the uncultivated land.
The curved blade has a strong adaptability to soil, and the northern rotary cultivator uses such a blade. The hook blade has good earthing performance and requires little power, and is mainly used for paddy field farming. If paddy fields are returned to paddy field and need to be refitted, add 2-3 straight discs (diameter 400-500 mm) to the cutter shaft to press the straw, which can reduce the tangling of the cutter shaft and blades. operation. Hook-shaped knives also work well on green manure fields.
It should be noted that as the rotary cultivator operates, the force and vibration are relatively large. Therefore, the blade fixing screws must be checked and tightened so as to prevent the blades from loosening, causing damage to the implements and even accidents caused by flying knives.
The rotary cultivator is mainly composed of a frame, a transmission device, a rotary cutter shaft, a blade, a tillage depth adjusting device, a cover shell and the like. Knife shafts and blades are the main working parts of rotary cultivators. The cutter shaft is made of seamless steel tube. The shaft head is welded at both ends of the shaft and is supported by a pair of rolling bearings. The cutter shaft is welded with a knife holder for blade installation. The blade is curved or hooked, and it is fixed to the blade by screws. The edge of the blade has the function of cutting soil and cutting off weeds.
When the rotary cultivator is in operation, the cutter shaft and the blade are driven by the tractor power output shaft for rotary motion on the one hand; on the other hand, the tractor performs forward movement and performs an equal-speed linear motion. In the process of cutting the soil, the blade cuts the soil first. As the blade rotates at a high speed, the soil block is subjected to centrifugal force and then throws it back toward the rear. The soil block hits the cover and the pallet and is broken up to form fine soil particles. Fall back to the surface. As the rotary cultivator continues to advance, the blade continues to loosen the uncultivated land.
The curved blade has a strong adaptability to soil, and the northern rotary cultivator uses such a blade. The hook blade has good earthing performance and requires little power, and is mainly used for paddy field farming. If paddy fields are returned to paddy field and need to be refitted, add 2-3 straight discs (diameter 400-500 mm) to the cutter shaft to press the straw, which can reduce the tangling of the cutter shaft and blades. operation. Hook-shaped knives also work well on green manure fields.
It should be noted that as the rotary cultivator operates, the force and vibration are relatively large. Therefore, the blade fixing screws must be checked and tightened so as to prevent the blades from loosening, causing damage to the implements and even accidents caused by flying knives.
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