1. The supporting power for the 150-type straw returning machine is large and medium-sized tractors, while the small straw returning machine is powered by small four-wheel tractors. Due to the different structural dimensions of the tractor itself, there are differences in the suspension system. When supporting large-scale equipment, pay attention to the length of the universal joint square shaft for power transmission. When the supporting power is Shanghai-50 tractor, the square shaft length is 250 mm; when the supporting power is the Tikuk-55 tractor, the square shaft length is 320 Millimeters; other universal. 2. After installing and debugging the straw returning machine and the matching host, the unit should be adjusted: 1 Horizontal horizontal adjustment: Place the unit on the horizontal plane to observe, and adjust the length of the left and right suspenders to make the horizontal horizontal of the implement; Adjust and adjust the length of the central pull rod to make the machine tool vertical. 3 Adjust the gap between the cutter tooth and the ground. Adjust the ground wheel in the field so that the distance between the tooth end and the ground is 1 cm to 2 cm. 3. Operation requirements The operation requirements of the straw returning machinery are: 1 First, start the operation and then return the straw returning machine to the working position before the field operation, gradually increase the throttle after the power is engaged, and start the operation after normal operation; If the turn is slow, the unit should reduce the speed and make a slow turn. If there are many surface crucibles, the machine tool should be slowly raised, and the work should be resumed after the turn. 3 During transportation, attention must be paid to land transfer and no-load transportation. Cut off the power of the unit and then raise the unit. If it is semi-mounted, it is also necessary to pay attention to adjusting the ground wheel so that the unit is in a transport state. 4. Safety Tips It is forbidden to troubleshoot the operation, overhaul the equipment, lift the rotation, and stand behind the machine. If there is abnormality in the unit, it should be stopped and checked before it can be rectified. 5. Grasp the quality 1 straw moisture crop into the yellow ripening period, you can pick the ear. The straw and leaves of the crop during the yellow ripening period are yellow-green, the water content is generally above 30%, and the straw is brittle and not completely fibrous. At this time, the straw smashing effect is better. After returning the field, the straw itself and the soil moisture in the field can also be used to accelerate the decay of the straw. If the returning field is not timely, dry straw and dry ground will increase the length of the smash, and the effect will be poor. After ploughing, the straw will absorb moisture in the soil and partially dry and heat, which will affect the seed germination and root growth of the sowed crop. therefore. The relatively dry straw can't be directly reseeded after returning to the field. If conditions permit, it can be reseeded after watering. 2 Retention height The gap between the cutter teeth and the ground directly affects the stubble height and returning quality. The gap of 1 cm to 2 cm is the value of the unit in actual operation. The main factors affecting are the dry, wet, hard and loose soils in the plots. Actual operations generally use the observation method to determine the clearance, and the unit oper- ates to adjust the hydraulic control limit nut (separate suspension system should adjust the position of the limit plate on the hydraulic cylinder), so that the straw cutter blade can fully stalk the straw. It is advisable to crush without putting in soil. This work requires repeated adjustments in the field with vertical leveling. 3 Belt Tension In the field of returning straw to straw, there are often problems of sparse field returning to the field, turbulent field unit rotation speed, and poor returning quality. This is mainly due to increased unit load, belt slip, and wheel heating. Caused. Therefore, the tension of the V-belt should be checked frequently. 4 After the disposal of the straw, the rot shall be used for smashing and smashing the root system immediately after returning the crop; timely ploughing will cover the straw tightly. And maintain moisture, promote early rot into rot.
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