The main function of the universal joint is to compensate the offset between the tractor's power output shaft and the first shaft of the rotary cultivator, and to drive the rotary cultivator with maximum transmission efficiency and torque, and at the same time protect the rotary cultivator when the load is greater. Due to improper use, it often breaks the shaft of the power output shaft of the tractor and damages the universal joint. Therefore, you must pay attention to the following issues when using it. 1. The universal joint model should match with the rotary cultivator. Several kinds of universal joints can be matched with the rotary cultivators that are equipped with small tractors. If they are not selected correctly, they will cause man-made accidents. For example, with universal joints of 1.25 m and 1 m rotary cultivators, the shape is basically the same, but not universal. The former is 30 mm longer than the latter. If it is used in the latter, it will drive the tractor. Output shaft head broken. 2. When the universal joint is installed, the joints at the ends of the middle shaft must be in the same plane, so that the transmission efficiency is high. Conversely, if the direction is wrong, it will produce large vibrations and noises, which can easily damage the parts. 3. The square shaft and the square pumping sleeve of the universal joint are sliding joints. When the rotary cultivator moves up and down or swings left and right, the square shaft can expand and contract within the square sleeve to ensure normal rotation without coming out. Therefore, the square pumping and the main sleeve and the clamp must not be top dead, but must also have sufficient fitting length, otherwise the tractor's power output shaft head will be damaged, and the top cracking shaft head support bearing will be damaged. In order to prevent it from dying, the height of the rotary cultivator must be limited during operation. When the head is turned to the keeper, the blades lie 10 to 15 centimeters from the ground. 4. When the cultivator is reduced to the depth of ploughing, the universal joint and the rotary cultivator's first axis should be close to the horizontal position. Use a tractor pull rod to adjust if necessary. 5. When the rotary cultivator is working, the joint angle must not exceed plus or minus 10. , Land transfer may not exceed 30. If more than 30. The gimbal will be awkward and "gurgling"; over 45. , it will damage the universal joint assembly. 6. When transporting long distances, remove the universal joint. 7. Always check and lubricate the universal joint. The joints of the universal joint are very fragile, so always check and add butter in time.
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