Safe use technology and maintenance method of disc harrow
Release time:
2022-05-23 16:50
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Disc harrow is one of the more important soil preparation machinery in ploughing machinery. Disc harrow is mainly used for sawdust and flat land after ploughing. It can also be used for shoveling soil, weeding, mixing fertilizer, shallow ploughing after harvest, reducing stubble, loosening soil before sowing, spreading mulch after aircraft, and sometimes for soil and water conservation. At present, disc harrow is widely used in agricultural production, so let's learn about the safe use of technology and maintenance methods of disc harrow!
One. Installation and adjustment of disc harrow
1. Installation
1) Clean up the parts to be assembled, remove rust, remove oil stains, and place them according to types.
2) first set up rake group, rake group on the rake group spacing is equal, the allowable range is 8mm.
3) On the flat ground, rack the rake on the special bracket, and then install the rake group, deep drawing ring, transportation ring and other components in turn.
4) Assemble hydraulic or pneumatic systems.
5) Adjust after final assembly.
2. Debugging
The adjustment of the machine should be adjusted manually to check the convenience, flexibility and correctness of the movement of the movable parts. For the adjustment of hydraulic or pneumatic machinery, you can use a self-made hydraulic or pneumatic adjustment table to check the convenience, flexibility and correctness of the hydraulic or pneumatic mechanism. Or installed on the tractor, connect the hydraulic system or pneumatic system, check the respective adjustment status. Commissioning requirements:
1) Required level of trailing suction.
2) Rake tooth depth adjustment is flexible and convenient.
3) The landing gear is flexible and effective, easy to operate and stable.
2 Maintenance of disc harrow
1. class maintenance
1) After each shift, clean up the soil and straw rolls on the rake, scraper, deep drawing wheel, etc.
2) Check the fastening state of all fastening bolts, and tighten them if they are loose.
3) For parts requiring lubrication such as rake tooth bearing, deep drawing wheel, conveying wheel and adjusting screw, add grease or lubricating oil 1~2 times per shift. Add lubricating oil or butter to each rotating part to ensure its flexible operation.
4) Check the gap between the scraper and the rake teeth to observe whether there is friction.
2. Quarterly Maintenance
1) After the end of the quarterly work, the inspection and maintenance of each part shall be carried out. Check the wear and damage of the rake, and repair or replace it in time if it exceeds the regulations.
2) Lubricate the lubrication parts and apply anti-rust oil to the exposed screw rod and revocation.
3) The whole rake shall be kept clean. Coat the surface of the rake with anti-rust oil, replace the lubricating grease in the bearing, add lubricating oil to the lubricating parts, and coat the rake with oil to prevent rust.
3. Long-term parking maintenance
1) When the disc harrow is parked for a long time, the harrow shall be laid with wooden boards. Apply anti-rust oil on hydraulic or pneumatic joints, wrap them with plastic paper to prevent bumping damage, and park them on high ground and cover them with thin sheets to avoid being wet by rain.
2) Grease injection position) Lubrication points of disc harrow teeth such as rake tooth bearings, deep drawing wheels, conveying wheels, etc.
Three. Use of disc harrow
1. Check whether the fastening bolts and nuts are loose before use, and tighten them when they are loose. 2. The thickness of the rake blade shall be less than 0. 5, the length of the defect of the blade shall be less than 15mm, the defect of one rake blade shall not exceed 3, and the square shaft shall be flat without defect.
3. The nut at the front end of the square shaft should be tightened and locked, and the rake must not be loose. Otherwise, the inner hole of the rake will bite the square shaft into a circle.
4. Repair, inspection and adjustment of rake materials are strictly prohibited during work. It is not allowed to make sharp turn or retreat in the operation of tractor rake bucket, and the hanging rake bucket can only be carried out after lifting the rake bucket when turning or retreating.
5. When working, the appropriate trailing suction method should be selected according to the soil quality, plot size, shape and agricultural technical requirements. The commonly used method is the trailing suction method, which is suitable for trailing suction and shallow tillage to reduce stubble; the trailing suction method is suitable for trailing suction after field farming.
The above is the safe use of disc harrow technology and maintenance methods, if you need to know more, you can contact us at any time!
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The correct use and maintenance of the disc harrow: in operation, the technical condition of the rake, scraper, square shaft, bearing, angle adjuster and connecting parts should be checked frequently, especially the end nut of the disc harrow group and the fixing bolts of each bearing. If it is found loose, tighten it in time, and remove the weeds and dirt on the workpiece in time.
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