Hydraulic cylinders are widely used in agricultural machinery. They convert liquid pressure into mechanical energy through hydraulic systems to drive various agricultural machinery and equipment to perform accurate operations. With the continuous development of modern agriculture, hydraulic technology has been widely used in agricultural machinery, especially in sowing, tillage, fertilization, harvesting and other links. Hydraulic cylinders have greatly improved the operating efficiency. The following are several main applications of hydraulic cylinders in the agricultural machinery industry.

1. Tillage machinery
In tillage machinery (such as tractors, plows, harrows, tillage machines, etc.), hydraulic cylinders are often used to adjust and control the depth, width and angle of operation. For example, hydraulic cylinders can control the lifting and angle adjustment of the coulter, so that it can adapt to the tillage needs under different soil conditions. In multi-functional tillage machines, hydraulic cylinders are also used to drive the lifting and lowering of multiple working parts to ensure that the soil is evenly plowed and loosened.

2. Seeders
The application of hydraulic cylinders in seeders is also crucial. During the sowing process, hydraulic cylinders are used to adjust the walking depth, width and lifting of the seeder. By controlling the sowing depth, the seeds can be evenly and timely sown into the soil, improving the emergence rate and growth conditions of crops. At the same time, the hydraulic cylinder can also adjust the height of the seed cover plate to ensure that the thickness of the soil cover layer is appropriate.

3. Tractors and self-propelled machinery
Tractors and self-propelled machinery (such as harvesters, fertilizer machines, sprayers, etc.) widely use hydraulic cylinders for power drive and operation adjustment. Hydraulic cylinders can be used to control the working parts of the equipment, for example:
Lifting control: The hydraulic cylinder can drive the lifting and lowering of the tractor blade or the harvester head, so that it can automatically adjust the operating depth according to the height of the soil or crop to avoid damaging the crop or soil compaction.
Power transmission and adjustment: In the harvester, the hydraulic cylinder is used to adjust the height and angle of the harvester's header to meet the harvesting requirements of different crops.

4. Fertilization and spraying equipment
Hydraulic cylinders also play an important role in fertilization and spraying equipment. In the fertilizer truck, the hydraulic system is used to control the opening and closing and adjustment of the fertilizer device to ensure uniform spreading of fertilizer. In the sprayer, the hydraulic cylinder is used to adjust the lifting and spraying angle of the spray arm to achieve spraying, reduce pesticide waste and avoid environmental pollution.

5. Harvesting machinery
Agricultural equipment such as harvesters and combine harvesters use hydraulic cylinders to control the lifting, angle and movement of their multiple working parts. The hydraulic cylinder drives the lifting and lowering of the harvesting head to adapt it to the height of different crops. The hydraulic system can also adjust the pressure of the baler to ensure the baling process. At the same time, the hydraulic cylinder can be used to control the lifting and lowering of the grass collecting device or the conveyor belt to help the smooth transportation of the harvested crops.

6. Fruit tree picking machinery
Fruit tree picking machinery controls the lifting, extension and rotation of the picking arm through hydraulic cylinders to ensure that the fruit trees or fruits are not damaged during the picking process. The hydraulic cylinder can also adjust the height and angle of the picking head to adapt it to fruit trees of different types and heights and improve the picking efficiency.

7. Other agricultural machinery
Hydraulic cylinders also play an important role in other agricultural machinery. For example, in tractor attachments, hydraulic cylinders are widely used to drive the lifting and angle adjustment of lawn mowers, soil rakes, seed drills and other attachments. In addition, hydraulic cylinders are also used in farm automation equipment, such as automatic feeding systems, greenhouse planting equipment, etc.