Design method for reducing drag and loss due to vibration of soil-contacting parts of agricultural machinery

Abstract

A design method for reducing vibration resistance and consumption of soil-contacting parts of agricultural machinery, which is implemented in ten steps. When the soil-contacting parts of agricultural machinery interact with the soil, the physical and chemical properties of the soil determine the resistance when the soil-contacting parts of agricultural machinery are in contact with the soil. Different soil types have different design parameters for the soil-contacting parts of agricultural machinery. According to different soil types and soil physical and chemical properties, the design method of the present invention designs agricultural machinery vibration soil-contacting parts with different vibration frequencies and amplitudes, and demonstrates the relationship between the setting of effective vibration parameters, soil properties and tractor energy consumption from a theoretical point of view , using a small vibrator to effectively vibrate the soil-contacting area of ​​agricultural machinery parts to avoid excessive vibration energy consumption. The optimized vibration parameters can not only reduce the working resistance of the soil-contacting parts, but also effectively reduce the energy consumption of the tractor.

Description

technical field [0001] The invention relates to the field of resistance reduction and consumption reduction of soil-contacting parts of agricultural machinery, in particular to a design method for reducing resistance and consumption by vibration of soil-contacting parts of agricultural machinery. Background technique [0002] As the problem of energy shortage continues to aggravate, people always hope to use the least power or energy to obtain the maximum output, so as to save resources and improve production efficiency. However, the dissipation of energy is an unavoidable problem in actual production. Statistics show that the primary energy consumed by friction alone accounts for 1 / 3 of the world. Therefore, scholars have never stopped researching on drag reduction technology and drag reduction theory. [0003] However, the application principles of gas, liquid and solid in the drag reduction technology are quite different. The drag reduction of soil-contacting parts of a...

AI Technical Summary

Problems solved by technology

[0004] Although the existing vibration and drag reduction technology in the field of agricultural machinery has been greatly developed, the vibration source of most agricultural machinery vibration soil contact parts is cam or crank connecting rod, and most of these vibration modes are low-frequency vibration. The working resistance of the components, but the total energy consumption of entering the soil increases instead, and it is impossible to achieve drag reduction in the true sense, wasting a lot of manpower and material resources

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