Research on Measures of Improving Grape Cracking with Soil Moisture Detector
Daily maintenance of excavator hydraulic cylinders
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The determination of soil moisture by a soil moisture detector revealed that during the maturation period (the end of July) of rose, rose, and other varieties, the amount of rainfall was large, and cracking occurred easily. This is because the pericarp or root sucks rainwater into the fruit pieces and the bulge develops in the fruit pieces and cracks from the cracks in the peel as a result of close development. In addition to fruit cracking, such as rose, rose, etc., fruit crack strength is related to fruit peel strength and water pressure, the influence of cultivation conditions on peel strength cannot be ignored. The intensity of peel is affected by the sunshine, ventilation, and fertilizer in the garden. Park dark, poor ventilation, high humidity, too much nitrogen fertilizer will lead to weakened fruit peel and cracking occurs. Rapid rainfall (or irrigation) after drying also contributes to the occurrence of cracking.
The soil moisture tester also measured the soil moisture of the Kyoho cultivars. It can be clearly found that the soil conditions and the amount of fruit set have a great influence on Kyoho's cracking, among which the soil conditions have the strongest influence. Due to poor drainage in clay soils, dry and wet changes are intense and there are many crackers. In particular, the sunny days after the rain make the temperature rise sharply and adversely affect the fruit. Excessive fruit can also produce cracks.
Therefore, in order to prevent this phenomenon of cracking and reducing the quality of grapes, it should be properly irrigated to maintain a certain amount of soil moisture, anti-crack fruit is very obvious. According to the detection test of the soil moisture detector, not watering not only increased cracking, but also caused more leaf scorching, lower sugar content and poor quality. In addition, when the fruit enlargement, the growth stagnation in the hard nucleus stage is obvious, and the fruit granules are swollen rapidly in the later stage and are prone to cracking. In particular, when the transition to the dry period occurs after the rainy season, irrigation is performed very early to prevent rapid water changes and prevent fruit cracking.
The hydraulic cylinder of an excavator is one of the important hydraulic components responsible for driving and controlling mechanical movements. In order to ensure the normal use of hydraulic cylinders and extend their service life, daily maintenance is necessary.
1. Regularly clean the hydraulic cylinder: During use, the hydraulic cylinder will be attacked by various pollutants, such as dust, sediment, oil stains, etc. These pollutants can affect the working efficiency and lifespan of the hydraulic cylinder. Therefore, it is necessary to regularly clean the hydraulic cylinder.
2. Regular inspection of seals: The seals of hydraulic cylinders are key components to ensure their normal operation. If the seals are damaged or worn, it can lead to oil leakage or unstable operation of the hydraulic cylinder. Therefore, it is necessary to regularly inspect the sealing components of the hydraulic cylinder and replace them in a timely manner if there is any damage or wear.
3. Regular inspection of hydraulic oil: The operation of hydraulic cylinders requires the support of hydraulic oil, so the quality of hydraulic oil has an important impact on the working effect of hydraulic cylinders. Regularly check the quality of hydraulic oil, and replace it promptly if there is contamination or deterioration.
4. Regularly check the hydraulic pipeline: The hydraulic pipeline is the blood vessel of the hydraulic cylinder. If there is oil leakage or damage to the pipeline, it can cause the hydraulic cylinder to not work properly. Therefore, it is necessary to regularly inspect the hydraulic pipelines and promptly repair or replace them if there is any oil leakage or damage.
5. Regularly lubricate the hydraulic cylinder: The piston rod and piston ring of the hydraulic cylinder need to be lubricated to reduce wear and friction. Therefore, it is necessary to regularly apply lubricating oil to ensure the normal operation of the hydraulic cylinder.
In short, the daily maintenance of excavator hydraulic cylinders is very important, which can extend their service life and improve work efficiency. Regular cleaning of hydraulic cylinders, inspection of seals, hydraulic oil, hydraulic pipelines, and lubrication of hydraulic cylinders are required.