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Causes of pollution of hydraulic system of electric hydraulic lifting platform

by:Powerston     2021-06-04
There are various pollutants in the hydraulic oil of the hydraulic system of the electric hydraulic lifting platform, the most important of which is solid particles, in addition to water, air, and harmful chemicals. The main cause of pollution is caused by both external and internal aspects. The external cause refers to solid moisture. Other oils and air enter the system. The internal reasons refer to the wear of moving parts and changes in the physical and chemical properties of the hydraulic oil in addition to the pollution caused by the original new oil. In the process of new oil from refining, packaging, transportation to storage, the paint and coating of the container, the rubber of the oil injection hose and the dust in the atmosphere can all enter the oil. The hydraulic oil is used in the department due to improper transportation or storage. , So that the oil is contaminated in the container. If the oil is transported under non-sealed conditions or the unclean container is used to hold the oil, the system will be polluted if the oil is not cleaned when filling it. Hydraulic pressure is one of the main ways for pollutants to enter the piston rod end of the moving cylinder. Although the piston rod end is generally equipped with a dust-proof seal to prevent pollutants from entering, since the piston rod needs to move, everything is Various forms of dust-proof seals are impossible to prevent the entry of small impurities into the system; and if the dust on the extension end of the piston rod is not cleaned up every time before the system is working, individual impurities may appear to damage the dust-proof seal and a large amount of impurities Invade the system. When the lifting platform is repaired, the hydraulic lifting platform should not be bandaged or blocked according to the regulations after the parts are dismantled. Failure to clean in accordance with regulations during installation, and open-air operations in windy, sandy, rainy and snowy weather will cause pollutants to invade the system. The maintenance support equipment of the hydraulic system is also prone to contamination due to improper maintenance and storage. Failure to clean before use, check the connection with the system, and make the system contaminated after use. In our construction process, we often use the lifting platform, so the lifting platform is very familiar to the construction workers. Since the lifting cage platform is generally a hydraulic control device, we often encounter cleaning the lifting platform when using it, so do you have any skills for the hydraulic oil cleaning of the lifting platform? Because hydraulic oil is the main driving medium used by the hydraulic lifting cage platform, in order to ensure the normal operation of the lifting cage platform, we will frequently replace the hydraulic oil, and certain cleaning work must be performed when replacing it to ensure that the hydraulic drive can be used normally . First of all, we need to release all the hydraulic devices from the system, and then clean, and the general cleaning will be more than 3 times. Secondly, when draining the oil, control the temperature of the hydraulic oil between 50 and 70 degrees, so that impurities can be taken away as much as possible. Finally, after cleaning, replace the new filter element and inject new oil. For the intermittent cleaning of the lifting platform, this has a certain effect on protecting the lifting platform and can extend its service life.
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