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液压油的特殊状态

来源:https://www.smxnykj.com/ 发布时间:日期:2022-10-13
一、液压油有杂质,混浊。
1、 The hydraulic oil has impurities and turbidity.
液压油的杂质主要有3种类型,即固体杂质(固体杂质、碎屑固体、液压油变质等)和液体杂质(主要是水,其次是液压油变质和粘性杂质)和气体杂质(主要是空气)。
There are three types of impurities in hydraulic oil, namely, solid impurities (solid impurities, debris solids, hydraulic oil deterioration, etc.), liquid impurities (mainly water, followed by hydraulic oil deterioration and viscous impurities) and gas impurities (mainly air).
如果在液压油中出现白色混浊,则排除固体杂质或液体粘性杂质的可能性,只能由水或空气引起。可用于液压油的取样和检测。油滴在热铁板上,如果有气泡(水在高温下形成水蒸气形成气泡),你就可以确定液压油中有水,否则它就含有液压油中的空气。
If white turbidity appears in the hydraulic oil, the possibility of solid impurities or liquid viscous impurities can be ruled out and can only be caused by water or air. It can be used for sampling and testing hydraulic oil. The oil drops on the hot iron plate. If there are bubbles (water vapor forms under high temperature to form bubbles), you can confirm that there is water in the hydraulic oil, otherwise it contains air in the hydraulic oil.
如果液压油与水混合,造成浊度,液压油站在一段时间,使水沉到液压缸的底部,然后将水除去。但是,如果水分含量过高导致液压油乳化,则需要更换*的液压油。
If the hydraulic oil is mixed with water, causing turbidity, the hydraulic oil station will allow the water to sink to the bottom of the hydraulic cylinder for a period of time, and then remove the water. However, if the water content is too high and the hydraulic oil is emulsified, the hydraulic oil of * needs to be replaced.
如果确定与空气混合的液压油引起浑浊,则应检查液压系统管路是否泄漏,并切断空气混合物的来源。
If it is determined that the hydraulic oil mixed with air causes turbidity, check the hydraulic system pipeline for leakage and cut off the source of air mixture.
二、液压油温异常升高
2、 Abnormal rise of hydraulic oil temperature
液压油的温度异常的根本原因有以下3个方面:一是安设定压力太低,使大部分的液压油经阀回油箱,液压系统的效率太低,如果负荷过大,大部分的热*将被转换为液压油,在高温下产生的。二是由于冷却系统的冷却效果,造成液压油温度过高;三是液压油循环过频繁,在油中(常因油量不足而造成),造成散热困难,温升大。
The basic reasons for the abnormal temperature of hydraulic oil are as follows: First, the set pressure is too low, which makes most of the hydraulic oil return to the oil tank through the valve. The efficiency of the hydraulic system is too low. If the load is too large, most of the heat will be converted into hydraulic oil, which is generated under high temperature. Second, the temperature of hydraulic oil is too high due to the cooling effect of the cooling system; Third, the hydraulic oil circulates too frequently in the oil (often caused by insufficient oil), causing difficulty in heat dissipation and large temperature rise.
故障诊断应该是容易困难的,首先检查液压油箱中的油量,如果油箱不够,则应加到标准液位上。灌装时应注意使用同一品牌的液压油,使用前也应过滤。
Fault diagnosis should be easy and difficult. First check the oil volume in the hydraulic oil tank. If the oil tank is insufficient, add it to the standard liquid level. During filling, pay attention to the use of hydraulic oil of the same brand, and filter it before use.
如果油量合适,检查油冷却系统是否堵塞是必要的。如果发现油冷却系统妨碍了空气循环,则应及时清洗,以保证空气的正常循环和散热。有时,风扇胶带松动、打滑,还会导致风扇效率降低,冷却效果不好,应及时检查、调整,必要时更换新胶带。
If the oil quantity is appropriate, it is necessary to check whether the oil cooling system is blocked. If the oil cooling system is found to hinder the air circulation, it shall be cleaned in time to ensure the normal circulation and heat dissipation of air. Sometimes, the fan tape is loose and slippery, which will also lead to the reduction of fan efficiency and poor cooling effect. It should be checked and adjusted in time, and replaced with new tape if necessary.
如果油量、机油冷却系统、风扇胶带没有问题,可以确定主安全阀的设定压力低于标准值。应重新调整主阀的压力设定值为标准值。
If there is no problem with the oil volume, the oil cooling system and the fan belt, it can be determined that the set pressure of the main relief valve is lower than the standard value. The pressure setting of the main valve should be readjusted to the standard value.
三、液压油脏
3、 Dirty hydraulic oil
液压油是脏的和脏的,这可能是由于油中的化学变化造成的。如果你发现了2种变化的原因,采取相应的措施。
The hydraulic oil is dirty and dirty, which may be caused by chemical changes in the oil. If you find the reasons for the 2 changes, take corresponding measures.
在没有必要的测试设备和设备的情况下,判断液压油是否是化学变化或物理变化,一个比较简单实用的方法就是使用滤纸检测。
Without necessary testing equipment, a simple and practical method to determine whether the hydraulic oil is a chemical or physical change is to use filter paper for detection.
液压油取样,油滴在滤纸上,观察油膜的形成,油晕晕,如果圈现象比较明显(中间越脏,越来越清晰,边缘上的)表明,液压油变质,一定要更换;如果油晕均匀散布,说明液压油复合物太多,要及时检查机油滤清器,更换滤芯,更换的液压油,必要时。
Take a sample of hydraulic oil, drop oil on the filter paper, and observe the formation of oil film and oil halo. If the ring phenomenon is obvious (the middle is dirtier, clearer and clearer, and on the edge), it indicates that the hydraulic oil is deteriorated and must be replaced; If the oil halo is evenly distributed, it indicates that there are too many hydraulic oil compounds. Check the oil filter in time, replace the filter element, and replace the hydraulic oil when necessary.
以上就是为大家介绍的有关工业油液压油的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以专业的态度,为您提供服务https://www.smxnykj.com/
The above is a detailed introduction of industrial oil hydraulic oil for you. I hope it will be helpful to you. If you have any questions, please contact us. We will provide you with professional service https://www.smxnykj.com/

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