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维修挖掘机液压系统需要注意写什么?

日期:2020-09-28   来源:
实际上还有其他一些故障,如行走缓慢、管接头经常冲断等等,但无论什么缘故,所有的液压传动问题都可归纳为:压力、流量、方向三大问题。而引起三大问题的原因一般都是泄漏、堵塞、油管接错、调压不对造成的。因此大家在维修液压系统故障时必须注意:
In fact, there are some other faults, such as slow walking, pipe joints are often broken, etc., but for whatever reason, all hydraulic transmission problems can be summed up as three major problems: pressure, flow and direction. The causes of the three problems are generally caused by leakage, blockage, wrong connection of oil pipe and wrong pressure regulation. Therefore, we must pay attention to the following problems when repairing the hydraulic system:
(1) 液压元器件一定要清洗干净,油路处理畅通后方可组装。
(1) Hydraulic components must be cleaned and the oil circuit must be smooth before assembly.
(2) 不要使用不干净的液压油,不用劣质的密封件。
(2) Do not use dirty hydraulic oil, do not use inferior seals.
(3) 一定要正确组装元件,如“Y”型圈开口不能装反,油管不能接错。
(3) The components must be assembled correctly. For example, the opening of "Y" ring can not be reversed and the oil pipe can not be connected wrongly.
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(4) 对工作泵排量及安全阀的调整在未弄清楚之前不要乱动,以免引起调大了冲坏液压元件,调小了工作缓慢、无力或无动作。
(4) The working pump displacement and the adjustment of the safety valve should not be disorderly before it is clear, so as not to cause damage to the hydraulic components caused by the increase of the adjustment, and the work is slow, weak or no action.
总之,当液压系统出了故障,不要盲目处理,按照“先易后难、先外后内、先后一般”的顺序分析和解决问题,一般先检查外部泄漏情况,检查油量油质,检查堵塞情况,对于元器件内部磨损引起的故障,要先弄懂原理后作针对性的检查,通过对液压系统更加深入的了解和掌握,不断提高技术和工作能力,才能更好的解决好液压设备使用者面临的主要问题,管理好液压系统。
In short, when the hydraulic system has a fault, do not blindly deal with it. Analyze and solve the problem according to the sequence of "easy first, difficult later, external first, internal first, key point second general". Generally, the external leakage, oil quantity and oil quality, and blockage shall be checked first. For the fault caused by internal wear of components, the principle shall be understood first and then targeted inspection shall be carried out In order to better solve the main problems faced by the users of hydraulic equipment and manage the hydraulic system, it is necessary to deeply understand and master and constantly improve the technology and working ability.
当系统出现问题时能找出引起系统故障真正的原因,更多的工作是从平时的日常点检开始,注重设备检查和维修工作的细节,在故障早期就将引起故障的各种因素消除,通过对工作循环不断的改进与提高,从而使预知维修工作能在不断变化的工作环境中更进一步,确保设备发挥更大的效益,实现设备事故为零的目标。
When there are problems in the system, we can find out the real cause of the system failure. More work is to start from the usual daily spot check, pay attention to the details of equipment inspection and maintenance work, eliminate all kinds of factors that cause the failure in the early stage of failure. Through the continuous improvement and improvement of the work cycle, the predictive maintenance work can be further improved in the constantly changing working environment, To ensure the equipment to play a greater benefit, to achieve the goal of zero equipment accident.
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