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小型挖掘机液压高温需要怎么解决为好!

日期:2020-09-16   来源:
首先检查液压油散热器是否脏污,液压油油位,油品质量,检查滤芯,如有问题,应及时清洗更换;检查液压系统是否泄漏.如果有多处泄漏,请及时更换密封件和损坏部件.
First of all, check whether the hydraulic oil radiator is dirty, the hydraulic oil level, oil quality, check the filter element, if there is any problem, it should be cleaned and replaced in time; check whether the hydraulic system leaks. If there are multiple leaks, please replace the seal and damaged parts in time
使用万用表检查电路问题和传感器损坏.使用直接温度测试仪测试实际液压油温度是否过高.
Use a multimeter to check for circuit problems and sensor damage. Use a direct temperature tester to test whether the actual hydraulic oil temperature is too high
以上检查是正常的.检查液压系统的回流止回阀.应移除它们以检查弹簧是否损坏或卡住.如果您有任何问题,您需要清洁或更换它们.
The above checks are normal. Check the return check valves of the hydraulic system. They should be removed to check whether the springs are damaged or jammed. If you have any problems, you need to clean or replace them
检查挖掘机的液压泵是否有异常噪音和从排水管排出的过多油.如果工作压力太低,使用压力表测试系统的工作压力;
Check the hydraulic pump of the excavator for abnormal noise and excessive oil discharged from the drain pipe. If the working pressure is too low, use a pressure gauge to test the working pressure of the system;
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以上检查属于正常标准,应检查增压器,高压泵和喷油器等发动机动力问题;
The above inspection belongs to the normal standard. The engine power problems such as supercharger, high-pressure pump and fuel injector should be checked;
小型挖掘机液压高温分析
Hydraulic high temperature analysis of small excavator
液压油温度过高,这是挖掘机液压系统的常见故障.原因非常复杂,涉及的故障相对较多,往往难以处理.
The hydraulic oil temperature is too high, which is a common fault of excavator hydraulic system
具体问题分为以下几种:液压油散热器内部堵塞或散热器脏表面影响散热效果;
The specific problems are divided into the following: the internal blockage of hydraulic oil radiator or the dirty surface of radiator affect the heat dissipation effect;
1.液压油箱缺少液压油或液压油,液压滤清器堵塞,导致高温;
1. The hydraulic oil tank is lack of hydraulic oil or hydraulic oil, and the hydraulic filter is blocked, resulting in high temperature;
2.液压系统中液压油泄漏过多导致液压油泄漏过多,每个阀芯液压元件的磨损间隙产生高温;
2. Too much hydraulic oil leakage in the hydraulic system leads to too much hydraulic oil leakage, and the wear clearance of each spool hydraulic element produces high temperature;
3.回油止回阀损坏(弹簧损坏或阀门堵塞),导致无回油或直接回油通过散热器;
3. The oil return check valve is damaged (the spring is damaged or the valve is blocked), resulting in no return oil or direct return oil passing through the radiator;
4.电路系统故障,传感器或电路问题,误报;
4. Circuit system failure, sensor or circuit problem, false alarm;
5,液压泵内部泄漏超标,导致工作装置减速,温度过高;
5. The internal leakage of the hydraulic pump exceeded the standard, which led to the deceleration of the working device and high temperature;
6,发动机功率不足,液压系统负荷增大,工作装置阻力增大,形成高温;
6. The engine power is insufficient, the hydraulic system load increases, and the working device resistance increases, resulting in high temperature;
7.对于大型挖掘机,液压系统有独立的液压风扇电机和液压风扇泵,以及液压风扇电磁阀,所有这些都会导致高液压温度.
7. For large excavators, the hydraulic system has independent hydraulic fan motor and hydraulic fan pump, as well as hydraulic fan solenoid valve, all of which will lead to high hydraulic temperature
用于高温分析的微型挖掘机就是这种情况.
This is the case with micro excavators for high temperature analysis
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Thank you for reading. This article is from: extended boom excavator. For more information and questions, please click: We will continue to work hard to provide services for you, thank you for your support!
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