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如何判断自动混凝土搅拌机的压力如何进行调整?

来源:http://www.zkhntjbc.com/ 日期:2021-04-01 浏览量:
TAG:混凝土搅拌机,自动混凝土搅拌机,小型搅拌机
概述:我们都应该知道,液压系统对于车辆的运行状况非常重要。在混凝土搅拌车的操作过程中,如果液压系统出现故障,则搅拌车的操作功能将大大降低。只要车主的朋友了解液压系统的故障并及时
我们都应该知道,液压系统对于车辆的运行状况非常重要。在混凝土搅拌车的操作过程中,如果液压系统出现故障,则搅拌车的操作功能将大大降低。只要车主的朋友了解液压系统的故障并及时排除故障,他们就能使搅拌车正常。今天,小编收集了自动混凝土搅拌机液压系统中压力不足或无压力的原因,进行了诊断和排除,供业主朋友们学习。
We should all know that the hydraulic system is very important for the operation of the vehicle. In the operation process of concrete mixer, if the hydraulic system fails, the operation function of the mixer will be greatly reduced. As long as the owner's friends understand the hydraulic system fault and timely troubleshooting, they can make the mixer normal. Today, Xiaobian collected the causes of insufficient or no pressure in the hydraulic system of automatic concrete mixer, diagnosed and eliminated them for the owners to learn.
自动混凝土搅拌机液压系统的研究
Research on hydraulic system of automatic concrete mixer
如果混凝土搅拌机显示液压系统中压力不足或根本没有压力,我们可以根据以下方面进行故障排除:
If the concrete mixer shows insufficient or no pressure in the hydraulic system, we can carry out troubleshooting according to the following aspects:
1.检查液压泵是否可以输出液压油。如果是没有液压油输出的新型液压泵,则可能是泵体存在铸造缺陷(收缩,沙眼等),因此吸油腔和液压腔已连接,并且油压丢失,应及时更换制造商。如果不是新的液压泵,并且没有液压油输出,则可能无法正确操纵泵,并且零件可能会严重磨损或损坏。及时更换它们。
1. Check whether the hydraulic pump can output hydraulic oil. If it is a new type of hydraulic pump without hydraulic oil output, it may be that the pump body has casting defects (shrinkage, trachoma, etc.), so the oil suction chamber and hydraulic chamber have been connected, and the oil pressure is lost, so the manufacturer should be replaced in time. If it is not a new hydraulic pump and there is no hydraulic oil output, the pump may not be operated correctly and parts may be severely worn or damaged. Replace them in time.
2.如果液压泵有油输出,请检查安全阀是否正常工作。如果异常,则可能是压力油回路中的阀因其他原因被污染或阻塞,并且处于回油位置,导致压力油回路与溢流回路短路,或者管接头可能松动或受压。油路中的某些阀泄漏严重,或者液压缸和液压马达的密封件损坏,导致严重泄漏。
2. If the hydraulic pump has oil output, please check whether the safety valve works normally. If it is abnormal, the valve in the pressure oil circuit may be polluted or blocked due to other reasons, and it is in the oil return position, resulting in the short circuit between the pressure oil circuit and the overflow circuit, or the pipe joint may be loose or pressurized. Some valves in the oil circuit have serious leakage, or the seals of the hydraulic cylinder and hydraulic motor are damaged, resulting in serious leakage.
清洁方法:打开相关阀门进行清洁,检查密封间隙和各种密封设备的大小。损坏的密封设备应予以更换。
Cleaning method: open the relevant valve for cleaning, check the sealing clearance and the size of various sealing equipment. Damaged sealing equipment should be replaced.
3.如果液压泵的输出流量随压力的增加而显着下降,而压力未达到规定值,则是由于液压泵磨损后间隙的增加而引起的。
3. If the output flow of the hydraulic pump decreases significantly with the increase of the pressure, but the pressure does not reach the specified value, it is due to the increase of the clearance after the wear of the hydraulic pump.
清扫方法:确定液压泵的容积功率,以确认泵是否可以连续使用。严重磨损的零件应修理或更换。
Cleaning method: determine the volume power of the hydraulic pump to confirm whether the pump can be used continuously. Severely worn parts should be repaired or replaced.
4.如果混凝土搅拌车的整个液压系统能够建立正常压力,并且某些管线或液压缸(或液压马达)中没有压力,则可能是由于管线,小孔或节流阀,方向阀等引起的。封锁此时,应逐一检查压力和油的存在,找出原因并进行清理。
4. If the whole hydraulic system of concrete mixer can establish normal pressure, and there is no pressure in some pipelines or hydraulic cylinders (or hydraulic motors), it may be caused by pipelines, small holes or throttle valves, directional valves, etc. At this time, check the existence of pressure and oil one by one, find out the cause and clean up.
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