每个城市都会有一定数量的搅拌站，这是因为城市中高楼大厦的建设离不开混凝土，而混凝土的运输离不开自动上料搅拌机，所以自动上料搅拌机就显得非常重要了。那么自动上料搅拌机换向阀出现故障怎么处理呢？

Every city will have a certain number of mixing stations. This is because the construction of high-rise buildings in the city cannot be separated from concrete, and the transportation of concrete cannot be separated from the automatic feeding mixer, so the automatic feeding mixer is very important. Then how to deal with the failure of the reversing valve of the automatic feeding mixer?

1、自动上料搅拌机的换向阀不能换向或者换向动作缓慢，一般是因润滑不良、弹簧被卡住或损坏、油污或杂质卡住滑动部分等原因引起的。此时，我们应先检查油雾器的工作是否正常，润滑油的粘度是否合适。必要时，应更换润滑油，清洗换向阀的滑动部分，或更换弹簧和换向阀。

1. The reversing valve of the automatic feeding mixer cannot be reversed or the reversing action is slow, which is generally caused by poor lubrication, stuck or damaged spring, oil stain or impurities stuck on the sliding part. At this time, we should first check whether the oil atomizer works normally and whether the viscosity of lubricating oil is appropriate. If necessary, replace the lubricating oil, clean the sliding part of the reversing valve, or replace the spring and the reversing valve.

2、自动上料搅拌机的换向阀经长时间使用后容易出现阀芯密封圈磨损、阀杆和阀座损伤的现象，导致阀内气体泄漏，阀的动作缓慢或不正常换向等故障。此时，需要更换密封圈、阀杆和阀座，或将换向阀换新。

2. After long-term use, the reversing valve of the automatic feeding mixer is prone to wear of the valve core sealing ring, damage of the valve stem and valve seat, resulting in gas leakage in the valve, slow action of the valve or abnormal reversing. At this time, it is necessary to replace the sealing ring, valve rod and valve seat, or replace the reversing valve.

3、若电磁先导阀的进、排气孔被油泥或其他杂物堵塞，封闭不严，活动铁芯被卡死，电路有故障等，均可导致换向阀不能正常换向，对于前三种情况应清洗先导阀及活动铁芯上的油泥和杂质，而电路故障一般又可分为电路故障和电磁线圈故障两类。

3. If the inlet and outlet holes of the electromagnetic pilot valve are blocked by oil sludge or other sundries, the sealing is not tight, the movable iron core is stuck, and the circuit is faulty, etc., the reversing valve can not be normally reversed. For the first three cases, the oil sludge and impurities on the pilot valve and the movable iron core should be cleaned. Generally, the circuit fault can be divided into circuit fault and electromagnetic coil fault.

在检查电路故障之前，要先将换向阀的手动旋钮转动几下，看换向阀在额定的气压下是否正常换向，若能正常换向，则是电路有故障；

Before checking the circuit fault, turn the manual knob of the reversing valve for several times to see whether the reversing valve can normally reverse under the rated air pressure. If it can reverse normally, the circuit is faulty;

检查时，可以用仪表测量电磁线圈的电压，看是否达到了额定电压，如果电压过低，应进一步检查控制电路中的电源和相关联的行程开关电路。如果在额定电压下换向阀不能正常换向，则应检查电磁圈的接头是否松动或接触不实。

During the inspection, the voltage of the solenoid coil can be measured with an instrument to see whether the rated voltage is reached. If the voltage is too low, the power supply in the control circuit and the associated travel switch circuit should be further checked. If the reversing valve cannot normally reverse under the rated voltage, check whether the connector of the solenoid ring is loose or not.

检查方法：拔下插头，测量线圈的阻值（一般应在几百欧姆几千欧姆之间），如果阻值太大或太小，说明电磁线圈已损坏，需要更换。

Inspection method: Unplug the plug and measure the resistance of the coil (generally between several hundred ohms and several thousand ohms). If the resistance is too large or too small, it indicates that the electromagnetic coil has been damaged and needs to be replaced.

自动上料搅拌机是由多个部件组成的，比如专用车底盘、上装罐体、液压系统、副车架、换向阀等等，其中换向阀也会偶尔出现故障，以上就是故障的处理方法内容了，您可以作为参考使用，更多问题就来我们网站http://www.zkhntjbj.com咨询吧！

The automatic feeding mixer is composed of several parts, such as the chassis of the special vehicle, the loading tank body, the hydraulic system, the sub frame, the reversing valve, etc. the reversing valve also occasionally fails. The above is the troubleshooting content. You can use it as a reference. For more questions, please visit our website http://www.zkhntjbj.com Consult!