搅拌车是用来运送建筑用混凝土的专用货车，是基建工程项目中的主力军，从搅拌站运送预拌混凝土到施工工地，存留的混凝土如果不及时进行清理，就会越来越多，时间一久会造成搅拌车的压力，那么今天我们就来讲讲搅拌车水路清洗系统存在的问题及改进方向的相关内容吧。

The mixer truck is a special truck used to transport concrete for construction. It is the main force in infrastructure projects. If the ready mixed concrete is transported from the mixing plant to the construction site, more and more concrete will remain if it is not cleaned in time. Over time, it will cause the pressure of the mixer truck. Today, let's talk about the problems existing in the water path cleaning system of the mixer truck and the related contents of the improvement direction.

目前搅拌车气控箱上的压力表只能在水箱清洗时显示水箱内的压力，不能在加水或关水时显示水箱内的压力.为了实时观察水箱内的压力变化，可在水箱上部增设测压口，并将压力表集成到现有的气控箱中。通过新增的压力表，在减压阀和阀均出现故障时，可以及时发现水箱内的压力变化。

At present, the pressure gauge on the pneumatic control box of the mixer truck can only display the pressure in the water tank when the water tank is cleaned, and cannot display the pressure in the water tank when adding water or closing water In order to observe the pressure change in the water tank in real time, a pressure tap can be added at the upper part of the water tank, and the pressure gauge can be integrated into the existing air control box. Through the new pressure gauge, the pressure change in the water tank can be found in time when the pressure reducing valve and safety valve are in failure.

气控箱直接从底盘气瓶取电。如果驾驶员忘记关闭气控箱和放水阀，在车辆行驶过程中气控箱会一直给水箱充气，这可能导致车辆在制动时压力异常。下来，有隐患。为了避免这种隐患，可以在气控箱和底盘气瓶之间加装一个球阀，在车辆行驶过程中球阀可以关闭，当车辆行驶时需要打开球阀。水箱需要充气。

The air control box takes electricity directly from the chassis cylinder. If the driver forgets to close the air control box and water drain valve, the air control box will always inflate the water tank during the driving process of the vehicle, which may cause abnormal pressure during braking. Come down, there is a potential safety hazard. In order to avoid this potential safety hazard, a ball valve can be installed between the air control box and the chassis gas cylinder. The ball valve can be closed during the driving of the vehicle. When the vehicle is driving, the ball valve needs to be opened. The water tank needs to be inflated.

由于自上料搅拌车的特殊工况，水路清洗滚筒的稳定性和便捷的操作性能非常重要。目前大部分搅拌车使用的气压水清洗系统操作方便，与泵式清洗系统相比，成本更低，故障点数量也减少了。调节水箱内气压的减压阀压力通常设置为0.4MPa，水箱上的阀压力设置为0.5MPa。必须定期检查减压阀和阀的使用情况，以免因减压阀和压力阀而发生故障。造成水系统压力过大引起气管、水管爆炸。

Due to the special working conditions of the self loading mixer, the stability and convenient operation performance of the waterway cleaning drum are very important. At present, the pneumatic water cleaning system used by most mixer trucks is easy to operate. Compared with the pump cleaning system, the cost is lower and the number of fault points is reduced. The pressure of the pressure reducing valve regulating the air pressure in the water tank is usually set to 0.4MPa, and the pressure of the safety valve on the water tank is set to 0.5MPa. The use of pressure reducing valve and safety valve must be checked regularly to avoid failure due to pressure reducing valve and pressure valve. Cause excessive pressure of water system and cause explosion of gas pipe and water pipe.

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