攪拌車是用來運送建筑用混凝土的專用貨車，是基建工程項目中的主力軍，從攪拌站運送預拌混凝土到施工工地，存留的混凝土如果不及時進行清理，就會越來越多，時間一久會造成攪拌車的壓力，那么今天我們就來講講攪拌車水路清洗系統存在的問題及改進方向的相關內容吧。

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.

目前攪拌車氣控箱上的壓力表只能在水箱清洗時顯示水箱內的壓力，不能在加水或關水時顯示水箱內的壓力.為了實時觀察水箱內的壓力變化，可在水箱上部增設測壓口，并將壓力表集成到現有的氣控箱中。通過新增的壓力表，在減壓閥和安全閥均出現故障時，可以及時發現水箱內的壓力變化。

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.

氣控箱直接從底盤氣瓶取電。如果駕駛員忘記關閉氣控箱和放水閥，在車輛行駛過程中氣控箱會一直給水箱充氣，這可能導致車輛在制動時壓力異常。下來，有安全隱患。為了避免這種安全隱患，可以在氣控箱和底盤氣瓶之間加裝一個球閥，在車輛行駛過程中球閥可以關閉，當車輛行駛時需要打開球閥。水箱需要充氣。

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.

由于自上料攪拌車的特殊工況，水路清洗滾筒的穩定性和便捷的操作性能非常重要。目前大部分攪拌車使用的氣壓水清洗系統操作方便，與泵式清洗系統相比，成本更低，故障點數量也減少了。調節水箱內氣壓的減壓閥壓力通常設置為0.4MPa，水箱上的安全閥壓力設置為0.5MPa。必須定期檢查減壓閥和安全閥的使用情況，以免因減壓閥和壓力閥而發生故障。造成水系統壓力過大引起氣管、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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