The driving device is used to drive the concrete storage tank to rotate. It is composed of power take-off, universal axis, hydraulic pump, hydraulic motor, control valve, hydraulic oil tank and cooling device. If this part stops working due to fault, the concrete tank will not be able to rotate, which will lead to the scrapping of the concrete in the vehicle, and even make the whole tank concrete coagulate in the tank, resulting in the scrapping of the concrete mixer truck. Therefore, whether the driving device is reliable or not is a problem that needs high attention in use. In order to ensure the integrity and reliability of the drive device, the following maintenance work should be done well:
1.萬向轉動部分是故障多發部位，應按時加注潤滑脂，並經常檢查磨損情況，及時修理更換。車隊應有備用的萬向軸總成，以保證一旦發生故障能在幾十分鍾內恢複工作。
The universal rotating part is a fault prone part, so grease should be added on time, and the wear condition should be checked frequently, and the repair and replacement should be carried out in time. The team should have spare cardan shaft assembly to ensure that it can resume work in dozens of minutes in case of failure.
2.保證液壓油清潔。混凝土攪拌運輸車工作環境惡劣，一定要防止汙水泥沙進入液壓係統。液壓油要按使用手冊要求定期更換。一旦檢查時發現液壓油中混入水或泥沙，就要立即停機清洗液壓係統、更換液壓油。
Keep the hydraulic oil clean. The working environment of concrete mixer truck is bad, so it is necessary to prevent dirty cement sand from entering the hydraulic system. The hydraulic oil should be replaced regularly according to the requirements of the manual. Once it is found that the hydraulic oil is mixed with water or sediment, it is necessary to stop the machine immediately to clean the hydraulic system and replace the hydraulic oil.
3.保證液壓油冷卻裝置有效。要定時清理液壓油散熱器，避免散熱器被水泥堵塞，檢查散熱器電動風扇運轉是否正常，防止液壓油溫度超標。液壓部分隻要保證液壓油清潔，一般故障不多;但生產廠家不同，使用壽命則不一樣。
Ensure that the hydraulic oil cooling device is effective. The hydraulic oil radiator should be cleaned regularly to prevent the radiator from being blocked by cement, and check whether the electric fan of radiator operates normally to prevent the temperature of hydraulic oil exceeding the standard. As long as the hydraulic oil is clean, there are not many faults in the hydraulic part, but the service life varies with the manufacturer.
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