The driving device is used to drive the concrete storage tank to rotate. It is composed of power take-off, universal shaft, hydraulic pump, hydraulic motor, control valve, hydraulic oil tank and cooling device. If this part stops working due to fault, the concrete storage tank will not be able to rotate, which will lead to the scrapping of the concrete in the truck, or even the whole tank of concrete coagulated 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 must be attached great importance in use. In order to ensure the integrity and reliability of the driving device, the following maintenance work should be done:

．萬向轉(zhuǎn)動部分是故障多發(fā)部位，應(yīng)按時加注潤滑脂，并經(jīng)常檢查磨損情況，及時修理更換。車隊(duì)?wèi)?yīng)有備用的萬向軸總成，以保證一旦發(fā)生故障能在幾十分鐘內(nèi)恢復(fù)工作。

The universal rotating part is the fault prone part, so the lubricating grease should be added on time, the wear condition should be checked frequently, and the repair and replacement should be carried out in time. The team should have a spare cardan shaft assembly to ensure that it can resume work within dozens of minutes in case of failure.

．保證液壓油清潔。混凝土攪拌運(yùn)輸車工作環(huán)境惡劣，一定要防止污水泥沙進(jìn)入液壓系統(tǒng)。液壓油要按使用手冊要求定期更換。一旦檢查時發(fā)現(xiàn)液壓油中混入水或泥沙，就要立即停機(jī)清洗液壓系統(tǒng)、更換液壓油。

. make sure the hydraulic oil is clean. The working environment of concrete mixer truck is bad, so it is necessary to prevent the dirty cement sand from entering the hydraulic system. The hydraulic oil should be changed regularly according to the manual. Once the hydraulic oil is found to be mixed with water or sediment, it is necessary to stop the machine immediately to clean the hydraulic system and replace the hydraulic oil.

．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(fēng)扇運(yùn)轉(zhuǎn)是否正常，防止液壓油溫度超標(biāo)。液壓部分只要保證液壓油清潔，一般故障不多；但生產(chǎn)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 avoid blockage by cement. Check whether the electric fan of the radiator operates normally to prevent the temperature of the hydraulic oil from exceeding the standard. As long as the hydraulic oil is clean, there are few faults in the hydraulic part; However, different manufacturers have different service life.

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