污物会造成小型混凝土搅拌机零件的磨损与腐蚀，尤其是对于精加工的零件，它们会擦伤胶皮管的内壁、油封环和填料，而这些东西损伤后又会导致更多的污物进入系统中，这样就形成恶性循环的损坏。而工作油液因进入污物而变质进入油液中的污物(如灰、砂、土等)的来源有：

Dirt will cause wear and corrosion of small concrete mixer parts, especially for precision machined parts, which will scratch the inner wall of the rubber pipe, oil seal ring and filler, and after these things are damaged, more dirt will enter the system, thus forming a vicious cycle of damage. The working oil deteriorates due to dirt. The sources of dirt (such as ash, sand, soil, etc.) in the oil include:

(1)系统外部不清洁。不清洁物在加油或检查油量时被带入系统，或通过损坏的油封或密封环而进入系统;

(1) The outside of the system is not clean. Unclean objects are brought into the system when refueling or checking the oil volume, or enter the system through damaged oil seals or sealing rings;

(2)内部清洗不彻底。在油箱或部件内仍留有微量的污物残渣;

(2) Internal cleaning is not complete. There is still a small amount of dirt residue in the oil tank or components;

(3)加油容器或用具不洁;

(3) Dirty refueling containers or utensils;

(4)制造时因热弯油管而在管内产生锈皮;

(4) Rust scale is generated in the pipe due to hot bending of oil pipe during manufacturing;

(5)油液储存不当，在加入系统前就不洁或已变质;

(5) The oil is stored improperly and becomes dirty or deteriorated before being added to the system;

(6)已逐渐变质的油会腐蚀零件。被腐蚀金属可能成为游离分子悬浮在油中。

(6) Deteriorated oil will corrode the parts. The corroded metal may become free molecules suspended in the oil.

因此小型混凝土搅拌机使用期间需要定期进行检查，比如可以这样做：

Therefore, the small concrete mixer needs to be inspected regularly during use, for example:

检查搅拌机钢丝绳磨损情况并在其表面涂少许润滑油，钢丝绳磨损到一定程度后，应进行更换。

Check the wear of the mixer steel wire rope and apply a little lubricating oil on its surface. After the steel wire rope is worn to a certain extent, it should be replaced.

检查搅拌机减速箱油面，油泵油量。

Check the oil level of the mixer reducer and the oil quantity of the oil pump.

检查搅拌机各润滑部位的情况，往料斗滚轮轴承及滑轮轴承加注润滑油。供水装置要保持清洁，以免堵塞，对吸水阀检查清洗一次，行程开关摇臂是否松动，如有松动应予必要调整。

Check the condition of each lubricating part of the mixer, and fill the hopper roller bearing and pulley bearing with lubricating oil. The water supply device shall be kept clean to avoid blockage. The suction valve shall be checked and cleaned once to see if the rocker arm of the travel switch is loose. If it is loose, it shall be adjusted.

检查搅拌机叶片连接螺栓，支撑臂连接螺栓是否松动酌情调整，叶片与筒壁间的间隙大间隙5mm并作必要的拧紧。

Check whether the connecting bolts of the mixer blades and the connecting bolts of the support arm are loose. Adjust as appropriate. The gap between the blades and the cylinder wall is 5mm larger and tighten it as necessary.

检查电气箱中接触器触头情况，拧开放淤塞，检查轴端密封，作必要的调整修理和更换。

Check the contactor contact in the electrical box, screw open the blockage, check the shaft end seal, and make necessary adjustment, repair and replacement.

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