In the process of using the agitator of the hydraulic pump, if the hydraulic system breaks down, the performance of the agitator will be greatly reduced. It is necessary to understand the causes of the hydraulic system faults well, to be able to check and repair them well, so that the mixer can return to normal operation without affecting the work progress. Let's take a look at the detection method of the failure of the hydraulic pump of the automatic feeding mixer.
Odor diagnosis method: it refers to whether the nose smells the peculiar smell of the hydraulic oil. If the nose smells the peculiar smell of the hydraulic oil, the hydraulic pump and other hydraulic components are locally heated, which causes the hydraulic oil to burn and smoke, it can be judged according to the degree of heating. Smell the hydraulic oil to see if it has a bad smell or pungent smell. If so, it means that the hydraulic oil has been seriously polluted and cannot be used again.
Visual diagnosis method: observe the working state of the hydraulic system with naked eyes, observe the pressure value and temperature change of each pressure point of the hydraulic system, and check whether the oil is clean and sufficient. Observe whether the hydraulic valve, pipeline joint, end cover of hydraulic cylinder and transmission shaft of hydraulic pump leak oil. Observe the processed products or conduct performance test to identify the working state of the moving mechanism, the stability of the system pressure and flow, and the working state of the solenoid valve.
Auditory diagnosis method: it is to judge whether the hydraulic system or components work normally by ears. Listen to whether the noise of hydraulic pump and hydraulic system is too loud; listen to whether there is abnormal sound of overflow valve and other components; listen to whether the impact sound is too loud when the workbench changes direction; pay attention to the sound of piston hitting the bottom of hydraulic cylinder.
Touch diagnosis method: touch the temperature and working state of moving parts by hand, and touch the temperature of hydraulic pump housing, oil tank outer wall and valve body housing by hand. The normal temperature should be about 55 ℃. If it exceeds 60 ℃, it should be identified. Touch moving parts and oil pipes with hands to see if there is obvious vibration.
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