Check the electric hoist reducer on Wall jib crane to see if it leaks oil. When there is abnormal noise inside the box, it is necessary to open the lid for inspection. Generally, it is caused by bearing damage, too large backlash of gear meshing and serious wear of tooth surface
The inspection of wall jib crane electric hoist wire rope should focus on observation of wire breakage, wear, kink, rust and so on. For some places where the wire breakage is serious but has not exceeded the standard, it should be marked so as to focus on tracking and re-inspection. Attention should be paid to check whether the safety limiter of electric hoist wire rope is effective in the drum, whether the steel wire rope pressing plate on the drum is compacted and whether the number of pressing plates is appropriate. Inspection of pulleys. Emphasis is laid on whether the wear at the bottom of the groove exceeds the standard and whether there are cracks in cast iron pulleys.
For the balance wheel of wall jib crane lifting mechanism pulley group, it is easy to be neglected because it does not move normally.