Mini excavators are a very common type of construction machinery. It can be used in various occasions, such as construction sites, road construction, mines, agriculture, etc. Its main function is to dig soil, dig trenches, clear rivers, level ground, etc., but in use it can not only be used alone, but also can be used with various auxiliary devices, such as steel clips, steel needles, buckets wait. These auxiliary tools can not only improve the efficiency of the excavator, but also make the operation of the excavator more diverse and adaptable.