Improvement and performance analysis on the loading and unloading equipment in auxiliary well;

Expounded the structure and application of several kinds of stripper mechanism structure in drawing die for the circular drawing parts, introduces the designing method of the claw, which are the most important elements of the stripper mechanism.

Through investigating existing tank trucks, the design for fluidization unloading unit of alumina powder tank truck for railway is improved, and its use on the job site proves that application of fluidization principle to railway truck is successful and provides theoretical basis for wide and deep application in the future.