For Safety, there is usually need to set some assistant support units in an active magnetic bearing system whichever for experiment and application, which is called Assistant Bearing.

With the rapid and broad application of trackless rubber-tyred auxiliary haulage in Chinese mines,problems affecting its sound development emerged.

The paper introduces a set of auxiliary haulage system composed of speed endless rope winch,automatic hydraulic tensioner,rope storage shuttle,leakage communication and such like equipment at fully mechanized coal face gate of single medium seam.

The paper deals with the essentiality of modernization of underground auxiliary haulage and puts forward some problems of developing the auxiliary haulage.

Reconstruction design on mine auxiliary transportation system in Wangpo Mine;

Present status of auxiliary transportation and its developing trend in state-owned coal mine in Hebei;

Research and practices on new mode of auxiliary transportation in mining blocks of coal mine;

The reform and development of auxiliary transport in coal mines;

The paper makes analysis to the present condition of auxiliary transport equipment of coal mine, proceeds thorough research in the problem that exists in auxiliary transport of coal mine, researches to manufacture SQ-1200 hauling rail car, resolves perplex problem that auxiliary transport equipment of coal mine faces.

According to current status of lacking selection system for auxiliary transportation equipment,the paper applies virtual reality technique to realize visualization dynamic selection,operation effect and each operating parameter of auxiliary transportation system in each stage could be timely displayed in three-dimension style after selection,which offers direct reference for product selection.

In condition of the generalized variable structure linkages size not being changed,through controlling the auxiliary motion,the structure and kinetic parmeters can be changed real time basing on the output motions request.