The buckling of hydraulic support column is analyzed theoretically with the theory of the pressure rod stability. 3D digital model of the hydraulic support column is built with Pro/E, also buckling analysis and analogue simulation with ANSYS to the model are carried out. The critical buckling load of the column is obtained. The buckling analysis result is picked up and discussed, and compared with the theoretical calculation. The finite element analysis result is agreed with the theoretical result.

According to the design theory and method of complex product based on virtual prototype technology, with design characteristics of the hydraulic support, the system framework of the hydraulic support is established. The three-dimension (3-D) digital model of the hydraulic support virtual prototype conformed to the actual requirement is built. The static and dynamic analyses and simulation to the model are carried out. The research results show that the designed hydraulic support meets its actual work requirements.