The utility model belongs to machinery support field, concretely relates to detachable supporting structure, including the chassis, its characterized in that: is equipped with the pneumatic cylinder in the middle of the chassis, is equipped with the hydraulic pressure chamber in the pneumatic cylinder, the intermediate position vertical fixing erection bracing cover of pneumatic cylinder upper surface supports slidable mounting support column in the cover, and the top in hydraulic pressure chamber links to each other with the bottom of support column, and the top of support column is equipped with supporting platform, the last detachable support component of installing of supporting platform. The utility model relates to a detachable supporting structure, its can through the upper and lower activity of support column satisfy the engineering in actual not the co -altitude by bearing structure's requirement, needs that can be actual according to the engineering, come the installation to be fit for the support component of different shapes and type through the sliding tray on the supporting platform, thereby guarantee the support component with by the fine laminating of support component, both saved and supported required power, can avoid again because support component and the not firm potential hidden danger of bringing of the laminating by the support component.