Strengthening construction device applied to collapsible loess foundation

The invention relates to a strengthening construction device applied to a collapsible loess foundation. The strengthening construction device comprises a supporting base, a lifting air cylinder, a connecting disc, a telescopic sleeve, an I-shaped column, a compaction barrel and a linkage mechanism, the lifting air cylinder is installed on the supporting base, the connecting disc is installed at the ejection end of the lifting air cylinder, the lifting air cylinder is wrapped with the telescopic sleeve, the I-shaped column is installed at the lower end of the connecting disc, the compaction barrel sleeves the I-shaped column, and the linkage mechanism is installed at the lower end of the compaction barrel. According to the strengthening construction device applied to the collapsible loess foundation, the problems that through the specific collapsible deformation of collapsible loess, after the collapsible loess is punched in a traditional punching mode and a driven pile is withdrawn, the collapsible loess on t