Airplane vertical fin butt joint pin shaft ejection device

The utility model relates to the field of disassembly of pin shaft parts, in particular to an airplane vertical fin butt joint pin shaft ejection device which comprises a bottom plate, a support parallel to the bottom plate, a plurality of groups of positioning bolts and locking nuts for positioning and locking the bottom plate and the support, an ejection rod arranged at the middle positions of the bottom plate and the support, and a twisting lever matched with the ejection rod, the positioning bolts penetrate through the second positioning holes in the support and the bottom plate, the locking nuts are tightened, so that the bottom plate and the support are tightly attached to the vertical fin structure, the tightly-matched vertical fin butt-joint pin shaft is effectively disassembled, the end face of the butt-joint pin shaft is prevented from being deformed and damaged in the disassembling process, and the disassembling efficiency is improved by 30% or above. 本实用新型涉及销轴类零件拆卸领域，具体是一种飞机垂尾对接销轴顶出装置，包括底板、与底板平行分布