Dynamic deformation experimental device for thermal insulation material in oxygen-acetylene ablation environment

The invention provides an experimental device for dynamic deformation of a thermal insulation material in an oxygen-acetylene ablation environment, which comprises a pressing plate and a stretching seat, the pressing plate is fixed on one side of the stretching seat, a driving lug is fixed on the other side of the stretching seat, the driving lug is connected with a connecting plate, the upper end of the connecting plate is provided with a screw rod penetrating through the connecting plate, and the upper end of the screw rod is connected with the stretching seat. A driving nut and a handle are arranged on the screw rod, and a screw rod positioning ring is further arranged on one side of the screw rod. The flexible material can be subjected to multiple times of cyclic tensile deformation, and the accuracy and safety of the experiment are ensured while the tensile deformation of the material is controlled. 本发明提供了一种氧-乙炔烧蚀环境中绝热材料动态变形实验装置，包括压板，拉伸座，所述拉伸座的一侧固定有压板，拉伸座的另一侧固定有驱动耳，所述驱动耳与连接板连接，所述连接板上端设置有一穿过连接板的螺杆，所述螺杆上设置