Device and method for testing anti-explosion performance of cylindrical structure material

The invention provides a device for testing the anti-explosion performance of a cylindrical structure material, and the device comprises a sleeve which is suitable for sleeving the outer side of a circular tube sample; a sensor having a probe; the probe is positioned on the inner side of the sleeve and is suitable for abutting against the outer wall of the circular tube sample; the expansion sleeve is positioned in the sleeve; the outer diameter of the expansion sleeve is the same as the inner diameter of the circular tube sample; the expansion sleeve is provided with a dividing seam along the axial direction, so that the expansion sleeve is divided into a plurality of petals; the inner side surface of the expansion sleeve is a conical surface and is coaxial with the outer side surface of the expansion sleeve; the conical body is located on the inner side of the expansion sleeve and suitable for moving in the axial direction of the expansion sleeve; the outer surface of the conical body is matched with the in