Three-dimensional dynamic fabric tension and pressure testing device and testing method

The invention provides a three-dimensional dynamic fabric tension and pressure testing device and method. The device comprises a plurality of blades which are annularly arranged in a surrounding manner and form a cylindrical surface, and the top end of each blade is provided with a top end tension sensor and a blade top end clamp. A side tension sensor and two blade side clamps are mounted on theouter side of one blade, pressure sensors are mounted on the outer sides of the blades, one end of the fabric is firstly clamped by one blade side clamp, the fabric is clamped by the other blade sideclamp after surrounding the cylindrical surface for one circle, the fabric top end is clamped by the blade top end clamp, the blades are driven to move synchronously, the diameter of a cylindrical surface defined by the blades is increased or decreased, the fabric gradually deforms along with the diameter change of the cylindrical surface, the deformation quantity of the diameter of the cylindrical surface is controlled, t