Supporting structure for pressure test

The utility model discloses a supporting structure for pressure testing, which comprises a base, a pressure platform is fixedly connected to the top of the base, an adjusting disc is rotatably connected to the outer wall of the pressure platform, a supporting frame is arranged at the top of the adjusting disc, a clamping assembly is arranged at the top of the supporting frame, and a piece to be tested is arranged at the top of the pressure platform. A pressure testing machine is arranged at the top of the to-be-tested piece; according to the technical scheme provided by the utility model, the clamping assembly comprises a second adjusting rod, a spring, a top head, a side lug, a first rubber head, a movable fixing piece, a pressure claw, a lug groove and a second rubber head, when a pressure test is carried out on a spherical or irregular material, after the outer wall of the material abuts against the first rubber head, the top head shrinks inwards; the side lugs apply pressure to lug grooves of the pressure