Bulge test bed used for welding-connection valve

The utility model discloses a bulge test bed used for a welding-connection valve. The test bed used for the welding-connection valve comprises a base, supporting vertical pillars, a cross beam, a bottom plate, a pressing disc, a screw rod, a screw rod sleeve matched with the screw rod, a shaft rod and a pressure water pipe, wherein the bottom plate is horizontally and fixedly arranged on the base; two sides of the base are respectively provided with the supporting vertical pillars; the bottom ends of the supporting vertical pillars are fixedly connected with the base; and two ends of the cross beam are respectively fixedly connected with the top ends of the supporting vertical pillars at two sides of the base. The bulge test bed used for the welding-connection valve of the utility model has the following advantageous in that: with the bulge test bed adopted, bulge testing can be performed on a valve of which the connection mode is welding connection, and at the same time, bulge testing can be also performed o