Special self-balancing horizontal loading testing device for buckling-restrained energy-dissipation braces

The utility model discloses a special self-balancing horizontal loading testing device for buckling-restrained energy-dissipation braces, which comprises a horizontal test frame placed on a test platform. The horizontal test frame consists of a rectangular frame, the rectangular frame consists of transverse short beams at two ends and longitudinal long beams on two sides, the transverse short beams and the longitudinal long beams are H-shaped steel, the transverse short beams are connected with the longitudinal long beams via bolts, two rows of round holes which are aligned vertically are respectively arranged at ends, which are located on the same side, of the two longitudinal long beams, a jack capable of realizing positive and negative actions is disposed on the transverse short beam on one side, a first test piece end plate is arranged at the end of the jack, a second test piece end plate is arranged on the transverse short beam on the other side, the first test piece end plate and the second test piece end plate are aligned to each other horizontally, a plurality of steel anchors are disposed on the test platform, each steel anchor is connected with a safety ring, a center connecting line of the safety rings is a straight line which is coincident to a center connecting line of the first test piece end plate and the second test piece end plate. The special self-balancing horizontal loading testing device is convenient in test and installation and safe and reliable in test process.