Testing machine for ring-beam hydraulic lifting device

The utility model provides a testing machine for a ring-beam hydraulic lifting device. The testing machine comprises an upper ring beam, pin oil cylinders, connecting pins, an elevating oil cylinder, a testing machine leg and a lower ring beam, wherein the elevating oil cylinder is arranged between the upper ring beam and the lower ring beam and is connected with the upper ring beam and the lower ring beam via the connecting pins, the pin oil cylinders are arranged in the upper ring beam and the lower ring beam, and pin holes cooperated with the pin oil cylinders are arranged at the periphery of the testing machine leg in the upper ring beam and the lower ring beam, and the testing machine leg is connected with the upper ring beam and the lower ring beam via the pin oil cylinders. By employing the above scheme, the testing machine can completely simulate a practical operating condition after installation, can effectively reduce cost and risk after practical assembling.