Combined load test device

The invention discloses a combined load test device, belongs to the technical field of steel pipe tests, and solves the problems of high cost and low accuracy of bending moment and axial load combination loading tests, the combined load test device solving the problems mainly includes a testing machine with two loading seats, and also includes two combined load generating devices, a space for placing a test specimen is arranged between the two loading seats, the two combined load generating devices are respectively connected with the two ends of the test specimen and are face to face arranged, each combined load generating device is provided with a first cylinder bearing pressure action of the loading seats and a second cylinder bearing tensioning action of the loading seats, and the first cylinder and the second cylinder are in line contact with the combined load generating device. The combined load test device improves the accuracy and safety of the steel pipe tests. 本发明公开了种组合荷载试验装置，属于钢管试验技术领域，解决了弯矩和轴向载荷组合加