Fatigue test device

The utility model provides a fatigue test device. The device comprises a bearing structure, a loading assembly and a vibration assembly. The bearing structure is used for connecting test pieces; the loading assemblies are respectively connected to the bearing structures and are used for applying pressure to the test piece; the vibration assembly is arranged between the loading assembly and the test piece and used for driving the test piece to vibrate. According to the fatigue test device, through cooperation of the vibration assembly and the loading assembly, efficient fatigue loading can be carried out on test pieces such as a steel bridge deck slab, the loading speed is high, the structure is simple, and the use effect is good. 本实用新型提供了一种疲劳试验装置。其包括承载结构、加载组件和振动组件；承载结构用于连接试件；加载组件分别连接于所述承载结构，并用于向所述试件施加压力；振动组件设于所述加载组件和所述试件之间，并用于驱使所述试件振动。在本实施例的疲劳试验装置中，通过振动组件与加载组件的配合，可以实现对例如钢桥面板等试件进行高效疲劳加载，加载速度快，结构简单，使用效果好。