Device for testing unconfined compressive strength of complex filler by using image acquisition method

The utility model discloses a device for testing unconfined compressive strength of complex filler by using an image acquisition method, which comprises a reaction frame, a ground anchor device, a hydraulic servo device and a data acquisition device, the reaction frame comprises a stand column, a cross beam, a triangular support and a certain number of cross beam lower part height adjusting flat plates below the cross beam; the ground anchor device comprises a screw rod, a nut and an anchor backing plate, the hydraulic servo device comprises a steel plate base, four moving devices at four corners, an upper rigid test platform, an external control system, an external control system signal line, a power line and an oil inlet (outlet) pipe, and the data acquisition device comprises a high-performance computer, a camera, a triangular bracket, a light supplementing lamp and the like. In the test process, an instrument is convenient to center and adjust, automatic loading and automatic data acquisition can be reali