XAFS multi-mode sample measuring device

The utility model provides an XAFS multi-mode sample measuring device. The XAFS multi-mode sample measuring device comprises a sample support frame and a sample support placed on the sample support frame, the sample bracket frame is fixedly connected with the Lytle ionization chambers and is arranged between the two ionization chambers which are arranged along the propagation direction of X-rays; the sample bracket comprises a horizontal sample bracket seat plate, a knob fixing plate fixed at the window of the sample bracket seat plate, and a rotary knob and a sample plate which are respectively arranged above and below the knob fixing plate, and the rotary knob and the sample plate are fixedly connected with each other through a rotary shaft inserted into the rotary knob. According to the XAFS multi-mode sample measuring device disclosed by the utility model, two acquisition modes can be used at the same time to acquire data, the operation steps of switching sample devices in the two modes are simplified, th