Prestress anchor group test device

The utility model discloses a prestress group anchor testing device in the technical field of rock mass anchoring, which comprises a frame and a perforated plate, and further comprises a bottom plate and a cushion block, the bottom plate and the cushion block are positioned below the perforated plate, an anchor rod is ensured not to slip off and has a proper reserved length, and the reserved length cannot be changed due to the falling of the anchor rod or the deformation of the perforated plate. The experiment can be carried out smoothly, the smoothness and accuracy of the experiment are ensured, and the success rate of the experiment is improved. 本实用新型公开了岩体锚固技术领域的一种预应力群锚试验装置，包括框架和带孔板，还包括底板和垫块，所述底板和垫块位于所述带孔板的下方，保证锚杆不滑落并有合适的预留长度，预留长度不会因锚杆掉落或带孔板变形而改变，使实验能顺利进行，保证实验进行的顺畅性和准确性，提高试验的成功率。