Pipe ring rigidity experimental apparatus

The utility model discloses embodiment discloses a pipe ring rigidity experimental apparatus. This experimental apparatus includes: the press, the top board, the top board with the press is connected, the backing plate, the top board with backing plate parallel of each other, and the backing plate is provided with the slide, first dog, the second dog, first dog and second link stopper set up in the slide, first dog and second link stopper salient in the slide, and but first dog and second link stopper relative slip. In this way, the utility model provides a pipe ring rigidity experimental apparatus is provided with the dog, can realize fixed when experiment tube has just put into on the testing machine, and in realizing the experimentation, the experiment tube atress warp, can not influence the dog and warp. 本实用新型实施方式公开了种管环刚度实验装置。该实验装置包括：压力机；上压板，所述上压板与所述压力机连接；垫板，所述上压板与所述垫板互相平行,并且所述垫板设置有滑道；第挡块；第二挡块，所述第挡块和第二档块设置于所述滑道，所述第挡块和第二档块突出于所述滑道,并且所述第挡块和第二档块可相对滑动。通过上述方式，本实用新型提供的管环刚度实验装置设置有挡块，能够实现实验管刚放入试验机上时的固定，且能实现实验过程中，实