TBM excavation section anchor rod anti-drawing detection experiment device and using method

The invention discloses a TBM excavation section anchor rod anti-drawing detection experiment device which comprises an anchor rod extending mechanism, a pressure-bearing part and a drawing force loading mechanism. The anchor rod extending mechanism comprises an anchor rod extension rod and a connecting part used for connecting the anchor rod extension rod with an anchor rod, the pressure-bearing part comprises a pressure-bearing plate and a supporting tube, the pressure-bearing plate is provided with a through hole allowing the connecting part to pass through, the pressure-bearing part is fixedly connected with the supporting tube, and the cross section of the supporting tube is an inclined plane. The invention further discloses a using method of the TBM excavation section anchor rod anti-drawing detection experiment device. The TBM excavation section anchor rod anti-drawing detection experiment device is simple in structure and reasonable in design, the length of the exposed anchor rod is extended to the ef