Anchor head displacement measuring device and method

The invention discloses an anchor head displacement measuring device comprising a sensor, an anchor head and a receiving device. The anchor head is fixed to a detected anchor rod. The sensor is fixedly embedded in the anchor head and connected with the receiving device. The sensor is used for collecting rod body data of the detected anchor rod and transmitting the data to the receiving device. The receiving device is used for analyzing and calculating the rod body data collected by the sensor to obtain the actual displacement change rate and displacement increment of the detected anchor rod body. The invention further discloses an anchor head displacement measuring method. By the adoption of the anchor head displacement measuring device and method, the difficulty of detecting and testing the anchor rod can be effectively lowered, work efficiency and detection accuracy are improved, and a guarantee is provided for engineering quality and safety.