Anchor cable internal force measuring device for combined plate cable foundation

The utility model belongs to the technical field of combined plate-cable anchor cable internal force measuring instruments, and discloses a combined plate-cable foundation anchor cable internal force measuring device which is characterized in that a bottom layer steel plate is connected with a lower plate through a steel anchor rod end screwing protection cap, an anchor rod anti-corrosion layer is arranged on the outer side of a steel anchor rod, and a PVC pipe is arranged on the outer side of the anchor rod anti-corrosion layer; an inclinometer pipe is arranged on the outer side of the PVC pipe, a fiber grating point string is pasted on the outer side of the inclinometer pipe, and the fiber grating point string is connected with a fiber strain analysis device through a fiber PVC guide pipe. According to the utility model, the inclinometer tube is used for pasting the optical fiber and the measuring point, the fiber bragg grating point string can measure the strain along the height of the anchor rod, the opti