Old bridge lower structure cracking damage and settlement deformation detection device

The utility model relates to the technical field of bridge detection, in particular to an old bridge lower structure cracking damage and settlement deformation detection device which comprises a base, a detection mechanism is arranged on the outer wall of the base, a storage battery is installed at the top of the base, and a controller is installed at the position, close to the storage battery, of the top of the base. The detection mechanism comprises a stand column fixedly connected to the top of the base, a fixing sleeve is fixedly connected to the outer wall of the stand column, a connecting pipe is fixedly connected to the outer wall of the fixing sleeve, a detection sleeve is fixedly connected to the end, away from the fixing sleeve, of the outer wall of the connecting pipe, and a fixing plate is fixedly connected to the outer wall of the detection sleeve; by designing the device for detecting the cracking damage and the settlement deformation of the lower structure of the old bridge, the lower structure