Data acquisition device for rail surface elevation detection

The utility model discloses a data acquisition device for rail surface elevation detection, which belongs to the technical field of railway track operation and maintenance, solves the technical problem that the data of the existing detection mode has larger deviation, and comprises a rack, two ends of the rack are respectively provided with a walking module, a measuring module, a marking module, a controller and a lithium battery pack, a total station is arranged in the middle of the top face of the rack, and the controller is electrically connected with the walking module, the measuring module, the marking module, the lithium battery pack and the total station. According to the utility model, the total station is used for collecting height difference data, and the measuring module is used for collecting advancing distance, distance between the rack and the steel rail and horizontal inclination angle data of the rack and sending the data to the controller, so that the precision of detection data can be ensure