Two-dimensional laser alignment detection device

The utility model provides a two-dimensional laser alignment detection device which mainly comprises a laser transmitting device, a laser receiving device and a data processing system connected with the laser receiving device, wherein the laser transmitting device and the laser receiving device are respectively arranged on a railway line, the laser transmitting device mainly comprises a laser transmitting car (1), as well as a power supply box (2), a transmitting alignment frame (3), a laser transmitting tube (7) and a sighting telescope (6), which are sequentially mounted on the laser transmitting car (1) from bottom to top, an optical device (8) for light gathering is further arranged at the front end of the laser transmitting tube (7), a laser power converter (4) is arranged at the other end, and the laser power converter (4) is connected with the power supply box (2). The two-dimensional laser alignment detection device can solve the difficult problem of detection of long wave irregularity of the railway