Cross rail pipe detection device and system

The utility model provides a cross rail pipe detection device and system relates to railway field. The utility model discloses in, crossing rail pipe detection device and include image acquisition assembly, support group spare and deposit the subassembly, the one end and the image acquisition assembly of support group spare are connected, and support group spare twines on depositing the subassembly, during image acquisition assembly can stretch into and manage to the mistake rail for detected the inner wall image that the rail was managed, and the inner wall image sends for a control terminal,support group spare is used for supporting image acquisition assembly, it is used for depositing support group spare to deposit the subassembly. The utility model discloses in, image acquisition assembly gathered the inner wall image that the rail was managed in stretching into and managing to the mistake rail to send the inner wall image to control terminal, control terminal can go out the crooked level and smooth degre