Tunnel inspection robot

The invention discloses a tunnel inspection robot which comprises a guiding device, an installation base and an inspection device arranged on the installation base. The inspection device comprises a master control module and an execution module, the master control module is electrically connected with the execution module, the execution module comprises a voice module, a communication module, a power module, a charging butt connection module, a movement module, a protection module, a monitoring module, a speed measuring module and an auxiliary module. The inspection device can move along the guiding device through the movement module. For basic characteristics of an existing tunnel, a guide rail lateral wall hanging way is adopted, the tunnel robot operates through a guide rail and goes onpatrol without interruption all day long in the tunnel, the tunnel is monitored in real time through the modules, illegal vehicles are captured for evidence collection, relevant departments can carryout rapid law enforcement