Pipeline foundation pit monitoring system

The utility model relates to the technical field of pipeline foundation pit monitoring, in particular to a pipeline foundation pit monitoring system. According to the technical scheme, the device comprises a laser transmitter fixed to the side wall of a foundation pit body and a plurality of laser receivers electrically connected with a central control alarm, the laser transmitter and the laser receivers are fixed to the side wall of the foundation pit body, and the laser transmitter is fixed to the end of the side wall of the foundation pit body; the laser receivers are evenly fixed to the side wall of the foundation pit body, and reflective mirrors are fixed to the positions, located between the adjacent laser receivers, of the side wall of the foundation pit body. The reflecting mirror is used for reflecting laser, the laser is received by the laser receiver, long-line distribution can be carried out on the side wall of the foundation pit body in the process, the central control alarm can be triggered no m