Cable trench monitoring device

The utility model discloses a cable trench monitoring device, and relates to the technical field of environment monitoring, in particular to a cable trench monitoring device, which comprises a monitoring box and a mounting plate, the inner bottom wall of the monitoring box is rotatably connected with a round rod through a bearing, the top of the round rod is provided with a connecting rod, and the top of the connecting rod is provided with a supporting rod. According to the cable trench monitoring device, through the arrangement of the round rod, the connecting rod, the supporting rod, the supporting seat, the infrared temperature inductor, a smoke detector, a storage battery, a servo motor, a disc and a positioning sliding block, the cable trench monitoring device has the effect of increasing the monitoring range, in the using process, the infrared temperature inductor induces temperature changes, and the monitoring range is increased. The smoke sensor senses the smoke concentration, and the supporting rod m