Cable bracket pre-cutting device for ship and ocean engineering

The utility model discloses a cable bracket pre-cutting device for ship and ocean engineering, and relates to the technical field of cable bracket pre-cutting, the cable bracket pre-cutting device comprises a device body, the top of the device body is fixedly connected with a supporting plate, and the outer wall of one side of the supporting plate is fixedly connected with a dust collection box. Dust and chippings generated close to the cutting position are sucked in through a first exhaust fan head and a second exhaust fan head and enter a fan body and a dust collecting box through a hose, a bracket plate is cut through a cutting wheel, meanwhile, a movable air cylinder is started to drive a movable block to move downwards, and the first exhaust fan head moves downwards at the same time to conduct dust collection treatment; when the moving block moves, the bent rod moves at the same time and drives the second exhaust fan heads to rotate on one side of the supporting rod, the bent rod conveniently moves in th