Direct buried cable trench excavation device

The utility model relates to an excavation device for a directly-buried cable trench, and relates to the technical field of cable trench excavation devices.The excavation device comprises an excavation bucket body, a plurality of excavation teeth are arranged on the side face of the excavation bucket body, and a cleaning assembly is arranged on the side face of the excavation bucket body; the cleaning assembly comprises a first scraping plate and an elastic piece, a containing groove for containing the elastic piece is formed in the digging tooth, a positioning block is connected to the edge of one side of the digging bucket body, and one end of the positioning block is inserted into and installed in the containing groove; first connecting rods with the same number as the digging teeth extend out of the edge of the side face, close to the digging teeth, of the first scraping plate, the ends, back on to the first scraping plate, of the connecting rods are fixedly connected with the digging teeth, and the first