Removal machine for soil in groove of Larsen steel plate pile and using method thereof

The invention discloses a removal machine for soil in a groove of a Larsen steel plate pile and a using method thereof. The removal machine comprises a steel pipe frame, a motor, a lithium battery pack, a gear box, a soil loosening cutter disc, a soil scraper, traveling wheels and electromagnets, wherein the motor and the lithium battery pack are both connected with the steel pipe frame; the gearbox is arranged at the front end of the steel pipe frame; a motor shaft of the motor is connected with an input shaft of the gear box; the soil loosening cutter disc is connected with an output shaftof the gear box; the soil scraper is arranged behind the soil loosening cutter disc and is connected with the steel pipe frame; the shape of the cross section of the soil scraper is consistent with the shape of the cross section of the steel plate pile; the middle rear part of the soil scraper is bent in an arc shape and the concave arc surface of the soil scraper faces forwards; the two sides ofthe bottom of the steel pip