Tamping device based on excavator platform

The invention relates to a tamping device based on an excavator platform, and belongs to the technical field of rail transit. The upper portion of a box body of the device is connected with a hanging lug serving as an excavator connector through a rotary driving assembly. The middle of the lower part of the box body is provided with a pair of downward insertion limiting parts, and two sides are respectively hinged with the middle parts of the left and right pickaxe arm parts; the pickaxe arm part is provided with a fixed tamping pickaxe and an overturning tamping pickaxe through a fixed arm and an overturning arm; the upper portion of the overturning arm is hinged to the pickaxe arm body, the outer side of the overturning arm is hinged to the telescopic end of the overturning oil cylinder, and the upper portion of a cylinder body of the overturning oil cylinder is hinged to the pickaxe arm body. After the method is adopted, not only is going up and down conveniently achieved, but also adaptability and flexibi