Concrete vibrating device for highway municipal administration

The highway municipal concrete vibrating device comprises a motor and a rod body, an upper cavity and a lower cavity are formed in the rod body, one end of the lower cavity penetrates through the bottom end of the rod body, a sliding rod is arranged in the lower cavity, and a first magnetic part is arranged on the sliding rod; a plurality of penetrating openings are formed in the side wall, corresponding to the upper cavity, of the rod body, extending rods are arranged in the penetrating openings in a sliding mode, second magnetic parts are arranged at the ends, close to the upper cavity, of the extending rods, and magnetic poles of the first magnetic parts and the second magnetic parts are opposite; and an elastic resetting piece is arranged between the end part of each extension rod and the inner wall of the rod body and is used for assisting the extension rod in resetting. According to the concrete vibrating rod, when the concrete vibrating rod works, the sliding rod moves upwards by means of thrust of con