Urban surveying and mapping vehicle with dust removal function for geographic information collection

The invention discloses an urban surveying and mapping vehicle with a dust removal function for geographic information collection. The urban surveying and mapping vehicle is characterized in that theupper end of a dust removal bin of a dust removal mechanism is connected with a dust suction port through a dust suction pipe, the bottom of the dust removal bin is provided with a dust discharge bottom cover in a hinged mode, an air cylinder and a piston are arranged on the interior of a power bin of the dust removal mechanism, the piston is driven by a power device to move along the interior ofthe air cylinder, a one-way air inlet valve is arranged in the middle of the piston, the piston divides the air cylinder into an air inlet bin and an exhaust bin, the air inlet bin is connected with the top of the dust removal bin through an air inlet pipe, the exhaust bin is connected with a dust removal water tank through a first exhaust pipe, an exhaust end of a second exhaust pipe connected with the exhaust bin directl