A moving device for moving on a wall surface comprising: at least two or more vehicles each comprising a body, two first wheels (12a, 12b) disposed on the body and each rotatable around a shaft (121a, 121b) for moving on a wall surface, two rotation drivers (122a, 122b) configured to rotate each of the two first wheels (12a, 12b) respectively, an adhesion mechanism (110, 15) which is disposed on the body and configured to adhere to the wall surface; and a link (13a, 13b), extending in a direction perpendicular to the axis of the shafts (121a, 121b) beyond circumferences of the first wheels (12a, 12b), and one or multiple couplers that connects/connect every vehicle located adjacent to each other in a traveling direction of the at least two or more vehicles, wherein one end of the link (13a, 13b) is connected to a shaft (132a, 132b) in a manner rotatable around the shaft (121a, 121b), and rotatable relative to the two first wheels (12a, 12b), and the one or multiple couplers located at the other end of the link (13a, 13b) belonging to each of the at least two or more vehicles connects/connect between the vehicles located adjacent to each other in the traveling direction, characterized in that each of the at least two or more vehicles further comprises a pitch driver (131a, 131b) configured to rotate the body relative to the link (13a, 13b) around the shaft (121a, 121b). at least two or more vehicles each comprising a body, two first wheels (12a, 12b) disposed on the body and each rotatable around a shaft (121a, 121b) for moving on a wall surface, two rotation drivers (122a, 122b) configured to rotate each of the two first wheels (12a, 12b) respectively, an adhesion mechanism (110, 15) which is disposed on the body and configured to adhere to the wall surface; and a link (13a, 13b), extending in a direction perpendicular to the axis of the shafts (121a, 121b) beyond circumferences of the first wheels (12a, 12b), and a body, two first wheels (12a, 12b) disposed on the body and each rotatable around a shaft (121a, 121b) for moving on a wall surface, two rotation drivers (122a, 122b) configured to rotate each of the two first wheels (12a, 12b) respectively, an adhesion mechanism (110, 15) which is disposed on the body and configured to adhere to the wall surface; and a link (13a, 13b), extending in a direction perpendicular to the axis of the shafts (121a, 121b) beyond circumferences of the first wheels (12a, 12b), and one or multiple couplers that connects/connect every vehicle located adjacent to each other in a traveling direction of the at least two or more vehicles, wherein one end of the link (13a, 13b) is connected to a shaft (132a, 132b) in a manner rotatable around the shaft (121a, 121b), and rotatable relative to the two first wheels (12a, 12b), and the one or multiple couplers located at the other end of the link (13a, 13b) belonging to each of the at least two or more vehicles connects/connect between the vehicles located adjacent to each other in the traveling direction, characterized in that each of the at least two or more vehicles further comprises a pitch driver (131a, 131b) configured to rotate the body relative to the link (13a, 13b) around the shaft (121a, 121b).