The utility model discloses a gas pipe installation device and gas pipe installation mechanism relates to the gas engineering field, and the guider among the gas pipe installation device has along the first slide rail of first direction and the second slide rail of second direction for adjust the horizontal or longitudinal separation of many gas pipes of complex on the bearing surface with it. This installation device has simple structure, loads and unloads convenient advantage, not only can make the staff more conveniently install the gas pipe, the operating is simplified process, but also improved work efficiency, and can accurately realize fast firing tracheal installation, reduce the risk that the gas was leaked. A gas pipe installation mechanism, possesses above -mentioned gas pipe installation device, also possesses gas pipe installation device's characteristics, has improved and has fired tracheal installation effectiveness.