The utility model discloses a major diameter slurry shield machine platform device of giving another right of way belongs to the shield and constructs worker's method tunnel construction equipment field. Including give another the right of way platform steelframe, gyro wheel, footboard, pull the pneumatic cylinder, pull the link, pull the connecting pin, the steelframe connecting plate, its characterized in that: give another the right of way the platform mainly by the platform steelframe of giving another the right of way, the gyro wheel with pull the pneumatic cylinder and constitute. At thesteel shelf location of the platform of the giving another the right of way gyro wheel of equidimension not. The platform front end of giving another the right of way welding pulls the pneumatic cylinder. The utility model has the advantages of the platform device of giving another the right of way through the platform steelframe of giving another the right of way, gyro wheel and pedal group become can park, give another the right of way, reverse end for end to provide sufficient space for the vehicle, just can follow shield structure machine behind the one -time Setup simultaneously and go forward, has improved construction materials needed supply speed greatly, improves the shield and constructs quick -witted work efficiency.