People's air defense shutoff door welding deformation timing platform

The utility model discloses a people's air defense shutoff door welding deformation timing platform warp problem accurate inadequately to the prior art timing, provides following technical scheme, including the support, set up on the support pneumatic cylinder that the sliding support column that slides along the width direction of support and vertical downward setting can follow sliding support column on sliding support column length direction slided, be equipped with the sliding support column that the width direction that can follow the support slided on the frame, be equipped with simultaneously the pneumatic cylinder that the length direction that can follow sliding support column slided on the sliding support column, it can make the arbitrary point of pneumatic cylinder on reacing the support on and slide on the width direction of support through sliding support column to make the pneumatic cylinder to slide on the length direction of support along sliding support column, becausedirect slipping oil cyli