Safe canopy lid

The utility model provides a tip that safe canopy lid, four angle bottoms of this application top frame respectively have one to support the cylinder, and the top frame is fixed at the telescopic link that supports the cylinder the collateral branch frame of top frame both sides respectively has a side channel, respectively there is a pair of collateral branch frame top frame both sides, side propelling movement cylinder is fixed on the collateral branch frame, the side propelling movement cylinder symmetry of top frame both sides sets up, tip towards the top frame center of the telescopic link of side propelling movement cylinder, the inner wall of top frame both sides respectively has a pair of rotating electrical machines, epiphragma one side is around in the pivot, the pivot both ends link to each other with the pivot of rotating electrical machines, the epiphragma opposite side has branch, the side channel that the top frame was passed to branch links to each other with the tip that corresponds the telescopic link of propelling movement cylinder that inclines. The utility model provides a safe canopy lid, there is the open closed epiphragma at its top, can carry out the switching as required to in the repair, altitude control, height -adjusting as required and canopy lid accessible cylinder goes up and down.