Installation clamp and installation structure for air duct on roof surface

The invention discloses an installation clamp and installation structure for an air duct on a roof surface. The installation clamp comprises a first clamping part and a second clamping part which are symmetrically arranged, the upper end of the first clamping part is fixedly provided with a first connecting rod, the upper end of the second clamping part is fixedly provided with a second connecting rod, the first connecting rod and the second connecting rod are detachably connected, an inclined pull rope connecting rod is arranged at the upper end of the first connecting rod, an included angle is formed in the middle of the first clamping part and the middle of the second clamping part, and the bottom of the first clamping part and the bottom of the second clamping part are folded outwards to form folded edges. Compared with the prior art, the installation clamp can prevent instability of the wind action, is simple, efficient, safe and reliable, can reduce complicated high-risk operation of installing auxiliar