Safety protection device for dumping construction of strip mine

The invention discloses a safety protection device for strip mine dumping construction, relates to the technical field of strip mine dumping construction, and aims to solve the technical problems that in the prior art, the flatness of the device cannot be guaranteed, and the middle part of the device is easy to sink downwards in the vehicle running process due to the fact that the whole weight of the device is light. The device comprises a fixing frame, a mounting assembly arranged on the lower side of the fixing frame and used for positioning and mounting, a protection plate arranged on the upper side of the fixing frame and used for protection, and a height adjusting assembly arranged on the upper side of the protection plate and used for adjusting the height. Wherein first through grooves which are evenly distributed are formed in the surface of the fixing frame, a groove used for being sunken downwards is formed in the front side of each first through groove, an elastic element which can stretch out and d