Foundation pit earthwork blasting protection equipment

The invention relates to foundation pit earth-rock blasting protection equipment which is applied to the field of earth-rock blasting and comprises two supporting columns, the two supporting columns are fixed to the ground through fixing mechanisms, and a main protection quilt is connected between the two supporting columns; one side of the main protection quilt is a blasting area, and the other side of the main protection quilt is a protection area; extension rods are connected to the two supporting columns through sliding mechanisms, the extension rods can slide in the axial direction of the supporting columns through the sliding mechanisms, and an auxiliary protection quilt is connected between the two extension rods; the auxiliary protection quilt can be moved to the position above the main protection quilt and located on one side of the protection area by sliding the two extension rods, and at the moment, the two extension rods bend and extend towards one side of the protection area and are connected wit