Portable support for repairing sandstone grotto top plate scaly upwarp disease

The invention discloses a portable support for repairing a sandstone grotto roof scaly upwarp disease, and relates to the technical field of grotto temple protection and repairing, and the technical scheme is that the portable support comprises a supporting table, an electric telescopic rod is arranged outside the supporting table, an angle adjusting mechanism is arranged outside the electric telescopic rod, and the angle adjusting mechanism comprises an adjusting table; according to the device, during repairing, firstly, the three supporting legs are opened, then the fixing plate is turned over, the fixing plate is attached to the ground surface, after turning is completed, the ground grabbing assembly arranged outside the fixing plate is opened, and the ground grabbing assembly can drive the ground grabbing nails to move downwards so that the ground grabbing nails can be inserted into the ground to fix the device; the stability of the device is effectively improved, the device cannot easily overturn even if