Anti-toppling supporting device

The utility model provides an anti-toppling supporting device, which relates to the technical field of constructional engineering and comprises a base station, a fixing bolt, a hinge seat and a supporting rod, a connecting mechanism is arranged at the top end of the supporting rod, and a telescopic mechanism is arranged in the supporting rod; the rotary knob can be screwed to rotate at the top of the shell, the outer wall of the lead screw is in threaded connection with the inner wall of the rotary knob, the stop block and the sliding groove limit the moving track of the lead screw, the lead screw can be driven to slide up and down in the shell by screwing the rotary knob to rotate forwards and backwards, and then the lead screw can stretch out and draw back in the supporting rod. The anti-slip stripes on the outer side of the knob can prevent the phenomenon of slipping when people screw the knob to rotate, and the knob can prevent the lead screw from completely moving out of the interior of the shell, so tha