Tube well hole plugging device with adjustable size

The utility model discloses a size-adjustable tube well hole plugging device, which relates to the technical field of tube well hole plugging equipment, and adopts the technical scheme that the size-adjustable tube well hole plugging device comprises a telescopic vertical rod, a tripod is arranged at the bottom of the telescopic vertical rod, and the top of the telescopic vertical rod is connected with a plugging piece through an inclined support rod piece; the plugging piece comprises a square steel plate and a plurality of annular steel plates arranged in the square steel plate. The device has the beneficial effects that the device can be assembled through the annular steel plates according to the diameters of casing pipes with different sizes so as to form circular holes with different sizes, so that the device is suitable for pouring various types of tube well holes, and the aims of saving energy, protecting the environment and improving the construction quality and the construction efficiency are fulfill