Deep loose rock soil constant water head permeability experiment device

The utility model provides a deep loose rock soil constant water head permeability experiment device which comprises a hole bottom permeability test cylinder and a continuous water supply device, permeation holes are evenly distributed in the bottom of the side face of the hole bottom permeation test barrel, a test barrel water supplementing pipe and a liquid level height control sleeve are arranged in the hole bottom permeation test barrel, and the continuous water supply device comprises a water supply barrel and a control circuit board; a deflation pipeline is arranged at the top of the water supply cylinder, a water supply pipeline and an air inlet pipeline are arranged at the upper part of the side surface, a water outlet pipeline is arranged at the lower part of the side surface, liquid level sensors are arranged at the top and the bottom of the hole bottom penetration test cylinder, and a counting module is arranged on the control circuit board. The device can effectively solve the problem that the dep