Detection device for permeability coefficient of concrete

The utility model discloses a concrete permeability coefficient detection device in the field of concrete detection equipment, which comprises a water tank and a placement tank, the water tank is fixedly connected with the placement tank, the top of the right side of the water tank is fixedly connected with a water pump, a water inlet of the water pump is communicated with the water tank through a pipeline, and a water outlet of the water pump is communicated with a nozzle through a telescopic pipe. A motor and a first threaded rod are arranged in the containing box, and a rotating shaft of the motor is fixedly connected with a second threaded rod. According to the device, water can be sprayed on concrete through the water tank, the water pump and the spray head, a first filter screen can be driven to move through a motor, a first threaded rod, a second threaded rod and a threaded pipe, people can place and take out the concrete conveniently, the concrete can be placed through the first filter screen, and the