Humidifying device for greenhouse

The utility model provides a humidifying device for a greenhouse. The humidifying device for the greenhouse comprises a shell, three connecting pipes, a plurality of high-pressure water spraying heads, three chain wheels and a chain, the three connecting pipes are rotationally installed on the water inlet box in a sealed mode, the high-pressure water spraying heads are arranged on the three connecting pipes, the three chain wheels are fixedly installed on the three connecting pipes, and the chain is arranged on the shell. The three chain wheels are sleeved with the chain, the rotating column is installed on the water inlet box in a sealed and rotating mode, one end of the rotating column extends into the water inlet box and is fixedly connected with the two installation columns, the straight gear is fixedly installed on the rotating column, and the rack is fixedly connected with the straight gear. The rack is fixedly installed in the shell, and the rack is meshed with the straight gear. The humidifying device