Dust removal device and foundation pit construction edge safety early warning device with dust removal device

The utility model relates to the technical field of safety early warning, in particular to a dust removal device and a foundation pit construction edge safety early warning device with the dust removal device. The dust removal device comprises an air inlet device, an air outlet device and a dust removal device, the exhaust device comprises an exhaust pipe, a motor, a rotating shaft and an adhesion ring; the exhaust pipe is fixedly connected with the air inlet device and is communicated with the air inlet channel; the motor is arranged in the exhaust pipe and is fixedly connected with the exhaust pipe; the rotating shaft is in transmission connection with a motor; and the adhesion ring is spirally arranged around the rotating shaft, rotates along with the rotating shaft and is used for adhering dust. The dust removal device can increase the dust adsorption area and improve the dust removal effect. 本实用新型涉及安全预警技术领域，具体涉及除尘装置及带有该除尘装置的基坑施工临边安全预警装置。所述除尘装置包括：进风装置，内部设有进风通道；排风装置，包括排风管、电机、转轴和粘连环；所述排风管与进风装置固定连接，并与进风通道连通；