A vertical long shaft Suspended semi submersible sewage sump pump transmission shaft component and its connection device

A vertical long shaft Suspended semi submersible sewage sump pump transmission shaft component and its connecting device, consisting of transmission shaft 1, rolling bearing 2, connecting pipe 3, connecting bolt 4, bearing frame 5, bearing cover 6, elastic coupling 7, coupling short tube 8, flat key 9, mechanical sealing device 10, and impeller 11. The transmission shaft 1 is supported at the center of the bearing frame 5 through rolling bearing 2, and the bearing cover 6 fixes the rolling bearing 2 on the bearing frame 5. The upper and lower sections of the transmission shaft are connected by elastic coupling 7, and the flat key 9 fixes the elastic coupling 7 at the end of the transmission shaft. The coupling short tube 8 is installed between the upper and lower bearing frames outside the elastic coupling 7, and the connecting pipe 3 is installed between the upper and lower bearing frames outside the transmission shaft 1. Connect the flange at port 3 of the connecting pipe, the flange at port 5 of the bearing frame, and the flange at port 8 of the coupling short pipe with connecting bolt 4, The impeller 11 is located at the lower end of the drive shaft, and above the impeller 11 is the mechanical seal device 10 of the drive shaft.

Technical requirements: A vertical suspended semi submersible vertical sump pump transmission shaft component and its connecting device, characterized by being composed of transmission shaft 1, rolling bearing 2, connecting pipe 3, connecting bolt 4, bearing frame 5, bearing cover 6, elastic coupling 7, coupling short tube 8, flat key 9, mechanical sealing device 10, and impeller 11. The transmission shaft 1 is supported at the center of the bearing frame 5 through rolling bearing 2, and the bearing cover 6 fixes the rolling bearing 2 on the bearing frame 5. The upper and lower sections of the transmission shaft are connected through elastic coupling 7, and the flat key 9 fixes the elastic coupling 7 at the end of the transmission shaft. The coupling short tube 8 is installed between the upper and lower bearing frames outside the elastic coupling 7, and the upper and lower bearings outside the transmission shaft 1 are installed. Install connecting pipe 3 between the racks, and connect pipe 3 with a flange at the end The flange of bearing frame 5 and the flange of coupling short pipe 8 are connected with connecting bolts 4. The impeller 11 is located at the lower end of the transmission shaft, and above the impeller 11 is the mechanical seal device 10 of the transmission shaft.