Electric Hoist Drive

Content

1. Service life of the drive device ....................................................................................... 6

2. Motor selection, kinematic calculation of the drive ................................................................. 7

3. Selection of worm gear materials and determination of permissible voltages............... 11

4. Calculation of a closed worm gear ..................................................................................... 13

5. Calculation of an open worm gear ..................................................................................... 17

6. Gearbox shaft loads .......................................................................................................... 20

7. Development of a general view of the gearbox ............................................................................. 22

8. Design diagram of gearbox shafts ............................................................................................... 25

9. Verification calculation of bearings ........................................................................................... 29

10. Structural layout of the ..................................................................................... drive 32

10.1. Design of gears ......................................................................................... 32

10.2. Design of shafts .......................................................................................................... 32

10.3. Selecting .................................................................................................................. Connections 32

10.4. Design of bearing units ............................................................................. 33

10.5. Design of the gearbox housing .................................................................................... 33

10.6. Construction of open gear elements .................................................................. 34

10.7. Clutch Selection ........................................................................................................................... 35

10.8. Lubrication .............................................................................................................................. 35

11. Verification calculations ................................................................................................................ 37

11.1. Check calculation of keys ................................................................................................. 37

11.2. Verification Calculation of Tightening Screws of Bearing Units ........................................... 38

11.3. Refined calculation of ....................................................................................................... shafts 38

11.4. Thermal calculation of the  ................................................................................................... gearbox 40

12. The technical level of the gearbox ............................................................................................... 41

Literature