Fig. 1

Three-dimensional model diagram of hanging cup transplanter. (1) Seedling feeding mechanism; (2) Three point suspension device; 3. Planting mechanism; 4. Planting depth adjustment mechanism; 5. Ground wheels; 6. Soil covering wheels; 7. Feeding cups; 8. Seats. Image was performed using Creo 6.0 (https://www.ptc.com/cn).