Teorie a konstrukce dopravních strojů

1. On a straight belt thrower, indicate from the equation of motion the procedure for calculating the path of a grain of non-rotating material at which this grain reaches the belt speed. A consideration of a rotatable grain.
2. Belt conveyor — Euler's relations, theory of single-drum and multi-drum drives. Theory of partial drives.
3. Explain the phenomenon of belt creep and derive the rate of creep.
4. Falling belt conveyors – calculation of the critical slope, theory of the generator state of the electric motor, modified Euler relations.
5. Vertical screw conveyor — design and determination of critical speeds
6. Describe mathematically the first stage of dropping over the end drum of a belt conveyor. Determine the detachment angle of the material φ1 and construct a parabola
7. Roller tracks — resistances to motion, forces/moments overcoming resistances to motion for gravity and powered track
8. Plate lifter — resistance balance and power calculation
9. Drum lifter — resistance balance and power calculation
10. Derivation of the deflection line of the tensile element
11. Initial shear stress, angle of internal friction, measurement, interpretation, application
12. Progress of pressures in a column of bulk material, Janssen's equation. Flow dynamics.
13. Initial shear stress, model, measurement, interpretation
14. The issue of material discharge at bucket conveyors - gravity, centrifugal and mixed
15. Dynamics of chain conveyors - chain oscillation, speed and acceleration of the chain, dynamic force acting in the chain, control of the chain
16. Swinging of the load during the start-up of the overhead crane
17. Lifting the load over the infinitely rigid support of the 1st stage
18. Theory of transport by vertical redler
19. Derive the deformation rate of the conveyor belt during the start-up of a very long belt conveyor
20. Theoretical expression of the movement of a solitary grain and the movement of a layer of loose matter by a summing shield. Belt conveyor rake resistance