| 摘要 |
FIELD: agricultural engineering. SUBSTANCE: bridge set has truss 1 with platform 2 moving along truss and wheel supports 3. Wheel supports have tyres 4 fitted on drums 5 set into rotation from standard hub 6 through propeller shafts 7 from geared motors 8. Additional bevel hub 9 with flange 10 is provided. Flange has holes coinciding with holes cut in hub 9 and holes in drum 5. EFFECT: increased load carrying capacity, reduced expenses for manufacture. |
