Brevini Australia supplied a custom gear unit solution for the bucket elevator in a ship transporting gypsum.
Previous gear units used in the bucket elevator were leaking oil, due to the gypsum environment degrading the output seals. Additionally, bolts were popping due to the high axial and radial loads being experienced.
Given the small envelope size required, aggressive environment, and high axial and radial loads, finding a suitable solution was proving difficult.
Brevini’s S-Series gear unit was recommended as the solution. Brevini’s design engineers first visited the ship and completely measured the available space. Based on the measurements and requirement specifications, the engineers produced a customised design to meet the unique application requirements.
Four drives were supplied, consisting of a custom designed foot-mount gearbox with a special input including a one-way bearing. A special output sealing arrangement was also designed, consisting of labyrinth o-rings and a double-lipped seal. The bolts on the keeper plate drive flange were upsized to adequately bear the loads of this demanding application.
The resulting solution delivered high torque, and high axial and radial load bearing capacity, all within a small envelope size.