| 摘要 |
A portal-type scraper reclaimer having a support structure 10 and a boom 16. The support structure 10 includes end support members 12. The boom 16 has a main portion 17 and an end portion 15. The end portion 15 is bent relative to the main portion 17. The boom 16 is connected to the end support member 12 at a pivot 26 so that the boom moves relative to the end support member 12. A pair of support sprockets 20 and a pair of drive sprockets 18 are connected to the end support member 12. A boom sprocket 22 is fixed to the boom 16. A scraper chain conveyor 24 extends along the boom 16. The described pairs of sprockets 18, 20, 22 guide the scraper chain conveyor 24.
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