A MINING BOOM AND METHOD OF SUPPORTING HOSES

摘要

Abstract The invention relates to a mining boom (3) comprising a non-rotating boom unit (NRU), a rotating boom unit (RU) and a rotating device (16) between them. The rotating boom unit is provided with a mine work unit (2) and hose assembly (12) is led to the mine work unit over a rotating joint (15) formed by the rotating device. The rotating joint comprises rotation axis (17) and the hose assembly is supported to a curved surface (30) being arranged around the rotation axis. The invention also relates to a method of supporting hoses (24, 25, 26) to a boom of mine vehicle (1). (Figure 1) 2a 5 g NRU 13a-- 13 16,.. R 14 '7 RU 2 13a NUb12 1920 2 NR 2b5 RU 11 3b 13a l 1 20-- * R L - --- --- -- --- --- -- 1213b 15 2c - -A 6 13b R (D3c--/ 13a2 30 -. 30 2 FIG. 2 FIG. 3