Boring slewer in colliery

• Main Authors: GE XIAOWEI, WANG DAMENG, LU ZHENGFA, WU GUOSHENG, LI WEIWEI
• Format: Patent
• Language: Chinese; English
• Published: 13.10.2017
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model provides a boring slewer in colliery, including rotation shell and wear to establish the revolving axle in rotation shell, rotation shell's axial both ends are sealed end and open end respectively, sealed end center department has seted up the centre bore, open end department is provided with the end cover, revolving axle one end is connected with power unit after wearing out the centre bore, the other end is worn out to have a pin rod behind the end cover, be provided with cyclic annular spacing arch along the periphery on the revolving axle, and the revolving axle supports to lean on through the first bearing of setting between spacing arch of ring -type and sealed end inner wall and is sealing up end centre bore department, the revolving axle lies in and is provided with second bearing and third bearing on the axis body between cyclic annular spacing arch and the end cover, and it establishes at the epaxial stop collar of gyration to be provided with the cover between second bearing and t