Down-the-hole hammer swing orientation device

• Main Authors: WANG SHENGLIN, ZHANG SHIMING, DENG YINJIANG, LIU CHENGJUN, XIAO XINYUAN, WEI QINWEN
• Format: Patent
• Language: Chinese; English
• Published: 11.12.2020
• 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 invention discloses a down-the-hole hammer swing orientation device. The down-the-hole hammer swing orientation device comprises a limiting assembly, a swing hammer, a fixing cavity and a reversing mechanism, wherein the limiting assembly comprises an air distribution disc, a cylindrical roller, a hinge cylinder, a fixing frame and a screw; the limiting assembly is used for limiting the initial positions of the reversing mechanism and the swing hammer; the air distribution disc is fixedly connected with an upper connector and a cover plate; the cover plate is fixedly connected with the fixing cavity; the swing hammer is sleeved with the fixing cavity and fixedly connected with a lower connector; the reversing mechanism is sleeved with the swing hammer; a second arc-shaped groove is formed in the position, right opposite to a first arc-shaped groove, of the reversing mechanism; the cylindrical roller is arranged in the second arc-shaped groove in a sliding fit mode; the reversing mechanism is provided with