| 摘要 |
<p>A quick clamping device of an electric hammer includes a chuck connecting rod for installing a hammer chuck or a drill chuck, a rotary sleeve (21), a switch sleeve (15) and a reduction box (19). The rotary sleeve (21) is accommodated in the switch sleeve (15) and the reduction box (19). The chuck connecting rod is installed in the rotary sleeve (21) through splines. The rotary sleeve (21) is provided with steel balls (17). The inner sides of the steel balls (17) butt against the steel ball grooves of the chuck connecting rod, and the outer sides of the steel balls (17) contact with the steel ball retaining ring (16). The steel ball retaining ring (16) is accommodated in the switch sleeve (15). The quick clamping device of an electric hammer is convenient and quick to replace and improves the drilling precision.</p> |
