| 摘要 |
1. Hydraulic drive percussive device containing a hydraulic hammer and supplying unit, such a hydraulic hammer possessing a body with a working chamber and control valve, percussive piston with beater, movable distribution valve, pressure liquid and gas accumulators, and percussive tool, and the supplying unit constituting the pumping engine and oil container fastened on a common base characterized in that pressure accumulators (16) are connected to the pressure pipes (18) and (21) supplying the hydraulic hammer (I) and are fastened on the common base (17) of the supplying unit (II).<IMAGE>
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