Modularized clustered hydraulic impact rock drilling tool and working method thereof
The invention relates to a modular cluster type hydraulic impact rock drilling tool and a working method thereof.The modular cluster type hydraulic impact rock drilling tool comprises a head cover module, the lower portion of the head cover module is detachably connected with a rotary head module, a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a modular cluster type hydraulic impact rock drilling tool and a working method thereof.The modular cluster type hydraulic impact rock drilling tool comprises a head cover module, the lower portion of the head cover module is detachably connected with a rotary head module, and the lower end of the rotary head module is detachably connected with an inner cluster module and an outer cluster module; a plurality of hydraulic impact sub hammers used for impacting and drilling rock are connected in the bundling inner module and the bundling outer module; the upper portion of the head cover module is provided with a charging barrel used for collecting rock slag and a baffle which is connected to the discharging end of the charging barrel and can be opened, and the upper end of the charging barrel is provided with an opening used for feeding the rock slag. A high-pressure exhaust hole is formed in the lower end of the hydraulic impact sub hammer; the weight of each module is not larger than 1 |
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