ROCK PERFORATOR Russian patent published in 2008 - IPC E21B3/00 E21B19/84

Abstract RU 2314404 C1

FIELD: mining, particularly devices for bore-hole drilling during mine excavation and lining.

SUBSTANCE: rock perforator is made as rotator with supply drive. Supply drive comprises driving drum adapted to wind rope coils and releasing mechanism. Drum end is secured to mine lining. Releasing mechanism breaks kinematic link between rope and supply drive. Driving drum is made as friction pulley. Releasing mechanism is created as accumulation mechanism or weight fastened to idle rope branch.

EFFECT: provision of constant supply speed, elimination of emergency situations and increased operational reliability of perforator as a whole.

2 dwg

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RU 2 314 404 C1

Authors

Chikin Viktor Grigor'Evich

Dates

2008-01-10—Published

2006-03-06—Filed