DEVICE FOR ICE BREAKING Russian patent published in 2004 - IPC

FIELD: equipment for ice and hard snow removal from road. SUBSTANCE: device has main frame 2 and additional frame 7, which are mounted on ski supports 1. Frame 2 is secured to ski supports 1 by hinge 3 and two screws regulating ice breaking depth. Disc-shaped operation member 5 is formed as hemispherical discs fixedly connected to shaft 8 and rotating into supports 10. Spring 11 is arranged between main frame 2 and additional frame 7 of disc-shaped operation member 5 for regulating insertion depth of disc-shaped operation member 5 by nut 12. Chipping rotor 13 is hold by supports and intermediate support of main frame. Chipping rotor 13 is driven by hydraulic motor through reducer 17. Chipping rotor 13 actuates main shaft with discs fixedly connected thereto. Discs have four holes equally spaced relative shaft center. Pins are inserted into holes. Rotor 22 operation members formed as L-shaped bits with strikers are pivotally secured to pins by spacing bushings. Scrapper is connected to ski support. EFFECT: increased efficiency of ice breaking. 4 dwg