Maqaloda bir sharoshkali burg'ulash dolotosining dinamikasi ko'rilgan. Bir sharoshkali burg'ulash dolotosining kinetik tasniflari topilgan va lining asosiy tavanchining movlash bilan ishonchli etkazuvchi qotirish moslamasining vangi konstruksiyasi yaratildi.

Tayanch iboralar: tog' jin si, burg'ulash, burg'alash dolotosi, energiya sarfi, quduq, salnik hosil bo'lishi, tavanch germetizatsivasi, vuvish suvuqligi.

The article deals with questions o f the dynamics o f one-cutter rock drilling bit on a determined basis. The kinetic characteristic o f the one-cutter rock drilling bit was received and a new design o f the sealing o f drilling bit bearing structure with reliable lubricant charging was developed.

Key words: rock, drilling, drilling bit, energy costs, well, balling, bearings sealing, cleaning fluids.