| 摘要 |
FIELD: machine building. ^ SUBSTANCE: invention is related to design of roller journal bearing located on the side of sealing barrel. Design (1) of roller (2) journal bearing located on the side of sealing barrel comprises journal bushing (3) installed on roller journal (2), and bushing is matched with rotary ring (5), bearing bushing (7) is installed in bed (6), radial seals with radial jaw pieces (13, 13') matched with bed (6) via holder (11), which interact with rotary ring (5), and sealing system (16), which is installed relative to roller barrel (4). Holder (11) and radial jaw pieces (13, 13') are arranged as a whole in the form of sealing element (8) and form together with sealing jaw piece (15) of sealing system (16) single unit, which is detachably tightly fixed to bed (6). Sealing system (16) comprises L-shaped profile (17), which is mounted on end side (18) of roller (4). There is labyrinth (19) formed between shelves of L-shaped profile (17) and sealing element (8). Sealing jaw piece (15) tightly abuts shelf of L-shaped profile (17). ^ EFFECT: improvement and optimisation of sealing device so that it is efficiently manufactured and operated, consists of only small number of parts and provides for better sealing action. ^ 12 cl, 4 dwg |
