Scraper machine for sewage treatment

The utility model discloses a scraper for sewage treatment, which comprises a box body (1), a driving wheel shaft group (2), a driven wheel shaft group (3) and a plate chain group (5) with a scraper (4) for connecting the driving wheel shaft group (1) with the driven wheel shaft group (3) are arranged in the box body (1), and a driving motor (6) is arranged on the outer side of the box body (1). Ashearing protection device is arranged on a main shaft (7) of the driving motor (6); and one end of the driving wheel shaft group (2) extends out of the box body (1) and is connected with the shearing protection device through a chain wheel and a chain (8). The scraper conveyor has the advantages of being ingenious in structural design, reliable in use and low in cost, shutdown treatment can be conducted in time when the scraper conveyor breaks down, large-area damage is prevented, maintenance cost is reduced, and normal production is guaranteed. 本实用新型公开了一种污水处理用刮板机，包括箱体（1），在所述箱体（1）内设置有主动轮轴组（2）和从动轮轴组（3），以及连接主动轮轴组（1）和从