| 摘要 |
A roller crusher comprises at least one roller (2) mounted on a shaft (3), at least one first supporting arm (4), and a frame. The first supporting arm (4) is rotatably attached to the shaft (3) at a first end, and to the frame (5) at a second end. The first supporting arm (4) further comprises a first hole, and the frame (5) comprises a second hole. The roller crusher (1) further comprises a first fixing member (8) adapted to be inserted in said first and second holes, when said holes are aligned with each other, for locking said first supporting arm (4) in a fixed position. A method of fixing a position of a roller in a roller crusher is also disclosed.
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