| 摘要 |
Control drum brakes are single acting hydraulic cylinder and consists of a body (1), which is stored in the piston (2) sealing collar (5). At the bottom of a body is tapped (6) to supply the working pressure (p) and on the side of the cylinder is located vent hole in the bleed screw (4) to vent the cylinder. The piston (2) a hole with a ball tip. In the recess of the body is attached duster (5). Return of the piston (2) to provide initial position return mechanism controls the brake disc. To attach the cylinder to the whole body of the cylinder flange drilled two holes exact (7) and the bearing surfaces (8) at the bottom. |
