| 摘要 |
Comprises a vertical cylinder whose rod of smaller diameter than the piston, is projected upwards out of the device to be linked to the brake mechanism of the mill, said hydraulic cylinder being enclosed within a cylindrical container larger diameter coaxial to define an annular chamber between them which acts as a deposit of oil that drives the piston displacement. To boost the oil stored in said annular chamber and transmitting hydraulic pressure to the piston, are used to using two suction pumps impellers single acting, located at the top of the set, which are activated by a rocker operated from the same pumping rod mill, while medium valve inserted in the oil circuit driven by said pumps single acting, causes the hydraulic cylinder piston moves the brake, when interrupted your back to the annular chamber. The medium valve inserted in the oil circuit driven pumps, is a directional valve contributor housed in a section of communication between the recirculation and return ducts into the annular chamber. Said directional valve contributor is associated with a float housed inside a cylindrical container provided on the water storage tank in communication with the interior.
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