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YWZ4-500/E121 SERIES ELECTRO-HYDRAULIC DRUM BRAKES
When the power is cut off, the impeller stops rotating, and the piston drops rapidly under the action of load spring force and its own gravity, forcing the oil to flow back into the upper part of the piston. At this time, it still returns to its original position through the lever mechanism. It is sucked from the upper part of the piston to the lower part of the piston, forcing the piston, the push rod and the beam fixed on it to rise rapidly. It is sucked from the upper part of the piston to the lower part of the piston, forcing the piston, the push rod and the beam fixed on it to rise rapidly. Mechanical motion is generated by mechanically compressing the load spring (pusher or brake with load spring) through the lever.
Description
The electric hydraulic brake is composed of two parts, the driving motor and the body (centrifugal pump). The body part is composed of cover, cylinder, piston, impeller and rotating shaft.
In order to reduce the braking torque and structural dimension, the brake is usually installed on the high-speed shaft of the equipment, but the large equipment with high safety requirements (such as mine hoist, elevator, etc.) should be installed on the low-speed shaft close to the working part of the equipment. Some brakes have been standardized and serialized, and are manufactured by professional factories for selection.
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