The electric hydraulic pusher is a crucial transmission component often used in combination with a brake frame. It is widely applied in braking systems across various types of transmissions, providing reliable and efficient operation. Typically, it consists of two main parts: the motor-driven unit and the body (which includes a centrifugal pump). The body is made up of several key components such as a cover, cylinder, piston, impeller, and lever.
When power is supplied, the motor drives the impeller mounted on the rotating shaft, which generates pressure within the piston chamber. This pressure causes oil to be drawn from the upper part of the piston to the lower section, pushing the piston and the attached push rod upward rapidly. This mechanical motion is achieved by compressing a load spring through a lever mechanism, which then engages the brake system.
Once the power is turned off, the impeller stops rotating, allowing the piston to descend quickly under the force of the load spring and its own weight. As the piston moves down, the oil flows back into the upper chamber, and the entire mechanism returns to its original position via the lever system.
Electric hydraulic pushers are designed with high-quality materials and advanced engineering to ensure durability and performance. The housing is typically made from cast aluminum alloy, offering a lightweight and aesthetically pleasing design. The motor features a non-immersion oil structure with B or F-grade insulation, depending on user requirements, ensuring excellent heat resistance and long service life. The motor junction box is sealed, and the cable entry is secured with a stuffing box, providing a reliable and durable electrical connection with an IP55 protection rating.
The motor shaft and push rod are coated with hard chrome plating, significantly extending the seal's lifespan. Additionally, the cylinder housing includes a balancing chamber, allowing the device to be installed in any direction between 0° and 180°, making it highly versatile for different applications.
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