Know the "slide pump"

Vane pump is also called a skateboard pump and a vane pump. It is mainly composed of a rotor, a stator (ie, a pump body), a slide plate, and both side covers. Relies on the rotation of the eccentric rotor when the pump cylinder and the rotor on the rotor between the two changes in the working volume formed by the transfer of liquid or pressurization of the rotary pump (see pump). The rotor is a cylindrical body with a radial slot, and the slide is placed in the slot, and the slide can slide freely in the slot. The rotor is eccentrically placed in the pump body. When the rotor is rotated by the prime mover, the sliding vane is pressed against the inner wall of the pump body by centrifugal force or spring force. In the first half rotation of the rotor, the space surrounded by two adjacent blades gradually increases to form a partial vacuum and suck liquid. In the second half of the turn, this space is gradually reduced, the liquid is squeezed, and the liquid is pressed into the discharge pipe. According to the installation position of the sliding vane, there are a built-in vane pump (slide installed on the rotor) and an external vane pump (slide mounted on the pump body). Generally, the working pressure of this kind of pump is below 7MPa. The sliding vane pump has a compact structure, a small external dimension, a relatively uniform flow, a stable operation, a low pulsation and noise, and a higher efficiency than a general gear pump. The sliding vane pump has a complex structure and parts are subject to wear. It is mainly used for hydraulic systems and lubrication systems such as machine tools, hydraulic presses, lifting and transportation machinery, construction machinery, and plastic injection molding machines.

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