Sliding bearing assembly of magnetic pump and magnetic pump

Abstract

The invention relates to a sliding bearing assembly of a magnetic pump and a magnetic pump, wherein the sliding bearing assembly consists of a bearing seat (1), a sliding bearing (2) and anti-rotationkey panels (3a, 3b) ; circular notch planes (21a, 21b) are symmetrically arranged on the outer circle (20) of the sliding bearing (2), a male end (24) is arranged at the outer side end of the slidingbearing (2), the outer circle (20) of the sliding bearing is matched with the inner hole of the bearing seat (1), anti-rotation key panels (3a, 3b) for complementing the outer circle (20) of the sliding bearing are respectively arranged on circular notch planes (21a, 21b) symmetrically arranged on the outer circle (20) of the sliding bearing, and the anti-rotation key panels (3a, 3b) are fixedlyconnected with the bearing seat (1) through locking screws (15). According to the sliding bearing assembly of a magnetic pump, the anti-rotation fit between the sliding bearing (2) and the bearing seat (1) is formed through the anti-rotation key panels (3a, 3b), and meanwhile, the sliding bearing (2) is matched with the axial spigot of the bearing seat (1), so that the sliding bearing (2) is prevented from moving to the outer side of the bearing seat in the axial direction so that the sliding bearing is not easy to get damaged, the installation is stable, and the running stability of the shaftsystem of the magnetic pump is improved.

Description

technical field [0001] The invention relates to a sliding bearing assembly of a magnetic pump and a magnetic pump using the sliding bearing assembly. Background technique [0002] The sliding bearings made of silicon carbide used in magnetic pumps are resistant to strong acids, alkalis, and salts, have low requirements for lubricating media, long life, and low noise, so they are widely used in magnetic pumps. [0003] The installation stability of the sliding bearing directly affects the stability of the shafting operation of the magnetic drive pump. [0004] The sliding bearing is installed in the bearing seat. When the magnetic pump is running, when the medium temperature reaches 200°C, the fastening force of the sliding bearing seat to the sliding bearing will decrease, which will cause the sliding bearing to rotate radially on the bearing seat. To prevent this phenomenon If it happens, set the anti-rotation screw on the bearing seat. [0005] Since the sliding bearing ...

AI Technical Summary

Problems solved by technology

[0005] Since the sliding bearing also bears the axial alternating force of the pump shaft and the shaft sleeve during operation, under the action of this axial alternating force, the sliding bearing will move axially on the bearing seat. This phenomenon The occurrence of the shaft affects the stability of the shaft system, and it is easy to cause damage to the sliding bearing

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