Anti-blocking high-temperature-resistant sewage pump and assembly process thereof

Abstract

The invention relates to an anti-blocking high-temperature-resistant sewage pump and an assembly process thereof. The sewage pump comprises a pump shell; a water inlet, a pump chamber, a flow channel and a water outlet are communicated with the pump shell from bottom to top; the pump chamber is connected above the water inlet; the flow channel is connected above the pump chamber; and the water outlet is connected above the flow channel. Turning and beveling are reduced due to the design of an up-down straight-through type pipeline, so that the risk of blockage of a blow-off pipeline is reduced. A motor shell is arranged in the flow channel, liquid passing through the flow channel can take away heat dissipated in the motor shell, and a mechanism in the motor shell is prevented from being overheated; a spindle is arranged in the motor shell, the upper end and the lower end of the spindle are sleeved with an upper bearing and a lower bearing respectively, a rotor is fixed to the spindle between the upper bearing and the lower bearing, and a stator is arranged outside the rotor; and an impeller is arranged at the tail end of the spindle and arranged in the pump chamber, one end of a connecting shaft is fixed to the center of the impeller, blades are arranged at the other end of the connecting shaft, and large-particle solids and fibers can be smashed through rotation of the blades.

Description

technical field [0001] The invention relates to the technical field of sewage pumps, in particular to an anti-blocking high temperature resistant sewage pump and an assembly process thereof. Background technique [0002] The sewage pump is a pump product in which the pump and the motor are integrated and submerged into the liquid to work at the same time. Because the pump and the motor are coaxial, the shaft is short, and the rotating parts are light, so the load (radial) on the bearing is relatively small, and the service life is much longer than that of ordinary pumps. There is no problem of cavitation damage and water diversion. Especially the latter point brings great convenience to the operator. Small vibration and noise, low motor temperature rise, no pollution to the environment. With the development of cities and industries, domestic sewage and industrial sewage are increasing, and the use scenarios and scope of sewage pumps are also increasing. [0003] Traditio...

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Problems solved by technology

[0003] Traditional sewage pumps generally do not have the characteristics of high temperature resistance. When they need to be used in a scene with high ambient temperature, the motor and transmission mechanism will not be able to dissipate heat quickly due to the high temperature, and there will be a mismatch of parts and even mechanical failure; At the same time, existing sewage pumps usually use large-diameter flow channels and chambers to avoid solids in sewage from clogging the sewage pump. However, with the increasingly complex usage scenarios of sewage pumps, solid and colloidal substances in sewage are extremely easy to block the flow. Road, resulting in failure of the sewage pump

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