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vertical turbine pump

How to make the suspended semi submersible vertical turbine pump motor choose a vertical motor that cannot withstand axial force?

Date:2024/10/22 22:17:21 Source: China Vertical Turbine Pump Manufacturer Clicks

How to make the suspended semi submersible vertical turbine pump motor choose a vertical motor that cannot withstand axial force?


How to make the suspended semi submersible vertical turbine pump motor choose vertical three-phase asynchronous motor and explosion-proof vertical motor that cannot withstand axial force? The long shaft deep well pump adopts a vertical three-phase asynchronous motor instead of a suspended semi submersible vertical turbine pump dedicated motor. A thrust device is installed between the motor and the pump seat to bear the weight of the rotating parts of the pump and the axial force generated during operation. The thrust device includes several major components such as thrust bearing, cooling device, and reverse device. The technical solution of this invention allows the motor to choose vertical three-phase asynchronous motors and explosion-proof vertical motors that cannot withstand axial force, expanding the application field of long shaft deep well pumps, expanding their operating performance range, providing higher power, greater flow rate, and higher head, making their power range wider and more applicable, which is conducive to the development of large shaft deep well pumps in multiple fields.

How to make the suspended semi submersible vertical turbine pump motor choose a vertical motor that cannot withstand axial force.jpg

Technical requirements: 1. A long shaft deep well pump comprising a common vertical three-phase asynchronous motor (1), a pump seat component (2), a lifting pipe component (3), a working component (4), and a thrust device (5), wherein the common vertical three-phase asynchronous motor (1) is installed on the upper part of the thrust device (5), the thrust device (5) is installed on the upper part of the pump seat component (2), the lifting pipe component (3) is installed on the lower part of the pump seat component (2), and the working component (4) is installed on the lower part of the lifting pipe component (3); Its feature is that the motor shaft of the ordinary vertical three-phase asynchronous motor (1) is transmitted to the motor coupling (10) through a key (16), and the motor coupling (10) is connected to the hollow shaft (9) as a whole by bolts. The upper transmission shaft (13) is threaded with an adjusting nut (15), and during installation and debugging, the nut (15) is rotated to adjust to the appropriate position, so that a suitable axial gap is generated between the impeller and the pump casing. Then, it is fixed in the appropriate position of the hollow shaft (9) by bolts. The upper transmission shaft (13) is suspended in the hollow shaft (9) through the adjusting nut (15), and the anti reverse pin (11) is installed in the pin hole of the hollow shaft (9), which surrounds the hollow shaft. The shaft holes are evenly distributed on the hollow shaft (9), and the center of the pin hole is parallel to the center of the hollow shaft (9) passing through the shaft hole; There are multiple grooves evenly distributed around the center on the surface of the bearing cover (8), which together with the hollow shaft (9) and the check pin (11) form a check device.


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