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Connecting structure of pump shaft and motor of submerged pump

A connection structure and submerged pump technology, which is applied to components of pumping devices for elastic fluids, liquid fuel engines, pumps, etc., can solve the problems of heavy maintenance workload and long maintenance time, and improve the use efficiency , Reduce the effect of maintenance workload

Inactive Publication Date: 2016-05-11
安徽凯特泵业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With such a structure, when the submerged pump is damaged, the maintenance workload is large and the maintenance time is long.

Method used

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  • Connecting structure of pump shaft and motor of submerged pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Such as figure 1 As shown, the high-temperature hydrochloric acid submerged pump includes a motor 1, a motor coupling 15, a pump coupling 14, a bearing housing shaft 13, a pump shaft 4, a support pipe assembly 12, an outlet pipe 5, a pump body 11, an impeller 7 and a leakage screen 9. The pump shaft 4 is located in the support tube assembly 12. The side of the support tube assembly 12 has an outlet pipe 5. The upper end of the pump shaft 4 is detachably connected to the bearing seat shaft 13. The upper end of the pump shaft is provided with a labyrinth seal. The pump shaft The lower end of 4 has impeller 7 and pump body 11, the upper part of pump shaft 4 has bearing seat 3 and rolling bearing 2, rolling bearing 2 is located in bearing seat 3, the lower part of pump shaft 4 is installed with sliding bearing 6, and the lower part of outlet pipe 5 has and support The elbow 8 connected by the pipe assembly 12 has a leakage net 9 under the pump body 11 . The submerged conne...

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PUM

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Abstract

The invention discloses a connecting structure of a pump shaft and a motor of a submerged pump. The submerged pump comprises the motor, the pump shaft and a supporting tube assembly, the pump shaft is positioned in the supporting tube assembly, a bearing block shaft is arranged at the upper end of the pump shaft, and is detachably connected with the pump shaft, a motor coupler and a pump coupler are arranged between the motor and the pump shaft, the bearing block shaft and the pump coupler are formed integrally, and the motor coupler is connected with a motor shaft. The connecting structure of the pump shaft and the motor of the submerged pump adopts the mode, maintenance load is reduced, and the service efficiency of the pump is improved.

Description

technical field [0001] The invention relates to a submerged pump, in particular to a connection structure between a pump shaft and a motor of a submerged pump. Background technique [0002] Automobiles, home appliances, and silicon steel cold-rolled sheet pickling and conveying waste acid discharge media are high-temperature concentrated hydrochloric acid, sulfuric acid, hydrofluoric acid, etc., which are extremely corrosive and have a high temperature (80°C to 100°C), and most metals and alloys None of them can be used as materials for pumps. Special alloys are available but very expensive, so non-metals must be used. Non-metals have strong corrosion resistance, but their physical properties are unstable, and they are easy to expand with heat and contract with cold, which can easily cause damage to the seal of the pump. leakage. The existing submerged pump includes a motor, a pump shaft, a support pipe assembly, an outlet pipe, a pump body, an impeller and a drain net, the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/044F04D29/046F04D29/049F04D29/10F04D29/043
CPCF04D29/044F04D29/043F04D29/046F04D29/049F04D29/106
Inventor 汪卫平唐训民唐子一
Owner 安徽凯特泵业有限公司