A motor bracket for ultra-high-speed water pump

By adding reinforcement ribs and rectangular reinforcement base plates to the motor bracket of the ultra-high-speed water pump, combined with the spring shock absorber, the stability and vibration problems of the motor and pump shaft when rotating at high speed are solved, and higher installation strength and torsion resistance are achieved .

CN113809880BActive Publication Date: 2024-12-10THE 704TH RES INST OF CHINA STATE SHIPBUILDING CORP
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Patent Information

Application Number
CN202111185596.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-10-12
Publication Date
2024-12-10
Estimated Expiration
2041-10-12

AI Technical Summary

Technical Problem

In ultra-high-speed water pumps, when the motor speed rises, the stability and strength of the motor bracket and pump shaft are difficult to ensure, resulting in the spindle bearings that may be offset and vibrations are large.

Method used

A motor bracket for ultra-high-speed water pump is designed, and the installation strength is enhanced by reinforcing ribs and rectangular reinforcement base plates, and a spring shock absorber device in the bearing seat fixing hole and shock absorption chamber are set to ensure the fixation of the spindle bearing and reduce vibration.

Benefits of technology

The installation strength of the motor bracket and the pump housing is improved, the spindle bearing seat is prevented from being offset, the torsion resistance is enhanced, and the vibration of the pump shaft is reduced through a spring shock absorber.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to a motor bracket for an ultra-high-speed water pump, wherein a main shaft bearing seat is arranged in the middle of the interior of the motor bracket, the motor bracket is cylindrical, and a pump housing mounting flange and a motor mounting flange are arranged at the upper and lower ends of the motor bracket, respectively, a rectangular reinforcing bottom plate is arranged in the middle of the outer side of the motor bracket, a bearing seat mounting platform is arranged on the inner side of the motor bracket at the position of the reinforcing bottom plate, the inner cavity of the motor bracket between the motor mounting flange and the bearing seat mounting platform is an assembly cavity, the inner cavity of the motor bracket between the pump housing mounting flange and the bearing seat mounting platform is a shock-absorbing cavity, and the outer wall of the assembly cavity is provided with four rectangular assembly openings in an annular shape, and bearing seat fixing holes are arranged at both ends of the side of the reinforcing bottom plate. The main purpose of the present invention is to fix the main shaft bearing, prevent the main shaft bearing seat from being offset due to the high-speed rotation of the pump shaft, strengthen the torsional resistance of the overall motor bracket by reinforcing the bottom plate, and reduce the vibration of the pump shaft in the Z-axis direction by the spring shock-absorbing device in the shock-absorbing cavity.
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Description

Technical Field

[0001] The invention relates to the technical field of ultra-high-speed water pumps, and in particular to a motor bracket for an ultra-high-speed water pump. Background Art

[0002] A water pump is a machine that transports liquids or increases the pressure of liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals, etc. It can also transport liquids, gas mixtures and liquids containing suspended solids.

[0003] In order to increase the flow rate and flow rate of the water pump, the speed of the motor needs to be increased. However, when the motor speed increases, the strength of the motor bracket and the pump shaft bearing also increase. It is necessary to ensure the stability of the motor and the pump shaft when the motor rotates at ultra-high speed. Summary of the invention

[0004] The purpose of the present invention is to solve the above deficiencies in the prior art and to propose a motor bracket for an ultra-high-speed water pump.

[0005] To achieve the above-mentioned purpose, the technical solution of the present invention is: a motor bracket for an ultra-high-speed water pump, a main shaft bearing seat is provided in the middle of the interior of the motor bracket, the motor bracket is cylindrical, a pump casing mounting flange and a motor mounting flange are provided at the upper and lower ends of the motor bracket respectively, a rectangular reinforcing base plate is provided in the middle of the outer side of the motor bracket, a bearing seat mounting platform is provided on the inner side of the motor bracket at the position of the reinforcing base plate, the inner cavity of the motor bracket between the motor mounting flange and the bearing seat mounting platform is an assembly cavity, the inner cavity of the motor bracket between the pump casing mounting flange and the bearing seat mounting platform is a shock-absorbing cavity, the outer wall of the assembly cavity is provided with four rectangular assembly openings in a ring shape, and bearing seat fixing holes are provided at both ends of the side of the reinforcing base plate.

[0006] Furthermore, a reinforcing rib is provided on the outer side of the pump casing mounting flange and is connected to the reinforcing bottom plate.

[0007] Furthermore, the number of the reinforcing ribs is eight, and the reinforcing ribs are arranged in a ring shape on the outer side of the pump casing mounting flange.

[0008] Furthermore, the bearing seat mounting platform is a stepped annular mounting platform, and a bearing seat mounting hole is provided in an annular shape on the top of the bearing seat mounting platform.

[0009] Furthermore, the bearing seat fixing hole is a through hole that penetrates the reinforced base plate and the bearing seat mounting platform, and the bearing seat fixing holes on both sides of the reinforced base plate are coaxial.

[0010] Furthermore, a spring shock absorbing device is provided in the shock absorbing cavity.

[0011] Furthermore, the upper and lower ends of the motor bracket are connected to the motor and the pump casing through a motor mounting flange and a pump casing mounting flange respectively.

[0012] The beneficial effects of the present invention are:

[0013] The present invention increases the installation strength of the motor bracket and the pump casing by means of reinforcing ribs arranged on the outside of the pump casing mounting flange, installs a fixing pin in the bearing seat fixing hole to further fix the main shaft bearing to prevent the main shaft bearing seat from being offset due to the high-speed rotation of the pump shaft, strengthens the torsional resistance of the overall motor bracket by strengthening the bottom plate, opens an assembly opening in the assembly cavity to facilitate the disassembly and assembly of the motor main shaft, and reduces the vibration of the pump shaft in the Z-axis direction by means of a spring shock-absorbing device in the shock-absorbing cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an oblique view of a motor support for an ultra-high-speed water pump of the present invention;

[0015] Figure 2 is a cross-sectional view of a motor bracket for an ultra-high-speed water pump of the present invention;

[0016] Figure 3 It is a general assembly cross-sectional view of a motor bracket for an ultra-high-speed water pump of the present invention;

[0017] In the figure: 1. Assembly cavity, 2. Shock absorption cavity, 3. Motor mounting flange, 4. Reinforced bottom plate, 5. Assembly opening, 6. Motor flange mounting hole, 7. Bearing seat mounting hole, 8. Pump casing flange mounting hole, 9. Bearing seat fixing hole, 10. Pump casing mounting flange. DETAILED DESCRIPTION

[0018] In order to deepen the understanding of the present invention, the present invention will be further described in detail below with reference to embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0019] Implementation example:

[0020] like Figure 1 , 2 As shown in Figure 3, a motor bracket for an ultra-high-speed water pump, the upper and lower ends of the motor bracket are respectively connected to the motor and the pump casing, a main shaft bearing seat is arranged in the middle of the interior of the motor bracket, the motor bracket is cylindrical, a pump casing mounting flange 10 and a motor mounting flange 3 are respectively arranged at the upper and lower ends of the motor bracket, a rectangular reinforcing bottom plate 4 is arranged in the middle of the outer side of the motor bracket, a bearing seat mounting platform is arranged on the inner side of the motor bracket at the position of the reinforcing bottom plate 4, the inner cavity of the motor bracket between the motor mounting flange 3 and the bearing seat mounting platform is an assembly cavity 1, the inner cavity of the motor bracket between the pump casing mounting flange 10 and the bearing seat mounting platform is a shock-absorbing cavity 2, the outer wall of the assembly cavity 1 is annularly provided with four rectangular assembly openings 5, and bearing seat fixing holes 9 are arranged at both ends of the side of the reinforcing bottom plate 4.

[0021] Preferably, a reinforcing rib is provided on the outer side of the pump casing mounting flange 10 and connected to the reinforcing bottom plate 4 .

[0022] Preferably, the bearing seat mounting platform is a stepped annular mounting platform, and a bearing seat mounting hole 7 is provided in a ring shape at the top of the bearing seat mounting platform.

[0023] Preferably, the bearing seat fixing hole 9 is a through hole that penetrates the reinforcing base plate 4 and the bearing seat mounting platform, and the bearing seat fixing holes 9 on both sides of the reinforcing base plate 4 are coaxial.

[0024] Preferably, the number of the reinforcing ribs is eight, and the reinforcing ribs are arranged in a ring shape on the outer side of the pump casing mounting flange 10 .

[0025] Preferably, a spring shock absorbing device is provided in the shock absorbing chamber 2.

[0026] like Figure 3 As shown, the main shaft bearing seat is installed on the bearing seat mounting hole 7 inside the motor bracket, the bolt pin is inserted into the bearing seat fixing hole 9 and the main shaft bearing seat is fixed at the same time, the pump casing is installed on the pump casing mounting flange 10, a spring shock absorber is provided in the shock absorbing cavity 2, the motor is installed on the motor mounting flange 3, the pump shaft passes through the spring shock absorber and the main shaft bearing seat, and the pump shaft and the motor main shaft are connected through the assembly opening 5.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor bracket for an ultra-high-speed water pump, Features: A main shaft bearing seat is provided in the middle of the interior of the motor bracket, the motor bracket is cylindrical, and a pump casing mounting flange and a motor mounting flange are provided at the upper and lower ends of the motor bracket respectively, a rectangular reinforcing base plate is provided in the middle of the outer side of the motor bracket, a bearing seat mounting platform is provided on the inner side of the motor bracket at the position of the reinforcing base plate, the inner cavity of the motor bracket between the motor mounting flange and the bearing seat mounting platform is an assembly cavity, the inner cavity of the motor bracket between the pump casing mounting flange and the bearing seat mounting platform is a shock-absorbing cavity, the outer wall of the assembly cavity is provided with four rectangular assembly openings in a ring shape, and bearing seat fixing holes are provided at both ends of the side surfaces of the reinforcing base plate.

2. The motor bracket for an ultra-high-speed water pump according to claim 1, Features: The outer side of the pump casing mounting flange is provided with reinforcing ribs connected to the reinforcing bottom plate.

3. The motor bracket for an ultra-high-speed water pump according to claim 2, Features: The number of the reinforcing ribs is eight, and the reinforcing ribs are arranged in a ring shape on the outer side of the pump casing mounting flange.

4. The motor bracket for an ultra-high-speed water pump according to claim 1, Features: The bearing seat mounting platform is a stepped annular mounting platform, and a bearing seat mounting hole is arranged in an annular shape on the top of the bearing seat mounting platform.

5. The motor bracket for an ultra-high-speed water pump according to claim 1, Features: The bearing seat fixing hole is a through hole that penetrates the reinforced bottom plate and the bearing seat mounting platform, and the bearing seat fixing holes on both sides of the reinforced bottom plate are coaxial.

6. The motor bracket for an ultra-high-speed water pump according to claim 1, Features: A spring shock absorbing device is arranged in the shock absorbing cavity.

7. The motor bracket for an ultra-high-speed water pump according to claim 1, Features: The upper and lower ends of the motor bracket are connected to the motor and the pump casing respectively through the motor mounting flange and the pump casing mounting flange.

Citation Information

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