CN213176085U - Single-stage vertical cantilever centrifugal submerged pump - Google Patents
Single-stage vertical cantilever centrifugal submerged pump Download PDFInfo
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- CN213176085U CN213176085U CN202021435520.2U CN202021435520U CN213176085U CN 213176085 U CN213176085 U CN 213176085U CN 202021435520 U CN202021435520 U CN 202021435520U CN 213176085 U CN213176085 U CN 213176085U
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- material blocking
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Abstract
The utility model discloses a single-stage vertical cantilever centrifugal submerged pump, which comprises a motor arranged above a motor base, a pump shaft connected with a motor shaft through a coupling, and a pump body arranged at the lower end of the pump shaft; the motor is characterized in that a bearing seat is arranged between the motor base and the bottom plate, bearing boxes are arranged at two ends of the bearing seat, and bearings are arranged in the bearing boxes; a liquid throwing ring is arranged below a bearing at the lower end of the bearing seat and is fixed on the pump shaft through a fastening screw; a material blocking device is arranged below the liquid throwing ring and is fixedly arranged on the inner surface of the connecting pipe; the suction inlet below the pump body is provided with a filtering device, the liquid outlet of the pump body is connected with a liquid outlet pipe, and the upper end of the liquid outlet pipe penetrates through the bottom plate and is arranged above the bottom plate. The novel pump has the advantages of simple structure, good stability and good use effect, greatly reduces the frequency of shutdown maintenance, improves the working efficiency of the pump, and prolongs the service life of the pump.
Description
Technical Field
The utility model relates to a field of submerged pump especially relates to a vertical cantilever centrifugation submerged pump of single-stage.
Background
The single-stage vertical cantilever centrifugal submerged pump has bearing not contacted with liquid, is suitable for conveying solid particles with particle size less than 0.2mm and corrosive liquid, and is used in petroleum, chemical, fertilizer, paper making, steel plant, water plant and other industrial departments. In the prior art, a medium enters the bearing, so that the service life of the bearing is influenced, and the use cost is increased; in addition, the submerged pump in the prior art can cause foreign particles to enter the pump body when working, and the pump body is blocked due to long-time running, so that the normal running of the pump body is influenced, the maintenance frequency is increased, the working efficiency of the pump is influenced, and the service life of the pump can be reduced.
Disclosure of Invention
The utility model aims at providing a vertical cantilever centrifugation submerged pump of single-stage, simple structure, stability is good, excellent in use effect, long service life has solved above technical problem.
In order to realize the technical purpose, reach foretell technical requirement, the utility model discloses the technical scheme who adopts is: the single-stage vertical cantilever centrifugal submerged pump comprises a motor arranged above a motor base, a pump shaft connected with a motor shaft through a coupling and a pump body arranged at the lower end of the pump shaft; the method is characterized in that: a bearing seat is arranged between the motor base and the bottom plate, bearing boxes are arranged at two ends of the bearing seat, and bearings are arranged in the bearing boxes; a liquid throwing ring is arranged below a bearing at the lower end of the bearing seat and is fixed on the pump shaft through a fastening screw; a material blocking device is arranged below the liquid throwing ring and is fixedly arranged on the inner surface of the connecting pipe; the suction inlet below the pump body is provided with a filtering device, the liquid outlet of the pump body is connected with a liquid outlet pipe, and the upper end of the liquid outlet pipe penetrates through the bottom plate and is arranged above the bottom plate.
Preferably: the diameter of the liquid throwing ring is smaller than the inner diameter of the connecting pipe.
Preferably: the material blocking device comprises a material blocking ring, the middle part of the material blocking ring is in a hollow conical shape, and the periphery of the material blocking ring is in a horizontal annular shape; the material blocking device further comprises a liquid discharge hopper arranged above the material blocking ring, and the liquid discharge hopper is arranged to be funnel-shaped.
Preferably: the material blocking ring and the liquid discharge hopper are integrally formed.
Preferably: the filter device comprises a filter screen a and a filter screen b which are symmetrically arranged, the bottoms of the filter screen a and the filter screen b are connected through a rotating shaft, the joint of the filter screen a and the filter screen b except the bottom is connected through a connecting hasp, and the upper parts of the filter screen a and the filter screen b are matched and locked with the neck of the front cover of the pump body.
The utility model has the advantages that; the utility model provides a vertical cantilever centrifugation submerged pump of single-stage, compares with traditional structure: a liquid throwing ring is arranged below a bearing at the lower end of the bearing block and is fixed on the pump shaft through a fastening screw; the medium is effectively prevented from entering the bearing to influence the stable operation of the bearing; a material blocking device is arranged below the liquid throwing ring and is fixedly arranged on the inner surface of the connecting pipe; the medium rushing into the connecting pipe is blocked to the maximum extent; the utility model discloses a pump, including filter equipment, filter screen body, feed liquor area, the suction inlet neck that sets up to be connected for with the sunction inlet neck of pump, filter equipment's filter screen body sets up to the arc, has increased feed liquor area, and this uses novel simple structure, and stability is good, excellent in use effect, greatly reduced the frequency of shutting down the maintenance, improved the work efficiency of pump, prolonged the life of pump.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the material blocking device of the present invention;
FIG. 3 is a schematic structural view of the filtering apparatus of the present invention when opened;
in the figure: 1. a motor; 2. a motor base; 3. a coupling; 4. a motor shaft; 5. a pump shaft; 6. a pump body; 7. a base plate; 8. a bearing seat; 9. a bearing cartridge; 10. a bearing; 11. a liquid throwing ring; 12. a material blocking device; 121. a material blocking ring; 122. a liquid discharge hopper; 13. taking over a pipe; 14. a filtration device; 141. a filter screen a; 142. a filter screen b; 143. a rotating shaft; 144. connecting a hasp; 15. a liquid outlet pipe; 16. and a pump body.
Detailed Description
In order to make the object, technical solution and beneficial technical effects of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments;
in the drawings: the single-stage vertical cantilever centrifugal submerged pump comprises a motor 1 arranged above a motor base 2, a pump shaft 5 connected with a motor shaft 4 through a coupler 3, and a pump body 6 arranged at the lower end of the pump shaft 5; the motor base is characterized in that a bearing seat 8 is arranged between the motor base 2 and the bottom plate 7, bearing boxes 9 are arranged at two ends of the bearing seat 8, and the specifications of the bearing boxes and the bearing pressing covers are the same, so that the bearing boxes and the bearing pressing covers are convenient to exchange, and the cost is saved; a bearing 10 is arranged in the bearing box 9, and the bearing is lubricated by lithium-based grease and runs reliably; a liquid throwing ring 11 is arranged below a bearing at the lower end of the bearing block 8, and the liquid throwing ring 11 is fixed on the pump shaft 5 through a fastening screw; the medium is effectively prevented from entering the bearing to influence the stable operation of the bearing; a material blocking device 12 is arranged below the liquid throwing ring 11, and the material blocking device 12 is fixedly arranged on the inner surface of the connecting pipe 13; the medium rushing into the connecting pipe is blocked to the maximum extent; a filter 14 is arranged at the suction inlet below the pump body 6, so that large-particle impurities can be filtered, and the impurities are prevented from entering the pump body to cause blockage; the liquid outlet of the pump body 6 is connected with the liquid outlet pipe 15, the upper end of the liquid outlet pipe 15 penetrates through the bottom plate 7 and is arranged above the bottom plate 7, the structure is stable, and the end part of the liquid outlet is provided with a halving flange.
The diameter of the liquid throwing ring 11 is smaller than the inner diameter of the connecting pipe 13, the liquid throwing ring rotates along with the pump shaft, the medium is thrown to the periphery, and the medium is prevented from continuously surging and entering the bearing.
The material blocking device 12 comprises a material blocking ring 121, the middle part of the material blocking ring 121 is in a hollow conical shape, and the periphery of the material blocking ring 121 is in a horizontal ring shape; the liquid blocking effect is good, and the hollow conical design ensures that the liquid flow passing through the central hole of the material blocking ring is very small, so that the liquid amount entering between the material blocking ring and the liquid throwing ring is greatly reduced; the material blocking device further comprises a liquid discharge hopper 122 arranged above the material blocking ring 121, the liquid discharge hopper 122 is arranged in a funnel shape, and the liquid discharge hopper is matched with the liquid throwing ring, so that thrown liquid is gathered towards the middle along the liquid discharge hopper and falls down from the central hole quickly. The material blocking ring 121 and the liquid discharge hopper 122 are integrally formed, so that the structure stability is good, and the service life is long.
The filtering device 14 comprises a filter screen a141 and a filter screen b142 which are symmetrically arranged, the bottoms of the filter screen a141 and the filter screen b142 are connected through a rotating shaft 143, and the joints of the filter screen a141 and the filter screen b142 except the bottoms are connected through a connecting buckle 144, so that the connection is convenient, and the filter screens are convenient to detach and clean; the upper parts of the filter screens a141 and b142 are matched and locked with the neck part of the pump body front cover 16, so that the filtering area of the filtering device is increased, and the influence on the suction of media due to the blockage of filter screen holes is reduced, thereby influencing the stable operation of the pump.
The utility model discloses a concrete implementation: the material blocking device is fixedly connected with the connecting pipe through welding, a gap is reserved between an inner hole of the material blocking device and the pump shaft, normal operation of the pump shaft is ensured, and the drainage efficiency of the material blocking device is improved due to the arrangement of the drainage hopper; the upper end of the filtering device is matched and connected with the neck of the suction inlet of the pump, and the filter screen body of the filtering device is arc-shaped, so that the liquid inlet area is increased, and the normal work of the pump cannot be influenced even if a few filter screen holes are blocked by impurities; the combination of the filter screen a and the filter screen b is reliably connected and is convenient to disassemble and clean by installing fastening bolts on the connecting hasps; the utility model discloses simple structure, stability is good, excellent in use effect, greatly reduced the frequency of shutting down the maintenance, improved the work efficiency of pump, prolonged the life of pump.
The foregoing examples are given for the purpose of illustrating the present invention in a clear and non-restrictive manner, and it will be apparent to those skilled in the art that variations and modifications of the present invention may be made in other variations and modifications based on the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments, and all such variations and modifications as are obvious and desirable in the art are within the scope of the present invention.
Claims (5)
1. The single-stage vertical cantilever centrifugal submerged pump comprises a motor (1) arranged above a motor base (2), a pump shaft (5) connected with a motor shaft (4) through a coupler (3), and a pump body (6) arranged at the lower end of the pump shaft (5); the method is characterized in that: a bearing seat (8) is arranged between the motor base (2) and the bottom plate (7), bearing boxes (9) are arranged at two ends of the bearing seat (8), and bearings (10) are arranged in the bearing boxes (9); a liquid throwing ring (11) is arranged below a bearing at the lower end of the bearing seat (8), and the liquid throwing ring (11) is fixed on the pump shaft (5) through a fastening screw; a material blocking device (12) is arranged below the liquid throwing ring (11), and the material blocking device (12) is fixedly arranged on the inner surface of the connecting pipe (13); a suction inlet below the pump body (6) is provided with a filtering device (14), a liquid outlet of the pump body (6) is connected with a liquid outlet pipe (15), and the upper end of the liquid outlet pipe (15) penetrates through the bottom plate (7) and is arranged above the bottom plate (7).
2. The single stage vertical cantilever centrifugal submerged pump of claim 1, wherein: the diameter of the liquid throwing ring (11) is smaller than the inner diameter of the connecting pipe (13).
3. The single stage vertical cantilever centrifugal submerged pump of claim 1, wherein: the material blocking device (12) comprises a material blocking ring (121), the middle part of the material blocking ring (121) is in a hollow conical shape, and the periphery of the material blocking ring is in a horizontal annular shape; the material blocking device further comprises a liquid discharge hopper (122) arranged above the material blocking ring (121), and the liquid discharge hopper (122) is arranged in a funnel shape.
4. The single stage vertical cantilever centrifugal submerged pump of claim 3, wherein: the material blocking ring (121) and the liquid discharging hopper (122) are integrally formed.
5. The single stage vertical cantilever centrifugal submerged pump of claim 1, wherein: the filter device (14) comprises a filter screen a (141) and a filter screen b (142) which are symmetrically arranged, the bottoms of the filter screen a (141) and the filter screen b (142) are connected through a rotating shaft (143), the connection parts of the filter screen a (141) and the filter screen b (142) except the bottoms are connected through a connection buckle (144), and the upper parts of the filter screen a (141) and the filter screen b (142) are matched and locked with the neck of the pump body front cover (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435520.2U CN213176085U (en) | 2020-07-21 | 2020-07-21 | Single-stage vertical cantilever centrifugal submerged pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021435520.2U CN213176085U (en) | 2020-07-21 | 2020-07-21 | Single-stage vertical cantilever centrifugal submerged pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176085U true CN213176085U (en) | 2021-05-11 |
Family
ID=75795298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021435520.2U Active CN213176085U (en) | 2020-07-21 | 2020-07-21 | Single-stage vertical cantilever centrifugal submerged pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176085U (en) |
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2020
- 2020-07-21 CN CN202021435520.2U patent/CN213176085U/en active Active
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