CN209818319U - Environment-friendly maintenance-free compact vertical centrifugal pump - Google Patents
Environment-friendly maintenance-free compact vertical centrifugal pump Download PDFInfo
- Publication number
- CN209818319U CN209818319U CN201822095027.XU CN201822095027U CN209818319U CN 209818319 U CN209818319 U CN 209818319U CN 201822095027 U CN201822095027 U CN 201822095027U CN 209818319 U CN209818319 U CN 209818319U
- Authority
- CN
- China
- Prior art keywords
- pump
- self
- shaft
- lubricating bearing
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides an environment-friendly maintenance-free compact vertical centrifugal pump, which comprises a pump body, a pump shaft, an impeller, a pump cover, a first self-lubricating bearing, a shaft sleeve and a second self-lubricating bearing; the impeller is arranged between the pump body and the pump cover and is fastened at the tail end of the pump shaft; the outer side of the lower part of the pump shaft is provided with a shaft sleeve, and the first self-lubricating bearing is fixed on the pump cover and forms clearance opposite grinding with the shaft sleeve; the second self-lubricating bearing is arranged on the inner side of the pump body, and the pump shaft is arranged on the second self-lubricating bearing; an intermediate seal sleeve is arranged on the pump cover; and a mechanical seal is arranged at the joint of the pump shaft and the upper end of the pump body. The utility model is convenient to maintain, not easy to wear and high in reliability; the sealing, cooling and lubricating effects are good, and the problems of difficult maintenance, sealing and heat dissipation are effectively solved. Meanwhile, the service life of the centrifugal pump is greatly prolonged, and the centrifugal pump is an ideal product with safety, energy conservation and environmental protection.
Description
Technical Field
The utility model relates to the technical field of machinery, concretely relates to environmental protection non-maintaining compact vertical centrifugal pump.
Background
Many current vertical centrifugal pumps can cause the phenomenon of lack of oil because upper end rigidity antifriction bearing is not in time maintained to cause multiple trouble, include: 1. causing the abrasion of the bearing and causing the vibration and the over current of the water pump; 2. causing the upper end of the pump to be damaged and causing water leakage. This directly affects the proper operation of the centrifugal pump, which requires frequent maintenance. However, the traditional centrifugal pump has high maintenance cost and needs to be attended by people; and the traditional centrifugal pump has a complex structure and needs professional maintenance once a fault occurs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiency of the prior art and providing an environmental protection maintenance-free compact vertical centrifugal pump.
The utility model aims at realizing through the following technical scheme:
an environment-friendly maintenance-free compact vertical centrifugal pump comprises a pump body, a pump shaft, an impeller, a pump cover, a first self-lubricating bearing, a shaft sleeve and a second self-lubricating bearing;
the impeller is arranged between the pump body and the pump cover and is fastened at the tail end of the pump shaft; the outer side of the lower part of the pump shaft is provided with a shaft sleeve, and the first self-lubricating bearing is fixed on the pump cover and forms clearance opposite grinding with the shaft sleeve; the second self-lubricating bearing is arranged on the inner side of the pump body, and the pump shaft is arranged on the second self-lubricating bearing;
the pump cover is provided with a middle sealing sleeve, and the middle sealing sleeve is positioned on the outer side of the shaft sleeve and is spaced from the shaft sleeve; and a mechanical seal is arranged at the joint of the pump shaft and the upper end of the pump body.
Furthermore, the self-lubricating bearing is located between the pump cover and the shaft sleeve.
Further, the shaft sleeve is located between the impeller and the second self-lubricating bearing.
And further, an inlet joint is arranged at the outlet end of the pump body and is connected with a connecting pipe, a control valve is arranged on the connecting pipe, and the other end of the connecting pipe is communicated with a mechanical seal cavity in the pump body.
And further, sealing rings are arranged on the contact surfaces of the middle sealing sleeve, the pump body and the pump cover.
Further, the pump shaft is connected with a motor through a coupling.
To sum up, owing to adopted above-mentioned technical scheme, the utility model discloses compare with prior art, have following advantage:
the utility model discloses a self-lubricating bearing, the maintenance of being convenient for, difficult wearing and tearing, the reliability is high. The utility model discloses sealed, cooling, lubricated effectual, effectively solved maintenance, sealed, the difficult scheduling problem of heat dissipation. The utility model discloses in easy to maintain maintenance, guaranteed the safe and reliable operation of centrifugal pump, improved centrifugal pump life greatly, be safe, energy-conserving, the ideal product of environmental protection.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of the labeling: 1. a pump body; 2. a pump shaft; 3. an impeller; 4. a pump cover; 5. a first self-lubricating bearing; 6. a shaft sleeve; 7. a second self-lubricating bearing; 8. a middle seal sleeve; 9. mechanical sealing; 10. an inlet fitting; 11. a connecting pipe; 12. a control valve; 13. a coupling; 14. a motor; 15. and (4) mechanically sealing the cavity.
Detailed Description
The following describes the present invention in further detail with reference to the attached drawings.
Referring to fig. 1, the present invention provides an environmental protection maintenance-free compact vertical centrifugal pump, which includes a pump body 1, a pump shaft 2, an impeller 3, a pump cover 4, a first self-lubricating bearing 5, a shaft sleeve 6, and a second self-lubricating bearing 7.
One end of the pump shaft 2 is connected with a motor 14 through a coupling 13, and the other end is fixed with an impeller 3. The impeller 3 is arranged between the pump body 1 and the pump cover 4 and is fastened on the tail end of the pump shaft 2, and the pump shaft 2 drives the impeller 3 to rotate.
A shaft sleeve 6 is arranged on the outer side of the lower portion of the pump shaft 2, a first self-lubricating bearing 5 is fixed to the pump cover 4 through screws, and a second self-lubricating bearing 7 is fixed to the inner side of the pump body 1 through screws. The pump shaft 2 penetrates through the first self-lubricating bearing 5 and the second self-lubricating bearing 7, and the first self-lubricating bearing 5 is located between the pump cover and the shaft sleeve and forms clearance grinding with the shaft sleeve 6. The shaft sleeve 6 is positioned between the impeller 3 and the second self-lubricating bearing 7. The first self-lubricating bearing 5 has a radial function, and the second self-lubricating bearing 7 has a radial function and an axial function.
An intermediate sealing sleeve 8 is arranged on the pump cover 4, and the intermediate sealing sleeve 8 is positioned on the outer side of the shaft sleeve 6 and is spaced from the shaft sleeve 6. The pump shaft 2 is provided with a mechanical seal 9 at the joint with the upper end of the pump body 1, a moving ring of the mechanical seal 9 is fixed on the pump shaft, and a static ring is fixed at the top of the mechanical seal cavity 15. And sealing rings are arranged on the contact surfaces of the intermediate sealing sleeve 8, the pump body 1 and the pump cover 4, so that the upper part and the lower part of the intermediate sealing sleeve 8 can be effectively sealed.
An inlet joint 10 is arranged at the outlet end of the pump body 1, the inlet joint 10 is connected with a connecting pipe 11, a control valve 12 is arranged on the connecting pipe 11, the other end of the connecting pipe 11 is communicated with a mechanical seal cavity 15, and the mechanical seal cavity 15 is positioned on the outer side of the mechanical seal 9.
And cooling water enters the connecting pipe 11 from the inlet joint 10 to cool the mechanical seal 9 and lubricate and cool the self-lubricating bearing II 7 and the self-lubricating bearing I5. Specifically, a first water through groove is formed in a friction joint surface of a second self-lubricating bearing 7 and the pump shaft 2, a second water through groove is formed in a friction joint surface of the first self-lubricating bearing 5 and the shaft sleeve 6, and the mechanical seal cavity 15, the first water through groove and the second water through groove are communicated; the cooling water enters the mechanical seal cavity 15 from the connecting pipe 11, flows through the first water passing groove and the second water passing groove from the mechanical seal cavity 15, and finally flows into the circulating cavity in the pump body 1.
When the environment-friendly maintenance-free compact vertical centrifugal pump is assembled, the gap between the lower end retainer ring of the mechanical seal 9 and the upper end of the self-lubricating bearing II 7 is required to be ensured to be 2mm, and the pump shaft 2 is prevented from moving downwards; and then, a gap of 2mm is ensured between the lower end of the second self-lubricating bearing 7 and the upper end of the shaft sleeve 6, so that the pump shaft 2 is prevented from moving upwards in operation.
The utility model discloses a self-lubricating bearing, the maintenance of being convenient for, difficult wearing and tearing, the reliability is high. The utility model discloses sealed, cooling, lubricated effectual, effectively solved maintenance, sealed, the difficult scheduling problem of heat dissipation. The utility model discloses in easy to maintain maintenance, guaranteed the safe and reliable operation of centrifugal pump, improved centrifugal pump life greatly, be safe, energy-conserving, the ideal product of environmental protection.
The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, i.e. all equivalent changes or modifications made according to the spirit disclosed by the present invention still fall within the scope of the present invention.
Claims (1)
1. An environment-friendly maintenance-free compact vertical centrifugal pump is characterized by comprising a pump body, a pump shaft, an impeller, a pump cover, a first self-lubricating bearing, a shaft sleeve and a second self-lubricating bearing;
the impeller is arranged between the pump body and the pump cover and is fastened at the tail end of the pump shaft; the outer side of the lower part of the pump shaft is provided with a shaft sleeve, and the first self-lubricating bearing is fixed on the pump cover and forms clearance opposite grinding with the shaft sleeve; the second self-lubricating bearing is arranged on the inner side of the pump body, and the pump shaft is arranged on the second self-lubricating bearing;
the pump cover is provided with a middle sealing sleeve, and the middle sealing sleeve is positioned on the outer side of the shaft sleeve and is spaced from the shaft sleeve; a mechanical seal is arranged at the joint of the pump shaft and the upper end of the pump body;
the self-lubricating bearing is positioned between the pump cover and the shaft sleeve; the shaft sleeve is positioned between the impeller and the second self-lubricating bearing; an inlet joint is arranged at the outlet end of the pump body and is connected with a connecting pipe, a control valve is arranged on the connecting pipe, and the other end of the connecting pipe is communicated with a machine seal cavity in the pump body; sealing rings are arranged on the contact surfaces of the middle sealing sleeve, the pump body and the pump cover; the pump shaft is connected with a motor through a coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095027.XU CN209818319U (en) | 2018-12-13 | 2018-12-13 | Environment-friendly maintenance-free compact vertical centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822095027.XU CN209818319U (en) | 2018-12-13 | 2018-12-13 | Environment-friendly maintenance-free compact vertical centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818319U true CN209818319U (en) | 2019-12-20 |
Family
ID=68869305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822095027.XU Active CN209818319U (en) | 2018-12-13 | 2018-12-13 | Environment-friendly maintenance-free compact vertical centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818319U (en) |
-
2018
- 2018-12-13 CN CN201822095027.XU patent/CN209818319U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103752864B (en) | Large-power High-Speed electricity main shaft | |
| CN105953000A (en) | Medium-pressure high-speed rotating connector | |
| CN202171002U (en) | Conical surface mechanical sealing device | |
| CN209818319U (en) | Environment-friendly maintenance-free compact vertical centrifugal pump | |
| CN212225583U (en) | Mechanical seal mouth ring for lubricating grease of centrifugal pump | |
| CN211599285U (en) | Flange linear bearing | |
| CN205136017U (en) | A self -lubricating double seal structure for lobe pump drive end | |
| CN204003486U (en) | A kind of TC Novel series slag stock pump | |
| CN117167316A (en) | Centrifugal pump mechanical seal structure | |
| CN206410150U (en) | Submerged slag conveyor external bearings Mechanical Sealed Type inner guide pulley device | |
| CN208982506U (en) | Integrated machine seals bearing | |
| CN203532749U (en) | High-speed and high-pressure mechanical sealing device | |
| CN204647323U (en) | A kind of liquid film non-contacting sealing structure | |
| CN203442143U (en) | Outwards-extending shaft end combined seal | |
| CN208831313U (en) | A kind of water pump of outboard bearing | |
| CN102401014A (en) | Bearing box | |
| CN210423712U (en) | Split dust-sealing type spiral mechanical sealing device | |
| CN111322269A (en) | Mechanical seal mouth ring for lubricating grease of centrifugal pump | |
| CN108869553B (en) | Integrated mechanical seal bearing | |
| CN209354518U (en) | A kind of sliding bearing | |
| CN203285716U (en) | Dynamic bearing cover for submersible sewage pump | |
| CN109538492A (en) | The non-maintaining compact vertical centrifugal pump of environmental protection | |
| CN208417540U (en) | A kind of sealing device for mixer | |
| CN104074770A (en) | Novel TC series slurry pump | |
| CN212804228U (en) | Double-seal ring waterproof sealing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |