CN201650747U - Vertical single-stage centrifugal water pump - Google Patents
Vertical single-stage centrifugal water pump Download PDFInfo
- Publication number
- CN201650747U CN201650747U CN2010201947129U CN201020194712U CN201650747U CN 201650747 U CN201650747 U CN 201650747U CN 2010201947129 U CN2010201947129 U CN 2010201947129U CN 201020194712 U CN201020194712 U CN 201020194712U CN 201650747 U CN201650747 U CN 201650747U
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- pump
- stage centrifugal
- centrifugal water
- vertical single
- impeller
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Abstract
The utility model discloses a vertical single-stage centrifugal water pump, and relates to the field of water pumps. The vertical single-stage centrifugal water pump comprises a pump body, a pump cover and an impeller arranged in the pump body and the pump cover, wherein the vertical single-stage centrifugal water pump also comprises a pump shaft connected in the pump body and a coupling connected with the pump shaft and a motor output shaft; the coupling is an intermediate coupling; the impeller is connected with one end of the pump shaft; the middle part of the pump shaft is provided with a bearing body for supporting the pump shaft; a pair of centripetal rolling bearings is arranged in the bearing body; one end of the bearing body away from the impeller is connected with a bearing cover; the pump shaft is positioned in the pump body and also provided with a mechanical seal; and the vertical single-stage centrifugal water pump is also provided with a mounting device which can be mounted randomly. The vertical single-stage centrifugal water pump with the structure has the advantages of random installation, long service life, good sealing property, simple structure, easy popularization and application and the like.
Description
[technical field]
The utility model relates to centrifugal water pump, especially for the one-stage centrifugal water pump of seawater or fresh water cooling, bilge ballast and other general drainings.
[background technique]
The present used vertical single stage centrifugal water pump of industry, its base plate and the pump housing are cast as one, and only are suitable for a kind of mounting type, and its base plate area of contact is smaller in addition, generally needs the adapted connecting plate to be connected with the basis.Moreover the footing of general vertical single stage centrifugal water pump is arranged on the bottom of the pump housing, so the vertical single stage centrifugal water pump can only be installed on the base of the bilge.
Therefore, be necessary to invent a kind of novel vertical single stage centrifugal water pump, to overcome above-mentioned defective.
[model utility content]
The purpose of this utility model provides and a kind ofly can arbitrarily install, the vertical single stage centrifugal water pump of long service life.
For achieving the above object, the technical solution of the utility model is: a kind of vertical single stage centrifugal water pump, comprise the pump housing, pump cover and be arranged at the pump housing and pump cover in impeller, the vertical single stage centrifugal water pump also comprises the pump shaft that is connected in the pump housing, the coupling that connects pump shaft and motor output shaft, this coupling is an intermediate shaft coupling, described impeller is connected in an end of pump shaft, the middle part of pump shaft is provided with the bearing support that supports pump shaft, be provided with a pair of radial antifriction bearing in the bearing support, bearing support is connected with bearing cap away from impeller one end, pump shaft is positioned at the pump housing and also is provided with mechanical seal, and described vertical single stage centrifugal water pump also is provided with the erecting device that can arbitrarily install.
The wherein said pump housing is the subdivision scroll casing type pump housing radially.
Wherein said coupling is provided with coupler protective casing outward.
Wherein said erecting device is for being connected in the removable footing in pump housing bottom.
Wherein said coupler protective casing bottom is provided with the motor cabinet that is connected with motor, and described erecting device is to be arranged at mounting pipe and the clamping plate in order to install on the motor cabinet.
Be provided with casing ring and impeller ring between the wherein said pump housing and impeller.
Be provided with the O V-shaped ring between the wherein said pump housing and pump cover.
Wherein said pump shaft is connected with V-shaped ring in the bearing cap outside.
Wherein said impeller is double-entry impeller or single suction impeller.
Because adopt said structure, the vertical single stage centrifugal water pump of the utility model has following beneficial effect:
1. can arbitrarily install, long service life
The vertical single stage centrifugal water pump of the utility model is owing to be provided with the erecting device that can arbitrarily install, can be installed on the base of the bilge, also can be installed on bulkhead or other positions, the convenient use, because coupling of the present utility model is an intermediate shaft coupling, and the middle part of pump shaft is provided with the bearing support that supports pump shaft, can effectively increase the working life of pump.
2. good airproof performance
The vertical single stage centrifugal water pump of the utility model also is provided with mechanical seal owing to pump shaft is positioned at the pump housing, between the pump housing and impeller, be provided with casing ring and impeller ring, between the pump housing and pump cover, be provided with the O V-shaped ring, pump shaft is connected with V-shaped ring in the bearing cap outside, so the overall tightness of pump is better.
3. simple in structure, be easy to apply
The vertical single stage centrifugal water pump of the utility model is arranged at Sealing therebetween owing to only comprise the pump housing, pump cover, impeller, coupling and some, need not increase baroque component, and overall structure is simple, be easy to apply.
[description of drawings]
Fig. 1 RSV type is the structural representation of the utility model vertical single stage centrifugal water pump.
The element numbers explanation:
The 102-pump housing, 161-pump cover, 233-impeller, the 211-pump shaft, 840-coupling, 350-bearing support, the 360-bearing cap, 433-mechanical seal, 321-radial antifriction bearing, the 182-footing, the protection of 681-coupling, 341-motor cabinet, the 710-mounting pipe, 575-clamping plate, 502-casing ring, the 503-impeller ring, 412-O V-shaped ring, 411-V V-shaped ring.
[embodiment]
Below in conjunction with drawings and Examples the utility model vertical single stage centrifugal water pump is further described.
Please refer to shown in Figure 1, the utility model vertical single stage centrifugal water pump comprises the pump housing 102, pump cover 161 and is arranged at impeller 233 in the pump housing 102 and the pump cover 161, and the vertical single stage centrifugal water pump also comprises the pump shaft 211 that is connected in the pump housing, connect the coupling of pump shaft 211 and motor output shaft.The pump housing 102 is the subdivision scroll casing type pump housing radially, need not take apart to import and export pipeline or transmission device just can be extracted whole rotor out from the pump housing.Coupling 840 is an intermediate shaft coupling.Described impeller 233 is connected in an end of pump shaft, and impeller 233 is double-entry impeller or single suction impeller, and the axial force of single-stage impeller obtains balance by bore equalizing orifice on impeller hub.The non-equilibrium property of residue that double-entry impeller causes because of manufacturing tolerances.The middle part of pump shaft 211 is provided with the bearing support 350 that supports pump shaft, be provided with a pair of radial antifriction bearing 321 in the bearing support 350, bearing support is connected with bearing cap 360 away from impeller one end, pump shaft 211 is positioned at the pump housing and also is provided with mechanical seal 433, and described vertical single stage centrifugal water pump also is provided with the erecting device that can arbitrarily install.Axial force is come balance by radial bearing (radial antifriction bearing 321).The axle envelope of described pump shaft 211 adopts the non-equilibrium mechanical seal of single end face.
The described coupling 840 outer coupler protective casings 681 that are provided with.Erecting device is for being connected in the removable footing 182 in pump housing bottom.The coupler protective casing bottom is provided with the motor cabinet 341 that is connected with motor, and erecting device is to be arranged at mounting pipe 710 and the clamping plate 575 in order to install on the motor cabinet.233 in the pump housing 102 and impeller are provided with casing ring 502 and impeller ring 503, and casing ring and impeller ring can be changed.Be provided with O V-shaped ring 412 between the pump housing and pump cover.Described pump shaft is connected with V-shaped ring 411 in the bearing cap outside.
The pump housing of the utility model vertical single stage centrifugal water pump can bear 1.5 times the rated pressure or the waterpower experiment of 1.2 times of deadhead pressures.
Claims (9)
1. vertical single stage centrifugal water pump, comprise the pump housing, pump cover and be arranged at the pump housing and pump cover in impeller, it is characterized in that, described vertical single stage centrifugal water pump also comprises the pump shaft that is connected in the pump housing, the coupling that connects pump shaft and motor output shaft, this coupling is an intermediate shaft coupling, described impeller is connected in an end of pump shaft, the middle part of pump shaft is provided with the bearing support that supports pump shaft, be provided with a pair of radial antifriction bearing in this bearing support, bearing support is connected with bearing cap away from impeller one end, pump shaft is positioned at the pump housing and also is provided with mechanical seal, and described vertical single stage centrifugal water pump also is provided with the erecting device that can arbitrarily install.
2. vertical single stage centrifugal water pump as claimed in claim 1 is characterized in that: the described pump housing is the subdivision scroll casing type pump housing radially.
3. vertical single stage centrifugal water pump as claimed in claim 1 is characterized in that: described coupling is provided with coupler protective casing outward.
4. vertical single stage centrifugal water pump as claimed in claim 3 is characterized in that: described erecting device is for being connected in the removable footing in pump housing bottom.
5. vertical single stage centrifugal water pump as claimed in claim 3 is characterized in that: described coupler protective casing bottom is provided with the motor cabinet that is connected with motor, and described erecting device is to be arranged at mounting pipe and the clamping plate in order to install on the motor cabinet.
6. as claim 4 or 5 described vertical single stage centrifugal water pumps, it is characterized in that: be provided with casing ring and impeller ring between the described pump housing and impeller.
7. as claim 4 or 5 described vertical single stage centrifugal water pumps, it is characterized in that: be provided with the O V-shaped ring between the described pump housing and pump cover.
8. as claim 4 or 5 described vertical single stage centrifugal water pumps, it is characterized in that: described pump shaft is connected with V-shaped ring in the bearing cap outside.
9. as claim 4 or 5 described vertical single stage centrifugal water pumps, it is characterized in that: described impeller is double-entry impeller or single suction impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201947129U CN201650747U (en) | 2010-05-14 | 2010-05-14 | Vertical single-stage centrifugal water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201947129U CN201650747U (en) | 2010-05-14 | 2010-05-14 | Vertical single-stage centrifugal water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650747U true CN201650747U (en) | 2010-11-24 |
Family
ID=43115980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201947129U Expired - Fee Related CN201650747U (en) | 2010-05-14 | 2010-05-14 | Vertical single-stage centrifugal water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650747U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562609A (en) * | 2012-02-15 | 2012-07-11 | 湖南湘电长沙水泵有限公司 | Nuclear three-stage waste heat discharge pump for AP1000 nuclear power station |
| CN105715560A (en) * | 2016-03-28 | 2016-06-29 | 武汉船用机械有限责任公司 | Pump head device of deep well pump |
| CN106704202A (en) * | 2016-11-30 | 2017-05-24 | 江苏振华泵业股份有限公司 | Marine vertical self-priming centrifugal pump with inter-leakage preventing structure |
| CN107605753A (en) * | 2017-08-21 | 2018-01-19 | 王道红 | A kind of vertical single stage Piping Centrifugal Pumps |
-
2010
- 2010-05-14 CN CN2010201947129U patent/CN201650747U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562609A (en) * | 2012-02-15 | 2012-07-11 | 湖南湘电长沙水泵有限公司 | Nuclear three-stage waste heat discharge pump for AP1000 nuclear power station |
| CN105715560A (en) * | 2016-03-28 | 2016-06-29 | 武汉船用机械有限责任公司 | Pump head device of deep well pump |
| CN105715560B (en) * | 2016-03-28 | 2018-02-13 | 武汉船用机械有限责任公司 | A kind of pump head device of deep well pump |
| CN106704202A (en) * | 2016-11-30 | 2017-05-24 | 江苏振华泵业股份有限公司 | Marine vertical self-priming centrifugal pump with inter-leakage preventing structure |
| CN107605753A (en) * | 2017-08-21 | 2018-01-19 | 王道红 | A kind of vertical single stage Piping Centrifugal Pumps |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20120514 |