CN206636796U - A kind of vertical ship centrifugal pump - Google Patents
A kind of vertical ship centrifugal pump Download PDFInfo
- Publication number
- CN206636796U CN206636796U CN201720351333.8U CN201720351333U CN206636796U CN 206636796 U CN206636796 U CN 206636796U CN 201720351333 U CN201720351333 U CN 201720351333U CN 206636796 U CN206636796 U CN 206636796U
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- CN
- China
- Prior art keywords
- pump
- shaft
- impeller
- centrifugal pump
- vertical ship
- 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.)
- Expired - Fee Related
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Abstract
A kind of vertical ship centrifugal pump, including the pump housing, pump cover, the water inlet and delivery port of the pump housing are located in same horizontal line, pump shaft is provided with the cavity that the pump housing and pump cover are formed, first keyway of pump shaft is provided with impeller and locked by impeller nut, described pump shaft upper end open, it is set on motor shaft, and locked by the second keyway and holding screw, the pump shaft upper end is connected with shaft coupling, described coupler sleeve is located on motor shaft, and is connected with conical bracket, and the shaft coupling is wedge-shaped round platform hollow structure.The utility model effectively overcome centrifugal pump shaft to circular runout it is big the shortcomings that, reduce infringement of the axial runout to motor, active balance centrifugal pump radial and axial load caused in the running, so as to ensure that centrifugal pump operates steadily, with small vibration, noise is low, ensure the normal use under conditions of hull is tilted and rocked.
Description
Technical field
Water pump is the utility model is related to, more particularly to a kind of vertical ship centrifugal pump for being capable of vibration and noise reducing.
Background technology
Existing vertical centrifugal pump impeller water inlet is downward, and medium is low in and high out by impeller during work, is pumped
Medium produces a downward active force to impeller.The weight of the moving components such as impeller, pump shaft, motor rotor produces downwards weight
Power.The two power, which stack up, to be acted on bearing so that bearing axial load increases, so as to shorten the use longevity of bearing
Life, the increase of resistance can also increase noise, expend electric energy.In addition, existing centrifugal pump typically uses split-type structural, split
For formula centrifugal pump shaft to big with circular runout, service life is low.
Authorization Notice No. is that a CN204984945U utility model patent discloses a kind of marine vertical centrifugal pump, is wrapped
The pump housing is included, the water inlet and delivery port of the pump housing are located in same horizontal line, and its shaft coupling includes motor coupler, intermediate shaft coupling
With pump shaft coupling, overcome to a certain extent split type centrifugal pump shaft to circular runout it is big the shortcomings that, reduce axial runout
Infringement to motor, but it assembles axial required precision height, assembling is complicated, and impeller blade number and its riding position, impeller
Import and impeller outlet diameter, and impeller outlet width is also often an important factor for causing pump vibration and noise.
The content of the invention
The purpose of this utility model is to overcome weak point of the prior art, there is provided a kind of structure optimization, rigidity increase
By force, the vertical ship centrifugal pump of vibration and noise reducing.
What the utility model was realized in：A kind of vertical ship centrifugal pump, including the pump housing, pump cover, the water inlet of the pump housing
It is located at delivery port in same horizontal line, is provided with pump shaft in the cavity that the pump housing and pump cover are formed, on the first keyway of pump shaft
Lock, described pump shaft upper end open, be set on motor shaft provided with impeller and by impeller nut, and by the second keyway with
And holding screw locking, the pump shaft upper end is connected with shaft coupling, and described coupler sleeve is located on motor shaft, and with taper support
Frame is connected, and the shaft coupling is wedge-shaped round platform hollow structure.
Further, described pump shaft is made up of the first linkage section, the second linkage section and thread segment, and described second
Linkage section is provided with the endoporus with motor shaft major diameter fit, and the second linkage section upper end outer rim is provided with convex for what is connected with shaft coupling
Edge, the second linkage section upper end porch are provided with the wedge-shaped groove coordinated with shaft coupling.
Further, the impeller is double shrouded wheel, provided with 6 distortion linear leafs, impeller inlet diameter D1=114.5mm,
Impeller outlet diameter D2=160mm, impeller outlet width B1=18mm。
As preferable technical scheme, mechanical seal is provided with the pump shaft, and be connected with pump cover by sealing gland
It is fixed.
As preferable technical scheme, the first O-ring is provided between the pump housing and pump cover, the pump cover is pressed with sealing
The second O-ring is provided between lid.
As preferable technical scheme, the side wall of the pump housing is provided with plug screw.
The utility model pump shaft is set on motor shaft, and is locked by keyway and holding screw, the pump shaft upper end
It is connected with shaft coupling, described coupler sleeve is located on motor shaft, and is connected with conical bracket, so as to overcome centrifugal pump
Axially and radially beat the shortcomings that big, reduce infringement of the axial runout to motor, active balance centrifugal pump produces in the running
Raw radial and axial load, so as to ensure that centrifugal pump operates steadily, with small vibration, noise is low, ensure to tilt in hull and rock
Under conditions of normal use.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model pump shaft；
Fig. 3 is the structural representation of the utility model impeller；
Fig. 4 is Fig. 3 side structure schematic view.
In figure：1st, the pump housing, 2, sealing ring, 3, sealing screw, 4, impeller, 5, impeller nut, the 6, first keyway, the 7, the first O
Type circle, 8, pump cover, 9, pump shaft, 10, sealing gland, 11, holding screw, the 12, second keyway, 13, shaft coupling, 14, motor, 15,
Conical bracket, 16, mechanical seal, the 17, second O-ring, 18 plug screws, 19, motor shaft.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Referring to the drawings 1, a kind of vertical ship centrifugal pump, including the pump housing 1, pump cover 8, the water inlet of the pump housing 1 and delivery port position
In in same horizontal line, pump shaft 9 is provided with the cavity that the pump housing 1 and pump cover 8 are formed, the first keyway of pump shaft 9 is provided with leaf
Wheel 4 is simultaneously locked by impeller nut 5, the described upper end open of pump shaft 9, is set on motor shaft 19, and pass through the second keyway 12
And holding screw 11 is locked, the upper end of pump shaft 9 is connected with shaft coupling 13, and described shaft coupling 13 is set in motor shaft 19
On, and be connected with conical bracket 15, the shaft coupling 13 is wedge-shaped round platform hollow structure；Set on the pump shaft 9 organic
Tool sealing 16, and be connected by sealing gland 10 and pump cover 8；The first O-ring is provided between the pump housing 1 and pump cover 8
7, it is provided with the second O-ring 17 between the pump cover 8 and sealing gland 10；The side wall of the pump housing 1 is provided with plug screw 18.
Referring to the drawings 2, described pump shaft 9 is by the first linkage section 9-1, the second linkage section 9-2 and thread segment 9-3 groups
Into the second described linkage section 9-3 is provided with the endoporus 9-4 with the major diameter fit of motor shaft 19, and the second linkage section 9-3 upper ends outer rim is set
The flange 9-5 for being connected with shaft coupling 13 is equipped with, the second linkage section 9-3 upper ends porch is provided with what is coordinated with shaft coupling 13
Wedge-shaped groove 9-6.
Referring to the drawings 3, the impeller 4 is double shrouded wheel, provided with 6 distortion linear leafs, impeller inlet diameter D1=
114.5mm, impeller outlet diameter D2=160mm, impeller outlet width B1=18mm。
The utility model vertical ship centrifugal pump working flow 70m3/ h, lift 25, rotating speed 2950r/min, power are
15KW。
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model, and the available prior art of each part being not known in the present embodiment adds
To realize.
Claims (6)
1. a kind of vertical ship centrifugal pump, including the pump housing, pump cover, the water inlet and delivery port of the pump housing are located in same horizontal line,
Pump shaft is provided with the cavity that the pump housing and pump cover are formed, the first keyway of pump shaft is provided with impeller and locked by impeller nut
Tightly, it is characterised in that：Described pump shaft upper end open, is set on motor shaft, and is locked by the second keyway and holding screw
Tightly, the pump shaft upper end is connected with shaft coupling, and described coupler sleeve is located on motor shaft, and is connected with conical bracket,
The shaft coupling is wedge-shaped round platform hollow structure.
A kind of 2. vertical ship centrifugal pump according to claim 1, it is characterised in that：Described pump shaft is by the first connection
Section, the second linkage section and thread segment composition, the second described linkage section are provided with the endoporus with motor shaft major diameter fit, and second connects
Connect section upper end outer rim and be provided with flange for being connected with shaft coupling, the second linkage section upper end porch is provided with matches somebody with somebody with shaft coupling
The wedge-shaped groove of conjunction.
A kind of 3. vertical ship centrifugal pump according to claim 1, it is characterised in that：The impeller is double shrouded wheel, if
There are 6 distortion linear leafs, impeller inlet diameter D1=114.5mm, impeller outlet diameter D2=160mm, impeller outlet width B1=
18mm。
A kind of 4. vertical ship centrifugal pump according to claim 1, it is characterised in that：It is close that machinery is provided with the pump shaft
Envelope, and be connected by sealing gland and pump cover.
A kind of 5. vertical ship centrifugal pump according to claim 4, it is characterised in that：Set between the pump housing and pump cover
There is the first O-ring, the second O-ring is provided between the pump cover and sealing gland.
A kind of 6. vertical ship centrifugal pump according to any one of claim 1-5, it is characterised in that：The side of the pump housing
Wall is provided with plug screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351333.8U CN206636796U (en) | 2017-04-06 | 2017-04-06 | A kind of vertical ship centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720351333.8U CN206636796U (en) | 2017-04-06 | 2017-04-06 | A kind of vertical ship centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206636796U true CN206636796U (en) | 2017-11-14 |
Family
ID=60247680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720351333.8U Expired - Fee Related CN206636796U (en) | 2017-04-06 | 2017-04-06 | A kind of vertical ship centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206636796U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159543A (en) * | 2017-12-27 | 2019-08-23 | 浙江中太泵业科技有限公司 | A kind of centrifugal pump of single stage type of easy access |
| CN112360620A (en) * | 2020-11-09 | 2021-02-12 | 中国船舶重工集团公司第七0四研究所 | Light seawater and lubricating oil integrated pump set |
-
2017
- 2017-04-06 CN CN201720351333.8U patent/CN206636796U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159543A (en) * | 2017-12-27 | 2019-08-23 | 浙江中太泵业科技有限公司 | A kind of centrifugal pump of single stage type of easy access |
| CN112360620A (en) * | 2020-11-09 | 2021-02-12 | 中国船舶重工集团公司第七0四研究所 | Light seawater and lubricating oil integrated pump set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20200406 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |