CN106555758A - A kind of sectional multi-stage centrifugal pump - Google Patents
A kind of sectional multi-stage centrifugal pump Download PDFInfo
- Publication number
- CN106555758A CN106555758A CN201610905035.9A CN201610905035A CN106555758A CN 106555758 A CN106555758 A CN 106555758A CN 201610905035 A CN201610905035 A CN 201610905035A CN 106555758 A CN106555758 A CN 106555758A
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- fixed mount
- side fixed
- centrifugal pump
- outlet side
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of sectional multi-stage centrifugal pump; including housing; housing is made up of outlet side fixed mount, suction side fixed mount and circular sliding slopes block; one end of outlet side fixed mount is provided with circular sliding slopes block; circular sliding slopes block is provided with suction side fixed mount away from one end of outlet side fixed mount; semi arch protection case is socketed with the outside of circular sliding slopes block, the side of outlet side fixed mount is provided with drainpipe, and the side of suction side fixed mount is provided with suction hose.Present invention, avoiding the situation of centrifugal pump body whole detachable maintaining in maintenance, improve the installing/dismounting speed of centrifugal pump, the rotating shaft of centrifugal pump and impeller segmentation docking are arranged, only need to for the rotating shaft of damage and impeller to take out replacing from the inside of housing during maintenance, efficiency is changed in the maintenance that improve centrifugal pump, the dismounting quantity of centrifugal pump inner body is reduced, zero situation that installation accuracy is reduced because of dismounting repeatedly is prevented inside centrifugal pump, is ensured the performance of centrifugal pump.
Description
Technical field
The present invention relates to pump technical field is centrifuged, more particularly to a kind of sectional multi-stage centrifugal pump.
Background technology
Sectional multi-stage centrifugal pump is that multiple impellers are installed tandem working on a shaft, and on axle, impeller number represents pump
Series.Sectional multistage pump configuration is generally divided into suction casing, stage casing（Middle hop count subtracts 1 for impeller number）With discharge section, each section
It is linked to be an entirety with turnbuckle.The suction inlet of sectional multi-stage centrifugal pump is arranged in the same direction, and liquid is from previous stage leaf
Wheel flow out after Jing stators enter next stage impeller inlet, energy is increased step by step, most after Jing discharge section flow out.Sectional multistage from
Vertical mounting design being adopted heart pump, save space is easy for installation more.The liquid entrance of centrifugal pump not on the same axis, under
Portion's feed liquor, top go out liquid, and suction casing, stage casing and discharge section are connected by turnbuckle.Centrifugal pump and motor are by elastic shaft coupling
Section connection, sealing typically adopt mechanical seal.Sectional multi-stage centrifugal pump be applied to industry, the conveying of agricultural liquid and city to
Draining, skyscraper pressurized water supply, fire fighting pressurization, send water and boiler feedwater etc. at a distance, however traditional sectional multistage from
Heart pump is needed all to dismantle the rotating shaft of the pump housing itself and impeller in repair demolition and is keeped in repair because of its structure feature itself,
This mode needs the pump housing all to dismantle, and whole process trouble is inconvenient, and affects the peace between centrifugal pump inner body
Dress precision, needs a kind of sectional multi-stage centrifugal pump for this.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of sectional multistage centrifugation for proposing
Pump.
To achieve these goals, present invention employs following technical scheme：
A kind of sectional multi-stage centrifugal pump, including housing, the housing are connected by outlet side fixed mount, suction side fixed mount and circular arc
Block composition is connect, one end of the outlet side fixed mount is provided with circular sliding slopes block, and the circular sliding slopes block is fixed away from outlet side
One end of frame is provided with suction side fixed mount, and semi arch protection case, the discharge are socketed with the outside of the circular sliding slopes block
The side of end fixed mount is provided with drainpipe, and the side of the suction side fixed mount is provided with suction hose, the inside of the housing
Rotating shaft is installed, the outside of the rotating shaft is from top to bottom sequentially installed with the first impeller, the second impeller and trilobed wheel, described
One impeller is located at the inside of outlet side fixed mount, and the trilobed wheel is located at the inside of suction side fixed mount, and the outlet side is solid
Determine branch sleeve is installed above frame, the inside of the branch sleeve is provided with shaft coupling, one end of the shaft coupling with turn
Axle connects, and the other end of the shaft coupling is provided with motor, and motor is connected with branch sleeve, and the suction side is solid
Determine sleeve is installed immediately below frame, the inwall of the sleeve is matched with rotating shaft, the sleeve is provided with the first fixing hole, described
Case is installed on the outside of sleeve, between the outlet side fixed mount and suction side fixed mount, leads to clamping screw connection；Described turn
Axle is made up of first rotating shaft and the second rotating shaft, and the first rotating shaft is located at the surface of the second rotating shaft, the first rotating shaft and connection
Axle device connects, and the first rotating shaft is provided with docking recess, the first rotating shaft away from shaft coupling away from one end of shaft coupling
End outside is provided with the second fixing hole, and second rotating shaft is provided with docking boss near one end of first rotating shaft, and dock boss with
Docking recess is matched, and second rotating shaft is matched with the inwall of sleeve.
Preferably, first impeller is arranged on the outside of first rotating shaft, and second impeller and trilobed wheel are arranged on
The outside of the second rotating shaft.
Preferably, the quantity of second fixing hole is four, and the second fixing hole is along the axle Central Symmetry of first rotating shaft
Arrange, trip bolt is installed on second fixing hole.
Preferably, the quantity of first fixing hole is four, and the first fixing hole is arranged along the axle Central Symmetry of sleeve,
Trip bolt is installed on first fixing hole.
Preferably, the sleeve is provided with end cap away from one end of rotating shaft.
Preferably, the outlet side fixed mount is provided with circular ring type baffle plate with suction side fixed mount one end close to each other, and
Circular ring type baffle plate is matched with semi arch protection case, is provided with sealing between the circular ring type baffle plate and semi arch protection case
Circle.
Beneficial effects of the present invention：
1st, the housing and semi arch by arranging protects case, it is to avoid in maintenance by centrifugal pump body whole detachable maintainings
Situation, improves the installing/dismounting speed of centrifugal pump；
2nd, by the rotating shaft for arranging, the rotating shaft of centrifugal pump and impeller segmentation docking are arranged, is only needed to turning for damaging during maintenance
Axle and impeller take out replacing from the inside of housing, and efficiency is changed in the maintenance that improve centrifugal pump, reduces centrifugal pump inner body
Dismounting quantity, prevent inside centrifugal pump zero situation that installation accuracy is reduced because of dismounting repeatedly, ensure the performance of centrifugal pump.
Description of the drawings
Fig. 1 is a kind of structural representation of sectional multi-stage centrifugal pump proposed by the present invention；
Fig. 2 is a kind of structural representation of sectional multi-stage centrifugal pump housing proposed by the present invention；
Fig. 3 is a kind of structural representation of sectional multi-stage centrifugal pump rotating shaft proposed by the present invention.
In figure：1 housing, 2 outlet side fixed mounts, 3 suction side fixed mounts, 4 circular sliding slopes blocks, 5 semi arches protection case, 6
Drainpipe, 7 suction hoses, 8 rotating shafts, 9 first impellers, 10 second impellers, 11 trilobed wheels, 12 branch sleeves, 13 shaft couplings, 14 are driven
Dynamic motor, 15 sleeves, 16 first fixing holes, 17 cases, 18 first rotating shafts, 19 second rotating shafts, 20 docking recess, 21 second are fixed
Hole, 22 docking boss, 23 clamping screws.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
Reference picture 1-3, a kind of sectional multi-stage centrifugal pump, including housing 1, housing 1 is by outlet side fixed mount 2, suction side
Fixed mount 3 and circular sliding slopes block 4 are constituted, and one end of outlet side fixed mount 2 is provided with circular sliding slopes block 4, circular sliding slopes block 4 away from
One end of outlet side fixed mount 2 is provided with suction side fixed mount 3, and the outside of circular sliding slopes block 4 is socketed with semi arch protection case
5, the side of outlet side fixed mount 2 is provided with drainpipe 6, and the side of suction side fixed mount 3 is provided with suction hose 7, housing 1 it is interior
Portion is provided with rotating shaft 8, and the outside of rotating shaft 8 is from top to bottom sequentially installed with the first impeller 9, the second impeller 10 and trilobed wheel 11,
First impeller 9 is located at the inside of outlet side fixed mount 2, and trilobed wheel 11 is located at the inside of suction side fixed mount 3, and outlet side is fixed
The top of frame 2 is provided with branch sleeve 12, and the inside of branch sleeve 12 is provided with shaft coupling 13, one end of shaft coupling 13 and rotating shaft
8 connections, the other end of shaft coupling 13 is provided with motor 14, and motor 14 is connected with branch sleeve 12, and suction side is solid
The underface for determining frame 3 is provided with sleeve 15, and the inwall of sleeve 15 is matched with rotating shaft 8, and sleeve 15 is provided with the first fixing hole 16, set
The outside of cylinder 15 is provided with case 17, leads to clamping screw 23 and connect between outlet side fixed mount 2 and suction side fixed mount 3；Rotating shaft 8
It is made up of first rotating shaft 18 and the second rotating shaft 19, first rotating shaft 18 is located at the surface of the second rotating shaft 19, first rotating shaft 18 and connection
Axle device 13 connects, and first rotating shaft 18 is provided with docking recess 20 away from one end of shaft coupling 13, and first rotating shaft 18 is away from shaft coupling 13
One end on the outside of be provided with the second fixing hole 21, the second rotating shaft 19 is provided with docking boss 22 near one end of first rotating shaft 18, and right
Connect boss 22 to match with docking recess 20, the second rotating shaft 19 is matched with the inwall of sleeve 15, the first impeller 9 is arranged on first rotating shaft
18 outside, the second impeller 10 and trilobed wheel 11 are arranged on the outside of the second rotating shaft 19, and the quantity of the second fixing hole 21 is four
It is individual, and the second fixing hole 21 is provided with trip bolt on second fixing hole 21 along the axle Central Symmetry setting of first rotating shaft 18, the
The quantity of one fixing hole 16 is four, and the first fixing hole 16 is arranged along the axle Central Symmetry of sleeve 15, on the first fixing hole 16
Trip bolt is installed, sleeve 15 is provided with end cap, outlet side fixed mount 2 and 3 phase of suction side fixed mount away from one end of rotating shaft 8
Mutually close one end is provided with circular ring type baffle plate, and circular ring type baffle plate protects case 5 to match with semi arch, circular ring type baffle plate and semicircle
Sealing ring is installed between arc protection case 5.
In the present invention, when needing to keep in repair centrifugal pump, semi arch protection case 5 is disassembled from housing 1,
Then rotating shaft 8 and the impeller situation inside housing 1 is checked, when discovery failed part is checked, by the second fixing hole 21
Trip bolt unclamps, and then removes the case 17 below suction side fixed mount 3, and will be the trip bolt on the first fixing hole 16 loose
Open, then the second rotating shaft 19 is extracted out from first rotating shaft 18, at this time at the first rotating shaft 18 in rotating shaft 8 and the second rotating shaft 19
In released state, corresponding part of damage is then changed, then first rotating shaft 18 and the second rotating shaft 19 are docked, and tighten successively
The trip bolt on trip bolt and the first fixing hole 16 on two fixing holes 21, finally installs tight on the first fixing hole 16
Gu screw and semi arch protection case 5, complete the maintenance of centrifugal pump, the design is avoided centrifugal pump body whole in maintenance
The situation of detachable maintaining, improves the installing/dismounting speed of centrifugal pump, the rotating shaft of centrifugal pump and impeller segmentation docking is arranged, dimension
Only need to for the rotating shaft of damage and impeller to take out replacing from the inside of housing when repairing, efficiency is changed in the maintenance that improve centrifugal pump,
The dismounting quantity of centrifugal pump inner body is reduced, zero feelings that installation accuracy is reduced because of dismounting repeatedly are prevented inside centrifugal pump
Condition, ensures the performance of centrifugal pump.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (6)
1. a kind of sectional multi-stage centrifugal pump, including housing（1）, it is characterised in that：The housing（1）By outlet side fixed mount
（2）, suction side fixed mount（3）With circular sliding slopes block（4）Composition, the outlet side fixed mount（2）One end be provided with circular arc company
Connect block（4）, the circular sliding slopes block（4）Away from outlet side fixed mount（2）One end suction side fixed mount is installed（3）, it is described
Circular sliding slopes block（4）Outside be socketed with semi arch protection case（5）, the outlet side fixed mount（2）Side row is installed
Water pipe（6）, the suction side fixed mount（3）Side suction hose is installed（7）, the housing（1）Inside rotating shaft is installed
（8）, the rotating shaft（8）Outside be from top to bottom sequentially installed with the first impeller（9）, the second impeller（10）With trilobed wheel
（11）, first impeller（9）Positioned at outlet side fixed mount（2）Inside, the trilobed wheel（11）Fix positioned at suction side
Frame（3）Inside, the outlet side fixed mount（2）Top branch sleeve is installed（12）, the branch sleeve（12）It is interior
Portion is provided with shaft coupling（13）, the shaft coupling（13）One end and rotating shaft（8）Connection, the shaft coupling（13）The other end peace
Equipped with motor（14）, and motor（14）With branch sleeve（12）Connection, the suction side fixed mount（3）Underface
Sleeve is installed（15）, the sleeve（15）Inwall and rotating shaft（8）Matching, the sleeve（15）It is provided with the first fixing hole
（16）, the sleeve（15）Outside case is installed（17）, the outlet side fixed mount（2）With suction side fixed mount（3）It
Between lead to clamping screw（23）Connection；The rotating shaft（8）By first rotating shaft（18）With the second rotating shaft（19）Composition, the first rotating shaft
（18）Positioned at the second rotating shaft（19）Surface, the first rotating shaft（18）With shaft coupling（13）Connection, the first rotating shaft
（18）Away from shaft coupling（13）One end be provided with docking recess（20）, the first rotating shaft（18）Away from shaft coupling（13）One end
Outside is provided with the second fixing hole（21）, second rotating shaft（19）Near first rotating shaft（18）One end be provided with docking boss
（22）, and dock boss（22）With docking recess（20）Matching, second rotating shaft（19）With sleeve（15）Inwall matching.
2. a kind of sectional multi-stage centrifugal pump according to claim 1, it is characterised in that first impeller（9）Install
In first rotating shaft（18）Outside, second impeller（10）With trilobed wheel（11）Installed in the second rotating shaft（19）Outside.
3. a kind of sectional multi-stage centrifugal pump according to claim 1, it is characterised in that second fixing hole（21）'s
Quantity is four, and the second fixing hole（21）Along first rotating shaft（18）Axle Central Symmetry arrange, second fixing hole（21）
On trip bolt is installed.
4. a kind of sectional multi-stage centrifugal pump according to claim 1, it is characterised in that first fixing hole（16）'s
Quantity is four, and the first fixing hole（16）Along sleeve（15）Axle Central Symmetry arrange, first fixing hole（16）Upper peace
Equipped with trip bolt.
5. a kind of sectional multi-stage centrifugal pump according to claim 1, it is characterised in that the sleeve（15）Away from rotating shaft
（8）One end end cap is installed.
6. a kind of sectional multi-stage centrifugal pump according to claim 1, it is characterised in that the outlet side fixed mount（2）
With suction side fixed mount（3）One end close to each other is provided with circular ring type baffle plate, and circular ring type baffle plate protects case with semi arch（5）
Matching, the circular ring type baffle plate protect case with semi arch（5）Between sealing ring is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905035.9A CN106555758A (en) | 2016-10-19 | 2016-10-19 | A kind of sectional multi-stage centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905035.9A CN106555758A (en) | 2016-10-19 | 2016-10-19 | A kind of sectional multi-stage centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106555758A true CN106555758A (en) | 2017-04-05 |
Family
ID=58443237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610905035.9A Pending CN106555758A (en) | 2016-10-19 | 2016-10-19 | A kind of sectional multi-stage centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106555758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559211A (en) * | 2017-09-04 | 2018-01-09 | 四川宇康供水设备有限公司 | It is conveniently replaceable the centrifugal multistage pump multiple centrifugal pump of flabellum |
-
2016
- 2016-10-19 CN CN201610905035.9A patent/CN106555758A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107559211A (en) * | 2017-09-04 | 2018-01-09 | 四川宇康供水设备有限公司 | It is conveniently replaceable the centrifugal multistage pump multiple centrifugal pump of flabellum |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170405 |
|
| WD01 | Invention patent application deemed withdrawn after publication |