CN207989322U - A kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump - Google Patents
A kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump Download PDFInfo
- Publication number
- CN207989322U CN207989322U CN201820338846.XU CN201820338846U CN207989322U CN 207989322 U CN207989322 U CN 207989322U CN 201820338846 U CN201820338846 U CN 201820338846U CN 207989322 U CN207989322 U CN 207989322U
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- CN
- China
- Prior art keywords
- pump
- impeller
- guide vane
- balancing
- pump shaft
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- 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
The utility model belongs to centrifugal multistage pump multiple centrifugal pump, and in particular to a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump；The interior intracavitary in stage casing is installed with guide vane, guide vane choma is provided on guide vane, odd number multi-stage impeller is fixedly connected on the pump shaft of guide vane, guide vane is coordinated by the multi-stage impeller on sealing ring and pump shaft, wherein first impeller is first stage impeller, and balance hole is offered on first stage impeller, is twoport ring impeller on first stage impeller, the twoport ring of first stage impeller is fitted on the guide vane choma on guide vane, and is fixed with interstage sleeve on the pump shaft on the left of every grade of impeller；It reduces production cost, the abrasion for reducing pump, prolong the service life, when centrifugal multistage pump multiple centrifugal pump is odd level, the centrifugal multistage pump multiple centrifugal pump offers balance hole on first stage impeller, so that first stage impeller reaches self-balancing, positive and negative be equipped with of remaining impeller reaches balance, for pump in the running not without balancing device, automatically balancing axial force improves the service life of part.
Description
Technical field：
The utility model belongs to centrifugal multistage pump multiple centrifugal pump, and in particular to a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump.
Background technology：
Currently, well known multi-stage self-balancing centrifugal pump is mostly used the positive and negative installation cooperation of impeller to reach balance.This multistage leaf
The balance of wheel is even number in pump stage number, easy to implement to work well,
But parameter needed for multistage pump is inconsistent, when multistage pump series is odd number, pump is flat when causing impeller positive and negative installation
Weighing apparatus power installation cannot reach self-balancing, multistage pump job insecurity, pump inefficiency as even number impeller.By changing impeller ginseng
Duty parameter needed for number respective pump, increases manufacturing cost.
Utility model content：
The shortcomings that in order to overcome in the prior art, the utility model provide a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump,
Simple in structure, self-balancing effect is good, improves the novel multi-stage self-balancing centrifugal pump of the service life of centrifugal multistage pump multiple centrifugal pump.
A kind of self-balancing centrifugal pump includes pump shaft, left bearing body, right bearing body, the pump housing, guide vane, and the pump shaft left end is matched
On left bearing body, the right end of pump shaft is fitted on right bearing body；The pump housing is fitted in the middle part of pump shaft, the pump housing
Including suction side, stage casing and discharge end, the suction side is arranged on the pump shaft of left bearing body right end, the left end of suction side with
Left bearing body is equipped, and the right end of suction side and the left end in stage casing are connected, and the right end in stage casing is equipped with the left end at discharge end, spits
The right end of outlet is equipped with the left side of right bearing body；The interior intracavitary in stage casing is installed with guide vane, and guide vane mouth is provided on guide vane
Ring, is fixedly connected with odd number multi-stage impeller on the pump shaft of guide vane, and guide vane passes through the multi-stage impeller on sealing ring and pump shaft
Cooperation offers balance hole, first stage impeller is twoport ring impeller, first wherein first impeller is first stage impeller on first stage impeller
The twoport ring of grade impeller is fitted on the guide vane choma on guide vane, and is fixed with interstage sleeve on the pump shaft on the left of every grade of impeller.
Preferably, the guide vane in stage casing is fixedly connected by pin with stage casing.
Preferably, the gap location of suction side and pump shaft is provided with sealing gland, filler and packing press ring, under sealing gland
Side connects with pump shaft, and the upside of sealing gland connects with suction side, and packing press ring is arranged on the pump shaft of sealing gland rear end, fills out
Material pressure ring downside connect with pump shaft, the upside of packing press ring connects with suction side, the filler be arranged sealing gland with
Between packing press ring.
Preferably, stage casing thickeies 20mm-30mm.
Preferably, 9 thickness of first stage impeller thickeies 20mm-30mm.
The utility model is simple in structure, and with lift in required declared working condition, reduction is produced into flow pump in the running
Originally it, reduces the abrasion of pump, prolong the service life.When centrifugal multistage pump multiple centrifugal pump is odd level, the centrifugal multistage pump multiple centrifugal pump is on first stage impeller
Offer balance hole so that first stage impeller reaches self-balancing, and positive and negative be equipped with of remaining impeller reaches balance, and pump is in the running not without flat
Weigh device, and automatically balancing axial force improves the service life of part, and all part dresses are convenient, improve multistage centrifugal
The service life of pump.
Description of the drawings：
Fig. 1 is a kind of structure of self-balancing odd level centrifugal multistage pump multiple centrifugal pump.
Fig. 2 is the partial enlarged view at A in a kind of structure of self-balancing odd level centrifugal multistage pump multiple centrifugal pump.
In figure, pump shaft 1, left bearing body 2, right bearing body 3, suction side 4, stage casing 5, guide vane 6, discharge end 7, interstage sleeve 8, chopped-off head
Impeller 9, balance hole 10.
Specific embodiment：
As depicted in figs. 1 and 2, a kind of self-balancing centrifugal pump includes pump shaft 1, left bearing body 2, right bearing body 3, the pump housing, leads
Leaf 6.
1 left end of pump shaft is fitted on left bearing body 2, and the right end of pump shaft 1 is fitted on right bearing body 3；The pump housing is matched
Mounted in 1 middle part of pump shaft, the pump housing includes suction side 4, stage casing 5 and discharge end 7, and the suction side 4 is arranged in left bearing
On the pump shaft 1 of 2 right end of body, the left end of suction side 4 is equipped with left bearing body 2, and the right end of suction side 4 coordinates with the left end in stage casing 5
Connection, the right end in stage casing 5 is equipped with the left end at discharge end 7, and the right end at discharge end 7 is equipped with the left side of right bearing body 3.Suction side
7 are provided with sealing gland, filler and packing press ring with the gap location of pump shaft 1, and the downside of sealing gland connects with pump shaft 1, seal
The upside of gland connects with suction side 4, and packing ring is arranged on the pump shaft 1 of sealing gland rear end, downside and the pump shaft 1 of packing ring
Connect, the upside of packing ring connects with suction side 4, and the filler is arranged between sealing gland and packing ring.
The interior intracavitary in stage casing 5 is installed with guide vane 6, and the guide vane 6 in stage casing 5 is fixedly connected by pin with stage casing 5, is led
It is provided with guide vane choma on leaf 6, odd number multi-stage impeller is fixedly connected on the pump shaft 1 of guide vane 6, guide vane 6 passes through sealing
Ring coordinates with the multi-stage impeller on pump shaft 1, wherein first impeller is first stage impeller 9, balance hole is offered on first stage impeller 9
10, twoport ring is provided on first stage impeller 9, and the twoport ring of first stage impeller 9 is fitted on the guide vane choma on guide vane 6, and every
It is fixed with interstage sleeve 8 on pump shaft 1 on the left of grade impeller.The thickness in wherein stage casing 5 has thickeied 25mm.9 thickness of first stage impeller thickeies
25mm。
Claims (5)
1. a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump, it is characterised in that：A kind of self-balancing centrifugal pump includes pump shaft, a left side
Bearing body, right bearing body, the pump housing, guide vane, the pump shaft left end are fitted on left bearing body, and the right end of pump shaft is fitted in right axle
It holds on body；The pump housing is fitted in the middle part of pump shaft, and the pump housing includes suction side, stage casing and discharge end, the water suction
End is arranged on the pump shaft of left bearing body right end, and the left end of suction side is equipped with left bearing body, the right end of suction side and stage casing
Left end is connected, and the right end in stage casing is equipped with the left end at discharge end, and the right end at discharge end is equipped with the left side of right bearing body；In
The interior intracavitary of section is installed with guide vane, and guide vane choma is provided on guide vane, odd number is fixedly connected on the pump shaft of guide vane
A multi-stage impeller, guide vane are coordinated by the multi-stage impeller on sealing ring and pump shaft, wherein first impeller is first stage impeller, chopped-off head
Balance hole is offered on impeller, first stage impeller is twoport ring impeller, and the twoport ring of first stage impeller is fitted in the guide vane mouth on guide vane
On ring, and interstage sleeve is fixed on the pump shaft on the left of every grade of impeller.
2. a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump according to claim 1, it is characterised in that：Guide vane in stage casing is logical
Pin is crossed to be fixedly connected with stage casing.
3. a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump according to claim 1, it is characterised in that：Suction side and pump shaft
Gap location is provided with sealing gland, filler and packing press ring, and the downside of sealing gland connects with pump shaft, the upside of sealing gland with
Suction side connects, and packing press ring is arranged on the pump shaft of sealing gland rear end, and the downside of packing press ring connects with pump shaft, filler pressure
The upside of ring connects with suction side, and the filler is arranged between sealing gland and packing press ring.
4. a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump according to claim 1, it is characterised in that：The stage casing thickeies
20mm-30mm。
5. a kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump according to claim 1, it is characterised in that：The first-level guide blade
Thickness thickeies 20mm-30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338846.XU CN207989322U (en) | 2018-03-13 | 2018-03-13 | A kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338846.XU CN207989322U (en) | 2018-03-13 | 2018-03-13 | A kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207989322U true CN207989322U (en) | 2018-10-19 |
Family
ID=63827762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820338846.XU Expired - Fee Related CN207989322U (en) | 2018-03-13 | 2018-03-13 | A kind of self-balancing odd level centrifugal multistage pump multiple centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207989322U (en) |
-
2018
- 2018-03-13 CN CN201820338846.XU patent/CN207989322U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190313 |