CN108194382A - Coaxial double end centrifugal pump - Google Patents
Coaxial double end centrifugal pump Download PDFInfo
- Publication number
- CN108194382A CN108194382A CN201611119482.8A CN201611119482A CN108194382A CN 108194382 A CN108194382 A CN 108194382A CN 201611119482 A CN201611119482 A CN 201611119482A CN 108194382 A CN108194382 A CN 108194382A
- Authority
- CN
- China
- Prior art keywords
- shaft
- pair
- pump
- spiral case
- pedestal
- 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.)
- Granted
Links
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
- F04D13/00—Pumping installations or systems
- F04D13/12—Combinations of two or more pumps
- F04D13/14—Combinations of two or more pumps the pumps being all of centrifugal type
-
- 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
- F04D29/046—Bearings
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid 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
- F04D29/60—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 coaxial double end centrifugal pump, including pedestal, shaft, power connector and the pump housing；The pump housing includes spiral case and impeller；There are two pump housing tools, and two pump housings share a shaft；Power connector is located at the middle part of shaft, and two cylinder arrangements are in its both sides；A pair of bearings is further included, a pair of bearings is set in the shaft and positioned at the both sides of the power connector, for connecting the shaft and pedestal；A pair of of spiral case is respectively sleeved at the both ends of the shaft and positioned at the both sides of the power connector, and is connect with the pedestal；A pair of of impeller is set in the both ends of the shaft, and in the spiral case, for the liquid of the entrance of the spiral case to be delivered to exit.The coaxial double end centrifugal pump structure of the present invention is compact, firm, small, occupies little space, and can realize that two kinds of the independent of liquid convey, and mechanical loss is smaller by a shaft.
Description
Technical field
The present invention relates to Centrifugal Pump Design technical field, espespecially a kind of coaxial double end centrifugal pump.
Background technology
Centrifugal pump is rotated using impeller and makes liquid that centrifugal movement occur and work, so as to which liquid booster pump be gone out.Centrifugal pump
Before activation, it is necessary to make hydraulically full in pump case and suction pipe, then start motor, pump shaft impeller and liquid is made to do and revolve at a high speed
Transhipment is dynamic, and centrifugal movement occurs for liquid, is thrown toward impeller outer edge, and the runner through volute pump case flows into the hydraulic fluid pipeline of centrifugal pump.
In current many mechanical systems, since the physical property of the liquid of required pumping, flow, lift are required to difference,
So different pumps need to be selected to be pumped.If current existing centrifugal pump will be realized while convey two different liquid,
It needs to realize by the way that the power of the output shaft of engine is passed to two independent centrifugal pumps.Although this structure can be realized
Two different liquid are conveyed simultaneously, but existing structure is complicated and volume is larger, the overall volume for making system is larger, and machinery damage
It consumes more serious.
Therefore, the applicant is dedicated to providing a kind of novel coaxial double end centrifugal pump sz ctr5.
Invention content
The object of the present invention is to provide a kind of coaxial double end centrifugal pump, compact-sized, firm, small, occupied spaces
It is small, it can realize that two kinds of the independent of liquid convey, and mechanical loss is smaller by a shaft.
In order to solve the above technical problems, the present invention provides a kind of coaxial double end centrifugal pump, including pedestal, shaft, power
Attachment device and the pump housing；The shaft is rotatably arranged on the pedestal；The power connector, with the shaft
Connection, for the shaft to be driven to rotate；The pump housing includes spiral case and impeller；There are two the pump housing tools, and two
The pump housing shares a shaft；The power connector is located at the middle part of the shaft, and two cylinder arrangements are in power connector
The both sides of device；A pair of bearings is further included, a pair of bearing is set in the shaft and positioned at the power connector
Both sides, for connecting the shaft and pedestal；A pair of of spiral case is respectively sleeved at the both ends of the shaft and positioned at institute
The both sides of power connector are stated, and are connect with the pedestal, each spiral case has an interconnected import and one
A outlet；A pair of of impeller is set in the both ends of the shaft, and in the spiral case, for by the spiral case into
Liquid at mouthful is delivered to exit.
Preferably, the spiral case includes the pump housing and pump cover, and the pump housing is equipped with the inlet and outlet, and the pump cover is used
The opening of side is connect with shaft in the closing pump housing；The spiral case is connect by connecting flange with the pedestal.
Preferably, the spiral case and the junction of the shaft are equipped with mechanical sealing member.
Preferably, the pedestal includes a bottom plate and a pair of of riser, and a pair of riser is oppositely arranged on the bottom plate,
Reinforcing rib is equipped between the riser and the bottom plate, a pair of bearing is separately positioned on a pair of riser；A pair of of institute
Bearing, a pair of spiral case, a pair of impeller is stated to be symmetricly set in the shaft.
Preferably, the pedestal includes pedestal and bearing chamber, and the bearing chamber is arranged on the pedestal, the bearing chamber
The first sub- bearing chamber and the second sub- bearing chamber including being detachably connected, the first sub- bearing chamber are equipped with to install bearing
The first sub- mounting portion, the second sub- bearing chamber is equipped with for the second sub- mounting portion for installing bearing, the first son peace
Dress portion and the second sub- mounting portion are collectively formed one for installing the mounting portion of bearing.
Preferably, the power connector is belt wheel or gear.
Preferably, the output flow of two pump housings and the proportional relationship of pressure parameter, it is different defeated for meeting
Outflow and pressure requirements.
The coaxial double end centrifugal pump of the present invention can realize any one following advantageous effect.
1st, coaxial double end centrifugal pump of the invention sets a shaft on pedestal, and sets snail respectively at the both ends of shaft
Shell and impeller, when power connector drives shaft rotation, two impellers at shaft both ends are driven respectively in its place spiral case
Liquid is transmitted, and can thus be realized through a shaft two kinds of liquid of independent conveying simultaneously, compared to traditional way,
Two kinds of liquid are conveyed respectively by two independent centrifugal pumps, the centrifugal pump in the present invention reduces a pair of bearings and a bottom
Seat, so as to make the compact-sized of centrifugal pump, reduces its occupied space, reduces its mechanical loss.
2nd, the bearing chamber for installing bearing is set as detachable structure by coaxial double end centrifugal pump of the invention, is set in this way
It is easily installed and dismantles bearing and power connector.
3rd, a coaxial double end centrifugal pump generally symmetrical structure of the invention, wherein, pedestal is a symmetrical structure, spiral case,
Impeller and bearing are symmetricly set in shaft, and setting in this way can make the overall structure of centrifugal pump more compact, firm, make it
Operation is more steady.
4th, the junction of spiral case and shaft is equipped with mechanical sealing member in coaxial double end centrifugal pump of the invention, and setting can in this way
To enhance the sealing effect of centrifugal pump.
Description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is a kind of structure diagram of specific embodiment of the coaxial double end centrifugal pump of the present invention；
Fig. 2 is the vertical view of the coaxial double end centrifugal pump shown in Fig. 1；
Fig. 3 is the side view of the coaxial double end centrifugal pump shown in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram of the middle pedestal of the coaxial double end centrifugal pump shown in Fig. 1.
Drawing reference numeral explanation：
The pump housing 1,13；Impeller 2,14；Pump cover 3,12；Mechanical sealing member 4,11；Connecting flange 5,10；Bearing 6；Shaft 7；It is dynamic
Power attachment device 8；Pedestal 9, pedestal 91, bottom plate 911, riser 912, bearing chamber 92, the first sub- bearing chamber 921, the second sub- bearing
Room 922；Bolt 15.
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
As shown in Figure 1, this specific embodiment discloses a kind of coaxial double end centrifugal pump, including：Pedestal 9；Shaft 7 can turn
It is arranged on dynamicly on pedestal 9；Power connector 8 is connect with shaft 7, and positioned at the middle part of shaft 7, is turned for drive shaft
It is dynamic, specifically, in the present embodiment, power connector 8 is belt wheel；A pair of bearings 6, a pair of bearings be set in shaft 7 and
Positioned at the both sides of power connector 8, for connecting shaft 7 and pedestal 9；A pair of of spiral case, a pair of of spiral case are respectively sleeved at shaft 7
Both ends and connect positioned at each spiral case in both sides of power connector 8 by connecting flange with pedestal 9, each spiral case is with phase
Intercommunicated inlet and outlet, also, spiral case and the junction of shaft 7 are equipped with mechanical sealing member 4,11；Impeller 2,14, impeller 2,
14 are set in the both ends of shaft 7, and impeller is located in spiral case, for the liquid of the entrance of spiral case to be delivered to exit.
In the present embodiment, the spiral case in left side includes the pump housing 1 and pump cover 3, and the spiral case on right side includes the pump housing 13 and pump cover 12,
Inlet and outlet is respectively equipped on the pump housing 1,13, pump cover 3,12 is respectively used to the closing pump housing 1,13 and connect opening for side with shaft 7
Mouthful.
Specifically, pedestal 9 includes pedestal 91 and bearing chamber 92, bearing chamber 92 is arranged on pedestal 91, and bearing chamber 92 includes
The first sub- 921 and second sub- bearing chamber 922 of bearing chamber being detachably connected, wherein, the first sub- bearing chamber 921 is equipped with to pacify
The first sub- mounting portion of bearing is filled, the second sub- bearing chamber 922 is equipped with the second sub- mounting portion for installing bearing, the first son peace
Dress portion and the second sub- mounting portion are collectively formed one for installing the mounting portion of bearing.Setting is easily installed shaft in this way and power connects
Connection device.
Specifically, pedestal 91 includes a bottom plate 911 and a pair of of riser 912, a pair of of riser 912 are oppositely arranged on bottom plate 911
On, reinforcing rib is equipped between riser 912 and bottom plate 911, the second sub- bearing chamber 922 is fixed on riser 912, and in the present embodiment
In, the second sub- bearing chamber 922 is integrally formed with riser 912.
Specifically, a pair of bearings, a pair of of spiral case, a pair of of impeller are symmetricly set in shaft, that is to say, that the present embodiment
In a coaxial double end centrifugal pump generally symmetrical structure.Setting can make the overall structure of coaxial double end centrifugal pump more in this way
Firm, operation is more steady.
It of courses, in other specific embodiments, the power connector in coaxial double end centrifugal pump of the invention may be used also
To be set as gear；Spiral case can also be connect by other connection modes with pedestal, such as, the two is directly connected by bolt
It connects；Spiral case can also set filling member as sealing structure with shaft junction；Bearing chamber in pedestal can be set as one not
Detachable overall structure；Pedestal can also carry out the adjustment of structure as needed；In addition, the coaxial double end centrifugal pump of the present invention
The impeller of middle both sides and the specific size of spiral case can be according to the two medias that it is conveyed to the different demands of flow and lift
It is configured, details are not described herein again.
Illustratively, as shown in Figures 1 to 4, the concrete application situation of the embodiment of coaxial double end centrifugal pump of the invention is such as
Under：
The installation of coaxial double end centrifugal pump：Shaft 7 equipped with a pair of bearings 6 is placed on the of the second sub- bearing chamber 922
In two sub- mounting portions, power connector 8 is installed, the first sub- bearing chamber 921 and the second sub- bearing chamber 922 are consolidated by bolt 15
Fixed connection sets a pair of of mechanical sealing member 4,11 in shaft 7, pump case is fixed on by connecting flange 5,10 on pedestal 9, pumps
Shell is sealed close to the junction of one end of power connector and shaft by mechanical sealing member, and blade 2,14 is respectively charged into pump
In body 1,13.
The use of coaxial double end centrifugal pump：Start power connector 8,8 drive shaft 7 of power connector rotates, and turns
Axis 7 drives the impeller 2,14 mounted on its both ends to rotate, the liquid where impeller 2,14 conveys it respectively in the pump housing 1,13, so as to
It realizes and independent pumping is carried out to two kinds of liquid by a centrifugal pump.
Certainly, in other embodiments, coaxial double end centrifugal pump of the invention can also be arranged to two Centrifugal Pumps
Different structures, i.e., the output flow or/and pressure of one pump are big, and the output flow or/and pressure of pump are small or into certain
Ratio, for meet different application requirement.
The coaxial double end centrifugal pump structure of the present invention is simple, compact, install convenient, occupies small volume, and mechanical loss
It is small, suitable for fresh water, seawater or other suitable media.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (8)
1. a kind of coaxial double end centrifugal pump, including pedestal, shaft, power connector and the pump housing；The shaft is rotationally set
It puts on the pedestal；The power connector is connect with the shaft, for the shaft to be driven to rotate；Described
The pump housing includes spiral case and impeller；It is characterized in that：
There are two the pump housing tools, and two pump housings share a shaft；
The power connector is located at the middle part of the shaft, and two cylinder arrangements are in the both sides of power connector；
A pair of bearings is further included, a pair of bearing is set in the shaft and is located at the both sides of the power connector,
For connecting the shaft and pedestal；
A pair of of spiral case be respectively sleeved at the both ends of the shaft and positioned at the power connector both sides, and with institute
Pedestal connection is stated, each spiral case has an interconnected import and one outlet；
A pair of of impeller is set in the both ends of the shaft, and in the spiral case, for by the import of the spiral case
The liquid at place is delivered to exit.
2. coaxial double end centrifugal pump as described in claim 1, it is characterised in that：
Two pump body structures are identical, are arranged symmetrically.
3. coaxial double end centrifugal pump as claimed in claim 2, it is characterised in that：
The spiral case includes the pump housing and pump cover, and the pump housing is equipped with the inlet and outlet, and the pump cover is described for closing
The pump housing connect the opening of side with shaft；
The spiral case is connect by connecting flange with the pedestal.
4. coaxial double end centrifugal pump as claimed in claim 3, it is characterised in that：
The spiral case and the junction of the shaft are equipped with mechanical sealing member.
5. coaxial double end centrifugal pump as claimed in claim 4, it is characterised in that：
The pedestal includes a bottom plate and a pair of of riser, and a pair of riser is oppositely arranged on the bottom plate, the riser and
Reinforcing rib is equipped between the bottom plate, a pair of bearing is separately positioned on a pair of riser；
A pair of bearing, a pair of spiral case, a pair of impeller are symmetricly set in the shaft.
6. coaxial double end centrifugal pump as claimed in claim 5, it is characterised in that：
The pedestal includes pedestal and bearing chamber, and the bearing chamber is arranged on the pedestal, and the bearing chamber includes detachable
The the first sub- bearing chamber and the second sub- bearing chamber of connection, the first sub- bearing chamber are equipped with the first son peace for installing bearing
Dress portion, the second sub- bearing chamber are equipped with the second sub- mounting portion for installing bearing, the first sub- mounting portion and second
Sub- mounting portion is collectively formed one for installing the mounting portion of bearing.
7. coaxial double end centrifugal pump as described in any of claims 6, it is characterised in that：
The power connector is belt wheel or gear.
8. coaxial double end centrifugal pump as claimed in claim 6, it is characterised in that：
The output flow of two pump housings and the proportional relationship of pressure parameter, for meeting different output flows and pressure
It is required that.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119482.8A CN108194382B (en) | 2016-12-08 | 2016-12-08 | Coaxial double-head centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119482.8A CN108194382B (en) | 2016-12-08 | 2016-12-08 | Coaxial double-head centrifugal pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108194382A true CN108194382A (en) | 2018-06-22 |
| CN108194382B CN108194382B (en) | 2021-01-08 |
Family
ID=62572361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119482.8A Active CN108194382B (en) | 2016-12-08 | 2016-12-08 | Coaxial double-head centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194382B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345081A (en) * | 2019-06-25 | 2019-10-18 | 苏州佳瓦智能科技有限公司 | A kind of double end centrifugal pump |
| CN112762023A (en) * | 2021-01-11 | 2021-05-07 | 兰州理工大学 | Integrated one-way transmission oil-gas mixed transportation pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07317693A (en) * | 1994-05-25 | 1995-12-05 | Matsushita Electric Ind Co Ltd | Fluid drive pump |
| JPH0886296A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | pump |
| CN201025270Y (en) * | 2006-12-04 | 2008-02-20 | 上海连成（集团）有限公司 | A water pump bearing room easy to dismantle |
| CN101676567A (en) * | 2008-09-16 | 2010-03-24 | 李维熙 | Symmetrical balance centrifugal double horizontal pump |
| CN203297108U (en) * | 2013-04-26 | 2013-11-20 | 胡道明 | Motor magnetic drive pump |
| CN203835754U (en) * | 2014-04-16 | 2014-09-17 | 永盛阀类有限公司 | Fan unit with reduction mechanism |
| CN104131982A (en) * | 2014-07-18 | 2014-11-05 | 柳州桂变整流科技有限公司 | Oil pump for special transformer and integrated special rectifying device |
-
2016
- 2016-12-08 CN CN201611119482.8A patent/CN108194382B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07317693A (en) * | 1994-05-25 | 1995-12-05 | Matsushita Electric Ind Co Ltd | Fluid drive pump |
| JPH0886296A (en) * | 1994-09-19 | 1996-04-02 | Hitachi Ltd | pump |
| CN201025270Y (en) * | 2006-12-04 | 2008-02-20 | 上海连成（集团）有限公司 | A water pump bearing room easy to dismantle |
| CN101676567A (en) * | 2008-09-16 | 2010-03-24 | 李维熙 | Symmetrical balance centrifugal double horizontal pump |
| CN203297108U (en) * | 2013-04-26 | 2013-11-20 | 胡道明 | Motor magnetic drive pump |
| CN203835754U (en) * | 2014-04-16 | 2014-09-17 | 永盛阀类有限公司 | Fan unit with reduction mechanism |
| CN104131982A (en) * | 2014-07-18 | 2014-11-05 | 柳州桂变整流科技有限公司 | Oil pump for special transformer and integrated special rectifying device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345081A (en) * | 2019-06-25 | 2019-10-18 | 苏州佳瓦智能科技有限公司 | A kind of double end centrifugal pump |
| CN112762023A (en) * | 2021-01-11 | 2021-05-07 | 兰州理工大学 | Integrated one-way transmission oil-gas mixed transportation pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108194382B (en) | 2021-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102192141B (en) | Outer ring driven gerotor pump | |
| GB2431204A (en) | Pump assembly | |
| CN105464998B (en) | Screw lifting combined agricultural water pump | |
| CN105604959B (en) | Powershift combined agricultural water pump | |
| CN108194382A (en) | Coaxial double end centrifugal pump | |
| CN208734564U (en) | A double outlet water pump | |
| JP5654308B2 (en) | Impeller for submersible pump and submersible pump | |
| CN102367799A (en) | Spiral pipe pump | |
| KR102653277B1 (en) | Bent axis hydraulic pump with centrifugal assistance | |
| CN215927800U (en) | Horizontal sewage pump | |
| US11808265B2 (en) | Energy-conserving fluid pump | |
| US20040191092A1 (en) | Multiple pump housing | |
| CN207715391U (en) | The multi-functional compound pumping installations of new construction | |
| CN204646702U (en) | A kind of draining pump | |
| RU196841U1 (en) | Three-section electric pump unit | |
| CN208778325U (en) | A kind of centrifugal pump | |
| KR101898504B1 (en) | Spurt pump having double suction type impeller | |
| JP2015038356A (en) | Impeller for submerged pump and submerged pump | |
| CN206360883U (en) | GR high pressure screw pumps | |
| CN206234132U (en) | Double fluid is to adjustable mining flame-proof type submersible sand discharging pump | |
| CN203641113U (en) | Water inlet structure of submerged pump | |
| CN215486648U (en) | Submerged multipurpose slurry pump system single-suction centrifugal pump | |
| CN107939698A (en) | A kind of multi-functional compound pumping installations of new construction | |
| CN108999790A (en) | A kind of double outlets water pump | |
| CN210565009U (en) | Water pump with adjustable flow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |