CN109441830A - Bi-motor two-step supercharging type centrifugal pump - Google Patents
Bi-motor two-step supercharging type centrifugal pump Download PDFInfo
- Publication number
- CN109441830A CN109441830A CN201811617684.4A CN201811617684A CN109441830A CN 109441830 A CN109441830 A CN 109441830A CN 201811617684 A CN201811617684 A CN 201811617684A CN 109441830 A CN109441830 A CN 109441830A
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- CN
- China
- Prior art keywords
- storehouse
- level
- centrifugal
- water pump
- pump cover
- 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.)
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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
- F04D1/08—Multi-stage pumps the stages being situated concentrically
-
- 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
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
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- 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 bi-motor two-step supercharging type centrifugal pumps, including water pump body, the water pump body includes base plate, water pump cover, pump cover, centrifugal impeller and driving motor, the water pump cover is fixedly mounted among the upper surface of the base plate, the driving motor includes level-one driving motor and secondary drive motor, the level-one driving motor and the secondary drive motor are located at the left and right sides of the water pump cover, the inside two sides of the water pump cover are respectively equipped with level-one pressurization storehouse and two-stage supercharging storehouse, the centrifugal impeller is vertically equipped with inside the level-one pressurization storehouse and the two-stage supercharging storehouse, the center of the centrifugal impeller is through connection impeller drive shaft, the impeller drive shaft is exported from the left and right sides wall of the water pump cover.By the above-mentioned means, the present invention enables to centrifugal pump to have the function of multi-stage booster, and the pressure loss of liquid is reduced on the conduction pathway between two-step supercharging structure.
Description
Technical field
The present invention relates to water pump fields, more particularly to a kind of bi-motor two-step supercharging type centrifugal pump.
Background technique
Water pump is the machinery for conveying liquid or being pressurized liquid, it transmits the mechanical energy of prime mover or other external energies
To liquid, increase liquid energy, is mainly used to convey liquid to include water, oil, acid & alkali liquid, emulsion, suspended emulsion and liquid gold
Belong to etc., the main distinction of water pump is that the lift of pump liter hydraulic pressure is of different sizes, and for the demand of fire-fighting domain, water pump needs are gathered around
There are enough water pumping lifts, to cope with the fire extinguishing situation that high-rise building catches fire, in the limited situation of power of motor, using the pump housing
The structure of internal multi-stage pressurization is come to improve hydraulic pressure be a kind of most commonly seen method, and multi-stage booster pump is in every grade of pressurized chamber
Due to the defect of flow channel for liquids structure during passing to, it will lead to the multiple impact between fluid and pump case and hydraulic pressure caused to damage
It loses, and the flow passage structure of improvement design pump body, the problem of inside water pressure is lost can be efficiently solved.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of bi-motor two-step supercharging type centrifugal pumps, enable to be centrifuged
Pump has the function of multi-stage booster, and the pressure loss of liquid is reduced on the conduction pathway between two-step supercharging structure.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: a kind of bi-motor two-step supercharging is provided
Type centrifugal pump, including water pump body, the water pump body include base plate, water pump cover, pump cover, centrifugal impeller and driving electricity
Machine, the water pump cover are fixedly mounted among the upper surface of the base plate, and the driving motor includes level-one driving motor
With secondary drive motor, the level-one driving motor and the secondary drive motor are located at the left and right two of the water pump cover
Side, the inside two sides of the water pump cover are respectively equipped with level-one pressurization storehouse and two-stage supercharging storehouse, the level-one pressurization storehouse and described
The centrifugal impeller is vertically equipped with inside two-stage supercharging storehouse, the center of the centrifugal impeller is through connection impeller drive shaft, institute
It states impeller drive shaft to export from the left and right sides wall of the water pump cover, the impeller-driven the tip of the axis and the level-one drive
Motor is connected with the secondary drive motor, and it is logical to be equipped with spiral transition between the level-one pressurization storehouse and the two-stage supercharging storehouse
Road, the spiral excessively channel includes centrifugal spiral pipeline and funneling shell, and the centrifugal spiral pipeline is tight in the shape of a spiral
It is attached on the inner wall of the funneling shell, the head end of the centrifugal spiral pipeline is connected to the level-one pressurization with tangential direction
The rear inner wall in storehouse, one end side wall in the two-stage supercharging storehouse open up secondary pressurized water inlet, the secondary pressurized water inlet with
The end of the centrifugal spiral pipeline connects, the water sucking mouth of centrifugal impeller described in the face of the water inlet rear end.
In a preferred embodiment of the present invention, the internal diameter of the funneling shell is pressurized storehouse to described two along the level-one
The direction in grade pressurization storehouse is gradually reduced, and the end of the centrifugal spiral pipeline is collected to form a straight tube pipe.
In a preferred embodiment of the present invention, the top two sides of the water pump cover are separately connected water inlet and water outlet
Mouthful, the water inlet and the water outlet are separately connected the pump cover.
In a preferred embodiment of the present invention, the inner wall in the level-one pressurization storehouse and the two-stage supercharging storehouse is along vertical side
To rounded volute structure, the water outlet lower end, which connects outlet conduit and with the volute type inner wall in the two-stage supercharging storehouse, is in
Tangential direction connection.
The beneficial effects of the present invention are: the invention enables centrifugal pumps to have the function of multi-stage booster, and in two-step supercharging
The pressure loss of liquid is reduced on conduction pathway between structure, main innovation structure is to be provided with first in the inside of the pump housing
The pressurized chamber of two autonomous workings, the principle being pressurized using centrifugal impeller will be by primary pressurized in level-one pressurization storehouse
During liquid conductive to two-stage supercharging storehouse, a kind of conduction pathway structure of innovative design is provided, which is to adopt
The water body that level-one is pressurized in storehouse is swimmingly conducted to two-stage supercharging storehouse with the mode of the helical pipe of the continuous reduction of internal diameter,
Effectively reduce the loss of hydraulic pressure.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural schematic diagram of one preferred embodiment of bi-motor two-step supercharging type centrifugal pump of the present invention；
The components in the drawings are labeled as follows: 1, water pump body；2, base plate；3, water pump cover；301, level-one is pressurized storehouse；302,
Two-stage supercharging storehouse；4, pump cover；5, centrifugal impeller；6, driving motor；601, level-one driving motor；602, secondary drive motor；7,
Impeller drive shaft；8, spiral excessive channel；9, centrifugal spiral pipeline；10, funneling shell；11, secondary pressurized water inlet；
12, water inlet；13, water outlet.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Referring to Fig. 1, the embodiment of the present invention includes:
A kind of bi-motor two-step supercharging type centrifugal pump, including water pump body 1, the water pump body 1 include base plate 2, water pump shell
Body 3, pump cover 4, centrifugal impeller 5 and driving motor 6, the water pump cover 3 are fixedly mounted in the upper surface of the base plate 2
Between, the driving motor 6 includes level-one driving motor 601 and secondary drive motor 602, the level-one driving motor 601 and institute
State the left and right sides that secondary drive motor 602 is located at the water pump cover 3, the inside two sides difference of the water pump cover 3
It is pressurized storehouse 301 and two-stage supercharging storehouse 302 equipped with level-one, is hung down inside the level-one pressurization storehouse 301 and the two-stage supercharging storehouse 302
Directly be equipped with the centrifugal impeller 5, the center of the centrifugal impeller 5 through connection impeller drive shaft 7, the impeller drive shaft 7 from
The left and right sides wall of the water pump cover 3 exports, the end of the impeller drive shaft 7 and the level-one driving motor 601 and institute
The connection of secondary drive motor 602 is stated, is equipped with spiral transition between the level-one pressurization storehouse 301 and the two-stage supercharging storehouse 302
Channel 8, the spiral excessively channel 8 includes centrifugal spiral pipeline 9 and funneling shell 10, and the centrifugal spiral pipeline 9 is in
Helical form is tightly attached on the inner wall of the funneling shell 10, and the head end of the centrifugal spiral pipeline 9 is connected to tangential direction
The rear inner wall in level-one pressurization storehouse 301, one end side wall in the two-stage supercharging storehouse 302 open up secondary pressurized water inlet 11,
The secondary pressurized water inlet 11 is connect with the end of the centrifugal spiral pipeline 9, described in the 11 rear end face of water inlet from
The water sucking mouth of lobus cardiacus wheel 5.
In addition, side of the internal diameter of the funneling shell 10 along level-one pressurization storehouse 301 to the two-stage supercharging storehouse 302
To being gradually reduced, the end of the centrifugal spiral pipeline 9 is collected to form a straight tube pipe.
In addition, the top two sides of the water pump cover 3 are separately connected water inlet 12 and water outlet 13,12 He of water inlet
The pump cover 4 is separately connected at the water outlet 13.
In addition, the inner wall in level-one pressurization storehouse 301 and the two-stage supercharging storehouse 302 rounded spiral case along the vertical direction
Structure, 13 lower end of water outlet connect outlet conduit and are in tangential direction with the volute type inner wall in the two-stage supercharging storehouse 302
Connection.
The operation principle of the present invention is that water pump body 1 includes base plate 2, water pump cover 3, pump cover 4, centrifugal impeller 5 and drives
Dynamic motor 6, water pump cover 3 are fixedly mounted among the upper surface of base plate 2, the top two sides of water pump cover 3 be separately connected into
It is separately connected pump cover 4 at the mouth of a river 12 and water outlet 13, water inlet 12 and water outlet 13, stating driving motor 6 includes level-one driving electricity
Machine 601 and secondary drive motor 602, level-one driving motor 601 and secondary drive motor 602 are located at a left side for water pump cover 3
Right two sides.
The inside two sides of water pump cover 3 are respectively equipped with level-one pressurization storehouse 301 and two-stage supercharging storehouse 302, and level-one is pressurized storehouse 301
With the inner wall in two-stage supercharging storehouse 302 rounded volute structure along the vertical direction, 13 lower end of water outlet connect outlet conduit and with
The volute type inner wall in two-stage supercharging storehouse 302 is connected in tangential direction, and level-one, which is pressurized inside storehouse 301 and two-stage supercharging storehouse 302, hangs down
Directly it is equipped with centrifugal impeller 5, the center of centrifugal impeller 5 is through connection impeller drive shaft 7, and impeller drive shaft 7 is from a left side for water pump cover 3
Right two sidewalls export.
The end of impeller drive shaft 7 is connect with level-one driving motor 601 and secondary drive motor 602, and level-one is pressurized storehouse 301
Spiral transition passage 8 is equipped between two-stage supercharging storehouse 302, spiral excessively channel 8 includes centrifugal spiral pipeline 9 and funnel
Formula shell 10, centrifugal spiral pipeline 9 are tightly attached in the shape of a spiral on the inner wall of funneling shell 10.
The internal diameter of funneling shell 10 is gradually reduced along the direction in level-one pressurization storehouse 301 to two-stage supercharging storehouse 302, is centrifuged spiral shell
The end in coil road 9 is collected to form a straight tube pipe, and the head end of centrifugal spiral pipeline 9 is connected to level-one pressurization storehouse with tangential direction
301 rear inner wall, one end side wall in two-stage supercharging storehouse 302 open up secondary pressurized water inlet 11, water inlet 11 and centrifugal spiral
The end of pipeline 9 connects, the water sucking mouth of 11 rear end face centrifugal impeller 5 of water inlet.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright description is applied directly or indirectly in other relevant technology necks
Domain is included within the scope of the present invention.
Claims (4)
1. a kind of bi-motor two-step supercharging type centrifugal pump, including water pump body, which is characterized in that the water pump body includes pedestal
Plate, water pump cover, pump cover, centrifugal impeller and driving motor, the water pump cover are fixedly mounted on the upper surface of the base plate
Centre, the driving motor include level-one driving motor and secondary drive motor, and the level-one driving motor and the second level are driven
Dynamic motor is located at the left and right sides of the water pump cover, and the inside two sides of the water pump cover are respectively equipped with level-one pressurization storehouse
With two-stage supercharging storehouse, be vertically equipped with the centrifugal impeller inside level-one pressurization storehouse and the two-stage supercharging storehouse, it is described from
The center of lobus cardiacus wheel is exported through connection impeller drive shaft, the impeller drive shaft from the left and right sides wall of the water pump cover,
The impeller-driven the tip of the axis is connect with the level-one driving motor and the secondary drive motor, level-one pressurization storehouse and
Spiral transition passage is equipped between the two-stage supercharging storehouse, the spiral excessively channel includes centrifugal spiral pipeline and funnel
Formula shell, the centrifugal spiral pipeline are tightly attached in the shape of a spiral on the inner wall of the funneling shell, the centrifugal spiral pipeline
Head end the rear inner wall in level-one pressurization storehouse is connected to tangential direction, one end side wall in the two-stage supercharging storehouse opens up two
Secondary pressurization water inlet, the secondary pressurized water inlet are connect with the end of the centrifugal spiral pipeline, are rectified after the water inlet
To the water sucking mouth of the centrifugal impeller.
2. bi-motor two-step supercharging type centrifugal pump according to claim 1, which is characterized in that the funneling shell it is interior
Diameter is gradually reduced along the direction in the level-one pressurization storehouse to the two-stage supercharging storehouse, and shape is collected in the end of the centrifugal spiral pipeline
At a straight tube pipe.
3. bi-motor two-step supercharging type centrifugal pump according to claim 1, which is characterized in that the top of the water pump cover
Two sides are separately connected inlet and outlet, and the water inlet and the water outlet are separately connected the pump cover.
4. bi-motor two-step supercharging type centrifugal pump according to claim 1, which is characterized in that the level-one pressurization storehouse and institute
State the inner wall in two-stage supercharging storehouse rounded volute structure along the vertical direction, the water outlet lower end connect outlet conduit and with institute
The volute type inner wall for stating two-stage supercharging storehouse is connected in tangential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617684.4A CN109441830A (en) | 2018-12-28 | 2018-12-28 | Bi-motor two-step supercharging type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617684.4A CN109441830A (en) | 2018-12-28 | 2018-12-28 | Bi-motor two-step supercharging type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441830A true CN109441830A (en) | 2019-03-08 |
Family
ID=65540351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617684.4A Withdrawn CN109441830A (en) | 2018-12-28 | 2018-12-28 | Bi-motor two-step supercharging type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109441830A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685929A (en) * | 2019-11-14 | 2020-01-14 | 合肥恒大江海泵业股份有限公司 | Mining submersible electric pump |
| CN113464445A (en) * | 2021-07-16 | 2021-10-01 | 浙江大学 | Modularized integrated low-noise centrifugal pump and design method thereof |
-
2018
- 2018-12-28 CN CN201811617684.4A patent/CN109441830A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110685929A (en) * | 2019-11-14 | 2020-01-14 | 合肥恒大江海泵业股份有限公司 | Mining submersible electric pump |
| CN113464445A (en) * | 2021-07-16 | 2021-10-01 | 浙江大学 | Modularized integrated low-noise centrifugal pump and design method thereof |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |