CN108194378A - Multistage rotation tubular tye axial flow pump - Google Patents
Multistage rotation tubular tye axial flow pump Download PDFInfo
- Publication number
- CN108194378A CN108194378A CN201810254597.0A CN201810254597A CN108194378A CN 108194378 A CN108194378 A CN 108194378A CN 201810254597 A CN201810254597 A CN 201810254597A CN 108194378 A CN108194378 A CN 108194378A
- Authority
- CN
- China
- Prior art keywords
- central siphon
- fixed
- blade
- axial flow
- outlet pipe
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
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
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
-
- 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
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial 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
Multistage rotation tubular tye axial flow pump, including driving motor, pump case and the water delivery component being set in pump case, central siphon both ends respectively with fixed water inlet pipe, fixed outlet pipe perforation connection, water delivery component and pump case form rotation water delivery unit by driving motor, pump case is hollow central siphon, water delivery component is included along four groups of axial arranged blade units of central siphon, blade unit is to be set to shaft tube inner wall and one group of blade of circular array, the both ends of central siphon and fixed water inlet pipe, dynamic sealing unit is both provided between fixed outlet pipe, central siphon is connected by the driving end of transmission device and driving motor, support rotary components are additionally provided on central siphon, reduce the resistance that central siphon conveys flow, the lift of water can either be improved, also maintain high flow capacity.
Description
Technical field
The invention belongs to dynamical type pump technical fields, are related to axial-flow pump, specially multistage rotation tubular tye axial flow pump.
Background technology
The cardinal principle of existing axial-flow pump be in a pump case setting one impeller being set in shaft, shaft with
The power output end connection of motor makes liquid convey in an axial direction, is mainly used in some irrigation and drainage by the rotation of motor impeller
It stands or the large area draining of low lying areas.In design generally all using high flow capacity, low lift, reason is existing axial-flow pump
Axial-flow pump design in lift once increase, efficiency will decline, but in some special cases quickly, as water consumption is larger
Factory (power plant etc.) it is big apart from water head site drop, not only needed big flow but also needed high lift, then the low of existing axial-flow pump is raised
Cheng Buneng meets requirement, therefore, design one kind can increase lift, will not also cause flow-reduction axis pump become there is an urgent need for
It solves the problems, such as.
Invention content
It is compact-sized reasonable the present invention provides multi-level tubular axial-flow pump to solve the problems, such as the presence of the prior art, make
With in extensive range, lift can be increased, also maintain high flow capacity, working efficiency is significantly improved.
The specific technical solution of the present invention is：
Multistage rotation tubular tye axial flow pump, including driving motor, pump case and the water delivery component being set in pump case, central siphon both ends point
It not being connected with fixed water inlet pipe, fixed outlet pipe perforation, water delivery component and pump case form rotation water delivery unit by driving motor,
It is critical that the pump case is hollow central siphon, the water delivery component is included along one group of axial arranged blade list of central siphon
Member, blade unit are to be set to shaft tube inner wall and one group of blade of circular array, and the both ends of the central siphon intake with fixed
Dynamic sealing unit is both provided between pipe, fixed outlet pipe, central siphon is connected by the driving end of transmission device and driving motor, institute
Support rotary components are additionally provided on the central siphon stated.
The conveying assembly includes four along the axial arranged blade unit of central siphon.
Blade in adjacent blades unit is along the circumferential direction staggered.
The inner wall of the fixed water inlet pipe is stepped and end is provided with first annular cavity, support rotation
Component includes the clutch shaft bearing being set in first annular cavity, and one end of the central siphon is sheathed in clutch shaft bearing axis hole,
Sealing structure is formed by dynamic sealing unit and central siphon respectively positioned at the both sides of first annular cavity on fixed water inlet pipe, it is described
Fixed seat is provided with below fixed water inlet pipe.
The structure of the fixation outlet pipe is identical with fixed water inlet pipe, and the inner wall of the fixation outlet pipe is stepped
And end is provided with the second toroidal cavity, the support rotary components include the second axis being set in the second toroidal cavity
It holds, the other end of the central siphon is sheathed in second bearing axis hole, and the both sides of the second toroidal cavity are located on fixed outlet pipe
Sealing structure is formed by dynamic sealing unit and central siphon respectively, fixed seat is provided with below the fixation outlet pipe.
The transmission device includes driving wheel, driven wheel and belt, and the driving wheel is installed on the defeated of driving motor
Outlet, driven wheel are fixedly installed on the excircle of central siphon.
The dynamic sealing unit is outside framework oil seal structure or mechanical seal structure.
In the shape of a spiral, the ratio of the length L of blade and adjacent two interlobate air line distance S is 0.65- to the blade
0.75, the setting angle α of blade is 14 ° -80 °.
The beneficial effects of the invention are as follows：Pump case is set as central siphon by the present invention, is rotated with driving motor drive shaft tube, and
The shaft of impeller of the prior art is eliminated, but individually the blade on impeller is fixed on the inner wall of central siphon, makes blade
With central siphon common rotation to Water transport energy；Fixed water inlet pipe that central siphon is set by both ends, fixed outlet pipe support, and central siphon
On be provided with support rotary components, since central siphon rotates, be provided between central siphon and fixed water inlet pipe, fixed outlet pipe
Dynamic sealing unit.Between water and central siphon there is viscous force, water is driven to make rotating Vortex in central siphon rotary course, the blade in rotation
Energy is provided for water, water is made to be moved to water delivery direction, central siphon is short and is straight, without bending section or dead zone, relatively reduces water
To the resistance of flow during stream advance, reduce the energy loss of flow, flowing over flow using multistage blade structure
Energy is continuously increased in journey, increases lift, disclosure satisfy that a variety of requirements, the scope of application is wider；Support rotary components pair
Central siphon plays a supportive role and rotates for it, reduces central siphon friction, the rotating accuracy for ensureing central siphon rotation, the course of work is more
Add firm.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the left view of Fig. 1 central siphons.
In attached drawing, 1, central siphon, 2, blade, 3, fixed water inlet pipe, 301, first annular cavity, 4, fixed outlet pipe, 401,
Second toroidal cavity, 5, dynamic sealing unit, 6, clutch shaft bearing, 7, fixed seat, 8, second bearing, 9, belt, 10, driven wheel, 11
Pressing sleeve.
Specific embodiment
Multistage rotation tubular tye axial flow pump, including driving motor, pump case and the water delivery component being set in pump case, 1 both ends of central siphon
It is connected respectively with fixed water inlet pipe 3, the fixed perforation of outlet pipe 4, water delivery component and pump case form rotation water delivery by driving motor
Unit, it is important to, the pump case is hollow central siphon 1, and the water delivery component is included along one group of axial arranged leaf of central siphon 1
Blade unit, blade unit are to be set to 1 inner wall of central siphon and one group of blade 2 of circular array, and the both ends of the central siphon 1 are with consolidating
Determine to be both provided with dynamic sealing unit 5 between water inlet pipe 3, fixed outlet pipe 4, central siphon 1 by transmission device and driving motor drive
Moved end connects, and support rotary components are additionally provided on the central siphon 1.
Specific embodiment, as shown in Figs. 1-2, the transmission device include driving wheel, driven wheel 10 and belt 9, described
Driving wheel be installed on the output terminal of driving motor, driven wheel 9 is fixedly installed on the excircle of central siphon 1, belt transmission structure
Simply, shock and vibration can be mitigated, make operating more steady.
In use, the power of driving motor is transferred to driven wheel 10 by belt, driven wheel 10 drives central siphon 1 to rotate, and supports
Rotary components are used to support central siphon 1, reduce friction coefficient of the central siphon 1 in rotary course and ensure its rotating accuracy, support rotation
Turn component include clutch shaft bearing 6, second bearing 8,1 both ends of central siphon be respectively sleeved at clutch shaft bearing 6, second bearing 8 inner ring axis
Kong Zhong.And the outer ring of clutch shaft bearing 6 and fixed water inlet pipe 3 are affixed, the outer ring of second bearing 8 and fixed outlet pipe 4 are affixed, fixed
Water inlet pipe 3, fixed outlet pipe 4 are fixed both with respect to central siphon 1, and fixed water inlet pipe 3, fixed 4 lower end of outlet pipe are respectively provided with
There is fixed seat 7 to support entire axial-flow pump.
The rotation of central siphon 1 drives blade unit rotation, and flow is made to be sucked by fixed water inlet pipe 3 and by fixed 4 row of outlet pipe
Go out.The inner wall of wherein fixed water inlet pipe 3 is stepped and end is provided with first annular cavity 301, and clutch shaft bearing 6 is arranged on
In one toroidal cavity 301, the both ends of first annular cavity 301 are fixedly connected with the outer ring of clutch shaft bearing 6, on fixed water inlet pipe 3
The pressing sleeve 11 of clutch shaft bearing 6 is also fixed with, pressing sleeve 11 is arranged on the excircle of clutch shaft bearing 6, can make the peace of clutch shaft bearing 6
Dress is more secured, more steady reliable using process.One end of central siphon 1 passes through the stepped of clutch shaft bearing 6 and fixed water inlet pipe 3
Inner wall fitting, the both sides of first annular cavity 301 are located on fixed water inlet pipe 3 respectively by dynamic sealing unit 5 and 1 shape of central siphon
Into sealing structure, the structure of fixed outlet pipe 4 is identical with fixed water inlet pipe 3, and the inner wall of the fixation outlet pipe 4 is stepped
And end is provided with the second toroidal cavity 401, second bearing 8 is set in the second toroidal cavity 401, the second toroidal cavity 401
Both ends and the outer ring of second bearing 8 grip, the pressing sleeve 11 of second bearing 8, pressing sleeve 11 are also fixed on fixed outlet pipe 4
It is arranged on the excircle of second bearing 8, being more firmly mounted for second bearing 8 can be made, it is more steady reliable using process.
The other end of central siphon 1 passes through second bearing 8 and the stair-stepping inner wall of fixed outlet pipe 4 be bondeds, and the is located on fixation outlet pipe 4
The both sides of second ring cavity 401 form sealing structure by dynamic sealing unit 5 and central siphon 1 respectively, make central siphon 1 both can be relative to
Fixed water inlet pipe 3, fixed outlet pipe 4 rotate, and can guarantee good seal, prevent flow from revealing.Used dynamic sealing unit 5
For outside framework oil seal structure or mechanical seal structure, the rotating seal ring in the present embodiment in selected as outside framework oil seal structure.
Four blade units of selection setting in the present embodiment, the axial direction of blade unit along central siphon 1 is set and adjacent blades list
Gap is provided between member.Whole blade units is driven to rotate simultaneously when central siphon 1 rotates, flow gradually flows through central siphon 1 and owns
Blade unit, segmentation supercharging, speedup so that flow pressure energy increase, lift can either be increased, moreover it is possible to keep stream
It measures constant.Blade 2 in adjacent blades unit is along the circumferential direction staggered, all blades 2 not on same center line,
Further increase blade 2 to flow forward energy.Blade unit includes 3-5 blade 2, a blade unit in this implementation
Include 3 blades 2.
In the shape of a spiral, the ratio of the air line distance S between the length L of blade 2 and adjacent blades 2 is 0.65 to 0.75 to blade 2,
Optimal is 0.7, and the setting angle α of blade 2 is 14 ° -80 °, and optimal is 16 °, and the blade 2 designed according to this can in rotary course
Preferably flow is made to be conveyed along blade 2, effectively improve the conveying capacity of water.
The blade by impeller in the prior art that the present invention creates is fixed on the inner wall of central siphon 1, eliminates driving
The mode of motor driven impeller rotation, and driving motor drive shaft tube 1 is used to rotate, central siphon 1 revolves the viscous force of water in central siphon 1
Water rotation is driven during turning, is fed forward convenient for water along blade 2, is increased the forward energy of flow, improve flow lift,
And the blade unit of multistage setting in time pushes forward flow, and the flow of water, axial-flow pump of the invention has been effectively ensured
It is simple in structure, making easy to process, not only with high lift, additionally it is possible to water is kept not reduce, overcomes various complicated,
With the more extensive scope of application.
Claims (8)
1. multistage rotation tubular tye axial flow pump, including driving motor, pump case and the water delivery component being set in pump case, central siphon (1) both ends
It penetrates through and connects with fixed water inlet pipe (3), fixed outlet pipe (4) respectively, water delivery component and pump case are formed by driving motor and rotated
Water delivery unit, it is characterised in that：The pump case is hollow central siphon (1), and the water delivery component includes axial along central siphon (1)
One group of blade unit of arrangement, blade unit is one group of blade (2) for being set to central siphon (1) inner wall and circular array, described
The both ends of central siphon (1) and fixed water inlet pipe (3), fixed outlet pipe (4) between be both provided with dynamic sealing unit (5), central siphon (1)
It is connected by the driving end of transmission device and driving motor, support rotary components is additionally provided on the central siphon (1).
2. multistage rotation tubular tye axial flow pump according to claim 1, it is characterised in that：The conveying assembly includes four edges
The axial arranged blade unit of central siphon (1).
3. multistage rotation tubular tye axial flow pump according to claim 2, it is characterised in that：Blade (2) in adjacent blades unit
Along the circumferential direction it is staggered.
4. multistage rotation tubular tye axial flow pump according to claim 1, it is characterised in that：The fixed water inlet pipe (3) it is interior
Wall is stepped and end is provided with first annular cavity (301), and the support rotary components include being set to first annular
Clutch shaft bearing (6) in cavity (301), one end of the central siphon (1) are sheathed in clutch shaft bearing (6) axis hole, fixed water inlet
It manages and forms sealing structure by dynamic sealing unit (5) and central siphon (1) respectively positioned at the both sides of first annular cavity (301) on (3),
Fixed seat (7) is provided with below the fixed water inlet pipe (3).
5. multistage rotation tubular tye axial flow pump according to claim 4, it is characterised in that：The knot of the fixation outlet pipe (4)
Structure is identical with fixed water inlet pipe (3), and the inner wall of the fixation outlet pipe (4) is stepped and end is provided with the second annular sky
Chamber (401), the support rotary components include the second bearing (8) being set in the second toroidal cavity (401), the axis
The other end of pipe (1) is sheathed in second bearing (8) axis hole, is located at the two of the second toroidal cavity (401) on fixed outlet pipe (4)
Side forms sealing structure by dynamic sealing unit (5) and central siphon (1) respectively, is provided with below the fixation outlet pipe (4) solid
Reservation (7).
6. multistage rotation tubular tye axial flow pump according to claim 1, it is characterised in that：The transmission device is included actively
Wheel, driven wheel (10) and belt (9), the driving wheel are installed on the output terminal of driving motor, driven wheel (10) fixed setting
In on the excircle of central siphon (1).
7. multistage rotation tubular tye axial flow pump according to claim 1, it is characterised in that：The dynamic sealing unit (5) is bone
Frame oil enveloping structure or mechanical seal structure.
8. multistage rotation tubular tye axial flow pump according to claim 1, it is characterised in that：The blade (2) in the shape of a spiral, leaf
The ratio of air line distance S between the length L of piece (2) and adjacent blades (2) is 0.65-0.75, and the setting angle α of blade (2) is
14°-80°。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254597.0A CN108194378A (en) | 2018-03-26 | 2018-03-26 | Multistage rotation tubular tye axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810254597.0A CN108194378A (en) | 2018-03-26 | 2018-03-26 | Multistage rotation tubular tye axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108194378A true CN108194378A (en) | 2018-06-22 |
Family
ID=62596138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810254597.0A Pending CN108194378A (en) | 2018-03-26 | 2018-03-26 | Multistage rotation tubular tye axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108194378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176596A (en) * | 2020-10-22 | 2021-01-05 | 江西中亚科技有限公司 | Full self-cleaning equipment of environment-friendly trade mark cloth with retrieve structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419388A (en) * | 1990-05-14 | 1992-01-23 | Shigemitsu Fujii | Screw pump |
| JPH09175486A (en) * | 1995-12-27 | 1997-07-08 | Fujita Corp | Ship propulsion device |
| JP2001082372A (en) * | 1999-09-17 | 2001-03-27 | Aoba Concrete Kogyo Kk | Cylinder type pump |
| JP2006097494A (en) * | 2004-09-28 | 2006-04-13 | Bay City Service Co Ltd | Electric pump |
| CN205225763U (en) * | 2015-12-23 | 2016-05-11 | 西华大学 | Shaftless pump |
| CN107503959A (en) * | 2017-09-30 | 2017-12-22 | 西北工业大学 | A kind of shaftless blower fan of gear-rack drive formula |
| CN207647795U (en) * | 2018-03-26 | 2018-07-24 | 石家庄开发区石泵泵业有限公司 | Multistage rotation tubular tye axial flow pump |
-
2018
- 2018-03-26 CN CN201810254597.0A patent/CN108194378A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419388A (en) * | 1990-05-14 | 1992-01-23 | Shigemitsu Fujii | Screw pump |
| JPH09175486A (en) * | 1995-12-27 | 1997-07-08 | Fujita Corp | Ship propulsion device |
| JP2001082372A (en) * | 1999-09-17 | 2001-03-27 | Aoba Concrete Kogyo Kk | Cylinder type pump |
| JP2006097494A (en) * | 2004-09-28 | 2006-04-13 | Bay City Service Co Ltd | Electric pump |
| CN205225763U (en) * | 2015-12-23 | 2016-05-11 | 西华大学 | Shaftless pump |
| CN107503959A (en) * | 2017-09-30 | 2017-12-22 | 西北工业大学 | A kind of shaftless blower fan of gear-rack drive formula |
| CN207647795U (en) * | 2018-03-26 | 2018-07-24 | 石家庄开发区石泵泵业有限公司 | Multistage rotation tubular tye axial flow pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176596A (en) * | 2020-10-22 | 2021-01-05 | 江西中亚科技有限公司 | Full self-cleaning equipment of environment-friendly trade mark cloth with retrieve structure |
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