CN108730199A - A kind of single motor driving pumps axial flow rotary - Google Patents
A kind of single motor driving pumps axial flow rotary Download PDFInfo
- Publication number
- CN108730199A CN108730199A CN201810335735.8A CN201810335735A CN108730199A CN 108730199 A CN108730199 A CN 108730199A CN 201810335735 A CN201810335735 A CN 201810335735A CN 108730199 A CN108730199 A CN 108730199A
- Authority
- CN
- China
- Prior art keywords
- impeller
- preposition
- bevel gear
- hub
- postposition
- 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
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
-
- 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
- F04D29/18—Rotors
- F04D29/185—Rotors consisting of a plurality of wheels
-
- 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
- F04D29/20—Mounting rotors on 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
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/648—Mounting; Assembling; Disassembling of 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
The present invention relates to a kind of being pumped to axial flow rotary for single motor driving, including work drive motor and transmission main shaft, transmission main shaft is sequentially installed with fair water cone, preposition impeller, postposition impeller and fixed guide vane on the direction from pump inlet to pump discharge, preposition impeller is mounted on preposition impeller hub, and transmission main shaft drives preposition impeller to be rotated towards direction identical with transmission main shaft rotation direction by preposition impeller hub；Postposition impeller is mounted on postposition impeller hub, fixed guide vane is mounted on fixed guide vane wheel hub, fair water cone, preposition impeller hub, postposition impeller hub and fixed guide vane hub interior constitute closed cavity, bevel gear set transmission device is installed, transmission main shaft drives postposition impeller court to be rotated in the opposite direction with preposition wheel rotation side by bevel gear set transmission device in cavity.Apparatus of the present invention are compact-sized, the gap between Impeller is small, and axial dimension is small, and flow is big, lift is high, is with a wide range of applications.
Description
Technical field
The present invention relates to the pumping axial flow rotary of a kind of single motor driving, are suitable for single shaft-driven structure to axial flow rotary pump
Design.
Background technology
Water is a kind of limited and irreplaceable basic resource, it directly affect productivity development and city it is emerging
Decline, therefore paid much attention to by countries in the world, and municipal water facilities be urban construction and development important infrastructure it
One.As important energy conversion device, pump class product plays an important role in the development of the national economy.Axial-flow pump is as leaf
One kind of wheel mechanical has the characteristics of low lift, big flow, with the rapid development of national economy and Defence business, to axis stream
The performance requirement of pump is higher and higher.It is by the stator before rotor of traditional axial flow pump to axial flow rotary pump compared with traditional single stage axial-flow pump
It is replaced with postposition movable vane, axial-flow pump obtained from front and rear impeller reversely rotates.Postposition impeller can not only recycle preposition impeller
The kinetic energy of outlet, while liquid stream secondary operation is given, thus there are the spies such as small, lift is high, cavitation performance is good to axial flow rotary pump
Point.
It is domestic at present there was only two methods of two built-in electric motors formula and bi-motor external to axial flow rotary pump technology through retrieval.
For electric motor built-in：To realize to revolving function, motor need to be placed in runner, occupancy volume is big, and hydraulic loss is big, right
It is very high to seal waterproof electric leakage requirement, and the gap between impeller is big, refers to publication number：CN 1319727A；；For external motor type：
Due to the both sides for needing for motor to be mounted on pump, occupancy volume is big, and there are two 90 degree of corners, hydraulic losses for inner flow passage
Greatly, publication number is referred to：CN 1319726A.
Invention content
It is an object of the invention on the axial-flow pump architecture basics of the external driving of traditional single motor, by by driving parts
It is placed in inside fixed guide vane wheel hub and impeller hub, makes full use of the space in wheel hub, realize Impeller to rotation.
For achieving the above object, the technical solution that the present invention takes is：A kind of single motor driving pumps axial flow rotary,
Including work drive motor and transmission main shaft, the transmission main shaft be sequentially installed on the direction from pump inlet to pump discharge fair water cone,
Preposition impeller, postposition impeller and fixed guide vane, the preposition impeller are mounted on preposition impeller hub, and the transmission main shaft passes through
The preposition impeller hub drives the preposition impeller to be rotated towards direction identical with the transmission main shaft rotation direction；After described
Impeller is set on the postposition impeller hub, the fixed guide vane is mounted on fixed guide vane wheel hub, the fair water cone, it is described before
It sets impeller hub, the postposition impeller hub and the fixed guide vane hub interior and constitutes closed cavity, pacify in the cavity
Equipped with bevel gear set transmission device, the transmission main shaft by the bevel gear set transmission device drive the postposition impeller towards with
The preposition wheel rotation side rotates in the opposite direction.
In said program, the bevel gear set transmission device includes the first drive bevel gear and tooth rest, and described first passes
Dynamic bevel gear is keyed with the transmission main shaft, and the tooth rest is fixed on the inner wall of fixed guide vane wheel hub, the tooth rest
On the second drive bevel gear is installed, second drive bevel gear simultaneously with first drive bevel gear and hollow transmission cone
Gear engages, and the hollow drive bevel gear is fixed on by the first fastening bolt on the postposition impeller hub.
In said program, the preposition impeller is mounted on by the first adjusting nut on the preposition impeller hub；It is described
Postposition impeller is mounted on by the second adjusting nut on the postposition impeller hub.
In said program, the fair water cone is internally provided with equal studs, described to wait studs one end and the water conservancy diversion
Cap is connected by round nut, and other end is threadedly attached in on fair water cone fastener, and described and fair water cone fastener is logical
The second trip bolt is crossed to be fixed on the preposition impeller hub.
In said program, the postposition impeller hub is equipped with holder and support ring on the wall surface in cavity, described
Hollow drive bevel gear is fixed on the bracket by the first fastening bolt, and the support ring is fixed by third fastening bolt
It sets on the inner wall of impeller hub in the rear, deep groove ball bearing is installed between the support ring and the transmission main shaft.
In said program, washer, the pad are equipped with by the 4th fastening bolt on the inner wall of the fixed guide vane wheel hub
It is sequentially installed with spring washer and Lower shaft sleeve between circle and the transmission main shaft.
Beneficial effects of the present invention：（1）A kind of list is shaft-driven to pump axial flow rotary, and driving parts, which are mounted on fixation, leads
In the hollow wheel hub of leaf and impeller, space is made full use of, compact-sized, hydraulic loss is small, the gap between Impeller is small, axial
Size is small.（2）The present invention provides the direction of rotation that power can change Impeller by a motor, can widen pump operation
High efficient district；By improving the inlet pressure of main impeller, the cavitation performance of pump is improved, the lift of axial-flow pump is improved；By subtracting
The impact loss of small impeller improves the operational efficiency of pump.
Description of the drawings
Fig. 1 is a kind of uniaxial driving of the present invention to axial flow rotary pump work schematic diagram.
Fig. 2 is that a kind of uniaxial driving of the present invention pumps internal structure schematic diagram to axial flow rotary.
In figure：1. work drive motor, 2. pump discharges, 3. fixed guide vanes, 4. postposition impellers, 5. preposition impellers, 6. pump inlets, 7.
Fair water cone, 8. transmission shafts, 9. fixed guide vane wheel hubs, 10. preposition impeller hubs, 11. washers, 12. spring washers, 13. the 4th are tightly
Fixing bolt, 14. Lower shaft sleeves, 15. first drive bevel gears, 16. second drive bevel gears, 17. hollow drive bevel gears, 18. teeth
Wheel carrier, 20. holders, 21. first fastening bolts, 22. second adjusting nuts, 23. deep groove ball bearings, 24. support rings, 26.
Three fastening bolts, 28. fair water cone fasteners, 29. first adjusting nuts, 30. second trip bolts, the studs such as 31., 32.
Postposition impeller hub, 33. round nuts.
Specific implementation mode
Below in conjunction with the accompanying drawings, technical scheme of the present invention is described further.
As shown in Figure 1, a kind of uniaxial driving of the present invention includes to axial flow rotary pump configuration design work schematic diagram：Work electricity
Machine 1, pump discharge 2, fixed guide vane 3, postposition impeller 4, preposition impeller 5, pump inlet 6, fair water cone 7, transmission shaft 8.Liquid from pump into
Mouth 6 enters, and after preposition impeller 5 and postposition impeller 4 do work, is flowed out by pump discharge 2.The steering of preposition impeller 5 and 8 phase of transmission shaft
Together, the steering of postposition impeller 4 is opposite with preposition impeller 5.
As shown in Fig. 2, a kind of uniaxial driving of the present invention includes to axial flow rotary pump design diagram：Work drive motor 1 pumps out
Mouthfuls 2, fixed guide vane 3, postposition impeller 4, preposition impeller 5, pump inlet 6, fair water cone 7, transmission shaft 8, fixed guide vane wheel hub 9, preposition
Impeller hub 10, washer 11, spring washer 12, the 4th fastening bolt 13, Lower shaft sleeve 14, the first drive bevel gear 15, second pass
Dynamic bevel gear 16, hollow drive bevel gear 17, tooth rest 18, holder 20, the first fastening bolt 21, the second adjusting nut 22, depth
Ditch ball bearing 23, support ring 24, third fastening bolt 26, fair water cone fastener 28, the first adjusting nut 29, the second trip bolt
30, studs 31, postposition impeller hub 32 and the round nut 33 such as.The preposition impeller 5 is mounted on preposition impeller hub 10,
The transmission main shaft 8 by the preposition impeller hub 10 drive the preposition impeller 5 towards with 8 rotation direction of the transmission main shaft
Identical direction rotation；The postposition impeller 4 is mounted on postposition impeller hub 32, and the fixed guide vane 3 is mounted on fixation and leads
On impeller boss 9, the fair water cone 7, the preposition impeller hub 10, the postposition impeller hub 32 and the fixed guide vane wheel hub
9 Inner Constitutions closed cavity is equipped with bevel gear set transmission device in the cavity, and the transmission main shaft 8 passes through the cone
Gear set transmission device drives the postposition impeller 4 to be rotated towards the direction opposite with 5 rotation direction of preposition impeller.Wherein,
The top of transmission shaft 8 is connected through a screw thread to be connect with fair water cone fastener 28, and fair water cone fastener 28 passes through the second trip bolt
30 are fixed on the inner wall wheel hub of preposition impeller 5.31 one end of equal studs is threadedly attached on fair water cone fastener 28,
The other end is connected through a screw thread with fair water cone 7, is fixed using round nut 33 outside fair water cone.Transmission shaft 8 close to pump into
Mouth one end drives preposition impeller 5 to rotate by key, passes through in preposition impeller and adjusts the first adjusting nut 29 adjustment blade angle.
Support ring 24 is connected to by third fastening bolt 26 on the inner wall boss of 4 wheel hub of postposition impeller, and the number of threaded hole is 4 ~ 8
A, the number of the inner wall boss of corresponding 4 wheel hub of postposition impeller is also 4 ~ 8；Pass through zanjon between support ring 24 and transmission shaft 8
Ball bearing 23 carries out radially fixed, and axial restraint is carried out by thrust bearing between 5 wheel hub of support ring 24 and preposition impeller.It is hollow
Drive bevel gear 17 is mounted on by the first fastening bolt 21 on the inner wall boss 20 of postposition impeller 4, and the number of boss is 4 ~ 8
A, the number of corresponding threaded hole is 4 ~ 8 in corresponding hollow drive bevel gear 17.Tooth rest 18 is connected through a screw thread fixation
On the inner wall of fixed guide vane wheel hub 9, the second drive bevel gear 16 is mounted on corresponding tooth on tooth rest 18 by sliding bearing
On wheel shaft, gear shaft is structure as a whole with tooth rest, and the number of gear shaft is 3 ~ 6, corresponding second drive bevel gear 16
Number is also 3 ~ 6.First drive bevel gear 15 is mounted on by key on transmission shaft 8, and transmission shaft 8 is multi-diameter shaft form, is passed through
Axial restraint is carried out between the other side and deep groove ball bearing 23 of the first drive bevel gear of sleeve pair 15.Washer 11 is tight by the 4th
Fixing bolt 13 is fixed on the inner wall of fixed guide vane wheel hub 9, and washer 11 is followed successively by spring washer 12 and Lower shaft sleeve 14 inwards.It is fixed
Guide vane wheel hub 9 is sealed by sealing ring at pump discharge.
The action mechanism of the present embodiment is：Transmission shaft 8 directly drives preposition impeller 5 and the first drive bevel gear 15 by key
Rotation is mounted on the first drive bevel gear 15 on transmission shaft and drives the second drive bevel gear 16 rotation being mounted on tooth rest
Turning, power is passed to the hollow bevel gear 17 on postposition impeller inner wall by the second drive bevel gear 16 on tooth rest,
Hollow bevel gear 17 drives postposition impeller 4 to rotate, and keeps the steering of postposition impeller 4 opposite with preposition impeller 5.It is passed by adjusting first
Dynamic bevel gear 15, the second drive bevel gear 16, the diameter of hollow drive bevel gear 17, may be implemented to adjust preposition impeller 5
The different rotating ratio between postposition impeller 4.
Claims (6)
1. a kind of single motor driving pumps axial flow rotary, including work drive motor（1）And transmission main shaft（8）, which is characterized in that it is described
Transmission main shaft（8）From pump inlet（6）To pump discharge（2）Direction on be sequentially installed with fair water cone（7）, preposition impeller（5）, postposition
Impeller（4）And fixed guide vane（3）, the preposition impeller（5）Mounted on preposition impeller hub（10）On, the transmission main shaft（8）
Pass through the preposition impeller hub（10）Drive the preposition impeller（5）Court and the transmission main shaft（8）Rotation direction is identical
Direction rotates；The postposition impeller（4）Mounted on postposition impeller hub（32）On, the fixed guide vane（3）It is led mounted on fixation
Impeller boss（9）On, the fair water cone（7）, the preposition impeller hub（10）, the postposition impeller hub（32）With the fixation
Guide vane wheel hub（9）Inner Constitution closed cavity is equipped with bevel gear set transmission device, the transmission main shaft in the cavity
（8）The postposition impeller is driven by the bevel gear set transmission device（4）Court and the preposition impeller（5）Rotation direction is opposite
Direction rotation.
2. a kind of single motor driving according to claim 1 pumps axial flow rotary, which is characterized in that the bevel gear set passes
Dynamic device includes the first drive bevel gear（15）And tooth rest（18）, first drive bevel gear（15）With the transmission main shaft
（8）Key connection, the tooth rest（18）It is fixed on fixed guide vane wheel hub（9）Inner wall on, the tooth rest（18）On be equipped with
Second drive bevel gear（16）, second drive bevel gear（16）Simultaneously with first drive bevel gear（15）With hollow biography
Dynamic bevel gear（17）Engagement, the hollow drive bevel gear（17）Pass through the first fastening bolt（21）It is fixed on the postposition impeller
Wheel hub（32）On.
3. a kind of single motor driving according to claim 1 or 2 pumps axial flow rotary, which is characterized in that the preposition leaf
Wheel（5）Pass through the first adjusting nut（29）Mounted on the preposition impeller hub（10）On；The postposition impeller（4）Pass through second
Adjusting nut（22）Mounted on the postposition impeller hub（32）On.
4. a kind of single motor driving according to claim 1 or 2 pumps axial flow rotary, which is characterized in that the fair water cone
（7）It is internally provided with equal studs（31）, the equal studs（31）One end and the fair water cone（7）Pass through round nut（33）
Connection, other end are threadedly attached in and fair water cone fastener（28）On, described and fair water cone fastener（28）Pass through
Two trip bolts（30）It is fixed on the preposition impeller hub（10）On.
5. a kind of single motor driving according to claim 2 pumps axial flow rotary, which is characterized in that the postposition impeller wheel
Hub（32）Holder is equipped on the wall surface in cavity（20）And support ring（24）, the hollow drive bevel gear（17）Pass through
First fastening bolt（21）It is fixed on the holder（20）On, the support ring（24）Pass through third fastening bolt（26）It is fixed on
The postposition impeller hub（32）Inner wall on, the support ring（24）With the transmission main shaft（8）Between deep-groove ball is installed
Bearing（23）.
6. a kind of single motor driving according to claim 1 or 2 pumps axial flow rotary, which is characterized in that the fixation is led
Impeller boss（9）Inner wall on pass through the 4th fastening bolt（13）Washer is installed（11）, the washer（11）It is led with the transmission
Axis（8）Between be sequentially installed with spring washer（12）And Lower shaft sleeve（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335735.8A CN108730199A (en) | 2018-04-16 | 2018-04-16 | A kind of single motor driving pumps axial flow rotary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810335735.8A CN108730199A (en) | 2018-04-16 | 2018-04-16 | A kind of single motor driving pumps axial flow rotary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108730199A true CN108730199A (en) | 2018-11-02 |
Family
ID=63939662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810335735.8A Pending CN108730199A (en) | 2018-04-16 | 2018-04-16 | A kind of single motor driving pumps axial flow rotary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108730199A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486217A (en) * | 2019-07-19 | 2019-11-22 | 江苏大学 | A kind of convection rotary type Double-way axial flow pump turbine |
| CN111825157A (en) * | 2020-06-19 | 2020-10-27 | 江苏大学 | Disrotatory hydrodynamic cavitation device |
| CN112682315A (en) * | 2020-12-17 | 2021-04-20 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Bidirectional axial flow pump |
| CN112762021A (en) * | 2021-01-11 | 2021-05-07 | 兰州理工大学 | Integrated bidirectional transmission oil-gas mixed transmission pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942672A1 (en) * | 1989-12-22 | 1991-07-04 | Merz Josef | Marine craft jet drive - has pump with two rotors rotating in opposite directions |
| JPH04166698A (en) * | 1990-10-31 | 1992-06-12 | Mitsui Miike Mach Co Ltd | Contrarotating axial fan |
| CN2189226Y (en) * | 1994-01-20 | 1995-02-08 | 焦作矿业学院 | Energy saving ventilation fan for mining use |
| JPH0840374A (en) * | 1994-08-01 | 1996-02-13 | Sanshin Ind Co Ltd | Water jet propulsion unit |
| CN2660181Y (en) * | 2003-10-06 | 2004-12-01 | 高世久 | Butt rotator |
-
2018
- 2018-04-16 CN CN201810335735.8A patent/CN108730199A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3942672A1 (en) * | 1989-12-22 | 1991-07-04 | Merz Josef | Marine craft jet drive - has pump with two rotors rotating in opposite directions |
| JPH04166698A (en) * | 1990-10-31 | 1992-06-12 | Mitsui Miike Mach Co Ltd | Contrarotating axial fan |
| CN2189226Y (en) * | 1994-01-20 | 1995-02-08 | 焦作矿业学院 | Energy saving ventilation fan for mining use |
| JPH0840374A (en) * | 1994-08-01 | 1996-02-13 | Sanshin Ind Co Ltd | Water jet propulsion unit |
| CN2660181Y (en) * | 2003-10-06 | 2004-12-01 | 高世久 | Butt rotator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110486217A (en) * | 2019-07-19 | 2019-11-22 | 江苏大学 | A kind of convection rotary type Double-way axial flow pump turbine |
| CN110486217B (en) * | 2019-07-19 | 2020-12-22 | 利欧集团湖南泵业有限公司 | Disrotatory bidirectional axial flow water pump turbine |
| CN111825157A (en) * | 2020-06-19 | 2020-10-27 | 江苏大学 | Disrotatory hydrodynamic cavitation device |
| CN112682315A (en) * | 2020-12-17 | 2021-04-20 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Bidirectional axial flow pump |
| CN112762021A (en) * | 2021-01-11 | 2021-05-07 | 兰州理工大学 | Integrated bidirectional transmission oil-gas mixed transmission pump |
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Application publication date: 20181102 |