CN206360895U - A kind of Contiuum type model test pump installation - Google Patents
A kind of Contiuum type model test pump installation Download PDFInfo
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- CN206360895U CN206360895U CN201621095851.XU CN201621095851U CN206360895U CN 206360895 U CN206360895 U CN 206360895U CN 201621095851 U CN201621095851 U CN 201621095851U CN 206360895 U CN206360895 U CN 206360895U
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- flow channel
- water inlet
- inlet flow
- water
- outlet passage
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Abstract
A kind of Contiuum type model test pump installation, including water inlet flow channel, water pump and outlet passage, water inlet flow channel outlet section（3）Top sets outlet passage inducer（40）And coupled by flange；Water pump is axially vertically disposed；Water inlet flow channel outlet section（3）Exit portion is welded with dividing plate（45）, dividing plate（45）It is horizontally disposed, dividing plate（45）On be welded with support ring under blade wheel chamber（44）, blade wheel chamber（18）Lower end is plugged on support ring under blade wheel chamber（44）It is interior, blade wheel chamber（18）Support ring under lower end, blade wheel chamber（44）Between pass through rubber seal（15）Realize sealing.The model test pump installation couples water-in and water-out runner by flange, the sealing between blade wheel chamber and water inlet flow channel is realized by rubber ring, solve in model test due to narrow space between water inlet flow channel and outlet passage, hand can not be stretched into instrument, the problem of blade angle can not be adjusted, have the advantages that to be conveniently connected, adjust it is simple and direct, dismantle it is quick.
Description
Technical field
The utility model is related to a kind of Contiuum type model test pump installation, belongs to Hydraulic and Hydro-Power Engineering and supply and discharge Hydraulic Projects skill
Art field.
Background technology
China is a large agricultural country, and water conservancy is the lifeblood of agricultural, needs to build substantial amounts of pumping plant in engineering construction for filling
Irrigate and draining.As a large amount of people in the countryside of China enter city, city size constantly expands, and the task of urban flood defence and water drainage is got over
Come heavier, it is also desirable to build more pumping plants.Pumping plant scale can be divided into Pyatyi according to installation flow or installed power, for important
Large pumping station, in planning of pumping station, design and process of construction, people are except using experience and carrying out the means such as numerical simulation
Outside, it need to often carry out physical experiments design is verified and optimized.Pump house type selecting is main according to water levels of upstream and downstream group
The factors such as conjunction, set structure type and ground geological conditions determine that the blade angle of guide vane mixed flow pump and axial-flow pump has adjustable
With unadjustable point.In pumping plant model test, people usually need to enter the device performance under different leaves angle
Row test, obtains universal performance curve.For two-way inlet and outlet channel pumping plant or similar pump station structure pattern, due to archetypal pump
Standing space between water inlet flow channel top plate and outlet passage bottom plate may be just little, and when being converted to model pump installation, space may
Become very narrow and small, human hand and instrument can not stretch into the regulation for carrying out blade angle degree.Conventional solution mainly has：（1）
Designed using Drawing-Core pump installation, after the model pump device experiment for often completing a blade angle, the examination above runner need to be removed
Equipment is tested, model pumped, is adjusted after blade angle, then reinstall.The advantage of this method is to ensure that pump-type pump is filled
Put the similitude with model pump installation, but exist and waste time and energy, the shortcomings of testing expenses are high, the cycle is long.（2）It is artificial to increase model
Height between pump installation water inlet flow channel top plate and outlet passage bottom plate, that is, lengthen the connection between water inlet flow channel outlet and pump inlet
Spreading degree so that the space between water inlet flow channel top plate and outlet passage bottom plate is sufficiently large, can allow human hand and instrument to stretch into progress
The regulation of blade angle degree.The advantage of this method is that adjustment of blade angle is convenient, but destroys prototype pump installation and model
Similitude between pump installation, reduces the precision and credibility of model pump device experiment result.
Utility model content
The purpose of this utility model is to be directed to two-way inlet and outlet channel pumping plant or similar pump station structure pattern, due to prototype
Space may be just little between pumping plant water inlet flow channel top plate and outlet passage bottom plate, when carrying out model pump device experiment, both it
Between space converted according to the law of similitude after become very smaller, human hand and instrument, which can not be stretched into, carries out asking for blade angle degree regulation
A kind of topic, it is proposed that Contiuum type model test pump installation, couples water-in and water-out runner using flange, impeller is realized by rubber ring
Sealing between room and water inlet flow channel, fully meets the requirement of prototype and model pump installation geometric similarity, with being conveniently connected, adjust
The advantages of section is simple and direct, dismounting is quick, can effectively improve the precision of model pump installation energy characteristics and cavitation performance test.
The purpose of this utility model is achieved through the following technical solutions, a kind of Contiuum type model test pump installation, bag
Water inlet flow channel, water pump and outlet passage are included, it is characterized in that, outlet passage inducer is set simultaneously above the water inlet flow channel outlet section
Coupled by flange；The water pump is axially vertically disposed；The water inlet flow channel outlet section exit portion is welded with dividing plate, dividing plate water
It is flat to set, support ring under blade wheel chamber is welded with dividing plate, blade wheel chamber lower end is plugged under blade wheel chamber in support ring, blade wheel chamber lower end, leaf
Realized and sealed by rubber seal between support ring under engineer room.
It is preferred that, the water pump vane room uses metal casting, and blade wheel chamber upper end couples with water pump guide vane body flange；It is described
Blade wheel chamber lower end is not open the flange face of cylinder of screw, and the rubber seal is arranged in blade wheel chamber's lower end outside groove, institute
It is opening structure in Hough to state blade wheel chamber, is coupled by Hough attachment bolt, is held in position by alignment pin；
The water pump guide vane body is cast using precision metal, has 5~7 guide vanes, the water outlet is stretched into diffuser upper end
It is welded to connect in tunnel inlets section and with metalwork anemostat, the diffuser sidewall weld is fixed on outlet passage inducer
On bottom plate.
It is preferred that, flange and outlet passage import pars infrasegmentalis surrounding that the water inlet flow channel outlet section passes through top surrounding
Flange couples, the sealing of middle pad rubber slab；Water inlet flow channel outlet section is coupled by flange with water inlet flow channel inducer；The water inlet
Tunnel inlets section is rectangular cross section.
It is preferred that, the exit portion of described water inlet flow channel outlet section is the rotary body around impeller center line, water inlet flow channel
Outlet section exit portion cross section is circle, and water inlet flow channel outlet section exit portion diameter is equal with blade wheel chamber inlet diameter, axle
To leaving 3~5mm gaps.
It is preferred that, the water inlet flow channel outlet section bottom is welded with interior water inlet flow channel water guide cone, water inlet flow channel water guide cone with
Water pump coaxial line, water inlet flow channel water guide cone is a rotation hollow metal body.
It is preferred that, it is spherical surface body on the outside of hollow-core construction, wheel hub that the wheel hub of the water pump, which is, and water pump blade is arranged on wheel hub
On, water pump blade can rotate around petiole axis, so as to change blade angle；By the blade adjustments bolt for tightening connection pressing plate
Fixed water pump blade；
The wheel hub lower end diameter is equal with water inlet flow channel water guide cone upper end diameter, and the wheel hub bottom insertion is hollow to enter
In water flow passage water guide cone, 3~5mm gap is radially left.
It is preferred that, the outlet passage inducer top surface perforate sets top cover on hole；Top is stretched out in the Pump Axle upper end
Lid is outer；
Top cover seat ring is set between top cover and outlet passage inducer, and top cover seat ring is welded into whole with outlet passage inducer
Body, top cover seat ring is inverted L-shaped, and top cover seat ring one end is connected with the top cover above it by connecting bolt；Top cover seat ring is another
The outlet passage inducer top plate of end with the top cover above it, below is connected by fixing bolt；
The top cover is that metal welds workpiece, and bottom sets stuffing-box, and filler is annularly enclosed on pump shaft, passes through gland spiral shell
Bolt gland is fixed on top cover；Support webs have 4, are arranged symmetrically by pump shaft line；
The top cover passes through flange coupling spindle bearing, bottom arrangement oil sealing；Thrust is set gradually in bearing block from top to bottom
Bearing, top guide bearing, between thrust bearing, top guide bearing between separated with bearing insert；
Bearing block gland is fixed on bearing block by bearing block gland bolt, oil sealing built in bearing block gland；
Stretch out on the pump shaft outside bearing block and interstage sleeve is set, spell tight nut by above leading regulation is pressed on bearing insert by interstage sleeve
On.
It is preferred that, outlet passage water guide cone is provided with the outlet passage inducer, outlet passage water guide cone revolves for metal
Swivel, concentric with water pump axis, upper weld is on top cover seat ring, and import external diameter in lower end is equal with the hub diameter of diffuser.
It is preferred that, the outlet passage inducer couples with outlet passage outlet section flange；It is described go out outlet passage outlet
Section is rectangular cross section.
It is preferred that, web is set on the dividing plate under the blade wheel chamber on the outside of support ring, and dividing plate is supported by web.
Compared with prior art, the utility model has the advantages that：The model test pump installation passes through flange
Couple water-in and water-out runner, the sealing between blade wheel chamber and water inlet flow channel is realized by rubber ring, solve in model test due to
Narrow space between water inlet flow channel and outlet passage, hand can not be stretched into instrument, the problem of blade angle can not be adjusted, with connection
Connect convenience, adjust the advantages of simple and direct, dismounting is quick, fully meet the requirement of prototype and model pump installation geometric similarity, can be effective
Improve the precision of model pump installation energy characteristics and cavitation performance test.
Brief description of the drawings
Fig. 1 is a kind of sectional view of Contiuum type model test pump installation of the utility model.
Fig. 2 is a kind of top cover of Contiuum type model test pump installation of the utility model and the structural representation of bearing block；
Fig. 3 is a kind of structural representation of the water pump of Contiuum type model test pump installation of the utility model；
In figure：1st, water inlet flow channel inducer；2nd, water inlet flow channel connecting bolt；3rd, water inlet flow channel outlet section；4th, water pump blade；
5th, blade adjustments bolt；6th, pressing plate；7th, key；8th, tight nut is spelled；9th, wheel hub；10th, water inlet flow channel water guide cone；11st, lower guide bearing；
12nd, lower guide bearing gland；13rd, lower pilot bonnet bolt；14th, attachment bolt；15th, rubber seal；16th, alignment pin；17th, Hough joins
Connecting bolt；18th, blade wheel chamber；19th, diffuser；20th, guide vane；21st, anemostat；22nd, outlet passage water guide cone；23rd, pump shaft；24、
Filler；25th, gland；26th, gland bolt；27th, top cover；28th, felt collar oil sealing；29th, thrust bearing；30th, top guide bearing；31、
Bearing block；32nd, bearing block gland bolt；33rd, bearing block gland；34th, oil sealing；35th, bearing insert；36th, interstage sleeve；37th, tune is led on
Section spells tight nut；38th, top cover seat ring；39th, fixing bolt；40th, outlet passage inducer；41st, outlet passage outlet section is gone out；42、
Outlet passage attachment bolt；43rd, inlet and outlet channel disjunctor bolt；44th, support ring under blade wheel chamber；45th, dividing plate；46th, web；47th, even
Connecting bolt；48th, support webs.
Embodiment
As shown in figure 1, a kind of Contiuum type model test pump installation, by water inlet flow channel inducer 1, water inlet flow channel connecting bolt
2nd, water inlet flow channel outlet section 3, water pump blade 4, blade adjustments bolt 5, pressing plate 6, key 7, the tight nut 8 of spelling, wheel hub 9, water inlet flow channel
It is water guide cone 10, lower guide bearing 11, lower guide bearing gland 12, lower pilot bonnet bolt 13, attachment bolt 14, rubber seal 15, fixed
Position pin 16, Hough attachment bolt 17, blade wheel chamber 18, diffuser 19, guide vane 20, anemostat 21, outlet passage water guide cone 22, pump
Axle 23, filler 24, gland 25, gland bolt 26, top cover 27, felt collar oil sealing 28, thrust bearing 29, top guide bearing 30, axle
Bearing 31, bearing block gland bolt 32, bearing block gland 33, oil sealing 34, bearing insert 35, interstage sleeve 36, on lead regulation and spell tight spiral shell
Mother 37, top cover seat ring 38, fixing bolt 39, outlet passage inducer 40, go out outlet passage outlet section 41, outlet passage connection spiral shell
Support ring 44, dividing plate 45, web 46, connecting bolt 47, support webs 48 under bolt 42, inlet and outlet channel disjunctor bolt 43, blade wheel chamber
Deng part composition.
Blade wheel chamber 18 uses metal casting, and its upper end is coupled by attachment bolt 14 with the flange of diffuser 19；Described leaf
The lower end of engineer room 18 is not open in the flange face of cylinder of screw, outside groove to place rubber seal 15, is inserted under blade wheel chamber and props up
In circle 44, realized and sealed by rubber seal 15.
Blade wheel chamber 18 is opening structure in Hough, is coupled by Hough attachment bolt 17, is held in position by alignment pin 16.
Support ring 44 is weldingly fixed on dividing plate 45 under blade wheel chamber, and dividing plate 45 is welded on water inlet flow channel outlet section 3, passes through web
46 are supported.
Water inlet flow channel outlet section 3 is coupled by the flange of bottom surrounding with outlet passage inducer 40, and centre sets rubber
Plate is sealed.
Water inlet flow channel outlet section 3 is coupled by flange with water inlet flow channel inducer 1, the export department of water inlet flow channel outlet section 3
It is divided into the rotary body around impeller center line, Outlet Section is circle, diameter is equal with blade wheel chamber 18 inlet diameter, has between 3~5mm
Gap.
Water inlet flow channel water guide cone 10 is a rotation hollow metal body, the bottom of water inlet flow channel outlet section 3 is welded on, with water pump
Coaxial line.
Wheel hub 9 is hollow-core construction, and outside is spherical surface body, and water pump blade 4 is arranged on wheel hub 9, can rotated around petiole axis,
Change blade angle；Water pump blade 4 is fixed by the blade adjustments bolt 5 for tightening connection pressing plate 6.
The lower end diameter of wheel hub 9 is equal with the diameter of water inlet flow channel water guide cone 10, and the bottom insertion of described wheel hub 9 is hollow
In water inlet flow channel water guide cone 10,3~5mm gap is radially left.
Diffuser 19 uses hot investment casting, has 5~7 guide vanes 20, is weldingly connected with metalwork anemostat 21, described
Diffuser 19 is weldingly fixed on the bottom plate of outlet passage inducer 40.
Outlet passage water guide cone 22 be metal rotatorses, it is concentric with water pump axis, upper weld on top cover seat ring 38, under
Hold import external diameter equal with the hub diameter of diffuser 19.
Top cover seat ring 38 welds integral with outlet passage inducer 40, passes through fixing bolt 39 and connecting bolt 47 and top
Lid 27 is connected.
Top cover 27 is that metal welds workpiece, and bottom sets stuffing-box, and filler 24 is annularly enclosed on pump shaft 23, passes through gland
The gland 25 of bolt 26 is fixed on top cover 27；Described support webs 48 have 4, are arranged symmetrically by pump shaft line.
Bearing block 31 is coupled by flange with top cover 27, bottom arrangement oil sealing 34, prevents lubricating grease seepage vertically.
Thrust bearing 29 under, is respectively mounted in bearing block 31 in upper and top guide bearing 30,35 points of the bearing insert in centre
Every.
Oil sealing 34 built in bearing block gland 33, bearing block is fixed on by bearing block gland bolt 32 by bearing block gland 33
On 31.
Interstage sleeve 36 passes through pump shaft 23, and interstage sleeve 36 is pressed on bearing insert 35 by above leading regulation spelling tight nut 37.
Outlet passage inducer 40 is coupled with going out outlet passage outlet section 41 by the flange of outlet passage attachment bolt 42.
After model pump installation starts, pump shaft 23 transmits moment of torsion under the driving of engine by key 7, drives and is arranged on wheel hub
Water pump blade 4 on 9 rotates.Water body is through water inlet flow channel inducer 1, into water inlet flow channel outlet section 3, streams water inlet flow channel water guide
Cone 10 enters blade wheel chamber 18, and the water body for obtaining energy enters diffuser 19 from blade wheel chamber 18, streams guide vane 20, flow velocity and flow direction
Enter anemostat 21 after being adjusted, further around outflow water flow passage water guide cone 22, into outlet passage inducer 40, from going out current
Road outlet section 41 is discharged.
Adjust the process of model pump blading laying angle：
1st, model pump installation board stopped status, cuts off the electricity supply.
2nd, water inlet flow channel outlet section 3 is held with jack, water inlet flow channel connecting bolt 2 and inlet and outlet channel disjunctor spiral shell is backed out
Bolt 43, slowly puts down jack, and water inlet flow channel outlet section 3 is moved down, and blade wheel chamber 18 skids off under blade wheel chamber in support ring 44, takes off
From water inlet flow channel outlet section 3；When water inlet flow channel outlet section 3 and outlet passage inducer 40 there are enough operating distances, keep
The support of jack and safety；The attachment bolt 14 of blade wheel chamber 18 and diffuser 19 is backed out, alignment pin 16 is removed and blade wheel chamber breathes out
Husband's attachment bolt 17, you can open blade wheel chamber 18；Blade adjustments bolt 5 is unclamped, blade angle is adjusted to the angle needed
Afterwards, blade adjustments bolt 5 is tightened.
3rd, the two panels Hough of blade wheel chamber 18 is closed, alignment pin 16 is first plugged and tightens blade wheel chamber's Hough attachment bolt 17, is pacified
Blade wheel chamber 18 and the attachment bolt 14 of diffuser 19 are filled, slow jack-up jack, water inlet flow channel outlet section 3 is moved up, impeller
Room 18 enters support ring 44 under blade wheel chamber；After water inlet flow channel outlet section 3 rises to assigned position, water inlet flow channel connection is tightened again
Bolt 2 and inlet and outlet channel disjunctor bolt 43, complete the regulation of model pump blading laying angle.
4th, keep jack to hold water inlet flow channel outlet section 3, be that the regulation of next model pump blading laying angle is carried out
Prepare.
Claims (10)
1. a kind of Contiuum type model test pump installation, including water inlet flow channel, water pump and outlet passage, it is characterized in that, the water inlet
Runner exit section（3）Top sets outlet passage inducer（40）And coupled by flange；The water pump is axially vertically disposed；Institute
State water inlet flow channel outlet section（3）Exit portion is welded with dividing plate（45）, dividing plate（45）It is horizontally disposed, dividing plate（45）On be welded with leaf
Support ring under engineer room（44）, blade wheel chamber（18）Lower end is plugged on support ring under blade wheel chamber（44）It is interior, blade wheel chamber（18）Under lower end, blade wheel chamber
Support ring（44）Between pass through rubber seal（15）Realize sealing.
2. a kind of Contiuum type model test pump installation according to claim 1, it is characterized in that, the water pump vane room（18）
Using metal casting, blade wheel chamber（18）Upper end and water pump guide vane body（19）Flange couples；The blade wheel chamber（18）Lower end is not open
The flange face of cylinder of screw, the rubber seal（15）It is arranged on blade wheel chamber（18）In lower end outside groove, the blade wheel chamber
（18）For opening structure in Hough, pass through Hough attachment bolt（17）Connection, passes through alignment pin（16）It is held in position；
The water pump guide vane body（19）Cast using precision metal, there are 5~7 guide vanes（20）, diffuser（19）Upper end is stretched into
The outlet passage inducer（40）It is interior and with metalwork anemostat（21）It is welded to connect, the diffuser（19）Sidewall weld is consolidated
It is scheduled on outlet passage inducer（40）Bottom plate on.
3. a kind of Contiuum type model test pump installation according to claim 1 or 2, it is characterized in that, the feed water flow is said
Mouth section（3）Pass through the flange and outlet passage inducer of top surrounding（40）The flange connection of bottom surrounding, middle pad rubber slab
Sealing；Water inlet flow channel outlet section（3）Pass through flange and water inlet flow channel inducer（1）Connection；The water inlet flow channel inducer（1）For
Rectangular cross section.
4. a kind of Contiuum type model test pump installation according to claim 3, it is characterized in that, described water inlet flow channel outlet
Section（3）Exit portion be around impeller center line rotary body, water inlet flow channel outlet section（3）Exit portion cross section is circle,
Water inlet flow channel outlet section（3）Exit portion diameter and blade wheel chamber（18）Inlet diameter is equal, axially leaves 3~5mm gaps.
5. a kind of Contiuum type model test pump installation according to claim 4, it is characterized in that, the water inlet flow channel outlet section
（3）Bottom is welded with interior water inlet flow channel water guide cone（10）, water inlet flow channel water guide cone（10）With water pump coaxial line, water inlet flow channel water guide
Cone（10）For a rotation hollow metal body.
6. a kind of Contiuum type model test pump installation according to claim 5, it is characterized in that, the wheel hub of the water pump（9）
For hollow-core construction, wheel hub（9）Outside is spherical surface body, water pump blade（4）Installed in wheel hub（9）On, water pump blade（4）Can be around petiole
Axis rotates, so as to change blade angle；By tightening connection pressing plate（6）Blade adjustments bolt（5）Fixed water pump blade
（4）；
The wheel hub（9）Lower end diameter and water inlet flow channel water guide cone（10）Upper end diameter is equal, the wheel hub（9）Bottom insertion is empty
The water inlet flow channel water guide cone of the heart（10）It is interior, radially leave 3~5mm gap.
7. a kind of Contiuum type model test pump installation according to claim 6, it is characterized in that, the outlet passage inducer
（40）Top cover is set on top surface perforate, hole（27）；The Pump Axle（23）Top cover is stretched out in upper end（27）Outside；
Top cover（27）With outlet passage inducer（40）Between set top cover seat ring（38）, top cover seat ring（38）Enter with outlet passage
Mouth section（40）Weld integral, top cover seat ring（38）For inverted L-shaped, top cover seat ring（38）One end and the top cover above it（27）Pass through
Connecting bolt（47）It is connected；Top cover seat ring（38）The other end and the top cover above it（27）, outlet passage import below
Section top plate passes through fixing bolt（39）It is connected；
The top cover（27）Workpiece is welded for metal, bottom sets stuffing-box, filler（24）Annularly it is enclosed on pump shaft（23）On, lead to
Over-pressed bonnet bolt（26）Gland（25）It is fixed on top cover（27）On；Support webs（48）There are 4, pass through pump axisymmetrical cloth
Put；
The top cover（27）Pass through flange coupling spindle bearing（31）, bottom arrangement oil sealing（28）；Bearing block（31）Inside from top to bottom
Set gradually thrust bearing（29）, top guide bearing（30）, thrust bearing（29）, top guide bearing（30）Between between use bearing insert
（35）Separate；
Pass through bearing block gland bolt（32）By bearing block gland（33）It is fixed on bearing block（31）On, bearing block gland（33）It is interior
Put oil sealing（34）；
Stretch out bearing block（31）Outer pump shaft（23）Upper setting interstage sleeve（36）, tight nut is spelled by above leading regulation（37）By interstage sleeve
（36）It is pressed on bearing insert（35）On.
8. a kind of Contiuum type model test pump installation according to claim 7, it is characterized in that, the outlet passage inducer
（40）It is interior to be provided with outlet passage water guide cone（22）, outlet passage water guide cone（22）It is concentric with water pump axis for metal rotatorses, on
Portion is welded on top cover seat ring（38）On, lower end import external diameter and diffuser（19）Hub diameter it is equal.
9. a kind of Contiuum type model test pump installation according to claim 8, it is characterized in that, the outlet passage inducer
（40）With outlet passage outlet section（41）Flange couples；It is described go out outlet passage outlet section（41）For rectangular cross section.
10. a kind of Contiuum type model test pump installation according to claim 9, it is characterized in that, support ring under the blade wheel chamber
（44）The dividing plate in outside（45）Upper setting web（46）, dividing plate（45）Pass through web（46）Supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095851.XU CN206360895U (en) | 2016-09-29 | 2016-09-29 | A kind of Contiuum type model test pump installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095851.XU CN206360895U (en) | 2016-09-29 | 2016-09-29 | A kind of Contiuum type model test pump installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206360895U true CN206360895U (en) | 2017-07-28 |
Family
ID=59368431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621095851.XU Expired - Fee Related CN206360895U (en) | 2016-09-29 | 2016-09-29 | A kind of Contiuum type model test pump installation |
Country Status (1)
| Country | Link |
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| CN (1) | CN206360895U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489655A (en) * | 2017-09-29 | 2017-12-19 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN107503956A (en) * | 2017-10-19 | 2017-12-22 | 扬州大学 | Axial-flow pump pumping plant separate type flow measurement control method in hydraulic model test |
| CN108223396A (en) * | 2017-12-11 | 2018-06-29 | 中国水利水电科学研究院 | A kind of high-precision water pump bath scaled model experimental device |
| CN110043505A (en) * | 2019-05-28 | 2019-07-23 | 江苏航天水力设备有限公司 | The adjustable guide bearing mechanism of large-sized vertical shaft open type water pump |
-
2016
- 2016-09-29 CN CN201621095851.XU patent/CN206360895U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489655A (en) * | 2017-09-29 | 2017-12-19 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN107489655B (en) * | 2017-09-29 | 2019-06-07 | 扬州大学 | Pump installation bell-shaped inflow passage with the suitable flowing plate of activity |
| CN107503956A (en) * | 2017-10-19 | 2017-12-22 | 扬州大学 | Axial-flow pump pumping plant separate type flow measurement control method in hydraulic model test |
| CN108223396A (en) * | 2017-12-11 | 2018-06-29 | 中国水利水电科学研究院 | A kind of high-precision water pump bath scaled model experimental device |
| CN108223396B (en) * | 2017-12-11 | 2024-04-26 | 中国水利水电科学研究院 | High-precision water pump model experimental device |
| CN110043505A (en) * | 2019-05-28 | 2019-07-23 | 江苏航天水力设备有限公司 | The adjustable guide bearing mechanism of large-sized vertical shaft open type water pump |
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Granted publication date: 20170728 Termination date: 20200929 |