CN105422503B - A kind of combination type blade wheel - Google Patents
A kind of combination type blade wheel Download PDFInfo
- Publication number
- CN105422503B CN105422503B CN201511024751.8A CN201511024751A CN105422503B CN 105422503 B CN105422503 B CN 105422503B CN 201511024751 A CN201511024751 A CN 201511024751A CN 105422503 B CN105422503 B CN 105422503B
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- China
- Prior art keywords
- disk
- impeller
- impeller disk
- coaxially
- hole
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Classifications
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- 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
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing 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 belongs to convey the small flow low-lift pump apparatus field of high concentration, high viscosity and the solid particle material containing high rigidity, and in particular to a kind of combination type blade wheel.The end impeller disk that the present invention includes impeller shaft and is coaxially fixed at the impeller shaft one end, the other end at end is coaxially arranged where the opposite impeller shaft of the end impeller disk the more than one side impeller disk；It is spaced each other uniformly distributed between each adjacent fan-wheel disk, the cooperation gap between each adjacent fan-wheel disk constitutes the honeycomb duct of connection pump housing outlet, and disk body is coaxially run through at the axle center of each side impeller disk and offers inlet opening for being connected to pump housing suction chamber and honeycomb duct；Mounting hole is offered on the impeller disk of end, is coaxially opened up threaded hole on the impeller disk of side correspondingly therewith, is constituted between each and be threadedly engaged relationship.Present invention processing and later period dismounting maintenance are more convenient reliable, and use cost can be also effectively reduced.
Description
Technical field
The invention belongs to convey the small flow low-lift of high concentration, high viscosity and the solid particle material containing high rigidity pump with setting
A kind of standby field, and in particular to combination type blade wheel.
Background technique
Existing fluid delivery pump is mostly centrifugal pump, and blade wheel structure is divided into double shrouded wheel and two kinds of unshrouded impeller, and
There is blade.Blade wheel structure generally includes plate-like wheel body, and takes turns and intracorporal radially arranged along wheel body by what blade was formed positioned at it
Honeycomb duct, the import of honeycomb duct is through one side end face of wheel body and is connected to pump housing suction chamber；It is revolved when use by the high speed of impeller
Turn, so that medium in honeycomb duct be driven to generate centrifugal phenomenon, constantly throws away medium in honeycomb duct to reach and continue lift suction pump
The purpose of medium in body suction chamber.Due to the working characteristics of the centrifugation conveying of above-mentioned impeller, on the one hand, constitute the impeller of honeycomb duct
Blade comes into contact in a large area in material conveying with material, blade wear situation easily occurs；It is high containing hardness especially in material
Solid particle when, wear phenomenon is more serious, need frequently to entire Unitary Impeller carry out disassembling, assembling and replacing operation, therewith
Bring sharply increasing for use cost.On the other hand, due to using blade impellers, impeller cavitation phenomenons are inevitable, especially
When conveying high temperature, having certain gas content material, cavitation is more obvious, it is extremely difficult to meet flow in 1m3/ h is hereinafter, lift exists
Similar small flow low-lift operating condition within 30m.Furthermore, existing above-mentioned blade wheel structure is substantially to cast or weld
It connects, since the factors such as internal stress influence, impeller can generate a certain amount of deformation in casting or welding process, consequently also can be right
The actual use operating condition of impeller has an adverse effect.
Summary of the invention
It is an object of the present invention to overcome above-mentioned the deficiencies in the prior art, a kind of structurally reasonable and practical combined type leaf is provided
Wheel, can avoid impeller using traditional modes such as integrally casting or welding and caused by impeller deformation and the dismounting excessively high shape of cost
Condition, and can effectively reduce the cavitation phenomenons of pump, to solve current small flow, low lift, high viscosity, solid containing high rigidity
Grain, the problem for thering is the material of certain gas content to convey；Present invention processing and later period dismounting maintenance are more convenient reliable, using at
This can be also effectively reduced.
To achieve the above object, the invention adopts the following technical scheme:
A kind of combination type blade wheel, the end impeller disk including impeller shaft and being coaxially fixed at the impeller shaft one end, by
It is coaxially arranged at the other end at end where the opposite impeller shaft of the end impeller disk to have the more than one side impeller disk；Each adjacent leaf
Uniformly distributed, the honeycomb duct of the cooperation gap composition connection pump housing outlet between each adjacent fan-wheel disk, each side are spaced each other between wheel disc
Coaxially run through disk body at the axle center of the impeller disk and offers inlet opening for being connected to pump housing suction chamber and honeycomb duct；The end impeller disk
On offer mounting hole, coaxially open up threaded hole on the impeller disk of side correspondingly therewith, constituted between each and be threadedly engaged pass
System.
It is disposed with the shaft shoulder at one end for the cooperative end part impeller disk of the impeller shaft, each peace is corresponded on the shaft shoulder
It fills hole and axially penetrates through setting screw hole；Coaxially through setting through hole on the impeller disk of end, which is inserted in impeller shaft
Seam allowance cooperation is formed between above-mentioned axial end and its hole end surface and the above-mentioned shaft shoulder；Fastening screw axially penetrate screw hole and successively with peace
It constitutes and is threadedly engaged between dress hole and threaded hole.
On each side impeller disk with threaded hole is coaxial is convexly equipped with for forming above-mentioned cooperation gap between adjacent fan-wheel disk
Cylindrical boss, at the pointed end impeller disk direction of the projection direction axial direction of each cylindrical boss.
The groove for increasing disk frictional force is recessed in the disk of the end impeller disk and the side impeller disk
And/or it is convexly equipped with the fin for increasing disk frictional force.
The threaded hole is four and is circumferentially evenly distributed with along the disk of the side impeller disk；Each groove on the impeller disk of side is slot
Long four radially extended along disk, every groove correspondence are arranged at the disk between two threaded holes.
The mounting hole is four and is circumferentially evenly distributed with along the disk of the end impeller disk；Each groove on the impeller disk of end is slot
Long four radially extended along disk, every groove correspondence are arranged at the disk region between two mounting holes.
The beneficial effects of the present invention are:
1) it, has abandoned using wheel body deformation and dismounting cost caused by the impeller of traditional integrally casting or welding fabrication
Existing monoblock type centrifugal pump impeller is transformed to disc type group hinge of the invention by what is looked for another way by excessively high situation
Wheel, to promote the convenient reliability of its processing and later period dismounting maintenance, use cost can be also effectively reduced.In other words,
On the one hand, by above-mentioned removable assembling structure, traditional part such as blade that is prone to wear out is abandoned completely, and generation is with the screw thread of rigidity
The service life of engagement formation, structure can be obviously improved.On the other hand, even if being made because transporting solid particle with high hardness
It is worn at a certain impeller disk serious friction, and it is practical in use, also only need to be by dismantling the old impeller disk simultaneously to eventually affect it
The mode of the new impeller disk is reinstalled to solve, without the whole entire impeller of replacement, replacement cost will be apparent from very big reduction.
2), on the basis of the above-mentioned side impeller disk is removable, the seam allowance positioning method of the cooperative end part impeller disk, thus real
Show the Fast-Maintenance of entire impeller and dismounts effect online.When specific operation, when the side impeller disk is needed because of fretting wear
When dismounting maintenance, replacement effect can be reached and unscrewing fastening screw；The end impeller disk similarly, and only need to more renew
When the impeller disk of end, then the seam allowance cooperation in impeller shaft is relied on to realize quick positioning, operate extremely efficient and convenient.
3), the formation of the honeycomb duct between each side impeller disk and between the side impeller disk and the end impeller disk can be a variety of,
Or directly to arrange slot in the disk of adjacent fan-wheel disk, and use inserted block along above-mentioned slot and the insertion impeller disk of radial direction
On, so that there is cooperation gap between each adjacent fan-wheel disk；Or to make its cylinder two using individual ladder-like convex cylinder
End supports the disk of the adjacent impeller disk respectively, thus reach make adjacent fan-wheel disk between form cooperation gap each other.The present invention is preferred
Structure be, on the one hand by side impeller disk disk axial direction projection cylindrical boss, thus using the length of cylindrical boss come shape
At above-mentioned cooperation gap.On the other hand, cylindrical boss is coaxially outwardly extending by the nose end of threaded hole, in other words, threaded hole
Necessarily through cylindrical boss.When the top end face tight abutment of cylindrical boss is at specified impeller disk disk, above-mentioned screw thread
The bolt of cooperation is necessarily covered by cylindrical boss completely, is invaded so as to avoid by the medium of honeycomb duct the bolt
Erosion, corrosion and andfrictional conditions, and then the service life being threadedly engaged of the invention is effectively improved, effect is extremely significant.
4), the arrangement of groove and/or fin helps to be promoted honeycomb duct for centrifugation " crawl " ability of medium, in turn
Promote the task performance of corresponding centrifugal pump.When practical operation, the design method for more using groove, one side Pocket Machining are considered
It is more convenient；On the other hand, the fin structure for needing protrusion and occupying original honeycomb duct space is compared, groove can also be given more
Honeycomb duct space, thus further promoted centrifugal pump medium pump Movement Capabilities, finally ensure the high efficient and reliable work of whole equipment
Make effect.
Detailed description of the invention
Fig. 1 is assembling schematic diagram of the invention；
Fig. 2 is the Structure explosion diagram of Fig. 1；
Fig. 3 is the front schematic view of the end impeller disk；
Fig. 4 is the front schematic view of the side impeller disk.
It illustrates each label and specific component names corresponding relationship of the invention is as follows:
A- groove
10- impeller shaft 11- shaft shoulder 12- screw hole
The end 20- impeller disk 21- through hole 22- mounting hole
The side 30- impeller disk 31- inlet opening 32- threaded hole 33- cylindrical boss
40- fastening screw
Specific embodiment
For ease of understanding, here in connection with Fig. 1-4, specific implementation structure of the invention is made described further below:
Specific implementation structure of the invention is as shown in Figs 1-4, from Fig. 1 from right to left distinguish coaxially arranged impeller shaft 10,
The end impeller disk 20 and the side impeller disk 30, between each with fastening screw 40 it is axial wear and screw thread is affixed each other.Wherein, such as
Shown in Fig. 3, through hole 21 is arranged on the end impeller disk 20 and is set in the axial end of impeller shaft 10, and the court of the end impeller disk 20
Cooperate to seam allowance is constituted between the shaft shoulder 11 of 10 axial end of side disk and impeller shaft of impeller shaft 10.The side impeller disk 30 is being schemed
Be two in 1-2, certainly, when practical operation can for three, it is four or even more, depending on specific situation.The side impeller disk 30
Face is constituted between 20 disk of the end impeller disk by four cylindrical boss 33 shown in Fig. 4 against cooperation, and the two gap structure
At for water conservancy diversion and being centrifuged and throwing away the honeycomb duct of medium, each side impeller disk 30 is coaxial through arrangement inlet opening 31, for outer
Portion's medium enters in honeycomb duct along the inlet opening 31.
When practical set of the present invention, by each impeller disk after the axial assembling, with (namely the fastening of conehead soket head cap screw
Screw 40) it wears and is formed along corresponding screw hole 12, mounting hole 22 and threaded hole 32 and be threadedly engaged, ultimately form integrated knot
Structure.The pump housing is designed as the concentric pump housing, and pump discharge is on the tangent line of pump housing circle.Under motor drive or other external forces,
Impeller obtains kinetic energy, and medium to be conveyed enters the honeycomb duct inside wheel body from impeller eye namely inlet opening 31, in each leaf
Under the effect of wheel disc disk frictional force, medium is made to generate centrifugal force, so that tangent line aspect suitable honeycomb duct of the medium along the impeller disk
Constantly pumped out.Each impeller disk disk has the groove a radially arranged, and main purpose is to increase the two sides to form honeycomb duct
The frictional force of flow path wall.
Using above-mentioned impeller manufacturing process of the invention, impeller can avoid using traditional side such as integrally casting or welding
Formula and caused by impeller deformation and dismounting the excessively high situation of cost.It is suitable by using reasonable each impeller disk cooperation gap and setting
Groove structure, so that material be made to generate centrifugal force under the frictional force effect of corresponding disk, and then reduce and even prevented to adopt
The cavitation phenomenons formed with old-fashioned wheel sheet mode, it is clear that extremely meet currently used for conveying high concentration, high viscosity and contain height
The small flow low-lift pump of the hardness solid particle material development need of apparatus field.
Claims (4)
1. a kind of combination type blade wheel, it is characterised in that: including impeller shaft (10) and be coaxially fixed in impeller shaft (10) one end
The end impeller disk (20) at place, the other end at end is coaxially arranged where the opposite impeller shaft (10) of the end impeller disk (20) has
The more than one side impeller disk (30)；Uniformly distributed, the cooperation sky between each adjacent fan-wheel disk is spaced each other between each adjacent fan-wheel disk
Gap constitutes the honeycomb duct of connection pump housing outlet, coaxially runs through disk body at the axle center of each side impeller disk (30) and offers for being connected to
The inlet opening (31) of pump housing suction chamber and honeycomb duct；Mounting hole (22), the side impeller disk are offered on the end impeller disk (20)
(30) it is coaxially opened up threaded hole (32) correspondingly therewith on, is constituted between each and be threadedly engaged relationship；
The shaft shoulder (11) are disposed at one end for the cooperative end part impeller disk (20) of the impeller shaft (10), on the shaft shoulder (11)
It corresponds each mounting hole (22) and axially penetrates through setting screw hole (12)；Coaxially run through through setting on the end impeller disk (20)
Hole (21), which, which is inserted in the above-mentioned axial end of impeller shaft (10) and is formed between its hole end surface and the above-mentioned shaft shoulder (11), stops
Mouth cooperation；Fastening screw (40) axially penetrates screw hole (12) and successively constitutes screw thread between mounting hole (22) and threaded hole (32)
Cooperation；
On each side impeller disk (30) with threaded hole (32) is coaxial is convexly equipped with for forming above-mentioned cooperation between adjacent fan-wheel disk
The cylindrical boss (33) in gap, the pointed end impeller disk (20) direction of the projection direction axial direction of each cylindrical boss (33)
Place.
2. a kind of combination type blade wheel according to claim 1, it is characterised in that: the end impeller disk (20) and side
It is recessed with the groove (a) for increasing disk frictional force in the disk of the impeller disk (30) and/or is convexly equipped with for increasing disk
The fin of frictional force.
3. a kind of combination type blade wheel according to claim 2, it is characterised in that: the threaded hole (32) is four and along side
The disk of portion's impeller disk (30) is circumferentially uniformly distributed；Each groove (a) on the side impeller disk (30) is what flute length was radially extended along disk
Four, every groove (a) correspondence is arranged at the disk region between two threaded holes (32).
4. a kind of combination type blade wheel according to claim 3, it is characterised in that: the mounting hole (22) is four and along end
The disk of portion's impeller disk (20) is circumferentially uniformly distributed；Each groove (a) on the end impeller disk (20) is what flute length was radially extended along disk
Four, every groove (a) correspondence is arranged at the disk region between two mounting holes (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024751.8A CN105422503B (en) | 2015-12-30 | 2015-12-30 | A kind of combination type blade wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511024751.8A CN105422503B (en) | 2015-12-30 | 2015-12-30 | A kind of combination type blade wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422503A CN105422503A (en) | 2016-03-23 |
| CN105422503B true CN105422503B (en) | 2019-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511024751.8A Active CN105422503B (en) | 2015-12-30 | 2015-12-30 | A kind of combination type blade wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422503B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883085B (en) * | 2021-10-08 | 2024-02-09 | 江苏大学 | Segment type centrifugal pump back vane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236196C (en) * | 1994-06-10 | 2006-01-11 | 株式会社荏原制作所 | Centrifugal or mixed-flow turbine machinery |
| JP2004278311A (en) * | 2003-03-12 | 2004-10-07 | Ebara Corp | Centrifugal pump |
| CN201057170Y (en) * | 2007-05-11 | 2008-05-07 | 上海凯泉泵业（集团）有限公司 | Straight-hole low specific speed centrifugal pump impeller |
| CN102313392B (en) * | 2011-04-15 | 2012-12-26 | 林钧浩 | Pneumatic friction-heat-generation high-temperature air heater |
| US9739284B2 (en) * | 2013-11-19 | 2017-08-22 | Charles Wayne Zimmerman | Two piece impeller centrifugal pump |
| CN205298049U (en) * | 2015-12-30 | 2016-06-08 | 合肥华升泵阀股份有限公司 | Combined type impeller |
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2015
- 2015-12-30 CN CN201511024751.8A patent/CN105422503B/en active Active
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| Publication number | Publication date |
|---|---|
| CN105422503A (en) | 2016-03-23 |
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