CN104696270A - Blade turning angle adjusting mechanism of axial flow pump - Google Patents
Blade turning angle adjusting mechanism of axial flow pump Download PDFInfo
- Publication number
- CN104696270A CN104696270A CN201310644466.0A CN201310644466A CN104696270A CN 104696270 A CN104696270 A CN 104696270A CN 201310644466 A CN201310644466 A CN 201310644466A CN 104696270 A CN104696270 A CN 104696270A
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- China
- Prior art keywords
- blade
- fixed base
- hole
- angle
- rotating shaft
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- 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
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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
- F04D29/20—Mounting rotors on shafts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a blade turning angle adjusting mechanism of an axial flow pump. The mechanism is provided with an impeller, wherein the impeller consists of a hub, a blade and a locking nut; and the blade consists of a fixed base, a rotating shaft and a thread shaft section. The mechanism is characterized by being provided with dowel pins; blade mounting holes consist of a fixed base mounting groove and a rotating shaft insertion hole from outside to center in sequence; a scale concave line and more than two angle adjusting holes are arranged on the end surface of the fixed base mounting groove using the axis of the blade mounting holes as center; the adjacent angle adjusting holes are staggered by 2 degrees; positioning holes are formed in the end surface of the fixed base at the bottom of the inner side of the blade, and are corresponding to the angle adjusting holes; after the blade rotates to a corresponding angle, the dowel pins are inserted in the positioning holes in the side wall of the blade and the fixed base mounting groove, the blade is precisely positioned at the adjusted angle, and the rotating shaft is fixed on the hub through a locking washer and the locking nut. The mechanism has such advantages as reasonable structure, convenience for installation, stable performance, high flow lift and high working efficiency.
Description
Technical field
The present invention relates to axial-flow pump technical field, specifically a kind of axial flow pump blade inner corner controlling mechanism.
Background technique
At present, the blade of the impeller of existing axial-flow pump is fixedly welded on wheel hub usually, flow lift due to axial-flow pump is the difference according to its blade rotating angle, and form different performance parameters, produce different working efficiencies, the deficiency of this structure is: can not regulate blade rotating angle according to different duty requirements, thus do not reach different flow lifts.
In order to solve the problems of the technologies described above, what have is arranged to rotatable regulation structure by blade, installation through hole is provided with in impeller hub circumference radial direction, vanes blades installation seat and tightening nut are fixed on wheel hub, graduation line is provided with at the cylindrical of blades installation seat, but the time has been grown, this graduation line has been easy to erosion corrosion and has fallen, and brings coarse use to angle adjustment.
Through retrieval, CN102003404A discloses a kind of axial flow pump blade inner angle adjustment alignment device, it comprises impeller body and is arranged on the blade on impeller body, the center of rotation of blades installation position is provided with stainless steel dial, at circumferentially punching press some groups of through holes of dial, often organize through hole be arranged in a linear and point to the axle center of blade rotation axle, often organize through hole and have three holes, the aperture in each hole is 2mm.By the angle adjustment alignment device of above-mentioned design, the deflection angle of axial flow pump blade inner can be seen very intuitively from rotating shaft position, although compared with scribe mark, solve through hole and there is not wearing and tearing, fuzzy, invisible problem, but impeller blade is when inducing fluid flow in axial-flow pump, by the External Force Acting of fluid, be easy to make blade off-target position, cause flow lift unstable, inefficiency.
Summary of the invention
The object of the invention is to solve above-mentioned the deficiencies in the prior art, a kind of rational in infrastructure, reliable operation, easy for installation, stable performance, flow lift is high, working efficiency is high axial flow pump blade inner corner controlling mechanism are provided.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of axial flow pump blade inner corner controlling mechanism, be provided with impeller, described impeller is by wheel hub, blade and locking nut composition, described blade is by fixed base, rotating shaft and threaded shaft section composition, rotating shaft one end is fixedly connected with fixed base, the other end is fixedly connected with threaded shaft section, described circumference of hub is laid with blades installation hole, it is characterized in that being provided with locating stud, described blades installation hole is followed successively by fixed base mounting groove and rotational shaft insertion hole by export-oriented center, described fixed base mounting groove end face is provided with scale concave and plural angle adjustment holes centered by the axis in blades installation hole, and stagger between adjacent angular adjustment hole 2 °, the fixed base end face of described blade inside bottom is provided with positioning hole, positioning hole is corresponding with angle adjustment holes, after blade forwards the angle of correspondence to, in the positioning hole that locating stud is inserted into blade sidewall and fixed base mounting groove, blade is accurately positioned in the angle of adjustment, through lock washer and locking nut, rotating shaft is fixed on wheel hub again, drastically increase the accuracy of blade rotating angle, ensure that the stability of axial-flow pump lift.
Scale concave of the present invention is dark 0.8-1.5mm, wide 0.2-0.5mm, long 5-15mm, to reach clear, wear-resistant, the corrosion resistant effect of viewing.
The present invention, owing to adopting said structure, has that rational in infrastructure, reliable operation, easy for installation, stable performance, flow lift are high, working efficiency advantages of higher.
accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the plan view of wheel hub in the present invention.
Fig. 3 is the plan view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Reference character:
Embodiment:
Below in conjunction with accompanying drawing, the present invention is further described:
As shown in drawings, a kind of axial flow pump blade inner corner controlling mechanism, be provided with impeller, described impeller is by wheel hub 1, blade 2 and locking nut 3 form, described blade is by fixed base 4, rotating shaft 5 and threaded shaft section 6 form, rotating shaft 5 one end is fixedly connected with fixed base 4, the other end is fixedly connected with threaded shaft section 6, described wheel hub 1 circumference uniform distribution is provided with blades installation hole, it is characterized in that being provided with locating stud 7, described blades installation hole is followed successively by fixed base mounting groove and rotational shaft insertion hole by export-oriented center, described fixed base mounting groove end face is provided with scale concave 11 and plural angle adjustment holes 8 centered by the axis in blades installation hole, and stagger between adjacent angular adjustment hole 2 °, fixed base 4 end face of described blade 2 inside bottom is provided with positioning hole 9, positioning hole 9 is corresponding with angle adjustment holes 8, after blade 2 forwards the angle of correspondence to, in the positioning hole 9 that locating stud 7 is inserted into blade sidewall and corresponding angle adjustment holes 8, blade is accurately positioned in the angle of adjustment, through lock washer 10 and locking nut 3, rotating shaft 5 is fixed on wheel hub 1 again, drastically increase the accuracy of blade rotating angle, ensure that the stability of axial-flow pump lift.
Scale concave 11 of the present invention is dark 0.8-1.5mm, wide 0.2-0.5mm, long 5-15mm, to reach clear, wear-resistant, the corrosion resistant effect of viewing.
Most preferred embodiment of the present invention: a kind of axial flow pump blade inner corner controlling mechanism, be provided with impeller, described impeller is by wheel hub 1, blade 2 and locking nut 3 form, described blade is by fixed base 4, rotating shaft 5 and threaded shaft section 6 form, rotating shaft 5 one end is fixedly connected with fixed base 4, the other end is fixedly connected with threaded shaft section 6, described wheel hub 1 circumference uniform distribution is provided with blades installation hole, it is characterized in that being provided with locating stud 7, described blades installation hole is followed successively by fixed base mounting groove and rotational shaft insertion hole by export-oriented center, described fixed base mounting groove end face is provided with scale concave 11 and plural angle adjustment holes 8 centered by the axis in blades installation hole, and stagger between adjacent angular adjustment hole 2 °, fixed base 4 end face of described blade 2 inside bottom is provided with positioning hole 9, positioning hole 9 is corresponding with angle adjustment holes 8, after blade 2 forwards the angle of correspondence to, in the positioning hole 9 that locating stud 11 is inserted into blade sidewall and corresponding angle adjustment holes 8, blade is accurately positioned in the angle of adjustment, through lock washer 10 and locking nut 3, rotating shaft 5 is fixed on wheel hub 1 again, drastically increase the accuracy of blade rotating angle, ensure that the stability of axial-flow pump lift, scale concave 7 of the present invention is dark 0.8-1.5mm, wide 0.2-0.5mm, long 5-15mm, scale concave of the present invention is preferably dimensioned to be dark 1mm, wide 0.3mm, long 10mm, clear to reach viewing, wear-resistant, corrosion resistant effect.
When corner, suppose that blade needs to run at-2 degree, then the hole straight pin of corresponding position on the hole of-2 degree scribe line position on blade and hub body must be positioned together, now because this hole on blade and 0 groove (assuming that horizontal line) angle are-15 to spend, on hub body, this location hole and horizontal line angle are-17 to spend, and hub body horizontal line just in time staggers with blade horizontal line and-2 to spend.Achieve the goal; Suppose that blade needs to run at+4 degree, then the hole straight pin of corresponding position on the hole of+4 degree scribe line position on blade and hub body must be positioned together, now because this hole on blade and 0 groove (assuming that horizontal line) angle are 15*2=+30 degree, on hub body, this location hole and horizontal line angle are 17*2=+34 degree, and hub body horizontal line just in time staggers with blade horizontal line and+4 to spend.Achieve the goal.
The present invention, owing to adopting said structure, has that rational in infrastructure, reliable operation, easy for installation, stable performance, flow lift are high, working efficiency advantages of higher.
Claims (2)
1. an axial flow pump blade inner corner controlling mechanism, be provided with impeller, described impeller is by wheel hub, blade and locking nut composition, described blade is by fixed base, rotating shaft and threaded shaft section composition, rotating shaft one end is fixedly connected with fixed base, the other end is fixedly connected with threaded shaft section, described circumference of hub is laid with blades installation hole, it is characterized in that being provided with locating stud, described blades installation hole is followed successively by fixed base mounting groove and rotational shaft insertion hole by export-oriented center, described fixed base mounting groove end face is provided with scale concave and plural angle adjustment holes centered by the axis in blades installation hole, and stagger between adjacent angular adjustment hole 2 °, the fixed base end face of described blade inside bottom is provided with positioning hole, positioning hole is corresponding with angle adjustment holes, after blade forwards the angle of correspondence to, in the positioning hole that locating stud is inserted into blade sidewall and fixed base mounting groove, blade is accurately positioned in the angle of adjustment, through lock washer and locking nut, rotating shaft is fixed on wheel hub again.
2. a kind of axial flow pump blade inner corner controlling mechanism according to claim 1, is characterized in that described scale concave is dark 0.8-1.5mm, wide 0.2-0.5mm, long 5-15mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310644466.0A CN104696270A (en) | 2013-12-05 | 2013-12-05 | Blade turning angle adjusting mechanism of axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310644466.0A CN104696270A (en) | 2013-12-05 | 2013-12-05 | Blade turning angle adjusting mechanism of axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104696270A true CN104696270A (en) | 2015-06-10 |
Family
ID=53343714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310644466.0A Pending CN104696270A (en) | 2013-12-05 | 2013-12-05 | Blade turning angle adjusting mechanism of axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104696270A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058272A (en) * | 2015-08-14 | 2015-11-18 | 迪皮埃复材构件（太仓）有限公司 | Corner block locating device of wind power blade |
| CN105508286A (en) * | 2015-12-14 | 2016-04-20 | 江苏省水利勘测设计研究院有限公司 | Axial flow type water pump with foldable blade water inlet side |
| CN112025185A (en) * | 2019-06-04 | 2020-12-04 | 江苏超惠环保科技有限公司 | Positioning tool for welding fan impeller |
-
2013
- 2013-12-05 CN CN201310644466.0A patent/CN104696270A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058272A (en) * | 2015-08-14 | 2015-11-18 | 迪皮埃复材构件（太仓）有限公司 | Corner block locating device of wind power blade |
| CN105508286A (en) * | 2015-12-14 | 2016-04-20 | 江苏省水利勘测设计研究院有限公司 | Axial flow type water pump with foldable blade water inlet side |
| CN105508286B (en) * | 2015-12-14 | 2018-02-06 | 江苏省水利勘测设计研究院有限公司 | A kind of blade enters the reflexibie axial flow pump in waterside |
| CN112025185A (en) * | 2019-06-04 | 2020-12-04 | 江苏超惠环保科技有限公司 | Positioning tool for welding fan impeller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150610 |