CN104806561A - Adjustable pump with adjusting device for widening impeller outlet - Google Patents
Adjustable pump with adjusting device for widening impeller outlet Download PDFInfo
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- CN104806561A CN104806561A CN201410544878.1A CN201410544878A CN104806561A CN 104806561 A CN104806561 A CN 104806561A CN 201410544878 A CN201410544878 A CN 201410544878A CN 104806561 A CN104806561 A CN 104806561A
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- impeller
- blade
- pump
- wing part
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Abstract
The invention provides an adjustable pump with an adjusting device for widening an impeller outlet. The adjustable pump with the adjusting device for widening the impeller outlet comprises a driving shaft, an impeller sleeves at the driving shaft, two elastic pieces respectively and symmetrically arranged at both sides of the impeller and a pressure module; the impeller comprises a first impeller and a second impeller which are meshed to each other; the pressure module drives the first impeller and/or the second impeller to move along the axial direction of the driving shaft so as to adjust the space between two impellers.
Description
Technical field
The present invention relates to pump class, particularly the tunable pump of impeller outlet controlling device widened by a kind of band.
Background technique
Pump, at work in order to adapt to different working conditions, usually needs the flow and the pressure that convert pump output, and the oneself factor of the flow and pressure that affect pump output mainly contains the rotating speed that two: is impeller; Two is width of impeller.But the flow and the pressure that change pump output at present on the market are mainly realized by the method changing wheel speed, and also do not occur a kind of by regulating the width of impeller to change the output flow of pump and the scheme of pressure.
Summary of the invention
Based on the problems referred to above, the invention provides the tunable pump that impeller outlet controlling device widened by a kind of band.
The tunable pump that impeller outlet controlling device widened by described band comprises live axle, is sheathed on the impeller of described live axle, two elastic components and modular pressure, described impeller comprises intermeshing first impeller and the second impeller, described two elastic components are symmetricly set in described impeller both sides respectively, and described modular pressure drives described first impeller and/or described second impeller to move to regulate the spacing between two impellers along described live axle axial direction.
In a preferred embodiment of the present invention, described modular pressure drives described first impeller and described second impeller to move to regulate the spacing between two impellers along described live axle synchronous backward.
In a preferred embodiment of the present invention, the outer wall of described live axle is provided with a protruding circle, described first impeller and the second impeller are equipped with respectively in described projection circle both sides and coordinate and form cavity, described modular pressure comprises hydraulic tube and delivery hole, and described delivery hole is communicated with described hydraulic tube and described cavity.
In a preferred embodiment of the present invention, the tunable pump that impeller outlet controlling device widened by described band also comprises two spacing interstage sleeves, described two spacing interstage sleeve fixed covers are located at described live axle and the symmetrical interval of relatively described impeller is arranged, and described elastic component elastic clip is located between described impeller and described spacing interstage sleeve.
In a preferred embodiment of the present invention, described first impeller comprises the first wheel disc and array distribution in multiple first blades on described first surface, wheel disc side, and each first blade comprises in stepped first wing part and the second wing part; Described second impeller comprises the second wheel disc and array distribution in multiple second blades of described second wheel disc one side surface, each second blade comprises in stepped three wings part and the 4th wing part, described multiple first blade and described multiple second blade one_to_one corresponding are arranged, first wing part of wherein said first blade is corresponding with the 4th wing part of described second blade, and the second wing part of described first blade divides corresponding with the flap portion of described second blade.
In a preferred embodiment of the present invention, described first blade and described second blade are arc shaped blade, the ladder surface that described first wing part and the second wing part are formed is positioned at the back side of described first blade, and the ladder surface that described three wings part and the 4th wing part are formed is positioned at the upstream face of described second blade.
In a preferred embodiment of the present invention, described second wing part extends to form towards the direction away from described first wheel disc from described first wing part, and its radial thickness is less than the radial thickness of described first wing part, described 4th wing part extends to form towards the direction away from described second wheel disc from described three wings part, and its radial thickness is less than the radial thickness of described three wings part.
In a preferred embodiment of the present invention, the tunable pump that impeller outlet controlling device widened by described band also comprises pump case, described live axle runs through described pump case, described pump case comprises the pump housing and pump cover, the described pump housing is provided with fluid input and fluid output, and the described pump housing and the cooperation of described pump cover limit the cavity of accommodating described impeller, and described impeller is housed in described cavity, and rotate according to direction initialization, flow to fluid output with driving fluid from fluid input.
In a preferred embodiment of the present invention, described hydraulic tube is blind pipe.
Band provided by the invention widens the tunable pump of impeller outlet controlling device by improving impeller, impeller is arranged to intermeshing first impeller and the second impeller, and be provided with and drive described first impeller and/or described second impeller to move the modular pressure of the spacing regulated between two impellers along described live axle axial direction, thus regulate the width of whole impeller, to realize the control to output flow and pressure, overcome all the time not by regulating impeller width to the defect of the output flow and pressure that change pump.And structure is simple, easy for operation, can in its running regulation output flow and pressure at any time, and do not affect the efficiency of pump.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the perspective view that tunable pump one preferred embodiment of impeller outlet controlling device widened by band of the present invention;
Fig. 2 is the partial exploded view that shown in Fig. 1, the tunable pump of impeller outlet controlling device widened by band;
Fig. 3 is the structural representation that shown in Fig. 1, the tunable pump impeller of impeller outlet controlling device widened by band;
Fig. 4 is the partial sectional view of elastic component shown in Fig. 1 when not producing elastic strain;
Partial sectional view when Fig. 5 is the generation of elastic component shown in Fig. 1 maximum flexibility deformation.
Embodiment
Be clearly and completely described to the technological scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
See also Fig. 1 to Fig. 5, the embodiment of the invention discloses the tunable pump that impeller outlet controlling device widened by a kind of band, the tunable pump 100 that impeller outlet controlling device widened by described band comprises pump case (non-label), live axle 2, impeller 3, spacing interstage sleeve 4, fixed cover 5, elastic component 6, modular pressure (non-label), bearing housing assembly 7, end cap 8 and drive motor (not shown), wherein said spacing interstage sleeve 4, fixed cover 5, elastic component 6, bearing housing assembly 7 and end cap 8 are arranged all in pairs, described impeller 3 both sides are arranged at respectively with the Central Symmetry of described impeller 3.
Described pump case comprises the pump housing 11 and pump cover 12.The described pump housing 11 is provided with fluid input 112 and fluid output 111.The described pump housing 11 and described pump cover 12 coordinate the cavity (non-label) limiting the described impeller 3 of collecting.Described impeller 3 is housed in described cavity, and rotates according to direction initialization, is transferred to fluid output 111 with driving fluid from described fluid input 112.
Described live axle 2 is cylinder-shaped shafts of an elongated rod shape, and its one end is connected on described drive motor by chain or rotating band, and the other end runs through described pump case, and is fixed with the described pump housing 11 by described bearing housing assembly 7 and end cap 8.Described live axle 2, under the driving effect of described drive motor, does the circular movement of direction initialization.The outer wall surface of described live axle 2 intermediate section is provided with a protruding circle 21.
Described impeller 3 is sheathed on described live axle 2 and is housed in described cavity.Described impeller 3 comprises the first impeller 31 and the second impeller 32 engaging each other setting, and the projection that the two engagement sleeves is located at described live axle 2 encloses 21 both sides and sheathed described projection circle 21.
Again incorporated by reference to consulting Fig. 3, it is the structural representation that shown in Fig. 1, the tunable pump impeller of impeller outlet controlling device widened by band.Described first impeller 31 comprises the first wheel disc 311, be positioned at the hub structure 312 at described first wheel disc 311 center and spaced apart in multiple first blades 313 of described first wheel disc 311 1 side surface.Described first impeller 31 is set on described live axle 2 by described hub structure 312.Described hub structure 312 comprises size and is set to sternly leakproof fit first position, hole (non-label) and diameter with the diameter of described live axle 2 and is greater than second position, hole (non-label) of described first position, hole diameter.Described first position, hole and the second position, hole are the through hole of concentric.The internal face of described second position, hole is inclined-plane.Described hub structure 312 connects preferably by positioning key, and described positioning key drives described first impeller 31 to rotate together with described live axle 2.Described first blade 313 is to the bending arc shaped blade of described hub structure 312.Each first blade 313 comprises in stepped first wing part 3131 and the second wing part 3132.Described two wing parts 3132 extend to form towards the direction away from described first wheel disc 311 from described first wing part 3131, and its radial thickness is less than the radial thickness of described first wing part 3132.The ladder surface that described first wing part 3131 and the second wing part 3132 are formed is positioned at the back side of described first blade 313.Described first blade 313 can be one-body molded with described first wheel disc 311, also can be welded and fixed with described first wheel disc 311.
The structure of described second impeller 32 is similar to described first impeller 31, and it comprises the second wheel disc 321, be positioned at the hub structure 322 at described second wheel disc 321 center and spaced apart in multiple second blades 323 of described second wheel disc 321 1 side surface.Described second impeller 32 is set on described live axle 2 by described hub structure 322.Described hub structure 322 comprises size and is set to sternly leakproof fit 3rd position, hole (non-label) and diameter with the diameter of described live axle 2 and is greater than the 4th position, hole (non-label) of described 3rd position, hole diameter.Described 3rd position, hole and the 4th position, hole are the through hole of concentric.The internal face of described 4th position, hole is inclined-plane.Described hub structure 322 connects preferably by positioning key, and described positioning key drives described second impeller 32 to rotate together with described live axle 2.Described second blade 323 is to the bending arc shaped blade of described hub structure 322.Each second blade 323 comprises in stepped three wings part 3231 and the 4th wing part 3232.Described four wing parts 3232 extend to form towards the direction away from described second wheel disc 321 from described three wings part 3231, and its radial thickness is less than the radial thickness of described three wings part 3231.The ladder surface that described three wings part 3231 and the 4th wing part 3232 are formed is positioned at the upstream face of described second blade 323.Described second blade 323 can be one-body molded with described second wheel disc 321, also can be welded and fixed with described second wheel disc 321.
Multiple first blades 313 of described first impeller 31 are arranged with multiple second blade 323 one_to_one corresponding of described second impeller 32, first wing part 3131 of wherein said first blade 313 is corresponding with the 4th wing part 3232 of described second blade 323, and the second wing part 3132 of described first blade 313 is corresponding with the three wings part 3231 of described second blade 323.
After installation, described first impeller 31 and described second impeller 32 engagement sleeves are located at described projection and are enclosed 21 both sides and described projection is enclosed 21 and accommodate in the inner.More specifically, first position, hole of described first impeller 31 and the first position, hole of described second impeller 32 tightly coordinate with described live axle 2, and the end that the internal face of the internal face of the second position, hole of described first impeller 31 and the second position, hole of described second impeller 32 encloses 21 with described projection respectively abuts against.Because the internal face of described second position, hole is inclined-plane, therefore described first impeller 31 and the second impeller 32 abut for local with the end that described projection encloses 21, enclose 21 form cavity 34 with described projection.Described first blade 313 and the second blade 323 are located between described first wheel disc 311 and the second wheel disc 321, the two is meshed, the ladder surface that second wing part 3132 and three wings part 3231 and the 4th wing part 3232 of described second blade 323 of wherein said first blade 313 are formed abuts against, and the ladder surface that the 4th wing part 3232 and the first wing part 3131 and second wing part 3132 of described first blade 313 of described second blade 323 are formed abuts against.
In radial directions, described first impeller 31 and the second impeller 32 are fixed respectively by described hub structure 312,322 and described live axle 2, and in the axial direction, described first impeller 31 and the second impeller 32 can move within the specific limits along the axial direction of described live axle 2.
Described spacing interstage sleeve 4 is roughly in hollow cylindrical structure.Described two spacing interstage sleeve 4 fixed covers are located on described live axle 2, and the symmetrical interval of relatively described impeller 3 is arranged.Across a certain distance, what which defines described first impeller 31 and the second impeller 32 moves axially distance for described spacing interstage sleeve 4 and described impeller 3 phase.
Described fixed cover 5 is equally in hollow cylindrical structure, and it is set on described spacing interstage sleeve 4, for being fixed with described live axle 2 by described spacing interstage sleeve 4.
Described two elastic components 6 are symmetricly set between described first impeller 31 and described spacing interstage sleeve 4 and between described second impeller 32 and described spacing interstage sleeve 4 respectively.Described elastic component 6 can be the hollow circular cylinder or conical ring plate that are processed by elastic material, also can be a Compress Spring.Within the scope of elastic strain, described elastic component 6 is corresponding after being subject to the effect that compresses of described impeller 3 produces compressive deformation, thus the spacing between described first impeller 31 and the second impeller 32 is increased, after supporting distress resolves, described elastic component 6 recovers deformation and reacts on described impeller 3, and the spacing between described first impeller 31 and the second impeller 32 is reduced.
Described modular pressure moves to regulate the spacing between two impellers along described live axle 2 synchronous backward for driving described first impeller 31 and described second impeller 32.Particularly, described modular pressure comprises the described live axle 2 axially hydraulic tube 22 that arranges of direction and the delivery hole 23 that arranges in its radial direction.Described hydraulic tube 22 is blind pipe, and its end face from described live axle 2 one end extends to the inside of described live axle 2, and it is inner to end at described live axle 2.The opening end of described hydraulic tube 22 can be communicated with the oil pipe (not shown) of described drive motor.Described delivery hole 23 is communicated with described hydraulic tube 22 and described cavity 34.
Again please refer to Fig. 4 and Fig. 5, represent two kinds of different output flows when tunable pump 100 that described band widens impeller outlet controlling device works and pressure respectively, wherein Fig. 4 is the partial sectional view of elastic component shown in Fig. 1 when not producing elastic strain, now described band widen the output flow of the tunable pump 100 of impeller outlet controlling device and pressure minimum, Fig. 5 is the partial sectional view of elastic component shown in Fig. 1 when producing maximum flexibility deformation, now described band widen the output flow of the tunable pump 100 of impeller outlet controlling device and pressure maximum.Tunable pump 100 output flow of impeller outlet controlling device widened by described band and pressure controlled working principle is: pour into hydraulic oil from the opening end of described hydraulic tube 22 to its inside, along with increasing gradually of oil mass in described hydraulic tube 22, hydraulic oil can slowly overflow in described cavity 43 from described delivery hole 23 and be full of described cavity 43, pressure in described cavity 43 is increased gradually, under the pressure effect of hydraulic oil, described first impeller 31 and the second impeller 32 move in the opposite direction respectively and compress and act on described elastic component 6, described elastic component 6 is corresponding after being subject to the effect that compresses produces compressive deformation, spacing between described first impeller 31 and the second impeller 32 is increased gradually, then the whole width of described impeller 3 increases, namely the effective active area of described impeller 3 increases, thus make described band widen output flow and the pressure increase of the tunable pump 100 of impeller outlet controlling device, therefore, only the pressure of the oil mass of hydraulic oil in described hydraulic tube 22 or hydraulic oil need be regulated just can to realize widening tunable pump 100 output flow of impeller outlet controlling device and the control of pressure to described band.The oil mass of the hydraulic oil in described cavity 43 is more, or the pressure of hydraulic oil is larger, and the compressive deformation of described elastic component 6 is larger.If desired output flow and the pressure that the tunable pump 100 of impeller outlet controlling device widened by described band is reduced, then reduce the oil mass of hydraulic oil or the pressure of hydraulic oil in described hydraulic tube 22, described elastic component 6 recovers compressive deformation or compressive deformation diminishes, thus the spacing between described first impeller 31 and the second impeller 32 reduces, and then described band widens output flow and the pressure minimizing of the tunable pump 100 of impeller outlet controlling device.
Compared to prior art, band provided by the invention widens the tunable pump of impeller outlet controlling device by improving impeller, impeller is arranged to intermeshing first impeller and the second impeller, and be provided with and drive described first impeller and/or described second impeller to move the modular pressure of the spacing regulated between two impellers along described live axle axial direction, thus regulate the width of whole impeller, to realize the control to output flow and pressure, overcome all the time not by regulating impeller width to the defect of the output flow and pressure that change pump.And structure is simple, easy for operation, can in its running regulation output flow and pressure at any time, and do not affect the efficiency of pump.
Certainly as the further improvement of above-mentioned mode of execution, the opening end of described hydraulic tube 22 also can be connected with other device, and the liquid poured in described hydraulic tube 22 is not only confined to hydraulic oil, also can be other band press liquid or gas.In addition, in order to prevent the hydraulic oil in described cavity 34 from overflowing in the gap between described impeller 3 and described live axle 2, described first impeller 31 and the second impeller 32 can also arrange seal ring with the contact position of described live axle 2 at adjacent end place.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. the tunable pump of impeller outlet controlling device widened by a band, it is characterized in that, comprise live axle, be sheathed on the impeller of described live axle, two elastic components and modular pressure, described impeller comprises intermeshing first impeller and the second impeller, described two elastic components are symmetricly set in described impeller both sides respectively, and described modular pressure drives described first impeller and/or described second impeller to move to regulate the spacing between two impellers along described live axle axial direction.
2. the tunable pump of impeller outlet controlling device widened by band according to claim 1, it is characterized in that, described modular pressure drives described first impeller and described second impeller to move to regulate the spacing between two impellers along described live axle synchronous backward.
3. the tunable pump of impeller outlet controlling device widened by band according to claim 2, it is characterized in that, the outer wall of described live axle is provided with a protruding circle, described first impeller and the second impeller are equipped with respectively in described projection circle both sides and coordinate and form cavity, described modular pressure comprises hydraulic tube and delivery hole, and described delivery hole is communicated with described hydraulic tube and described cavity.
4. the tunable pump of impeller outlet controlling device widened by band according to claim 3, it is characterized in that, the tunable pump that impeller outlet controlling device widened by described band also comprises two spacing interstage sleeves, described two spacing interstage sleeve fixed covers are located at described live axle and the symmetrical interval of relatively described impeller is arranged, and described elastic component elastic clip is located between described impeller and described spacing interstage sleeve.
5. the tunable pump of impeller outlet controlling device widened by band according to claim 1, it is characterized in that, described first impeller comprises the first wheel disc and array distribution in multiple first blades on described first surface, wheel disc side, and each first blade comprises in stepped first wing part and the second wing part; Described second impeller comprises the second wheel disc and array distribution in multiple second blades of described second wheel disc one side surface, each second blade comprises in stepped three wings part and the 4th wing part, described multiple first blade and described multiple second blade one_to_one corresponding are arranged, first wing part of wherein said first blade is corresponding with the 4th wing part of described second blade, and the second wing part of described first blade divides corresponding with the flap portion of described second blade.
6. the tunable pump of impeller outlet controlling device widened by band according to claim 5, it is characterized in that, described first blade and described second blade are arc shaped blade, the ladder surface that described first wing part and the second wing part are formed is positioned at the back side of described first blade, and the ladder surface that described three wings part and the 4th wing part are formed is positioned at the upstream face of described second blade.
7. the tunable pump of impeller outlet controlling device widened by band according to claim 6, it is characterized in that, described second wing part extends to form towards the direction away from described first wheel disc from described first wing part, and its radial thickness is less than the radial thickness of described first wing part, described 4th wing part extends to form towards the direction away from described second wheel disc from described three wings part, and its radial thickness is less than the radial thickness of described three wings part.
8. the tunable pump of impeller outlet controlling device widened by band according to claim 1, it is characterized in that, the tunable pump that impeller outlet controlling device widened by described band also comprises pump case, described live axle runs through described pump case, described pump case comprises the pump housing and pump cover, the described pump housing is provided with fluid input and fluid output, the described pump housing and the cooperation of described pump cover limit the cavity of accommodating described impeller, described impeller is housed in described cavity, and rotate according to direction initialization, flow to fluid output with driving fluid from fluid input.
9. the tunable pump of impeller outlet controlling device widened by band according to claim 3, it is characterized in that, described hydraulic tube is blind pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544878.1A CN104806561B (en) | 2014-10-15 | 2014-10-15 | Adjustable pump with adjusting device for widening impeller outlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544878.1A CN104806561B (en) | 2014-10-15 | 2014-10-15 | Adjustable pump with adjusting device for widening impeller outlet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104806561A true CN104806561A (en) | 2015-07-29 |
| CN104806561B CN104806561B (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544878.1A Active CN104806561B (en) | 2014-10-15 | 2014-10-15 | Adjustable pump with adjusting device for widening impeller outlet |
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| CN (1) | CN104806561B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106499661A (en) * | 2015-09-07 | 2017-03-15 | 安诺维雷韦尔贝里有限公司 | Mechanical connection component |
| CN106555768A (en) * | 2016-11-07 | 2017-04-05 | 长沙山水节能研究院有限公司 | Online adjustable centrifugal pump and its on-line control method |
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| DE688886C (en) * | 1937-09-10 | 1940-03-05 | Siemens Schuckertwerke Akt Ges | Impeller for water ring pumps for pumping air or gases |
| EP1743101B1 (en) * | 2004-04-26 | 2009-07-08 | Ebara Corporation | Centrifugal pump and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106499661A (en) * | 2015-09-07 | 2017-03-15 | 安诺维雷韦尔贝里有限公司 | Mechanical connection component |
| CN106555768A (en) * | 2016-11-07 | 2017-04-05 | 长沙山水节能研究院有限公司 | Online adjustable centrifugal pump and its on-line control method |
| CN106555768B (en) * | 2016-11-07 | 2019-07-02 | 长沙山水节能研究院有限公司 | Online adjustable centrifugal pump and its on-line control method |
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| Publication number | Publication date |
|---|---|
| CN104806561B (en) | 2017-02-15 |
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