KR101490077B1 - A pumping type axial flow pump - Google Patents

A pumping type axial flow pump Download PDF

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Publication number
KR101490077B1
KR101490077B1 KR20140031571A KR20140031571A KR101490077B1 KR 101490077 B1 KR101490077 B1 KR 101490077B1 KR 20140031571 A KR20140031571 A KR 20140031571A KR 20140031571 A KR20140031571 A KR 20140031571A KR 101490077 B1 KR101490077 B1 KR 101490077B1
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KR
South Korea
Prior art keywords
impeller
pump
shaft
pumping
spline
Prior art date
Application number
KR20140031571A
Other languages
Korean (ko)
Inventor
주정함
Original Assignee
주정함
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Priority to KR20140031571A priority Critical patent/KR101490077B1/en
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Publication of KR101490077B1 publication Critical patent/KR101490077B1/en

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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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/064—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077—Safety measures
    • F04D15/0083—Protection against sudden pressure change, e.g. check valves
    • 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/406—Casings; Connections of working fluid 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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers 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
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
    • F04D3/00—Axial-flow pumps
    • F04D3/02—Axial-flow pumps of screw type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/02—Self-priming pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/04—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members
    • F16H1/06—Toothed gearings for conveying rotary motion without gears having orbital motion involving only two intermeshing members with parallel axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/11—Kind or type liquid, i.e. incompressible
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps

Abstract

[0001] The present invention relates to an axial-flow type pump for pumping operation, in which a suction force and a ground output are improved by a volumetric pumping operation by a virtual piston formed by reciprocating motion of an impeller together with a rotation by an impeller, .
That is, the present invention is characterized in that, in the axial flow type pump, pumping driving means is provided for reciprocating the impeller to form a virtual piston which performs a volumetric pumping operation.
Accordingly, the present invention includes a pumping drive means for reciprocating the impeller to form a virtual piston that performs a volumetric pumping operation, so that the volumetric pumping transfer by the virtual piston formed by the impeller as well as the transfer by the rotation of the impeller So that the suction force and the discharge pressure are increased.
In addition, the suction force is elevated so that a self-stimulation can be easily performed, and a volumetric pumping action is performed along with the rotation, so that a transported object having the same length, such as a transported object or algae mixed with foreign matter, is transported without being damaged.
In addition, it is possible to carry out self-absorption of the particle material because of easy self-exhalation.

Description

[0001] The present invention relates to a pumping type axial flow pump,

More particularly, the present invention relates to an axial-flow type pump, and more particularly, to an axial-flow type pump which includes pumping drive means for reciprocating the impeller to form a virtual piston which performs a volumetric pumping action, And the suction force and the toe output are improved by the volumetric pumping operation by the virtual piston formed by the reciprocating motion of the impeller.

In general, a pump is one that imparts transferring energy to the fluid in a transportable manner.

Such pumps include a piston pump, an axial flow pump, a centrifugal flow pump, a gear pump, a vane puff, and a rotary pump.

The axial flow pump includes an impeller pump having a plurality of blades at equal intervals around a pump axis, and a screw pump provided on the outer surface of the pump shaft so as to have spiral wings continuously.

The impeller pump includes a cylindrical pump housing and an impeller housed in the pump housing. The impeller pump transports the object to be conveyed inside the pump housing by lifting force generated by wings provided on the pump shaft.

The screw pump is composed of a cylindrical pump housing and a screw housed in the pump housing, and the object to be conveyed is pushed by the wings formed in a spiral shape on the outer periphery of the pump shaft.

However, the conventional axial flow type pump described above has a problem in that the object to be conveyed is conveyed by the rotation of the wing provided on the pump shaft, so that the suction force is weak and the self-excitation is not easy and the discharge pressure is weak.

Particularly, there has been a problem that it is impossible to carry out the self-excitation of the conveying object made of the particulate material.

In addition, the conventional axial-flow type pump has a problem in that it is not easy to transfer a conveyed object having a foreign substance or a conveyed object having a length.

Korean Patent Publication No. 1994-0021940

As described above, the present invention solves the problem that the conventional axial flow type pump is weak in suction force and discharge pressure and is not easy to self-reciprocate, and is difficult to transfer a conveyed object containing foreign matter or a conveyed object having the same length .

That is, the present invention is characterized in that, in the axial flow type pump, pumping driving means is provided for reciprocating the impeller to form a virtual piston which performs a volumetric pumping operation.

Accordingly, the present invention includes a pumping drive means for reciprocating the impeller to form a virtual piston that performs a volumetric pumping operation, so that the volumetric pumping transfer by the virtual piston formed by the impeller as well as the transfer by the rotation of the impeller So that the suction force and the discharge pressure are increased.

In addition, the suction force is elevated so that the self-absorption is facilitated and the volumetric pumping action is performed along with the rotation, so that the transfer object having the same length, such as the transported object or the algae mixed with the foreign substance, can be clearly transported.

In addition, it is possible to carry out self-absorption of the particle material because of easy self-exhalation.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective exploded view of a main component according to an embodiment of the present invention; FIG.
FIG. 2 is a perspective view of an embodiment according to the present invention. FIG.
3 is a cross-sectional side view of an embodiment according to the present invention.
Fig. 4 is an exemplary view showing that a telescopic shaft according to the present invention is implemented with a ball spline shaft as a female part; Fig.
FIG. 5 is an exemplary view showing a telescopic shaft according to an embodiment of the present invention when the spline shaft is used as a female part; FIG.
FIG. 6 is an exemplary view showing that a telescopic shaft according to the present invention is implemented with a serration axis as a female part;
FIG. 7 is an exemplary view showing that a telescopic shaft according to the present invention is implemented with a groin shaft as a shaft; FIG.
FIG. 8 is an exemplary view showing that a telescopic shaft according to the present invention is implemented with a female portion of a bellows shaft; FIG.
9A and 9B are views showing an example in which the pumping driver according to the present invention is constituted by a cam actuator composed of a reciprocating drive column.
10 is an exemplary view showing that the pumping driver according to the present invention is constituted by a cam actuator having cam protrusions and cam grooves.
11 is a view showing an example in which the pumping driver according to the present invention is constituted by a solenoid actuator.
FIG. 12 is an exemplary view showing a pumping actuator according to the present invention constructed as a pneumatic actuator. FIG.
13 is a view showing an example in which the pumping driver according to the present invention is formed of a reciprocating drive pinion gear.
FIG. 14 is an exemplary view showing a check valve provided on an impeller blade in the practice of the present invention; FIG.
Fig. 15 is an exemplary view showing a wing of an impeller provided with a check blade in the practice of the present invention. Fig.
16 is an exemplary view showing that an impeller is provided with an interference prevention net in a blade according to the present invention.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the present invention, the conveying object by the impeller is conveyed by rotation, and the volumetric pumping by the virtual piston is performed, thereby improving the self-suction force and the discharge pressure. Thus, self-absorption of the conveying object is easy and the conveying object is discharged clearly and efficiently .

1 to 3, an impeller 200 having a wing 210 at an outer periphery of a pump shaft 220 and an impeller 200 are accommodated in the impeller 200 and an inlet port 111 And a discharge port 112 is formed on the other side of the impeller 200. The pump housing 100 is provided at one side of the pump housing 100 and is fixed to the impeller 200 to rotationally drive the impeller 200 And a pumping drive means for driving the impeller 200 to reciprocate to form a virtual piston for pumping operation.

A pumping stroke space of the impeller 200 is formed in the pump housing 100.

The driving unit 300 may selectively implement any one of an electric motor, a hydraulic motor, and an engine.

The driving unit 300 may be selectively installed at any one of the inlet 111 and the outlet 112 of the pump housing 100.

An inlet port 111 of the pump housing 100 and a discharge port 112 of the drive port 300 are formed to be opened laterally in the pump housing 100, And a conveying guide curved body 120 for allowing a conveyed object to be curved to flow on an edge formed on the inner wall of the pump housing 100 on the inlet side.

The blades 210 provided on the outer surface of the pump shaft 220 of the impeller 200 are configured to form a virtual surface having a closed sectional area of projection.

The pumping driving means includes a pivoting shaft for axially coupling the driving unit 300 and the impeller 200 so as to absorb a change in axial length, and a pumping driving unit for volumetrically pumping the exciter 200 and the impeller 200 in the axial direction Respectively.

Hereinafter, a description will be made of an embodiment of the extensible shaft joint portion as follows.

As shown in FIG. 4, the extensible shafts are provided on either one of the driving unit 300 and the impeller 200, the spline groove formed on the inner surface, the driving unit 300, and the impeller 200 And a spline shaft which is formed on an outer surface of the spline groove and which is axially coupled to the spline tube, and a spline groove accommodated in the spline groove and provided in the spline groove, As shown in FIG.

As shown in FIG. 5, the extensible shafts are provided on either one of the driving unit 300 and the impeller 200, the spline pipe formed on the inner surface of the spline, the driving unit 300, and the other one of the impeller 200 And a spline shaft having a spline shaft formed on an outer surface thereof and axially coupled to the spline tube.

As shown in FIG. 6, the extensible shafts are disposed on either one of the driving unit 300 and the impeller 200, and the serration is formed on the inner surface of the serration tube, the driving unit 300, and the impeller 200 And a serration shaft provided on one side and formed of serration rods formed on the outer surface and axially coupled to the serration tube.

7, the extensible shafts and concave portions are formed on one side of the driving unit 300 and the impeller 200 and are formed of polygonal tubular members, and the other of the driving unit 300 and the impeller 200 And a polygonal prism 430 formed of a polygonal bar corresponding to the polygonal tube and formed of a polygonal bar that is axially coupled to the polygonal tube.

As shown in FIG. 8, the extensible shafts and concave portions are composed of a bellows shaft 440 constituted by a bellows tube which is axially coupled to a driving shaft of the driving unit 300 and a pump shaft of the impeller 200, .

In addition, the extensible shafts and concave portions can be implemented by applying all the extensible shafts applied to the shaft coupling in addition to the above-described embodiments.

Hereinafter, an embodiment of the pumping driver will be described.

The pumping driving unit includes a cam actuator for pumping the pump shaft 220 of the impeller 200 in the axial direction.

9A, the cam actuator includes a reciprocating driving column 511 inclined to the pump shaft 220 and a reciprocating driving column 511 connecting the reciprocating driving column 511 to the shaft housing 310, And a pull bar 512.

The reciprocating driving draw bar 512 is coupled to the shaft housing 310 in a rotatable manner and extensively connected to the end of the draw link 512a and a draw link 512a coupled to the shaft housing 310 in the axial direction, And a column restraining bearing portion 512b for restraining rotation of the outer periphery of the column restraining bearing portion 512b.

9B, the cam actuator has a decelerating shaft 514 that is electrically coupled to the driving unit 300 and the decelerating gear 513. The reciprocating driving column 511, which is inclined to the decelerating shaft 514, And a reciprocating drive draw bar 512 which rotatably restrains the pump shaft 220 by rolling the reciprocating drive column 511.

10, the cam actuator includes a cam protrusion 521 on one side of the pump shaft 220 and the inner wall of the shaft housing 310, and on the other side thereof, And a cam groove 522 that reciprocates according to the rotation of the shaft 220.

11, the solenoid actuator 530 includes a solenoid actuator 530 for pumping the impeller 200 by a magnetic force in the axial direction and returning the impeller 200 by the rotational discharge pressure, as shown in FIG. will be.

As shown in FIG. 12, the pumping actuator may include a pneumatic actuator 540 for pumping the pump shaft 220 in the axial direction by a pneumatic pressure.

As shown in FIG. 13, the pumping driving unit includes a gear housing 551 that is axially slidably received in the shaft housing 310 and a sliding portion 551 that is slidably mounted on the driving unit 300 side of the gear housing 551. [ A drive bevel gear 552 which is axially supported and axially connected to the drive unit 300; a pump bevel gear 553 which is axially mounted on the pump side of the gear housing 551 and is fixed to the pump shaft 220; A reciprocating driving pinion gear 554 and a reciprocating driving pinion gear 555 provided on both sides so as to be coupled with each other between the pump bevel gear 553 and the pump bevel gear 553 and the reciprocating driving pinion gear 555 provided on the reciprocating driving pinion gear 554, And a reciprocating motion guide groove 556 for guiding the axial housing to reciprocate in the axial direction by limiting the axial flow and allowing the axial flow to flow only in the width direction.

In addition to the above-described embodiments, the present invention can be implemented by applying a pumping driving method in which the impeller 200 is operated in a volumetric pumping operation in conjunction with a rotating operation.

In the pumping operation of the impeller 200 by the pumping driving unit, the return stroke speed is lower than the pressure stroke speed so that the negative pressure in the discharge port 112 is minimized during the return stroke of the impeller 200 It is preferable to perform the operation.

Hereinafter, another embodiment of the impeller in the practice of the present invention will be described.

It is possible to provide the unidirectional opening means for reducing the negative pressure on the side of the discharge port 112 during the return operation of the impeller 200 to the impeller 200 of the impeller 200 to improve the pumping efficiency.

Here, the unidirectional opening means can be implemented by a check valve 211 provided in the vane 210 as shown in FIG.

Another embodiment of the unidirectional opening unit may include a check blade 212 in which a part of the blade 210 is opened and unfolded toward the discharge port 112 as shown in FIG.

As shown in FIG. 16, the wing 210 having the unidirectional opening means may be provided with an interference prevention network 213 to prevent foreign matter from being caught in the negative pressure decompression process.

In addition, the unidirectional opening means can be implemented in such a manner that the impeller 200 is rotated in one direction so that the blades 210 are horizontally aligned in the axial direction during the return stroke.

Hereinafter, the operation of the present invention will be described.

As described above, the axial flow type pump includes pumping driving means for reciprocating the impeller 200 to form a virtual piston that performs a volumetric pumping operation, and the pumping driving means includes a driving shaft of the driving portion 300 and an impeller 200 And a pumping driving unit for pumping the impeller 200 in the axial direction so as to absorb changes in the axial length of the impeller 200. In this way, The impeller 200 is rotated by the rotation of the driving unit 300 so that the conveyed object is pushed by the wings 210 of the spiral formed impeller 200 to be conveyed.

At this time, the impeller 200 performs a volumetric pumping operation in the pump housing 100 by the pumping driving unit of the pumping driving means.

As described above, when the volumetric pumping operation is performed by the impeller 200, the cross-sectional area projected in the axial direction of the impeller 200 forms a closed cross-sectional area in the pumping stroke process by the pumping driving unit, And the object to be conveyed is pumped and discharged to the discharge port 112. [

Then, the impeller 200 is returned to the return stroke by the pumping driving unit, and the conveyed object pushed toward the discharge port 112 side through the pumping stroke process is continuously conveyed toward the discharge port 112 by the inertial flow, (200) is to be returned.

As the above process is repeatedly performed, the self-priming force and the discharge pressure are improved, and the transported object is transported clearly and efficiently, and the pumping work by self-absorption is facilitated by the improvement of the suction force.

If the return stroke of the pumping actuation unit is lower than the pumping stroke, the transfer resistance of the object to be inertially flowed is minimized, and a negative pressure is not formed on the discharge port 112 side in the pumping return stroke of the impeller 200 will be.

If the expansion and contraction axis joint is performed by the ball spline shaft 400 and the spline shaft 410, the serration axis joint 420 and the polygonal axis joint 430, So that the impeller 200 can be easily engaged.

When the bellows shaft 440 is constructed as a part of the expansion / contraction shaft, noise is minimized during the virtual piston pumping process by the pumping drive unit.

In addition, if the pumping driver is constructed by a cam actuator, its configuration is simplified and its operation is clearly made.

9B, there is provided a reciprocating driving column 511 having a decelerating shaft 514 which is electromagnetically coupled to the driving unit 300 and the decelerating gear 513, and which is inclined on the decelerating shaft 514 And the reciprocating drive draw bar 512 for rotatably restraining the pump shaft 220. The virtual piston operation of the impeller 200 is easily adjusted in comparison with the rotational speed of the pump shaft 220 .

In addition, if the pumping actuation unit is constituted by the solenoid actuator 530 and the pneumatic pressure actuator 540, the operation of the virtual piston of the impeller 200 is clearly performed and the control thereof is facilitated.

The pump driving unit is implemented by a gear housing 551 and a drive bevel gear 552, a pump bevel gear 553, and a reciprocating drive pinion gear 554, which are housed in the shaft housing 310 so as to be slidable in the axial direction. The virtual piston operation according to the number of revolutions of the impeller 200 can be easily controlled through the drive and the gear ratio adjustment of the pump bevel gear and the reciprocating drive pinion gear 554.

If the check valve 211 or the check blade 212 is provided in the blade 210 of the impeller 200 in the practice of the present invention, The conveying object to be inertially moved through the check valve 211 or the check blade 212 is moved so that the conveying resistance of the conveying object is minimized and a negative pressure is not formed on the discharge port 112 side in the pumping return stroke of the impeller 200 will be.

In addition, when the wedge 210 having the unidirectional opening means is provided with the interference prevention network 213 on the inlet 111 side, the check valve 211 or the check wing 212 may be fitted with a fluid, Only the conveyed object to be prevented is moved so that the operation failure of the check valve 211 or the check blade 212 due to the foreign matter is prevented.

In addition, if the unidirectional opening means is configured such that the impeller 200 is rotated in one direction so as to be horizontal in the axial direction during the return stroke of the impeller 200, The flow resistance of the conveyed object that is inertially flowed is minimized, so that no negative pressure is formed on the discharge port 112 side in the pumping return stroke.

The edge of the pump housing 100 and the inlet port 111 and the outlet port 112 formed on the inner wall of the pump housing 100 at the entrance side of the pump housing 100, When the conveying guide curved body 120 is provided, defective conveyance of the conveyed object to the vortex at the corners is prevented.

As described above, the axial-flow type pump according to the present invention simultaneously performs volumetric pumping transfer along with rotation transmission by the impeller 200, so that it has a strong suction force and a strong earth output of a high pressure increase.

As described above, by having a strong suction force and a high output, it is possible to further improve the efficiency by increasing the number of the impeller blades and applying the guide vanes when fluid is pumped, and can be applied to the high-pressure pump.

Also, the axial flow pump according to the present invention is capable of transporting a conveyed object without damaging the length and damaging the seaweed having a length such as a seaweed or a sea-stall by the volumetric pumping action while the conveying object has a continuous conveying path.

In the pumping transfer process of seaweeds, there is little change in the water content, so seaweed weighing like seaweed can be weighed and sold.

In addition, the axial flow type pump according to the present invention is capable of transporting foreign matter such as manure, and high viscous sludge such as mortar and pulp mixed liquid, without any pinched breath / high pressure / high lift.

In addition, the axial flow type pump according to the present invention is capable of transporting and loading particulate matter such as coal, gravel, leaves, feed, road surface waste, and the like.

In addition, the axial flow type pump according to the present invention is capable of transferring special breath including organisms such as shellfish and fish, and is capable of pumping for fertilizer application.

In addition, the present invention can be carried out by applying a large-volume pump, a high-pressure propellant pump, and a large particle pump.

100: pump housing
111: inlet 112: outlet
120:
200: Impeller
210: wing 211: check valve 212: check wing 213:
220: Pump shaft
300: driving part 310: shaft housing
400: Ball spline shaft
410: spline shaft joint part 420: serration axis joint part
430: polygonal axis 440: bellows axis
511: reciprocating drive column
512: reciprocating drive tow bar
512a: pull link 512b: column restraining bearing portion
513: Reduction gear 514: Reduction shaft
521: Cam protrusion 522: Cam groove
530: Solenoid actuator
540: Pneumatic and hydraulic actuators
551: Gear housing 552: Drive bevel gear
553: Pump bevel gear 554: reciprocating drive pinion gear
555: reciprocating driving traction protrusion 556: reciprocation induction groove

Claims (9)

An axial flow type pump comprising:
And pumping driving means for causing the impeller (200) to reciprocate to form a virtual piston that performs a volumetric pumping operation,
The pumping driving unit includes a pivoting driving unit for pivotally moving the driving unit 300 and the impeller 200 axially so as to absorb changes in the axial length of the driving unit 300 and the impeller 200 in the axial direction ,
The extension /
A spline groove provided on one side of the driving part 300 and the impeller 200 and provided on the other side of the spline tube, the driving part 300 and the impeller 200 formed on the inner surface, and the spline groove is formed on the outer surface, A spline shaft being axially coupled with the pipe, and a spline shaft including a spline pipe and a spline groove accommodated in a spline groove provided in the spline bar;
A spline pipe provided on one side of the driving unit 300 and the impeller 200 and provided on one side of the spline pipe, the driving unit 300 and the impeller 200 having splines formed on the inner surface thereof, A spline shaft constituted by spline rods which are axially coupled to each other;
A serration tube provided on one side of the driving unit 300 and the impeller 200 and provided on the other side of the serration tube, the driving unit 300 and the impeller 200, the serration being formed on the outer surface, A serration shaft consisting of serration rods axially joined to a serration tube;
A polygonal tube provided on one side of the driving unit 300 and the impeller 200 and formed on the other side of the driving unit 300 and the impeller 200, (430) formed of a polygonal bar formed by a sieve and axially coupled to a polygonal tube;
A bellows shaft 440 constituted by a bellows tube body in which a driving shaft of the driving unit 300 and a pump shaft of the impeller 200 are axially coupled and elongated and contracted in a longitudinal direction;
Wherein the pump is configured to selectively supply the pump to the pump.
The method of claim 1, further comprising:
In the volumetric pumping operation of the impeller 200 by the pumping drive unit, the return stroke speed is operated at a speed lower than the pressure stroke speed so as to minimize the generation of negative pressure at the discharge port 112 in the return stroke of the impeller 200 Characterized by a pumping action type axial flow pump.
An axial flow type pump comprising:
And pumping driving means for causing the impeller (200) to reciprocate to form a virtual piston that performs a volumetric pumping operation,
The pumping driving unit includes a pivoting driving unit for pivotally moving the driving unit 300 and the impeller 200 axially so as to absorb changes in the axial length of the driving unit 300 and the impeller 200 in the axial direction ,
In the volumetric pumping operation of the impeller 200 by the pumping drive unit, the return stroke speed is operated at a speed lower than the pressure stroke speed so as to minimize the generation of negative pressure at the discharge port 112 in the return stroke of the impeller 200 Characterized by a pumping action type axial flow pump.
4. The method of claim 3, further comprising:
The extension /
A spline groove provided on one side of the driving part 300 and the impeller 200 and provided on the other side of the spline tube, the driving part 300 and the impeller 200 formed on the inner surface, and the spline groove is formed on the outer surface, A spline shaft being axially coupled with the pipe, and a spline shaft including a spline pipe and a spline groove accommodated in a spline groove provided in the spline bar;
A spline pipe provided on one side of the driving unit 300 and the impeller 200 and provided on one side of the spline pipe, the driving unit 300 and the impeller 200 having splines formed on the inner surface thereof, A spline shaft constituted by spline rods which are axially coupled to each other;
A serration tube provided on one side of the driving unit 300 and the impeller 200 and provided on the other side of the serration tube, the driving unit 300 and the impeller 200, the serration being formed on the outer surface, A serration shaft consisting of serration rods axially joined to a serration tube;
A polygonal tube provided on one side of the driving unit 300 and the impeller 200 and formed on the other side of the driving unit 300 and the impeller 200, (430) formed of a polygonal bar formed by a sieve and axially coupled to a polygonal tube;
A bellows shaft 440 constituted by a bellows tube body in which a driving shaft of the driving unit 300 and a pump shaft of the impeller 200 are axially coupled and elongated and contracted in a longitudinal direction;
Wherein the pump is configured to selectively supply the pump to the pump.
4. The method according to claim 1 or 3,
The pumping driving unit includes a cam actuator for pumping the pump shaft 220 of the impeller 200 in the axial direction,
The cam actuator
A reciprocating drive column 511 inclined to the pump shaft 220 and a reciprocating drive draw bar 512 for coupling the reciprocating drive column 511 to the shaft housing 310 by rolling, The bar 512 is rotatably and retractably coupled to the end of the tow link 512a and a draw link 512a coupled to the shaft housing 310 in an axially rotationally rotated manner to rotate the outer periphery of the reciprocating drive column 511 And a column restraining bearing portion 512b for restricting the column restraint bearing portion 512b;
A reciprocating drive column 511 inclined to the decelerating shaft 514 and the reciprocating drive column 511 are connected to the decelerating shaft 514 by a rolling clutch 514, And a reciprocating driving draw bar 512 for rotatably restraining the pump shaft 220;
A cam protrusion 521 is provided on either one of the pump shaft 220 and the inner wall of the shaft housing 310 and a cam protrusion 521 is provided on the other side of the cam protrusion 521 to reciprocate the impeller 200 in accordance with the rotation of the pump shaft 220 (522). ≪ RTI ID = 0.0 > 51. < / RTI >
4. The method according to claim 1 or 3,
The pumping driver
And a solenoid actuator 530 that pushes the impeller 200 in the axial direction by a magnetic force to pump the impeller 200 and return the impeller 200 by the rotational discharge pressure;
And a pneumatic / hydraulic actuator 540 that volumetrically pumps the pump shaft 220 in the axial direction by pneumatic pressure;
A gear housing 551 which is slidably received in the shaft housing 310 so as to be slidable in an axial direction and a drive bevel gear 552 which is slidably mounted on the drive unit 300 side of the gear housing 551 and is fixed to the drive unit 300 A pump bevel gear 553 which is axially mounted on the pump side of the gear housing 551 and is fixed to the pump shaft 220 and a pump bevel gear 553 which is installed on both sides of the drive bevel gear 552 and the pump bevel gear 553, The reciprocating driving pull projection 555 and the reciprocating driving pull projection 555 provided on the reciprocating driving pinion gear 554 and the reciprocating driving pinion gear 554 restrict the axial flow and flow only in the width direction, And a reciprocating motion inducing groove (556) for guiding the housing to reciprocate in the axial direction.

4. The method according to claim 1 or 3,
A one-way opening means for reducing the negative pressure on the side of the discharge port (112) in the return operation of the impeller (200) to the blade (210) of the impeller (200) to improve pumping efficiency;
The one-
A check valve 211 provided in the vane 210;
And a check blade 212 in which a part of the blade 210 is opened and unfolded toward the discharge port 112, and
Wherein the impeller (200) is configured such that the blade (210) is rotated in one direction so as to be horizontal in the axial direction during the return stroke.

8. The method of claim 7, further comprising:
Wherein the inlet port (111) of the vane (210) having the unidirectional opening means is provided with an immersion prevention network (213) to prevent foreign matter from being caught in the negative pressure decompression process.
The method of claim 1,
An inlet port 111 of the pump housing 100 and an outlet port 112 of the discharge port 112 which are adjacent to the drive unit 300 are formed to be laterally opened in the pump housing 100, And a conveying guide curved body (120) for allowing a conveyed object to be curved to flow on an edge formed on an inner wall of the pump housing (100).
KR20140031571A 2014-03-18 2014-03-18 A pumping type axial flow pump KR101490077B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117722365A (en) * 2024-02-18 2024-03-19 江苏江进泵业有限公司 Vertical axial flow pump with magnetic attraction stabilizing function
CN117722365B (en) * 2024-02-18 2024-05-10 江苏江进泵业有限公司 Vertical axial flow pump with magnetic attraction stabilizing function

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980056708A (en) * 1996-12-30 1998-09-25 박병재 Power Loss Reduction Type Water Pump Drive

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980056708A (en) * 1996-12-30 1998-09-25 박병재 Power Loss Reduction Type Water Pump Drive

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117722365A (en) * 2024-02-18 2024-03-19 江苏江进泵业有限公司 Vertical axial flow pump with magnetic attraction stabilizing function
CN117722365B (en) * 2024-02-18 2024-05-10 江苏江进泵业有限公司 Vertical axial flow pump with magnetic attraction stabilizing function

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