CN110043477A - Axial-flow pump - Google Patents
Axial-flow pump Download PDFInfo
- Publication number
- CN110043477A CN110043477A CN201910436518.2A CN201910436518A CN110043477A CN 110043477 A CN110043477 A CN 110043477A CN 201910436518 A CN201910436518 A CN 201910436518A CN 110043477 A CN110043477 A CN 110043477A
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- China
- Prior art keywords
- axial
- flexible adjustment
- shaft
- adjustment part
- deflector
- Prior art date
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 230000004308 accommodation Effects 0.000 claims description 8
- 239000000314 lubricant Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 8
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- 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
-
- 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/041—Axial thrust balancing
-
- 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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
-
- 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
- F04D29/06—Lubrication
- F04D29/061—Lubrication 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
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings 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
- F04D29/18—Rotors
- F04D29/181—Axial flow rotors
-
- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/528—Casings; Connections of working fluid for axial 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/548—Specially 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially 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
-
- 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
- F04D3/005—Axial-flow pumps with a conventional single stage rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a kind of axial-flow pumps, including axial-flow pump ontology and seal assembly.Wherein: axial-flow pump ontology includes shell and sets pump shaft, the top of shell is equipped with the guide pipe for being connected to enclosure interior, the inner wall on guide pipe top is equipped with annular branch support, the rubber shaft bearing of cooperation pump shaft is laid in guide pipe, pump shaft includes the shaft shoulder for being support on rubber shaft bearing bottom end；Seal assembly include be arranged on pump shaft and the first flexible adjustment part between branch support and rubber shaft bearing and be sheathed on rubber shaft bearing and be located at the first flexible adjustment part lower section the second flexible adjustment part, the buffer layer that sealing shroud is set on rubber shaft bearing is equipped between first flexible adjustment part and the second flexible adjustment part, first flexible adjustment part, buffer layer, rubber shaft bearing and pump shaft enclose the accommodating chamber for setting and being formed and placing filler, have compressed wedge shape sealing ring between the first flexible adjustment part and branch support, between the second flexible adjustment part and the shaft shoulder.Axial-flow pump in the present invention has preferable leakproofness and cooling effect.
Description
Technical field
The present invention relates to axial-flow pump fields, and in particular to a kind of axial-flow pump.
Background technique
Water, is shifted onto top by thrust water lift caused by high speed rotation of the axial-flow pump using impeller from below, is realized to water
It is conveyed.Currently, with the continuous development of science and technology, axial-flow pump has technically obtained very big progress, but simultaneously
There are following technical problems to need to improve: (1) axial-flow pump starts moment, and the axial float of pump shaft is larger, will lead to axis for a long time
Flow the lost of life of pump；(2) in axial-flow pump operation process, it sometimes appear that vibration and sound, will lead to axial-flow pump for a long time
Leakproofness reduces, while increasing the abrasion of filler and rubber shaft bearing, so that axial-flow pump service life is reduced.
Summary of the invention
In view of the foregoing, the present invention provides a kind of axial-flow pumps, can reduce the circumferential play of pump shaft, have simultaneously
There is preferable leakproofness.
To achieve the above object, the invention discloses a kind of axial-flow pumps, comprising:
Axial-flow pump ontology, the pump shaft including shell and in the shell, the top of the shell are equipped with vertically arranged
And it is connected to the guide pipe of the enclosure interior, the inner wall on the guide pipe top is equipped with annular branch support, the guide pipe
In be laid with rubber shaft bearing for cooperating the pump shaft, the pump shaft is arranged in the guide pipe and the top of the pump shaft
The guide pipe is exposed to, the pump shaft includes the shaft shoulder for being support on the rubber shaft bearing bottom end, the company of offering on the shaft shoulder
The first deflector hole of the enclosure interior is passed through, is formed on the rubber shaft bearing and is connected to the second of first deflector hole and leads
Discharge orifice；
Seal assembly, including the first flexible adjustment part and the second flexible adjustment part that contraposition is laid, first elasticity is adjusted
Section part is arranged on the pump shaft and between the branch support and the rubber shaft bearing, and the second flexible adjustment part is sheathed on
Lower section on the rubber shaft bearing and positioned at the first flexible adjustment part, the first flexible adjustment part and second elasticity
Between regulating part be equipped with sealing shroud be set to the rubber shaft bearing on buffer layer, the first flexible adjustment part, the buffer layer,
The rubber shaft bearing and the pump shaft enclose the accommodating chamber for setting and being formed for placing filler, the first flexible adjustment part and the branch
Also compress first wedge shape sealing ring of the sealing shroud on the pump shaft between support, the second flexible adjustment part and described
Second wedge shape sealing ring of the sealing shroud on the rubber shaft bearing is compressed between the shaft shoulder.
The beneficial effects of the present invention are:
1. realizing the self-lubricating of rubber shaft bearing by the water in the first deflector hole, the second deflector hole and shell, realize to rubber
The cooling and lubricating of glue bearing extends the service life of rubber shaft bearing.
2. realizing damping and buffer function by seal assembly, the axial direction of pump shaft is altered when axial-flow pump starting can be effectively reduced
It is dynamic, while realizing sealing between pump shaft and shell by laying filler, avoid the water in shell from leaking out from guide pipe and shell
External air enters enclosure interior.
Axial-flow pump of the present invention further improvement lies in that, offered on the shaft shoulder along the pump shaft axial annular battle array
Multiple first deflector holes of column are formed with one-to-one correspondence on the rubber shaft bearing in the multiple of multiple first deflector holes
Second deflector hole.Guarantee in use process, the uniformity that rubber shaft bearing cools down everywhere.
Axial-flow pump of the present invention further improvement lies in that, be impregnated with lubricant in the filler.Pass through immersion lubrication
Agent, the cooling of filler, extends the service life of filler when realizing axial-flow pump effect.
Axial-flow pump of the present invention further improvement lies in that, the shell includes bend pipe, and the bend pipe is equipped with described
The position corresponding to the guide pipe of guide pipe, the elbow internal wall is equipped with anti-backflow device, and the anti-backflow device includes
The streamlined groove of impeller towards the axial-flow pump is equipped with for generating the spiral shell for being directed toward the impeller in the streamlined groove
The helicla flute of spin.The distribution situation for changing water flow in shell the technical issues of to solve axial-flow pump clearance backflow, is further protected
Demonstrate,prove the leakproofness of axial-flow pump.
Axial-flow pump of the present invention further improvement lies in that, further include motor, the top of the pump shaft passes through shaft coupling
It is connected to the output shaft of the driving motor, the side wall of the motor is equipped with cooling device, and the cooling device includes frame
Structure, deflector and cover board, the frame structure are circumferentially laid along the side wall of the motor, the frame structure and the motor
Side wall enclose the accommodation space for setting and being formed for placing the deflector, the bottom surface of the deflector is bonded and is fixed in the electricity
The side wall of machine, the deflector have been stamped and formed out interval and multiple straight tooth structures are arranged, formed between adjacent two straight tooth structure
There is interconnected runner, the runner includes set on the water inlet end on the deflector top and set on the deflector bottom end
Water outlet, the water inlet end and the water outlet are laid in diagonal, from the water inlet end along the motor side wall circumferentially around
Half-turn, the distance between the deflector and the frame structure are gradually reduced, from the water outlet along the side wall of the motor
Circumferentially around half-turn, the distance between the deflector and the frame structure are gradually reduced, and the cover board is installed on the appearance
It receives the top in space and the side towards the accommodation space of the cover board is bonded and is fixed in the deflector, the cover board
On be installed with the water inlet pipe for being connected to the water inlet end and be connected to the outlet pipe of the water outlet.It is realized by cooling device
Cooling to motor, compared with prior art, cooling effect is more preferably.
The further improvement of axial-flow pump of the present invention is that the outlet pipe is connected to the water outlet of the shell.
Axial-flow pump of the present invention further improvement lies in that, the shell by first flange disk be fixedly mounted for branch
On support group body, the motor is installed on motor matrix by second flange disk.It is real respectively by first flange and second flange
Now to the fixation of shell and motor.
Axial-flow pump of the present invention further improvement lies in that, the water inlet end of the shell is equipped with conical filter net, institute
The tip for stating conical filter net exposes to the shell.It realizes the filtering to impurity such as water plants in water, avoids in suction casing, twine
It is wound on impeller, and then guarantees the safety that axial-flow pump uses.
Axial-flow pump of the present invention further improvement lies in that, the bottom end of the pump shaft is equipped with impeller, the impeller packet
Include impeller boss and multi-disc adjustable vane, the impeller boss is coaxially connected in the pump shaft, and adjustable vane described in multi-disc is along institute
The circumferential array for stating impeller boss is laid.By selection adjustable vane, the laying angle of blade can be changed according to requirements,
With well adapting to property.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of axial-flow pump of the present invention.
Fig. 2 is the enlarged diagram in Fig. 1 at A.
Fig. 3 is the structural schematic diagram of rubber shaft bearing.
Fig. 4 is the schematic top plan view of Fig. 3.
Fig. 5 is the structural perspective of cooling device.
Fig. 6 is the perspective view of the explosion of cooling device.
Fig. 7 is the structural schematic diagram of deflector in cooling device.
Specific embodiment
For the benefit of to understanding of the invention, it is illustrated with reference to the accompanying drawings and embodiments.
Refering to fig. 1 to Fig. 4 it is found that the invention discloses a kind of axial-flow pumps, comprising: axial-flow pump ontology 1 and sealing group
Part；Wherein: axial-flow pump ontology 1 includes shell 11 and the pump shaft 12 in shell 11, and the top of shell 11 is equipped with vertically arranged
And it is connected to the guide pipe 14 inside shell 11, the inner wall on 14 top of guide pipe is equipped with annular branch support 141, in guide pipe 14
It is laid with the rubber shaft bearing 13 for cooperating pump shaft 12, pump shaft 12 is arranged in guide pipe 14 and the top of pump shaft 12 exposes to and leads
To pipe 14, pump shaft 12 includes being support on the shaft shoulder of 13 bottom end of rubber shaft bearing, and the be connected to inside shell 11 is offered on the shaft shoulder
One deflector hole 121 is formed with the second deflector hole 131 for being connected to the first deflector hole 121 on rubber shaft bearing 13；Seal assembly includes
The the first flexible adjustment part 31 and the second flexible adjustment part 32 laid are aligned, the first flexible adjustment part 31 is arranged on pump shaft 12 and position
Between branch support and rubber shaft bearing 13, the second flexible adjustment part 32 is sheathed on rubber shaft bearing 13 and is located at the first flexible adjustment
The lower section of part 31 is equipped with sealing shroud and is set on rubber shaft bearing 13 between first flexible adjustment part 31 and the second flexible adjustment part 32
Buffer layer 33, the first flexible adjustment part 31, buffer layer 33, rubber shaft bearing 13 and pump shaft 12, which enclose, to be set to be formed for placing filler 34
Accommodating chamber also compresses first wedge shape sealing ring of the sealing shroud on pump shaft 12 between the first flexible adjustment part 31 and branch support
35, second wedge shape sealing ring 36 of the sealing shroud on rubber shaft bearing 13 is compressed between the second flexible adjustment part 32 and the shaft shoulder.
In the present embodiment, (1) setting is slow by the first flexible adjustment part 31 of setting and the second flexible adjustment part 32, and therebetween
Layer 33 is rushed, plays the role of buffering, vibration damping in axial-flow pump starting moment, the axial float of pump shaft 12 is effectively reduced；(2) by setting
Set the first wedge shape sealing ring 35, the second wedge shape sealing ring 36 and filling filler 34, it is ensured that pump shaft 12 and lead at guide pipe 14
Leakproofness between pipe 14 effectively avoids the water inside shell 11 via outflow and outside air at guide pipe 14 via guiding
Enter inside shell 11 at pipe 14, there is preferable leakproofness；(3) it is realized by the first deflector hole 121 and the second deflector hole 131
The self-lubricating of rubber shaft bearing 13 delays the abrasion of rubber shaft bearing 13, extends the service life of rubber shaft bearing 13.Specifically, (1) axis
Multiple first deflector holes 121 along 12 axial annular array of pump shaft are offered on shoulder, are formed with one-to-one correspondence on rubber shaft bearing 13
In multiple second deflector holes 131 of multiple first deflector holes 121, realizes that 13 uniform throughout of rubber shaft bearing is cooling, further extend
The service life of rubber shaft bearing 13；(2) it is impregnated with lubricant in filler 34, realizes the self cooling and lubrication of filler 34, extending it makes
Use the service life；The shape of (3) first wedge shape sealing rings 35 is matched with the first flexible adjustment part 31, the shape of the second wedge shape sealing ring 36
It is matched with the second flexible adjustment part 32, further guarantee leakproofness.
Further, shell 11 includes bend pipe, and bend pipe is equipped with guide pipe 14, and elbow internal wall corresponds to guide pipe 14
Position is equipped with anti-backflow device 4, and anti-backflow device 4 includes the streamlined groove of the impeller towards axial-flow pump, in streamlined groove
Equipped with for generating the helicla flute for being directed toward the spiral force of impeller.In the present embodiment, shell 11 is changed by setting anti-backflow device 4
The technical issues of distribution situation of interior water flow, solution axial-flow pump clearance backflow, guarantee the leakproofness between pump shaft 12 and shell 11.
Further, anti-backflow device 4 further includes another streamlined groove towards 11 water outlet of shell, in another streamlined groove
Equipped with for generating another helicla flute for being directed toward the spiral force of 11 water outlet of shell.
Referring to Fig. 1, Fig. 5 to Fig. 7 it is found that further including motor 2, the top of pump shaft 12 is connected by shaft coupling (being not marked in figure)
It is connected to the output shaft of driving motor 2, the side wall 24 of motor 2 is equipped with cooling device 21, and cooling device 21 includes frame structure
211, deflector 212 and cover board 213, frame structure 211 are circumferentially laid along the side wall 24 of motor 2, frame structure 211 and motor 2
Side wall 24 enclose the accommodation space for setting and being formed for placing deflector 212, the bottom surface of deflector 212 is bonded and is fixed in motor 2
Side wall 24, deflector 212 has been stamped and formed out interval and multiple straight tooth structures is arranged, be formed between adjacent two straight tooth structure mutually
The runner of connection, runner include set on the water inlet end on 212 top of deflector and set on the water outlet of 212 bottom end of deflector, water inlet
End and water outlet are laid in diagonal, from water inlet end along motor 2 side wall 24 circumferentially around half-turn, deflector 212 and frame structure
The distance between 211 are gradually reduced, from water outlet along motor 2 side wall 24 circumferentially around half-turn, deflector 212 and frame structure
The distance between 211 are gradually reduced, and cover board 213 is installed on one towards accommodation space of the top of accommodation space and cover board 213
Side is bonded and is fixed in deflector 212, and the water inlet pipe 214 for being connected to water inlet end is installed on cover board 213 and is connected to water outlet
The outlet pipe 215 at end.In the present embodiment: (1) using above-mentioned 21 structure of cooling device, water phase everywhere in runner can be made
To uniform, realize that 2 uniform throughout of motor cools, to guarantee the temperature relative equilibrium everywhere of motor 2, efficiently solve existing
In technology motor 2 everywhere temperature distributing disproportionation weigh the technical issues of；(2) there is preferable cooling effect, extend making for motor 2
Use the service life.Preferably, outlet pipe 215 is connected to the water outlet of shell 11.
Further, the water inlet end of shell 11 is equipped with conical filter net 5, and the tip of conical filter net 5 exposes to shell
11.In the present embodiment, (1) is to realize to impurities in water (weeds, solid by laying the effect of conical filter net 5 in water inlet end
Impurity) filtering, avoid enter into abnormal noise and the vibration of damage and generation that impeller is caused in shell 11；(2) pass through by
Filter screen 5 is set as taper, can all be plugged to avoid 5 surrounding of filter screen in actual use compared with cylindrical filtration 5
And lead to axial-flow pump idle running fever, extend the service life of axial-flow pump.Preferably, filter screen 5 is the mistake with vibrating function
Strainer 5 realizes that the vibration for being attached to impurity on filter screen 5 is detached from, is not necessarily to manual cleaning, has preferable practicability.
Further, the bottom end of pump shaft 12 is equipped with impeller, and impeller includes impeller boss and multi-disc adjustable vane, impeller boss
It is coaxially connected in pump shaft 12, multi-disc adjustable vane is laid along the circumferential array of impeller boss.It is adjustable by selecting in the present embodiment
Blade is saved, the laying angle of adjustable vane can be adjusted in time according to requirements, realize the fine tuning of angle, to change axis stream
The parameters such as flow velocity, the lift of pump.
In the present invention, shell 11 is used to support on matrix by the fixed installation of first flange disk 6, and motor 2 passes through the second method
Blue disk 7 is installed on 2 matrix of motor；It is realized respectively by first flange disk 6 and second flange disk 7 to axial-flow pump ontology 1 and electricity
The fixed installation of machine 2.The internal diameter of annular branch support 141 is matched with the outer diameter of pump shaft 12；Between rubber shaft bearing 13 and pump shaft 12
Connection relationship is the prior art, and the present invention is not described in detail specifically.
A kind of beneficial effect of axial-flow pump of the present invention includes:
1. by interconnected the first deflector hole and the second deflector hole, the self-lubricating of rubber shaft bearing and cold may be implemented
But, by the immersion lubrication agent in filler, the self-lubricating and cooling of filler are realized, compared with prior art rubber shaft bearing and filler
With longer service life.
2. by laying the first flexible adjustment part, the second flexible adjustment part, buffer layer, the first wedge shape sealing ring and the second wedge
V-shaped ring slows down the axial float of pump shaft while realizing sealing, has preferable vibration damping and noise reduction effect.
It 3. cooling by cooling device realization to motor, and can guarantee the cooling uniformity of motor, extend
The service life of motor.
The above is only presently preferred embodiments of the present invention, not do limitation in any form to the present invention, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
In the range of not departing from technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to
With the equivalent embodiment of variation, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention to
Any simple modification, equivalent change and modification made by upper embodiment, all of which are still within the scope of the technical scheme of the invention.
It should be noted that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate
The bright revealed content of book is not intended to limit the invention enforceable limit so that those skilled in the art understands and reads
Fixed condition, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, not
It influences still fall in disclosed technology contents under the effect of present invention can be generated and the purpose that can reach
In the range of capable of covering.
Claims (9)
1. a kind of axial-flow pump characterized by comprising
Axial-flow pump ontology, the pump shaft including shell and in the shell, the top of the shell are equipped with vertically arranged and connect
The guide pipe of the enclosure interior is passed through, the inner wall on the guide pipe top is equipped with annular branch support, cloth in the guide pipe
Equipped with for cooperating the rubber shaft bearing of the pump shaft, the pump shaft is arranged in the guide pipe and the top of the pump shaft is exposed
In the guide pipe, the pump shaft includes the shaft shoulder for being support on the rubber shaft bearing bottom end, offers and is connected on the shaft shoulder
First deflector hole of the enclosure interior is formed with the second water conservancy diversion for being connected to first deflector hole on the rubber shaft bearing
Hole；
Seal assembly, including the first flexible adjustment part and the second flexible adjustment part that contraposition is laid, the first flexible adjustment part
It is arranged on the pump shaft and between the branch support and the rubber shaft bearing, the second flexible adjustment part is sheathed on described
Lower section on rubber shaft bearing and positioned at the first flexible adjustment part, the first flexible adjustment part and second flexible adjustment
It is equipped with the buffer layer that sealing shroud is set on the rubber shaft bearing between part, it is the first flexible adjustment part, the buffer layer, described
Rubber shaft bearing and the pump shaft enclose the accommodating chamber for setting and being formed for placing filler, the first flexible adjustment part and the branch support
Between also compress first wedge shape sealing ring of the sealing shroud on the pump shaft, the second flexible adjustment part and the shaft shoulder
Between compress second wedge shape sealing ring of the sealing shroud on the rubber shaft bearing.
2. axial-flow pump according to claim 1, it is characterised in that: offered on the shaft shoulder axial along the pump shaft
Multiple first deflector holes of annular array are formed with one-to-one correspondence on the rubber shaft bearing in multiple first deflector holes
Multiple second deflector holes.
3. axial-flow pump according to claim 1, it is characterised in that: be impregnated with lubricant in the filler.
4. axial-flow pump according to claim 1, it is characterised in that: the shell includes bend pipe, is set on the bend pipe
There is the guide pipe, the position corresponding to the guide pipe of the elbow internal wall is equipped with anti-backflow device, the anti-backflow dress
The streamlined groove including the impeller towards the axial-flow pump is set, is equipped in the streamlined groove and is directed toward the leaf for generating
The helicla flute of the spiral force of wheel.
5. axial-flow pump according to claim 1, it is characterised in that: further include motor, the top of the pump shaft passes through
Shaft coupling is connected to the output shaft of the driving motor, and the side wall of the motor is equipped with cooling device, the cooling device packet
Frame structure, deflector and cover board are included, the frame structure is circumferentially laid along the side wall of the motor, the frame structure and institute
The side wall for stating motor encloses the accommodation space for setting and being formed for placing the deflector, and the bottom surface of the deflector is bonded and is fixed in
The side wall of the motor, the deflector have been stamped and formed out interval and have been arranged multiple straight tooth structures, adjacent two straight tooth structure it
Between be formed with interconnected runner, the runner include set on the deflector top water inlet end and be set to the deflector
The water outlet of bottom end, the water inlet end and the water outlet are laid in diagonal, from the water inlet end along the side wall week of the motor
To around half-turn, the distance between the deflector and the frame structure are gradually reduced, from the water outlet along the motor
Side wall circumferentially around half-turn, the distance between the deflector and the frame structure are gradually reduced, and the cover board is installed on
The top of the accommodation space and side towards the accommodation space of the cover board is bonded and is fixed in the deflector, institute
State the outlet pipe for being installed with the water inlet pipe for being connected to the water inlet end on cover board and being connected to the water outlet.
6. axial-flow pump according to claim 5, it is characterised in that: the outlet pipe is connected to the water outlet of the shell
End.
7. axial-flow pump according to claim 1, it is characterised in that: the shell is fixedly mounted by first flange disk
It is used to support on matrix, the motor is installed on motor matrix by second flange disk.
8. axial-flow pump according to claim 1, it is characterised in that: the water inlet end of the shell is equipped with conical filter
Net, the tip of conical filter net expose to the shell.
9. axial-flow pump according to claim 1, it is characterised in that: the bottom end of the pump shaft is equipped with impeller, described
Impeller includes impeller boss and multi-disc adjustable vane, and the impeller boss is coaxially connected in the pump shaft, and leaf is adjusted described in multi-disc
Piece is laid along the circumferential array of the impeller boss.
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| CN201910436518.2A CN110043477B (en) | 2019-05-23 | 2019-05-23 | Axial flow pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436518.2A CN110043477B (en) | 2019-05-23 | 2019-05-23 | Axial flow pump |
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| CN110043477A true CN110043477A (en) | 2019-07-23 |
| CN110043477B CN110043477B (en) | 2023-11-07 |
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| CN201910436518.2A Active CN110043477B (en) | 2019-05-23 | 2019-05-23 | Axial flow pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032061A (en) * | 2020-08-26 | 2020-12-04 | 王景浩 | Bidirectional axial flow pump |
| CN114183405A (en) * | 2021-11-24 | 2022-03-15 | 江苏大学 | Inlet silencer of axial flow pump |
| CN117989180A (en) * | 2024-04-03 | 2024-05-07 | 江苏清川同创科技有限公司 | Axial flow pump |
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| Publication number | Publication date |
|---|---|
| CN110043477B (en) | 2023-11-07 |
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