CN109296543A - Horizontal submersible axial flow pump - Google Patents

Horizontal submersible axial flow pump Download PDF

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Publication number
CN109296543A
CN109296543A CN201811458383.1A CN201811458383A CN109296543A CN 109296543 A CN109296543 A CN 109296543A CN 201811458383 A CN201811458383 A CN 201811458383A CN 109296543 A CN109296543 A CN 109296543A
Authority
CN
China
Prior art keywords
pump
housing
impeller
bearing
bearing housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811458383.1A
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Chinese (zh)
Inventor
廖建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201811458383.1A priority Critical patent/CN109296543A/en
Publication of CN109296543A publication Critical patent/CN109296543A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
    • 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
    • F04D29/007—Details, component parts, or accessories 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
    • F04D29/02—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
    • F04D29/046—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
    • F04D29/18—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
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/648—Mounting; Assembling; Disassembling of 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
    • F04D3/00—Axial-flow pumps
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses horizontal submersible axial flow pumps, including the pump housing and bearing housing and submersible motor, one end of round nut is equipped with rear axle pressure cap, shaft coupling is installed between bearing housing and submersible motor, link is mounted at the top of submersible motor and bearing housing, the bottom of submersible motor is equipped with pre-buried pedestal, and reflux pump is equipped at the top of pre-buried pedestal, and one end of reflux pump is connected with return pipe.Horizontal submersible axial flow pump is prevented in the present invention during startup, the band-like water plant being wrapped on impeller impacts impeller, entire axial-flow pump is caused to can not work normally, impeller is made by fluoroplastics, abrasion resistance properties and its excellent, compared to general cast iron quality impeller, weight greatly is alleviated, easily easily rotor portion can be taken out from the pump housing, therefore tear open, unload, filling and can be readily accomplished, avoiding ferrosilicon pump need to meticulously repair, and fear the disadvantage that is crushed, can not let go trick.

Description

Horizontal submersible axial flow pump
Technical field
The present invention relates to a kind of axial-flow pump, in particular to a kind of horizontal submersible axial flow pump.
Background technique
The pump that axial-flow pump conveys liquid in the axial direction by the active force that the blade of rotary blade generates liquid, has vertical Formula, horizontal, inclined and tubular several after general horizontal submersible axial flow pump is mounted in riverbed, are easy by corrosiveness, Service life is lower, and horizontal submersible axial flow pump is during starting operation, the band-like water plant pair that is wrapped on impeller Impeller impacts, and causes impeller that can not rotate, and causes entire axial-flow pump can not work normally, impeller mostly uses greatly cast iron materials It is made, rustproof property is poor, is not easy to be used for a long time, and quality weight, is not easy to carry out detachable maintaining.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of the prior art, provide a kind of horizontal submersible axial flow pump, protect It holds the pump housing, bearing housing and submersible motor and is in same level always, strengthen the stable structure of entire horizontal submersible axial flow pump Property, water flow is introduced in the intracorporal accommodating chamber of pump by return pipe by reflux pump, the band-like aquatic plant to being wound on impeller Object carries out centrifugal cyclone removing, prevents horizontal submersible axial flow pump during startup, the band-like water plant being wrapped on impeller Impeller is impacted, causes impeller that can not rotate, entire axial-flow pump is caused to can not work normally, impeller by fluoroplastics make and At, abrasion resistance properties and its excellent, general cast iron quality impeller is compared, weight is greatly alleviated, it can easily easily Rotor portion is taken out from the pump housing, therefore tears open, unload, filling and can be readily accomplished, avoiding ferrosilicon pump need to meticulously repair, and fear brokenly Disadvantage that is broken, can not let go trick.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of horizontal submersible axial flow pump of the present invention, including the pump housing and bearing housing and submersible motor, the bearing housing are located at pump Between body and submersible motor, the outer surface of the pump housing is equipped with shell, before the pump housing is equipped with far from one end of bearing housing Pump cover, the pump housing are equipped with rear pump cover close to the end of bearing housing, and the center of inside of the pump housing is equipped with impeller, the leaf Nut is installed on the outside of wheel, is equipped between the nut and impeller and cap, the impeller is connected close to one end of rear pump cover There is sheath, pump postoperculum is installed between the pump housing and bearing housing, axle sleeve, the axis are installed between the pump postoperculum and the pump housing The center of inside for holding case is equipped with pump shaft, and one end of pump shaft is connected with impeller, and the sheath is located at the outside of pump shaft, described Organic big envelope is installed, the pump postoperculum is equipped with bearing, and axis on the inner wall of bearing housing between pump shaft and rear pump cover It holds and socket-connects with pump shaft, the bearing is equipped with front axle pressure cap close to the end of machine big envelope, and the bearing housing is far from bearing Opening is equipped with rear bearing, and the rear bearing is equipped with round nut, one end of the round nut close to the end of submersible motor Rear axle pressure cap is installed, shaft coupling is installed between the bearing housing and submersible motor, and the other end of pump shaft is through axis It holds case to be connected with shaft coupling, the end of the rear axle pressure cap is equipped with oil seal washer, the submersible motor and bearing housing Top be mounted on link, the bottom of the submersible motor is equipped with pre-buried pedestal, is equipped at the top of the pre-buried pedestal One end of reflux pump, the reflux pump is connected with return pipe.
As a preferred technical solution of the present invention, the reflux pump is located at the underface of bearing housing.
As a preferred technical solution of the present invention, the submersible motor is twin shaft submersible motor, and reflux pump and latent Hydroelectric machine transmission connection.
As a preferred technical solution of the present invention, the pump shaft is sequentially connected by shaft coupling and submersible motor.
As a preferred technical solution of the present invention, the pump housing is L-type structure, and the end of return pipe extends to pump In the accommodating chamber of body.
As a preferred technical solution of the present invention, the pump housing, submersible motor are fixedly connected with pre-buried pedestal.
As a preferred technical solution of the present invention, the shell, bearing housing and submersible motor are by aluminum alloy materials It is made.
As a preferred technical solution of the present invention, the impeller is made by fluoroplastics.
Compared with prior art, beneficial effects of the present invention are as follows:
Reflux pump is located at the underface of bearing housing in the present invention, can play the role of spring bearing case, keeps the pump housing, axis It holds case and submersible motor is in same level always, the structural stability of entire horizontal submersible axial flow pump is strengthened, by returning Water flow is introduced in the intracorporal accommodating chamber of pump by stream pump by return pipe, is centrifuged to the band-like water plant wound on impeller Eddy flow removes, and prevents horizontal submersible axial flow pump during startup, the band-like water plant being wrapped on impeller causes impeller It influences, causes impeller that can not rotate, entire axial-flow pump is caused to can not work normally, impeller is made by fluoroplastics, wear-resisting Performance and its excellent is damaged, general cast iron quality impeller is compared, greatly alleviates weight, it can be easily easily by rotor portion It is taken out from the pump housing, therefore tears open, unloads, filling and can be readily accomplished, avoiding ferrosilicon pump need to meticulously repair, and fear to be crushed, can not let go hand The disadvantage of foot.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is overall structure diagram of the invention；
In figure: 1, nut；And cap 2,；3, impeller；4, front pump cover；5, shell；6, the pump housing；7,；8, rear pump cover；9, machine seals Set；10, axle sleeve；11, front axle pressure cap；12, pump postoperculum；13, bearing；14, pump shaft；15, bearing housing；16, rear bearing；17, circle Nut；18, rear axle pressure cap；19, oil seal washer；20, submersible motor；21, shaft coupling；22, link；23, pre-buried pedestal；24, it returns Stream pump；25, return pipe.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Wherein identical label all refers to identical component in attached drawing.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of horizontal submersible axial flow pump, including the pump housing 6 and bearing housing 15 and submersible motor 20, bearing housing 15 is between the pump housing 6 and submersible motor 20, and the outer surface of the pump housing 6 is equipped with shell 5, and the pump housing 6 is far from bearing housing 15 one end is equipped with front pump cover 4, and the pump housing 6 is equipped with rear pump cover 8, the center of inside peace of the pump housing 6 close to the end of bearing housing 15 Equipped with impeller 3, the outside of impeller 3 is equipped with nut 1, simultaneously cap 2 is equipped between nut 1 and impeller 3, impeller 3 is close to rear pump cover 8 One end be connected with sheath 7, pump postoperculum 12 is installed between the pump housing 6 and bearing housing 15, is equipped between pump postoperculum 12 and the pump housing 6 Axle sleeve 10, the center of inside of bearing housing 15 is equipped with pump shaft 14, and one end of pump shaft 14 is connected with impeller 3, and sheath 7 is located at pump The outside of axis 14, between pump shaft 14 and rear pump cover 8 between organic big envelope 9 is installed, pump postoperculum 12 is on the inner wall of bearing housing 15 Bearing 13 is installed, and bearing 13 socket-connects with pump shaft 14, bearing 13 is equipped with front axle pressure cap close to the end of machine big envelope 9 11, bearing housing 15 is equipped with rear bearing 16 far from the opening of bearing 13, and rear bearing 16 is installed close to the end of submersible motor 20 There is round nut 17, one end of round nut 17 is equipped with rear axle pressure cap 18, connection is equipped between bearing housing 15 and submersible motor 20 Axis device 21, and the other end of pump shaft 14 is connected through bearing housing 15 with shaft coupling 21, the end installation of rear axle pressure cap 18 There is oil seal washer 19, submersible motor 20 and the top of bearing housing 15 are mounted on link 22, and the bottom of submersible motor 20 is equipped with pre- Buried end seat 23, the top of pre-buried pedestal 23 are equipped with reflux pump 24, and one end of reflux pump 24 is connected with return pipe 25.
Reflux pump 24 is located at the underface of bearing housing 15, can play the role of spring bearing case 15, keeps the pump housing 6, axis Case 15 and submersible motor 20 are held always in same level, strengthen the structural stability of entire horizontal submersible axial flow pump.
Submersible motor 20 is twin shaft submersible motor, and reflux pump 24 and submersible motor 20 are sequentially connected, and make submersible motor 20 Reflux pump 24 is driven to work.
Pump shaft 14 is sequentially connected by shaft coupling 21 and submersible motor 20, is driven convenient for submersible motor 20 by shaft coupling 21 Pump shaft 14 rotates, and keeps pump shaft 14 stable and carries out stable rotation, band movable vane in the center of inside of bearing housing 15 and the pump housing 6 Wheel 3 is rotated.
The pump housing 6 is L-type structure, and the end of return pipe 25 extends in the accommodating chamber of the pump housing 6, can pass through reflux pump 24 Water flow is introduced in the accommodating chamber in the pump housing 6 by return pipe 25, the band-like water plant wound on impeller 3 is centrifuged Eddy flow removes, and prevents horizontal submersible axial flow pump during startup, the band-like water plant being wrapped on impeller 3 makes impeller 3 At influence, cause impeller 3 that can not rotate, entire axial-flow pump is caused to can not work normally.
The pump housing 6, submersible motor 20 are fixedly connected with pre-buried pedestal 23, and the pump housing 6, submersible motor 20 are each attached to pre- buried end The top of seat 23, and be connected by bearing housing 15, form coaxial integral structure.
Shell 5, bearing housing 15 and submersible motor 20 are made by aluminum alloy materials, can make the pump housing 6, bearing housing 15 Good corrosion resistance is all had with the outer surface of submersible motor 20, convenient for being used for a long time under water.
Impeller 3 is made by fluoroplastics, abrasion resistance properties and its excellent, compares general cast iron quality impeller 3, pole Big alleviates weight, can easily easily take out rotor portion from the pump housing, therefore tears open, unloads, filling and can be readily accomplished, and avoids silicon Iron pump need to be repaired meticulously, fear the disadvantage that is crushed, can not let go trick.
Specifically, being mounted on link 22 at the top of submersible motor 20 and bearing housing 15, horizontal diving axis can be facilitated Stream pump is installed by link 22 into traveling crane, and the bottom of submersible motor 20 is equipped with pre-buried pedestal 23, the top of pre-buried pedestal 23 Reflux pump 24 is installed, one end of reflux pump 24 is connected with return pipe 25, and reflux pump 24 is located at the underface of bearing housing 15, can Play the role of spring bearing case 15, the pump housing 6, bearing housing 15 and submersible motor 20 is kept to be in same level always, reinforces Water flow is introduced in the pump housing 6 by the structural stability of entire horizontal submersible axial flow pump by reflux pump 24 by return pipe 25 Accommodating chamber in, centrifugal cyclone removing is carried out to the band-like water plant that winds on impeller 3, prevents horizontal submersible axial flow pump from opening During dynamic, the band-like water plant being wrapped on impeller 3 impacts impeller 3, causes impeller 3 that can not rotate, and causes whole A axial-flow pump can not work normally, and impeller 3 is made by fluoroplastics, abrasion resistance properties and its excellent, compare general casting Iron material matter impeller 3, greatly alleviates weight, can easily easily take out rotor portion from the pump housing, therefore tear open, unloads, filling energy gently It is readily accomplished, avoiding ferrosilicon pump need to meticulously repair, and fear the disadvantage that is crushed, can not let go trick.
Reflux pump 24 is located at the underface of bearing housing 15 in the present invention, can play the role of spring bearing case 15, keeps The pump housing 6, bearing housing 15 and submersible motor 20 are in same level always, and the structure for strengthening entire horizontal submersible axial flow pump is steady It is qualitative, water flow is introduced in the accommodating chamber in the pump housing 6 by return pipe 25 by reflux pump 24, to the band wound on impeller 3 Shape water plant carries out centrifugal cyclone removing, prevents horizontal submersible axial flow pump during startup, is wrapped in band-like on impeller 3 Water plant impacts impeller 3, causes impeller 3 that can not rotate, and entire axial-flow pump is caused to can not work normally, impeller 3 by Fluoroplastics are made, abrasion resistance properties and its excellent, compare general cast iron quality impeller 3, greatly alleviate weight, Easily easily rotor portion can be taken out from the pump housing, therefore tear open, unload, filling and can be readily accomplished, avoiding ferrosilicon pump needs meticulously It repairs, fears the disadvantage that is crushed, can not let go trick.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims (8)

1. horizontal submersible axial flow pump, including the pump housing (6) and bearing housing (15) and submersible motor (20), which is characterized in that the axis It holds case (15) to be located between the pump housing (6) and submersible motor (20), the outer surface of the pump housing (6) is equipped with shell (5), the pump Body (6) is equipped with front pump cover (4) far from the one end of bearing housing (15), and the pump housing (6) is installed close to the end of bearing housing (15) Have rear pump cover (8), the center of inside of the pump housing (6) is equipped with impeller (3), is equipped with nut on the outside of the impeller (3) (1), it is equipped between the nut (1) and impeller (3) and cap (2), the impeller (3) connects close to the one end of rear pump cover (8) Have sheath (7), is equipped with pump postoperculum (12) between the pump housing (6) and bearing housing (15), the pump postoperculum (12) and the pump housing (6) Between be equipped with axle sleeve (10), the center of inside of the bearing housing (15) is equipped with pump shaft (14), and one end of pump shaft (14) with Impeller (3) is connected, and the sheath (7) is located at the outside of pump shaft (14), between the pump shaft (14) and rear pump cover (8) between pacify Equipped with machine big envelope (9), the pump postoperculum (12) close to bearing housing (15) inner wall on be equipped with bearing (13), and bearing (13) with Pump shaft (14) socket-connects, and the bearing (13) is equipped with front axle pressure cap (11), the bearing housing close to the end of machine big envelope (9) (15) opening far from bearing (13) is equipped with rear bearing (16), end of the rear bearing (16) close to submersible motor (20) It is equipped with round nut (17), one end of the round nut (17) is equipped with rear axle pressure cap (18), the bearing housing (15) and latent It is equipped between hydroelectric machine (20) shaft coupling (21), and the other end of pump shaft (14) is through bearing housing (15) and shaft coupling (21) It is connected, the end of the rear axle pressure cap (18) is equipped with oil seal washer (19), the submersible motor (20) and bearing housing (15) it is mounted at the top of link (22), the bottom of the submersible motor (20) is equipped with pre-buried pedestal (23), described pre-buried It is equipped at the top of pedestal (23) reflux pump (24), one end of the reflux pump (24) is connected with return pipe (25).
2. horizontal submersible axial flow pump according to claim 1, which is characterized in that the reflux pump (24) is located at bearing housing (15) underface.
3. horizontal submersible axial flow pump according to claim 1, which is characterized in that the submersible motor (20) is twin shaft diving Motor, and reflux pump (24) and submersible motor (20) are sequentially connected.
4. horizontal submersible axial flow pump according to claim 1, which is characterized in that the pump shaft (14) passes through shaft coupling (21) It is sequentially connected with submersible motor (20).
5. horizontal submersible axial flow pump according to claim 1, which is characterized in that the pump housing (6) is L-type structure, and is returned The end of flow tube (25) extends in the accommodating chamber of the pump housing (6).
6. horizontal submersible axial flow pump according to claim 1, which is characterized in that the pump housing (6), submersible motor (20) are equal It is fixedly connected with pre-buried pedestal (23).
7. horizontal submersible axial flow pump according to claim 1, which is characterized in that the shell (5), bearing housing (15) and latent Hydroelectric machine (20) is made by aluminum alloy materials.
8. horizontal submersible axial flow pump according to claim 1, which is characterized in that the impeller (3) by fluoroplastics make and At.
CN201811458383.1A 2018-11-30 2018-11-30 Horizontal submersible axial flow pump Pending CN109296543A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811458383.1A CN109296543A (en) 2018-11-30 2018-11-30 Horizontal submersible axial flow pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811458383.1A CN109296543A (en) 2018-11-30 2018-11-30 Horizontal submersible axial flow pump

Publications (1)

Publication Number Publication Date
CN109296543A true CN109296543A (en) 2019-02-01

Family

ID=65142253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811458383.1A Pending CN109296543A (en) 2018-11-30 2018-11-30 Horizontal submersible axial flow pump

Country Status (1)

Country Link
CN (1) CN109296543A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994886A (en) * 2019-12-23 2020-04-10 浙江佳乐科仪股份有限公司 Motor transmission device mounted on driving shaft of water-jet loom

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994886A (en) * 2019-12-23 2020-04-10 浙江佳乐科仪股份有限公司 Motor transmission device mounted on driving shaft of water-jet loom

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Application publication date: 20190201