CN105422473A - Large-flow low-lift axial flow pump - Google Patents
Large-flow low-lift axial flow pump Download PDFInfo
- Publication number
- CN105422473A CN105422473A CN201511026584.0A CN201511026584A CN105422473A CN 105422473 A CN105422473 A CN 105422473A CN 201511026584 A CN201511026584 A CN 201511026584A CN 105422473 A CN105422473 A CN 105422473A
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- CN
- China
- Prior art keywords
- bearing
- fixedly mounted
- sleeve
- face
- axle
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/046—Bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/106—Shaft sealings especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/20—Mounting rotors on shafts
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- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/648—Mounting; Assembling; Disassembling of axial pumps especially adapted for liquid pumps
Abstract
The invention discloses a large-flow low-lift axial flow pump which is mainly characterized in that a motor is mounted on the top surface of a motor bracket; an upper bearing pedestal is mounted in the motor bracket; a bearing sleeve is mounted on the bottom surface of the upper bearing pedestal; a bearing cap is mounted on an upper shaft; a spacer sleeve is mounted on the upper shaft; a round nut is mounted on the upper shaft; a bearing gland is mounted on the upper bearing pedestal; the bottom surface of the motor bracket is mounted on a base; the top end of a center shaft is connected with the bottom end of the upper shaft through an intermediate coupler; a middle bearing pedestal is mounted on the top surface of a bent pipe; a bushing sleeve is mounted in a centrale hole of in the middle bearing pedestal; an bearing bushing is mounted in a centrale hole of in the bushing sleeve; an upper shaft sleeve is mounted on a center shaft; a filler seat is mounted on the top surface of the bent pipe; a filler gland is mounted on the filler seat; the bottom end of the bent pipe is mounted on the top surface of a pump seat; an impeller seat is mounted at the bottom end of a lower shaft; an impeller nut is mounted on the bottom surface of the impeller seat; the top surface of a flow guide cover is mounted on the bottom surface of the pump seat; the top surface of a water inlet horn is mounted on the bottom surface of the flow guide cover.
Description
Technical field
The present invention relates to axial-flow pump technical field, specifically, particularly a kind of large discharge Axial-Flow Pumps with Low Head.
Background technique
Axial-flow pump is the pump leaning on the blade of spinning roller impeller to the active force that liquid produces, liquid to be carried in the axial direction.The impeller of common axial-flow pump comprises following several parts: impeller boss, 2 ~ 7 blades be arranged on impeller boss, be arranged on the movable vane head of impeller boss end.Impeller boss, blade and movable vane head form impeller jointly.Impeller rotates in tubular shape pump case.The pump case of upper impeller is equipped with fixed guide vane, in order to eliminate the rotary motion of liquid, makes it to become axial motion, and be pressure energy the kinetic energy of rotary motion.
Axial-flow pump is single-stage normally, and minority makes stage type.Range of flow is very large, be 180 ~ 36 ten thousand steres/time.Lift is generally below 20 meters.Axial-flow pump is generally vertical, and impeller is immersed under water, also has horizontal or inclined axial flow.
Axial-flow pump is mainly applicable to the occasion of low lift, large discharge, and the water level as irrigation, water drainage, dock draining, canal ship lock regulates, or is used as power plant's System in Large Circulating Water Pump.The axial-flow pump (making twin-stage if desired) that lift is higher can for the hydraulic jet propulsion of shallow draft ship.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned deficiency of the prior art, to provide a kind of large discharge Axial-Flow Pumps with Low Head, its compact structure, and steadily, flow is large and lift is low in running.
The technical solution adopted for the present invention to solve the technical problems is: a kind of large discharge Axial-Flow Pumps with Low Head, comprises impeller nut, impeller base, water-inlet horn, blade, cartridge housing, bearing shell, air guide sleeve, lower shaft, pump seat, Hough coupling, bend pipe, axis, bottom bracket, axle bush sleeve, top bearing shell, Upper shaft sleeve, filler seat, filler, Gland, intermediate shaft coupling, upper axle, base, electric machine support, bearing, bearing housing, upper bearing bracket, bearing cap, interstage sleeve, bearing gland, round nut, coupling and motor, described motor is fixedly mounted on the end face of electric machine support by screw, described upper axle top is connected with motor output shaft by coupling, described upper bearing bracket is fixedly mounted in electric machine support by screw, described bearing housing is fixedly mounted on the bottom surface of upper bearing bracket by screw, bearing described in lower end is arranged on bearing housing, described bearing cap is arranged on axle and bearing cap bottom surface withstands on bottom end bearing, bearing described in upper end is arranged on bearing cap, described interstage sleeve is arranged on axle and the bottom surface of interstage sleeve withstands on the end face of bearing cap, described round nut is arranged on axle and round nut bottom surface withstands on the end face of interstage sleeve, described bearing gland is fixedly mounted on upper bearing bracket by screw, described electric machine support bottom surface is fixedly mounted on base, described axis top is connected with upper axle bottom by intermediate shaft coupling, described bottom bracket is fixedly mounted on the end face of bend pipe, described axle bush sleeve is fixedly mounted in the center hole of bottom bracket, described top bearing shell is fixedly mounted in the center hole of axle bush sleeve, described Upper shaft sleeve to be arranged on axis and to coordinate with top bearing shell, described filler seat is fixedly mounted on bend pipe end face, described filler is arranged in the gap between filler seat center hole and axis, described Gland to be fixedly mounted on filler seat by screw and Gland withstands on the end face of filler, described lower shaft top is connected with axis bottom by Hough coupling, described bend pipe bottom is fixedly mounted on pump seat end face by screw, described impeller base is arranged on lower shaft bottom by key, described impeller nut is fixedly mounted on the bottom surface of impeller base by screw, described blades installation is on impeller base, described cartridge housing is fixedly mounted in the center hole of impeller base, described bearing shell to be arranged on lower shaft and with cartridge housing inner hole, described air guide sleeve end face is fixedly mounted on the bottom surface of pump seat, described water-inlet horn end face is fixedly mounted on the bottom surface of air guide sleeve.
As preferably, described pump seat is fixedly mounted on ground by stone bolt.
As preferably, described bearing cap center bore inner wall is provided with annular groove, is provided with sealing felt collar and contacts with upper axle external cylindrical surface in annular groove.
As preferably, the inwall of described electric machine support is installed by welding with the plectane of band center hole, between plectane bottom surface and electric machine support inwall, stiffening rib is installed.
As preferably, described base is installed by channel-section steel and Plate Welding and is formed.
The present invention compared with prior art has the following advantages: compact structure, and steadily, flow is large and lift is low in running; Applied range, is applicable to carry clear water or physicochemical properties to be similar to other liquid of water, is widely used in farmland discharging-irrigating, cogeneration power plant input circulating water, city lifting feedwater and other hydraulic engineering etc.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Description of reference numerals:
1-impeller nut, 2-impeller base, 3-water-inlet horn, 4-blade, 5-cartridge housing, 6-bearing shell, 7-air guide sleeve, 8-lower shaft, 9-pump seat, 10-Hough coupling, 11-bend pipe, 12-axis, 13-bearing support, 14-axle bush sleeve, 15-top bearing shell, 16-Upper shaft sleeve, 17-filler seat, 18-filler, 19-Gland, 20-intermediate shaft coupling, the upper axle of 21-, 22-base, 23-electric machine support, 24-bearing, 25-bearing housing, 26-upper bearing bracket, 27-bearing cap, 28-interstage sleeve, 29-bearing gland, 30-round nut, 31-coupling, 32-motor.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the invention is described:
Embodiment, as shown in Figure 1, a kind of large discharge Axial-Flow Pumps with Low Head, comprise impeller nut 1, impeller base 2, water-inlet horn 3, blade 4, cartridge housing 5, bearing shell 6, air guide sleeve 7, lower shaft 8, pump seat 9, Hough coupling 10, bend pipe 11, axis 12, bottom bracket 13, axle bush sleeve 14, top bearing shell 15, Upper shaft sleeve 16, filler seat 17, filler 18, Gland 19, intermediate shaft coupling 20, upper axle 21, base 22, electric machine support 23, bearing 24, bearing housing 25, upper bearing bracket 26, bearing cap 27, interstage sleeve 28, bearing gland 29, round nut 30, coupling 31 and motor 32, described motor 32 is fixedly mounted on by screw on the end face of electric machine support 23, described upper axle 21 top is connected with motor 32 output shaft by coupling 31, described upper bearing bracket 26 is fixedly mounted in electric machine support 23 by screw, described bearing housing 25 is fixedly mounted on by screw on the bottom surface of upper bearing bracket 26, bearing 24 described in lower end is arranged on bearing housing 25, described bearing cap 27 is arranged on axle 21 and bearing cap 27 bottom surface withstands on bottom end bearing 24, bearing 24 described in upper end is arranged on bearing cap 27, described interstage sleeve 28 is arranged on the axle 21 and bottom surface of interstage sleeve 28 and withstands on the end face of bearing cap 27, described round nut 30 is arranged on axle 21 and round nut 30 bottom surface withstands on the end face of interstage sleeve 28, described bearing gland 29 is fixedly mounted on upper bearing bracket 26 by screw, described electric machine support 23 bottom surface is fixedly mounted on base 22, described axis 12 top is connected with upper axle 21 bottom by intermediate shaft coupling 20, described bottom bracket 13 is fixedly mounted on the end face of bend pipe 11, described axle bush sleeve 14 is fixedly mounted in the center hole of bottom bracket 13, described top bearing shell 15 is fixedly mounted in the center hole of axle bush sleeve 14, described Upper shaft sleeve 16 to be arranged on axis 12 and to coordinate with top bearing shell 15, described filler seat 17 is fixedly mounted on bend pipe 11 end face, described filler 18 is arranged in the gap between filler seat 17 center hole and axis 12, described Gland 19 to be fixedly mounted on filler seat 17 by screw and Gland 19 withstands on the end face of filler 18, described lower shaft 8 top is connected with axis 12 bottom by Hough coupling 10, described bend pipe 11 bottom is fixedly mounted on pump seat 9 end face by screw, described impeller base 2 is arranged on lower shaft 8 bottom by key, described impeller nut 1 is fixedly mounted on by screw on the bottom surface of impeller base 2, described blade 4 is arranged on impeller base 2, described cartridge housing 5 is fixedly mounted in the center hole of impeller base 2, described bearing shell 6 to be arranged on lower shaft 8 and with cartridge housing 5 inner hole, described air guide sleeve 7 end face is fixedly mounted on the bottom surface of pump seat 9, described water-inlet horn 3 end face is fixedly mounted on the bottom surface of air guide sleeve 7.
Preferably, described pump seat 9 is fixedly mounted on ground by stone bolt.
Preferably, described bearing cap 27 center bore inner wall is provided with annular groove, is provided with sealing felt collar and contacts with upper axle 21 external cylindrical surface in annular groove.
Preferably, the inwall of described electric machine support 23 is installed by welding with the plectane of band center hole, between plectane bottom surface and electric machine support 23 inwall, stiffening rib is installed.
By reference to the accompanying drawings the preferred embodiment for the present invention is explained in detail above, but the invention is not restricted to above-mentioned mode of execution, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from present inventive concept.
Do not depart from the spirit and scope of the present invention and can make other changes many and remodeling.Should be appreciated that and the invention is not restricted to specific mode of execution, scope of the present invention is defined by the following claims.
Claims (5)
1. a large discharge Axial-Flow Pumps with Low Head, is characterized in that: comprise impeller nut, impeller base, water-inlet horn, blade, cartridge housing, bearing shell, air guide sleeve, lower shaft, pump seat, Hough coupling, bend pipe, axis, bottom bracket, axle bush sleeve, top bearing shell, Upper shaft sleeve, filler seat, filler, Gland, intermediate shaft coupling, upper axle, base, electric machine support, bearing, bearing housing, upper bearing bracket, bearing cap, interstage sleeve, bearing gland, round nut, coupling and motor, described motor is fixedly mounted on the end face of electric machine support by screw, described upper axle top is connected with motor output shaft by coupling, described upper bearing bracket is fixedly mounted in electric machine support by screw, described bearing housing is fixedly mounted on the bottom surface of upper bearing bracket by screw, bearing described in lower end is arranged on bearing housing, described bearing cap is arranged on axle and bearing cap bottom surface withstands on bottom end bearing, bearing described in upper end is arranged on bearing cap, described interstage sleeve is arranged on axle and the bottom surface of interstage sleeve withstands on the end face of bearing cap, described round nut is arranged on axle and round nut bottom surface withstands on the end face of interstage sleeve, described bearing gland is fixedly mounted on upper bearing bracket by screw, described electric machine support bottom surface is fixedly mounted on base, described axis top is connected with upper axle bottom by intermediate shaft coupling, described bottom bracket is fixedly mounted on the end face of bend pipe, described axle bush sleeve is fixedly mounted in the center hole of bottom bracket, described top bearing shell is fixedly mounted in the center hole of axle bush sleeve, described Upper shaft sleeve to be arranged on axis and to coordinate with top bearing shell, described filler seat is fixedly mounted on bend pipe end face, described filler is arranged in the gap between filler seat center hole and axis, described Gland to be fixedly mounted on filler seat by screw and Gland withstands on the end face of filler, described lower shaft top is connected with axis bottom by Hough coupling, described bend pipe bottom is fixedly mounted on pump seat end face by screw, described impeller base is arranged on lower shaft bottom by key, described impeller nut is fixedly mounted on the bottom surface of impeller base by screw, described blades installation is on impeller base, described cartridge housing is fixedly mounted in the center hole of impeller base, described bearing shell to be arranged on lower shaft and with cartridge housing inner hole, described air guide sleeve end face is fixedly mounted on the bottom surface of pump seat, described water-inlet horn end face is fixedly mounted on the bottom surface of air guide sleeve.
2. a kind of large discharge Axial-Flow Pumps with Low Head as claimed in claim 1, is characterized in that: described pump seat is fixedly mounted on ground by stone bolt.
3. a kind of large discharge Axial-Flow Pumps with Low Head as claimed in claim 1, is characterized in that: described bearing cap center bore inner wall is provided with annular groove, is provided with sealing felt collar and contacts with upper axle external cylindrical surface in annular groove.
4. a kind of large discharge Axial-Flow Pumps with Low Head as claimed in claim 1, is characterized in that: the plectane inwall of described electric machine support being installed by welding with band center hole, is provided with stiffening rib between plectane bottom surface and electric machine support inwall.
5. a kind of large discharge Axial-Flow Pumps with Low Head as claimed in claim 1, is characterized in that: described base is installed by channel-section steel and Plate Welding and formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026584.0A CN105422473A (en) | 2015-12-31 | 2015-12-31 | Large-flow low-lift axial flow pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026584.0A CN105422473A (en) | 2015-12-31 | 2015-12-31 | Large-flow low-lift axial flow pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105422473A true CN105422473A (en) | 2016-03-23 |
Family
ID=55500932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026584.0A Pending CN105422473A (en) | 2015-12-31 | 2015-12-31 | Large-flow low-lift axial flow pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422473A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538482A (en) * | 2018-10-29 | 2019-03-29 | 江苏大学 | A kind of shaft-driven Multi-stage axial-flow pump of single-motor double |
| CN110966225A (en) * | 2018-09-28 | 2020-04-07 | 株式会社日立产业机器 | Vertical shaft pump |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825088A (en) * | 2010-04-30 | 2010-09-08 | 烟台恒邦集团有限公司泵业分公司 | Improved shaft flow pump |
| CN202732375U (en) * | 2012-09-05 | 2013-02-13 | 杭州萧山涌潮水泵有限公司 | Axial flow pump |
| CN205446074U (en) * | 2015-12-31 | 2016-08-10 | 镇江江大泵业科技有限公司 | Large -traffic low lift axial -flow pump |
-
2015
- 2015-12-31 CN CN201511026584.0A patent/CN105422473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101825088A (en) * | 2010-04-30 | 2010-09-08 | 烟台恒邦集团有限公司泵业分公司 | Improved shaft flow pump |
| CN202732375U (en) * | 2012-09-05 | 2013-02-13 | 杭州萧山涌潮水泵有限公司 | Axial flow pump |
| CN205446074U (en) * | 2015-12-31 | 2016-08-10 | 镇江江大泵业科技有限公司 | Large -traffic low lift axial -flow pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966225A (en) * | 2018-09-28 | 2020-04-07 | 株式会社日立产业机器 | Vertical shaft pump |
| CN109538482A (en) * | 2018-10-29 | 2019-03-29 | 江苏大学 | A kind of shaft-driven Multi-stage axial-flow pump of single-motor double |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |