CN106368978B - A kind of positioning of centrifugal pump impeller and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method - Google Patents
A kind of positioning of centrifugal pump impeller and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method Download PDFInfo
- Publication number
- CN106368978B CN106368978B CN201610975115.1A CN201610975115A CN106368978B CN 106368978 B CN106368978 B CN 106368978B CN 201610975115 A CN201610975115 A CN 201610975115A CN 106368978 B CN106368978 B CN 106368978B
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- CN
- China
- Prior art keywords
- bearing
- housing
- cover
- impeller
- pump
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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
- 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
-
- 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
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal 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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Abstract
The invention belongs to centrifugal pumps to assist dismounting technical field, and in particular to centrifugal pump impeller positions and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method.The present invention provides a kind of convenient for installation and maintenance, the centrifugal pump impeller positioning positioned convenient for impeller and quick-replaceable Bearning mechanism.Centrifugal pump impeller positioning of the present invention and quick-replaceable Bearning mechanism are characterized in that：Pump shaft surface in bear box is fixedly installed bearing holder (housing, cover), and fore bearing is provided between bearing holder (housing, cover) front end and bear box, rear bearing is provided between the rear end and bear box of bearing holder (housing, cover)；The fore bearing is set between the prelocalization flange of bearing holder (housing, cover) front end and clamp spring, and rear axle brought forward end is provided with rear locating flange on the bearing holder (housing, cover), connection screw thread is provided with bearing nut on pump shaft, bearing nut is corresponding with rear bearing rear end face；Corresponding connecting hole, bearing holder (housing, cover) and bearing nut is provided on the end face of bearing holder (housing, cover) and bearing nut to fix by the connection bolt in connecting hole.
Description
Technical field
The invention belongs to centrifugal pumps to assist dismounting technical field, and in particular to centrifugal pump impeller positions and quick-replaceable bearing
Mechanism, impeller localization method and bearing replacing method.
Background technology
For centrifugal pump, when impeller outlet F-L curve and larger spiral casing flow passage center line deviation, in centrifugal pump
Flow field is unstable, and efficiency reduces.If impeller outlet F-L curve is overlapped with spiral casing flow passage center line approach, centrifugal pump flow field is steady
Fixed, efficiency improves.
Existing centrifugal pump structure as shown in figure 4, need disassembled completely, fore bearing and rear bearing can be replaced,
Its maintenance maintenance time is long, heavy workload.
Invention content
The present invention addresses the above problem, provide it is a kind of simple in structure, it is convenient for installation and maintenance, convenient for impeller positioning from
Heart pump impeller positions and quick-replaceable Bearning mechanism.
In order to realize the above-mentioned purpose of the present invention, the present invention adopts the following technical scheme that, the present invention includes the pump housing, in the pump housing
It is provided with impeller, the end set of the pump housing has pump cover, pump cover to be provided centrally with the pump shaft being connected with impeller, axis is provided with outside pump shaft
Hold shell, it is characterised in that：Pump shaft surface in bear box is fixedly installed bearing holder (housing, cover), the front end of bearing holder (housing, cover) and bear box
Between be provided with fore bearing, be provided with rear bearing between the rear end and bear box of bearing holder (housing, cover)；The fore bearing is set to bearing
Between the prelocalization flange and clamp spring that cover front end, the front end on the bearing holder (housing, cover) corresponding to rear bearing is provided with rear locating flange,
Bearing nut is provided with by connection screw thread on pump shaft, bearing nut is corresponding with the rear end face of rear bearing；The end face of bearing holder (housing, cover)
It is fixed by the connection bolt in connecting hole with corresponding connecting hole, bearing holder (housing, cover) and bearing nut is provided on bearing nut.
As a preferred embodiment of the present invention, the bear box rear end is provided with dust pan, bear box Inner Front End
It is provided with preceding gland.
The present invention also provides a kind of centrifugal pump impeller location regulation method based on above-mentioned replacement Bearning mechanism, feature exists
In：Lower dust pan is dismantled first, is dismantled lower connection bolt, is applied external force and move impeller to pump housing direction together with pump shaft,
Impeller outlet center line is moved to more than after spiral casing flow passage center line, keeps pump shaft that cannot rotate；Swivel bearing nut, impeller is together with axis
It is moved together to bear box direction, when moving to impeller outlet center line and being overlapped with spiral casing flow passage center line, observes bearing nut
On lead to the hole site, select bearing nut through hole and the best overlapping positions of bearing holder (housing, cover) threaded hole, tighten connection bolt.
The present invention also provides a kind of bearing quick change methods based on above-mentioned replacement Bearning mechanism, it is characterised in that：It is first
First, lower dust pan is dismantled, bolt is connected under dismantling, swivel bearing nut with pump shaft until be detached from.Stud is lengthened using two to exist
Symmetric position screws in the threaded hole of bearing holder (housing, cover), and handle is drawn using screw thread, applies external force by bearing holder (housing, cover) together with fore bearing and rear bearing one
It rises and removes.
Beneficial effects of the present invention：Centrifugal pump impeller positioning of the present invention and quick-replaceable Bearning mechanism, process work
Skill is simple, of low cost, but solves centrifugal pump efficiency decrease problem caused by impeller positioning is inaccurate, while solving tradition
Centrifugal pump replaces the problem that bearing working amount is big, and the consuming time is grown, and meets the trend of centrifugal pump development, has larger promotion price
Value and significant economical, societal benefits.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the schematic diagram of centrifugal pump impeller location regulation method of the present invention.
Fig. 3 is the schematic diagram of centrifugal pump bearing quick change method of the present invention.
Fig. 4 is the structural schematic diagram of existing centrifugal pump.
1 it is the pump housing in attached drawing, 2 be pump cover, 3 be mechanical seal, 4 be fore bearing, 5 be rear bearing, 6 be bearing nut, 7 is
Connection bolt, 8 be pump shaft, 9 be dust pan, 10 be bearing holder (housing, cover), 11 be rear locating flange, 12 be bear box, 13 be clamp spring, 14
For preceding gland, 15 be impeller, 16 be prelocalization flange, 17 be impeller outlet center line, 18 be spiral casing flow passage center line, 19 be screw thread draw
.
Specific implementation mode
The present invention includes the pump housing 1, and impeller 15 is provided in the pump housing 1, and the end set of the pump housing 1 has pump cover 2,2 center of pump cover
It is provided with the pump shaft 8 being connected with impeller 15, bear box 12 is provided with outside pump shaft 8, it is characterised in that：Pump in bear box 12
8 surface of axis is fixedly installed bearing holder (housing, cover) 10, and fore bearing 4, bearing holder (housing, cover) are provided between the front end and bear box 12 of bearing holder (housing, cover) 10
It is provided with rear bearing 5 between 10 rear end and bear box 12；The prelocalization that the fore bearing 4 is set to 10 front end of bearing holder (housing, cover) is convex
Between edge 16 and clamp spring 13, the front end on the bearing holder (housing, cover) 10 corresponding to rear bearing 5 is provided with rear locating flange 11, on pump shaft 8
Connection screw thread is provided with bearing nut 6, bearing nut 6 is corresponding with the rear end face of rear bearing 5；The end face of bearing holder (housing, cover) 10 and
It is solid by the connection bolt 7 in connecting hole that corresponding connecting hole, bearing holder (housing, cover) 10 and bearing nut 6 are provided on bearing nut 6
It is fixed.
As a preferred embodiment of the present invention, 12 rear end of the bear box is provided with dust pan 9, in bear box 12
Gland 14 before front end is provided with.
It is provided with mechanical seal 3 on pump shaft 8 between the pump cover 2 and bear box 12.
It is connected by connecting key between the bearing holder (housing, cover) 10 and pump shaft 8.
Corresponding connecting hole is set as at least eight groups on the end face of the bearing holder (housing, cover) 10 and bearing nut 6.
The present invention also provides a kind of 15 location regulation method of centrifugal pump impeller based on above-mentioned replacement Bearning mechanism, features
It is：Dismantle lower dust pan 9 first, dismantle it is lower connect bolt 7, apply external force by impeller 15 together with pump shaft 8 to 1 side of the pump housing
To movement, moves to impeller 15 and export center line more than after spiral casing flow passage center line 18, keep pump shaft 8 that cannot rotate；Swivel bearing spiral shell
Mother 6, impeller 15 is moved together with axis to 12 direction of bear box, and center line and spiral casing flow passage center line are exported when moving to impeller 15
When 18 coincidence, the lead to the hole site on bearing nut 6 is observed, 6 through-hole of bearing nut is selected most preferably to be overlapped with 10 threaded hole of bearing holder (housing, cover)
Connection bolt 7 is tightened in position.
The present invention also provides a kind of bearing quick change methods based on above-mentioned replacement Bearning mechanism, it is characterised in that：It is first
First, lower dust pan 9 is dismantled, bolt 7 is connected under dismantling, swivel bearing nut 6 with pump shaft 8 until be detached from.Use two lengthening spiral shells
Column screws in the threaded hole of bearing holder (housing, cover) 10 in symmetric position, is drawn 19 using screw thread, applies external force by bearing holder (housing, cover) 10 together with fore bearing 4
It is removed together with rear bearing 5.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical solution described in inventive embodiments, it will be understood by those of ordinary skill in the art that, still the present invention can be carried out
Modification or equivalent replacement, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (1)
1. the centrifugal pump impeller location regulation method of a kind of centrifugal pump impeller positioning and quick-replaceable Bearning mechanism, including the pump housing
（1）, the pump housing（1）Inside it is provided with impeller（15）, the pump housing（1）End set have pump cover（2）, pump cover（2）It is provided centrally with and leaf
Wheel（15）Connected pump shaft（8）, pump shaft（8）It is provided with bear box outside（12）, bear box（12）Interior pump shaft（8）Surface is solid
Surely it is provided with bearing holder (housing, cover)（10）, bearing holder (housing, cover)（10）Front end and bear box（12）Between be provided with fore bearing（4）, bearing holder (housing, cover)
（10）Rear end and bear box（12）Between be provided with rear bearing（5）；The fore bearing（4）It is set to bearing holder (housing, cover)（10）Front end
Prelocalization flange（16）And clamp spring（13）Between, the bearing holder (housing, cover)（10）It is upper to correspond to rear bearing（5）Front end be provided with after
Locating flange（11）, pump shaft（8）It is upper that bearing nut is provided with by connection screw thread（6）, bearing nut（6）With rear bearing（5）'s
Rear end face is corresponding；Bearing holder (housing, cover)（10）End face and bearing nut（6）On be provided with corresponding connecting hole, bearing holder (housing, cover)（10）With
Bearing nut（6）Pass through the connection bolt in connecting hole（7）It is fixed；It is characterized in that：Lower dust pan is dismantled first（9）, dismounting
Lower connection bolt（7）, apply external force by impeller（15）Together with pump shaft（8）Together to the pump housing（1）Direction moves, and moves to impeller
（15）It is more than spiral casing flow passage center line to export center line（18）Afterwards, pump shaft is kept（8）It cannot rotate；Swivel bearing nut（6）, impeller
（15）Together with axis to bear box（12）Direction moves, when moving to impeller（15）Export center line and spiral casing flow passage center line
（18）When coincidence, bearing nut is observed（6）On lead to the hole site, select bearing nut（6）Through-hole and bearing holder (housing, cover)（10）Threaded hole
Best overlapping positions tighten connection bolt（7）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975115.1A CN106368978B (en) | 2016-11-07 | 2016-11-07 | A kind of positioning of centrifugal pump impeller and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610975115.1A CN106368978B (en) | 2016-11-07 | 2016-11-07 | A kind of positioning of centrifugal pump impeller and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368978A CN106368978A (en) | 2017-02-01 |
| CN106368978B true CN106368978B (en) | 2018-07-17 |
Family
ID=57893018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610975115.1A Active CN106368978B (en) | 2016-11-07 | 2016-11-07 | A kind of positioning of centrifugal pump impeller and quick-replaceable Bearning mechanism, impeller localization method and bearing replacing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368978B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968981A (en) * | 2017-02-10 | 2017-07-21 | 安徽嘉成泵业有限责任公司 | A kind of submerged pump type dust arrester |
| CN111828398B (en) * | 2020-07-20 | 2021-06-29 | 淮南矿业(集团)有限责任公司 | Method for replacing bearing box in main ventilator hub reconstruction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54104001A (en) * | 1978-02-03 | 1979-08-15 | Hitachi Ltd | Vertical underwater pump |
| CN87100216A (en) * | 1987-01-22 | 1988-08-03 | 戴正兴 | Vertically outside installed underliquid pump |
| CN201351636Y (en) * | 2008-12-16 | 2009-11-25 | 神华集团有限责任公司 | High-temperature coal pulp pump |
| CN201679724U (en) * | 2010-04-01 | 2010-12-22 | 陈登云 | Sludge liquor pump |
| CN102116322A (en) * | 2010-12-30 | 2011-07-06 | 上海阿波罗机械股份有限公司 | Equipment cooling water pump for nuclear power station |
| CN104454555A (en) * | 2014-12-10 | 2015-03-25 | 江苏亚梅泵业集团有限公司 | Anti-corrosive wearproof chemical centrifugal pump |
| CN206129680U (en) * | 2016-11-07 | 2017-04-26 | 中国有色(沈阳)泵业有限公司 | Centrifugal pump impeller location and quick replacement bearing mechanism |
-
2016
- 2016-11-07 CN CN201610975115.1A patent/CN106368978B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54104001A (en) * | 1978-02-03 | 1979-08-15 | Hitachi Ltd | Vertical underwater pump |
| CN87100216A (en) * | 1987-01-22 | 1988-08-03 | 戴正兴 | Vertically outside installed underliquid pump |
| CN201351636Y (en) * | 2008-12-16 | 2009-11-25 | 神华集团有限责任公司 | High-temperature coal pulp pump |
| CN201679724U (en) * | 2010-04-01 | 2010-12-22 | 陈登云 | Sludge liquor pump |
| CN102116322A (en) * | 2010-12-30 | 2011-07-06 | 上海阿波罗机械股份有限公司 | Equipment cooling water pump for nuclear power station |
| CN104454555A (en) * | 2014-12-10 | 2015-03-25 | 江苏亚梅泵业集团有限公司 | Anti-corrosive wearproof chemical centrifugal pump |
| CN206129680U (en) * | 2016-11-07 | 2017-04-26 | 中国有色(沈阳)泵业有限公司 | Centrifugal pump impeller location and quick replacement bearing mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368978A (en) | 2017-02-01 |
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