CN109555722A - A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one - Google Patents
A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one Download PDFInfo
- Publication number
- CN109555722A CN109555722A CN201811535292.3A CN201811535292A CN109555722A CN 109555722 A CN109555722 A CN 109555722A CN 201811535292 A CN201811535292 A CN 201811535292A CN 109555722 A CN109555722 A CN 109555722A
- Authority
- CN
- China
- Prior art keywords
- lower shell
- bush
- shell
- shaft coupling
- bearing
- 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
Links
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
-
- 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
-
- 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
-
- 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
- F04D29/0462—Bearing cartridges
-
- 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
Abstract
The present invention relates to the vertical long shaft pumps of a kind of point of half formula Axile connection structure and bush of bush bearing one, including upper shell, lower shell, upper axis, lower axle, shaft coupling bushing；Shaft coupling bushing is mounted between upper and lower cylinder, and upper and lower axis is linked together by shaft coupling bushing；Lower shell bearing rib and lower shell support base；Non-metallic bushings and lower shell are linked together by non-metallic bushings fastening assembly；Lower shell bearing rib is fixed on lower shell support base on lower shell；Non-metallic bushings are mounted in non-metallic bushings seat by interference fit；Non-metallic bushings seat is mounted on lower shell support base by clearance fit；The present invention includes the function of point half the formula connection and bush of bush bearing of gang configuration, the amount of unbalance of pump rotor can be reduced to greatest extent, it improves rotor rigidity and service life, reduce pump group vibration, improve maintenance efficiency, ensure that the stability, reliability and maintainability of system.
Description
Technical field
The present invention relates to a kind of vertical long shaft pumps, and in particular to one kind can reduce the imbalance of pump rotor to greatest extent
Amount improves the vertical long shaft pump of point half formula Axile connection structure and bush of bush bearing one of rotor rigidity and service life.
Background technique
Currently, jackshaft is usually to be supported by bushing (or sliding bearing), end in the multiaxis structure that long shaft submerged pump uses
Portion connects composition shafting by shaft coupling, sees Fig. 2.Because long-shaft pump shafting is generally because length and diameter of axle size differ greatly, pump
First critical speed of group is low.For the single axle of jackshaft, all there is no problem for general receiving axial force.Radial force is then ratio
More crucial use condition.And other than pumping the radial force that power part generates, the joint portions of multiaxis connection are because of gap
It is coupled, also can additionally generate part amount of unbalance.In addition installation site and bushing locations are at intervals, so meeting
Additional radial force is generated, the abrasion of bushing is increased.
For from method for dismounting, need upwards to mention shaft coupling, until a side axle and two between centers for connection
It can be dismantled after dividing half set to expose.If the shaft size that shaft coupling caused by medium is unclean or other reasons proposes section upwards becomes
Change, will greatly increase disassembly difficulty.
Summary of the invention
In view of the above-mentioned problems, the main purpose of the present invention is to provide one kind to reduce pump rotor to greatest extent not
Aequum improves the vertical long of point half formula Axile connection structure and bush of bush bearing one of rotor rigidity and service life
Pump.
The present invention is that above-mentioned technical problem is solved by following technical proposals: one kind point half formula Axile connection structure and cunning
The vertical long shaft pump of dynamic bearing bushing one, the vertical long shaft pump include: upper shell, lower shell, upper axis, lower axle, shaft coupling
Bushing.
Upper shell is connected with lower shell by upper lower shell fastener；Shaft coupling bushing be mounted on upper shell and lower shell it
Between, upper axis and lower axle are linked together by shaft coupling bushing.
It is provided with flange for upper shell on upper shell, flange of lower shell is provided on lower shell, lower shell bearing rib is under
Barrel support seat；Non-metallic bushings and lower shell are linked together by non-metallic bushings fastening assembly；Lower shell bearing rib
Lower shell support base is fixed on lower shell；Non-metallic bushings are mounted in non-metallic bushings seat by interference fit；Non- gold
Belong to liner clamp to be mounted on lower shell support base by clearance fit；The shaft end portion of upper axis and lower axle is designed with concave structure slot,
Shaft coupling bushing both ends are to divide half structure, and the lower end of upper axis and the upper end of lower axle are blocked by internal convex shape.
In specific embodiments of the present invention, axle key is installed between the shaft coupling bushing and upper axis, by upper
Axis holding screw is fixed；Lower axle key is installed between shaft coupling bushing and lower axle, is fixed by lower axle holding screw.
In specific embodiments of the present invention, antiwear and anticorrosion protective layer is done in the outer surface of the shaft coupling bushing interlude
Processing, with the mating support shafting as bushing of non-metallic bushings inner surface.
In specific embodiments of the present invention, the upper lower shell fastener is bolt and nut component.
In specific embodiments of the present invention, upper lower shell fastener will be upper through flange for upper shell and flange of lower shell
Cylinder and lower shell link together.
The positive effect of the present invention is that: provided by the invention point of half formula Axile connection structure and bush of bush bearing one
The vertical long shaft pump of body does antiwear and anticorrosion protective layer on shaft coupling excircle of bushing of the invention, so that shaft coupling bushing is playing
While axis connection acts on, also the function of supporting shafting is realized as sliding bearing in mating sliding bearing outer ring together simultaneously.
Two ends and axis connection part of shaft coupling are designed as point half formula and install, and are greatly improved demolition and maintenance effect
Rate, avoid the precipitating generated by working environment or it is unclean caused by dismantle it is inconvenient.
The present invention includes the function of point half the formula connection and bush of bush bearing of gang configuration, can be reduced to greatest extent
The amount of unbalance of pump rotor improves rotor rigidity and service life, reduces pump group vibration, improves maintenance efficiency, ensure that system
Stability, reliability and maintainability.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 be the present invention in shaft coupling bushing, upper axis, lower axle overall structure diagram.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
The structural schematic diagram of shaft coupling bushing in Fig. 5 present invention.
Specific embodiment
Present pre-ferred embodiments are provided with reference to the accompanying drawing, in order to explain the technical scheme of the invention in detail.
Fig. 1 is overall structure diagram of the invention, and Fig. 2 ties for shaft coupling bushing, upper axis, the whole of lower axle in the present invention
Structure schematic diagram, Fig. 3 are the A-A cross-sectional view of Fig. 2, and Fig. 4 is the left view of Fig. 2, and as shown in Figs 1-4, offer of the invention divides half
The vertical long shaft pump of formula Axile connection structure and bush of bush bearing one, the vertical long shaft pump include: upper shell 1, lower shell 6,
Upper axis 2, lower axle 9, shaft coupling bushing 4；Upper shell 1 and lower shell 6 are connected by upper lower shell fastener 12；Shaft coupling bushing 4
It is mounted between upper shell 1 and lower shell 6, upper axis 2 and lower axle 9 are linked together by shaft coupling bushing 4.
It is provided with flange for upper shell 101 on upper shell 1, flange of lower shell 601, lower shell support are provided on lower shell 6
Gusset 602 and lower shell support base 603.
Non-metallic bushings 10 and lower shell 6 are linked together by non-metallic bushings fastening assembly 13.
Lower shell bearing rib 602 is fixed on lower shell support base 603 on lower shell 6.
Non-metallic bushings 10 are mounted in non-metallic bushings seat 11 by interference fit；Non-metallic bushings seat 11 passes through gap
It is fitted on lower shell support base 603.
The shaft end portion of upper axis 2 and lower axle 9 is designed with concave structure slot 201,901, and 4 both ends of shaft coupling bushing are to divide half hitch
Structure blocks the lower end of upper axis 2 and the upper end of lower axle 9 by internal convex shape 401, has carried out the positioning with one heart with axial direction.
Axle key 3 is installed between shaft coupling bushing 4 and upper axis 2, it is fixed by upper axis holding screw 5；Shaft coupling bushing 4
Lower axle key 7 is installed between lower axle 9, it is fixed by lower axle holding screw 8.
Antiwear and anticorrosion protective layer processing is done in section outer surface among shaft coupling bushing 4, matches with 10 inner surface of non-metallic bushings
Cover the sliding bearing function of the support shafting as bushing.
Upper lower shell fastener 12 in the present invention is bolt and nut component.
The upper axis and lower axle of rotor portion in the present invention are linked together by shaft coupling bushing.
Static outer barrel is provided with the function of support sliding bearing outer ring in the present invention.
Antiwear and anticorrosion protective layer is done on shaft coupling excircle of bushing of the invention, so that shaft coupling bushing is playing axis connection work
With while, also the function of supporting shafting is realized as sliding bearing in mating sliding bearing outer ring together simultaneously.
Mark 402 in Fig. 4-5 is the peace that the mounting groove and bottom that mill out are processed on 4 outer round surface of shaft coupling bushing
Fill through-hole.The two panels point half-connection at 4 both ends of bushing is got up by bolt 14.
Two ends and axis connection part of shaft coupling bushing 4 (referring to Fig. 5) are designed as point half formula and install, and are greatly promoted
Demolition and maintenance efficiency, avoid the precipitating generated by working environment or it is unclean caused by dismantle it is inconvenient.
The present invention includes the function of point half the formula connection and bush of bush bearing of gang configuration, can be reduced to greatest extent
The amount of unbalance of pump rotor improves rotor rigidity and service life, reduces pump group vibration, improves maintenance efficiency, ensure that system
Stability, reliability and maintainability.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (5)
1. the vertical long shaft pump of a kind of point of half formula Axile connection structure and bush of bush bearing one, it is characterised in that: described vertical
Long-shaft pump includes: upper shell, lower shell, upper axis, lower axle, shaft coupling bushing；
Upper shell is connected with lower shell by upper lower shell fastener；Shaft coupling bushing is mounted between upper shell and lower shell,
Upper axis and lower axle are linked together by shaft coupling bushing；
It is provided with flange for upper shell on upper shell, flange of lower shell, lower shell bearing rib and lower shell are provided on lower shell
Support base；Non-metallic bushings and lower shell are linked together by non-metallic bushings fastening assembly；Lower shell bearing rib is under
Barrel support seat is fixed on lower shell；Non-metallic bushings are mounted in non-metallic bushings seat by interference fit；Nonmetallic lining
Block set is mounted on lower shell support base by clearance fit；The shaft end portion of upper axis and lower axle is designed with concave structure slot, shaft coupling
Section bushing both ends are to divide half structure, and the lower end of upper axis and the upper end of lower axle are blocked by internal convex shape.
2. the vertical long shaft pump of according to claim 1 point of half formula Axile connection structure and bush of bush bearing one, special
Sign is: being equipped with axle key between the shaft coupling bushing and upper axis, is fixed by upper axis holding screw；Shaft coupling bushing and
Lower axle key is installed between lower axle, is fixed by lower axle holding screw.
3. the vertical long shaft pump of according to claim 1 point of half formula Axile connection structure and bush of bush bearing one, special
Sign is: antiwear and anticorrosion protective layer processing is done in the outer surface of the shaft coupling bushing interlude, matches with non-metallic bushings inner surface
Cover the support shafting as bushing.
4. the vertical long shaft pump of according to claim 1 point of half formula Axile connection structure and bush of bush bearing one, special
Sign is: the upper lower shell fastener is bolt and nut component.
5. the vertical long shaft pump of according to claim 1 point of half formula Axile connection structure and bush of bush bearing one, special
Sign is: upper lower shell fastener links together upper shell and lower shell through flange for upper shell and flange of lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535292.3A CN109555722A (en) | 2018-12-14 | 2018-12-14 | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811535292.3A CN109555722A (en) | 2018-12-14 | 2018-12-14 | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555722A true CN109555722A (en) | 2019-04-02 |
Family
ID=65870171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811535292.3A Pending CN109555722A (en) | 2018-12-14 | 2018-12-14 | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109555722A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179563A (en) * | 1998-12-14 | 2000-06-27 | Sakai Seisakusho:Kk | Shaft tightening device of shaft coupling |
| CN203516126U (en) * | 2013-09-22 | 2014-04-02 | 江苏新泰泵阀制造有限公司 | Long shaft submerged pump |
| CN103775516A (en) * | 2012-10-28 | 2014-05-07 | 山东双轮股份有限公司 | Clamping shell coupler |
| CN204175611U (en) * | 2014-10-24 | 2015-02-25 | 江西一元再生资源有限公司 | A kind of long shaft multi-stage Under Water Pumps |
| CN105927670A (en) * | 2016-06-17 | 2016-09-07 | 苏州华徕光电仪器有限公司 | Bearing transmission coupler |
| CN209483675U (en) * | 2018-12-14 | 2019-10-11 | 上海凯泉泵业（集团）有限公司 | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one |
-
2018
- 2018-12-14 CN CN201811535292.3A patent/CN109555722A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000179563A (en) * | 1998-12-14 | 2000-06-27 | Sakai Seisakusho:Kk | Shaft tightening device of shaft coupling |
| CN103775516A (en) * | 2012-10-28 | 2014-05-07 | 山东双轮股份有限公司 | Clamping shell coupler |
| CN203516126U (en) * | 2013-09-22 | 2014-04-02 | 江苏新泰泵阀制造有限公司 | Long shaft submerged pump |
| CN204175611U (en) * | 2014-10-24 | 2015-02-25 | 江西一元再生资源有限公司 | A kind of long shaft multi-stage Under Water Pumps |
| CN105927670A (en) * | 2016-06-17 | 2016-09-07 | 苏州华徕光电仪器有限公司 | Bearing transmission coupler |
| CN209483675U (en) * | 2018-12-14 | 2019-10-11 | 上海凯泉泵业（集团）有限公司 | A kind of vertical long shaft pump of point of half formula Axile connection structure and bush of bush bearing one |
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