CN104373360B - Sewage pump - Google Patents
Sewage pump Download PDFInfo
- Publication number
- CN104373360B CN104373360B CN201410544427.8A CN201410544427A CN104373360B CN 104373360 B CN104373360 B CN 104373360B CN 201410544427 A CN201410544427 A CN 201410544427A CN 104373360 B CN104373360 B CN 104373360B
- Authority
- CN
- China
- Prior art keywords
- shaft coupling
- motor
- water
- suction pump
- pump
- 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.)
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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
- F04D29/007—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
- F04D29/04—Shafts or bearings, or assemblies thereof
- F04D29/043—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
- F04D29/043—Shafts
- F04D29/044—Arrangements for joining or assembling shafts
Abstract
The invention belongs to pump technology field, and in particular to a kind of long service life, the sewage pump of preventing water leakage；The present invention is intended to provide a kind of water resistance is good, the small sewage pump of bending shaft degree；The scheme used for：Sewage pump, it is made up of drive part and part of drawing water, drive part includes motor and the upper outlet body being sleeved on outside motor, drawing water partly includes suction pump and the lower cover being sleeved on outside suction pump, it is connected between motor and suction pump by binodal axle, motor drives suction pump work, binodal axle includes upper shaft coupling and lower shaft coupling, upper shaft coupling is the output shaft of motor, the lower end of upper shaft coupling sequentially passes through bearing block, it is connected after motor seal lid and linkage section by shaft coupling with the upper end of lower shaft coupling, the lower end of lower shaft coupling sequentially passed through and be connected after water outlet linkage section and bearing seal cover with the main shaft of suction pump, the present invention is using after binodal axle, the contraction in length of axle, the connecting shaft intensity between motor and suction pump can be greatly enhanced.
Description
Technical field
The invention belongs to pump technology field, and in particular to a kind of long service life, the sewage pump of preventing water leakage.
Background technology
Water pump, as a kind of water lift equipment, is to be used to water being extracted into from lower to be higher by, existing immersible pump is typically all electricity
Machine is connected with water pump to be used, and the top of Large diving pump is typically connected with hundreds of meters or so of pipe, and hydraulic pressure is very big, in order to prevent
Water in water pump is entered in motor, mechanical seal between motor and water pump.If once occurring a little drainage, water under high pressure is
It can be projected out of motor cavity several meters to tens meters high, cause motor line short, it is abnormally dangerous.
The content of the invention
The present invention overcomes the shortcomings of that prior art is present, it is desirable to provide a kind of water resistance is good, the small sewage of bending shaft degree
Pump.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Sewage pump, by drive part and portion of drawing water
Be grouped into, drive part includes motor and the upper outlet body that is sleeved on outside motor, part of drawing water include suction pump and
The lower cover outside suction pump is sleeved on, is connected between motor and suction pump by binodal axle, motor drives suction pump work
Make, wherein, binodal axle includes upper shaft coupling and lower shaft coupling, and upper shaft coupling is the output shaft of motor, and the lower end of upper shaft coupling sequentially passes through axle
It is connected after bearing, motor seal lid and linkage section by shaft coupling with the upper end of lower shaft coupling, the lower end of lower shaft coupling is sequentially passed through out
It is connected after water linkage section and bearing seal cover with the main shaft of suction pump.It is connected between traditional motor and suction pump by single shaft,
The length of single shaft is big, is easily bent, and the maintenance in later stage and renewal cost are high, and the present invention is used after binodal axle, the contraction in length of axle,
The connecting shaft intensity between motor and suction pump can be greatly enhanced, the service life of binodal axle is longer than single shaft, therefore deep water pump
Service life is also longer.
The bottom of inner cylinder is connected with bearing block, motor seal lid and linkage section in turn, and upper shaft coupling is multi-diameter shaft, upper shaft coupling
Bottom pyrocondensation has the first steel disk, and the first steel disk, which is fitted in pad between the top of bearing block, and the first steel disk and bearing block, stone
Disc, the lower shaft coupling is also multi-diameter shaft, and the top pyrocondensation of lower shaft coupling has the second steel disk, and the second steel disk is fitted in the top of inwall
End, pad has the second graphite plate between the second steel disk and the top of inwall, the lower end of lower shaft coupling sequentially pass through water outlet linkage section and
It is connected after bearing seal cover with the main shaft of water pump, is tightly connected between upper outlet body and lower cover.Graphite plate passes through oil lubrication, graphite
Disk can alleviate axial pressure, and protection thrust bearing preserves from, and can extend the service life of thrust bearing, reduce maintenance
Expense.
Linkage section includes chassis and is connected to taking over a business for chassis upper end, and chassis between taking over a business by inwall with being connected, chassis
The upper end at edge, which is additionally provided between outer wall, inner and outer wall, forms cavity, be provided with chassis it is multiple around take over a business center be in
The limbers of circular array, multiple limbers are connected with cavity, are formed between aquaporin, adjacent limbers and form rib.
One or more spillway holes are also provided with chassis, if there is water to overflow into the cavity formed to connection end and bearing block, water can lead to
Cross spillway hole to flow away, press water will not be formed in cavity, it is to avoid water causes short circuit into motor.
Wherein, upper shaft coupling is multi-diameter shaft, and the bottom of upper shaft coupling passes through bearing seat supports.
Wherein, it is connected between upper shaft coupling and bearing block by bearing.
Wherein, bearing is thrust bearing.
Wherein, be additionally provided with motor seal lid below bearing block, upper shaft coupling through after the centre bore of motor seal lid with
Shaft coupling is connected, mechanical seal between upper shaft coupling and motor seal lid.
Wherein, the outer ring taken over a business is additionally provided with multiple around the mounting hole for taking over a business central circular array, multiple mounting hole cloth
Put in the outer ring of limbers.
Wherein, according to actual needs, any of optional oval, circular, square and triangle in limbers.
Wherein, the center on chassis is additionally provided with shoulder hole.
The present invention has the advantages that compared with prior art：
First, it is connected between motor of the invention and water pump by binodal axle, changes traditional single shaft connection, binodal axle
Flexibility is small, and good processing, and upper shaft coupling and lower shaft coupling are difficult bending, long service life.
2nd, limbers is additionally provided with the taking over a business of terminal pad, even if there is water to overflow into what is formed to connection end and bearing block
In cavity, water can be flowed away by spillway hole, press water will not be formed in cavity, it is to avoid water causes short circuit into motor.
3rd, pad has the top of the first graphite plate, the second steel disk and inwall between the first steel disk of the invention and bearing block
Between also pad have the second graphite plate, graphite plate can alleviate axial pressure, and protection thrust bearing preserves from, can extended
The service life of thrust bearing, reduces maintenance cost.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the invention.
Fig. 2 is the partial enlarged drawing at A in Fig. 1.
Fig. 3 is the structural representation of Fig. 1 middle connecting segments.
Fig. 4 is Fig. 3 internal structure schematic diagram.
In figure：1 is drive part, and 2 be part of drawing water, and 3 be end cap, and 4 be binodal axle, and 5 be linkage section, and 6 be the first steel disk,
7 be the first graphite plate, and 8 be the second steel disk, and 9 be the second graphite plate, and 11 be motor, and 12 be upper outlet body, and 21 be suction pump, 22
It is delivery port for lower cover, 31,32 be cable port, and 41 be upper shaft coupling, and 42 be lower shaft coupling, and 51 be chassis, and 52 is take over a business, and 53 be interior
Wall, 54 be outer wall, and 55 be limbers, and 56 be rib, and 57 be spillway hole, and 58 be shoulder hole, and 121 be outer barrel, and 122 be inner cylinder, 123
For water flowing chamber.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail, and accompanying drawing is simplified schematic diagram, only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As Figure 1-4, sewage pump, is made up of, drive part 1 includes motor 11 drive part 1 and part 2 of drawing water
With the upper outlet body 12 being sleeved on outside motor 11, part 2 of drawing water is including suction pump 21 and is sleeved on outside suction pump 21
Lower cover 22, is connected between motor 11 and suction pump 21 by binodal axle 4, and motor drives suction pump 21 to work, wherein, it is double
Nodal axisn 4 includes upper shaft coupling 41 and lower shaft coupling 42, and upper shaft coupling 41 is the output shaft of motor, and the lower end of upper shaft coupling 41 sequentially passes through bearing
It is connected after seat, motor seal lid and linkage section 5 by shaft coupling with the upper end of lower shaft coupling 42, the lower end of lower shaft coupling 42 is sequentially passed through
Main shaft after water outlet linkage section 5 and bearing seal cover with suction pump 21 is connected.Pass through list between traditional motor and suction pump 21
Axle is connected, and the length of single shaft is big, is easily bent, and the maintenance in later stage and renewal cost are high, after the present invention is using binodal axle 4, axle
Contraction in length, can greatly enhance the connecting shaft intensity between motor and suction pump 21, and the service life of binodal axle 4 is longer than single shaft,
Therefore the service life of deep water pump is also longer.When in use, water pipe is loaded onto on delivery port 31, leakproof water pump is placed under water,
After energization, motor 11 drives suction pump 21 to rotate, and the bottom of lower cover 22 is equipped with screen pack, and water is pumped into by suction pump 21
In water flowing chamber 123, and discharged by delivery port 31.
The bottom of inner cylinder 122 is connected with bearing block, motor seal lid and linkage section 5 in turn, and upper shaft coupling 41 is multi-diameter shaft, on
The bottom pyrocondensation of shaft coupling 41 has the first steel disk 6, and the first steel disk 6 is fitted in the top of bearing block, and the first steel disk 6 and bearing block it
Between pad have the first graphite plate 7, the lower shaft coupling 42 is also multi-diameter shaft, and the top pyrocondensation of lower shaft coupling 42 has the second steel disk 8, second
Steel disk 8 is fitted in the top of inwall 53, and pad has the second graphite plate 9, lower shaft coupling 42 between the second steel disk 8 and the top of inwall 53
Lower end sequentially pass through and be connected after water outlet linkage section 5 and bearing seal cover with the main shaft of water pump, upper outlet body 12 and lower cover 22 it
Between be tightly connected.Graphite plate is by oil lubrication, and graphite plate can alleviate axial pressure, and protection thrust bearing preserves from, energy
Enough extend the service life of thrust bearing, reduce maintenance cost.
Linkage section 5 include chassis 51 and be connected to the upper end of chassis 51 take over a business 52, chassis 51 and between taking over a business 52 by interior
Wall 53 is connected, and the upper end at the edge of chassis 51 is additionally provided with outer wall 54, is formed and is set on cavity, chassis 51 between inwall 53 and outer wall 54
Multiple limbers 55 for surrounding the rounded array in 52 centers are equipped with, multiple limbers 55 are connected with cavity, form water and lead to
Rib 56 is formed between road, adjacent limbers 55.One or more spillway holes 57 are also provided with chassis 51, if there is water to overflow into
In the cavity that connection end and bearing block are formed, water can be flowed away by spillway hole 57, and press water will not be formed in cavity, it is to avoid
Water causes short circuit into motor.
Wherein, upper shaft coupling 41 is multi-diameter shaft, and the bottom of upper shaft coupling 41 passes through bearing seat supports.
Wherein, it is connected between upper shaft coupling 41 and bearing block by bearing.
Wherein, bearing is thrust bearing.
Wherein, motor seal lid is additionally provided with below bearing block, upper shaft coupling 41 is passed through after the centre bore of motor seal lid
It is connected with shaft coupling, mechanical seal between upper shaft coupling 41 and motor seal lid.
Wherein, the outer ring for taking over a business 52 is additionally provided with multiple mounting holes for surrounding 52 central circular arrays, multiple installations
Hole is arranged in the outer ring of limbers 55.
Wherein, according to actual needs, any of optional oval, circular, square and triangle in limbers 55.
Wherein, the center on chassis 51 is additionally provided with shoulder hole 58.
Embodiments of the invention are explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Example, in the knowledge that those of ordinary skill in the art possess, can also do on the premise of present inventive concept is not departed from
Go out various change.
Claims (5)
1. sewage pump, it is characterised in that by drive part（1）With part of drawing water（2）Composition, the drive part（1）Including driving
Dynamic motor（11）Be sleeved on motor（11）Outside upper outlet body（12）, the upper outlet body（12）Including outer barrel（121）With
Inner cylinder（122）, outer barrel（121）And inner cylinder（122）Between formed water flowing chamber（123）, upper outlet body（12）Upper end pass through end cap（3）
Sealing, lower end and lower cover（22）Inside be connected, the end cap（3）On be provided with delivery port（31）And cable port（32）, go out
The mouth of a river（31）With water flowing chamber（123）It is connected, cable port（32）With inner cylinder（122）The cavity being internally formed is connected, inner cylinder
（122）The cavity being internally formed and water flowing chamber（123）It is isolated, part of drawing water（2）Including suction pump（21）Drawn water with being sleeved on
Pump（21）Outside lower cover（22）, the motor（11）With suction pump（21）Between pass through binodal axle（4）It is connected, binodal
Axle（4）Including upper shaft coupling（41）With lower shaft coupling（42）, upper shaft coupling（41）Upper end be connected with the output shaft of motor, the other end passes through
Shaft coupling and lower shaft coupling（42）Upper end be connected；
The upper shaft coupling（41）Lower end sequentially pass through bearing block, motor seal lid and linkage section（5）Afterwards by shaft coupling with
Shaft coupling（42）Upper end be connected, the lower shaft coupling（42）Lower end sequentially pass through water outlet linkage section（5）With after bearing seal cover with
Suction pump（21）Main shaft be connected, in the delivery port（31）On load onto water pipe, leakproof water pump is placed under water, after energization, institute
State motor（11）Drive suction pump（21）Rotate, the lower cover（22）Bottom be equipped with screen pack, the suction pump
（21）Water is pumped into water flowing chamber（123）It is interior, and pass through delivery port（31）Discharge；
The inner cylinder（122）Bottom be connected with bearing block, motor seal lid and linkage section in turn（5）, the upper shaft coupling（41）
For multi-diameter shaft, upper shaft coupling（41）Bottom pyrocondensation have the first steel disk（6）, the first steel disk（6）It is fitted in the top of bearing block, and
One steel disk（6）Pad has the first graphite plate between bearing block（7）, the lower shaft coupling（42）Also it is multi-diameter shaft, lower shaft coupling（42）
Top pyrocondensation have the second steel disk（8）, second steel disk（8）It is fitted in inwall（53）Top, the second steel disk（8）With inwall
（53）Top between pad have the second graphite plate（9）, the lower shaft coupling（42）Lower end sequentially pass through water outlet linkage section（5）With
It is connected after bearing seal cover with the main shaft of water pump, the upper outlet body（12）With lower cover（22）Between be tightly connected；
The linkage section（5）Including chassis（51）Be connected to chassis（51）Upper end is taken over a business（52）, the chassis（51）With top
Disk（52）Between pass through inwall（53）It is connected, chassis（51）The upper end at edge is additionally provided with outer wall（54）；Chassis（51）It is upper to set
Have it is multiple around take over a business（52）The limbers of the rounded array in center（55）, multiple limbers（55）With inwall（53）And outer wall
（54）Between the cavity that is formed be connected, adjacent limbers（55）Between form rib（56）, the chassis（51）On also open
There are one or more spillway holes（57）；It is described take over a business（52）Outer ring be additionally provided with it is multiple around take over a business（52）Central circular array
Mounting hole, multiple mounting holes are arranged in limbers（55）Outer ring.
2. sewage pump according to claim 1, it is characterised in that the upper shaft coupling（41）For multi-diameter shaft, upper shaft coupling（41）
Bottom pass through bearing seat supports.
3. sewage pump according to claim 2, it is characterised in that the upper shaft coupling（41）Pass through bearing between bearing block
It is connected.
4. sewage pump according to claim 3, it is characterised in that the bearing is thrust bearing.
5. sewage pump according to claim 4, it is characterised in that be additionally provided with motor seal below the bearing block
Lid, upper shaft coupling（41）It is connected after through the centre bore of motor seal lid with shaft coupling, upper shaft coupling（41）Between motor seal lid
Mechanical seal, the limbers（55）For ellipse, or it is circle, or to be square, or be triangle, the chassis（51）In
The heart is additionally provided with shoulder hole（58）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544427.8A CN104373360B (en) | 2014-10-15 | 2014-10-15 | Sewage pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410544427.8A CN104373360B (en) | 2014-10-15 | 2014-10-15 | Sewage pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373360A CN104373360A (en) | 2015-02-25 |
| CN104373360B true CN104373360B (en) | 2017-07-18 |
Family
ID=52552465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410544427.8A Active CN104373360B (en) | 2014-10-15 | 2014-10-15 | Sewage pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373360B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2246722Y (en) * | 1995-04-22 | 1997-02-05 | 龙云乾 | Internal cooling high-lift downdraft pump |
| US6599091B2 (en) * | 2001-05-29 | 2003-07-29 | James Nagle | Modular submersible pump |
| CN2675916Y (en) * | 2004-01-07 | 2005-02-02 | 山西天河泵业有限公司 | Lower pump upper water outlet engineering submersible electric pump |
| CN201723460U (en) * | 2010-06-08 | 2011-01-26 | 江苏大学 | Variable frequency high speed wet-type submersible pump |
| CN202441611U (en) * | 2012-01-11 | 2012-09-19 | 江门市瑞荣泵业有限公司 | Shielded pipe booster pump |
| CN204200593U (en) * | 2014-10-15 | 2015-03-11 | 石小强 | A kind of sewage pump |
-
2014
- 2014-10-15 CN CN201410544427.8A patent/CN104373360B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373360A (en) | 2015-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Shi Xiaoqiang Inventor after: Ma Haitao Inventor before: Shi Xiaoqiang |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170614 Address after: 221311, Pizhou Town, Jiangsu City, Xuzhou Province Industrial Park Applicant after: XUZHOU NORTHERN PUMP CO., LTD. Address before: 043500 Shanxi city of Linfen province Yicheng County Shanxi Yulu production company building 100 meters West Applicant before: Shi Xiaoqiang |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |