CN105650446B - Balancing drum throttling is sealedly quick to start vertical multi-stage centrifugal oil pump - Google Patents
Balancing drum throttling is sealedly quick to start vertical multi-stage centrifugal oil pump Download PDFInfo
- Publication number
- CN105650446B CN105650446B CN201610000323.XA CN201610000323A CN105650446B CN 105650446 B CN105650446 B CN 105650446B CN 201610000323 A CN201610000323 A CN 201610000323A CN 105650446 B CN105650446 B CN 105650446B
- Authority
- CN
- China
- Prior art keywords
- pump
- balancing drum
- main shaft
- impeller
- fuel tank
- 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.)
- Active
Links
- 239000002828 fuel tank Substances 0.000 claims abstract description 16
- 230000008878 coupling Effects 0.000 claims abstract description 3
- 238000010168 coupling process Methods 0.000 claims abstract description 3
- 238000005859 coupling reaction Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 claims description 9
- 238000005303 weighing Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N13/00—Lubricating-pumps
- F16N13/20—Rotary pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N2210/00—Applications
- F16N2210/02—Turbines
Abstract
Sealedly quickly start vertical multi-stage centrifugal oil pump the present invention relates to fluid machinery, more particularly to a kind of throttling of balancing drum, pump seat is connected to above fuel tank, and the pump housing, link stretch into fuel tank internal；The pump housing is coupled from bottom to up by leading portion, stage casing and back segment to be formed, and back segment opens up oil-out connection outlet line, outlet line arrival end connection check-valves；Main shaft is arranged on link and leading portion, is provided with main shaft on the main shaft above multi-stage impeller and stator, impeller and is connected with balancing drum；Main shaft upper end passes through shaft coupling and motor connection.Balancing drum is set in back segment above pump invention impeller, by the air insulated of top link while balancing axial thrust, the problem of solving oil pump quick difficulty in starting.Pump seat height reduction, reduces the vibration of motor, and pump integral rigidity is greatly enhanced, and the reliability of pump is greatly improved.Bearing is arranged on fuel tank internal, the requirement of inclusion seal；Take up an area less, compact conformation is convenient to mount and dismount.
Description
Technical field
The present invention relates to field of fluid machinery, more particularly to a kind of conveying lubricating oil Vertical Oil that can quickly start
Pump.
Background technology
The big machineries such as steam turbine, oxygenerator, compressor, multistage axial flow blower fan equip and Aided Machine in operation,
Lubricating oil and hydraulic oil must be supplied by concentration petrol station.Using centrifugal pump of horizontal axis existing oil feed pump more, the centrifugal pump of horizontal arrangement,
Often there is axle envelope oil leak, the problems such as floor space is big.
By technological process requirement, oil pump must be equipped with by the way of the using and the reserved, and when main oil pump works, stand-by pump is not opened
Open, when main oil pump breaks down, stand-by pump is opened to maintain the normal circulation of lubricating oil.In addition, big for applicable fuel delivery
Working condition is, it is necessary to which stand-by pump and main oil pump fuel feeding, i.e. two parallels connection of pumps simultaneously are used.So in the outlet line exit of oil pump
Provided with check-valves, to prevent an operation of oil pump, lubricating oil and hydraulic oil flow back from idle oil pump.Vertical oil pump structure
There is the problem of stand-by pump opens difficult, reason is that oil level is to having a big section air in stand-by pump between check-valves, and oil feed line
In the presence of certain oil pressure, when starting stand-by pump, check-valves is opened and closed repeatedly, the multiple compression-expansion of air, and drained air rear pump or output pump is
Can normally it run, oil pressure and the flow supply that traditional vertical oil pump needs 5-10 minutes to can be only achieved requirement, this is to operating
Mechanized equipment causes catastrophic effect.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of reliability it is high, can balancing drum throttling it is sealedly fast
Speed starts vertical multi-stage centrifugal oil pump.
For up to above-mentioned purpose, the technical solution adopted by the present invention is：A kind of balancing drum throttling sealedly quickly starts vertical
Multistage centrifugal oil pump, its difference is：Include the motor connected from top to bottom, pump seat, link, the pump housing；Pump seat connects
It is connected on above fuel tank, the pump housing, link stretch into fuel tank internal；The pump housing is coupled from bottom to up by leading portion, stage casing and back segment to be formed, preceding
Section bottom forms oil inlet, and back segment opens up oil-out connection outlet line, outlet line arrival end connection check-valves；Main shaft passes through
Upper bearing (metal) and lower bearing are separately mounted on link and leading portion, multi-stage impeller and stator are provided with main shaft, during impeller is in
Balancing drum is connected with main shaft above intersegmental part, impeller, gap is left between balancing drum and back segment；Balancing drum connects top
The air insulated of frame is connect, outlet line is provided with check-valves；Main shaft upper end passes through shaft coupling and motor connection.
It is preferred that described be connected with lubricating oil pipe in outlet line, lubricating oil pipe is communicated to upper bearing (metal).
It is preferred that described stretch out above fuel tank in the outlet line port of export, and it is connected by flange with pump seat.
The advantage of the invention is that：
（1）Balancing drum is set in the back segment above impeller, by the air of top link while balancing axial thrust
Isolate, and the check-valves of export pipeline is arranged near oil inlet so that impeller outlet to the sky for there was only minimum section between check-valves
Gas, the problem of solving oil pump quick difficulty in starting.
（2）Balancing drum and upper bearing (metal) are arranged on fuel tank internal, and pump seat height reduction reduces the vibration of motor, added out
Oil pipe line is connected by flange with pump seat so that pump integral rigidity is greatly enhanced, and the reliability of pump is greatly improved.
（3）Bearing is arranged on fuel tank internal, the requirement of inclusion seal；
（4）Pump seat flange is arranged on above the fuel tank for concentrating petrol station, takes up an area few, compact conformation, during dismounting, motor and the pump housing
It can separate and dismantle, be convenient to mount and dismount.
（5）Oil pump integral installation is in fuel tank internal, and the pump housing, impeller are dipped in oil, it is not necessary to additional lubricating oil, without axle envelope and
Bottom valve, simple and compact for structure, service life is long.
Brief description of the drawings
Fig. 1 is structure chart of the embodiment of the present invention；
Description of symbols in figure：
1-pump seat, 2-upper bearing (metal), 3-main shaft, 4-bearing bracket stand, 5-balancing drum, 6-drum set, 7-back segment, 8-long spiral shell
Bolt, 9-stage casing, 10-impeller, 11-stator, 12-leading portion, 13-lower bearing, 14-oil outlet end, 15-check-valves, 16-electricity
Machine.
Embodiment
To more fully understand the present invention, technical scheme is done further with specific embodiment below in conjunction with the accompanying drawings
Explanation, referring to Fig. 1.
Balancing drum according to embodiments of the present invention throttling is sealedly quick to start vertical multi-stage centrifugal oil pump, it is outside by the pump housing, even
Frame, pump seat, motor is connect to be connected in sequence from bottom to up, it is internal by main shaft, the multi-stage impeller being assemblied on main shaft and balancing drum,
It is assemblied in the stator composition on the pump housing.Oil pump is placed for integral vertical type, and pump seat is connected to above fuel tank by flange, is connected on pump seat
Motor is connect, the pump housing, bearing bracket stand stretch into fuel tank internal.Specific attachment structure is as follows：
The pump housing is formed with stay bolt connection from bottom to up by leading portion, stage casing and back segment, and the bottom of leading portion is in lower upper small greatly
Conical opening formation oil inlet, back segment opens up oil-out connection outlet line, outlet line arrival end connection check-valves.Main shaft passes through
Upper bearing (metal) and lower bearing are separately mounted on link and leading portion, and lower bearing is from the back-to-back biserial circle for bearing axial force
Bore ball bearing.Main shaft is coordinated by keyway installs multi-stage impeller, and be provided with sealing ring outside impeller hub is let out with reducing in fluid
Dew.Every grade of impeller coordinates one-level stator, and stator is by rotation stop screw connection in the pump housing, and the series of impeller is according to lift demand
To set, balancing drum is connected with the main shaft above impeller, gap is left between balancing drum and back segment, throttled by damping,
In balancing drum upper and lower surface formation pressure differential, the axial force produced by impeller front and rear cover plate pressure differential is balanced.Balancing drum is balanced
Most of axial force, so upper bearing (metal) and lower bearing are almost not subject to axial force, substantially increases the service life of pump.
Meanwhile, top link and pump body can be well isolated from by balancing drum, make impeller outlet to only minimum section between check-valves
Air, the problem of solving oil pump quick difficulty in starting.Simultaneously as balancing drum and upper bearing (metal) are arranged on fuel tank internal, change
The structure of conventional balanced drum and upper bearing (metal) at pump seat is become so that pump seat is highly substantially reduced, and reduces shaking for motor
It is dynamic, add outlet line and be connected by flange with pump seat so that pump integral rigidity is greatly enhanced, the reliability of pump is greatly improved.
Above disclosed is only presently preferred embodiments of the present invention, can not limit the right of the present invention with this certainly
Scope, therefore the equivalence changes made according to scope of the present invention patent, still belong to protection scope of the present invention.
Claims (3)
1. a kind of balancing drum throttling is sealedly quick to start vertical multi-stage centrifugal oil pump, it is characterised in that：Include from top to bottom
Motor, pump seat, link, the pump housing of connection；Pump seat is connected to above fuel tank, and the pump housing, link stretch into fuel tank internal；The pump housing by
Leading portion, stage casing and back segment couple from bottom to up to be formed, and leading portion bottom forms oil inlet, and back segment opens up oil-out connection flowline
Road, outlet line arrival end connection check-valves；Main shaft is separately mounted on link and leading portion by upper bearing (metal) and lower bearing, main
Multi-stage impeller and stator are installed, impeller is in inside stage casing, and balancing drum is connected with the main shaft above impeller, is put down on axle
Gap is left between weighing apparatus drum and back segment；The air insulated of top link, outlet line are provided with check-valves by balancing drum；On main shaft
End passes through shaft coupling and motor connection.
2. balancing drum throttling according to claim 1 is sealedly quick to start vertical multi-stage centrifugal oil pump, it is characterised in that：
Lubricating oil pipe is connected with the outlet line, lubricating oil pipe is communicated to upper bearing (metal).
3. balancing drum throttling according to claim 1 is sealedly quick to start vertical multi-stage centrifugal oil pump, it is characterised in that：
The outlet line port of export is stretched out above fuel tank, and is connected by flange with pump seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000323.XA CN105650446B8 (en) | 2016-01-03 | 2016-01-03 | The quick start vertical multi-stage centrifugal oil pump of balancing drum throttling sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000323.XA CN105650446B8 (en) | 2016-01-03 | 2016-01-03 | The quick start vertical multi-stage centrifugal oil pump of balancing drum throttling sealing |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| CN105650446A CN105650446A (en) | 2016-06-08 |
| CN105650446B true CN105650446B (en) | 2017-10-27 |
| CN105650446B8 CN105650446B8 (en) | 2018-12-07 |
Family
ID=56491293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610000323.XA Active CN105650446B8 (en) | 2016-01-03 | 2016-01-03 | The quick start vertical multi-stage centrifugal oil pump of balancing drum throttling sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650446B8 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434451Y (en) * | 2000-07-18 | 2001-06-13 | 上海凯泉泵业（集团）有限公司 | Ease-to-repair vertical multi-stage centrifugal pump |
| CN2654906Y (en) * | 2003-06-30 | 2004-11-10 | 上海申宝泵业有限公司 | Vertical multi-stage centrifugal pump |
| CN2844530Y (en) * | 2005-11-07 | 2006-12-06 | 上海东方泵业(集团)有限公司 | Axial-forced balancer of sectional multi-stage pump |
| JP3964664B2 (en) * | 2001-12-14 | 2007-08-22 | 株式会社川本製作所 | Vertical multistage centrifugal pump |
| CN101225833A (en) * | 2008-01-30 | 2008-07-23 | 长沙天鹅工业泵股份有限公司 | Vertical barrel pocket type extraction pump |
-
2016
- 2016-01-03 CN CN201610000323.XA patent/CN105650446B8/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2434451Y (en) * | 2000-07-18 | 2001-06-13 | 上海凯泉泵业（集团）有限公司 | Ease-to-repair vertical multi-stage centrifugal pump |
| JP3964664B2 (en) * | 2001-12-14 | 2007-08-22 | 株式会社川本製作所 | Vertical multistage centrifugal pump |
| CN2654906Y (en) * | 2003-06-30 | 2004-11-10 | 上海申宝泵业有限公司 | Vertical multi-stage centrifugal pump |
| CN2844530Y (en) * | 2005-11-07 | 2006-12-06 | 上海东方泵业(集团)有限公司 | Axial-forced balancer of sectional multi-stage pump |
| CN101225833A (en) * | 2008-01-30 | 2008-07-23 | 长沙天鹅工业泵股份有限公司 | Vertical barrel pocket type extraction pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105650446B8 (en) | 2018-12-07 |
| CN105650446A (en) | 2016-06-08 |
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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: Liu Xuemei Inventor after: Zhang Hailiang Inventor after: Luo Wei Inventor before: Zhan Baishao Inventor before: Yu Weiping Inventor before: Ni Junhui Inventor before: Yu Mengqi Inventor before: Pan Fan |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170825 Address after: 330013 Jiangxi city of Nanchang Province Economic and Technological Development Zone East Shuanggang Street No. 808 Applicant after: East-China Communication Univ Address before: No. 1139 Taizhou City, Zhejiang province Jiaojiang City Road 318000 Applicant before: Zhan Baishao Applicant before: Zhejiang Water Pump General Factory Co., Ltd. Yu Weiping Applicant before: Yu Weiping |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Yu Weiping Inventor before: Liu Xuemei Inventor before: Zhang Hailiang Inventor before: Luo Wei |
|
| CB03 | Change of inventor or designer information | ||
| CP03 | Change of name, title or address |
Address after: 317000 649-8 Dongfang Road, Linhai City, Zhejiang Patentee after: Zhejiang Pump General Works Co., Ltd. Address before: 330013 808 Nanchang East Street, Jiangxi economic and Technological Development Zone Patentee before: East-China Communication Univ |
|
| CP03 | Change of name, title or address | ||
| CI03 | Correction of invention patent | ||
| CI03 | Correction of invention patent |
Correction item: Inventor|Patentee|Address Correct: Yu Weiping|Zhejiang Pump General Works Co., Ltd.|317000 649-8 Dongfang Road, Linhai City, Zhejiang False: Liu Xuemei, Zhang Hailiang, Luowei|East-China Communication Univ|330013 808 Nanchang East Street, Jiangxi economic and Technological Development Zone Number: 43-02 Page: The title page Volume: 33 False: Liu Xuemei, Zhang Hailiang, Luowei|East-China Communication Univ|330013 808 Nanchang East Street, Jiangxi economic and Technological Development Zone Number: 43-02 Volume: 33 |