CN104564710A - Movable fixed support structure of pump head at lowest end of super-long axis submerged pump - Google Patents
Movable fixed support structure of pump head at lowest end of super-long axis submerged pump Download PDFInfo
- Publication number
- CN104564710A CN104564710A CN201410846169.9A CN201410846169A CN104564710A CN 104564710 A CN104564710 A CN 104564710A CN 201410846169 A CN201410846169 A CN 201410846169A CN 104564710 A CN104564710 A CN 104564710A
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- China
- Prior art keywords
- pump
- dunnage
- under water
- water pumps
- super
- 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
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
- F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers
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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
- F04D29/60—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
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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
- F04D29/66—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
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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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/31—Retaining bolts or nuts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a movable fixed support structure of a pump head at the lowest end of a super-long axis submerged pump. The support structure is characterized in that a pump inlet pipe 4 of the super-long axis submerged pump 1 is fixedly arranged on a pump guide vane body 2, wherein a support plate 5 is fixedly arranged on a pump inlet pipe 4 through a bolt 7; a support pedestal 8 is matched with the support plate 5 through a matching surface 6; a flow guide groove 10 is arranged between the support plate 5 and a support pedestal 8; the support plate 5 is provided with a support plate guide conical surface 11. The structure has the advantages that the support plate 5 can freely slide into the support pedestal 8 through a support plate guide conical surface 11 and a pedestal guide conical surface 9, movable matching is performed through the matching surface 6, and a radial fixation effect is achieved, so that the pump head at the lowest end of the long axis submerged pump is fixed, the deformation of the pump shaft is eliminated, the operation precision of the pump is guaranteed, the vibration of the pump is relieved, and the service life of the pump is prolonged, and the structure is simple and reliable and has great significance to research safety, reliability and long life of the super-long axis submerged pump.
Description
Technical field
What the present invention relates to is a kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom, belongs to Under Water Pumps technical field.
Background technique
Under Water Pumps is immersed in the middle of transported medium by the flow passage components such as impeller, the pump housing, and the driving mechanisms such as motor are positioned at the vertical pump of a kind of special shape of top, basis, in the pump series products that China uses, occupies sizable ratio.Have vertical installation compared with horizontal pump, floor space is few, can reduce pump house area, and reduce capital construction cost, the impeller of Under Water Pumps is immersed in the medium of conveying, need not pump priming during startup, can carry out the advantages such as centralized automatic control; There is the advantage of Electrical Safety compared with submersible pump; Compared with self-priming pump, can use the working condition that the degree of depth under liquid is greater than 8 meters, therefore Under Water Pumps is widely used in the industries such as metallurgy, petrochemical industry, power plant and environmental protection.
Super Long-axles Under Water Pumps installation method is arranged on base layer by pump base plate, pump head is suspended on pump base plate by connecting tube, pump head is generally greater than 8 meters to the distance of pump base plate and is less than 28 meters, Here it is refers to the degree of depth under the liquid of Super Long-axles Under Water Pumps, because pump head is suspended on pump base plate, pump head is made to be in overlength cantilever state like this, pump head is built with an impeller or multiple impeller simultaneously, vane rotary produces certain centrifugal force, centrifugal force can cause the pump head end of cantilever to produce larger swing, pump shaft is caused to be out of shape, distortion can make the guide bearing of pump supports main shaft produce wearing and tearing, wearing and tearing make the gap between guide bearing and axle sleeve strengthen, thus cause the vibration of pump, substantially reduce the working life of pump, this is long shaft submerged pump life-span of current common form short main cause.
The simple and effective Super Long-axles Under Water Pumps pump head that prevents produces the method swung, and fixes long shaft submerged pump pump head bottom exactly, makes it under any operating mode, can not produce and radially wobble, thus ensure that the running accuracy of pump, eliminate the distortion of pump shaft, alleviate the vibration of pump, improve the working life of pump.
Summary of the invention
The present invention proposes a kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom, its object be intended to Super Long-axles Under Water Pumps bottom pump head carry out radial direction fix.
Technical solution of the present invention: a kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom, it is characterized in that comprising Super Long-axles Under Water Pumps, pump diffuser, pump inlet pipe, dunnage, fitting surface, support plinth, the base guide conical surface, guiding gutter, the dunnage guiding conical surface, wherein the pump inlet pipe of Super Long-axles Under Water Pumps is bolted on pump diffuser, dunnage is bolted on pump inlet pipe, support plinth is coordinated by fitting surface with dunnage, guiding gutter is provided with between dunnage and support plinth, described dunnage is provided with the dunnage guiding conical surface.
Advantage of the present invention: long shaft submerged pump is inserted in base by dunnage, be actively coupled, fix, do not affect the original mounting type of Under Water Pumps, technical feasibility, structure are simple, cost is low, environment friendly and pollution-free.
Accompanying drawing explanation
Accompanying drawing 1 is the longitudinal section tectonic maps of a kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom.
Accompanying drawing 2 is enlarged views of a-quadrant.
Accompanying drawing 3 is C-C place sectional drawings.
In figure 1 is long shaft submerged pump, 2 are pump diffusers, 3 are bolts, 4 are pump inlet pipes, 5 are dunnages, 6 are fitting surfaces, 7 are bolts, 8 are support plinths, 9 are base guide conical surfaces, 10 are guiding gutters, 11 are dunnage guiding conical surfaces, 12 are nuts, 13 are stone bolt, 14 are pond base plinth, 15 is liquid pools.
Embodiment
Contrast accompanying drawing, a kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom, its structure comprises long shaft submerged pump 1, pump diffuser 2, pump inlet pipe 4, dunnage 5, fitting surface 6, support plinth 8, the base guide conical surface 9, guiding gutter 10, the dunnage guiding conical surface 11, wherein the pump inlet pipe 4 of long shaft submerged pump 1 is fixed on pump diffuser 2 by bolt 3, dunnage 5 is fixed on pump inlet pipe 4 by bolt 7, support plinth 8 is coordinated by fitting surface 6 with dunnage 5, guiding gutter 10 is provided with between dunnage 5 and support plinth 8, described dunnage 5 is provided with the dunnage guiding conical surface 11.
Described support plinth 8 is provided with the base guide conical surface 9.
The pump inlet pipe 4 of described long shaft submerged pump 1 is fixed on pump diffuser 2 by bolt 3.
Described dunnage 5 is fixed on pump inlet pipe 4 by bolt 7.
Described base 8 is fixed on by stone bolt 13, nut 12 on the pond base plinth 14 on liquid pool 15.
Embodiment
Super Long-axles Under Water Pumps is the movable fixed supported installation method of pump head bottom, comprises following process step:
1) in advance long shaft submerged pump 1 is assembled itself,
2) again dunnage 5 is fixed on pump inlet pipe 4 by bolt 7,
3) long shaft submerged pump 1 assembled is lifted in dry liquid pool 15, support plinth 8 is enclosed within dunnage 5,
4) according to the position that this determines, support plinth 8 is fixed on pond base plinth 14 by stone bolt 13, nut 12, so far completes the installation of expansion bearing base 8.
Described support plinth 8 only needs once mounting, no longer needs to reinstall later.At this moment, can be filled in liquid pool 15 by the medium of required conveying, under support plinth 8 can be immersed in liquid, long shaft submerged pump 1 just can normally work.When long shaft submerged pump 1 needs repairing, to sling from above long shaft submerged pump 1, dunnage 5 and support plinth 8 are thrown off automatically, when needs are installed, hang in long shaft submerged pump 1, the leading role of led by the dunnage conical surface 11 and the base guide conical surface 9, dunnage 5 is inserted in support plinth 8 automatically, and coordinated by fitting surface 6, complete long shaft submerged pump 1 bottom fixation.
Said method is simple, convenient, and reliable, and cost is low, the cost-saving and energy, and environment friendly and pollution-free.
Claims (7)
1. Super Long-axles Under Water Pumps pump head activity stationary support bottom, it is characterized in that comprising Super Long-axles Under Water Pumps, pump diffuser, pump inlet pipe, dunnage, fitting surface, support plinth, the base guide conical surface, guiding gutter, the dunnage guiding conical surface, wherein the pump inlet pipe of Super Long-axles Under Water Pumps is bolted on pump diffuser, dunnage is bolted on pump inlet pipe, support plinth is coordinated by fitting surface with dunnage, be provided with guiding gutter between dunnage and support plinth, described dunnage is provided with the dunnage guiding conical surface.
2. a kind of Super Long-axles Under Water Pumps according to claim 1 pump head activity stationary support bottom, is characterized in that described support plinth is provided with the base guide conical surface.
3. a kind of Super Long-axles Under Water Pumps according to claim 1 pump head activity stationary support bottom, is characterized in that the pump inlet pipe of described Super Long-axles Under Water Pumps is bolted on pump diffuser.
4. a kind of Super Long-axles Under Water Pumps according to claim 1 pump head activity stationary support bottom, is characterized in that described dunnage is bolted on pump inlet pipe.
5. a kind of Super Long-axles Under Water Pumps according to claim 1 pump head activity stationary support bottom, is characterized in that on the pond base plinth that described base is fixed on by stone bolt, nut on liquid pool.
6. the Super Long-axles Under Water Pumps movable fixed supported installation method of pump head bottom, its feature comprises following process step:
1) in advance long shaft submerged pump itself is assembled,
2) dunnage is bolted on pump inlet pipe again,
3) long shaft submerged pump assembled is lifted in dry liquid pool, by support plinth cover on the supporting plate,
4) according to the position that this determines, support plinth is fixed on the base plinth of pond by stone bolt, nut, so far completes the installation of expansion bearing base.
7. the Super Long-axles Under Water Pumps according to claim 6 movable fixed supported installation method of pump head bottom, described in its feature, support plinth only needs once mounting, no longer need to reinstall later, now, can the medium of required conveying be filled in liquid pool, under support plinth can be immersed in liquid, long shaft submerged pump just can normally work; When long shaft submerged pump needs repairing, to sling from above long shaft submerged pump, dunnage and support plinth are thrown off automatically, when needs are installed, hang in long shaft submerged pump, the leading role of led by the dunnage conical surface and the base guide conical surface, dunnage is inserted in support plinth automatically, and coordinated by fitting surface, complete long shaft submerged pump bottom and fix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846169.9A CN104564710B (en) | 2014-12-31 | 2014-12-31 | A kind of Super Long-axles submerged pump bottom pump head activity stationary support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846169.9A CN104564710B (en) | 2014-12-31 | 2014-12-31 | A kind of Super Long-axles submerged pump bottom pump head activity stationary support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564710A true CN104564710A (en) | 2015-04-29 |
| CN104564710B CN104564710B (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846169.9A Active CN104564710B (en) | 2014-12-31 | 2014-12-31 | A kind of Super Long-axles submerged pump bottom pump head activity stationary support |
Country Status (1)
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050487Y (en) * | 2007-06-08 | 2008-04-23 | 童国明 | Non-blocking, large flow and high lift submersible mud and sand pump |
| CN201292991Y (en) * | 2008-11-21 | 2009-08-19 | 江苏国泉泵业制造有限公司 | Submersible pump with novel hoist device |
| CN201531459U (en) * | 2009-10-23 | 2010-07-21 | 长沙天鹅工业泵股份有限公司 | Elliptical stream guidance pier of large-scale vertical pump |
| KR20110083201A (en) * | 2010-01-14 | 2011-07-20 | 일성기계공업 (주) | Floor fixed type underwater pump for drainage |
| CN203081782U (en) * | 2013-01-30 | 2013-07-24 | 宣达实业集团浙江特种泵阀有限公司 | Long-shaft ultra-temperature concentrated sulfuric acid submerged pump |
| CN204553252U (en) * | 2014-12-31 | 2015-08-12 | 江苏长凯机械设备有限公司 | A kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom |
-
2014
- 2014-12-31 CN CN201410846169.9A patent/CN104564710B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050487Y (en) * | 2007-06-08 | 2008-04-23 | 童国明 | Non-blocking, large flow and high lift submersible mud and sand pump |
| CN201292991Y (en) * | 2008-11-21 | 2009-08-19 | 江苏国泉泵业制造有限公司 | Submersible pump with novel hoist device |
| CN201531459U (en) * | 2009-10-23 | 2010-07-21 | 长沙天鹅工业泵股份有限公司 | Elliptical stream guidance pier of large-scale vertical pump |
| KR20110083201A (en) * | 2010-01-14 | 2011-07-20 | 일성기계공업 (주) | Floor fixed type underwater pump for drainage |
| CN203081782U (en) * | 2013-01-30 | 2013-07-24 | 宣达实业集团浙江特种泵阀有限公司 | Long-shaft ultra-temperature concentrated sulfuric acid submerged pump |
| CN204553252U (en) * | 2014-12-31 | 2015-08-12 | 江苏长凯机械设备有限公司 | A kind of Super Long-axles Under Water Pumps pump head activity stationary support bottom |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564710B (en) | 2017-06-16 |
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