CN106762673A - A kind of single stage single suction cantilever type centrifugal pump - Google Patents
A kind of single stage single suction cantilever type centrifugal pump Download PDFInfo
- Publication number
- CN106762673A CN106762673A CN201611245673.9A CN201611245673A CN106762673A CN 106762673 A CN106762673 A CN 106762673A CN 201611245673 A CN201611245673 A CN 201611245673A CN 106762673 A CN106762673 A CN 106762673A
- Authority
- CN
- China
- Prior art keywords
- pump
- bearing
- fixed
- bearing body
- pump housing
- 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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
- F04D29/02—Selection of particular materials
- F04D29/026—Selection of particular materials 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
- F04D29/046—Bearings
- F04D29/049—Roller bearings
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
Abstract
The invention discloses a kind of single stage single suction cantilever type centrifugal pump, including the pump housing, impeller, bearing body, pump shaft, mechanical seal, the pump housing includes the outer pump housing, inner pump, interior pump cover, outer pump cover, the bearing body includes fore bearing support, rear bearing rack, journal bearing body, thrust bearing body, the pump housing of the present invention is replaceable high-abrasive material, suitable for suction pressure high, high-temperature wearable operating mode, the pump housing is tangential discharge, has enough intensity to bear pressure higher.Bearing body is cast steel, there is structural strength higher, larger axial force can be born, bearing body is thin oil self-lubricating structure, the heat that can be produced during effectively cooling bearing is operated, bearing service life and security are improved, the present invention is applied to the strong wear working conditions of suction pressure high, high temperature such as petrochemical industry, Ferrous Metallurgy, electric power, Coal Chemical Industry.
Description
Technical field
The present invention relates to pump technical field is centrifuged, specifically, more particularly to a kind of single stage single suction cantilever type centrifugal pump.
Background technology
Centrifugal pump has the diversified forms such as vertical, horizontal, single-stage, multistage, single suction, double suction, self-priming.Centrifugal pump is to utilize leaf
Wheel rotates and makes water that centrifugal motion to occur and carry out work.Water pump is before activation, it is necessary to make to be full of water in pump case and suction hose, then
Start motor, pump shaft impeller and water is done high speed rotary motion, water occurs centrifugal motion, impeller outer edge is thrown toward, through snail
The runner of shape pump case flows into the pressure pipe road of water pump.Single stage single suction cantilever type centrifugal pump is one kind of centrifugal pump, i.e., on pump shaft
Only one of which impeller, only one of which water inlet on impeller eliminates suspension base, and the pump housing is perfluor type or Fluorine-lined type with short support
It is directly anchored on motor flange disk, impeller axle is inserted in motor shaft end to be transmitted so that suspension rod is tensed in tapered joint mode and turned round
Power, the footing of motor is as the mounting seat of pump.With simple structure, dependable performance, small volume is lightweight, anti-cavitation
Performance is good, and power consumption is low, and the features such as easy maintenance, but existing single stage single suction cantilever type centrifugal pump has certain defect,
Used in some high pressures, high temperature, place easy to wear, fragile, security is not high.
The content of the invention
For above-mentioned deficiency of the prior art, the invention discloses a kind of single stage single suction cantilever type centrifugal pump, it is adaptable to
High pressure, high-temperature wearable place, with long lifespan, sealing is excellent, the features such as safe and reliable to operation.
The technical solution adopted for the present invention to solve the technical problems is：A kind of single stage single suction cantilever type centrifugal pump, including
The pump housing, impeller, bearing body, pump shaft, mechanical seal, the pump housing include the outer pump housing, inner pump, interior pump cover, outer pump cover, the outer pump housing
Fixed by stud and nut with outer pump cover, inner pump is fixed with interior pump cover by screw, inner pump passes through screw with outer pump cover
Fixed, suction casing is located at outer pump housing left side, and Spit Section is located at outer pump housing upside, and impeller nut is located at pump shaft left end, and impeller is located at
On pump shaft, impeller nut right side, preceding pressure release bushing is fixed on inner pump inwall by screw, preceding pressure release bushing and impeller clearance
Coordinate, preceding pressure release bushing is cylinder, inside there is centre bore, inwall has screw thread, and section is 7 fonts, and rear pressure release bushing is cylinder,
Inside there is centre bore, there is screw thread in inwall left side, is fixed with rear pump cover by screw, coordinated with impeller clearance, and mechanical seal is located at outer
Pump cover right side, on pump shaft, the bearing body includes fore bearing support, rear bearing rack, journal bearing body, thrust bearing body, preceding
The support of bearing is fixed with outer pump cover by screw bolt and nut, and label is fixed on fore bearing support outer wall by rivet, fore bearing
Waterway is provided with support, dust pan is cylindric, inside there is centre bore, section is C fonts, is fixed on pump shaft, front axle pressure-bearing
Lid is fixed by screws on fore bearing support, and gland pad is located between front axle pressure cap and fore bearing support, front axle pressure cap
Inwall has screw thread, there is movable space between dust pan, and circle is located at fore bearing rack inner wall, journal bearing to journal bearing in vitro
External inner ring is fixed on pump shaft, and fore bearing support is connected with rear bearing rack, and cold water cavity, thrust shaft are provided with rear bearing rack
Hold external circle and be located at rear bearing rack inwall, thrust bearing body inner ring is fixed on pump shaft, rear bearing gland by screw with it is rear
The support of bearing is fixedly connected, and front axle pressure cap inwall has screw thread, and dust pan is fixed on pump shaft, front axle pressure cap and dust pan it
Between have movable space.
The mechanical seal is bellows mechanical seal, and axle sleeve is fixed on pump shaft, and bellows is fixed by screw one end
On axle sleeve, the other end is fixed on gland, and gland is weldingly connected with outer pump cover, and cooling water and cooling oil are respectively equipped with gland
Pipeline.
The pump housing is replaceable high-abrasive material.
The bearing body is designed for self-lubricating, and lubricant is thin oil, and bearing body is cast steel.
A set of deep groove ball bearing is provided with the journal bearing body.
A pair of angular contact ball bearings are provided with the thrust bearing body.
The present invention has advantages below compared with prior art：The pump housing is replaceable high-abrasive material, it is adaptable to height suction pressure
Power, high-temperature wearable operating mode, the pump housing are tangential discharge, have enough intensity to bear pressure higher.Bearing body is cast steel, is had
Structural strength higher, can bear larger axial force.Bearing body is thin oil self-lubricating structure, can effective cooling bearing operating
The heat of middle generation, improves bearing service life and security, and the present invention is applied to petrochemical industry, Ferrous Metallurgy, electric power, coalification
The suction pressure high such as work, the strong wear working condition of high temperature.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is enlarged drawing at A in Fig. 1 of the present invention；
In figure：The outer pump housings of 1-, pressure release bushing before 2-, 3- impeller nuts, 4- cooling oil pipelines, 5- inner pumps, 6- impellers, 7-
Spit Section, 8- suction casings, pump cover in 9-, the outer pump covers of 10-, pressure release bushing after 11-, 12- cooling water pipelines, 13- mechanical seals,
14- labels, 15- fore bearing supports, 16- waterways, 17- front axle pressure caps, 18- journal bearing bodies, 19- pump shafts, bearing after 20-
Support, 21- thrust bearing bodies, bearing gland after 22-, 23- gland pads, 24- dust pans, 25- bellowss, 26- axle sleeves, 27- pressures
Lid.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These accompanying drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant with the present invention.
As illustrated, a kind of single stage single suction cantilever type centrifugal pump, including the pump housing, impeller, bearing body, pump shaft, mechanical seal,
The pump housing includes the outer pump housing, inner pump, interior pump cover, outer pump cover, and the outer pump housing is fixed with outer pump cover by stud and nut, interior pump
Body is fixed with interior pump cover by screw, and inner pump is fixed with outer pump cover by screw, and suction casing is located at outer pump housing left side, Spit Section
Positioned at outer pump housing upside, impeller nut is located at pump shaft left end, and impeller is located on pump shaft, and impeller nut right side, preceding pressure release bushing leads to
Cross screw to be fixed on inner pump inwall, preceding pressure release bushing coordinates with impeller clearance, preceding pressure release bushing is cylinder, Nei You centers
Hole, inwall has screw thread, and section is 7 fonts, and rear pressure release bushing is cylinder, inside there is centre bore, and there is screw thread in inwall left side, by spiral shell
Nail is fixed with rear pump cover, is coordinated with impeller clearance, and mechanical seal is located at outer pump cover right side, and on pump shaft, the bearing body includes preceding
The support of bearing, rear bearing rack, journal bearing body, thrust bearing body, fore bearing support are solid by screw bolt and nut with outer pump cover
Fixed, label is fixed on fore bearing support outer wall by rivet, is provided with waterway in fore bearing support, dust pan be it is cylindric,
Inside there is centre bore, section is C fonts, is fixed on pump shaft, and front axle pressure cap is fixed by screws on fore bearing support, gland
Pad is located between front axle pressure cap and fore bearing support, and front axle pressure cap inwall has screw thread, there is movable sky between dust pan
Between, circle is located at fore bearing rack inner wall to journal bearing in vitro, and the external inner ring of journal bearing is fixed on pump shaft, fore bearing support with
Rear bearing rack is connected, and cold water cavity is provided with rear bearing rack, and thrust bearing body outer ring is located at rear bearing rack inwall, thrust shaft
Hold circle in vivo to be fixed on pump shaft, rear bearing gland is fixedly connected by screw with rear bearing rack, and front axle pressure cap inwall has
Screw thread, dust pan is fixed on pump shaft, there is movable space between front axle pressure cap and dust pan.
The mechanical seal is bellows mechanical seal, and axle sleeve is fixed on pump shaft, and bellows is fixed by screw one end
On axle sleeve, the other end is fixed on gland, and gland is weldingly connected with outer pump cover, and cooling water and cooling oil are respectively equipped with gland
Pipeline.
The pump housing is replaceable high-abrasive material.
The bearing body is designed for self-lubricating, and lubricant is thin oil, and bearing body is cast steel.
A set of deep groove ball bearing is provided with the journal bearing body.
A pair of angular contact ball bearings are provided with the thrust bearing body.
The preferred embodiment for the present invention is explained in detail above in conjunction with accompanying drawing, but the invention is not restricted to above-mentioned implementation
Mode, in the ken that those of ordinary skill in the art possess, can also be on the premise of present inventive concept not be departed from
Make a variety of changes.
Not departing from the spirit and scope of the present invention can make many other changes and remodeling.It should be appreciated that the present invention is not
It is limited to specific implementation method, the scope of the present invention is defined by the following claims.
Claims (6)
1. a kind of single stage single suction cantilever type centrifugal pump, it is characterised in that including the pump housing, impeller, bearing body, pump shaft, mechanical seal,
The pump housing includes the outer pump housing, inner pump, interior pump cover, outer pump cover, and the outer pump housing is fixed with outer pump cover by stud and nut, interior pump
Body is fixed with interior pump cover by screw, and inner pump is fixed with outer pump cover by screw, and suction casing is located at outer pump housing left side, Spit Section
Positioned at outer pump housing upside, impeller nut is located at pump shaft left end, and impeller is located on pump shaft, and impeller nut right side, preceding pressure release bushing leads to
Cross screw to be fixed on inner pump inwall, preceding pressure release bushing coordinates with impeller clearance, preceding pressure release bushing is cylinder, Nei You centers
Hole, inwall has screw thread, and section is 7 fonts, and rear pressure release bushing is cylinder, inside there is centre bore, and there is screw thread in inwall left side, by spiral shell
Nail is fixed with rear pump cover, is coordinated with impeller clearance, and mechanical seal is located at outer pump cover right side, and on pump shaft, the bearing body includes preceding
The support of bearing, rear bearing rack, journal bearing body, thrust bearing body, fore bearing support are solid by screw bolt and nut with outer pump cover
Fixed, label is fixed on fore bearing support outer wall by rivet, is provided with waterway in fore bearing support, dust pan be it is cylindric,
Inside there is centre bore, section is C fonts, is fixed on pump shaft, and front axle pressure cap is fixed by screws on fore bearing support, gland
Pad is located between front axle pressure cap and fore bearing support, and front axle pressure cap inwall has screw thread, there is movable sky between dust pan
Between, circle is located at fore bearing rack inner wall to journal bearing in vitro, and the external inner ring of journal bearing is fixed on pump shaft, fore bearing support with
Rear bearing rack is connected, and cold water cavity is provided with rear bearing rack, and thrust bearing body outer ring is located at rear bearing rack inwall, thrust shaft
Hold circle in vivo to be fixed on pump shaft, rear bearing gland is fixedly connected by screw with rear bearing rack, and front axle pressure cap inwall has
Screw thread, dust pan is fixed on pump shaft, there is movable space between front axle pressure cap and dust pan.
2. a kind of single stage single suction cantilever type centrifugal pump as claimed in claim 1, it is characterised in that the mechanical seal is ripple
Pipe mechanical seal, axle sleeve is fixed on pump shaft, and bellows is fixed on axle sleeve by screw one end, and the other end is fixed on gland
On, gland is weldingly connected with outer pump cover, and cooling water and cooling oil pipeline are respectively equipped with gland.
3. a kind of single stage single suction cantilever type centrifugal pump as claimed in claim 1, it is characterised in that the pump housing is replaceable resistance to
Mill material.
4. a kind of single stage single suction cantilever type centrifugal pump as claimed in claim 1, it is characterised in that the bearing body is self-lubricating
Design, lubricant is thin oil, and bearing body is cast steel.
5. a kind of single stage single suction cantilever type centrifugal pump as claimed in claim 1, it is characterised in that set in the journal bearing body
There is a set of deep groove ball bearing.
6. a kind of single stage single suction cantilever type centrifugal pump as claimed in claim 1, it is characterised in that set in the thrust bearing body
There are a pair of angular contact ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245673.9A CN106762673A (en) | 2016-12-29 | 2016-12-29 | A kind of single stage single suction cantilever type centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245673.9A CN106762673A (en) | 2016-12-29 | 2016-12-29 | A kind of single stage single suction cantilever type centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106762673A true CN106762673A (en) | 2017-05-31 |
Family
ID=58928827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245673.9A Pending CN106762673A (en) | 2016-12-29 | 2016-12-29 | A kind of single stage single suction cantilever type centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762673A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916068A (en) * | 2018-08-08 | 2018-11-30 | 陕西科技大学 | A kind of methanol feed pump |
| CN114320927A (en) * | 2021-12-02 | 2022-04-12 | 安徽莱恩电泵有限公司 | Back-flushing pump of circulating water filtering system of nuclear power station |
| CN114439770A (en) * | 2021-12-20 | 2022-05-06 | 陕西航天动力高科技股份有限公司 | Compact marine water cannon booster centrifugal pump |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074733A (en) * | 2006-05-16 | 2007-11-21 | 泰州康乔机电设备有限公司 | Pallet high-temperature-resisting corrugated pipe mechanical seal |
| CN201321989Y (en) * | 2008-12-12 | 2009-10-07 | 上海凯泉泵业（集团）有限公司 | High pressure resistant, wearable and corrosion resistant high temperature pump |
| CN201925233U (en) * | 2010-12-30 | 2011-08-10 | 上海阿波罗机械股份有限公司 | Equipment cooling pump for nuclear power station |
| CN202811491U (en) * | 2012-10-09 | 2013-03-20 | 沈阳鼓风机集团核电泵业有限公司 | Nuclear secondary pump residual heat discharge pump for 300 MW nuclear power station |
| CN203627324U (en) * | 2014-01-03 | 2014-06-04 | 山东双轮韬浦泵业有限公司 | High-temperature and high-pressure resistant horizontal single-stage cantilever pump |
| CN204984935U (en) * | 2015-08-27 | 2016-01-20 | 江苏飞翔泵业制造有限公司 | Formula is singly inhaled to single -stage does not have jam self priming pump |
| CN106015018A (en) * | 2016-06-22 | 2016-10-12 | 安徽格兰富机械设备有限公司 | Three-dimensional sleeving-type self-priming pump |
| CN206495784U (en) * | 2016-12-29 | 2017-09-15 | 镇江福泰克流体技术有限公司 | A kind of single stage single suction cantilever type centrifugal pump |
-
2016
- 2016-12-29 CN CN201611245673.9A patent/CN106762673A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101074733A (en) * | 2006-05-16 | 2007-11-21 | 泰州康乔机电设备有限公司 | Pallet high-temperature-resisting corrugated pipe mechanical seal |
| CN201321989Y (en) * | 2008-12-12 | 2009-10-07 | 上海凯泉泵业（集团）有限公司 | High pressure resistant, wearable and corrosion resistant high temperature pump |
| CN201925233U (en) * | 2010-12-30 | 2011-08-10 | 上海阿波罗机械股份有限公司 | Equipment cooling pump for nuclear power station |
| CN202811491U (en) * | 2012-10-09 | 2013-03-20 | 沈阳鼓风机集团核电泵业有限公司 | Nuclear secondary pump residual heat discharge pump for 300 MW nuclear power station |
| CN203627324U (en) * | 2014-01-03 | 2014-06-04 | 山东双轮韬浦泵业有限公司 | High-temperature and high-pressure resistant horizontal single-stage cantilever pump |
| CN204984935U (en) * | 2015-08-27 | 2016-01-20 | 江苏飞翔泵业制造有限公司 | Formula is singly inhaled to single -stage does not have jam self priming pump |
| CN106015018A (en) * | 2016-06-22 | 2016-10-12 | 安徽格兰富机械设备有限公司 | Three-dimensional sleeving-type self-priming pump |
| CN206495784U (en) * | 2016-12-29 | 2017-09-15 | 镇江福泰克流体技术有限公司 | A kind of single stage single suction cantilever type centrifugal pump |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916068A (en) * | 2018-08-08 | 2018-11-30 | 陕西科技大学 | A kind of methanol feed pump |
| CN114320927A (en) * | 2021-12-02 | 2022-04-12 | 安徽莱恩电泵有限公司 | Back-flushing pump of circulating water filtering system of nuclear power station |
| CN114439770A (en) * | 2021-12-20 | 2022-05-06 | 陕西航天动力高科技股份有限公司 | Compact marine water cannon booster centrifugal pump |
| CN114439770B (en) * | 2021-12-20 | 2023-09-12 | 陕西航天动力高科技股份有限公司 | Compact marine water cannon booster centrifugal pump |
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