CN107061294A - A kind of self-balanced multiple-stage Radial pump - Google Patents
A kind of self-balanced multiple-stage Radial pump Download PDFInfo
- Publication number
- CN107061294A CN107061294A CN201611248628.9A CN201611248628A CN107061294A CN 107061294 A CN107061294 A CN 107061294A CN 201611248628 A CN201611248628 A CN 201611248628A CN 107061294 A CN107061294 A CN 107061294A
- Authority
- CN
- China
- Prior art keywords
- pump
- drum
- balancing
- bearing body
- self
- 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
- 238000005242 forging Methods 0.000 claims abstract description 5
- 238000007493 shaping process Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000005495 investment casting Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D1/06—Multi-stage 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
- F04D29/007—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
- F04D29/041—Axial thrust balancing
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of self-balanced multiple-stage Radial pump, including pump shaft, left bearing body, left bearing support, tightening nut, left pump cover, suction casing, left mechanical seal, turnbuckle, balancing pipeline, impeller, stator, stage casing, Spit Section, right pump cover, drum drum structure, right mechanical seal, right bearing support, right bearing body, elastic washer, the first balancing drum, balancing frame, the second balancing drum；Drum drum structure of the present invention can provide axial Auxiliary support, significantly reduce the axial force of whole pump shaft of centrifugal pump shafting, improve the stress of multistage Radial pump pump shaft, improve the service life of pump shaft；Impeller, stator are molded for hot investment casting, and suction casing, Spit Section and stage casing are forging machinery machine-shaping, and hydraulic friction loss is low, and load performance is excellent, and the efficiency of pump is high；Bearing body is thin oil self-lubricating structure, and the heat produced in the effective cooling bearing operating of energy improves bearing service life and security.
Description
Technical field
The present invention relates to centrifugation pump technical field, specifically, more particularly to a kind of self-balanced multiple-stage Radial pump.
Background technology
Centrifugal multistage pump multiple centrifugal pump is to rely on the centrifugal force produced during impeller rotation to convey the pump of liquid, utilizes the leaf of high speed rotation
Impeller blade drives water to rotate, and water is thrown away, so as to reach the purpose of conveying, but during multistage centrifugal pump work, due to multistage from
Pressure difference is very big between the outlet section and entrance of heart pump, can thus produce one from outlet side vertically to the axial direction of entrance side
Thrust, in the presence of the axial thrust, makes the rotor of centrifugal multistage pump multiple centrifugal pump produce axial displacement, direction is also laterally to be entered by outlet
Mouth side movement, the axial thrust operationally produced for balance centrifugal multistage pump multiple centrifugal pump, control axial displacement is pacified in the dynamic and static gap of pump
In gamut；
Balancing drum device is used after the outlet side impeller of centrifugal multistage pump multiple centrifugal pump, quotes the pressure of outlet side water outlet to push up
The firmly balancing drum on Multistage centrifugal pump rotor, and then balance the axial thrust produced during multistage centrifugal pump work, control shaft
To displacement, but balancing drum is used alone there is also certain defect, the leakage rate of balancing frame is big so that the volumetric loss of pump adds
Greatly, operational efficiency is reduced；
Balancing disc structure is used in impeller wheel disc side, but must be deposited using the centrifugal pump shafting rotor of balancing disc structure
In certain axial movement value, the axial float of shafting rotor is unfavorable for shaft end seal so that shaft end seal easily fails；While axle
It is that the axial float of rotor easily causes the abrasion between rotor part and stator part；The axial float of other shafting rotor makes
Centrifugal pump is obtained when startup, stopping or flow lift are changed, impact can be produced and collided, increase part fretting wear,
Cause balancing frame to be easily damaged, it is necessary to often change, reduce the service life of centrifugal pump, increase the maintenance cost of centrifugal pump.
The content of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that it is more to provide a kind of self-balancing
Level Radial pump, the axial force of whole pump shaft of centrifugal pump shafting can be greatly reduced in it, improve the service life of pump shaft.
The technical solution adopted for the present invention to solve the technical problems is：A kind of self-balanced multiple-stage Radial pump, pump shaft
Left side is provided with left bearing body, and left bearing body is connected with left bearing support, and left mechanical seal is located on the right side of left bearing body, left bearing branch
Frame is connected with left mechanical seal by bolt, nut, and left pump cover is located on the right side of left bearing body, and left pump cover passes through spiral shell with left bearing body
Bolt, nut connection, left pump cover is with suction casing by being weldingly connected, and turnbuckle one end is fixed on left pump cover by tightening nut,
The other end is fixed on right pump cover by tightening nut, and balancing pipeline one end is connected with left suction casing, and the other end and right machinery are close
Envelope is connected, and the inside in stage casing is provided with some deflectors, and deflector includes stator and impeller, and stator is connected with impeller,
Impeller is socketed on pump shaft, and right pump cover is with Spit Section by being weldingly connected, and drum drum structure is located at right pump cover and pump shaft junction,
The drum drum structure includes the first balancing drum, the second balancing drum, balancing frame, movable packing ring, and the balancing frame is consolidated with pump shaft
It is fixed, square groove is provided with the left of balancing frame, impeller is provided with casting lug thereon, and casting lug thereon is embedded in groove, the balancing frame other end with
Elastic washer is connected, and the second balancing drum is located on the outside of balancing frame, and with right pump cover by being weldingly connected, blending bolt is fixed, and first
Balancing drum is located on the outside of balancing frame, is fixed by screw with right pump cover, and right mechanical seal is located on the right side of drum drum structure, right bearing
Body is located on the right side of right mechanical seal, is socketed on pump shaft end, and right bearing body is connected with right bearing support, the left bearing support,
Right bearing support is fixed with whole centrifugal pump body.
The left bearing body, right bearing body design for self-lubricating, and lubricant is thin oil.
A set of deep groove ball bearing is provided with the left bearing body.
Back-to-back angular contact ball bearing is provided with the right bearing body.
The impeller, stator are molded for hot investment casting.
The suction casing, Spit Section and stage casing are forging machinery machine-shaping.
The present invention has advantages below compared with prior art：Drum drum structure can provide axial Auxiliary support, significantly
Degree reduces the axial force of whole pump shaft of centrifugal pump shafting, improves the stress of multistage Radial pump pump shaft, improves pump shaft
Service life；Impeller, stator are molded for hot investment casting, and suction casing, Spit Section and stage casing are forging machinery machine-shaping, and waterpower is rubbed
Wearing, mistake is low, and load performance is excellent, and the efficiency of pump is high；Bearing body is thin oil self-lubricating structure, in the effective cooling bearing operating of energy
The heat of generation, improves bearing service life and security.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is drum drum structural representation at Fig. 1 A of the present invention；
In figure：1- pump shafts, 2- left bearing bodies, 3- left bearing supports, 4- tightening nuts, the left pump covers of 5-, 6- suction casings, 7- is left
Mechanical seal, 8- turnbuckles, 9- balancing pipelines, 10- impellers, 11- stators, 12- stage casings, 13- Spit Sections, the right pump covers of 14-,
15- drums rouse structure, and the right mechanical seals of 16-, 17- right bearing supports, 18- right bearing bodies, 19- elastic washers, 20- first is balanced
Drum, 21- balancing frames, the balancing drums of 22- second.
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 the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As illustrated, being provided with left bearing body, left bearing body and left axle on the left of a kind of self-balanced multiple-stage Radial pump, pump shaft
Support connection is held, left mechanical seal is located on the right side of left bearing body, left bearing support is connected with left mechanical seal by bolt, nut
Connect, left pump cover is located on the right side of left bearing body, left pump cover is connected with left bearing body by bolt, nut, left pump cover leads to suction casing
Cross and be weldingly connected, turnbuckle one end is fixed on left pump cover by tightening nut, the other end is fixed on right pump by tightening nut
Cover, balancing pipeline one end is connected with left suction casing, the other end is connected with right mechanical seal, the inside in stage casing is provided with some water conservancy diversion
Mechanism, deflector includes stator and impeller, and stator is connected with impeller, and impeller is socketed on pump shaft, and right pump cover is with spuing
Section is by being weldingly connected, and drum drum structure is located at right pump cover and pump shaft junction, the drum drum structure include the first balancing drum,
Second balancing drum, balancing frame, movable packing ring, the balancing frame are fixed with pump shaft, and square groove, impeller are provided with the left of balancing frame
Casting lug thereon is provided with, casting lug thereon is embedded in groove, and the balancing frame other end is connected with elastic washer, the second balancing drum is located at balance
On the outside of disk, with right pump cover by being weldingly connected, blending bolt is fixed, and the first balancing drum is located on the outside of balancing frame, by screw with
Right pump cover is fixed, and right mechanical seal is located on the right side of drum drum structure, and right bearing body is located on the right side of right mechanical seal, is socketed on pump shaft
End, right bearing body is connected with right bearing support, and the left bearing support, right bearing support are fixed with whole centrifugal pump body.
The left bearing body, right bearing body design for self-lubricating, and lubricant is thin oil.
A set of deep groove ball bearing is provided with the left bearing body.
Back-to-back angular contact ball bearing is provided with the right bearing body.
The impeller, stator are molded for hot investment casting.
The suction casing, Spit Section and stage casing are forging machinery machine-shaping.
Preferably, the deflector is 7.
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, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Make a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (6)
1. a kind of self-balanced multiple-stage Radial pump, it is characterised in that including pump shaft, left bearing body, left bearing support, tension spiral shell
Female, left pump cover, suction casing, left mechanical seal, turnbuckle, balancing pipeline, impeller, stator, stage casing, Spit Section, right pump cover, drum
Left bearing body, left bearing body and a left side are provided with the left of disk drum structure, right mechanical seal, right bearing support, right bearing body, the pump shaft
The support of bearing is connected, and left mechanical seal is located on the right side of left bearing body, and left bearing support is connected with left mechanical seal by bolt, nut
Connect, left pump cover is located on the right side of left bearing body, left pump cover is connected with left bearing body by bolt, nut, left pump cover leads to suction casing
Cross and be weldingly connected, turnbuckle one end is fixed on left pump cover by tightening nut, the other end is fixed on right pump by tightening nut
Cover, balancing pipeline one end is connected with left suction casing, the other end is connected with right mechanical seal, the inside in stage casing is provided with some water conservancy diversion
Mechanism, deflector includes stator and impeller, and stator is connected with impeller, and impeller is socketed on pump shaft, and right pump cover is with spuing
Section is by being weldingly connected, and drum drum structure is located at right pump cover and pump shaft junction, the drum drum structure include the first balancing drum,
Second balancing drum, balancing frame, movable packing ring, the balancing frame are fixed with pump shaft, and square groove, impeller are provided with the left of balancing frame
Casting lug thereon is provided with, casting lug thereon is embedded in groove, and the balancing frame other end is connected with elastic washer, the second balancing drum is located at balance
On the outside of disk, with right pump cover by being weldingly connected, blending bolt is fixed, and the first balancing drum is located on the outside of balancing frame, by screw with
Right pump cover is fixed, and right mechanical seal is located on the right side of drum drum structure, and right bearing body is located on the right side of right mechanical seal, is socketed on pump shaft
End, right bearing body is connected with right bearing support, and the left bearing support, right bearing support are fixed with whole centrifugal pump body.
2. a kind of self-balanced multiple-stage Radial pump as claimed in claim 1, it is characterised in that the left bearing body, right axle
Hold body to design for self-lubricating, lubricant is thin oil.
3. a kind of self-balanced multiple-stage Radial pump as claimed in claim 1, it is characterised in that be provided with the left bearing body
A set of deep groove ball bearing.
4. a kind of self-balanced multiple-stage Radial pump as claimed in claim 1, it is characterised in that be provided with the right bearing body
A pair of angular contact ball bearings.
5. a kind of self-balanced multiple-stage Radial pump as claimed in claim 1, it is characterised in that the impeller, stator are essence
Close casting.
6. a kind of self-balanced multiple-stage Radial pump as claimed in claim 1, it is characterised in that the suction casing, Spit Section
And stage casing is forging machinery machine-shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248628.9A CN107061294A (en) | 2016-12-29 | 2016-12-29 | A kind of self-balanced multiple-stage Radial pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611248628.9A CN107061294A (en) | 2016-12-29 | 2016-12-29 | A kind of self-balanced multiple-stage Radial pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061294A true CN107061294A (en) | 2017-08-18 |
Family
ID=59623778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611248628.9A Pending CN107061294A (en) | 2016-12-29 | 2016-12-29 | A kind of self-balanced multiple-stage Radial pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061294A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594191A (en) * | 2020-12-29 | 2021-04-02 | 亿志机械设备(无锡)有限公司 | Small-flow high-lift multistage centrifugal pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895819Y (en) * | 2006-03-17 | 2007-05-02 | 李冬庆 | Combined balancing apparatus for multi-stage pump |
| CN101975168A (en) * | 2010-11-05 | 2011-02-16 | 浙江科尔泵业股份有限公司 | Horizontal axial-suction sectional multistage high-pressure centrifugal pump |
| CN204025062U (en) * | 2014-07-12 | 2014-12-17 | 辽宁通达泵业集团有限公司 | Self balancing energy-saving multi-stage centrifugal pump |
| CN204025063U (en) * | 2014-07-12 | 2014-12-17 | 辽宁通达泵业集团有限公司 | The two entrance energy-saving multi-stage centrifugal pumps of self balancing |
| CN205559356U (en) * | 2016-04-20 | 2016-09-07 | 浙江科尔泵业股份有限公司 | Formula that operates steadily multistage centrifugal pump |
| CN206503721U (en) * | 2016-12-29 | 2017-09-19 | 镇江福泰克流体技术有限公司 | A kind of self-balanced multiple-stage Radial pump |
-
2016
- 2016-12-29 CN CN201611248628.9A patent/CN107061294A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2895819Y (en) * | 2006-03-17 | 2007-05-02 | 李冬庆 | Combined balancing apparatus for multi-stage pump |
| CN101975168A (en) * | 2010-11-05 | 2011-02-16 | 浙江科尔泵业股份有限公司 | Horizontal axial-suction sectional multistage high-pressure centrifugal pump |
| CN204025062U (en) * | 2014-07-12 | 2014-12-17 | 辽宁通达泵业集团有限公司 | Self balancing energy-saving multi-stage centrifugal pump |
| CN204025063U (en) * | 2014-07-12 | 2014-12-17 | 辽宁通达泵业集团有限公司 | The two entrance energy-saving multi-stage centrifugal pumps of self balancing |
| CN205559356U (en) * | 2016-04-20 | 2016-09-07 | 浙江科尔泵业股份有限公司 | Formula that operates steadily multistage centrifugal pump |
| CN206503721U (en) * | 2016-12-29 | 2017-09-19 | 镇江福泰克流体技术有限公司 | A kind of self-balanced multiple-stage Radial pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594191A (en) * | 2020-12-29 | 2021-04-02 | 亿志机械设备(无锡)有限公司 | Small-flow high-lift multistage centrifugal pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170818 |
|
| RJ01 | Rejection of invention patent application after publication |