CN114576173B - Simple self-exhaust efficient pipeline pump - Google Patents
Simple self-exhaust efficient pipeline pump Download PDFInfo
- Publication number
- CN114576173B CN114576173B CN202210041166.2A CN202210041166A CN114576173B CN 114576173 B CN114576173 B CN 114576173B CN 202210041166 A CN202210041166 A CN 202210041166A CN 114576173 B CN114576173 B CN 114576173B
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- China
- Prior art keywords
- ring
- support frame
- motor support
- pump
- impeller
- 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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Links
- 238000002955 isolation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 238000013022 venting Methods 0.000 claims description 4
- 230000005764 inhibitory process Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 11
- 230000002401 inhibitory effect Effects 0.000 abstract description 5
- 210000004907 gland Anatomy 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 210000005056 cell body Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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
- 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
- F04D29/04—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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a simple self-exhausting efficient pipeline pump which mainly comprises a pump body, a motor lengthening shaft, a backflow inhibiting structure component, a mechanical sealing structure, an impeller and a motor support frame, wherein the upper end of the pump body is connected with the motor support frame, the motor is arranged at the upper end of the motor support frame, a cavity between the pump body and the motor support frame is a pump cavity, one end of the motor lengthening shaft is connected with the motor, the other end of the motor lengthening shaft stretches into the pump cavity, the impeller is assembled at the end part of the motor lengthening shaft stretching into the pump cavity and positioned, the impeller is locked by an impeller nut, the mechanical sealing structure comprises a movable ring and a stationary ring, the movable ring is arranged on an impeller hub, the stationary ring is arranged on the motor support frame, and the backflow inhibiting structure component is arranged between the impeller and the relative position of the inner wall of the pump cavity. The invention has simple and reasonable structure, effectively reduces the number of parts by integrating the functions of the exhaust, the pump cover and the sealing gland, has simple disassembly and convenient maintenance, has simple and convenient adjustment of the position of the impeller in the pump body flow channel, and prolongs the service life of the pump.
Description
Technical Field
The invention belongs to the technical field of fluid machinery, and particularly relates to a simple self-exhaust efficient pipeline pump.
Background
The pipeline pump is one kind of single-suction single-stage or multistage centrifugal pump, and is of vertical structure, and its inlet and outlet are on the same straight line, and their calibers are identical, and can be mounted in any position of pipeline so as to obtain the invented pipeline pump. The existing pipeline pump has the defects of complex structure, more required parts, high disassembly difficulty, larger gap of the impeller bearing ring and large leakage quantity, thus having lower efficiency and high energy consumption; the manual exhaust operation is needed before driving; the axial play cannot be eliminated by adjustment.
Disclosure of Invention
The invention solves the technical problem of providing the simple self-exhausting efficient pipeline pump which can better solve the defects, so that the pipeline pump is convenient to use and simple to detach, and the performance of the whole machine is further improved.
The technical scheme adopted by the invention is as follows: the utility model provides a simple self-exhausting high-efficient pipeline pump, mainly includes the pump body, motor add the long axle, restrain backward flow structural component, mechanical seal structure, impeller and motor support frame, and motor support frame is connected to the pump body upper end, motor support frame upper end installation motor, and the cavity is the pump chamber between pump body and the motor support frame, motor add long axle one end and motor are connected, and the other end stretches into in the pump chamber, the impeller assembly is in the tip of the motor add the long axle that stretches into in the pump chamber and location, and the impeller passes through the impeller nut locking, mechanical seal structure includes rotating ring and quiet ring, and the rotating ring is installed on impeller wheel hub, and quiet ring is installed on motor support frame, restrain backward flow structural component installs between impeller and pump chamber inner wall relative position. The motor extension shaft, the impeller and the mechanical seal movable ring form a whole, and the whole axial movement amount can be adjusted by adjusting the position of the motor extension shaft, so that the purpose of adjusting the position of the impeller in the pump body flow passage can be achieved, the purpose of prolonging the service time of the mechanical seal can be achieved, and the ideal use effect can be achieved.
Preferably, the motor support frame is circular groove type structure, the outer loop equipartition bolt hole of cell body top surface is connected with the motor flange through the bolt, the processing of cell body lower part outside anchor ring has the bolt hole to pass through bolt and pump body fixed connection, the tank bottom of motor support frame is the non-equal height bottom surface structure, and the tank bottom middle part is protruding to the plane of cell body top surface direction, and center department is the shaft hole, and the processing of shaft hole outer lane has quiet ring groove, and tank bottom outside anchor ring height is less than tank bottom middle part plane height, and tank bottom outside anchor ring passes through slope face transitional coupling with tank bottom middle part plane, the processing of tank bottom outside anchor ring department of meeting with the slope face has the antifriction ring constant head tank, and the profile shape is "W" shape in the motor support frame, processing of tank bottom one side has the exhaust passage, exhaust passage one end intercommunication pump chamber, the other end stretches out the motor support frame outside, tip processing screw thread and installs electric ball valve.
The effect is that: the motor support frame is cast into a whole, and the structure of the motor support frame integrates the functions of exhaust, pump cover and sealing gland, so that the motor support frame is simple to detach and convenient to maintain. The exhaust department is equipped with electronic ball valve, does not need manual control, can carry out the operation of exhausting before starting through the switch board, simplifies the start-up flow.
Preferably, the backflow-inhibiting structure component comprises a left-handed spiral grinding bearing ring and a right-handed spiral grinding bearing ring, wherein the left-handed spiral grinding bearing ring and the right-handed spiral grinding bearing ring are fixed on the impeller through set screws, when the motor rotates clockwise, the left-handed spiral grinding bearing ring is positioned between the front cover plate of the impeller and the pump body, and the right-handed spiral grinding bearing ring is positioned between the rear cover plate of the impeller and the grinding bearing ring positioning groove of the motor support frame.
The effect is that: the grinding bearing ring is used as a grinding bearing piece to protect the pump body and the impeller, a certain coaxiality can be maintained, the spiral direction of the grinding bearing ring is related to the rotation direction of the motor, the grinding bearing ring at the front cover plate of the impeller is opposite to the spiral direction of the grinding bearing ring at the rear cover plate of the impeller, the leakage amount is reduced, and the efficiency of the pump is improved. Meanwhile, as the front cover plate side and the rear cover plate side of the pump are provided with pressure, the spiral sealing ring and the impeller rotate to generate a force opposite to the side pressure direction of the cover plate, and the radial force can be increased within the length range of the bearing ring by the force in two directions, the bearing ring also plays the role of a hydrostatic bearing, the gap between the bearing ring and the pump body and the motor support frame is reduced, the bearing ring is not easy to wear, and the service life of the pump is prolonged.
Preferably, a gasket is arranged between the motor support frame and the motor flange.
The effect is that: the impeller is positioned on the motor extension shaft, the mechanical seal borrows the impeller hub, the mechanical seal compression amount can be adjusted through adjusting the gasket between the motor and the motor support frame, the operation is simple and convenient, the sealing service life is prolonged, and when the open impeller is used, the axial clearance can be adjusted under the condition that the motor support frame is not required to be disassembled, so that the equipment maintenance flow is simplified.
Preferably, the lower part of the pump body is filled with vibration isolation material, and the vibration isolation material is elastic material such as rubber.
The effect is that: reduces the vibration of the pump body and prolongs the service life of the pump.
Preferably, the outer side wall of the ring body of the left-handed spiral bearing ring is provided with a left-handed spiral groove, the outer side wall of the ring body of the right-handed spiral bearing ring is provided with a right-handed spiral groove, and the cross sections of the left-handed spiral groove and the right-handed spiral groove are round, square or triangular.
The effect is that: can play a role in preventing backflow.
The beneficial effects of the invention are as follows: the invention has simple and reasonable structure, effectively reduces the number of parts by integrating the functions of the exhaust, the pump cover and the sealing gland, has simple disassembly and convenient maintenance, has simple and convenient adjustment of the position of the impeller in the pump body flow channel, and prolongs the service life of the pump.
Drawings
FIG. 1 is a schematic diagram of a simple self-venting high efficiency tubing pump;
FIG. 2 is a schematic diagram of a motor support structure;
FIG. 3 is a schematic cross-sectional view of a circular groove wear ring;
FIG. 4 is a schematic cross-sectional view of a square groove wear ring;
FIG. 5 is a schematic cross-sectional view of a triangular groove wear ring;
FIG. 6 is a schematic view of a helical groove structure of a wear ring;
fig. 7 is an enlarged view of a portion of the gasket.
Reference numerals: the self-lubricating pump comprises a pump body, a 2-left-handed spiral bearing ring, a 3-impeller, a 4-right-handed spiral bearing ring, a 5-motor support frame, a 6-electric ball valve, a 7-motor extension shaft, an 8-mechanical sealing structure, a 9-motor, 10-vibration isolation materials, 11-set screws, 12-gaskets, 51-groove bottom middle parts, 52-slope surfaces, 53-groove bottom outer parts, 54-exhaust passages, 55-static ring grooves, 56-bearing ring positioning grooves and 201-left-handed spiral grooves.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, a simple self-exhaust efficient pipeline pump mainly comprises a pump body 1, a motor 9, a motor extension shaft 7, a backflow-inhibiting structure component, a mechanical sealing structure 8, an impeller 3 and a motor support frame 5, wherein the upper end of the pump body 1 is connected with the motor support frame 5, the motor 9 is installed at the upper end of the motor support frame 5, vibration isolation materials 10 are filled at the lower part of the pump body 1, a cavity between the pump body 1 and the motor support frame 5 is a pump cavity, one end of the motor extension shaft 7 is connected with the motor 9, the other end of the motor extension shaft extends into the pump cavity, the impeller 3 is assembled at the end part of the motor extension shaft 7 extending into the pump cavity and is positioned, the impeller 3 is locked by an impeller nut, the mechanical sealing structure 8 comprises a movable ring and a static ring, the movable ring is installed on a hub of the impeller 3, the movable ring rotates along with the impeller 3, the static ring is fixedly installed in a static ring groove 55 of the motor support frame 5, as shown in fig. 1 and 3, the backflow-inhibiting structure component comprises a left-handed spiral bearing ring 2 and a right-handed spiral bearing ring 4, the left-handed spiral bearing ring 2 and the right-handed spiral bearing 4 are fixed on the impeller 3 through a set screw 12, when the motor 9 is clockwise, the motor is positioned between the left-handed spiral bearing ring 2 and the impeller support frame and the impeller 5, and the front grinding cover plate is positioned between the impeller and the impeller 3 and the impeller 3. As shown in fig. 3 to 6, the outer side wall of the ring body of the left-handed spiral bearing ring 2 is processed with a left-handed spiral groove 201, and the outer side wall of the ring body of the right-handed spiral bearing ring 4 is processed with a right-handed spiral groove, and the shape and structure of the right-handed spiral groove are the same as those of the left-handed spiral groove 201, except that the spiral directions are opposite. The left-handed spiral groove 201 and the right-handed spiral groove are circular, square or triangular in cross section. After the impeller 3 rotates, the spiral groove structure of the bearing ring forms reverse circulation at the bearing ring to prevent the liquid in the high-pressure area from flowing to the low-pressure area, so that the leakage is reduced.
The motor extension shaft 7, the impeller 3 and the movable ring in the mechanical sealing structure 8 form a whole, and the whole axial movement can be adjusted by adjusting the position of the motor extension shaft 7, so that the purpose of adjusting the position of the impeller 3 in a pump body runner can be achieved, and the service time of the mechanical seal can be prolonged. As shown in fig. 7, the adjustment of the overall axial play is mainly performed by a spacer 12 installed between the motor support 5 and the flange of the motor 9. The gasket 12 between the motor 9 and the motor support frame 5 is adjusted to adjust the compression amount of the mechanical seal, when the open impeller is used, the axial gap can be adjusted without disassembling the motor support frame 5, the gasket 12 is increased, the compression amount of the mechanical seal is increased, the abrasion loss is filled, and the purpose of prolonging the service time is achieved.
As shown in fig. 2, the motor support 5 is of a circular groove structure, uniformly distributed bolt holes in the outer ring of the top surface of the groove body are connected with a flange of the motor 9 through bolts, bolt holes are machined in the outer ring surface of the lower part of the groove body and fixedly connected with the pump body 1 through bolts, the bottom of the motor support 5 is of a non-uniform height bottom surface structure, the middle part 51 of the bottom is a plane protruding towards the top surface direction of the groove body, the center is a shaft hole, a static ring groove 55 is machined in the outer ring of the shaft hole, the height of the ring surface of the outer side 53 of the bottom is lower than the plane height of the middle part 51 of the bottom, the ring surface of the outer side 53 of the bottom is in transitional connection with the plane of the middle part 51 of the bottom through a slope surface 52, a wear-resisting ring positioning groove 56 is machined in the joint of the ring surface 53 of the bottom outer side of the bottom and the slope surface 52, the cross section of the motor support 5 is of a W shape, one side of the bottom is provided with an exhaust channel 54, one end of the exhaust channel 54 is communicated with the pump cavity, the other end extends out of the motor support 5, threads are machined, and an electric ball valve 6 is installed.
The foregoing describes specific embodiments of the present invention and the technical principles applied, and any modifications and equivalent changes based on the technical solutions of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A simple self-exhaust efficient pipeline pump is characterized in that: the mechanical seal structure comprises a movable ring and a stationary ring, the movable ring is arranged on an impeller hub, the stationary ring is arranged on the motor support frame, the backflow inhibition structure component is arranged between the impeller and the inner wall of the pump cavity, the motor support frame is of a circular groove structure, the outer ring of the top surface of the groove body is uniformly distributed and connected with a motor flange through bolts, the outer ring surface of the lower part of the groove body is provided with bolt holes which are fixedly connected with the pump body through bolts, the bottom of the motor support frame is of a bottom surface structure with different heights, the middle of the bottom of the motor support frame is a plane protruding towards the top surface direction of the tank body, the center of the motor support frame is provided with a shaft hole, the outer ring of the shaft hole is provided with a static ring groove, the height of the ring surface at the outer side of the bottom of the motor support frame is lower than that of the plane at the middle of the bottom of the motor support frame, the ring surface at the outer side of the bottom of the motor support frame is in transitional connection with the plane at the middle of the bottom of the motor support frame through a slope surface, the joint of the ring surface at the outer side of the bottom of the motor support frame and the slope surface is provided with a grinding ring positioning groove, one end of the air exhaust channel is communicated with a pump cavity, the other end of the air exhaust channel extends out of the motor support frame, the end of the air exhaust channel is provided with threads, the end of the air exhaust back-flow suppressing structure component comprises a left-handed spiral grinding ring and a right-handed spiral grinding ring, the left-handed spiral grinding ring and the right-handed grinding ring are fixed on an impeller through a set screw, when the motor rotates clockwise, the left-handed spiral bearing ring is positioned between the impeller front cover plate and the pump body, and the right-handed spiral bearing ring is positioned between the impeller rear cover plate and the bearing ring positioning groove of the motor support frame.
2. A simple self-venting high efficiency tubing pump as claimed in claim 1, wherein: and a gasket is arranged between the motor support frame and the motor flange.
3. A simple self-venting high efficiency tubing pump as claimed in claim 1, wherein: the lower part of the pump body is filled with vibration isolation materials.
4. A simple self-venting high efficiency tubing pump as claimed in claim 1, wherein: the outer side wall of the ring body of the left-handed spiral bearing ring is provided with a left-handed spiral groove, the outer side wall of the ring body of the right-handed spiral bearing ring is provided with a right-handed spiral groove, and the cross sections of the left-handed spiral groove and the right-handed spiral groove are round, square or triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041166.2A CN114576173B (en) | 2022-01-14 | 2022-01-14 | Simple self-exhaust efficient pipeline pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210041166.2A CN114576173B (en) | 2022-01-14 | 2022-01-14 | Simple self-exhaust efficient pipeline pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576173A CN114576173A (en) | 2022-06-03 |
| CN114576173B true CN114576173B (en) | 2024-01-09 |
Family
ID=81769594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210041166.2A Active CN114576173B (en) | 2022-01-14 | 2022-01-14 | Simple self-exhaust efficient pipeline pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114576173B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250889B1 (en) * | 1999-01-26 | 2001-06-26 | Godwin Pumps Limited | Pump with improved priming |
| CN102220984A (en) * | 2011-07-22 | 2011-10-19 | 李冬庆 | Single stage pump with forced circulation rotation-preventing structure |
| CN202326282U (en) * | 2011-12-09 | 2012-07-11 | 浙江佳力科技股份有限公司 | Vertical type pipeline pump |
| CN205025776U (en) * | 2015-09-24 | 2016-02-10 | 普仑斯(福建)泵业有限公司 | Vertical tubing pump of anti -corrosion type |
| CN206545604U (en) * | 2017-02-20 | 2017-10-10 | 浙江佳力科技股份有限公司 | A kind of detachable Piping Centrifugal Pumps with integrated mechanical sealing |
| CN211525106U (en) * | 2019-12-07 | 2020-09-18 | 江苏五奥机泵制造有限公司 | High-efficiency energy-saving pipeline pump |
| CN211648584U (en) * | 2019-12-13 | 2020-10-09 | 上海东方泵业集团南通有限公司 | Mechanical seal self-flushing pump cover structure of pipeline pump |
| CN212838397U (en) * | 2020-08-19 | 2021-03-30 | 福斯流体技术(广州)有限公司 | Flow guide type pipeline pump |
-
2022
- 2022-01-14 CN CN202210041166.2A patent/CN114576173B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250889B1 (en) * | 1999-01-26 | 2001-06-26 | Godwin Pumps Limited | Pump with improved priming |
| CN102220984A (en) * | 2011-07-22 | 2011-10-19 | 李冬庆 | Single stage pump with forced circulation rotation-preventing structure |
| CN202326282U (en) * | 2011-12-09 | 2012-07-11 | 浙江佳力科技股份有限公司 | Vertical type pipeline pump |
| CN205025776U (en) * | 2015-09-24 | 2016-02-10 | 普仑斯(福建)泵业有限公司 | Vertical tubing pump of anti -corrosion type |
| CN206545604U (en) * | 2017-02-20 | 2017-10-10 | 浙江佳力科技股份有限公司 | A kind of detachable Piping Centrifugal Pumps with integrated mechanical sealing |
| CN211525106U (en) * | 2019-12-07 | 2020-09-18 | 江苏五奥机泵制造有限公司 | High-efficiency energy-saving pipeline pump |
| CN211648584U (en) * | 2019-12-13 | 2020-10-09 | 上海东方泵业集团南通有限公司 | Mechanical seal self-flushing pump cover structure of pipeline pump |
| CN212838397U (en) * | 2020-08-19 | 2021-03-30 | 福斯流体技术(广州)有限公司 | Flow guide type pipeline pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114576173A (en) | 2022-06-03 |
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