CN106286379B - Pump axial force on-line measurement device and method - Google Patents
Pump axial force on-line measurement device and method Download PDFInfo
- Publication number
- CN106286379B CN106286379B CN201610731350.4A CN201610731350A CN106286379B CN 106286379 B CN106286379 B CN 106286379B CN 201610731350 A CN201610731350 A CN 201610731350A CN 106286379 B CN106286379 B CN 106286379B
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- Prior art keywords
- bearing
- sensor
- pump
- axial force
- outside
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005259 measurement Methods 0.000 title claims abstract description 13
- 238000000418 atomic force spectrum Methods 0.000 claims description 8
- 238000005086 pumping Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 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
- F04D29/00—Details, component parts, or accessories
- F04D29/04—Shafts or bearings, or assemblies thereof
-
- 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
- F04D29/0462—Bearing cartridges
-
- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
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 kind of pump axial force on-line measurement devices, including main shaft, bearing inner sleeve is housed on main shaft, bearing outside is also cased with outside bearing inner sleeve, thrust bearing is equipped between bearing inner sleeve and bearing outside, sensor is installed in bearing body, and is fastened on bearing outside by screw, sensor side is equipped with straight pin, and another side senser is equipped with non-porous end cap.Straight pin and non-porous end cap can prevent sensor from generating radial and axial movement.The invention also discloses a kind of pump axial force On-line Measuring Methods.The signal crawl time interval of the device and method is 0.05 second, and precision is high, high sensitivity, and the on-line measurement that can accurately carry out pump axial force extends the service life of pump to improve the rigidity of rotor part, maximizes the economic interests of pump.
Description
Technical field
The present invention relates to centrifugal pump field, especially a kind of pump axial force on-line measurement device and method.
Background technique
The Axial Force Calculating of pump only has approximate formula, either single-stage pump, self-balancing sectional type multi-stage pump, simultaneously at present
Connection pump, middle-opening pump, in open multistage pump etc. pump product, after the completion of manufacture, from zero delivery point to large-capacity point, the axial force of pump does not all have
There is accurate measuring device.The calculated value of pump axial force and the difference of true value cannot be accurately known as pump designer.Together
When since pump starting, operation, variable working condition, to shutdown, flow-axial force size, directivity curve cannot be automatically generated.Pump shaft to
The size of power and processing, assembly have certain relationship, after the size for accurately measuring pump axial force, can accurately calculate flat
Weigh hole, balance pipe the gross area, while can correct type selecting thrust bearing.From the flow automatically generated-axial force size, direction
Curve.When pumping design, pump shaft can be made to be in tension state always, and be unlikely to push up pump shaft and become mandril, improved
The rigidity of rotor part extends the service life of pump, the maximization of economic benefit of pump.Therefore, a kind of high-precision, highly sensitive is needed
The pump axial force on-line measurement device and method of degree.
Summary of the invention
For solve the problems, such as existing for existing pump product axial force measuration it is above-mentioned at least one, the purpose of the present invention is to provide
A kind of high-precision, highly sensitive pump axial force on-line measurement device and method.
To achieve the above object, the present invention the following technical schemes are provided:
Axial force on-line measurement device, including main shaft are pumped, bearing inner sleeve is housed on main shaft, bearing is also cased with outside bearing inner sleeve
Housing is equipped with thrust bearing between bearing inner sleeve and bearing outside, sensor is installed in bearing body, and is fastened on by screw
On bearing outside, sensor side is equipped with straight pin, and another side senser is equipped with non-porous end cap.Straight pin can be prevented with non-porous end cap
Only sensor generates radial and axial movement.
It further, further include interior hexagon concave-end locking screw, interior hexagon concave-end locking screw is for consolidating bearing outside
Due on thrust bearing, preventing bearing outside and thrust bearing from relative displacement occurs.
It further, further include transmitter, the transmitter is electrically connected with sensor, and the transmitter other end connects display
And host, host automatically generates flow-axial direction force curve according to sensor signal, and shows over the display.
Preferably, the thrust bearing is angular contact ball bearing.
Pump axial force On-line Measuring Method, comprising the following steps:
(1) a pair of of thrust bearing is packed into bearing outside, is reloaded into bearing inner sleeve, is subsequently installed in the master of the anti-drive end of pump
On axis；Sensor is fastened on bearing outside by hexagon socket cap head screw；
(2) straight pin is installed in sensor side, is loaded on non-porous end cap, it is radial and axial for preventing sensor from generating
Movement；
(3) thrust bearing and bearing outside are fixed with interior hexagon concave-end locking screw.
Further, further include step (4) after step (3): being connect in sensor with transmitter, and be connected into host and display
Device, for analyzing and showing real-time flow-axial direction force curve.
Preferably, the thrust bearing is angular contact ball bearing.
The invention has the following advantages: when pump generates leftward or rightward axial force, two-way on sensor is answered
Become piece and generate corresponding change, signal can also automatically generate flow-axial direction force curve, from pump by transmitter and corresponding software
Starting, operation, variable working condition, automatically generate overall process flow-axial direction force curve to shutdown, between the signal crawl time of the device
It is divided into 0.05 second, precision is high, high sensitivity, the on-line measurement of pump axial force can be accurately carried out, to improve rotor part
Rigidity, extend the service life of pump, make pump economic interests maximize.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to do simple introduction, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Attached drawing 1 is the perspective view of the embodiment of the present invention.
In attached drawing, 1 it is main shaft, 2 is flat key, 3 is bearing outside, 4 is straight pin, 5 be hexagon socket cap head screw, and 6 are
Non-porous end cap, 7 be transmitter, and 8 be bearing inner sleeve, and 9 be angular contact ball bearing, and 10 be sensor, and 11 be interior hexagonal female end tightening
Screw, 12 be bearing body.
Specific embodiment
Below by specific embodiment, the present invention is further illustrated.
A kind of pump axial force on-line measurement device is equipped with bearing inner sleeve 8 as shown in Fig. 1, including main shaft 1 on main shaft 1,
It is also cased with bearing outside 3 outside bearing inner sleeve 8, thrust bearing is equipped between bearing inner sleeve 8 and bearing outside 3, thrust bearing is optional
With angular contact ball bearing 9, sensor is installed in bearing body 12, and is fastened on bearing outside by screw 5, sensor side
Equipped with straight pin 10, non-porous end cap 6 is equipped between sensor.Straight pin and non-porous end cap can prevent sensor generate it is radial and
It is axially moved.
Transmitter 7 can also be set, transmitter is connected with sensor, and the transmitter other end connects display and host,
Host automatically generates flow-axial direction force curve according to sensor signal, and shows over the display.
Interior hexagon concave-end locking screw 11 can also be added, interior hexagon concave-end locking screw is for bearing outside to be fixed on
On thrust bearing, places bearing outside and relative displacement occurs for thrust bearing.
Pump axial force On-line Measuring Method, comprising the following steps:
(1) a pair of of thrust bearing is packed into bearing outside, is reloaded into bearing inner sleeve, is subsequently installed in the master of the anti-drive end of pump
On axis；Sensor is fastened on bearing outside by hexagon socket cap head screw；
(2) straight pin is installed in sensor side, is loaded on non-porous end cap, it is radial and axial for preventing sensor from generating
Movement；
(3) thrust bearing and bearing outside are fixed with interior hexagon concave-end locking screw.
Step (4) can also be added after step (3): connecting in sensor with transmitter, and is connected into host and display, used
In analyzing and show real-time flow-axial direction force curve.
Wherein, angular contact ball bearing can be selected in thrust bearing.
Principle and implementation of the present invention are described for specific embodiment used herein, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention.The above is only preferred implementation side of the invention
Formula, it is noted that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the art
For those of ordinary skill, without departing from the principle of the present invention, several improvement, retouching or variation can also be made,
Above-mentioned technical characteristic can be combined in the right way；These improve retouching, variation or combination, or not improved by hair
Bright conception and technical scheme directly apply to other occasions, are regarded as protection scope of the present invention.
Claims (4)
1. pumping axial force on-line measurement device, including main shaft, which is characterized in that bearing inner sleeve is housed, outside bearing inner sleeve on main shaft
It is also cased with bearing outside, thrust bearing is equipped between bearing inner sleeve and bearing outside, sensor is installed in bearing body, and is passed through
Screw is fastened on bearing outside, and sensor side is equipped with straight pin, and another side senser is equipped with non-porous end cap；It further include interior hexagonal
Female end holding screw, interior hexagon concave-end locking screw are used to bearing outside being fixed on thrust bearing；It further include transmitter, institute
It states transmitter to be electrically connected with sensor, transmitter other end connection display and host, host are given birth to automatically according to sensor signal
At flow-axial direction force curve, and show over the display.
2. pump axial force on-line measurement device according to claim 1, which is characterized in that the thrust bearing is angular contact
Ball bearing.
3. a kind of pump axial force On-line Measuring Method of the pump axial force on-line measurement device based on claim 1, feature exist
In, comprising the following steps:
(1) a pair of of thrust bearing is packed into bearing outside, is reloaded into bearing inner sleeve, is subsequently installed in the main shaft of the anti-drive end of pump
On；Sensor is fastened on bearing outside by hexagon socket cap head screw；
(2) straight pin is installed in sensor side, is loaded on non-porous end cap, for preventing sensor from generating radial and axial fortune
It is dynamic；
(3) thrust bearing and bearing outside are fixed with interior hexagon concave-end locking screw；
(4) it is connect in sensor with transmitter, and is connected into host and display, for analyzing and showing real-time flow-axial direction
Force curve.
4. pump axial force On-line Measuring Method according to claim 3, which is characterized in that the thrust bearing is angular contact
Ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731350.4A CN106286379B (en) | 2016-08-26 | 2016-08-26 | Pump axial force on-line measurement device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610731350.4A CN106286379B (en) | 2016-08-26 | 2016-08-26 | Pump axial force on-line measurement device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106286379A CN106286379A (en) | 2017-01-04 |
| CN106286379B true CN106286379B (en) | 2019-03-05 |
Family
ID=57676637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610731350.4A Active CN106286379B (en) | 2016-08-26 | 2016-08-26 | Pump axial force on-line measurement device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106286379B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648968A (en) * | 2020-06-15 | 2020-09-11 | 长沙佳能通用泵业有限公司 | Balance disc normally-open type multistage centrifugal pump |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182695A (en) * | 2011-05-23 | 2011-09-14 | 新乡泵厂有限责任公司 | Tester for axial force of pump |
| CN202628594U (en) * | 2012-03-08 | 2012-12-26 | 江苏大学 | Novel nuclear main pump with magnetic bearing device |
| CN203114652U (en) * | 2013-03-07 | 2013-08-07 | 江苏大学 | Novel pump turbine with magnetic bearing device |
| CN103629121A (en) * | 2013-12-12 | 2014-03-12 | 兰州理工大学 | Dynamic axial force testing device for impeller of centrifugal pump |
| CN104500413A (en) * | 2014-11-21 | 2015-04-08 | 江苏大学 | Measuring unit for measuring axial force of submerged pump |
| CN105092129A (en) * | 2015-07-09 | 2015-11-25 | 广东省佛山水泵厂有限公司 | Rotation machine axial force testing apparatus and testing method thereof |
| CN205260355U (en) * | 2015-12-28 | 2016-05-25 | 沈阳鼓风机集团核电泵业有限公司 | Axial force test system of vertical canned motor pump |
-
2016
- 2016-08-26 CN CN201610731350.4A patent/CN106286379B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182695A (en) * | 2011-05-23 | 2011-09-14 | 新乡泵厂有限责任公司 | Tester for axial force of pump |
| CN202628594U (en) * | 2012-03-08 | 2012-12-26 | 江苏大学 | Novel nuclear main pump with magnetic bearing device |
| CN203114652U (en) * | 2013-03-07 | 2013-08-07 | 江苏大学 | Novel pump turbine with magnetic bearing device |
| CN103629121A (en) * | 2013-12-12 | 2014-03-12 | 兰州理工大学 | Dynamic axial force testing device for impeller of centrifugal pump |
| CN104500413A (en) * | 2014-11-21 | 2015-04-08 | 江苏大学 | Measuring unit for measuring axial force of submerged pump |
| CN105092129A (en) * | 2015-07-09 | 2015-11-25 | 广东省佛山水泵厂有限公司 | Rotation machine axial force testing apparatus and testing method thereof |
| CN205260355U (en) * | 2015-12-28 | 2016-05-25 | 沈阳鼓风机集团核电泵业有限公司 | Axial force test system of vertical canned motor pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106286379A (en) | 2017-01-04 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Online measuring device and method for pump axial force Effective date of registration: 20190924 Granted publication date: 20190305 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA CANON GENERAL PUMPS CO.,LTD. Registration number: Y2019430000020 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200918 Granted publication date: 20190305 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA CANON GENERAL PUMPS Co.,Ltd. Registration number: Y2019430000020 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: On line measuring device and method of pump axial force Effective date of registration: 20201012 Granted publication date: 20190305 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA CANON GENERAL PUMPS Co.,Ltd. Registration number: Y2020980006720 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230216 Granted publication date: 20190305 Pledgee: Bank of Changsha Limited by Share Ltd. Liuyang branch Pledgor: CHANGSHA CANON GENERAL PUMPS CO.,LTD. Registration number: Y2020980006720 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Device and method for online measurement of pump axial force Effective date of registration: 20230315 Granted publication date: 20190305 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHANGSHA CANON GENERAL PUMPS CO.,LTD. Registration number: Y2023980035014 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190305 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHANGSHA CANON GENERAL PUMPS CO.,LTD. Registration number: Y2023980035014 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Online measurement device and method for pump axial force Granted publication date: 20190305 Pledgee: Changsha Liuyang sub branch of China Everbright Bank Co.,Ltd. Pledgor: CHANGSHA CANON GENERAL PUMPS CO.,LTD. Registration number: Y2024980009963 |