CN1793816A - Multifunction sliding bearing experimental platform - Google Patents
Multifunction sliding bearing experimental platform Download PDFInfo
- Publication number
- CN1793816A CN1793816A CNA2005100973399A CN200510097339A CN1793816A CN 1793816 A CN1793816 A CN 1793816A CN A2005100973399 A CNA2005100973399 A CN A2005100973399A CN 200510097339 A CN200510097339 A CN 200510097339A CN 1793816 A CN1793816 A CN 1793816A
- Authority
- CN
- China
- Prior art keywords
- bearing
- measured
- load
- section
- sliding bearing
- 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.)
- Granted
Links
Images
Landscapes
- Sliding-Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
A test - bed of multifunction sliding bearing is composed of mechanical driving unit including motor driving main shaft being supported by bearing and tested bearing at its two ends and being exerted load on main shaft center through load controller as well as being set with lubricant oil circulation loop; signal test system including transducer, secondary instrument and data collecting - analyzing - displaying unit for measuring and calculating performance parameter of sliding bearing at any moment and for displaying quantitative result in graphic form.
Description
Technical field:
The present invention relates to sliding bearing experimental platform, more specifically say so an axle and bearing as a system, can quantitatively show interactional sliding bearing experimental platform between the different mechanical behaviors, particularly interactional testing table between Zhou rigidity (distortion) and kinetics function and the sliding bearing lubricating performance.
Background technology:
Sliding bearing is to use general, the most basic supporting-drivetrain components in the various mechanical hook-ups, and it has a direct impact mechanical hook-up working condition, reliability and permanance.By the test of sliding bearing, can under actual operating conditions, test, evaluate the performance of sliding bearing, the influence of research various factors.
The existing glide bearing test-bed is generally all only tested at the sliding bearing single part, can not carry out the sliding bear experiment under other mechanical behavior influence.But in engineering reality, sliding bearing and axle generally occur simultaneously with the form of friction pair system, and sliding bearing is not independently during work, exists between axle and the sliding bearing to interknit, interact.For example, in axle-plain bearing unit, can produce distortion when axle is subjected to loading, cause axle journal in the dead eye medium dip, because the gap of sliding bearing is very little, it will greatly influence the lubricated and duty of sliding bearing.Therefore, for the test findings that makes sliding bearing approaches reality more, should consider the effect that influences each other between the different mechanical behaviors of axle-plain bearing unit in the sliding bear experiment.Do not see both at home and abroad at present and consider interactional sliding bearing experimental platform between the different mechanical behaviors of axle-bearing arrangement.
Summary of the invention:
The present invention is for avoiding the existing weak point of above-mentioned existing sliding bearing experimental platform, a kind of multifunction sliding bearing experimental platform is provided, can consider interactional sliding bear experiment between the different mechanical behaviors of axle-bearing arrangement, particularly Zhou rigidity (distortion) and kinetics function be to the test of sliding bearing lubricating influence, makes the situation of sliding bear experiment and the result more can be near actual.
The technical scheme that technical solution problem of the present invention is adopted is:
The present invention is made up of mechanical driving part and signal test system;
Design feature of the present invention is:
Described mechanical driving part setting is by electric motor driven main shaft, and the two ends of main shaft are by bearing and measured bearing supporting, and bearing and measured bearing are installed in the coaxial aperture of casing; The load that is produced by load controller puts on the central authorities or the both sides of main shaft, and load is static load or is dynamic loading, but size and frequency randomly changing; The lubrication oil circulation loop is: lubricating oil is through the electric pump station oil feed pump, again through bearing oil supplying hole injection bearing, be back to the electric pump station fuel tank again;
Described signal test system is by sensor, secondary instrument and data collection and analysis display system constitute, two measured sections are set at the two ends of measured bearing, comprise cross section I and cross section II, two measured sections are equal to the distance in bearing central authorities cross section, on two measured sections, be positioned at the pressure transducer that is provided for recording correspondence position head bearing oil film pressure on the orthogonal position respectively, be used to measure the displacement transducer of correspondence position Lubrication Film Thickness, and be provided for measuring the temperature sensor of two measured section top chock hole surface oil film temperature, and the Hall corner speed probe that is used to determine to act on the load effect orientation along the circumferential direction on the axle and measures the speed of mainshaft, measured section I and measured section II go up corresponding measured position and are on the same bus.
Axle will produce distortion under loading, thereby cause axle journal in the sliding bearing medium dip, the rigidity (distortion) of generation main shaft and kinetics function are to the effect that influences of bearing, and control by computing machine, can randomly changing changes such as size and change frequency act on magnitude of load on the axle, change the deflection of axle, thereby change the size of axle journal in the bearing medium dip.
By the oil film thickness of the corresponding position of displacement sensor, obtain the shaft core position on these two measured sections through converting, to determine the pitch angle of axle journal in bearing; Hall corner speed probe be used to determine to act on the axle load along the circumferential direction the effect orientation and the rotating speed of measurement axis.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention's handle axle and sliding bearing can quantitatively show influencing each other between the different mechanical behaviors, particularly influencing each other between Zhou rigidity (distortion) and kinetics function and the sliding bearing lubricating performance as a system.
2, the present invention produces load by load controller, by computer control can randomly changing load size and change frequency etc.
3, adopts pressure sensor of the present invention is directly measured the oil film pressure of sliding bearing.
4, data collection and analysis display system of the present invention may operate on the NT operating platform, it collects signals collecting, filtering, A/D conversion, data analysis and is shown in one in real time, oil film pressure, oil film thickness, oil film temperature, shaft core position and the parameters such as pitch angle of axle journal in bearing of the sliding bearing of measurements and calculations arbitrary instantaneous (or corner) simultaneously, and with the quantitative display result of diagrammatic form.
5, the present invention can carry out the sliding bear experiment under the lubricated wet goods situation of different bearing widths, bearing clearance and variety classes.
6, the present invention can be widely used in the sliding bear experiment that carries out in the teaching and scientific research.
The important technological parameters of this multifunction sliding bearing experimental platform is as follows:
(1) bearing diameter: 30～60mm;
(2) bearing width: 30～60mm;
(3) rotating speed: 0～5000r/min;
(4) load: 0～3000N;
(5) measure temperature: 0～200 ℃;
(6) gaging pressure: 0～10MPa.
Description of drawings:
Fig. 1 is the structural representation of mechanical driving part of the present invention.
Fig. 2 is a signal test system principle schematic of the present invention.
Fig. 3 is a measured section synoptic diagram of the present invention.
Fig. 4 is another measured section sensing station distribution schematic diagram of the present invention.
Number in the figure: 1 frequency converter, 2 motor, 3 shaft couplings, 4 bearings, 5 measured bearings, 6 load, 7 load controllers, 8 main shafts, 9 casings, 10 pressure transducer I-1,11-pressure transducer II-1,12 pressure transducer I-2,13 pressure transducer II-2,14 displacement transducer I-1,15 displacement transducer II-1,16 displacement transducer I-2,17 displacement transducer II-2,18 thermopair I, 19 thermopair II, 20 corner speed probes.
Below by embodiment the present invention is further described:
Embodiment:
As shown in Figure 1, motor 2 provides the rotating speed of 0～5000r/min, and by 8 rotations of shaft coupling 3 drive shaft, rotating speed is regulated by frequency converter 1.The two ends of main shaft 8 are by bearing 4 and measured bearing 5 supportings, and bearing 4 and measured bearing 5 are installed in the coaxial aperture of casing 9; Load 6 produces by load controller 7, put on the central authorities or the both sides of main shaft 8, the rigidity (distortion) of generation main shaft and kinetics function are to the effect that influences of sliding bearing, load can also can be dynamic loading for static load, load is by computer control, can the randomly changing size and change frequency etc.; Lubricating oil is supplied with by electric pump station, and lubricating oil is through the electric pump station oil feed pump, again through bearing oil supplying hole injection bearing, be back to the electric pump station fuel tank again.
Shown in Fig. 2,3 and 4, signal test system is made of sensor, secondary instrument and data collection and analysis display system.Two measured sections are set at the two ends of measured bearing 5, comprise cross section I and cross section II, two measured sections are equal to the distance in bearing central authorities cross section, on two measured sections, be positioned at the pressure transducer 10,11,12 and 13 that is provided for recording correspondence position head bearing oil film pressure on the orthogonal position respectively, be used to measure the displacement transducer 14,15,16 and 17 of correspondence position Lubrication Film Thickness; And be provided for measuring near the temperature sensor 18 and 19 of oil film temperature two measured section top chock hole surfaces, and be used to determine to act on the load effect orientation along the circumferential direction and the Hall corner speed probe 20 of the rotating speed of measurement axis on the axle.
The data collection and analysis display system operates on the NT operating platform, collect signals collecting, filtering, A/D conversion, data analysis and be shown in one in real time, measure oil film pressure, oil film thickness, oil film temperature, shaft core position and the parameters such as pitch angle of axle journal in bearing of arbitrary instantaneous (or corner) sliding bearing simultaneously, and with the quantitative display result of diagrammatic form.
1. the measurement of oil film pressure
Utilize pressure transducer I-1, I-2, II-1, II-2 directly to measure.
2. the measurement of oil film thickness
Utilize displacement transducer I-1, I-2, II-1, II-2 directly to measure.
3. the measurement of oil film temperature
Utilize temperature sensor I and temperature sensor II directly to measure.
4. the measurement of shaft core position on the measured section
By being installed in displacement transducer 14 and 16 or 15 and 17 oil film thicknesses of measuring that are positioned at mutual upright position on two cross section I-I of bearing shown in Figure 3 and the II-II respectively, through calculating the shaft core position on these two cross sections.
As shown in Figure 5, for a certain cross section of bearing, be respectively h if be installed in the oil film thickness of the displacement sensor on bearing coordinate axis x and the z
xAnd h
z, then the coordinate x of shaft core position and z can calculate with following formula.
x＝R
b-h
x-R
j＝c-h
x
z＝-(R
b-h
z-R
j)＝-(c-h
z)
In the formula: R
b---the bearing radius
R
j---the axle journal radius
C---bearing radius clearance
5. the measurement at journal misalignment angle
Determine the position coordinates of axle journal axle center on two cross section I-I of bearing and II-II according to top method, as using (x respectively
1, z
1) and (x
2, z
2) expression, then journal misalignment angle γ adopts following formula to calculate
γ＝arctg(e′/L′)
In the formula: L '---the distance between cross section I-I and the II-II
E '---axle journal axis between cross section I-I and the II-II bearing shaft to projected length
Δx＝x
2-x
1
Δz＝z
2-z
1
Claims (1)
1, multifunction sliding bearing experimental platform is made up of mechanical driving part and signal test system; It is characterized in that:
The main shaft (8) that described mechanical driving part setting is driven by motor (2), the two ends of main shaft (8) are by bearing (4) and measured bearing (5) supporting, and bearing (4) and measured bearing (5) are installed in the coaxial aperture of casing (9); The load (6) that is produced by load controller (7) puts on the central authorities or the both sides of main shaft (8), and load is static load or is dynamic loading, but size and frequency randomly changing; The lubrication oil circulation loop is: lubricating oil is through the electric pump station oil feed pump, again through bearing oil supplying hole injection bearing, be back to the electric pump station fuel tank again;
Described signal test system is by sensor, secondary instrument and data collection and analysis display system constitute, at the two ends of measured bearing (5) two measured sections are set, comprise cross section I and cross section II, two measured sections are equal to the distance in bearing central authorities cross section, on two measured sections, be positioned at the pressure transducer (10 that is provided for recording correspondence position head bearing oil film pressure on the orthogonal position respectively, 11,12,13), be used to measure the displacement transducer (14 of correspondence position Lubrication Film Thickness, 15,16,17), and be provided for measuring the temperature sensor (18 of two measured section top chock hole surface oil film temperature, 19), and the Hall corner speed probe (20) that is used to determine to act on the load effect orientation along the circumferential direction on the axle and measures the speed of mainshaft, measured section I and measured section II go up corresponding measured position and are on the same bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100973399A CN100385225C (en) | 2005-12-30 | 2005-12-30 | Multifunction sliding bearing experimental platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100973399A CN100385225C (en) | 2005-12-30 | 2005-12-30 | Multifunction sliding bearing experimental platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793816A true CN1793816A (en) | 2006-06-28 |
| CN100385225C CN100385225C (en) | 2008-04-30 |
Family
ID=36805388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100973399A Expired - Fee Related CN100385225C (en) | 2005-12-30 | 2005-12-30 | Multifunction sliding bearing experimental platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100385225C (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721503A (en) * | 2012-05-16 | 2012-10-10 | 上海交通大学 | Method for measuring dynamic oil film pressure distribution of sliding bearing in real time |
| CN102937488A (en) * | 2012-11-19 | 2013-02-20 | 上海交通大学 | Real-time measuring device and method capable of measuring dynamic oil membrane pressure distribution and temperature of tilting-pad sliding bearings |
| CN103543014A (en) * | 2013-10-28 | 2014-01-29 | 哈尔滨电机厂有限责任公司 | Tubular turbine generator set radial bearing state monitoring system |
| CN103728136A (en) * | 2014-01-14 | 2014-04-16 | 中国舰船研究设计中心 | Online measuring method for radial sliding bearing oil film dynamic stiffness |
| CN104006969A (en) * | 2014-06-13 | 2014-08-27 | 江南阀门有限公司 | Online automatic-detection sliding bearing fault early-warning system and expansion amount measurement method |
| CN104089776A (en) * | 2014-07-23 | 2014-10-08 | 安徽工程大学 | Testing device for measuring rolling bearing force and deformation relation |
| CN106840678A (en) * | 2017-04-10 | 2017-06-13 | 合肥工业大学 | A kind of bush(ing) bearing it is comprehensive performance test bed |
| CN107103821A (en) * | 2017-07-05 | 2017-08-29 | 石河子大学 | A kind of one-dimensional Reynolds equation experimental provision of fluid and its experimental method |
| CN107631876A (en) * | 2017-08-08 | 2018-01-26 | 中国船舶重工集团公司第七〇九研究所 | One kind is used for dynamic loading properties of journal bearing lubricated lubrication friction property test platform |
| CN108131202A (en) * | 2017-11-20 | 2018-06-08 | 北京动力机械研究所 | A kind of fanjet lubricating system exerciser |
| CN108645617A (en) * | 2018-06-20 | 2018-10-12 | 广西科技大学 | A kind of rotor with Form and position error is to sliding bearing work influence analog detection method |
| CN110398367A (en) * | 2019-07-03 | 2019-11-01 | 国电科学技术研究院有限公司 | For measuring the measuring device of sliding bearing coefficient of dynamics |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062686B (en) * | 2010-12-10 | 2012-07-04 | 西安交通大学 | Method for testing dynamic characteristics of lubricating film of sliding bearing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5674631A (en) * | 1979-11-26 | 1981-06-20 | Hitachi Ltd | Abnormality diagnostic method of journal bearing |
| JPS56154640A (en) * | 1980-05-02 | 1981-11-30 | Hitachi Ltd | Method for monitoring bearing |
| JPS5742836A (en) * | 1980-08-27 | 1982-03-10 | Hitachi Ltd | Monitoring method for bearing |
| JPS5782742A (en) * | 1980-11-13 | 1982-05-24 | Hitachi Ltd | Monitoring device for bearing |
| JPS58615A (en) * | 1981-06-24 | 1983-01-05 | Hitachi Ltd | Method of monitoring bearing |
| CN2876752Y (en) * | 2005-12-30 | 2007-03-07 | 合肥工业大学 | Multifunctional testing table for sliding bearing |
-
2005
- 2005-12-30 CN CNB2005100973399A patent/CN100385225C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102721503B (en) * | 2012-05-16 | 2014-08-06 | 上海交通大学 | Method for measuring dynamic oil film pressure distribution of sliding bearing in real time |
| CN102721503A (en) * | 2012-05-16 | 2012-10-10 | 上海交通大学 | Method for measuring dynamic oil film pressure distribution of sliding bearing in real time |
| CN102937488A (en) * | 2012-11-19 | 2013-02-20 | 上海交通大学 | Real-time measuring device and method capable of measuring dynamic oil membrane pressure distribution and temperature of tilting-pad sliding bearings |
| CN103543014B (en) * | 2013-10-28 | 2015-11-18 | 哈尔滨电机厂有限责任公司 | Axial-flow hydrogenerator group transverse bearing condition monitoring system |
| CN103543014A (en) * | 2013-10-28 | 2014-01-29 | 哈尔滨电机厂有限责任公司 | Tubular turbine generator set radial bearing state monitoring system |
| CN103728136B (en) * | 2014-01-14 | 2016-04-06 | 中国舰船研究设计中心 | Bush(ing) bearing oil film dynamic stiffness on-line testing method |
| CN103728136A (en) * | 2014-01-14 | 2014-04-16 | 中国舰船研究设计中心 | Online measuring method for radial sliding bearing oil film dynamic stiffness |
| CN104006969A (en) * | 2014-06-13 | 2014-08-27 | 江南阀门有限公司 | Online automatic-detection sliding bearing fault early-warning system and expansion amount measurement method |
| CN104006969B (en) * | 2014-06-13 | 2015-06-24 | 江南阀门有限公司 | Online automatic-detection sliding bearing fault early-warning system and expansion amount measurement method |
| CN104089776B (en) * | 2014-07-23 | 2017-01-11 | 安徽工程大学 | Testing device for measuring rolling bearing force and deformation relation |
| CN104089776A (en) * | 2014-07-23 | 2014-10-08 | 安徽工程大学 | Testing device for measuring rolling bearing force and deformation relation |
| CN106840678A (en) * | 2017-04-10 | 2017-06-13 | 合肥工业大学 | A kind of bush(ing) bearing it is comprehensive performance test bed |
| CN107103821A (en) * | 2017-07-05 | 2017-08-29 | 石河子大学 | A kind of one-dimensional Reynolds equation experimental provision of fluid and its experimental method |
| CN107631876A (en) * | 2017-08-08 | 2018-01-26 | 中国船舶重工集团公司第七〇九研究所 | One kind is used for dynamic loading properties of journal bearing lubricated lubrication friction property test platform |
| CN108131202A (en) * | 2017-11-20 | 2018-06-08 | 北京动力机械研究所 | A kind of fanjet lubricating system exerciser |
| CN108645617A (en) * | 2018-06-20 | 2018-10-12 | 广西科技大学 | A kind of rotor with Form and position error is to sliding bearing work influence analog detection method |
| CN110398367A (en) * | 2019-07-03 | 2019-11-01 | 国电科学技术研究院有限公司 | For measuring the measuring device of sliding bearing coefficient of dynamics |
| CN110398367B (en) * | 2019-07-03 | 2021-06-11 | 国家能源集团科学技术研究院有限公司 | Measuring device for measuring dynamic coefficient of sliding bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100385225C (en) | 2008-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1793816A (en) | Multifunction sliding bearing experimental platform | |
| CN2876752Y (en) | Multifunctional testing table for sliding bearing | |
| CN203231962U (en) | End twist friction and abrasion tester for dynamically observing friction interface in real time | |
| CN103134671B (en) | Rolling linear guideway rated dynamic load and service life testing device | |
| CN101344457B (en) | Non-contact type magnetic coupling dynamic test apparatus and method for high speed principal shaft | |
| CN102175598B (en) | End face torsion frictional wear testing machine and method | |
| CN201974359U (en) | End-surface twisting friction-wear testing machine | |
| CN101339112B (en) | Machine tool guiding rail friction wear testing machine | |
| CN102944512A (en) | Test machine and test method for real-time and dynamic observation of end surface torsion friction and abrasion of friction interface | |
| CN106813922A (en) | Dynamic transmission error of gear measuring method and measurement apparatus | |
| CN107238497B (en) | Horizontal reciprocating rotary speed reducer product comprehensive test testboard | |
| CN101339113A (en) | Machine tool main shaft axle journal shaft bushing friction performance test machine | |
| CN105784354B (en) | Automotive mechanical transmission transmission error comprehensive test device and method | |
| CN106813999A (en) | A kind of portable friction abrasion test device | |
| CN109186473A (en) | Sliding rolling operating condition lower roller friction secondary oil film thickness and oil film co-moving coordinate test device | |
| CN110542556A (en) | Tilting pad sliding bearing test box, test bench and test method | |
| CN112881012A (en) | Speed reducer detection device | |
| CN201251536Y (en) | Journal and bushing friction and wear property tester of machine tool spindle | |
| CN210487269U (en) | Tilting pad sliding bearing test box and test bench | |
| CN205941401U (en) | Curved surface part surface profile harms analytical equipment | |
| CN101957271B (en) | High-speed large-displacement servo loading test platform | |
| CN110243711A (en) | A kind of constant speed formula frictional wear experiment data measuring method and testing machine | |
| CN108414218B (en) | Double-face meshing measurement method for 90-degree crossed-axis angle small-modulus bevel gear pair | |
| CN114720127A (en) | Roller wear fatigue life all-in-one under complicated operating mode | |
| CN108036947A (en) | A kind of bearing test device for applying radially alternating load |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20101230 |