CN109799091A - A kind of measurement method for cylinder roller bearing roller tilted upward swing state - Google Patents
A kind of measurement method for cylinder roller bearing roller tilted upward swing state Download PDFInfo
- Publication number
- CN109799091A CN109799091A CN201910070036.XA CN201910070036A CN109799091A CN 109799091 A CN109799091 A CN 109799091A CN 201910070036 A CN201910070036 A CN 201910070036A CN 109799091 A CN109799091 A CN 109799091A
- Authority
- CN
- China
- Prior art keywords
- roller
- ultrasonic
- ultrasonic sensor
- tilted upward
- roller 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/24—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly
- F16C19/26—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for radial load mainly with a single row of rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
- G01M13/045—Acoustic or vibration analysis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2233/00—Monitoring condition, e.g. temperature, load, vibration
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Acoustics & Sound (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of measurement methods for cylinder roller bearing roller tilted upward swing state, this method by installing two or more ultrasonic sensors along roller length direction in cylinder roller bearing outer ring side by side, by the two or more ultrasonic sensors of synchronous acquisition cylinder roller bearing inner surface and the contact interface of roller ultrasonic reflection signal, calculate separately the reflectivity of each ultrasonic reflection signal, obtain the oil film rigidity of different location, and it is scaled the oil film thickness of corresponding position, tilted upward swing state of roller during real-world operation is determined according to the relative magnitude size of the oil film thickness of two or more ultrasonic sensors measurement, to judge the distribution situation of roller and raceway contact power in bearing roller operating status and its actual moving process, for the differentiation and contact lubrication reason of bearing overall work state Immediate data support is provided by analysis, and then improves the design of the domestic bearing in China, processing and with horizontal.
Description
Technical field
The invention belongs to actual condition lower bearing condition monitoring technical fields, and in particular to one kind is used for cylindrical roller
The measurement method of bearing roller tilted upward swing state.
Background technique
Cylinder roller bearing is due to having many advantages, such as that small coefficient of friction, radial large carrying capacity, rotating accuracy is high answers extensively
For in the large rotating machineries such as aero-engine, bullet train, blower, high-speed machine tool.Its runnability and stability and rolling
Son tilted upward swing state under actual condition is closely related.Internal and external cycle has the radial cylinder roller bearing of rib that can bear
Certain axial load often causes the inclination of roller to a certain extent when it bears axial load.In addition to this, by
In reasons such as installation error, thermal deformation, geometric imperfections, all rolling bearing can be caused to exist in real work operational process
A degree of inclination.This will largely effect on bearing life and job stability, therefore obtain rolling bearing under actual condition and roll
Sub- tilted upward swing state is most important.However there is presently no can effectively measure under actual condition on rolling bearing roller
The measurement method and means of lower inclination swing state, numerous scholars are to simulate axis by establishing rolling bearing kinetic model
Hold actual condition, to emulate bearing in actual condition lower roller tilted upward swing state, due in kinetic model to reality
Border operating condition is greatly simplified, therefore although simulation result has certain reference value, but there are also very big under actual condition
Gap, to cause to judge the distribution situation of roller and raceway contact power in bearing roller operating status and its actual moving process
Inaccuracy in turn results in the inaccuracy of the differentiation to bearing overall work state, therefore obtains the upper of true operating condition lower roller
Lower inclination swing state is very necessary.
Summary of the invention
It is a kind of for cylinder roller bearing roller the purpose of the present invention is in view of the above shortcomings of the prior art, providing
The measurement method of lower inclination swing state,
The present invention adopts the following technical scheme that realize:
A kind of measurement method for cylinder roller bearing roller tilted upward swing state, this method in cylinder by rolling
Sub- bearing outer ring installs two or more ultrasonic sensors along roller length direction side by side, two or more super by synchronous acquisition
Sonic transducer calculates separately each super in the ultrasonic reflection signal of cylinder roller bearing inner surface and the contact interface of roller
The reflectivity of sound reflecting signal obtains the oil film rigidity of different location, and is scaled the oil film thickness of corresponding position, according to two
Or the relative magnitude size of the oil film thickness of multiple ultrasonic sensors measurement determine roller during real-world operation on have a down dip
Oblique swing state.
A further improvement of the present invention lies in that this method specifically includes the following steps:
1) selection of ultrasonic sensor
Ultrasonic sensor selectes focused ultrasonic transducer or miniature normal probe, according to tested cylinder roller bearing model and cylinder
The working speed of roller bearing determines the geometric parameter and running parameter of ultrasonic sensor, the geometric parameter of focused ultrasonic transducer
For focal length and focal diameter, the geometric parameter of miniature normal probe is its wafer diameter, and the focal length of focused ultrasonic transducer is greater than cylinder
The outer ring thickness of roller bearing, the focal diameter of focused ultrasonic transducer match the contact area size of tested cylinder roller bearing；
Running parameter be ultrasonic sensor impulse ejection frequency, the more high required impulse ejection frequency of cylinder roller bearing revolving speed more
Greatly；
2) installation and adjusting of ultrasonic sensor
Cylinder roller bearing outer ring along roller length direction install side by side two or more focused ultrasonic sensors or
Miniature normal probe, probe are fixed on bearing block, and the position of ultrasonic sensor is adjusted by regulating device, guarantee ultrasonic sensor
The contact interface of cylinder roller bearing outer ring and roller is focused on, while guaranteeing the good coupling condition of ultrasonic sensor；
3) measurement of the acquisition of ultrasonic reflection echo-signal and oil film thickness
By ultrasound pulse transmission-reception device, the two or more ultrasonic sensor transmittings of synchronization motivationtheory and reception ultrasound
Signal, static under normal operating condition in cylinder roller bearing, the two or more ultrasonic sensors of synchronous recording reflect signals
Amplitude information, oil film thickness is calculated based on equivalent Rigidity Method；
4) bearing accidental conditions lower roller tilted upward swing state is obtained
The oil film thickness of two or more ultrasonic sensor corresponding positions is obtained by step 3), i.e. roller line connects
The distribution situation for touching oil film thickness on direction is thick according to the oil film of the two or more ultrasonic sensor position measurements of synchronization
Degree size directly reacts the tilted upward swing state of roller.
A further improvement of the present invention lies in that when to guarantee that roller passes through ultrasonic sensor focal zone, being obtained in step 1)
Obtain at least N number of effective ultrasonic reflection echo-signal, the impulse ejection frequency f of ultrasonic sensor1Greater than N*f2, N is greater than 10, f2
Pass through the frequency of ultrasonic sensor focal zone for roller.
A further improvement of the present invention lies in that regulating device is adjusted flat using electric or hand multiple degrees of freedom in step 2)
Platform.
A further improvement of the present invention lies in that choosing water or ultrasonic-detection couplant as ultrasonic sensor in step 2)
Medium between housing washer guarantees good coupling condition between ultrasonic sensor and housing washer.
A further improvement of the present invention lies in that under cylinder roller bearing stationary state, recording ultrasonic sensor in step 3)
The amplitude A of two or more ultrasonic sensors reflection signal when lower section is without rollerr1、Ar2...Ar n, cylinder roller bearing is normal
Under operating condition, the amplitude A of the two or more ultrasonic sensor reflection signals of synchronous recording01、A02...A0n, pass through formula R=
A0i/AriThe ultrasonic reflection rate of corresponding position is calculated, i=1,2 ... n utilize formulaIt is calculated two
Or the profit oil film thickness of multiple ultrasonic sensor corresponding positions, wherein h indicates that oil film thickness, ρ indicate that Media density, c indicate super
Several speed, R indicate ultrasonic reflection rate, and z indicates acoustic impedance, and f indicates supersonic frequency.
A further improvement of the present invention lies in that the tilted upward swing state of roller passes through two in the same time in step 4)
Or the oil film thickness size of multiple ultrasonic sensor position measurements is directly reacted, and remembers the two or more ultrasonic sensors of synchronization
The central mode thickness thickness difference of position measurement is Δ h1、Δh2...Δhn, the centers of two or more ultrasonic sensors is away from for l1、
l2...ln, then upper and lower tilt angle is θi=arcsin (Δ hi/li), to θiIt is averaged to obtain final tilted upward pendulum
Dynamic angle.
A further improvement of the present invention lies in that during due to real-world operation, above and below roller, integral inclined angle is relatively
Small, the tilted upward swing state of roller can be indicated using tilt displacement during actual measurement.
The present invention has following beneficial technical effect:
A kind of measurement method for cylinder roller bearing roller tilted upward swing state provided by the invention, this method
Practicable laboratory facilities are provided for the cylinder roller bearing roller tilted upward swing state detection under actual condition, together
When may be used as the real-time monitoring of rolling bearing roller tilted upward swing state.While realizing function, the present invention is even more
Have a following characteristics: first, to the target cylinder roller bearing working environment of measurement without any particular/special requirement；Second, this hair
In bright measurement, destruction processing will not be carried out to cylinder roller bearing, belong to non-destructive testing, will not influence the dynamic property of roller；
Third: the present invention can monitor cylinder roller bearing roller tilted upward swing state on-line, to judge that cylinder roller bearing rolls
The distribution situation of roller and raceway contact power in sub- operating status and its actual moving process is cylinder roller bearing overall work
The differentiation of state and contact Lubrication Analysis provide immediate data support, and then improve setting for the domestic cylinder roller bearing in China
Meter is processed and uses level, and the present invention also has validity in actual condition.
Detailed description of the invention
Fig. 1 is roller tilted upward swing state measuring principle schematic diagram in this example of the present invention.
Fig. 2 is this example medium-high frequency focused ultrasonic sensor scheme of installation of the present invention.
Fig. 3 is the cross-sectional view of Fig. 2.
Fig. 4 is to determine revolving speed different loads lower roller tilted upward swing state measurement result in this example of the present invention.
Fig. 5 is to determine load different rotating speeds lower roller tilted upward swing state measurement result in this example of the present invention.
Description of symbols:
1 is reflecting piece, and 2 be ultrasonic sensor, and 3 be water, and 4 be cylindrical roller, and 5 be bearing block, and 6 be bracket.
Specific embodiment
The present invention is further described in detail below in conjunction with drawings and examples.
A kind of measurement method for cylinder roller bearing roller tilted upward swing state provided by the invention, including with
Lower step:
(1) selection of ultrasonic sensor
Ultrasonic sensor selectes focused ultrasonic transducer or miniature normal probe, according to tested cylinder roller bearing model and cylinder
The working speed of roller bearing determines the geometric parameter and running parameter of ultrasonic sensor, the geometric parameter of focused ultrasonic transducer
For focal length and focal diameter, the geometric parameter of miniature normal probe is its wafer diameter, and the focal length of focused ultrasonic transducer is greater than cylinder
The outer ring thickness of roller bearing, the focal diameter of focused ultrasonic transducer match the contact area size of tested cylinder roller bearing；
Running parameter be ultrasonic sensor impulse ejection frequency, the more high required impulse ejection frequency of cylinder roller bearing revolving speed more
Greatly.
(2) installation and adjusting of ultrasonic sensor
Cylinder roller bearing outer ring along roller length direction install side by side two or more focused ultrasonic sensors or
Miniature normal probe, probe are fixed on bearing block, are adjusted by regulating device (electric or hand multiple degrees of freedom adjusts platform etc.)
The position of ultrasonic sensor guarantees that ultrasonic sensor focuses on the contact interface of cylinder roller bearing outer ring and roller, protects simultaneously
Demonstrate,prove the good coupling condition of ultrasonic sensor.
(3) measurement of the acquisition of ultrasonic reflection echo-signal and oil film thickness
By ultrasound pulse transmission-reception device, the two or more ultrasonic sensor transmittings of synchronization motivationtheory and reception ultrasound
Signal, static under normal operating condition in cylinder roller bearing respectively, the two or more ultrasonic sensors of synchronous recording reflect
Oil film thickness is calculated based on equivalent Rigidity Method in the amplitude information of signal, and formula is as follows；
Wherein h indicates that oil film thickness, ρ indicate that Media density, c indicate velocity of ultrasonic sound, and R indicates ultrasonic reflection rate, z expression sound
Impedance, f indicate supersonic frequency.
(4) rolling bearing accidental conditions lower roller tilted upward swing state is obtained
The oil film thickness of two or more ultrasonic sensor corresponding positions, i.e. roller line are obtained by step (3)
The distribution situation for contacting oil film thickness on direction, according to the oil film of the two or more ultrasonic sensor position measurements of synchronization
Thickness size directly reacts the tilted upward swing state of roller.Assuming that two or more ultrasonic sensor spacing are l1、
l2...ln, measuring center film thickness thickness difference is Δ hm1、Δhm2...Δhmn, then tilted upward swing angle are as follows:
θi=arcsin (Δ hmi/li) (i=1,2,3 ... .n) (2)
Tilted upward angle of oscillation is averaged to obtain actual condition lower roller tilted upward swing state, due to generally surveying
The center film thickness difference measured causes the tilt angle of conversion very small less than 1 micron, therefore can directly use the mean value of film thickness difference
To react the tilted upward swing state of rolling bearing actual condition lower roller.
Embodiment:
Referring to Fig. 1, schematic diagram is swung for this example cylinder roller bearing roller tilted upward of the present invention, rolling bearing is in reality
A degree of inclination can occur for roller in the course of work.
It referring to figs. 2 and 3, is this example ultrasonic sensor scheme of installation of the present invention, wherein 1 is reflecting piece, and 2 be ultrasound
Sensor, 3 be water, and 4 be cylindrical roller, and 5 be bearing block, and 6 be bracket.Under good coupling condition, two ultrasonic sensors
It is mounted on the position right above bearing outer ring side by side along roller length direction.It is measured side by side using dual probe, is based on equivalent stiffness
Method, oil film thickness h and ultrasonic signal reflectivity R and incident ultrasound frequency f can simplify as the functional relation of formula (1).Pass through height
Frequency focused ultrasonic sensor obtains the reflectivity R of ultrasonic signal, and then the corresponding oil film thickness h of R is calculated.
Wherein h indicates that oil film thickness, ρ indicate that Media density, c indicate velocity of ultrasonic sound, and R indicates ultrasonic reflection rate, z expression sound
Impedance, f indicate supersonic frequency.
Dual probe measures roller oil film thickness side by side, determines rolling according to the relative magnitude size of two probe positional measurements
Sub- tilted upward swing state.The tilted upward swing state of roller mainly contacted along Bearing inner by roller direction by
Caused by power is uneven, therefore, it can directly be reflected by the oil film thickness size of two probe position measurements in the same time.Referring to figure
Shown in 2, it is assumed that two probe spacing are l, and measuring center film thickness thickness difference is Δ hm,
Then tilted upward swing angle are as follows:
θ=arcsin (Δ hm/l) (2)
Fig. 4 is participated in, is in this example of the present invention centainly under revolving speed, two fixed points on the roller measured under two kinds of different loads
Tilt displacement, it can be seen from the figure that the timing of revolving speed one, with the increase of load, the tilted upward for limiting roller is swung,
It is relatively small to tilt.
Fig. 5 is participated in, is in this example of the present invention centainly under load, two fixed points on the roller measured under two kinds of different rotating speeds
Tilted upward swing displacement, due to revolving speed increase, vibration increase, so tilted upward swing displacement with the increase of revolving speed and
Increase.
In addition, roller tilted upward swing state is obtained by two or more ultrasonic sensor metrical informations,
Embodiment used in the present invention is to be illustrated according to two ultrasonic sensors, but the present invention is not only applicable to two ultrasounds
Sensor measurement is equally applicable to multiple (being greater than two) ultrasonic sensors and measures.
Claims (8)
1. a kind of measurement method for cylinder roller bearing roller tilted upward swing state, which is characterized in that this method is logical
It crosses and two or more ultrasonic sensors is installed side by side along roller length direction in cylinder roller bearing outer ring, pass through synchronous acquisition two
Ultrasonic reflection signal of a or multiple ultrasonic sensors in cylinder roller bearing inner surface and the contact interface of roller, difference
The reflectivity for calculating each ultrasonic reflection signal obtains the oil film rigidity of different location, and the oil film for being scaled corresponding position is thick
Degree determines roller in real-world operation process according to the relative magnitude size of the oil film thickness of two or more ultrasonic sensors measurement
In tilted upward swing state.
2. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 1,
It is characterized in that, this method specifically includes the following steps:
1) selection of ultrasonic sensor
Ultrasonic sensor selectes focused ultrasonic transducer or miniature normal probe, according to tested cylinder roller bearing model and cylindrical roller
The working speed of bearing determines that the geometric parameter and running parameter of ultrasonic sensor, the geometric parameter of focused ultrasonic transducer are coke
Away from and focal diameter, the geometric parameter of miniature normal probe be its wafer diameter, the focal length of focused ultrasonic transducer is greater than cylindrical roller
The outer ring thickness of bearing, the focal diameter of focused ultrasonic transducer match the contact area size of tested cylinder roller bearing；Work
Parameter is the impulse ejection frequency of ultrasonic sensor, and the more high required impulse ejection frequency of cylinder roller bearing revolving speed is bigger；
2) installation and adjusting of ultrasonic sensor
Two or more focused ultrasonic sensors or miniature are installed side by side along roller length direction in cylinder roller bearing outer ring
Normal probe, probe are fixed on bearing block, and the position of ultrasonic sensor is adjusted by regulating device, guarantee that ultrasonic sensor focuses
Contact interface in cylinder roller bearing outer ring and roller, while guaranteeing the good coupling condition of ultrasonic sensor；
3) measurement of the acquisition of ultrasonic reflection echo-signal and oil film thickness
By ultrasound pulse transmission-reception device, the two or more ultrasonic sensor transmittings of synchronization motivationtheory and reception ultrasonic signal,
Static under normal operating condition in cylinder roller bearing, the two or more ultrasonic sensors of synchronous recording reflect the amplitude of signals
Oil film thickness is calculated based on equivalent Rigidity Method in information；
4) bearing accidental conditions lower roller tilted upward swing state is obtained
The oil film thickness of two or more ultrasonic sensor corresponding positions, i.e. roller line contact side are obtained by step 3)
The distribution situation of upward oil film thickness, the oil film thickness according to the two or more ultrasonic sensor position measurements of synchronization are big
The small tilted upward swing state for directly reacting roller.
3. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 2,
It is characterized in that, when to guarantee that roller passes through ultrasonic sensor focal zone, it is anti-to obtain at least N number of effective ultrasound in step 1)
Penetrate echo-signal, the impulse ejection frequency f of ultrasonic sensor1Greater than N*f2, N is greater than 10, f2Pass through ultrasonic sensor for roller
The frequency of focal zone.
4. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 2,
It is characterized in that, regulating device adjusts platform using electric or hand multiple degrees of freedom in step 2).
5. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 2,
It is characterized in that, choosing water or ultrasonic-detection couplant as between ultrasonic sensor and housing washer in step 2)
Medium guarantees good coupling condition between ultrasonic sensor and housing washer.
6. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 2,
It is characterized in that, in step 3), under cylinder roller bearing stationary state, two when below record ultrasonic sensor without roller or
The amplitude A of multiple ultrasonic sensor reflection signalsr1、Ar2...Arn, under cylinder roller bearing accidental conditions, synchronous recording two
The amplitude A of a or multiple ultrasonic sensor reflection signals01、A02...A0n, pass through formula R=A0i/AriCalculate corresponding position
Ultrasonic reflection rate, i=1,2 ... n utilize formulaTwo or more ultrasonic sensors are calculated and correspond to position
The profit oil film thickness set, wherein h indicates that oil film thickness, ρ indicate that Media density, c indicate velocity of ultrasonic sound, and R indicates ultrasonic reflection rate,
Z indicates acoustic impedance, and f indicates supersonic frequency.
7. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 6,
It is characterized in that, the tilted upward swing state of roller passes through two or more ultrasonic sensor positions in the same time in step 4)
The oil film thickness size of measurement is directly reacted, and the central mode of the two or more ultrasonic sensor position measurements of note synchronization is thick
Degree difference is Δ h1、Δh2...Δhn, the centers of two or more ultrasonic sensors is away from for l1、l2...ln, then above and below inclination angle
Degree is θi=arcsin (Δ hi/li), to θiIt is averaged to obtain final tilted upward swing angle.
8. a kind of measurement method for cylinder roller bearing roller tilted upward swing state according to claim 7,
It is characterized in that, integral inclined angle is relatively small above and below roller during due to real-world operation, roller during actual measurement
Tilted upward swing state can be indicated using tilt displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070036.XA CN109799091A (en) | 2019-01-24 | 2019-01-24 | A kind of measurement method for cylinder roller bearing roller tilted upward swing state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910070036.XA CN109799091A (en) | 2019-01-24 | 2019-01-24 | A kind of measurement method for cylinder roller bearing roller tilted upward swing state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109799091A true CN109799091A (en) | 2019-05-24 |
Family
ID=66560412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910070036.XA Pending CN109799091A (en) | 2019-01-24 | 2019-01-24 | A kind of measurement method for cylinder roller bearing roller tilted upward swing state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109799091A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231172A (en) * | 2019-06-21 | 2019-09-13 | 洛阳Lyc轴承有限公司 | The detection method of tapered roller bearing internal ring and roller ball base surface contact area |
| CN112697434A (en) * | 2021-01-19 | 2021-04-23 | 深圳市玄羽科技有限公司 | Bearing fault detection method and system for intelligent spindle |
| EP3916251A1 (en) * | 2020-05-27 | 2021-12-01 | Flender GmbH | Ultrasound based sensor arrangement, monitoring method, sensor system, slide bearing arrangement and transmission |
| CN114166508A (en) * | 2021-12-09 | 2022-03-11 | 中国铁建重工集团股份有限公司 | Method for acquiring load distribution state of multi-row roller turntable bearing in real time |
| CN114371006A (en) * | 2021-12-24 | 2022-04-19 | 中国科学院苏州生物医学工程技术研究所 | Bearing dynamic monitoring method, device, storage medium and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214810A (en) * | 2002-01-17 | 2003-07-30 | Nsk Ltd | Measuring device and method for oil film |
| CN102564329A (en) * | 2011-12-31 | 2012-07-11 | 青岛理工大学 | Lubricating oil film measuring device for fixed skew and deflection angle limited long line contact pair |
| CN102589489A (en) * | 2012-02-09 | 2012-07-18 | 西安交通大学 | Detection method of lubricating oil film thickness distribution of cylindrical roller bearing |
-
2019
- 2019-01-24 CN CN201910070036.XA patent/CN109799091A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003214810A (en) * | 2002-01-17 | 2003-07-30 | Nsk Ltd | Measuring device and method for oil film |
| CN102564329A (en) * | 2011-12-31 | 2012-07-11 | 青岛理工大学 | Lubricating oil film measuring device for fixed skew and deflection angle limited long line contact pair |
| CN102589489A (en) * | 2012-02-09 | 2012-07-18 | 西安交通大学 | Detection method of lubricating oil film thickness distribution of cylindrical roller bearing |
Non-Patent Citations (2)
| Title |
|---|
| 刘晓玲等: "滚子歪斜对滚子副润滑性能的影响", 《润滑与密封》 * |
| 许聪等: "超声法测量圆柱滚子轴承润滑油膜厚度", 《西安交通大学学报》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231172A (en) * | 2019-06-21 | 2019-09-13 | 洛阳Lyc轴承有限公司 | The detection method of tapered roller bearing internal ring and roller ball base surface contact area |
| CN110231172B (en) * | 2019-06-21 | 2021-08-17 | 洛阳Lyc轴承有限公司 | Method for detecting surface contact area between inner ring of tapered roller bearing and roller ball base surface |
| EP3916251A1 (en) * | 2020-05-27 | 2021-12-01 | Flender GmbH | Ultrasound based sensor arrangement, monitoring method, sensor system, slide bearing arrangement and transmission |
| CN112697434A (en) * | 2021-01-19 | 2021-04-23 | 深圳市玄羽科技有限公司 | Bearing fault detection method and system for intelligent spindle |
| CN114166508A (en) * | 2021-12-09 | 2022-03-11 | 中国铁建重工集团股份有限公司 | Method for acquiring load distribution state of multi-row roller turntable bearing in real time |
| CN114371006A (en) * | 2021-12-24 | 2022-04-19 | 中国科学院苏州生物医学工程技术研究所 | Bearing dynamic monitoring method, device, storage medium and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109799091A (en) | A kind of measurement method for cylinder roller bearing roller tilted upward swing state | |
| Rogers | The application of vibration signature analysis and acoustic emission source location to on-line condition monitoring of anti-friction bearings | |
| US5154080A (en) | Integrated check valve testing system | |
| CN109752185B (en) | Method for measuring left-right skew swinging state of rolling bearing roller | |
| US20120055252A1 (en) | Method and device for non-destructive material testing of a test object using ultrasonic waves | |
| CN100385225C (en) | Multifunction sliding bearing experimental platform | |
| JP2824523B2 (en) | Method and apparatus for measuring fatigue of vibrating member | |
| JP4440129B2 (en) | Calibration curve acquisition method | |
| CN102589489A (en) | Detection method of lubricating oil film thickness distribution of cylindrical roller bearing | |
| JP4332531B2 (en) | Method for obtaining film thickness calibration curve | |
| CN211599308U (en) | Sliding bearing system capable of monitoring oil film thickness on line | |
| US8296084B1 (en) | Non-contact, focused, ultrasonic probes for vibrometry, gauging, condition monitoring and feedback control of robots | |
| CN108488221A (en) | Sliding bearing with oil film thickness sensor and its lubricating method | |
| CN111751031A (en) | Ultrasonic testing device and testing method for service stress of dynamic mechanical component | |
| CN111024813B (en) | Ultrasonic detection method for judging lubricating state of rolling bearing under actual working condition | |
| CN111693280B (en) | Pneumatic bearing rotating speed measuring device and measuring method | |
| JPH01291135A (en) | Measuring method for contact stress between rolling body of rolling bearing and track | |
| US20230273158A1 (en) | Ultrasonic method and system for simultaneously measuring lubrication film thickness and liner wear of sliding bearing | |
| CN109737901B (en) | Method for solving insufficient spatial resolution of ultrasonic film thickness measurement of cylindrical roller bearing | |
| Li et al. | Ultrasound measurement of lubricant-film thickness distribution in cylindrical roller bearings | |
| JP4284762B2 (en) | Evaluation method of sliding member for highly reliable toroidal continuously variable transmission | |
| CN103033257B (en) | Measuring method for vibration state of antifriction bearing | |
| CN110196285A (en) | A kind of large ring multi-panel array ultrasonic automatic detection device and method | |
| CN208902084U (en) | A kind of detection device of super large type bearing ring outer diameter | |
| CN114136482B (en) | Ultrasonic and temperature coupled rolling bearing outer ring raceway surface temperature measuring method |
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: 20190524 |
|
| RJ01 | Rejection of invention patent application after publication |