CN108168889A - A kind of temperature field measuring apparatus and method of rolling bearing experiment - Google Patents
A kind of temperature field measuring apparatus and method of rolling bearing experiment Download PDFInfo
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- CN108168889A CN108168889A CN201810121133.2A CN201810121133A CN108168889A CN 108168889 A CN108168889 A CN 108168889A CN 201810121133 A CN201810121133 A CN 201810121133A CN 108168889 A CN108168889 A CN 108168889A
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- imaging system
- thermal imaging
- bearing
- temperature
- end cap
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/04—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies
- G01K13/08—Thermometers specially adapted for specific purposes for measuring temperature of moving solid bodies in rotary movement
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- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides the temperature field measuring apparatus and method of a kind of experiment of rolling bearing, belong to bearing temperature fields of measurement.The technology specifically comprises the steps of：After motor and thermal imaging system starting up preheat and stablize, test bearing is started to work, its rotating speed and axial load is gradually increased until close to actual condition；Servo motor is controlled thermal imaging system can be driven to be pivoted with slow rotation, obtain the temperature of test bearing retainer or rolling element and test bearing outer ring；By the location information of code-disc read test bearing, the real time position of thermal imaging system can be obtained by calculation, the temperature information and the location information of thermal imaging system that thermal imaging system measures correspond, and have just obtained the thermo parameters method situation on test bearing surface.The present invention is reduces influence of the lubricating oil to measurement accuracy as possible, and in measuring temperature of bearing area, attachment sets germanite glass, and under the premise of oil lubrication effect is not influenced, design purging module dispels the mist of oil to splash at random, improves the precision of non-contact testing.
Description
Technical field
The present invention relates to the temperature field measuring apparatus and method of a kind of experiment of rolling bearing, belong to bearing temperature measuring technique
Field.
Background technology
An important factor for thermo parameters method is the operating condition for reflecting bearing, performance, is related to bearing quality and property
Can, therefore the measurement in temperature field is most important in the design, manufacture and use of bearing.
Bearing rotary lasso high-speed rotation, Bearing inner thermal self-restraint stress are located at rolling element and lasso contact zone, the area
Temperature survey is difficult to adopt contact type measurement.The measurement of Bearing inner Temperature Distribution can be to investigate Bearing inner maximum temperature point
Temperature difference between traditional lasso temperature measuring point provides basic test data, available for instructing the status monitoring of bearing, with
And the heat analysis result of verification bearing.Temperature field test during by being run to bearing can obtain verification bearing heat analysis result
Basic data, and provide means for bearing condition monitoring.The rotation of axis and bearing can stir a large amount of mist of oil, be made to measuring work
Into certain puzzlement.
Invention content
The purpose of the present invention is to solve the above-mentioned problems of the prior art, and then provide a kind of rolling bearing experiment
Temperature field measuring apparatus and method.
The purpose of the present invention is what is be achieved through the following technical solutions：
A kind of temperature field measuring apparatus of rolling bearing experiment, the temperature field measuring apparatus of the rolling bearing experiment include
Part, running part and light path cleaning part are measured,
Measurement portion point includes thermal imaging system,
Running part includes servo motor, force snesor, load bar, code-disc, motor, V belt translation, bearing support, axially adds
Load plate, test bearing and end cap,
Light path cleaning part includes germanite glass and purging module,
Thermal imaging system is installed in trepanning on the end cap of outer side box body, and the head of thermal imaging system is stretched into inside hole, its remaining part of thermal imaging system
Divide and supported by the stent on end cap；
Servomotor spindle is connected by drive pulley with end cap, and motor is connect by V belt translation with end cap, code-disc and electricity
Machine connects；Trepanning among end cap and drive pulley, so that axially loaded bar passes through；Servo-electric passes through force snesor and load bar
Connection；End cap outer ring is connected by bearing support with babinet；
One end of load bar is connect with axially loaded disk, and axially loaded disk applies axial load to test bearing, tests axis
It holds in driving spindle, the inner ring of test bearing is rotated with axis, outer ring and the babinet remains stationary of test bearing；
Germanite glass before thermal imaging system camera lens is installed, purging module is installed on the inside of end cap.
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, a kind of temperature of rolling bearing experiment of the present invention
Field measurement device is spent, the loading boom end is spherical surface.
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, a kind of temperature of rolling bearing experiment of the present invention
Field measurement device is spent, the rotating range of the end cap is -180 °~+180 °.
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, a kind of temperature of rolling bearing experiment of the present invention
Field measurement device is spent, the bearing support is four point contact thin-wall bearings.
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, a kind of temperature of rolling bearing experiment of the present invention
Field measurement device is spent, the axially loaded disk is spoke type skeleton structure.
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, a kind of temperature of rolling bearing experiment of the present invention
Field measurement device is spent, purging module is installed on the inside of the end cap, extraneous compressed air enters purging module by A, and leads to
Nozzle at high speeds is crossed to spray so as to constantly blow away the mist of oil on germanite glass surface.
A kind of temperature field measurement method of rolling bearing experiment, the temperature field measurement method of the rolling bearing experiment are specific
Step is：
Step 1：First test bearing surface temperature is measured, and come online using this data using contact type temperature sensor
Demarcate the emissivity of thermal imaging system；
Step 2：After motor and thermal imaging system starting up preheat and stablize, test bearing is started to work, and is gradually increased
Its rotating speed is with axial load until close to actual condition, the image obtained at this time by thermal imaging system can obtain Bearing inner part position
The Temperature Distribution put；
Step 3：Servo motor is controlled thermal imaging system can be driven to be pivoted, one turned in thermal imaging system with slow rotation
In a period, the temperature of test bearing complete cycle retainer or rolling element and test bearing lasso can be obtained；
Step 4：By the location information of code-disc read test bearing, the real time position of thermal imaging system can be obtained by calculation,
The temperature information and the location information of thermal imaging system that thermal imaging system measures correspond, and have just obtained the temperature field point on test bearing surface
Cloth situation.
The present invention a kind of temperature field measuring apparatus and method of rolling bearing experiment, temperature is measured by non-contacting mode
, to reduce influence of the lubricating oil to measurement accuracy as possible, the isolation of attachment setting lubricating oil or barrier in measuring temperature of bearing area
(germanite glass).Under the premise of oil lubrication effect is not influenced, design purging module dispels the mist of oil to splash at random, prevents germanium
Glass surface excessively accumulates oil film, improves the precision of non-contact testing.
Description of the drawings
Fig. 1 is the structure diagram of the temperature field measuring apparatus of rolling bearing of the present invention experiment.
Fig. 2 is the schematic diagram of the axially loaded end cap of the temperature field measuring apparatus of rolling bearing of the present invention experiment.
Reference numeral in figure, 1 is code-disc；2 be motor；3 be V belt translation；4 be end cap；5 be bearing support；6 be axial
Loading disc；7 be test bearing；8 be servo motor；9 be force snesor；10 be load bar；11 be thermal imaging system；12 be germanite glass；
13 be purging module.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in further detail：The present embodiment using technical solution of the present invention as
Under the premise of implemented, give detailed embodiment, but protection scope of the present invention is not limited to following embodiments.
Embodiment one：As shown in Figure 1, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
Including measuring part, running part and light path cleaning part,
Measurement portion point includes thermal imaging system,
Running part includes servo motor, force snesor, load bar, code-disc, motor, V belt translation, bearing support, axially adds
Load plate, test bearing, end cap,
Light path cleaning part includes germanite glass and purging module,
Thermal imaging system is installed in trepanning on the end cap of outer side box body, and the head of thermal imaging system is stretched into inside hole, its remaining part of thermal imaging system
Divide and supported by the stent on end cap；
Servomotor spindle is connected by drive pulley with end cap, and motor is connect by V belt translation with end cap, code-disc and electricity
Machine connects；Trepanning among end cap and drive pulley, so that axially loaded bar passes through；Servo-electric passes through force snesor and load bar
Connection；End cap outer ring is connected by bearing support with babinet；
One end of load bar is connect with axially loaded disk, and axially loaded disk applies axial load to test bearing, tests axis
It holds in driving spindle, the inner ring of test bearing is rotated with axis, outer ring and the babinet remains stationary of test bearing；
Germanite glass before thermal imaging system camera lens is installed, purging module is installed on the inside of end cap.
Running part drives thermal imaging system and test bearing does controllable relative rotation, and thermal imaging system is mounted on rotating mechanism (end
Lid) on, the circular scanning to bearing side can be completed, code-disc is installed in driving device (motor), thermal imaging system survey can be recorded
Position is measured, light path cleaning part includes the mist of oil trap of thermal imaging system front end and purging module, avoids splashing mist of oil to thermal imaging system shadow
It rings.
Embodiment two：As shown in Figure 1, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
A kind of temperature field measuring apparatus of rolling bearing experiment of the present invention, the loading boom end is spherical surface.
Embodiment three：As shown in Figure 1, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
In the temperature field measuring apparatus of the rolling bearing experiment of the present embodiment, the rotating range of the end cap is -180 °~+180 °.
Thermal imaging system used in thermometric is mounted on end cap, when thermometric object is high-speed rotating bearing inner race or rolling element,
Thermal imaging system remains stationary is motionless, and bearing every revolution thermal imaging system can scan the surface temperature of a cycle.When measurement object is
During the bearing outer ring of remains stationary, thermal imaging system can be driven by end cap slowly to be rotated.Thermal imaging system tail portion is wired and host computer
It is connected, avoids the winding of cable and rotating mechanism, so the rotating range of the end cap of installation thermal imaging system is -180 °~+180 °.
Example IV：As shown in Fig. 2, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
In a kind of temperature field measuring apparatus of rolling bearing experiment of the present embodiment, the bearing support is four point contact thin-wall bearings.
End cap outer ring is connected by four point contact thin-wall bearings with babinet, thus in the case where occupying smaller size smaller still
It can realize and end cap is reliably supported.
Embodiment five：As shown in Fig. 2, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
In a kind of temperature field measuring apparatus of rolling bearing experiment of the present embodiment, the end cap is spoke type skeleton structure.
Contactless thermal imaging system thermometric needs there are better light path condition therebetween cannot from camera lens to bearing side
It blocks, so loading end cap is designed to spoke type skeleton structure, so as to ensure in major part of the end cap with bearing rotary
In, thermal imaging system can directly measure the temperature of bearing surface.
Embodiment six：As shown in Fig. 2, a kind of temperature field measuring apparatus of rolling bearing experiment involved by the present embodiment,
In a kind of temperature field measuring apparatus of rolling bearing experiment of the present embodiment, purging module is installed on the inside of the end cap, outside
The compressed air on boundary enters purging module, and spray the oil so as to constantly blow away germanite glass surface by nozzle at high speeds by A
Mist.
Thermal imaging system converts thereof into measurable electric signal and measures surface temperature by receiving the infrared energy of target
Degree, in the application environment of the design, the rotation of axis and bearing can stir a large amount of mist of oil, so as to pollute the camera lens of thermal imaging system,
Therefore it needs to add protective layer before camera lens.Germanite glass is due to having higher refraction coefficient, to the projection energy of Uv and visible light
Power is weaker, but can be by more infrared light, so installing a piece of germanite glass before thermal imaging system camera lens to prevent mist of oil to mirror
The pollution of head.
The mist of oil stirred can gradually accumulate on germanite glass, so as to influence passing through for infrared light, so pacifying on the inside of end cap
Purge system is filled, extraneous compressed air is passed through purge system, and is sprayed by nozzle at high speeds so as to constantly blow away germanite glass
The mist of oil on surface.
Embodiment seven：As shown in Fig. 2, a kind of temperature field measurement method of rolling bearing experiment involved by the present embodiment,
The temperature field measurement method of rolling bearing experiment the specific steps are：
Step 1：First test bearing surface temperature is measured, and come online using this data using contact type temperature sensor
Demarcate the emissivity of thermal imaging system；
Step 2：After motor and thermal imaging system starting up preheat and stablize, test bearing is started to work, and is gradually increased
Its rotating speed is with axial load until close to actual condition, the image obtained at this time by thermal imaging system can obtain Bearing inner part position
The Temperature Distribution put；
Step 3：Servo motor is controlled thermal imaging system can be driven to be pivoted, one turned in thermal imaging system with slow rotation
In a period, the temperature in test bearing retainer or rolling element and test bearing lasso complete cycle can be obtained；
Step 4：By the location information of code-disc read test bearing, the real time position of thermal imaging system can be obtained by calculation,
The temperature information and the location information of thermal imaging system that thermal imaging system measures correspond, and have just obtained the temperature field point on test bearing surface
Cloth situation.
Measured bearing is mounted on an axle, and inner ring is rotated with axis, outer ring and babinet remains stationary, the axial load of bearing
Bearing outer ring is applied to by axially loaded disk to realize.When external force is applied on the outside of loading disc, loading disc is by this power with equal
The form of cloth load is applied to bearing outer ring from inside wheel rim, so as to the axis between simulated implementation actual condition middle (center) bearing Internal and external cycle
To load.
The foregoing is only a preferred embodiment of the present invention, these specific embodiments are all based on the present invention
Different realization methods under general idea, and protection scope of the present invention is not limited thereto, it is any to be familiar with the art
Technical staff in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in, should all cover the present invention
Within protection domain.Therefore, protection scope of the present invention should be subject to the protection domain of claims.
Claims (7)
- A kind of 1. temperature field measuring apparatus of rolling bearing experiment, which is characterized in that the temperature field measurement dress of rolling bearing experiment It puts including measuring part, running part and light path cleaning part,Measurement portion point includes thermal imaging system (11),Running part include servo motor (8), force snesor (9), load bar (10), code-disc (1), motor (2), V belt translation (3), Bearing support (5), axially loaded disk (6), test bearing (7) and end cap (4),Light path cleaning part includes germanite glass (12) and purging module (13),Trepanning installation thermal imaging system (11), the head of thermal imaging system (11) are stretched into inside hole on the end cap (4) of outer side box body, thermal imaging system (11) rest part is supported by the stent on end cap (4)；Servo motor (8) main shaft is connected by drive pulley with end cap (4), and motor (2) is connected by V belt translation (3) and end cap (4) It connects, code-disc (1) is connect with motor (2)；End cap (4) and trepanning among drive pulley, so that axially loaded bar (10) passes through；Servo Electronic (8) are connect by force snesor (9) with load bar (10)；End cap (4) outer ring is connected by bearing support (5) with babinet；One end of load bar (10) is connect with axially loaded disk (6), axially loaded disk (6) push to test bearing (7), test bearing (7) on the main shaft of servo motor (8), the inner ring of test bearing (7) is rotated with axis, the outer ring of test bearing (7) With babinet remains stationary；Germanite glass (12) before thermal imaging system (11) camera lens is installed, purging module (13) is installed on the inside of end cap (4).
- A kind of 2. temperature field measuring apparatus of rolling bearing experiment according to claim 1, which is characterized in that the loading Bar (10) end is spherical surface.
- A kind of 3. temperature field measuring apparatus of rolling bearing experiment according to claim 1, which is characterized in that the end cap (4) rotating range is -180 °~+180 °.
- A kind of 4. temperature field measuring apparatus of rolling bearing experiment according to claim 1, which is characterized in that the bearing Bearing (5) is four point contact thin-wall bearings.
- A kind of 5. temperature field measuring apparatus of rolling bearing experiment according to claim 1, which is characterized in that the axial direction Loading disc (6) is spoke type skeleton structure.
- A kind of 6. temperature field measuring apparatus of rolling bearing experiment according to claim 1, which is characterized in that the end cap (4) inside is equipped with purging module (13), and extraneous compressed air enters purging module (13) by A, and passes through nozzle at high speeds Spray the mist of oil so as to constantly blow away germanite glass (12) surface.
- 7. a kind of temperature field measurement method of rolling bearing experiment, which is characterized in that the specific steps are：Step 1：First test bearing (7) surface temperature is measured, and mark online using this data using contact type temperature sensor Determine the emissivity of thermal imaging system (11)；Step 2：After motor (2) and thermal imaging system (11) starting up preheat and stablize, test bearing (7) is started to work, by Its rotating speed is gradually improved with axial load until close to actual condition, the image obtained at this time by thermal imaging system (11) can obtain bearing The Temperature Distribution of inner ring；Step 3：Servo motor (8) is controlled thermal imaging system (11) can be driven to be pivoted, in thermal imaging system (11) with slow rotation In a cycle turned over, the temperature of test bearing (7) retainer or rolling element and test bearing (7) outer ring can be obtained；Step 4：By the location information of code-disc (1) read test bearing (7), the reality of thermal imaging system (11) can be obtained by calculation When position, the temperature information and the location information of thermal imaging system (11) that thermal imaging system (11) measures correspond, and has just obtained test axis Hold the thermo parameters method situation on (7) surface.
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| CN201810121133.2A CN108168889B (en) | 2018-02-07 | 2018-02-07 | Temperature field measuring device and method for rolling bearing test |
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| CN201810121133.2A CN108168889B (en) | 2018-02-07 | 2018-02-07 | Temperature field measuring device and method for rolling bearing test |
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| CN108168889B CN108168889B (en) | 2020-02-18 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261113A (en) * | 2019-07-19 | 2019-09-20 | 洛阳高测精密机械有限公司 | A kind of slice mainshaft bearing lubricating grease working performance test device and method |
| CN110307125A (en) * | 2019-05-14 | 2019-10-08 | 沈阳工程学院 | A kind of wind generator set main shaft holds internal temperature indirect measurement method |
| CN110571985A (en) * | 2019-09-11 | 2019-12-13 | 深圳市速锋科技股份有限公司 | Preheating running-in method of high-speed electric spindle |
| CN111256861A (en) * | 2020-03-23 | 2020-06-09 | 江苏嘉轩智能工业科技股份有限公司 | Bearing inner ring temperature measuring device and method for outer rotor permanent magnet electric roller |
| CN111487058A (en) * | 2020-04-27 | 2020-08-04 | 河南科技大学 | Rolling bearing slip test method |
| RU205604U1 (en) * | 2019-12-05 | 2021-07-23 | Тирсан Кардан Санайи Ве Тиджарет Аноним Ширкети | MEASURING ELEMENT FOR MEASURING THE TEMPERATURE OVER THE OUTER BEARING RINGS IN THE CROSS SHAFT WHICH CONNECTS THE DRIVE SHAFT JOINTS |
| CN113504260A (en) * | 2021-06-15 | 2021-10-15 | 南京航空航天大学 | Experimental device for be used for rotor oil spout heat convection test |
| CN114061785A (en) * | 2021-11-17 | 2022-02-18 | 青岛理工大学 | Method and system for measuring temperature field inside bearing |
| CN114755015A (en) * | 2022-06-17 | 2022-07-15 | 哈尔滨科锐同创机模制造有限公司 | Bearing tester intensification testing arrangement |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110307125A (en) * | 2019-05-14 | 2019-10-08 | 沈阳工程学院 | A kind of wind generator set main shaft holds internal temperature indirect measurement method |
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| RU205604U1 (en) * | 2019-12-05 | 2021-07-23 | Тирсан Кардан Санайи Ве Тиджарет Аноним Ширкети | MEASURING ELEMENT FOR MEASURING THE TEMPERATURE OVER THE OUTER BEARING RINGS IN THE CROSS SHAFT WHICH CONNECTS THE DRIVE SHAFT JOINTS |
| CN111256861A (en) * | 2020-03-23 | 2020-06-09 | 江苏嘉轩智能工业科技股份有限公司 | Bearing inner ring temperature measuring device and method for outer rotor permanent magnet electric roller |
| CN111487058A (en) * | 2020-04-27 | 2020-08-04 | 河南科技大学 | Rolling bearing slip test method |
| CN111487058B (en) * | 2020-04-27 | 2022-05-24 | 河南科技大学 | Rolling bearing slip test method |
| CN113504260A (en) * | 2021-06-15 | 2021-10-15 | 南京航空航天大学 | Experimental device for be used for rotor oil spout heat convection test |
| CN114061785A (en) * | 2021-11-17 | 2022-02-18 | 青岛理工大学 | Method and system for measuring temperature field inside bearing |
| CN114755015A (en) * | 2022-06-17 | 2022-07-15 | 哈尔滨科锐同创机模制造有限公司 | Bearing tester intensification testing arrangement |
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