CN108645730A - A kind of fatigue experimental device of vehicle glass - Google Patents
A kind of fatigue experimental device of vehicle glass Download PDFInfo
- Publication number
- CN108645730A CN108645730A CN201810451470.8A CN201810451470A CN108645730A CN 108645730 A CN108645730 A CN 108645730A CN 201810451470 A CN201810451470 A CN 201810451470A CN 108645730 A CN108645730 A CN 108645730A
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- vehicle glass
- vibrators
- fatigue
- test
- fatigue experimental
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- 239000011521 glass Substances 0.000 title claims abstract description 77
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 2
- 238000009661 fatigue test Methods 0.000 abstract description 18
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 208000037656 Respiratory Sounds Diseases 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 208000025599 Heat Stress disease Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/34—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by mechanical means, e.g. hammer blows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0062—Crack or flaws
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/0658—Indicating or recording means; Sensing means using acoustic or ultrasonic detectors
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention relates to vehicle glass fields, more particularly to the detection of vehicle glass, particularly provide a kind of fatigue experimental device of vehicle glass, the fatigue experimental device includes test base, test bracket, at least four vibrators, ultrasonic detection device and computer, test bracket is fixedly mounted on test base, the middle section of test bracket is provided with receiving opening, at least four vibrators are separately mounted to accommodate four angular zones of opening, at least four vibrators and ultrasonic detection device are connect with computer respectively, ultrasonic detection device can be detected vehicle glass to be tested, computer can control at least four vibrators and obtain the testing result of ultrasonic detection device.The present invention can truly installation situation and running environment of the simulated automotive glass on body of a motor car, to improve the accuracy of fatigue test；The underbead crack and face crack that vehicle glass can also be detected simultaneously, timely and accurately preserve testing result.
Description
Technical field
The present invention relates to vehicle glass fields to particularly provide a kind of glass of automobile more particularly to the detection of vehicle glass
The fatigue experimental device of glass.
Background technology
Automobile whether on startup, still in the process of moving, due to the uneven rotation of engine movements part and past
Multiple movement, variation gas load, valve group inertia force and the elastic force of bent axle, the load effect of speed changer engaging tooth wheel set, biography
The cogging torque of moving axis constant velocity cardan joint and road surface and non-road surface can all make automobile be in one the factors such as the effect of suspension
In a considerably complicated vibration environment.With the growth of automobile service life, tired damage may occur for some auto parts and components
It is bad, then cracked or fracture.Fatigue refers to test specimen or construction material under the action of alternate stress and alternate strain, crackle
Germinating, extension, until the process that small pieces fall off or are broken.Correspondingly, fatigue failure is then that component loses because endurance failure occurs
The phenomenon that losing normal working performance.
From 1 day May in 2013,《Automobile forced Rejection standard regulation》In require small-sized private car to travel 600,000 kilometers
After can guide and scrap.In order to ensure that vehicle glass is scrapping the use quality in mileage, fatigue failure will not occur or fatigue is lost
Phenomena such as effect, to it is necessary to carrying out fatigue test.Currently, there are no unified vehicle glass fatigue experimental devices, more only
Such as a kind of vacuum glass thermal-cold circle fatigue experiment device disclosed in patent CN201210090123.X, it include chamber,
Cold air generating means, gas pipeline, air pump, electrically operated valve, cold air backflow pipeline and electronic control unit, chamber pass through gas pipeline
It is connect with cold air generating means, air pump and electrically operated valve are set on gas pipeline, and cold air backflow pipeline is directly connected in chamber
Between cold air generating means, electronic control unit is electrically connected with cold air generating means, air pump and electrically operated valve；The experiment
In case, lower wall is equipped with vacuum glass clamping platform, has a wall to be equipped with temperature sensor, has two walls respectively to open a cold air input port, defeated
Feed channel is accessed by cold air input port in chamber, has a wall to open a cold air delivery outlet, chamber is passed through by cold air delivery outlet
Cold air backflow pipeline connects cold air generating means, and multiple infrared heating devices are arranged in each sidewall symmetry, and one side wall is equipped with chamber door；Institute
Temperature sensor and infrared heating device is stated to be electrically connected with electronic control unit；The infrared heating device and cold air generating means are followed
Ring works alternatively, and infrared heating device is powered on first, and temperature sensor measures experiment the temperature inside the box and feeds back to electricity in real time
Unit is controlled, when temperature reaches thermal fatigue test temperature, electronic control unit controls infrared heating device power-off, and temperature is tried less than heat fatigue
When testing temperature, electronic control unit control infrared heating device is powered on, after reaching the thermal fatigue test time, electronic control unit control
Infrared heating device powers off and starts cold air generating means, air pump and electrically operated valve, and the cold air of generation is sent by gas pipeline
Chamber, when temperature reaches cold fatigue test temperature, electronic control unit controls air pump and electrically operated valve power-off, and temperature is higher than cold fatigue
When test temperature, electronic control unit control air pump and electrically operated valve are powered on, after reaching cold Fatigue Test Time, electronic control unit
Control cold air generating means, air pump and electrically operated valve power-off；The repetitive cycling above process is multiple；And patent
A kind of glass reinforced plastic pipe circumferential direction bending fatigue testing device disclosed in CN201720068843.4, it includes for carrying tested glass
The support plinth of steel conduit, is respectively arranged with a vertical smooth guide post at support plinth corner location, on smooth guide post under
Supreme to be disposed with pressure testing plate, intermediate bulkhead and lamina tecti, four smooth guide posts sequentially pass through pressure testing plate and intermediate bulkhead
It is fixed with lamina tecti corner location after corner location, pressure testing plate is slidably matched with smooth guide post, between intermediate bulkhead and lamina tecti
It is adjustable up and down to position, it is provided on intermediate bulkhead by the motor-driven circumferential bending displacement width damper box of fatigue test, it is circumferential
Bending displacement width damper box side connects with the rotation axis of fatigue test motor, and the other side is provided with fatigue test axis, fatigue
The rotation axis and fatigue test axis of experiment electric motor be not coaxial, a hinged vertical pressure testing axis on fatigue test axis, on intermediate bulkhead
It is provided with the pressure testing through-hole passed through for pressure testing axis, the hinged seat hinged with pressure testing axis is provided on pressure testing plate；These patent disclosures
Technical solution cannot be used for the fatigue test of vehicle glass.
Invention content
The shortcomings of the technical problem to be solved by the present invention is to fatigue experimental devices for not general vehicle glass,
A kind of fatigue experimental device of vehicle glass is provided.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of fatigue experimental device of vehicle glass,
It is characterized in that：Including test base, test bracket, at least four vibrators, ultrasonic detection device and computer, the experiment
Holder is fixedly mounted on the test base, and the middle section of the test bracket is provided with receiving opening, and the receiving is opened
Vehicle glass to be tested can be fixedly mounted in mouth, and at least four vibrators are separately mounted to four angular regions for accommodating opening
Domain, at least four vibrators can be such that the vehicle glass being mounted in the receiving opening vibrates, at least four vibrators
It is connect respectively with computer with ultrasonic detection device, the ultrasonic detection device can be to being mounted in the receiving opening
Vehicle glass be detected, the computer can control at least four vibrators and obtain the ultrasonic detection device
Testing result.
Preferably, the angle between the test bracket and the test base can be conditioned.It is highly preferred that the examination
Holder is tested to be mounted on the test base by rotation axis, hinge connection or table chain rotating shaft mode.
Preferably, the vibration frequency of superposed at least two vibrator is greater than or equal to position at least four vibrators
At least two vibrators in lower part.
Preferably, the vibration frequency of at least four vibrators is 0.5~25Hz.
Preferably, the vibration frequency of at least four vibrators is 20~80Hz.
Preferably, the sampling interval of the ultrasonic detection device is 0.05~400 μ s.
Preferably, the fatigue experimental device of the vehicle glass further includes industrial camera, the industrial camera and computer
Connection, the industrial camera can be shot mounted on the image for accommodating the vehicle glass in opening, and the computer can
Obtain described image.
Preferably, the fatigue experimental device of the vehicle glass further includes rainwater generation device, the rainwater generation device
Rainwater can be sprayed to mounted on the vehicle glass accommodated in opening.
The present invention has the advantages that due to taking above-mentioned technical proposal：
The fatigue experimental device of vehicle glass of the present invention, being capable of truly peace of the simulated automotive glass on body of a motor car
Situation and running environment are filled, to improve the accuracy of fatigue test；Can also detect simultaneously vehicle glass underbead crack and
Face crack timely and accurately preserves testing result.
Description of the drawings
Fig. 1 is the structural schematic diagram of the fatigue experimental device of vehicle glass of the present invention.
Specific implementation mode
Present disclosure is described further below in conjunction with attached drawing.
As shown in Figure 1, a kind of fatigue experimental device of vehicle glass of the present invention, it is characterised in that：Including experiment
Pedestal 1, test bracket 2, at least four vibrators 3, ultrasonic detection device 4 and computer 5, the test bracket 2 fix peace
On the test base 1, the middle section of the test bracket 2 is provided with receiving opening 21, vehicle glass to be tested
It can be mounted in receiving opening 21, thus truly installation situation of the simulated automotive glass on body of a motor car；At least
Four vibrators 3 are separately mounted to four angular zones for accommodating opening 21, and at least four vibrators 3 can make to be mounted on described
The vehicle glass accommodated in opening 21 vibrates, at least four vibrators 3 and ultrasonic detection device 4 respectively with computer 5
Connection, the ultrasonic detection device 4 can be detected the vehicle glass in the receiving opening 21, the meter
Calculation machine 5 can control at least four vibrators 3 and obtain the testing result of the ultrasonic detection device 4.The present invention passes through extremely
Few four vibrators 3 make vehicle glass to be tested simulate the work in indeed vibrations running environment, and are examined by ultrasonic wave
Device 4 is surveyed to be detected vehicle glass, to confirm the working time of the defects of cracked inside vehicle glass, that is,
The service life of phenomena such as fatigue failure or fatigue failure occurs for vehicle glass, completes the fatigue test of vehicle glass.
In order to simulate realistically installation situation of the vehicle glass on body of a motor car, the preferably described test bracket of the present invention
Angle between 2 and the test base 1 can be conditioned, such as the test bracket 2 passes through rotation axis, hinge connection or table
The modes such as chain type shaft are mounted on the test base 1, and after angle between adjusting them, the test bracket 2 is consolidated
The fixed follow-up test without influencing vehicle glass, to make vehicle glass carry out fatigue test with true mounting inclination angle.
In the present invention, it is preferred to which the vibration frequency of superposed at least two vibrator 3 is big at least four vibrators 3
In or equal to positioned at lower part at least two vibrators 3, this is because vehicle glass be mounted on body of a motor car on when, vehicle glass
Bottom installed than upper part more secured, installation feelings of the vehicle glass on body of a motor car can be simulated realistically in this way
Shape improves the accuracy of fatigue test.
Automobile in the process of moving, the main reason for usual Uneven road is automobile vibration, preferably at least four vibrators 3
Vibration frequency be 0.5~25Hz, be capable of in this way simulated roadway injustice running environment vehicle glass vibration；In addition, Automobile
Body structure also will produce vibration in the process of moving, then the vibration frequency of preferably at least four vibrators 3 is 20~80Hz, in this way
Can simulated automotive body structure bring vehicle glass vibration.
Wherein, ultrasonic detection device 4 can find to make by vibrator 3 by high-frequency, highly directional ultrasonic wave
It can be concentrated in a particular direction with the acoustic beam of the crackle inside vehicle glass after a certain period of time, ultrasonic wave, in the medium edge
Straightline propagation has many advantages, such as good directive property, has transmission loss small big with investigation depth, can accurately detect automobile
The crackle of inside glass；The testing result of the ultrasonic detection device 4 is obtained by computer 5 can preserve detection knot in time
Fruit；It is preferred that the sampling interval of the ultrasonic detection device 4 is 0.05~400 μ s.
In order to preferably detect the crackle generated on vehicle glass surface, the fatigue test of vehicle glass of the present invention
Device further includes industrial camera 6, and the industrial camera 6 is connect with computer 5, and the industrial camera 6 can be shot mounted on institute
The image for accommodating the vehicle glass in opening 21 is stated, the computer 5 can obtain described image, and computer 5 is by described
Whether image is analyzed, cracked on vehicle glass surface to detect.
In Fig. 1, the fatigue experimental device of vehicle glass of the present invention further includes rainwater generation device 7, the rain
Aquatic products generating apparatus 7 can spray rainwater to mounted on the vehicle glass accommodated in opening 21, and ring is driven to simulate the rainy day
The vibration of vehicle glass under border.
The above content is to a kind of further description of the fatigue experimental device of vehicle glass of the present invention, and
Non- to be defined to the scope of the present invention, without departing from the inventive concept of the premise, those of ordinary skill in the art are according to this
The various modifications and improvement that the technical solution of invention is made, are regarded as belonging to the scope of protection of the present invention.
Claims (9)
1. a kind of fatigue experimental device of vehicle glass, it is characterised in that：It shakes including test base, test bracket, at least four
Dynamic device, ultrasonic detection device and computer, the test bracket are fixedly mounted on the test base, the test bracket
Middle section be provided with receiving opening, receivings, which is open, can be fixedly mounted vehicle glass to be tested, and at least four shake
Dynamic device is separately mounted to four angular zones for accommodating opening, and at least four vibrators can make to be mounted in receiving opening
Vehicle glass vibrate, at least four vibrators and ultrasonic detection device are connect with computer respectively, the ultrasonic wave
Detection device can be detected the vehicle glass in the receiving opening, and the computer can control at least four
A vibrator and the testing result for obtaining the ultrasonic detection device.
2. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：The test bracket with it is described
Angle between test base can be conditioned.
3. the fatigue experimental device of vehicle glass according to claim 2, it is characterised in that：The test bracket is by turning
Moving axis, hinge connection or table chain rotating shaft mode are mounted on the test base.
4. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：Position at least four vibrators
It is greater than or equal at least two vibrators positioned at lower part in the vibration frequency of at least two vibrators on top.
5. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：At least four vibrators shake
Dynamic frequency is 0.5~25Hz.
6. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：At least four vibrators shake
Dynamic frequency is 20~80Hz.
7. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：The ultrasonic detection device
Sampling interval be 0.05~400 μ s.
8. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：The fatigue of the vehicle glass
Experimental rig further includes industrial camera, and the industrial camera is connect with computer, and the industrial camera can be shot mounted on institute
The image for accommodating the vehicle glass in opening is stated, the computer can obtain described image.
9. the fatigue experimental device of vehicle glass according to claim 1, it is characterised in that：The fatigue of the vehicle glass
Experimental rig further includes rainwater generation device, and the rainwater generation device can be to mounted on the glass of automobile accommodated in opening
Glass sprays rainwater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451470.8A CN108645730A (en) | 2018-05-11 | 2018-05-11 | A kind of fatigue experimental device of vehicle glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810451470.8A CN108645730A (en) | 2018-05-11 | 2018-05-11 | A kind of fatigue experimental device of vehicle glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108645730A true CN108645730A (en) | 2018-10-12 |
Family
ID=63754741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810451470.8A Pending CN108645730A (en) | 2018-05-11 | 2018-05-11 | A kind of fatigue experimental device of vehicle glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108645730A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005044180A (en) * | 2003-07-23 | 2005-02-17 | Secom Co Ltd | Glass damage detection device |
| CN101616778A (en) * | 2006-10-26 | 2009-12-30 | 康宁股份有限公司 | The expansion of the crackle that impact causes in fragile material |
| CN103529128A (en) * | 2013-09-30 | 2014-01-22 | 天津工程机械研究院 | On-line fatigue crack detecting system and on-line fatigue crack detecting method |
| CN103592173A (en) * | 2013-11-05 | 2014-02-19 | 广电计量检测（天津）有限公司 | Glass window fatigue test device |
| CN204472741U (en) * | 2014-12-30 | 2015-07-15 | 浙江吉利汽车研究院有限公司 | A kind of glass for vehicle window splits crushing device automatically |
| CN106596305A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Detection system and detection method for fatigue cracks under high-frequency vibration |
-
2018
- 2018-05-11 CN CN201810451470.8A patent/CN108645730A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005044180A (en) * | 2003-07-23 | 2005-02-17 | Secom Co Ltd | Glass damage detection device |
| CN101616778A (en) * | 2006-10-26 | 2009-12-30 | 康宁股份有限公司 | The expansion of the crackle that impact causes in fragile material |
| CN103529128A (en) * | 2013-09-30 | 2014-01-22 | 天津工程机械研究院 | On-line fatigue crack detecting system and on-line fatigue crack detecting method |
| CN103592173A (en) * | 2013-11-05 | 2014-02-19 | 广电计量检测（天津）有限公司 | Glass window fatigue test device |
| CN204472741U (en) * | 2014-12-30 | 2015-07-15 | 浙江吉利汽车研究院有限公司 | A kind of glass for vehicle window splits crushing device automatically |
| CN106596305A (en) * | 2016-12-19 | 2017-04-26 | 潍柴动力股份有限公司 | Detection system and detection method for fatigue cracks under high-frequency vibration |
Non-Patent Citations (2)
| Title |
|---|
| 石晓辉等: "汽车零部件试验检测方法", 《重庆工学院学报》 * |
| 钱秀敏: "轨道客车车窗粘接密封用胶浅析", 《粘接》 * |
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Application publication date: 20181012 |
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