CN107024429A - A kind of test device and application method for high-speed friction spark - Google Patents
A kind of test device and application method for high-speed friction spark Download PDFInfo
- Publication number
- CN107024429A CN107024429A CN201710307780.8A CN201710307780A CN107024429A CN 107024429 A CN107024429 A CN 107024429A CN 201710307780 A CN201710307780 A CN 201710307780A CN 107024429 A CN107024429 A CN 107024429A
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- spark
- clamp body
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- mill part
- supporting table
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- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001931 thermography Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/06—Investigating by removing material, e.g. spark-testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0014—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation from gases, flames
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- Physics & Mathematics (AREA)
- General 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)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a kind of test device and application method for high-speed friction spark, including specimen holder is specific, pressure sensor, spark collector, hydraulic system and thermal imaging system, and the specimen holder specifically includes sample to be tested clamp body and to mill part clamp body；Described is connected to mill part clamp body by belt pulley with buncher, and buncher is fixed on base；Described treats that test sample clamp body is arranged in supporting table, and is moved forward and backward by the guide runner in supporting table；Described pressure sensor is arranged in supporting table；Described hydraulic system is constituted and is arranged on base by hydraulic pump and piston rod；Described spark collector is arranged on base and in face of spark exit；Thermal imaging system is connected with spark collector.Its is simple in construction, and manufacturing cost is low, easy to operate, highly reliable, be adapted to different metal material rubbed under different rotating speeds and pressure generation spark pattern and temperature measuring.
Description
Technical field
The invention belongs to friction spark technical field of measurement and test, and in particular to a kind of test device for high-speed friction spark
And application method.
Background technology
When two contact body surfaces contact with each other and performed relative motion under external force, heat, electrostatic are often produced
Or spark.Rub produce heat or spark, in some environments to life safety or surrounding environment can bring destruction or
Serious disaster.For example：In high-speed cruising way, train may must take brake hard because of some emergency cases,
During train braking, brake shoe and brake disc surface severe friction produce substantial amounts of spark, the four high temperature sparks penetrated are possible to a little
The combustibles such as fallen leaves, the withered grass on rail side are fired, cause bigger fire to occur, cause serious economic asset to lose and people
Member's injures and deaths.
At present, the device of testing friction spark temperature and pattern still belongs to blank.
The content of the invention
In order to fill up deficiency of the prior art, the invention provides a kind of test device for high-speed friction spark and
Application method, in parts before use, carrying out spark temperature test to parts material, is provided for the safe handling of parts
Ensure.Its is simple in construction, and manufacturing cost is low, easy to operate, highly reliable, it is adaptable to the metal material that test is required to spark
Material.
In order to solve the above technical problems, a kind of test device for high-speed friction spark of the present invention, including specimen holder
Specifically, pressure sensor, spark collector, hydraulic system and thermal imaging system, the specimen holder specifically include sample to be tested fixture
Body and to mill part clamp body；Described is connected to mill part clamp body by belt pulley with buncher, and buncher is fixed on bottom
On seat；Described sample to be tested clamp body is arranged in supporting table, and is moved forward and backward by the guide runner in supporting table；Institute
Supporting table is stated to be fixed on base；Described pressure sensor is arranged on the guide runner end in supporting table；Described hydraulic pressure system
System is made up of hydraulic pump and piston rod, and the piston rod is with treating that test sample clamp body is connected；Described spark collector is arranged on bottom
On seat and in face of spark exit；Described thermal imaging system is connected with spark collector；Installed above the spark collector
There is video camera.
Preferably, the specimen holder is specially 2 groups.
Preferably, the specimen holder is cylindrical shape.Described cylindric sample to be tested clamp body and to mill part clamp body
Wall on all uniform angle be 90 degree of screwed hole.
Preferably, sliding block, the sliding block and the guide runner phase in the supporting table are arranged at the sample to be tested clamp body bottom
Coordinate.The guide runner is T-shaped.
The invention also discloses the application method of the test device for high-speed friction spark, comprise the following steps：
Step one, the fixation of sample, will be placed in in mill part clamp body, passing through the screw thread being distributed on wall to mill part first
Hole, is tightened with screw rod and fixed to mill part sample, equally, sample to be tested is fixed on by screwed hole and treated on test sample clamp body；
Step 2, braking procedure starts buncher, to mill part clamp body rotation, then starts hydraulic pump, is made by piston rod
Be fixed with sample to be tested treats that test sample clamp body is quickly moved and contacted to mill part to rotation, when installed in cylindrical shape clamp body
The spring and pressure sensor contacts of lower end, are adjusted to by hydraulic control valve after predetermined pressure, are kept the pressure, are now treated
Test specimens rub the spark produced under the influence of centrifugal force, tangentially flown to by spark exit with starting to mill part friction
Spark collector, substantial amounts of high temperature spark is impinged upon on thermal imaging system, by thermal imaging system displays temperature, meanwhile, installed in spark
Video camera on collector shoots the pattern of spark；
Step 3, end of braking, by the discharge degree of liquid presses piston pole, piston rod drives and treats that test sample clamp body is moved rearwards by leaving
To mill part sample, hydraulic pump is closed, buncher is simultaneously closed off, removes sample.
The advantageous effects of the present invention：
1. the prediction of the spark temperature produced when being rubbed in advance to metal material by the device, can be the work required to spark
The selection of material provides a kind of detection means under the conditions of condition.
2. the device can adjust the pressure of motor speed and hydraulic jack, it can test in different pressures and rotary speed bar
Under part, spark temperature and its pattern that different metal material is produced when rubbing.
3. the clamp structure is simple, cost is low, simple to operate, highly reliable, highly versatile, it is adaptable to have to friction spark
The metal material of use requirement.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is spring-fixed structure enlarged drawing of the present invention；
Wherein：1-base；2-thermal imaging system；3-spark collector；4-spark is exported；5-buncher；6-belt pulley；
7-to mill part clamp body；8-screwed hole；9-protective cover；10-to mill part；11-video camera；12-sample to be tested；14-treat
Test sample clamp body；15-piston rod；16-hydraulic pump；17-guide runner；18-spring stop；19-spring strut；20-bullet
Spring；21-pressure sensor；22-supporting table.
Embodiment
In order to be able to be better understood by technical characteristic, technology contents and its technique effect reached of the present invention, in conjunction with attached
The present invention is described in detail for figure and specific embodiment.
As shown in figure 1, the present invention provides a kind of test device for high-speed friction spark, including wherein specimen holder is specific
Including sample to be tested clamp body 14 and to mill part clamp body 7, mill part clamp body 7 is connected by belt pulley 6 with buncher 5,
Cause motor to stop the rotation to prevent pressure is excessive and damage.Buncher 5 is fixed on base 1；Sample to be tested clamp body 14 is pacified
Moved forward and backward in supporting table 22, and by the guide runner 17 in supporting table.Supporting table 22 is fixed on base 1, pressure
Force snesor 21 is arranged on the end of guide runner 17 in supporting table 22.Hydraulic system is made up of hydraulic pump 16 and piston rod 15, and
Sample to be tested clamp body 14 is connected with piston rod 15.Spring 20 is arranged on spring strut 19, and spring strut 19 passes through screw thread
It is fastened on spring stop 18；Spark collector 3 is arranged on base 1 and in face of spark outlet 4；Thermal imaging system 2 and fire
Flower collector 3 is connected and installed in the lower section of spark outlet 4.The top of spark collector 3, close spark exit are provided with shooting
Instrument 11.
In order that friction spark test device is stronger to fix friction sample, the specimen holder specifically uses cylinder
Shape, and in 90 degree of uniform fixation screwed holes on cylindrical wall.
Sliding block is arranged at the bottom of sample to be tested clamp body 14, is engaged with the guide runner 17 in supporting table, makes sample to be tested
Clamp body 14 is slided in supporting table 22.The T-shaped structure of guide runner.
The application method of above-mentioned test device, comprises the following steps：
Step one, the fixation of cylindrical sample, will be placed in cylindrical shape in mill part clamp body 7, by equal to mill part first
Screwed hole 8 of the cloth on cylindrical wall, is tightened with screw rod and fixed to mill part sample, equally, cylindrical sample to be tested is installed
Treated in cylindrical shape in test sample clamp body 14, by the screwed hole being distributed on cylindrical wall, fixation is tightened with screw rod and treats test sample；
Step 2, braking procedure starts buncher, and rotary speed is adjusted according to actual test demand, and mill part clamp body 7 is revolved
Turn, then start hydraulic pump, the cylindrical shape clamp body 14 for being fixed with sample to be tested is made quickly to rotation to mill by piston rod
Part 10 is moved and contacted, and when the spring installed in the lower end of clamp body 14 is contacted with pressure sensor 21, is adjusted by hydraulic control valve
It is whole to arrive after predetermined pressure, the pressure is kept, now sample to be tested 12 to the mill friction of part 10 with starting, and the spark that friction is produced exists
In the presence of centrifugal force, by tangentially flying to spark collector 3 at spark outlet 4, substantial amounts of high temperature spark impinges upon thermal imaging
On instrument 2, by the displays temperature of thermal imaging system 2, meanwhile, the video camera 11 on spark collector 3 shoots the pattern of spark；
Step 3, end of braking, by the discharge degree of liquid presses piston pole 15, piston rod drive cylindrical shape treat test sample clamp body 14 to
After move away to mill part sample 10, close hydraulic pump 16, simultaneously close off buncher 5, unscrew and be fixed on cylinder clamp
Screw rod, remove sample.
Claims (7)
1. a kind of test device for high speed drag friction spark, it is characterised in that：Including specimen holder is specific, pressure sensing
Device, spark collector, hydraulic system and thermal imaging system, the specimen holder specifically include sample to be tested clamp body and to mill part fixture
Body；Described is connected to mill part clamp body by belt pulley with buncher, and buncher is fixed on base；Described is to be measured
Specimen holder is specifically arranged in supporting table, and is moved forward and backward by the guide runner in supporting table；The supporting table is fixed on base
On；Described pressure sensor is arranged on the guide runner end in supporting table；Described hydraulic system is by hydraulic pump and piston rod
Composition, the piston rod is arranged on base with treating that test sample clamp body is connected；Described spark collector is arranged on base
And in face of spark exit；The thermal imaging system is connected with spark collector；Shooting is installed above the spark collector
Instrument.
2. the test device according to claim 1 for high-speed friction spark, it is characterised in that：The sample to be tested folder
It is specific and cylindrical to mill part clamp body.
3. the test device according to claim 2 for high-speed friction spark, it is characterised in that：Described cylindrical shape is treated
All uniform angle is 90 degree of screwed hole on test specimens clamp body and wall to grinding part clamp body.
4. the test device according to claim 1 for high-speed friction spark, it is characterised in that：The cylindrical shape is to be measured
Sliding block is arranged at the specific bottom of specimen holder, and the sliding block is engaged with the guide runner in the supporting table.
5. the test device according to claim 2 for high speed drag friction spark, it is characterised in that：The cylindrical shape
Sample to be tested clamp body lower horizontal installs spring.
6. the test device according to claim 1 for high-speed friction spark, it is characterised in that：The guide runner is in T
Type.
7. the application method of the test device according to claim any one of 1-6, it is characterised in that：Comprise the following steps：
Step one, the fixation of sample：Mill part will be placed in in mill part clamp body, passing through the screw thread being distributed on wall first
Hole, is tightened fixed to mill part sample with screw rod；Equally, sample to be tested is fixed on by screwed hole and treated on test sample clamp body；
Step 2, braking procedure：Start buncher, to mill part clamp body rotation, then start hydraulic pump, made by piston rod
Be fixed with sample to be tested treats that test sample clamp body is quickly moved and contacted to mill part to rotation, when installed in cylindrical shape clamp body
The spring and pressure sensor contacts of lower end, are adjusted to after predetermined pressure by hydraulic control valve and keep the pressure, now
Spark of the sample to be tested with being produced to mill part friction under the influence of centrifugal force, tangentially flies to spark by spark exit and collected
Device, substantial amounts of high temperature spark is impinged upon on thermal imaging system, by thermal imaging system displays temperature, meanwhile, on spark collector
Video camera shoot spark pattern；
Step 3, end of braking, by the discharge degree of liquid presses piston pole, piston rod drives and treats that test sample clamp body is moved rearwards by leaving
To mill part sample, hydraulic pump is closed, buncher is simultaneously closed off, removes sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307780.8A CN107024429A (en) | 2017-05-04 | 2017-05-04 | A kind of test device and application method for high-speed friction spark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307780.8A CN107024429A (en) | 2017-05-04 | 2017-05-04 | A kind of test device and application method for high-speed friction spark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107024429A true CN107024429A (en) | 2017-08-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710307780.8A Pending CN107024429A (en) | 2017-05-04 | 2017-05-04 | A kind of test device and application method for high-speed friction spark |
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| Country | Link |
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| CN (1) | CN107024429A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225592A (en) * | 2017-12-29 | 2018-06-29 | 东北大学 | A kind of mechanical friction spark temperature testing device and test method |
| CN110108365A (en) * | 2019-05-16 | 2019-08-09 | 北京理工大学 | A kind of noncontact plunger temperature measuring device |
| CN111562213A (en) * | 2020-06-18 | 2020-08-21 | 大连理工大学 | Metal friction spark energy evaluation device and method under variable pressure of inert atmosphere |
| CN113109539A (en) * | 2021-04-13 | 2021-07-13 | 北京理工大学 | Device and method for rapidly testing friction sensitivity |
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2017
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| CN101825557A (en) * | 2010-04-15 | 2010-09-08 | 吉林省吉大机电设备有限公司 | Friction explosion test machine for combustible gas |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225592A (en) * | 2017-12-29 | 2018-06-29 | 东北大学 | A kind of mechanical friction spark temperature testing device and test method |
| CN110108365A (en) * | 2019-05-16 | 2019-08-09 | 北京理工大学 | A kind of noncontact plunger temperature measuring device |
| CN111562213A (en) * | 2020-06-18 | 2020-08-21 | 大连理工大学 | Metal friction spark energy evaluation device and method under variable pressure of inert atmosphere |
| CN111562213B (en) * | 2020-06-18 | 2021-07-09 | 大连理工大学 | Method for evaluating metal friction spark energy under variable pressure of inert atmosphere |
| CN113109539A (en) * | 2021-04-13 | 2021-07-13 | 北京理工大学 | Device and method for rapidly testing friction sensitivity |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170808 |
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| RJ01 | Rejection of invention patent application after publication |