CN206146932U - Pitch ageing tests device of controllable temperature light water wind - Google Patents
Pitch ageing tests device of controllable temperature light water wind Download PDFInfo
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- CN206146932U CN206146932U CN201621088549.1U CN201621088549U CN206146932U CN 206146932 U CN206146932 U CN 206146932U CN 201621088549 U CN201621088549 U CN 201621088549U CN 206146932 U CN206146932 U CN 206146932U
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- trial zone
- ageing
- control system
- asphalt
- light water
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Abstract
The utility model relates to a pitch ageing tests device of controllable temperature light water wind. Test device includes box, heater, ultraviolet tube, ultrasonic humidifier and diffuser plate, sensor, fan and control system, the left side of box is the trial zone, and the right side is the test control system platform, the heater lies in the trial zone bottom, ultraviolet tube is located the trial zone top, the humidifier comprises diffuser plate and the ultrasonic humidifier of establishing the outside in the wall of the trial zone right side respectively, the sensor comprises temperature sensor and humidity transducer, the fan is located test control system platform left side below, liquid crystal display and control switch establish at test control system platform surface, the motor is established in trial zone roof top. Compared with the prior art, the utility model discloses truly simulate outdoor ageing of asphalt environment, more accurate reflection ageing of asphalt performance provides safeguard for the better ageing of asphalt research of developing more comprehensively.
Description
Technical field
The utility model belongs to asphalt performance technical field of measurement and test, it particularly relates to arrive a kind of controllable temperature light water wind
Ageing of asphalt experimental rig.
Background technology
As China's highway is fast-developing, the increasing bituminous paving of China enters the maintenance phase, pitch
Aging is a key factor of impact Service Performance of Asphalt Pavement, and ageing of asphalt correlative study is increasingly taken seriously.In drip
Pitch is used as the binding agent of aggregate in blue or green compound, mix in heat, construct and use during be subject to temperature, illumination, air and drop
The impact of the outside environmental elements such as water and a series of irreversible physical changes and the chemical change such as volatilize, aoxidize, make drip
Blue or green property has greatly changed, macroscopically show as quality change, needle penetration reduce, softening point raise and ductility become
It is little, so as to result in the deterioration of asphalt performance.
At present, laboratory test Asphalt Aging Study is mainly heated by asphalt film heat run and asphalt rotating thin-film
The methods such as test, these methods mainly pass through the two factor stimulation ageings of asphalt of temperature and air oxidation.Drip in bituminous paving
Blue or green aging being mainly is affected by outside environmental elements such as temperature, illumination, air, precipitation.Existing ageing of asphalt experimental facilities without
Illumination and MCS, it is impossible to accurate simulation outdoor ageing of asphalt environment, it is impossible to enough accurately reflect ageing of asphalt performance, drip
Three norms cannot correspond to outdoor ageing of asphalt three norms after blue or green interior degradation.
Utility model content
To solve problem above, the utility model provides a kind of intelligent, comprehensive controllable temperature light water wind ageing of asphalt
Experimental rig.
A kind of ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model, the experimental rig includes case
Body 1, heater 2, quartz burner 3, ultrasonic humidifier 5 and diffuser plate 6, sensor 7, blower fan 8 and control system 9；It is described
Casing 1 is rectangular structure, is divided into left and right two parts, and left side is trial zone, and right side is experiment control system platform；The heating
Device 2 is located at trial zone inner bottom part；The quartz burner 3 is located at trial zone inner top, is protected using waterproof lampshade 4；It is described to add
Wet device is made up of the diffuser plate 6 and ultrasonic humidifier 5 for being respectively provided at outside in trial zone right wall, and low-pressure steam is directly inputted
Trial zone；The sensor 7 is made up of temperature sensor and humidity sensor, is configured near pallet 15；The blower fan 8 is located at
Experiment control system platform lower left, its air blade is located in trial zone；LCDs 10 and controlling switch 11 are located at test
Control system platform outer surface；Motor 16 is located at trial zone top board top, and its rotating shaft is stretched into trial zone and is connected with bottom
Pallet 15；Control system 9 carries computer, is located in experiment control system platform, connects air intake vent 12 and exhaust outlet 13
Controlling switch, is also connected with heater 2, quartz burner 3, humidifier, sensor 7, blower fan 8, LCDs 10, controlling switch
11 and motor 16.
A kind of ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model, the trial zone bag of the casing 1
Shell and inner bag are included, centre is provided with insulating layer.
A kind of ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model, the shell adopts A3 steel
Plate, is molded by numerically controlled lathe, plastic-blasting process；Inner bag adopts stainless steel.
A kind of ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model, the insulating layer is inside and outside double
Rotating fields, ectonexine is respectively high pressure polyurethane foaming and high-density glass fiber, and its surrounding is anti-aging silicon rubber, can be tight
Air-tight movable door side seam.
A kind of ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model, the heater 2 has been adopted
Complete independent nichrome resistance wire realizes heating.
Casing adopts high/low temperature corrosion resistant plate, insulation layer material to foam and high-density glass cellucotton using high intensity PU,
Coordinate the tight air-tight movable door side seam of anti-aging silastic sealing strip.Heater adopts completely self-contained nichrome resistance wire reality
Now heat, resistivity is big, temperature-coefficient of electrical resistance is little, long service life；Humidifier is made up of ultrasonic humidifier and diffuser plate, will
Low-pressure steam directly inputs the purpose that test space has reached humidification, strong with humidification capability, and humidification speed is fast, control performance
It is good, droplet it is little and it is uniform the characteristics of；Temperature Humidity Sensor is arranged near pitch pallet, the temperature of real-time monitoring trial zone, wet
Degree, by the temperature for collecting, moisture signal control system is transferred to, and control system adds hot charging according to setting data Control experiment area
Put, damping device, illumination system, pallet rotating speed and blower fan wind speed, and control superposed liquid crystal display and show dynamic in real time
Information.Blower fan work is uniformly distributed warm and humid environment.Bottom half adopts high-quality fixable type castor, to facilitate casing
It is mobile and fixed.Additionally, the data transfer and power circuit in testing machine by temperature and humidity condition due to being changed, easily occur old
Change, to increase the service life and increasing the security that testing machine is used, twined using anti-aging film and tied up, line joint carries out waterproof
Process.
Compared with prior art, the ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model increases ultraviolet
Line, water etc. cause ageing of asphalt environmental factor, and trial zone temperature, uitraviolet intensity, humidity, wind speed are entered by control system
Row alternation is adjusted, more comprehensively true simulation outdoor ageing of asphalt environment, more accurately reflects ageing of asphalt performance, is preferably to open
Exhibition ageing of asphalt research provides safeguard.
Description of the drawings
Fig. 1：The ageing of asphalt experimental rig figure of controllable temperature light water wind；It is casing -1, heater -2, quartz burner -3, anti-
Water lampshade -4, ultrasonic humidifier -5, diffuser plate -6, sensor -7, blower fan -8, control device -9, LCDs -10, control
System switch -11, air intake vent -12, exhaust outlet -13, fixed castor -14, pallet -15, motor -16.
Specific embodiment
With reference to ageing of asphalt experimental rig of the specific embodiment to controllable temperature light water wind described in the utility model
It is described further, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of ageing of asphalt experimental rig of controllable temperature light water wind, the experimental rig includes casing 1, heater 2, ultraviolet
Line fluorescent tube 3, ultrasonic humidifier 5 and diffuser plate 6, sensor 7, blower fan 8 and control system 9；The casing 1 is cuboid knot
Structure, is broadly divided into two parts, and left side is trial zone, and right side is experiment control system platform；The heater 2 is located in trial zone
Bottom；The quartz burner 3 is located at trial zone inner top, is protected using waterproof lampshade 4；The humidifier is by being respectively provided at examination
The diffuser plate 6 and ultrasonic humidifier 5 for testing outside in area's right wall is constituted, and low-pressure steam is directly inputted into trial zone；The sensing
Device 7 is made up of temperature sensor and humidity sensor, is configured near pallet 15；The blower fan 8 is flat positioned at experiment control system
Platform lower left, its air blade is located in trial zone；LCDs 10 and controlling switch 11 are located at outside experiment control system platform
Surface；Motor 16 is located at trial zone top board top, and its rotating shaft stretches into trial zone and is connected with pallet 15 in bottom；Control system
9 carry computer, are located in experiment control system platform, connect the controlling switch of air intake vent 12 and exhaust outlet 13, are also connected with
Heater 2, quartz burner 3, humidifier, sensor 7, blower fan 8, LCDs 10, controlling switch 11 and motor 16.Institute
The trial zone of casing 1 is stated including shell and inner bag, centre is provided with insulating layer.The shell adopts A3 steel plates, is molded by numerically controlled lathe,
Plastic-blasting process；Inner bag adopts stainless steel.The insulating layer be interior outer double-layer structure, ectonexine be respectively high pressure polyurethane foaming and
High-density glass fiber, its surrounding is anti-aging silicon rubber, can tight air-tight movable door side seam.The heater 2 is using complete
Independent nichrome resistance wire realizes heating.
Casing adopts high/low temperature corrosion resistant plate, insulation layer material to foam and high-density glass cellucotton using high intensity PU,
Coordinate the tight air-tight movable door side seam of anti-aging silastic sealing strip.Heater adopts completely self-contained nichrome resistance wire reality
Now heat, resistivity is big, temperature-coefficient of electrical resistance is little, long service life；Humidifier is made up of ultrasonic humidifier and diffuser plate, will
Low-pressure steam directly inputs the purpose that test space has reached humidification, strong with humidification capability, and humidification speed is fast, control performance
It is good, droplet it is little and it is uniform the characteristics of；Temperature Humidity Sensor is arranged near pitch pallet, the temperature of real-time monitoring trial zone, wet
Degree, by the temperature for collecting, moisture signal control system is transferred to, and control system adds hot charging according to setting data Control experiment area
Put, damping device, illumination system, pallet rotating speed and blower fan wind speed, and control superposed liquid crystal display and show dynamic in real time
Information.Blower fan work is uniformly distributed warm and humid environment.Bottom half adopts high-quality fixable type castor, to facilitate casing
It is mobile and fixed.Additionally, the data transfer and power circuit in testing machine by temperature and humidity condition due to being changed, easily occur old
Change, to increase the service life and increasing the security that testing machine is used, twined using anti-aging film and tied up, line joint carries out waterproof
Process.
The concrete operation step of the ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model is：
1. by the sample-containing dish numbering after clean, drying, cooling, bitumen samples are injected separately into into 4 Sheng samples for having claimed quality
50g ± 0.5g in ware, and form pitch film in uniform thickness.
2. prescriptive procedure is pressed simultaneously, determines needle penetration, viscosity, the softening point property before the experiment of bitumen samples film heating.
Temperature sensor is moved at center of turntable top surface 6mm, and test block is heated and kept to 163 DEG C ± 1 DEG C.
3. equipment is adjusted level, makes rotating disk and rotated with the speed of 5.5r/min ± 1r/min in the horizontal plane, rotation with
Horizontal plane angle is not more than 3 °.Trial zone is reached after 163 DEG C of constant temperature, and the planchet for filling sample is put in trial zone rapidly
Sabot on, and close trial zone door, start turntable mounting, ultraviolet lighting system is opened by control system.
Start timing when 4. making trial zone temperature recovery to 162 DEG C, and 2h is kept in 163 DEG C of ± 1 DEG C of temperature.
5. trial zone temperature is down to 90 DEG C by control system by closing heater using blower fan and exhaust outlet, is opened
Trial zone humidity is reached 90% by humidifier, keeps 0.5h.
6. humidifier is closed, heater is warmed up to 163 degrees Celsius by blower fan and heater dehumidifying, and holding half is little
When.
7. the sample of two sample-containing dishes is taken out, is scraped in an appropriate container with scraper or spatula, be placed on heating furnace and add
Heat, and suitably stirring makes fully to melt up to flow regime, pours in needle penetration sample-containing dish, viscosity and softening point die trial, and by rule
The method of determining carries out the corresponding test of residue after the items ageing of asphalt test such as needle penetration.
8. 4. remaining two samples are repeated into 5. 6. step one time, is 7. operated according still further to step.Comparative study pitch
Three norms relation before and after different degree of aging tests.
Calculate residue penetration ratio before and after test and press formula：
In formula：Kp is the aging rear residue penetration ratio (%) of sample, and P1 is the needle penetration of aging front original sample
(0.1mm), P2 is the needle penetration (0.1mm) of aging rear residue.
Calculate residue softening point increment before and after test and press formula：
Δ T=T1-T2
In formula：Δ T is that the aging after-tack point of sample rises in value (DEG C), and T1 is aging front softening point (DEG C), and T2 is aging rear soft
Change point (DEG C).
Calculate 60 DEG C of viscosity ratios before and after test and press formula：
In formula：K η are aging 60 DEG C of viscosity ratios in front and back, and η 2 is glutinous for aging first 60 DEG C for aging rear 60 DEG C of viscosity (Pas) η 1
Degree (Pas)
Calculate ageing of asphalt index and press formula：
C=lglg (η2×103)-lglg(η1×103)
C is ageing of asphalt index in formula.
Compared with prior art, the ageing of asphalt experimental rig of controllable temperature light water wind described in the utility model increases ultraviolet
Line, water etc. cause ageing of asphalt environmental factor, and trial zone temperature, uitraviolet intensity, humidity, wind speed are entered by control system
Row alternation is adjusted, more comprehensively true simulation outdoor ageing of asphalt environment, more accurately reflects ageing of asphalt performance, is preferably to open
Exhibition ageing of asphalt research provides safeguard.
Claims (5)
1. a kind of ageing of asphalt experimental rig of controllable temperature light water wind, it is characterised in that the experimental rig include casing (1),
Heater (2), quartz burner (3), ultrasonic humidifier (5) and diffuser plate (6), sensor (7), blower fan (8) and control system
System (9)；The casing (1) is rectangular structure, is divided into left and right two parts, and left side is trial zone, and right side is experiment control system
Platform；The heater (2) is positioned at trial zone inner bottom part；The quartz burner (3) positioned at trial zone inner top, using waterproof
Lampshade (4) is protected；The humidifier is by the diffuser plate (6) and ultrasonic humidifier (5) for being respectively provided at outside in trial zone right wall
Composition, by low-pressure steam trial zone is directly inputted；The sensor (7) is made up of temperature sensor and humidity sensor, configuration
Near pallet (15)；Positioned at experiment control system platform lower left, its air blade is located in trial zone the blower fan (8)；Liquid
Crystal display screen (10) and controlling switch (11) are located at experiment control system platform outer surface；Motor (16) is located at trial zone top board
Top, its rotating shaft stretches into trial zone and is connected with pallet (15) in bottom；Control system (9) is located at test with computer
In control system platform, connect the controlling switch of air intake vent (12) and exhaust outlet (13), be also connected with heater (2), ultraviolet lamp
Pipe (3), humidifier, sensor (7), blower fan (8), LCDs (10), controlling switch (11) and motor (16).
2. the ageing of asphalt experimental rig of controllable temperature light water wind as claimed in claim 1, it is characterised in that the casing (1)
Trial zone includes shell and inner bag, and centre is provided with insulating layer.
3. the ageing of asphalt experimental rig of controllable temperature light water wind as claimed in claim 2, it is characterised in that the shell is adopted
A3 steel plates, are molded by numerically controlled lathe, plastic-blasting process；Inner bag adopts stainless steel.
4. the ageing of asphalt experimental rig of controllable temperature light water wind as claimed in claim 3, it is characterised in that the insulating layer is
Interior outer double-layer structure, ectonexine is respectively polyurethane foam and glass fibre, and its surrounding is anti-aging silicon rubber, can tight sealing
Dodge gate side seam.
5. the ageing of asphalt experimental rig of controllable temperature light water wind as claimed in claim 4, it is characterised in that the heater
(2) realize heating using nichrome resistance wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088549.1U CN206146932U (en) | 2016-09-28 | 2016-09-28 | Pitch ageing tests device of controllable temperature light water wind |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088549.1U CN206146932U (en) | 2016-09-28 | 2016-09-28 | Pitch ageing tests device of controllable temperature light water wind |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206146932U true CN206146932U (en) | 2017-05-03 |
Family
ID=58620192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088549.1U Expired - Fee Related CN206146932U (en) | 2016-09-28 | 2016-09-28 | Pitch ageing tests device of controllable temperature light water wind |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206146932U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525742A (en) * | 2017-09-29 | 2017-12-29 | 长安大学 | A kind of experimental rig of full-automatic testing aged asphalt viscosity |
| CN107942042A (en) * | 2017-11-24 | 2018-04-20 | 江阴江化微电子材料股份有限公司 | The anti-aging test device and moulding process of a kind of chemicals pail pack |
| CN108956438A (en) * | 2018-07-23 | 2018-12-07 | 长安大学 | Ultraviolet radioactive-oxygen-temperature-humidity coupling ageing of asphalt experimental rig and method |
| CN110243753A (en) * | 2019-07-15 | 2019-09-17 | 南京林业大学 | A kind of bituminous cements coupling ageing test apparatus and method |
| CN110412066A (en) * | 2019-08-14 | 2019-11-05 | 哈尔滨工业大学 | A kind of evaluation asphalt surface hot fills the experimental rig and method of class base joint grouting glue short term thermal aging rice seed |
| CN110596018A (en) * | 2019-10-18 | 2019-12-20 | 福州大学 | Asphalt aging degree detection device and working method thereof |
| CN112255168A (en) * | 2020-11-25 | 2021-01-22 | 江苏众智交通创新产业研究院有限公司 | Ultraviolet ray aging resistance testing method for modified asphalt |
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2016
- 2016-09-28 CN CN201621088549.1U patent/CN206146932U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107525742A (en) * | 2017-09-29 | 2017-12-29 | 长安大学 | A kind of experimental rig of full-automatic testing aged asphalt viscosity |
| CN107525742B (en) * | 2017-09-29 | 2019-08-27 | 长安大学 | A kind of experimental rig of full-automatic testing aged asphalt viscosity |
| CN107942042A (en) * | 2017-11-24 | 2018-04-20 | 江阴江化微电子材料股份有限公司 | The anti-aging test device and moulding process of a kind of chemicals pail pack |
| CN107942042B (en) * | 2017-11-24 | 2020-07-07 | 江阴江化微电子材料股份有限公司 | Aging resistance test device and method for chemical packaging barrel |
| CN108956438A (en) * | 2018-07-23 | 2018-12-07 | 长安大学 | Ultraviolet radioactive-oxygen-temperature-humidity coupling ageing of asphalt experimental rig and method |
| CN108956438B (en) * | 2018-07-23 | 2020-12-15 | 长安大学 | Ultraviolet radiation-oxygen-temperature-humidity coupled asphalt aging test device and method |
| CN110243753A (en) * | 2019-07-15 | 2019-09-17 | 南京林业大学 | A kind of bituminous cements coupling ageing test apparatus and method |
| CN110412066A (en) * | 2019-08-14 | 2019-11-05 | 哈尔滨工业大学 | A kind of evaluation asphalt surface hot fills the experimental rig and method of class base joint grouting glue short term thermal aging rice seed |
| CN110596018A (en) * | 2019-10-18 | 2019-12-20 | 福州大学 | Asphalt aging degree detection device and working method thereof |
| CN110596018B (en) * | 2019-10-18 | 2024-01-26 | 福州大学 | Asphalt aging degree detection device and working method thereof |
| CN112255168A (en) * | 2020-11-25 | 2021-01-22 | 江苏众智交通创新产业研究院有限公司 | Ultraviolet ray aging resistance testing method for modified asphalt |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20190928 |