CN202453308U - Asphalt softening point tester - Google Patents
Asphalt softening point tester Download PDFInfo
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- CN202453308U CN202453308U CN2012200100059U CN201220010005U CN202453308U CN 202453308 U CN202453308 U CN 202453308U CN 2012200100059 U CN2012200100059 U CN 2012200100059U CN 201220010005 U CN201220010005 U CN 201220010005U CN 202453308 U CN202453308 U CN 202453308U
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- rotor
- micromotor
- beaker
- softening point
- temperature sensor
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Abstract
The utility model discloses an asphalt softening point tester which comprises a control cabinet, a beaker, a testing support, an electrical heated tube, a temperature sensor, a micromotor, a rotation shaft and a rotor. The control cabinet is installed below the beaker, a vertical rod is installed on the control cabinet, the micromotor is fixed on the vertical rod, the lower portion of the micromotor is connected with the rotor through the rotation shaft, and the rotor comprises three or four blades. The micromotor drives the rotor to rotate through the rotation shaft. The testing support is fixed inside the beaker, and the electrical heated tube, the temperature sensor and the rotor are all located in the beaker. The control cabinet comprises a casing, an AT89C55 single chip microcomputer is installed inside the casing, and a display screen and a switch button are arranged on the casing. The electrical heated tube, the temperature sensor, the micromotor, the switch button and the display screen are respectively connected with the AT89C55 single chip microcomputer. By means of the asphalt softening point tester, temperature rise can be automatically carried out according to setting temperature rise rate when asphalt softening points are measured, and testing operation is accurate, simple, convenient and high in efficiency.
Description
Technical field
The utility model relates to a kind of determining instrument; Be specifically related to a kind of asphalt softening point tester, this instrument application is in fields such as building, traffic, and especially high-grade highway is higher to the quality requirements of pitch; As the on-site measurement instrument of construction enterprises, also can be applicable to the calibrating of supervision department.
Background technology
According to China's code requirement; Ball and ring method is measured thickness petroleum bitumen softening point; It is 9.35mm that the pitch sample is placed diameter in the copper ring of given size; Quality is the steel ball of 3.5 ± 0.05g, and the pitch sample is softening under the heating condition of 5 ℃ ± 0.5 ℃ of per minute rising, and the temperature when steel ball sinks to reaching 25.4mm is the softening point (with a ℃ expression) of this pitch sample.The softening point of pitch reflects the temperature stability of pitch to a certain extent.
But at present, laboratory operation personnel adopt electric furnace to add the heated bitumen sample, cooperate thermometer to realize temperature controlling in the temperature-rise period; This method manual operation influence is bigger, and temperature control also is not easy very much, is difficult to the intensification standard that reaches identical; Thereby cause easily with a kind of pitch; Different people can measure different softening points, and then influences the accuracy of measurement result, and too much manual operation also can make test more loaded down with trivial details; Simultaneously and since prior art in process of the test in the beaker fluid temperature can not accurately control, can only do battery of tests at every turn, therefore test is relatively wasted time and energy.
Summary of the invention
To defective that exists in the above-mentioned prior art or deficiency; The purpose of the utility model is; A kind of asphalt softening point tester is provided; Automatically heat up according to the heating rate of setting in the time of can being implemented in the mensuration asphalt softening point through this device, make test operation more accurate, easy and efficient.
In order to reach above purpose, the utility model adopts following technical solution:
A kind of asphalt softening point tester is characterized in that, comprises control box, beaker, testing jig, electrothermal tube, temperature sensor, miniature electric, rotating shaft and rotor, and said control box is installed in the below of beaker; Vertical rod is installed on the control enclosure, and micromotor is fixed in the vertical rod, and the micromotor below is connected with rotor through rotating shaft, and this rotor comprises 3 or 4 blades; Micromotor drives the rotor rotation through rotating shaft; Said testing jig is fixed on beaker inside, and said electrothermal tube, temperature sensor and rotor all are positioned at said beaker;
Said control box comprises housing, and this enclosure interior is equipped with the AT89C55 single-chip microcomputer, and housing is provided with display screen and shift knob; Said electrothermal tube, temperature sensor, micromotor, shift knob and display screen are connected with the AT89C55 single-chip microcomputer respectively.
The utility model also comprises following other technologies characteristic:
Said testing jig comprises two mobile jibs; Be fixed with top plate, la m and the lower plywood that is parallel to each other on the mobile jib from top to bottom successively, 4 instrument connections are arranged on the la m; The lower plywood of said testing jig is 25.4mm apart from the distance of la m upper surface.
The mobile jib at 57mm place, said la m top is provided with sounding mark.
The beneficial effect of the utility model:
(1) this device can be realized the mensuration to asphalt softening point; And realized in the mensuration process automatic control to heating rate, sensitive to the temperature reflection, the degree of accuracy that heats up automatically height; Unmanned is error, and appearance too fast or that cross slow situation heats up in the time of can effectively avoiding measuring asphalt softening point.
(2) this device is provided with stirrer, can make test temperature more even, and test result is more reliable.
(3) four holes are arranged on the la m of this device metal support, place a becket on each hole, can do two groups of experiments simultaneously, test easy and testing efficiency is high.
(4) this device performance is stable, reliable test result, and degree of accuracy is high, and good reproducibility is easy and simple to handle, quick.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The structural representation of Fig. 2 testing jig.
Fig. 3 is the structural representation that has the la m of 4 instrument connections.
Below in conjunction with accompanying drawing and embodiment the utility model is done further and to be explained.
Embodiment
As shown in Figure 1, the asphalt softening point tester of the utility model comprises control box 1, beaker 2, testing jig 3, electrothermal tube 4, temperature sensor 5, micromotor 6, rotating shaft 8 and rotor 9, and said control box 1 is installed in the below of beaker 2.
Vertical rod 15 is installed on the control enclosure 1, and micromotor 6 is fixed in the vertical rod 15, and micromotor 6 belows are connected with rotor 9 through rotating shaft 8, and this rotor 9 comprises 3 or 4 blades; Micromotor 6 drives rotor 9 rotations through rotating shaft 8.
Testing jig 3 is fixed on beaker 2 inside, and electrothermal tube 4, temperature sensor 5 and rotor 9 all are positioned at beaker 2.
Said control box 1 comprises housing, and this enclosure interior is equipped with the AT89C55 single-chip microcomputer, and housing is provided with display screen 7 and shift knob; Electrothermal tube 4, temperature sensor 5, micromotor 6, shift knob and display screen 7 are connected with the AT89C55 single-chip microcomputer respectively.
As shown in Figures 2 and 3, testing jig 3 comprises two mobile jibs 10; Be fixed with the top plate 11, la m 12 and the lower plywood 13 that are parallel to each other on the mobile jib 10 from top to bottom successively, 2 or 4 instrument connections 14 are arranged on the la m 12; Can place a sample ring on each test hole 14,4 instrument connections 14 can once be done two groups of experiments simultaneously.The lower plywood 13 of testing jig 3 is 25.4mm apart from the distance of la m 12 upper surfaces.The mobile jib 10 at 57mm place, la m 12 top is provided with sounding mark 16.
The utility model is to the principle of work of the mensuration of asphalt softening point: be placed on the pitch sample in the sample ring of given size; On sample ring, put the steel ball of given size and quality; Testing jig 3 is put in the water (or glycerine); With the heating of 5 ± 0.5 ℃/minute speed, when steel ball sinks to 25.4mm, write down this moment temperature and be this pitch sample softening point.
Use the method for testing and the step of the utility model test asphalt softening point following:
One, preliminary work
In this experiment, except the utility model automatic intensification asphalt softening point tester, all the other test units are all prepared according to the experiment of doing of stipulating in the T0602 rules among the JTJ052-2000.
1, sample ring is placed on the sample base plate (this sample base plate is selected sheet metal or glass plate for use, and surface roughness reaches Ra0.8 μ m) that scribbles glycerine talcum powder separant.By the method for the T0602 rules among JTJ052-2000 regulations ready pitch sample is injected in the sample ring till slightly exceed anchor ring slowly.
2, the pitch sample clips sample ring with ring, and strikes off the pitch sample on the anchor ring with hot scraper behind room temperature cooling 30min, makes the pitch sample flush with anchor ring.
Two, test procedure
1, pitch sample softening point is below 80 ℃:
The sample ring that 1. the pitch sample will be housed places the Water Tank with Temp.-controlled 15min at least that 5 ± 0.5 ℃ of water are housed together with the sample base plate, simultaneously testing jig 3, steel ball and steel ball locating ring is placed this Water Tank with Temp.-controlled;
2. injection is newly boiled and has been cooled to 5 ℃ distilled water in beaker 2, make the water surface a little less than sounding mark 16 till.
3. from the insulation groove, take out sample ring and the testing jig 3 that fills the pitch sample; Sample ring is placed in the instrument connection 14 of la m 12 of testing jig 3; Put the steel ball locating ring, then whole testing jig 3 is put into beaker 2, sounding mark 16 places on the adjustment water surface to the mobile jib 10.Notice that any part must not have bubble on the testing jig 3.The instrument connection size of stipulating in the T0602 rules among above-mentioned instrument connection 14 and the JTJ052-2000 is identical.Electrothermal tube 4, temperature sensor 5 and rotor 9 are put into beaker 2.
4. connect the power supply of controller 1; Steel ball is placed on the pitch sample central authorities in the sample ring; Open the shift knob on the control box 1, the AT89C55 Single-chip Controlling temperature sensor 5 in controller 1 housing is gathered water temperature data in the beaker 2, when the water temperature rate of heat addition does not reach 5 ± 0.5 ℃/min test condition; Liquid heat in 4 pairs of beakers of AT89C55 control electrothermal tube; In this simultaneously, AT89C55 Single-chip Controlling micromachine 6 drives rotors 9 rotations through rotating shaft 8, makes the uniformity of temperature profile of the interior liquid of beaker.When recording through temperature sensor 5 that the water temperature rate of heat addition reaches 5 ± 0.5 ℃/min test condition in the beaker 2, AT89C55 Single-chip Controlling electrothermal tube 4 stops heating.Thereby realize heating up automatically.
5. the pitch sample is dropped by thermal softening gradually; When extremely contacting with the surface of lower plywood 13; Shift knob on the closing control case 1, AT89C55 Single-chip Controlling temperature sensor 5, stirrer 6 quit work, and AT89C55 control LED display shows time and temperature; The user read and record controls case 1 on the time and the temperature that show, this temperature is the softening point of the pitch sample of testing.
2, pitch sample softening point is more than 80 ℃
The sample ring that 1. the pitch sample will be housed places the insulation groove 15min at least that 32 ± 1 ℃ of glycerine are housed together with the sample base plate, simultaneously testing jig 3, steel ball and steel ball locating ring is placed identical insulation groove;
2. in beaker 2, inject the glycerine be heated to 32 ℃ in advance, make liquid level a little less than the sounding mark on the mobile jib 16 till.
3. from the insulation groove, take out sample ring and the testing jig 3 that the pitch sample is housed; Sample ring is placed in the instrument connection 14 of la m 12 of testing jig 3; Put the steel ball locating ring; Then whole testing jig 3 is put into beaker 2, sounding mark 16 places on adjustment liquid level to the mobile jib, and keep 5 ± 0.5 ℃ of temperature.Notice that any part must not have bubble on the testing jig 3.The instrument connection size of stipulating in the T0602 rules among above-mentioned instrument connection 14 and the JTJ052-2000 is identical.
Electrothermal tube 4, temperature sensor 5 and rotor 9 are put into beaker 2.
4. connect the power supply of control box 1; Steel ball is placed on the pitch sample central authorities in the sample ring; Open the shift knob on the control box 1; Controller 1 inner AT89C55 Single-chip Controlling temperature sensor 5 is gathered water temperature data in the beaker 2; When the water temperature rate of heat addition did not reach 5 ± 0.5 ℃/min test condition, the water in 4 pairs of beakers of AT89C55 Single-chip Controlling electrothermal tube heated, in this simultaneously; AT89C55 Single-chip Controlling micromotor 6 drives rotors 9 rotations through rotating shaft 8, makes the uniformity of temperature profile of the liquid that beaker is inner.When temperature sensor 5 recorded that the water temperature rate of heat addition reaches 5 ± 0.5 ℃/min test condition in the beaker 2, AT89C55 Single-chip Controlling electrothermal tube 4 stopped heating.Thereby realize heating up automatically.
5. the pitch sample is dropped by thermal softening gradually; When extremely contacting with the surface of lower plywood 13; Shift knob on the closing control case 1, AT89C55 control quits work temperature sensor 5, stirrer 6, and AT89C55 control LED display shows time and temperature; The user read and record controls case 1 on the time and the temperature that show, this temperature is the softening point of the pitch sample of testing.
Be higher than 120 ℃ if estimate the sample softening point, then sample ring and sample base plate all should be preheated to 80～100 ℃.
The foregoing description only is the preferable example of the utility model; This example has specified the technical scheme and the essential implementation of the utility model; Be not to be that protection domain to the utility model limits; All any simple modification and equivalent structure transformation or modifications of being done according to the utility model spirit all should be encompassed within the protection domain of the utility model.
Claims (2)
1. asphalt softening point tester; It is characterized in that; Comprise control box (1), beaker (2), testing jig (3), electrothermal tube (4), temperature sensor (5), micromotor (6), rotating shaft (8) and rotor (9), said control box (1) is installed in the below of beaker (2); Vertical rod (15) is installed on the control enclosure (1), and micromotor (6) is fixed in the vertical rod (15), and micromotor (6) below is connected with rotor (9) through rotating shaft (8), and this rotor (9) comprises 3 or 4 blades; Micromotor (6) drives rotor (9) rotation through rotating shaft (8); Said testing jig (3) is fixed on beaker (2) inside, and said electrothermal tube (4), temperature sensor (5) and rotor (9) all are positioned at said beaker (2);
Said control box (1) comprises housing, and this enclosure interior is equipped with the AT89C55 single-chip microcomputer, and housing is provided with display screen (7) and shift knob; Said electrothermal tube (4), temperature sensor (5), micromotor (6), shift knob and display screen (7) are connected with the AT89C55 single-chip microcomputer respectively.
2. asphalt softening point tester as claimed in claim 1 is characterized in that, said testing jig (3) comprises two mobile jibs (10); Be fixed with the top plate (11), la m (12) and the lower plywood (13) that are parallel to each other on the mobile jib (10) from top to bottom successively, 4 instrument connections (14) are arranged on the la m (12); The lower plywood (13) of said testing jig (3) is 25.4mm apart from the distance of la m (12) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200100059U CN202453308U (en) | 2012-01-11 | 2012-01-11 | Asphalt softening point tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200100059U CN202453308U (en) | 2012-01-11 | 2012-01-11 | Asphalt softening point tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453308U true CN202453308U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200100059U Expired - Fee Related CN202453308U (en) | 2012-01-11 | 2012-01-11 | Asphalt softening point tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453308U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868946A (en) * | 2014-04-09 | 2014-06-18 | 成都樵枫科技发展有限公司 | Melting point detecting equipment with automatic moving mechanism |
| CN106018461A (en) * | 2016-07-15 | 2016-10-12 | 黑龙江省中信路桥材料有限公司 | Device and method for quickly and indirectly determining softening point of asphalt mixture without extraction |
| CN106596623A (en) * | 2017-01-16 | 2017-04-26 | 沧州航天科宇测试仪器有限公司 | Self-adaptive photoelectric detection device and method for asphalt softening point tester |
| CN107748175A (en) * | 2017-09-26 | 2018-03-02 | 中国科学院山西煤炭化学研究所 | A kind of device and method for determining mesophase pitch softening point |
| CN107817263A (en) * | 2017-09-11 | 2018-03-20 | 常州工学院 | A kind of rosin mellowness detection device |
-
2012
- 2012-01-11 CN CN2012200100059U patent/CN202453308U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868946A (en) * | 2014-04-09 | 2014-06-18 | 成都樵枫科技发展有限公司 | Melting point detecting equipment with automatic moving mechanism |
| CN106018461A (en) * | 2016-07-15 | 2016-10-12 | 黑龙江省中信路桥材料有限公司 | Device and method for quickly and indirectly determining softening point of asphalt mixture without extraction |
| CN106596623A (en) * | 2017-01-16 | 2017-04-26 | 沧州航天科宇测试仪器有限公司 | Self-adaptive photoelectric detection device and method for asphalt softening point tester |
| CN107817263A (en) * | 2017-09-11 | 2018-03-20 | 常州工学院 | A kind of rosin mellowness detection device |
| CN107748175A (en) * | 2017-09-26 | 2018-03-02 | 中国科学院山西煤炭化学研究所 | A kind of device and method for determining mesophase pitch softening point |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120926 Termination date: 20130111 |