CN103543254B - A kind of asphalt loose performance index determining instrument and assay method thereof - Google Patents
A kind of asphalt loose performance index determining instrument and assay method thereof Download PDFInfo
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- CN103543254B CN103543254B CN201310496868.0A CN201310496868A CN103543254B CN 103543254 B CN103543254 B CN 103543254B CN 201310496868 A CN201310496868 A CN 201310496868A CN 103543254 B CN103543254 B CN 103543254B
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Abstract
The invention discloses a kind of asphalt loose performance index determining instrument and assay method thereof, comprise temperature control box, the central controller that sensor, fixing jacking gear, temperature controller and Programmable Logic Controller are all elevated for controlling temperature control box internal environment, stirring motor running status and fixing jacking gear with temperature control box outside interacts.Asphalt of the present invention loose performance index determining instrument, agitated kettle is arranged in temperature control box, controlled by the rotating speed of central controller to the environment in temperature control box and stirring motor, ensure that and wholely mix and stir under process asphalt is in the environment of specific temperature and stirring rate exactly, thus ensure the validity of experimental data, compensate for the deficiency of the loose performance testing index of asphalt.
Description
Technical field
The invention belongs to highway asphalt mixture experimental technique field, be specifically related to a kind of asphalt loose performance index determining instrument and assay method thereof.
Background technology
The construction variability of bituminous pavement controls to be one of weak link of its build technology, low temperature and the summer high temperature time period especially in the winter time, and construction quality of pavement is difficult to ensure.It is many-sided for affecting Asphalt Pavement Construction Quality factor, and most important factor is the workability of asphalt, and the loose performance of asphalt is a kind of avatar of its workability.Especially to cold repairing asphalt mixture, its loose performance directly has influence on the spreading quality in construction process of asphalt pavement.In suitable scope, the loose performance of asphalt is better, and its workability is better, otherwise also sets up.And also do not form at present the device of the complete loose performance of systematized detection asphalt, equipment and evaluation method.
Cause the reason of asphalt loose performance deficiency as follows: 1, the quality problems of pitch itself, Asphalt Penetration is less than normal, and adhesive property is bad.2, aggregate quality problem, humidity of gathering materials or unclean.3, match ratio problem, disproportionately graded.4, mix and stir problem, mix and stir in process too high or too low for temperature, mix and stir uneven.
Summary of the invention
The object of the invention is to solve the problem, a kind of asphalt loose performance index determining instrument and assay method thereof are provided, this analyzer test philosophy is simple, easy and simple to handle, test accurately, fast, quick, objective, accurate, high efficient detection and the loose performance of evaluation compound can be realized, and can as the foundation of asphalt mixture material composition and gradation adjustment.The detection of testing apparatus and the manufacturing expense of instrument not high, use, easy to maintenance, and this testing apparatus good reliability, is conducive to applying of this equipment.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of asphalt loose performance index determining instrument, comprise temperature control box, being provided with the agitated kettle for holding asphalt, being provided with fixing jacking gear in temperature control box in temperature control box, agitated kettle is arranged on fixing jacking gear; The top of temperature control box is provided with stirring motor, and the output shaft of stirring motor is connected with stirring-head by bearing, and stirring-head is arranged on the top of agitated kettle; Also be provided with temperature controller in temperature control box, for controlling the Programmable Logic Controller of stirring rate and whipping temp and the sensor for gathering temperature control box temperature and stirring motor parameter, stirring motor, temperature controller and Programmable Logic Controller are arranged in the seal cavity on temperature control box top; The central controller that sensor, fixing jacking gear, temperature controller and Programmable Logic Controller are all elevated for controlling temperature control box internal environment, stirring motor running status and fixing jacking gear with temperature control box outside interacts.
Described sensor comprise be arranged on temperature controller for gather seal cavity temperature in temperature control box the first temperature sensor, be arranged on above stirring-head for gather lower space temperature in temperature control box the second sensor, be arranged on stirring motor and export speed pickup on bearing and torque sensor; First temperature sensor, the second sensor, speed pickup are all connected with Programmable Logic Controller and central controller with torque sensor.
Described central controller is connected with temperature controller, fixing jacking gear, motor, Programmable Logic Controller, the first temperature sensor, the second temperature sensor, speed pickup and torque sensor respectively by cable.
Described central controller comprises inner processor and the guidance panel of outside; Described guidance panel is provided with display screen, normal relay indicating light and some action buttons.
Described action button comprises speeds control key, refrigeration control key, computer heating control key, controls agitated kettle decline button, controls agitated kettle raise button and start button.
Described temperature control box is also provided with transparent temperature control chamber door.
The inside of described temperature control box is provided with base, and base is installed with support, and fixing jacking gear is rack-mount.
An assay method for the loose performance index of asphalt, comprises the following steps:
1) plug in, treat that normal relay indicating light is bright, then represent that whole device is in normal operating conditions, press start button;
2) open transparent temperature control chamber door, asphalt is joined in agitated kettle, close transparent temperature control chamber door, press and control agitated kettle raise button, treat its automatic spring, open refrigeration control key or computer heating control key, the temperature that setting needs;
3) temperature of screen display to be shown reaches set temperature value, and opening speed controls button, and setting speed starts to stir, and stirs 2 ~ 3min, and the size of the power of record display screen display, records 20 data; The speed of resetting starts to stir, and stirs 2 ~ 3min, and the size of the power of record display screen display, records 20 data; Change speed operation like this five times, respectively recorder data;
4) treat that asphalt stirs, closing velocity operating key and refrigeration control part key or computer heating control key, press and control agitated kettle decline button, treat its automatic spring, open transparent temperature control chamber door, from agitated kettle, take out asphalt;
5) powered-down, treats that temperature return arrives room temperature, sweeps instrument, closes temperature control chamber door;
6) to data analysis.
To during to data analysis, under the specific stirring rate of specified temp, stir the power that asphalt needs less, illustrate that its loose performance is better, otherwise also set up; Under same temperature, same stirring rate, the power stirred needed for dissimilar asphalt varies in size, stir the loose performance of little asphalt of exerting oneself good, vice versa.
The present invention has following beneficial effect:
Asphalt of the present invention loose performance index determining instrument, agitated kettle is arranged in temperature control box, controlled by the rotating speed of central controller to the environment in temperature control box and stirring motor, ensure that and wholely mix and stir under process asphalt is in the environment of specific temperature and stirring rate exactly, thus ensure the validity of experimental data, compensate for the deficiency of the loose performance testing index of asphalt.
Further, temperature control equipment of the present invention can control asphalt mixture mixing process setting mix temperature under carry out.
Further, the present invention fixes the height that jacking gear can accurately control to be elevated, and the process of mixing and stirring is carried out smoothly.
Further, stirring-head of the present invention is connected with stirring motor by bearing, bearing is provided with the speed pickup and torque signal sensor that are connected with Programmable Logic Controller, at any time stirring rate used for stirring-head and mixing torque can be passed to central controller, data can be read on a display screen.
Further, stirring motor of the present invention, Programmable Logic Controller and temperature control equipment are sealed in a box-structure, this temperature control equipment can heat or freeze in sealing box structure, ensures that the working temperature of stirring motor and Programmable Logic Controller remains on 20 DEG C ~ 40 DEG C.
The assay method of the loose performance index of asphalt of the present invention, test philosophy is simple, and the guidance panel on central controller is provided with action button and display, operating personnel can control this analyzer work overall process; The present invention can for all types of asphalt, and structure is simple, and easy to operate, energy resource consumption is few, and practical value is high.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention.
Wherein: 1 is temperature control box; 2 is the first temperature sensor; 3 is temperature controller; 4 is stirring motor; 5 is speed pickup; 6 is torque sensor; 7 is Programmable Logic Controller; 8 is cable; 9 is display screen; 10 is central controller; 11 is speeds control key; 12 is refrigeration control key; 13 is computer heating control key; 14 for controlling agitated kettle decline button; 15 for controlling agitated kettle raise button; 16 is start button; 17 is the second biography temperature sensor; 18 is stirring-head; 19 is agitated kettle; 20 is base; 21 is fixing jacking gear; 22 is support; 23 is temperature control chamber door; 24 is normal relay indicating light.
Specific implementation method
Below in conjunction with accompanying drawing, the present invention is described in further detail:
See Fig. 1, asphalt of the present invention loose performance index determining instrument, comprises temperature control box 1, temperature control box 1 is also provided with transparent temperature control chamber door 23.The inside of temperature control box 1 is provided with base 20, base 20 is installed with support 22, and fixing jacking gear 21 is arranged on support 22.Being provided with the agitated kettle 19 for holding asphalt in temperature control box 1, being provided with fixing jacking gear 21 in temperature control box 1, agitated kettle 19 is arranged on fixing jacking gear 21; The top of temperature control box 1 is provided with stirring motor 4, and the output shaft of stirring motor 4 is connected with stirring-head 18 by bearing, and stirring-head 18 is arranged on the top of agitated kettle 19; Also be provided with temperature controller 3 in temperature control box 1, for controlling the Programmable Logic Controller 7 of stirring rate and whipping temp and the sensor for gathering temperature control box 1 temperature and stirring motor 4 parameter, stirring motor 4, temperature controller 3 and Programmable Logic Controller 7 are arranged in the seal cavity on temperature control box 1 top; Sensor, fixing jacking gear 21, temperature controller 3 and Programmable Logic Controller 7 all interact for the central controller controlling temperature control box 1 internal environment, stirring motor 4 running status and fixing jacking gear 21 and be elevated with temperature control box 1 outside.Sensor comprise be arranged on temperature controller 3 for gather seal cavity temperature in temperature control box 1 the first temperature sensor 2, be arranged on above stirring-head 18 and second pass temperature sensor 17 for what gather lower space temperature in temperature control box 1, be arranged on stirring motor 4 and export speed pickup 5 on bearing and torque sensor 6; First temperature sensor 2, second temperature sensor 17, speed pickup 5 are all connected with Programmable Logic Controller 7 and central controller 10 with torque sensor 6.Central controller 10 is connected with temperature controller 3, fixing jacking gear 21, motor 4, Programmable Logic Controller 7, first temperature sensor 2, second temperature sensor 17, speed pickup 5 and torque sensor 6 respectively by cable 8.Central controller 10 comprises inner processor and the guidance panel of outside; Described guidance panel is provided with display screen 9, normal relay indicating light 24 and some action buttons.Action button comprises speeds control key 11, refrigeration control key 12, computer heating control key 13, controls agitated kettle decline button 14, controls agitated kettle raise button 15 and start button 16.
The invention also discloses the assay method of the loose performance index of a kind of asphalt, comprise the following steps:
1) plug in, treat that normal relay indicating light 24 is bright, then represent that whole device is in normal operating conditions, press start button 16;
2) open transparent temperature control chamber door 23, asphalt is joined in agitated kettle 19, close transparent temperature control chamber door 23, press and control agitated kettle raise button 15, treat its automatic spring, open refrigeration control key 12 or computer heating control key 13, the temperature that setting needs;
3) on screen 9 to be shown, the temperature of display reaches set temperature value, and opening speed controls button 11, and setting speed starts to stir, and stirs 2 ~ 3min, and on record display screen 9, the size of the power of display, records 20 data; The speed of resetting starts to stir, and stirs 2 ~ 3min, and on record display screen 9, the size of the power of display, records 20 data; Change speed operation like this five times, respectively recorder data;
4) treat that asphalt stirs, closing velocity operating key 11 and refrigeration control part key 12 or computer heating control key 13, press and control agitated kettle decline button 14, treat its automatic spring, open transparent temperature control chamber door 23, from agitated kettle 19, take out asphalt;
5) powered-down, treats that temperature return arrives room temperature, sweeps instrument, closes temperature control chamber door 23;
6) to data analysis.To during to data analysis, under the specific stirring rate of specified temp, stir the power that asphalt needs less, illustrate that its loose performance is better, otherwise also set up; Under same temperature, same stirring rate, stir the dissimilar power needed for asphalt to vary in size, stir institute's loose performance of little asphalt of exerting oneself good, vice versa, and test data can also form and the foundation of gradation adjustment as asphalt mixture material.
The effect of central controller 10 of the present invention is provided with temperature control system, speed control system and Torque Control system, connected by cable 8 and temperature controller 3, fixing jacking gear 21, stirring motor 4, the temperature sensor 2 and 17 be connected with Programmable Logic Controller 7, the speed pickup 5 be connected with Programmable Logic Controller 7, the torque sensor 6 that is connected with Programmable Logic Controller 7, ensure that and wholely mix and stir under process asphalt is in the environment of specific temperature and stirring rate exactly, thus ensure the validity of experimental data.Temperature control equipment 1, its effect controls asphalt mixture mixing process to carry out at the mix temperature of setting.Fixing jacking gear 21, its effect is the height that can accurately control to be elevated, and the process of mixing and stirring is carried out smoothly.Stirring-head 18 is connected with stirring motor 4 by bearing, bearing is provided with the speed pickup 5 and torque signal sensor 6 that are connected with Programmable Logic Controller 7, at any time stirring rate used for stirring-head 18 and mixing torque can be passed to central controller 10, data can be read on display screen 9.Stirring motor 4, Programmable Logic Controller 7 and temperature controller 3 are sealed in a box-structure, this temperature control equipment 3 can heat or freeze in sealing box structure, ensures that the working temperature of stirring motor 4 and Programmable Logic Controller 17 remains on 20 DEG C ~ 40 DEG C.Central controller 10 is made up of display screen 9, action button 11,12,13,14,15,16 and normal relay indicating light 24, display screen 9 shows the size of the power M that set temperature T, speed V and needs measure.The effect of action button is to the control of this analyzer work overall process for operating personnel.
This asphalt loose performance New Set analyzer, comprise the actual temperature that temperature control equipment can control the asphalt in the process of mixing and stirring, and by temperature sensor, the information of mixing and stirring temperature is passed to central operation device at any time, contribute to operating personnel analyze and adjustment mix and stir temperature.
Be provided with temperature sensor in temperature controller, its effect is the temperature detecting machine operation, and the working temperature of motor is controlled in rational scope.
Rotating shaft is provided with speed pickup, torque signal sensor, Programmable Logic Controller, and its effect is that the stirring rate of whipping process and mixing torque are passed to central controller, and shows on a display screen, is convenient to adjustment and obtains data.
The effect of stirring-head, agitated kettle, base, fixing jacking gear, support ensures completing smoothly of whole whipping process.
Transparent temperature control chamber door has two effects, and the first facilitates adding of asphalt and takes out, and it two is that whole process can complete under the observation of human eye.
The effect of speeds control button is the stirring velocity of rotation controlling stirring-head.The effect of refrigeration control key and computer heating control key is the temperature level of control temperature control device.The effect controlling agitated kettle decline button and control agitated kettle raise button ensures that agitated kettle and stirring-head are in rational mixing position.The effect of start button starts this checkout equipment.The effect of normal relay indicating light guarantees that this device is in normal operating conditions.
The effect of central operation device establishes operating system in being, controls test process.Cable is the hinge of connecting test parts, control assembly.The effect of display screen shows test results.
The present invention is directed to the problem of the loose performance deficiency of asphalt, by the test data analysis to the loose performance of asphalt, the main cause of the loose performance deficiency of asphalt can be found, thus find the methods and measures improving the loose performance of asphalt.The present invention is used for the loose performance of test different types compound, and the loose performance under different temperatures environment.Thus provide reliable foundation for rational Pavement Design and construction.Therefore, the present invention is a kind of more satisfactory so far and testing apparatus of science.Technique can apply to, in the test of the loose performance of asphalt, can realize the set goal quickly and easily, be with a wide range of applications.
Claims (8)
1. an asphalt loose performance index determining instrument, it is characterized in that: comprise temperature control box (1), the agitated kettle (19) for holding asphalt is provided with in temperature control box (1), be provided with fixing jacking gear (21) in temperature control box (1), agitated kettle (19) is arranged on fixing jacking gear (21); The top of temperature control box (1) is provided with stirring motor (4), the output shaft of stirring motor (4) is connected with stirring-head (18) by bearing, and stirring-head (18) is arranged on the top of agitated kettle (19); Also be provided with temperature controller (3) in temperature control box (1), for controlling the Programmable Logic Controller (7) of stirring rate and whipping temp and the sensor for gathering temperature control box (1) temperature and stirring motor (4) parameter, stirring motor (4), temperature controller (3) and Programmable Logic Controller (7) are arranged in the seal cavity on temperature control box (1) top; The central controller that sensor, fixing jacking gear (21), temperature controller (3) and Programmable Logic Controller (7) are all elevated for controlling temperature control box (1) internal environment, stirring motor (4) running status and fixing jacking gear (21) with temperature control box (1) outside interacts;
Sensor comprise be arranged on temperature controller (3) for gather seal cavity temperature in temperature control box (1) the first temperature sensor (2), be arranged on stirring-head (18) top for gather lower space temperature temperature control box (1) in the second sensor (17), be arranged on stirring motor (4) output bearing on speed pickup (5) and torque sensor (6); First temperature sensor (2), the second sensor (17), speed pickup (5) are all connected with Programmable Logic Controller (7) and central controller (10) with torque sensor (6).
2. asphalt according to claim 1 loose performance index determining instrument, is characterized in that: described central controller (10) is connected with temperature controller (3), fixing jacking gear (21), motor (4), Programmable Logic Controller (7), the first temperature sensor (2), the second temperature sensor (17), speed pickup (5) and torque sensor (6) respectively by cable (8).
3. asphalt according to claim 1 and 2 loose performance index determining instrument, is characterized in that: described central controller (10) comprises inner processor and the guidance panel of outside; Described guidance panel is provided with display screen (9), normal relay indicating light (24) and some action buttons.
4. asphalt according to claim 3 loose performance index determining instrument, is characterized in that: described action button comprises speeds control key (11), refrigeration control key (12), computer heating control key (13), controls agitated kettle decline button (14), controls agitated kettle raise button (15) and start button (16).
5. asphalt according to claim 4 loose performance index determining instrument, is characterized in that: described temperature control box (1) is also provided with transparent temperature control chamber door (23).
6. asphalt according to claim 1 loose performance index determining instrument, it is characterized in that: the inside of described temperature control box (1) is provided with base (20), base (20) is installed with support (22), fixing jacking gear (21) is arranged on support (22).
7. adopt an assay method for asphalt according to claim 5 loose performance index determining instrument, it is characterized in that, comprise the following steps:
1) plug in, treat that normal relay indicating light (24) is bright, then represent that whole device is in normal operating conditions, press start button (16);
2) transparent temperature control chamber door (23) is opened, asphalt is joined in agitated kettle (19), close transparent temperature control chamber door (23), press and control agitated kettle raise button (15), treat its automatic spring, open refrigeration control key (12) or computer heating control key (13), the temperature that setting needs;
3) temperature of the upper display of screen to be shown (9) reaches set temperature value, opening speed controls button (11), and setting speed starts to stir, and stirs 2 ~ 3min, the size of the power of the upper display of record display screen (9), records 20 data; The speed of resetting starts to stir, and stirs 2 ~ 3min, and the size of the power of the upper display of record display screen (9), records 20 data; Change speed operation like this five times, records its data respectively;
4) treat that asphalt stirs, closing velocity operating key (11) and refrigeration control part key (12) or computer heating control key (13), press and control agitated kettle decline button (14), treat its automatic spring, open transparent temperature control chamber door (23), from agitated kettle (19), take out asphalt;
5) powered-down, treats that temperature return arrives room temperature, sweeps instrument, closes temperature control chamber door (23);
6) to data analysis.
8. the assay method of asphalt according to claim 7 loose performance index determining instrument, it is characterized in that: when to data analysis, under the specific stirring rate of specified temp, the power stirring asphalt needs is less, illustrate that its loose performance is better, otherwise also set up; Under same temperature, same stirring rate, stir the dissimilar power needed for asphalt to vary in size, stir institute's loose performance of little asphalt of exerting oneself good, vice versa, and test data can also form and the foundation of gradation adjustment as asphalt mixture material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310496868.0A CN103543254B (en) | 2013-10-21 | 2013-10-21 | A kind of asphalt loose performance index determining instrument and assay method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310496868.0A CN103543254B (en) | 2013-10-21 | 2013-10-21 | A kind of asphalt loose performance index determining instrument and assay method thereof |
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| CN103543254A CN103543254A (en) | 2014-01-29 |
| CN103543254B true CN103543254B (en) | 2016-01-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104297294A (en) * | 2014-09-22 | 2015-01-21 | 河海大学 | Asphalt mixture workability detection device based on stirring current value and detection method |
| CN107213819A (en) * | 2017-05-27 | 2017-09-29 | 罗斯（无锡）设备有限公司 | A kind of large-scale mixing plant |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201181292Y (en) * | 2008-03-28 | 2009-01-14 | 南京工业大学 | Asphalt mixture workability index tester |
| CN201293782Y (en) * | 2008-11-10 | 2009-08-19 | 长安大学 | Test device for hot mixing asphalt mixture operational property |
| CN102841038A (en) * | 2012-09-29 | 2012-12-26 | 长安大学 | Detection device and method for self-healing property of asphalt |
| CN202983579U (en) * | 2013-01-01 | 2013-06-12 | 内蒙古工业大学 | Vertical type foamed asphalt mixture stirring device |
| CN203053821U (en) * | 2013-01-15 | 2013-07-10 | 西安科技大学 | Bituminous mixture workability test instrument |
| CN103344526A (en) * | 2013-06-28 | 2013-10-09 | 长安大学 | Tester and testing method for workability index of bituminous mixture |
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2013
- 2013-10-21 CN CN201310496868.0A patent/CN103543254B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181292Y (en) * | 2008-03-28 | 2009-01-14 | 南京工业大学 | Asphalt mixture workability index tester |
| CN201293782Y (en) * | 2008-11-10 | 2009-08-19 | 长安大学 | Test device for hot mixing asphalt mixture operational property |
| CN102841038A (en) * | 2012-09-29 | 2012-12-26 | 长安大学 | Detection device and method for self-healing property of asphalt |
| CN202983579U (en) * | 2013-01-01 | 2013-06-12 | 内蒙古工业大学 | Vertical type foamed asphalt mixture stirring device |
| CN203053821U (en) * | 2013-01-15 | 2013-07-10 | 西安科技大学 | Bituminous mixture workability test instrument |
| CN103344526A (en) * | 2013-06-28 | 2013-10-09 | 长安大学 | Tester and testing method for workability index of bituminous mixture |
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