CN103698269A - Cold-patch material low-temperature workability testing instrument and method - Google Patents
Cold-patch material low-temperature workability testing instrument and method Download PDFInfo
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- CN103698269A CN103698269A CN201310689493.XA CN201310689493A CN103698269A CN 103698269 A CN103698269 A CN 103698269A CN 201310689493 A CN201310689493 A CN 201310689493A CN 103698269 A CN103698269 A CN 103698269A
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Abstract
The invention discloses a cold-patch material low-temperature workability testing instrument and method. The instrument comprises a temperature control part, a testing part and an observation part, wherein the temperature control part comprises a temperature box, a temperature box door, a grip, a temperature regulation rotary button and a power switch; the testing part comprises an automatic elevator, an electromagnet connected with the automatic elevator, a bracket, a base, a mobile discharge disk, weights, a test die, a programmable controller, a central control unit and a stopwatch; and the observation part comprises a vision window, a temperature display screen, grid paper and a ruler. The instrument and method are used for measuring the magnitude of dispersed area of the cold-patch material sample so as to evaluate the low-temperature workability of the cold-patch material, and provide a new index for evaluating the low-temperature workability of the cold-patch material.
Description
Technical field
The present invention relates to road engineering cold-repairing material low-temperature construction performance field, particularly propose a kind of cold-repairing material low-temperature construction workability energy test instrument and test method.
Background technology
Bituminous pavement, under the effect of traffic load and environmental factor, there will be loose, hole groove, the disease such as peels off, and it is due attractive in appearance that the appearance of pavement disease has destroyed road surface, reduced road-ability, reduce the road surface traffic capacity, had a strong impact on traffic safety, caused unnecessary economic loss.The disease occurring for road surface must be processed in time, avoids the appearance of above-mentioned situation.For pavement disease, generally adopt the repairing of slotting of the mode of hot-mix asphalt mixture, but at low temperature season, due to the temperature sensitivity of asphalt material, pitch viscosity sharply declines, compound is difficult to construction, after repairing reluctantly, is also difficult to connect well with former road surface, and repair efficiency is often poor.Therefore, adopt hot-mix asphalt mixture mode to repair for pavement disease, cannot adapt to that pavement disease area is little, place disperses, away from the situation of batching plant, the pavement disease occurring under the rugged surroundings such as low temperature season, sleety weather also cannot be realized timely repairing.
Cold-repairing material is a kind ofly to mix and stir at normal temperatures, and the compound that can use under low temperature, wet environment, without high-temperature heating, is saved the energy, has reduced the actual bodily harm to operating personnel; Can, because extremes of temperature produces waste material, not be conducive to economize on resources and control cost.Most critical be the environmental restraint that cold-repairing material has been broken through hot-mix asphalt mixture repairing method, can under low temperature season, sleety weather condition, be directly used in repairing pavement disease, efficiently solve the problem that adopts hot-mix asphalt mixture can not repair in time pavement disease.
But current domestic shortage is carried out quantitative evaluation to the low-temperature working degree of cold-repairing material product on market, mostly adopts micro-judgment method, its weak point is: test findings is affected greatly by subjective factor, just qualitatively judge, cannot realize quantitative measurment, the poor reliability of judged result.
Summary of the invention
The object of the invention is to solve above-mentioned prior art problem, a kind of cold-repairing material low-temperature construction workability energy test instrument and test method are provided, the present invention is simple in structure, operation and easy to maintenance, easy temperature control system.
The present invention is achieved by the following technical solutions:
A kind of cold-repairing material low-temperature construction workability energy test instrument, comprise insulation can, in insulation can, be placed with apparatus for automatically lifting and the die trial that holds cold-repairing material, described die trial is placed on meter ruled paper, described die trial offers S button, on described apparatus for automatically lifting, be fixed with electromagnet, electromagnet absorption has counterweight, and described counterweight is driven and acts on test specimen by apparatus for automatically lifting by electromagnet.
Described die trial is the cylindric of top end opening, and described S button is arranged on die trial side.
Described die trial is placed on mobile discharge plate, conveniently puts the compound that die trial or taking-up are scattered.
Described apparatus for automatically lifting is rack-mount.
Described support is fixedly mounted on base, and described mobile discharge plate is placed on base.
Described apparatus for automatically lifting includes the crossbeam of fixed electromagnet, and described electromagnet is fixed on crossbeam.
In described sweat box, be further placed with Programmable Logic Controller, described Programmable Logic Controller is positioned at apparatus for automatically lifting top.
A cold-repairing material low-temperature construction workability energy test method, comprises the following steps:
(1) the cold-repairing material sample of mixing is filled to die trial, die trial is placed in sweat box, die trial is placed on meter ruled paper, puts counterweight into sweat box simultaneously;
(2) regulate the temperature in sweat box temperature required for test, make cold-repairing material at this temperature, be incubated 12h, then die trial is smashed to taking-up from S, remaining cylindric cold-repairing material test specimen, on rice ruled paper, continues insulation 12h;
(3) fast by counterweight and electromagnet absorption, apparatus for automatically lifting is controlled counterweight uniform descent until counterweight contacts with test specimen, powered-down, and electromagnet loses magnetism, and counterweight is exerted pressure to test specimen until cold-repairing material test specimen scatters completely;
(4), after cold-repairing material test specimen is scattered on meter ruled paper, along the compound edge line of being scattered, calculate the be scattered size of area of cold-repairing material, as evaluating cold-repairing material low-temperature working degree index.
While filling die trial, assurance is pine dress, does not need to clap and presses.
Putting into of described test specimen realizes with taking out by mobile discharge plate.
Compared with prior art, the present invention at least has following beneficial effect: the present invention is by controlling the true low temperature environment of temperature simulation of sweat box, cold-repairing material is positioned in die trial after insulation, die trial is taken out from side, only retain cylindric cold-repairing material test specimen, continue insulation, after end, magnet band is magnetic, itself and counterweight are adsorbed, counterweight is placed on to cold-repairing material test specimen surface under the drive of apparatus for automatically lifting, now, powered-down, electromagnet loses magnetism, utilize counterweight cold-repairing material to be exerted pressure until cold-repairing material scatters completely, finally along the cold-repairing material edge line of scattering, take off cold-repairing material and rice ruled paper, calculate the be scattered size of area of cold-repairing material, as evaluating cold-repairing material low-temperature working degree index.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, content of the present invention is described in further details.
Fig. 1 is a kind of cold-repairing material low-temperature construction workability energy test instrument front view (FV).
Specific implementation method
With reference to Fig. 1, a kind of cold-repairing material low-temperature construction workability energy test instrument, comprises temperature control parts, test component and observation parts, and described temperature control parts comprise that sweat box 21, temperature chamber door 23, handle 22, temperature regulate rotary knob 17, power switch 16.Electromagnet 6, support 19, base 5, mobile discharge plate 4, counterweight 7, die trial 1, central controller 10, Programmable Logic Controller 18, stopwatch 25 that described test component comprises apparatus for automatically lifting 20, is connected with apparatus for automatically lifting, described observation parts comprise visual windows, temperature display 9, rice ruled paper 2, ruler 24.
Described apparatus for automatically lifting 20 and die trial 1 are positioned at insulation can 21, described die trial 1 is placed on meter ruled paper 2, and described die trial 1 is the cylindric of top end opening, and the side opening of described die trial 1 is provided with S button 3, described die trial 1 is placed on mobile discharge plate 4, conveniently puts the compound that die trial or taking-up are scattered; Described apparatus for automatically lifting 20 is arranged on support 19, and described support 19 is fixedly mounted on base 5, and described mobile discharge plate 4 is placed on base; Described apparatus for automatically lifting 20 includes crossbeam, is fixed with described electromagnet 6 on crossbeam, and electromagnet 6 absorption have counterweight 7, and described counterweight 7 is driven and acts on test specimen by apparatus for automatically lifting 20 by electromagnet 6.
In described sweat box, be further placed with Programmable Logic Controller 18, described Programmable Logic Controller 18 is positioned at apparatus for automatically lifting top.Described sweat box further includes transparent temperature chamber door 23, handle 22, temperature adjusting rotary knob 17, and power switch 16.
Described cold-repairing material low-temperature construction workability energy test instrument further includes central controller 10) this central controller 10 comprises start button 11, controls counterweight rising button 12, controls counterweight decline button 13, setpoint distance button 14, normal relay indicating light 8 and display screen 15.
The size of described sweat box 21 is 404mm * 404mm * 604mm, can change sweat box size according to compound test specimen size, and its effect is insulation, guarantees the temperature constant of cold-repairing material in test process.The adjustable temperature range of described sweat box 21 is-20 ℃～40 ℃, and its effect is to make cold-repairing material remain on same temperature in whole process of the test.
Described temperature chamber door 23 is realized and is opened and close by handle 22, and its effect is to put and take out apparatus for automatically lifting 20, support 19, base 5, electromagnet 6, counterweight 7 and die trial 1 into.
Described apparatus for automatically lifting 20 is connected with Programmable Logic Controller 18 and central controller 10, can accurately control the height of counterweight 7 liftings, makes counterweight 7 be placed on stably test specimen surface.
The magnetic size of described electromagnet 6 is selected according to the weight of counterweight 7, and its effect is to pick up counterweight 7 after energising, by apparatus for automatically lifting 20, moves to test specimen surface, after power-off, counterweight 7 is put down.
Described support 19 bottoms are fixed on base 5, and its effect is the orbit of apparatus for automatically lifting 20.Described base 5 is fixed in sweat box 21, and its effect is fixed support 19 and holds cold-repairing material test specimen.
Described mobile discharge plate 4 is arranged on base 5, can move forward and backward, and its effect is to stretch out sweat box 21 to put die trial 1 or take out the compound being scattered.
Described counterweight 7 is made by cast iron, be oblate cylinder, height is 30mm, diameter is 100mm, its weight is according to being pressed loose required power to determine after the refrigeration of cold-repairing material test specimen in the set time, need to carry out in advance pressure testing experiment, being pressed loose power to determine according to test specimen in the set time, select the suitable counterweight 7 of quality, its effect is that cold-repairing material test specimen is exerted pressure.
Described counterweight 7 tops are cast with high 30mm, the right cylinder iron block of diameter 20mm, and its effect is conveniently to pick and place counterweight 7.
Described die trial 1 belongs to ironwork, can be also other material, is the cylindric of top end opening, and diameter is 100mm, high 70mm, and side can rely on S button 3 to open and close with closing, and its effect is to fill loose cold-repairing material, moulding cold-repairing material test specimen, and can take out compound test specimen.
Described stopwatch 25 is naturally to press test specimen to carry out timing to counterweight 7, and the time used is to determine according to the hardness after counterweight 7 weight and test specimen refrigeration, need to carry out in advance pressure testing experiment, according to test specimen, is pressed the loose time to determine.
Described central controller 10 consists of start button 11, control counterweight rising button 12, control counterweight decline button 13, setpoint distance button 14, normal relay indicating light 8 and display screen 15, the system of central controller 12 inner settings comprises distant-control system and speed control system, shows the distance (mm) setting on display screen 15.
Described start button 11 is power supply control knobs, and by next startup instrument, normal relay indicating light 8 is bright to be represented instrument all are normal, again presses the button and recovers original Shape Representation powered-down.Press and control 20 control counterweights 7 declines of 13 apparatus for automatically lifting of counterweight decline button, drop to setpoint distance and automatically stop, controlling counterweight decline button 13 automatic springs.Press and control counterweight 7 risings processed of 12 apparatus for automatically lifting 20 of counterweight rising button, rise to maximum height and automatically stop, controlling counterweight rising button 12 automatic springs.
Described setpoint distance button 14 is that the distance that apparatus for automatically lifting 20 is declined arranges, and is set to counterweight 7 bottom surfaces apart from the distance of cold-repairing material test specimen end face, can, according to the setting that needs of oneself, on display screen 15, will demonstrate the distance (mm) of setting.
Described programmable manipulator 18 is that the information of central controller 10 is delivered to apparatus for automatically lifting 20, and apparatus for automatically lifting 20 is worked on request.
Described visual windows is transparent toughened glass, and its effect is that observation counterweight 7 falls and rising situation.
Described temperature display 9 range of readings are-20 ℃～40 ℃.
The long 200mm of described rice ruled paper 2, wide 200mm, its size is determined by the cold-repairing material test specimen maximum area of being scattered, and can be rectangle, can be also square, is put on base 5, and its effect is the picture cold-repairing material test specimen area that is scattered.
Described ruler 24 ranges are 20cm or 50cm etc., can determine according to the compound area that is scattered, and its effect is the area of measuring drawn circle on rice ruled paper 2.
The invention allows for a kind of cold-repairing material low-temperature construction workability energy test method, concrete enforcement comprises the following steps:
1) die trial 1 is cleaned, and the cold-repairing material sample of mixing is filled to die trial, and attention is pine dress, does not need to clap and presses, and die trial mouth strikes off with ruler.
2) turn on the power switch 16, regulate temperature to regulate rotary knob 17, displays temperature in observed temperature display screen 9, whether detected temperatures case 21 normally works, and presses start button 11 simultaneously, and normal relay indicating light 8 is bright, represent that determinator is in normal operating conditions, now apparatus for automatically lifting 20 is apart from programmable manipulator 80mm place, and whether mobile discharge plate 4, check and normally work.
3) after detecting, if the serviceability of sweat box 21 is good, powered-down switch 16.Rely on handle 22 to open temperature chamber door 23, the rice ruled paper 2 that tiles on base 5, is placed on die trial 1 on meter ruled paper 2, puts counterweight 7 into sweat box 21, closing temperature chamber door 23 simultaneously.
4) turn on the power switch 16, regulate temperature to regulate rotary knob 17, regulate sweat box 21 temperature temperature required to testing, at this temperature, cold-repairing material is incubated to 12h in sweat box 21, then die trial 1 is opened from the S button 3 of side, and take out from sweat box 21, only surplus cylindric cold-repairing material test specimen, on rice ruled paper 2, continues insulation 12h.
5) after insulation finishes, press start button 11, now electromagnet 6 has magnetic, opens temperature chamber door 23, fast counterweight 7 is aimed at and inhaled on electromagnet 6, closing temperature chamber door 23, presses setpoint distance button (14), carries out distance setting, press after setting completed and control counterweight decline button 13, apparatus for automatically lifting 20 will be controlled counterweight 7 uniform descents, now can observe counterweight 7 decline situations by visual windows, occur that abnormal conditions can stop apparatus for automatically lifting 20.
6) apparatus for automatically lifting 20 is controlled when counterweight 7 drops to setpoint distance and is automatically stopped, control immediately counterweight decline button 13 automatic springs, power supply is closed automatically simultaneously, electromagnet 6 loses magnetism, counterweight 7 is placed on to cold-repairing material test specimen surface, now with stopwatch 25, start counterweight 7 naturally to press test specimen to carry out timing, cold-repairing material, due to counterweight 7 applied pressures, slowly scatters.
7) when counterweight finishes for 7 action times, press start button 11, i.e. opening power, electromagnet 6 recovers magnetic, presses immediately and controls counterweight rising button 12, and apparatus for automatically lifting 20 will be controlled counterweight 7 risings, while rising to apart from programmable manipulator 80mm, automatically stop, control counterweight rising button 12 automatic springs, now, again press on the other hand start button 11, represent to close test instrument power supply, electromagnet 7 loses magnetism, and catches on the other hand counterweight 7, and counterweight 7 is taken out from sweat box 21.
8) now original columned cold-repairing material test specimen has been scattered on meter ruled paper 2, opens temperature chamber door 23, pulls out discharge plate 4, takes black pen along the setting-out of compound edge, takes off cold-repairing material and rice ruled paper 2 after painting, and cold-repairing material is poured on to fixing local collection.
9) with ruler 24 along rice ruled paper 2 cross x, y orientation measurement diameter, get its mean value as the be scattered diameter of area of cold-repairing material, calculate size, as evaluating cold-repairing material low-temperature working degree index.
10) after off-test, powered-down switch 16, the temperature in sweat box 21 returns to after normal temperature by the time, sweat box 21 inner sides are cleaned out, closing temperature chamber door 23, finally, by counterweight 7 and die trial 1 inner side wiped clean, whole test operation finishes.
The advantage that the technology of the present invention is outstanding is:
1, apparatus of the present invention are aimed at the test of cold-repairing material low-temperature working degree and design, test unit can quantitative test cold-repairing material low-temperature working degree, have more cogency, device to test principle is simple, easy and simple to handle, test is accurate, process of the test is fast, can test at any time, more press close to the check of Spot Cooling feed supplement low-temperature working degree.
2, its Insulation can make cold-repairing material in whole process of the test, keep required temperature, makes test findings have more reliability, better simulates the situation of change of cold-repairing material low-temperature working degree at actual environment temperature.
3, utilize and to apply a bed knife, measure the compound area that is scattered and evaluate cold-repairing material low-temperature working degree and more press close to engineering reality, and this bed knife is by apparatus for automatically lifting, to move counterweight to be achieved, compare machinery with other method of testings simple, easily realize.
4, the detection of this testing equipment and the manufacturing expense of instrument are all not high, safeguard easy to usely, and this testing equipment reliability is high simultaneously, is conducive to apply.
Claims (10)
1. a cold-repairing material low-temperature construction workability energy test instrument, it is characterized in that: comprise insulation can (21), in insulation can, be placed with apparatus for automatically lifting (20) and hold the die trial (1) of cold-repairing material, described die trial is placed on a meter ruled paper (2), described die trial (1) offers S button (3), on described apparatus for automatically lifting (20), be fixed with electromagnet (6), electromagnet (6) absorption has counterweight (7), and described counterweight (7) is driven and acts on test specimen by apparatus for automatically lifting by electromagnet (6).
2. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 1, is characterized in that: described die trial (1) is the cylindric of top end opening, and described S button (3) is arranged on die trial side.
3. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 1, is characterized in that: it is upper that described die trial (1) is placed on mobile discharge plate (4), conveniently puts the compound that die trial or taking-up are scattered.
4. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 3, is characterized in that: described apparatus for automatically lifting (20) is arranged on support (19).
5. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 4, is characterized in that: it is upper that described support (19) is fixedly mounted on base (5), and described mobile discharge plate (4) is placed on base.
6. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 1, is characterized in that: described apparatus for automatically lifting (20) includes the crossbeam of fixed electromagnet, and described electromagnet is fixed on crossbeam.
7. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 1, is characterized in that: in described sweat box, be further placed with Programmable Logic Controller (18), described Programmable Logic Controller (18) is positioned at apparatus for automatically lifting top.
8. a cold-repairing material low-temperature construction workability energy test method for the cold-repairing material low-temperature construction workability energy test instrument based on described in any one in claim 1 to 7, is characterized in that: comprise the following steps:
(1) the cold-repairing material sample of mixing is filled to die trial, die trial is placed in sweat box, die trial is placed on meter ruled paper, puts counterweight into sweat box simultaneously;
(2) regulate the temperature in sweat box temperature required for test, make cold-repairing material at this temperature, be incubated 12h, then die trial is smashed to taking-up from S, remaining cylindric cold-repairing material test specimen, on rice ruled paper, continues insulation 12h;
(3) fast by counterweight and electromagnet absorption, apparatus for automatically lifting is controlled counterweight uniform descent until counterweight contacts with test specimen, powered-down, and electromagnet loses magnetism, and counterweight is exerted pressure to test specimen until cold-repairing material test specimen scatters completely;
(4), after cold-repairing material test specimen is scattered on meter ruled paper, along the compound edge line of being scattered, calculate the be scattered size of area of cold-repairing material, as evaluating cold-repairing material low-temperature working degree index.
9. test method according to claim 8, is characterized in that: while filling die trial, assurance is pine dress, does not need to clap and presses.
10. test method according to claim 8, is characterized in that: putting into of described test specimen realizes with taking out by mobile discharge plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310689493.XA CN103698269B (en) | 2013-12-16 | 2013-12-16 | Cold-repairing material low-temperature construction workability energy test instrument and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310689493.XA CN103698269B (en) | 2013-12-16 | 2013-12-16 | Cold-repairing material low-temperature construction workability energy test instrument and test method |
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| Publication Number | Publication Date |
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| CN103698269A true CN103698269A (en) | 2014-04-02 |
| CN103698269B CN103698269B (en) | 2016-02-24 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201434866Y (en) * | 2009-04-14 | 2010-03-31 | 江南大学 | Fully-automatic petroleum asphalt penetration measuring instrument |
| CN203053821U (en) * | 2013-01-15 | 2013-07-10 | 西安科技大学 | Bituminous mixture workability test instrument |
| CN103439222A (en) * | 2013-08-09 | 2013-12-11 | 长安大学 | Cold supplement asphalt mixture low temperature working performance testing device and testing method |
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2013
- 2013-12-16 CN CN201310689493.XA patent/CN103698269B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201434866Y (en) * | 2009-04-14 | 2010-03-31 | 江南大学 | Fully-automatic petroleum asphalt penetration measuring instrument |
| CN203053821U (en) * | 2013-01-15 | 2013-07-10 | 西安科技大学 | Bituminous mixture workability test instrument |
| CN103439222A (en) * | 2013-08-09 | 2013-12-11 | 长安大学 | Cold supplement asphalt mixture low temperature working performance testing device and testing method |
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| CN103698269B (en) | 2016-02-24 |
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