CN103698269B - Cold-repairing material low-temperature construction workability energy test instrument and test method - Google Patents
Cold-repairing material low-temperature construction workability energy test instrument and test method Download PDFInfo
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- CN103698269B CN103698269B CN201310689493.XA CN201310689493A CN103698269B CN 103698269 B CN103698269 B CN 103698269B CN 201310689493 A CN201310689493 A CN 201310689493A CN 103698269 B CN103698269 B CN 103698269B
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Abstract
The invention discloses a kind of cold-repairing material low-temperature construction workability energy test instrument and test method, comprising temperature-controlled member, test component and observation parts.Described temperature-controlled member comprises sweat box, temperature chamber door, handle, temperature adjustment rotary knob, power switch.Described test component comprises apparatus for automatically lifting, the electromagnet be connected with apparatus for automatically lifting, support, base, mobile discharge plate, counterweight, die trial, Programmable Logic Controller, central controller, stopwatch.Described observation parts comprise visual windows, temperature display, rice ruled paper, ruler.The present invention is pressed loose size for measuring cold-repairing material test specimen, evaluates the low-temperature construction workability of cold-repairing material, proposes a kind of New Set evaluating cold-repairing material low-temperature construction workability energy.
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, the disease such as there will be loose, hole groove, peel off, it is due attractive in appearance that the appearance of pavement disease destroys road surface, reduce road-ability, reduce the road surface traffic capacity, had a strong impact on traffic safety, cause unnecessary economic loss.The disease occurred for road surface must process in time, avoids the appearance of above-mentioned situation.The mode of hot-mix asphalt mixture is generally adopted to slot repairing for pavement disease, but at low temperature season, due to the temperature sensitivity of asphalt material, pitch viscosity sharply declines, compound is difficult to construction, and be also difficult to former road surface after repairing reluctantly connect well, repair efficiency is often poor.Therefore, adopt hot-mix asphalt mixture mode to be used for pavement disease and repair, cannot adapt to that pavement disease area is little, place dispersion, situation away from batching plant, the pavement disease occurred under the rugged surroundings such as low temperature season, sleety weather also cannot realize timely repairing.
Cold-repairing material is that one is mixed and stirred at normal temperatures, the compound that can use under low temperature, wet environment, and without the need to high-temperature heating, economize energy, decreases the actual bodily harm to operating personnel; Waste material can not be produced because of extremes of temperature, be conducive to economizing on resources and control cost.It is crucial that cold-repairing material breaches the environmental restraint of hot-mix asphalt mixture repairing method, repairing pavement disease can be directly used under low temperature season, sleety weather condition, efficiently solve the problem adopting hot-mix asphalt mixture can not repair pavement disease in time.
But current domestic shortage carries out quantitative evaluation to the low-temperature working degree of cold-repairing material product on market, mostly adopt micro-judgment method, its weak point is: test findings affects greatly by subjective factor, just qualitatively judge, cannot quantitative measurment be realized, the poor reliability of judged result.
Summary of the invention
The object of the invention is to solve above-mentioned prior art problem, provide a kind of cold-repairing material low-temperature construction workability energy test instrument and test method, structure of the present invention is simple, 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, apparatus for automatically lifting and the die trial holding cold-repairing material is placed with in insulation can, described die trial is placed on meter ruled paper, described die trial offers S button, described apparatus for automatically lifting is fixed with electromagnet, and electromagnet is adsorbed with counterweight, and described counterweight is driven by apparatus for automatically lifting by electromagnet and acts on test specimen.
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.
Be placed with Programmable Logic Controller further in described sweat box, described Programmable Logic Controller is positioned at above apparatus for automatically lifting.
A kind of cold-repairing material low-temperature construction workability energy test method, comprises the following steps:
(1) the cold-repairing material sample mixed is filled die trial, die trial be placed in sweat box, die trial is placed on meter ruled paper, puts counterweight into sweat box simultaneously;
(2) regulating the temperature in sweat box temperature required for testing, making cold-repairing material be incubated 12h at this temperature, then die trial being smashed taking-up from S, remaining cylindric cold-repairing material test specimen, on rice ruled paper, continues insulation 12h;
(3) counterweight and electromagnet are adsorbed fast, apparatus for automatically lifting controls counterweight uniform descent until counterweight contacts with test specimen, powered-down, and electromagnet loses magnetism, and counterweight applies pressure until cold-repairing material test specimen scatters completely to test specimen;
(4) cold-repairing material test specimen is scattered in after on meter ruled paper, along the compound edge line of being scattered, calculates cold-repairing material and to be scattered the size of area, as evaluation cold-repairing material low-temperature working degree index.
When filling die trial, guarantee is pine dress, does not need to clap pressure.
Putting into of described test specimen is realized by mobile discharge plate with taking out.
Compared with prior art, the present invention at least has following beneficial effect: the present invention is by the true low temperature environment of temperature simulation of control temperature case, cold-repairing material is positioned over after being incubated in die trial, 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, under the drive of apparatus for automatically lifting, counterweight is placed on cold-repairing material surface of test piece, now, powered-down, electromagnet loses magnetism, counterweight is utilized to apply pressure until cold-repairing material scatters completely to cold-repairing material, finally along the cold-repairing material edge line of scattering, take off cold-repairing material and rice ruled paper, calculate cold-repairing material to be scattered the size of area, as evaluation 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-controlled member, test component and observation parts, and described temperature-controlled member comprises sweat box 21, temperature chamber door 23, handle 22, temperature adjustment rotary knob 17, power switch 16.Described test component comprises apparatus for automatically lifting 20, the electromagnet 6 be connected with apparatus for automatically lifting, support 19, base 5, mobile discharge plate 4, counterweight 7, die trial 1, central controller 10, Programmable Logic Controller 18, stopwatch 25, and 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, and crossbeam is fixed with described electromagnet 6, electromagnet 6 is adsorbed with counterweight 7, and described counterweight 7 is driven by apparatus for automatically lifting 20 by electromagnet 6 and acts on test specimen.
Be placed with Programmable Logic Controller 18 further in described sweat box, described Programmable Logic Controller 18 is positioned at above apparatus for automatically lifting.Described sweat box includes transparent temperature chamber door 23, handle 22, temperature adjustment rotary knob 17 further, and power switch 16.
Described cold-repairing material low-temperature construction workability energy test instrument includes central controller 10 further) this central controller 10 comprises start button 11, controls counterweight raise 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, ensures the temperature constant of cold-repairing material in test process.The adjustable temperature range of described sweat box 21 is-20 DEG C ~ 40 DEG C, and its effect makes cold-repairing material remain on same temperature in whole process of the test.
Described temperature chamber door 23 realizes opening and closedown by handle 22, and apparatus for automatically lifting 20, support 19, base 5, electromagnet 6, counterweight 7 and die trial 1 are put and taken out in its effect into.
Described apparatus for automatically lifting 20 is connected with Programmable Logic Controller 18 and central controller 10, accurately can control the height that counterweight 7 is elevated, make counterweight 7 be placed on surface of test piece stably.
The magnetic size of described electromagnet 6 is selected according to the weight of counterweight 7, and its effect picks up counterweight 7 after energising, moves to surface of test piece, put down by counterweight 7 after power-off by apparatus for automatically lifting 20.
Described support 19 bottom is 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 stretches out sweat box 21 to put die trial 1 or to take out the compound be scattered.
Described counterweight 7 is made by cast iron, in oblate cylinder, height is 30mm, diameter is 100mm, its weight is determined by the loose required power of pressure in the set time according to after the refrigeration of cold-repairing material test specimen, needs to carry out pressure testing experiment in advance, determined according to test specimen in the set time by the power that pressure is loose, select the counterweight 7 that quality is suitable, its effect applies pressure to cold-repairing material test specimen.
Described counterweight 7 top is cast with high 30mm, the right cylinder iron block of diameter 20mm, and its effect conveniently picks and places counterweight 7.
Described die trial 1 belongs to ironwork, can be also other material, cylindric in top end opening, and diameter is 100mm, high 70mm, and side can rely on S to detain 3 and open and close with conjunction, and its effect fills loose cold-repairing material, shaping cold-repairing material test specimen, and can take out compound test specimen.
Described stopwatch 25 naturally presses test specimen to carry out timing to counterweight 7, the time used be according to counterweight 7 weight and test specimen refrigeration after hardness determine, need to carry out in advance pressure testing experiment, pressed the loose time to determine according to test specimen.
Described central controller 10 is made up of start button 11, control counterweight raise 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 setting comprises distant-control system and speed control system, display screen 15 shows set distance (mm).
Described start button 11 is power control button, presses, starts instrument, and all are normal for normal relay indicating light 8 bright then expression instrument, again press the button and recover original Shape Representation powered-down.Press and control counterweight decline button 13 apparatus for automatically lifting 20 and control counterweight 7 and decline, drop to setpoint distance and automatically stop, controlling counterweight decline button 13 automatic spring.Press control counterweight raise button 12 apparatus for automatically lifting 20 counterweight 7 processed to rise, rise to maximum height and then automatically stop, controlling counterweight raise button 12 automatic spring.
Described setpoint distance button 14 arranges the distance that apparatus for automatically lifting 20 declines, and is set to the distance of counterweight 7 bottom surface apart from cold-repairing material test specimen end face, can according to oneself need arrange, 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 is-20 DEG C ~ 40 DEG C.
The long 200mm of described rice ruled paper 2, wide 200mm, its size is determined by cold-repairing material test specimen maximum area of being scattered, and can be rectangle, also can be square, be put on base 5, and its effect is that picture cold-repairing material test specimen is scattered area.
Described ruler 24 range is 20cm or 50cm etc., and can be scattered area and determining according to compound, its effect is the area 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 mixed is filled die trial, and attention is pine dress, and do not need to clap pressure, die trial mouth ruler strikes off.
2) 16 are turned on the power switch, temperature is regulated 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, then represent that determinator is in normal operating conditions, now apparatus for automatically lifting 20 is at distance programmable manipulator 80mm place, and mobile discharge plate 4, checks whether normal 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, base 5 tiles a rice ruled paper 2, die trial 1 is placed on meter ruled paper 2, puts counterweight 7 into sweat box 21 simultaneously, closing temperature chamber door 23.
4) 16 are turned on the power switch, temperature is regulated to regulate rotary knob 17, regulate sweat box 21 temperature temperature required to testing, at this temperature cold-repairing material is incubated 12h in sweat box 21, then the S button 3 of die trial 1 from side is opened, and take out from sweat box 21, only surplus cylindric cold-repairing material test specimen is on rice ruled paper 2, continues insulation 12h.
5) after insulation terminates, press start button 11, now electromagnet 6 has magnetic, opens temperature chamber door 23, fast counterweight 7 is aimed at and inhale on electromagnet 6, closing temperature chamber door 23, presses setpoint distance button (14), carries out distance and arranges, press after setting completed and control counterweight decline button 13, apparatus for automatically lifting 20 will control counterweight 7 uniform descent, now can observe counterweight 7 by visual windows and to decline situation, occur that abnormal conditions can stop apparatus for automatically lifting 20.
6) apparatus for automatically lifting 20 controls automatically to stop when counterweight 7 drops to setpoint distance, control counterweight decline button 13 automatic spring immediately, power supply is closed automatically simultaneously, electromagnet 6 loses magnetism, counterweight 7 is placed on cold-repairing material surface of test piece, now start naturally to press test specimen to carry out timing to counterweight 7 with stopwatch 25, cold-repairing material, due to counterweight 7 applied pressure, slowly scatters.
7) at the end of counterweight 7 action time, start button 11 is pressed, i.e. opening power, electromagnet 6 recovers magnetic, and press immediately and control counterweight raise button 12, then control counterweight 7 rises by apparatus for automatically lifting 20, rise to and then automatically stop apart from during programmable manipulator 80mm, control counterweight raise button 12 automatic spring, now, again press start button 11 on the other hand, represent and close test instrument power supply, electromagnet 7 loses magnetism, and catches counterweight 7 on the other hand, is taken out by counterweight 7 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, and pull-out discharge plate 4, by 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 fixing local collection.
9) with ruler 24 along rice ruled paper 2 cross x, y orientation measurement diameter, get its mean value and to be scattered as cold-repairing material the diameter of area, calculate size, as evaluation cold-repairing material low-temperature working degree index.
10), after off-test, powered-down switch 16, the temperature return by the time in sweat box 21 is after normal temperature, and clean out inside sweat box 21, closing temperature chamber door 23, finally by wiped clean inside counterweight 7 and die trial 1, whole test operation terminates.
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 the low-temperature working degree of quantitative test cold-repairing material, 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 inspection of Spot Cooling feed supplement low-temperature working degree.
2, its Insulation can make cold-repairing material keep required temperature in whole process of the test, makes test findings have more reliability, the situation of change of cold-repairing material low-temperature working degree at better simulation actual environment temperature.
3, utilize applying bed knife, measure the compound area that is scattered and more press close to engineering reality to evaluate cold-repairing material low-temperature working degree, and this bed knife moves counterweight by apparatus for automatically lifting to be achieved, machinery is simple compared with other method of testings, easily realizes.
4, the detection of this testing equipment and the manufacturing expense of instrument all not high, safeguard easy to use, this testing equipment reliability is high simultaneously, is conducive to applying.
Claims (10)
1. a cold-repairing material low-temperature construction workability energy test instrument, it is characterized in that: comprise insulation can (21), be placed with apparatus for automatically lifting (20) in insulation can 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), described apparatus for automatically lifting (20) is fixed with electromagnet (6), electromagnet (6) is adsorbed with counterweight (7), and described counterweight (7) is driven by apparatus for automatically lifting by electromagnet (6) and acted on test specimen.
2. a kind of cold-repairing material low-temperature construction workability energy test instrument according to claim 1, is characterized in that: cylindric in top end opening of described die trial (1), 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: 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, it is characterized in that: described support (19) is fixedly mounted on base (5), 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, it is characterized in that: be placed with Programmable Logic Controller (18) in described insulation can further, described Programmable Logic Controller (18) is positioned at above apparatus for automatically lifting.
8., based on a cold-repairing material low-temperature construction workability energy test method for the cold-repairing material low-temperature construction workability energy test instrument in claim 1 to 7 described in any one, it is characterized in that: comprise the following steps:
(1) the cold-repairing material sample mixed is filled die trial, die trial be placed in insulation can, die trial is placed on meter ruled paper, puts counterweight into sweat box simultaneously;
(2) regulating the temperature in insulation can temperature required for testing, making cold-repairing material be incubated 12h at this temperature, then die trial being smashed taking-up from S, remaining cylindric cold-repairing material test specimen, on rice ruled paper, continues insulation 12h;
(3) counterweight and electromagnet are adsorbed fast, apparatus for automatically lifting controls counterweight uniform descent until counterweight contacts with test specimen, powered-down, and electromagnet loses magnetism, and counterweight applies pressure until cold-repairing material test specimen scatters completely to test specimen;
(4) cold-repairing material test specimen is scattered in after on meter ruled paper, along the compound edge line of being scattered, calculates cold-repairing material and to be scattered the size of area, as evaluation cold-repairing material low-temperature working degree index.
9. test method according to claim 8, is characterized in that: when filling die trial, and guarantee is pine dress, does not need to clap pressure.
10. test method according to claim 8, is characterized in that: the compound be scattered of putting into or take out of described die trial is realized 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 CN103698269A (en) | 2014-04-02 |
| CN103698269B true 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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| CN103698269A (en) | 2014-04-02 |
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