CN110146369B - Integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement - Google Patents
Integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement Download PDFInfo
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- CN110146369B CN110146369B CN201910394689.3A CN201910394689A CN110146369B CN 110146369 B CN110146369 B CN 110146369B CN 201910394689 A CN201910394689 A CN 201910394689A CN 110146369 B CN110146369 B CN 110146369B
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- nondestructive inspection
- excitation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/72—Investigating presence of flaws
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Abstract
The invention discloses an infrared nondestructive inspection integrated dual-purpose device for a modified asphalt pavement, which comprises a control unit, a power supply, a shielding door, a side wall, an excitation device and an infrared camera; the side wall consists of a telescopic rod, a soft magnetic plate and a shell; the exciting device consists of a roller mounting groove, a roller, a driving motor, a lifting rod, a rotating shaft and an exciting plate, wherein the exciting plate is divided into A, B two surfaces, the surface A is electromagnetically excited, and the surface B is microwave excited. The invention has high automation degree, high heating efficiency and uniform heating range, can be used for nondestructive inspection of different modified asphalt pavements, realizes the conversion of electromagnetic excitation and microwave excitation by rotating the excitation plate around the rotating shaft, and solves the problem that when a related traditional nondestructive inspection device is used, the nondestructive inspection device is difficult to convert different heating modes according to different pavement conditions, so that the using effect of the nondestructive inspection device is influenced.
Description
Technical Field
The invention belongs to the technical field of infrared nondestructive inspection of pavements, and particularly relates to an infrared nondestructive inspection integrated dual-purpose device for a modified asphalt pavement.
Background
The development of traffic is an important guarantee of national economy, the basis of the traffic is roads, material transportation and personnel trip can not be carried out without the roads, and the quality of road engineering must be ensured in order to ensure the development of the traffic. Therefore, means for inspecting the surface and the interior of the road surface material to be inspected, i.e., a nondestructive inspection technique, without damaging the road surface or the raw material, is of great significance to the construction and maintenance of the road. While there are now a number of non-destructive detection means, for example: ground penetrating radar, drop weight deflectometers, ultrasonic inspection, magnetic particle inspection, etc., but a fast, low-cost, large-scale nondestructive inspection technique is still needed. The infrared nondestructive testing has the advantages, the infrared nondestructive testing is a new technology in nondestructive testing methods, and the testing result is displayed in an infrared thermography mode and is very visual. However, infrared flaw detection has some fatal weaknesses, the technical scheme is realized by using heat, the requirement on temperature is high, a high-efficiency heating method is urgently needed, and the problems that different materials need different heating modes, the materials are damaged by heating for too long time and the like exist, the actual flaw detection effect is influenced, and the application of infrared nondestructive flaw detection cannot be popularized.
Disclosure of Invention
The invention aims to provide an infrared nondestructive inspection integrated dual-purpose device for a modified asphalt pavement, and aims to solve the problems that the requirement on temperature in the existing infrared nondestructive inspection is high, a high-efficiency heating method is urgently needed, different materials need different heating modes, the materials are damaged by heating for a long time, and the actual flaw detection effect is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement, includes the control unit and power, shield door, lateral wall and excitation device, its characterized in that: the box type closed structure comprises four side walls and a shielding door, wherein the four side walls and the shielding door form a bottomless box type closed structure, the top end of the bottomless box type closed structure is rotatably connected with the shielding door through a hinge, the excitation device is positioned on the inner side of the bottomless box type closed structure, and the excitation device comprises a roller mounting groove, a roller, a driving motor, a lifting rod, a rotating shaft and an excitation plate; the utility model discloses a microwave oven, including lifter, axis of rotation, actuating motor's pivot and gyro wheel, the top fixed mounting of lifter has driving motor, driving motor's pivot and the center pin fixed connection of gyro wheel, the bottom fixedly connected with electric rotation axis of lifter, electric rotation axis's the outside is provided with the excitation board, the excitation board includes soft magnetic material mounting panel and metal mounting panel, fixed mounting has evenly distributed's solenoid on the soft magnetic material mounting panel, evenly distributed's microwave electronic tube has been inlayed above the metal mounting panel.
Preferably, the shield door adopts flip formula and material for the low and high metal of conductivity of magnetic permeability, the metal mounting panel adopts the low and high metal of conductivity of magnetic permeability.
Preferably, the roller mounting groove, the roller, the driving motor, the lifting rod and the rotating shaft are made of metal materials with low magnetic permeability and high electric conductivity.
Preferably, the number of the roller mounting grooves is two, and the two roller mounting grooves are respectively mounted on two sides inside the bottomless box type closed structure.
Preferably, the roller mounting grooves are connected with four rollers in a sliding mode, and the four rollers are divided into two groups which are uniformly distributed on the inner sides of the two roller mounting grooves.
Preferably, the side wall is composed of a telescopic rod, a soft magnetic plate and a shell.
Preferably, the housing comprises an outer side wall panel and an inner mounting box.
Preferably, the inner side upper portion of the outer side wall plate is fixedly provided with an inner mounting box body, the top end of the inner side of the inner mounting box body is provided with a telescopic rod, and the bottom end of the telescopic rod is fixedly provided with a soft magnetic plate.
Preferably, the soft magnetic plate is slidably connected with a bottom end sliding groove of the inner mounting box body.
Preferably, the shell and the telescopic rod are made of metal materials with low magnetic permeability and high electric conductivity.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention realizes the conversion of electromagnetic excitation and microwave excitation by the rotation of the excitation plate around the rotating shaft, and can adopt different excitation heating modes according to different modified asphalt pavements, such as: when the modified asphalt pavement is added with the metal material, electromagnetic excitation can be adopted; when the soft magnetic particles, magnetite powder, activated carbon, carbon nanotubes and graphene are added to the modified asphalt pavement, microwave excitation can be adopted. The device heating mode is nimble, integrative dual-purpose, and application scope is wide, not only is applicable to the nondestructive test of modified asphalt pavement, still can be used to the infrared nondestructive test of other materials, has solved when using relevant traditional nondestructive inspection device, and the nondestructive inspection device is difficult to the heating mode that the difference conversion is different according to the road surface condition, influences the result of use's of nondestructive inspection device problem.
2. The soft magnetic plate is controlled to lift through the telescopic rod so as to realize the conversion of the shielding material when the excitation plate works in different excitation modes; when the excitation device is in electromagnetic excitation, the soft magnetic plate descends to serve as a magnetic conductive material, and the soft magnetic plate can realize the collection of an electromagnetic field; when the excitation device is excited by microwaves, the soft magnetic plate rises, the metal shell with low magnetic permeability and high electric conductivity serves as a shielding material, and the metal shell with low magnetic permeability and high electric conductivity can realize the reflection of the microwaves; the shielding device has two functions, so that the efficiency of excitation heating is greatly improved, and the problem that when the infrared nondestructive inspection device is used, the infrared nondestructive inspection device is difficult to convert shielding materials according to a heating mode, and the heating efficiency of the infrared nondestructive inspection device is influenced is solved.
3. The distance between the excitation plate and the heating unit is controlled by the lifting rod; when the excitation device is in electromagnetic excitation, the excitation plate is far away from the heating unit; when the excitation device is excited by microwave, the excitation plate is close to the heating unit; the distance between the excitation plate and the heating unit is determined according to the types of the modified substances and the content of the modified substances in different modified asphalts, so that the heating efficiency is greatly improved, the high-temperature damage of the road surface caused by the too close heating distance is avoided, and the problem that when the infrared nondestructive inspection device is used, the infrared nondestructive inspection device is difficult to adjust the distance between the heating unit and the excitation plate according to the road surface condition to influence the heating effect of the infrared nondestructive inspection device is solved.
4. The electromagnetic coils are uniformly distributed on the surface A of the excitation plate, and the microwave electron tubes are uniformly distributed on the surface B of the excitation plate, so that the heating unit can be effectively and uniformly heated, and the problem that when the infrared nondestructive inspection device is used, the infrared nondestructive inspection device is difficult to effectively ensure that the heating unit is uniformly heated, and the test using effect of the infrared nondestructive inspection device is influenced is solved.
5. The bottomless box type shielding device formed by the side wall and the shielding door effectively avoids the influence of the external environment on the heating unit, improves the accuracy of infrared flaw detection, and solves the problem that when the infrared nondestructive flaw detection device is used, the infrared nondestructive flaw detection device is difficult to effectively avoid the influence of the external environment on the heating unit and influence the test accuracy of the infrared nondestructive flaw detection device.
Drawings
FIG. 1 is a diagram of the operating state of the apparatus;
FIG. 2 is a schematic diagram of the apparatus configuration;
FIG. 3 is a schematic view of the roller mounting groove structure of the device;
FIG. 4 is a schematic illustration of an excitation plate structure;
FIG. 5 is a schematic diagram of a soft magnetic mounting plate;
fig. 6 is a schematic view of a metal mounting plate structure.
In the figure: 1-control unit and power supply, 2-screen door, 3-side wall, 4-excitation device, 5-infrared camera, 6-telescopic rod, 7-soft magnetic plate, 8-shell, 801-inner installation box body, 802-outer side wall plate, 9-roller, 10-driving motor, 11-lifting rod, 12-electric rotating shaft, 13-excitation plate, 13A-soft magnetic material installation plate, 13B-metal installation plate, 14-electromagnetic coil, 15-microwave electronic tube, 16-roller installation groove and 17-ground heating unit block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides an integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement, includes the control unit and power 1, shield door 2, lateral wall 3 and excitation device 4, its characterized in that: the four side walls 3 and the shielding door 2 form a bottomless box type closed structure, the top end of the bottomless box type closed structure is rotatably connected with the shielding door 2 through a hinge, the excitation device 4 is positioned at the inner side of the bottomless box type closed structure, the excitation device 4 comprises a roller mounting groove 16, a roller 9 and a driving motor 10, the microwave oven comprises a lifting rod 11, an electric rotating shaft 12 and an excitation plate 13, wherein a driving motor 10 is fixedly mounted at the top end of the lifting rod 11, a rotating shaft of the driving motor 10 is fixedly connected with a central shaft of a roller 9, the electric rotating shaft 12 is fixedly connected at the bottom end of the lifting rod 11, the excitation plate 13 is arranged on the outer side of the electric rotating shaft 12, the excitation plate 13 comprises a soft magnetic material mounting plate 13A and a metal mounting plate 13B, uniformly distributed electromagnetic coils 14 are fixedly mounted on the soft magnetic material mounting plate 13A, and uniformly distributed microwave electronic tubes 15 are embedded on the metal mounting plate 13B.
The shield door 2 is made of flip-type metal with low magnetic permeability and high electric conductivity, and the metal mounting plate 13B is made of metal with low magnetic permeability and high electric conductivity.
The roller mounting groove 16, the roller 9, the driving motor 10, the lifting rod 11 and the electric rotating shaft 12 are all made of metal materials with low magnetic permeability and high electric conductivity.
The number of the roller mounting grooves 16 is two, and the two roller mounting grooves 16 are respectively mounted on two sides inside the bottomless box type closed structure.
The inner sides of the roller mounting grooves 16 are slidably connected with four rollers 9, the rollers 9 are provided with four, and the four rollers 9 are divided into two groups which are uniformly distributed in the inner sides of the two roller mounting grooves 16.
The side wall 3 is composed of a telescopic rod 6, a soft magnetic plate 7 and a housing 8.
The housing 8 includes an outer side wall plate 802 and an inner mounting box 801.
The inner side upper part of the outer side wall plate 802 is fixedly provided with an inner mounting box body 801, the top end of the inner side of the inner mounting box body 801 is provided with an expansion link 6, and the bottom end of the expansion link 6 is fixedly provided with a soft magnetic plate 7.
The soft magnetic plate 7 is slidably connected to the bottom end slide groove of the inner mounting case 801.
The shell 8 and the telescopic rod 6 are both made of metal materials with low magnetic permeability and high electric conductivity.
The working principle and the using process of the invention are as follows: when the invention is used, the ground heating unit blocks 17 are divided on the road surface before working, wherein the area of the heating unit is the same as that of the exciting plate 13, and when the invention is used, the shielding door 2 is closed along the arrow direction shown in the figure, and then the exciting device 4 starts to work; if the modified asphalt pavement additives are soft magnetic particles, magnetite powder, activated carbon, carbon nano tubes and graphene, microwave excitation is adopted; the telescopic rod 6 is shortened to draw the soft magnetic plate 7 into the inner mounting box body 801 of the shell 8, the outer side wall plate 802 with low magnetic permeability and high electric conductivity serves as a shielding material, the exciting plate 13 rotates around the electric rotating shaft 12 until the metal mounting plate 13B faces downwards, the metal mounting plate 13B faces are made of metal materials with low magnetic permeability and high electric conductivity, the microwave electronic tube 15 starts to work, the metal shell 8 with low magnetic permeability and high electric conductivity and the metal mounting plate 13B faces of the exciting plate 13 reflect microwaves, and heating efficiency is improved. When the modified asphalt pavement additive is a metal material, the excitation device 4 needs to be converted from microwave excitation into electromagnetic excitation, at this time, the telescopic rod 6 is extended to push the soft magnetic plate 7 out of the inner mounting box body 801, the soft magnetic plate 7 serves as a magnetic conductive material, the excitation plate 13 rotates 180 degrees around the electric rotating shaft 12 until the soft magnetic material mounting plate 13A of the excitation plate 13 faces downwards, the soft magnetic material mounting plate 13A is made of a soft magnetic material, the lifting rod 11 drives the excitation plate 13 to descend into a space surrounded by the soft magnetic plate 7, the electromagnetic coil 14 starts to work, and the soft magnetic material mounting plates 7 and 13A of the excitation plate 13 gather magnetic induction lines, so that the heating efficiency is improved.
After the excitation device 4 stops working, the electric rotating shaft 12 drives the excitation plates 13 to rotate from a horizontal state to a vertical state, the driving motor 10 drives the roller 9 to rotate, the roller 9 moves inside the roller mounting groove 16, and the two excitation plates 13 are connected with the roller 9 through the lifting rod 11 and the driving motor 10 and move to two sides along the roller mounting groove 16 under the traction of the roller 9; at the moment, the shielding door 2 is opened, the infrared camera 5 works to perform infrared shooting on the corresponding ground heating unit block 17, and the damage condition of the modified asphalt pavement is analyzed according to the content shot by the infrared camera 5.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (10)
1. The utility model provides an integrative dual-purpose device of infrared nondestructive inspection to modified bituminous paving, includes the control unit and power (1), shield door (2), lateral wall (3) and excitation device (4), its characterized in that: the utility model discloses a novel magnetic shielding door, including lateral wall (3), excitation device (4), bottom-free box type enclosed construction, lateral wall (3) are provided with four altogether, four lateral wall (3) and shielding door (2) constitute no bottom box type enclosed construction, the top of no bottom box type enclosed construction is connected with shielding door (2) through hinge rotation, excitation device (4) are located no bottom box type enclosed construction inboard, excitation device (4) include gyro wheel mounting groove (16), gyro wheel (9), driving motor (10), lifter (11), electronic rotation axis (12) and excitation board (13), the top fixed mounting of lifter (11) has driving motor (10), the pivot of driving motor (10) and the center pin fixed connection of gyro wheel (9), the bottom fixed connection of lifter (11) has electronic rotation axis (12), the outside of electronic rotation axis (12) is provided with excitation board (13), excitation board (13) include soft magnetic material mounting panel (13A) and metal mounting panel (13B), the soft magnetic material mounting plate (13A) is fixedly provided with uniformly distributed electromagnetic coils (14), and uniformly distributed microwave electronic tubes (15) are embedded on the metal mounting plate (13B).
2. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 1, characterized in that: the shielding door (2) is made of flip type materials and is made of metal with low magnetic permeability and high electric conductivity, and the metal mounting plate (13B) is made of metal with low magnetic permeability and high electric conductivity.
3. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 1, characterized in that: the roller mounting groove (16), the roller (9), the driving motor (10), the lifting rod (11) and the electric rotating shaft (12) are all made of metal materials with low magnetic permeability and high electric conductivity.
4. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 3, characterized in that: the roller mounting grooves (16) are two in number, and the two roller mounting grooves (16) are respectively mounted on two sides inside the bottomless box type closed structure.
5. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 4, characterized in that: the roller mounting grooves (16) are connected with rollers (9) in an inner side sliding mode, the rollers (9) are provided with four rollers, and the rollers (9) are divided into two groups which are uniformly distributed in the two roller mounting grooves (16) in an inner side mode.
6. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 1, characterized in that: the side wall (3) is composed of a telescopic rod (6), a soft magnetic plate (7) and a shell (8).
7. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 6, characterized in that: the housing (8) comprises an outer side wall plate (802) and an inner mounting box (801).
8. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 7, characterized in that: the inner side upper portion of the outer side wall plate (802) is fixedly provided with an inner mounting box body (801), the top end of the inner side of the inner mounting box body (801) is provided with a telescopic rod (6), and the bottom end of the telescopic rod (6) is fixedly provided with a soft magnetic plate (7).
9. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to claim 8, characterized in that: the soft magnetic plate (7) is connected with the bottom end sliding groove of the inner mounting box body (801) in a sliding mode.
10. The infrared nondestructive inspection integrated dual-purpose device for the modified asphalt pavement according to any one of claims 7 to 9, characterized in that: the shell (8) and the telescopic rod (6) are made of metal materials with low magnetic permeability and high electric conductivity.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910394689.3A CN110146369B (en) | 2019-05-13 | 2019-05-13 | Integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910394689.3A CN110146369B (en) | 2019-05-13 | 2019-05-13 | Integrative dual-purpose device of infrared nondestructive inspection to modified asphalt pavement |
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| CN110146369B true CN110146369B (en) | 2021-12-10 |
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| CN112323652B (en) * | 2020-10-27 | 2022-09-13 | 合肥工业大学 | Steel bridge deck pavement layer pit slot repairing method based on induction heating |
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| CN102182137A (en) * | 2011-02-25 | 2011-09-14 | 广州飒特电力红外技术有限公司 | Pavement defect detection system and method |
| ITRM20130381A1 (en) * | 2013-06-28 | 2014-12-29 | Diagnostic Engineering Solutions S R L | MODULAR DEVICE FOR STRUCTURAL DIAGNOSTICS OF MATERIALS AND VARIOUS STRUCTURES, THROUGH THERMOGRAPHIC TECHNIQUES WITH MULTIPLE EXCITATIONS. |
| CN104764770A (en) * | 2015-03-30 | 2015-07-08 | 南京航空航天大学 | Pulsed eddy current infrared thermal imaging detection system and method for steel rail cracks |
| CN204780556U (en) * | 2015-06-30 | 2015-11-18 | 江苏奥新科技有限公司 | Multi -functional bituminous paving hot repair assisting vehicle |
| JP6708163B2 (en) * | 2017-04-26 | 2020-06-10 | 三菱電機株式会社 | Mobile flaw detector |
| CN108918242A (en) * | 2018-08-02 | 2018-11-30 | 长安大学 | Multifunction test device and method for asphalt mixing, preparation and microwave aging |
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