SMA modified asphalt surface layer construction quality nondestructive testing device

Abstract

The utility model relates to the field of construction quality detection, and discloses an SMA modified asphalt surface layer construction quality nondestructive detection device which comprises a mounting bracket, a detection equipment shell is fixedly mounted on the bottom surface of the mounting bracket, and cleaning mechanisms are arranged on the left side and the right side of the mounting bracket correspondingly. The cleaning mechanism comprises an L-shaped fixing rod, a rectangular groove, a connecting rod, a spring, a connecting support plate, a support column and an arc-shaped baffle plate, when the mounting bracket drives the detection equipment shell to move and detect, the arc-shaped baffle plate can play an important role and can effectively push sundries on the SMA modified asphalt surface layer to two sides, so that the cleaning efficiency is improved; the SMA modified asphalt surface layer flatness detection device can effectively detect the SMA modified asphalt surface layer flatness, interference of the impurities on detection equipment can be reduced through the arc-shaped baffle, and then the detection accuracy is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of construction quality detection, in particular to a SMA modified asphalt surface layer construction quality nondestructive testing device. BACKGROUND

[0002] SMA modified asphalt is a kind of asphalt mastic composed of asphalt, fiber stabilizer, mineral powder and a small amount of fine aggregate, which is filled in the mixture formed by the intermittent gradation of the mineral aggregate skeleton, and is not a stone matrix structure asphalt mixture. It has the characteristics of high skid resistance, wear resistance, durability and good low temperature crack resistance, and is suitable for highways, airport runways and other road surfaces that need to bear high traffic load and environmental pressure. The SMA modified asphalt surface layer construction quality nondestructive testing device is a device for detecting the asphalt surface layer, which generally includes a laser flatness detector, a geological radar (GPR), an infrared detection device, a nuclear density meter, a sound wave detection device, etc. Through these devices, the quality indicators of the asphalt surface layer can be comprehensively detected to ensure the construction quality.

[0003] As disclosed in the invention patent with the publication number CN117364584B, a kind of asphalt surface layer construction quality nondestructive testing device, the present application belongs to the technical field of construction quality detection, specifically refers to a kind of asphalt surface layer construction quality nondestructive testing device, including balance walking component, laser flatness detection device, sensing controller component and automatic tractor, using automatic tractor to pull balance walking component to walk on asphalt pavement, laser flatness detection device detects the flatness of road surface through laser ranging principle, simultaneously measures the rotation angle of laser flatness detection device, can be used for analyzing the flatness of asphalt surface layer in horizontal and vertical directions, provides new evaluation data, makes the evaluation standard of asphalt surface layer detection more stereoscopic, obtains accurate detection result, solves the problem that the evaluation index of detection flatness is less in the current asphalt surface layer construction quality nondestructive testing, which leads to inaccurate detection result.

[0004] However, in actual use, it is found that: the device moves the laser flatness detection device on the asphalt surface layer with the help of the bearing chassis, and then realizes the detection of the flatness of the asphalt surface layer;

[0005] However, since there are often sundries such as large stones, branches, plastic bags, etc. on the asphalt pavement, and the laser flatness detection device detects the flatness of the road surface based on the laser ranging principle, when the laser beam emitted by the laser probe head is blocked by these sundries, it will affect the accuracy of the detection. In addition, if the bearing chassis comes into contact with the sundries during movement and causes bumping, it will also cause the detection accuracy to decrease, thereby affecting the accuracy of the detection data. Therefore, a SMA modified asphalt surface layer construction quality nondestructive testing device is provided. Utility model content

[0006] The application aims at providing a SMA modified asphalt surface layer construction quality nondestructive testing device to solve the above problems.

[0007] The technical scheme adopted by the application is as follows: a SMA modified asphalt surface layer construction quality nondestructive testing device, comprising a mounting bracket, a detection equipment shell is fixedly installed on the bottom surface of the mounting bracket, and cleaning mechanisms are arranged on the left and right sides of the mounting bracket respectively;

[0008] The cleaning mechanism comprises L-shaped fixed rods, rectangular grooves, connecting rods, springs, connecting branch plates, support columns and arc-shaped baffles, the L-shaped fixed rods are fixedly installed on the left and right sides of the mounting bracket respectively, the bottom ends of the L-shaped fixed rods are provided with the rectangular grooves, the connecting rods are inserted into the rectangular grooves, the springs are fixedly installed on the inner top surfaces of the rectangular grooves, the bottom ends of the springs are fixed to the top surfaces of the connecting rods, the connecting branch plates are fixedly installed on the ends of the connecting rods away from the L-shaped fixed rods, the front side of the connecting branch plate is provided with the plurality of support columns which are arranged at equal intervals, and the ends of the support columns away from the connecting branch plate are fixedly installed with the arc-shaped baffles.

[0009] In a preferred embodiment, the bottom surface of the connecting branch plate is provided with a plurality of mounting holes arranged at equal intervals, and the inner sides of the mounting holes are rotatably connected with the moving rollers.

[0010] In a preferred embodiment, the top surface of the mounting bracket is fixedly installed with the transverse connecting rods symmetrically, and the top surface of the transverse connecting rod is provided with the fixing holes.

[0011] In a preferred embodiment, the top surface of the mounting bracket is fixedly installed with the sealing cover plates through the bolts, and the top surface of the sealing cover plates is fixedly installed with the pull rings.

[0012] In a preferred embodiment, the side of the detection equipment shell is fixedly installed with the heat dissipation grilles.

[0013] In a preferred embodiment, the left and right sides of the transverse connecting rod are fixedly installed with the reinforcing branch rods respectively, and the ends of the reinforcing branch rods away from the transverse connecting rod are fixed to the top surface of the mounting bracket.

[0014] In summary, due to the adoption of the above technical scheme, the application has the following beneficial effects:

[0015] 1、The application, since the above-mentioned scheme is adopted, when the installation support drives the detection equipment shell to move for detection, the arc-shaped baffle arranged can play an important role, which can effectively push the sundries on the SMA modified asphalt surface to both sides, so as to avoid the influence of sundries on the SMA modified asphalt surface flatness detection as much as possible, the device not only can effectively detect the SMA modified asphalt surface flatness, but also can reduce the interference of sundries to the detection equipment through the arc-shaped baffle, thereby improving the detection accuracy, at the same time, when the installation support encounters uneven road surface, the moving roller will drive the connecting branch plate and the arc-shaped baffle to move upward, thereby improving the adaptability of the whole device to different road conditions, and ensuring that the detection work can be carried out smoothly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the application;

[0017] Figure 2 It is the detection equipment shell structure schematic diagram of the application;

[0018] Figure 3 It is the connecting branch plate structure schematic diagram of the application;

[0019] Figure 4 It is the L-shaped fixed rod internal structure schematic diagram of the application.

[0020] Mark in the figure: 1, installation support; 2, detection equipment shell; 3, cleaning mechanism; 301, L-shaped fixed rod; 302, rectangular groove; 303, connecting rod; 304, spring; 305, connecting branch plate; 306, support column; 307, arc-shaped baffle; 4, mounting hole; 5, moving roller; 6, transverse connecting rod; 7, fixed hole; 8, sealing cover plate; 9, heat dissipation grille; 10, reinforcing support rod. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the application more clear, the technical scheme in the embodiments of the application will be described clearly and completely below, obviously, the described embodiments are part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the application.

[0022] REFERENCE Figure 1 , Figure 2 and Figure 3The utility model provides a kind of SMA modified asphalt surface layer construction quality nondestructive testing device, including installation support 1, the top surface of installation support 1 is fixedly installed with transverse connecting rod 6 symmetrically, the top surface of transverse connecting rod 6 is equipped with fixed hole 7, and the left and right sides of transverse connecting rod 6 are fixedly installed with reinforcing strut 10 respectively, and the end of reinforcing strut 10 away from transverse connecting rod 6 is fixed with the top surface of installation support 1;The bottom of installation support 1 is rotatably connected with universal wheel, and simultaneously, the device is provided with transverse connecting rod 6 and fixed hole 7, this design is convenient for installation support 1 to be connected with external tractor, to further be able to drive installation support 1 to move on SMA modified asphalt surface layer, specifically, the rear side of tractor can be installed with connecting end block, transverse connecting rod 6 is inserted into connecting end block inside, and the pin is passed through fixed hole 7 inside, to achieve the connection of installation support 1 and tractor, and this connection mode belongs to the pin connection mode commonly seen in reality, in addition, reinforcing strut 10 is arranged, and its role is to support and reinforce transverse connecting rod 6, to improve the stability when pulling installation support 1 to move.

[0023] Reference Figure 1 、 Figure 2 and Figure 4 The bottom surface of installation support 1 is fixedly installed with detection equipment shell 2, and the side of detection equipment shell 2 is fixedly installed with heat dissipation grille 9, the top surface of installation support 1 is fixedly installed with sealing cover plate 8 by being provided with bolt, and the top surface of sealing cover plate 8 is fixedly installed with pull ring;A variety of detection equipment, including laser flatness detector and infrared detection equipment etc., are installed in the inside of detection equipment shell 2, when installation support 1 moves on SMA modified asphalt surface layer, drives detection equipment shell 2 to move, at this time, laser flatness detector can play its important role, effectively detects the flatness of SMA modified asphalt surface, and the detector can accurately measure the slight fluctuation and uneven degree of asphalt surface by advanced laser technology, to provide accurate data support for evaluating road surface quality;

[0024] Sealing cover plate 8 can be tightly covered in the top surface opening of installation support 1 by being provided with sealing cover plate 8, to form a relatively closed space, effectively blocks dust, moisture and other impurities from outside to enter the inside of detection equipment shell 2, to avoid that these impurities cause damage to equipment, prolong the service life of equipment, ensure the normal operation and detection accuracy of equipment, the outside air can circulate with the air inside detection equipment shell 2 by being provided with heat dissipation grille 9, to form good heat dissipation channel, when equipment operates to generate heat, hot air will be discharged to outside through heat dissipation grille 9, and cold air from outside will constantly enter the inside of shell, to realize the effective emission of heat.

[0025] Reference Figure 1 、 Figure 2 and Figure 3The left and right sides of the mounting bracket 1 are respectively provided with cleaning mechanisms 3, the cleaning mechanism 3 comprises an L-shaped fixed rod 301, a rectangular groove 302, a connecting rod 303, a spring 304, a connecting branch plate 305, a supporting column 306 and an arc-shaped baffle 307, the L-shaped fixed rod 301 is fixedly installed on the left and right sides of the mounting bracket 1, the bottom end of the L-shaped fixed rod 301 is provided with the rectangular groove 302, the connecting rod 303 is inserted into the rectangular groove 302, the spring 304 is fixedly installed on the inner top surface of the rectangular groove 302, and the bottom end of the spring 304 is fixedly connected with the top surface of the connecting rod 303.

[0026] With reference to Figure 1 , Figure 2 and Figure 3 , one end of the connecting rod 303, away from the L-shaped fixed rod 301, is fixedly installed with the connecting branch plate 305, a plurality of supporting columns 306 are installed on the front side of the connecting branch plate 305 at equal intervals, and one end of the supporting column 306, away from the connecting branch plate 305, is fixedly installed with the arc-shaped baffle 307; the connecting branch plate 305 and the supporting column 306 are arranged, so that the arc-shaped baffle 307 is installed, and in this way, the arc-shaped baffle 307 can push the sundries on the SMA modified asphalt surface layer to the two sides during the movement of the mounting bracket 1, so as to avoid the sundries from affecting the detection of the flatness of the SMA modified asphalt surface.

[0027] With reference to Figure 1 , Figure 2 and Figure 3 , a plurality of mounting holes 4 are arranged on the bottom surface of the connecting branch plate 305 at equal intervals, and the moving roller 5 is rotatably connected in the mounting hole 4; the moving roller 5 is arranged, so as to assist the movement of the connecting branch plate 305 and the arc-shaped baffle 307, and when the mounting bracket 1 encounters uneven road surface, the moving roller 5 drives the connecting branch plate 305 to move upward, thereby improving the adaptability.

[0028] The implementation principle of the embodiment of the nondestructive testing device for SMA modified asphalt surface layer construction quality is as follows: the user first installs the mounting bracket 1 behind the external towing vehicle by using the transverse connecting rod 6 and the fixing hole 7, and electrically connects the detection equipment in the detection equipment shell 2 with the terminal display installed in the towing vehicle, when the towing vehicle drives forward, the mounting bracket 1 can be moved on the SMA modified asphalt surface layer, in the process of moving the mounting bracket 1, the detection equipment such as the laser flatness detector and the infrared detection equipment arranged in the detection equipment shell 2 can effectively detect the flatness of the SMA modified asphalt surface layer, and the data obtained by detection can be fed back to the terminal display screen in real time, so that the relevant personnel can observe the detection data in time;

[0029] At the same time, when the mounting bracket 1 is moving and detecting, the arc-shaped baffle 307 can play an important role, which can effectively push the sundries on the SMA modified asphalt surface layer to both sides, so as to avoid the influence of the sundries on the flatness detection of the SMA modified asphalt surface layer as much as possible, the device can not only effectively detect the flatness of the SMA modified asphalt surface layer, but also can reduce the interference of the sundries on the detection equipment through the arc-shaped baffle 307, and further improve the accuracy of detection.

[0030] In addition, by arranging the moving roller 5, when the mounting bracket 1 encounters uneven road surface, the moving roller 5 can drive the connecting plate 305 and the arc-shaped baffle 307 to move upward, so as to improve the adaptability of the whole device to different road conditions, ensure that the detection work can be carried out smoothly, and provide reliable technical support and guarantee for the construction quality detection of the SMA modified asphalt surface layer.

[0031] The above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A nondestructive testing device for SMA modified asphalt pavement construction quality, comprising a mounting bracket (1), characterized in that: The bottom surface of the mounting bracket (1) is fixedly installed with a detection equipment shell (2), and the left and right sides of the mounting bracket (1) are respectively provided with cleaning mechanisms (3); The cleaning mechanism (3) comprises L-shaped fixed rods (301), rectangular grooves (302), connecting rods (303), springs (304), connecting branch plates (305), supporting columns (306) and arc-shaped baffles (307), the left and right sides of the mounting bracket (1) are respectively fixedly installed with the L-shaped fixed rods (301), the bottom ends of the L-shaped fixed rods (301) are respectively provided with the rectangular grooves (302), the connecting rods (303) are inserted into the rectangular grooves (302), the springs (304) are fixedly installed on the inner top surfaces of the rectangular grooves (302), the bottom ends of the springs (304) are fixedly connected with the top surfaces of the connecting rods (303), the connecting rods (303) are fixedly installed with the connecting branch plates (305) at the ends away from the L-shaped fixed rods (301), a plurality of supporting columns (306) are arranged at equal intervals on the front side of the connecting branch plate (305), and the arc-shaped baffles (307) are fixedly installed on the ends of the supporting columns (306) away from the connecting branch plate (305).

2. The SMA modified asphalt surface course construction quality nondestructive testing device of claim 1, wherein: A plurality of mounting holes (4) are arranged at equal intervals on the bottom surface of the connecting branch plate (305), and a moving roller (5) is rotatably connected in each of the mounting holes (4).

3. The SMA modified asphalt surface course construction quality nondestructive testing device of claim 1, wherein: The top surface of the mounting bracket (1) is fixedly installed with a transverse connecting rod (6), and the top surface of the transverse connecting rod (6) is provided with a fixing hole (7).

4. The SMA modified asphalt pavement construction quality nondestructive testing device of claim 1, wherein: The top surface of the mounting bracket (1) is fixedly installed with a sealing cover plate (8) through the bolts, and the top surface of the sealing cover plate (8) is fixedly installed with a pull ring.

5. The SMA modified asphalt pavement construction quality nondestructive testing device of claim 1, wherein: The side of the detection equipment shell (2) is fixedly installed with a heat dissipation grille (9).

6. The SMA modified asphalt pavement construction quality nondestructive testing device of claim 3, wherein: The left and right sides of the transverse connecting rod (6) are respectively fixedly installed with reinforcing support rods (10), and the ends of the reinforcing support rods (10) away from the transverse connecting rod (6) are fixedly connected with the top surface of the mounting bracket (1).

Images