Road surface gravel seal coverage rate detection and dust collection device
By designing a road surface gravel seal coverage detection and dust collection device, and utilizing dust collection and image processing technologies, the problem of uneven gravel distribution was solved, achieving accurate detection of gravel coverage and improved interlayer bonding effect.
Patent Information
- Application Number
- CN202520213556.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing technologies lack equipment for detecting the coverage of crushed stone, resulting in uneven distribution of crushed stone and affecting the interlayer bonding effect.
A road surface gravel seal coverage detection and dust collection device was designed, including a dust collection box, a dust collection hood, an air duct, filter material, a blower, a slide rail, and a camera assembly. The device uses dust collection and image processing technology to detect the gravel coverage in real time.
It enables precise detection of the coverage of the crushed stone seal layer, ensuring the uniformity of crushed stone spreading and improving the interlayer bonding effect.
Smart Images

Figure CN223805387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a road surface macadam seal coat dust suction device. BACKGROUND
[0002] The macadam seal coat is a construction technology for increasing the interlayer bonding performance during the construction of asphalt pavement, bridge pavement, and tunnel pavement. Figure 1 The macadam seal coat is a construction technology for increasing the interlayer bonding performance during the construction of asphalt pavement, bridge pavement, and tunnel pavement.
[0003] The amount of macadam spreading is the key to the performance of the macadam seal coat. INVENTION CONTENTS
[0004] The utility model discloses a road surface macadam seal coat coverage rate detection and dust suction device.
[0005] The utility model discloses a road surface macadam seal coat coverage rate detection and dust suction device, which comprises a dust removal box, a dust suction cover, an air guide channel, filter material, an air guide fan, sliding rails, a camera rack and a camera assembly.
[0006] An air guide fan rack is arranged on the side box outer wall of the dust removal box, and the air guide fan is installed on the air guide fan rack.
[0007] A plurality of insertion holes are formed in the height direction of the sliding rails, the camera rack is slidably connected with the sliding rails, the camera rack is composed of a horizontal plate and a back plate, a plug-in block is hingedly connected to the upper surface of the horizontal plate, the plug-in block is provided with a positioning protrusion, the position of the camera rack is fixed by inserting the positioning protrusion on the plug-in block into the insertion hole, the camera assembly is installed on the horizontal plate of the camera rack, and the camera of the camera assembly is downwardly aligned with the road surface.
[0008] The utility model pavement broken stone seal coat coverage rate detects and dust collection device mainly includes dust removal tank, induced draft fan, camera frame and camera assembly, in use, open induced draft fan, induced draft fan produces suction power and dust in broken stone seal coat is inhaled from dust cover into dust removal tank, after filter material filters, discharges through the exhaust pipe of induced draft fan, thereby completes the dust collection of broken stone seal coat. The dust removal tank is provided with slide rail, the camera assembly is installed on the slide rail, the image of broken stone seal coat construction site is shot through the camera assembly, image filtering, noise reduction processing is handled, image is handled to binary, thereby obtains the coverage rate of broken stone. BRIEF DESCRIPTION OF DRAWINGS
[0009] Figure 1 It is the schematic diagram of broken stone seal coat in road surface;
[0010] Figure 2 It is the structure schematic diagram of pavement broken stone seal coat coverage rate detection and dust collection device of the utility model;
[0011] Figure 3 It is the structure schematic diagram of dust removal tank inside;
[0012] Figure 4 It is the side view of camera frame;
[0013] Figure 5 It is the top view of camera frame;
[0014] Figure 6 It is the image (a) of broken stone seal coat site collection and the image (b) after binary processing that the embodiment is shot through camera assembly. DETAILED DESCRIPTION
[0015] Specific implementation one: this embodiment pavement broken stone seal coat coverage rate detection and dust collection device includes dust removal tank 1, dust cover 2, induced draft passage 3, filter material 4, induced draft fan 6, slide rail 8, camera frame 9 and camera assembly 10, the filter material 4 is horizontally arranged in the box body of dust removal tank 1, dust removal tank 1 is divided into the lower suction chamber and the upper air outlet chamber by filter material 4, the air outlet 1-2 is opened in the side of air outlet chamber, the induced draft passage 3 is installed in the bottom of suction chamber, the dust cover 2 is connected with suction chamber through induced draft passage 3 and is connected with suction chamber through induced draft passage 3,
[0016] The fan frame 5 is arranged on the side box outer wall of dust removal tank 1, and the induced draft fan 6 is installed on the fan frame 5, the air inlet pipe of induced draft fan 6 is connected with the air outlet chamber through the air outlet 1-2, and the air outlet pipe of induced draft fan 6 is connected with the exhaust pipe 7;
[0017] A sliding rail 8 is vertically arranged on the outer wall of the box body of the dust removal box 1, a plurality of insertion holes 11 are opened in the height direction of the sliding rail 8, the camera rack 9 is in sliding connection with the sliding rail 8, the camera rack 9 is composed of a horizontal plate 9-2 and a back plate 9-1, a plug-in block 9-3 is hinged to the upper surface of the horizontal plate 9-2, the plug-in block 9-3 is provided with a positioning protrusion, when the positioning protrusion on the plug-in block 9-3 is inserted into the insertion hole 11 to fix the position of the camera rack 9, the camera assembly 10 is installed on the horizontal plate 9-2 of the camera rack 9, and the camera of the camera assembly 10 is aligned downward to the road surface.
[0018] In the embodiment, the air inlet hole of the air inlet channel 3 is not too large, so as to avoid dust falling on the road surface.
[0019] Specific implementation method two: the dust cover 2 of the embodiment is trumpet-shaped, which is different from the specific implementation method one.
[0020] Specific implementation method three: the box cover 1-1 of the embodiment is arranged on the top of the dust removal box 1, which is different from the specific implementation method one or two.
[0021] In the embodiment, the box cover is arranged on the dust removal box, and the box cover is opened to facilitate replacement of the filter material.
[0022] Specific implementation method four: the camera assembly 10 includes a camera and a light supplementing lamp, which is different from any one of the specific implementation methods one to three.
[0023] Specific implementation method five: the active carbon purifier 12 is arranged on the air outlet pipe 7, which is different from any one of the specific implementation methods one to four.
[0024] Specific implementation method six: the filter material 4 includes at least one filter screen and one filter cotton, which is different from any one of the specific implementation methods one to five.
[0025] Embodiment: the road surface gravel seal coat coverage detection and dust removal device includes a dust removal box 1, a dust cover 2, an air inlet channel 3, a filter material 4, an air inlet fan 6, a sliding rail 8, a camera rack 9 and a camera assembly 10, the filter material 4 is horizontally arranged in the box body of the dust removal box 1, the filter material 4 is provided with filter cotton clamped between two filter screens, the dust removal box 1 is divided into a lower air suction chamber and an upper air outlet chamber by the filter material 4, an air outlet 1-2 is opened on the side of the air outlet chamber, the air inlet channel 3 is installed at the bottom of the air suction chamber, the upper part of the air inlet channel 3 extends into the air suction chamber, the dust cover 2 is arranged at the lower part of the air inlet channel 3, and the dust cover 2 is in communication with the air suction chamber through the air inlet channel 3;
[0026] A fan frame 5 is arranged on the side wall of the dust removal box 1, and an air suction fan 6 is fixedly arranged on the fan frame 5. An air inlet pipe of the air suction fan 6 is connected with the air outlet chamber through an air outlet 1-2, and an air exhaust pipe 7 is connected with an air outlet of the air suction fan 6;
[0027] A slide rail 8 is vertically arranged in the middle of the front wall of the dust removal box 1, a plurality of insertion holes 11 are formed in the height direction of the slide rail 8, a camera frame 9 is slidably connected with the slide rail 8, the camera frame 9 is composed of a horizontal plate 9-2 and a back plate 9-1, the back plate 9-1 is vertically arranged on the horizontal plate 9-2, and insertion protrusions 9-4 are arranged on the left and right sides of the back plate 9-1 and inserted into the slide rail 8, a plug-in block 9-3 is hingedly arranged on the upper surface of the horizontal plate 9-2 and provided with a positioning protrusion, the positioning protrusion of the plug-in block 9-3 is inserted into the insertion hole 11 to fix the position of the camera frame 9, and a camera assembly 10 is arranged on the horizontal plate 9-2 of the camera frame 9, and a camera of the camera assembly 10 is downwardly aligned with the road surface.
[0028] The camera assembly 10 includes a camera, a light supplement lamp and a power supply.
[0029] The application process of the road surface gravel seal coat coverage detection and dust removal device is as follows:
[0030] In use, the air suction fan 6 is turned on, the dust on the gravel seal coat is sucked into the dust removal box 1 through the dust cover 2, and the filtered air is discharged through the air exhaust pipe 7 of the air suction fan 6. The camera frame 9 and the slide rail 8 are arranged on the dust removal box 1, the height of the camera frame 9 is adjusted to adjust the image field of view of the camera shooting the gravel seal coat, the image field of view can also be adjusted through the zooming of the camera, the image of the construction site of the gravel seal coat is collected through the camera (such as Figure 6 a), and the image is subjected to binarization processing (such as Figure 6 b) after image filtering and noise reduction processing. As can be seen from the image, the binarized image can separate the gravel and asphalt material in the collected image, the white area represents the gravel, and the black area represents the asphalt. At this time, the number n w of pixel points of the white area is counted by using the Matlab software, the number n l of pixel points of the long side of the image and the number n b of pixel points of the width of the image are counted, the total number n T of pixel points of the image is calculated, and the gravel coverage rate can be calculated by n w / n T .
Claims
1. A device for detecting the coverage of a surface with a chipseal and for vacuuming the surface, characterized in that The road surface macadam seal coat coverage detection and dust collection device comprises a dust removal box (1), a dust collection cover (2), an air guide channel (3), a filter material (4), an air guide fan (6), a slide rail (8), a camera rack (9) and a camera assembly (10), the filter material (4) is horizontally arranged in the box body of the dust removal box (1), the dust removal box (1) is divided into a lower air suction chamber and an upper air outlet chamber by the filter material (4), an air outlet (1-2) is formed in the side of the air outlet chamber, the air guide channel (3) is installed at the bottom of the air suction chamber, the dust collection cover (2) is arranged at the lower part of the air guide channel (3) and is communicated with the air suction chamber through the air guide channel (3); An air fan rack (5) is arranged on the side box outer wall of the dust removal box (1), the air guide fan (6) is installed on the air fan rack (5), the air inlet pipe of the air guide fan (6) is communicated with the air outlet chamber through the air outlet (1-2), and the air outlet of the air guide fan (6) is connected with the exhaust pipe (7); The slide rail (8) is vertically arranged on the box body outer wall of the dust removal box (1), a plurality of insertion holes (11) are formed in the height direction of the slide rail (8), the camera rack (9) is slidably connected with the slide rail (8), the camera rack (9) is composed of a horizontal plate (9-2) and a back plate (9-1), the upper surface of the horizontal plate (9-2) is hingedly connected with an insertion block (9-3), the insertion block (9-3) is provided with a positioning protrusion, the position of the camera rack (9) is fixed by inserting the positioning protrusion on the insertion block (9-3) into the insertion hole (11), the camera assembly (10) is installed on the horizontal plate (9-2) of the camera rack (9), and the camera of the camera assembly (10) is downwardly aligned with the road surface.
2. The pavement chip seal coverage detection and vacuuming apparatus of claim 1, wherein The dust collection cover (2) is in a horn shape.
3. The pavement chip seal coverage detection and vacuuming apparatus of claim 1, wherein The box cover (1-1) is arranged on the box top of the dust removal box (1).
4. The pavement chip seal coverage detection and vacuuming apparatus of claim 1, wherein The camera assembly (10) comprises a camera and a light supplementing lamp.
5. The pavement chip seal coverage detection and vacuuming apparatus of claim 1, wherein An activated carbon purifier (12) is arranged on the exhaust pipe (7).
6. The pavement chip seal coverage detection and vacuuming apparatus of claim 1, wherein The filter material (4) comprises at least one layer of filter screen and one layer of filter cotton. The filter material (4) comprises at least one layer of filter screen and one layer of filter cotton.