A thermoplastic road marking construction equipment and method

Abstract

This application provides a hot-melt road marking construction device and method. The device includes a first detection device, a calculation unit, a first heating device, a glass bead spreading device, a second heating device, a second detection device, and a moving device. The first detection device located at the front and the second detection device located at the rear can both detect the retroreflective brightness coefficient of the hot-melt road marking. The device can re-detect the retroreflective brightness coefficient of the hot-melt road marking after the glass beads have been re-spread. When the retroreflective brightness coefficient is less than a preset standard value, the hot-melt road marking construction device is moved backward to reheat the hot-melt road marking and spread glass beads on the heated hot-melt road marking until the retroreflective brightness coefficient meets the preset standard value. This allows the original old road marking to be used to reduce the cost of road marking recycling and ensures that the retroreflective brightness coefficient of the road marking after recycling meets the standard.

Description

Technical Field

[0001] This application relates to highway auxiliary equipment, specifically to a hot-melt road marking construction equipment and method. Background Technology

[0002] Road markings are part of road safety facilities. They utilize glass beads to retroreflect light at night, thus indicating driving direction and range. However, the retroreflective brightness coefficient of road markings decays rapidly, primarily due to the peeling of glass beads caused by vehicle loads. Typically, after 1-2 years, the retroreflective brightness coefficient falls below standard requirements, making it difficult to provide guidance for nighttime driving.

[0003] Currently, the main method for updating road markings is to repaint them. However, this method cannot utilize the original markings, resulting in higher costs for repainting. Summary of the Invention

[0004] The following is an overview of the subject matter described in detail herein. This overview is not intended to limit the scope of the claims.

[0005] The purpose of this application is to at least partially solve one of the technical problems existing in the related art. The embodiments of this application provide a hot-melt type road marking construction equipment and method, which can utilize the original old road markings to reduce the cost of road marking recycling construction, and ensure that the retroreflective brightness coefficient of the road markings regenerated meets the standard.

[0006] An embodiment of the first aspect of this application provides a hot-melt road marking construction device, comprising:

[0007] A first detection device is used to detect the retroreflective brightness coefficient of the hot-melt type marking.

[0008] A calculation unit is used to determine the glass bead coverage amount based on the retroreflection brightness coefficient;

[0009] A first heating device is used to heat the hot-melt marking line once.

[0010] A glass bead spreading device, which is electrically connected to the processor, is used to spread glass beads onto the heated hot-melt marking line according to the glass bead coverage amount.

[0011] The second heating device is used for secondary heating of the hot-melt markings;

[0012] The second detection device is used to detect the retroreflective brightness coefficient of the hot-melt marking.

[0013] The mobile device comprises the first detection device, the first heating device, the glass bead dispensing device, the second heating device, and the second detection device, which are sequentially placed on the mobile device.

[0014] According to certain embodiments of the first aspect of this application, the mobile device is equipped with a cleaning device for cleaning hot-melt road markings.

[0015] According to certain embodiments of the first aspect of this application, the cleaning device includes a blower and a roller brush.

[0016] According to certain embodiments of the first aspect of this application, the calculation unit is used to determine the glass bead spreading amount of the glass bead spreading device and the moving speed of the moving device based on the glass bead coverage amount.

[0017] According to certain embodiments of the first aspect of this application, the glass bead dispensing device includes a glass bead storage chamber and a height adjustment device. The glass bead storage chamber is provided with a glass bead dispensing port, and the height adjustment device is installed at the glass bead dispensing port. The height adjustment device is used to adjust the height of the glass bead dispensing port to adjust the amount of glass beads dispensed by the glass bead dispensing device.

[0018] According to certain embodiments of the first aspect of this application, the first detection device and the second detection device further include a camera and an image analysis unit, wherein the camera is used to capture an image of the thermoplastic marking, and the image analysis unit is used to determine the retroreflective brightness coefficient and width of the thermoplastic marking based on the image of the thermoplastic marking.

[0019] According to certain embodiments of the first aspect of this application, the glass bead dispensing device includes a width adjustment device installed at the glass bead dispensing port, the width adjustment device being used to adjust the width of the glass bead dispensing port.

[0020] According to certain embodiments of the first aspect of this application, the hot-melt road marking construction equipment also includes a display.

[0021] According to certain embodiments of the first aspect of this application, the hot-melt road marking construction equipment further includes a parameter adjuster.

[0022] According to certain embodiments of the second aspect of this application, a hot-melt road marking construction method is provided, using the hot-melt road marking construction equipment described above;

[0023] The hot-melt pavement marking construction method includes:

[0024] The retroreflective brightness coefficient of the hot-melt marking is detected by the first detection device;

[0025] The amount of glass beads to cover is determined based on the retroreflection brightness coefficient;

[0026] The hot-melt markings are heated once by the first heating device;

[0027] Glass beads are spread onto the heated, molten marking line according to the glass bead coverage amount using a glass bead spreading device.

[0028] The hot-melt markings are reheated a second time using a second heating device;

[0029] The retroreflective brightness coefficient of the hot-melt markings is detected by a second detection device;

[0030] When the retroreflection brightness coefficient detected by the first detection device or the second detection device is less than the preset standard value, the hot-melt marking is heated and glass beads are sprinkled on the heated hot-melt marking until the retroreflection brightness coefficient meets the preset standard value.

[0031] The above scheme has at least the following beneficial effects: both the first detection device at the front and the second inspection device at the rear can detect the retroreflective brightness coefficient of the hot-melt road markings. It can re-detect the retroreflective brightness coefficient of the hot-melt road markings after the glass beads have been reapplied. When the retroreflective brightness coefficient of the hot-melt road markings after the glass beads have been reapplied is less than the preset standard value, the hot-melt road marking construction equipment can be reversed to reheat the hot-melt road markings and apply glass beads to the heated hot-melt road markings until the retroreflective brightness coefficient meets the preset standard value. This allows the use of the original old road markings to reduce the cost of road marking regeneration construction and ensures that the retroreflective brightness coefficient of the road markings regenerated meets the standard. Attached Figure Description

[0032] The accompanying drawings are used to provide a further understanding of the technical solutions of this application and constitute a part of the specification. They are used together with the embodiments of this application to explain the technical solutions of this application and do not constitute a limitation on the technical solutions of this application.

[0033] Figure 1 This is a structural diagram of the hot-melt road marking construction equipment;

[0034] Figure 2 This is a structural diagram of the first heating device;

[0035] Figure 3 This is a structural diagram of a glass bead dispensing device;

[0036] Figure 4 This is a side view of the glass bead dispensing device;

[0037] Figure 5 This is a step-by-step diagram of the hot-melt road marking construction method. Detailed Implementation

[0038] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0039] It should be noted that although functional modules are divided in the device schematic diagram and a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. The terms "first," "second," etc., in the specification, claims, or the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0040] The embodiments of this application will be further described below with reference to the accompanying drawings.

[0041] An embodiment of this application provides a hot-melt road marking construction device.

[0042] Reference Figure 1 The hot-melt road marking construction equipment includes: a cleaning device, a first detection device, a first heating device 11, a glass bead spreading device 12, a second heating device 13, a second detection device, a moving device 2, and a calculation unit 14.

[0043] The system includes a first detection device for detecting the retroreflective brightness coefficient of the hot-melt road marking 1; a calculation unit 14 for determining the glass bead coverage amount based on the retroreflective brightness coefficient; a first heating device 11 for heating the hot-melt road marking 1 once; a glass bead spreading device 12 electrically connected to the processor for spreading glass beads onto the heated hot-melt road marking 1 according to the glass bead coverage amount; a second heating device 13 for heating the hot-melt road marking 1 a second time; and a second detection device for detecting the retroreflective brightness coefficient of the hot-melt road marking 1. The first detection device, the first heating device 11, the glass bead spreading device 12, the second heating device 13, and the second detection device are sequentially placed on the moving device 2.

[0044] The hot-melt road marking construction equipment is equipped with a power supply device 15, which is a storage battery that can provide power to the electronic components of the hot-melt road marking construction equipment.

[0045] The mobile device 2 includes wheels.

[0046] The computing unit 14 can be a central processing unit installed on the mobile device 2 or a server of an external device; a communication unit can be installed on the mobile device 2, and the communication unit connects to the server of the external device. The server receives the retroreflective brightness coefficient of the hot-melt marking 1 and determines the glass bead coverage based on the retroreflective brightness coefficient of the hot-melt marking 1. The hot-melt marking construction equipment receives the glass bead coverage data from the server.

[0047] Mobile device 2 is equipped with a cleaning device. The cleaning device includes a blower and a roller brush.

[0048] Before repairing the hot-melt road marking 1, the hot-melt road marking 1 is cleaned with a cleaning device, the dust on the hot-melt road marking 1 is blown away by a blower, and the dust, gravel, pollutants, etc. on the surface of the hot-melt road marking 1 are swept away by a roller brush. This allows the glass beads to adhere better to the road marking.

[0049] The hot-melt road marking construction equipment is equipped with a positioning device, which is used to locate the coordinate position of the hot-melt road marking construction equipment itself.

[0050] The first detection device includes a camera and an image analysis unit. The camera captures an image of the thermoplastic pavement marking 1, and the image analysis unit uses image recognition technology to determine the retroreflective brightness coefficient and width of the thermoplastic pavement marking 1 based on the image.

[0051] Similarly, the second detection device includes a camera and an image analysis unit. The camera captures an image of the thermoplastic marking 1, and the image analysis unit uses image recognition technology to determine the retroreflective brightness coefficient and width of the thermoplastic marking 1 based on the image.

[0052] The image analysis unit can be a central processing unit installed on the mobile device 2 or a server of an external device; a communication unit can be installed on the mobile device 2, and the communication unit connects to the server of the external device. The server receives the image of the hot-melt marking 1 and uses image recognition technology to determine the retroreflective brightness coefficient and width of the hot-melt marking 1 based on the image of the hot-melt marking 1. The hot-melt marking construction equipment receives the retroreflective brightness coefficient and width data of the hot-melt marking 1 from the server.

[0053] When capturing an image of the thermoplastic marking 1 using a camera, the corresponding coordinate position can be marked on the captured image of the thermoplastic marking 1. The coordinate position information is obtained by the positioning device.

[0054] Reference Figure 2 The first heating device 11 includes an infrared radiation heating plate 4, and a heat insulation layer 3 is provided on the outside of the first heating device 11.

[0055] Similarly, the second heating device 13 includes an infrared radiation heating plate 4, and a heat insulation layer 3 is provided on the outside of the second heating device 13.

[0056] The glass bead coverage is determined by the amount of glass beads distributed by the glass bead distributing device 12 and the moving speed of the moving device 2. The calculation unit 14 determines the glass bead coverage based on the retroreflection brightness coefficient, and then determines the appropriate amount of glass beads distributed by the glass bead distributing device 12 and the moving speed of the moving device 2 based on the glass bead coverage.

[0057] The preset value of the glass bead spreading amount of the glass bead spreading device 12 is stored in a table, and the preset value range of the moving speed of the moving device 2 is recorded. After determining the glass bead coverage amount, a target value is determined from the preset value of the glass bead spreading amount of the glass bead spreading device 12 based on the glass bead coverage amount, and a target value is determined from the preset value range of the moving speed of the moving device 2 based on the glass bead coverage amount, so that the determined glass bead coverage amount can be obtained from the target value of the glass bead spreading amount of the glass bead spreading device 12 and the target value of the moving speed of the moving device 2.

[0058] Adjust the moving speed of the mobile device 2 according to the target value of the moving speed of the mobile device 2.

[0059] Reference Figure 3 and Figure 4 The glass bead dispensing device 12 includes a glass bead storage chamber 6 and a height adjustment device. A heat insulation layer 3 is provided on the outside of the glass bead storage chamber 6. The glass bead storage chamber 6 is provided with a glass bead dispensing port 7. The height adjustment device includes an electric chute and a lifting plate 8. The lifting plate 8 is installed at the glass bead dispensing port 7. The electric chute drives the lifting plate 8 to slide up and down in the height direction to adjust the height of the glass bead dispensing port 7. The height of the glass bead dispensing port 7 is adjusted by the height adjustment device according to the target value of the glass bead dispensing amount of the glass bead dispensing device 12, thereby adjusting the glass bead dispensing amount of the glass bead dispensing device 12. Changing the height of the glass bead dispensing port 7 changes its size, thus changing the amount of glass beads leaving the glass bead dispensing port 7 per unit time, i.e., changing the glass bead dispensing amount of the glass bead dispensing device 12.

[0060] The glass bead dispensing device 12 includes a width adjustment device, which comprises an electric slide rail and a door plate 5. The door plate 5 is installed at the glass bead dispensing opening 7. The door plate 5 is driven by the electric slide rail to slide left and right along the length direction to adjust the width of the glass bead dispensing opening 7. After the width of the hot-melt marking 1 is determined, the width adjustment device is used to adjust the width of the glass bead dispensing opening 7.

[0061] The hot-melt road marking application equipment also includes a display and a parameter adjuster. Information is displayed on the display, and parameters are adjusted using the parameter adjuster.

[0062] The hot-melt road marking construction method and equipment described above should be used as follows.

[0063] Reference Figure 5 The construction methods for hot-melt road markings include:

[0064] Step S100: The retroreflection brightness coefficient of the hot-melt type mark 1 is detected by the first detection device;

[0065] Step S200: Determine the glass bead coverage amount based on the retroreflection brightness coefficient;

[0066] Step S300: The hot-melt marking line 1 is heated once by the first heating device 11;

[0067] Step S400: Glass beads are spread onto the heated hot-melt marking line 1 by the glass bead spreading device 12 according to the glass bead coverage amount.

[0068] Step S500: The hot-melt marking line 1 is heated a second time by the second heating device 13;

[0069] Step S600: The retroreflection brightness coefficient of the hot-melt type mark 1 is detected by the second detection device;

[0070] Step S700: When the retroreflection brightness coefficient detected by the first detection device or the second detection device is less than the preset standard value, the hot-melt mark 1 is heated and glass beads are sprinkled on the heated hot-melt mark 1 until the retroreflection brightness coefficient meets the preset standard value.

[0071] Specifically, the hot-melt road marking construction equipment is driven to move along the road marking. The positioning device obtains the coordinate position of the equipment itself, and a cleaning device cleans the road marking. An image of the hot-melt road marking 1 is captured by a first detection device, and the width and retroreflective brightness coefficient of the marking 1 are detected based on the image. The width and retroreflective brightness coefficient of the marking 1 are then mapped to corresponding coordinate positions. The amount of glass beads to be distributed is determined based on the retroreflective brightness coefficient, and the amount of glass beads distributed by the glass bead spreading device 12 and the travel speed of the moving device 2 are further determined based on this amount. The hot-melt road marking 1 is heated once by the first heating device 11, melting it so that the glass beads adhere to the melted marking 1. The width of the glass bead spreading nozzle 7 is adjusted according to the width of the marking 1, and the height of the nozzle is adjusted according to the amount of glass beads to be distributed. The glass bead spreading device 12 then distributes glass beads onto the heated marking 1 according to the specified amount. The second heating device 13 reheats the hot-melt marking 1, increasing the embedding depth of the glass beads in the molten marking 1 and ensuring stronger adhesion between the glass beads and the marking paint surface. The retroreflective brightness coefficient of the hot-melt marking 1 is measured using a second detection device.

[0072] When the retroreflection brightness coefficient detected by the second detection device meets the preset standard value, the hot-melt road marking construction equipment continues to move forward.

[0073] When the retroreflective brightness coefficient detected by the second detection device is less than the preset standard value, a new glass bead coverage amount is determined based on the retroreflective brightness coefficient detected by the second detection device. The hot-melt road marking construction equipment moves backward, and the road marking segment with a retroreflective brightness coefficient less than the preset standard value is reheated by the second heating device 13. Glass beads are then spread onto the heated hot-melt road marking 1 by the glass bead spreading device 12 according to the new glass bead coverage amount. The road marking segment covered with glass beads is reheated by the first heating device 11, and the retroreflective brightness coefficient of the hot-melt road marking 1 is detected by the first detection device. If the retroreflective brightness coefficient detected by the first detection device meets the preset standard value, the hot-melt road marking construction equipment moves forward without spreading glass beads onto that segment of the hot-melt road marking 1; if the retroreflective brightness coefficient detected by the first detection device is less than the preset standard value, the hot-melt road marking construction equipment moves forward and spreads glass beads onto the road marking segment with a retroreflective brightness coefficient less than the preset standard value according to the new glass bead coverage amount corresponding to the retroreflective brightness coefficient detected by the first detection device.

[0074] The hot-melt road marking construction equipment can reciprocate and repeat the above process to ensure that the retroreflective brightness coefficient of the road markings after recycling meets the standard.

[0075] The above is a detailed description of the preferred embodiments of this application, but this application is not limited to the embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of this application, and these equivalent modifications or substitutions are all included within the scope defined by the claims of this application.

Claims

1. A hot-melt type road marking construction device, characterized in that, include: A first detection device is used to detect the retroreflective brightness coefficient of the hot-melt type marking. A calculation unit is used to determine the glass bead coverage amount based on the retroreflection brightness coefficient; A first heating device is used to heat the hot-melt marking line once. A glass bead spreading device, which is electrically connected to a processor, is used to spread glass beads onto the heated thermoplastic marking line according to the glass bead coverage amount. The second heating device is used for secondary heating of the hot-melt markings; The second detection device is used to detect the retroreflective brightness coefficient of the hot-melt marking. A mobile device, wherein the first detection device, the first heating device, the glass bead dispensing device, the second heating device, and the second detection device are sequentially placed on the mobile device; The calculation unit is used to determine the amount of glass beads spread by the glass bead spreading device and the moving speed of the moving device based on the glass bead coverage amount; The glass bead spreading device includes a glass bead storage chamber and a height adjustment device. The glass bead storage chamber is provided with a glass bead spreading port. The height adjustment device is installed at the glass bead spreading port and is used to adjust the height of the glass bead spreading port to adjust the glass bead spreading amount of the glass bead spreading device. The glass bead dispensing device includes a width adjustment device, which is installed at the glass bead dispensing port and is used to adjust the width of the glass bead dispensing port.

2. The hot-melt road marking construction equipment according to claim 1, characterized in that, The mobile device is equipped with a cleaning device for cleaning hot-melt road markings.

3. The hot-melt road marking construction equipment according to claim 2, characterized in that, The cleaning device includes a blower and a roller brush.

4. The hot-melt road marking construction equipment according to claim 1, characterized in that, The first detection device and the second detection device further include a camera and an image analysis unit. The camera is used to capture images of the thermoplastic markings, and the image analysis unit is used to determine the retroreflective brightness coefficient and width of the thermoplastic markings based on the images.

5. The hot-melt road marking construction equipment according to claim 1, characterized in that, The hot-melt road marking construction equipment also includes a display.

6. The hot-melt road marking construction equipment according to claim 1, characterized in that, The hot-melt road marking construction equipment also includes a parameter adjuster.

7. A method for constructing hot-melt road markings, characterized in that, Apply the hot-melt road marking construction equipment as described in any one of claims 1 to 6; The hot-melt pavement marking construction method includes: The retroreflective brightness coefficient of the hot-melt marking is detected by the first detection device; The amount of glass beads to cover is determined based on the retroreflection brightness coefficient; The hot-melt markings are heated once by the first heating device; Glass beads are spread onto the heated, molten marking line according to the glass bead coverage amount using a glass bead spreading device. The hot-melt markings are reheated a second time using a second heating device; The retroreflective brightness coefficient of the hot-melt markings is detected by a second detection device; When the retroreflection brightness coefficient detected by the first detection device or the second detection device is less than the preset standard value, the hot-melt marking is heated and glass beads are sprinkled on the heated hot-melt marking until the retroreflection brightness coefficient meets the preset standard value.

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