A device for evaluating the spraying effect of asphalt release agent of rubber-tired road roller

Abstract

The utility model relates to bitumen rubber wheel road roller spraying technical field discloses a device for rubber wheel road roller bitumen release agent spraying effect evaluation, including fixed on the bitumen collection subassembly of frame, monitoring component and treater. Bitumen collection subassembly includes the bitumen shovel of inclination setting, bitumen collection bag and weighing assembly, and the first side of bitumen shovel is overlapped with wheel, and the second side is connected to collect bag opening, and weighing assembly is used for weighing the weight of bitumen in collection bag. Monitoring component includes a plurality of towards the camera of wheel, and camera shoots wheel surface picture. The liquid storage tank is equipped with viscosity sensor, and detects bitumen release agent viscosity. Treater includes image processor and data processor, data processor receives bitumen viscosity value, image processor calculates the area value of bitumen covered wheel surface and viscosity value and calculates the comprehensive value reflecting the isolation effect of bitumen release agent, and the treater adjusts the spraying amount of spraying subassembly according to comprehensive value.

Description

Technical Field

[0001] This utility model relates to the field of asphalt rubber-tired roller spraying technology, and in particular to a device for evaluating the spraying effect of asphalt release agent on rubber-tired rollers. Background Technology

[0002] In asphalt pavement construction, after asphalt paving, it needs to be compacted on-site using steel-drum and rubber-tired rollers according to different construction organization plans. During compaction, asphalt sticking to the rollers frequently occurs. To prevent asphalt sticking and improve construction quality, water is often sprayed on the steel-drum rollers, and oil or homemade release agents are applied to the rubber-tired rollers to reduce the sticking problem of the asphalt mixture. Field surveys have found that steel-drum rollers generally have automatic mechanical water spraying devices, and their application in the field has shown good results.

[0003] On rubber-tired rollers, the addition of asphalt release agent spraying equipment, such as the Chinese patent with authorization announcement number CN204125818U, provides an asphalt release agent spraying device for rubber-tired rollers. This device includes a spraying control system, an asphalt release agent storage system, and a spraying assembly system. During the compaction process, the device allows for visual observation of the asphalt mixture adhesion between the front and rear tires; adjustment of the asphalt release agent spraying volume based on the adhesion levels; and timely monitoring of the asphalt release agent storage tank for replenishment. Ultimately, these functions ensure the device evenly and promptly sprays asphalt release agent onto the front and rear tires, preventing asphalt from adhering to the tire surface during operation and improving the quality of asphalt pavement construction. In actual use, rubber-tired roller operators often set the release agent spraying volume to the maximum, resulting in waste of the release agent. Alternatively, they may determine the spraying volume based on a comprehensive evaluation of the release agent's isolation effect obtained from a pre-conducted asphalt release agent effect test.

[0004] In the experiment on the effectiveness of asphalt release agents, the viscosity of the asphalt release agent was first measured, and its ratio to the standard viscosity was calculated. Then, a simulated application was performed. After completion, the asphalt adhesion area on the wheel surface was obtained, and the ratio of the asphalt adhesion area to the total wheel area was calculated. After collecting the asphalt adhesion area data, the asphalt material adhering to the wheel was removed, weighed, and the ratio of the measured weight to the reference weight was calculated. Finally, the operator weighted the area ratio, weight ratio, and viscosity ratio according to 40%, 40%, and 20% respectively to obtain a comprehensive value for evaluating the release effect of the asphalt release agent.

[0005] However, there is a difference between the data obtained in the preliminary experiments and the data from the actual construction. As a result, the amount of spraying determined based on the data obtained in the preliminary experiments cannot match the actual construction conditions. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model provides a device for evaluating the spraying effect of asphalt release agent on rubber-tired rollers.

[0007] This utility model provides a device for evaluating the spraying effect of asphalt release agent on a rubber-tired roller. It is used to evaluate the release effect of asphalt release agent sprayed on the wheels of the rubber-tired roller. The asphalt release agent is sprayed onto the wheels through a spraying component. The spraying component is connected to a storage tank. Both the spraying component and the storage tank are fixed on the frame of the rubber-tired roller. The device includes an asphalt collection component, a monitoring component, and a processor fixed on the frame. The asphalt collection component and the monitoring component are respectively connected to the processor through CNC wires.

[0008] The asphalt collection assembly includes: an asphalt shovel, an asphalt collection bag, and a weighing assembly. The asphalt shovel is inclined, with its first side closer to the wheel higher than its second side farther from the wheel. The first side of the asphalt shovel overlaps with the wheel, and the second side extends to and connects to the opening of the asphalt collection bag. The weighing assembly is connected to the bottom of the asphalt collection bag and is used to weigh the asphalt inside the asphalt collection bag.

[0009] The monitoring component includes multiple cameras, which are positioned facing the wheel and are used to capture images of the wheel surface.

[0010] The storage tank is also equipped with a viscosity sensor, which is electrically connected to the processor. The viscosity sensor is used to detect the viscosity of the asphalt release agent in the storage tank.

[0011] The processor includes an image processor and a data processor; the image processor is used to calculate the area of ​​the wheel surface covered by asphalt based on the image of the wheel surface; the data processor receives the weight value of the asphalt in the asphalt collection bag obtained by the weighing component, the value of the area of ​​the wheel surface covered by asphalt calculated by the image processor, and the viscosity value of the asphalt release agent in the storage tank detected by the sensor and calculates a comprehensive value reflecting the release effect of the asphalt release agent; the processor adjusts the spraying amount of the spraying component according to the comprehensive value.

[0012] Optionally, the camera is connected to the vehicle frame via a hinged bracket. The hinged bracket includes a connecting rod and a hinge seat. The first end of the connecting rod is fixed to the vehicle frame, and the second end is hinged to the hinge seat. The camera is fixed to the hinge seat. The hinged bracket rotates downwards from the horizontal axis by 0° to 90°.

[0013] Optionally, the spraying assembly includes a reservoir, multiple spray heads, and a flow controller. The reservoir is connected to the multiple spray heads via a delivery pipe. The multiple spray heads are directed toward the front and rear wheels of the vehicle frame, respectively. The flow controller is connected to the delivery pipe.

[0014] Optionally, the spraying assembly also includes multiple spreading brushes, with one end of each brush hinged to the frame and the other end having a brush that abuts against the wheel.

[0015] Optionally, the monitoring component also includes three thermometers: a first thermometer for detecting road surface temperature, a second thermometer for detecting front wheel temperature, and a third thermometer for detecting rear wheel temperature. The processor calculates the temperature difference between the road surface temperature and the average temperature of the front and rear wheels.

[0016] Optionally, the storage tank may also include a level gauge, which is located inside the storage tank and electrically connected to the processor, and the level gauge detects the level of asphalt release agent in the storage tank.

[0017] Optionally, the processor can be configured with different parameters.

[0018] Compared with the prior art, the technical solution provided by this utility model embodiment has the following advantages: Firstly, the viscosity value of the release agent is simultaneously detected by a viscosity sensor integrated in the storage tank. The processor calculates its ratio to the standard viscosity (third ratio). Then, a camera captures real-time images of the wheel surface, and the image processor calculates the asphalt adhesion area ratio (first ratio). Simultaneously, an asphalt shovel automatically collects the asphalt adhered to the wheel, and the actual adhered weight is measured by a weighing component. The processor calculates the adhesion amount ratio (second ratio) by comparing it with the maximum load capacity of the collection bag. The built-in data processor performs a weighted calculation on the above three sets of data according to a preset weight of 40%:40%:20%, obtaining a comprehensive value reflecting the isolation effect of the asphalt release agent. The lower the value, the better the isolation effect. This device can help construction personnel obtain the comprehensive value of the isolation effect of the asphalt release agent in real time and adjust the spraying volume based on this comprehensive value, improving construction quality and optimizing resource utilization. Attached Figure Description

[0019] Figure 1 A schematic diagram of the structure of a device for evaluating the spraying effect of asphalt release agent on a rubber-tired roller, provided for an embodiment of this utility model;

[0020] Figure 2 A flowchart of the control system for an evaluation device for the spraying effect of asphalt release agent on a rubber-tired roller, provided as an embodiment of this utility model.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1. Processor; 2. Storage tank; 3. Infusion pipeline; 4. CNC wiring harness; 5. Chassis; 51. Articulated support; 61. Spray head; 62. Spreading brush; 63. Flow controller; 7. Camera; 8. Thermometer; 9. Asphalt shovel; 91. Asphalt collection bag; 11. Main switch; 12. Directional keys; 13. Buzzer; 14. USB interface; 15. Screen; 21. Inlet; 22. Outlet; 23. Valve; 24. Pressure pump; 25. Level gauge; 26. Viscosity sensor. Detailed Implementation

[0023] The following describes a specific embodiment of the present invention in detail with reference to the accompanying drawings. However, it should be understood that the scope of protection of the present invention is not limited to the specific embodiment.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the technical solution of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] The present invention will be described below through several specific embodiments. To keep the following description of the embodiments of the present invention clear and concise, detailed descriptions of known functions and components may be omitted. When any component of an embodiment of the present invention appears in more than one drawing, the component may be represented by the same reference numerals in each drawing.

[0026] like Figure 1 and Figure 2As shown, this utility model embodiment provides a device for evaluating the spraying effect of asphalt release agent on a rubber-tired roller. It is used to evaluate the release effect of asphalt release agent sprayed on the wheels of the rubber-tired roller. The asphalt release agent is sprayed onto the wheels through a spraying assembly connected to a storage tank 2. Both the spraying assembly and the storage tank 2 are fixed to the frame 5 of the rubber-tired roller. The device includes an asphalt collection assembly, a monitoring assembly, and a processor 1 fixed to the frame 5. The asphalt collection assembly and the monitoring assembly are respectively connected to the processor 1 via CNC wires 4. The asphalt collection assembly includes an asphalt shovel 9, an asphalt collection bag 91, and a weighing assembly. The asphalt shovel 9 is inclined, with its first side near the wheel higher than its second side away from the wheel. The first side of the asphalt shovel 9 overlaps with the wheel, and the second side extends to and connects to the opening of the asphalt collection bag 91. A weighing assembly is connected to the bottom of the asphalt collection bag 91. The weighing component is used to weigh the asphalt in the asphalt collection bag 91; the monitoring component includes multiple cameras 7, which are positioned facing the wheel and are used to capture images of the wheel surface; the storage tank 2 is also equipped with a viscosity sensor 26, which is electrically connected to the processor 1 and is used to detect the viscosity of the asphalt release agent in the storage tank 2; the processor 1 includes an image processor and a data processor; the image processor is used to calculate the area of ​​the wheel surface covered by asphalt based on the images of the wheel surface; the data processor receives the asphalt weight value in the asphalt collection bag 91 obtained by the weighing component, the area of ​​the wheel surface covered by asphalt calculated by the image processor, and the viscosity value of the asphalt release agent in the storage tank 2 detected by the sensor 26, and calculates a comprehensive value reflecting the release effect of the asphalt release agent; the processor adjusts the spraying amount of the spraying component according to the comprehensive value.

[0027] In one specific embodiment, the weighing component used to weigh the asphalt inside the asphalt collection bag 91 pre-deducts the weight of the asphalt collection bag 91. The heavier the measured asphalt weight, the more asphalt adheres to the wheel, indicating a poorer isolation effect of the sprayed asphalt release agent. Therefore, the worse the isolation effect of the asphalt release agent, the larger the second ratio. Higher viscosity of the asphalt release agent results in poor flowability, making it difficult to spray evenly and easily leading to localized accumulation or incomplete coverage, resulting in a poor isolation effect. Therefore, the higher the viscosity of the asphalt release agent, the worse the isolation effect, and the larger the third ratio. The larger the surface area of ​​the wheel covered by asphalt, the larger the first ratio. A larger coverage area means more asphalt adheres to the wheel, indicating a poorer isolation effect of the sprayed asphalt release agent. Therefore, the larger the evaluation value of the isolation effect of the asphalt release agent obtained by adding the first, second, and third ratios with different weights, the worse the isolation effect.

[0028] Specifically, the image processor uses Gaussian filtering or median filtering to eliminate image noise, and histogram equalization to enhance contrast and highlight the boundary between the asphalt and the wheel surface. Then, the RGB image is converted to HSV / grayscale space, and thresholding is performed using the color difference between the asphalt and the wheel (e.g., asphalt is black / dark brown). The asphalt area is separated from the uncovered area, generating a binarized image. The total number of pixels in the asphalt area of ​​the binarized image is counted, and the actual coverage area is calculated based on calibration parameters, i.e., the actual area corresponding to each pixel.

[0029] Processor 1 uses weighted calculations of the first ratio (wheel asphalt coverage), the second ratio (wheel asphalt adhesion), and the third ratio (releaser viscosity) with weights of 40%, 40%, and 20%, respectively, to comprehensively evaluate the spraying effect of the releaser. This weighting allocation is based on practical application. Coverage and adhesion directly reflect the uniformity and anti-adhesion performance of the releaser, and are core indicators determining the release effect. In practical applications, wheel coverage accounts for approximately 40% of the factors affecting the release effect of the asphalt releaser, therefore, its influence on the application effect is set at a weight of 40%. Similarly, wheel adhesion also accounts for approximately 40% of the factors affecting the release effect of the asphalt releaser, therefore, its influence on the application effect is also set at a weight of 40%. Viscosity, as an auxiliary parameter indirectly affecting spraying quality and film formation, has relatively lower importance. In practical applications, its influence on the release effect of the asphalt releaser accounts for approximately 20%, therefore, it is given a weight of 20%. This allocation ensures the dominance of the main performance indicators while also taking into account the influence of material properties.

[0030] Specifically, the processor 1 also includes a master switch 11, multiple directional keys 12, a buzzer 13, a USB port 14, and a screen 15. The asphalt shovel 9 and the asphalt collection bag 91 are both located below the frame 5, and both asphalt collection components are located inside the vehicle. Figure 1 As shown, when the vehicle moves in one direction, the wheels in the direction of the vehicle frame 5 are the front wheels. At this time, the asphalt collection component connected to the front wheels does not work, and the camera 7 is used to capture the asphalt percentage on the wheels. Meanwhile, the asphalt collection component of the rear wheels works, scraping the asphalt on the rear wheels into the asphalt collection bag 91. There are two cameras 7, located inside the vehicle, which capture images of the front wheels and the rear wheels respectively.

[0031] This invention uses a camera to monitor the asphalt coverage of the vehicle wheels in real time (first ratio), and an asphalt shovel collection component to weigh and calculate the amount of asphalt adhering (second ratio). Combined with data from the viscosity sensor in the storage tank 2 (third ratio), the processor 1 calculates a comprehensive evaluation value using a weighted average of 40%:40%:20%. The processor 1 displays key parameters in real time and supports manual adjustment, achieving closed-loop control of spraying-monitoring-optimization. This effectively improves the effectiveness of the release agent, reduces asphalt adhesion to the wheels, and ensures construction quality. Data can be exported for easy analysis and optimization, offering advantages such as high automation, accurate evaluation, and convenient operation.

[0032] Optional, see reference Figure 1 The camera 7 is connected to the frame 5 via a hinge support 51. The hinge support 51 includes a connecting rod and a hinge seat. The first end of the connecting rod is fixedly connected to the frame 5, and the second end is hinged to the hinge seat. The camera 7 is fixedly connected to the hinge seat. The hinge support 51 rotates downward from 0° to 90° with the horizontal axis as the starting point.

[0033] Specifically, this embodiment of the invention provides a connection method between a camera 7 and a vehicle frame 5 to enable the rotation of the camera 7. One end of a connecting rod is fixedly connected to the vehicle frame with bolts via a flange; a hinge support 51 is rotatably connected to the other end of the connecting rod via a rotating shaft; a limiting component is provided on the hinge support 51 to limit the rotation angle within the range of 0° to 90°; the rotating shaft is provided with a damping adjustment knob to adjust the rotation resistance; the hinge support 51 is provided with an angle scale to adjust the pitch angle of the camera 7; the camera 7 is fixedly connected to the hinge support 51 via a quick-release interface.

[0034] Furthermore, the limiting component of the hinge support includes an arc-shaped limiting groove disposed on the side wall of the hinge support, a limiting bolt threaded through the arc-shaped limiting groove and connected to the fixed connecting rod, and a locking nut for fixing the position of the limiting bolt; the central angle of the arc-shaped limiting groove is 90°, corresponding to a rotation range adjustment of 0° to 90°; the end of the limiting bolt is provided with an anti-loosening washer to ensure limiting stability; the limiting mechanism is also provided with an angle positioning hole, into which a positioning pin can be inserted to achieve quick angle fixing.

[0035] During construction, the camera can maintain a horizontal position to monitor the asphalt adhesion on the tire surface in real time, and can also be rotated down to 75°–90° to capture images of the asphalt film on the road surface. This multi-angle shooting capability not only accurately assesses the effect of the release agent spraying, but also analyzes the distribution of asphalt texture on the road surface, providing more comprehensive data support for construction quality. By comparing the asphalt distribution on the tire and the road surface—that is, when the amount of asphalt on the road surface decreases while the amount of asphalt on the tire increases—it is necessary to appropriately increase the spraying rate of the asphalt release agent, further optimize the spraying parameters, and achieve more precise control of the asphalt release agent spraying, thereby effectively reducing asphalt sticking to the tire and improving the quality of road construction.

[0036] Optional, see reference Figure 1 The spraying assembly includes a liquid storage tank 2, multiple spray heads 61 and multiple flow controllers 63. The liquid storage tank 2 is connected to the multiple spray heads 61 through a liquid delivery pipe 3. The multiple spray heads 61 face the front and rear wheels of the vehicle frame 5. The multiple flow controllers 63 are connected to the liquid delivery pipe 3.

[0037] In this embodiment of the invention, the spraying assembly includes a storage tank 2, multiple spray heads 61, and multiple flow controllers 63. The storage tank 2 is connected to the multiple spray heads 61 via a delivery pipe 3. The multiple spray heads 61 face the front and rear wheels of the vehicle frame 5. The flow controllers 63 are connected to the delivery pipe 3. The multiple spray heads 61 provide omnidirectional coverage of the front and rear wheels, eliminating blind spots. The flow controllers 63 allow for differentiated flow control based on wheel adhesion. The modular delivery pipe 3 facilitates installation and maintenance, while the optimized pipeline design ensures system stability. The spray heads 61 are adjustable; for example, they can be connected to the vehicle frame via a rotating joint with locking bolts, allowing the spray angle to be adjusted within the range of 0°-90°. This adapts the assembly to different models of road roller frames 5, improving system versatility. This spraying assembly structure significantly improves the efficiency of the release agent and system reliability while ensuring anti-sticking effects.

[0038] Optional, see reference Figure 1 The spraying assembly also includes multiple spreading brushes. The first end of each spreading brush 62 is a connecting end that is hinged to the frame 5, and the second end is provided with a brush that abuts against the wheel.

[0039] Specifically, this embodiment of the invention provides a connection method for a spreading brush 62. The spraying assembly also includes a spreading brush 62 for uniformly applying a release agent. This spreading brush adopts a composite structure of flexible nylon bristles and a metal reinforced frame. The first end of the spreading brush 62 is universally hinged to the lateral support of the frame 1 through a rotating hinge mechanism, and the second end has an arc-shaped curved surface design. The high-density wear-resistant bristle layer on its surface maintains dynamic elastic contact with the tread of the wheel 3.

[0040] Furthermore, the rotary hinge mechanism includes a ball joint fixed to a lateral support, a ball joint connecting rod with a ball joint structure, and an external threaded locking sleeve. One end of the ball joint connects to the ball joint to achieve ±30° omnidirectional rotation, while the other end is fixed to the spreading brush. The locking sleeve is threaded onto the outside of the ball joint for angle locking, and its surface has anti-loosening teeth to enhance reliability. A return spring is also provided inside the ball joint to provide elastic restoring force, allowing the spreading brush to automatically return to its original position when no external force is applied. This structure ensures both flexible contact between the spreading brush and the tire and reliable fixation of the working angle through the locking sleeve.

[0041] When the spray head 61 sprays the atomized release agent onto the tread of the wheel 3, the spreading brush 62 oscillates adaptively under the rotation of the wheel. Through the radial combing action and circumferential shearing motion of the bristles, the release agent is transformed from a point spray into a uniform liquid film coverage. In particular, the hinged end of the spreading brush 62 is equipped with an angle adjustment bolt, which can precisely control the contact pressure between the bristles and the wheel 3.

[0042] Optional, see reference Figure 1 The monitoring component also includes three thermometers 8, which include a first thermometer for detecting road surface temperature, a second thermometer for detecting front wheel temperature, and a third thermometer for detecting rear wheel temperature. The processor 1 calculates the temperature difference between the road surface temperature and the average temperature of the front and rear wheels, and compares the temperature difference with a preset difference range.

[0043] Specifically, all three thermometers 8 are infrared thermometers. The three thermometers are fixed between the front and rear wheels via a connecting bracket, with the left thermometer 8 facing the left wheel, the right thermometer 8 facing the right wheel, and the middle thermometer 8 facing the ground. The data processor in processor 1 calculates the temperature difference between the road surface temperature and the average temperature of the front and rear wheels.

[0044] The thermometer 8 employs three sets of high-precision infrared thermometers, positioned in the center of the chassis 5, forming a comprehensive temperature monitoring network. Specifically, the left infrared thermometer is aligned with the center of the left tire surface, covering a monitoring range from -20℃ to 200℃; the right infrared thermometers are symmetrically arranged with the same specifications to monitor the right wheel; the central infrared thermometer focuses vertically downwards onto the road surface directly below the roller, eliminating environmental heat radiation interference. During operation, it continuously collects temperature data at a sampling frequency of 5Hz, and the processor 1 calculates the dynamic temperature difference between the road surface and the tire: ΔT = T_road surface - (T_left wheel + T_right wheel) / 2. The three independent temperature measurements eliminate single-point measurement errors, achieving a ΔT calculation accuracy of ±0.5℃. Non-contact infrared measurement avoids the problem of traditional thermocouples easily adhering to asphalt and failing. The specific angle arrangement ensures that each detection point is always within the optimal field of view, maintaining stable measurement even when the vehicle is bumpy. Symmetrical monitoring of wheel temperatures can promptly detect abnormal heating of one tire (e.g., a temperature deviation >15℃ caused by a braking system malfunction triggers an early warning). A high ΔT indicates that the tires are overheating due to friction or high ambient temperature, requiring increased application of a release agent (such as for cooling or anti-sticking). Alternatively, it indicates extremely low road surface temperature (such as icing), requiring anti-skid treatment of the tires and necessitating increased spraying. A low ΔT indicates low heat exchange demand, allowing for reduced or stopped spraying to conserve resources.

[0045] Optional, see reference Figure 1 The liquid storage tank 2 is further provided with a liquid level sensor 25, which is electrically connected to the processor 1.

[0046] Specifically, the storage tank 2 is also equipped with an inlet 21, an outlet 22 and a valve 23. The inlet 21 and outlet 22 can be marked for operators to quickly replace and refill the release agent. At the same time, when the release agent is replaced in the storage tank 2, the valve 23 is used to cut off the connection between the storage tank 2 and the spray head 61.

[0047] The liquid level sensor 25 automatically detects the level of the release agent in the storage system. If the release agent level is lower than the set minimum level, the buzzer 13 will be triggered, and the processor 1 will simultaneously display "Insufficient release agent, please add more in time" on the screen 15. The system will also automatically detect the viscosity of the release agent. If the viscosity exceeds the set maximum viscosity value, the buzzer 13 will also be triggered, and the screen 15 will display "Release agent viscosity is too high, please replace the release agent." In this case, the release agent with excessive viscosity needs to be discharged through the outlet 22, and other release agents should be added through the inlet 21.

[0048] The storage tank 2 integrates a level gauge 25 and a viscosity sensor 26, both electrically connected to the processor 1 via waterproof cables. The level gauge 25 uses ultrasonic ranging to monitor the release agent level in real time. When the level falls below a preset threshold, the processor 1 immediately triggers a buzzer 13 alarm and displays a "Insufficient release agent" message on the processor 1 screen 15. The viscosity sensor 26, based on vibration measurement and with a built-in temperature compensation module, accurately detects viscosity changes within the range of 0-5000 cP. When the measured value exceeds the set upper limit, the system automatically locks the spraying function and prompts "Viscosity exceeds limit, replacement required." This dual-parameter collaborative monitoring ensures the release agent is always in optimal working condition, preventing spraying failure due to insufficient or deteriorated liquid. Ultrasonic level detection is unaffected by liquid color and transparency, offering improved reliability compared to float sensors. The viscosity measurement sensor boasts high accuracy, and the instant locking function in abnormal conditions prevents the equipment from operating under ineffective conditions, extending the service life of critical components (such as the spray head 61 and pressure pump 24). Before construction, the system automatically performs a self-check on the liquid storage tank 2. Under normal conditions, the liquid level and viscosity data are refreshed every 10 seconds. When any parameter exceeds the limit, the processor 1 will interrupt the current operation command first. It can only be restarted after manual intervention and reset. This dual protection mechanism significantly improves construction safety and equipment intelligence.

[0049] Optional, see reference Figure 1 Processor 1 can be configured with different parameters.

[0050] Processor 1 can be preset with "minimum liquid level", "upper limit of viscosity", "lower limit of viscosity", "maximum load capacity of collection bag", "first setting value", "second setting value", "third setting value", etc.

[0051] During use, turn on the main switch 11 of processor 1. Three options will appear: "Work," "Evaluate," and "Settings." Selecting "Work" will display "Manual" and "Automatic" options. If "Manual" is selected, screen 15 will display the images from the front and rear cameras 7, along with "High Power," "Low Power," and "Standby" options. If "Automatic" is selected, no further operation is required; simply turn off the main switch 11 when construction is complete. After construction, selecting "Evaluate" will display the release agent viscosity, collection bag weight, and asphalt film dissolution image on screen 15, and score the data based on a ratio of release agent viscosity: collection bag weight: asphalt film dissolution image = 4:2:4. Selecting "Settings" allows you to preset parameters such as "Minimum Liquid Level," "Upper Limit of Viscosity," "Lower Limit of Viscosity," "Maximum Weight of Collection Bag," "Upper Limit of Asphalt Film Dissolution," "First Setting Value," "Second Setting Value," and "Third Setting Value."

[0052] The camera automatically captures images of the tires and binarizes them. Through machine learning, it automatically determines the asphalt adhesion to the tires. If the adhesion ratio is less than a first set value, it indicates that the tires are basically not sticking, and the system controls valve 23 to close, putting the system into standby mode. If the adhesion ratio is greater than the first set value, a release agent needs to be sprayed. At this time, the system uses thermometer 8 to obtain the temperatures of the front tires, rear tires, and road surface. If the relative value of the road surface temperature and tire temperature is greater than a second set value, the system controls valve 23 to open and sets flow processor 1 to "high power". If the relative value of the road surface temperature and tire temperature is less than the second set value, it needs to determine the relationship between the relative value of the road surface temperature and tire temperature and a third set value. If the relative value of the road surface temperature and tire temperature is greater than the third set value, the system controls valve 23 to open and sets flow processor 1 to "low power". If it is less than the third set value, the system controls valve 23 to close and puts the system into standby mode.

[0053] The above-described embodiments are merely a few specific examples of this utility model. However, the embodiments of this utility model are not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of this utility model.

Claims

1. A device for evaluating the spraying effect of asphalt release agent on a rubber-tired roller, used to evaluate the release effect of asphalt release agent sprayed on the wheels of a rubber-tired roller, wherein the asphalt release agent is sprayed onto the wheels via a spraying assembly, the spraying assembly is connected to a storage tank (2), and both the spraying assembly and the storage tank (2) are fixed to the frame (5) of the rubber-tired roller, characterized in that, It includes an asphalt collection assembly, a monitoring assembly, and a processor (1) fixed on the frame (5), wherein the asphalt collection assembly and the monitoring assembly are respectively connected to the processor (1) via CNC wires (4); The asphalt collection assembly includes: an asphalt shovel (9), an asphalt collection bag (91), and a weighing assembly. The asphalt shovel (9) is inclined, with its first side closer to the wheel higher than its second side farther from the wheel. The first side of the asphalt shovel (9) overlaps with the wheel, and the second side extends to and connects to the opening of the asphalt collection bag (91). The weighing assembly is connected to the bottom of the asphalt collection bag (91) and is used to weigh the asphalt inside the asphalt collection bag (91). The monitoring component includes a plurality of cameras (7) which are positioned toward the wheel and are used to capture images of the wheel surface. The storage tank (2) is also equipped with a viscosity sensor (26), which is electrically connected to the processor (1). The viscosity sensor (26) is used to detect the viscosity of the asphalt release agent in the storage tank (2). The processor (1) includes an image processor and a data processor; the image processor is used to calculate the area of ​​the wheel surface covered by asphalt based on the image of the wheel surface; the data processor receives the weight value of asphalt in the asphalt collection bag (91) weighed by the weighing component, the area value of the wheel surface covered by asphalt calculated by the image processor, and the viscosity value of the asphalt release agent in the storage tank (2) detected by the sensor (26) and calculates a comprehensive value reflecting the release effect of the asphalt release agent; the processor (1) adjusts the spraying amount of the spraying component according to the comprehensive value.

2. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 1, characterized in that... The camera (7) is connected to the frame (5) via a hinge support (51). The hinge support (51) includes a connecting rod and a hinge seat. The first end of the connecting rod is fixed to the frame (5) and the second end is hinged to the hinge seat. The camera (7) is fixed to the hinge seat. The hinge support (51) rotates downward from 0° to 90° with the horizontal axis as the starting point.

3. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 1, characterized in that, The spraying assembly includes a storage tank (2), multiple spray heads (61) and a flow controller (63). The storage tank (2) is connected to the multiple spray heads (61) through a delivery pipe (3). The multiple spray heads (61) are respectively facing the front and rear wheels of the frame (5). The flow controller (63) is connected to the delivery pipe (3).

4. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 3, characterized in that, The spraying assembly also includes multiple spreading brushes (62), with the first end of each spreading brush (62) hinged to the frame (5) and the second end provided with a brush that abuts against the wheel.

5. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 3, characterized in that, The monitoring component also includes three thermometers (8), which include a first thermometer for detecting road surface temperature, a second thermometer for detecting front wheel temperature and a third thermometer for detecting rear wheel temperature. The processor (1) calculates the temperature difference between the road surface temperature and the average temperature of the front and rear wheels.

6. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 1, characterized in that, The storage tank (2) further includes a level gauge (25), which is installed inside the storage tank (2) and electrically connected to the processor (1). The level gauge (25) detects the level of the asphalt release agent inside the storage tank (2).

7. The device for evaluating the effect of asphalt release agent spraying on rubber-tired rollers as described in claim 1, characterized in that, The processor (1) can be set with different parameters.

Images