Pavement quality detection device for highway engineering

Abstract

The invention relates to the technical field of road detection, and particularly discloses a road surface quality detection device for road engineering, which comprises a cross beam, a moving groove, two guide rods, a synchronous moving assembly and a detection mechanism, the left ends and the right ends of the two guide rods are arranged at the front ends and the rear ends of the left side and the right side of an inner cavity of the cross beam respectively, the synchronous moving assembly is arranged in the inner cavity of the cross beam, and the two detection mechanisms are arranged on the left side and the right side of the inner cavity of the cross beam respectively. The device not only realizes synchronous and efficient detection of the road camber cross slope and the road surface flatness, but also improves the repair efficiency through an automatic marking function, and effectively solves the problems of single function, low efficiency and difficulty in guaranteeing the precision of a detection device in the prior art through the unique design and working principle. And powerful technical support is provided for highway engineering construction and maintenance.

Description

Technical Field

[0001] The present invention relates to the technical field of highway detection, in particular to a road surface quality detection device for highway engineering. Background Art

[0002] In highway construction and maintenance, road pavement quality inspection is a crucial step. As the infrastructure of the transportation network, the quality of roads is directly related to driving safety, comfort and the service life of roads. With the continuous increase in traffic volume and vehicle load, higher requirements are placed on the smoothness, strength and durability of road pavements. Therefore, regular road pavement quality inspections and timely detection and repair of potential road surface defects such as cracks, potholes, ruts, etc. are of great significance to ensure the normal use of roads and extend their service life. Highway cross slope design is a crucial aspect of highway construction. Typically, the design requires a higher center and lower sides, known as a road crown slope. Its primary function is to promote road drainage and prevent rainwater from accumulating on the road surface, thereby reducing water erosion and damage to the road surface and improving driving safety. Especially in rainy regions or seasons, a reasonable road crown slope design can effectively prevent traffic accidents such as skidding and rollovers caused by accumulated water, ensuring driving safety. The cross slopes on both sides of the road must be symmetrical (i.e., exactly the same). This is based on the dual considerations of drainage efficiency and driving stability. If the cross slopes on both sides are asymmetrical, rainwater will accumulate on the lower side, which will not only affect drainage efficiency but may also cause premature damage to the road surface on that side. At the same time, asymmetrical cross slopes will also affect vehicle driving stability, especially when driving at high speeds or turning, which may cause adverse consequences such as lateral slippage, seriously threatening driving safety. Therefore, ensuring the symmetry of the cross slopes on both sides of the road is an important principle in highway cross slope design. However, in the existing technology, there is often a lack of reliable and efficient equipment for detecting the quality of highway pavement, especially the detection of road crown and cross slope. Traditional detection methods may rely on manual measurement or simple mechanical tools. These methods are not only inefficient but also difficult to ensure accuracy, and cannot meet the needs of large-scale highway construction and maintenance. In addition, existing detection equipment often has a single function and can only detect one of the flatness or cross slope of the road surface. It is impossible to achieve multi-purpose use of one machine, which increases the cost and time of detection. Summary of the Invention

[0003] The purpose of the present invention is to solve the problem of lack of reliable and efficient road crown and slope detection device in the prior art and low detection efficiency, and to propose a road surface quality detection device for highway engineering.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a road surface quality detection device for highway engineering, comprising: a crossbeam, a movable groove, a guide rod, a synchronous moving component, a detection mechanism, an adjustable support foot component, a marking component, an angle detection component and a pull rod, wherein a movable groove running through the top and bottom is provided in the left and right directions at the middle part of the top of the crossbeam, the number of the guide rods is two, the left and right ends of the two guide rods are respectively arranged at the front and rear ends on the left and right sides of the inner cavity of the crossbeam, the synchronous moving component is arranged in the inner cavity of the crossbeam, the number of the detection mechanisms is two, the two detection mechanisms are respectively arranged on the left and right sides of the inner cavity of the crossbeam, the detection mechanism is The upper and lower ends of the mechanism can respectively slide and extend out of the upper and lower sides of the beam, and the synchronous moving component can drive the two detection mechanisms to move synchronously. The number of the adjustable bracket assemblies is two, and the two adjustable support foot assemblies are respectively arranged on the left and right sides of the bottom end of the beam. The adjustable support foot assembly can adjust the height and levelness of the beam. The marking assembly is arranged at the bottom end of the beam, and the marking assembly can mark the location of the unqualified highway. The angle detection assembly is arranged in the middle of the front side of the beam, and the angle detection assembly can detect the inclination angle of the beam. The pull rod is detachably arranged at the bottom end of the right side of the beam.

[0005] Furthermore, the angle detection assembly includes: a rotating rod, a dial, a counterweight and an indicator baffle, the rotating rod is rotatably arranged at the front middle part of the beam through a bearing, the dial is sleeved on the outer wall of the rotating rod, the counterweight is arranged at the bottom end of the inner cavity of the dial, the indicator baffle is arranged at the front middle part of the beam, the front end of the rotating rod is rotatably arranged at the rear side of the indicator baffle through a bearing, and the dial is located in the inner cavity of the indicator baffle.

[0006] Furthermore, the detection mechanism includes: a sleeve, a detection foot, a penetration hole, a slot, a first spring, a roller and an infrared sensor. The number of the sleeves is two, and the two sleeves are slidably embedded in the left and right sides of the inner cavity of the beam, and the front and rear sides of the two sleeves are slidably sleeved on the left and right sides of the outer walls of the two guide rods, respectively. The synchronous movement component can drive the two sleeves to move synchronously, the detection foot is slidably adapted to be inserted into the inner cavity of the sleeve, the outer wall of the detection foot is slidably adapted to be inserted into the inner cavity of the moving slot, and the upper and lower sides of the detection foot are respectively The ends can be slidably extended out of the upper and lower sides of the movable slot respectively, and two through-holes are provided on the left top of the detection foot along the up and down directions, and a number of slots are provided on the outer ends of the front and rear sides of the detection foot at equal distances along the up and down directions. The first spring is sleeved on the bottom of the outer wall of the detection foot, the top of the first spring is clamped on the bottom end of the sleeve, and the bottom end of the first spring is clamped on the bottom end of the outer wall of the detection foot. The roller is rotatably arranged at the bottom end of the detection foot, and the infrared sensor is arranged on the inner top of the detection foot, and the infrared sensor is located between the two through-holes.

[0007] Furthermore, the detection mechanism also includes: a rotating roller, a blocking cloth, a pull plate, an extrusion groove, a second spring and a card ball. The number of the rotating rollers is four, and the four rotating rollers are grouped in pairs and divided into two groups. The front and rear ends of the two groups of rotating rollers are rotatably arranged on the outer top of the two detection feet through bearings in the up and down directions respectively. The rotating roller is located between the two penetration holes, and the blocking cloth is wrapped around the outer wall of the rotating roller. The number of the pull plates is four, and the four pull plates are grouped in pairs and divided into two groups. The two groups of pull plates are slidably connected to the outer walls of the two detection feet respectively. At the top of the outer side, the positions of the four pull plates correspond to the positions of the four through holes respectively, and extrusion grooves are provided on the front and back sides of the inner cavity of the pull plate. The positions of the extrusion grooves correspond to the positions of the card slots. One ends of the four shielding cloths are respectively arranged on the inner sides of the four pull plates, and the second spring is embedded in the inner cavity of the extrusion groove. One end of the second spring is clamped to the inner wall of the extrusion groove. A part of the clamping ball is embedded in the inner cavity of the extrusion groove, and the other part of the clamping ball is adapted to be inserted into the inner cavity of the card slot corresponding to its position, and the other end of the second spring is clamped to the outer wall of the clamping ball.

[0008] Furthermore, infrared receiving boards are provided on both the left and right sides of the top of the beam, the positions of the infrared receiving boards correspond to the positions of the detection feet, and the infrared receiving boards match the infrared sensors.

[0009] Furthermore, the length of the locking ball extending into the inner cavity of the locking slot is smaller than its radius.

[0010] Furthermore, a coil spring is sleeved on the rear side of the outer wall of the rotating roller, one end of the coil spring is clamped to the outer wall of the rotating roller, and the other end of the coil spring is clamped to the outer wall of the detection foot.

[0011] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention places a crossbeam across the road surface and uses an adjustable foot assembly to adjust the height and level of the crossbeam. This provides a stable and horizontal reference platform for subsequent testing, ensuring the accuracy of the test data. By rotating the knob to drive the foot up and down along the screw rod, combined with the indication of the dial and the counterweight, the crossbeam can be quickly adjusted to a horizontal state, effectively avoiding detection errors caused by uneven reference.

[0012] (2) The present invention uses a synchronous moving assembly to drive two detection mechanisms to move synchronously inward or outward along the guide rod, thereby simultaneously detecting the cross slope gradient or road surface flatness on both sides of the highway, thereby improving detection efficiency. Through dual-point synchronous detection, problems such as asymmetric slopes on both sides or uneven road surface can be discovered in a timely manner, providing accurate data for subsequent repair work.

[0013] (3) The present invention emits infrared rays through the infrared sensor in the detection mechanism, which is irradiated to the opposite side or the infrared receiving plate through the penetration hole. When the slopes on both sides of the road are symmetrical or the road surface flatness meets the requirements, the infrared rays will not penetrate the infrared receiving plate. On the contrary, the infrared rays will be received, triggering the motor to stop or the paint pump to start, so that it can accurately judge whether the slope and flatness meet the standards, avoiding the subjectivity and error of manual judgment. At the same time, by adjusting the position of the pull plate to control the expansion and folding of the shielding cloth, it can flexibly adapt to the needs of different detection accuracy.

[0014] (4) When the present invention detects that the road surface flatness does not meet the construction requirements, the paint pump draws the paint from the paint box and sprays it to the unqualified position through the automatic spray gun, so that the road surface area that needs to be repaired can be marked quickly and accurately, avoiding the tediousness and errors of manual marking and improving the efficiency of subsequent repair work.

[0015] (5) This device not only realizes the simultaneous and efficient detection of road crown cross slope and road surface flatness, but also improves the repair efficiency through the automatic marking function. Its unique design and working principle effectively solve the problems of single function, low efficiency and difficult accuracy of the detection device in the existing technology, providing strong technical support for highway engineering construction and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 Schematic diagram of the structure of the inner cavity of the beam; Figure 3 An exploded view of the present invention; Figure 4 It is a structural diagram of the testing organization; Figure 5 This is an exploded view of the testing mechanism; Figure 6 This is an exploded view of the dial; Figure 7 for Figure 3 A magnified view of point A; Figure 8 for Figure 3 Enlarged view of point B; Figure 9 for Figure 3 Enlarged view of point C; Figure 10 for Figure 4 Enlarged view of point D; Figure 11 for Figure 4 Enlarged view of point E; Figure 12 for Figure 4 Enlarged view of point F.

[0018] The list of components represented by each number in the figure is as follows: 1. Crossbeam; 2. Moving groove; 3. Guide rod; 4. Connecting rod; 5. Sprocket; 6. Chain; 7. Motor; 8. Detection mechanism; 81. Sleeve plate; 82. Detection foot; 83. Penetration hole; 84. Slot; 85. First spring; 86. Roller; 87. Rotating roller; 88. Masking cloth; 89. Pull plate; 810. Extrusion groove; 811. Second spring; 812. Card ball; 813. Infrared sensor; 9. Infrared receiving board; 10. Screw; 11. Support foot; 12. Limit column; 13. Knob; 14. Paint box; 15. Paint pump; 16. Automatic spray gun; 17. Rotating rod; 18. Dial; 19. Counterweight; 20. Indicator baffle; 21. Pull rod. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the present invention.

[0021] Reference Figures 1-12A road surface quality detection device for highway engineering includes: a crossbeam 1, a movable groove 2, a guide rod 3, a synchronous moving component, a detection mechanism 8, an infrared receiving plate 9, an adjustable support foot component, a marking component, an angle detection component and a pull rod 21. The top middle part of the crossbeam 1 is provided with a movable groove 2 that passes through the top and bottom in the left and right directions. The crossbeam 1 is the main structure of the device. The movable groove 2 that passes through the top and bottom in the left and right directions is provided at the top middle part of the crossbeam 1. It not only provides a sliding track for the detection mechanism 8, but also ensures the stability of the device during the detection process. There are two guide rods 3, and the left and right sides of the two guide rods 3 are The ends are respectively arranged at the front and rear ends on the left and right sides of the inner cavity of the beam 1. The guide rod 3 can provide a stable guiding effect for the detection mechanism 8. The synchronous moving component is arranged in the inner cavity of the beam 1. The synchronous moving component can realize the synchronous movement of the two detection mechanisms 8. The number of the detection mechanisms 8 is two. The two detection mechanisms 8 are respectively arranged on the left and right sides of the inner cavity of the beam 1. The upper and lower ends of the detection mechanism 8 can be slidably extended from the upper and lower sides of the beam 1. The synchronous moving component can drive the two detection mechanisms 8 to move synchronously. The detection mechanism 8 can accurately measure the flatness and cross slope of the road surface. By driving the synchronous moving assembly, the detection mechanism 8 can move synchronously along the moving groove 2 to achieve a comprehensive detection of the road surface quality. There are two adjustable bracket assemblies. The two adjustable foot assemblies are respectively arranged on the left and right sides of the bottom end of the beam 1. The adjustable foot assembly can adjust the height and level of the beam 1. The adjustable foot assembly can adjust the height and level of the beam 1. The marking assembly is arranged at the bottom end of the beam 1. When it is detected that the flatness or cross slope of the road surface does not meet the construction requirements, the marking assembly can mark the unqualified position of the highway, thereby realizing the rapid detection of unqualified road surfaces. Fast and accurate marking is convenient for subsequent repair work. The angle detection component is arranged in the middle of the front side of the beam 1. The angle detection component can detect the inclination angle of the beam 1. The angle detection component can accurately measure the inclination angle of the beam. The pull rod 21 is detachably arranged at the bottom end of the right side of the beam 1. There are two infrared receiving boards 9, and the two infrared receiving boards 9 are respectively arranged on the left and right sides of the top of the beam 1. When the infrared rays emitted by the infrared sensor penetrate into the receiving board due to uneven road surface or substandard slope, the receiving board transmits the signal to the control system to trigger corresponding detection or marking actions.

[0022] Specifically, such as Figure 6As shown, the angle detection assembly includes: a rotating rod 17, a dial 18, a counterweight 19 and an indicator baffle 20. The rotating rod 17 is rotatably arranged in the middle of the front side of the beam 1 through a bearing. The dial 18 is sleeved on the outer wall of the rotating rod 17. The dial 18 is a key component in the angle detection assembly for intuitively displaying the inclination angle of the beam 1. The dial 18 is engraved with precise angle scales. When the beam 1 tilts, the dial 18 will remain vertical under the action of gravity. The inclination angle of the beam 1 is accurately indicated by the change in relative position with the indicator baffle 20. The counterweight 19 is arranged on the dial 18. At the bottom of the inner cavity, the gravity of the counterweight 19 makes the dial 18 always subjected to a downward pull, so that when the beam 1 tilts in any direction, the dial 18 can remain vertical, ensuring the accuracy of angle detection. The indicating baffle 20 is arranged in the middle of the front side of the beam 1, and the front end of the rotating rod 17 is rotatably arranged on the rear side of the indicating baffle 20 through a bearing. The dial 18 is located in the inner cavity of the indicating baffle 20. The indicating baffle 20 not only provides a stable support structure for the rotating rod 17 and the dial 18, but also cooperates with the dial 18 through its top end to help the detection personnel accurately read the inclination angle of the beam 1.

[0023] Specifically, such as Figure 4 、 Figure 5 、 Figure 10 、 Figure 11 and Figure 12As shown, the detection mechanism 8 includes: a sleeve 81, a detection foot 82, a penetration hole 83, a card slot 84, a first spring 85, a roller 86, a rotating roller 87, a shielding cloth 88, a pull plate 89, an extrusion groove 810, a second spring 811 and a card ball 812 and an infrared sensor 813. There are two sleeves 81, and the two sleeves 81 are slidably embedded in the left and right sides of the inner cavity of the beam 1 respectively. The front and rear sides of the two sleeves 81 are slidably connected to the left and right sides of the outer walls of the two guide rods 3 respectively. The synchronous moving component can drive the two sleeves 81 to move synchronously. The synchronous moving component drives the sleeve 81 to move synchronously, and then drives the detection foot 82 and other components to perform synchronous detection, thereby improving the detection efficiency and accuracy. The detection foot 82 can slide and adapt to the plug. Connected to the inner cavity of the sleeve plate 81, the outer wall of the detection foot 82 can be slidably adapted and inserted into the inner cavity of the movable groove 2, and the upper and lower ends of the detection foot 82 can slidably extend out of the upper and lower sides of the movable groove 2 respectively. The left top of the detection foot 82 is provided with two left and right penetrating holes 83 along the up and down directions. The outer ends of the front and rear sides of the detection foot 82 are provided with a number of card slots 84 equidistantly along the up and down directions. The position of the infrared receiving board 9 corresponds to the position of the detection foot 82. The detection foot 82 is the core executive component of the detection mechanism 8. The detection foot 82 can directly contact the road surface to detect the flatness and cross slope of the road surface. The first spring 85 is sleeved on the bottom of the outer wall of the detection foot 82, and the top of the first spring 85 is clamped on the bottom end of the sleeve plate 81. The bottom of the first spring 85 The end is connected to the bottom end of the outer wall of the detection foot 82. The first spring 85 is a rotary spring. It undergoes elastic deformation when squeezed or stretched by external force, and returns to its original state after the external force is removed. During the detection process, the first spring 85 can maintain the stable contact between the detection foot 82 and the road surface, while ensuring that the detection foot 82 can be smoothly reset after the detection is completed. The roller 86 is rotatably set at the bottom end of the detection foot 82. During the detection process, the rolling of the roller 86 reduces the friction with the road surface, thereby improving the smoothness and accuracy of the detection. The infrared sensor 813 is set at the inner top of the detection foot 82. The infrared sensor 813 is located between the two penetration holes 83. The infrared receiving plate 9 and the infrared sensor 813 match each other. During the detection process, the infrared sensor 813 The infrared signal is transmitted and the infrared receiving plate 9 is coordinated to judge whether the flatness and cross slope of the road surface meet the requirements. There are four rotating rollers 87, and the four rotating rollers 87 are grouped in pairs and divided into two groups. The front and rear ends of the two groups of rotating rollers 87 are rotatably arranged on the outer top of the two detection feet 82 through bearings in the up and down directions respectively. The rotating roller 87 is located between the two penetration holes 83. A coil spring is sleeved on the rear side of the outer wall of the rotating roller 87. One end of the coil spring is clamped on the outer wall of the rotating roller 87, and the other end of the coil spring is clamped on the outer wall of the detection foot 82. The rotating roller 87 is used to wind the shielding cloth 88. The coil spring sleeved on the rear side of its outer wall is elastically deformed when the pull plate 89 moves, providing a rebound force so that the shielding cloth 88 can be automatically retracted after the pull plate 89 is released.The shielding cloth 88 is wrapped around the outer wall of the rotating roller 87. The shielding cloth 88 is used to block the infrared rays emitted by the infrared sensor 813, thereby preventing the infrared rays emitted by the infrared sensor 813 from passing through the penetration hole 83. There are four pull plates 89, and the four pull plates 89 are grouped in twos, divided into two groups. The two groups of pull plates 89 are slidably connected to the outer top of the outer wall of the two detection feet 82, and the positions of the four pull plates 89 correspond to the positions of the four penetration holes 83 respectively. The front and back sides of the inner cavity of the pull plate 89 are provided with extrusion grooves 810, and the position of the extrusion groove 810 corresponds to the position of the card slot 84. One end of the four shielding cloths 88 is respectively arranged on the inner side of the four pull plates 89. The pull plates 89 are used to adjust the shielding range of the shielding cloth 88. By sliding the pull plates 89 up and down, the shielding cloth 88 can be stretched or retracted, thereby changing the shielding state of the penetration hole 83. The second spring 811 is embedded in the extrusion grooves. The inner cavity of the pressing groove 810, one end of the second spring 811 is clamped to the inner wall of the extrusion groove 810, the second spring 811 is a rotation spring, which undergoes elastic deformation when squeezed or stretched by external force, and returns to its original state after the external force is removed. During the sliding process of the pull plate 89, the second spring 811 provides elastic force, so that the card ball 812 can be smoothly inserted into or out of the card groove 84, realizing flexible adjustment and fixation of the pull plate 89. A part of the card ball 812 is embedded in the inner cavity of the extrusion groove 810, and the other part of the card ball 812 is adapted to be inserted into the inner cavity of the card groove 84 corresponding to its position. The other end of the second spring 811 is clamped to the outer wall of the card ball 812. The position of the pull plate 89 can be fixed by the cooperation between the card ball 812 and the card groove 84. The length of the card ball 812 extending into the inner cavity of the card groove 84 is less than its radius, ensuring that the pull plate 89 can slide up and down along the outer wall of the detection foot 82.

[0024] Specifically, such as Figure 2 and Figure 3 As shown, the synchronous moving assembly includes: a connecting rod 4, a sprocket 5, a chain 6 and a motor 7. There are two connecting rods 4, and the two connecting rods 4 are rotatably arranged on the left and right sides of the bottom end of the inner cavity of the beam 1 through bearings. The top end of the connecting rod 4 on the right side can rotatably extend out of the top end of the beam 1. The sprocket 5 is sleeved on the outer wall of the connecting rod 4 and locked by a top screw. The two ends of the chain 6 are sleeved on the outer walls of the two sprockets 5. The two sleeves 81 are respectively arranged on the front and rear sides of the chain 6. The chain 6 serves as a key transmission component of the synchronous moving assembly. The chain 6 realizes power transmission and synchronous movement of the sleeve 81 by meshing with the two sprockets 5. The motor 7 is screwed to the right side of the top end of the beam 1, and the top end of the connecting rod 4 on the right side is locked to the output end of the motor 7 through a coupling. The motor 7 is a prior art, and the motor 7 is a servo motor. I will not go into details here. The motor 7 serves as the power source of the synchronous moving assembly and is used to drive the sprocket 5 to rotate.

[0025] Specifically, such as Figure 3 and Figure 8 As shown, the adjustable foot assembly includes: a screw 10, a foot 11, a limit column 12 and a knob 13. There are two screws 10, and the two screws 10 are respectively arranged on the left and right sides of the bottom end of the beam 1. The screw 10 serves as the core support and adjustment component of the adjustable foot assembly. The screw 10 not only provides a solid vertical support force, but also realizes fine adjustment of the height through its thread. The foot 11 is slidably sleeved on the outer wall of the screw 10. The foot 11 is the part of the adjustable foot assembly that directly contacts the ground. Wheels are rotatably provided on the front and back sides of the bottom end of the foot 11, so that the detection device can be easily pushed when it needs to be moved, which greatly improves the portability and flexibility of the equipment. The limit column 12 is arranged at the bottom end of the inner cavity of the foot 11, and the limit column 12 is slidably adapted to be inserted into the inner cavity of the screw 10. The knob 13 is rotatably arranged on the top of the foot 11 through a bearing, and the knob 13 is screwed to the outer wall of the screw 10.

[0026] Specifically, such as Figure 2 and Figure 9 As shown, the marking component includes: a paint box 14, a paint pump 15 and an automatic spray gun 16. The paint box 14 is arranged in the middle of the inner cavity of the beam 1. The paint box 14 is used to store paint. The paint pump 15 is screwed to the bottom end of the beam 1. The paint pump 15 is connected to the paint box 14 through a pipeline. The paint pump 15 is a prior art and will not be described in detail here. The paint pump 15 is used here to extract the paint from the inner cavity of the paint box 14. The automatic spray gun 16 is arranged on the right side of the bottom end of the beam 1. The position of the automatic spray gun 16 corresponds to the position of the roller 86 on the right side. The automatic spray gun 16 is connected to the paint pump 15 through a pipeline. The automatic spray gun 16 is a prior art and will not be described in detail here. The automatic spray gun 16 is used here to spray paint to the position where the road surface flatness is unqualified for marking.

[0027] Here’s how it works: Step 1: When it is necessary to detect the road humps and slopes of the highway, place the crossbeam 1 across the road surface, and make the axis of the dial 18 and the center line of the highway in the same vertical plane, and place the two legs 11 on both sides of the road respectively, and rotate the two knobs 13. The rotational force generated by the rotation of the knobs 13 and the screw 10 can drive the legs 11 to move upward along the outer wall of the screw 10, thereby prompting the crossbeam 1 to move downward until both rollers 86 are in contact with the road surface, and continue to rotate the knob 13 to prompt the crossbeam 1 to continue to move downward. The downward movement of the crossbeam 1 can drive the sleeve 81 to move downward. At this time, the road surface blocks the detection legs 82. When the sleeve 81 continues to move downward, that is, The first spring 85 can be squeezed to elastically deform until the beam 1 is adjusted to an appropriate height. The horizontality of the beam 1 can be determined by observing the dial 18. Since a counterweight 19 is provided at the bottom end of the inner cavity of the dial 18, gravity will cause the bottom end of the dial 18 to always be vertically facing the ground. The inclination angle of the beam can be determined by observing the value of the scale line on the front side of the dial 18 corresponding to the top end of the indicator baffle 20. At this time, the beam 1 is not in a horizontal state. By rotating the knob 13 on one side of the beam 1, the rotational force generated by the rotation of the knob 13 and the screw 10 can drive the support leg 11 to move up and down along the outer wall of the screw 10 until the beam 1 is adjusted to a horizontal state. Step 2: Because the transverse slopes on both sides of the road must be symmetrical, if they are not completely symmetrical, it will lead to poor drainage of the road, water will accumulate on the lower side, and it will cause unstable driving of vehicles, which may cause adverse consequences such as lateral slippage. At this time, the positions of the four pull plates 89 are adjusted according to the allowable error range of the transverse slopes on both sides of the road required by the construction. By sliding the four pull plates 89 up and down, when the pull plates 89 slide along the outer wall of the detection foot 82, the inner wall of the card slot 84 can be used to squeeze the card ball 812 to move toward the inner cavity of the extrusion slot 810, and squeeze the second spring 811 to cause elastic deformation until the card ball 812 completely moves to the inner cavity of the extrusion slot 810. At the same time, the pull plate 89 is pulled. When the plate 89 slides along the outer wall of the detection foot 82, the pulling plate 89 can be used to pull the shielding cloth 88 to drive the rotating roller 87 to rotate, and the coil spring sleeved on the outer wall of the rotating roller 87 can be elastically deformed until the pulling plate 89 moves to a suitable position. Under the elastic force of the second spring 811, the card ball 812 can be pushed into the inner cavity of the card slot 84 corresponding to its current position. The position of the pulling plate 89 can be fixed by the cooperation between the card ball 812 and the card slot 84. At this time, the inner cavity of the through hole 83 between the two pulling plates 89 on the outer wall of the same detection foot 82 will be blocked by the shielding cloth 88, thereby preventing the infrared rays emitted by the infrared sensor 813 from passing through. Step 3, start the infrared sensor 813, the infrared receiving board 9 and the motor 7. At this time, since the crossbeam 1 is in a horizontal state, if the slope of the road arch at the position of the two detection feet 82 is the same, the infrared rays emitted by the two infrared sensors 813 will be respectively irradiated on the infrared sensors 813 opposite to them. At this time, the infrared receiving board 9 will not receive the infrared signal emitted by the infrared sensor 813. The output end of the motor 7 can rotate to drive the sprocket 5 to rotate through the connecting rod 4. The rotation of the sprocket 5 can prompt the chain 6 to move circumferentially. Since the two sets of plates 81 are respectively arranged on the front and rear sides of the chain 6, when the chain 6 moves circumferentially, the two sets of plates 81 will drive the two detection feet 82 to move inward synchronously. Since the cross slopes on both sides of the road have slopes, the two detection feet 82 will move synchronously. In the process of moving inward, the detection foot 82 will gradually move upward due to the slope, and squeeze the first spring 85 to cause elastic deformation. For example, if the slopes of the transverse slopes on both sides of the road are different, as the two detection feet 82 move, when they move to this position, the heights of the two detection feet 82 will be different. If the error exceeds the range required for use, the height of one detection foot 82 will be higher than the height of the other detection foot 82, which will cause the infrared rays emitted by the two infrared sensors 813 to pass through the inner cavity of the penetration hole 83 and illuminate the two infrared receiving boards 9 respectively. When the infrared receiving board 9 detects the infrared signal emitted by the infrared sensor 813, it turns off the motor 7. At this time, the two detection feet 82 stop moving. The positions of the two detection feet 82 are the positions where the transverse slope does not meet the construction requirements. Step 4: When it is necessary to detect the slope of the highway slope, rotate the two knobs 13. The rotation of the knobs 13 can drive the supporting legs 11 to move downward along the outer wall of the screw 10 until the knobs 13 can no longer rotate. At this time, the bottom ends of the two supporting legs 11 are in the same horizontal plane. The device is placed on the highway slope. The inclination angle of the beam can be determined by observing the value of the scale line on the front side of the dial 18 corresponding to the top of the indicator baffle 20. Thus, the slope of the highway slope at that position can be detected, so as to determine whether it meets the construction requirements. By pulling the pull rod 21 to pull the beam 1 along the highway slope, the highway slope can be measured at multiple points. Step 5. When it is necessary to detect the flatness of the road surface, start the motor 7 to drive the chain 6 to move circumferentially, thereby prompting the two detection feet 82 to return to their initial positions, and rotate the two knobs 13. The rotational force generated by the rotation of the knob 13 and the screw 10 can drive the support foot 11 to move upward along the outer wall of the screw 10, thereby prompting the beam 1 to move downward until the two rollers 86 are in contact with the road surface, and continue to rotate the knob 13 to prompt the beam 1 to continue to move downward. The downward movement of the beam 1 can drive the sleeve 81 to move downward. At this time, the road surface blocks the detection foot 82. When the sleeve 81 continues to move downward, the first spring 85 can be squeezed to cause elastic deformation until the beam 1 is adjusted to an appropriate height, and the beam 1 is prompted to be in a horizontal state by observing the dial 18. Start the infrared sensor 813, the infrared receiving board 9 and the paint pump 15. According to the allowable error range of the road surface flatness required by the construction, Slide the four pull plates 89 around, and then repeat the above actions until the pull plates 89 are adjusted to the appropriate position, pull the pull rod 21 to drive the beam 1 to move, and as the beam 1 moves, the rollers 86 at the bottom ends of the two detection feet 82 will roll along the road surface. When the detection foot 82 on the right side moves to a position where the road surface flatness does not meet the construction requirements, the detection foot 82 on the right side will be prompted to move up or down, which will cause the infrared rays emitted by the two infrared sensors 813 to pass through the inner cavity of the penetration hole 83 and illuminate the two infrared receiving plates 9 respectively. When the infrared receiving plate 9 detects the infrared signal emitted by the infrared sensor 813, it starts the paint pump 15 and the automatic spray gun 16. The paint pump 15 draws the paint from the inner cavity of the paint box 14 and sprays it onto the road surface at the right detection foot 82 through the automatic spray gun 16, so that the road surface that does not meet the flatness requirements can be marked.

[0028] In summary, this device not only realizes the simultaneous and efficient detection of road crown, cross slope and road surface flatness, but also improves the repair efficiency through the automatic marking function. Its unique design and working principle effectively solve the problems of single function, low efficiency and difficult accuracy of detection devices in the existing technology, providing strong technical support for highway engineering construction and maintenance.

[0029] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to specific embodiments. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A road surface quality detection device for highway engineering, characterized in that: include: A crossbeam (1), wherein a movable groove (2) is provided in the middle of the top end of the crossbeam (1) in the left-right direction and runs through the crossbeam (1) vertically; Guide rods (3), the number of the guide rods (3) is two, and the left and right ends of the two guide rods (3) are respectively arranged at the front and rear ends of the left and right sides of the inner cavity of the crossbeam (1); A synchronous moving component, the synchronous moving component being arranged in the inner cavity of the crossbeam (1); Detection mechanisms (8), the number of the detection mechanisms (8) is two, the two detection mechanisms (8) are respectively arranged on the left and right sides of the inner cavity of the beam (1), the upper and lower ends of the detection mechanisms (8) are respectively slidably extended out of the upper and lower sides of the beam (1), and the synchronous movement component can drive the two detection mechanisms (8) to move synchronously; An adjustable foot assembly, wherein the number of the adjustable support assemblies is two, and the two adjustable foot assemblies are respectively arranged on the left and right sides of the bottom end of the beam (1), and the adjustable foot assemblies can adjust the height and levelness of the beam (1); A marking component, the marking component is arranged at the bottom end of the crossbeam (1), and the marking component can mark the location of the road that is unqualified; An angle detection component, the angle detection component is arranged in the middle of the front side of the crossbeam (1), and the angle detection component is capable of detecting the inclination angle of the crossbeam (1); A pull rod (21) is detachably arranged at the right bottom end of the crossbeam (1).

2. A road surface quality detection device for highway engineering according to claim 1, characterized in that: The angle detection component includes: A rotating rod (17), the rotating rod (17) being rotatably arranged at the middle of the front side of the crossbeam (1) via a bearing; a scale plate (18), wherein the scale plate (18) is sleeved on the outer wall of the rotating rod (17); A counterweight (19), the counterweight (19) being arranged at the bottom end of the inner cavity of the scale plate (18); The indicating baffle (20) is arranged at the middle of the front side of the crossbeam (1), the front end of the rotating rod (17) is rotatably arranged at the rear side of the indicating baffle (20) through a bearing, and the dial (18) is located in the inner cavity of the indicating baffle (20).

3. A road surface quality detection device for highway engineering according to claim 2, characterized in that: The detection mechanism (8) comprises: The sleeve plates (81) are two in number, and the two sleeve plates (81) are respectively slidably embedded in the left and right sides of the inner cavity of the crossbeam (1), and the front and rear sides of the two sleeve plates (81) are respectively slidably sleeved on the left and right sides of the outer walls of the two guide rods (3), and the synchronous movement component can drive the two sleeve plates (81) to move synchronously; A detection foot (82), the detection foot (82) can be slidably adapted to be inserted into the inner cavity of the sleeve plate (81), the outer wall of the detection foot (82) can be slidably adapted to be inserted into the inner cavity of the movable groove (2), the upper and lower ends of the detection foot (82) can be slidably extended out of the upper and lower sides of the movable groove (2), the left top of the detection foot (82) is provided with two through holes (83) extending left and right along the vertical direction, and the outer ends of the front and rear sides of the detection foot (82) are both provided with a plurality of slots (84) equidistantly along the vertical direction; a first spring (85), wherein the first spring (85) is sleeved on the bottom of the outer wall of the detection foot (82), the top end of the first spring (85) is clamped on the bottom end of the sleeve plate (81), and the bottom end of the first spring (85) is clamped on the bottom end of the outer wall of the detection foot (82); A roller (86), the roller (86) being rotatably disposed at the bottom end of the detection foot (82); An infrared sensor (813) is provided on the inner top of the detection foot (82), and the infrared sensor (813) is located between the two penetration holes (83).

4. A road surface quality detection device for highway engineering according to claim 3, characterized in that: The detection mechanism also includes: Rotating rollers (87), the number of the rotating rollers (87) is four, and the four rotating rollers (87) are grouped in pairs, divided into two groups, and the front and rear ends of the two groups of rotating rollers (87) are rotatably arranged on the outer tops of the two detection feet (82) through bearings in the upper and lower directions, and the rotating rollers (87) are located between the two penetration holes (83); A shielding cloth (88), wherein the shielding cloth (88) is wound around the outer wall of the rotating roller (87); Pull plates (89), the number of the pull plates (89) is four, and the four pull plates (89) are grouped in pairs, divided into two groups, and the two groups of pull plates (89) are slidably sleeved on the outer top of the outer wall of the two detection feet (82), and the positions of the four pull plates (89) correspond to the positions of the four penetration holes (83), and the front and rear sides of the inner cavity of the pull plate (89) are provided with extrusion grooves (810), and the position of the extrusion grooves (810) corresponds to the position of the card slot (84), and one end of the four shielding cloths (88) is respectively arranged on the inner side of the four pull plates (89); a second spring (811), the second spring (811) being embedded in the inner cavity of the extrusion groove (810), and one end of the second spring (811) being clamped to the inner wall of the extrusion groove (810); A locking ball (812) is provided, wherein a portion of the locking ball (812) is embedded in the inner cavity of the extrusion groove (810), and another portion of the locking ball (812) is adapted to be inserted into the inner cavity of the locking groove (84) corresponding to its position, and the other end of the second spring (811) is locked to the outer wall of the locking ball (812).

5. A road surface quality detection device for highway engineering according to claim 4, characterized in that: Infrared receiving plates (9) are provided on both left and right sides of the top of the crossbeam (1). The position of the infrared receiving plates (9) corresponds to the position of the detection foot (82). The infrared receiving plates (9) and the infrared sensor (813) are matched.

6. A road surface quality detection device for highway engineering according to claim 5, characterized in that: The length of the card ball (812) extending into the inner cavity of the card slot (84) is less than its radius.

7. A road surface quality detection device for highway engineering according to claim 6, characterized in that: A coil spring is sleeved on the rear side of the outer wall of the rotating roller (87), one end of the coil spring is clamped to the outer wall of the rotating roller (87), and the other end of the coil spring is clamped to the outer wall of the detection foot (82).

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