A concrete pavement marking device for highway engineering

Abstract

The utility model provides a kind of concrete pavement engraving device for highway engineering belongs to road construction technical field. Including carrier, the connecting piece is fixedly connected on the carrier, push hand is installed on the connecting piece, the front of the carrier is provided with engraving knife group, lifting device for adjusting engraving depth is provided on the carrier, driving device for driving engraving knife group rotation is provided on the carrier, the front of the carrier is provided with damping assembly. The utility model can buffer the vibration caused by uneven road surface by damping unit, reduce the up and down deviation of engraving knife group, ensure the engraving depth precision, reduce equipment loss at the same time, the guiding limiting unit limits the vertical displacement of knife group, the pressure measuring buffer unit adjusts the distance of the gap between the horizontal direction of upper fixed support and lower knife group mounting support, avoids the left and right deviation of knife group, ensures that the engraving pitch meets the design requirement, improves the road surface aesthetic degree and practicality.

Description

Technical Field

[0001] This utility model relates to the field of road construction technology, and in particular to a concrete pavement texturing device for highway engineering. Background Technology

[0002] In the field of highway construction, concrete pavement is widely used in the construction of highways at all levels due to its advantages such as high strength, high stability, and long service life. To improve the anti-skid performance of the pavement and avoid the risk of vehicles skidding, while also enhancing the pavement's drainage capacity and reducing the erosion of the pavement structure by rainwater accumulation, it is necessary to perform texturing operations on the concrete pavement after initial setting and before final setting. This texturing process, which uses a texturing device to form regular and uniform textures on the pavement surface, has become one of the key steps in concrete pavement construction.

[0003] However, traditional grading devices mostly use rigid connection structures and lack shock absorption and buffer design. When there are small bumps, depressions or uneven areas on the working surface, the grading blades are prone to violent up-and-down vibration with the undulations of the road surface, resulting in significant fluctuations in the grading depth. If the grading is too deep, it will damage the integrity of the road surface structure, and if the grading is too shallow, it will not meet the design anti-skid standard. In addition, the existing devices have insufficient lateral limiting ability for the grading blades. During operation, the blades are prone to left and right deviation due to vibration or external interference, resulting in uneven grading spacing. This not only affects the aesthetics of the road surface, but also leads to uneven stress on the road surface texture and shortens the service life of the road surface.

[0004] Therefore, this application provides a concrete pavement texturing device for highway engineering to meet the requirements. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a concrete pavement texturing device for highway engineering, so as to solve the problem that the texturing accuracy of concrete pavement texturing devices for highway engineering is difficult to guarantee.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0007] A concrete pavement texturing device for highway engineering includes a carrier, a connector fixedly connected to the carrier, a pusher installed on the connector, a texturing blade assembly arranged in front of the carrier, a lifting device for adjusting the texturing depth on the carrier, a driving device for driving the texturing blade assembly to rotate on the carrier, and a shock-absorbing component arranged in front of the carrier.

[0008] The shock absorption assembly consists of an upper fixed bracket and a lower tool assembly mounting bracket. A shock absorption unit and a guide limiting unit are provided between the upper fixed bracket and the lower tool assembly mounting bracket at a vertical distance. The shock absorption unit is used to maintain the accuracy of the engraving depth.

[0009] A pressure-measuring buffer unit is provided between the upper fixed bracket and the lower tool assembly mounting bracket at a horizontal distance. The guide limiting unit and the pressure-measuring buffer unit are used to maintain the accuracy of the engraving spacing.

[0010] Optionally, the drive device includes a mounting bracket on which a motor is mounted. The motor is connected to the engraving cutter shaft via a transmission belt, and engraving cutter sets are mounted at equal intervals on the engraving cutter shaft.

[0011] Optionally, the upper fixed bracket is fixedly installed at the front of the vehicle.

[0012] Optionally, the lower blade assembly mounting bracket has through holes and threaded holes on both sides. A ball bearing is installed in the through hole, and the engraving blade shaft is rotatably connected to the ball bearing.

[0013] Optionally, the damping unit includes a hydraulic damper and a helical spring. The lower end of the hydraulic damper is threaded into a threaded connection hole. An anti-loosening nut is installed at the connection between the hydraulic damper and the threaded connection hole. The upper end of the hydraulic damper is welded to the lower end of the helical spring. The upper end of the helical spring is fixedly connected into a mounting hole. A rubber buffer pad is sleeved on the outside of the piston rod of the hydraulic damper.

[0014] Optionally, the threaded connection hole is located on the upper surface of the lower tool assembly mounting bracket, and the mounting hole is located on the lower surface of the upper fixed bracket.

[0015] Optionally, the guide limiting unit includes a guide shaft and a guide sleeve. The guide sleeve is fixedly connected to the upper surface of the lower blade assembly mounting bracket. The upper fixed bracket has a through hole two. The guide shaft can slide up and down within the guide sleeve and the through hole two. An upper limit block and a lower limit block are provided on the guide shaft.

[0016] Optionally, the upper limit block is located above the second through hole, and the lower limit block is located between the guide sleeve and the second through hole.

[0017] Optionally, the pressure measuring buffer unit includes an adjusting screw and a side pressure plate. The side pressure plate has an adjusting groove on the side near the lower blade assembly mounting bracket. A disc spring is installed in the adjusting groove, and a sliding plate is slidably connected inside the adjusting groove. The adjusting screw enters the adjusting groove and abuts against the side of the sliding plate.

[0018] Optionally, the adjusting screw is threadedly connected to the threaded hole.

[0019] Compared with the prior art, this utility model has at least the following beneficial effects:

[0020] In the above solution, the vibration damping unit can effectively buffer the vibration caused by uneven road surface. The helical spring can initially absorb low-frequency impacts, and the hydraulic damper can quickly attenuate high-frequency vibrations, preventing the engraving tool assembly from shifting up and down due to bumps, ensuring uniform engraving depth, and meeting engineering design standards.

[0021] By incorporating a guide limiting unit and a pressure measuring buffer unit, the guide limiting unit restricts the grooving blade assembly to move only in the vertical direction through the cooperation of the guide shaft and the guide sleeve, reducing lateral offset. The pressure measuring buffer unit absorbs the horizontal vibration and impact of the lower support through a disc spring, reducing the left and right swaying of the grooving blade assembly and further reducing lateral offset. The two work together to ensure accurate grooving spacing and improve the road surface's aesthetics and anti-skid performance. Attached Figure Description

[0022] The accompanying drawings, which are incorporated herein and form part of the specification, illustrate embodiments of the present invention and, together with the specification, further serve to explain the principles of the present invention and enable those skilled in the art to implement and use the present invention.

[0023] Figure 1 A three-dimensional structural diagram of a concrete pavement texturing device used in highway engineering.

[0024] Figure 2 This is a three-dimensional structural diagram of the shock absorption component;

[0025] Figure 3 A three-dimensional structural diagram of the damping unit and the guide limiting unit;

[0026] Figure 4 for Figure 3 Enlarged schematic diagram of the structure at point A in the diagram;

[0027] Figure 5 This is a three-dimensional structural diagram of the pressure measurement buffer unit.

[0028] Figure label:

[0029] 1. Carrier; 2. Connector; 201. Push handle; 3. Lifting device; 4. Drive device; 401. Mounting bracket; 402. Motor; 403. Drive belt; 404. Engraving cutter shaft; 405. Engraving cutter assembly; 5. Shock absorption assembly; 501. Upper fixed bracket; 502. Lower cutter assembly mounting bracket; 5021. Through hole one; 5022. Ball bearing; 5023. Threaded hole; 503. Shock absorption unit; 5031. Threaded connection hole; 50 32. Anti-loosening nut; 5033. Hydraulic damper; 5034. Helical spring; 5035. Rubber buffer pad; 5036. Mounting hole; 504. Guide limit unit; 5041. Guide sleeve; 5042. Through hole two; 5043. Guide shaft; 5044. Lower limit block; 5045. Upper limit block; 505. Pressure measuring buffer unit; 5051. Adjusting screw; 5052. Slide plate; 5053. Disc spring; 5054. Side pressure plate.

[0030] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiment of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to this specific structure, device and environment. Those skilled in the art can adjust or modify these devices and environments according to specific needs. Detailed Implementation

[0031] The present invention provides a concrete pavement texturing device for highway engineering, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; for some known technologies, those skilled in the art can also use other alternative methods to implement the invention. Furthermore, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit the present invention.

[0032] It should be noted that the use of terms such as "an embodiment," "an embodiment," "an exemplary embodiment," and "some embodiments" in the specification indicates that the described embodiment may include a specific feature, structure, or characteristic, but not every embodiment necessarily includes that specific feature, structure, or characteristic. Furthermore, when a specific feature, structure, or characteristic is described in connection with an embodiment, implementing such a feature, structure, or characteristic in conjunction with other embodiments (whether explicitly described or not) should be within the knowledge of those skilled in the art.

[0033] Generally, terms can be understood at least partly from their use in context. For example, depending at least partly on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in a singular sense, or a combination of features, structures, or characteristics in a plural sense. Additionally, the term "based on" can be understood not necessarily to convey an exclusive set of factors, but rather, alternatively, depending at least partly on the context, to allow for the presence of other factors that are not necessarily explicitly described.

[0034] It is understood that the meanings of “on”, “above” and “above” in this disclosure should be interpreted in the broadest sense, such that “on” means not only “directly on” something, but also includes something with an intermediary feature or layer, and that “above” or “above” means not only “on” something, but also includes something “above” or “above” without an intermediary feature or layer.

[0035] Furthermore, spatially related terms such as “below,” “under,” “lower,” “above,” and “upper” are used herein for convenience to describe the relationship of one element or feature to one or more other elements or features, as illustrated in the accompanying drawings. Spatially related terms are intended to cover different orientations in the use or operation of the device other than those depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially related descriptive terms used herein can be interpreted similarly.

[0036] like Figures 1 to 5As shown, an embodiment of this utility model provides a concrete pavement texturing device for highway engineering, including a carrier 1, a connector 2 fixedly connected to the carrier 1, a pusher 201 installed on the connector 2, a texturing blade assembly 405 arranged in front of the carrier 1, a lifting device 3 for adjusting the texturing depth arranged on the carrier 1, a driving device 4 for driving the texturing blade assembly 405 to rotate arranged on the carrier 1, and a shock-absorbing component 5 arranged in front of the carrier 1. The shock-absorbing component 5 consists of an upper fixed bracket 501 and a lower blade assembly mounting bracket 502. A shock-absorbing unit 503 and a guide limiting unit 504 are arranged between the upper fixed bracket 501 and the lower blade assembly mounting bracket 502 at a vertical distance. The shock-absorbing unit 503 is used to maintain the accuracy of the texturing depth. The upper fixed bracket... A pressure-measuring buffer unit 505 is installed between the upper fixed bracket 501 and the lower blade assembly mounting bracket 502 in a horizontal distance. The guide limiting unit 504 and the pressure-measuring buffer unit 505 are used to maintain the accuracy of the groove spacing. Through the upper fixed bracket 501 and the lower blade assembly mounting bracket 502 set in front, together with the shock absorption unit 503, the vibration caused by uneven road surface can be buffered, the vertical offset of the groove blade assembly 405 can be reduced, the groove depth accuracy can be guaranteed, and the equipment wear can be reduced. The guide limiting unit 504 restricts the vertical displacement of the blade assembly, and the pressure-measuring buffer unit 505 adjusts the horizontal gap between the upper fixed bracket 501 and the lower blade assembly mounting bracket 502 to prevent the blade assembly from shifting left and right, ensuring that the groove spacing meets the design requirements and improving the aesthetics and practicality of the road surface.

[0037] like Figures 1 to 2 As shown, the drive device 4 includes a mounting bracket 401, on which a motor 402 is mounted. The motor 402 is connected to the engraving cutter shaft 404 via a transmission belt 403. Engraving cutter sets 405 are installed at equal intervals on the engraving cutter shaft 404. An upper fixed bracket 501 is fixedly mounted in front of the carrier 1. The lower cutter set mounting bracket 502 has through holes 5021 and threaded holes 5023 on both sides. A ball bearing 5022 is installed in the through hole 5021. The engraving cutter shaft 404 is rotatably connected to the ball bearing 5022. The motor 402 is connected to the engraving cutter shaft 404 via a transmission belt 403. The ball bearing 5022 installed in the through hole 5021 of the lower cutter set mounting bracket 502 makes the cutter shaft rotate smoothly, reduces frictional resistance, reduces wear of the cutter shaft, and ensures uniform rotation speed of the cutter set to avoid fluctuations in engraving depth.

[0038] like Figure 3As shown, the damping unit 503 includes a hydraulic damper 5033 and a coil spring 5034. The lower end of the hydraulic damper 5033 is threaded into a threaded connection hole 5031. A lock nut 5032 is installed at the connection between the hydraulic damper 5033 and the threaded connection hole 5031. The upper end of the hydraulic damper 5033 is welded to the lower end of the coil spring 5034. The upper end of the coil spring 5034 is fixedly connected into a mounting hole 5036. A rubber buffer pad 5035 is sleeved on the outside of the piston rod of the hydraulic damper 5033. The threaded connection hole 5031 is located on the upper surface of the lower blade assembly mounting bracket 502. The mounting hole 5036 is provided with... The hydraulic damper 5033 and the helical spring 5034 are placed on the lower surface of the upper fixed bracket 501. The hydraulic damper 5033 can quickly absorb high-frequency vibrations, the helical spring 5034 can buffer low-frequency impacts, and the anti-loosening nut 5032 prevents the connection from loosening due to long-term vibration, ensuring the stable operation of the shock absorption unit 503 and reducing the risk of equipment failure. The rubber buffer pad 5035 can reduce the friction between the piston rod and other components, while preventing dust and impurities from entering the damper, extending the service life of the damper, and ensuring stable shock absorption performance. With the combined effect of multiple factors, the impact of uneven road surface on the cutter assembly is effectively reduced, ensuring the accuracy of the engraving depth.

[0039] like Figure 3 As shown, the guide limiting unit 504 includes a guide shaft 5043 and a guide sleeve 5041. The guide sleeve 5041 is fixedly connected to the upper surface of the lower tool assembly mounting bracket 502. The upper fixed bracket 501 has a through hole 5042. The guide shaft 5043 can slide up and down within the guide sleeve 5041 and the through hole 5042. An upper limit block 5045 and a lower limit block 5044 are provided on the guide shaft 5043. The upper limit block 5045 is located above the through hole 5042, and the lower limit block 5044 is located between the guide sleeve 5041 and the through hole 5042. Through the cooperation between the guide shaft 5043 and the guide sleeve 5041, it is ensured that the tool assembly moves only in the vertical direction, reducing lateral offset.

[0040] like Figures 4 to 5As shown, the pressure-measuring buffer unit 505 includes an adjusting screw 5051 and a side pressure plate 5054. The side pressure plate 5054 has an adjusting groove on the side near the lower blade assembly mounting bracket 502. A disc spring 5053 is installed in the adjusting groove. A sliding plate 5052 is slidably connected inside the adjusting groove. The adjusting screw 5051 enters the adjusting groove and abuts against the side of the sliding plate 5052. The adjusting screw 5051 is threadedly connected to the threaded hole 5023. During installation, by rotating the adjusting screw 5051, the sliding plate 5052 can be pushed to move in the adjusting groove, thereby compressing or releasing the disc spring 5053. This allows for flexible adjustment of the horizontal pressure of the side pressure plate 5054 on the lower bracket, adapting to different road surface hardness and smoothness. The disc spring 5053 has good elastic recovery ability, which can absorb the horizontal vibration and impact of the lower bracket, reduce the left and right sway of the blade assembly, avoid horizontal deviation of the blade assembly, ensure the accuracy of the engraving spacing, and protect the adjusting screw 5051 and the side pressure plate 5054, avoiding damage to the components caused by rigid contact.

[0041] The working principle of the technical solution provided by this utility model is as follows:

[0042] During operation, the engraving knife assembly 405 is first adjusted to a suitable position using the lifting device 3, and then the motor 402 is started. The motor 402 drives the engraving knife shaft 404 and the engraving knife assembly 405 to rotate through the transmission belt 403, thus pushing the carrier 1 to perform engraving work.

[0043] When the vehicle 1 operates on a bumpy road, the bumps or depressions on the road surface will generate vertical impact on the grading tool assembly 405. At this time, the lower tool assembly mounting bracket 502 will move up and down with the impact force, which will drive the piston rod of the hydraulic damper 5033 of the shock absorption unit 503 to extend and retract. The coil spring 5034 will undergo elastic deformation simultaneously. The coil spring 5034 absorbs most of the impact force through deformation, playing a preliminary buffering role. The hydraulic damper 5033 slows down the extension and retraction speed of the coil spring 5034 through the damping effect of the hydraulic oil in the cylinder, avoiding high-frequency spring bounce and playing a stable buffering role. The rubber buffer pad 5035 absorbs high-frequency micro-vibrations, playing a fine buffering role, effectively reducing the impact of road unevenness on the tool assembly and ensuring the accuracy of the grading depth.

[0044] The guide shaft 5043 slides up and down within the guide sleeve 5041 and the second through hole 5042, ensuring that the tool assembly moves only in the vertical direction, reducing lateral offset. During installation, the pressure measuring buffer unit 505 can be moved within the adjustment groove by rotating the adjusting screw 5051, thereby compressing or releasing the disc spring 5053 and flexibly adjusting the horizontal pressure of the side pressure plate 5054 on the lower support. When offset, it will squeeze the side pressure plate 5054. The movement of the side pressure plate 5054 will cause the disc spring 5053 inside the adjustment groove to deform. The disc spring 5053 has good elastic recovery ability and can absorb the horizontal vibration and impact of the lower support, reduce the left and right sway of the engraving tool assembly 405, further reduce lateral offset, and ensure the accuracy of the engraving spacing.

[0045] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details are described in detail in the following preferred embodiments; however, those skilled in the art will fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0046] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A concrete pavement texturing device for highway engineering, characterized in that, The device includes a carrier, a connector fixedly connected to the carrier, a pusher mounted on the connector, a grading knife set at the front of the carrier, a lifting device for adjusting the grading depth on the carrier, a driving device for driving the grading knife set to rotate on the carrier, and a shock-absorbing component at the front of the carrier. The shock absorption assembly consists of an upper fixed bracket and a lower tool assembly mounting bracket. A shock absorption unit and a guide limiting unit are provided between the upper fixed bracket and the lower tool assembly mounting bracket at a vertical distance. The shock absorption unit is used to maintain the accuracy of the engraving depth. A pressure-measuring buffer unit is provided between the upper fixed bracket and the lower tool assembly mounting bracket at a horizontal distance. The guide limiting unit and the pressure-measuring buffer unit are used to maintain the accuracy of the engraving spacing.

2. The concrete pavement texturing device for highway engineering according to claim 1, characterized in that, The drive device includes a mounting frame on which a motor is mounted. The motor is connected to the engraving cutter shaft via a transmission belt. Engraving cutter sets are installed at equal intervals on the engraving cutter shaft.

3. The concrete pavement texturing device for highway engineering according to claim 2, characterized in that, The upper fixed bracket is fixedly installed at the front of the vehicle.

4. The concrete pavement texturing device for highway engineering according to claim 3, characterized in that, The lower blade assembly mounting bracket has through holes and threaded holes on both sides. A ball bearing is installed in the through hole, and the engraving blade shaft is rotatably connected to the ball bearing.

5. The concrete pavement texturing device for highway engineering according to claim 4, characterized in that, The damping unit includes a hydraulic damper and a helical spring. The lower end of the hydraulic damper is threaded into a threaded connection hole. An anti-loosening nut is installed at the connection between the hydraulic damper and the threaded connection hole. The upper end of the hydraulic damper is welded to the lower end of the helical spring. The upper end of the helical spring is fixedly connected into a mounting hole. A rubber buffer pad is sleeved on the outside of the piston rod of the hydraulic damper.

6. The concrete pavement texturing device for highway engineering according to claim 5, characterized in that, The threaded connection hole is located on the upper surface of the lower blade assembly mounting bracket, and the mounting hole is located on the lower surface of the upper fixed bracket.

7. The concrete pavement texturing device for highway engineering according to claim 6, characterized in that, The guide limiting unit includes a guide shaft and a guide sleeve. The guide sleeve is fixedly connected to the upper surface of the lower blade assembly mounting bracket. The upper fixed bracket has a through hole two. The guide shaft can slide up and down within the guide sleeve and the through hole two. An upper limit block and a lower limit block are provided on the guide shaft.

8. The concrete pavement texturing device for highway engineering according to claim 7, characterized in that, The upper limit block is located above the second through hole, and the lower limit block is located between the guide sleeve and the second through hole.

9. The concrete pavement texturing device for highway engineering according to claim 8, characterized in that, The pressure measuring buffer unit includes an adjusting screw and a side pressure plate. The side pressure plate has an adjusting groove on the side near the lower blade assembly mounting bracket. A disc spring is installed in the adjusting groove, and a sliding plate is slidably connected inside the adjusting groove. The adjusting screw enters the adjusting groove and abuts against the side of the sliding plate.

10. The concrete pavement texturing device for highway engineering according to claim 9, characterized in that, The adjusting screw is threadedly connected to the threaded hole.

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