A crack repair and planing device for highway maintenance

Abstract

The utility model discloses a kind of crack repair flattening devices for highway maintenance belongs to crack repair flattening device technical field. Including tank car and temperature rising agitator, the top of the tank car is installed with temperature rising agitator, the top of the tank car of temperature rising agitator side is installed with transverse screw rod moving assembly, the top of the transverse screw rod moving assembly is installed with rotating frame, the top of the rotating frame is installed with support seat, the top of the support seat is movably installed with adjusting arm, driving arm is movably installed on the outer wall of the adjusting arm. The utility model not only realizes that crack repair flattening device is conveniently repaired to highway crack, facilitates the multistage adjustment of highway crack repair position conveniently, improves the flexibility of highway crack repair, and facilitates reciprocating flattening to highway crack, improves the effect of highway crack asphalt flattening.

Description

Technical Field

[0001] This utility model relates to the technical field of crack repair and flattening devices, specifically a crack repair and flattening device for highway maintenance. Background Technology

[0002] Highway maintenance is the upkeep and protection of highways. Upkeep is the entire process of maintenance from the time a road is built and opened to traffic, while protection involves repairing damaged parts. As traffic volume increases, highways are subjected to wear and impact from wheels, erosion and weathering from natural forces such as rainstorms, floods, wind and sand, snow, sun, and melting ice, as well as human damage and defects left over from construction. As a result, the quality of highways gradually decreases, leading to cracks. Cracks must be repaired in a timely manner. Crack repair generally involves placing repair material at the crack and then using a flattening device to press the filler into the crack.

[0003] As disclosed in the authorization announcement number CN216006553U, a crack repair and flattening device for highway maintenance includes a base, a flattening mechanism, and a limiting plate. The limiting plate is fixedly connected to the side of the base, and the flattening mechanism is movably connected to the side of the limiting plate. The flattening mechanism is specifically composed of a slider, a support shaft, a vertical guide rail, and a flattening roller. The vertical guide rail is installed on the side wall of the limiting plate, and the slider is slidably connected inside the vertical guide rail. The support shaft is movably connected to the side of the slider, and the flattening roller is fixedly connected to the side of the support shaft.

[0004] Although it achieves the effect of melting the repair material by installing a heating box on the top of the base to ensure the repair effect on the road, and the vertical guide rail installed on the side of the base to control the movement of the flattening roller to facilitate the flattening operation of the road after repair, and the through hole controller to control the output of repair material and the movement of the flattening roller, it is more convenient and faster.

[0005] However, the existing crack repair and flattening devices of this type are not conducive to convenient repair of road cracks, do not facilitate multi-level adjustment of the repair position, affect the flexibility of road crack repair, and are not convenient for reciprocating flattening of road cracks, thus affecting the effect and efficiency of asphalt flattening of road cracks. Utility Model Content

[0006] The purpose of this utility model is to provide a crack repair and flattening device for highway maintenance, so as to solve the problems mentioned in the background art that the crack repair and flattening device is not convenient for repairing highway cracks, not convenient for multi-level adjustment of the repair position of highway cracks, which affects the flexibility of repairing highway cracks, and not convenient for reciprocating flattening of highway cracks, which affects the effect and efficiency of asphalt flattening of highway cracks.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0008] A crack repair and flattening device for highway maintenance includes a tank and a heated mixing tank. The heated mixing tank is mounted on the top of the tank. A transverse screw moving assembly is mounted on the top of the tank on one side of the heated mixing tank. A rotating frame is mounted on the top of the transverse screw moving assembly. A support base is mounted on the top of the rotating frame. An adjusting arm is movably mounted on the top of the support base. A drive arm is movably mounted on the outer wall of the adjusting arm. An adjusting frame is movably mounted on the bottom end of the drive arm. A spray gun is installed inside the adjusting frame and extends to the outside of the adjusting frame. A water pump is mounted on the top of the tank on one side of the transverse screw moving assembly. An inlet pipe is mounted on the outer wall of the water pump, with one end extending into the interior of the water pump and the other end extending into the interior of the heated mixing tank. An outlet pipe is mounted on the outer wall of the water pump on the side away from the inlet pipe, with one end extending into the interior of the spray gun and the other end extending into the interior of the water pump.

[0009] Optionally, a longitudinal lead screw moving assembly is installed on the outer wall of the tank, and a compaction frame is slidably installed on the outer wall of the longitudinal lead screw moving assembly. A tilting shaft is installed on the outer wall of the support seat near the adjusting arm, and the support seat is movably connected to the adjusting arm through the tilting shaft. A first cylinder is movably installed on the outer wall of the support seat on the side of the adjusting arm. A drive shaft is installed at the output end of the first cylinder and is connected to the adjusting arm. A second cylinder is movably installed at the top of the adjusting arm. A transmission shaft is installed at the output end of the second cylinder and is connected to the drive arm.

[0010] Optionally, an adjusting shaft is installed on the outer wall of the drive arm near the adjusting arm, and the drive arm is movably connected to the adjusting arm via the adjusting shaft. A hinge shaft is installed on the outer wall of the drive arm near the adjusting frame, and the drive arm is movably connected to the adjusting frame via the hinge shaft. A third cylinder is movably installed on the outer wall of the drive arm on the side of the hinge shaft.

[0011] Optionally, a connecting shaft is installed at the output end of the third cylinder, and a curved arm is fitted onto the surface of the connecting shaft.

[0012] Optionally, a support shaft is installed on the outer wall of the curved arm near the drive arm, and the curved arm is movably connected to the drive arm via the support shaft.

[0013] Optionally, a limiting shaft is installed on the outer wall of the curved arm near the adjusting frame, and the curved arm is connected to the adjusting frame through the limiting shaft.

[0014] Optionally, a servo motor is installed at the top of the compaction frame, and a pulley assembly is provided at the output end of the servo motor.

[0015] Optionally, a rotating shaft is movably mounted on the outer wall of the compaction frame on one side of the pulley assembly, and the pulley assembly extends to the surface of the rotating shaft, with an eccentric wheel fitted onto the surface of the rotating shaft on one side of the pulley assembly.

[0016] Optionally, a connecting sleeve is fitted on the surface of the eccentric wheel, and a compaction block is movably installed at the bottom end of the connecting sleeve. A power shaft is installed on the outer wall of the compaction block near the connecting sleeve, and the connecting sleeve is movably connected to the compaction block via the power shaft.

[0017] Optionally, limiting rails are symmetrically installed on the outer wall of the compaction frame on one side of the compaction block, and the limiting rails are slidably connected to the compaction block.

[0018] Compared with the prior art, the beneficial effects of this utility model are: this crack repair and flattening device not only enables convenient repair of road cracks and facilitates multi-level adjustment of the repair position, improving the flexibility of road crack repair, but also facilitates reciprocating flattening of road cracks, improving the flattening effect of asphalt at road cracks.

[0019] The asphalt for crack repair is poured into the heated mixing tank. A water pump then pumps the asphalt from the tank through the inlet pipe to the spray gun through the outlet pipe. The spray gun is then turned on to repair the road crack. The first cylinder drives the adjusting arm via the drive shaft to rotate around the tilting shaft. The adjusting arm moves the drive arm, spray gun, and adjusting frame to the appropriate position. The second cylinder drives the drive arm via the transmission shaft to rotate around the adjusting shaft. The drive arm moves the adjusting frame and spray gun for easy position adjustment. The third cylinder drives the bending arm via the connecting shaft to rotate around the support shaft. The bending arm drives the adjusting frame via the limit shaft to rotate around the hinge shaft. The adjusting frame moves the spray gun for easy movement. This allows for convenient multi-level adjustment of the spray gun's crack repair position, enabling convenient repair of road cracks using the crack repair and flattening device. It also facilitates convenient multi-level adjustment of the repair position, improving the flexibility of road crack repair.

[0020] The longitudinal screw moving assembly is activated to facilitate the movement of the compaction frame, servo motor, connecting sleeve, eccentric wheel, compaction block, and limit rail above the repaired road crack. The servo motor drives the pulley assembly to rotate, which in turn drives the rotating shaft. The compaction frame provides movable support for the rotating shaft, which in turn drives the eccentric wheel to rotate. The eccentric wheel then drives the connecting sleeve to reciprocate, which in turn drives the compaction block to reciprocate via the power shaft. This allows the compaction block to easily and reciprocally flatten the repaired road crack. This crack repair and flattening device effectively flattens the repaired road crack, improving the asphalt flattening effect and enhancing the surface quality, thus extending the road's service life. Attached Figure Description

[0021] 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.

[0022] Figure 1 This is a front view structural diagram of the present utility model;

[0023] Figure 2 This is a three-dimensional structural diagram of the present invention;

[0024] Figure 3 This is a three-dimensional structural diagram of the drive arm of this utility model;

[0025] Figure 4 This is a three-dimensional structural diagram of the transverse lead screw moving assembly of this utility model.

[0026] Figure 5 This is a three-dimensional structural diagram of the compaction frame of this utility model;

[0027] Figure 6 This is a three-dimensional structural diagram of the compacted block of this utility model;

[0028] Figure 7 This is a three-dimensional structural diagram of the adjustment frame of this utility model.

[0029] Figure label:

[0030] 1. Tank vehicle; 2. Heating mixing tank; 3. Lateral screw moving assembly; 4. Rotating frame; 5. Support base; 6. Adjusting arm; 7. Drive arm; 8. Adjusting frame; 9. Spray gun; 10. Feed pipe; 11. Water pump; 12. Discharge pipe; 13. Longitudinal screw moving assembly; 14. Compaction frame; 15. Tilting shaft; 16. First cylinder; 17. Drive shaft; 18. Second cylinder; 19. Adjusting shaft; 20. Transmission shaft; 21. Third cylinder; 22. Connecting shaft; 23. Bending arm; 24. Support shaft; 25. Hinge shaft; 26. Limiting shaft; 27. Servo motor; 28. Pulley assembly; 29. ​​Rotating shaft; 30. Connecting sleeve; 31. Eccentric wheel; 32. Power shaft; 33. Compacting block; 34. Limiting rail.

[0031] 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

[0032] The following is a detailed description of a crack repair and flattening device for highway maintenance provided by this utility model, 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; those skilled in the art can also use other alternative methods to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0033] 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.

[0034] 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.

[0035] It is understood that the meanings of “on”, “above”, and “above” in this utility model should be interpreted in the broadest manner, such that “on” not only means “directly on” something, but also includes the meaning of being “on” something with an intervening feature or layer, and that “above” or “above” not only means “on” something, but also includes the meaning of being “on” something without an intervening feature or layer.

[0036] 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.

[0037] like Figures 1 to 7As shown, an embodiment of this utility model provides a crack repair and flattening device for highway maintenance, including a tank vehicle 1 and a heated mixing tank 2. The heated mixing tank 2 is mounted on the top of the tank vehicle 1. A transverse screw moving assembly 3 is mounted on the top of the tank vehicle 1 on one side of the heated mixing tank 2. A rotating frame 4 is mounted on the top of the transverse screw moving assembly 3. A support base 5 is mounted on the top of the rotating frame 4. An adjusting arm 6 is movably mounted on the top of the support base 5. A drive arm 7 is movably mounted on the outer wall of the adjusting arm 6. An adjusting frame 8 is movably mounted on the bottom end of the drive arm 7. A spray gun 9 is installed inside the adjusting frame 8 and extends to the adjusting frame. Externally, a water pump 11 is mounted on the top of the tank 1 on one side of the transverse screw moving assembly 3. A feed pipe 10 is mounted on the outer wall of the water pump 11, with one end of the feed pipe 10 extending into the interior of the water pump 11 and the other end extending into the interior of the heating mixing tank 2. A discharge pipe 12 is mounted on the outer wall of the water pump 11 on the side away from the feed pipe 10, with one end of the discharge pipe 12 extending into the interior of the spray gun 9 and the other end extending into the interior of the water pump 11. A longitudinal screw moving assembly 13 is mounted on the outer wall of the tank 1, and a compaction frame 14 is slidably mounted on the outer wall of the longitudinal screw moving assembly 13. A tilting shaft 15 is installed on the outer wall of the support base 5 near the adjusting arm 6, and the support base 5 is movably connected to the adjusting arm 6 via the tilting shaft 15. A first cylinder 16 is movably installed on the outer wall of the support base 5 on one side of the adjusting arm 6. A drive shaft 17 is installed at the output end of the first cylinder 16 and is connected to the adjusting arm 6. A second cylinder 18 is movably installed at the top of the adjusting arm 6. A transmission shaft 20 is installed at the output end of the second cylinder 18 and is connected to the driving arm 7. An adjusting shaft 19 is installed on the outer wall of the driving arm 7 near the adjusting arm 6, and the driving arm 7 is movably connected to the adjusting arm 6 via the adjusting shaft 19. The drive arm 7 is connected to the adjustment frame 8 via a hinge shaft 25 on its outer wall near the adjustment frame 8. A third cylinder 21 is movably mounted on the outer wall of the drive arm 7 on the side of the hinge shaft 25. A connecting shaft 22 is mounted on the output end of the third cylinder 21. A bent arm 23 is fitted onto the surface of the connecting shaft 22. A support shaft 24 is mounted on the outer wall of the bent arm 23 near the drive arm 7. The bent arm 23 is movably connected to the drive arm 7 via the support shaft 24. A limit shaft 26 is mounted on the outer wall of the bent arm 23 near the adjustment frame 8. The bent arm 23 is connected to the adjustment frame 8 via the limit shaft 26.

[0038] Open the tank vehicle 1 and move it to the side of the road where the crack needs repair. Pour the asphalt for crack repair into the heated mixing tank 2. Turn on the water pump 11. With the support of the tank vehicle 1, the water pump 11 transports the asphalt inside the heated mixing tank 2 through the feed pipe 10 and the discharge pipe 12 to the spray gun 9. Turn on the spray gun 9 to repair the road crack. When it is necessary to adjust the position of the spray gun 9, open the first cylinder 16. With the movable support of the support base 5, the first cylinder 16 drives the adjusting arm 6 to rotate around the tilting shaft 15 via the drive shaft 17. The adjusting arm 6 drives the drive arm 7, the spray gun 9, and the adjusting frame 8 to move to the appropriate position. Open the second cylinder 18. When the second cylinder 18 is engaged, it drives the drive arm 7 to rotate around the adjusting shaft 19 via the drive shaft 20. The drive arm 7 then allows for convenient position adjustment of the adjusting frame 8 and the spray gun 9. When the third cylinder 21 is engaged, it drives the bent arm 23 to rotate around the support shaft 24 via the connecting shaft 22 under the support of the drive arm 7. The bent arm 23 then drives the adjusting frame 8 to rotate around the hinge shaft 25 via the limiting shaft 26. The adjusting frame 8 then allows for convenient movement of the spray gun 9, facilitating convenient multi-level adjustment of the crack repair position. This enables convenient repair of road cracks using the crack repair and flattening device, improving the flexibility of road crack repair.

[0039] A servo motor 27 is installed at the top of the compaction frame 14. A pulley assembly 28 is provided at the output end of the servo motor 27. A rotating shaft 29 is movably installed on the outer wall of the compaction frame 14 on one side of the pulley assembly 28, and the pulley assembly 28 extends to the surface of the rotating shaft 29. An eccentric wheel 31 is fitted on the surface of the rotating shaft 29 on one side of the pulley assembly 28. A connecting sleeve 30 is fitted on the surface of the eccentric wheel 31. A compaction block 33 is movably installed at the bottom end of the connecting sleeve 30. A power shaft 32 is installed on the outer wall of the compaction block 33 near the connecting sleeve 30, and the connecting sleeve 30 is movably connected to the compaction block 33 through the power shaft 32. Limiting rails 34 are symmetrically installed on the outer wall of the compaction frame 14 on one side of the compaction block 33, and the limiting rails 34 are slidably connected to the compaction block 33.

[0040] When it is necessary to flatten the repaired road crack, the longitudinal screw moving assembly 13 is opened to facilitate the movement of the compaction frame 14, servo motor 27, connecting sleeve 30, eccentric wheel 31, compaction block 33, and limit rail 34 above the repaired road crack. The servo motor 27 is then activated. Supported by the compaction frame 14, the servo motor 27 drives the pulley assembly 28 to rotate, which in turn drives the rotating shaft 29. The compaction frame 14 provides movable support for the rotating shaft 29, which in turn drives the eccentric wheel 31 to rotate. The spindle 31 drives the connecting sleeve 30 to reciprocate, and the connecting sleeve 30 drives the compaction block 33 to reciprocate via the power shaft 32. Under the support of the limiting rail 34 by the compaction frame 14, the limiting rail 34 provides sliding support for the compaction block 33, so that the compaction block 33 can easily reciprocate to flatten the repaired road crack. This realizes the flattening of the repaired road crack by the crack repair flattening device, which facilitates the reciprocating flattening of the road crack, improves the flattening effect of asphalt at the road crack, improves the quality of the ground, and extends the service life of the road.

[0041] The working principle of the technical solution provided by this utility model is as follows: The asphalt for crack repair is poured into the heated mixing tank 2. The water pump 11, through the feed pipe 10, transports the asphalt inside the heated mixing tank 2 to the spray gun 9 through the discharge pipe 12. The spray gun 9 is then opened to repair the road crack. The first cylinder 16, via the drive shaft 17, drives the adjusting arm 6 to rotate around the tilting shaft 15. The adjusting arm 6 moves the drive arm 7, spray gun 9, and adjusting frame 8 to a suitable position. The second cylinder 18, via the transmission shaft 20, drives the drive arm 7 to rotate around the adjusting shaft 19. The drive arm 7 facilitates the position adjustment of the adjusting frame 8 and spray gun 9. The third cylinder 21, via the connecting shaft 22, drives the bent arm 23 to rotate around the support shaft 24. The bent arm 23, via the limiting shaft 26, drives the adjusting frame 8 to rotate around the hinge shaft 25. The adjusting frame 8... The movable spray gun 9 allows for convenient multi-level adjustment of the crack repair position. The longitudinal screw moving assembly 13 is activated, enabling it to move the compaction frame 14, servo motor 27, connecting sleeve 30, eccentric wheel 31, compaction block 33, and limit rail 34 to above the repaired road crack. The servo motor 27 drives the pulley assembly 28 to rotate, which in turn drives the rotating shaft 29. The compaction frame 14 provides movable support for the rotating shaft 29, which in turn drives the eccentric wheel 31 to rotate. The eccentric wheel 31 then drives the connecting sleeve 30 to reciprocate. The connecting sleeve 30, via the power shaft 32, drives the compaction block 33 to reciprocate, facilitating the compaction block 33's convenient reciprocating flattening of the repaired road crack, thus completing the operation of the crack repair flattening device.

[0042] 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.

[0043] 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 crack repair and flattening device for highway maintenance, characterized in that: The system includes a tank and a heating and mixing tank. The heating and mixing tank is mounted on the top of the tank. A transverse screw moving assembly is mounted on the top of the tank on one side of the heating and mixing tank. A rotating frame is mounted on the top of the transverse screw moving assembly. A support base is mounted on the top of the rotating frame. An adjusting arm is movably mounted on the top of the support base. A drive arm is movably mounted on the outer wall of the adjusting arm. An adjusting frame is movably mounted on the bottom end of the drive arm. A spray gun is installed inside the adjusting frame and extends to the outside of the adjusting frame. A water pump is mounted on the top of the tank on one side of the transverse screw moving assembly. A feed pipe is mounted on the outer wall of the water pump, with one end extending into the interior of the water pump and the other end extending into the interior of the heating and mixing tank. A discharge pipe is mounted on the outer wall of the water pump on the side away from the feed pipe, with one end extending into the interior of the spray gun and the other end extending into the interior of the water pump.

2. The crack repair and flattening device for highway maintenance according to claim 1, characterized in that: A longitudinal lead screw moving assembly is installed on the outer wall of the tank. A compaction frame is slidably installed on the outer wall of the longitudinal lead screw moving assembly. A tilting shaft is installed on the outer wall of the support seat near the adjusting arm, and the support seat is movably connected to the adjusting arm through the tilting shaft. A first cylinder is movably installed on the outer wall of the support seat on the side of the adjusting arm. A drive shaft is installed at the output end of the first cylinder and is connected to the adjusting arm. A second cylinder is movably installed at the top of the adjusting arm. A transmission shaft is installed at the output end of the second cylinder and is connected to the drive arm.

3. The crack repair and flattening device for highway maintenance according to claim 2, characterized in that: An adjusting shaft is installed on the outer wall of the drive arm near the adjusting arm, and the drive arm is movably connected to the adjusting arm via the adjusting shaft. A hinge shaft is installed on the outer wall of the drive arm near the adjusting frame, and the drive arm is movably connected to the adjusting frame via the hinge shaft. A third cylinder is movably installed on the outer wall of the drive arm on the side of the hinge shaft.

4. The crack repair and flattening device for highway maintenance according to claim 3, characterized in that: The output end of the third cylinder is equipped with a connecting shaft, and a curved arm is fitted onto the surface of the connecting shaft.

5. The crack repair and flattening device for highway maintenance according to claim 4, characterized in that: A support shaft is installed on the outer wall of the curved arm near the drive arm, and the curved arm is movably connected to the drive arm through the support shaft.

6. The crack repair and flattening device for highway maintenance according to claim 5, characterized in that: A limiting shaft is installed on the outer wall of the curved arm near the adjusting frame, and the curved arm is connected to the adjusting frame through the limiting shaft.

7. The crack repair and flattening device for highway maintenance according to claim 6, characterized in that: A servo motor is installed at the top of the compaction frame, and a pulley assembly is provided at the output end of the servo motor.

8. The crack repair and flattening device for highway maintenance according to claim 7, characterized in that: A rotating shaft is movably mounted on the outer wall of the compaction frame on one side of the pulley assembly, and the pulley assembly extends to the surface of the rotating shaft. An eccentric wheel is fitted onto the surface of the rotating shaft on one side of the pulley assembly.

9. The crack repair and flattening device for highway maintenance according to claim 8, characterized in that: The surface of the eccentric wheel is fitted with a connecting sleeve, and a compaction block is movably installed at the bottom end of the connecting sleeve. A power shaft is installed on the outer wall of the compaction block near the connecting sleeve, and the connecting sleeve is movably connected to the compaction block via the power shaft.

10. The crack repair and flattening device for highway maintenance according to claim 9, characterized in that: Limiting rails are symmetrically installed on the outer wall of the compaction frame on one side of the compaction block, and the limiting rails are slidably connected to the compaction block.

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