Safe and efficient road maintenance equipment and maintenance method thereof

Abstract

The invention discloses safe and efficient road maintenance equipment and a maintenance method.The maintenance equipment comprises a platform trailer, a safe gas storage tank and a safe water tank, the tail of the platform trailer is fixedly connected with a fixed groove plate, the upper portion of the fixed groove plate is connected with a lifting adjusting component, and the lower portion of the lifting adjusting component is connected with a horizontal fine adjustment component; the lower end of the horizontal fine adjustment component is fixedly connected with a connecting plate, a plurality of second connecting rings and a plurality of first connecting rings are arranged on the lower portion of the connecting plate in the front-back direction, the second connecting rings and the first connecting rings are fixedly connected with an air outlet pipe and a water outlet pipe respectively, and the air outlet pipe is provided with a plurality of fire-jet heads controlled by an adjusting valve. The water outlet pipe is provided with a plurality of water spraying heads which are the same as the fire-jet heads in number and located on the same advancing straight line so that the water spraying heads can cool the ground melted by the fire-jet heads. The road surface heating area can be controlled, meanwhile, potential safety hazards caused to workers are reduced, road maintenance traces are reduced, and the road maintenance quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of road maintenance, and in particular to a safe and efficient road maintenance device and a maintenance method thereof. Background Art

[0002] With the continuous improvement of social economy and people's economic level, many families have cars, and various engineering vehicles and transport vehicles are also increasing. More and more vehicles are driving on urban roads and highways. However, the increasing number of motor vehicles has brought certain pressure to the load and maintenance of roads. This is because the asphalt pavement on the road (commonly known as black brushing) has been rolled for a long time, and some roads have cracks and cracks. In some places, there are even small pits and depressions, which affect the normal driving of vehicles on the road. Therefore, the highway maintenance department often needs to maintain and repair the road in a timely manner.

[0003] In the process of road maintenance, for problems such as cracks on the road, asphalt repair is generally used, and the melted asphalt is directly spread on the cracks and wait for the asphalt to penetrate into the cracks; for problems such as small potholes and small depressions on the road, the road surface is generally heated, and then the asphalt mixture is filled into the damaged part of the road, and then the asphalt mixture in the potholes is compacted by a roller to complete the road maintenance work. However, some vehicle-mounted equipment for asphalt pavement maintenance currently available on the market uses traditional microwave and hot air heating methods to heat the road surface. Microwave radiation and dissipated hot air can easily cause safety hazards to workers, and the heating area is too large, which is not convenient for accurate heating of the damaged part of the road, and the maintenance quality is difficult to control; at the same time, because the re-paved asphalt mixture cannot form a good connection and fixation with the damaged road surface, the road maintenance marks are heavy, which leads to the re-paved asphalt mixture and the damaged road surface easily detaching under heavy pressure, and the road maintenance quality is poor. Summary of the invention

[0004] In order to solve the technical problems in the prior art that the prior art easily causes potential safety hazards to workers, is inconvenient to accurately heat the damaged parts of the road, has heavy road maintenance marks, and the re-paved asphalt mixture and the damaged road surface are easily separated under heavy pressure, resulting in poor road maintenance quality, the present invention provides the following technical solutions.

[0005] The present invention provides a safe and efficient road maintenance equipment, comprising a flatbed trailer and a safety gas storage tank provided with an extended air pipe and a safety water tank provided with an extended water pipe located on the upper part of the flatbed trailer, wherein a fixed slot plate is fixedly connected to the rear end of the flatbed trailer, a lifting and adjusting component is connected to the upper part of the fixed slot plate, a horizontal fine-adjusting component is connected to the lower part of the lifting and adjusting component, a connecting plate is fixedly connected to the lower end of the horizontal fine-adjusting component, a plurality of second connecting rings and a plurality of first connecting rings are respectively provided at the front and rear directions of the lower part of the connecting plate, an air outlet pipe connected to the extended air pipe and a water outlet pipe connected to the extended water pipe are respectively fixedly connected to the second connecting ring and the first connecting ring, the air outlet pipe is provided with a plurality of flame spray heads controlled by a regulating valve, and the water outlet pipe is provided with a plurality of water spray heads having the same number as the flame spray heads and being in the same forward straight line direction, so that the water spray heads can cool the ground melted by the flame spray heads.

[0006] As a further technical solution, the lifting and adjusting component includes a fixed bracket connected to the fixed slot plate and a lifting cylinder located on the top of the fixed bracket, and the output end of the lifting cylinder is downwardly connected to a lifting plate provided with a guide column.

[0007] As a further technical solution, the horizontal fine-tuning component includes a movable bracket provided with a T-shaped slider and a threaded hole slidably connected to the lifting adjustment component, and the threaded hole is threadedly connected to an adjustment screw provided with a handle rotatably connected to the fixed bracket.

[0008] As a further technical solution, the horizontal fine-tuning component is connected to a moving component, a plurality of smoothing components are fixedly connected to the lower part of the moving component, and the smoothing components are moved to or away from the bottom of the flame spray head under the drive of the moving component.

[0009] As a further technical solution, at least two extension plates are provided on one side of the horizontal fine-tuning component, one end of the extension plate is fixedly connected to a support plate, the moving component includes a driving cylinder fixedly connected to the support plate and a sliding plate slidably connected to the extension plate, the lower end of which is connected to a translation column, and the sliding plate is fixedly connected to a moving plate fixedly connected to the output end of the driving cylinder.

[0010] As a further technical solution, the smoothing component includes a vertical plate fixedly connected to the moving component and a shell provided with a cover plate fixedly connected to the vertical plate, a rotating motor is fixedly connected to the upper part of the cover plate, and an output end of the rotating motor is downwardly connected to a rotating shaft connected to a plurality of fan blades located inside the shell.

[0011] As a further technical solution, a curved end is provided on one side of the fan blade close to the inner wall of the shell.

[0012] As a further technical solution, the water outlet pipe and the air outlet pipe are connected to the extension water pipe and the extension air pipe respectively through a safety water pipe and a safety air pipe.

[0013] The present invention also includes a safe and efficient road maintenance method, comprising the following steps:

[0014] S1: Clean the damaged parts of the road;

[0015] S2: Melting treatment of damaged road surface;

[0016] S3: Spray water mist on the melted part of the road surface to perform spray cooling treatment on the road surface, and then use a road roller to compact the sprayed road surface.

[0017] As a further technical solution, in step S2, melting the damaged road surface portion refers to performing four steps in sequence: melting the damaged road surface portion, adding asphalt mixture to the damaged road surface portion, smoothing the asphalt mixture, and melting the asphalt mixture.

[0018] The beneficial effects of the present invention are as follows: the present invention uses a method of spraying fire to melt the damaged parts of the road surface and the asphalt mixture to repair the road. The air outlet pipe is connected to a number of evenly distributed flame heads, each of which can be used alone or in combination with multiple flame heads. The road surface heating area can be controlled while also reducing the potential safety hazards to workers. The flame head can be raised and lowered and fine-tuned horizontally, and can accurately heat and melt the damaged parts of the road surface, so that the damaged parts of the road surface and the re-added asphalt mixture are melted into one. The asphalt mixture after cooling and compaction becomes one with the road surface, and the road surface is relatively stable, reducing the maintenance marks of the road and improving the maintenance quality of the road. Spraying water mist on the viscous integrated road surface can instantly form a cooling film on its upper surface, which can prevent the roller of the roller from adhering to the viscous road surface and affecting the compaction effect of the road surface, further reducing the maintenance marks of the road and improving the maintenance quality of the road. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the safe and efficient road maintenance equipment of the present invention;

[0020] Figure 2 It is a schematic diagram of the connection of the lifting and adjusting components of the safe and efficient road maintenance equipment of the present invention;

[0021] Figure 3 It is a schematic diagram of the connection of the fixed trough plate of the safe and efficient road maintenance equipment of the present invention;

[0022] Figure 4 It is a schematic diagram of the connection of the horizontal fine adjustment components of the safe and efficient road maintenance equipment of the present invention;

[0023] Figure 5 It is a schematic diagram of the connection of the moving parts of the safe and efficient road maintenance equipment of the present invention;

[0024] Figure 6 It is a schematic diagram of the leveling components of the safe and efficient road maintenance equipment of the present invention;

[0025] Figure 7 is a schematic diagram of another viewing angle of the leveling component of the safe and efficient road maintenance equipment of the present invention;

[0026] In the figure: 1- flatbed trailer; 101- safety baffle; 2- fixed slot plate; 3- lifting and adjusting component; 301- fixed bracket; 302- lifting cylinder; 303- lifting plate; 304- guide rod; 4- horizontal fine-tuning component; 401- moving bracket; 402- T-type slider; 403- threaded hole; 404- adjusting screw; 405- handle; 406- extension plate; 407- support plate; 5- connecting plate; 501- first connecting ring; 502- second connecting ring; 6- water outlet pipe; 601- safety water pipe; 602- water spray Head; 7-air outlet pipe; 701-safety air pipe; 702-flame head; 703-regulating valve; 8-moving part; 801-driving cylinder; 802-sliding plate; 803-moving plate; 804-translational column; 9-leveling part; 901-vertical plate; 902-shell; 903-cover plate; 904-rotating motor; 905-rotating shaft; 906-fan blades; 907-arc end; 10-safety gas storage tank; 11-safety water tank; 12-asphalt barrel; 13-asphalt mixture box; 14-extension air pipe; 15-extension water pipe. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. It should be noted that the embodiments of the present invention and the features in the embodiments can be combined with each other without conflict.

[0028] In the description of the present invention, it should be understood that the terms "upper" and "lower" are based on the orientation or positional relationship 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0029] like Figure 1As shown, the present invention is a safe and efficient road maintenance equipment, including a flatbed trailer 1 and a safety gas tank 10 and a safety water tank 11 located on the upper part of the flatbed trailer 1. The safety gas tank is provided with an extension gas pipe 14 for increasing the gas source required for flame heating, and the safety water tank 11 is provided with an extension water pipe 15 for subsequent spray cooling treatment of the molten road surface. A safety baffle 101 is provided on the upper part of the flatbed trailer 1, and the safety baffle 101 is arranged between the safety gas tank 10 and the safety water tank 11 and the front of the flatbed trailer 1 to protect the safety of the driver in the front. An asphalt barrel 12 containing dry asphalt and an asphalt mixture box 13 containing dry asphalt mixture can also be placed on the upper part of the flatbed trailer 1 for easy use by maintenance personnel.

[0030] like Figure 1 and Figure 2 As shown, in a preferred embodiment, a fixed groove plate 2 is fixedly connected to the rear of the flatbed trailer 1. The fixed groove plate 12 is fixed to the rear of the flatbed trailer 1 by bolts or welding, and the fixed groove plate 2 is provided with a through groove as shown in the figure. A connecting plate 5 is provided below the fixed groove plate 2. The connecting plate 5 is composed of an I-shaped or flat steel plate. A plurality of second connecting rings 502 and a plurality of first connecting rings 501 are respectively provided in the front and rear directions of the lower part of the connecting plate 5. In this embodiment, there are two second connecting rings 502 and two first connecting rings 501. The front and rear directions shown in the figure refer to the front and rear extension direction of the road length, and the front refers to the forward direction of the flatbed trailer 1.

[0031] The second connection ring 502 and the first connection ring 501 are respectively fixedly connected with the air outlet pipe 7 and the water outlet pipe 6. The air outlet pipe 7 and the water outlet pipe 6 are both metal pipes and can be respectively welded to the second connection ring 502 and the first connection ring 501 or connected by a clamp. The water outlet pipe 6 and the air outlet pipe 7 are respectively connected to the extension water pipe 15 and the extension air pipe 14 through the safety water pipe 601 and the safety air pipe 701. The safety water pipe 601 and the safety air pipe 701 are both high temperature resistant metal pipes to prevent the dissipated heat from adversely affecting the extension water pipe 15 and the extension air pipe 14, thereby improving the safety of the maintenance process.

[0032] like Figure 4As shown, in a preferred embodiment, the air outlet pipe 7 is provided with a plurality of flame heads 702 controlled by a regulating valve 703 in parallel, and the flame heads 702 are used to melt the damaged road surface after cleaning, or melt the damaged road surface and the asphalt mixture together. Each regulating valve 703 controls a flame head 702, and the regulating valve 703 can be manually turned on or off by a worker, or can be controlled by an existing electromagnetic valve, which is not particularly limited by the present invention. The water outlet pipe 6 is provided with a plurality of water spray heads 602 of the same number as the flame heads 702 and in the same straight line direction, and the water spray heads 602 can also be manually turned on or off by a worker, or can be controlled by an existing electromagnetic valve, and the water spray heads 602 are used to spray and cool the damaged road surface after melting, or the damaged road surface and the asphalt mixture.

[0033] In this embodiment, the front-to-back distance between the air outlet pipe 7 and the water outlet pipe 6 is preferably 15 cm, and of course the present invention does not specifically limit the distance, and can be adjusted according to the flame spraying range of the flame spraying head 702 and the spraying range of the water spraying head 602. The distance between adjacent flame spraying heads 702 is also 15 cm, and the distance between adjacent water spraying heads 602 is the same as the distance between adjacent flame spraying heads 702, and of course the present invention does not specifically limit the distance.

[0034] A lifting and adjusting component 3 is connected to the upper part of the fixed groove plate 2, and a horizontal fine-adjusting component 4 is connected to the lower part of the lifting and adjusting component 3. The lower end of the horizontal fine-adjusting component 4 is fixedly connected to the connecting plate 5, thereby, the lifting and adjusting component 3 can drive the flame head 702 and the water spray head 602 to move up and down, so that the flame head 702 and the water spray head 602 are close to or away from the damaged part of the road surface and the asphalt mixture to be melted, and the horizontal fine-adjusting component 4 can drive the flame head 702 and the water spray head 602 to perform fine-adjustment in the horizontal direction, which refers to the horizontal direction of the road width, so that the flame head 702 and the water spray head 602 can melt the road surface more accurately or cool the melted road surface.

[0035] like Figure 2 and Figure 3 As shown, in a preferred embodiment, the lifting and adjusting component 3 includes a fixed bracket 301 connected to the fixed slot plate 2 and a lifting cylinder 302 located at the top of the fixed bracket 301. The output end of the lifting cylinder 302 is downwardly connected to a lifting plate 303 provided with a guide column 304. In the process of the lifting cylinder 302 driving the lifting plate 303 to move up and down, the guide column 304 slides up and down relative to the fixed bracket 301 to improve the lifting stability of the lifting plate 303. In this embodiment, the lifting cylinder 302 is used to drive the lifting plate 303. Of course, the lifting plate 303 can also be driven electrically or hydraulically, and the present invention does not specifically limit it.

[0036] In a preferred embodiment, the horizontal fine-adjustment component 4 includes a mobile bracket 401 slidably connected to the lifting and adjusting component 3. At this time, the mobile bracket 401 is slidably connected to the lower part of the lifting plate 303. A T-shaped slider 402 is provided on the upper part of the mobile bracket 401, and a slide groove matching the T-shaped slider 402 is provided on the lower part of the lifting plate 303, so that the mobile bracket 401 can slide horizontally relative to the lifting plate 303. A threaded hole 403 is provided on the upper part of the mobile bracket 401, and an adjusting screw 404 provided with a handle 405 that is rotatably connected to the fixed bracket 301 is threadedly connected to the threaded hole 403. When the handle 405 is turned, the adjusting screw 404 rotates to drive the mobile bracket 401 to move horizontally, thereby realizing horizontal fine-adjustment of the connecting plate 5 and the flame spray head 702 and the water spray head 602 below it.

[0037] like Figure 4 and Figure 5 As shown, in a preferred embodiment, the horizontal fine-tuning component 4 is connected to a moving component 8, and a plurality of smoothing components 9 are fixedly connected to the lower part of the moving component 8. The smoothing components 9 can be raised and lowered and moved horizontally synchronously with the flame head 702. The upper end of the smoothing component 9 is always lower than the lower end of the flame head 702 in the vertical direction. The smoothing component 9 is driven by the moving component 8 to move to or away from the lower part of the flame head 702. When small potholes need to be added with asphalt mixture, the asphalt mixture is manually added to the damaged part of the road surface after melting. After that, the moving component 8 drives the smoothing component 9 to move to the lower part of the flame head 702, that is, the upper part of the melted damaged part of the road surface. The smoothing component 9 smoothes the asphalt mixture. After that, the moving component 8 drives the smoothing component 9 away from the lower part of the flame head 702. The flame head 702 melts the smoothed asphalt mixture to make it integrated with the melted damaged part of the road surface.

[0038] In a preferred embodiment, two extension plates 406 are provided on one side of the horizontal fine-tuning component 4, and one end of the extension plate 406 is fixedly connected to a support plate 407. The moving component 8 includes a driving cylinder 801 fixedly connected to the support plate 407 and a sliding plate 802 slidably connected to the extension plate 406. The upper part of the sliding plate 802 is provided with a slide groove, which can slide horizontally relative to the extension plate 406. The sliding plate 802 is fixedly connected to a moving plate 803 fixedly connected to the output end of the driving cylinder 801, so that the driving cylinder 801 can drive the sliding plate 802 to move horizontally. The lower end of the sliding plate 802 is fixedly connected to a translation column 804, and the lower part of the translation column 804 is fixed with a plurality of smoothing components 9 of the same number as the flame spray head 702, and the smoothing components 9 and the flame spray head 702 are in the same forward straight direction.

[0039] like Figure 6 and Figure 7As shown, in a preferred embodiment, the smoothing component 9 includes a vertical plate 901 fixedly connected to the translation column 804 and a shell 902 fixedly connected to the vertical plate 901. A cover plate 903 is fixedly provided on one side of the upper end of the shell 902. The cover plate 903 is a semicircular plate. The shell 902 is a hollow cylindrical structure. The upper part of the shell 902 not covered by the cover plate 903 is used to add asphalt mixture into the inner cavity of the shell 902. After the shell 902 is lowered with the flame head 702, the lower end of the shell 902 abuts against the ground or leaves a distance of 1-2mm, so that the asphalt mixture is confined in the shell 902. A rotating motor 904 is fixedly connected to the upper part of the cover plate 903. The output end of the rotating motor 904 is downwardly connected to a rotating shaft 905 connected to a plurality of fan blades 906 located inside the shell 902.

[0040] Thus, after the asphalt mixture is added into the shell 902 and falls into the melted damaged part of the road surface, the rotating motor 904 drives the fan blades 906 to evenly smooth the asphalt mixture in the inner cavity of the shell 902, so that it is smoothed on the upper part of the damaged part of the road surface, and then the moving part 8 drives the smoothing part 9 away from the bottom of the flame head 702, and the flame head 702 melts the smoothed asphalt mixture so that it merges with the melted damaged part of the road surface. The fan blade 906 is provided with an arc end 907 on one side close to the inner wall of the shell 902, and the arc end 907 has a certain curvature, which can drive the asphalt mixture to move toward the middle of the shell 902, thereby improving the smoothing effect of the asphalt mixture. The smoothed asphalt mixture and the damaged part of the road surface are heated, melted and merged together, and then cooled by the water spray head 602, and compacted by the roller.

[0041] The present invention also includes a safe and efficient road maintenance method, comprising the following steps:

[0042] S1: Clean the damaged parts of the road;

[0043] In this step, the damaged part of the road surface can be cleaned manually or by an existing sweeper. For a road surface without obvious damage, only dust removal is required; for a road surface with obvious damage, the damaged part of the road surface is knocked loose, and then a high-power vacuum cleaner is used to absorb and clean the granular and powdery materials in and around the damaged part of the road surface.

[0044] S2: Melting treatment of damaged road surface;

[0045] In this step, if the damaged part of the road surface is only a problem with cracks and fissures without obvious damage, it is only necessary to heat and melt the damaged parts of the road surface; if the damaged part of the road surface is a problem with obvious damage such as small potholes, it is necessary to fill it with asphalt mixture, fill the dry material of the asphalt mixture into the damaged part of the road surface and melt it, so that the added asphalt mixture can be integrated with the damaged part of the road surface, thereby increasing the stability of the road after repair.

[0046] At this time, the damaged part of the road surface that has been cleaned should first be melted into a viscous state, and then the dry material of the asphalt mixture should be added to the damaged part of the road surface, and then the dry material of the asphalt mixture should be smoothed so that it is 2-5mm higher than the road surface. Finally, the asphalt mixture and the damaged part of the road surface should be melted into a viscous state to make the two integrated. After cooling and compacting, the repaired road surface is more solid and stable, which improves the maintenance quality of the road.

[0047] S3: Spray water mist on the melted part of the road surface to perform spray cooling treatment on the road surface. Spraying water mist on the viscous and integrated road surface can instantly form a cooling film on its upper surface, which can prevent the roller of the roller from adhering to the viscous road surface and affecting the compaction effect of the road surface. After that, the road surface after spraying can be compacted with a roller, which can restore the road surface to its original state with almost no trace of maintenance.

[0048] The preferred specific implementation modes and embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above implementation modes and embodiments. Various changes or equivalent substitutions can be made within the knowledge scope of those skilled in the art without departing from the concept of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments that fall within the scope of the claims of this application belong to the scope of protection of the present invention.

Claims

1. A safe and efficient road maintenance equipment, comprising a flatbed trailer (1) and a safety gas storage tank (10) provided with an extended gas pipe (14) and a safety water tank (11) provided with an extended water pipe (15) located on the upper part of the flatbed trailer (1), characterized in that: The rear end of the flatbed trailer (1) is fixedly connected to a fixed groove plate (2), the upper part of the fixed groove plate (2) is connected to a lifting and lowering adjustment component (3), the lower part of the lifting and lowering adjustment component (3) is connected to a horizontal fine-adjustment component (4), the lower end of the horizontal fine-adjustment component (4) is fixedly connected to a connecting plate (5), and the lower part of the connecting plate (5) is provided with a plurality of second connecting rings (502) and a plurality of first connecting rings (501) in the front-rear direction, respectively, and the second connecting rings (502) and the first connecting rings (501) are connected to each other. 1) an air outlet pipe (7) connected to the extended air pipe (14) and a water outlet pipe (6) connected to the extended water pipe (15) are respectively fixedly connected, the air outlet pipe (7) is provided with a plurality of flame spray heads (702) controlled by a regulating valve (703), and the water outlet pipe (6) is provided with a plurality of water spray heads (602) the same in number as the flame spray heads (702) and in the same forward straight direction, so that the water spray heads (602) can cool the ground melted by the flame spray heads (702).

2. The safe and efficient road maintenance equipment according to claim 1, characterized in that: The lifting and adjusting component (3) comprises a fixed bracket (301) connected to the fixed slot plate (2) and a lifting cylinder (302) located on the top of the fixed bracket (301), and the output end of the lifting cylinder (302) is downwardly connected to a lifting plate (303) provided with a guide column (304).

3. The safe and efficient road maintenance equipment according to claim 1, characterized in that: The horizontal fine-adjustment component (4) comprises a movable bracket (401) provided with a T-shaped slider (402) and a threaded hole (403) which is slidably connected to the lifting adjustment component (3); the threaded hole (403) is threadedly connected to an adjustment screw (404) provided with a handle (405) which is rotatably connected to the fixed bracket (301).

4. The safe and efficient road maintenance equipment according to claim 1, characterized in that: The horizontal fine-tuning component (4) is connected to a moving component (8), and a plurality of smoothing components (9) are fixedly connected to the lower part of the moving component (8). The smoothing components (9) are driven by the moving component (8) to move to or away from the lower part of the flame spray head (702).

5. The safe and efficient road maintenance equipment according to claim 4, characterized in that: At least two extension plates (406) are provided on one side of the horizontal fine-tuning component (4), one end of the extension plate (406) is fixedly connected to a support plate (407), and the moving component (8) comprises a driving cylinder (801) fixedly connected to the support plate (407) and a sliding plate (802) slidably connected to the extension plate (406) and having a translation column (804) connected to its lower end, and the sliding plate (802) is fixedly connected to a moving plate (803) fixedly connected to an output end of the driving cylinder (801).

6. The safe and efficient road maintenance equipment according to claim 4, characterized in that: The smoothing component (9) comprises a vertical plate (901) fixedly connected to the moving component (8) and a housing (902) fixedly connected to the vertical plate (901) and provided with a cover plate (903); a rotating motor (904) is fixedly connected to the upper portion of the cover plate (903); an output end of the rotating motor (904) is downwardly connected to a rotating shaft (905) located inside the housing (902) and connected to a plurality of fan blades (906).

7. The safe and efficient road maintenance equipment according to claim 6, characterized in that: The fan blade (906) is provided with an arc-shaped end (907) on one side close to the inner wall of the shell (902).

8. The safe and efficient road maintenance equipment according to claim 4, characterized in that: The water outlet pipe (6) and the air outlet pipe (7) are connected to the extension water pipe (15) and the extension air pipe (14) respectively through a safety water pipe (601) and a safety air pipe (701).

9. A safe and efficient road maintenance method, characterized in that: The steps include: S1: Clean the damaged parts of the road; S2: Melting treatment of damaged road surface; S3: Spray water mist on the melted part of the road surface to perform spray cooling treatment on the road surface, and then use a roller to compact the sprayed road surface.

10. The safe and efficient road maintenance method according to claim 9, characterized in that: In step S2, melting the damaged road surface portion refers to sequentially performing the following four steps: melting the damaged road surface portion, adding asphalt mixture to the damaged road surface portion, smoothing the asphalt mixture, and melting the asphalt mixture.

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