CN108505421A - Highway subgrade road surface pretreatment unit and processing method - Google Patents

Abstract

The invention discloses a roadbed road surface pretreatment device and a processing method, comprising: a frame, the front end of which is provided with a cab; two sides are provided with rollers; a tidal flat device, which is arranged behind the cab; the tidal flat device is the bottom surface There is a discharge port, and the shoal paint filled in the chamber flows out from the discharge port; a cleaning brush is provided in front of the discharge port; a shoal board is provided behind the discharge port; a spreading device is provided at the end; The cloth device includes a support connected to the rectangular parallelepiped frame, a reel arranged on the support and a geotextile wound on the reel; a seam filling drainage device, which is arranged on one side of the rectangular parallelepiped frame and located at the tail end of the rectangular parallelepiped frame; The sewing device includes a material guide pipe, a wiper board and a drain pipe. It pre-treats the subgrade and road surface before construction, improves the bonding tightness between the cushion, subgrade and surface layer during road construction, and enhances the drainage performance of the road, thereby effectively improving the quality of the road and prolonging the service life.

Description

Highway subgrade pavement pretreatment device and treatment method

technical field

The invention relates to the technical field of road construction, in particular to a roadbed pavement pretreatment device and a treatment method.

Background technique

With the progress of the society and the rapid development of the economy, my country's traffic, especially the construction of expressways, has achieved remarkable results. However, at present, many roads have been damaged to varying degrees due to problems such as irrationality and irregular construction, which have caused a lot of inconvenience to the development of road traffic and people's travel, and although the damaged roads can be repaired Continue to use, but it will consume a lot of manpower and financial resources, and will have short-term or long-term impact on traffic. Therefore, the most reasonable way is to control the quality of the road at the source, that is, the quality of the road can be guaranteed or enhanced during the construction stage, and the life of the road can be extended. This will greatly save the cost of road maintenance and improve people's The convenience of travel. Therefore, it is particularly important to deal with the key links during road laying, that is, if the waterproof, drainage and stability can be improved before the construction of the roadbed and road surface, the quality and life of the overall road will be improved, which will have a great impact. Practical significance.

Contents of the invention

It is an object of the present invention to solve at least the above-mentioned problems and to provide at least the advantages which will be described later.

Another object of the present invention is to provide a roadbed road surface pretreatment device and treatment method, which can be pretreated before roadbed and road surface construction, thereby improving the bonding tightness between the cushion layer, base layer and surface layer during road construction, and enhancing Improve the drainage performance of the road, thereby effectively improving the quality of the road and prolonging the service life of the road.

In order to realize these objects and other advantages according to the present invention, a kind of roadbed pavement pretreatment device is provided, comprising:

Frame, which is a rectangular parallelepiped frame composed of rods; the front end of the rectangular parallelepiped frame is provided with a cab; both sides of the rectangular parallelepiped frame are provided with rollers that support the rectangular parallelepiped frame from the ground and drive the rectangular parallelepiped frame to move ;

The tidal flat device is arranged behind the driver's cab and is located in the cuboid frame; the tidal flat device is a hollow chamber with an opening at the bottom; Discharge port, the beach paint filled in the chamber flows out of the chamber from the discharge port; on the bottom surface of the chamber, in front of the discharge port is provided with a The cleaning brush is a hard comb-shaped structure, the distance between two adjacent combs of the cleaning brush is 0.5-1 cm, and the distance between the top of the comb and the ground is no more than 0.2-1 cm. 0.5cm; on the bottom surface of the chamber, the rear of the discharge port is detachably provided with a tidal flat board equal in length to the discharge port, and the distance between the lower surface edge of the tidal flat board and the ground is 1 -2cm;

Spreading device, it is arranged on the tail end of described rectangular parallelepiped frame; Described spreading device comprises the bracket that is detachably connected on described rectangular parallelepiped frame, the reel that is arranged on described support and winds on described reel The geotextile; the support is composed of a first gantry frame and a second gantry frame, and the first gantry frame is detachably connected to the cuboid frame in such a way that the beam of the first gantry frame is located above; the second gantry frame The two ends of the two gantry frames are respectively connected to the two ends of the beam of the first gantry frame by springs, so that the second gantry frame fits with the first gantry frame when there is no external force, and the second gantry frame The distance from the beam to the ground is the same as the distance from the lower surface edge of the tidal flat plate to the ground; After passing under the crossbeam of the two gantry frames, it is flexibly connected with the upper surface of the tidal flat plate; the width of the geotextile is the same as the length of the tidal flat plate;

Seam filling drainage device, which is arranged on one side of the cuboid frame, and is located at the tail end of the cuboid frame; the seam filling device includes a material guide pipe, a wiper plate and a drain pipe; the material guide pipe is arranged as L-shaped structure, and one end is connected to the chamber, and the other end is vertically facing the ground, so that the beach paint in the chamber flows out to the ground, and the wiper plate matches the width of the roller, and is arranged on At the rear of the guide pipe, the distance from the edge of the lower surface of the wiper board to the ground is the same as the distance from the lower surface of the beach board to the ground; the drainage pipe is embedded in the beach paint, and the The upper surface of the drainage pipe is flush with the surface of the beach paint; drainage holes are evenly opened along the upper surface of the drainage pipe, and the two ends of the drainage pipe are respectively connected to the drainage ditches on both sides of the road surface.

Preferably, in the roadbed pavement pretreatment device, the top of the chamber is provided with a feed port.

Preferably, in the roadbed pavement pretreatment device, a cover is provided at the end of the outlet and the guide pipe facing the ground; the cover is set in a way that can slide to one side, and the The covers are respectively connected with the controllers in the cab, so that the controllers control the opening and closing of the covers.

Preferably, in the roadbed pavement pretreatment device, a stirring mechanism is provided in the chamber; the stirring mechanism includes a stirring shaft and a paddle; one end of the stirring shaft is connected to the top surface inside the chamber , the other end is vertically downward and connected with the paddle; and the stirring shaft is controlled by the controller, so that the paddle is driven by the controller to rotate to stir the shoal coating in the chamber .

Preferably, in the road subgrade pavement pretreatment device, the flexible connection method between the geotextile and the tidal flat board is as follows: the tidal flat board is provided with two A splint, an electromagnet is arranged in the splint, and the electromagnet is controlled by the controller, so that the controller controls its power on and off, and attracts each other when it is energized, and clamps the geotextile .

Preferably, in the roadbed pavement pretreatment device, the surface of the geotextile is uniformly provided with permeable holes, and the diameter of the permeable holes is 0.2-0.5cm.

Preferably, in the roadbed pavement pretreatment device, the lower surface of the tidal flat board is set in an arc shape with an upward depression in the middle.

Preferably, in the roadbed pavement pretreatment device, the drainage pipe is set as a square pipe with a rectangular cross-section, and the upper surface of the drainage pipe is an arc with a downwardly concave middle part, and the permeable hole Set in the middle of the upper surface of the drain pipe.

A processing method for a highway subgrade pavement pretreatment device, which includes the following steps:

Step 1, filling the beach coating in the chamber, wherein the beach coating is waterproof concrete;

Step 2. Remove the support from the cuboid frame, fix the first gantry to one end of the pretreated roadbed or road surface, and pass the end of the geotextile on the reel under the beam of the second gantry and fix it on tidal flats;

Step 3. Control the controller in the cab to energize the electromagnet in the splint, so that the two splints are attracted together, and the geotextile is fixed;

Step 4. Drive the roadbed and pavement pretreatment device to drive along the pretreated roadbed or road surface, open the cover of the discharge port and the material guide pipe during driving, so that the inner beach paint in the chamber flows out, and the beach board and the The trowel board smoothes the outflowing beach paint;

Step 5. Place the drainage pipe in the beach coating smoothed by the trowel board, and make the upper surface of the drainage pipe flush with the surface of the beach coating. The side drains are connected.

Preferably, in the treatment method of the highway subgrade pavement pretreatment device, after the drainage pipe is placed in the step 5, a waterproof cloth is laid on the top of the drainage pipe, and the side of the waterproof cloth is The edge overlaps the edge of the geotextile and is located above the geotextile.

The present invention at least includes the following beneficial effects:

The highway subgrade pavement pretreatment device of the present invention can clean up the sundries such as tree roots, rubbish and stones on the cushion or roadbed before laying the subgrade or road surface, thereby ensuring the quality of the subgrade or road surface during laying, and improving It ensures the tightness of the combination between the roadbed and the cushion or between the road surface and the roadbed.

By applying a thin layer of beach paint on the cushion or roadbed, the beach paint can be formulated according to the soil quality and environment of the construction road section, and then the beach paint can have waterproof, adhesive or other properties to meet different requirements. The need for road construction.

By setting the geotextile on the beach coating, it can effectively prevent the road surface cracks, deformation, depression and other damage caused by the vertical stress of the road surface, thereby improving the quality of the road and prolonging the service life of the road.

Through the setting of the seam repairing drainage device, the device can effectively clean the tidal flats in the area where the device tires pass during the construction of the road section, and through the change of the direction of the seam repairing drainage device, the seam repairing drainage device can be made according to the overall direction of the device. The running direction can be adjusted, and the entire road surface can be covered with tidal flats in one construction, and the drainage performance of the road can be significantly enhanced through the installation of drainage pipes, thereby avoiding road damage caused by poor drainage.

Other advantages, objectives and features of the present invention will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the study and practice of the present invention.

Description of drawings

Fig. 1 is the structural representation of roadbed pavement pretreatment device of the present invention;

Fig. 2 is a structural schematic diagram of the drainage pipe according to the present invention.

Detailed ways

The present invention will be further described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it with reference to the description.

It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

As shown in Figure 1, the present invention provides a kind of roadbed pavement pretreatment device, comprises: frame, and it is the cuboid frame 1 that is made up of bar body; The front end of described cuboid frame 1 is provided with cab 2; Both sides of the frame 1 are provided with rollers 3 that support the cuboid frame 1 off the ground and drive the cuboid frame 1 to move.

Tidal flat device, it is arranged on the rear of described driver's cab 2, and is positioned at described rectangular parallelepiped frame 1; Described tidal flat device is the inner hollow chamber 4 that has opening at the bottom; A rectangular discharge port 5 is provided, and the beach coating material filled in the chamber 4 flows out of the chamber 4 by the discharge port 5; The front is provided with a cleaning brush 6 equal in length to the discharge port 5, the cleaning brush 6 is a hard comb-like structure, and the distance between two adjacent comb teeth of the cleaning brush 6 is 0.5-1 cm. And the distance between the top of the comb teeth and the ground is no more than 0.2-0.5 cm; tidal flat plate 7, the distance between the edge of the lower surface of the tidal flat plate 7 and the ground is 1-2cm.

Spreading device, it is arranged on the tail end of described rectangular parallelepiped frame 1; Described spreading device comprises the support that is detachably connected on described rectangular parallelepiped frame 1, is arranged on the spool 8 on described support and is wound on the The geotextile 9 on the reel 8; the support is composed of a first gantry 10 and a second gantry 11, and the first gantry 10 is detachably connected in a manner that the beam of the first gantry 10 is located above On the cuboid frame 1; the two ends of the second gantry 11 are respectively connected to the two ends of the beam of the first gantry 10 by springs, so that the second gantry 11 is connected to the first gantry 11 when there is no external force. A gantry 10 fits together, and the distance between the beam of the second gantry 11 and the distance from the ground is the same as that of the lower surface edge of the tidal flat plate 7 from the ground; the reel 8 is sleeved on the first gantry 10 on the crossbeam, and after making the end of the geotextile 9 away from the reel 8 pass below the crossbeam of the second gantry 11, it is movably connected with the upper surface of the tidal flat plate 7; the width of the geotextile 9 is the same as The lengths of the tidal flat boards 7 are the same.

Seam repairing drainage device, which is arranged on one side of the cuboid frame 1, and is located at the tail end of the cuboid frame 1; the seam repairing device includes a material guide pipe 12, a wiper plate 13 and a drain pipe 14; the The material guide pipe 12 is arranged as an L-shaped structure, and one end is connected to the chamber 4, and the other end is vertically facing the ground, so that the beach paint in the chamber 4 flows out to the ground, and the wiper plate 13 and the The width of the roller 3 matches, and is arranged on the rear of the material guide pipe 12, the distance from the lower surface edge of the wiper plate 13 to the ground is the same as the distance from the ground to the lower surface of the tidal flat plate 7; Said drain pipe 14 is embedded in the said beach paint, and the upper surface of said drain pipe 14 is flush with the surface of the beach paint; the upper surface of said drain pipe 14 is uniformly provided with drainage holes 15, and said drain pipe The two ends of 14 are respectively connected to the drainage ditches on both sides of the road surface.

In the above scheme, the roadbed and pavement pretreatment device can clean the roots, garbage, stones and other sundries on the cushion or roadbed before laying the roadbed or road surface, thus ensuring the safety of the roadbed or road surface during laying. improve the quality of the subgrade and the cushion layer or the combination of the road surface and the subgrade; by coating a thinner layer of beach paint on the cushion layer or roadbed, wherein the beach paint can be deployed according to the soil quality and environment of the construction section, and then It can make the beach coating waterproof, adhesive or other various characteristics, so as to meet the needs of different road constructions; by setting geotextiles on the beach coating, it can effectively prevent road surface cracks, deformation, depression and other damage caused by the vertical stress of the road surface. Thereby, the quality of the road is improved, and the service life of the road is prolonged; through the setting of the seam-filling drainage device, the device can effectively clean the tidal flats in the area where the device tire passes during road construction, and the direction of the seam-filling drainage device can be changed , the seam filling and drainage device can be adjusted according to the overall running direction of the device, and the entire road surface can be fully covered with mudflats in one construction, and the drainage performance of the road can be significantly enhanced through the setting of drainage pipes, thereby avoiding Road damage caused by poor drainage.

When the roadbed pavement pretreatment device is in use, the cleaning brush located below the chamber uses a comb-like structure to clean up rubbish such as gravel and branches on the surface during the travel process. The length of the comb teeth and the width of the gap are determined according to the Repeated experiments have confirmed that all the large garbage can be cleaned up without causing damage to the construction surface of the construction section; spread the pre-prepared beach coating on the construction surface at the outlet behind the cleaning brush, and the beach coating will Scraping, the reasonable length of the tidal flat plate and the height from the ground make the tidal flat coating according to the predetermined thickness, and then make the construction section surface form a tidal coating with characteristic effects, and then in the tidal flat process, the geotextiles held by the two gantry frames also return It will be spread evenly on the beach coating through the second gantry, and then the geotextile will strengthen the overall structure of the construction section, effectively preventing damage such as cracks or depressions in the later use of the road surface, and prolonging the service life of the road surface. Finally, the cooperation of the caulking device and the drainage pipe makes the drainage effect of the road after construction better and avoids road damage caused by poor drainage.

In addition, the rod body of the frame is made of relatively strong metal rod body made of steel or iron, and the frame is formed by welding.

In a preferred solution, the top of the chamber 4 is provided with a feeding port 16 .

In the above scheme, the addition of the chamber shoal paint is facilitated by setting the feed port.

In a preferred solution, the end of the discharge port 5 and the feed pipe 12 facing the ground is provided with a cover; The controller inside is connected, so that the opening and closing of the cover is controlled by the controller.

In the above solution, through the setting of the cover body, the staff in the cab can conveniently control the discharge, wherein the sliding method of the cover body can be set as an inner tube and an outer tube sleeved together, the inner tube One end of the tube is connected to the motor, and is driven by the motor to slide relative to the inner wall of the outer tube, and the other end of the inner tube is connected to the edge of the cover, so that when the inner tube part slides out of the outer tube, the cover is driven by the discharge port or the material guide. The mouth of the pipe leaves, and when the inner pipe slides into the outer pipe, the cover body is driven to cover the mouth of the discharge port or the guide pipe again, thereby preventing the shoal paint from flowing out.

In a preferred solution, a stirring mechanism is provided in the chamber 4; the stirring mechanism includes a stirring shaft 17 and a paddle 18; one end of the stirring shaft 17 is connected to the top surface inside the chamber 4, and the other end is vertical. Straight down and connected with the paddle 18; and the stirring shaft 17 is controlled by the controller, so that the paddle 18 is driven by the controller to rotate, so that the shoal coating in the chamber 4 is Stir.

In the above scheme, by setting a stirring mechanism composed of a stirring shaft and paddles in the chamber, the beach paint can be stirred conveniently, thereby ensuring that the beach paint is evenly mixed during beach construction, thereby ensuring construction quality.

In a preferred solution, the flexible connection between the geotextile 9 and the tidal flat plate 7 is specifically: the tidal flat plate 7 is provided with two splints 19 on the surface facing the tail end of the cuboid frame 1, and the An electromagnet is arranged in the splint 19, and the electromagnet is controlled by the controller, so that the controller controls its power on and off, and attracts each other when the power is on, and clamps the geotextile 9 .

In the above solution, by arranging a splint on the tidal flat, and setting an electromagnet connected to the controller inside the splint, the clamping of the geotextile by the splint can be made more stable, thereby facilitating the laying of the geotextile.

In a preferred solution, the surface of the geotextile 9 is uniformly provided with permeable holes, and the diameter of the permeable holes is 0.2-0.5 cm.

In the above scheme, by opening permeable holes on the surface of the geotextile, the geotextile can not only increase the anti-deformation ability of the road, but also not be damaged by the accumulation of water, so as to facilitate the export of water and improve the quality of the road. Setting the aperture of the permeable hole within the range of 0.2-0.5cm will neither affect the overall strength of the geotextile nor restrict drainage.

In a preferred solution, the lower surface of the tidal flat plate 7 is set in an arc shape with an upward depression in the middle.

In the above scheme, by setting the lower surface of the tidal flat board as an upwardly concave arc in the middle, the tidal flat coating applied on the tidal flat board is an arc surface with a high middle and low ends, which facilitates the water to be exported to both sides, thereby increasing road safety. drainage performance.

In a preferred solution, the drainpipe 14 is set as a square pipe with a rectangular cross section, and the upper surface of the drainpipe 14 is an arc with a downwardly recessed middle part, and the permeable holes are opened in the drainpipe 14. the middle of the upper surface.

In the above scheme, by setting the drainage pipe as a square pipe, the placement of the drainage pipe in the beach coating is more stable, and the upper surface of the drainage pipe is set as a downwardly concave arc, which can make the permeable hole at the lowest point, which is convenient for water to be introduced and drained inside the tube.

A processing method for a highway subgrade pavement pretreatment device, which includes the following steps:

Step 1, filling the beach coating in the chamber, wherein the beach coating is waterproof concrete;

Step 2. Remove the support from the cuboid frame, fix the first gantry to one end of the pretreated roadbed or road surface, and pass the end of the geotextile on the reel under the beam of the second gantry and fix it on tidal flats;

Step 3. Control the controller in the cab to energize the electromagnet in the splint, so that the two splints are attracted together, and the geotextile is fixed;

Step 4. Drive the roadbed and pavement pretreatment device to drive along the pretreated roadbed or road surface, open the cover of the discharge port and the material guide pipe during driving, so that the inner beach paint in the chamber flows out, and the beach board and the The trowel board smoothes the outflowing beach paint;

Step 5. Place the drainage pipe in the beach coating smoothed by the trowel board, and make the upper surface of the drainage pipe flush with the surface of the beach coating. The side drains are connected.

In a preferred solution, after the drainage pipe in the step 5 is placed, a waterproof cloth is laid above the drainage pipe, and the side of the waterproof cloth overlaps with the edge of the geotextile, and is located in the above the geotextile.

In the above solution, by laying the waterproof cloth above the drainage pipe, it can avoid the permeable holes from being blocked when other materials are laid on the construction road section.

Although the embodiment of the present invention has been disclosed as above, it is not limited to the use listed in the specification and implementation, it can be applied to various fields suitable for the present invention, and it can be easily understood by those skilled in the art Therefore, the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. A highway subgrade pavement pretreatment device, comprising: Frame, which is a rectangular parallelepiped frame composed of rods; the front end of the rectangular parallelepiped frame is provided with a cab; both sides of the rectangular parallelepiped frame are provided with rollers that support the rectangular parallelepiped frame from the ground and drive the rectangular parallelepiped frame to move ; The tidal flat device is arranged behind the driver's cab and is located in the cuboid frame; the tidal flat device is a hollow chamber with an opening at the bottom; Discharge port, the beach paint filled in the chamber flows out of the chamber from the discharge port; on the bottom surface of the chamber, in front of the discharge port is provided with a The cleaning brush is a hard comb-shaped structure, the distance between two adjacent combs of the cleaning brush is 0.5-1 cm, and the distance between the top of the comb and the ground is no more than 0.2-1 cm. 0.5cm; on the bottom surface of the chamber, the rear of the discharge port is detachably provided with a tidal flat board equal in length to the discharge port, and the distance between the lower surface edge of the tidal flat board and the ground is 1 -2cm; Spreading device, it is arranged on the tail end of described rectangular parallelepiped frame; Described spreading device comprises the bracket that is detachably connected on described rectangular parallelepiped frame, the reel that is arranged on described support and winds on described reel The geotextile; the support is composed of a first gantry frame and a second gantry frame, and the first gantry frame is detachably connected to the cuboid frame in such a way that the beam of the first gantry frame is located above; the second gantry frame The two ends of the two gantry frames are respectively connected to the two ends of the beam of the first gantry frame by springs, so that the second gantry frame fits with the first gantry frame when there is no external force, and the second gantry frame The distance from the beam to the ground is the same as the distance from the lower surface edge of the tidal flat plate to the ground; After passing under the crossbeam of the two gantry frames, it is flexibly connected with the upper surface of the tidal flat plate; the width of the geotextile is the same as the length of the tidal flat plate; Seam filling drainage device, which is arranged on one side of the cuboid frame, and is located at the tail end of the cuboid frame; the seam filling device includes a material guide pipe, a wiper plate and a drain pipe; the material guide pipe is arranged as L-shaped structure, and one end is connected to the chamber, and the other end is vertically facing the ground, so that the beach paint in the chamber flows out to the ground, and the wiper plate matches the width of the roller, and is arranged on At the rear of the guide pipe, the distance from the edge of the lower surface of the wiper board to the ground is the same as the distance from the lower surface of the beach board to the ground; the drainage pipe is embedded in the beach paint, and the The upper surface of the drainage pipe is flush with the surface of the beach paint; drainage holes are evenly opened along the upper surface of the drainage pipe, and the two ends of the drainage pipe are respectively connected to the drainage ditches on both sides of the road surface. 2. The roadbed and pavement pretreatment device according to claim 1, wherein a feeding port is arranged on the top of the chamber. 3. The roadbed pavement pretreatment device as claimed in claim 1, wherein, one end of the discharge port and the feed pipe facing the ground is provided with a cover; the cover is provided in a manner that can slide to one side , and the covers are respectively connected to the controller in the cab, so that the controller controls the opening and closing of the cover. 4. The roadbed pavement pretreatment device as claimed in claim 3, wherein a stirring mechanism is provided in the chamber; the stirring mechanism comprises a stirring shaft and a paddle; one end of the stirring shaft is connected to the inside of the chamber the top surface, the other end is vertically downward and connected with the paddle; and the stirring shaft is controlled by the controller, so that the paddle is driven by the controller to rotate, so as to clean the tidal flat in the chamber Stir the ingredients. 5. The roadbed pavement pretreatment device as claimed in claim 3, wherein, the movable connection mode of the geotextile and the tidal flat board is specifically: the tidal flat board is on the surface facing the tail end of the cuboid frame There are two splints, and an electromagnet is arranged in the splint, and the electromagnet is controlled by the controller, so that the controller controls its power on and off, and attracts each other when it is powered on, and the geotechnical Cloth grip. 6 . The roadbed and pavement pretreatment device according to claim 1 , wherein, the surface of the geotextile is evenly provided with permeable holes, and the diameter of the permeable holes is 0.2-0.5 cm. 7. The roadbed and pavement pretreatment device according to claim 1, wherein, the lower surface of the tidal flat board is arranged in an arc shape with an upward depression in the middle. 8. The roadbed pavement pretreatment device as claimed in claim 1, wherein the drainpipe is arranged as a square pipe with a rectangular cross section, and the upper surface of the drainpipe is an arc with the middle part sunken downwards, the said drainpipe The permeable hole is opened in the middle of the upper surface of the drain pipe. 9. A processing method of the roadbed pavement pretreatment device as described in any one of claims 1-8, wherein, comprising the following steps: Step 1, filling the beach coating in the chamber, wherein the beach coating is waterproof concrete; Step 2. Remove the support from the cuboid frame, fix the first gantry to one end of the pretreated roadbed or road surface, and pass the end of the geotextile on the reel under the beam of the second gantry and fix it on tidal flats; Step 3. Control the controller in the cab to energize the electromagnet in the splint, so that the two splints are attracted together, and the geotextile is fixed; Step 4. Drive the roadbed and pavement pretreatment device to drive along the pretreated roadbed or road surface, open the cover of the discharge port and the material guide pipe during driving, so that the inner beach paint in the chamber flows out, and the beach board and the The trowel board smoothes the outflowing beach paint; Step 5. Place the drainage pipe in the beach coating smoothed by the trowel board, and make the upper surface of the drainage pipe flush with the surface of the beach coating. The side drains are connected. 10. the processing method of highway embankment pavement pretreatment device as claimed in claim 9, wherein, after described drainage pipe in described step 5 is placed, lay waterproof cloth above described drainage pipe, and make described waterproof The sides of the cloth overlap the edges of the geotextile and are located above the geotextile.