Road asphalt laying device and using method thereof

Abstract

The invention relates to the field of road asphalt laying. The invention discloses a road asphalt paving device and a use method thereof, and aims to solve the problems that in the existing asphalt paving process, a sunken part cannot be subjected to material supplementing treatment when encountering a sunken road surface, so that when the sunken part is paved with asphalt, the asphalt in the sunken part is vacant, and the asphalt in the sunken part needs to be added subsequently; and in addition, the situation of asphalt condensation occurs at the discharging opening of the material box, and use of a sealing plate at the discharging opening is affected. According to the pavement paving device, when asphalt is paved on the pavement under the cooperative use of the paving part and the material supplementing part, when the pavement is in a concave shape, the pavement at the concave position can be supplemented in time, so that when the pavement is paved, the pavement is complete, and the condition of pits is avoided.

Description

Technical Field

[0001] The present invention relates to the field of road asphalt paving, and in particular to a road asphalt paving device and a use method thereof. Background Art

[0002] Asphalt pavement is a road surface constructed by mixing road asphalt with mineral materials. Compared to ordinary cement concrete pavement, asphalt pavement offers a smoother surface, less vibration during driving, easier construction, and suitability for segmented construction. Existing asphalt pavement construction often requires the use of a paving device to spread the asphalt evenly on the ground.

[0003] An existing patent (publication number: CN115125794B) discloses a road asphalt paving device comprising a frame and a barrel mounted on the frame for storing asphalt. The barrel has a discharge port at the bottom for discharging asphalt, and a scraper assembly for cleaning the asphalt at the discharge port. The scraper assembly comprises a linkage frame slidably mounted on the frame, a scraper embedded in the upper side of the linkage frame, and a drive member for driving the linkage frame to slide horizontally along the length of the discharge port. The top end of the scraper slides in the discharge port, and the two sides of the scraper respectively abut against the inner walls of the barrel along its width. This application utilizes the scraper assembly to clean asphalt that has accumulated at the discharge port of the barrel, making it less susceptible to clogging. In the process of realizing the present invention, the inventors found that there are at least the following problems in the prior art that have not been solved: during the paving process of the existing asphalt, when encountering a concave road surface, the concave area cannot be replenished with material, resulting in a lack of asphalt in the concave area when the asphalt is paved, and subsequent asphalt addition to the concave area is required, which affects the effect of asphalt paving, and asphalt condenses at the discharge port of the material box, affecting the use of the sealing plate at the discharge port. Summary of the Invention

[0004] The present invention aims to provide a road asphalt paving device and its use method to address the problems raised in the aforementioned background art. To achieve the aforementioned objectives, the present invention provides the following technical solution: a road asphalt paving device comprising a horizontally arranged mobile frame, a material tank for storing asphalt fixedly mounted on the top of the mobile frame, a discharge port disposed at the bottom of the material tank, a pressure roller disposed on the side of the bottom of the mobile frame away from the discharge port, a scraping device disposed on the top of the mobile frame, the scraping device slidingly engaging with the discharge port at the bottom of the material tank, and a paving device rotatably mounted on the bottom of the mobile frame, the paving device being located adjacent to the discharge port.

[0005] Preferably, the scraper device includes a driving motor fixedly connected to the top of the movable frame, the main shaft of the driving motor is connected to a driving screw, the driving screw is spirally provided with a movable frame, the movable frame slides with the top of the movable frame, a column is fixedly provided on the top of the movable frame, a scraper plate is slidably provided on the column, a connecting spring is sleeved on the column, the two ends of the connecting spring are respectively connected to the bottom of the scraper plate and the top of the movable frame, a baffle is inserted in the discharge port at the bottom of the material box, and a scraper member is also provided on the movable frame.

[0006] Material toggling mechanism, its both ends are connected with the said sliding arm, and the sliding arm is connected with the up-down knob. The said moulding mechanism, the said moulding mechanism being further from the said sliding arm and the up-down knob. The two moulding mechanisms are respectively connected with the said moulding mechanism.

[0007] Preferably, four driving wheels are provided at the bottom of the movable frame, and a driving shaft is connected between the two driving wheels close to the discharge port. The laying device includes a transmission rod rotatably arranged on the inner wall of the movable frame, the transmission rod is fixedly connected to a transmission disk, the driving shaft is fixedly connected to the driving disk, a driving belt is sleeved between the driving disk and the transmission disk, and a transmission gear is also fixedly connected to the transmission rod, and a reciprocating screw rod is rotatably provided on the inner wall of the movable frame, the reciprocating screw rod is fixedly connected to a rotating gear, and the transmission gear is meshed with the rotating gear.

[0008] Preferably, the laying device also includes a laying piece arranged on the reciprocating screw rod, a material preparation box is fixedly connected to the inner top of the movable frame, the material preparation box is communicated with the bottom of the material box, and a material replenishing piece that rotates with the material preparation box is provided on the inner wall of the movable frame, and the laying piece and the material replenishing piece are transmission-coordinated.

[0009] Material toggling mechanism, its both ends are to be connected with the up-down knob.The two ends of two guide wheels are respectively fixed on the top of two guide wheels, and two guide wheels are connected with each other with a up-down knob.

[0010] Material toggling mechanism, its both sides respectively have a cylinder pressure, and the cylinder pressure bar connects swing arm, and the swing arm end face has hook portion, and a bar passes position between the end of two swing arms and the hook portion. The swing arm ends up being rotated by the hook portion.

[0011] Preferably, the method for using the road asphalt paving device comprises the following steps: S1: When cleaning the condensed asphalt at the discharge port at the bottom of the material box, the scraper is at the discharge port, and the driving motor can rotate the driving screw, and the driving screw rotation drives the mobile frame to slide on the top of the mobile frame. When the mobile frame slides, the scraper can slide at the discharge port under the drive of the column. In the process of moving the mobile frame, under the restriction of the limiting rack, the rotating gear drives the sleeve to rotate. When the sleeve rotates, the limiting groove and the arc groove on the sleeve drive the card rod to move the two moving rods. The movement of the two moving rods drives the inclined block to move. When the inclined block moves, the top of the inclined block contacts the two limiting wheels on the scraper, so that the scraper scrapes the asphalt in the discharge port in the discharge port. The scraper moves back and forth on the column, thereby increasing the area of ​​the scraper scraping the asphalt at the discharge port; S2: When paving asphalt on the road, the discharge port discharges asphalt onto the road surface, and the paving scraper is located beside the discharge port. During the movement of the mobile frame, the driving shaft between the two driving wheels of the mobile frame rotates to rotate the driving disc on the driving shaft, and the driving belt between the driving disc and the transmission disc can drive the transmission disc to rotate, and the transmission disc can drive the transmission rod to rotate, thereby causing the transmission gear on the transmission rod to drive the rotating gear to rotate rapidly, thereby causing the reciprocating screw to rotate rapidly. When the reciprocating screw rotates, it drives the carrier frame to move on the fixed rod, and the paving scraper on the carrier frame is under the pressure of the pressure spring on the bearing rod, which makes the paving scraper closely contact with the surface of the paved road surface, thereby flattening the asphalt discharged from the discharge port, and then the flattened asphalt can be compacted by the pressure roller provided at the bottom of the mobile frame; S3: When the mobile frame encounters an uneven road surface during movement, the paving scraper will move downward toward the depression in the road surface under the drive of the pressure spring. When the paving scraper moves downward, the limit plate will pull the connecting rod to deflect the clamping frame on the carrier frame. When the connecting rod pulls the clamping frame to deflect, the clamping frame will drive the clamping rod to rotate. At this time, the cam on the clamping rod will contact the end of the moving column, thereby causing the moving column to be squeezed and slide on the support seat. The material preparation box is connected to the material box, and the two valves on the material preparation box respectively control the material preparation box close to the opening of the material box and the material port of the material preparation box. The initial setting of the material preparation box is that the material port of the material preparation box is closed. When the road surface encounters a depression When the cam squeezes the moving column to move, the moving column will drive the support rod to move, and the support rod will pull the pull rod to move, and the two rotating frames are set in opposite directions, and the two rotating frames can rotate in opposite directions under the drive of the pull rod. When the two rotating frames rotate in opposite directions, the two rotating frames drive the rotating rod to rotate, so that the rotating rod controls the rotation of the two first bevel gears in opposite directions, and then the rotation directions of the two second bevel gears are opposite. The rotation of the two second bevel gears will respectively control the valves located at the opening of the material box to close, so that the material port of the material preparation box is opened, and the asphalt stored in the cavity of the material preparation box is discharged to the road surface, and the concave area is filled with material under the drive of the paving scraper; S4: After the depression in the road surface is filled with material, the limit plate is reset under the drive of the pressure spring, and then the clamping rod is rotated and reset, and the movable column is reset under the drive of the support spring, the valve at the material port of the preparation box is closed, and the valve at the material box and the material box opening is opened to continue to store a certain amount of asphalt in the preparation box.

[0012] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, when the scraper plate scrapes the asphalt in the discharge port, the scraper plate will move back and forth on the column, thereby increasing the area of ​​the scraper plate scraping the asphalt at the discharge port. The baffle plate inserted at the discharge port is above the discharge port. After the asphalt is discharged from the material box, the scraper plate can scrape the discharge port and the asphalt remaining above the discharge port, so that the baffle plate inserted at the discharge port will not be affected by the residual asphalt, and the baffle plate can be inserted into the discharge port to seal the asphalt in the material box.

[0013] In the present invention, when the reciprocating screw rotates, it drives the supporting frame to move on the fixed rod. Under the pressure of the pressure spring on the supporting rod, the paving scraper on the supporting frame will make the paving scraper in close contact with the surface of the paved road surface, thereby moving and flattening the asphalt discharged from the discharge port. Subsequently, the flattened asphalt can be compacted by the pressure roller provided at the bottom of the mobile frame, thereby realizing the asphalt paving operation on the road.

[0014] In the present invention, when the road surface encounters a depression, the cam squeezes the moving column to move, and the moving column will drive the support rod to move, and the support rod will pull the pull rod to move, and the two rotating frames are set in opposite directions, and then the two rotating frames can rotate in opposite directions under the drive of the pull rod. When the two rotating frames rotate in opposite directions, the two rotating frames drive the rotating rod to rotate, so that the rotating rod controls the rotation of the two first bevel gears in opposite directions, and then the rotation directions of the two second bevel gears are opposite. The rotation of the two second bevel gears will respectively control the valves located at the opening of the material box to close, so that the material port of the material preparation box is opened, and then the asphalt stored in the cavity of the material preparation box is discharged to the road surface, and the depressed area is replenished under the drive of the paving scraper.

[0015] In the present invention, after the depression in the road surface is filled with material, the limit plate is reset under the drive of the pressure spring, and then the clamping rod is rotated and reset, and the movable column is reset under the drive of the support spring, the valve at the material opening of the material preparation box is closed, and the valves at the material preparation box and the material box opening are opened, and the material preparation box continues to store a certain amount of asphalt. Through this arrangement, when paving asphalt on the road surface, if the road surface is concave, the road surface in the concave position can be filled with material in time, so that the road surface is complete during paving and potholes are avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 This is a partial three-dimensional structure cutaway view of the present invention. Figure 1 ; Figure 3 It is a schematic diagram of the three-dimensional structure of the scraping device of the present invention; Figure 4 Schematic diagram of the partial three-dimensional structure of the scraping device of the present invention Figure 1 ; Figure 5 Schematic diagram of the partial three-dimensional structure of the scraping device of the present invention Figure 2 ; Figure 6 It is a schematic diagram of a partial three-dimensional structure of the present invention; Figure 7 This is a partial three-dimensional structure cutaway view of the present invention. Figure 2 ; Figure 8 It is a schematic diagram of a partial three-dimensional structure of a paving piece of the present invention; Figure 9 It is a sectional view of the three-dimensional structure of the material filling piece of the present invention.

[0017] In the figure: 1. Mobile frame; 11. Material box; 12. Material discharge port; 13. Pressing roller; 14. Driving wheel; 15. Driving shaft; 2. Scraping device; 21. Driving motor; 22. Driving screw; 23. Mobile frame; 24. Column; 25. Scraping plate; 26. Connecting spring; 27. Baffle; 3. Scraping member; 31. Sleeve; 32. Rotating gear; 33. Limiting rack; 34. Limiting groove; 35. Arc groove; 36. Mobile rod; 37. Clamping rod; 38. Bevel block; 39. Limiting wheel; 4. Laying device; 41. Transmission rod; 42. Transmission plate; 43. Driving plate 44. Driving belt; 45. Transmission gear; 46. Reciprocating screw; 47. Rotating gear; 48. Material preparation box; 5. Laying parts; 51. Fixed rod; 52. Carrying frame; 53. Clamping rod; 54. Carrying rod; 55. Laying scraper; 56. Limiting plate; 57. Pressure spring; 58. Clamping frame; 59. Connecting rod; 6. Material feeding parts; 61. Support seat; 62. Moving column; 63. Cam; 64. Support spring; 65. Support rod; 66. Rotating rod; 67. Rotating frame; 68. Pull rod; 69. First bevel gear; 610. Valve; 611. Second bevel gear. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] See also Figures 1 to 9The present invention provides a technical solution: a road asphalt paving device, comprising a horizontally arranged mobile frame 1, a material box 11 for storing asphalt is fixedly arranged on the top of the mobile frame 1, a discharge port 12 is arranged at the bottom of the material box 11, a pressure roller 13 is arranged on the side of the bottom of the mobile frame 1 away from the discharge port 12, a scraping device 2 is also arranged on the top of the mobile frame 1, the scraping device 2 is slidably matched with the discharge port 12 at the bottom of the material box 11, and a paving device 4 is rotatably provided on the bottom of the mobile frame 1, and the paving device 4 is located next to the discharge port 12.

[0020] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 As shown, the scraper device 2 includes a driving motor 21 fixedly connected to the top of the mobile frame 1, the main shaft of the driving motor 21 is connected to a driving screw 22, and a moving frame 23 is spirally provided on the driving screw 22. The moving frame 23 slides with the top of the mobile frame 1, and a column 24 is fixedly provided on the top of the mobile frame 23. A scraper plate 25 is slidably provided on the column 24, and a connecting spring 26 is sleeved on the column 24. The two ends of the connecting spring 26 are respectively connected to the bottom of the scraper plate 25 and the top of the mobile frame 23. A baffle 27 is inserted into the discharge port 12 at the bottom of the material box 11, and a scraper 3 is also provided on the mobile frame 23; The scraper 3 includes a sleeve 31 rotatably arranged on the side wall of the mobile frame 23, the outer wall of the sleeve 31 is fixedly connected to a rotating gear 32, a limit rack 33 is fixedly provided on the top of the mobile frame 1, the rotating gear 32 is engaged with the limit rack 33, and a limit groove 34 and an arc groove 35 are also provided on the outer wall of the sleeve 31, the arc groove 35 and the limit groove 34 are connected, and a moving rod 36 arranged opposite to each other is also slidably provided on the outer wall of the mobile frame 23. The two moving rods 36 are located on both sides of the sleeve 31, and a clamping rod 37 is provided on the moving rod 36 facing the limiting groove 34 and the arc groove 35 in the sleeve 31. The moving rod 36 is also sleeved with a resistance spring, and the two ends of the resistance spring are respectively connected to the outer wall of the moving frame 23 and the moving rod 36. The two moving rods 36 are fixedly connected to an inclined block 38 arranged in an inclined manner. Two limiting wheels 39 are rotatably provided on the scraper 25, and the two limiting wheels 39 are respectively in contact with the inclined blocks 38 on the two moving rods 36; When cleaning the asphalt condensed at the discharge port 12 at the bottom of the material box 11, the scraper 25 is at the discharge port 12, and the driving motor 21 can make the driving screw 22 rotate, and the driving screw 22 rotates to drive the movable frame 23 to slide on the top of the movable frame 1. When the movable frame 23 slides, the scraper 25 can slide at the discharge port 12 driven by the column 24. In the process of moving the movable frame 23, under the restriction of the limiting rack 33, the rotating gear 32 will drive the sleeve 31 to rotate. When the sleeve 31 rotates, the limiting groove 34 and the arc groove 35 on the sleeve 31 will drive the card rod 37 to move the two movable rods 36. The movement of the two movable rods 36 will drive the inclined block 38 to move. When the asphalt is discharged from the material box 11, the scraper 25 can scrape the asphalt in the material box 11 and the asphalt in the material box 11 will be removed by the scraper 25. The asphalt in the material box 11 can be removed by the scraper 25. When the asphalt in the material box 11 is discharged from the material box 11, the scraper 25 can scrape the asphalt in the material box 11 and the asphalt in the material box 11 can be removed by the scraper 25. The baffle 27 can be inserted into the material box 11 to seal the asphalt in the material box 11.

[0021] In this embodiment, Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9 As shown, four driving wheels 14 are provided at the bottom of the mobile frame 1, and a driving shaft 15 is connected between the two driving wheels 14 on the side close to the discharge port 12. The paving device 4 includes a transmission rod 41 rotatably provided on the inner wall of the mobile frame 1, and a transmission disc 42 is fixedly connected to the transmission rod 41. A driving disc 43 is fixedly connected to the driving shaft 15. A driving belt 44 is sleeved between the driving disc 43 and the transmission disc 42. A transmission gear 45 is also fixedly connected to the transmission rod 41. A reciprocating screw rod 46 is rotatably provided on the inner wall of the mobile frame 1, and a rotating gear 47 is fixedly connected to the reciprocating screw rod 46. The transmission gear 45 is meshed with the rotating gear 47. The laying device 4 also includes a laying member 5 provided on a reciprocating screw rod 46, a material preparation box 48 is fixedly connected to the inner top of the mobile frame 1, and the material preparation box 48 is communicated with the bottom of the material box 11. A material feeding member 6 is provided on the inner wall of the mobile frame 1 and is rotatably matched with the material preparation box 48. The laying member 5 and the material feeding member 6 are in transmission cooperation; The paving member 5 includes two fixed rods 51 fixedly connected to the bottom of the mobile frame 1. The two fixed rods 51 are respectively located on both sides of the reciprocating screw rod 46. A spirally matched bearing frame 52 is provided on the reciprocating screw rod 46. The bearing frame 52 slides with the two fixed rods 51. A clamping rod 53 is also rotatably provided on the inner wall of the mobile frame 1. The top of the bearing frame 52 slides with the bottom of the mobile frame 1. A bearing rod 54 is correspondingly slidably provided on the bearing frame 52. The bottom of the two bearing rods 54 is fixedly connected to a paving scraper. 55. The tops of the two bearing rods 54 are fixedly connected to a limit plate 56. The limit plate 56 is slidably matched with the bearing frame 52. A pressure spring 57 is sleeved on each of the two bearing rods 54. The two ends of the pressure spring 57 are respectively connected to the bottom of the limit plate 56 and the top of the bearing frame 52. The bearing frame 52 is also rotatably provided with a clamping frame 58. The clamping frame 58 is clamped and matched with the clamping rod 53. The bottom of the limit plate 56 is hingedly provided with a connecting rod 59. The end of the connecting rod 59 away from the limit plate 56 is hinged and matched with the clamping frame 58. When paving the road with asphalt, the discharge port 12 discharges the asphalt onto the road surface, and the paving scraper 55 is located beside the discharge port 12. During the movement of the mobile frame 1, the driving shaft 15 between the two driving wheels 14 of the mobile frame 1 rotates to rotate the driving disc 43 on the driving shaft 15. The driving belt 44 between the driving disc 43 and the transmission disc 42 can drive the transmission disc 42 to rotate, and the transmission disc 42 can drive the transmission rod 41 to rotate, thereby enabling the transmission gear 45 on the transmission rod 41 to drive the rotating gear 47 rotates rapidly, thereby causing the reciprocating screw 46 to rotate rapidly. When the reciprocating screw 46 rotates, it drives the carrier frame 52 to move on the fixed rod 51. Under the pressure of the pressure spring 57 on the carrier rod 54, the paving scraper 55 on the carrier frame 52 will make the paving scraper 55 closely contact with the surface of the paved road surface, thereby flattening the asphalt discharged from the discharge port 12. Subsequently, the flattened asphalt can be compacted by the pressure roller 13 provided at the bottom of the mobile frame 1, thereby realizing the asphalt paving operation on the road.

[0022] In this embodiment, Figure 1 、 Figure 2 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 9As shown, the feeding member 6 includes a support seat 61 fixedly connected to the inner wall of the mobile frame 1, a moving column 62 is slidably provided on the support seat 61, a cam 63 that contacts the moving column 62 is fixedly connected to the clamping rod 53, a support spring 64 is connected between the moving column 62 and the support seat 61, and a support rod 65 is fixedly connected to the outer wall of the moving column 62, and the support rod 65 is slidably matched with the support seat 61, and a rotating rod 66 is correspondingly rotatably connected to the support seat 61. The rods 66 are fixedly connected to a rotating frame 67, and the rotating frames 67 are arranged opposite to each other and are arranged in opposite directions. A pull rod 68 is hingedly connected between the support rod 65 and the corresponding rotating frame 67. The two rotating rods 66 are fixedly connected to a first bevel gear 69. A valve 610 is correspondingly provided on the side wall of the preparation box 48. The connecting ends of the two valves 610 on the preparation box 48 are respectively fixedly connected to a second bevel gear 611. The first bevel gear 69 is meshed with the corresponding second bevel gear 611. When the mobile frame 1 encounters an uneven road surface during movement, the paving scraper 55 will move downward toward the depression of the road surface under the drive of the pressure spring 57. When the paving scraper 55 moves downward, the limit plate 56 will pull the connecting rod 59 to deflect the clamping frame 58 on the carrier frame 52. When the connecting rod 59 pulls the clamping frame 58 to deflect, the clamping frame 58 will drive the clamping rod 53 to rotate. At this time, the cam 63 on the clamping rod 53 will contact the end of the moving column 62, thereby squeezing the moving column 62 to slide on the support seat 61, and the preparation The material box 48 is connected to the material box 11. The two valves 610 on the material box 48 respectively control the opening of the material box 48 close to the material box 11 and the material port of the material box 48. The initial setting of the material box 48 is that the material port of the material box 48 is closed. When the road surface encounters a depression, the cam 63 squeezes the moving column 62 to move, and the moving column 62 drives the support rod 65 to move. The support rod 65 pulls the pull rod 68 to move, and the two rotating frames 67 are set in opposite directions, and then the two rotating frames 67 can rotate in opposite directions under the drive of the pull rod 68. When the two rotating frames 67 rotate in opposite directions, the two rotating frames 67 drive the rotating rod 66 to rotate, so that the rotating rod 66 controls the rotation of the two first bevel gears 69 in opposite directions, thereby making the rotation directions of the two second bevel gears 611 opposite. The rotation of the two second bevel gears 611 will respectively control the valve 610 located at the opening of the material box 11 to close, so that the material port of the preparation box 48 is opened, and the asphalt stored in the cavity of the preparation box 48 is discharged to the road surface. Under the drive of the paving scraper 55, the concave area is filled with material. When the concave area of ​​the road surface is After the material is added, the limit plate 56 is reset under the drive of the pressure spring 57, and then the clamping rod 53 is rotated and reset, and the movable column 62 is reset under the drive of the support spring 64, and the valve 610 at the material port of the preparation box 48 is closed, and the valve 610 at the opening of the preparation box 48 and the material box 11 is opened, and the preparation box 48 continues to store a certain amount of asphalt. Through this arrangement, when asphalt is paved on the road surface, if the road surface is concave, the road surface in the concave part can be replenished in time, so that the road surface is complete during paving and potholes are avoided.

[0023] The use method and advantages of the present invention: The use method of the road asphalt paving device, the working process is as follows: like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 、 Figure 9 As shown: S1: When cleaning the condensed asphalt at the discharge port 12 at the bottom of the material box 11, the scraper 25 is at the discharge port 12, and the driving motor 21 can rotate the driving screw 22, and the driving screw 22 rotates to drive the mobile frame 23 to slide on the top of the mobile frame 1. When the mobile frame 23 slides, the scraper 25 can slide at the discharge port 12 under the drive of the column 24. In the process of moving the mobile frame 23, under the restriction of the limit rack 33, the rotating gear 32 drives the sleeve 31 to rotate, and the sleeve When the cylinder 31 rotates, the limiting groove 34 and the arc groove 35 on the sleeve 31 drive the clamping rod 37 to move the two moving rods 36. The movement of the two moving rods 36 drives the inclined block 38 to move. When the inclined block 38 moves, the top of the inclined block 38 contacts the two limiting wheels 39 on the scraper 25. When the scraper 25 scrapes the asphalt in the discharge port 12, the scraper 25 moves back and forth on the column 24, thereby increasing the area of ​​the asphalt scraped by the scraper 25 at the discharge port 12. S2: When paving the road with asphalt, the discharge port 12 discharges the asphalt onto the road surface, and the paving scraper 55 is located beside the discharge port 12. During the movement of the mobile frame 1, the driving shaft 15 between the two driving wheels 14 of the mobile frame 1 rotates to rotate the driving disc 43 on the driving shaft 15. The driving belt 44 between the driving disc 43 and the transmission disc 42 can drive the transmission disc 42 to rotate, and the transmission disc 42 can drive the transmission rod 41 to rotate, thereby causing the transmission gear 4 on the transmission rod 41 to rotate. 5 can drive the rotating gear 47 to rotate rapidly, thereby causing the reciprocating screw 46 to rotate rapidly. When the reciprocating screw 46 rotates, it drives the carrier frame 52 to move on the fixed rod 51. Under the pressure of the pressure spring 57 on the carrier rod 54, the paving scraper 55 on the carrier frame 52 will be in close contact with the surface of the paved road, thereby leveling the asphalt discharged from the discharge port 12. Subsequently, the leveled asphalt can be compacted by the pressure roller 13 provided at the bottom of the mobile frame 1. When the paving scraper 55 moves downward, the limit plate 56 pulls the connecting rod 59 to make the clamping frame 58 deflect on the supporting frame 52. When the connecting rod 59 pulls the clamping frame 58 to deflect, the clamping frame 58 drives the clamping rod 53 to rotate. At this time, the cam 63 on the clamping rod 53 will contact the end of the moving column 62, thereby making the moving column 62 be squeezed and slide on the support seat 61. The material preparation box 48 is connected to the material box 11. The two valves 610 on the material preparation box 48 respectively control the material preparation box 48 to be close to the opening of the material box 11 and the material port of the material preparation box 48. The initial setting of the material preparation box 48 is that the material port of the material preparation box 48 is in a closed state. When the surface encounters a depression, the cam 63 squeezes the moving column 62 to move, and the moving column 62 will drive the support rod 65 to move, and the support rod 65 will pull the pull rod 68 to move, and the two rotating frames 67 are set in opposite directions, and the two rotating frames 67 can rotate in opposite directions under the drive of the pull rod 68. When the two rotating frames 67 rotate in opposite directions, the two rotating frames 67 drive the rotating rod 66 to rotate, so that the rotating rod 66 controls the rotation of the two first bevel gears 69 in opposite directions, thereby making the rotation directions of the two second bevel gears 611 opposite. The rotation of the two second bevel gears 611 will respectively control the valve 610 located at the opening of the material box 11 to close, so that the material port of the material preparation box 48 is opened, and the asphalt stored in the cavity of the material preparation box 48 is discharged to the road surface, and the recessed area is filled with material under the drive of the paving scraper 55; S4: After the depression in the road surface is filled with material, the limit plate 56 is reset under the drive of the pressure spring 57, and then the clamping rod 53 is rotated and reset, and the movable column 62 is reset under the drive of the support spring 64, and the valve 610 at the material port of the preparation box 48 is closed, and the valve 610 at the opening of the preparation box 48 and the material box 11 is opened, and the preparation box 48 continues to store a certain amount of asphalt.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A road asphalt paving device, characterized in that: The invention comprises a horizontally arranged mobile frame (1), a material box (11) for storing asphalt being fixedly arranged on the top of the mobile frame (1), a material discharge port (12) being arranged on the bottom of the material box (11), a pressure roller (13) being arranged on the side of the bottom of the mobile frame (1) away from the material discharge port (12), a scraping device (2) being arranged on the top of the mobile frame (1), the scraping device (2) being slidably matched with the material discharge port (12) at the bottom of the material box (11), and a laying device (4) being rotatably arranged on the bottom of the mobile frame (1), the laying device (4) being located beside the material discharge port (12).

2. A road asphalt paving device according to claim 1, characterized in that: The scraper device (2) comprises a driving motor (21) fixedly connected to the top of the moving frame (1), the main shaft of the driving motor (21) is connected to a driving screw (22), a moving frame (23) is spirally arranged on the driving screw (22), the moving frame (23) is slidably matched with the top of the moving frame (1), a column (24) is fixedly arranged on the top of the moving frame (23), a scraper plate (25) is slidably arranged on the column (24), a connecting spring (26) is sleeved on the column (24), two ends of the connecting spring (26) are respectively connected to the bottom of the scraper plate (25) and the top of the moving frame (23), a baffle (27) is inserted into the discharge port (12) at the bottom of the material box (11), and a scraper member (3) is also arranged on the moving frame (23).

3. A road asphalt paving device according to claim 2, characterized in that: The scraper (3) comprises a sleeve (31) rotatably arranged on the side wall of the moving frame (23); the outer wall of the sleeve (31) is fixedly connected to a rotating gear (32); a limit rack (33) is fixedly arranged on the top of the moving frame (1); the rotating gear (32) meshes with the limit rack (33); a limit groove (34) and an arc groove (35) are also provided on the outer wall of the sleeve (31); the arc groove (35) and the limit groove (34) are connected; and moving rods (36) arranged opposite to each other are slidably arranged on the outer wall of the moving frame (23); the two moving rods (36) are arranged to move relative to each other. The movable rod (36) is located on both sides of the sleeve (31), and a clamping rod (37) is arranged on the movable rod (36) facing the limiting groove (34) and the arc groove (35) in the sleeve (31). The movable rod (36) is also sleeved with a resisting spring, and the two ends of the resisting spring are respectively connected to the outer wall of the movable frame (23) and the movable rod (36). The two movable rods (36) are fixedly connected with an inclined block (38) arranged in an inclined manner. The scraper plate (25) is rotatably provided with two limiting wheels (39), and the two limiting wheels (39) are respectively in contact with the inclined blocks (38) on the two movable rods (36).

4. A road asphalt paving device according to claim 1, characterized in that: Four driving wheels (14) are arranged at the bottom of the movable frame (1), and a driving shaft (15) is connected between two driving wheels (14) on one side close to the material discharge port (12). The laying device (4) comprises a transmission rod (41) rotatably arranged on the inner wall of the movable frame (1), a transmission disc (42) is fixedly connected to the transmission rod (41), a driving disc (43) is fixedly connected to the driving shaft (15), a driving belt (44) is sleeved between the driving disc (43) and the transmission disc (42), a transmission gear (45) is also fixedly connected to the transmission rod (41), a reciprocating screw rod (46) is rotatably arranged on the inner wall of the movable frame (1), a rotating gear (47) is fixedly connected to the reciprocating screw rod (46), and the transmission gear (45) is meshed with the rotating gear (47).

5. A road asphalt paving device according to claim 4, characterized in that: The laying device (4) further comprises a laying member (5) arranged on the reciprocating screw rod (46); a material preparation box (48) is fixedly connected to the inner top of the movable frame (1); the material preparation box (48) is communicated with the bottom of the material box (11); a material replenishing member (6) rotatably matched with the material preparation box (48) is arranged on the inner wall of the movable frame (1); and the laying member (5) and the material replenishing member (6) are in transmission cooperation with each other.

6. A road asphalt paving device according to claim 5, characterized in that: The laying member (5) comprises two fixed rods (51) fixedly connected to the bottom of the mobile frame (1), the two fixed rods (51) are respectively located on both sides of the reciprocating screw rod (46), the reciprocating screw rod (46) is provided with a spirally matched bearing frame (52), the bearing frame (52) and the two fixed rods (51) are slidably matched, and a clamping rod (53) is also rotatably provided on the inner wall of the mobile frame (1), the top of the bearing frame (52) is slidably matched with the bottom of the mobile frame (1), and a bearing rod (54) is correspondingly slidably provided on the bearing frame (52), and the bottoms of the two bearing rods (54) are fixedly connected with a laying scraper (55). ), the tops of the two bearing rods (54) are fixedly connected to a limiting plate (56), the limiting plate (56) is slidably matched with the bearing frame (52), the two bearing rods (54) are sleeved with a pressure spring (57), the two ends of the pressure spring (57) are respectively connected to the bottom of the limiting plate (56) and the top of the bearing frame (52), the bearing frame (52) is also rotatably provided with a clamping frame (58), the clamping frame (58) is clamped and matched with the clamping rod (53), the bottom of the limiting plate (56) is hingedly provided with a connecting rod (59), and the end of the connecting rod (59) away from the limiting plate (56) is hinged and matched with the clamping frame (58).

7. A road asphalt paving device according to claim 6, characterized in that: The material replenishing member (6) comprises a support seat (61) fixedly connected to the inner wall of the movable frame (1); a movable column (62) is slidably arranged on the support seat (61); a cam (63) is fixedly connected to the clamping rod (53) and contacts the movable column (62); a support spring (64) is connected between the movable column (62) and the support seat (61); a support rod (65) is fixedly connected to the outer wall of the movable column (62), and the support rod (65) is slidably matched with the support seat (61); a rotating rod (66) is rotatably connected to the support seat (61); The rods (66) are fixedly connected to rotating frames (67), and the rotating frames (67) arranged opposite to each other are arranged in opposite directions. A pull rod (68) is hingedly connected between the support rod (65) and the corresponding rotating frame (67). The two rotating rods (66) are fixedly connected to first bevel gears (69). The side walls of the material preparation box (48) are correspondingly provided with valves (610). The connecting ends of the two valves (610) on the material preparation box (48) are respectively fixedly connected to second bevel gears (611), and the first bevel gear (69) is meshed with the corresponding second bevel gear (611).

8. A method for using a road asphalt paving device, using the road asphalt paving device according to any one of claims 1 to 7, characterized in that: The steps include: S1: When cleaning the asphalt condensed at the discharge port (12) at the bottom of the material box (11), the scraper plate (25) is at the discharge port (12), and the driving motor (21) can make the driving screw (22) rotate, and the driving screw (22) rotates to drive the moving frame (23) to slide on the top of the moving frame (1). When the moving frame (23) slides, the scraper plate (25) can slide at the discharge port (12) under the drive of the column (24), and during the movement of the moving frame (23), under the restriction of the limit rack (33), the rotating gear (32) will drive the sleeve (31) to rotate, and the sleeve ( When the sleeve (31) rotates, the limiting groove (34) and the arc groove (35) on the sleeve (31) drive the clamping rod (37) to move the two moving rods (36), and the movement of the two moving rods (36) drives the inclined block (38) to move. When the inclined block (38) moves, the top of the inclined block (38) contacts the two limiting wheels (39) on the scraper plate (25), so that when the scraper plate (25) scrapes the asphalt in the discharge port (12) in the discharge port (12), the scraper plate (25) reciprocates on the column (24), thereby increasing the area of ​​the scraper plate (25) scraping the asphalt at the discharge port (12); S2: When asphalt is paved on the road, the discharge port (12) discharges asphalt onto the road surface, and the paving scraper (55) is located beside the discharge port (12). During the movement of the mobile frame (1), the drive shaft (15) between the two drive wheels (14) of the mobile frame (1) rotates to rotate the drive disc (43) on the drive shaft (15), and the drive belt (44) between the drive disc (43) and the transmission disc (42) can drive the transmission disc (42) to rotate, and the transmission disc (42) can drive the transmission rod (41) to rotate, thereby causing the transmission gear on the transmission rod (41) to rotate. The wheel (45) can drive the rotating gear (47) to rotate rapidly, thereby causing the reciprocating screw (46) to rotate rapidly. When the reciprocating screw (46) rotates, it drives the carrier frame (52) to move on the fixed rod (51). Under the pressure of the pressure spring (57) on the carrier rod (54), the paving scraper (55) on the carrier frame (52) is brought into close contact with the surface of the paved road surface, thereby flattening the asphalt discharged from the discharge port (12) in a mobile manner. Subsequently, the flattened asphalt can be compacted by the pressure roller (13) provided at the bottom of the mobile frame (1); S3: When the moving frame (1) encounters an uneven road surface during movement, the paving scraper (55) is driven by the pressure spring (57) to move downward toward the depression of the road surface. When the paving scraper (55) moves downward, the limit plate (56) pulls the connecting rod (59) to deflect the clamping frame (58) on the supporting frame (52). When the connecting rod (59) pulls the clamping frame (58) to deflect, the clamping frame (58) drives the clamping rod (53) to rotate. At this time, the cam (63) on the clamping rod (53) contacts the end of the movable column (62), thereby causing the movable column (62) to be squeezed and slide on the support seat (61), and the material preparation box (48) is connected to the material box (11). The two valves (610) on the material preparation box (48) respectively control the opening of the material preparation box (48) close to the material box (11) and the material port of the material preparation box (48). The initial setting of the material preparation box (48) is that the material port of the material preparation box (48) is closed. When the road surface encounters a depression, the cam (63) squeezes the movable column (62) to move, and the movable column (62) drives the support rod (65) to move, and the support rod (65) pulls the pull rod (68) to move, and the two rotating frames (67) are arranged in opposite directions, and then the two rotating frames (67) can rotate in opposite directions under the drive of the pull rod (68). When the two rotating frames (67) rotate in opposite directions, the two rotating frames (67) drive the rotating rod (66) to rotate, so that the rotating frames (67) rotate in opposite directions. The rotating rod (66) controls the two first bevel gears (69) to rotate in opposite directions, thereby causing the two second bevel gears (611) to rotate in opposite directions. The rotation of the two second bevel gears (611) controls the valves (610) located at the opening of the material box (11) to close, thereby opening the material opening of the material preparation box (48), thereby discharging the asphalt stored in the cavity of the material preparation box (48) onto the road surface, and the recessed area is supplemented with material under the drive of the paving scraper (55); S4: After the depression in the road surface is filled with asphalt, the limit plate (56) is reset under the drive of the pressure spring (57), and the clamping rod (53) is rotated and reset. The movable column (62) is reset under the drive of the support spring (64), and the valve (610) at the material inlet of the material preparation box (48) is closed. The valve (610) at the opening of the material preparation box (48) and the material box (11) is opened, and a certain amount of asphalt continues to be stored in the material preparation box (48).

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