Asphalt pavement seal coat maintenance device

Abstract

The utility model discloses an asphalt pavement sealing layer maintenance device which comprises a material storage box arranged above a device main body, a feeding hopper is arranged at the upper end of the material storage box, and a blanking valve is arranged at the lower end of the material storage box; the material distributing frame is arranged below the device main body, a material falling pipe is arranged between the material distributing frame and the material falling valve, and a discharging nozzle is arranged at the lower end of the material distributing frame; the mounting cavity is formed in the lower end of the device body, a mounting frame is arranged in the mounting cavity, a hollow pressing roller is arranged below the mounting frame, springs are arranged on the upper portions and the lower portions of the two ends of the mounting frame correspondingly, and the two ends of each spring are fixedly connected with the device body and the mounting frame correspondingly; the seal coat maintenance device can quickly and uniformly spray the maintenance material onto the pavement, and the hollow compression roller is used as a compaction tool, so that the pavement is transversely and uniformly stressed, the maintenance material can be quickly compacted, the flatness of the compacted pavement is ensured, and the seal coat maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of asphalt pavement sealing layer maintenance, in particular to an asphalt pavement sealing layer maintenance device. Background Art

[0002] Asphalt is a dark brown complex mixture of hydrocarbons of different molecular weights and their non-metallic derivatives. It is a kind of high-viscosity organic liquid. Asphalt is a waterproof, moisture-proof and anti-corrosive organic gelling material. It mostly exists in the form of asphalt or tar, with a black surface and soluble in carbon disulfide. It is mainly divided into three types: coal tar asphalt, petroleum asphalt and natural asphalt. It is mainly used in industries such as coatings, plastics, rubber, and pavement. Pavement seal maintenance is a measure taken to prevent early damage to the pavement and delay the process of pavement damage. Its purpose is to delay the damage of the pavement and increase the service life of the pavement.

[0003] The Chinese patent publication number is CN208717691U, and the authorization announcement date is April 9, 2019. An asphalt pavement coating and sealing construction device includes an asphalt vehicle body, and the upper surface of the asphalt vehicle body transport box is installed with a motor, a collection box, a compacting device and a storage chamber from left to right in sequence. The compacting device includes a support frame, a rack, a slider, a fan gear, a push rod, a slide rail, a moving frame, a reduction motor and a tamping body. The support frame is arranged on the upper surface of the transport box, and the top of the support frame is provided with the slide rail. Beneficial effects: Through the compacting device, the foundation can be compacted before the asphalt is laid, so that the asphalt road is more stable and durable; through the mutual cooperation between the storage chamber, the discharge nozzle and the discharge pipe, the asphalt can be evenly sprayed on the road; through the cooperation between the collection box, the exhaust fan and the suction cup, the dust on the road can be removed, so that the asphalt road and the road surface are paved more densely and the service life is extended.

[0004] The existing maintenance device first sprays the maintenance material onto the road surface, and then compacts the sprayed maintenance material through the compacting device. The spraying mechanism cannot quickly and evenly spray the maintenance material onto the road surface, making the subsequently compacted road surface uneven, reducing the quality of the asphalt road, not conducive to long-term use, and unable to meet the use requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an asphalt pavement sealing maintenance device to solve the problem proposed in the above background technology that the existing maintenance device first sprays the maintenance material onto the road surface, and then compacts the sprayed maintenance material through a compaction device, and the material spraying mechanism cannot quickly and evenly spray the maintenance material onto the road surface, so that the subsequently compacted road surface is uneven, which reduces the quality of the asphalt road, is not conducive to long-term use, and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt pavement sealing layer maintenance device, including a device body, and also including:

[0007] A material storage box is arranged above the device body, and the material storage box is fixedly connected to the device body, a feeding hopper is arranged at the upper end of the material storage box, and the feeding hopper and the material storage box are connected as one body, and a blanking valve is arranged at the lower end of the material storage box, and the blanking valve and the material storage box are connected as one body;

[0008] A material distribution rack is arranged below the main body of the device, a material drop pipe is arranged between the material distribution rack and the material drop valve, and both ends of the material drop pipe are respectively connected to the material distribution rack and the material drop pipe as a whole, and a material discharge nozzle is arranged at the lower end of the material distribution rack, and at least five material discharge nozzles are arranged at equal distances at the lower end of the material distribution rack;

[0009] A mounting cavity is arranged at the lower end of the device body, a mounting frame is arranged inside the mounting cavity, and the mounting frame is slidably connected to the device body, the cross-section of the mounting frame is U-shaped, a hollow pressure roller is arranged below the mounting frame, and the hollow pressure roller is rotatably connected to the mounting frame, springs are arranged above and below both ends of the mounting frame, and the springs are arranged inside the mounting cavity, and the two ends of the spring are respectively fixedly connected to the device body and the mounting frame.

[0010] Preferably, a dust box is provided above the device body, an exhaust fan is provided on one side of the dust box, and the dust box and the exhaust fan are fixedly connected to the device body, an exhaust hood is provided below the device body, an air duct is provided between the exhaust fan and the dust box and the exhaust hood, and second electric push rods are provided above both ends of the exhaust hood, two second electric push rods are provided, and both ends of the second electric push rods are fixedly connected to the device body and the exhaust hood, respectively.

[0011] Preferably, a scraper is provided on one side of the material distribution rack, and the scraper is fixedly connected to the material distribution rack.

[0012] Preferably, first electric push rods are provided above both ends of the material distribution rack, two first electric push rods are provided, and both ends of the first electric push rods are fixedly connected to the device body and the material distribution rack respectively.

[0013] Preferably, an anti-skid sleeve is arranged outside the hollow pressing roller, and the anti-skid sleeve is arranged integrally with the hollow pressing roller; a metal rod is arranged inside the hollow pressing roller, and the metal rod is rollingly connected to the hollow pressing roller.

[0014] Preferably, a motor is arranged above the storage box, and the motor is connected to the storage box by screws, a spiral shaft is arranged inside the storage box, and one end of the spiral shaft is connected to the output end of the motor, the spiral shaft is rotatably connected to the storage box, and the spiral shaft is arranged directly above the blanking valve.

[0015] Preferably, a walking wheel mechanism is provided below the device body, four walking wheel mechanisms are provided, and the walking wheel mechanism is fixedly connected to the device body, the four walking wheel mechanisms are provided at the four corners of the device body, and a connecting frame is provided on one side of the device body, and the connecting frame is fixedly connected to the device body.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model device can spray the curing material onto the road surface through the arrangement of the material distribution rack, the material discharging nozzle and the scraper. The material distribution rack and the material discharging nozzle can quickly flatten the curing material sprayed onto the road surface, and flattening the curing material is conducive to subsequent compaction;

[0018] 2. The utility model device is provided with a hollow pressure roller, a spring and a metal rod. The hollow pressure roller rolls accordingly with the movement of the device. When the rolling hollow pressure roller contacts the curing material sprayed on the road surface, pressure is applied to the curing material. Under the action of pressure, the curing material is compacted and better combined with the ground, thereby realizing the maintenance of the asphalt pavement seal layer.

[0019] 3. The utility model device is equipped with a dust collecting box, an exhaust fan and an exhaust hood. The exhaust fan generates suction, which can suck dust and impurities on the road surface into the exhaust hood and send them into the dust collecting box along the air duct, so that the maintenance material and the road surface are better combined, and the extracted dust and impurities are collected centrally with the help of the dust collecting box. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 For the utility model Figure 1 A partial enlarged view of area A;

[0022] Figure 3 It is a bottom view of the utility model;

[0023] Figure 4 This is a diagram showing the connection between the material storage box and the material distribution rack and the device body of the utility model;

[0024] Figure 5 This is a diagram showing the connection relationship between the hollow pressure roller and the device body of the utility model.

[0025] In the figure: 1. Device body; 2. Travel wheel mechanism; 3. Connecting frame; 4. Storage box; 5. Feeding hopper; 6. Motor; 7. Dust collecting box; 8. Exhaust fan; 9. Mounting frame; 10. Hollow pressure roller; 11. Exhaust hood; 12. Material distribution frame; 13. Discharge nozzle; 14. Scraper; 15. First electric push rod; 16. Dropping pipe; 17. Air guide pipe; 18. Second electric push rod; 19. Mounting cavity; 20. Screw shaft; 21. Dropping valve; 22. Spring; 23. Anti-slip sleeve; 24. Metal rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment: an asphalt pavement sealing layer maintenance device, including a device body 1, and also including:

[0028] A material storage box 4 is arranged above the device body 1, and the material storage box 4 is fixedly connected to the device body 1, a hopper 5 is arranged at the upper end of the material storage box 4, and the hopper 5 is connected to the material storage box 4 as a whole, and a blanking valve 21 is arranged at the lower end of the material storage box 4, and the blanking valve 21 is connected to the material storage box 4 as a whole;

[0029] A material distribution rack 12 is arranged below the device body 1, a material drop pipe 16 is arranged between the material distribution rack 12 and the material drop valve 21, and both ends of the material drop pipe 16 are respectively connected to the material distribution rack 12 and the material drop pipe 16 as a whole, and a material discharge nozzle 13 is arranged at the lower end of the material distribution rack 12, and at least five material discharge nozzles 13 are arranged, and the material discharge nozzles 13 are equidistantly arranged at the lower end of the material distribution rack 12;

[0030] The mounting cavity 19 is arranged at the lower end of the device body 1, and a mounting frame 9 is arranged inside the mounting cavity 19, and the mounting frame 9 is slidably connected to the device body 1, and the cross-section of the mounting frame 9 is arranged in a U-shape, and a hollow pressure roller 10 is arranged below the mounting frame 9, and the hollow pressure roller 10 is rotatably connected to the mounting frame 9, and springs 22 are arranged at the upper and lower ends of both ends of the mounting frame 9, and the spring 22 is arranged inside the mounting cavity 19, and the two ends of the spring 22 are respectively fixedly connected to the device body 1 and the mounting frame 9.

[0031] During use: first add the curing material from the feeding hopper 5 into the storage box 4, open the discharge valve 21, and the curing material falls into the distribution rack 12 along the discharge pipe 16, and then is sprayed onto the ground from the discharge nozzle 13. There are five discharge nozzles 13, which can well spray the curing material evenly onto the ground. The hollow pressure roller 10 applies pressure to the curing material sprayed onto the ground. Under the action of pressure, the curing material is compacted and better combined with the ground, thereby realizing the maintenance of the asphalt pavement seal layer.

[0032] See also Figure 1 and Figure 2 A dust collecting box 7 is arranged above the device body 1, and an exhaust fan 8 is arranged on one side of the dust collecting box 7, and the dust collecting box 7 and the exhaust fan 8 are fixedly connected to the device body 1, and an exhaust hood 11 is arranged below the device body 1, and an air guide pipe 17 is arranged between the exhaust fan 8 and the dust collecting box 7 and the exhaust hood 11, and second electric push rods 18 are arranged above both ends of the exhaust hood 11, and two second electric push rods 18 are arranged, and the two ends of the second electric push rods 18 are respectively fixedly connected to the device body 1 and the exhaust hood 11, and dust impurities on the road surface are extracted by the exhaust fan 8 and the exhaust hood 11, and the extracted dust impurities are collected centrally with the help of the dust collecting box 7, and the second electric push rod 18 drives the exhaust hood 11 to rise and fall, which can adapt to dust extraction on different terrains and roads.

[0033] See also Figure 1 and Figure 2 A scraper 14 is provided on one side of the material distribution frame 12, and the scraper 14 is fixedly connected to the material distribution frame 12. The scraper 14 scrapes the curing material sprayed on the road surface to evenly spread the curing material for subsequent compaction.

[0034] See also Figure 1 , Figure 2 and Figure 4 A first electric push rod 15 is arranged above both ends of the material distribution frame 12. Two first electric push rods 15 are arranged, and both ends of the first electric push rod 15 are respectively fixedly connected to the device body 1 and the material distribution frame 12. The first electric push rod 15 drives the material distribution frame 12 to rise and fall, thereby changing the height of the material distribution frame 12 and the road surface.

[0035] See also Figure 1 and Figure 5 A non-slip sleeve 23 is provided on the outside of the hollow pressing roller 10, and the non-slip sleeve 23 is integrated with the hollow pressing roller 10. A metal rod 24 is provided inside the hollow pressing roller 10, and the metal rod 24 is rollingly connected to the hollow pressing roller 10. When the hollow pressing roller 10 rotates, the metal rod 24 impacts the lower end of the hollow pressing roller 10 to better compact the curing material.

[0036] See also Figure 1 and Figure 4A motor 6 is arranged above the storage box 4, and the motor 6 is connected to the storage box 4 by screws. A spiral shaft 20 is arranged inside the storage box 4, and one end of the spiral shaft 20 is connected to the output end of the motor 6. The spiral shaft 20 is rotatably connected to the storage box 4, and the spiral shaft 20 is arranged just above the blanking valve 21. The spiral shaft 20 is driven to rotate by the motor 6, and the spiral shaft 20 stirs the curing material to prevent the curing material from accumulating and causing blockage.

[0037] See also Figure 1 and Figure 3 A walking wheel mechanism 2 is arranged below the device body 1, and four walking wheel mechanisms 2 are arranged, and the walking wheel mechanisms 2 are fixedly connected to the device body 1. The four walking wheel mechanisms 2 are arranged at the four corners of the device body 1. A connecting frame 3 is arranged on one side of the device body 1, and the connecting frame 3 is fixedly connected to the device body 1. The maintenance device can be moved through the walking wheel mechanism 2, and then the maintenance treatment can be continuously performed along the road surface.

[0038] Working principle: Turn on the exhaust fan 8 to extract the dust and impurities on the road surface, collect the extracted dust and impurities with the help of the dust collecting box 7, add the curing material from the feeding hopper 5 to the storage box 4, open the discharge valve 21, and the curing material falls into the distribution rack 12 along the discharge pipe 16, and then is sprayed onto the ground from the discharge nozzle 13. There are five discharge nozzles 13, which can well spray the curing material evenly onto the ground. The scraper 14 scrapes the curing material sprayed on the road surface and spreads the curing material evenly; the movement of the curing device can be realized by the walking wheel mechanism 2. When the device moves, it will drive the hollow pressure roller 10 to roll. The rolling hollow pressure roller 10 contacts and applies pressure to the curing material sprayed on the ground. Under the action of pressure, the curing material is compacted, and the metal rod 24 impacts the lower end of the hollow pressure roller 10 when the hollow pressure roller 10 rotates, so as to better combine with the ground and realize the maintenance of the asphalt pavement sealing layer.

[0039] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt pavement seal maintenance device, comprising a device body (1), characterized in that: Also includes: A material storage box (4) is arranged above the device body (1), and the material storage box (4) is fixedly connected to the device body (1); a feeding hopper (5) is arranged at the upper end of the material storage box (4), and the feeding hopper (5) and the material storage box (4) are connected as a whole; a material discharge valve (21) is arranged at the lower end of the material storage box (4), and the material discharge valve (21) and the material storage box (4) are connected as a whole; A material distribution rack (12) is arranged below the device body (1), a material drop pipe (16) is arranged between the material distribution rack (12) and the material drop valve (21), and both ends of the material drop pipe (16) are respectively connected to the material distribution rack (12) and the material drop pipe (16) as a whole, and a material discharge nozzle (13) is arranged at the lower end of the material distribution rack (12), and at least five material discharge nozzles (13) are arranged, and the material discharge nozzles (13) are arranged at equal distances at the lower end of the material distribution rack (12); A mounting cavity (19) is arranged at the lower end of the device body (1); a mounting frame (9) is arranged inside the mounting cavity (19), and the mounting frame (9) is slidably connected to the device body (1); the cross section of the mounting frame (9) is U-shaped; a hollow pressure roller (10) is arranged below the mounting frame (9), and the hollow pressure roller (10) is rotatably connected to the mounting frame (9); springs (22) are arranged above and below both ends of the mounting frame (9), and the springs (22) are arranged inside the mounting cavity (19); and the two ends of the spring (22) are respectively fixedly connected to the device body (1) and the mounting frame (9).

2. The asphalt pavement seal maintenance device according to claim 1, characterized in that: A dust collecting box (7) is arranged above the device body (1), an exhaust fan (8) is arranged on one side of the dust collecting box (7), and the dust collecting box (7) and the exhaust fan (8) are fixedly connected to the device body (1), an exhaust hood (11) is arranged below the device body (1), an air guide pipe (17) is arranged between the exhaust fan (8) and the dust collecting box (7) and the exhaust hood (11), and second electric push rods (18) are arranged above both ends of the exhaust hood (11), two second electric push rods (18) are arranged, and the two ends of the second electric push rods (18) are respectively fixedly connected to the device body (1) and the exhaust hood (11).

3. The asphalt pavement seal maintenance device according to claim 1, characterized in that: A scraper (14) is provided on one side of the material distribution frame (12), and the scraper (14) is fixedly connected to the material distribution frame (12).

4. The asphalt pavement seal layer maintenance device according to claim 1, characterized in that: A first electric push rod (15) is provided above both ends of the material distribution frame (12), two first electric push rods (15) are provided, and both ends of the first electric push rod (15) are fixedly connected to the device body (1) and the material distribution frame (12) respectively.

5. The asphalt pavement seal maintenance device according to claim 1, characterized in that: The outside of the hollow pressing roller (10) is provided with an anti-slip sleeve (23), and the anti-slip sleeve (23) and the hollow pressing roller (10) are arranged as a whole; the inside of the hollow pressing roller (10) is provided with a metal rod (24), and the metal rod (24) is rollingly connected to the hollow pressing roller (10).

6. The asphalt pavement seal layer maintenance device according to claim 1, characterized in that: A motor (6) is arranged above the material storage box (4), and the motor (6) is connected to the material storage box (4) by means of screws. A screw shaft (20) is arranged inside the material storage box (4), and one end of the screw shaft (20) is connected to the output end of the motor (6). The screw shaft (20) is rotatably connected to the material storage box (4), and the screw shaft (20) is arranged directly above the blanking valve (21).

7. The asphalt pavement seal layer maintenance device according to claim 1, characterized in that: A walking wheel mechanism (2) is arranged below the device body (1); four walking wheel mechanisms (2) are arranged, and the walking wheel mechanisms (2) are fixedly connected to the device body (1); the four walking wheel mechanisms (2) are arranged at the four corners of the device body (1); a connecting frame (3) is arranged on one side of the device body (1), and the connecting frame (3) is fixedly connected to the device body (1).

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