Protective layer laying device of hot in-place recycling combined type road surface

Abstract

The utility model relates to the technical field of pavement paving devices, and provides a hot in-place recycling combined pavement protective layer paving device which comprises a paving assembly, and the paving assembly comprises a sweeping board, a material box, a feeding hopper, a through groove and a discharging pipe. By arranging the crushing structure and starting the driving motor, the driving motor drives the second crushing roller to rotate, the second crushing roller drives the driven gear to rotate through the driving gear, the driven gear drives the first crushing roller to rotate, the first crushing roller drives the first transmission wheel to rotate, and the first transmission wheel drives the second transmission wheel to rotate through the transmission belt. According to the hot in-place recycling combined type road surface protection layer laying device, old asphalt enters the interior of the material box from the feeding hopper, under the action of the first smashing roller and the second smashing roller, the old asphalt is conveniently and fully smashed so as to be conveniently mixed with new asphalt, the function that the device is convenient to smash is achieved, and therefore the applicability of the hot in-place recycling combined type road surface protection layer laying device in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road paving devices, in particular to a protective layer paving device for an in-situ heat-regenerated combined road surface. Background Art

[0002] With the continuous development of society, road construction has been gradually valued. In order to improve people's living standards, driving needs to be more comfortable and convenient. According to the different conditions of road damage, there are various types of repairs, and in-situ hot regeneration combination is one of them. In order to restore the flatness of the road surface and improve the performance of the road surface, a protective layer paving device of in-situ hot regeneration combination road surface is used;

[0003] The existing protective layer laying device for the in-situ hot-regeneration combined pavement is inconvenient to crush the old asphalt during use, which makes it inconvenient to evenly mix the old asphalt and the new asphalt, making it less suitable for use. Utility Model Content

[0004] The utility model aims to provide a protective layer paving device for an in-situ heat-regenerated combined pavement, so as to solve the defect that the existing protective layer paving device for the in-situ heat-regenerated combined pavement is inconvenient to crush old asphalt.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a protective layer paving device for an in-situ heat-regenerated combined pavement, comprising a paving assembly;

[0006] The laying assembly includes a car plate, a material box, a feed hopper, a through slot and a discharge pipe. The top of the car plate is provided with a scraping structure, a material box is fixed to the top of the car plate on one side of the scraping structure, a through slot is provided inside the car plate on the other side of the scraping structure, and a rolling structure is provided inside the through slot;

[0007] A feed hopper is fixed at the top of the material box, a discharge pipe is evenly fixed at the bottom of the material box, and a mixing structure is provided at the bottom of the material box;

[0008] A crushing structure is provided on the top of the material box, and the crushing structure includes a first crushing roller, a first transmission wheel, a transmission belt, a second transmission wheel, a second crushing roller, a driven gear, a driving gear and a driving motor. The first crushing roller is arranged inside the material box, and a second crushing roller is arranged on one side of the first crushing roller. A driving motor is installed on the outer wall of the material box at one end of the second crushing roller, and the other end of the second crushing roller extends to the outside of the material box and is fixed with a driving gear, one end of the first crushing roller extends to the outside of the material box and is fixed with a driven gear, and the other end of the first crushing roller extends to the outside of the material box and is fixed with a first transmission wheel, and a second transmission wheel is arranged on one side of the material box below the first transmission wheel, and a transmission belt is sleeved on the outer sides of the first transmission wheel and the second transmission wheel.

[0009] When using the device, by providing a crushing structure, the device is easy to crush, thereby improving the applicability of the protective layer paving device of the in-situ heat-regenerated composite pavement when in use; by providing a rolling structure, the device is easy to roll the pavement, thereby improving the stability of the protective layer paving device of the in-situ heat-regenerated composite pavement when in use; by providing a scraping structure, the device is easy to scrape the material, thereby improving the work efficiency of the protective layer paving device of the in-situ heat-regenerated composite pavement when in use; by providing a mixing structure, the device is easy to mix, thereby improving the convenience of the protective layer paving device of the in-situ heat-regenerated composite pavement when in use.

[0010] Preferably, the bottom end of the discharge pipe passes through the interior of the vehicle plate, and a discharge valve is installed on the top of the discharge pipe.

[0011] Preferably, the rolling structure includes a first support seat, a fixed frame, a rolling roller, a movable rod, a return spring and a limit plate. The fixed frame is arranged inside the through slot, a rolling roller is installed at the bottom of the fixed frame, a first support seat is fixed at the top of the vehicle plate above the through slot, movable rods are uniformly passed through the interior of the first support seat, the top of the movable rods are fixed with limit plates, and the outer side of the movable rods below the first support seat are sleeved with return springs. When the vehicle plate is moving, the rolling roller will rotate inside the fixed frame, and the height of the repaired road surface will cause the rolling roller to drive the fixed frame to move inside the through slot, and at this time, the bottom end of the rolling roller always contacts the road surface.

[0012] Preferably, the movable rod and the first support seat form a sliding structure, and the movable rod and the fixed frame form a telescopic structure through a reset spring. The fixed frame drives the movable rod to move inside the first support seat, and under the elastic force of the reset spring, the fixed frame drives the rolling roller to reset, and under the action of the limit plate, the movable rod is prevented from falling off from the first support seat.

[0013] Preferably, the scraper structure includes a second support seat, a scraper, an electric push rod and a guide rod, wherein the second support seat is fixed to the top of the vehicle plate, an electric push rod runs through the interior of the second support seat, and guide rods run through the interiors of the second support seats on both sides of the electric push rod, and the bottom end of the electric push rod passes through the vehicle plate and is fixed with a scraper. When the electric push rod is started, the electric push rod drives the scraper to move up and down, and the scraper drives the guide rod to move inside the second support seat and the vehicle plate.

[0014] Preferably, the bottom end of the guide rod passes through the vehicle plate and is fixedly connected to the top end of the scraper, and the guide rod, the second support seat and the vehicle plate form a sliding structure. Under the action of the guide rod, the stability of the scraper is enhanced when it moves, and under the action of the scraper, it is convenient to scrape the discharged materials flat for subsequent work.

[0015] Preferably, the mixing structure comprises a stirring shaft, a fixing seat and a stirring rod, wherein the stirring shaft is arranged inside the material box, the fixing seat is evenly fixed on the outside of the stirring shaft, and the stirring rod is evenly fixed on the outside of the fixing seat. When the second transmission wheel is working, the second transmission wheel drives the stirring shaft to rotate inside the material box, and the stirring shaft drives the stirring rod through the fixing seat to stir the material inside the material box.

[0016] Preferably, one end of the stirring shaft extends to the outside of the material box and is fixedly connected to one side of the second transmission wheel, and the stirring rods are distributed at equal intervals on the outside of the stirring shaft. Under the action of the stirring rods, the materials inside the material box can be fully mixed.

[0017] Preferably, one end of the second crushing roller extends to the outside of the material box and is fixedly connected to the output end of the driving motor, and the driven gear and the driving gear are meshed with each other. The driving motor is started, and the driving motor drives the second crushing roller to rotate, and the second crushing roller drives the driven gear to rotate through the driving gear, and the driven gear drives the first crushing roller to rotate, and the first crushing roller drives the first transmission wheel to rotate, and the first transmission wheel drives the second transmission wheel to rotate through the transmission belt, so that the old asphalt enters the interior of the material box from the feed hopper, and under the action of the first crushing roller and the second crushing roller, the old asphalt is fully crushed so as to be mixed with the new asphalt.

[0018] The utility model provides a protective layer paving device for an in-situ heat-regenerated combined road surface, which has the advantages of:

[0019] By providing a crushing structure, starting a driving motor, the driving motor drives the second crushing roller to rotate, the second crushing roller drives the driven gear to rotate through the driving gear, the driven gear drives the first crushing roller to rotate, the first crushing roller drives the first transmission wheel to rotate, the first transmission wheel drives the second transmission wheel to rotate through the transmission belt, and the old asphalt is fed from the feed hopper into the interior of the material box. Under the action of the first crushing roller and the second crushing roller, the old asphalt is fully crushed so as to be mixed with the new asphalt, thereby realizing the function of the device being easy to crush, thereby improving the applicability of the protective layer paving device of the in-situ hot regeneration combined pavement when in use;

[0020] By providing a rolling structure, when the vehicle plate is moving, the rolling roller will rotate inside the fixed frame, and the repaired road surface has a height, so that the rolling roller drives the fixed frame to move inside the through groove. At this time, the bottom end of the rolling roller always contacts the road surface, and the fixed frame drives the movable rod to move inside the first support seat. Under the elastic force of the reset spring, the fixed frame drives the rolling roller to reset, and under the action of the limit plate, the movable rod is prevented from falling off from the first support seat, so that the function of the device to facilitate rolling the road surface is realized, thereby improving the stability of the protective layer paving device of the in-situ hot regeneration combined road surface when in use;

[0021] By providing a scraping structure, starting the electric push rod, the electric push rod drives the scraper to move up and down, and the scraper drives the guide rod to move inside the second support seat and the vehicle plate. Under the action of the guide rod, the stability of the scraper when moving is enhanced. Under the action of the scraper, it is convenient to scrape the discharged material flat for subsequent work, and the function of the device to facilitate the flattening of the material is realized, thereby improving the working efficiency of the protective layer paving device of the in-situ hot regeneration combined pavement when in use;

[0022] By providing a mixing structure, when the second transmission wheel is working, the second transmission wheel drives the stirring shaft to rotate inside the material box, and the stirring shaft drives the stirring rod through the fixed seat to stir the material inside the material box. Under the action of the stirring rod, the material inside the material box is conveniently mixed fully, realizing the function of facilitating mixing of the device, thereby improving the convenience of the protective layer paving device of the in-situ hot regeneration combined pavement when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0025] Figure 3 It is a schematic diagram of a side cross-sectional structure of the hybrid structure of the utility model;

[0026] Figure 4It is a schematic diagram of a top view cross-sectional structure of a crushing structure of the utility model;

[0027] Figure 5 It is a schematic diagram of the side cross-sectional structure of the scraper structure of the utility model;

[0028] Figure 6 It is a schematic diagram of the side cross-sectional structure of the rolling structure of the utility model.

[0029] Explanation of the reference numerals in the figure: 1. laying assembly; 101. car plate; 102. material box; 103. feed hopper; 104. through groove; 105. discharge pipe; 2. rolling structure; 201. first support seat; 202. fixed frame; 203. rolling roller; 204. movable rod; 205. return spring; 206. limit plate; 3. scraper structure; 301. second support seat; 302. scraper; 303. electric push rod; 304. guide rod; 4. mixing structure; 401. stirring shaft; 402. fixed seat; 403. stirring rod; 5. crushing structure; 501. first crushing roller; 502. first transmission wheel; 503. transmission belt; 504. second transmission wheel; 505. second crushing roller; 506. driven gear; 507. driving gear; 508. driving motor. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 6 The utility model provides a protective layer paving device for an in-situ hot-regenerated combined pavement, comprising a paving assembly 1, the paving assembly 1 comprising a vehicle plate 101, a material box 102, a feed hopper 103, a through groove 104 and a discharge pipe 105, a scraper structure 3 is arranged at the top of the vehicle plate 101, the scraper structure 3 comprises a second support seat 301, a scraper 302, an electric push rod 303 and a guide rod 304, the second support seat 301 is fixed to the top of the vehicle plate 101, the interior of the second support seat 301 is penetrated by an electric push rod 303, the interiors of the second support seats 301 on both sides of the electric push rod 303 are penetrated by guide rods 304, the bottom end of the electric push rod 303 passes through the vehicle plate 101 and is fixed with a scraper 302, the bottom end of the guide rod 304 passes through the vehicle plate 101 and is fixedly connected to the top of the scraper 302, and the guide rod 304, the second support seat 301 and the vehicle plate 101 form a sliding structure.

[0032] Reference Figure 2 and Figure 5 As shown, the electric push rod 303 is started, and the electric push rod 303 drives the scraper 302 to move up and down. The scraper 302 drives the guide rod 304 to move inside the second support seat 301 and the vehicle plate 101. Under the action of the guide rod 304, the stability of the scraper 302 during movement is enhanced. Under the action of the scraper 302, the discharged material can be scraped flat for subsequent work.

[0033] A material box 102 is fixed to the top of the car plate 101 on one side of the scraper structure 3, and a through groove 104 is arranged inside the car plate 101 on the other side of the scraper structure 3. A rolling structure 2 is arranged inside the through groove 104. The rolling structure 2 includes a first support seat 201, a fixed frame 202, a rolling roller 203, a movable rod 204, a return spring 205 and a limit plate 206. The fixed frame 202 is arranged inside the through groove 104, and a rolling roller 203 is installed at the bottom of the fixed frame 202. A first support seat 201 is fixed to the top of the car plate 101 above the through groove 104, and movable rods 204 are evenly penetrated inside the first support seat 201. Limiting plates 206 are fixed to the top of the movable rods 204, and return springs 205 are arranged on the outer sides of the movable rods 204 below the first support seat 201. The movable rod 204 and the first support seat 201 constitute a sliding structure, and the movable rod 204 and the fixed frame 202 constitute a telescopic structure through the return spring 205.

[0034] Reference Figure 2 and Figure 6 As shown, when the vehicle plate 101 is moving, the rolling roller 203 will rotate inside the fixed frame 202. Due to the height of the repaired road surface, the rolling roller 203 drives the fixed frame 202 to move inside the through groove 104. At this time, the bottom end of the rolling roller 203 is always in contact with the road surface, and the fixed frame 202 drives the movable rod 204 to move inside the first support seat 201. Under the elastic force of the reset spring 205, the fixed frame 202 drives the rolling roller 203 to reset. Under the action of the limit plate 206, the movable rod 204 is prevented from falling off from the first support seat 201.

[0035] A feed hopper 103 is fixed to the top of the material box 102, a discharge pipe 105 is evenly fixed to the bottom of the material box 102, a mixing structure 4 is arranged at the bottom of the material box 102, the mixing structure 4 includes a stirring shaft 401, a fixed seat 402 and a stirring rod 403, the stirring shaft 401 is arranged inside the material box 102, the fixed seat 402 is evenly fixed to the outside of the stirring shaft 401, the stirring rod 403 is evenly fixed to the outside of the fixed seat 402, one end of the stirring shaft 401 extends to the outside of the material box 102 and is fixedly connected to one side of the second transmission wheel 504, the stirring rods 403 are evenly distributed on the outside of the stirring shaft 401, the bottom end of the discharge pipe 105 passes through the inside of the vehicle plate 101, and a discharge valve is installed on the top of the discharge pipe 105.

[0036] Reference Figure 2 and Figure 3 As shown, when the second transmission wheel 504 is working, the second transmission wheel 504 drives the stirring shaft 401 to rotate inside the material box 102, and the stirring shaft 401 drives the stirring rod 403 to stir the material inside the material box 102 through the fixed seat 402. Under the action of the stirring rod 403, the material inside the material box 102 is conveniently mixed fully.

[0037] A crushing structure 5 is provided on the top of the material box 102, and the crushing structure 5 includes a first crushing roller 501, a first transmission wheel 502, a transmission belt 503, a second transmission wheel 504, a second crushing roller 505, a driven gear 506, a driving gear 507 and a driving motor 508. The first crushing roller 501 is provided inside the material box 102, and a second crushing roller 505 is provided on one side of the first crushing roller 501. The driving motor 508 is installed on the outer wall of the material box 102 at one end of the second crushing roller 505, and the other end of the second crushing roller 505 extends to the outside of the material box 102 and is fixed with a driving gear. 507, one end of the first pulverizing roller 501 extends to the outside of the material box 102 and is fixed with a driven gear 506, the other end of the first pulverizing roller 501 extends to the outside of the material box 102 and is fixed with a first transmission wheel 502, a second transmission wheel 504 is provided on one side of the material box 102 below the first transmission wheel 502, and transmission belts 503 are sleeved on the outer sides of the first transmission wheel 502 and the second transmission wheel 504, one end of the second pulverizing roller 505 extends to the outside of the material box 102 and is fixedly connected to the output end of the driving motor 508, and the driven gear 506 and the driving gear 507 are meshed with each other.

[0038] Reference Figure 3 and Figure 4 As shown, the drive motor 508 is started, and the drive motor 508 drives the second crushing roller 505 to rotate, and the second crushing roller 505 drives the driven gear 506 to rotate through the driving gear 507, and the driven gear 506 drives the first crushing roller 501 to rotate, and the first crushing roller 501 drives the first transmission wheel 502 to rotate, and the first transmission wheel 502 drives the second transmission wheel 504 to rotate through the transmission belt 503, so that the old asphalt is introduced from the feed hopper 103 into the interior of the material box 102. Under the action of the first crushing roller 501 and the second crushing roller 505, the old asphalt is fully crushed so as to be mixed with the new asphalt.

[0039] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A protective layer paving device for an in-situ heat-regenerated composite pavement, comprising a paving assembly (1); Features: The laying assembly (1) comprises a vehicle plate (101), a material box (102), a feed hopper (103), a through groove (104) and a discharge pipe (105); a scraping structure (3) is arranged at the top of the vehicle plate (101); a material box (102) is fixed to the top of the vehicle plate (101) on one side of the scraping structure (3); a through groove (104) is arranged inside the vehicle plate (101) on the other side of the scraping structure (3); and a rolling structure (2) is arranged inside the through groove (104); A feed hopper (103) is fixed at the top of the material box (102), a discharge pipe (105) is evenly fixed at the bottom of the material box (102), and a mixing structure (4) is provided at the bottom of the material box (102); A pulverizing structure (5) is arranged on the top of the material box (102), and the pulverizing structure (5) comprises a first pulverizing roller (501), a first transmission wheel (502), a transmission belt (503), a second transmission wheel (504), a second pulverizing roller (505), a driven gear (506), a driving gear (507) and a driving motor (508), wherein the first pulverizing roller (501) is arranged inside the material box (102), a second pulverizing roller (505) is arranged on one side of the first pulverizing roller (501), and a driving motor (508) is installed on the outer wall of the material box (102) at one end of the second pulverizing roller (505). ), the other end of the second crushing roller (505) extends to the outside of the material box (102) and is fixed with a driving gear (507), one end of the first crushing roller (501) extends to the outside of the material box (102) and is fixed with a driven gear (506), the other end of the first crushing roller (501) extends to the outside of the material box (102) and is fixed with a first transmission wheel (502), a second transmission wheel (504) is arranged on one side of the material box (102) below the first transmission wheel (502), and transmission belts (503) are sleeved on the outer sides of the first transmission wheel (502) and the second transmission wheel (504).

2. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 1 is characterized in that: The bottom end of the discharge pipe (105) passes through the interior of the vehicle plate (101), and a discharge valve is installed on the top of the discharge pipe (105).

3. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 1 is characterized in that: The rolling structure (2) comprises a first support seat (201), a fixed frame (202), a rolling roller (203), a movable rod (204), a return spring (205) and a limit plate (206); the fixed frame (202) is arranged inside the through slot (104); the rolling roller (203) is installed at the bottom of the fixed frame (202); the first support seat (201) is fixed to the top of the vehicle plate (101) above the through slot (104); the movable rods (204) are uniformly passed through the inside of the first support seat (201); the limit plates (206) are fixed to the top of the movable rods (204); and the return springs (205) are sleeved on the outer sides of the movable rods (204) below the first support seat (201).

4. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 3 is characterized in that: The movable rod (204) and the first support seat (201) form a sliding structure, and the movable rod (204) and the fixed frame (202) form a telescopic structure via a return spring (205).

5. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 1, characterized in that: The scraper structure (3) comprises a second support seat (301), a scraper (302), an electric push rod (303) and a guide rod (304); the second support seat (301) is fixed to the top of the vehicle plate (101); the electric push rod (303) runs through the interior of the second support seat (301); guide rods (304) run through the interiors of the second support seats (301) on both sides of the electric push rod (303); the bottom end of the electric push rod (303) passes through the vehicle plate (101) and is fixed with the scraper (302).

6. The protective layer laying device for the in-situ heat-regenerated combined pavement according to claim 5 is characterized in that: The bottom end of the guide rod (304) passes through the vehicle plate (101) and is fixedly connected to the top end of the scraper plate (302); the guide rod (304), the second support seat (301) and the vehicle plate (101) form a sliding structure.

7. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 1 is characterized in that: The mixing structure (4) comprises a stirring shaft (401), a fixing seat (402) and a stirring rod (403); the stirring shaft (401) is arranged inside the material box (102); the fixing seat (402) is evenly fixed on the outside of the stirring shaft (401); and the stirring rod (403) is evenly fixed on the outside of the fixing seat (402).

8. The protective layer paving device for an in-situ heat-regenerated combined pavement according to claim 7, characterized in that: One end of the stirring shaft (401) extends to the outside of the material box (102) and is fixedly connected to one side of the second transmission wheel (504), and the stirring rods (403) are distributed at equal intervals on the outside of the stirring shaft (401).

9. The protective layer laying device for the in-situ heat-regenerated combined pavement according to claim 1 is characterized in that: One end of the second pulverizing roller (505) extends to the outside of the material box (102) and is fixedly connected to the output end of the driving motor (508), and the driven gear (506) and the driving gear (507) are meshed with each other.

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