Pavement asphalt paving device
By introducing a mixing and auger mechanism into the asphalt paving device, the problem of large-particle stones affecting the paving quality was solved, and full material refinement and efficient construction were achieved.
Patent Information
- Application Number
- CN202422728517.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-09
- Publication Date
- 2025-09-26
- Estimated Expiration
- 2034-11-09
AI Technical Summary
The existing road asphalt paving equipment is not equipped with an asphalt fine screening mechanism, resulting in the presence of large-particle stones or lumps, affecting the paving quality and efficiency.
A road asphalt paving device including a mixing mechanism and an auger mechanism is designed. The crushing blades and the stirring rod are used to initially crush the material, and the screen plate vibrates to screen the suitable particles. The material that does not pass through enters the auger to be crushed again to ensure the material is refined.
It improves the quality and efficiency of asphalt paving, ensures the smooth progress of the next leveling process, and improves production quality.
Smart Images

Figure CN223386509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road construction, in particular to a road asphalt paving device. Background Art
[0002] After a highway is built and opened to traffic, its quality gradually deteriorates due to wear and impact from wheels, erosion and weathering from natural forces such as rainstorms, floods, sandstorms, ice and snow, sunlight, and ice melt, as well as human damage and certain defects left over from construction. Maintenance focuses on repairing damaged areas. When road surface damage seriously affects traffic flow and driving safety, resurfacing the asphalt pavement can be a solution. This requires an asphalt paving device. The asphalt paving device generally includes a storage mechanism, a conveying mechanism, and a leveling mechanism.
[0003] Asphalt contains solid substances such as gravel, and is prone to agglomeration during production and transportation. The asphalt laid on the road must be finely crushed and easy to level. Most of the existing asphalt paving devices on the road are not equipped with an asphalt fine screening mechanism, resulting in the presence of large particles of stone or large agglomerates in the laid asphalt, which affects the leveling process after paving is completed, reduces work efficiency, and reduces production quality. Utility Model Content
[0004] In order to make up for the above deficiencies, the utility model provides a road asphalt paving device, which aims to improve the problems of reduced operating efficiency and reduced production quality caused by the lack of an asphalt fine screening mechanism.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a road asphalt paving device, including a chassis, the top of the chassis is fixedly connected to a material barrel, the top of the material barrel is fixedly connected to a motor, the output end of the motor is fixedly connected to a stirring shaft, the interior of the material barrel is fixedly connected to a positioning sleeve, the interior of the positioning sleeve is slidingly connected to a sieve plate, the bottom end of the sieve plate is fixedly connected to a spring, the outside of the stirring shaft is fixedly connected to a driving gear, the interior of the material barrel is rotatably connected to a connecting shaft, the middle part of the connecting shaft is fixedly connected to a cam, the end of the connecting shaft close to the stirring shaft is fixedly connected to a driven gear, the driving gear is meshed with the driven gear, the outside of the cam is fixedly connected to a connecting rod, a stirring mechanism is provided inside the material barrel, and a auger mechanism is provided on one side of the material barrel.
[0006] As a further description of the above technical solution:
[0007] The stirring mechanism includes a crushing blade, the middle part of the crushing blade is fixedly connected to the outside of the stirring shaft, the outside of the stirring shaft is fixedly connected to a plurality of stirring rods, and the inner bottom end of the barrel is fixedly connected to a discharge barrel.
[0008] As a further description of the above technical solution:
[0009] The auger mechanism includes an auger, a fixed block is fixedly connected to the outside of the barrel, the side of the fixed block away from the barrel is fixedly connected to the side of the auger, the top end of the outside of the barrel is fixedly connected to a return channel, the side of the return channel away from the barrel is fixedly connected to the side of the auger, and the bottom end of the outside of the barrel is fixedly connected to a feeding channel, and the side of the feeding channel away from the barrel is fixedly connected to the side of the auger.
[0010] As a further description of the above technical solution:
[0011] A water pump is fixedly connected to the top of the chassis, a connecting pipe is fixedly connected to the input end of the water pump, an end of the connecting pipe away from the water pump is fixedly connected to one side of the material barrel, and a discharge pipe is fixedly connected to the input end of the water pump.
[0012] As a further description of the above technical solution:
[0013] One side of the chassis is fixedly connected to an engine, an output end of the engine is fixedly connected to a main shaft, and both ends of the main shaft are fixedly connected to tires.
[0014] As a further description of the above technical solution:
[0015] The outside of the discharge pipe is fixedly connected with a fixed shaft, and pressure rollers are rotatably connected between the two ends of the fixed shaft.
[0016] As a further description of the above technical solution:
[0017] The middle portion of the sieve plate is slidably connected to the outside of the stirring shaft, and the bottom end of the spring is fixedly connected to the outside of the stirring shaft.
[0018] As a further description of the above technical solution:
[0019] One end of the connecting pipe away from the water pump passes through one side of the material barrel, and one end of the discharge pipe away from the water pump is provided with a protective sleeve.
[0020] The utility model has the following beneficial effects:
[0021] In the utility model, by starting the motor, the crushing blades will initially crush the material falling into the material barrel, and then the material will be further crushed and refined by the stirring rod and fall onto the screen plate. The active gear on the stirring rod drives the driven gear to rotate the cam to make the screen plate vibrate up and down, which has the effect of crushing and finely screening the asphalt, ensuring that the asphalt laid on the road surface will not affect the construction of the next leveling process, thereby improving work efficiency and production quality.
[0022] In the utility model, the material that is not crushed during the vibration of the screen plate will fall into the feeding channel and enter the auger, and will be transported upward by the auger to the return channel and fall into the material barrel for re-crushing and refinement, thereby achieving the effect of fully crushing and refining the material and further improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a three-dimensional diagram of a road asphalt paving device proposed by the utility model;
[0024] Figure 2 This is a cross-sectional view of a material barrel of a road asphalt paving device proposed by the utility model;
[0025] Figure 3 This is a schematic diagram of the chassis of a road asphalt paving device proposed by the utility model.
[0026] Legend:
[0027] 1. Chassis; 2. Material barrel; 3. Motor; 4. Crushing blade; 5. Agitator shaft; 6. Agitator rod; 7. Positioning sleeve; 8. Screen plate; 9. Driving gear; 10. Connecting shaft; 11. Cam; 12. Driven gear; 13. Connecting rod; 14. Spring; 15. Discharge barrel; 16. Auger; 17. Feed channel; 18. Fixed block; 19. Return channel; 20. Water pump; 21. Connecting pipe; 22. Discharge pipe; 23. Engine; 24. Tire; 25. Fixed shaft; 26. Pressure roller; 27. Main shaft. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0029] Reference Figure 1-Figure 3The utility model provides an embodiment of a road asphalt paving device, including a chassis 1, which serves to fix the upper structure. The top of the chassis 1 is fixedly connected to a material barrel 2, which serves to store materials. The top of the material barrel 2 is fixedly connected to a motor 3, which serves to provide power. The output end of the motor 3 is fixedly connected to a stirring shaft 5, which serves to transmit the power. The interior of the material barrel 2 is fixedly connected to a positioning sleeve 7, which serves to fix the position of a sieve plate 8. The interior of the positioning sleeve 7 is slidably connected to a sieve plate 8, which serves to sieve materials. The bottom end of the sieve plate 8 is fixedly connected to a spring 14, which serves to lift The driving gear 9 is meshed with the driven gear 12, and the connecting rod 13 is fixedly connected to the outside of the mixing shaft 5. The connecting rod 13 plays a role in transmission. The inside of the material barrel 2 is rotatably connected to the connecting shaft 10, and the connecting shaft 10 plays a role in transmission. The middle part of the connecting shaft 10 is fixedly connected to the cam 11, and the cam 11 plays a role in transmission. The end of the connecting shaft 10 close to the mixing shaft 5 is fixedly connected to the driven gear 12, and the driven gear 12 plays a role in transmission. The driving gear 9 is meshed with the driven gear 12, and the outside of the cam 11 is fixedly connected to the connecting rod 13, and the connecting rod 13 plays a role in transmission. A stirring mechanism is provided inside the material barrel 2, and a screw dragon mechanism is provided on one side of the material barrel 2.
[0030] Reference Figure 1-Figure 3The stirring mechanism includes a crushing blade 4, which crushes the material. The middle part of the crushing blade 4 is fixedly connected to the outside of the stirring shaft 5. The outside of the stirring shaft 5 is fixedly connected to a plurality of stirring rods 6, which crush the material. The bottom end of the inner part of the barrel 2 is fixedly connected to a discharge barrel 15, which stores the material. The auger mechanism includes an auger 16, which returns the material. The outside of the barrel 2 is fixedly connected to a fixed block 18, which fixes the auger 16. The side of the fixed block 18 away from the barrel 2 is fixedly connected to the side of the auger 16. The top end of the outer part of the barrel 2 is fixedly connected to a return channel 19, which conveys the material. The side of the return channel 19 away from the barrel 2 is fixedly connected to the side of the auger 16. The bottom end of the outer part of the barrel 2 is fixedly connected to a feeding channel 17, which conveys the material. The side of the feeding channel 17 away from the barrel 2 is fixedly connected to the side of the auger 16. A water pump 20 is fixedly connected to the top of the chassis 1, and the water pump 20 plays the role of extracting materials. The input end of the water pump 20 is fixedly connected to a connecting pipe 21, and the end of the connecting pipe 21 away from the water pump 20 is fixedly connected to one side of the material barrel 2, and the input end of the water pump 20 is fixedly connected to a discharge pipe 22. One side of the chassis 1 is fixedly connected to an engine 23, and the engine 23 plays the role of providing power. The output end of the engine 23 is fixedly connected to a main shaft 27, and the main shaft 27 plays the role of transmission. Both ends of the main shaft 27 are fixedly connected to tires 24, and the outside of the discharge pipe 22 is fixedly connected to a fixed shaft 25, and a pressure roller 26 is rotatably connected between the two ends of the fixed shaft 25. The middle part of the sieve plate 8 is slidably connected to the outside of the stirring shaft 5, and the bottom end of the spring 14 is fixedly connected to the outside of the stirring shaft 5. The end of the connecting pipe 21 away from the water pump 20 passes through one side of the material barrel 2, and the end of the discharge pipe 22 away from the water pump 20 is provided with a protective sleeve.
[0031] Working principle: put the material into the barrel 2 and start the motor 3. The crushing blades 4 will initially crush the material falling into the barrel 2, and then the material will be further crushed and refined by the stirring rod 6 and fall onto the screen plate 8. When the stirring rod 6 rotates, it will drive the driving gear 9 to rotate the cam 11 through the driven gear 12, so that the connecting rod 13 can move up and down, causing the screen plate 8 to vibrate up and down in the positioning sleeve, and quickly screen out suitable materials.
[0032] Materials that have not been crushed to appropriate specifications cannot pass through the sieve plate 8. During the vibration of the sieve plate 8, they will fall into the feeding channel 17 through the material holes at the bottom of the sieve plate 8 and enter the auger 16. They will be transported upward through the auger 16 to the return channel 19 and fall into the material barrel 2 for re-crushing and refinement.
[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A road asphalt paving device, comprising a chassis (1), characterized in that: The top of the chassis (1) is fixedly connected to a material barrel (2), the top of the material barrel (2) is fixedly connected to a motor (3), the output end of the motor (3) is fixedly connected to a stirring shaft (5), the interior of the material barrel (2) is fixedly connected to a positioning sleeve (7), the interior of the positioning sleeve (7) is slidably connected to a screen plate (8), the bottom end of the screen plate (8) is fixedly connected to a spring (14), the outside of the stirring shaft (5) is fixedly connected to a driving gear (9), the interior of the material barrel (2) is rotatably connected to a connecting shaft (10), the middle of the connecting shaft (10) is fixedly connected to a cam (11), one end of the connecting shaft (10) close to the stirring shaft (5) is fixedly connected to a driven gear (12), the driving gear (9) is meshed with the driven gear (12), the outside of the cam (11) is fixedly connected to a connecting rod (13), a stirring mechanism is provided inside the material barrel (2), and a screw dragon mechanism is provided on one side of the material barrel (2).
2. The asphalt paving device according to claim 1, characterized in that: The stirring mechanism comprises a crushing blade (4), the middle portion of the crushing blade (4) is fixedly connected to the outside of the stirring shaft (5), the outside of the stirring shaft (5) is fixedly connected to a plurality of stirring rods (6), and the bottom end of the inner portion of the material barrel (2) is fixedly connected to a discharge barrel (15).
3. The asphalt paving device for a road surface according to claim 1, characterized in that: The auger mechanism includes an auger (16), a fixed block (18) is fixedly connected to the outside of the barrel (2), and the side of the fixed block (18) away from the barrel (2) is fixedly connected to the side of the auger (16), the top end of the outside of the barrel (2) is fixedly connected to a return channel (19), and the side of the return channel (19) away from the barrel (2) is fixedly connected to the side of the auger (16), and the bottom end of the outside of the barrel (2) is fixedly connected to a feeding channel (17), and the side of the feeding channel (17) away from the barrel (2) is fixedly connected to the side of the auger (16).
4. The asphalt paving device for a road surface according to claim 1, characterized in that: A water pump (20) is fixedly connected to the top of the chassis (1), a connecting pipe (21) is fixedly connected to the input end of the water pump (20), an end of the connecting pipe (21) away from the water pump (20) is fixedly connected to one side of the material barrel (2), and a discharge pipe (22) is fixedly connected to the input end of the water pump (20).
5. The asphalt paving device for a road surface according to claim 1, characterized in that: An engine (23) is fixedly connected to one side of the chassis (1), an output end of the engine (23) is fixedly connected to a main shaft (27), and both ends of the main shaft (27) are fixedly connected to tires (24).
6. The asphalt paving device for a road surface according to claim 4, characterized in that: The outside of the discharge pipe (22) is fixedly connected to a fixed shaft (25), and a pressure roller (26) is rotatably connected between the two ends of the fixed shaft (25).
7. The asphalt paving device for a road surface according to claim 1, characterized in that: The middle portion of the sieve plate (8) is slidably connected to the outside of the stirring shaft (5), and the bottom end of the spring (14) is fixedly connected to the outside of the stirring shaft (5).
8. The asphalt paving device for a road surface according to claim 4, characterized in that: One end of the connecting pipe (21) away from the water pump (20) passes through one side of the material barrel (2), and one end of the discharge pipe (22) away from the water pump (20) is provided with a protective sleeve.