Asphalt stirring device for highway construction

Abstract

The invention discloses an asphalt stirring device for highway construction, and particularly relates to the technical field of asphalt stirring, the asphalt stirring device comprises a conveying vehicle, a stirring assembly is arranged on the inner surface of the conveying vehicle, an auxiliary assembly is fixedly connected to the right end of the conveying vehicle located on the right side of the stirring assembly, and a brushing assembly is arranged on the inner surface of the lower end of the conveying vehicle. When the conveying vehicle moves, the first spiral stirring shaft and the second spiral stirring shaft are matched to stir asphalt and uniformly discharge the asphalt, the discharged and stacked asphalt can be flatly spread through the matching of the rotating shaft and the rotating roller by utilizing the moving power of the conveying vehicle, and when the output end of the motor forwards rotates, the asphalt can be uniformly discharged through the matching of the first spiral stirring shaft and the second spiral stirring shaft. According to the high-temperature asphalt stirring device, high-temperature asphalt can be fully stirred, meanwhile, slow and constant-speed discharging can be achieved, when the output end of the motor rotates reversely, through cooperation of a first round roller, a second spiral stirring shaft and other structures, the outer surfaces of the first spiral stirring shaft and the second spiral stirring shaft can be cleaned, and the asphalt adhesion condition is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of asphalt mixing, and in particular to an asphalt mixing device for highway construction. Background Art

[0002] During the asphalt paving construction process of municipal highways, the asphalt mixture is pre-heated and mixed. Then, when the asphalt is heated and mixed and ready for paving, it still needs to be stirred to avoid sticking.

[0003] Chinese patent announcement number CN220685686U discloses an asphalt mixing device for highway construction, which relates to the field of asphalt mixing technology. The patent includes a mixing tank, the upper surface of the mixing tank is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a mixing rod, the upper surface of the mixing tank is fixedly connected to a feeding pipe, the arc surface of the mixing tank is fixedly connected to a discharging pipe, the arc surface of the discharging pipe is fixedly connected to a solenoid valve, and a cleaning device is provided at one end of the mixing rod away from the driving motor. The cleaning device includes a guide rod, and the guide rod is arranged at one end of the mixing rod away from the driving motor. The end of the guide rod away from the mixing rod is fixedly connected to a U-shaped plate. The patent uses the cleaning device to clean the bottom of the mixing tank and the inner wall of the arc surface of the mixing tank, so that the bottom and the inner wall of the mixing tank can be cleaned, and the asphalt is avoided from sticking to the inner wall of the mixing tank as much as possible.

[0004] However, the above device can only clean the inner wall of the mixing tank during operation, but cannot fully stir the asphalt when rotating forward and brush the flatly deposited asphalt, and can self-clean when rotating reversely. Summary of the invention

[0005] The main purpose of the present invention is to provide an asphalt mixing device for highway construction, which can effectively solve the problem that the asphalt cannot be fully stirred during forward rotation while brushing the flatly piled asphalt and can be self-cleaned during reverse rotation.

[0006] To achieve the above object, the technical solution adopted by the present invention is: An asphalt mixing device for highway construction comprises a transport vehicle, wherein a mixing assembly is arranged on the inner surface of the transport vehicle, an auxiliary assembly is fixedly connected to the right end of the transport vehicle located on the right side of the mixing assembly, and a brush assembly is arranged on the inner surface of the lower end of the transport vehicle.

[0007] Preferably, the left and right ends of the conveying vehicle are symmetrically rotatably connected to rotating shafts, the ends of the four rotating shafts away from the conveying vehicle are fixedly connected to wheels, and the front side wall and the rear side wall of the inner surface of the lower end of the conveying vehicle are provided with sliding grooves.

[0008] Preferably, the stirring assembly includes a motor fixedly connected to the right end of the transport vehicle. The output end of the motor is fixedly connected to a first spiral stirring shaft, and the right side of the outer surface of the first spiral stirring shaft is drivingly connected to a second spiral stirring shaft.

[0009] Preferably, the brushing assembly includes a roller drivingly connected to a rotating shaft located at the right end of the rear side. A threaded groove is formed in the middle of the outer surface of the roller, and a slider is slidably connected to the inner surface of the threaded groove. Rectangular plates are fixedly connected to the front end and the rear end of the slider respectively, and the mutually remote ends of the two rectangular plates are slidably connected to the inner surfaces of the same-side sliding grooves respectively.

[0010] Preferably, a plurality of fixed cylinders are fixedly connected to the upper ends of the two rectangular plates respectively. A plurality of through holes one are formed in the outer surfaces of the plurality of fixed cylinders respectively. Fixed rollers are arranged on the inner surfaces of the plurality of fixed cylinders respectively. A plurality of through holes two are formed in the outer surfaces of the plurality of fixed rollers respectively. The lower ends of the same-side plurality of fixed rollers are fixedly connected together to form a fixed plate, and a plurality of bristles are fixedly connected to the lower ends of the two fixed plates respectively.

[0011] Preferably, the inner diameters of the plurality of through holes one are the same as the inner diameters of the through holes two, and fixing pins are jointly arranged on the inner surfaces of the same-side plurality of through holes one and through holes two.

[0012] Preferably, the auxiliary assembly includes a first circular roller drivingly connected to the right side of the outer surface of the second spiral stirring shaft. A threaded rod is fixedly connected to the upper end of the first circular roller, and a second circular roller is fixedly connected to the upper end of the threaded rod. A sliding ring is arranged on the outer surface of the threaded rod. A bent rod is fixedly connected to one side of the outer surface of the sliding ring, and a wire brush is fixedly connected to the lower end of the vertical part of the bent rod.

[0013] Preferably, a limiting cylinder is fixedly connected to the right end of the transport vehicle. The first circular roller, the sliding ring and the second circular roller are located inside the limiting cylinder. The outer surface of the first circular roller is not in close contact with the inner surface of the limiting cylinder. A limiting groove is formed in one side of the outer surface of the limiting cylinder.

[0014] Preferably, the outer surface of the horizontal part of the bent rod close to the sliding ring is slidably connected to the inner surface of the limiting groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention continuously stirs the high-temperature asphalt through the stirring assembly to ensure that the asphalt is always in a uniformly dispersed state during transportation, effectively preventing precipitation and caking phenomena caused by standing. During the movement of the transport vehicle, the brushing assembly is driven to operate synchronously. As the asphalt slowly falls, the brushing assembly spreads it out smoothly. The stirring assembly and the brushing assembly cooperate with each other to enable the asphalt to be evenly and smoothly laid on the road surface. Similarly, after the asphalt laying is completed, the stirring assembly and the auxiliary assembly work together to automatically clean the stirring assembly, replacing the cumbersome process of traditional manual cleaning and greatly saving labor costs.

[0016] 2. When the transport vehicle moves, the present invention can not only stir asphalt through the cooperation of the first spiral stirring shaft and the second spiral stirring shaft, and uniformly discharge materials, but also utilize the power of the movement of the transport vehicle. Through the cooperation of the rotating shaft and the rotating roller, the piled-up asphalt during material discharge is spread out. When the output end of the motor rotates forward, through the cooperation of the first spiral stirring shaft and the second spiral stirring shaft, the high-temperature asphalt can be fully stirred to make its mixing more uniform. At the same time, it can also achieve slow and uniform material discharge, facilitating subsequent paving work. When the output end of the motor rotates in reverse, through the cooperation of structures such as the first round roller and the second spiral stirring shaft, the outer surfaces of the first spiral stirring shaft and the second spiral stirring shaft can also be cleaned, preventing asphalt from adhering to the surface of the stirring shaft, ensuring the stirring effect and service life of the first spiral stirring shaft and the second spiral stirring shaft, and reducing the workload and difficulty of manual cleaning. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the overall structure of the present invention from another perspective; Figure 3 is a schematic diagram of the structure of the stirring assembly of the present invention; Figure 4 is a schematic diagram of the structure of the brushing assembly of the present invention; Figure 5 is a schematic diagram of a partial structure of the brushing assembly of the present invention; Figure 6 is a schematic diagram of the structure of the auxiliary assembly of the present invention; Figure 7 is a schematic diagram of a partial cross-sectional structure of the auxiliary assembly of the present invention; Figure 8 is a schematic diagram of the operating structure of the auxiliary assembly of the present invention; Figure 9 is a schematic diagram of the overall operating structure of the present invention; Figure 10 is a schematic diagram of another perspective of the overall operating structure of the present invention.

[0018] In the figure: 1. Transport vehicle; 11. Wheels; 12. Rotating shaft; 13. Chute; 2. Auxiliary assembly; 21. Limiting cylinder; 211. Limiting groove; 22. Steel wire brush; 23. Threaded rod; 24. Bent rod; 25. Slip ring; 26. First round roller; 27. Second round roller; 3. Stirring assembly; 31. Motor; 32. First spiral stirring shaft; 33. Second spiral stirring shaft; 4. Brushing assembly; 41. Rotating roller; 411. Threaded groove; 42. Slide block; 43. Rectangular plate; 44. Fixed cylinder; 441. First through hole; 45. Fixed pin; 46. Fixed roller; 461. Second through hole; 47. Fixed plate; 471. Brush hair. Detailed Embodiments

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0020] Embodiment 1, as Figure 1 and Figure 2 As shown, an asphalt mixing device for highway construction includes a transport vehicle 1, a mixing assembly 3 is arranged on the inner surface of the transport vehicle 1, an auxiliary assembly 2 is fixedly connected to the right end of the transport vehicle 1 located on the right side of the mixing assembly 3, and a brushing assembly 4 is arranged on the inner surface of the lower end of the transport vehicle 1.

[0021] When preparing to lay asphalt on a municipal highway, it is necessary to spray tack coat oil on the road surface where high-temperature asphalt is to be laid. After the tack coat oil is sprayed, according to the ambient temperature and humidity of the paved highway, and after confirming that the tack coat oil is in a semi-dry state by touch or vision, the conveyor vehicle 1 is controlled to move and the brushing component 4 is started. The conveyor vehicle 1 is used in conjunction with the brushing component 4 to brush and lay the tack coat oil evenly to avoid the situation where the asphalt is too thick locally and causes defects in the combination of the asphalt and the ground. Then, the stirred high-temperature asphalt is poured into the conveyor vehicle 1, and the high-temperature asphalt is continuously stirred by the stirring component 3 so that the high-temperature asphalt is evenly conveyed and discharged. At the same time, the brushing component 4 is used to lay the slowly discharged asphalt flat, which is convenient for the subsequent compaction of the asphalt. After the asphalt is stirred in the conveyor vehicle 1 and discharged at a uniform speed, the auxiliary component 2 and the stirring component 3 are used to cooperate to achieve self-cleaning of the stirring component 3.

[0022] During the operation of this embodiment, the high-temperature asphalt is continuously stirred in the conveying vehicle 1 by the stirring component 3, so that the asphalt remains in a uniform state during the conveying process, avoiding problems such as asphalt precipitation or agglomeration, and ensuring that the asphalt can be evenly transported and discharged. At the same time, the conveying vehicle 1 moves in coordination with the brushing component 4 to achieve the goal of spreading the slowly discharged asphalt on the road surface. The cooperation between the stirring component 3 and the brushing component 4 ensures the flatness and uniformity of the asphalt paving, facilitates subsequent compaction work, and improves the quality of asphalt paving. After the asphalt is stirred and discharged at a uniform speed, the stirring component 3 and the auxiliary component 2 cooperate to achieve self-cleaning of the stirring component 3, without the need for manual tedious cleaning operations, saving labor costs, and at the same time, it can also clean the stirring component 3 more thoroughly to reduce asphalt residue.

[0023] Embodiment 2: Based on embodiment 1, this embodiment is designed to achieve the effect of fully stirring the asphalt during forward rotation and brushing the flatly piled asphalt at the same time, and achieving self-cleaning effect during reverse rotation.

[0024] See also Figure 3The left and right ends of the conveying vehicle 1 are symmetrically connected to the rotating shaft 12, and the ends of the four rotating shafts 12 away from the conveying vehicle 1 are fixedly connected to the wheels 11. The front side wall and the rear side wall of the inner surface of the lower end of the conveying vehicle 1 are provided with sliding grooves 13.

[0025] The transport vehicle 1 is coordinated with the four wheels 11 and the rotating shaft 12 to move along the municipal highway to brush the sprayed tack coat oil or to stir the high-temperature asphalt and then lay it on the ground.

[0026] See also Figure 4 and Figure 5 The brushing assembly 4 includes a roller 41 that is transmission-connected to the rotating shaft 12 at the rear right end. A threaded groove 411 is provided in the middle of the outer surface of the roller 41. A slider 42 is slidably connected to the inner surface of the threaded groove 411. The front and rear ends of the slider 42 are fixedly connected to rectangular plates 43. The two rectangular plates 43 are slidably connected to the inner surfaces of the slide grooves 13 on the same side at one end away from each other.

[0027] The rotating shaft 12 and the rotating roller 41 are connected by a belt pulley in the prior art.

[0028] The inner surface of the slider 42 is provided with a spiral groove matched with the thread groove 411 . With the cooperation of the two rectangular plates 43 , when the roller 41 drives the thread groove 411 to rotate, the slider 42 slides back and forth along the thread groove 411 .

[0029] Before the high-temperature asphalt is prepared to be laid on the road surface, in order to make the high-temperature asphalt better bond with the road surface, tack coat oil is sprayed on the ground in advance. After spraying, in order to prevent the tack coat oil from being sprayed unevenly, it is necessary to brush and spread the tack coat oil. Then, during the movement of the transport vehicle 1, the rotating shaft 12 is used to rotate and drive the roller 41 to rotate continuously; During the rotation of the roller 41, the threaded groove 411 is driven to rotate continuously, and at the same time cooperates with the slider 42 and the two rectangular plates 43 to achieve reciprocating left and right movement of the slider 42 and the two rectangular plates 43 during the rotation of the roller 41. During the left and right movement of the rectangular plates 43, the rectangular plates 43 slide along the inner surface of the slide groove 13.

[0030] See also Figure 5 The upper ends of the two rectangular plates 43 are fixedly connected with a plurality of fixed cylinders 44, the outer surfaces of the plurality of fixed cylinders 44 are provided with a plurality of through holes 441, the inner surfaces of the plurality of fixed cylinders 44 are provided with fixed rollers 46, the outer surfaces of the plurality of fixed rollers 46 are provided with through holes 461, the lower ends of the plurality of fixed rollers 46 on the same side are commonly fixedly connected with a fixed plate 47, the lower ends of the two fixed plates 47 are commonly fixedly connected with a plurality of bristles 471, the inner diameters of the plurality of through holes 441 are the same as the inner diameters of the plurality of through holes 461, and the inner surfaces of the plurality of through holes 441 and the plurality of through holes 461 on the same side are commonly provided with fixing pins 45.

[0031] Several of the above-mentioned front-side bristles 471 are made of nylon fibers commonly used in the prior art. Nylon fibers are highly flexible and oil-resistant, which can avoid scratching the ground and prevent the adhesive layer oil from corrosion.

[0032] Several of the above-mentioned rear-side bristles 471 are made of aramid fibers in the prior art. Aramid fibers have the characteristics of high temperature resistance and strong wear resistance, and can adapt to the high-temperature friction of asphalt.

[0033] Before preparing to brush the adhesive layer oil sprayed on the flat ground, first pull the front-side fixing pin 45 to the left, and then pull the fixing plate 47, several fixing rollers 46 and several bristles 471 downward at the same time until the inner surface of the through hole two 461 on the upper part of the outer surface of the fixing roller 46 is at the same height as the inner surface of the through hole one 441 on the lower part of the outer surface of the fixing cylinder 44. At this time, several front-side bristles 471 are close to the ground, and the rear-side fixing plate 47 and several fixing rollers 46 remain at the original height. Then push the fixing pin 45 to the right. At this time, the fixing pin 45 passes through several through holes one 441 and through holes two 461 at the same time, and then the fixing pin 45 can fix several fixing rollers 46 and the adapted fixing cylinders 44 at the same time.

[0034] During the operation of the transport vehicle 1, when the rectangular plate 43 slides left and right along the inner surface of the chute 13, through the joint cooperation of several fixing cylinders 44, fixing pins 45 and several fixing rollers 46, when the rectangular plate 43 moves left and right, it will drive the front-side fixing plate 47 and several bristles 471 to move left and right at the same time.

[0035] During the process of the front-side fixing plate 47 driving several bristles 471 on the same side to move left and right, several bristles 471 cooperate to evenly coat the adhesive layer oil sprayed on the ground.

[0036] After the sprayed adhesive layer oil is evenly applied through the cooperation of the transport vehicle 1 and the rotating shaft 12 and the rotating roller 41, pull the front-side fixing pin 45 to the left, and then push the front-side fixing plate 47, several bristles 471 and several through holes two 461 upward to make several front-side bristles 471 away from the ground; At the same time, pull the rear-side fixing pin 45 to the left to release the locking of several fixing cylinders 44 on the rear side to several fixing rollers 46, and adopt the same adjustment method as above to make the outer surface of several rear-side bristles 471 slightly higher than the ground.

[0037] Refer to Figure 3 As shown in, the stirring assembly 3 includes a motor 31 fixedly connected to the right end of the transport vehicle 1. The output end of the motor 31 is fixedly connected with a spiral stirring shaft one 32, and the right side of the outer surface of the spiral stirring shaft one 32 is drivingly connected with a spiral stirring shaft two 33.

[0038] The above-mentioned first spiral stirring shaft 32 and the second spiral stirring shaft 33 are drivingly connected through a gear set in the prior art. During the operation of the first spiral stirring shaft 32 and the second spiral stirring shaft 33, the rotation directions of the first spiral stirring shaft 32 and the second spiral stirring shaft 33 are different.

[0039] After adjusting the height of the rear fixing plate 47 and several bristles 471, the stirred high-temperature asphalt is poured into the inner surface of the transport vehicle 1. Before pouring, the motor 31 is activated. Immediately, the output end of the motor 31 rotates forward, and at the same time, it drives the first spiral stirring shaft 32 and the second spiral stirring shaft 33 to rotate. The asphalt poured into the inner surface of the transport vehicle 1 is continuously stirred by the cooperation of the first spiral stirring shaft 32 and the second spiral stirring shaft 33. At the same time, the transport vehicle 1 moves slowly backward, and during the movement, it discharges materials slowly and evenly.

[0040] When the high-temperature asphalt is stirred and discharged evenly, the left and right reciprocating fixing plate 47 and several bristles 471 are used to spread out the high-temperature asphalt piled on the ground, which is convenient for subsequent compaction of the asphalt.

[0041] Refer to Figure 6 、 Figure 7 and Figure 8 As shown in, the auxiliary component 2 includes a first roller 26 drivingly connected to the outer surface of the right side of the second spiral stirring shaft 33. A threaded rod 23 is fixedly connected to the upper end of the first roller 26. A second roller 27 is fixedly connected to the upper end of the threaded rod 23. A sliding ring 25 is arranged on the outer surface of the threaded rod 23. A bent rod 24 is fixedly connected to one side of the outer surface of the sliding ring 25. A wire brush 22 is fixedly connected to the lower end of the vertical part of the bent rod 24.

[0042] The above-mentioned first roller 26 and the second spiral stirring shaft 33 are drivingly connected through a bevel gear transmission set in the prior art.

[0043] After the asphalt on the road surface is spread out, the output end of the motor 31 is reversed, which will drive the first roller 26, the threaded rod 23, and the second roller 27 to rotate. During the rotation of the first roller 26, the threaded rod 23, and the second roller 27, the sliding ring 25 drives the bent rod 24 and the wire brush 22 to move downward along the upper part of the outer surface of the sliding ring 25.

[0044] Refer to Figure 8 As shown in, a limiting cylinder 21 is fixedly connected to the right end of the transport vehicle 1. The first roller 26, the sliding ring 25, and the second roller 27 are located inside the limiting cylinder 21. The outer surface of the first roller 26 is not in close contact with the inner surface of the limiting cylinder 21. A limiting groove 211 is opened on one side of the outer surface of the limiting cylinder 21. The outer surface of the horizontal part of the bent rod 24 close to the sliding ring 25 is slidably connected to the inner surface of the limiting groove 211.

[0045] The above-mentioned limiting groove 211 is composed of two straight grooves and an arc groove; It reverses at the output end of the motor 31. Through the cooperation of the second spiral stirring shaft 33 and the first round roller 26, during the rotation of the first round roller 26, the threaded rod 23, and the second round roller 27, the threaded rod 23 moves downward along the slip ring 25. During the downward movement of the slip ring 25 driving the bent rod 24 and the wire brush 22, by cooperating with the inner surface of the limiting groove 211, refer to Figure 9 , so that the slip ring 25, the bent rod 24, and the wire brush 22 first move downward along the inner surface of the limiting groove 211, then rotate leftward along the arc part of the limiting groove 211, and finally continue to move downward along the vertical part of the limiting groove 211; When the slip ring 25 drives the bent rod 24 and the wire brush 22 to rotate leftward along the arc part of the limiting groove 211, at this time, the wire brush 22 rotates above the first spiral stirring shaft 32 and the second spiral stirring shaft 33. Furthermore, the wire brush 22 is driven by the slip ring 25 and the bent rod 24 to continue to descend.

[0046] Refer to Figure 10 , when the wire brush 22 descends above the first spiral stirring shaft 32 and the second spiral stirring shaft 33, the first spiral stirring shaft 32 and the second spiral stirring shaft 33 continue to rotate. The surfaces of the first spiral stirring shaft 32 and the second spiral stirring shaft 33 respectively rub against the surface of the wire brush 22. During the process of the slip ring 25 driving the bent rod 24 and the wire brush 22 to descend to the bottom wall of the inner surface of the vertical part of the limiting groove 211, self-cleaning of the outer surfaces of the first spiral stirring shaft 32 and the second spiral stirring shaft 33 is achieved, avoiding asphalt adhesion on the surfaces of the first spiral stirring shaft 32 and the second spiral stirring shaft 33, which affects the next use, and at the same time extending the service life of the equipment.

[0047] When the slip ring 25 drives the bent rod 24 and the wire brush 22 to descend to the bottom wall of the inner surface of the limiting groove 211, immediately the output end of the motor 31 rotates forward, thereby making the first round roller 26, the threaded rod 23, and the second round roller 27 rotate in the reverse direction. Thus, through the cooperation of the slip ring 25, the bent rod 24, and the wire brush 22, the wire brush 22 moves upward to clean the first spiral stirring shaft 32 and the second spiral stirring shaft 33 again; When the slip ring 25 drives the bent rod 24 and the wire brush 22 to move upward along the inner surface of the limiting groove 211 to the top wall of the inner surface of the limiting groove 211, at this time, the thread on the inner surface of the slip ring 25 just disengages from the thread on the outer surface of the threaded rod 23, that is, the slip ring 25 and the threaded rod 23 are in a state of slipping threads. Then, the first round roller 26 and the threaded rod 23 continue to rotate in cooperation with the second spiral stirring shaft 33, so that the slip ring 25, the bent rod 24, and the wire brush 22 remain at the position of the top wall of the inner surface of the limiting groove 211. Furthermore, the mixed high-temperature asphalt can be poured into the inner surface of the transport vehicle 1 again, and thus the wire brush 22 will not affect the stirring and loading / unloading of the asphalt.

[0048] Therefore, through the design of the fixing pin 45, the fixing cylinder 44 and the fixing roller 46, when it is necessary to brush the tack coat, the front bristles 471 can be conveniently adjusted to a position close to the ground, with simple and quick operation; when not in use, the front bristles 471 can be easily lifted to avoid unnecessary wear. When the transporter 1 moves, it can not only mix the asphalt evenly by the cooperation of the first spiral stirring shaft 32 and the second spiral stirring shaft 33, but also spread out the piled-up asphalt by the cooperation of the rotating shaft 12 and the rotating roller 41 by using the power of the movement of the transporter 1; Meanwhile, through the cooperation of the first spiral stirring shaft 32 and the second spiral stirring shaft 33, when the output end of the motor 31 rotates forward, the high-temperature asphalt can be fully stirred to make its mixture more uniform, and at the same time, slow and uniform feeding can be achieved, which is convenient for subsequent paving work. When the output end of the motor 31 rotates reversely, through the cooperation of structures such as the first round roller 26 and the second spiral stirring shaft 33, the outer surfaces of the first spiral stirring shaft 32 and the second spiral stirring shaft 33 can also be cleaned to avoid asphalt adhesion on the surface of the stirring shaft, ensuring the stirring effect and service life of the first spiral stirring shaft 32 and the second spiral stirring shaft 33, and reducing the workload and difficulty of manual cleaning.

[0049] It should be particularly noted that the specific installation method of the motor 31, the connection method of the circuit and the control method adopted in the present invention are all conventional designs, and the present invention will not be elaborated in detail.

[0050] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. An asphalt mixing device for highway construction, comprising a transport vehicle (1), characterized in that: The inner surface of the transporter (1) is provided with a stirring assembly (3). On the right side of the stirring assembly (3), an auxiliary assembly (2) is fixedly connected to the right end of the transporter (1). The inner surface of the lower end of the transporter (1) is provided with a brushing assembly (4).

2. The asphalt mixing device for road construction according to claim 1, characterized in that: The left end and the right end of the transporter (1) are symmetrically and rotatably connected with rotating shafts (12). One end of each of the four rotating shafts (12) far away from the transporter (1) is fixedly connected with a wheel (11). The front side wall and the rear side wall of the inner surface of the lower end of the transporter (1) are both provided with sliding grooves (13).

3. An asphalt mixing device for road construction according to claim 1, characterized in that: The stirring assembly (3) includes a motor (31) fixedly connected to the right end of the transporter (1). The output end of the motor (31) is fixedly connected with a first spiral stirring shaft (32). The outer surface of the right side of the first spiral stirring shaft (32) is drivingly connected with a second spiral stirring shaft (33).

4. An asphalt mixing device for highway construction according to claim 2, characterized in that: The brushing assembly (4) includes a roller (41) drivingly connected to the rotating shaft (12) at the right end of the rear side. A threaded groove (411) is formed in the middle of the outer surface of the roller (41). A slider (42) is slidably connected to the inner surface of the threaded groove (411). The front end and the rear end of the slider (42) are both fixedly connected with rectangular plates (43). One end of each of the two rectangular plates (43) far away from each other is slidably connected to the inner surface of the sliding groove (13) on the same side.

5. An asphalt mixing device for highway construction according to claim 4, characterized in that: A plurality of fixed cylinders (44) are fixedly connected to the upper ends of the two rectangular plates (43). A plurality of through holes one (441) are formed in the outer surfaces of the plurality of fixed cylinders (44). Fixed rollers (46) are arranged on the inner surfaces of the plurality of fixed cylinders (44). A plurality of through holes two (461) are formed in the outer surfaces of the plurality of fixed rollers (46). A fixing plate (47) is fixedly connected to the lower ends of the plurality of fixed rollers (46) on the same side. A plurality of brush hairs (471) are fixedly connected to the lower ends of the two fixing plates (47).

6. The asphalt mixing device for highway construction according to claim 5, characterized in that: The inner diameters of the plurality of through holes one (441) are the same as the inner diameters of the through holes two (461). A fixing pin (45) is jointly arranged on the inner surfaces of the plurality of through holes one (441) and the through holes two (461) on the same side.

7. The asphalt mixing device for highway construction according to claim 3, characterized in that: The auxiliary assembly (2) includes a first round roller (26) drivingly connected to the outer surface of the right side of the second spiral stirring shaft (33). A threaded rod (23) is fixedly connected to the upper end of the first round roller (26). A second round roller (27) is fixedly connected to the upper end of the threaded rod (23). A sliding ring (25) is arranged on the outer surface of the threaded rod (23). One side of the outer surface of the sliding ring (25) is fixedly connected with a bent rod (24). A wire brush (22) is fixedly connected to the lower end of the vertical part of the bent rod (24).

8. An asphalt mixing device for highway construction according to claim 7, characterized in that: A limiting cylinder (21) is fixedly connected to the right end of the transporter (1). The first round roller (26), the sliding ring (25) and the second round roller (27) are located inside the limiting cylinder (21). The outer surface of the first round roller (26) is not in close contact with the inner surface of the limiting cylinder (21). A limiting groove (211) is formed in one side of the outer surface of the limiting cylinder (21).

9. The asphalt mixing device for road construction according to claim 8, characterized in that: The outer surface of the horizontal part of the bent rod (24) close to the sliding ring (25) is slidably connected to the inner surface of the limiting groove (211).

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