CN218880488U

CN218880488U - Highway is supplementary clearance mechanism of pitch agitating unit for construction

Info

Publication number: CN218880488U
Application number: CN202223072088.7U
Authority: CN
Inventors: 冯峰; 杨凯
Original assignee: Shandong Yucheng Lifuda Highway Engineering Co ltd
Current assignee: Shandong Yucheng Lifuda Highway Engineering Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-18
Anticipated expiration: 2032-11-18

Abstract

The utility model relates to a highway construction is with pitch agitating unit's supplementary clearance mechanism relates to the field of pitch production, and it includes the blending bucket, rotates the setting and is in puddler and setting on the roof are in the blending bucket scraper blade on the puddler, the scraper blade with the inside wall activity butt of blending bucket still sets up including articulated connecting rod on the puddler, the scraper blade with the connecting rod is kept away from the one end of puddler is articulated mutually, be provided with on the puddler and be used for adjusting the connecting rod with the drive locating component of contained angle size between the puddler. This application has improved the effect to the not good problem of blending drum inner wall clearance effect when the distance between scraper blade and the blending drum inner wall is fixed.

Description

Highway is supplementary clearance mechanism of pitch agitating unit for construction

Technical Field

The utility model relates to a field of pitch production especially relates to a pitch agitating unit's supplementary clearance mechanism for highway construction.

Background

The asphalt is a black-brown complex mixture composed of hydrocarbons with different molecular weights and nonmetal derivatives thereof, and is mainly used for industries such as coatings, plastics, rubber and the like, paving pavements and the like.

Asphalt pavement is made up of mineral material, asphalt material, mineral particles and asphalt through mixing, spreading and rolling, and features high strength and track resistance, smooth surface, less dust and water, and high durability.

When a highway is constructed, the mixing of asphalt mixture is firstly completed, then the mixture is transported to a construction site and then paved on the site, and the stirring of asphalt is one of the key steps influencing the pavement quality and the construction efficiency. During the heating stirring, pitch is because having certain stickness and easily adhering on the agitating unit inner wall to influence stirring efficiency, consequently need often clear up the agitating unit inner wall.

The Chinese patent with the application number of CN202221013758.5 in the related art provides an asphalt mixture stirring device, which comprises a base and a mixing barrel arranged on the base, wherein a supporting seat is fixedly arranged on one side of the top of the base, a stirring rod is rotatably arranged on the inner top wall of the supporting seat, a first motor for driving the stirring rod to rotate is fixedly arranged on the top of the supporting seat, a plurality of groups of stirring blades are arranged on the surface of the stirring rod at equal intervals, the stirring blades are arranged in the mixing barrel, first scraping plates are fixedly arranged on two sides of the stirring rod, the first scraping plates are in contact with the inner side wall of the mixing barrel, a second scraping plate is fixedly arranged at the lower end of the stirring rod, and the second scraping plate is in contact with the inner side wall of the mixing barrel; the utility model discloses a mixing drum, including base, mixing drum, supporting seat, top of mixing drum, the equal fixed mounting all around that the base top is located the mixing drum has the support column, the top fixed mounting of support column has annular slide rail, fixed mounting has annular slider on the outer circumference of mixing drum, annular slider sliding connection is in annular slide rail, one side of mixing drum is provided with and is used for driving mixing drum pivoted drive assembly, the equal fixed mounting in both sides that the supporting seat top is located first motor has the cylinder, the piston rod fixed mounting of cylinder has the top cap, the top cap slides and cup joints on the puddler, the top that the supporting seat inside wall is located the mixing drum is rotated and is installed the shower nozzle, be provided with the water supply assembly who is used for supplying water to the shower nozzle on the lateral wall of supporting seat.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: first scraper blade and second scraper blade are fixed connection with the puddler, because the pitch of adhesion on the mixing drum inner wall has certain thickness, after the top layer pitch has been swept in the scraping, first scraper blade and second scraper blade be difficult for touching inlayer pitch, lead to the cleaning performance not good.

SUMMERY OF THE UTILITY MODEL

In order to improve the scraper blade to the not good problem of blending drum inner wall clearance effect, this application provides a pitch agitating unit's supplementary clearance mechanism for highway construction.

The application provides a pair of asphalt mixing device's supplementary clearance mechanism for highway construction adopts following technical scheme:

the utility model provides a highway construction is with pitch agitating unit's supplementary clearance mechanism, be in including mixing drum, rotation setting puddler and setting on the roof are in the mixing drum scraper blade on the puddler, the scraper blade with the inside wall activity butt of mixing drum still is in including articulated setting connecting rod on the puddler, the scraper blade with the connecting rod is kept away from the one end of puddler is articulated mutually, be provided with on the puddler and be used for adjusting the connecting rod with the drive locating component of contained angle size between the puddler.

By adopting the technical scheme, when the inner wall of the mixing barrel needs to be cleaned, the driving positioning assembly is used for adjusting the size of the included angle between the connecting rod and the stirring rod, so that the scraper is in contact with asphalt on the inner wall of the mixing barrel, after the surface asphalt is scraped, the driving positioning assembly is used for adjusting the size of the included angle between the connecting rod and the stirring rod again, so that the scraper is in contact with the inner-layer asphalt, and the process is repeated until the inner wall of the mixing barrel is fully cleaned; puddler and connecting rod, connecting rod and scraper blade are articulated setting, adjust the contained angle size between connecting rod and the puddler through drive locating component, realize the adjustable of distance between scraper blade and the mixing drum inner wall to be applicable to the pitch of clearance different thickness, improved when the distance between scraper blade and the mixing drum inner wall is fixed the problem that the effect is not good to mixing drum inner wall clearance.

Optionally, the driving and positioning assembly includes a support plate, a limiting cylinder and a sleeve, the sleeve is fixedly mounted on the inner bottom wall of the mixing barrel, the stirring rod rotates and is movably inserted into the sleeve, one end of the support plate is slidably connected with the end of the sleeve, a mounting hole is formed in the plate surface of the support plate in a penetrating manner, the limiting cylinder is hinged in the mounting hole, the limiting cylinder is slidably sleeved on the connecting rod, and an adjusting assembly for driving the stirring rod to slide in a direction approaching to or away from the sleeve is arranged on the mixing barrel; when the stirring rod rotates, one end of the support plate synchronously rotates on the end part of the sleeve.

Through adopting above-mentioned technical scheme, when the distance between scraper blade and the tempering tank inner wall is adjusted to needs, order about the puddler through adjusting part earlier and slide towards the direction that is close to the sleeve for the relative extension board motion of connecting rod and puddler looks articulated one end, thereby make the contained angle grow between connecting rod and the puddler, because the length of connecting rod is fixed, the distance between scraper blade and the tempering tank inner wall just changes, finally, the asphalt on scraper blade and the tempering tank inner wall contacts. The inner bottom wall of the mixing barrel is fixedly provided with the sleeve, one end of the support plate is connected with the end part of the sleeve in a sliding manner, so that the support plate is convenient to limit the movement in the vertical direction, and meanwhile, the support plate can synchronously rotate along with the rotation of the stirring rod; the stirring rod rotates and is movably inserted in the sleeve, so that the rotation and the up-and-down movement of the stirring rod are more stable; when the position of the stirring rod is well adjusted, the support plate limits the movement of the connecting rod relative to the stirring rod, so that the scraping process of the scraper on the inner wall of the mixing barrel is more stable; the arrangement of the limiting barrel facilitates the movable penetration of the connecting rod and realizes the mutual hinge with the support plate.

Optionally, the adjusting part includes a connecting cylinder, a rotary rod and a locking piece used for connecting the connecting cylinder with the rotary rod locking, the connecting cylinder with the puddler is kept away from the coaxial fixed connection of telescopic one end, just the connecting cylinder slides and wears to establish the roof setting of blending barrel, the rotary rod rotating rack is established on the outer roof of blending barrel, just one end activity of rotary rod is pegged graft in the connecting cylinder, be provided with on the blending barrel and be used for ordering about rotary rod pivoted rotating piece.

Through adopting the above technical scheme, when the position of puddler needs to be adjusted, with the locking piece unblock earlier, along the axial displacement connecting cylinder of connecting cylinder, the puddler is along with connecting cylinder synchronous motion, thereby drive connecting rod and scraper blade motion, when the scraper blade contacts with pitch, stop moving the connecting cylinder, rethread locking piece is with connecting cylinder and rotary rod locking, can accomplish the regulation to the puddler position, rotate through rotating member drive rotary rod this moment, thereby drive connecting cylinder and puddler and rotate, the scraper blade can begin to scrape the blending tank inner wall and sweep.

Optionally, a reinforcing component for stably locking and connecting the connecting cylinder and the rotating rod is arranged between the connecting cylinder and the rotating rod.

Through adopting above-mentioned technical scheme, be connected the back with connecting cylinder and rotary rod locking through locking piece, add the reinforcement assembly and make the two connect more firmly, when the rotation of rotary rod drove the connecting cylinder and rotate, the two is connected more stably, rotates more steadily.

Optionally, a connecting block is fixedly connected to one end, close to the sleeve, of the support plate, an annular connecting groove is formed in the end face, close to the support plate, of the sleeve, the circle center of the connecting groove is located on the axis of the stirring rod, and the connecting block is in sliding fit with the connecting groove.

Through adopting above-mentioned technical scheme, the setting of connecting block and spread groove has realized the extension board and has been connected with sliding of sleeve tip, and the position control who finishes when the puddler for the extension board can also rotate along with the rotatory synchronization of puddler when limiting the relative puddler motion of connecting rod.

Optionally, the support plate is provided with a circular arc-shaped baffle plate for blocking the opening side of the connecting groove, and the baffle plate is slidably arranged on the sleeve.

Through adopting above-mentioned technical scheme, thereby the pitch that makes in the blending tank is difficult for falling into the spread groove and causes the spread groove to block up the setting of baffle.

Optionally, a heat conduction layer is arranged on the side wall of the mixing barrel, and a heating element is arranged in the heat conduction layer.

Through adopting above-mentioned technical scheme, heat the heat-conducting layer through the heating member to on the lateral wall with heat transfer to mixing drum, the pitch of adhesion on the mixing drum inner wall is changeed under the heating action and is cleared up.

Optionally, a visible area is disposed on an outer side wall of the mixing barrel.

Through adopting above-mentioned technical scheme, the setting in visual zone for can more clearly see the contact condition of scraper blade and blending drum inner wall in the blending drum when adjusting drive positioning assembly, the clearance in-process also can more clearly see the clean degree that the blending drum inner wall was cleared up.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stirring rod, the connecting rod, the scraper and the driving positioning assembly are arranged in the mixing barrel, and the driving positioning assembly is used for adjusting the included angle between the connecting rod and the stirring rod, so that the distance between the scraper and the inner wall of the mixing barrel can be adjusted, the mixing barrel is suitable for cleaning asphalt with different thicknesses, and the problem of poor cleaning effect on the inner wall of the mixing barrel when the distance between the scraper and the inner wall of the mixing barrel is fixed is solved;

2. the driving positioning assembly is provided with a support plate, a limiting cylinder and a sleeve, the sleeve not only limits the support plate to move in the vertical direction, but also enables the support plate to synchronously rotate along with the stirring rod, the limiting cylinder is convenient to movably penetrate through the connecting rod and is hinged with the support plate, and when the position of the stirring rod is adjusted, the support plate limits the connecting rod to move relative to the stirring rod;

3. the adjusting component is arranged outside the mixing barrel, and the side wall of the mixing barrel is provided with the visible area, so that the adjusting process is more convenient;

4. the heat conducting layer is arranged on the side wall of the mixing barrel, so that the asphalt is easier to clean under the heating action.

Drawings

FIG. 1 is a schematic overall cross-sectional structural view of an embodiment of the present application;

FIG. 2 is an overall external structure diagram of an embodiment of the present application;

FIG. 3 is a schematic structural diagram of the connecting rod, the scraper and the support plate distributed along the axial direction of the stirring rod in the embodiment of the application;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

Reference numerals: 1. a mixing barrel; 2. a stirring rod; 3. a squeegee; 4. a connecting rod; 5. a support plate; 6. a limiting cylinder; 7. a sleeve; 8. mounting holes; 9. a connecting cylinder; 10. rotating the rod; 11. a locking member; 12. connecting blocks; 13. connecting grooves; 14. a baffle plate; 15. a heat conductive layer; 16. a top cover; 17. a discharge port; 18. a supporting base; 19. a motor; 20. a visual window; 21. a flexible scraping strip; 22. a resistance wire; 23. a heat-insulating layer; 24. a fixing hole; 25. a power switch; 26. flanging; 27. fixing the disc; 28. a stud bolt.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pitch agitating unit's supplementary clearance mechanism for highway construction. Referring to fig. 1 and 2, an auxiliary cleaning mechanism of an asphalt mixing device for road construction includes a mixing barrel 1, a mixing rod 2 rotatably disposed on an inner top wall of the mixing barrel 1, a connecting rod 4 hingedly disposed on the mixing rod 2, and a scraper 3 hingedly disposed on the connecting rod 4. The length direction of the articulated shaft between puddler 2 and the connecting rod 4 is perpendicular with the axial of puddler 2, articulated shaft between connecting rod 4 and the scraper blade 3 and articulated shaft parallel arrangement between puddler 2 and the connecting rod 4 are provided with on the puddler 2 and are used for adjusting connecting rod 4 with the drive locating component of contained angle size between the puddler 2. One end of mixing barrel 1 can be dismantled and be provided with top cap 16, the discharge gate 17 has been seted up to the other end, fixed mounting has supporting seat 18 on

top cap

16, 18 fixed being provided with in top of supporting seat are used for driving the rotatory rotating member of puddler 2, the rotating member sets up to motor 19, mixing barrel 1 is close to the part of discharge gate 17 and is lou hopper-shaped, be provided with the visual area on 1 lateral wall of mixing barrel, the visual area sets up to visual window 20, visual window 20 specifically is high temperature resistant quartz glass.

Referring to fig. 1 and 3, the connecting rods 4 are uniformly distributed in multiple groups along the axial direction of the stirring rod 2, in the embodiment of the present application, the connecting rods 4 are arranged in three groups, and in other embodiments, the connecting rods 4 may also be arranged in two groups, four groups, five groups, and the like. Each group of connecting rods 4 is arranged in a plurality of numbers around the circumference of the stirring rod 2 at intervals, in the embodiment of the application, each group of connecting rods 4 is set to be four, and in other embodiments, each group of connecting rods 4 can also be two, three, five, etc. In order to enable the part of the mixing barrel 1 close to the discharge port 17 to be fully cleaned, a group of scraping plates 3 close to the discharge port 17 are fixedly connected with flexible scraping strips 21, the flexible scraping strips 21 are made of rubber, and when the motor 19 drives the stirring rod 2 to rotate, the flexible scraping strips 21 are always abutted to the inner wall of the part of the mixing barrel 1 close to the discharge port 17.

When needs clear up 1 inner wall of tempering tank, adjust the size of contained angle between connecting rod 4 and puddler 2 through drive locating component, observe through visual window 20 in the time of the regulation, adjust and stop when the pitch on scraper blade 3 and the 1 inner wall of tempering tank contacts, it is rotatory to open motor 19 and drive puddler 2 this moment, thereby drive connecting rod 4 and scraper blade 3 and rotate, scraper blade 3 scrapes the 1 inner wall of tempering tank and sweeps, the pitch that is cleared up flows out through discharge gate 17 under the action of gravity. After the surface layer asphalt is scraped, the motor 19 is turned off, and the size of the included angle between the connecting rod 4 and the stirring rod 2 is adjusted through the driving positioning assembly again, so that the scraping plate 3 is in contact with the inner layer asphalt, the scraping process is repeated, and the inner wall of the mixing barrel 1 is fully cleaned up.

Referring to fig. 4, in order to enable the asphalt on the inner wall of the mixing barrel 1 to be cleaned more easily, the outer side wall of the mixing barrel 1 is fixedly connected with a heat conduction layer 15 through bolts, the heat conduction layer 15 is arranged into two aluminum heat conduction plates which are attached to each other, a heating element is arranged into a resistance wire 22, and the resistance wire 22 is uniformly arranged between the two aluminum heat conduction plates in a surrounding mode. For making the heating effect better, there is heat preservation 23 through bolt fixedly connected with outside the heat-conducting layer 15, and heat preservation 23 sets up to polyurethane insulation board, fixedly on the lateral wall of heat preservation 23 being provided with the switch 25 that is used for carrying on the circular telegram to resistance wire 22. When the resistance wire 22 is electrified, asphalt on the inner wall of the mixing barrel 1 is easier to clean under the heating action.

Referring to fig. 1 and 3, the driving positioning assembly comprises a support plate 5, a limiting cylinder 6 and a sleeve 7, the sleeve 7 is fixedly mounted on the inner bottom wall of the mixing barrel 1, the stirring rod 2 rotates and is movably inserted into the sleeve 7, the support plate 5 is close to one end of the sleeve 7, an integrally formed T-shaped connecting block 12 is arranged on the end face of the sleeve 7 close to the support plate 5, an annular connecting groove 13 is formed in the end face of the sleeve 7 close to the support plate 5, the circle center of the connecting groove 13 is located on the axis of the stirring rod 2, the connecting block 12 is in sliding fit with the connecting groove 13, and when the stirring rod 2 rotates, one end of the support plate 5 synchronously rotates on the end portion of the sleeve 7. In order to prevent asphalt in the mixing barrel 1 from falling into the connecting groove 13 easily and causing the connecting groove 13 to be blocked, a circular arc-shaped baffle plate 14 for blocking the opening side of the connecting groove 13 is fixedly connected to the support plate 5, and the baffle plate 14 is arranged on the sleeve 7 in a sliding manner.

Referring to fig. 3, the mounting hole 8 with a long strip shape is formed in the plate surface of the support plate 5 in a penetrating mode, the length direction of the mounting hole 8 is consistent with that of the support plate 5, the limiting cylinder 6 is hinged in the mounting hole 8, one end of the hinge shaft between the limiting cylinder 6 and the support plate 5 is fixedly embedded in the support plate 5, the other end of the hinge shaft is rotatably connected with the limiting cylinder 6, the hinge shaft between the limiting cylinder 6 and the support plate 5 and the hinge shaft between the stirring rod 2 and the connecting rod 4 are arranged in parallel, and the limiting cylinder 6 is slidably sleeved on the connecting rod 4. In order to enable the limiting cylinder 6 to rotate in the mounting hole 8, the length of the mounting hole 8 is larger than the diameter of the limiting cylinder 6.

Referring to fig. 1, mixing barrel 1 is provided with the adjusting part that is used for driving about puddler 2 and slides towards being close to/keeping away from sleeve 7 direction, the adjusting part includes connecting cylinder 9, rotary rod 10 and the locking piece 11 that is used for being connected connecting cylinder 9 with the locking of rotary rod 10, connecting cylinder 9 and puddler 2 keep away from sleeve 7's one end coaxial coupling and integrated into one piece setting, connecting cylinder 9 slides and runs through top cap 16 setting, the one end activity of rotary rod 10 is pegged graft in connecting cylinder 9, rotary rod 10 rotating bracket establishes on mixing barrel 1's outer roof. Locking piece 11 sets up to fixing bolt, and is corresponding, runs through threaded hole on the connecting cylinder 9, because the relative rotary rod 10's of screw hole position changes in the accommodation process, consequently corresponds on the rotary rod 10 and is provided with a plurality of fixed orificess 24, and a plurality of fixed orificess 24 are evenly laid along the axial of rotary rod 10. The rotating rod 10 is driven by the motor 19 to rotate and drive the connecting cylinder 9 to rotate, thereby driving the stirring rod 2 to rotate.

When the distance between scraper blade 3 and the 1 inner wall of tempering tank needs to be adjusted, fixing bolt screws off earlier, the axial along rotary rod 10 removes connecting cylinder 9 towards the direction of keeping away from rotary rod 10, puddler 2 moves towards the direction that is close to sleeve 7 along with connecting cylinder 9 is synchronous, make connecting rod 4 and the relative extension board 5 motion of the relative one end of puddler 2 looks articulated, the contained angle size between connecting rod 4 and puddler 2 changes, because the length of connecting rod 4 is fixed, the distance between scraper blade 3 and the 1 inner wall of tempering tank just changes. Observe through visual window 20, when scraper blade 3 contacted with pitch, stop to remove connecting cylinder 9, rethread fixing bolt is with connecting cylinder 9 and rotary rod 10 locking, can accomplish the regulation to the distance between scraper blade 3 and the 1 inner wall of blending tank.

Referring to fig. 1, in order to make the rotation of the rotating rod 10, the connecting cylinder 9 and the stirring rod 2 more stable during the rotation process, a flange 26 is integrally formed at one end of the connecting cylinder 9 close to the rotating rod 10, a fixing disc 27 is fixedly sleeved at one end of the rotating rod 10 close to the connecting cylinder 9, and after the connecting cylinder 9 and the rotating rod 10 are fixed by fixing bolts, the flange 26 and the fixing disc 27 are fixed by a plurality of stud bolts 28. In addition, the flanging 26 is arranged on the connecting cylinder 9, so that when the position of the stirring rod 2 needs to be adjusted, the connecting cylinder 9 can be conveniently lifted or put down through the flanging 26, and the stirring rod 2 can slide towards the direction close to or away from the sleeve 7.

The embodiment of the application provides an implementation principle of pitch agitating unit's supplementary clearance mechanism for highway construction does: when needs clear up blending drum 1 inner wall, earlier preheat resistance wire 22 circular telegram, stud 28 and fixing bolt screw down again, make connecting cylinder 9 remove towards the direction of keeping away from rotary rod 10 along the axial of rotary rod 10 through turn-ups 26, puddler 2 removes towards the direction of being close to sleeve 7 along connecting cylinder 9, make connecting rod 4 and the relative extension board 5 motion of puddler 2 articulated one end mutually, the contained angle size between connecting rod 4 and the puddler 2 changes, the distance between scraper blade 3 and the blending drum 1 inner wall just changes. Observe through visual window 20, when scraper blade 3 contacted with pitch, stop to remove connecting cylinder 9, rethread fixing bolt with connecting cylinder 9 and rotary rod 10 locking, through stud 28 with turn-ups 26 and fixed disk 27 locking, the completion is to the regulation of the distance between scraper blade 3 and the mixing barrel 1 inner wall.

The motor 19 is started and the rotating rod 10 is driven to rotate, the rotating rod 10 drives the connecting cylinder 9 and the stirring rod 2 to rotate, so that the connecting rod 4, the support plate 5 and the scraper 3 are driven to rotate, the scraper 3 scrapes the inner wall of the mixing barrel 1, and the cleaned asphalt flows out through the discharge hole 17 under the action of gravity. After the surface layer asphalt is scraped, the motor 19 is turned off, the adjusting process is repeated, so that the scraping plate 3 is in contact with the inner layer asphalt, the motor 19 is turned on, and the inner wall of the mixing barrel 1 is scraped again. The above-described adjustment and sweeping process is repeated until the inner wall of the mixing tub 1 is sufficiently cleaned.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a highway construction is with pitch agitating unit's supplementary clearance mechanism, is in including blending tank (1), rotation setting puddler (2) and setting on the roof are in blending tank (1) scraper blade (3) on puddler (2), scraper blade (3) with the inside wall activity butt of blending tank (1), its characterized in that: still including articulated setting connecting rod (4) on puddler (2), scraper blade (3) with connecting rod (4) are kept away from the one end of puddler (2) is articulated mutually, be provided with on puddler (2) and be used for adjusting connecting rod (4) with the drive locating component of contained angle size between puddler (2).

2. The auxiliary cleaning mechanism for the asphalt mixing device for road construction according to claim 1, characterized in that: the driving positioning assembly comprises a support plate (5), a limiting cylinder (6) and a sleeve (7), the sleeve (7) is fixedly installed on the inner bottom wall of the mixing barrel (1), the stirring rod (2) rotates and is movably inserted into the sleeve (7), one end of the support plate (5) is connected with the end part of the sleeve (7) in a sliding mode, an installation hole (8) penetrates through the plate surface of the support plate (5), the limiting cylinder (6) is hinged in the installation hole (8), the limiting cylinder (6) is sleeved on the connecting rod (4) in a sliding mode, and an adjusting assembly used for driving the stirring rod (2) to slide towards the direction close to or away from the sleeve (7) is arranged on the mixing barrel (1); when the stirring rod (2) rotates, one end of the support plate (5) synchronously rotates on the end part of the sleeve (7).

3. The auxiliary cleaning mechanism of the asphalt stirring device for road construction as claimed in claim 2, wherein: the adjusting assembly comprises a connecting cylinder (9), a rotating rod (10) and a locking piece (11) used for connecting the connecting cylinder (9) with the rotating rod (10) in a locking mode, the connecting cylinder (9) is far away from the stirring rod (2) and is fixedly connected with one end of the sleeve (7) in a coaxial mode, the connecting cylinder (9) slides to penetrate through the top wall of the mixing barrel (1), the rotating rod (10) is rotatably erected on the outer top wall of the mixing barrel (1), one end of the rotating rod (10) is movably connected in the connecting cylinder (9), and the mixing barrel (1) is provided with a rotating piece used for driving the rotating rod (10) to rotate.

4. The auxiliary cleaning mechanism of the asphalt mixing device for road construction according to claim 3, wherein: a reinforcing component for stably locking and connecting the connecting cylinder (9) and the rotating rod (10) is arranged between the connecting cylinder and the rotating rod.

5. The auxiliary cleaning mechanism of the asphalt stirring device for road construction as claimed in claim 2, wherein: the supporting plate (5) is close to one end of the sleeve (7) and is fixedly connected with a connecting block (12), the sleeve (7) is close to the end face of the supporting plate (5) and is provided with a circular connecting groove (13), the circle center of the connecting groove (13) is located on the axis of the stirring rod (2), and the connecting block (12) is in sliding fit with the connecting groove (13).

6. The auxiliary cleaning mechanism of the asphalt mixing device for road construction according to claim 5, wherein: the support plate (5) is provided with a circular arc-shaped baffle plate (14) used for blocking the opening side of the connecting groove (13), and the baffle plate (14) is arranged on the sleeve (7) in a sliding mode.

7. The auxiliary cleaning mechanism of the asphalt stirring device for road construction as claimed in claim 1, wherein: the side wall of the mixing barrel (1) is provided with a heat conduction layer (15), and a heating element is arranged in the heat conduction layer (15).

8. The auxiliary cleaning mechanism of the asphalt stirring device for road construction as claimed in claim 1, wherein: the outer side wall of the mixing barrel (1) is provided with a visible area.