CN112796191A - Highway construction pitch heating conveyor - Google Patents
Highway construction pitch heating conveyor Download PDFInfo
- Publication number
- CN112796191A CN112796191A CN202110252235.XA CN202110252235A CN112796191A CN 112796191 A CN112796191 A CN 112796191A CN 202110252235 A CN202110252235 A CN 202110252235A CN 112796191 A CN112796191 A CN 112796191A
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- Prior art keywords
- storage tank
- stirring
- wall
- rod
- hot air
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 42
- 238000007790 scraping Methods 0.000 claims abstract description 29
- 238000003756 stirring Methods 0.000 claims description 101
- 229920001971 elastomer Polymers 0.000 claims description 9
- 239000005060 rubber Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 20
- 239000011295 pitch Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 239000002699 waste material Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/08—Apparatus for transporting and heating or melting asphalt, bitumen, tar, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
- E01C19/10—Apparatus or plants for premixing or precoating aggregate or fillers with non-hydraulic binders, e.g. with bitumen, with resins, i.e. producing mixtures or coating aggregates otherwise than by penetrating or surface dressing; Apparatus for premixing non-hydraulic mixtures prior to placing or for reconditioning salvaged non-hydraulic compositions
- E01C19/1013—Plant characterised by the mode of operation or the construction of the mixing apparatus; Mixing apparatus
- E01C19/104—Mixing by means of movable members in a non-rotating mixing enclosure, e.g. stirrers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The utility model relates to a highway construction asphalt heating and conveying device, which comprises a storage tank and a transport vehicle, wherein the storage tank is provided with a scraping device and a hot air device, the scraping device comprises an air cylinder and a scraper blade, the upper end of the storage tank is provided with an opening for the scraper blade to penetrate into the storage tank, the air cylinder is arranged at the upper end of the storage tank along the direction parallel to the axis of the storage tank, a piston rod of the air cylinder is connected with the scraper blade and faces the opening of the storage tank, the hot air device comprises a hot air blower and a hot air pipe, the hot air blower is arranged on the storage tank, the scraper blade is hollow, the hot air blower is communicated with the scraper blade through the hot air pipe, one surface of the scraper blade, which is used for abutting against the inner wall of the, the overhanging plate is used for scraping the inner wall of the storage tank by abutting against the inner wall of the storage tank, and a gap is reserved between the air outlet of the scraping plate and the inner wall of the storage tank. This application has the remaining effect of reduction pitch in the storage tank.
Description
Technical Field
The application relates to the field of asphalt storage and transportation equipment, in particular to a road construction asphalt heating and transporting device.
Background
At present, asphalt is one of high-viscosity organic liquids, and is mainly used in the industries of coatings, plastics, rubbers and the like and for paving highway pavements. When paving the asphalt pavement, the asphalt needs to be transported to a paving place, and the pavement of the pavement is paved after the asphalt is heated.
Among the correlation technique, pitch is placed and is deposited in the storage tank, and the storage tank is fixed and is transported on the dolly, is provided with in the storage tank to be used for carrying out the agitating unit that stirs to pitch to and carry out the heating device who heats to pitch for pitch can not solidify in the storage tank. The in-process of making up after heating pitch, certain pitch can be remained to the storage tank inner wall, is difficult to clear up.
In view of the above-mentioned related art, the inventor believes that there is a defect that the inner wall of the asphalt storage tank causes resource waste.
Disclosure of Invention
In order to reduce the residue of pitch in the storage tank, this application provides a highway construction pitch heating conveyor.
The application provides a pair of highway construction pitch heating conveyor adopts following technical scheme:
a highway construction asphalt heating and conveying device comprises a storage tank and a transport vehicle, wherein a feed valve is arranged at the upper end of the storage tank, a discharge valve is arranged at the lower end of the storage tank, the storage tank is placed on the transport vehicle, a scraping device and a hot air device are arranged on the storage tank, the scraping device comprises an air cylinder and a scraper blade, an opening for the scraper blade to penetrate into the storage tank is formed in the upper end of the storage tank, the air cylinder is arranged at the upper end of the storage tank along the direction parallel to the axis of the storage tank, a piston rod of the air cylinder is connected with the scraper blade and faces the opening of the storage tank, the hot air device comprises a hot air fan and a hot air pipe, the hot air fan is arranged on the storage tank, the scraper blade is hollow, the hot air fan is communicated with the scraper blade through the hot air pipe, and an extending plate and an air outlet are sequentially arranged on, when the scraper blade penetrates the storage tank, the overhanging plate is connected with the inner wall of the storage tank in a butting manner and is used for scraping the inner wall of the storage tank, and a gap is reserved between the air outlet of the scraper blade and the inner wall of the storage tank.
By adopting the technical scheme, when asphalt remained on the inner wall of the storage tank is cleaned, the discharge valve of the storage tank is opened, the air cylinder is started, the piston rod of the air cylinder drives the scraper blade to penetrate through the opening of the storage tank and enter the storage tank, after the scraper blade enters the storage tank, the extending plate is abutted against the inner wall of the storage tank, the hot air blower is started simultaneously, hot air is introduced into the scraper blade through the hot air pipe, and is blown to the inner wall of the storage tank through the air outlet of the scraper blade, and the asphalt on the inner wall of the storage tank is heated; because overhanging board and air outlet set gradually from top to bottom along storage tank axis direction on, so heat-softened pitch at hot-blast to under cylinder piston rod's continuation drive, overhanging board can be scraped the pitch after the heat-softened on the storage tank inner wall, and the bleeder valve that a large amount of pitches of scraping fall through the storage tank falls out, avoids pitch to remain and causes the wasting of resources in the storage tank inner wall.
Optionally, a stirring rod is coaxially arranged in the material storage tank, the stirring paddle penetrates out of the material storage tank and is connected with a motor at the upper end of the material storage tank, the stirring rod is provided with a plurality of first stirring blades perpendicular to the axis of the material storage tank along the length direction of the stirring rod, the lower end of the stirring rod is rotatably connected with a second stirring blade, a first torsion spring used for upward rotation of the second stirring blade is arranged at the rotating connection position of the second stirring blade and the stirring rod, a first abutting block used for limiting the rotation of the second stirring blade and enabling the second stirring blade to be parallel to the first stirring blade is arranged on the stirring rod, the material storage tank comprises a cylindrical part and a semicircular part which are arranged from top to bottom, the discharge valve is arranged at the bottom of the semicircular part, the rotating axis of the second stirring blade is the same as the spherical center of the semicircular part, and the length of the second stirring blade, one end, far away from the puddler, of the second stirring blade is provided with a semicircular plate attached to the semicircular arc part, the semicircular plate is abutted against the semicircular arc part, the lower end face of the scraper is rotatably connected with a supporting rod, and one end, far away from the scraper, of the supporting rod is rotatably connected with a second supporting block.
By adopting the technical scheme, because the fluidity of the asphalt is poor, the asphalt is difficult to flow into the discharge valve of the asphalt along the inner wall of the storage tank, therefore, the material storage tank comprises a cylindrical part and a semi-spherical part which are arranged from top to bottom, a piston rod of the cylinder drives an extending plate on the scraping plate to scrape the wall surface of the cylindrical part, the scraping plate continues to move towards the discharge valve under the drive of the piston rod of the cylinder, so that a support rod on the scraping plate drives a second support block to abut against a second stirring blade, because the second stirring blade is rotatably connected with the stirring rod, and one end of the second stirring blade far away from the stirring rod is abutted against the wall surface of the semi-spherical part, therefore, in the process that the outward extending plate moves towards the discharge valve and scrapes the wall surface of the cylindrical part, the second stirring blade rotates along the center of the semi-sphere under the abutting action of the abutting rod, so that the second stirring blade drives the semi-sphere plate to abut against the wall surface of the semi-sphere part; in the process, the upper end of the abutting rod and the scraper rotate relatively, the lower end of the abutting rod also rotates with the second abutting block, the semicircular plate can scrape the wall surface of the semicircular part on one hand, and on the other hand, the outer extending plate can scrape the cylindrical part and scrape asphalt flowing to the wall surface of the semicircular part to the discharge valve together, and then the outer extending plate and the asphalt scraped by the semicircular plate are discharged and utilized together through the discharge valve, so that the waste of resources is further reduced; and when the piston rod of the cylinder moves to the maximum stroke and then resets, the scraper drives the abutting rod to move upwards, and the second stirring blade also rotates to a position parallel to the first stirring blade under the action of the first torsion spring so as to repeatedly scrape the wall surfaces of the cylindrical part and the semi-spherical part.
Optionally, a magnet for magnetically connecting with the second stirring blade is arranged on the lower end face of the second abutting block.
Through adopting above-mentioned technical scheme, through being provided with magnet, at the second support the in-process of piece and second stirring vane butt, the second supports the piece and adsorbs mutually through magnet and second stirring vane to reduce the second and support the piece and take place the condition of relative slip with second stirring vane.
Optionally, a second torsion spring used for the support rod to rotate towards the inner wall of the storage tank is arranged at the rotating connection position of the support rod and the scraper, a first stop block is arranged between the support rod and the inner wall of the storage tank on the lower end face of the scraper, and the first stop block is abutted against the support rod and is used for the support rod to be parallel to the axis of the storage tank.
Through adopting above-mentioned technical scheme, because the second is supported the piece down the terminal surface and is provided with magnet, for avoiding under the adsorption of magnet, support the pole and rotate towards the storage tank inner wall, through being provided with first dog, first dog with support the pole looks butt back, the restriction is supported the pole and is moved towards the storage tank inner wall, avoids influencing and supports pole and second stirring vane butt.
Optionally, a second stop block used for abutting against the second abutting block and limiting the rotation of the abutting rod is arranged on the upper end face of the second stirring blade.
Through adopting above-mentioned technical scheme, after second support piece and second stirring vane looks butt, through the absorption of magnet, still can have the second to support the condition that piece and second stirring vane take place relative movement, cause the second stirring vane to be difficult to the condition of scraping the hemisphere portion inner wall, through setting up the second dog, the second dog supports the piece at the second and supports the back on the second stirring vane, the second dog can block that the second supports the piece and breaks away from with second stirring vane mutually.
Optionally, one side of the first stop block departing from the stirring rod along the length direction of the second stirring blade is provided with an inwards concave arc-shaped groove, and the second abutting block is provided with an arc-shaped block used for being clamped in the arc-shaped groove.
By adopting the technical scheme, the second supporting block is separated from the second stirring blade for avoiding overlarge rotation angle of the supporting rod, so that the second supporting block is abutted to the second stirring blade, and the arc-shaped block can be clamped into the arc-shaped groove to further avoid the separation of the second supporting block and the second stirring blade in the process that the second supporting block and the second stirring blade slide relatively.
Optionally, overhanging board includes inner panel and planking, planking cavity and planking are towards storage tank inner wall opening, sliding connection is worn to establish in the planking by the inner panel, the planking opening is worn out towards the storage tank inner wall to an inner panel terminal surface, wear to be equipped with the spring that the planking was worn out to the butt inner panel in the planking, be provided with in the storage tank opening inner wall and be used for the wedge with inner panel looks butt, the wedge is isosceles triangle along the cross section of storage tank axis direction, the base length direction of the cross section of storage tank axis direction is followed to the wedge and is paralleled with storage tank axis direction.
By adopting the technical scheme, in the process that the overhanging plate enters the material storage tank, the inner plate moves towards the inner part of the outer plate after being abutted against the wedge-shaped block, so that the overhanging plate can smoothly pass through the opening of the material storage tank and enter the material storage tank; after entering the storage tank, the inner plate can be abutted against the inner wall of the storage tank under the abutting action of the spring, so that the residual asphalt is scraped conveniently; in the process that the overhanging plate penetrates out through the opening of the storage tank, the inner plate is abutted against the wedge block, so that the overhanging plate can smoothly penetrate out of the opening of the storage tank.
Optionally, a rubber pad is disposed on one surface of the extending plate abutting against the cylindrical portion and one surface of the semicircular plate abutting against the semicircular portion.
By adopting the technical scheme, the rubber pad is arranged on the outward extending plate, so that the outward extending plate can be tightly abutted against the cylindrical part, and the outward extending plate can scrape residual asphalt on the cylindrical part conveniently; the rubber pad is arranged on the semicircular plate, so that the semicircular plate can be tightly abutted to the semicircular part, and the semicircular plate can scrape residual asphalt on the semicircular part conveniently.
In summary, the present application includes at least one of the following beneficial technical effects:
1. a piston rod of the air cylinder drives the scraper to penetrate through an opening of the material storage tank and enter the material storage tank, after the scraper enters the material storage tank, the overhanging plate abuts against the inner wall of the material storage tank, and meanwhile, a hot air blower is started and is introduced towards the scraper through a hot air pipe, and the hot air blows towards the inner wall of the material storage tank through an air outlet of the scraper and heats asphalt on the inner wall of the material storage tank; because the overhanging plate and the air outlet are sequentially arranged from top to bottom along the axis direction of the storage tank, asphalt is heated and softened by hot air, and the overhanging plate can scrape the asphalt heated and softened on the inner wall of the storage tank under the continuous driving of the piston rod of the air cylinder, a large amount of scraped asphalt falls out through the discharge valve of the storage tank, and the asphalt is prevented from remaining in the inner wall of the storage tank to cause resource waste;
2. in the process that the outward extending plate moves towards the discharge valve and scrapes the wall surface of the cylindrical part, the second stirring blade is under the abutting action of the abutting rod, the second stirring blade rotates along the center of the semi-sphere, the second stirring blade drives the semi-sphere and the wall surface of the semi-sphere to abut, in the process, the upper end of the abutting rod and the scraping plate rotate relatively, the lower end of the abutting rod also rotates with the second abutting block, on one hand, the semi-sphere can scrape the wall surface of the semi-sphere, on the other hand, the outward extending plate can scrape the cylindrical part and scrape asphalt flowing to the wall surface of the semi-sphere together to the discharge valve, then the outward extending plate and the asphalt scraped by the semi-sphere are discharged and utilized together through the discharge valve, and the waste of resources is further reduced.
Drawings
FIG. 1 is a general schematic view of an asphalt heating and conveying device for road construction according to an embodiment of the present application.
FIG. 2 is a sectional view of a storage tank according to an embodiment of the present application.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.
Fig. 5 is a partial structural view of a squeegee according to an embodiment of the present application.
FIG. 6 is a schematic structural view of a second stirring blade according to an embodiment of the present invention.
Description of reference numerals: 1. a stirring rod; 2. a transport vehicle; 3. a feed valve; 4. a discharge valve; 5. a material storage tank; 51. a cylindrical portion; 52. a semi-circular ball portion; 6. a scraping device; 61. a cylinder; 62. a squeegee; 621. an overhang plate; 6211. an inner plate; 6212. an outer plate; 6213. a spring; 622. an air outlet; 7. a hot air device; 71. a hot air blower; 72. a hot air pipe; 8. a motor; 9. a first stirring blade; 10. a second stirring blade; 11. a first torsion spring; 12. a first resisting block; 13. a semicircular plate; 14. a support rod; 15. a second resisting block; 16. a magnet; 17. a second torsion spring; 18. a first stopper; 19. a second stopper; 20. an arc-shaped slot; 21. an arc-shaped block; 22. a wedge block; 23. and (7) a rubber pad.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses highway construction pitch heating conveyor. With reference to fig. 1 and 2, the asphalt heating and conveying device for road construction comprises a storage tank 5 and a transport vehicle 2, wherein the storage tank 5 comprises a cylindrical part 51 and a hemispherical part 52 which are arranged from top to bottom, the cylindrical part 51 and the hemispherical part 52 are welded into a whole, the radius of the cylindrical part 51 is the same as that of the hemispherical part 52, a feeding valve 3 for asphalt feeding is arranged on the upper end surface of the cylindrical part 51, a discharge valve 4 for asphalt discharging is arranged on the lower part of the hemispherical part 52, and the discharge valve 4 is arranged at the lowest end of the hemispherical part 52. The semi-spherical part 52 is detachably connected to the transport vehicle 2 through a bolt, and the transport vehicle 2 is provided with an opening for the discharge valve 4 to pass through. The cylindrical part 51 is internally and coaxially connected with a stirring rod 1 in a rotating way through a bearing, the stirring paddle penetrates out of the cylindrical part 51, the upper end of the cylindrical part 51 is connected with a motor 8, and three first stirring blades 9 which are vertical to the axis of the material storage tank 5 are welded in the cylindrical part 51 of the stirring rod 1 along the length direction of the stirring rod.
Referring to fig. 2 and 3, the upper end of the cylindrical portion 51 is provided with a scraper 6 and a hot air heater 7. The scraping device 6 comprises an air cylinder 61 and a scraping plate 62, the upper end of the cylindrical part 51 is provided with an annular opening for the scraping plate 62 to penetrate into the cylindrical part 51, and the upper end surface of the cylindrical part 51 is rotatably connected with a turnover cover for shielding the annular opening of the cylindrical part 51 through a hinge. A support rod is welded on the upper end surface of the cylindrical part 51 along the axial direction parallel to the cylindrical part 51, and the air cylinder 61 is detachably connected to the support rod through a bolt along the axial direction parallel to the material storage tank 5. The scraping plate 62 is sequentially provided with an extending plate 621 and an air outlet 622 from top to bottom along the axial direction of the material storage tank 5, the extending plate 621 comprises an inner plate 6211 and an outer plate 6212, and a piston rod of the cylinder 61 is connected with the upper end face of the outer plate 6212 through a bolt. The outer plate 6212 is hollow, the outer plate 6212 opens toward the inner wall of the cylindrical portion 51, the inner plate 6211 is inserted into the outer plate 6212 in a sliding manner, a rubber pad 23 is bonded to one end face of the inner plate 6211 toward the inner wall of the accumulator tank 5 and penetrates through the opening of the outer plate 6212, and a spring 6213 abutting against the inner plate 6211 and penetrating through the outer plate 6212 is inserted into the outer plate 6212. The hot air device 7 comprises a hot air blower 71 and a hot air pipe 72, wherein the hot air pipe 72 is a hose. A holder is welded to a side surface of the cylindrical portion 51, and the hot air blower 71 is mounted on the holder by a bolt. The hot air blower 71 is connected to the air outlet 622 of the scraper 62 through the hot air pipe 72, the air outlet 622 is disposed toward the inner wall of the cylindrical portion 51, and a gap is formed between the air outlet 622 of the scraper 62 and the inner wall of the cylindrical portion 51.
Referring to fig. 2 and 4, a wedge block 22 is integrally formed in the inner wall of the opening of the cylindrical portion 51, the cross section of the wedge block 22 along the axial direction of the cylindrical portion 51 is an isosceles triangle, the length direction of the bottom side of the cross section of the wedge block 22 along the axial direction of the cylindrical portion 51 is parallel to the axial direction of the cylindrical portion 51, and the plane where the bottom side of the cross section of the wedge block 22 along the axial direction of the cylindrical portion 51 is located is flush with the inner wall surface of the cylindrical portion 51.
Referring to fig. 5 and 6, the lower end of the stirring rod 1 is rotatably connected to two second stirring blades 10 by a hinge, the rotation axis of the second stirring blade 10 is the same as the spherical center of the hemispherical portion 52, and the length of the second stirring blade 10 is the same as the radius of the hemispherical portion. One end of the second stirring blade 10 far away from the stirring rod 1 is welded with a semicircular plate 13 attached to the semicircular part 52 in an arc shape, and a rubber pad 23 is bonded to one surface of the semicircular plate 13, which is used for abutting against the wall surface of the semicircular part 52. The hinge joint of the second stirring blade 10 and the stirring rod 1 is provided with a first torsion spring 11 for the second stirring blade 10 to rotate upwards, and the stirring rod 1 is welded with a first abutting block 12 for limiting the rotation of the second stirring blade 10 and enabling the second stirring blade 10 to be parallel to the first stirring blade 9.
Referring to fig. 5 and 6, the lower end surface of the scraping plate 62 is rotatably connected with a resisting rod 14 through a hinge, a second torsion spring 17 for rotating the resisting rod 14 towards the inner wall of the material storage tank 5 is arranged at the hinge joint of the resisting rod 14 and the scraping plate 62, a first stop block 18 is vertically welded on the lower end surface of the outer plate 6212, and the first stop block 18 is abutted against the resisting rod 14 and used for keeping the resisting rod 14 vertical to the outer plate 6212. One end of the abutting rod 14 far away from the scraper 62 is rotatably connected with a second abutting block 15 through a hinge, and a magnet 16 for magnetically connecting with the second stirring blade 10 is arranged on the lower end face of the second abutting block 15. The upper end face of the second stirring blade 10 is provided with a second stop block 19 which is used for abutting against the second abutting block 15 and limiting the abutting rod 14 to rotate, a concave arc-shaped groove 20 is integrally formed on one side face, deviating from the stirring rod 1, of the first stop block 18 along the length direction of the second stirring blade 10, and an arc-shaped block 21 used for being clamped in the arc-shaped groove 20 is integrally formed on the second abutting block 15.
The implementation principle of the road construction asphalt heating and conveying device in the embodiment of the application is as follows: when the asphalt remaining on the inner wall of the storage tank 5 is cleaned, the lid on the upper end surface of the cylindrical portion 51 is opened, and the discharge valve 4 on the lower end of the semi-spherical portion 52 is opened. The cylinder 61 is actuated, and the piston rod of the cylinder 61 drives the blade 62 through the opening of the cylindrical portion 51 into the cylindrical portion 51. In the process that the protruding plate 621 penetrates through the opening, the inner plate 6211 is abutted to the wedge block 22 and then moves towards the inner side of the outer plate 6212, so that the protruding plate 621 can smoothly pass through the opening of the cylindrical part 51 and enter the cylindrical part 51, and the inner plate 6211 is prevented from being abutted to the wall surface of the opening and then being difficult to enter the cylindrical part 51.
After entering the cylindrical portion 51, the rubber pad 23 on the inner plate 6211 is brought into contact with the inner wall of the cylindrical portion 51 by the contact action of the spring 6213, thereby scraping the residual asphalt on the inner wall of the cylindrical portion 51 in the axial direction of the cylindrical portion 51. The scraping plate 62 is driven by the piston rod of the cylinder 61 to continue to move towards the discharge valve 4, so that the abutting rod 14 on the scraping plate 62 drives the magnet 16 on the second abutting block 15 to magnetically connect with the second stirring blade 10. When the second abutting block 15 and the second stirring blade 10 move relatively, the arc-shaped block 21 on the second abutting block 15 is clamped into the arc-shaped groove 20 of the first stop block 18, so that the second abutting block 15 is prevented from being separated from the second stirring blade 10.
Therefore, under the abutting action of the abutting rod 14, the second stirring blade 10 rotates along the spherical center of the semi-spherical ball, so that the second stirring blade 10 drives the semi-circular plate 13 to abut against the wall surface of the semi-spherical portion 52; in the process, the upper end of the abutting rod 14 and the scraper 62 rotate relatively, the lower end of the abutting rod 14 also rotates with the second abutting block 15, the semicircular plate 13 can scrape the wall surface of the semicircular part 52 on one hand, and on the other hand, the outer extending plate 621 can scrape asphalt flowing to the wall surface of the semicircular part 52 and the cylindrical part 51 to the discharge valve 4 together, and then the asphalt scraped by the outer extending plate 621 and the semicircular plate 13 is discharged and utilized together through the discharge valve 4, so that the waste of resources is further reduced.
When the piston rod of the cylinder 61 is reset after moving to the maximum stroke, the scraper 62 drives the abutting rod 14 to move upwards, and the second stirring blade 10 also rotates to a position parallel to the first stirring blade 9 under the action of the first torsion spring 11, so that the wall surfaces of the cylindrical part 51 and the semi-spherical part 52 are scraped repeatedly.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a highway construction pitch heating conveyor which characterized in that: comprises a storage tank (5) and a transport vehicle (2), wherein a feed valve (3) is arranged at the upper end of the storage tank (5), a discharge valve (4) is arranged at the lower end of the storage tank (5), the storage tank (5) is placed on the transport vehicle (2), a scraping device (6) and a hot air device (7) are arranged on the storage tank (5), the scraping device (6) comprises an air cylinder (61) and a scraping plate (62), an opening for the scraping plate (62) to penetrate into the storage tank (5) is arranged at the upper end of the storage tank (5), the air cylinder (61) is arranged at the upper end of the storage tank (5) along the axis direction parallel to the storage tank (5), a piston rod of the air cylinder (61) is connected with the scraping plate (62) and faces the opening of the storage tank (5), the hot air device (7) comprises a hot air fan (71) and a hot air pipe (72), the hot air fan (71) is arranged on the storage tank, scraper blade (62) inside cavity, air heater (71) are linked together through hot-blast main (72) and scraper blade (62), scraper blade (62) are used for along storage tank (5) axis direction the one side of inner wall looks butt with storage tank (5) from top to bottom has set gradually overhanging board (621) and air outlet (622), when scraper blade (62) penetrated storage tank (5), overhanging board (621) and storage tank (5) inner wall looks butt are used for scraping storage tank (5) inner wall, there is the clearance scraper blade (62) air outlet (622) and storage tank (5) inner wall.
2. The asphalt heating and conveying device for road construction according to claim 1, wherein: the stirring device is characterized in that a stirring rod (1) is coaxially arranged in the storage tank (5), the stirring paddle penetrates out of the storage tank (5) and is connected with a motor (8) at the upper end of the storage tank (5), the stirring rod (1) is provided with a plurality of first stirring blades (9) perpendicular to the axis of the storage tank (5) along the length direction of the stirring rod, the lower end of the stirring rod (1) is rotatably connected with second stirring blades (10), a first torsion spring (11) used for enabling the second stirring blades (10) to rotate upwards is arranged at the rotating connection position of the second stirring blades (10) and the stirring rod (1), a first abutting block (12) used for limiting the second stirring blades (10) to rotate and enabling the second stirring blades (10) to be parallel to the first stirring blades (9) is arranged on the stirring rod (1), the storage tank (5) comprises a cylindrical part (51) and a semi-circular part (52) which are arranged from top to bottom, bleeder valve (4) set up in the bottom of semicircle sphere (52), the rotation axis of second stirring vane (10) is the same with semicircle sphere (52) centre of sphere, the length of second stirring vane (10) is the same with semicircle sphere radius, the one end that puddler (1) was kept away from in second stirring vane (10) is provided with semicircle board (13) of laminating mutually with semicircle sphere (52) arc, semicircle board (13) and semicircle sphere (52) looks butt, the lower terminal surface rotation of scraper blade (62) is connected with and supports pole (14), support pole (14) keep away from the one end rotation that scraper blade (62) is connected with second and supports piece (15).
3. The asphalt heating and conveying device for road construction according to claim 2, wherein: and a magnet (16) which is magnetically connected with the second stirring blade (10) is arranged on the lower end surface of the second abutting block (15).
4. The asphalt heating and conveying device for road construction according to claim 3, wherein: the rotary joint of the support rod (14) and the scraper (62) is provided with a second torsion spring (17) which is used for the support rod (14) to rotate towards the inner wall of the storage tank (5), a first stop block (18) is arranged between the support rod (14) and the inner wall of the storage tank (5) on the lower end face of the scraper (62), and the first stop block (18) is abutted against the support rod (14) and is used for the support rod (14) to be parallel to the axis of the storage tank (5).
5. The asphalt heating and conveying device for road construction according to claim 2, wherein: and a second stop block (19) which is used for abutting against the second abutting block (15) and limiting the rotation of the abutting rod (14) is arranged on the upper end face of the second stirring blade (10).
6. The asphalt heating and conveying device for road construction according to claim 4, wherein: the side that first dog (18) deviate from puddler (1) along second stirring vane (10) length direction is provided with concave arc wall (20), be provided with arc piece (21) that are used for joint arc wall (20) on the second supports piece (15).
7. The asphalt heating and conveying device for road construction according to claim 1, wherein: overhanging plate (621) are including inner panel (6211) and planking (6212), planking (6212) cavity and planking (6212) are towards storage tank (5) inner wall opening, inner panel (6211) wear to establish and sliding connection in planking (6212), planking (6212) opening is worn out towards storage tank (5) inner wall to inner panel (6211) one end face, wear to be equipped with in planking (6212) butt inner panel (6211) and wear out spring (6213) of planking (6212), be provided with in storage tank (5) opening inner wall and be used for wedge piece (22) with inner panel (6211) looks butt, wedge piece (22) are isosceles triangle along storage tank (5) axis direction's cross section, base length direction and storage tank (5) axis direction parallel along storage tank (5) axis direction's cross section wedge piece (22).
8. The asphalt heating and conveying device for road construction according to claim 2, wherein: rubber pads (23) are arranged on one surface of the extending plate (621) which is abutted against the cylindrical part (51) and one surface of the semicircular plate (13) which is abutted against the semicircular part (52).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110252235.XA CN112796191B (en) | 2021-03-08 | 2021-03-08 | Highway construction pitch heating conveyor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110252235.XA CN112796191B (en) | 2021-03-08 | 2021-03-08 | Highway construction pitch heating conveyor |
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| CN112796191A true CN112796191A (en) | 2021-05-14 |
| CN112796191B CN112796191B (en) | 2022-06-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182218A (en) * | 2022-08-16 | 2022-10-14 | 浙江金航路桥工程有限公司 | Asphalt mixing plant |
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| Publication number | Publication date |
|---|---|
| CN112796191B (en) | 2022-06-21 |
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