CN114753211A - Production and preparation system and method for modified asphalt concrete - Google Patents
Production and preparation system and method for modified asphalt concrete Download PDFInfo
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- CN114753211A CN114753211A CN202210440339.8A CN202210440339A CN114753211A CN 114753211 A CN114753211 A CN 114753211A CN 202210440339 A CN202210440339 A CN 202210440339A CN 114753211 A CN114753211 A CN 114753211A
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 61
- 239000010426 asphalt Substances 0.000 claims abstract description 52
- 238000002156 mixing Methods 0.000 claims abstract description 41
- 239000004576 sand Substances 0.000 claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims description 60
- 230000007246 mechanism Effects 0.000 claims description 51
- 238000003860 storage Methods 0.000 claims description 29
- 238000007790 scraping Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 11
- 239000004575 stone Substances 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 206010024796 Logorrhoea Diseases 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000006467 substitution reaction Methods 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
- E01C19/10—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
-
- 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
-
- 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
- E01C19/1059—Controlling the operations; Devices solely for supplying or proportioning the ingredients
- E01C19/1068—Supplying or proportioning the ingredients
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a system and a method for producing and preparing modified asphalt concrete, and relates to the technical field of asphalt concrete preparation. The invention can intermittently enter asphalt and crushed sand into the mixing cylinder, can provide enough reaction time for the asphalt and the crushed sand through sequential quantitative feeding, can achieve the effect of full mixing reaction, and can scrape the asphalt and sand mixture adhered to the surface wall of the mixing paddle down in the rotating process of the mixing paddle to ensure the normal stirring action of the mixing paddle.
Description
Technical Field
The invention relates to the technical field of asphalt concrete preparation, in particular to a system and a method for producing and preparing modified asphalt concrete.
Background
Modified asphalt is an asphalt binder prepared by adding external additives (modifiers) such as rubber, resin, high-molecular polymer, finely ground rubber powder or other fillers or by adopting measures such as slightly oxidizing asphalt to improve the performance of asphalt or an asphalt mixture, and asphalt concrete is commonly called asphalt concrete, is a mixture prepared by manually selecting mineral aggregate with a certain gradation composition, and is prepared by mixing broken stone or crushed gravel, stone chips or sand, mineral powder and the like with a certain proportion of road asphalt material under strictly controlled conditions, and is widely applied to road construction.
In the traditional preparation process of modified asphalt concrete, asphalt and gravel are directly introduced into a mixing drum for mixing at one time, more material is fed, the raw materials are easily mixed unevenly, the mixing speed is low, the mixing effect is poor, and the mixing efficiency is low; in addition, the thick mixture of one deck pitch and grit of easy adhesion of stirring rake outer wall is at the in-process to raw materials stirring, if can not in time clear up, leads to the pitch grit mixture of stirring rake table wall adhesion more and more easily to reduced the stirring effect of stirring rake, influenced the intensive mixing of pitch and gravel.
Disclosure of Invention
The technical problem to be solved is as follows: the system and the method for producing and preparing the modified asphalt concrete can solve the problems pointed out in the background technology.
The technical scheme is as follows: in order to achieve the above purpose, the invention adopts the following technical scheme that the modified asphalt concrete production preparation system comprises an installation table, wherein the upper end surface of the installation table is fixedly connected with a mixing cylinder through a fixing strip, the upper part of the mixing cylinder is provided with a cylinder cover, the left part of the upper end surface of the installation table is fixedly connected with a storage mechanism for storing modified asphalt through a first L-shaped rod frame, the middle part of the upper end surface of the cylinder cover is provided with an intermittent feeding mechanism, the lower part of the storage mechanism is communicated with the intermittent feeding mechanism through a left conveying pipe, the right part of the upper end surface of the installation table is fixedly connected with a storage cylinder for storing crushed gravel through a second L-shaped rod frame, the lower part of the storage cylinder is provided with a blanking mechanism, the lower part of the blanking mechanism is communicated with the intermittent feeding mechanism through a right conveying pipe, and the intermittent feeding mechanism comprises a round table, a feeding hopper and a first annular chute, a second chute and a third chute, a fourth chute and a fourth chute are arranged on the lower part of the blanking mechanism, and a fourth chute are arranged on the left side of the installation table, and a vertical chute, the vertical chute, a vertical chute is arranged on the vertical chute, and a vertical chute, a, The novel feeding device comprises a first sliding block, a first arc-shaped through groove, a first groove cover, a first strip-shaped arc-shaped groove, a first driving lever, a second annular sliding groove, a second sliding block, a second arc-shaped through groove, a second groove cover, a second strip-shaped arc-shaped groove and a second driving lever, wherein the middle part of a cylinder cover is rotatably connected with a feeding hopper, the upper part of the feeding hopper is fixedly connected with a circular table, the upper end surface of the circular table is provided with the first annular sliding groove and the second annular sliding groove from outside to inside in a concentric circle manner, the first annular sliding groove is internally and slidably connected with the first sliding block, the upper part of the first sliding block is provided with a vertical through groove communicated with a left conveying pipe, the second annular sliding groove is internally and slidably connected with the second sliding block, the upper part of the second sliding block is provided with a vertical through groove communicated with a right conveying pipe, the left part of the bottom of the first annular sliding groove is provided with the first arc-shaped through groove, the first arc-shaped through groove is slidably connected with the first groove cover used for adjusting the size of the notch of the first arc-shaped through groove, the utility model discloses a circular platform outer table wall and be located the position of capping and seted up a strip arc wall No. one, a capping is close to the driving lever of a side end face fixedly connected with of a strip arc wall No. one, No. two annular spout tank bottom left parts have been seted up No. two arc and have been led to the groove, No. two arc lead to inslot portion sliding connection have be used for adjusting No. two capping of No. two arc logical groove notch sizes, No. two strip arc walls have been seted up to the circular platform outer table wall and the position that is located No. two capping, No. two capping are close to No. two driving lever of a side end face fixedly connected with of No. two strip arc walls, the capping up end passes through driving motor of L shape seat fixedly connected with, and driving motor's output shaft lower extreme fixed connection is at the circular platform up end.
Further, cross connecting rod fixedly connected with installation axle is passed through to feeder hopper inner chamber lower part, the circumference outer wall of installation axle all is through a plurality of stirring rake of fixed column equidistance fixedly connected with along its axis direction and circumferencial direction, and every stirring rake outside all overlaps and is equipped with the scraper cover, common fixedly connected with montant between two vertical adjacent scraper covers, is located upper portion scraper cover up end fixedly connected with traveller, the polygonal driving groove that is used for driving traveller reciprocating motion is offered to the cover lower extreme, and the protruding section quantity in polygonal driving groove and the vertical row number of stirring rake are corresponding, traveller sliding connection is inside the polygonal driving groove.
Furthermore, the end faces of the two sides of the scraping sleeve, which are close to and far away from the mounting shaft, are inclined shapes which are close to the connecting vertical rod part and are higher than and far away from the connecting vertical rod part.
Further, the storage mechanism comprises a heating cylinder, a stirring cylinder, discharge branch pipes, spoke-shaped scrapers, heating wires, an electric telescopic pressure rod, a piston, a spiral heating wire and an annular stirring paddle frame, the heating cylinder is fixedly connected to the front end face of the transverse section of the first L-shaped rod frame, a plurality of discharge branch pipes are communicated with the bottom of the heating cylinder cavity at equal intervals along the circumferential direction, a plurality of rows of discharge branch pipes are arranged from outside to inside, the lower end face of the heating cylinder is fixedly connected with a second driving motor, the output shaft of the second driving motor is fixedly connected with the spoke-shaped scrapers, the upper end faces of the spoke-shaped scrapers are contacted with the lower end ports of the discharge branch pipes, the heating wires are arranged in the inner cavity of the wall plate of the heating cylinder, the C-shaped frame is fixedly connected to the upper portion of the outer surface wall of the heating cylinder, the lower end face of the transverse section of the upper portion of the C-shaped frame is fixedly connected with the piston through the electric telescopic pressure rod, the heating device comprises a heating cylinder, a spiral heating wire, a spiral stirring paddle frame, a left conveying pipe and a spiral heating wire, wherein the lower end face of the heating cylinder is fixedly connected with the stirring cylinder, the spiral heating wire is arranged at the bottom of a cavity of the stirring cylinder, an output shaft of a second driving motor is positioned in an inner cavity of the stirring cylinder and is fixedly connected with the annular stirring paddle frame through a transverse rod, and the left conveying pipe is communicated with the lower portion of the stirring cylinder.
Further, the heating wires are distributed in an S shape.
Furthermore, a plurality of spiral scrapers which are contacted with the wall of the mixing drum are fixedly connected to the periphery of the outer surface wall of the annular mixing propeller bracket at equal intervals.
Further, unloading mechanism includes telescopic tube, the lantern ring, slide bar, sliding ring, mounting panel, slip post and the S form groove of sliding, storage section of thick bamboo lower part intercommunication has telescopic tube, and telescopic tube lower extreme and right conveyer pipe are linked together, the board is put to the vertical fixedly connected with of cover up end, erects the board rear end face and passes through the vertical equidistance fixedly connected with a plurality of sliding ring of spliced pole, the inside sliding connection of sliding ring has the slide bar, and the equal fixedly connected with cover of every slide bar left end establishes the lantern ring at the telescopic tube outside, the outside table wall rear side right part fixedly connected with slip post of slide bar, the reciprocating electric telescopic handle of buckling rod fixedly connected with is passed through to the cover up end right part, reciprocating electric telescopic handle upper end fixedly connected with mounting panel, the terminal surface is offered the S form groove of sliding that is used for driving slide bar reciprocating motion with the cooperation of slip post before the mounting panel.
A method for preparing modified asphalt concrete is completed by matching a modified asphalt concrete preparation system, and comprises the following steps: s1: and (3) placing the modified asphalt in a storage mechanism for heating, stirring and melting treatment, and placing the crushed sand and stones into a storage cylinder.
S2: the modified asphalt and the crushed sand stone in the step S1 are put into a mixing drum in a plurality of times through an intermittent feeding mechanism.
S3: the modified asphalt and the crushed sand in the step S2 are stirred and mixed by a stirring paddle rod.
Has the advantages that (1) the intermittent feeding mechanism comprises a circular truncated cone, a first sliding block, a first arc-shaped through groove, a first groove cover, a second sliding block, a second arc-shaped through groove and a second groove cover which are matched, the intermittent intersection of the first arc-shaped through groove and the first sliding block and the intermittent intersection of the second arc-shaped through groove and the second sliding block are utilized to realize the intermittent opening of the vertical through groove in the rotating process of the circular truncated cone, thereby leading the asphalt and the crushed sand to enter the mixing cylinder intermittently, leading the asphalt and the crushed sand to have enough reaction time by quantitative charging in turn, achieving the effect of full mixing reaction, the size of the openings of the first arc-shaped through groove and the second arc-shaped through groove can be adjusted by shifting the first groove cover and the second groove cover, and then the input amount of the asphalt and the crushed sand during quantitative feeding can be adjusted, the matching precision of all raw materials in the asphalt concrete is improved, and the generation quality of the asphalt concrete is improved.
(2) Through the cooperation of polygon drive groove, traveller and scraping cover, at the rotatory in-process of stirring paddle board, the traveller rotates along with the rotation of stirring paddle board to slide in the polygon drive groove, the traveller drives the scraping cover and constantly reciprocating motion at stirring paddle board outward appearance wall under the protruding section in polygon drive groove and sunken section are mutually supported, thereby can scrape the pitch grit mixture that adheres at its surface wall at stirring paddle board pivoted in-process and fall, guarantee the normal stirring effect of stirring paddle board.
(3) The utility model discloses a heating cylinder, the heating cylinder in through storing the mechanism, the churn, ejection of compact branch pipe, spoke scraper blade, the heater strip, electronic flexible depression bar, the cooperation of piston and annular stirring rake, utilize the heater strip tentatively to the pitch softening treatment, the pitch after softening is the strip through the piston extrusion after that, spoke scraper blade rotates again and will extrude banding pitch cutting and become blocky, make pitch can be evenly heated when melting pitch heating, the inhomogeneous condition appears when having avoided pitch heating to melt, make follow-up pitch and gravel can be abundant mix together.
(4) Through the cooperation of telescopic hose, the lantern ring, slide bar, sliding ring, mounting panel, slip post and the S form groove that slides among the unloading mechanism, reciprocating motion comes the extrusion to slide the horizontal reciprocating motion of post from top to bottom in the unloading in-process S form groove that slides, rethread slide bar and lantern ring drive telescopic hose wriggle after that for the in-process of garrulous grit unloading can normally be discharged, avoids appearing the condition of card material.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the installation structure of the intermittent feeding mechanism of the present invention.
FIG. 3 is a schematic view of a circular truncated cone structure of the present invention.
Fig. 4 is a schematic sectional structural view of an arc-shaped through groove of the first embodiment of the invention.
Fig. 5 is a schematic sectional structural view of an arc-shaped through groove II of the invention.
FIG. 6 is a schematic cross-sectional view of the mixing drum of the present invention.
FIG. 7 is a schematic view of the connecting structure of the strut and the polygonal driving groove of the present invention.
FIG. 8 is a schematic cross-sectional view of a storage mechanism according to the present invention.
FIG. 9 is a schematic view of the spoke squeegee mounting configuration of the present invention.
FIG. 10 is a schematic cross-sectional view of a wall plate of the cartridge heater of the present invention.
Fig. 11 is a schematic structural view of the blanking mechanism of the present invention.
FIG. 12 is a schematic view of the connection structure of the sliding column and the S-shaped sliding groove of the present invention.
In the figure: 1. an installation table; 2. a mixing drum; 3. a barrel cover; 4. a first L-shaped bar frame; 5. a storage mechanism; 51. a heating cylinder; 52. a mixing drum; 53. a discharge branch pipe; 54. spoke-like squeegees; 55. heating wires; 56. an electric telescopic pressure lever; 57. a piston; 58. a helical heating wire; 59. an annular stirring paddle frame; 510. a second drive motor; 6. an intermittent feed mechanism; 61. a circular truncated cone; 62. a feed hopper; 63-1, a first annular chute; 63-2, a first sliding block; 63-3, a first arc-shaped through groove; 63-4, a first groove cover; 63-5, a first strip arc-shaped groove; 63-6, a first deflector rod; 64-1 and a second annular chute; 64-2, a second sliding block; 64-3, a second arc through groove; 64-4, a second groove cover; 64-5, a second strip arc groove; 64-6, a second deflector rod; 65. a first driving motor; 7. a second L-shaped bar frame; 8. a storage cylinder; 9. a blanking mechanism; 91. a flexible hose; 92. a collar; 93. a slide bar; 94. a slip ring; 95. mounting a plate; 96. sliding the column; 97. an S-shaped sliding groove; 98. a reciprocating electric telescopic rod; 10. installing a shaft; 11. a paddle board; 12. scraping a material sleeve; 13. connecting the vertical rods; 14. a traveler; 15. a polygonal drive slot; 16. a helical flighting; 17. a left delivery pipe; 18. and a right delivery pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a modified asphalt concrete production preparation system, including mount table 1, 1 up end of mount table passes through fixed strip fixedly connected with mixing drum 2, 2 upper portions of mixing drum are provided with cover 3, 1 up end left part of mount table is used for storing modified asphalt's storage mechanism 5 through 4 fixedly connected with of L shape pole frame, 3 up end mid-mounting of cover has intermittent type feed mechanism 6, it is linked together through left conveyer pipe 17 and intermittent type feed mechanism 6 to store 5 lower parts of mechanism, 1 up end right part of mount table is used for storing a storage section of thick bamboo 8 of garrulous grit through 7 fixedly connected with of L shape pole frame No. two, unloading mechanism 9 is installed to 8 lower parts of a storage section of thick bamboo, unloading mechanism 9 lower parts are linked together through right conveyer pipe 18 and intermittent type feed mechanism 6.
Referring to fig. 8, 9 and 10, in the present embodiment, the storage mechanism 5 includes a heating cylinder 51, a mixing cylinder 52, a discharging branch pipe 53, a radial scraper 54, a heating wire 55, an electric telescopic press rod 56, a piston 57, a spiral heating wire 58 and an annular stirring paddle frame 59, the heating cylinder 51 is fixedly connected to the front end surface of the transverse section of the first L-shaped rod frame 4, the bottom of the heating cylinder 51 is equidistantly communicated with a plurality of discharging branch pipes 53 along the circumferential direction, the discharging branch pipes 53 are provided with a plurality of rows from the outside to the inside, the lower end surface of the heating cylinder 51 is fixedly connected with a second driving motor 510, the output shaft of the second driving motor 510 is fixedly connected with the radial scraper 54, the upper end surface of the radial scraper 54 is in contact with the lower end ports of the discharging branch pipes 53, the heating wire 55 is arranged in the inner cavity of the wall of the heating cylinder 51, the upper part of the outer wall of the heating cylinder 51 is fixedly connected with a C-shaped frame, the lower end surface of the upper transverse section of the C-shaped frame is positioned in the inner cavity of the heating cylinder 51 and is fixedly connected with the piston 57 through the electric telescopic press rod 56, the lower end face of the heating cylinder 51 is fixedly connected with the stirring cylinder 52, the cavity bottom of the stirring cylinder 52 is provided with the spiral heating wire 58, the output shaft of the second driving motor 510 is positioned in the inner cavity of the stirring cylinder 52 and is fixedly connected with the annular stirring paddle frame 59 through the cross rod, the left conveying pipe 17 is communicated with the lower portion of the stirring cylinder 52, the heating wire 55 is distributed in an S shape, the contact area between the heating wire 55 and the heating cylinder 51 can be increased, and therefore the heating effect is improved.
Referring to fig. 8, a plurality of spiral scrapers 16 contacting the wall of the mixing drum 52 are fixedly connected to the outer circumference of the annular mixing blade holder 59 at equal intervals, so as to scrape off the asphalt adhered to the inner wall of the mixing drum 52 and prevent the asphalt from adhering to the inner wall of the mixing drum 52.
Modified asphalt is placed in a heating cylinder 51, a heating wire 55 is started to heat the interior of the heating cylinder 51, the modified asphalt in the heating cylinder 51 is heated and softened, after the asphalt is softened to a certain degree, an electric telescopic pressure rod 56 is started to extend to drive a piston 57 to descend, the piston 57 descends to extrude the softened asphalt into strips through a discharge branch pipe 53 to be discharged, then a second driving motor 510 is started to drive a spoke-shaped scraper 54 to rotate to cut the strip asphalt discharged from the discharge branch pipe 53 into blocks and drop the blocks into a stirring cylinder 52, then a spiral heating wire 58 is controlled to generate heat to heat and melt the block asphalt, the second driving motor 510 can drive an annular stirring paddle frame 59 to rotate to stir the asphalt in the melting process while running, the melting speed of the asphalt is accelerated, the heating area can be increased in the asphalt melting process by cutting the asphalt into blocks, the asphalt is melted more thoroughly, the condition of incomplete melting is avoided, and the melted asphalt flows into the left delivery pipe 17.
Referring to fig. 11 and 12, in the present embodiment, the blanking mechanism 9 includes a flexible tube 91, a collar 92, a sliding rod 93, a sliding ring 94, a mounting plate 95, a sliding column 96 and an S-shaped sliding groove 97, the lower portion of the storage cylinder 8 is communicated with the flexible tube 91, the lower end of the flexible hose 91 is communicated with the right delivery pipe 18, the upper end surface of the cylinder cover 3 is fixedly connected with a vertical plate, the rear end surface of the vertical plate is fixedly connected with a plurality of sliding rings 94 vertically at equal intervals through a connecting column, the sliding rings 94 are internally connected with sliding rods 93 in a sliding way, and the equal fixedly connected with cover in every slide bar 93 left end is established at the outside lantern ring 92 of bellows 91, the outside surface wall rear side right part fixedly connected with slip post 96 of slide bar 93, the section of thick bamboo lid 3 up end right part is through buckling the reciprocal electric telescopic handle 98 of pole fixedly connected with, reciprocal electric telescopic handle 98 upper end fixedly connected with mounting panel 95, the terminal surface is seted up before mounting panel 95 and is used for cooperating the S form sliding groove 97 that drives slide bar 93 reciprocating motion with slip post 96.
Arrange the gravel in a storage cylinder 8, the gravel flows into unloading mechanism 9 under the effect of gravity, start reciprocal electric telescopic handle 98 and drive mounting panel 95 reciprocating motion from top to bottom, S form sliding groove 97 will extrude slip post 96 horizontal reciprocating motion at reciprocal in-process from top to bottom, slip post 96 drives flexible hose 91 wriggling through slide bar 93 and lantern ring 92 again after that to can avoid the condition emergence of card material at the in-process of gravel whereabouts.
Referring to fig. 2, 3 and 4, in the present embodiment, the intermittent feeding mechanism 6 includes a circular table 61, a feeding hopper 62, a first annular chute 63-1, a first sliding block 63-2, a first arc through groove 63-3, a first groove cover 63-4, a first strip arc groove 63-5, a first deflector rod 63-6, a second annular chute 64-1, a second sliding block 64-2, a second arc through groove 64-3, a second groove cover 64-4, a second strip arc groove 64-5 and a second deflector rod 64-6, the feeding hopper 62 is rotatably connected to the middle portion of the barrel cover 3, the circular table 61 is fixedly connected to the upper portion of the feeding hopper 62, the first annular chute 63-1 and the second annular chute 64-1 are concentrically arranged on the upper end surface of the circular table 61 from outside to inside, the first annular chute 63-1 is slidably connected to the first sliding block 63-2, the upper part of a first sliding block 63-2 is provided with a vertical through groove communicated with a left delivery pipe 17, the inner part of a second annular sliding groove 64-1 is connected with a second sliding block 64-2 in a sliding way, the upper part of the second sliding block 64-2 is provided with a vertical through groove communicated with a right delivery pipe 18, the left part of the bottom of the first annular sliding groove 63-1 is provided with a first arc-shaped through groove 63-3, the inner part of the first arc-shaped through groove 63-3 is connected with a first groove cover 63-4 used for adjusting the size of the notch of the first arc-shaped through groove 63-3 in a sliding way, the outer surface wall of the circular platform 61 and the position of the first groove cover 63-4 are provided with a first strip-shaped arc-shaped groove 63-5, one side end surface of the first groove cover 63-4 close to the first strip-shaped arc-shaped groove 63-5 is fixedly connected with a first deflector rod 63-6, the upper end surface of the cylinder cover 3 is fixedly connected with a first driving motor 65 through an L-shaped seat, and the lower end of the output shaft of the first driving motor 65 is fixedly connected to the upper end surface of the circular table 61.
Referring to fig. 5, a second arc-shaped through groove 64-3 is formed in the left portion of the bottom of the second annular sliding groove 64-1, a second groove cover 64-4 for adjusting the size of the groove of the second arc-shaped through groove 64-3 is slidably connected inside the second arc-shaped through groove 64-3, a second strip-shaped arc-shaped groove 64-5 is formed in the position, located on the second groove cover 64-4, of the outer surface wall of the circular truncated cone 61, and a second driving lever 64-6 is fixedly connected to one side end face, close to the second strip-shaped arc-shaped groove 64-5, of the second groove cover 64-4.
Crushed gravel and melted asphalt enter the right delivery pipe 18 and the left delivery pipe 17 respectively, then a first drive motor 65 is started to drive the circular truncated cone 61 to rotate, when a first slide block 63-2 and a first arc-shaped through groove 63-3 are overlapped in the rotating process of the circular truncated cone 61, the vertical through groove in the first slide block 63-2 is communicated with the first arc-shaped through groove 63-3 to be in an open state, asphalt in the left delivery pipe 17 flows into the mixing barrel 2 through the first arc-shaped through groove 63-3 at the moment, when the first arc-shaped through groove 63-3 and the first slide block 63-2 are staggered, the vertical through groove in the first slide block 63-2 is in a closed state, and when a second slide block 64-2 and a second arc-shaped through groove 64-3 are in an overlapped state, the vertical through groove in the second slide block 64-2 is in an open state, at the moment, the crushed sand in the right conveying pipe 18 enters the mixing cylinder 2, when the second sliding block 64-2 and the second arc-shaped through groove 64-3 are staggered, the vertical through groove in the second sliding block 64-2 is in a closed state, and the intermittent opening and closing of the vertical through grooves in the first sliding block 63-2 and the second sliding block 64-2 are realized through the continuous superposition and staggering of the first sliding block 63-2, the first arc-shaped through groove 63-3, the second sliding block 64-2 and the second arc-shaped through groove 64-3, so that the asphalt and the crushed sand can be intermittently and quantitatively fed into the mixing cylinder 2 in sequence, the asphalt and the crushed sand fed into the mixing cylinder 2 have sufficient mixing time, and the first groove cover 63-4 and the second groove cover 64-4 are respectively driven to slide through the first deflector rod 63-6 and the second deflector rod 64-6, therefore, the opening sizes of the first arc-shaped through groove 63-3 and the second arc-shaped through groove 64-3 are controlled, the input amount of asphalt and crushed gravel can be controlled, the matching accuracy of each raw material in the asphalt concrete is improved, and the generation quality of the asphalt concrete is improved.
Referring to fig. 6 and 7, in this embodiment, the lower portion of the inner cavity of the feeding hopper 62 is fixedly connected with a mounting shaft 10 through a cross connecting rod, the circumferential outer wall of the mounting shaft 10 is fixedly connected with a plurality of stirring paddles 11 through fixed columns at equal intervals along the axial direction and the circumferential direction of the mounting shaft 10, each stirring paddle 11 is externally sleeved with a scraping sleeve 12, a connecting vertical rod 13 is fixedly connected between two vertically adjacent scraping sleeves 12, a sliding column 14 is fixedly connected to the upper end surface of the scraping sleeve 12 located at the upper portion, a polygonal driving groove 15 for driving the sliding column 14 to reciprocate is formed in the lower end surface of the cylinder cover 3, the number of convex sections of the polygonal driving groove 15 corresponds to the number of vertical rows of the stirring paddles 11, the sliding column 14 is slidably connected inside the polygonal driving groove 15, and the two end surfaces of the scraping sleeves 12 close to and far away from the mounting shaft 10 are inclined shapes that are higher than the connecting vertical rod 13, facilitating scraping of the asphalt and gravel mixture adhering to the outer wall of the paddle 11.
The intermittent feeding mechanism 6 can drive the mounting shaft 10 to rotate through the cross connecting rod while rotating, the mounting shaft 10 then drives the stirring rod to rotate, the asphalt and crushed sand put into the mixing drum 2 are stirred and mixed, the stirring rod drives the sliding column 14 to slide in the polygonal driving groove 15 through the scraping sleeve 12 outside the stirring rod while rotating, the special-shaped convex section and the special-shaped concave section of the polygonal driving groove 15 are matched to drive the sliding column 14 to continuously repeat the movement close to the axis of the mounting shaft 10 and far away from the axis of the mounting shaft 10, the sliding column 14 then drives the scraping sleeve 12 to reciprocate outside the stirring paddle board 11, mixtures such as asphalt and the like adhered to the surface wall of the stirring paddle board 11 are scraped in time, and the normal stirring action of the stirring paddle board 11 is ensured.
During operation, firstly, asphalt is placed in the storage mechanism 5 for softening and melting treatment, meanwhile, crushed sand and stone are poured into the storage cylinder 8, then the intermittent feeding mechanism 6 operates to intermittently feed the crushed sand and stone and the melted asphalt into the mixing cylinder 2, the intermittent feeding mechanism 6 also drives the stirring paddle plate 11 to rotate to mix the fed asphalt and crushed sand and stone while operating, the stirring paddle plate 11 also reciprocates under the action of the polygonal driving groove 15 while rotating, and the mixture of asphalt and the like adhered to the surface wall of the stirring paddle plate 11 is scraped.
A method for preparing modified asphalt concrete is completed by matching a modified asphalt concrete preparation system, and comprises the following steps: s1: the modified asphalt is placed in a storage mechanism 5 for heating, stirring and melting treatment, and crushed sand stones are placed in a storage cylinder 8.
S2: the modified asphalt and the crushed sand stone in S1 are fed into the mixing drum 2 in portions by the intermittent feed mechanism 6.
S3: the modified asphalt and the crushed sand in the step S2 are stirred and mixed by a stirring paddle rod.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A modified asphalt concrete production preparation system, includes mount table (1), its characterized in that: the modified asphalt mixing device is characterized in that a mixing barrel (2) is fixedly connected to the upper end face of the mounting table (1) through a fixing strip, a barrel cover (3) is arranged on the upper portion of the mixing barrel (2), a storage mechanism (5) used for storing modified asphalt is fixedly connected to the left portion of the upper end face of the mounting table (1) through a first L-shaped rod frame (4), an intermittent feeding mechanism (6) is installed in the middle of the upper end face of the barrel cover (3), the lower portion of the storage mechanism (5) is communicated with the intermittent feeding mechanism (6) through a left conveying pipe (17), a storage barrel (8) used for storing crushed gravel is fixedly connected to the right portion of the upper end face of the mounting table (1) through a second L-shaped rod frame (7), a blanking mechanism (9) is installed on the lower portion of the storage barrel (8), and the lower portion of the blanking mechanism (9) is communicated with the intermittent feeding mechanism (6) through a right conveying pipe (18);
the intermittent feeding mechanism (6) comprises a circular table (61), a feeding hopper (62), a first annular sliding groove (63-1), a first sliding block (63-2), a first arc-shaped through groove (63-3), a first groove cover (63-4), a first strip-shaped arc-shaped groove (63-5), a first driving lever (63-6), a second annular sliding groove (64-1), a second sliding block (64-2), a second arc-shaped through groove (64-3), a second groove cover (64-4), a second strip-shaped arc-shaped groove (64-5) and a second driving lever (64-6), the feeding hopper (62) is rotatably connected to the middle of the barrel cover (3), the circular table (61) is fixedly connected to the upper portion of the feeding hopper (62), the first annular sliding groove (63-1) and the second annular sliding groove (64-1) are concentrically arranged on the upper end face of the circular table (61) from outside to inside, the first annular chute (63-1) is internally and slidably connected with a first sliding block (63-2), the upper part of the first sliding block (63-2) is provided with a vertical through groove communicated with a left conveying pipe (17), the second annular chute (64-1) is internally and slidably connected with a second sliding block (64-2), the upper part of the second sliding block (64-2) is provided with a vertical through groove communicated with a right conveying pipe (18), the left part of the bottom of the first annular chute (63-1) is provided with a first arc through groove (63-3), the first arc through groove (63-3) is internally and slidably connected with a first groove cover (63-4) used for adjusting the size of the notch of the first arc through groove (63-3), and the outer surface wall of the circular table (61) and the position of the first groove cover (63-4) are provided with a first strip-shaped arc groove (63-5), the end face of one side, close to the first strip-shaped arc-shaped groove (63-5), of the first groove cover (63-4) is fixedly connected with a first shifting lever (63-6), the left portion of the bottom of the second annular sliding groove (64-1) is provided with a second arc-shaped through groove (64-3), the inner portion of the second arc-shaped through groove (64-3) is connected with a second groove cover (64-4) used for adjusting the size of a notch of the second arc-shaped through groove (64-3) in a sliding mode, the outer surface wall of the circular truncated cone (61) is provided with a second strip-shaped arc-shaped groove (64-5) in a position located on the second groove cover (64-4), the end face of one side, close to the second strip-shaped arc-shaped groove (64-5), of the second groove cover (64-4) is fixedly connected with a second shifting lever (64-6), and the upper end face of the barrel cover (3) is fixedly connected with a first driving motor (65) through an L-shaped seat, and the lower end of the output shaft of the first driving motor (65) is fixedly connected with the upper end surface of the circular table (61).
2. The system for producing modified asphalt concrete according to claim 1, wherein: feeder hopper (62) inner chamber lower part is through cross connecting rod fixedly connected with installation axle (10), the circumference outer wall of installation axle (10) is all through a plurality of stirring rake (11) of fixed column equidistance fixedly connected with along its axis direction and circumferencial direction, and every stirring rake (11) outside all overlaps and is equipped with scraping sleeve (12), common fixedly connected with connection montant (13) between two vertical adjacent scraping sleeves (12), is located upper portion scrape material sleeve (12) up end fixedly connected with traveller (14), polygon driving groove (15) that are used for driving traveller (14) reciprocating motion are offered to the terminal surface under cover (3), and the protruding section quantity of polygon driving groove (15) and the vertical row number of stirring rake (11) are corresponding, traveller (14) sliding connection is inside polygon driving groove (15).
3. The system for producing modified asphalt concrete according to claim 2, wherein: the end faces of two sides, close to and far away from the mounting shaft (10), of the scraping sleeve (12) are both inclined shapes, close to the connecting vertical rod (13), and the parts are higher and far away from the connecting vertical rod (13).
4. The system for producing modified asphalt concrete according to claim 1, wherein: the storage mechanism (5) comprises a heating cylinder (51), a stirring cylinder (52), discharge branch pipes (53), spoke-shaped scrapers (54), heating wires (55), an electric telescopic pressure rod (56), a piston (57), a spiral heating wire (58) and an annular stirring paddle frame (59), the heating cylinder (51) is fixedly connected to the front end face of the transverse section of the first L-shaped bar frame (4), the cavity bottom of the heating cylinder (51) is communicated with a plurality of discharge branch pipes (53) at equal intervals along the circumferential direction, the discharge branch pipes (53) are provided with a plurality of rows from outside to inside, the lower end face of the heating cylinder (51) is fixedly connected with a second driving motor (510), the output shaft of the second driving motor (510) is fixedly connected with the spoke-shaped scrapers (54), the upper end face of the spoke-shaped scrapers (54) is contacted with the lower end openings of the discharge branch pipes (53), the heating wires (55) are arranged in the inner cavity of a wallboard barrel of the heating cylinder (51), heating cylinder (51) exterior wall upper portion fixedly connected with C shape frame, the horizontal section lower terminal surface in C shape frame upper portion just is located heating cylinder (51) inner chamber and passes through electric telescopic pressure pole (56) fixedly connected with piston (57), terminal surface fixedly connected with churn (52) under heating cylinder (51), be provided with heliciform heater (58) at the bottom of churn (52) chamber, the output shaft of No. two driving motor (510) just is located churn (52) inner chamber and passes through horizontal pole fixedly connected with annular stirring rake (59), left side conveyer pipe (17) intercommunication is in churn (52) lower part.
5. The system for producing modified asphalt concrete according to claim 4, wherein: the heating wires (55) are distributed in an S shape.
6. The system for producing modified asphalt concrete according to claim 4, wherein: the circumference of the outer surface wall of the annular stirring paddle frame (59) is fixedly connected with a plurality of spiral scrapers (16) which are contacted with the cavity wall of the stirring cylinder (52) at equal intervals.
7. The system for producing modified asphalt concrete according to claim 1, wherein: the blanking mechanism (9) comprises a telescopic hose (91), a lantern ring (92), sliding rods (93), sliding rings (94), a mounting plate (95), a sliding column (96) and an S-shaped sliding groove (97), the lower part of the storage cylinder (8) is communicated with the telescopic hose (91), the lower end of the telescopic hose (91) is communicated with the right conveying pipe (18), the upper end face of the cylinder cover (3) is fixedly connected with a vertical plate, the rear end face of the vertical plate is fixedly connected with a plurality of sliding rings (94) through connecting columns at equal vertical intervals, the sliding rings (94) are connected with sliding rods (93) in a sliding mode inside the sliding rings (94), the left end of each sliding rod (93) is fixedly connected with the lantern ring (92) sleeved outside the telescopic hose (91), the right part of the rear side of the outer wall of each sliding rod (93) is fixedly connected with the sliding column (96), and the right part of the upper end face of the cylinder cover (3) is fixedly connected with a reciprocating electric telescopic rod (98) through a bending rod, reciprocating electric telescopic handle (98) upper end fixedly connected with mounting panel (95), mounting panel (95) preceding terminal surface is offered and is used for with slide post (96) cooperation drive slide bar (93) reciprocating motion' S S form groove (97) that slides.
8. The method for preparing the modified asphalt concrete is characterized by being matched by the system for preparing the modified asphalt concrete according to claim 1, and comprising the following steps of:
s1: placing the modified asphalt in a storage mechanism (5) for heating, stirring and melting treatment, and placing crushed sand and stones in a storage cylinder (8);
s2: the modified asphalt and the crushed sand stone in the S1 are put into a mixing drum (2) by an intermittent feeding mechanism (6) in a fractional manner;
s3: the modified asphalt and the crushed sand in the step S2 are stirred and mixed by a stirring paddle rod.
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