CN111350110A - Heating device for highway asphalt mixture - Google Patents
Heating device for highway asphalt mixture Download PDFInfo
- Publication number
- CN111350110A CN111350110A CN202010156066.5A CN202010156066A CN111350110A CN 111350110 A CN111350110 A CN 111350110A CN 202010156066 A CN202010156066 A CN 202010156066A CN 111350110 A CN111350110 A CN 111350110A
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- China
- Prior art keywords
- asphalt
- fixedly connected
- heating
- stirring
- heating pipe
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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
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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
- E01C19/05—Crushing, pulverising or disintegrating apparatus; Aggregate screening, cleaning, drying or heating apparatus; Dust-collecting arrangements specially adapted therefor
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Machines (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a heating device for a road asphalt mixture, which comprises a fixed support column, wherein the top of the fixed support column is fixedly connected with an asphalt stirring box, an asphalt mixing cavity is formed in the inner cavity of the asphalt stirring box, the bottom of the asphalt stirring box is communicated with a discharge pipe, a top cover plate is arranged at the top of the asphalt stirring box, and stirring motor boxes are fixedly connected to two sides of the top cover plate. Through opening first heating pipe, first heating pipe begins to heat up and generates heat, and the heat on the first heating pipe transmits to asphalt mixing box inner wall through the heat conduction piece, and on the asphalt mixture of contact with it was conducted to the heat conduction in the asphalt mixing box, the temperature of improvement pitch, opened the second heating pipe, the second heating pipe heaies up and generates heat, and the heat conduction on the second heating pipe is to the asphalt mixture of contact with it, can heat the central department of asphalt mixture, has improved the homogeneity of heating efficiency and heating.
Description
Technical Field
The invention relates to the technical field of highway engineering, in particular to a heating device for a highway asphalt mixture.
Background
The highway engineering structure includes: roadbeds, road surfaces, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities, as well as houses, workshops and other service facilities used for construction, maintenance and monitoring, the road surfaces comprising cement concrete, asphalt concrete, various asphalt-treated crushed stones and gravel materials, soil-mixed gravel or crushed stone mixtures and blocks, etc., the asphalt concrete road surfaces have been the common road surfaces nowadays. The asphalt concrete pavement refers to a pavement using asphalt concrete as a surface layer. The mixture is prepared by manually selecting mineral aggregate (crushed stone or crushed gravel, stone chips or sand, mineral powder and the like) with a certain gradation composition and a certain proportion of road asphalt material, and stirring under strictly controlled conditions. The asphalt concrete mineral aggregate grade timing is selected and considered, so that the mixture can form a compact and stable pavement with proper roughness and durability after a proper amount of asphalt is added.
In the process of mixing asphalt, a heating device is needed, but the existing heating device can only heat the surface of the mixing device, has certain limitation, has poor heating effect and cannot heat the interior of a mixing box, therefore, the heating device for the road asphalt mixture is provided, in addition, although the heating modules are simultaneously arranged at the periphery and the interior of a heating cylinder body in the existing partial solution, in the actual asphalt heating process, because the heights of materials added into the asphalt cylinder are different every time, and the heating wires or the heating rods in the heating modules are uniformly arranged, when the stacking heights of asphalt materials in the asphalt heating cylinder are different, part of the heating wires in the heating modules are far away from the asphalt materials, and along with the proceeding of the heating process, the heights of the materials are further reduced after the asphalt is melted into fluid, this drawback is more pronounced, thereby severely affecting the heating efficiency, resulting in wasted heating.
Disclosure of Invention
The invention aims to provide a heating device for a road asphalt mixture, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a heating device for a road asphalt mixture comprises a fixed support column, wherein the top of the fixed support column is fixedly connected with an asphalt stirring tank, an asphalt mixing cavity is formed in the inner cavity of the asphalt stirring tank, the bottom of the asphalt stirring tank is communicated with a discharging pipe, the top of the asphalt stirring tank is provided with a top cover plate, the bottom of the top cover plate is provided with an ultrasonic sensor, two sides of the top cover plate are both fixedly connected with stirring motor boxes, the inner cavity of each stirring motor box is fixedly connected with a stirring motor, an output shaft of the stirring motor is fixedly connected with an asphalt stirring rod, the bottom end of the asphalt stirring rod penetrates through the inner cavity of the asphalt mixing cavity, the asphalt stirring rod consists of an electric control telescopic section and a fixed section which are fixedly connected in the vertical direction, and the top end of the electric control telescopic section is connected to the, the bottom end of the electric control telescopic section is connected to the top end of the fixed section, a magnetic ring is arranged near the top end of the electric control telescopic section and close to the bottom end of an output shaft of the stirring motor, the surface of the fixed section of the asphalt stirring rod is fixedly connected with a plurality of asphalt stirring blades distributed at equal intervals, and the stretching action of the electric control telescopic section of the green stirring rod responds to an output signal of the ultrasonic sensor;
the surface of the asphalt stirring tank is fixedly connected with a protective shell, the interior of the protective shell is designed to be vacuumized, the inner cavity of the protective shell is fixedly connected with a first heating pipeline, the first heating pipeline is composed of a first spiral section and a second spiral section, a magnetic block is embedded in the first spiral section, the second spiral section is a first heating pipe which is spirally arranged on the surface of the asphalt stirring tank, the inner side of the first heating pipe is fixedly connected with a heat conduction block, the center of the bottom of the top cover plate is fixedly connected with a heat conduction cylinder, the inner cavity of the heat conduction cylinder is fixedly connected with a fixed rod, the surface of the fixed rod is spirally sleeved with a second heating pipeline, the second heating pipeline is composed of a third spiral section and a fourth spiral section, the magnetic block is embedded in the third spiral section, and the fourth spiral section is a second heating pipe which is spirally arranged on the periphery of the fixed rod.
As further preferable in the present technical solution: the number of the asphalt stirring blades is not less than five, and the asphalt stirring blades are uniformly arranged on the surface of the asphalt stirring rod.
As further preferable in the present technical solution: one side of the heat conducting block, which is far away from the first heating pipe, is connected with the outer wall of the asphalt stirring box in a sliding manner.
As further preferable in the present technical solution: the positive surface of protecting crust is fixed with the switch, first heating pipe, agitator motor and second heating pipe electrical input all with the electrical output end electrical connection of switch.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the telescopic rotating shaft with the magnetic ring is matched with the specially designed double-material spiral heating structure, so that the efficient heating under the condition of self-adaption to material accumulation with different heights can be realized while uniform heating is realized; 2. the magnetic ring drives the lifting structure to further improve the conduction efficiency of vacuum heating; 3. through opening first heating pipe, first heating pipe begins to heat up and generates heat, and the heat on the first heating pipe is conducted to pitch agitator tank inner wall through the heat conduction piece, and the heat conduction in the pitch agitator tank is to the bituminous mixture of contact with it on, improves the temperature of pitch, opens the second heating pipe simultaneously, and the second heating pipe heaies up and generates heat, and the heat conduction on the second heating pipe is to the bituminous mixture of contact with it, can heat the central department of bituminous mixture, has improved heating efficiency, has improved the homogeneity of heating simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the protective case of the present invention;
FIG. 3 is a schematic cross-sectional view of the asphalt mixing tank of the present invention.
In the figure: 1. fixing the support columns; 2. a switch; 3. a protective shell; 4. an asphalt stirring tank; 5. a top cover plate; 6. a stirring motor box; 7. a first heating pipe; 8. a discharge pipe; 9. an asphalt mixing chamber; 10. an asphalt stirring blade; 11. a heat conducting block; 12. an asphalt stirring rod; 13. a stirring motor; 14. a heat conducting tube; 15. fixing the rod; 16. a second heating 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.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a heating device for a road asphalt mixture comprises a fixed support column 1, wherein the top of the fixed support column 1 is fixedly connected with an asphalt stirring box 4, an asphalt mixing chamber 9 is arranged in an inner cavity of the asphalt stirring box 4, the bottom of the asphalt stirring box 4 is communicated with a discharging pipe 8, the top of the asphalt stirring box 4 is provided with a top cover plate 5, the bottom of the top cover plate 5 is provided with an ultrasonic sensor, two sides of the top cover plate 5 are fixedly connected with stirring motor boxes 6, the inner cavity of the stirring motor boxes 6 is fixedly connected with a stirring motor 13, an output shaft of the stirring motor 13 is fixedly connected with an asphalt stirring rod 12, the bottom end of the asphalt stirring rod 12 penetrates through the inner cavity of the asphalt mixing chamber 9, the asphalt stirring rod 12 consists of an electric control telescopic section and a fixed section which are fixedly connected in the vertical direction, wherein the top end of the electric control telescopic section is connected to an output shaft, the bottom end of the electric control telescopic section is connected to the top end of the fixed section, a magnetic ring is arranged near the top end of the electric control telescopic section and close to the bottom end of an output shaft of the stirring motor 13, the surface of the fixed section of the asphalt stirring rod 12 is fixedly connected with a plurality of asphalt stirring blades 10 which are distributed at equal intervals, and the telescopic action of the electric control telescopic section of the green stirring rod 12 responds to an output signal of the ultrasonic sensor;
the surface of the asphalt stirring tank 4 is fixedly connected with a protective shell 3, the interior of the protective shell 3 is designed for vacuum pumping, the inner cavity of the protective shell 3 is fixedly connected with a first heating pipeline which consists of a first spiral section and a second spiral section, wherein the first spiral section is embedded with a magnetic block, the second spiral section is a first heating pipe 7 which is spirally arranged on the surface of the asphalt stirring tank 4, the inner side of the first heating pipe 7 is fixedly connected with a heat conducting block 11, the center of the bottom of the top cover plate 5 is fixedly connected with a heat conducting cylinder 14, a fixing rod 15 is fixedly connected to the inner cavity of the heat conducting cylinder 14, a second heating pipeline is spirally sleeved on the surface of the fixing rod 15 and consists of a third spiral section and a fourth spiral section, the magnetic block is embedded in the third spiral section, and the second heating pipe 16 is spirally arranged on the periphery of the fixing rod 15 in the fourth spiral section.
Through opening first heating pipe 7, first heating pipe 7 begins to heat up and generates heat, heat on first heating pipe 7 conducts to 4 inner walls of asphalt mixing box through heat conduction piece 11, heat conduction in asphalt mixing box 4 is to the bituminous mixture of contact with it on, the temperature of improvement pitch, open second heating pipe 16 simultaneously, second heating pipe 16 heats up and generates heat, heat conduction on the second heating pipe 16 is to the bituminous mixture of contact with it, can heat the central department of bituminous mixture, heating efficiency is improved, the homogeneity of heating has been improved simultaneously.
In this embodiment, specifically: five is no less than to the quantity of pitch stirring leaf 10, and pitch stirring leaf 10 is align to grid on the surface of pitch puddler 12, through above setting, can improve the mixed effect to the bituminous mixture, has improved the homogeneity of heating simultaneously.
In this embodiment, specifically: one side that first heating pipe 7 was kept away from to heat conduction piece 11 and pitch agitator tank 4 fixed connection, through above setting up, can improve heat conduction efficiency greatly with the heat conduction that first heating pipe 7 conduction comes to the inside of pitch agitator tank 4.
In this embodiment, specifically: the switch 2 is fixedly connected to the front surface of the protective shell 3, and the electrical input ends of the first heating pipe 7, the stirring motor 13 and the second heating pipe 16 are electrically connected with the electrical output end of the switch 2.
In this embodiment, specifically: the model number of the stirring motor 13 is Y160L-2.
When the device is used, firstly, the ultrasonic sensor arranged at the bottom of the top cover plate 5 is started, then the stirring motor 13 is started, the stirring motor 13 drives the asphalt stirring rod 12 to rotate, the asphalt stirring rod 12 drives the asphalt stirring blades 10 on two sides of the surface to stir the asphalt mixture in the inner cavity, meanwhile, by starting the first heating pipe 7/the second heating pipe 16 in the first heating pipeline and the second heating pipeline, the first heating pipe 7 starts to heat up and generate heat, the heat on the first heating pipe 7 is conducted to the inner wall of the asphalt stirring box 4 through the heat conducting block 11, the heat in the asphalt stirring box 4 is conducted to the asphalt mixture in contact with the asphalt stirring box, the temperature of asphalt is increased, meanwhile, the second heating pipe 16 is started, the temperature is increased and the heat is generated through the second heating pipe 16, the heat on the second heating pipe 16 is conducted to the asphalt mixture in contact with the asphalt stirring box, and the center of the asphalt, the heating efficiency is improved, the heating uniformity is improved, in the heating process, the height of the asphalt material is monitored in real time by the ultrasonic sensor, then the length of the electric control telescopic section on the asphalt stirring rod 12 is adjusted in real time, if the height of the asphalt material is reduced, the length of the electric control telescopic section on the asphalt stirring rod 12 is lengthened, so that a magnetic ring arranged near the top end of the electric control telescopic section and close to the bottom end of an output shaft of a stirring motor 13 is synchronously lowered, the magnetic ring attracts a first spiral section and a third spiral section in a first heating pipeline and a second heating pipeline to synchronously lower, the first heating pipeline and the second heating pipeline of the whole spiral structure are driven to descend and compress, the second spiral section and the fourth spiral section are also synchronously compressed, the heating density is increased, the heating density which is suitable for the same height of the material is realized, the process is not only suitable for being suitable for different heights of the material at the initial stage of heating, but also automatically adapt to the real-time reduction of height caused by melting of materials in the middle and later heating periods.
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 (4)
1. The utility model provides a heating device of highway bituminous mixture, includes fixed support column (1), its characterized in that: the asphalt mixing device is characterized in that an asphalt stirring tank (4) is fixedly connected to the top of the fixed supporting column (1), an asphalt mixing chamber (9) is formed in an inner cavity of the asphalt stirring tank (4), a discharging pipe (8) is communicated with the bottom of the asphalt stirring tank (4), a top cover plate (5) is installed at the top of the asphalt stirring tank (4), an ultrasonic sensor is arranged at the bottom of the top cover plate (5), stirring motor boxes (6) are fixedly connected to two sides of the top cover plate (5), a stirring motor (13) is fixedly connected to the inner cavity of each stirring motor box (6), an asphalt stirring rod (12) is fixedly connected to an output shaft of each stirring motor (13), the bottom end of each asphalt stirring rod (12) penetrates through the inner cavity of the asphalt mixing chamber (9), and the asphalt stirring rod (12) is composed of an electrically-controlled telescopic section and a fixed section which are fixedly connected, the top end of the electric control telescopic section is connected to an output shaft of the stirring motor (13), the bottom end of the electric control telescopic section is connected to the top end of the fixed section, a magnetic ring is arranged near the top end of the electric control telescopic section and close to the bottom end of the output shaft of the stirring motor (13), the surface of the fixed section of the asphalt stirring rod (12) is fixedly connected with a plurality of asphalt stirring blades (10) which are distributed at equal intervals, and the telescopic action of the electric control telescopic section of the green stirring rod (12) responds to an output signal of the ultrasonic sensor;
the surface of the asphalt stirring box (4) is fixedly connected with a protective shell (3), the interior of the protective shell (3) is designed for vacuumizing, the inner cavity of the protective shell (3) is fixedly connected with a first heating pipeline which consists of a first spiral section and a second spiral section, wherein the first spiral section is internally embedded with a magnetic block, the second spiral section is a first heating pipe (7) which is spirally arranged on the surface of the asphalt stirring box (4), the inner side of the first heating pipe (7) is fixedly connected with a heat conducting block (11), the center of the bottom of the top cover plate (5) is fixedly connected with a heat conducting cylinder (14), the inner cavity of the heat conducting cylinder (14) is fixedly connected with a fixing rod (15), the surface of the fixing rod (15) is spirally sleeved with a second heating pipeline which consists of a third spiral section and a fourth spiral section, wherein the third spiral section is internally embedded with a magnetic block, the fourth spiral section is a second heating pipe (16) spirally arranged on the periphery of the fixed rod (15).
2. The heating device for road asphalt mixture according to claim 1, characterized in that: the number of the asphalt stirring blades (10) is not less than five, and the asphalt stirring blades (10) are uniformly arranged on the surface of the asphalt stirring rod (12).
3. The heating device for road asphalt mixture according to claim 1, characterized in that: one side of the heat conducting block (11) far away from the first heating pipe (7) is connected with the outer wall of the asphalt stirring box (4) in a sliding mode.
4. The heating device for road asphalt mixture according to claim 1, characterized in that: the front surface of the protective shell (3) is fixedly connected with a switch (2), and the electrical input ends of the first heating pipe (7), the stirring motor (13) and the second heating pipe (16) are electrically connected with the electrical output end of the switch (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010156066.5A CN111350110A (en) | 2020-03-09 | 2020-03-09 | Heating device for highway asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010156066.5A CN111350110A (en) | 2020-03-09 | 2020-03-09 | Heating device for highway asphalt mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111350110A true CN111350110A (en) | 2020-06-30 |
Family
ID=71192612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010156066.5A Withdrawn CN111350110A (en) | 2020-03-09 | 2020-03-09 | Heating device for highway asphalt mixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111350110A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523036A (en) * | 2020-10-30 | 2021-03-19 | 叶德娟 | Preparation method of asphalt concrete filler |
| CN113146878A (en) * | 2021-04-19 | 2021-07-23 | 安徽机电职业技术学院 | Energy-saving electromagnetic induction heating energy supply plastics production compounding equipment |
| CN113265928A (en) * | 2021-07-02 | 2021-08-17 | 河南格内格工程管理有限公司 | Automatic asphalt laying device for municipal engineering |
-
2020
- 2020-03-09 CN CN202010156066.5A patent/CN111350110A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523036A (en) * | 2020-10-30 | 2021-03-19 | 叶德娟 | Preparation method of asphalt concrete filler |
| CN112523036B (en) * | 2020-10-30 | 2022-04-01 | 山东瑞恒昇道路材料科技有限公司 | Preparation method of asphalt concrete filler |
| CN113146878A (en) * | 2021-04-19 | 2021-07-23 | 安徽机电职业技术学院 | Energy-saving electromagnetic induction heating energy supply plastics production compounding equipment |
| CN113265928A (en) * | 2021-07-02 | 2021-08-17 | 河南格内格工程管理有限公司 | Automatic asphalt laying device for municipal engineering |
| CN113265928B (en) * | 2021-07-02 | 2022-08-02 | 河南格内格工程管理有限公司 | Automatic asphalt laying device for municipal engineering |
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Application publication date: 20200630 |
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| WW01 | Invention patent application withdrawn after publication |