CN215463991U

CN215463991U - Color asphalt mixing device

Info

Publication number: CN215463991U
Application number: CN202122171016.7U
Authority: CN
Inventors: 徐清
Original assignee: Lu'an Wanfang Asphalt Construction Co ltd
Current assignee: Lu'an Wanfang Asphalt Construction Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-11
Anticipated expiration: 2031-09-09

Abstract

The utility model provides a color asphalt mixing device, belongs to the technical field of asphalt production and preparation, and is used for solving the problems of insufficient asphalt mixing, poor coloring effect and no heat preservation and heating existing in the existing mixing device. The device comprises a trailer, wherein a water tank and an asphalt stirring mechanism are fixed above the trailer, the asphalt stirring mechanism comprises a stirring tank and a heating outer box, a mounting frame is arranged above the water tank, a powder stirring motor and a powder stirring mechanism are fixed on the mounting frame, the powder stirring motor and the powder stirring mechanism are in transmission connection, a water injection mechanism is arranged on the water tank, and the water injection mechanism is respectively connected with the water tank, the stirring tank and the heating outer box; the utility model can fully stir the powder material of the colored asphalt and ensure that the subsequent stirring is more sufficient; the double-matching full stirring can be effectively carried out on the raw materials of the colored asphalt, and the heat preservation, heating and stirring can be carried out to ensure full coloring; can pour into cold water or hot water into agitator tank and heating outer container inside through water injection mechanism, control is convenient easy operation.

Description

Color asphalt mixing device

Technical Field

The utility model belongs to the technical field of asphalt production and preparation, relates to a mixing device, and particularly relates to a color asphalt mixing device.

Background

For a long time, roads contacted by people are not black or white, the colors are monotonous, drivers are easy to cause visual fatigue after driving for a long time, and serious drivers can also induce traffic accidents, thereby causing great life and property loss. In response to the above, colored roads have come to be produced, and the colored asphalt is mainly paved on the ground, so that the roads can be beautified and improved, and the fatigue of drivers in the driving process can be relieved. And can also divide the road section through different colors, distinguish the function to induce the scattered traffic, make the vehicle go on their own way, thus has guaranteed the smooth and easy of traffic.

The color asphalt, also known as color cementing material, is a cementing material which imitates the components of petroleum asphalt and is formed by blending and modifying chemical materials such as petroleum resin, SBS modifier and the like, and the asphalt itself is not color or colorless, but is dark brown, and is commonly called color asphalt in recent years due to market habits. The three indexes of the colored asphalt need to meet the technical index requirements of the matrix asphalt, and the technical requirements of the three indexes meet CJJ/T218-2014 technical Specification for colored asphalt concrete pavements of urban roads. The LS series color asphalt is divided into three categories of matrix, modification and special according to the pavement performance, and is suitable for various different requirements of the color pavement market.

The colored asphalt pavement is mainly suitable for paving various slow-moving systems such as green roads, bicycle roads, walking roads, landscape garden roads and the like and landscape roads.

1. Adding color powder into colorless cementing material (non-pure color, brown to dark brown, the lighter the color is, the better the quality is), wherein the colorless cementing material can be obtained by decoloring asphalt and can also be prepared by blending light-colored polymers such as petroleum resin and the like;

2. the asphalt cementing material is obtained by directly modifying asphalt, has the characteristic of strong anti-aging capability of the asphalt, and is brownish red in color.

The colored asphalt needs to be mixed with pigments with colors during the preparation process, and the quality and the production stability of the colored asphalt product are ensured. However, in the prior art, the mixing device has the advantages of insufficient asphalt mixing, good coloring effect, no heat preservation and heating, low automation degree, increased labor intensity of operators and extremely low production efficiency.

Based on this, we provide a colour pitch compounding device that the compounding stirs abundant even, the colouring effect is good.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art, and provides a color asphalt mixing device, which aims to solve the technical problems that: how to realize fully and uniformly stirring the color asphalt raw material and ensure good coloring effect.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a colored pitch compounding device, includes the trailer, the top of trailer is fixed with water tank and pitch rabbling mechanism, and pitch rabbling mechanism includes agitator tank and heating outer container, and the heating outer container is fixed in the agitator tank outside, and the water tank top is equipped with the mounting bracket, is fixed with powder agitator motor and powder rabbling mechanism on the mounting bracket, and powder agitator motor and powder rabbling mechanism transmission are connected, and powder rabbling mechanism is located pitch rabbling mechanism's top, is equipped with water injection mechanism on the water tank, and water injection mechanism is connected with water tank, agitator tank and heating outer container respectively.

The front side of trailer is equipped with the couple, has seted up on the trailer and has arranged the material and dodge the hole, arranges the material and dodges the hole and be located under the agitator tank, and the rear side that the upper end of trailer is located pitch rabbling mechanism is for putting the district.

Structure more than adopting, this device of couple convenient pulling removes, and the hole is dodged in the row material is convenient for discharge the colored pitch material after mixing, puts the thing district and is used for placing other relevant article, annotates material equipment such as counter.

Powder rabbling mechanism includes powder jar, and powder jar is fixed in the mounting bracket top, and powder jar top is equipped with access hole and a plurality of drain hole, is equipped with the access cover on the access hole, and powder jar's lower extreme rear side is equipped with the guide mouth, is equipped with the guide motorised valve on the guide mouth, and powder jar inside rotates and is equipped with the (mixing) shaft, and the tip that powder jar and (mixing) shaft were stretched out to the tip of (mixing) shaft is connected with powder agitator motor's output shaft transmission, is equipped with water conservancy diversion stirring leaf on the (mixing) shaft.

Structure more than adopting, with the powder raw materials of colored pitch, like toner and other fillers, put into the powder jar from the drain hole, start powder agitator motor, powder agitator motor's output shaft drives the (mixing) shaft and rotates to drive the water conservancy diversion stirring leaf and rotate, be used for stirring when powder agitator motor corotation and mix the powder, when powder agitator motor reverses, be used for arranging the material, arrange the material to the guide mouth, open the guide motorised valve, arrange inside the agitator tank.

The asphalt stirring mechanism further comprises a heat preservation layer, the heat preservation layer is fixed on the outer side of the heating outer box, two symmetrical placing plates are arranged at the upper end of the heat preservation layer, adjustable searchlights are arranged at the lower ends of the placing plates, two symmetrical glass windows are arranged on the heat preservation layer, the searchlights are right opposite to the glass windows corresponding to the positions, two chromatographic comparison plates are arranged on the outer side of the heat preservation layer, and the chromatographic comparison plates are located on the side edges of the glass windows.

Structure more than adopting, the heat preservation has thermal-insulated heat retaining function, and the at utmost utilizes the heat, and the searchlight passes through the glass window, illuminates in to the agitator tank, and the preparation personnel of being convenient for observe inside pitch colour to carry out the colour contrast with the chromatogram contrast board, if the colour difference is big, can add pigment, the adjustment of being convenient for.

The agitator tank upper end is equipped with the blast pipe, feed inlet and a plurality of charge door, the feed inlet is located the guide mouth under, the agitator tank upper end is fixed with first agitator motor and second agitator motor, first agitator motor and second agitator motor's output shaft all stretches into first agitator motor's inside, first agitator motor's output shaft lower extreme is fixed with main puddler, be equipped with the stirring vane of a plurality of equidistance on the main puddler, second agitator motor's output shaft lower extreme is fixed with vice puddler, the tip of vice puddler is equipped with the agitator frame, the agitator frame is located between two stirring vane of downside.

Structure more than adopting, the blast pipe is used for discharging steam, and the leading-in agitator tank of mixed powder that stirs is followed the feed inlet, pours other liquid solid raw materials of pitch into from the charge door, and first agitator motor and second agitator motor start-up back drive main puddler and vice puddler respectively rotate, carry out dual cooperation, intensive mixing to other liquid solid raw materials of mixing powder and pitch.

The stirring tank is provided with two groups of symmetrical observation through pipes, the observation through pipes extend out of the heating outer box, the two groups of observation through pipes are respectively aligned to the glass windows at corresponding positions, and the searchlight is aligned to the uppermost observation through pipe.

By adopting the structure, the searchlight is right at the uppermost observation through pipe and is used for illuminating the stirring tank, and a user observes the color of the internal asphalt through the other observation through pipes and performs color comparison with the color spectrum comparison plate.

The agitator tank upper end is equipped with row material mouth of pipe and four stabilizer blades, arranges the material mouth of pipe and is located four stabilizer blade middle parts, and four stabilizer blades are fixed on the trailer, arranges the material mouth of pipe and stretches out row material and dodge the hole, and the upper end and the lower extreme of heating outer container all are equipped with even water pipe.

The structure more than adopting, row's material mouth of pipe is used for arranging the material, and four stabilizer blades are used for the fixed agitator tank of installation, and the water connecting pipe is used for discharging cold water to the inside notes hot water of heating outer container, forms the water-bath heating.

The water injection mechanism comprises a three-way pipe, a heater and a water pump, the heater and the water pump are fixed above the water tank, the three-way pipe is connected to the lower side of the water tank, the other two ends of the three-way pipe are connected with electric control valves, one of the electric control valves is connected with a water inlet of the heater through a pipeline, the water outlet ends of the other electric control valve and the heater are connected with the water inlet end of the water pump through a pipeline, the water outlet end of the water pump is connected with a three-way electromagnetic valve, the other two ends of the three-way electromagnetic valve are respectively connected with a water connecting pipe and a feed inlet at the upper end of the heating outer tank, and a water connecting pipe at the lower end of the heating outer tank is connected with the water tank.

Structure more than adopting, when the agitator tank needs cold water, start the water pump, three solenoid valve and another electric control valve of being connected with the water pump, the water pump is with the water suction feed inlet in the water tank, when the agitator tank needs hot water, start the water pump, three solenoid valve and the electric control valve of being connected with the heater, the water pump heats the water suction heater in the water tank, obtain hot water and pour into the feed inlet again, when needing water bath heating heat preservation, start the water pump, three solenoid valve and the electric control valve of being connected with the heater, the water pump heats the water suction heater in the water tank, it heats the outer container to obtain hot water and pour into through the water pipe of heating outer container upper end again, cold water gets back to the water tank again through the water pipe of heating outer container lower extreme, form hydrologic cycle.

Compared with the prior art, this colored pitch compounding device has following advantage:

the powder stirring mechanism is matched with the powder stirring motor and is used for fully stirring the powder raw materials of the colored asphalt, so that the subsequent stirring is more sufficient; through the matching of the asphalt stirring mechanism and the water injection mechanism, the raw materials of the colored asphalt can be effectively subjected to double matching and full stirring, and the raw materials can be subjected to heat preservation, heating and stirring to ensure full coloring; cold water or hot water can be injected into the stirring tank and the heating outer box through the water injection mechanism, so that the control is convenient and the operation is simple; through searchlight and glass window and observation through-tube cooperation, be convenient for observe inside pitch colour to carry out the colour contrast with the chromatogram contrast board, if the colour difference is big, can add pigment, be convenient for adjust.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic structural view of a powder stirring mechanism according to the present invention;

FIG. 4 is a schematic structural view of an asphalt stirring mechanism according to the present invention;

FIG. 5 is a schematic perspective view of the asphalt mixing mechanism of the present invention with the insulation layer removed;

FIG. 6 is a schematic view of a cut-away structure of the asphalt mixing mechanism of the present invention with the insulation layer removed;

in the figure: 1-trailer, 2-asphalt stirring mechanism, 3-searchlight, 4-first stirring motor, 5-second stirring motor, 6-powder stirring mechanism, 7-powder stirring motor, 8-mounting rack, 9-heater, 10-water pump, 11-electric control valve, 12-hook, 13-three-way pipe, 14-discharge port, 15-inspection port, 16-stirring shaft, 17-stirring blade, 18-guide port, 19-heat preservation layer, 20-heating outer box, 21-feed port, 22-feed port, 23-placing plate, 24-exhaust pipe, 25-glass window, 26-chromatographic control plate, 27-support leg, 28-discharge pipe port, 29-water connecting pipe, 30-observation through pipe, 31-main stirring rod, 32-auxiliary stirring rod and 33-water tank.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Please refer to fig. 1-6, this embodiment provides a color asphalt mixing device, which includes a trailer 1, a water tank 33 and an asphalt stirring mechanism 2 are fixed above the trailer 1, the asphalt stirring mechanism 2 includes a stirring tank and a heating outer tank 20, the heating outer tank 20 is fixed outside the stirring tank, a mounting rack 8 is arranged above the water tank 33, a powder stirring motor 7 and a powder stirring mechanism 6 are fixed on the mounting rack 8, the powder stirring motor 7 is in transmission connection with the powder stirring mechanism 6, the powder stirring mechanism 6 is located above the asphalt stirring mechanism 2, a water injection mechanism is arranged on the water tank 33, and the water injection mechanism is respectively connected with the water tank 33, the stirring tank and the heating outer tank 20.

A hook 12 is arranged at the front side of the trailer 1, a discharge avoidance hole is formed in the trailer 1 and is positioned right below the stirring tank, and an object placing area is arranged at the upper end of the trailer 1 and is positioned at the rear side of the asphalt stirring mechanism 2; the hook 12 is convenient for pulling the device to move, the discharge avoiding holes are convenient for discharging mixed color asphalt materials, and the storage area is used for placing other related articles, such as material injection equipment such as a metering device.

The powder stirring mechanism 6 comprises a powder tank, the powder tank is fixed above the mounting frame 8, an access hole 15 and a plurality of discharge holes 14 are formed above the powder tank, an access cover is arranged on the access hole 15, a material guide hole 18 is formed in the rear side of the lower end of the powder tank, a material guide electric valve is arranged on the material guide hole 18, a stirring shaft 16 is rotatably arranged in the powder tank, the end part of the stirring shaft 16 extends out of the powder tank, the end part of the stirring shaft 16 is in transmission connection with an output shaft of a powder stirring motor 7, and a flow guide stirring blade 17 is arranged on the stirring shaft 16; the powder raw materials of the color asphalt, such as toner and other fillers, are put into a powder tank from a discharge hole 14, a powder stirring motor 7 is started, an output shaft of the powder stirring motor 7 drives a stirring shaft 16 to rotate, so that a flow guide stirring blade 17 is driven to rotate, the powder stirring motor 7 is used for stirring and mixing powder when rotating forwards, and the powder stirring motor 7 is used for discharging materials when rotating backwards, discharging the materials to a material guide hole 18, opening a material guide electric valve and discharging the materials into the stirring tank.

The asphalt stirring mechanism 2 further comprises a heat insulation layer 19, the heat insulation layer 19 is fixed on the outer side of the heating outer box 20, two symmetrical placing plates 23 are arranged at the upper end of the heat insulation layer 19, adjustable searchlights 3 are arranged at the lower ends of the placing plates 23, two symmetrical glass windows 25 are arranged on the heat insulation layer 19, the searchlights 3 are opposite to the glass windows 25 in the corresponding positions, two chromatographic comparison plates 26 are arranged on the outer side of the heat insulation layer 19, and the chromatographic comparison plates 26 are located on the side edges of the glass windows 25; the heat preservation 19 has thermal-insulated heat retaining function, and the at utmost utilizes the heat, and searchlight 3 illuminates in the agitator tank through glass window 25, and the preparation personnel of being convenient for observe inside pitch colour to carry out the colour contrast with chromatogram contrast board 26, if the colour difference is big, can add pigment, the adjustment of being convenient for.

The upper end of the stirring tank is provided with an exhaust pipe 24, a feed inlet 21 and a plurality of feed inlets 22, the feed inlet 21 is positioned under the material guide port 18, the upper end of the stirring tank is fixedly provided with a first stirring motor 4 and a second stirring motor 5, output shafts of the first stirring motor 4 and the second stirring motor 5 both extend into the first stirring motor 4, the lower end of the output shaft of the first stirring motor 4 is fixedly provided with a main stirring rod 31, the main stirring rod 31 is provided with a plurality of stirring blades at equal intervals, the lower end of the output shaft of the second stirring motor 5 is fixedly provided with an auxiliary stirring rod 32, the end part of the auxiliary stirring rod 32 is provided with a stirring frame, and the stirring frame is positioned between the two stirring blades at the lower side; the exhaust pipe 24 is used for discharging hot gas, the stirred mixed powder is guided into the stirring tank from the feed inlet 21, other liquid solid raw materials of the asphalt, such as an emulsifier, aggregate, decolored asphalt oil and the like, are poured into the stirring tank from the feed inlet 22, and the first stirring motor 4 and the second stirring motor 5 are started to respectively drive the main stirring rod 31 and the auxiliary stirring rod 32 to rotate so as to carry out double matching and full stirring on the mixed powder and other liquid solid raw materials of the asphalt.

Two groups of symmetrical observation through pipes 30 are arranged on the stirring tank, the observation through pipes 30 extend out of the heating outer box 20, the two groups of observation through pipes 30 are respectively aligned to the glass windows 25 at corresponding positions, and the searchlight 3 is aligned to the uppermost observation through pipe 30; the searchlight 3 is opposite to the uppermost viewing transparent tube 30 for illuminating the stirring tank, and the user views the color of the inner asphalt through the other viewing transparent tube 30 and performs color comparison with the color comparison plate 26.

The upper end of the stirring tank is provided with a discharge pipe orifice 28 and four support legs 27, the discharge pipe orifice 28 is positioned in the middle of the four support legs 27, the four support legs 27 are fixed on the trailer 1, the discharge pipe orifice 28 extends out of the discharge avoidance hole, and the upper end and the lower end of the heating outer box 20 are both provided with water connecting pipes 29; the discharge pipe orifice 28 is used for discharging materials, the four support legs 27 are used for installing and fixing the stirring tank, and the water connecting pipe 29 is used for injecting hot water and discharging cold water into the heating outer box 20 to form water bath heating.

The water injection mechanism comprises a three-way pipe 13, heaters 9 and a water pump 10, the heaters 9 and the water pump 10 are fixed above a water tank 33, the three-way pipe 13 is connected to the lower side of the water tank 33, the other two ends of the three-way pipe 13 are connected with electric control valves 11, one of the electric control valves 11 is connected with a water inlet of the heater 9 through a pipeline, the water outlet ends of the other electric control valve 11 and the heater 9 are both connected with a water inlet end of the water pump 10 through a pipeline, the water outlet end of the water pump 10 is connected with a three-way electromagnetic valve, the other two ends of the three-way electromagnetic valve are respectively connected with a water connecting pipe 29 and a feed inlet 21 at the upper end of the heating outer box 20, and the water connecting pipe 29 at the lower end of the heating outer box 20 is connected with the water tank 33; when the stirring tank needs cold water, a water pump 10, a three-way electromagnetic valve and another electric control valve 11 connected with the water pump 10 are started, the water pump 10 pumps water in a water tank 33 into a feed inlet 21, when the stirring tank needs hot water, the water pump 10, the three-way electromagnetic valve and the electric control valve 11 connected with a heater 9 are started, the water pump 10 pumps the water in the water tank 33 into the heater 9 for heating to obtain hot water, the hot water is re-injected into the feed inlet 21, when water bath heating and heat preservation are needed, the water pump 10, the three-way electromagnetic valve and the electric control valve 11 connected with the heater 9 are started, the water pump 10 pumps the water in the water tank 33 into the heater 9 for heating, the obtained hot water is injected into a heating outer box 20 through a water connecting pipe 29 at the upper end of the heating outer box 20, and the cold water returns to the water tank 33 through the water connecting pipe 29 at the lower end of the heating outer box 20 to form water circulation.

In this embodiment, the fixing manners are all the most commonly used fixing and connecting manners in the art, such as welding, bolt connection, interference fit connection, and the like; above-mentioned each electrical component is prior art product like powder agitator motor 7, water pump 10, heating outer container 20 etc. can directly purchase the use in the market, and concrete principle is no longer repeated.

The working principle of the utility model is as follows:

the powder raw material of the color asphalt is put into a powder tank from a discharge port 14, a powder stirring motor 7 is started, an output shaft of the powder stirring motor 7 drives a stirring shaft 16 to rotate so as to drive a diversion stirring blade 17 to rotate, the powder stirring motor 7 is used for stirring and mixing the powder when rotating forwards to obtain fully-stirred powder, then the powder stirring motor 7 rotates backwards to discharge the material, the material is discharged to a material guide port 18, a material guide electric valve is opened to lead the material into the stirring tank from a feed port 21, other liquid solid raw materials of the asphalt are poured from a feed port 22, a first stirring motor 4 and a second stirring motor 5 are started to respectively drive a main stirring rod 31 and an auxiliary stirring rod 32 to rotate, and the mixed powder and the other liquid solid raw materials of the asphalt are subjected to double matching and are fully stirred,

when the stirring tank needs cold water, a water pump 10, a three-way electromagnetic valve and another electric control valve 11 connected with the water pump 10 are started, the water pump 10 pumps water in a water tank 33 into a feed inlet 21, when the stirring tank needs hot water, the water pump 10, the three-way electromagnetic valve and the electric control valve 11 connected with a heater 9 are started, the water pump 10 pumps water in the water tank 33 into the heater 9 for heating to obtain hot water, the hot water is re-injected into the feed inlet 21, when water bath heating and heat preservation are needed, the water pump 10, the three-way electromagnetic valve and the electric control valve 11 connected with the heater 9 are started, the water pump 10 pumps water in the water tank 33 into the heater 9 for heating, the obtained hot water is injected into a heating outer box 20 through a water connecting pipe 29 at the upper end of the heating outer box 20, and cold water returns to the water tank 33 through the water connecting pipe 29 at the lower end of the heating outer box 20 to form water circulation;

the searchlight 3 passes through the glass window 25, just to the observation through-tube 30 of the top for illuminate the agitator tank, the user is convenient for the preparation personnel to observe inside pitch colour through other observation through-tubes 30, and carry out the colour contrast with chromatogram contrast board 26, if the colour difference is big, can add pigment, be convenient for in time adjust.

After sufficient agitation, the agitated color asphalt is discharged from the discharge tube orifice 28.

In conclusion, the powder stirring mechanism 6 is matched with the powder stirring motor 7 and is used for fully stirring the powder raw materials of the color asphalt, so that the subsequent stirring is ensured to be more sufficient; through the matching of the asphalt stirring mechanism 2 and the water injection mechanism, the raw materials of the colored asphalt can be effectively subjected to double matching and full stirring, and the raw materials can be subjected to heat preservation, heating and stirring to ensure full coloring; cold water or hot water can be injected into the stirring tank and the heating outer box 20 through the water injection mechanism, so that the control is convenient and the operation is simple; through searchlight 3 and glass window 25 and observation through 30 cooperation, be convenient for observe inside pitch colour to carry out the colour contrast with chromatogram contrast board 26, if the colour difference is big, can add pigment, be convenient for adjust.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a colored pitch compounding device, including trailer (1), a serial communication port, the top of trailer (1) is fixed with water tank (33) and pitch rabbling mechanism (2), pitch rabbling mechanism (2) are including agitator tank and heating outer container (20), heating outer container (20) are fixed in the agitator tank outside, water tank (33) top is equipped with mounting bracket (8), be fixed with powder agitator motor (7) and powder rabbling mechanism (6) on mounting bracket (8), powder agitator motor (7) and powder rabbling mechanism (6) transmission are connected, powder rabbling mechanism (6) are located the top of pitch rabbling mechanism (2), be equipped with water injection mechanism on water tank (33), water injection mechanism respectively with water tank (33), the agitator tank and heating outer container (20) are connected.

2. A color asphalt mixing device according to claim 1, characterized in that the front side of the trailer (1) is provided with a hook (12), the trailer (1) is provided with a discharge avoiding hole, the discharge avoiding hole is located under the stirring tank, and the upper end of the trailer (1) is located at the rear side of the asphalt stirring mechanism (2) and is provided with an object placing area.

3. The color asphalt mixing device according to claim 1, wherein the powder stirring mechanism (6) comprises a powder tank, the powder tank is fixed above the mounting frame (8), an access hole (15) and a plurality of discharge holes (14) are formed above the powder tank, an access cover is arranged on the access hole (15), a material guide hole (18) is formed in the rear side of the lower end of the powder tank, a material guide electric valve is arranged on the material guide hole (18), a stirring shaft (16) is arranged in the powder tank in a rotating mode, the end portion of the stirring shaft (16) extends out of the powder tank, the end portion of the stirring shaft (16) is in transmission connection with an output shaft of the powder stirring motor (7), and a flow guide stirring blade (17) is arranged on the stirring shaft (16).

4. A colored asphalt mixing device according to claim 1, wherein the asphalt stirring mechanism (2) further comprises a heat insulating layer (19), the heat insulating layer (19) is fixed on the outer side of the heating outer box (20), two symmetrical placing plates (23) are arranged at the upper end of the heat insulating layer (19), adjustable searchlights (3) are arranged at the lower ends of the placing plates (23), two symmetrical glass windows (25) are arranged on the heat insulating layer (19), the searchlights (3) are opposite to the glass windows (25) at the corresponding positions, two color spectrum comparison plates (26) are arranged on the outer side of the heat insulating layer (19), and the color spectrum comparison plates (26) are located on the side edges of the glass windows (25).

5. A color asphalt mixing device according to claim 2, characterized in that the upper end of the stirring tank is provided with an exhaust pipe (24), a feed inlet (21) and a plurality of feed inlets (22), the feed inlet (21) is located under the material guide port (18), the upper end of the stirring tank is fixed with a first stirring motor (4) and a second stirring motor (5), the output shafts of the first stirring motor (4) and the second stirring motor (5) both extend into the first stirring motor (4), the lower end of the output shaft of the first stirring motor (4) is fixed with a main stirring rod (31), the main stirring rod (31) is provided with a plurality of stirring blades with equal distance, the lower end of the output shaft of the second stirring motor (5) is fixed with an auxiliary stirring rod (32), the end of the auxiliary stirring rod (32) is provided with a stirring frame, and the stirring frame is located between the two stirring blades at the lower side.

6. A mixing plant for coloured asphalt according to claim 1, characterized in that the mixing tank is provided with two sets of symmetrical observation transparent pipes (30), the observation transparent pipes (30) extend out of the heating outer tank (20), the two sets of observation transparent pipes (30) are respectively aligned with the glass window (25) at the corresponding position, and the searchlight (3) is aligned with the uppermost observation transparent pipe (30).

7. A color asphalt mixing device according to claim 2, characterized in that the upper end of the mixing tank is provided with a discharge pipe orifice (28) and four support legs (27), the discharge pipe orifice (28) is located in the middle of the four support legs (27), the four support legs (27) are fixed on the trailer (1), the discharge pipe orifice (28) extends out of the discharge avoiding hole, and the upper end and the lower end of the heating outer box (20) are provided with water connecting pipes (29).

8. A colorful asphalt mixing device according to claim 7, wherein the water injection mechanism comprises a three-way pipe (13), a heater (9) and a water pump (10), the heater (9) and the water pump (10) are fixed above the water tank (33), the three-way pipe (13) is connected to the lower side of the water tank (33), the other two ends of the three-way pipe (13) are connected with an electric control valve (11), one of the electric control valves (11) is connected with a water inlet of the heater (9) through a pipeline, the water outlet ends of the other electric control valve (11) and the heater (9) are connected with the water inlet end of the water pump (10) through a pipeline, the water outlet end of the water pump (10) is connected with a three-way electromagnetic valve, the other two ends of the three-way electromagnetic valve are respectively connected with a water connecting pipe (29) and a feed inlet (21) at the upper end of the heating outer box (20), and the water connecting pipe (29) at the lower end of the heating outer box (20) is connected with the water tank (33).