CN216999162U - Asphalt concrete stirring device with more sufficient heating and stirring functions - Google Patents

Abstract

The utility model relates to an asphalt concrete stirring device with more sufficient heating and stirring, which comprises a stirring box, a heater, a stirring motor and a stirring rod, the top of the stirring box is provided with a stirring cover, the discharge port is provided with an opening and closing valve, the stirring box also comprises a stirring cover, the heater is arranged around the outer wall of the stirring box, the outer wall of the stirring rod is provided with a first blade, the stirring cover is sleeved outside the first blade, gaps are respectively reserved between the two ends of the stirring cover and the bottom of the stirring box, the outer wall of the stirring cover is provided with a second blade, the first blade and the second blade are both spiral blades, the first blade drives the asphalt concrete in the stirring tank to move towards the stirring cover when rotating, the second blade drives the asphalt concrete in the stirring box to move back to the stirring cover when rotating. The utility model provides an asphalt concrete stirring device which can heat and stir more fully.

Description

Asphalt concrete stirring device with more sufficient heating and stirring functions

Technical Field

The utility model relates to the technical field of asphalt concrete processing, in particular to an asphalt concrete stirring device capable of heating and stirring more fully.

Background

With the development of economy in China, the mileage of the highway is continuously increased, and the asphalt concrete pavement is widely adopted due to the advantages of good smoothness, stable and comfortable driving and low noise. The most commonly used asphalt concrete mixing device in the construction of asphalt concrete roads needs to heat asphalt when in use because the asphalt is solid when being cooled, and in order to ensure the strength and the quality uniformity of asphalt concrete pavements, the temperature uniformity of the asphalt concrete needs to be ensured firstly, and the uniform mixing of sand and asphalt must also be ensured.

SUMMERY OF THE UTILITY MODEL

In summary, in order to overcome the defects of the prior art, the utility model provides an asphalt concrete mixing device which can heat and mix more fully.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heating and more abundant asphalt concrete agitating unit of stirring, includes agitator tank, heater, agitator motor and puddler, the agitator tank is equipped with feed inlet and discharge gate, the agitator tank top is equipped with the stirring lid, the discharge gate is equipped with the on-off valve, the agitator tank bottom is equipped with a plurality of supporting legss, still includes the agitator housing, the heater encircles the outer wall setting of agitator tank, agitator motor is in drive on the agitator housing the puddler with the agitator housing is in the agitator tank internal rotation, the outer wall of puddler is equipped with first blade, the agitator housing cover is located outside the first blade, there is the clearance respectively between agitator housing both ends and the agitator lid with the bottom of agitator tank, the agitator housing outer wall is equipped with the second blade, first blade with the second blade all is helical blade, take when first blade is rotatory asphalt concrete orientation in the agitator tank the agitator housing removes, the second blade is driven to move back to the stirring cover when rotating, the feed port is located on the stirring cover, and the discharge port is located at the bottom of the stirring box.

The arrangement is that when in use, the open-close valve of the discharge port is in a closed state, asphalt concrete is filled into the stirring box from the feed port, the stirring device is operated after the filling is finished, the heater arranged around the outer wall of the stirring box can start to heat the outer wall of the stirring device, so that the outer wall of the stirring box enters a high-temperature state, the stirring motor can drive the stirring rod to rotate in the stirring box on the stirring cover, because the first blade is arranged on the outer wall of the stirring rod, the spiral first blade can drive the asphalt concrete in the stirring box to flow towards one direction when rotating along with the stirring rod, and the stirring cover sleeved outside the stirring rod can limit the flow direction of the asphalt concrete, so that the flow of the asphalt concrete is more stable, the first blade can roll the asphalt concrete from the bottom of the stirring cover when rotating, so that the asphalt concrete flows towards the stirring cover, when the asphalt concrete hits the stirring cover or is jacked on the top surface of the stirring cover, the asphalt concrete can fall to the outside when the asphalt concrete cannot be driven continuously, namely the space between the outer wall of the stirring cover and the inner wall of the stirring box, the asphalt concrete contacts the inner wall of the stirring box in the space, and is heated fully, and the stirring cover is also driven to rotate together in the process, the outer wall of the stirring cover is also provided with a spiral second blade, the second blade drives the asphalt concrete to flow towards the bottom of the stirring box when rotating, the heated asphalt concrete moves to the bottom of the stirring box again and is rolled into the stirring cover by the first blade, continuous repetition, the circulation flows, and comprehensive stirring is more abundant, and the asphalt concrete in the agitator tank all can be taken the position heating between agitator tank inner wall and the stirring cover at the stirring in-process, and it is even to be heated while the stirring, and asphalt concrete finished product is of high quality, reopens the on-off valve when needing discharge asphalt concrete, makes asphalt concrete flow from the discharge gate.

Furthermore, the stirring cover and the stirring rod are integrally arranged, and the spiral directions of the first blade and the second blade are reversely arranged.

So set up, just can rotate together along with the rotation of puddler after stirring cover and the integrative setting of puddler, only need a agitator motor can drive two parts and rotate together, and the synchronous easy accuse of rotational speed, and first blade and second blade spiral direction reverse set up the back two syntropy and rotate its flow direction that drives also can be opposite.

Further, the inner wall of the stirring cover is connected with the outer edge of the first blade.

So set up, it is convenient to connect, and need not additionally to set up the flow that structures such as connecting rod influence asphalt concrete between stirring cover and the puddler.

Further, a gap exists between the outer edge of the second blade and the inner wall of the stirring box.

So set up, the inner wall of second blade scraping agitator tank when rotatory can be avoided to the second blade outward flange after setting up the clearance with the agitator tank inner wall, and the width of second blade can set up shorter, because the inside asphalt concrete of agitator shield only receives the traction force of spiral shape first blade and still needs customer service gravity, and the outer asphalt concrete of agitator shield also has gravity to add when receiving second blade traction force and holds, the width of second blade sets up shorter inside and outside atress circumstances of changing the balance, also can reduce the required drive power of agitator motor.

Further, the distance between the first blade and the stirring cover is smaller than the distance between the stirring cover and the stirring cover.

So set up, first blade will extend to the position above the agitator housing top surface, guarantees that asphalt concrete can be taken out of the agitator housing, flows to its outside.

Further, the distance between the first blade and the bottom of the stirring box is larger than the distance between the stirring cover and the bottom of the stirring box.

So set up, first blade will be located the agitator shield completely, guarantees that the asphalt concrete that is driven by first blade can get into the agitator shield.

Furthermore, one side of the stirring cover facing the stirring box is provided with a conical boss surrounding the stirring rod.

So set up, the asphalt concrete that is driven to flow from the agitator housing top by first blade can hit the toper boss, dashes at the position of its apex angle, is strutted along its conical lateral wall again, changes the outside of gliding to the agitator housing, reduces the possibility that falls back in the agitator housing.

Furthermore, one side of the stirring cover facing the stirring box is provided with an annular boss surrounding the inner wall of the stirring box.

So set up, the bituminous concrete who is driven to flow out from the agitator shield top by first blade dashes and covers and just can hit the inner wall of annular boss when flowing to the outer lane along the plane of agitator cap again, can directly not hit borrow mouthful department at agitator cap and agitator tank, reduces the possibility of leaking from this department.

Further, the inner ring of the annular boss is arranged towards the bottom of the stirring box in a flaring mode.

So set up, the inner wall of annular boss will become the inclined plane form that leans out, and asphalt concrete can collide the inclined plane rather than the right angle face, and is more stable.

Furthermore, the outer wall of the stirring box is provided with a heat conduction layer, and heat conduction liquid is arranged in the heat conduction layer.

So set up, the heater will be followed the heat conduction liquid in the agitator tank outer wall heating heat-conducting layer, heats asphalt concrete by the heat conduction liquid of high temperature again, and the heating is more even, and is stable.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a partial cross-sectional view of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a stirring rod according to an embodiment of the present invention.

The reference numbers in the figures mean: 1. the stirring device comprises a stirring box, 101, a feeding hole, 102, a discharging hole, 1021, an opening and closing valve, 103, a stirring cover, 1031, a conical boss, 1032, an annular boss, 104, supporting legs, 105, a heat conduction layer, 1051, heat conduction liquid, 2, a heater, 3, a stirring motor, 4, a stirring rod, 401, a first blade, 5, a stirring cover and 501, and a second blade.

Detailed Description

The present embodiment is only an explanation of the present embodiment, and it is not a limitation of the present embodiment, and a person skilled in the art can make modifications without inventive contribution to the present embodiment as needed after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present embodiment.

Referring to the attached drawings, the utility model provides the following technical scheme: the utility model provides a more abundant asphalt concrete mixing device of heating and stirring, includes agitator tank 1, heater 2, agitator motor 3 and puddler 4, agitator tank 1 is equipped with feed inlet 101 and discharge gate 102, agitator tank 1 top is equipped with stirring lid 103, discharge gate 102 is equipped with on-off valve 1021, agitator tank 1 bottom is equipped with a plurality of supporting legss 104, still includes agitator housing 5, heater 2 encircles the outer wall setting of agitator tank 1, agitator motor 3 is in drive on the stirring lid 103 puddler 4 with agitator housing 5 is in agitator tank 1 internal rotation, the outer wall of agitator rod 4 is equipped with first blade 401, agitator housing 5 cover is located outside first blade 401, there is the clearance respectively between 5 both ends of agitator housing and stirring lid 103 and the bottom of agitator tank 1, agitator housing 5 outer wall is equipped with second blade 501, the first blade 401 and the second blade 501 are both spiral blades, the first blade 401 drives the asphalt concrete in the stirring box 1 to move towards the stirring cover 103 when rotating, the second blade 501 drives the asphalt concrete in the stirring box 1 to move back to the stirring cover 103 when rotating, the feeding hole 101 is located on the stirring cover 103, and the discharging hole 102 is located at the bottom of the stirring box 1.

So set up, the on-off valve 1021 of the discharge port 102 is in the closed state when in use, firstly, the asphalt concrete is poured into the mixing box 1 from the feed port 101, after the pouring is finished, the mixing device is operated, at this time, the heater 2 arranged around the outer wall of the mixing box 1 will start to heat the outer wall of the mixing device, so that the outer wall of the mixing box 1 enters into the high temperature state, the mixing motor 3 will drive the mixing rod 4 to rotate in the mixing box 1 on the mixing cover 103, because the first blade 401 is arranged on the outer wall of the mixing rod 4, the spiral first blade 401 will drive the asphalt concrete in the mixing box 1 to flow towards one direction when rotating together with the mixing rod 4, and the mixing cover 5 sleeved outside the mixing rod will limit the flowing direction of the asphalt concrete, so that the flow of the asphalt concrete is more stable, so the first blade 401 will roll the asphalt concrete from the bottom of the mixing cover 5 when rotating, the asphalt concrete flows to the stirring cover 103, when the asphalt concrete hits the stirring cover 103 or is jacked to the top surface of the stirring cover 5 and cannot be continuously driven, the asphalt concrete falls to the outer side, namely the space between the outer wall of the stirring cover 5 and the inner wall of the stirring box 1, the asphalt concrete contacts the inner wall of the stirring box 1 in the space, the asphalt concrete is fully heated, in the process, the stirring cover 5 is also driven to rotate, the outer wall of the stirring cover 5 is also provided with a spiral second blade 501, the second blade 501 drives the asphalt concrete to flow towards the bottom of the stirring box 1 when rotating, the heated asphalt concrete moves to the bottom of the stirring box 1 again and is rolled into the stirring cover 5 by the first blade 401, the asphalt concrete continuously repeats, circularly flows and is fully stirred, and the asphalt concrete in the stirring box 1 is all the time taken to the position between the inner wall of the stirring box 1 and the stirring cover 5 to be heated, the asphalt concrete is heated evenly while being stirred, the finished product of the asphalt concrete has good quality, and the on-off valve 1021 is opened when the asphalt concrete needs to be discharged, so that the asphalt concrete flows out from the discharge port 102.

In this embodiment, the stirring cover 5 is preferably provided integrally with the stirring rod 4, and the first blade 401 is provided opposite to the spiral direction of the second blade 501.

So set up, agitator housing 5 just can be along with agitator shaft 4's rotation is rotatory together after agitator housing 5 and 4 an organic whole sets up, only needs a agitator motor 3 can drive two parts and rotate together, and the rotational speed is synchronous easily controlled, and first blade 401 and second blade 501 spiral direction reverse set up the back two syntropy rotate its flow direction that drives also can be opposite.

In this embodiment, the inner wall of the stirring hood 5 is preferably connected to the outer edge of the first blade 401.

So set up, it is convenient to connect, and need not additionally to set up the flow that structures such as connecting rod influence asphalt concrete between agitator housing 5 and puddler 4.

In this embodiment, preferably, a gap exists between an outer edge of the second blade 501 and an inner wall of the stirring box 1.

So set up, second blade 501 outward flange can avoid second blade 501 to scrape the inner wall of agitator tank 1 when rotatory after setting up the clearance with 1 inner wall of agitator tank, and the width of second blade 501 can set up is shorter, because the inside asphalt concrete of agitator shield 5 still needs customer service gravity by the traction force that only receives spiral first blade 401, and the outer asphalt concrete of agitator shield 5 also has the adding of gravity when receiving second blade 501 traction force and holds, the width of second blade 501 sets up the inside and outside atress condition of shorter easier balance, also can reduce the required drive power of agitator motor 3.

In this embodiment, the distance between the first blade 401 and the agitator cap 103 is preferably smaller than the distance between the agitator housing 5 and the agitator cap 103.

So configured, the first blade 401 will extend to a position above the top surface of the mixing bowl 5, ensuring that the asphalt concrete can be carried out of the mixing bowl 5 and towards the exterior thereof.

In the present embodiment, the distance from the first blade 401 to the bottom of the stirring tank 1 is preferably greater than the distance from the stirring hood 5 to the bottom of the stirring tank 1.

So set up, first blade 401 will be located stirring cover 5 completely, guarantees that the asphalt concrete who is driven by first blade 401 can get into stirring cover 5.

In the preferred embodiment, the side of the stirring cover 103 facing the stirring box 1 is provided with a conical boss 1031 arranged around the stirring rod 4.

So set up, the asphalt concrete that is driven to flow out from the agitator housing 5 top by first blade 401 can hit toper boss 1031, dashes at the position of its apex angle, is strutted along its conical lateral wall again, changes the outside of gliding to agitator housing 5, reduces the possibility that falls back in agitator housing 5.

In this embodiment, preferably, a ring-shaped boss 1032 disposed around the inner wall of the stirring box 1 is disposed on a side of the stirring cover 103 facing the stirring box 1.

So set up, the asphalt concrete that is driven by first blade 401 to flow out from the top of agitator housing 5 dashes on agitator cap 103 and just can hit the inner wall of annular boss 1032 along the plane flow direction outer lane of agitator cap 103, can directly not hit at agitator cap 103 and the borrow mouth department of agitator tank 1, reduces the possibility of leaking from this department.

Preferably, in this embodiment, the inner ring of the annular boss 1032 is flared towards the bottom of the stirring tank 1.

So set up, annular boss 1032's inner wall will become the inclined plane form that leans out, and asphalt concrete can collide the inclined plane rather than the right angle face, and is more stable.

In this embodiment, preferably, the outer wall of the stirring tank 1 is provided with a heat conduction layer 105, and the heat conduction layer 105 is provided with a heat conduction liquid 1051.

So set up, heat-conducting liquid 1051 in the heat-conducting layer 105 will be followed to heater 2 from 1 outer wall heating of agitator tank, heats asphalt concrete by heat-conducting liquid 1051 of high temperature again, and the heating is more even, and is stable.

Although the present invention has been described in detail with reference to the foregoing embodiments, the scope of the present invention is not limited thereto, and any person skilled in the art should be construed as being included in the scope of the present invention, and equivalents and modifications of the technical solution and the inventive concept thereof are also included in the scope of the present invention.

Claims (10)

1. The utility model provides a heating and more abundant asphalt concrete agitating unit of stirring, includes agitator tank, heater, agitator motor and puddler, the agitator tank is equipped with feed inlet and discharge gate, the agitator tank top is equipped with the stirring lid, the discharge gate is equipped with the on-off valve, the agitator tank bottom is equipped with a plurality of supporting legss, its characterized in that: still include the agitator housing, the heater encircles the outer wall setting of agitator tank, agitator motor is in the drive is covered to the stirring the puddler with the agitator housing is in the agitator tank internal rotation, the outer wall of puddler is equipped with first blade, the agitator housing cover is located outside the first blade, the agitator housing both ends with the agitator housing with there is the clearance respectively between the bottom of agitator tank, the agitator housing outer wall is equipped with the second blade, first blade with the second blade all is helical blade, take during the rotation of first blade asphalt concrete orientation in the agitator tank the agitator housing removes, take during the rotation of second blade asphalt concrete in the agitator tank dorsad the agitator housing removes, the feed inlet is located the agitator housing, the discharge gate is located the bottom of agitator tank.

2. A more thoroughly heated and mixed asphalt mixing plant as set forth in claim 1, wherein: the stirring cover and the stirring rod are integrally arranged, and the first blade and the second blade are reversely arranged in the spiral direction.

3. A more thoroughly heated and mixed asphalt mixing plant as claimed in claim 2, wherein: the inner wall of the stirring cover is connected with the outer edge of the first blade.

4. A more thoroughly heated and mixed asphalt mixing plant as set forth in claim 1, wherein: there is a clearance between the outward flange of second blade and the inner wall of agitator tank.

5. A more thoroughly heated and mixed asphalt mixing plant as set forth in claim 1, wherein: the distance between the first blade and the stirring cover is smaller than the distance between the stirring cover and the stirring cover.

6. A more thoroughly heated and mixed asphalt mixing plant as set forth in claim 1, wherein: the distance between the first blade and the bottom of the stirring box is larger than the distance between the stirring cover and the bottom of the stirring box.

7. A more thoroughly heated and mixed asphalt mixing plant as set forth in claim 1, wherein: one side of the stirring cover facing the stirring box is provided with a conical boss surrounding the stirring rod.

8. A heated and more thoroughly mixed asphalt concrete mixing apparatus as set forth in claim 1, wherein: one side of the stirring cover facing the stirring box is provided with an annular boss surrounding the inner wall of the stirring box.

9. A heated and more thoroughly mixed asphalt concrete mixing apparatus according to claim 8, wherein: the inner ring of the annular boss faces the bottom of the stirring box in an expanding manner.

10. A heated and more thoroughly mixed asphalt concrete mixing apparatus as set forth in claim 1, wherein: the stirring box outer wall is equipped with the heat-conducting layer, be equipped with heat-conducting liquid in the heat-conducting layer.

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