阅读说明：本技术 道路沥青混合加热装置 (Road asphalt mixing and heating device ) 是由 王洪明 侯岚 吴志魁 王晓丽 余红磊 李伟 张万成 曹敬雪 楚永鸽 李艳 于 2021-08-13 设计创作，主要内容包括：本发明提供的一种道路沥青混合加热装置,有效的解决了在对不同材质的沥青路面进行修补过程中需要不同材料的问题,同时还能根据实际情况来对沥青料的重量进行控制,同时在进行沥青料混合过程中先进行加热,然后再进行混合沥青并搅拌均匀,其解决的技术方案是,包括加热筒,其特征在于,加热筒内竖向滑动连接有称重装置,称重装置上转动连接有承重板,加热筒下端设有搅拌腔,搅拌腔内同轴转动连接有搅拌叶片,还包括位于加热筒上端的供料装置,所述供料装置包括在圆柱形支撑壳体,支撑壳体内同轴转动连接有输送筒,输送筒内设有螺旋叶片,输送筒内固定连接有过滤网,过滤网为螺旋状布置。(The invention provides a road asphalt mixing and heating device, which effectively solves the problem that different materials are needed in the process of repairing asphalt pavements made of different materials, and simultaneously can control the weight of asphalt materials according to actual conditions, and simultaneously heats the asphalt materials during the process of mixing the asphalt materials, then mixes the asphalt and uniformly stirs the asphalt, and the technical proposal for solving the problem is that the road asphalt mixing and heating device comprises a heating cylinder and is characterized in that a weighing device is vertically and slidably connected in the heating cylinder, a bearing plate is rotatably connected on the weighing device, a stirring cavity is arranged at the lower end of the heating cylinder, a stirring blade is coaxially and rotatably connected in the stirring cavity, a feeding device positioned at the upper end of the heating cylinder is also included, the feeding device comprises a cylindrical support shell, a conveying cylinder is coaxially and rotatably connected in the support shell, a spiral blade is arranged in the conveying cylinder, and a filter screen is fixedly connected in the conveying cylinder, the filter screen is arranged spirally.)

1. Road pitch hybrid heating device, including cartridge heater (1), its characterized in that, vertical sliding connection has weighing device in cartridge heater (1), and the last rotation of weighing device is connected with bearing plate (12), and cartridge heater (1) lower extreme is equipped with stirring chamber (3), and coaxial rotation is connected with stirring vane (4) in stirring chamber (3), still including the feedway that is located cartridge heater (1) upper end, feedway includes at cylindrical supporting shell (5), and coaxial rotation is connected with transport cylinder (6) in supporting shell (5), is equipped with helical blade (7) in transport cylinder (6), has seted up a plurality of filtration pores (8) on transport cylinder (6), and coaxial fixedly connected with filter screen (9) in transport cylinder (6), filter screen (9) are arranged for the heliciform.

2. The road asphalt mixing and heating device according to claim 1, wherein the heating cylinder (1) is vertically slidably connected with a weighing ring (10), the weighing ring (10) and the heating cylinder (1) are supported by a plurality of elastic supporting members (11), the weighing ring (10) is rotatably connected with two semicircular bearing plates (12) which are symmetrically arranged, rotating shafts of the two bearing plates (12) outwards extend out of the heating cylinder (1), the rotating shafts of the two bearing plates (12) are connected through gears to rotate synchronously and in opposite directions, and the upper ends of the rotating connection parts of the two bearing plates (12) are respectively connected with one end of an arc sealing piece (13).

3. The road asphalt mixing and heating device according to claim 1, wherein the stirring cavity (3) is funnel-shaped with a large top and a small bottom, a plurality of stirring blades (4) are coaxially and rotatably connected in the stirring cavity (3), each stirring blade (4) is provided with a plurality of baffle plates (14), each baffle plate (14) is obliquely arranged, a plurality of auxiliary blades (15) are fixedly connected to the rotating shaft of each stirring blade (4) at uniform intervals along the axis, and the rotating shaft of each stirring blade (4) extends downwards out of the stirring cavity (3) and is in sealed and rotatable connection with the stirring cavity (3).

4. The road asphalt mixing and heating device according to claim 1, wherein the cylindrical supporting shell (5) is obliquely arranged with a low feeding port and a high discharging port, the supporting shell (5) is coaxially and rotatably connected with the conveying cylinder (6), the filtering holes (8) formed in the conveying cylinder (6) are uniformly distributed along the circumference of the axis of the conveying cylinder (6), the upper end of the supporting shell (5) is rotatably connected with the cleaning shaft (16), the axis of the cleaning shaft (16) is parallel to the axis of the conveying cylinder (6), the cleaning shaft (16) and the conveying cylinder (6) are connected through the conveying belt (19) to synchronously rotate, the cleaning shaft (16) is uniformly provided with a plurality of protrusions (17) on the circumference, and the protrusions (17) and the filtering holes (8) are matched.

5. The road asphalt mixing and heating device according to claim 4, wherein the filter screen (9) coaxially and fixedly connected in the conveying cylinder (6) is in a grid shape and is spirally arranged, a material guide plate (18) is arranged at the discharge port of the conveying cylinder (6), a conveying belt (19) matched with the discharge port of the conveying cylinder (6) is arranged on the material guide plate (18), the conveying belt (19) is in an arc-shaped structure, a support ring (20) for supporting the extending end of the filter screen (9) is fixedly connected to the material guide plate (18), and a guide plate (21) obliquely arranged for cleaning the material discharged by the filter screen (9) is further fixedly connected to the material guide plate (18).

6. The road asphalt mixing and heating device according to claim 4, wherein the protrusions (17) on the cleaning shaft (16) always correspond to the positions of the filtering holes (8) on the conveying drum (6) when the cleaning shaft (16) and the conveying drum (6) rotate synchronously.

7. The road asphalt mixing and heating device according to claim 1, wherein the support housing (5) is provided at its lower end with an obliquely arranged collection chamber (22).

8. The asphalt mixing and heating device for roads as claimed in claim 5, wherein a protective plate (23) for protecting the conveyor belt (19) is fixedly connected to the material guide plate (18).

9. The road asphalt mixing and heating device according to claim 1, wherein a heating element is arranged in the heating cylinder (1) and used for heating the heating cylinder (1), and a charging opening for adding asphalt is further arranged at the upper end of the heating cylinder (1).

10. The road asphalt mixing and heating apparatus according to claim 1, wherein the supply means is plural, and each supply means is connected to a hopper of a different material.

Technical Field

The invention relates to an asphalt mixing device, in particular to a road asphalt mixing and heating device.

Background

In the process of repairing the road, the part needing to be repaired is mostly crack and sunken form, at this moment, if the cold-mixed asphalt material is used, not only the gap part can not be filled up, the same cold-mixed asphalt material needs to be compacted, because the part needing to be repaired has the crack, the road surface can be further damaged by leveling instruments such as a road roller, so the hot-mixed asphalt mixture is needed to repair the road surface, but because the asphalt road surface is various, the materials needed in each area are different, the materials used for repairing are different at the same time, so the asphalt mixing and heating device for changing the material proportion in real time according to the condition is needed, thereby the flexible construction under various different conditions is met, and simultaneously, the waste can not be caused on the premise of improving the material performance and connectivity of the repaired part.

Disclosure of Invention

Aiming at the situation and overcoming the defects of the prior art, the invention provides a road asphalt mixing and heating device which effectively solves the problem that different materials are needed in the process of repairing asphalt pavements made of different materials, can control the weight of asphalt materials according to actual conditions, prevents waste phenomena, heats the asphalt materials in the process of mixing the asphalt materials, screens the asphalt materials in the heating process, keeps the screened asphalt materials warm, mixes the asphalt and uniformly stirs the asphalt, not only enables the asphalt and the asphalt materials to be combined more tightly, but also utilizes waste heat to carry out heat preservation treatment, saves energy and reduces power consumption.

The technical scheme of its solution is, including the cartridge heater, its characterized in that, vertical sliding connection has a weighing device in the cartridge heater, rotates on the weighing device and is connected with the bearing plate, and the cartridge heater lower extreme is equipped with the stirring chamber, and the coaxial rotation in the stirring chamber is connected with stirring vane, still including the feedway that is located the cartridge heater upper end, feedway includes at cylindrical support housing, and the coaxial rotation is connected with the feed cylinder in the support housing, is equipped with helical blade in the feed cylinder, has seted up a plurality of filtration pores on the feed cylinder, and coaxial fixedly connected with filter screen in the feed cylinder, filter screen are the heliciform and arrange.

Preferably, the heating cylinder is vertically and slidably connected with a weighing ring, the weighing ring and the heating cylinder are supported through a plurality of elastic supporting pieces, the weighing ring is rotatably connected with two semicircular bearing plates which are symmetrically arranged, the rotating shafts of the two bearing plates extend out of the heating cylinder, the rotating shafts of the two bearing plates are connected through gears to rotate synchronously and in opposite directions, and the upper ends of the rotating connecting parts of the two bearing plates are respectively connected with one end of an arc-shaped sealing piece.

As preferred, the stirring chamber is big-end-up's hourglass hopper-shaped, and the coaxial rotation in the stirring chamber is connected with a plurality of stirring vane, all is equipped with a plurality of separation blades on each stirring vane, and each separation blade is the slant and arranges, still along a plurality of auxiliary blade of the even interval fixedly connected with of axis in the stirring vane pivot, the stirring vane pivot stretch out the stirring chamber downwards and with stir between the chamber sealed rotation be connected.

Preferably, the cylindrical supporting shell is obliquely arranged with a low feeding hole and a high discharging hole, the supporting shell is internally and coaxially and rotatably connected with a conveying cylinder, filtering holes formed in the conveying cylinder are uniformly distributed along the circumference of the axis of the conveying cylinder, the upper end of the supporting shell is rotatably connected with a cleaning shaft, the axis of the cleaning shaft is parallel to the axis of the conveying cylinder, the cleaning shaft and the conveying cylinder are connected through a conveying belt and synchronously rotate, a plurality of bulges are uniformly distributed on the circumference of the cleaning shaft, and the bulges are matched with the filtering holes.

Preferably, the filter screen coaxially and fixedly connected in the conveying cylinder is arranged in a grid shape and spirally, a material guide plate is arranged at a discharge port of the conveying cylinder, a conveying belt matched with the discharge port of the conveying cylinder is arranged on the material guide plate, the conveying belt is of an arc-shaped structure, a support ring used for supporting the extending end of the filter screen is fixedly connected onto the material guide plate, and a guide plate obliquely arranged and used for cleaning materials discharged by the filter screen is fixedly connected onto the material guide plate.

Preferably, when the cleaning shaft and the conveying cylinder rotate synchronously, the protrusions on the cleaning shaft correspond to the positions of the filter holes on the conveying cylinder all the time.

Preferably, the lower end of the support shell is provided with a collection cavity which is obliquely arranged.

Preferably, a protective plate for protecting the conveying belt is fixedly connected to the material guide plate.

Preferably, a heating element is arranged in the heating cylinder and used for heating the heating cylinder, and a charging opening used for adding asphalt is further formed in the upper end of the heating cylinder.

Preferably, the feeding device is a plurality of feeding devices, and each feeding device is connected with a material storage device of different materials.

The invention has the beneficial effects that:

1. different materials are required to be proportioned and adjusted in real time in the process of repairing asphalt pavements made of different materials;

2. the weight of the asphalt material is controlled according to the actual situation, so that the waste phenomenon is prevented;

3. the asphalt material is heated firstly in the mixing process, and screening is carried out in the heating process, so that dust is easy to fall off and is more easily and tightly combined with asphalt;

4. the screened asphalt material is insulated, then mixed asphalt is mixed and stirred uniformly, so that the asphalt and the asphalt material are combined more tightly, and meanwhile, the waste heat is utilized for heat insulation treatment, so that the energy is saved, and the power consumption is reduced.

Drawings

FIG. 1 is an overall schematic view of the present invention.

FIG. 2 is a second perspective view of the present invention.

FIG. 3 is a schematic view of a heating cartridge of the present invention.

Fig. 4 is a sectional view of a heating cartridge according to the present invention.

Fig. 5 is a partially enlarged view in cross-section of the heating cartridge of the present invention.

Fig. 6 is a second perspective view of a heating cartridge in accordance with the present invention.

Fig. 7 is a partially enlarged view of a second perspective of a cross-sectional view of the cartridge heater of the present invention.

FIG. 8 is a schematic view of a feeding device according to the present invention.

FIG. 9 is a second perspective view of the feeding device of the present invention.

FIG. 10 is a cross-sectional view of the feeding device of the present invention.

FIG. 11 is a partial cross-sectional view of a feeding device according to the present invention.

Fig. 12 is an enlarged partial view of a feeder according to the invention in partial cross-section.

Reference numerals

1. The device comprises a heating cylinder, 3 stirring cavities, 4 stirring blades, 5 supporting shells, 6 conveying cylinders, 7 spiral blades, 8 filtering, 9 filtering, 10 weighing rings, 11 elastic supporting pieces, 12 bearing plates, 13 arc sealing pieces, 14 blocking pieces, 15 auxiliary blades, 16 cleaning shafts, 17 protrusions, 18 guide plates, 19 conveying belts, 20 supporting rings, 21 guide plates, 22 collecting cavities and 23 protective plates.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings 1 to 12.

When the embodiment is used, firstly, the material composition and the material proportion of the road surface are determined according to the condition of the road surface part to be repaired, then the material proportion of the asphalt mixture to be repaired is obtained, then each feeding device starts to feed materials on the bearing plate 12 at the upper end of the heating cylinder 1, in the feeding process of the feeding devices, each feeding device selects different filtering holes 8 and filtering nets 9 according to the different materials to be supplied, the size and the rotating direction of the helical blades 7 in each feeding device are the same, the proportion to be fed is determined according to the rotating speed of each conveying cylinder 6, as the diameter of each conveying cylinder 6 is the same as that of the helical blades 7 in the inner part, the materials output by the conveying cylinder 6 rotating for one circle are the same, the rotating speed proportion of the conveying cylinder 6 can be controlled when the materials with different proportions are required, the proportion of the discharge amount of each conveying cylinder 6 can be controlled, so that the proportion of each material in the asphalt mixture can be controlled, after the materials in each proportion are conveyed to the bearing plate 12, because the bearing plate 12 is vertically and slidably connected in the heating cylinder 1, and meanwhile, each bearing plate 12 is connected with the heating cylinder 1 through the elastic support piece 11, after the weight on the bearing plate 12 reaches a set value, the bearing plate 12 is pressed downwards to a set position, after the bearing plate 12 moves downwards for a set distance, a sensor arranged on the bearing plate 12 can detect that the bearing plate 12 moves downwards to reach the set position, namely, the material on the bearing plate 12 reaches the set weight, at the moment, the conveying of each feeding device is stopped, then the bearing plate 12 is controlled to rotate along the part rotationally connected with the heating cylinder 1, the change from the horizontal direction to the vertical direction is completed in the rotating process of the bearing plate 12, become vertical direction in-process bearing plate 12 upper surface at bearing plate 12 and lose bearing capacity gradually, the material that is located on the bearing plate 12 up end can drop downwards and enter into stirring chamber 3 in, start the heating components and parts that stirring vane 4 and churn in the stirring chamber 3 are connected, make stirring chamber 3 at temperature rise to the setting value, the pitch charge door that will stir 3 upper ends of chamber is connected simultaneously is opened, send into and enter into the material in stirring chamber 3 and be the pitch material after the heating of corresponding weight proportion, then accomplish the stirring action to the bituminous mixture in stirring chamber 3 at stirring vane 4 rotation in-process, stirring vane 4 reversal after the completion of mixing, the pitch material that will mix the completion is exported from stirring chamber 3.

The weighing ring 10 in the heating cylinder 1 determines the weight at the upper end of the weighing ring 10 according to the downward movement distance, so as to determine the amount of the material, after the weight on the weighing ring 10 reaches the set weight, the controller controls each feeding device to stop feeding, the rotating shafts of the two bearing plates 12 are connected through the gears, and the gears connecting the two bearing plates 12 have the same size, so that the two bearing plates 12 synchronously rotate in the opposite direction in the rotating process driven by the driving motor, gradually incline in the rotating process of the two bearing plates 12, so that the material on each bearing plate 12 falls downwards under the action of gravity and enters the stirring cavity 3, and after each bearing plate 12 rotates to the vertical direction and completely dumps the material on the bearing plate 12, each bearing plate 12 resets in the reverse rotating process of the driving motor, can stop the material that drops on bearing plate 12 and weigh after each bearing plate 12 resets and accomplishes, can weigh next time, and connect through arc gasket 13 between two bearing plate 12 up ends, arc gasket 13 is flexible structure, and the 13 both ends of arc gasket are connected respectively on corresponding bearing plate 12, not only play the sealed effect of connecting the position to bearing plate 12, can also carry out the arc at the dead angle position of two bearing plates 12 and connect, prevent to be located the material on bearing plate 12 and not drop downwards when unloading, make two bearing meet the position upper end and be the arc, do not exist long-pending material dead angle on the assurance bearing plate 12.

Stirring vane 4 in stirring chamber 3 is arc and shape and 3 shape cooperations in stirring chamber, each separation blade 14 on stirring vane 4 is the slant and arranges, can drive each separation blade 14 synchronous rotation in stirring vane 4 rotation in-process, promote the material from the bottom up when stirring vane 4 corotation, draw in the material from the top down when stirring vane 4 reversal, the slant of each separation blade 14 is arranged and can be promoted the material that is located the below to the top that inclines, accomplish the motion and the mixture of the material in the churn, mean need carry out the ejection of compact when stirring vane 4 reversal, stirring vane 4 reversal at this moment can make each separation blade 14 reversal, it can stir the material from the top down slant to send a separation blade 14, the material in the drive churn is concentrated in the funnel-shaped bottom of lower extreme, be located stirring vane 4 pivot still is equipped with a plurality of auxiliary blade 15, each auxiliary blade 15 will be located the material of funnel-shaped stirring chamber 3 lower extreme upwards at stirring vane 4 corotation in-process Promote, will be located the material that leaks hopper-shaped stirring chamber 3 lower extreme when stirring vane 4 reverses and carry out the auxiliary transportation downwards, the separation blade 14 that is located stirring vane 4 simultaneously all plays the supplementary clearance effect to stirring chamber 3 with the epaxial auxiliary vane 15 that is located stirring vane 4, prevents that the material of last time can cause the influence to the material that stirs the mixture next time.

The oblique arrangement of the conveying cylinder 6 can enable the impurities in the materials to better fall from the filtering holes 8 and be collected during the rotation of the conveying cylinder 6, the axis of the cleaning shaft 16 is always parallel to the axis of the conveying cylinder 6, meanwhile, the outer contour of the cleaning shaft 16 is always tangent to the outer contour of the conveying cylinder 6, the cleaning shaft 16 and the conveying cylinder 6 move synchronously through a synchronous belt, all the bulges 17 on the cleaning shaft 16 are always matched with the filter holes 8 on the conveying cylinder 6, when the conveying cylinder 6 and the cleaning shaft 16 synchronously rotate, the bulge 17 on the cleaning shaft 16 presses the filter holes 8 on the conveying cylinder 6 to prevent the filter holes 8 from being blocked, because clearance axle 16 is located the conveying cylinder 6 upper end, if not blocking the residue in the filtration hole 8 on the conveying cylinder 6, residue and material all can drop downwards under the action of gravity like this, and only the material of card in filtering the hole 8 can be cleared up by clearance axle 16.

Materials which are inevitably caked and large-particle materials which have large volume and do not meet the condition in the process of conveying the materials are intercepted by the filter screen 9 in the process of passing through the filter screen 9, the materials with normal volume leak from the filter screen 9, so the materials with large volume are supported by the filter screen 9, because the filter screen 9 is spirally arranged, the materials move forwards while moving spirally and obliquely upwards in the rotating process of the filter screen 9, but because the caked materials in the filter screen 9 fall down into the grids of the filter screen 9 in front when moving to an angle which is gradually increased, the materials in the filter screen 9 move forwards, meanwhile, the caked materials repeatedly rise and fall all the time in the forward moving process, a part of caked materials can be loosened in the falling process, and then the caked materials are disassembled, the volume of the disintegrated materials is reduced and the materials fall from the grids, but the materials with the caking being always clung to each other are conveyed out of the filter screen 9 and collected.

The conveyer belt 19 outside the conveying cylinder 6 is positioned at the discharge hole of the conveying cylinder 6, the material output by the conveying cylinder 6 can be carried by the conveyer belt 19 and conveyed to a set position, the support plate is rotatably connected with the extending end of the filter screen 9 to support the filter screen 9, and the material of the discharged caking in the filter screen 9 can be guided to the set position by the guide plate 21 which is obliquely arranged and collected.

The protective plates 23 on the material guide plate 18 protect both ends of the conveyor belt 19 and prevent the material from entering into the gap between the conveyor belt 19 and the material guide plate 18 and causing blockage.