CN217438637U

CN217438637U - Asphalt mixture mixing device

Info

Publication number: CN217438637U
Application number: CN202221357945.5U
Authority: CN
Inventors: 吕思忠; 苏建明; 王凯; 马士杰; 陈伟; 魏琨; 魏帅帅; 杜翰; 崔世萍; 崔婷; 陈凯; 符智
Original assignee: Shandong Hi Speed Co Ltd; Shandong Transportation Institute
Current assignee: Shandong Hi Speed Co Ltd; Shandong Transportation Institute
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-09-16
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to the field of asphalt mixture mixing equipment, in particular to an asphalt mixture mixing device, which comprises a frame, a mixing pot, an excitation mechanism, a turnover mechanism and a smoke blocking cover; the mixing pot comprises a pot body, a pot cover opening and closing mechanism and a stirrer; the pot cover is pivoted to the upper end of the pot body, and the pot cover opening and closing mechanism is used for driving the pot cover to turn over relative to the pot body; the stirrer is used for stirring the materials in the pot body; the pot body is arranged on the rack through the excitation mechanism; the turnover mechanism is used for driving the pot body to turn over relative to the rack; the mixing pot is positioned inside the smoke blocking cover, and the smoke blocking cover is provided with an air suction opening and an air inlet. The utility model adopts the smoke blocking hood to prevent the smoke from overflowing during discharging; the discharge is assisted by the excitation mechanism so as to improve the discharge efficiency; through the pot cover pivoted with the pot body, the pressure of the pot cover buckled on the pot body is borne by the pot body, and the turning of the pot body is not influenced.

Description

Asphalt mixture mixing device

Technical Field

The utility model relates to an asphalt mixture mixing apparatus field specifically is an asphalt mixture mixing device.

Background

The design code of asphalt pavement for roads (JTG D50-2017) commonly uses Marshall test, rutting test, etc. as the evaluation of various properties of asphalt mixture, so it is necessary to mix asphalt and aggregate into asphalt mixture in laboratory.

CN206599713U discloses bituminous mixture mixing device for experiments, during the use, descend horizontal position with driving motor through adjusting hydraulic stem and lock on the agitator, start driving motor switch and mix pitch and aggregate. Because the agitator is fixed, therefore mix and need dig out asphalt mixture from the agitator after accomplishing, very inconvenient.

CN212426634U discloses bituminous mixture amalgamator, including base, two stands of connection on the base, set up the stirred tank between two stands and set up the tilting mechanism on the stirred tank, still include the elevating system that lower extreme and stirred tank upper end are connected, set up the rabbling mechanism in the stirred tank top and set up the connecting block between the coexistence post, the connecting block is located the upper end of two pillars, and rabbling mechanism and elevating system all connect at the connecting block lower extreme. This mixer passes through the upset of tilting mechanism drive agitator kettle, can be convenient pour bituminous mixture. However, this mixer has the following disadvantages: (1) because the asphalt is mixed in a heating state, a large amount of smoke can be emitted when the asphalt mixture is poured out, and the surrounding environment is polluted; (2) because the asphalt has viscosity, part of asphalt mixture can be adhered to the inner wall of the stirring pot and the stirring mechanism, and the part of materials also needs to be manually taken out; (3) when mixing, in order to prevent to spill over the flue gas, the bellying needs to contact with the agitator kettle and keep certain pressure, and this pressure is directly exerted on the bracing piece, easily leads to the bracing piece to bend, and then influences the upset of agitator kettle.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects of the prior art and provide an asphalt mixture mixing device which adopts a smoke blocking cover to prevent the smoke from overflowing during discharging; the discharge is assisted by the excitation mechanism so as to improve the discharge efficiency; through the pot cover pivoted with the pot body, the pressure of the pot cover buckled on the pot body is borne by the pot body, and the turning of the pot body is not influenced.

The technical problem to be solved is realized by adopting the following technical scheme: an asphalt mixture mixing device comprises a frame, a mixing pot, a vibration excitation mechanism, a turnover mechanism and a smoke blocking hood; the mixing pot comprises a pot body, a pot cover opening and closing mechanism and a stirrer; the pot cover is pivoted to the upper end of the pot body, and the pot cover opening and closing mechanism is used for driving the pot cover to turn over relative to the pot body; the stirrer is used for stirring the materials in the pot body; the pot body is arranged on the rack through the excitation mechanism; the turnover mechanism is used for driving the pot body to turn over relative to the rack; the mixing pot is positioned inside the smoke blocking cover, and the smoke blocking cover is provided with an air suction opening and an air inlet.

Compared with the prior art, the utility model discloses an asphalt mixture agitating unit's beneficial effect does: (1) when the asphalt mixture is poured out, the smoke blocking hood can cover the smoke and suck the smoke away through the suction port to prevent the smoke from polluting the surrounding environment; (2) the asphalt mixture adhered to the inner wall of the pot body and the stirrer can be vibrated down through the vibration excitation mechanism, so that the discharging efficiency is improved; (3) the pot cover is pivoted on the pot body, so that the pressure of the pot cover buckled on the pot body is borne by the pot body, and the turning of the pot body is not influenced.

The technical scheme of the utility model still, excitation mechanism includes excitation platform, spring, vibration exciter, the excitation platform passes through spring mounting in the frame, the vibration exciter is installed on the pot body, pot body pin joint in excitation platform.

The technical scheme of the utility model still, tilting mechanism is including installing the upset motor on the excitation platform.

The technical scheme of the utility model still, the pot cover mechanism of opening and shutting includes connecting rod and linear electric motor, connecting rod fixed connection is in the pot cover, linear electric motor's both ends pin joint respectively in the pot body and connecting rod.

The technical proposal of the utility model is that the smoke-blocking hood comprises a fixed hood body, a folding hood body, a swing frame and a swing frame driving motor; the fixed cover body and the folding cover body are all installed in the frame, the folding cover body is located the top of the fixed cover body, the cross-section of the folding cover body and the swing frame all is the U-shaped, the one end of the folding cover body is connected in the frame, the other end of the folding cover body is connected in the swing frame, the swing frame pin joint is in the frame, swing frame driving motor is used for driving the swing frame to swing for the frame. By adopting the technical scheme, the folding cover body is folded when feeding, cleaning and overhauling are carried out, so that the operation of personnel or equipment cannot be interfered; during discharging, the folding cover body is unfolded, and the smoke can be effectively prevented from overflowing.

The technical scheme of the utility model still, at least one side of the fixed cover body is equipped with the door.

The technical scheme of the utility model still, the agitator includes stirring rake and agitator motor, the stirring rake is installed at the pot internally, agitator motor installs in the bottom of the pot body and is connected with the stirring rake.

The technical proposal of the utility model is that the upper end of the pot body is provided with a material guiding nozzle.

The technical scheme of the utility model also, still include heating device, heating device is used for heating the internal material of pot.

The technical proposal of the utility model is that the heating device comprises a heating belt arranged on the pot body.

Drawings

Fig. 1 is a first view showing a state of an asphalt mixing apparatus according to example 1.

Fig. 2 is a main sectional view of an asphalt mixing apparatus according to example 1, which is identical to the state shown in fig. 1.

Fig. 3 is a sectional view taken along a-a in fig. 2.

Fig. 4 is a view showing a state of the asphalt mixing apparatus according to example 1.

FIG. 5 is a second sectional view of the asphalt mixing apparatus according to example 1, which is identical to the view shown in FIG. 2.

Fig. 6 is a perspective view of a mixing pot in example 1.

In the figure: 1. the device comprises a rack, 2, a pot body, 3, a pot cover, 4, an air suction opening, 5, an air inlet, 6, an excitation platform, 7, a spring, 8, a vibration exciter, 9, a turnover motor, 10, a connecting rod, 11, a linear motor, 12, a fixed cover body, 13, a folding cover body, 14, a swing frame, 15, a swing frame driving motor, 16, a door, 17, a stirring paddle, 18, a stirring motor, 19, a material guide nozzle, 20, a heat tracing band, 21 and a control console.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the embodiments of the present disclosure will be described in detail and completely with reference to the accompanying drawings of specific embodiments of the present disclosure. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in the description and claims of the present disclosure are not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Example 1

Fig. 1 to 6 show embodiment 1 of the present invention.

The embodiment provides an asphalt mixture mixing device, which comprises a frame 1, a mixing pot, a vibration excitation mechanism, a turnover mechanism, a smoke blocking cover and a heating device.

The mixing pot comprises a pot body 2, a pot cover 3, a pot cover opening and closing mechanism and a stirrer.

As shown in fig. 6, the pot body 2 is cylindrical with an open upper end, and the pot cover 3 is pivoted to the upper end of the pot body 2 to open and close the upper end opening of the pot body 2. When the pot cover 3 is opened, feeding and discharging can be realized; the pot cover is closed during mixing, so that the smoke can be prevented from overflowing and the heat can be prevented from being dissipated. The pot cover opening and closing mechanism is used for driving the pot cover 3 to turn over relative to the pot body 2, and specifically, the pot cover opening and closing mechanism in the embodiment comprises a connecting rod 10 and a linear motor 11, the connecting rod 10 is fixedly connected to the pot cover 3, and two ends of the linear motor 11 are respectively pivoted to the pot body 2 and the connecting rod 10. When the linear motor 11 stretches, the pot cover 3 can be driven to turn over relative to the pot body 1 through the connecting rod 10, so as to open or close the upper port of the pot body 1. In the embodiment, the pot cover 3 is pivoted on the pot body 2, so that the pressure of the pot cover 3 buckled on the pot body 2 is borne by the pot body 2.

The upper end of the pot body 2 is provided with a material guiding nozzle 19, one end of the material guiding nozzle 19, which is connected with the pot body 2, is wider relative to the vacant end, and the upper end of the material guiding nozzle 19 is wider relative to the lower end, so that the material can be guided during material pouring.

The stirrer is used for stirring the materials in the pot body 2. Specifically, the agitator includes stirring rake 17 and agitator motor 18, stirring rake 17 is installed in the pot body 2, agitator motor 18 is installed in the bottom of the pot body 2 and is connected with stirring rake 17.

The pot body 2 is arranged on the frame 1 through a vibration excitation mechanism. Specifically, the excitation mechanism includes exciting stage 6, spring 7, vibration exciter 8, exciting stage 6 is installed in frame 1 through four springs 7, vibration exciter 8 is installed on the pot body 2, the pot body 2 pin joint is in exciting stage 6.

The turnover mechanism is used for driving the pot body 2 to turn over relative to the rack 1, and specifically, the turnover mechanism in the embodiment comprises a turnover motor 9 installed on the excitation table 6.

The mixing pot is positioned inside the smoke blocking cover, and the smoke blocking cover is provided with an air suction opening 4 and an air inlet 5.

The smoke blocking hood comprises a fixed hood body 12, a folding hood body 13, a swing frame 14 and a swing frame driving motor 15. The fixed cover body 12 and the folding cover body 13 are both arranged on the frame 1, and the folding cover body 13 is positioned above the fixed cover body 12. At least one side of the fixed hood 12 is provided with a door 16 for taking and placing a container or a mold. The cross sections of the folding cover body 13 and the swing frame 14 are both U-shaped, one end of the folding cover body 13 is connected to the rack 1, the other end of the folding cover body 13 is connected to the swing frame 14, the swing frame 14 is pivoted to the rack 1, and the swing frame driving motor 15 is used for driving the swing frame 14 to swing relative to the rack 1. By the swing of the swing frame 14, the folding cover body 13 can be folded into a fan shape having a central angle of less than 90 ° (see fig. 1), or unfolded into a semicircular shape covering the mixing pot (see fig. 4).

The heating device is used for heating materials in the pot body 2, and the heating device can be one or more of conventional heaters such as an electric heating wire, a steam heater, a far infrared ceramic heater, a heat tracing band and the like. Specifically, the heating device in the present embodiment includes a heat tracing band 20 mounted on the pot body 2.

The control console 21 is used for controlling the operation of the asphalt mixture mixing device.

Referring to fig. 1 and 2, at this time, the folding cover body 13 is folded, so that the asphalt mixture mixing device can be fed, cleaned and overhauled, and the folding cover body 13 does not interfere with operation of personnel or equipment; referring to fig. 4 and 5, during discharging, the folding cover body 13 is unfolded, the pot cover 3 is opened, and the smoke overflow during discharging can be effectively prevented.

The above description is only for the specific embodiments of the present disclosure, but the scope of the embodiments of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes, substitutions or combinations within the technical scope of the embodiments of the present disclosure or under the concept of the embodiments of the present disclosure, and all of them should be covered by the scope of the embodiments of the present disclosure.

Claims

1. An asphalt mixture mixing device is characterized in that: comprises a frame (1), a mixing pot, a vibration exciting mechanism, a turnover mechanism and a smoke blocking hood; the mixing pot comprises a pot body (2), a pot cover (3), a pot cover opening and closing mechanism and a stirrer; the pot cover (3) is pivoted to the upper end of the pot body (2), and the pot cover opening and closing mechanism is used for driving the pot cover (3) to turn over relative to the pot body (2); the stirrer is used for stirring the materials in the pot body (2); the pot body (2) is arranged on the rack (1) through a vibration excitation mechanism; the turnover mechanism is used for driving the pot body (2) to turn over relative to the rack (1); the mixing pot is positioned inside the smoke blocking cover, and the smoke blocking cover is provided with an air suction opening (4) and an air inlet (5).

2. The asphalt mixture mixing device according to claim 1, wherein the vibration exciting mechanism comprises a vibration exciting table (6), a spring (7) and a vibration exciter (8), the vibration exciting table (6) is mounted on the frame (1) through the spring (7), the vibration exciter (8) is mounted on the pot body (2), and the pot body (2) is pivoted to the vibration exciting table (6).

3. Asphalt mixing plant according to claim 2, characterized in that said turning mechanism comprises a turning motor (9) mounted on the excitation table (6).

4. The asphalt mixture mixing device according to claim 1, wherein the pot cover opening and closing mechanism comprises a connecting rod (10) and a linear motor (11), the connecting rod (10) is fixedly connected to the pot cover (3), and two ends of the linear motor (11) are respectively pivoted to the pot body (2) and the connecting rod (10).

5. The asphalt mixture mixing device according to claim 1, wherein the fume-blocking hood comprises a fixed hood body (12), a folding hood body (13), a swing frame (14) and a swing frame driving motor (15); the fixed cover body (12) and the folding cover body (13) are both installed on the frame (1), the folding cover body (13) is located above the fixed cover body (12), the cross sections of the folding cover body (13) and the swing frame (14) are both in a U shape, one end of the folding cover body (13) is connected to the frame (1), the other end of the folding cover body (13) is connected to the swing frame (14), the swing frame (14) is pivoted to the frame (1), and the swing frame driving motor (15) is used for driving the swing frame (14) to swing relative to the frame (1).

6. Asphalt mixing plant according to claim 5, characterized in that at least one side of the fixed cover (12) is provided with a door (16).

7. An asphalt mixture mixing device according to any one of claims 1 to 6, characterized in that the stirrer comprises a stirring paddle (17) and a stirring motor (18), the stirring paddle (17) is installed in the pan body (2), and the stirring motor (18) is installed at the bottom of the pan body (2) and connected with the stirring paddle (17).

8. An asphalt mixture mixing device according to any one of claims 1 to 6, wherein the upper end of the pan body (2) is provided with a material guiding nozzle (19).

9. An asphalt mixture mixing device according to any one of claims 1 to 6, further comprising a heating device for heating the material in the pan body (2).

10. Asphalt mixing plant according to claim 9, characterized in that the heating means comprise a heat tracing band (20) mounted on the pan (2).