Preparation device for emulsified asphalt cold-mixed recycled mixture

Abstract

The utility model relates to the technical field of road engineering, and discloses a preparation device for an emulsified asphalt cold-mixed recycled mixture, the preparation device comprises a mixing box, the bottom end of the mixing box is fixedly communicated with a discharge pipe, and two symmetrically arranged unloading plates are hinged to the inner wall of the bottom end of the mixing box. According to the preparation device for the emulsified asphalt cold-mixed recycled mixture, the auger blade is arranged on the discharging shaft, and the emulsified asphalt cold-mixed recycled mixture which is high in viscosity and contains particles is smoothly pushed under the driving of the motor, so that the problem of incomplete discharging is effectively solved, and the production efficiency is improved. The risk that the discharging port is blocked is greatly reduced, the production continuity and stability are ensured, the bidirectional threaded rod and the stirring frame in the device are combined, so that the stirring blades can be close to or far away from each other in the rotating process, the materials are stirred more uniformly, the uniformity of the mixed materials is improved, and the production efficiency is improved. And sufficient combination between the emulsified asphalt and the crushed material is also ensured.

Description

Technical Field

[0001] The present application relates to the technical field of road engineering, and in particular to a device for preparing emulsified asphalt cold recycled mixture. Background Art

[0002] Emulsified asphalt cold recycling mix is ​​a mixture of recycled asphalt pavement material (RAP) from old pavement, mixed with emulsified asphalt, then recycled through a regeneration unit. New materials (such as gravel and cement) may be added, and finally mixed in a specific proportion to create the finished pavement material. Cold recycling involves treating the old pavement's recycled asphalt at room temperature to create the reclaimed material.

[0003] The existing patent (publication number: CN206692996U) discloses an emulsified asphalt cold recycled mixture stirring device, including a stirring drum, a transmission device, a transmission shaft and a stirring member. A feed port and a chimney are provided on the outer peripheral wall of the upper end of the stirring drum, and an air purification device is provided on the chimney; a heating device is covered on the outer peripheral wall of the middle and lower part of the stirring drum, and a transmission device is provided above the center position of the stirring drum. The output end of the transmission device is connected to the transmission shaft, and several groups of stirring members are provided on the transmission shaft. The stirring members include stirring blades, and the installation directions of the stirring blades in two adjacent groups of the stirring members are opposite; a discharge port is provided at the bottom of the stirring drum, and several groups of baffles are provided on the inner wall of the stirring drum; in general, the utility model has the advantages of high stirring efficiency and effective purification of gas emissions.

[0004] Emulsified asphalt cold recycled mixture is a pavement material made by mixing crushed material from old pavement with emulsified asphalt, then passing it through a regeneration device for regeneration. New materials such as gravel and cement may be added and finally mixed in a certain proportion. However, the new material mixed with crushed material and emulsified asphalt is not only highly viscous but also contains particulate matter. During the discharge process, the above-mentioned device does not discharge completely and is prone to clogging the discharge port. Utility Model Content

[0005] In response to the deficiencies in the prior art, the present application provides a device for preparing emulsified asphalt mixed with cold recycled mixture, which has the advantages of easy discharge and uniform mixing, and solves the problems raised in the background technology.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solution: a device for preparing emulsified asphalt mixed with cold recycled mixture, comprising a mixing box, wherein the bottom end of the mixing box is fixedly connected to a discharge pipe, and the inner wall of the bottom end of the mixing box is hinged to two symmetrically arranged discharge plates, and two hydraulic rods are provided below the two discharge plates, and the two hydraulic rods are respectively hinged to the left and right inner side walls of the mixing box, and the output ends of the two hydraulic rods are respectively hinged to the discharge plates adjacent thereto;

[0007] Two stirring racks are provided at the top of the mixing box, and the bottoms of the two stirring racks are rotatably connected to stirring shafts, and the outer surfaces of the two stirring shafts are fixedly connected to a group of stirring blades;

[0008] A discharge shaft is rotatably connected between the front and rear inner side walls of the discharge pipe, and two symmetrically arranged auger blades are fixedly connected to the outer surface of the discharge shaft.

[0009] Through the above scheme, by setting the auger blades on the discharge shaft and using the drive of the motor, the high-viscosity and particulate-containing emulsified asphalt cold recycled mixture is smoothly pushed, which not only effectively solves the problem of incomplete discharge, but also greatly reduces the risk of blockage at the discharge port, ensuring the continuity and stability of production. The two-way threaded rod and the stirring frame in the device are combined so that the stirring blades can approach or move away from each other during the rotation process, thereby achieving more uniform stirring of the material, which not only improves the uniformity of the mixture, but also ensures the full combination of the emulsified asphalt and the crushed material. The vibrator installed on the mixing box can effectively prevent the material from adhering to the inner wall during the mixing and discharging process, further improving the thoroughness of the discharge and the cleanliness of the equipment. The heater installed at the bottom of the discharge pipe can effectively prevent the material from solidifying due to the temperature drop during the discharging process, ensuring the smooth flow and stable discharge of the material.

[0010] Furthermore, support frames are fixedly connected to the left and right sides of the mixing box.

[0011] Through the above solution and the provision of the support frame, the overall stability can be improved.

[0012] Furthermore, the left and right sides of the mixing box are fixedly connected to driving frames, the front and rear inner walls of the two driving frames are rotatably connected with bidirectional threaded rods, and the two stirring frames are threadedly connected to the two bidirectional threaded rods.

[0013] Through the above scheme and the above arrangement, the two groups of stirring blades can be moved closer to or farther away from each other during the rotation process, thereby improving stirring uniformity.

[0014] Furthermore, discharge ports are provided at the bottoms of both ends of the discharge pipe.

[0015] Through the above solution and the setting of the discharge port, it is possible to facilitate material discharge.

[0016] Furthermore, vibrators are fixedly connected to the left and right sides of the mixing box.

[0017] Through the above solution and the provision of the vibrator, the purpose of vibrating the mixing box can be achieved, effectively preventing the material from adhering to the inner wall.

[0018] Furthermore, a heater is installed at the bottom of the discharge pipe.

[0019] Through the above scheme, through the setting of the heater, the material in the discharge pipe can be effectively prevented from solidifying.

[0020] Further, the rear end of the discharge pipe is provided with a motor, and the output end of the motor is fixedly connected with one end of the discharge shaft.

[0021] Through the above scheme, through the setting of the motor, power can be provided for the rotation of the discharge pipe.

[0022] Further, the top end of each of the two stirring frames is provided with a first motor, the output end of each of the two first motors is fixedly connected with the stirring shaft close thereto, the front end of each of the two driving frames is provided with a second motor, and the output end of each of the two second motors is fixedly connected with one end of the bidirectional threaded rod close thereto.

[0023] Through the above scheme, through the setting of the first motor and the second motor, power can be provided for the rotation of the stirring shaft and the bidirectional threaded rod, respectively.

[0024] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0025] The preparation device for emulsified asphalt cold recycled mixture is provided with the auger blade on the discharge shaft, and the emulsified asphalt cold recycled mixture with high viscosity and containing particles is smoothly pushed by the driving of the motor. The device not only effectively solves the problem of incomplete discharge, but also greatly reduces the risk of blockage of the discharge port, ensures the continuity and stability of production, and combines the bidirectional threaded rod and the stirring frame in the device. The stirring blades can approach or move away from each other in the rotating process, so that more uniform stirring of the material is realized. The uniformity of the mixture is improved, and the sufficient combination between the emulsified asphalt and the crushed material is ensured. The vibrator installed on the mixing box can effectively prevent the material from adhering to the inner wall during stirring and discharging, further improve the completeness of discharging and the cleanliness of the equipment, and the heater installed at the bottom of the discharge pipe can effectively prevent the material from solidifying due to temperature reduction during discharging, so as to ensure the smooth flow and stable discharge of the material. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a perspective view of the overall structure of the present application Figure 1

[0027] Figure 2 It is a perspective view of the overall structure of the present application Figure 2

[0028] Figure 3 It is a sectional view of the front view of the overall structure of the present application

[0029] Figure 4 ​​This is a sectional view of the side view of the overall structure of this application.

[0030] In the picture:

[0031] 1. Mixing box; 2. Discharge pipe; 3. Discharge plate; 4. Hydraulic rod; 5. Stirring frame; 6. Stirring shaft; 7. Stirring blade; 8. Discharge shaft; 9. Auger blade; 10. Support frame; 11. Drive frame; 12. Bidirectional threaded rod; 13. Discharge port; 14. Vibrator; 15. Heater; 16. Motor; 17. First motor; 18. Second motor. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are only part of the embodiments of this application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this application.

[0033] See also Figure 1 、 Figure 2 and Figure 3 In this embodiment, a preparation device for emulsified asphalt mixed with cold recycled mixture includes a mixing box 1, the bottom end of the mixing box 1 is fixedly connected to a discharge pipe 2, and the inner wall of the bottom end of the mixing box 1 is hinged with two symmetrically arranged discharge plates 3. Two hydraulic rods 4 are provided below the two discharge plates 3, and the two hydraulic rods 4 are respectively hinged to the left and right inner walls of the mixing box 1. The output ends of the two hydraulic rods 4 are respectively hinged to the discharge plates 3 close to them. Through the arrangement of the hydraulic rods 4 and the discharge plates 3, the purpose of releasing materials can be achieved.

[0034] See also Figure 1 、 Figure 2 and Figure 3 The left and right sides of the mixing box 1 are fixedly connected with a support frame 10. Through the setting of the support frame 10, the overall stability can be improved. Two stirring frames 5 are provided at the top of the mixing box 1. The bottoms of the two stirring frames 5 are rotatably connected to the stirring shafts 6. The outer surfaces of the two stirring shafts 6 are fixedly connected with a group of stirring blades 7. Through the above setting, the purpose of stirring and mixing the materials can be achieved. The left and right sides of the mixing box 1 are fixedly connected with a driving frame 11. A two-way threaded rod 12 is rotatably connected between the front and rear inner walls of the two driving frames 11. The two stirring frames 5 are threadedly connected to the two two-way threaded rods 12. Through the above setting, the two groups of stirring blades 7 can be moved closer to or away from each other during the rotation, thereby improving the uniformity of stirring.

[0035] See also Figure 1 、 Figure 2 and Figure 4A discharge shaft 8 is rotatably connected between the front and rear inner walls of the discharge pipe 2, and two symmetrically arranged auger blades 9 are fixedly connected to the outer surface of the discharge shaft 8. Through the above arrangement, the purpose of pushing out the material can be achieved. Discharge ports 13 are provided at the bottom of both ends of the discharge pipe 2. The setting of the discharge ports 13 can facilitate material dropping.

[0036] See also Figure 1 、 Figure 2 and Figure 4 A heater 15 is installed at the bottom of the discharge pipe 2. Through the setting of the heater 15, the material can be effectively prevented from solidifying in the discharge pipe 2. The left and right sides of the mixing box 1 are fixedly connected with a vibrator 14. Through the setting of the vibrator 14, the purpose of vibration of the mixing box 1 can be achieved, and the material can be effectively prevented from adhering to the inner wall. A motor 16 is installed at the rear end of the discharge pipe 2. The output end of the motor 16 is fixedly connected to one end of the discharge shaft 8. Through the setting of the motor 16, power can be provided for the rotation of the discharge pipe 2. A first motor 17 is installed at the top of the two stirring frames 5. The output ends of the two first motors 17 are respectively fixedly connected to the stirring shaft 6 close to them. A second motor 18 is installed at the front end of the two driving frames 11. The output ends of the two second motors 18 are fixedly connected to one end of the bidirectional threaded rod 12 close to them. Through the setting of the first motor 17 and the second motor 18, power can be provided for the rotation of the stirring shaft 6 and the bidirectional threaded rod 12 respectively.

[0037] In this embodiment, a preparation device for emulsified asphalt mixed with cold recycled mixture is provided. By arranging an auger blade 9 on the discharge shaft 8 and using the drive of the motor 16, the high-viscosity and particulate-containing emulsified asphalt cold recycled mixture is smoothly pushed. It not only effectively solves the problem of incomplete discharge, but also greatly reduces the risk of blockage of the discharge port 13, ensuring the continuity and stability of production. The bidirectional threaded rod 12 and the stirring frame 5 in the device are combined so that the stirring blades 7 can approach or move away from each other during the rotation process, thereby achieving more uniform stirring of the material, which not only improves the uniformity of the mixture, but also ensures the full combination of the emulsified asphalt and the crushed material. The vibrator 14 installed on the mixing box 1 can effectively prevent the material from adhering to the inner wall during the stirring and discharging process, further improving the thoroughness of the discharge and the cleanliness of the equipment. The heater 15 installed at the bottom of the discharge pipe 2 can effectively prevent the material from solidifying due to the temperature drop during the discharging process, ensuring the smooth flow and stable discharge of the material.

[0038] The working principle of the above embodiment is as follows: first, the emulsified asphalt and cold recycled crushed materials to be mixed are added to the mixing box 1 in proportion. After the materials are added, the two first motors 17 are started, which respectively drive the two stirring shafts 6 and the stirring blades 7 thereon to start rotating. At the same time, the two second motors 18 are started to drive the bidirectional threaded rod 12 to rotate. Since the stirring frame 5 is threadedly connected to the bidirectional threaded rod 12, as the threaded rod rotates, the stirring frame 5 will drive the stirring blades 7 to move toward or away from each other in the mixing box 1, thereby achieving uniform stirring of the materials. During the stirring process, the vibrator 14 on the mixing box 1 will Start, generate slight vibration, this vibration can effectively prevent the material from adhering to the inner wall during the mixing process, and also helps to evenly distribute the material. When the material is evenly mixed, start the hydraulic rod 4, the hydraulic rod 4 pulls the discharge plate 3 to flip downward, so that the material in the mixing box 1 falls into the discharge pipe 2, start the motor 16, the motor 16 drives the discharge shaft 8 and the auger blade 9 thereon to start rotating, the spiral structure of the auger blade 9 can generate thrust, and the mixed material is smoothly pushed out of the discharge pipe 2. The heater 15 at the bottom of the discharge pipe 2 will maintain a certain temperature to prevent the material from solidifying due to temperature drop during the discharge process.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0040] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for preparing emulsified asphalt cold recycled mixture, comprising a mixing box (1), characterized in that: The bottom end of the mixing box (1) is fixedly connected to a discharge pipe (2), and the inner wall of the bottom end of the mixing box (1) is hinged with two symmetrically arranged discharge plates (3), and two hydraulic rods (4) are provided below the two discharge plates (3). The two hydraulic rods (4) are respectively hinged to the left and right inner side walls of the mixing box (1), and the output ends of the two hydraulic rods (4) are respectively hinged to the discharge plates (3) adjacent thereto. Two stirring racks (5) are provided at the top of the mixing box (1), the bottoms of the two stirring racks (5) are rotatably connected to stirring shafts (6), and the outer surfaces of the two stirring shafts (6) are fixedly connected to a group of stirring blades (7); A discharge shaft (8) is rotatably connected between the front and rear inner side walls of the discharge pipe (2), and two symmetrically arranged auger blades (9) are fixedly connected to the outer surface of the discharge shaft (8).

2. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: The left and right side surfaces of the mixing box (1) are both fixedly connected to support frames (10).

3. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: The left and right sides of the mixing box (1) are fixedly connected to a driving frame (11), and a bidirectional threaded rod (12) is rotatably connected between the front and rear inner side walls of the two driving frames (11), and the two stirring frames (5) are threadedly connected to the two bidirectional threaded rods (12).

4. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: Discharge ports (13) are provided at the bottoms of both ends of the discharge pipe (2).

5. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: Vibrators (14) are fixedly connected to both the left and right side surfaces of the mixing box (1).

6. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: A heater (15) is installed at the bottom of the discharge pipe (2).

7. The device for preparing emulsified asphalt cold recycled mixture according to claim 1, characterized in that: A motor (16) is installed at the rear end of the discharge pipe (2), and the output end of the motor (16) is fixedly connected to one end of the discharge shaft (8).

8. The device for preparing emulsified asphalt cold recycled mixture according to claim 3, characterized in that: A first motor (17) is installed at the top of each of the two stirring frames (5), and the output ends of the two first motors (17) are fixedly connected to the stirring shafts (6) adjacent thereto. A second motor (18) is installed at the front end of each of the two driving frames (11), and the output ends of the two second motors (18) are fixedly connected to one end of the bidirectional threaded rod (12) adjacent thereto.

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