Cold recycled asphalt mixing device

Abstract

The utility model relates to the technical field of road construction, in particular to a cold recycled asphalt mixing device which comprises a mixing tank body, anti-collision protection plates are fixedly installed at the two ends of the outer wall of the mixing tank body, and a bearing base frame is fixedly installed at the bottoms of the inner sides of the two anti-collision protection plates in a welded mode. The top end face of the bearing base frame is connected with the bottom end face of a mixing tank in an attached mode, a hoisting assembly is arranged above the top of the mixing tank, a mixing motor is fixedly installed in the center of one side of the outer wall of the mixing tank, and a feeding table is fixedly installed in the center of one end of the top of the mixing tank. A material mixing assembly is arranged in the center of the mixing tank body; the cold recycled asphalt mixing device is simple in structure and convenient to move and transport; during use, the recycled asphalt mixing agent has a good recycled asphalt mixing function, and the mixing quality of a mixture is effectively improved; the cleaning is convenient, and the condition that the asphalt material is condensed and adhered to the wall can be avoided, so that the loss rate of the mixture is effectively reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a cold recycling asphalt mixing device. Background Technique

[0002] The full-depth in-situ cold recycling technology refers to making full use of the old paving materials of the existing asphalt road, adding a certain amount of new aggregates, cement and water in proportion, and through a special in-situ cold recycling equipment, through processes such as normal-temperature milling, crushing, mixing, paving, and rolling, so as to build a new base or sub-base with the required performance quality; in the process of construction, a cold recycling asphalt mixing device is required to be used;

[0003] In the prior art, the patent publication number CN 218688414 U discloses an asphalt cold recycling material mixing device, including a mixing device cylinder body, a feed inlet is opened above the mixing device cylinder body, a base is fixedly connected below the mixing device cylinder body, a support is fixedly connected below the base, a motor is fixedly connected above the mixing device cylinder body, a reciprocating lead screw is fixedly connected to the shaft of the motor, and a limit block is fixedly connected below the reciprocating lead screw. The utility model can scrape off the raw materials adhered to the side wall and make them fall into the inner bottom side of the mixing device cylinder body. On the one hand, this avoids the waste of raw materials, and on the other hand, it also avoids the influence of raw material residues on the next mixing work;

[0004] The asphalt cold recycling material mixing device in the above patent has a huge structure and does not have a moving function. In actual production and use, when used in different sections, it needs to be frequently hoisted and transported, and it is more inconvenient to use; moreover, during the mixing process of materials, the transmission stability and scraping effect are not good, and it is easy to leave cleaning dead corners, resulting in material loss; therefore, a cold recycling asphalt mixing device is proposed for the above problems. Content of the Utility Model

[0005] The problem solved by the utility model is to provide a cold recycling asphalt mixing device, which has a simple structure, is convenient to move and transport; when in use, it can have a good function of recycling asphalt mixing, effectively improving the mixing quality of the mixture; and it is convenient to clean, and can avoid the situation of asphalt materials condensing and sticking to the wall, thereby effectively reducing the loss rate of the mixture.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A cold recycling asphalt mixing device, comprising a mixing tank body, both ends of the outer wall of the mixing tank body are fixedly installed with anti-collision guard plates, the bottoms of the inner sides of the two anti-collision guard plates are fixedly installed with a load-bearing base frame by welding, and the top end face of the load-bearing base frame is in fitting connection with the bottom end face of the mixing tank body. A hoisting assembly is arranged above the top of the mixing tank body. A mixing motor is fixedly installed in the center of one side of the outer wall of the mixing tank body. A feeding platform is fixedly installed in the center of one end of the top of the mixing tank body. A mixing component is arranged in the center of the mixing tank body;

[0008] The mixing component includes drive bearings. The two drive bearings are respectively fixedly installed in the centers of the two side end faces of the mixing tank body. A mixing shaft and a scraping shaft are respectively inserted and installed in the centers of the end faces of the two drive bearings. One end of the mixing shaft passes through the drive bearing and is connected and installed with a plurality of mixing paddles. A plurality of crushing blade bars are fixedly installed on both sides of the mixing paddles. One end of the scraping shaft passes through the drive bearing and is connected and installed with a drive end cover. One end of the mixing shaft is inserted and installed in the center of the drive end cover. An annular frame is fixedly installed on the outer side of the scraping shaft. A plurality of cleaning scraping frames are fixedly installed at one end of the annular frame. The outer sides of the cleaning scraping frames are in fitting connection with the inner wall of the mixing tank body.

[0009] Furthermore, drive covers are respectively fixedly installed on one side of the end faces of the two anti-collision guard plates. One end of the motor shaft of the mixing motor is fixedly installed with a power input shaft. A protective cylinder body is sleeved on the outer side of the power input shaft. The two ends of the power input shaft respectively pass through the two drive covers and are connected and installed with a first pulley. Second pulleys are arranged in the centers of the bottoms of the inner sides of the two drive covers. A transmission belt is connected and installed between the first pulley and the second pulley inside the same drive cover. The other ends of the mixing shaft and the scraping shaft respectively pass through the drive bearings and drive covers at corresponding positions and are fixedly connected with the second pulleys; when the mixing motor works, the power input shaft can be driven to rotate through the motor shaft, so as to perform power transmission on the first pulley, the second pulley and the transmission belt inside the drive cover, so that the mixing shaft and the scraping shaft can rotate.

[0010] Furthermore, a limiting groove is opened at one end of the inner end face of the mixing tank body where the cleaning scraping frame is located. A rolling groove is opened inside one end of the cleaning scraping frame. A limiting rotating wheel is connected and installed in the rolling groove through a rotating pin. One end of the limiting rotating wheel passes through the rolling groove and is in fitting connection with the inner wall of the limiting groove; when the cleaning scraping frame rotates, the limiting rotating wheel can be driven to rotate inside the rolling groove and the limiting groove through the rotating pin, which has a limiting effect on the cleaning scraping frame and improves the structural stability.

[0011] Further, the hoisting assembly includes a cross beam frame. The two cross beam frames are fixedly installed at the inner tops of the two anti-collision guards by welding, and a reinforcing rod is fixedly installed between the two cross beam frames by welding. The centers of the top end faces of the cross beam frame and the reinforcing rod are both fixedly installed with diagonal braces by welding. One ends of the tops of the four diagonal braces are fixedly installed with mounting suspension seats. An assembly clamping groove is formed in the center of the top end face of the mounting suspension seat. The center of the top end face of the mixing motor is fixedly installed with an assembly lifting lug by welding.

[0012] Further, hoisting hanging holes are formed in both sides of the inner wall of the assembly clamping groove and in the center of the end face of the assembly lifting lug. By providing the hoisting hanging holes, it is convenient for a hoisting device to be clamped and installed, thereby improving the convenience of installation and connection.

[0013] Further, a feeding top cover is installed at one end of the top end face of the feeding table through a hinge, and the inside of the feeding table is communicated with the inside of the mixing tank body. After the feeding top cover is opened, it is convenient to put the mixing material into the inside of the feeding table, so that the mixing material falls into the inside of the mixing tank body for mixing treatment. The mixing material is composed of cement, slaked lime, 5-10 mm crushed stones, 10-20 mm crushed stones and asphalt cold recycling material. Among them, the mixing ratio of cement: slaked lime: crushed stone: crushed stone: asphalt cold recycling material is 3.5:4:5:6:40.

[0014] Further, a protective groove is formed in the center of one side of the outer wall of the mixing tank body, and a protective tank cover is connected and installed on the outside of the protective groove through a hinge. The protective tank cover is fixedly connected to the outer wall of the mixing tank body by bolts. A discharge groove is formed in the center of one end of the bottom of the mixing tank body, and a discharge bottom plate is connected and installed on the outside of the discharge groove through a hinge. The discharge bottom plate is fixedly connected to the outer wall of the mixing tank body by bolts. It is convenient to lift and open and close the protective tank cover and the discharge bottom plate. The installation and fixation are convenient, which improves the convenience of use and is convenient to meet the use requirements.

[0015] Further, universal self-locking wheels are fixedly installed around the bottom end face of the load-bearing base frame by bolts, and the universal self-locking wheels are of a universal self-locking wheel structure. It is convenient to move to a suitable use position through the universal self-locking wheels and then self-lock and fix, thereby improving the convenience of moving and using.

[0016] The beneficial effects of the present utility model are as follows: The cold recycling asphalt mixing device has a simple structure. By setting moving rollers, the overall structure is convenient to move, and by setting a hoisting component, the mixing tank can be easily hoisted for use, with convenient transportation. During use, it can provide good protection and support for the structure of the mixing tank body, and by setting a mixing component, it can have a good function of recycling asphalt mixing, effectively improving the mixing quality of the mixture. Moreover, it can have a stable function of cleaning and scraping the tank wall, which is convenient for cleaning, avoiding the situation of asphalt mixture coagulating and sticking to the wall, thereby effectively reducing the mixture loss rate. Description of the Drawings

[0017] Figure 1 It is the first overall structural schematic diagram of the present utility model;

[0018] Figure 2 It is the second overall structural schematic diagram of the present utility model;

[0019] Figure 3 It is the overall front view of the present utility model;

[0020] Figure 4 It is the overall bottom view of the present utility model;

[0021] Figure 5 It is the overall top view of the present utility model;

[0022] Figure 6 is Figure 5 the sectional schematic view of A - A in

[0023] Figure 7 is Figure 6 the partial enlarged view of A in

[0024] Figure 8 is Figure 5 the sectional schematic view of B - B in

[0025] Figure 9 is Figure 5 the sectional schematic view of C - C in

[0026] Legend Explanation:

[0027] 1. Mixing tank body; 2. Anti-collision guard plate; 3. Hoisting assembly; 4. Mixing motor; 5. Feeding platform; 6. Mixing component; 7. Protective tank cover; 8. Discharge bottom plate; 9. Load-bearing base frame; 10. Moving roller; 31. Cross beam frame; 32. Reinforcing rod; 33. Diagonal brace; 34. Installation hanging seat; 35. Assembly card slot; 36. Assembly lifting lug; 61. Transmission cover body; 62. Power input shaft; 63. First pulley; 64. Second pulley; 65. Transmission belt; 66. Stirring shaft; 67. Scraping shaft; 68. Transmission end cover; 69. Ring-shaped frame; 610. Cleaning scraping frame; 611. Limit groove; 612. Mixing paddle; 613. Crushing knife bar; 614. Transmission bearing; 615. Rolling groove; 616. Limit runner. Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0029] The following gives specific embodiments.

[0030] See Figures 1 to 9 , a cold recycling asphalt mixing device, including a mixing tank body 1, anti-collision guard plates 2 are fixedly installed at both ends of the outer wall of the mixing tank body 1. By setting the anti-collision guard plates 2, the two ends of the mixing tank body 1 can be covered and protected, effectively reducing the damage caused by collision to the mixing tank body 1; at the inner bottom of the two anti-collision guard plates 2, a load-bearing base frame 9 is fixedly installed by welding, and the top end face of the load-bearing base frame 9 is in fit connection with the bottom end face of the mixing tank body 1. Through the load-bearing base frame 9, the bottom of the mixing tank body 1 can be supported, thereby improving the structural stability of the mixing tank body 1; above the top of the mixing tank body 1, a hoisting assembly 3 is provided. Through the hoisting assembly 3, it is convenient to hoist and transport the mixing tank body 1, thereby improving the convenience of transportation and loading; on the central part of one side of the outer wall of the mixing tank body 1, a mixing motor 4 is fixedly installed, at the central part of one end of the top of the mixing tank body 1, a feeding platform 5 is fixedly installed, and a mixing component 6 is arranged in the center of the mixing tank body 1. After feeding materials into the mixing tank body 1 through the feeding platform 5, the mixing motor 4 and the mixing component 6 can stir and mix the mixture. During the mixing process, the situation of the mixture sticking to the wall can be effectively avoided, and the mixture can be stirred and crushed, effectively improving the granularity of the mixture and making the mixing more uniform;

[0031] The mixing assembly 6 includes a transmission bearing 614, two of the transmission bearings 614 are respectively fixedly installed at the center of the end surfaces of both sides of the mixing tank body 1, and the center of the end surfaces of the two transmission bearings 614 are respectively plugged and installed with a mixing shaft 66 and a scraping shaft 67, one end of the mixing shaft 66 passes through the transmission bearing 614 and is connected and installed with a plurality of mixing paddles 612, and a plurality of crushing blades 613 are fixedly installed on both sides of the mixing paddle 612, one end of the scraping shaft 67 passes through the transmission bearing 614 and is connected and installed with a transmission end cover 68, and one end of the mixing shaft 66 is plugged and installed in the center of the transmission end cover 68, an annular frame 69 is fixedly installed on the outer side of the scraping shaft 67, and one end of the annular frame 69 is fixedly installed with a plurality of cleaning scraping frames 61 0, and the outer side of the cleaning scraper 610 is in contact with the inner wall of the mixing tank body 1; a transmission cover 61 is fixedly installed on one side of the end surface of the two anti-collision guard plates 2, and a power input shaft 62 is fixedly installed on one end of the motor shaft of the mixing motor 4, and a protective cylinder is sleeved on the outer side of the power input shaft 62, and the two ends of the power input shaft 62 pass through the two transmission covers 61 and are connected to the first pulley 63, and the second pulley 64 is arranged in the center of the inner bottom of the two transmission covers 61, and a transmission belt 65 is connected and installed between the first pulley 63 and the second pulley 64 inside the same transmission cover 61, and the other ends of the mixing shaft 66 and the scraping shaft 67 pass through the transmission bearings 61 at the corresponding positions respectively. 4. The transmission cover 61 is fixedly connected to the second pulley 64; a limit groove 611 is provided at one end of the cleaning scraper 610 on the inner end surface of the mixing tank body 1, and a rolling groove 615 is provided inside one end of the cleaning scraper 610, and a limit rotating wheel 616 is installed inside the rolling groove 615 through a rotating pin, and one end of the limit rotating wheel 616 passes through the rolling groove 615 and is closely connected to the inner wall of the limit groove 611; when the mixing motor 4 is working, the power input shaft 62 can be driven to rotate inside the protective cylinder through the motor shaft, and inside the two transmission covers 61, the two ends of the power input shaft 62 drive the two first pulleys 63 to rotate, and the transmission belt 65 drives the second pulley 64 to rotate, and as the two second pulleys 63 rotate, the two second pulleys 63 rotate. The pulley 64 rotates, which can respectively drive the mixing shaft 66 and the scraping shaft 67 connected to the second pulley 64 to rotate at the center of the end surface of the transmission bearing 614. Inside the mixing tank body 1, the mixing shaft 66 is connected to the scraping shaft 67 through the transmission end cover 68. When the mixing shaft 66 rotates, it can drive multiple mixing paddles 612 to stir and stir the mixture, and can cut and crush the contacted mixture through the crushing blade 613, effectively improving the particle size of the mixture. At the same time, when the scraping shaft 67 rotates, it can drive the annular frame 69 and the cleaning scraper 610 to rotate. The cleaning scraper 610 can scrape and clean the inner wall of the mixing tank body 1, thereby effectively preventing asphalt blocks from adhering to the inner wall of the mixing tank body 1 and causing the mixture to coagulate.At the other end of the cleaning squeegee 610, as the cleaning squeegee 610 rotates, it can drive the limit runner 616 to rotate inside the rolling groove 615 and the limit groove 611 through the rotating pin, thereby having a limiting effect on the cleaning squeegee 610 and improving the rotation stability of the cleaning squeegee 610.

[0032] The hoisting assembly 3 includes a cross beam frame 31. The two cross beam frames 31 are fixedly installed at the inner top of the two anti-collision guard plates 2 by welding. A reinforcing rod 32 is fixedly installed between the two cross beam frames 31 by welding. The central top end faces of the cross beam frame 31 and the reinforcing rod 32 are both fixedly installed with inclined struts 33 by welding. One end of the top of the four inclined struts 33 is fixedly installed with an installation hanging seat 34. A fitting slot 35 is opened at the central top end face of the installation hanging seat 34. The central top end face of the mixing motor 4 is fixedly installed with a fitting hanging ear 36 by welding. Hoisting holes are opened on both sides of the inner wall of the fitting slot 35 and at the central end face of the fitting hanging ear 36. By providing the hoisting holes, it is convenient for the hoisting equipment to be clamped and installed, thereby improving the convenience of installation and connection. By providing the cross beam frame 31 and the reinforcing rod 32, the anti-collision guard plate 2 can have a good structural connection effect. After connecting the hoisting equipment to the fitting slot 35 and the fitting hanging ear 36 respectively, when the hoisting equipment works, it can hoist and transport the device through the installation hanging seat 34, the inclined struts 33 and the mixing motor 4.

[0033] One end of the top end face of the feeding table 5 is installed with a feeding top cover through a hinge, and the inside of the feeding table 5 is communicated with the inside of the mixing tank body 1. After opening the feeding top cover, it is convenient to put the mixed material into the inside of the feeding table 5, so that the mixed material falls into the inside of the mixing tank body 1 for mixing treatment. The mixed material is composed of cement, slaked lime, 5-10mm gravel, 10-20mm gravel and asphalt cold recycled material. Among them, the mixing ratio of cement: slaked lime: gravel: gravel: asphalt cold recycled material is 3.5:4:5:6:40.

[0034] A protective groove is formed in the center of one side of the outer wall of the mixing tank body 1, and a protective tank cover 7 is installed on the outside of the protective groove through a hinge connection. The protective tank cover 7 is fixedly connected to the outer wall of the mixing tank body 1 by bolts. A discharge groove is formed in the center of one end of the bottom of the mixing tank body 1, and a discharge bottom plate 8 is installed on the outside of the discharge groove through a hinge connection. The discharge bottom plate 8 is fixedly connected to the outer wall of the mixing tank body 1 by bolts; it is convenient to lift and open the protective tank cover 7 and the discharge bottom plate 8. When internal maintenance of the mixing tank body 1 is required, the bolts on the outside of the protective tank cover 7 can be removed, so that the protective tank cover 7 can be easily lifted to facilitate observing the internal situation of the installation of the mixing tank body 1; when discharging is required, the bolts on the outside of the discharge bottom plate 8 can be removed. When the mixing shaft 66 rotates, it can drive a plurality of mixing paddles 612 to stir and convey the mixed material until the mixed material is discharged from the discharge groove out of the inside of the mixing tank body 1; effectively improving the convenience of use.

[0035] Moving rollers 10 are fixedly installed on the periphery of the bottom end face of the load-bearing base frame 9 through bolts, and the moving rollers 10 are of a universal self-locking wheel structure; it is convenient to move to a suitable use position through the moving rollers 10 and then self-lock and fix, thereby improving the convenience of moving and using.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A cold recycled asphalt mixing device, characterized in that: include: A mixing tank body (1), wherein both ends of the outer wall of the mixing tank body (1) are fixedly mounted with anti-collision guard plates (2), and a load-bearing base frame (9) is fixedly mounted on the inner bottom of the two anti-collision guard plates (2) by welding, and the top end surface of the load-bearing base frame (9) is fitted and connected with the bottom end surface of the mixing tank body (1); A hoisting assembly (3), wherein a hoisting assembly (3) is arranged above the top of the mixing tank body (1), a mixing motor (4) is fixedly installed at the center of one side of the outer wall of the mixing tank body (1), a feeding platform (5) is fixedly installed at the center of one end of the top of the mixing tank body (1), and a mixing assembly (6) is arranged at the center of the mixing tank body (1); A material mixing assembly (6), the material mixing assembly (6) comprising a transmission bearing (614), two of the transmission bearings (614) being fixedly mounted at the center of the end surfaces on both sides of the mixing tank body (1), and a material mixing shaft (66) and a material scraping shaft (67) being respectively inserted and mounted at the center of the end surfaces of the two transmission bearings (614); A mixing paddle (612), one end of the mixing shaft (66) passes through a transmission bearing (614) and is connected to and installed with a plurality of mixing paddles (612), and a plurality of crushing blades (613) are fixedly installed on both sides of the mixing paddle (612), one end of the scraper shaft (67) passes through a transmission bearing (614) and is connected to and installed with a transmission end cover (68), and one end of the mixing shaft (66) is plugged and installed in the center of the transmission end cover (68), an annular frame (69) is fixedly installed on the outer side of the scraper shaft (67), and one end of the annular frame (69) is fixedly installed with a plurality of cleaning scraper frames (610), and the outer side of the cleaning scraper frame (610) is in contact with the inner wall of the mixing tank body (1).

2. A cold recycled asphalt mixing device according to claim 1, characterized in that: A transmission cover (61) is fixedly installed on one side of the end surface of the two anti-collision guard plates (2), a power input shaft (62) is fixedly installed on one end of the motor shaft of the mixing motor (4), and a protective cylinder is sleeved and installed on the outer side of the power input shaft (62), the two ends of the power input shaft (62) pass through the two transmission covers (61) respectively and are connected and installed with a first pulley (63), the two transmission covers (61) are both provided with a second pulley (64) at the center of the inner bottom, and a transmission belt (65) is connected and installed between the first pulley (63) and the second pulley (64) inside the same transmission cover (61), and the other ends of the mixing shaft (66) and the scraping shaft (67) pass through the transmission bearing (614) at the corresponding position, the transmission cover (61) and the second pulley (64) are fixedly connected.

3. A cold regenerated asphalt mixing device according to claim 2, characterized in that: A limiting groove (611) is provided on the inner end surface of the mixing tank body (1) at one end of the cleaning scraper (610), and a rolling groove (615) is provided inside one end of the cleaning scraper (610). A limiting rotating wheel (616) is installed inside the rolling groove (615) via a rotating pin, and one end of the limiting rotating wheel (616) passes through the rolling groove (615) and is closely connected to the inner wall of the limiting groove (611).

4. A cold regenerated asphalt mixing device according to claim 3, characterized in that: The hoisting assembly (3) comprises a crossbeam frame (31), two of the crossbeam frames (31) are fixedly mounted on the inner top of two anti-collision guard plates (2) by welding, and a reinforcing rod (32) is fixedly mounted between the two crossbeam frames (31) by welding, a diagonal brace (33) is fixedly mounted on the center of the top end surface of the crossbeam frame (31) and the reinforcing rod (32) by welding, and a mounting bracket (34) is fixedly mounted on one end of the top of the four diagonal brace rods (33), an assembly slot (35) is provided in the center of the top end surface of the mounting bracket (34), and an assembly lug (36) is fixedly mounted on the center of the top end surface of the hybrid motor (4) by welding.

5. A cold regenerated asphalt mixing device according to claim 4, characterized in that: Both sides of the inner wall of the assembly slot (35) and the center of the end surface of the assembly ear (36) are provided with hanging holes.

6. A cold regenerated asphalt mixing device according to claim 5, characterized in that: A feeding cover is installed at one end of the top end surface of the feeding platform (5) via a hinge, and the inner side of the feeding platform (5) is connected to the interior of the mixing tank body (1).

7. A cold regenerated asphalt mixing device according to claim 6, characterized in that: A protective groove is provided at the center of one side of the outer wall of the mixing tank body (1), and a protective tank cover (7) is installed on the outer side of the protective groove via a hinge connection, and the protective tank cover (7) is fixedly connected to the outer wall of the mixing tank body (1) via bolts. A discharge groove is provided at the center of one end of the bottom of the mixing tank body (1), and a discharge bottom plate (8) is installed on the outer side of the discharge groove via a hinge connection, and the discharge bottom plate (8) is fixedly connected to the outer wall of the mixing tank body (1) via bolts.

8. A cold regenerated asphalt mixing device according to claim 7, characterized in that: The bottom end surface of the load-bearing base frame (9) is fixedly mounted with movable rollers (10) by bolts on all sides, and the movable rollers (10) are of a universal self-locking wheel structure.

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