Stirring equipment for asphalt mixing

Abstract

The utility model discloses stirring equipment for asphalt mixing, which belongs to the technical field of stirring equipment and comprises a base, two supports are fixedly connected to the top of the base, a stirring drum is rotatably connected between the two supports, a first driving component is arranged on one support, and the first driving component is in transmission connection with the stirring drum; a second driving assembly is arranged on the support far away from the first driving assembly, the output end of the second driving assembly is fixedly connected with a stirring rod, the stirring rod extends into the stirring barrel and is rotationally connected with the stirring barrel, and the rotating direction of the stirring rod is opposite to that of the stirring barrel; a plurality of fixing frames located in the stirring barrel are fixedly connected to the side wall of the stirring rod in the circumferential direction, a plurality of inclined rods are fixedly connected between the fixing frames and the stirring rod, and the inclined directions of the inclined rods on every two adjacent fixing frames are opposite. According to the utility model, the asphalt mixture can be stirred in multiple directions, so that the stirring and mixing effect of the asphalt mixture is improved, the phenomena of material agglomeration and segregation are reduced, and the quality of the asphalt mixture is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring equipment, in particular to a stirring equipment used for asphalt mixing. Background Art

[0002] Asphalt is a dark brown complex mixture of hydrocarbons of different molecular weights and their non-metallic derivatives, and is a type of high-viscosity organic liquid. Hot-mix asphalt, formed by mixing asphalt with mineral aggregates in a hot state, has the characteristics of good repair quality and high durability, and is widely used in road paving and road repair projects.

[0003] Asphalt mixture is usually produced at a mixing plant using a large mixer and then transported in batches to the maintenance site. This method is usually suitable for large-scale road paving. If a small area of ​​road repair work is to be carried out, a small mixer is required to mix the mixture on site. However, general mixers have poor mixing effects on asphalt and mineral aggregates, which can easily cause material agglomeration and segregation of the mixture, reducing the quality of the asphalt mixture.

[0004] To this end, a mixing device for asphalt mixing is proposed. Utility Model Content

[0005] The utility model aims to provide a stirring device for asphalt mixing, aiming to solve or improve at least one of the above-mentioned technical problems.

[0006] To achieve the above object, the utility model provides the following solution: The utility model provides a mixing device for asphalt mixing, comprising a base, two brackets are fixedly connected to the top of the base, a mixing drum is rotatably connected between the two brackets, a first driving assembly is arranged on one of the brackets, and the first driving assembly is drivingly connected to the mixing drum;

[0007] A second driving assembly is arranged on the bracket away from the first driving assembly, a stirring rod is fixedly connected to the output end of the second driving assembly, the stirring rod extends into the stirring drum and is rotatably connected to the stirring drum, and the rotation direction of the stirring rod is opposite to that of the stirring drum;

[0008] A plurality of fixed frames located in the mixing drum are fixedly connected to the side wall of the mixing rod in the circumferential direction, a plurality of inclined rods are fixedly connected between the fixed frame and the mixing rod, and the inclined directions of the inclined rods on two adjacent fixed frames are opposite.

[0009] Preferably, a material opening is provided on the side wall of the mixing drum, a connecting frame is fixedly connected to the material opening, a connecting cover is slidably sleeved outside the connecting frame, a material plug is fixedly connected to a side of the connecting cover close to the material opening, the material plug is slidably connected to the inner wall of the connecting frame, and a positioning assembly detachably connected to the connecting cover is provided on the mixing drum.

[0010] Preferably, the positioning assembly includes two fixing plates fixedly connected to the outer wall of the mixing drum, the two fixing plates are respectively located on both sides of the connecting frame, a plurality of first cylinders are fixedly connected to a side of the fixing plate close to the connecting frame, a positioning plate is fixedly connected to an output end of the first cylinder, a plurality of positioning columns are fixedly connected to a side of the positioning plate away from the first cylinder, a plurality of positioning holes are respectively opened on the two opposite side walls of the connecting cover, and the plurality of positioning holes are arranged one-to-one with the plurality of positioning columns and are slidably connected.

[0011] Preferably, two rotating shafts are fixedly connected at both ends of the mixing drum, and the two rotating shafts are rotatably connected to the two brackets respectively. The first driving assembly includes a first motor fixedly connected to one of the brackets, and the output shaft of the first motor is fixedly connected to the rotating shaft.

[0012] Preferably, a connecting plate is fixedly connected to the bracket away from the first motor, the second driving assembly includes a second motor fixedly connected to the connecting plate, the stirring rod is fixedly connected to the output shaft of the second motor, and the stirring rod passes through the rotating shaft and is rotatably connected to the rotating shaft.

[0013] Preferably, lifting components are respectively provided at the four corners of the base, the lifting ends of the lifting components are fixedly connected with connecting shafts, the bottom of the connecting shaft is rotatably connected with walking wheels, through holes are respectively opened at the four corners of the base, and the walking wheels are located in the through holes.

[0014] Preferably, the lifting assembly includes a second cylinder fixedly connected to the top of the base, and the output end of the second cylinder is fixedly connected to the connecting shaft.

[0015] Preferably, the structure of the mixing drum comprises a heat-insulating layer, a heating layer and a heat-conducting layer from the outside to the inside.

[0016] The utility model discloses the following technical effects: a mixing drum and a mixing rod are driven to rotate respectively by a first driving assembly and a second driving assembly, so that a fixed frame and an inclined rod on the mixing rod mix and stir asphalt and mineral aggregate, the rotation directions of the mixing drum and the mixing rod are opposite, and the inclination directions of the inclined rods on two adjacent fixed frames are opposite, so that the asphalt mixture is stirred in multiple directions, the stirring and mixing effect of the asphalt mixture is improved, the material agglomeration and segregation phenomena are reduced, and the quality of the green mixture is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is the front view of the utility model;

[0019] Figure 2 It is an axonometric drawing of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the fixed frame and the inclined rod in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the positioning component in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the connecting cover and the material plug in the utility model;

[0023] Figure 6 It is a structural schematic diagram of the lifting assembly and the traveling wheels in the utility model.

[0024] In the figure: 1. base; 2. bracket; 3. mixing drum; 4. mixing rod; 5. fixing frame; 6. inclined rod; 7. connecting frame; 8. connecting cover; 9. material plug; 10. fixing plate; 11. first cylinder; 12. positioning plate; 13. positioning column; 14. positioning hole; 15. rotating shaft; 16. first motor; 17. connecting plate; 18. second motor; 19. connecting shaft; 20. walking wheel; 21. through hole; 22. second cylinder. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0027] Reference Figure 1-Figure 6 The utility model provides a mixing device for asphalt mixing, comprising a base 1, two brackets 2 are fixedly connected to the top of the base 1, a mixing drum 3 is rotatably connected between the two brackets 2, a first driving assembly is arranged on one of the brackets 2, and the first driving assembly is transmission-connected to the mixing drum 3;

[0028] A second driving assembly is arranged on the bracket 2 away from the first driving assembly, and a stirring rod 4 is fixedly connected to the output end of the second driving assembly. The stirring rod 4 extends into the stirring drum 3 and is rotatably connected to the stirring drum 3. The rotation direction of the stirring rod 4 is opposite to that of the stirring drum 3.

[0029] A plurality of fixed frames 5 located in the mixing drum 3 are fixedly connected to the side wall of the mixing rod 4 in the circumferential direction, and a plurality of inclined rods 6 are fixedly connected between the fixed frames 5 and the mixing rod 4, and the inclined directions of the inclined rods 6 on two adjacent fixed frames 5 are opposite;

[0030] The mixing drum 3 and the mixing rod 4 are driven to rotate by the first drive assembly and the second drive assembly respectively, so that the fixed frame 5 and the inclined rod 6 on the mixing rod 4 mix and stir the asphalt and the mineral aggregate. The rotation directions of the mixing drum 3 and the mixing rod 4 are opposite, and the inclination directions of the inclined rods 6 on two adjacent fixed frames 5 are opposite, so that the asphalt mixture is stirred in multiple directions, the stirring and mixing effect of the asphalt mixture is improved, the agglomeration and segregation of materials are reduced, and the quality of the green mixture is improved.

[0031] Further optimization scheme, a material port is opened on the side wall of the mixing drum 3, a connecting frame 7 is fixedly connected to the material port, a connecting cover 8 is slidably sleeved outside the connecting frame 7, a material plug 9 is fixedly connected to the side of the connecting cover 8 close to the material port, the material plug 9 is slidably connected to the inner wall of the connecting frame 7, and a positioning component detachably connected to the connecting cover 8 is provided on the mixing drum 3;

[0032] The mixing drum 3 is rotated so that the material port faces upward, and the connecting cover 8 is opened. Asphalt and mineral aggregate can be added through the material port. After the mixing is completed, the material port is faced upward, and the connecting cover 8 is opened, and the asphalt mixture is discharged through the material port.

[0033] Further optimized solution, the positioning assembly includes two fixing plates 10 fixedly connected to the outer wall of the mixing drum 3, the two fixing plates 10 are respectively located on both sides of the connecting frame 7, a plurality of first cylinders 11 are fixedly connected to the side of the fixing plate 10 close to the connecting frame 7, a positioning plate 12 is fixedly connected to the output end of the first cylinder 11, a plurality of positioning posts 13 are fixedly connected to the side of the positioning plate 12 away from the first cylinder 11, and a plurality of positioning holes 14 are respectively opened on the opposite side walls of the connecting cover 8, and the plurality of positioning holes 14 are arranged one by one with the plurality of positioning posts 13 and are slidably connected;

[0034] The first cylinder 11 drives the positioning column 13 to move, so that the positioning column 13 can slide into the positioning hole 14, thereby fixing the connection cover 8.

[0035] According to a further optimized solution, two rotating shafts 15 are fixedly connected at both ends of the mixing drum 3, and the two rotating shafts 15 are rotatably connected to the two brackets 2 respectively. The first driving assembly includes a first motor 16 fixedly connected to one of the brackets 2, and the output shaft of the first motor 16 is fixedly connected to the rotating shaft 15;

[0036] The mixing drum 3 is driven to rotate by the first motor 16 .

[0037] In a further optimized solution, a connecting plate 17 is fixedly connected to the bracket 2 away from the first motor 16, and the second driving assembly includes a second motor 18 fixedly connected to the connecting plate 17, and a stirring rod 4 is fixedly connected to the output shaft of the second motor 18, and the stirring rod 4 passes through the rotating shaft 15 and is rotatably connected to the rotating shaft 15;

[0038] The stirring rod 4 is driven to rotate by the second motor 18 to achieve stirring of the material.

[0039] A further optimized solution is that lifting components are respectively provided at the four corners of the base 1, the lifting ends of the lifting components are fixedly connected with connecting shafts 19, the bottom of the connecting shaft 19 is rotatably connected with running wheels 20, and through holes 21 are respectively opened at the four corners of the base 1, and the running wheels 20 are located in the through holes 21.

[0040] In a further optimized solution, the lifting assembly includes a second cylinder 22 fixedly connected to the top of the base 1, and the output end of the second cylinder 22 is fixedly connected to the connecting shaft 19;

[0041] The second cylinder 22 can be used to drive the traveling wheel 20 to descend, so that the base 1 leaves the ground, thereby facilitating the movement of the device and conveniently moving the device to the construction site.

[0042] Further optimizing the scheme, the structure of the mixing drum 3 is a heat-insulating layer, a heating layer and a heat-conducting layer from the outside to the inside;

[0043] The material in the mixing drum 3 is heated by the heating layer to maintain a suitable mixing temperature and prevent asphalt from sticking.

[0044] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0045] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A stirring device for asphalt mixing, characterized in that: The invention comprises a base (1), wherein two brackets (2) are fixedly connected to the top of the base (1), a mixing drum (3) is rotatably connected between the two brackets (2), a first driving component is arranged on one of the brackets (2), and the first driving component is drivingly connected to the mixing drum (3); A second driving assembly is arranged on the bracket (2) away from the first driving assembly, and a stirring rod (4) is fixedly connected to the output end of the second driving assembly. The stirring rod (4) extends into the stirring drum (3) and is rotationally connected to the stirring drum (3), and the rotation direction of the stirring rod (4) is opposite to the rotation direction of the stirring drum (3); A plurality of fixed frames (5) located in the mixing drum (3) are fixedly connected to the side wall of the mixing rod (4) in the circumferential direction, a plurality of inclined rods (6) are fixedly connected between the fixed frames (5) and the mixing rod (4), and the inclined directions of the inclined rods (6) on two adjacent fixed frames (5) are opposite.

2. The stirring device for asphalt mixing according to claim 1, characterized in that: The side wall of the mixing drum (3) is provided with a material opening, a connecting frame (7) is fixedly connected to the material opening, a connecting cover (8) is slidably sleeved outside the connecting frame (7), a material plug (9) is fixedly connected to a side of the connecting cover (8) close to the material opening, the material plug (9) is slidably connected to the inner wall of the connecting frame (7), and a positioning component detachably connected to the connecting cover (8) is provided on the mixing drum (3).

3. The stirring device for asphalt mixing according to claim 2, characterized in that: The positioning assembly comprises two fixing plates (10) fixedly connected to the outer wall of the mixing drum (3), the two fixing plates (10) being respectively located on both sides of the connecting frame (7), a plurality of first cylinders (11) being fixedly connected to the side of the fixing plate (10) close to the connecting frame (7), a positioning plate (12) being fixedly connected to the output end of the first cylinder (11), a plurality of positioning columns (13) being fixedly connected to the side of the positioning plate (12) away from the first cylinder (11), a plurality of positioning holes (14) being respectively opened on the two opposite side walls of the connecting cover (8), the plurality of positioning holes (14) being arranged in one-to-one correspondence with the plurality of positioning columns (13) and being slidably connected.

4. The stirring device for asphalt mixing according to claim 1, characterized in that: Two rotating shafts (15) are fixedly connected at both ends of the mixing drum (3), and the two rotating shafts (15) are respectively rotatably connected to the two brackets (2). The first driving component comprises a first motor (16) fixedly connected to one of the brackets (2), and the output shaft of the first motor (16) is fixedly connected to the rotating shaft (15).

5. The stirring device for asphalt mixing according to claim 4, characterized in that: A connecting plate (17) is fixedly connected to the bracket (2) away from the first motor (16), and the second driving assembly includes a second motor (18) fixedly connected to the connecting plate (17). The stirring rod (4) is fixedly connected to the output shaft of the second motor (18), and the stirring rod (4) passes through the rotating shaft (15) and is rotatably connected to the rotating shaft (15).

6. The stirring device for asphalt mixing according to claim 1, characterized in that: The four corners of the base (1) are respectively provided with lifting assemblies, the lifting ends of the lifting assemblies are fixedly connected to connecting shafts (19), the bottom of the connecting shafts (19) are rotatably connected to running wheels (20), the four corners of the base (1) are respectively provided with through holes (21), and the running wheels (20) are located in the through holes (21).

7. The stirring device for asphalt mixing according to claim 6, characterized in that: The lifting assembly comprises a second cylinder (22) fixedly connected to the top of the base (1), and an output end of the second cylinder (22) is fixedly connected to the connecting shaft (19).

8. The stirring device for asphalt mixing according to claim 1, characterized in that: The structure of the mixing drum (3) comprises, from the outside to the inside, a heat-insulating layer, a heating layer and a heat-conducting layer.

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