Asphalt concrete stirring equipment

Abstract

The utility model discloses asphalt concrete mixing equipment and relates to the technical field of mixing equipment. A heat conduction rotating shaft is fixed in the stirring box; a plurality of heat conduction stirring blades are arranged on the heat conduction rotating shaft; a through hole is formed in one end of the rotating shaft; a feeding hopper communicated with the stirring box is fixed on one side of the outer heat preservation sleeve; the height of the stirring box is gradually reduced from one end close to the feeding hopper to one end far away from the feeding hopper. The heating rod is started to heat the heat conduction rotating shaft and the heat conduction stirring blades, so that asphalt is heated while being stirred by the heat conduction stirring blades, the molten state of the asphalt is conveniently kept, the mixing effect of asphalt concrete is conveniently improved, air in the outer heat preservation sleeve is conveniently heated through the heating wire, and the heat preservation effect of the stirring box is conveniently improved; the heat loss probability of the stirring box is reduced.

Description

Technical Field

[0001] The utility model belongs to the field of mixing equipment, and specifically relates to an asphalt concrete mixing equipment. Background Art

[0002] Generally, the altitude of 1500 - 3500 meters is considered high altitude, 3500 - 5500 meters is considered ultra-high altitude, and above 5500 meters is considered extremely high altitude. When mixing asphalt mixture, a certain temperature needs to be maintained. Due to the low temperature at high altitude, it is necessary to heat and keep warm the asphalt in the device.

[0003] Chinese Patent No. CN220116955U discloses a warm mix asphalt concrete mixing equipment, which includes a mixing tank, a feeding port and a discharging port; one end of the mixing tank is fixedly provided with a feeding port, and the other end of the mixing tank is fixedly provided with a discharging port for loading and unloading asphalt mixture; an outer heat preservation sleeve is sleeved outside the mixing tank, and a support frame is fixedly provided at the bottom end of the outer heat preservation sleeve. A plurality of heating pipes are equidistantly arranged inside the outer heat preservation sleeve outside the mixing tank. An outer jacket type heat preservation structure is adopted, and the mixing tank is heated by the heating pipes, and combined with the heat preservation structure of the outer heat preservation sleeve, it is ensured that when mixing, the asphalt concrete can be stably maintained at the required temperature, avoiding the influence of temperature loss on the mixing effect, and solving the problem that the existing warm mix asphalt concrete mixing equipment is not convenient to maintain the temperature of the asphalt concrete during use. While being more energy-saving, it also ensures the mixing effect of the warm mix asphalt concrete. However, for the warm mix asphalt concrete mixing equipment in this application, heating pipes are arranged inside the outer heat preservation sleeve to keep the mixing tank warm, but the heating effect on the asphalt in the mixing tank is relatively low. After the remaining materials enter the mixing tank, the temperature of the asphalt in the mixing tank will be reduced, affecting the uniformity of the asphalt concrete mixing.

[0004] In view of this, the present utility model is specifically proposed. Content of the Utility Model

[0005] The technical problem to be solved by the present utility model is to overcome the deficiencies of the prior art and provide an asphalt concrete mixing equipment.

[0006] To solve the above technical problem, the basic concept of the technical solution adopted by the present utility model is as follows:

[0007] An asphalt concrete mixing equipment includes an outer heat preservation sleeve, a mixing tank is rotatably fitted inside the outer heat preservation sleeve, a heat conduction rotating shaft is fixed inside the mixing tank, a plurality of heat conduction stirring blades are arranged on the heat conduction rotating shaft, a through hole is arranged at one end of the rotating shaft, a feeding hopper communicated with the mixing tank is fixed on one side of the outer heat preservation sleeve, a heating rod with one end extending into the through hole is fixed inside the feeding hopper, a heating wire is arranged inside the outer heat preservation sleeve, and the height of the mixing tank gradually decreases from the end close to the feeding hopper to the end far from the feeding hopper.

[0008] Optionally, one end of the mixing tank is provided with a connecting cylinder, and one end of the connecting cylinder is rotatably fitted in the feed hopper. On one side of the outer heat-insulating sleeve, there are two fixing rods connected to the feed hopper. One end of the feed hopper is embedded with a second bearing, and one end of the connecting cylinder is fixed in the second bearing, which is convenient for fixing the feed hopper through the fixing rods.

[0009] Optionally, the heat-conducting stirring blades are in a spiral blade structure. A plurality of heat-conducting stirring blades are spirally arrayed on the heat-conducting rotating shaft, which is convenient for improving the stirring effect of the asphalt concrete. The heat-conducting stirring blades are fixed on the inner wall of the mixing tank, which is convenient for the mixing tank to drive the heat-conducting stirring blades to rotate synchronously.

[0010] Optionally, an external toothed ring is fixedly sleeved on the connecting cylinder. On one side of the outer heat-insulating sleeve, there is a servo motor. The output end of the servo motor is provided with a gear, and the gear meshes with the external toothed ring, which is convenient for the servo motor to drive the gear to drive the mixing tank to rotate through the external toothed ring, and is convenient for the mixing tank, the heat-conducting rotating shaft, and the heat-conducting stirring blades to rotate synchronously.

[0011] Optionally, the outer heat-insulating sleeve is embedded with first bearings at both ends, and both ends of the mixing tank are respectively fixed in the two first bearings, which is convenient for improving the rotation stability of the mixing tank through the first bearings.

[0012] Optionally, a support seat is provided below the outer heat-insulating sleeve. On the upper side of the support seat, there are two support plates, and the outer heat-insulating sleeve is fixed on the two support plates, which is convenient for supporting the outer heat-insulating sleeve through the support plates.

[0013] After adopting the above technical solutions, the present utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the present utility model does not necessarily need to achieve all the advantages described below at the same time:

[0014] By turning on the heating rod to heat the heat-conducting rotating shaft and the heat-conducting stirring blades, and then while stirring the asphalt through the heat-conducting stirring blades, heating the asphalt, which is convenient for keeping the asphalt in a molten state, convenient for improving the mixing effect of the asphalt concrete, convenient for heating the air in the outer heat-insulating sleeve through the heating wire, and convenient for improving the heat-insulating effect of the mixing tank and reducing the probability of heat loss of the mixing tank.

[0015] The following further describes in detail the specific implementation manners of the present utility model with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following drawings in the description are only some embodiments. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts. In the drawings:

[0017] Figure 1 is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0018] Figure 2Schematic cross-sectional structure diagram of an embodiment of the present utility model;

[0019] Figure 3 Schematic bottom view structure diagram of an embodiment of the present utility model;

[0020] In the attached drawings, the list of components represented by each reference numeral is as follows:

[0021] Outer insulation sleeve 1, fixed rod 100, servo motor 101, gear 102, first bearing 103, support base 104, support plate 105, mixing tank 2, connecting cylinder 201, external toothed ring 202, heat-conducting rotating shaft 3, heat-conducting stirring blade 4, through hole 5, feed hopper 6, heating rod 7, heating wire 8.

[0022] It should be noted that these attached drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to illustrate the concept of the present utility model to those skilled in the art by referring to specific embodiments. Specific embodiments

[0023] Now, the present utility model will be further described in detail with reference to the attached drawings.

[0024] Please refer to Figures 1-3 As shown, in this embodiment, an asphalt concrete mixing device is provided, including an outer insulation sleeve 1. A mixing tank 2 is rotatably fitted inside the outer insulation sleeve 1. A heat-conducting rotating shaft 3 is fixed inside the mixing tank 2. A plurality of heat-conducting stirring blades 4 are provided on the rotating shaft 3. One end of the rotating shaft 3 is provided with a through hole 5. One side of the outer insulation sleeve 1 is fixed with a feed hopper 6 communicating with the mixing tank 2. A heating rod 7 with one end extending into the through hole 5 is fixed inside the feed hopper 6. A heating wire 8 is provided inside the outer insulation sleeve 1. The height of the mixing tank 2 gradually decreases from the end close to the feed hopper 6 to the end away from the feed hopper 6.

[0025] By turning on the heating rod 7 to heat the heat-conducting rotating shaft 3 and the heat-conducting stirring blades 4, and then while stirring the asphalt through the heat-conducting stirring blades 4, heating the asphalt, it is convenient to keep the asphalt in a molten state, improve the mixing effect of the asphalt concrete, heat the air inside the outer insulation sleeve 1 through the heating wire 8, improve the heat preservation effect of the mixing tank 2, and reduce the probability of heat loss from the mixing tank 2.

[0026] One end of the mixing tank 2 in this embodiment is provided with a connecting cylinder 201, and one end of the connecting cylinder 201 is rotatably fitted inside the feed hopper 6. Two fixed rods 100 connected to the feed hopper 6 are provided on one side of the outer insulation sleeve 1. A second bearing is embedded at one end of the feed hopper 6, and one end of the connecting cylinder 201 is fixed inside the second bearing, which is convenient to fix the feed hopper 6 through the fixed rods 100 and fix the feed hopper 6 to be fixedly connected to the outer insulation sleeve 1.

[0027] The heat-conducting stirring blade 4 of this embodiment is in a spiral blade shape. A plurality of heat-conducting stirring blades 4 are spirally arrayed on the heat-conducting rotating shaft 3, which is convenient for improving the stirring effect of asphalt concrete. The heat-conducting stirring blade 4 is fixed on the inner wall of the stirring tank 2, which is convenient for the stirring tank 2 to drive the heat-conducting stirring blade 4 to rotate synchronously, and is convenient for stirring asphalt concrete through the heat-conducting stirring blade 4.

[0028] An external toothed ring 202 is fixedly sleeved on the connecting cylinder 201 of this embodiment. A servo motor 101 is provided on one side of the outer heat-insulating sleeve 1. A gear 102 is provided at the output end of the servo motor 101, and the gear 102 meshes with the external toothed ring 202, which is convenient for the servo motor 101 to drive the gear 102 to drive the stirring tank 2 to rotate through the external toothed ring 202, convenient for the stirring tank 2, the heat-conducting rotating shaft 3, and the heat-conducting stirring blade 4 to rotate synchronously, and convenient for mixing the materials in the stirring tank 2.

[0029] Two first bearings 103 are embedded at both ends of the outer heat-insulating sleeve 1 of this embodiment, and both ends of the stirring tank 2 are respectively fixed in the two first bearings 103, which is convenient for improving the rotation stability of the stirring tank 2 through the first bearings 103 and convenient for improving the stability of mixing materials in the stirring tank 2.

[0030] A support base 104 is provided below the outer heat-insulating sleeve 1 of this embodiment. Two support plates 105 are provided on the upper side of the support base 104, and the outer heat-insulating sleeve 1 is fixed on the two support plates 105, which is convenient for supporting the outer heat-insulating sleeve 1 through the support plates 105.

[0031] Working principle: Turn on the servo motor 101 to drive the gear 102, drive the stirring tank 2 to rotate through the external toothed ring 202, which is convenient for the stirring tank 2, the heat-conducting rotating shaft 3, and the heat-conducting stirring blade 4 to rotate synchronously, and convenient for mixing the materials in the stirring tank 2. Discharge the concrete raw materials and asphalt into the stirring tank 2 through the feed hopper 6, and then turn on the heating rod 7 to heat the heat-conducting rotating shaft 3 and the heat-conducting stirring blade 4. Then, while stirring the asphalt through the heat-conducting stirring blade 4, heat the asphalt, which is convenient for maintaining the molten state of the asphalt and convenient for improving the mixing effect of the asphalt concrete.

[0032] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0033] The present invention is not limited to the above embodiments. Anyone should know that the structural changes made under the inspiration of the present invention, as long as they have the same or similar technical solutions as the present invention, all fall within the protection scope of the present invention. The technologies, shapes, and structures not described in detail in the present invention are all well-known technologies.

Claims

1. In an asphalt concrete mixing equipment, it is characterized in that Including: An outer heat insulation sleeve (1), a mixing tank (2) is rotatably fitted inside the outer heat insulation sleeve (1), a heat conducting rotating shaft (3) is fixed inside the mixing tank (2), a plurality of heat conducting stirring blades (4) are arranged on the heat conducting rotating shaft (3), a through hole (5) is arranged at one end of the rotating shaft (3), a feeding hopper (6) communicated with the mixing tank (2) is fixed on one side of the outer heat insulation sleeve (1), a heating rod (7) with one end extending into the through hole (5) is fixed inside the feeding hopper (6), a heating wire (8) is arranged inside the outer heat insulation sleeve (1), and the height of the mixing tank (2) gradually decreases from the end close to the feeding hopper (6) to the end far from the feeding hopper (6).

2. An asphalt concrete mixing equipment according to claim 1, characterized in that, A connecting cylinder (201) is arranged at one end of the mixing tank (2), and one end of the connecting cylinder (201) is rotatably fitted inside the feeding hopper (6), and two fixing rods (100) connected with the feeding hopper (6) are arranged on one side of the outer heat insulation sleeve (1).

3. An asphalt concrete mixing device according to claim 1, characterized in that, The heat conducting stirring blades (4) are in a spiral blade-like structure, a plurality of heat conducting stirring blades (4) are spirally arrayed on the heat conducting rotating shaft (3), and the heat conducting stirring blades (4) are fixed on the inner wall of the mixing tank (2).

4. An asphalt concrete mixing device according to claim 1, characterized in that, An outer gear ring (202) is fixedly sleeved on the connecting cylinder (201), a servo motor (101) is arranged on one side of the outer heat insulation sleeve (1), a gear (102) is arranged at the output end of the servo motor (101), and the gear (102) is meshed with the outer gear ring (202).

5. An asphalt concrete mixing equipment according to claim 1, characterized in that, First bearings (103) are embedded at both ends of the outer heat insulation sleeve (1), and both ends of the mixing tank (2) are respectively fixed inside the two first bearings (103).

6. An asphalt concrete mixing equipment according to claim 1, characterized in that, A support base (104) is arranged below the outer heat insulation sleeve (1), two support plates (105) are arranged on the upper side of the support base (104), and the outer heat insulation sleeve (1) is fixed on the two support plates (105).

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