Asphalt concrete anti-caking material preparation device

Abstract

The utility model relates to the technical field of asphalt concrete preparation, and discloses an asphalt concrete anti-caking material preparation device which comprises a tank body used for preparing asphalt concrete, the bottom end of the tank body is provided with a material guide pipe, and the bottom end of the material guide pipe is a discharge port of the tank body; the stirring shaft is rotationally connected into the tank body, a scraper frame is fixedly connected to the peripheral side of the stirring shaft, the outer side wall of the scraper frame is in sliding contact with the inner wall surface of the tank body, and the interior of the scraper frame is of a hollow structure and is used for mixing asphalt concrete; the spiral blade is coaxially and fixedly connected to the bottom end of the stirring shaft, the spiral blade is rotationally connected into the material guiding pipe, and the material guiding pipe has a guiding effect in the direction away from the tank body. The condition that asphalt concrete caking blocks a discharge port can be reduced, and the practical effect of the preparation device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bituminous concrete preparation technical field especially, and relates to a kind of bituminous concrete anti-congealing material preparation device. BACKGROUND

[0002] Bituminous concrete is commonly known as asphalt concrete, which is a mixture of mineral aggregates, crushed stone or gravel, stone chips or sand, and mineral powder, etc., with a certain proportion of road asphalt material, prepared under strict control conditions. However, due to the high viscosity of asphalt, when the temperature drops during preparation, bituminous concrete clumps can block the discharge port, and residual bituminous concrete attached to the inner wall of the preparation cavity can also cause congealing.

[0003] In the prior art, such as the bituminous concrete discharging anti-blocking mechanism with patent number CN218537883U, the fixed shaft is extended to be connected with the ramming shaft, which reduces the structural support strength of the ramming shaft. Long-term use will inevitably affect the dredging effect of the discharge port. Moreover, the existing technology uses a hydraulic cylinder and a piston plate to press the whole storage cylinder, which prevents other structures from being installed inside the storage cylinder. During the preparation of bituminous concrete, hot aggregates and asphalt need to be continuously mixed. Obviously, the existing technology cannot support the placement of the mixing equipment, which limits the use environment of the existing technology. Therefore, there is an urgent need for a bituminous concrete anti-congealing material preparation device to solve the above problems. SUMMARY

[0004] The utility model aims to provide a kind of bituminous concrete anti-congealing material preparation device, to solve the problems existing in the prior art, can realize the situation of reducing bituminous concrete congealing to block discharge port, improve the practical effect of preparation device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme: the utility model provides a kind of bituminous concrete anti-congealing material preparation device, comprising:

[0006] The tank body is used for preparing bituminous concrete, and the tank body bottom end is provided with a material guide pipe, and the material guide pipe bottom end is the discharge port of the tank body;

[0007] The stirring shaft is rotatably connected in the tank body, and the outer periphery of the stirring shaft is fixedly connected with a scraper frame, and the outer side wall of the scraper frame is in sliding contact with the inner wall of the tank body. The inside of the scraper frame is a hollow structure for mixing the bituminous concrete.

[0008] The spiral blade is coaxially fixedly connected to the bottom end of the stirring shaft, and the spiral blade is rotatably connected in the material guide pipe. The material guide pipe has a guiding effect in the direction away from the tank body.

[0009] Preferably, further comprising:

[0010] An outlet pipe is coaxially fixed at the bottom end of the material guide pipe, and a switch valve is arranged on the outlet pipe.

[0011] A heating sheet is fixed on the outer sidewall of the material guide pipe, and a heating end of the heating sheet can release heat radiation along the inside of the material guide pipe.

[0012] Preferably, the scraper frame comprises:

[0013] A plurality of first frames are fixed at equal intervals around the stirring shaft, and the remaining side of the first frame away from the stirring shaft is in sliding contact with the inner wall surface of the tank body.

[0014] A plurality of stirring rods are arranged in the first frame in the vertical direction, and the two ends of the stirring rod are fixed to the first frame, and a gap is arranged between the adjacent two stirring rods.

[0015] Preferably, the bottom of the tank body is a conical structure, and the material guide pipe is connected and fixed at the center of the bottom end of the tank body.

[0016] Preferably, further comprising:

[0017] A driving shell is fixed to the top surface of the tank body, and a driving motor is fixed to the driving shell.

[0018] A rotating shaft is rotatably connected to the top end of the tank body and coaxially fixed to the stirring shaft, one end of the rotating shaft extends into the driving shell, a first gear is sleeved and fixed to the rotating shaft in the driving shell, a second gear is engaged on one side of the first gear, and the output shaft of the driving motor is fixed to the shaft center of the second gear through a shaft coupling.

[0019] Preferably, the stirring shaft and the material guide pipe are coaxially distributed in the vertical direction, the bottom end of the stirring shaft extends into the material guide pipe, and the helical blade is fixed around the part of the stirring shaft extending into the material guide pipe.

[0020] Preferably, a feeding port is arranged on one side of the top end of the tank body, and a feeding hopper is fixed in the feeding port.

[0021] The utility model discloses the following technical effects:

[0022] This invention features a guide pipe at the bottom of the tank, with a spiral blade rotatably connected inside. This guide pipe creates a guiding effect away from the tank, reducing the likelihood of asphalt concrete clogging the discharge port. Furthermore, a scraper frame is fixed to the mixing shaft, allowing its outer wall to slide against the inner wall of the tank, reducing the likelihood of residual asphalt concrete adhering to the inner wall and forming lumps. This effectively improves the discharge efficiency of the asphalt concrete, preventing residual material from clogging the tank. The scraper frame also has a hollow internal structure, allowing it to rotate within the tank under the drive of the mixing shaft, thus mixing and preparing the asphalt concrete and enhancing the tank's practicality. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Fig. 1 This is a diagram showing the positional relationship between the tank and the feed hopper in this utility model;

[0025] Fig. 2 This is a diagram showing the connection relationship between the scraper frame and the stirring shaft in this utility model;

[0026] Fig. 3 This is a diagram showing the connection relationship between the rotating shaft and the stirring shaft in this utility model;

[0027] The components are as follows: 1. Tank body; 2. Feed pipe; 3. Stirring shaft; 4. Scraper frame; 5. Spiral blades; 6. Discharge pipe; 7. On / off valve; 8. Heating element; 9. Drive housing; 10. Drive motor; 11. Rotating shaft; 12. First gear; 13. Second gear; 14. Feed hopper; 41. First frame; 42. Stirring rod. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] ReferenceFigs. 1-3 The utility model provides a kind of asphalt concrete anti-congealing material preparation device, comprising:

[0031] Tank body 1 is used to prepare asphalt concrete, and the bottom end of tank body 1 is provided with a material guide pipe 2, and the bottom end of the material guide pipe 2 is a discharge port of tank body 1.

[0032] The stirring shaft 3 is rotatably connected in the tank body 1, and a scraper frame 4 is fixedly connected to the outer periphery of the stirring shaft 3. The outer side wall of the scraper frame 4 is in sliding contact with the inner wall of the tank body 1. The inside of the scraper frame 4 is a hollow structure for mixing asphalt concrete.

[0033] The spiral blade 5 is coaxially fixedly connected to the bottom end of the stirring shaft 3, and the spiral blade 5 is rotatably connected in the material guide pipe 2. The material guide pipe 2 has a guiding effect in the direction away from the tank body 1.

[0034] The utility model discloses a kind of asphalt concrete anti-congealing material preparation device, comprising: By being provided with the material guide pipe 2 at the bottom end of tank body 1, and the spiral blade 5 is rotatably connected in the material guide pipe 2, so that the guiding effect in the direction away from the tank body 1 is formed in the material guide pipe 2, the situation that asphalt concrete discharge is blocked in discharge port is reduced, and by being fixedly connected with the scraper frame 4 on the stirring shaft 3, the outer side wall of the scraper frame 4 is in sliding contact with the inner wall of the tank body 1, the situation that residual agglomerate is generated by asphalt concrete adhering to the inner wall of the tank body 1 is reduced, so that the discharge effect of asphalt concrete is effectively improved, residual agglomerate is prevented from blocking the tank body 1, and the inside of the scraper frame 4 is a hollow structure, which can rotate in the tank body 1 under the driving of the stirring shaft 3, so as to mix and prepare asphalt concrete, and the practicability of the tank body 1 is enhanced.

[0035] Further, it further comprises:

[0036] The discharge pipe 6 is coaxially fixedly connected to the bottom end of the material guide pipe 2, and the opening and closing valve 7 is arranged on the discharge pipe 6.

[0037] The heating sheet 8 is fixedly connected to the outer side wall of the material guide pipe 2, and the heating end of the heating sheet 8 can release heat radiation in the interior of the material guide pipe 2.

[0038] By fixedly connecting the discharge pipe 6 to the bottom end of the material guide pipe 2, the material guide pipe 2 is used for guiding and discharging, and the discharge pipe 6 is combined with the installed opening and closing valve 7 to control the discharge of the tank body 1. Compared with the prior art, the length of the discharge pipe 6 can be shortened, the discharge control can be realized, and the dredging effect of the discharge port is improved.

[0039] The heating sheet 8 is connected to the power supply to heat the material guide pipe 2, further reducing the situation that asphalt concrete is agglomerated in the material guide pipe 2, and avoiding that the agglomerated asphalt concrete blocks the material guide pipe 2.

[0040] Further, the scraper frame 4 comprises:

[0041] The first frame body 41 is fixed at equidistant intervals around the stirring shaft 3 in the circumferential direction, and the remaining side of the first frame body 41 away from the stirring shaft 3 is in sliding contact with the inner wall of the tank body 1.

[0042] The stirring rod 42 is provided in plurality, and the plurality of stirring rods 42 are sequentially arranged in the vertical direction in the first frame body 41. The two ends of the stirring rod 42 are fixed to the first frame body 41, and a gap is provided between the adjacent two stirring rods 42.

[0043] By fixing the first frame body 41 to the stirring shaft 3, and matching the outer side wall of the first frame body 41 with the inner wall of the tank body 1, the first frame body 41 is driven to rotate during the rotation of the stirring shaft 3, so as to scrape off the asphalt concrete adhered to the inner wall of the tank body 1. The plurality of stirring rods 42 fixed in the first frame body 41 are arranged at intervals, forming a hollow structure in the first frame body 41. When the first frame body 41 rotates, the stirring rods 42 can mix and stir the inside of the tank body 1.

[0044] Further, the bottom of the tank body 1 is in a conical structure, and the material guide pipe 2 is connected and fixed to the center of the bottom end of the tank body 1.

[0045] The bottom of the tank body 1 is designed in a conical structure, which provides a guiding effect for the discharge of asphalt concrete, so that it is discharged out of the tank body 1 in the direction of the material guide pipe 2.

[0046] Further, it further comprises:

[0047] The driving shell 9 is fixed to the top surface of the tank body 1, and the driving motor 10 is fixed to the driving shell 9.

[0048] The rotating shaft 11 is rotatably connected to the top end of the tank body 1 and coaxially fixed to the stirring shaft 3. One end of the rotating shaft 11 extends into the driving shell 9. The first gear 12 is fixed to the part of the rotating shaft 11 located in the driving shell 9. The second gear 13 is engaged with one side of the first gear 12. The output shaft of the driving motor 10 is fixed to the shaft center of the second gear 13 through a shaft coupling.

[0049] The driving shell 9 supports the driving motor 10. The driving motor 10 rotates the second gear 13, which drives the first gear 12 to rotate, thereby driving the rotating shaft 11 and the tank body 1 to rotate through the rotating connection, and directly driving the stirring shaft 3 and the tank body 1 to rotate, so as to realize the rotation of the first frame body 41 to scrape off the inner wall of the tank body 1, and the rotation of the helical blade 5 to guide the material guide pipe 2 to discharge.

[0050] The driving motor 10 is fixed to the second gear 13 through the shaft coupling, which can meet the power output required for rotating the stirring shaft 3 to mix the asphalt concrete.

[0051] Further, the stirring shaft 3 and the material guide pipe 2 are coaxially arranged along the vertical direction, the bottom end of the stirring shaft 3 extends into the material guide pipe 2, and the helical blade 5 is arranged on the part of the stirring shaft 3 extending into the material guide pipe 2.

[0052] The helical blade 5 arranged on the stirring shaft 3 is coaxially arranged with the material guide pipe 2, and the helical blade 5 and the material guide pipe 2 cooperatively form a spiral conveying structure.

[0053] Further, a feeding port is formed on one side of the top end of the tank body 1, and a feeding hopper 14 is fixedly connected in the feeding port.

[0054] The working principle of the asphalt concrete anti-caking material preparation device is as follows:

[0055] The asphalt and hot aggregates (sand and stones) are fed into the tank body 1 from the feeding hopper 14, at this time, the on-off valve 7 is closed, the driving motor 10 is started to rotate the second gear 13, the second gear 13 drives the stirring shaft 3 to rotate, the stirring shaft 3 simultaneously rotates the first frame body 41 and the stirring rod 42, and the helical blade 5 also rotates in the material guide pipe 2, after stirring and mixing for 40-60s, the on-off valve 7 is opened, and the driving motor 10 continues to drive the stirring shaft 3 to rotate, the first frame body 41 scrapes the attached asphalt concrete on the inner wall of the tank body 1, and the helical blade 5 and the material guide pipe 2 cooperatively transport the material in the tank body 1, so that the asphalt concrete is fed out of the tank body 1 along the discharge pipe 6.

[0056] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application.

[0057] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application should fall within the protection scope of the present application.

Claims

1. A device for preparing asphalt concrete anti-caking material, characterized in that, Include: Tank body (1) for preparing asphalt concrete, the tank body (1) bottom end is provided with the material guide pipe (2), the material guide pipe (2) bottom end is the discharge port of the tank body (1); Mixing shaft (3) is rotatably connected in the tank body (1), the outer circumferential side of the mixing shaft (3) is fixedly connected with the scraper frame (4), the outer side wall of the scraper frame (4) is in sliding contact with the inner wall surface of the tank body (1), wherein the inside of the scraper frame (4) is a hollow structure for mixing the asphalt concrete; Helical blade (5) is coaxially fixedly connected at the bottom end of the mixing shaft (3), and the helical blade (5) is rotatably connected in the material guide pipe (2), the material guide pipe (2) has a guiding effect in the direction away from the tank body (1).

2. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, characterized by, Also include: Discharge pipe (6) is coaxially fixedly connected at the bottom end of the material guide pipe (2), the discharge pipe (6) is provided with an on-off valve (7); Heating sheet (8) is fixedly connected to the outer side wall of the material guide pipe (2), the heating end of the heating sheet (8) can release heat radiation along the inside of the material guide pipe (2).

3. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, characterized by: The scraper frame (4) comprises: First frame body (41) is fixedly connected with several first frame bodies (41) around the mixing shaft (3) at equal intervals, the remaining side of the first frame body (41) away from the mixing shaft (3) is in sliding contact with the inner wall surface of the tank body (1); A plurality of stirring rods (42) are provided, and the plurality of stirring rods (42) are sequentially arranged in the first frame body (41) in the vertical direction, both ends of the stirring rod (42) are fixedly connected with the first frame body (41), and a gap is arranged between adjacent two stirring rods (42).

4. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, characterized by: The bottom of the tank body (1) is a conical structure, and the material guide pipe (2) is connected and fixed at the center of the bottom end of the tank body (1).

5. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, wherein Also include: Drive housing (9) is fixedly connected to the top surface of the tank body (1), and the drive housing (9) is fixedly connected with a drive motor (10); Rotating shaft (11) is rotatably connected to the top end of the tank body (1) and coaxially fixedly connected with the mixing shaft (3), one end of the rotating shaft (11) extends into the drive housing (9), a first gear (12) is sleeved and fixed in the drive housing (9), one side of the first gear (12) is engaged with a second gear (13), and the output shaft of the drive motor (10) is fixedly connected with the shaft center of the second gear (13) through a shaft coupling.

6. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, characterized by: The mixing shaft (3) and the material guide pipe (2) are coaxially distributed in the vertical direction, the bottom end of the mixing shaft (3) extends into the material guide pipe (2), and the helical blade (5) is fixedly connected around the part of the mixing shaft (3) extending into the material guide pipe (2).

7. The asphalt concrete anti-blocking material preparation apparatus according to claim 1, characterized by: A feeding port is formed on one side of the top end of the tank body (1), and a feeding hopper (14) is fixedly connected in the feeding port.

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