Layout device for 3D paving of asphalt mixture

Abstract

The utility model relates to the technical field of pavement paving, in particular to a 3D asphalt mixture paving device which comprises a material storage structure, a material stirring structure is rotatably mounted on one side in the material storage structure, a plurality of material distribution structures are fixedly mounted on one side of the bottom of the material storage structure, and the material storage structure comprises a material storage hopper. A discharging barrel is fixedly installed at one end of the storage hopper, a discharging opening is formed in the bottom side in the discharging barrel, the stirring structure comprises a rotating shaft, a bidirectional spiral blade is fixedly wound around the side surface of the rotating shaft, and the two ends of the rotating shaft are fixedly connected with the output end of a driving motor. According to the utility model, the rotating shaft is driven by the two groups of driving motors to carry the two-way spiral blade to rotate alternately in the positive and negative directions at the moving frequency, so as to convey a mixture in the two-way spiral blade, convey the mixture in the middle of the discharging barrel to two ends, or convey the mixture at two ends to the middle, and discharge the mixture from the discharging hole; and the relatively uniform material distribution work is continuously carried out.

Description

Technical Field

[0001] The utility model relates to the technical field of road paving, in particular to a 3D paving asphalt mixture laying device. Background Art

[0002] 3D paving refers to the on-site real-time measurement of the position, height and other posture data of the paving machine based on the elevation measurement data of the underlying layer and the road design data, and the calculation of the paving data through professional software. The onboard computer automatically controls the hydraulic system of the paver, thereby realizing fully automatic paving thickness, elevation and slope control. It completely liberates the traditional manual work of setting out, hammering steel chisels and hanging lines, and realizes accurate and automatic control of the pavement paving thickness. In the existing technology, as the paver continues to move forward during paving operations, the scraper at the bottom of the pavement will accumulate excess crushed stones when scraping the pavement, and it cannot be effectively guided. In addition, the laying thickness of the asphalt mixture is the preset thickness before paving, and it cannot be adjusted during paving, which affects the paving quality.

[0003] A technical solution to the above-mentioned problem has also appeared in the prior art. A Chinese patent with publication number CN217651575U discloses a 3D asphalt mixture laying device, a laying head is arranged at the lower end of the conveying component, and a material hopper is arranged on the conveying component. The material hopper is used to hold the asphalt mixture, and a slope is arranged on the bottom surface of the material hopper. The slope is used to guide the asphalt mixture to the interior of the conveying component. A conduit is arranged on one side of the conveying component, and the two ends of the conduit are respectively connected to the interior of the conveying component and the material hopper, and a leveling component is arranged at the lower end of the conveying component. The leveling component and the laying head are arranged parallel to each other. The leveling component is used to level the ground to be paved, and the relative distance between the lower end of the leveling component and the upper end of the ground can be kept consistent with the movement of the vehicle body.

[0004] The guide plate is used to effectively guide the excess crushed stone accumulated on the scraped road surface. The thickness of the asphalt mixture can be adjusted at any time to ensure the paving quality. However, it is consistent with some of the current laying devices. A one-way auger is used at the discharge port for material transportation to evenly transport the material to each laying port. However, the one-way auger will gradually accumulate the material to one end, and the conveying path is long, which affects the discharge efficiency. There is a situation where the material supply cannot keep up with the travel speed of the road paving engineering vehicle. Utility Model Content

[0005] The purpose of the utility model is to provide a 3D paving asphalt mixture laying device to solve the problems raised in the above background technology.

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

[0007] A laying device for 3D paving asphalt mixture, including a material storage structure, a material shifting structure is rotatably installed on one side of the interior of the material storage structure, a material distribution structure is fixedly installed on one side of the bottom of the material storage structure, and the number of the material distribution structures is several. The material storage structure includes a storage hopper, a discharging barrel is fixedly installed on one end of the storage hopper, and a discharging port is opened on the bottom side of the discharging barrel. The material shifting structure includes a rotating shaft, a bidirectional spiral blade is fixedly wound on the side surface of the rotating shaft, and both ends of the rotating shaft are fixedly connected to the output end of a driving motor.

[0008] Furthermore, motor base plates are fixedly installed at both ends of the discharging barrel, and heating resistance wires are embedded and installed in the inner wall of the storage hopper and the discharging barrel.

[0009] Furthermore, one end of the driving motor is embedded in the motor base.

[0010] Furthermore, the material distribution structure includes a material pipe base, a discharge pipe is fixedly installed at the lower end of the material pipe base, a side outlet is opened at one side of the lower end of the discharge pipe, and a guiding inclined bottom is opened at the bottom side of the side outlet.

[0011] Furthermore, a material distribution column is fixedly installed at the lower end of the guiding inclined bottom, and material-discharging spring pieces are fixedly installed on both sides of the material distribution column.

[0012] Furthermore, two ends of the rotating shaft pass through the motor base plate, and the motor base is fixedly installed on the outer surface of the motor base plate.

[0013] Furthermore, the material pipe base is fixedly installed at the bottom of the discharge barrel, and the discharge pipe is communicated with the discharge port.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The high-temperature asphalt mixture is put into the storage hopper, and falls into the discharge barrel under the sliding of the inclined bottom of the storage hopper. The excess mixture is accumulated in the storage hopper for temporary storage. As the mixture is discharged from the bottom of the discharge barrel, it continues to enter the discharge barrel. Driven by two sets of drive motors, the rotating shaft carries the bidirectional spiral blades to rotate alternately at a moving frequency, and transports the mixture in the bidirectional spiral blades, sending the mixture in the middle of the discharge barrel to both ends, and then sending the mixture at both ends of the discharge barrel to the middle, and discharged from each discharge port, continuously performing relatively uniform material distribution. Compared with the one-way feeding auger structure, the feeding path is shorter, the efficiency is higher, and the distribution efficiency is improved.

[0016] The mixed material discharged from the discharge port is transported by the discharge pipe and guided by the guiding inclined bottom, and is discharged from the side outlet to the front of the moving direction of the overall structure. The mixed material discharged from the side outlet is broken up by the arc surface on the front side of the moving dividing column, and is diverted to both sides of the dividing column, and then is flattened by the material-dividing spring to carry out the material dividing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the material storage structure in the utility model;

[0019] Figure 3 This is a schematic diagram of the material shifting structure in the utility model;

[0020] Figure 4 It is a schematic diagram of the cloth structure in the utility model.

[0021] In the figure: 1. material storage structure; 101. material storage hopper; 102. material discharge barrel; 103. motor base plate; 104. material discharge port; 105. heating resistor wire; 2. material shifting structure; 201. rotating shaft; 202. bidirectional spiral blades; 203. motor base; 204. driving motor; 3. material distribution structure; 301. material pipe base; 302. material discharge pipe; 303. side outlet; 304. guiding inclined bottom; 305. material distribution column; 306. material shifting spring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 4 In an embodiment of the utility model, a 3D asphalt mixture laying device includes a storage structure 1, a material shifting structure 2 is rotatably installed on one side of the interior of the storage structure 1, a material distribution structure 3 is fixedly installed on one side of the bottom of the storage structure 1, and the number of the distribution structures 3 is several. The storage structure 1 includes a storage hopper 101, a discharge barrel 102 is fixedly installed on one end of the storage hopper 101, and a discharge port 104 is opened on the bottom side of the discharge barrel 102. The material shifting structure 2 includes a rotating shaft 201, and a bidirectional spiral blade 202 is fixedly wound on the side surface of the rotating shaft 201, and both ends of the rotating shaft 201 are fixedly connected to the output end of the driving motor 204.

[0024] Specifically, the asphalt mixture in a high-temperature state is put into the storage hopper 101, and falls into the discharge barrel 102 under the sliding of the inclined bottom of the storage hopper 101. The excess mixture is accumulated in the storage hopper 101 and temporarily stored. As the mixture is discharged from the bottom of the discharge barrel 102 and continues to enter the discharge barrel 102, the rotating shaft 201, driven by two sets of drive motors 204, carries the bidirectional spiral blades 202 to rotate alternately at a moving frequency, and transports the mixture in the bidirectional spiral blades 202, and sends the mixture in the middle of the discharge barrel 102 to both ends, and then sends the mixture at both ends of the discharge barrel 102 to the middle, and is discharged from each discharge port 104, and the relatively uniform material distribution work is continuously performed. Compared with the one-way feeding auger structure, the feeding path is shorter and the efficiency is higher, thereby improving the distribution efficiency. Example 1

[0025] like Figure 2 As shown, in this embodiment, motor substrates 103 are fixedly installed at both ends of the discharge barrel 102 , and heating resistance wires 105 are embedded and installed in the inner walls of the storage hopper 101 and the discharge barrel 102 .

[0026] In this embodiment, when the asphalt mixture is temporarily stored in the storage hopper 101 and the discharge barrel 102, the heating resistor 105 is continuously energized to generate heat to provide temperature conditions and maintain the temperature of the asphalt mixture, thereby avoiding the need for temporary construction. The mixture is placed in the storage hopper 101 and the discharge barrel 102 for too long, resulting in a decrease in temperature and the occurrence of adhesion of the mixture.

[0027] like Figure 2-3 As shown, in this embodiment, one end of the driving motor 204 is embedded in the motor base 203 ; both ends of the rotating shaft 201 pass through the motor substrate 103 , and the motor base 203 is fixedly installed on the outer surface of the motor substrate 103 .

[0028] During specific implementation, the motor base 203 is filled with insulation material to form a temperature isolation zone between the discharge barrel 102 and the drive motor 204. The connection between the rotating shaft 201 and the output end of the drive motor 204 is also interconnected through a connector made of insulation material to prevent the temperature of the asphalt mixture from affecting the drive motor 204. Example 2

[0029] On the basis of the first embodiment, in order to compensate for the fact that when the asphalt mixture is discharged from the discharge port 104 in the first embodiment, it falls on the road surface in a relatively linear arrangement and cannot be relatively evenly paved over the entire road surface.

[0030] like Figure 4As shown, in this embodiment, the material distribution structure 3 includes a material pipe base 301, a discharge pipe 302 is fixedly installed at the lower end of the material pipe base 301, a side outlet 303 is opened on one side of the lower end of the discharge pipe 302, and a guiding inclined bottom 304 is opened on the bottom side of the side outlet 303; a material distribution column 305 is fixedly installed at the lower end of the guiding inclined bottom 304, and material discharging springs 306 are fixedly installed on both sides of the material distribution column 305; the material pipe base 301 is fixedly installed at the bottom of the discharge barrel 102, and the discharge pipe 302 and the discharge port 104 are connected to each other.

[0031] During specific implementation, the mixed material discharged from the discharge port 104 is transported by the discharge pipe 302 and guided by the guiding inclined bottom 304, and is discharged from the side outlet 303 to the front of the moving direction of the overall structure. The mixed material discharged from the side outlet 303 is broken up by the front arc surface of the moving dividing column 305, and is diverted to both sides of the dividing column 305, and then is flattened by the material-dividing spring piece 306 to perform the material dividing work.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A 3D paving asphalt mixture laying device, comprising a material storage structure (1), characterized in that: A material shifting structure (2) is rotatably mounted on one side of the interior of the material storage structure (1), and a material distribution structure (3) is fixedly mounted on one side of the bottom of the material storage structure (1), wherein the number of the material distribution structures (3) is several. The material storage structure (1) comprises a material storage hopper (101), and a material discharge barrel (102) is fixedly mounted on one end of the material storage hopper (101), and a material discharge port (104) is provided on the bottom side of the internal part of the material discharge barrel (102). The material shifting structure (2) comprises a rotating shaft (201), and a bidirectional spiral blade (202) is fixedly wound on the side surface of the rotating shaft (201), and both ends of the rotating shaft (201) are fixedly connected to the output end of the driving motor (204).

2. A 3D asphalt mixture paving device according to claim 1, characterized in that: Motor base plates (103) are fixedly mounted on both ends of the material discharging barrel (102), and heating resistance wires (105) are embedded and mounted on the inner walls of the material storage hopper (101) and the material discharging barrel (102).

3. The 3D asphalt mixture paving device according to claim 2 is characterized in that: One end of the driving motor (204) is embedded in the motor base (203).

4. A 3D asphalt mixture paving device according to claim 3, characterized in that: The material distribution structure (3) comprises a material pipe base (301), a material discharge pipe (302) is fixedly mounted at the lower end of the material pipe base (301), a side outlet (303) is provided at one side of the lower end of the material discharge pipe (302), and a guiding inclined bottom (304) is provided at the bottom side of the side outlet (303).

5. The 3D asphalt mixture paving device according to claim 4 is characterized in that: A material distribution column (305) is fixedly mounted on the lower end of the guiding inclined bottom (304), and material dispensing spring pieces (306) are fixedly mounted on both sides of the material distribution column (305).

6. A 3D asphalt mixture paving device according to claim 5, characterized in that: Both ends of the rotating shaft (201) pass through the motor base plate (103), and the motor base (203) is fixedly mounted on the outer surface of the motor base plate (103).

7. The 3D paving asphalt mixture laying device according to claim 6 is characterized in that: The material pipe base (301) is fixedly mounted on the bottom of the material discharge barrel (102), and the material discharge pipe (302) and the material discharge port (104) are in communication with each other.

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