Foamed asphalt cold regeneration device

Abstract

The utility model relates to the technical field of foamed asphalt processing, and discloses a foamed asphalt cold regeneration device which comprises a crushing box, a rotating shaft is rotatably connected in the crushing box, a crushing roller is fixedly connected to the side wall of the rotating shaft, a protection assembly is arranged at the top of the crushing box, and a gear is fixedly connected to the side wall of the rotating shaft. A first motor is fixedly connected to the side wall of the crushing box, the output end of the first motor is fixedly connected to the side wall of the rotating shaft on one side, a discharging hopper is fixedly connected to the side wall of the crushing box, and a conveying pipe is fixedly connected to the side wall of the discharging hopper. According to the asphalt cold recycling device disclosed by the utility model, the crushing box, the rotating shaft, the crushing roller, the protective frame, the gear, the motor I, the discharging hopper, the toothed sword wheel II, the chain and other structures are matched, so that the effects of crushing and transporting asphalt are achieved, and the problems that part of asphalt cold recycling devices are relatively single in structure and large asphalt blocks are inconvenient to crush are solved; through the structure, the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of foamed asphalt processing, in particular to a foamed asphalt cold regeneration device. Background Art

[0002] Foamed asphalt is a special pavement construction material that is made by injecting air or nitrogen into asphalt to form bubbles, giving asphalt better performance and adaptability. Foamed asphalt is commonly used in a variety of applications in pavement construction, including roadbed stabilization, pavement repair and new pavement construction. Cold regeneration equipment is a device used to regenerate old asphalt pavement. Compared with traditional hot regeneration equipment, cold regeneration equipment can work at a lower temperature, reducing energy consumption and environmental impact.

[0003] A Chinese patent document with a search announcement number of CN217698754U discloses a foamed asphalt cold recycled mixture stirring device, which belongs to the field of foamed asphalt processing technology and is composed of a base, a hopper, a three-axis stirring mechanism, a discharging mechanism and a driving mechanism. The hopper is fixedly connected to the upper end of the base, the three-axis stirring mechanism is arranged in the hopper, and is used to stir the foamed asphalt. The discharging mechanism is arranged on the lower side of the hopper, and is used to uniformly discharge the foamed asphalt. The driving mechanism is arranged on the upper side of the base, and is connected with the three-axis stirring mechanism and the discharging mechanism to achieve driving the three-axis stirring mechanism and the discharging mechanism to work simultaneously; the foamed asphalt is stirred by three stirring blades, and the semi-double-axis stirring is effectively improved. Among the three stirring blades, the stirring teeth at different positions are staggered with each other to increase the stirring space and make the mixing more uniform. The screw conveyor and the stirring blades are driven synchronously, which is convenient for the staff to operate. However, the patent does not take into account the problem that directly stirring and mixing the asphalt will lead to poor mixing effect when there are larger particles. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a foamed asphalt cold regeneration device, which aims to improve the problem that some asphalt cold regeneration devices have a relatively simple structure and are not convenient for crushing large pieces of asphalt.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foamed asphalt cold regeneration device, comprising a crushing box, a rotating shaft rotatably connected inside the crushing box, a crushing roller fixedly connected to the side wall of the rotating shaft, a protective component is arranged on the top of the crushing box, a gear is fixedly connected to the side wall of the rotating shaft, the gears are meshed with each other, a motor 1 is fixedly connected to the side wall of the crushing box, an output end of the motor 1 is fixedly connected to the side wall of the rotating shaft on one side, a discharging hopper is fixedly connected to the side wall of the crushing box, a transport pipe is fixedly connected to the side wall of the discharging hopper, a rotating column is rotatably connected inside the transport pipe, an auger blade 1 is fixedly connected to the side wall of the rotating column, a toothed sword wheel 1 is fixedly connected to the side wall of the rotating column, a toothed sword wheel 2 is fixedly connected to the side wall of the rotating shaft on one side, and a chain is arranged between the toothed sword wheel 1 and the toothed sword wheel 2.

[0006] Through the above technical solution, the effect of crushing and transporting old asphalt is achieved.

[0007] Furthermore, the protection assembly comprises a protection frame, and side walls of the protection frame are fixedly connected to the inside of the crushing box.

[0008] The above technical solution can avoid the situation where the workers collide with the crushing box when feeding materials.

[0009] Furthermore, the side wall of the transport pipe is fixedly connected to a mixing box, and the side wall of the transport pipe penetrates through the side wall of the mixing box and extends to the interior.

[0010] Through the above technical solution, the effect of transporting asphalt to the inside of the mixing box is achieved.

[0011] Furthermore, a box cover is provided on the upper surface of the mixing box, and a second motor is fixedly connected to the upper surface of the box cover.

[0012] Through the above technical solution, the effect of fixing the second motor is achieved.

[0013] Furthermore, the second output end of the motor is fixedly connected with a connecting shaft, and the side wall of the connecting shaft is fixedly connected with a rotating rod.

[0014] Through the above technical solution, the effect of driving the rotating rod to rotate is achieved.

[0015] Furthermore, a baffle is fixedly connected between the rotating rods, and a concave hole is opened inside the baffle.

[0016] Through the above technical solution, the effect of breaking up the materials is achieved.

[0017] Furthermore, the side wall of the connecting shaft is fixedly connected with a second auger blade, and the second auger blade is arranged in the middle of the side wall of the connecting shaft.

[0018] Through the above technical solution, the effect of transporting the asphalt at the bottom of the mixing box to the top is achieved.

[0019] Furthermore, a side wall of the auger blade fits with the interior of the transport pipe.

[0020] Through the above technical solution, the conveying effect is improved and the blockage is avoided.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, through the coordination among the crushing box, the rotating shaft, the crushing roller, the protective frame, the gear, the motor 1, the discharging hopper, the transport pipe, the rotating column, the auger blade 1, the toothed sword wheel 1, the toothed sword wheel 2 and the chain, the effect of crushing and transporting large pieces of asphalt is achieved, and the problem that some asphalt cold regeneration devices have a relatively simple structure and are not convenient for crushing large pieces of asphalt is solved. The practicability of the equipment is improved through the above structure.

[0023] 2. In the utility model, the effect of sufficient stirring and mixing is achieved through the cooperation between the second motor, the connecting shaft, the rotating rod, the baffle, the concave hole and the second auger blade, which solves the problem that some asphalt cold regeneration devices have a relatively simple structure and only use a single stirring rod for stirring, resulting in slow mixing efficiency. The mixing efficiency of the equipment is improved through the above structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A stereoscopic diagram of a foamed asphalt cold regeneration device proposed by the utility model;

[0025] Figure 2 This is a structural diagram of a crushing box of a foamed asphalt cold regeneration device proposed by the utility model;

[0026] Figure 3 This is a box cover structure diagram of a foamed asphalt cold regeneration device proposed by the utility model.

[0027] Legend:

[0028] 1. Crushing box; 2. Rotating shaft; 3. Crushing roller; 4. Protective frame; 5. Gear; 6. Motor 1; 7. Discharge hopper; 8. Transport pipe; 9. Rotating column; 10. Auger blade 1; 11. Toothed sword wheel 1; 12. Toothed sword wheel 2; 13. Chain; 14. Mixing box; 15. Box cover; 16. Motor 2; 17. Connecting shaft; 18. Rotating rod; 19. Baffle; 20. Concave hole; 21. Auger blade 2. DETAILED DESCRIPTION

[0029] 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.

[0030] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a foamed asphalt cold regeneration device, including a crushing box 1, a rotating shaft 2 is rotatably connected inside the crushing box 1, a crushing roller 3 is fixedly connected to the side wall of the rotating shaft 2, a protective component is arranged on the top of the crushing box 1, a gear 5 is fixedly connected to the side wall of the rotating shaft 2, the gears 5 are meshed, a motor 6 is fixedly connected to the side wall of the crushing box 1, an output end of the motor 6 is fixedly connected to the side wall of the rotating shaft 2 on one side, a discharge hopper 7 is fixedly connected to the side wall of the crushing box 1, a transport pipe 8 is fixedly connected to the side wall of the discharge hopper 7, a rotating column 9 is rotatably connected inside the transport pipe 8, a screw blade 10 is fixedly connected to the side wall of the rotating column 9, a toothed sword wheel 11 is fixedly connected to the side wall of the rotating column 9, a toothed sword wheel 2 12 is fixedly connected to the side wall of the rotating shaft 2 on one side, a chain 13 is arranged between the toothed sword wheel 11 and the toothed sword wheel 2 12, and the protective component includes a protective frame 4, and the side wall of the protective frame 4 is fixedly connected to the inside of the crushing box 1.

[0031] When the device is used, the operator pours the old asphalt to be crushed into the crushing box 1. Next, by starting the motor 6, the rotating shaft 2 on one side starts to rotate, and under the meshing action of the gear 5, the rotating shaft 2 on the other side is further driven to rotate. When the rotating shafts 2 on both sides work synchronously, the crushing rollers 3 driven by them begin to mesh and rotate, crushing larger asphalt particles, and the crushed asphalt particles will naturally fall into the inside of the transport pipe 8. At the same time, when the rotating shaft 2 is rotating, it will also drive the toothed sword wheel 2 12 to rotate, and under the transmission action of the chain 13, it further drives the toothed sword wheel 11 to rotate, and finally drives the rotation of the auger blade 10 through the rotating column 9. The rotation of the auger blade 10 allows the asphalt inside the transport pipe 8 to be effectively transported to the inside of the mixing box 14.

[0032] Reference Figure 3A mixing box 14 is fixedly connected to the side wall of the transport pipe 8, and the side wall of the transport pipe 8 passes through the side wall of the mixing box 14 and extends to the inside. A box cover 15 is provided on the upper surface of the mixing box 14, and a motor 2 16 is fixedly connected to the upper surface of the box cover 15. A connecting shaft 17 is fixedly connected to the output end of the motor 2 16, and a rotating rod 18 is fixedly connected to the side wall of the connecting shaft 17. A baffle 19 is fixedly connected between the rotating rods 18, and a concave hole 20 is opened inside the baffle 19. An auger blade 21 is fixedly connected to the side wall of the connecting shaft 17, and the auger blade 21 is arranged in the middle of the side wall of the connecting shaft 17. The side wall of the auger blade 10 fits with the inside of the transport pipe 8.

[0033] By starting the second motor 16, the connecting shaft 17 can be driven to rotate. Through the continuous rotation of the rotating rod 18 and the baffle 19, the asphalt can be fully stirred inside the mixing box 14. The concave hole 20 opened inside the baffle 19 enables the baffle 19 to generate shear force when rotating. This shear force can break up the asphalt, further increase the contact area between the asphalt and the stirring medium, and thus accelerate the mixing process of the asphalt. This breaking up effect not only improves the mixing efficiency, but also ensures that the various components in the asphalt are evenly distributed. At the same time, during the rotation of the connecting shaft 17, it will also drive the second auger blade 21 to rotate, which can gradually push the asphalt at the bottom of the mixing box 14 to the top, forming a circulating flow process. This flow mode can not only make the asphalt evenly distributed in the vertical direction, but also form convection in the horizontal direction, further enhancing the mixing effect of the asphalt.

[0034] Working principle: When using the equipment to work, first place the old asphalt to be crushed inside the crushing box 1, and then start the motor 16 to drive the rotating shaft 2 on one side to rotate, and drive the rotating shaft 2 on the other side to rotate under the action of the meshing of the gear 5. When the rotating shafts 2 on both sides drive the crushing rollers 3 to rotate in engagement, larger asphalt particles will be crushed, and the crushed asphalt will fall into the interior of the transport pipe 8. When the rotating shaft 2 rotates, it will drive the toothed sword wheel 2 12 to rotate, and drive the toothed sword wheel 1 11 to rotate under the action of the chain 13, thereby driving the auger blade 10 to rotate through the rotating column 9, and transporting the asphalt inside the transport pipe 8 to the interior of the mixing box 14. At this time, the mixing box 14 is heated, and then the connecting shaft 17 is driven to rotate by the starting motor 2 16, and the asphalt inside the mixing box 14 is stirred and mixed through the rotating rod 18 and the baffle 19. When the connecting shaft 17 rotates, it will drive the auger blade 2 21 to rotate, thereby moving the asphalt at the bottom of the mixing box 14 to the top, achieving the effect of fully mixing the asphalt.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foamed asphalt cold regeneration device, comprising a crushing box (1), characterized in that: The crushing box (1) is rotatably connected to a rotating shaft (2) inside, a crushing roller (3) is fixedly connected to the side wall of the rotating shaft (2), a protective component is arranged on the top of the crushing box (1), a gear (5) is fixedly connected to the side wall of the rotating shaft (2), the gears (5) are meshed with each other, a motor (6) is fixedly connected to the side wall of the crushing box (1), an output end of the motor (6) is fixedly connected to one side wall of the rotating shaft (2), a discharge hopper (7) is fixedly connected to the side wall of the discharging hopper (7), a transport pipe (8) is fixedly connected to the side wall of the discharge hopper (7), a rotating column (9) is rotatably connected to the inside of the transport pipe (8), a screw blade (10) is fixedly connected to the side wall of the rotating column (9), a toothed sword wheel (11) is fixedly connected to the side wall of the rotating column (9), a toothed sword wheel (2) (12) is fixedly connected to the side wall of the rotating shaft (2), and a chain (13) is arranged between the toothed sword wheel (11) and the toothed sword wheel (12).

2. A foamed asphalt cold regeneration device according to claim 1, characterized in that: The protection assembly comprises a protection frame (4), the side wall of the protection frame (4) being fixedly connected to the inside of the crushing box (1).

3. A foamed asphalt cold regeneration device according to claim 1, characterized in that: The side wall of the transport pipe (8) is fixedly connected to a mixing box (14), and the side wall of the transport pipe (8) penetrates the side wall of the mixing box (14) and extends to the interior.

4. A foamed asphalt cold regeneration device according to claim 3, characterized in that: The upper surface of the mixing box (14) is provided with a box cover (15), and the upper surface of the box cover (15) is fixedly connected to a second motor (16).

5. A foamed asphalt cold regeneration device according to claim 4, characterized in that: The output end of the second motor (16) is fixedly connected to a connecting shaft (17), and the side wall of the connecting shaft (17) is fixedly connected to a rotating rod (18).

6. A foamed asphalt cold regeneration device according to claim 5, characterized in that: A baffle (19) is fixedly connected between the rotating rods (18), and a concave hole (20) is provided inside the baffle (19).

7. A foamed asphalt cold regeneration device according to claim 6, characterized in that: The side wall of the connecting shaft (17) is fixedly connected with a second auger blade (21), and the second auger blade (21) is arranged in the middle of the side wall of the connecting shaft (17).

8. The foamed asphalt cold regeneration device according to claim 1, characterized in that: The side wall of the auger blade (10) is in contact with the interior of the transport pipe (8).

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