Asphalt concrete pavement paving device

Abstract

The utility model discloses an asphalt concrete pavement paving device, which relates to the technical field of road construction and comprises a storage bin, a feeding hopper is fixed in the middle of the upper side of the storage bin, a material uniformizing component is mounted in the storage bin, a material guide cylinder is fixed on the lower side of the storage bin, asphalt concrete is poured into the storage bin through the feeding hopper, and the material guide cylinder is fixed on the lower side of the storage bin. The first motor drives the filling roller to rotate, the filling roller drives the two spiral blades to rotate, and due to the fact that the spiral directions of the two spiral blades are opposite, the function of dispersing asphalt concrete towards the two sides can be achieved, so that the asphalt concrete can be evenly discharged, manual digging is not needed, the labor intensity of workers is reduced, and when the paving thickness needs to be adjusted, the second motor is started, and the paving thickness is adjusted. After meshing transmission and belt transmission, the gear can be driven to rotate, and the gear is meshed to drive the rack to ascend or descend, so that the distance between the discharging barrel and a roadbed can be adjusted, the paving thickness of an asphalt concrete pavement can be effectively controlled, secondary material supplementing or paving is not needed, and the construction efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of road construction technology, and in particular to an asphalt concrete pavement paving device. Background Technology

[0002] Asphalt concrete mixture is an asphalt mixture that meets technical standards, made by mixing aggregates of appropriate proportions of coarse aggregates, fine aggregates and fillers that conform to the specified gradation with asphalt binder. The technical specifications for hot-mix asphalt mixtures formulated in China stipulate that asphalt concrete is defined as having a void ratio of 10% or less, and is further subdivided into Type I and Type II. Type I has a void ratio of 2-6% and is classified as a dense gradation type, while Type II has a void ratio of 6-10% and is classified as a semi-open gradation type. Asphalt macadam with a void ratio of more than 10% is called asphalt macadam and is classified as an open gradation type.

[0003] Chinese Patent Publication No. CN217104614U discloses a high-precision asphalt concrete pavement paving device, including side supports, a spiral roller and a paving roller connected between the side supports for paving asphalt, and a dispersion mechanism located in front of the side supports for dispersing the accumulated asphalt. The dispersion mechanism includes a support rod installed at the front end of the side supports, a rotating mechanism rotatably connected to the support rod, a dispersion plate circumferentially distributed at the lower end of the rotating mechanism, and a driving mechanism for driving the dispersion plate to rotate. This allows the dispersion plate to disperse the upper part of the accumulated asphalt to both sides during the rotation and forward movement, facilitating the subsequent paving by the spiral roller and the paving roller, improving the efficiency of pavement paving, and making it more convenient to use.

[0004] The aforementioned technologies, such as the rotating mechanism and the dispersing plate, can only achieve the leveling effect and cannot accurately control the paving thickness. This forces workers to perform secondary material replenishment or spreading after the equipment is installed. Therefore, this utility model discloses an asphalt concrete pavement paving device to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide an asphalt concrete pavement paving device to solve the problem mentioned in the background art that traditional asphalt concrete pavement paving equipment cannot accurately control the paving thickness, which forces workers to perform secondary material replenishment or paving after the equipment construction.

[0006] To achieve the above objectives, the present invention provides the following solution to the aforementioned technical problems:

[0007] An asphalt concrete pavement paving device includes a storage bin, a feeding hopper fixed at the upper center of the storage bin, a material leveling component installed inside the storage bin, a guide cylinder fixed at the lower side of the storage bin, and a discharge cylinder slidably sleeved on the outer side of the bottom end of the guide cylinder. A lifting component is connected between the storage bin, the guide cylinder, and the discharge cylinder to adjust the height of the guide cylinder relative to the roadbed.

[0008] As a further embodiment of this utility model, the lifting assembly includes a rectangular frame located on the end face of the unloading cylinder, a concentric shaft rotatably embedded in the side wall of the guide cylinder, and a complete gear and a first pulley fixedly sleeved on the outer side of the concentric shaft. A rack is fixedly provided on one side of the rectangular frame, and the rack meshes with the complete gear.

[0009] As a further embodiment of this utility model, the lifting assembly further includes a transmission box and two support seats fixed on the storage silo. A drive shaft is rotatably connected between the two side walls of the transmission box. The two ends of the drive shaft pass through the two support seats and are fixedly connected to second pulleys. A transmission belt is connected between the second pulleys and the adjacent first pulleys. A second motor is fixedly connected to one side of the transmission box. The output end of the second motor extends into the transmission box and is fixedly connected to a first bevel gear. The first bevel gear meshes with a second bevel gear. The second bevel gear is fixedly sleeved on the outer side of the drive shaft located in the transmission box.

[0010] As a further embodiment of this utility model, the material leveling assembly includes a filling roller rotatably connected to both ends of the storage bin. Both ends of the filling roller are fixedly fitted with helical blades, and the helical directions of the two helical blades are arranged in opposite directions. A first motor is fixedly connected to one side of the storage bin, and the output end of the first motor passes through the storage bin and is fixedly connected to one end of the filling roller.

[0011] As a further embodiment of this utility model, two triangular plates are fixedly connected to one side of the storage bin, and an assembly plate is fixedly connected to the side of the triangular plates away from the storage bin. Assembly holes are provided at both ends of the assembly plate.

[0012] As a further embodiment of this utility model, external protrusions are fixedly provided on both sides of the bottom end of the guide cylinder, and internal protrusions corresponding to the external protrusions are fixed on both sides of the upper end of the unloading cylinder.

[0013] As a further embodiment of this utility model, scale lines are provided on both end faces of the guide cylinder, and the scale lines are partially obscured by the unloading cylinder.

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

[0015] 1. This utility model relates to an asphalt concrete pavement paving device. Asphalt concrete is poured into the storage bin through the feed hopper. The first motor drives the filling roller to rotate, and the filling roller drives two spiral blades to rotate. Since the two spiral blades rotate in opposite directions, they can disperse the asphalt concrete to both sides, so that the asphalt concrete can be discharged evenly without manual material removal, thus reducing the labor intensity of workers.

[0016] 2. This utility model discloses an asphalt concrete pavement paving device. When the paving thickness needs to be adjusted, the second motor is started. After meshing and belt transmission, the gear can be driven to rotate. The gear meshing drives the rack to rise or fall, thereby adjusting the distance between the unloading cylinder and the roadbed. This can effectively control the paving thickness of the asphalt concrete pavement, eliminating the need for secondary material replenishment or paving, and improving construction efficiency. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is an external view of an asphalt concrete pavement paving device according to the present invention;

[0019] Figure 2 This is a structural diagram of the unloading cylinder in an asphalt concrete pavement paving device according to the present invention;

[0020] Figure 3 This utility model provides an asphalt concrete pavement paving device. Figure 1 Enlarged view of the structure at point A in the middle;

[0021] Figure 4 This is a cross-sectional view of the transmission box in an asphalt concrete pavement paving device according to the present invention.

[0022] Figure 5 This is a front sectional view of an asphalt concrete pavement paving device according to the present invention;

[0023] Figure 6 This utility model relates to an asphalt concrete pavement paving device. Figure 5 Enlarged view of the structure at point B.

[0024] The components represented by each number in the attached diagram are listed below: 1. Storage bin; 11. Triangular plate; 12. Assembly plate; 13. Assembly hole; 2. Feed hopper; 3. Material leveling assembly; 31. Filling roller; 32. Spiral blade; 33. First motor; 4. Guide cylinder; 41. Outer protrusion; 42. Scale line; 5. Discharge cylinder; 51. Inner protrusion; 6. Lifting assembly; 61. Rectangular frame; 611. Rack; 62. Concentric shaft; 621. Complete gear; 622. First pulley; 63. Transmission box; 631. Second motor; 632. First bevel gear; 633. Second bevel gear; 64. Support base; 65. Drive shaft; 651. Second pulley; 652. Transmission belt. Detailed Implementation

[0025] The present invention will be further described below with reference to the embodiments.

[0026] Please see Figure 1-6This utility model provides an asphalt concrete pavement paving device, including a storage bin 1, a feeding hopper 2 fixed in the middle of the upper side of the storage bin 1, two triangular plates 11 fixedly connected to one side of the storage bin 1, and an assembly plate 12 fixedly connected to the side of the triangular plates 11 away from the storage bin 1, and assembly holes 13 are provided at both ends of the assembly plate 12.

[0027] Specifically, the storage bin 1 is screwed to the rear of the load equipment. The combination of the triangular plate 11 and the mounting plate 12 can provide additional support for the storage bin 1, so that the paving device can move forward slowly with the load equipment. The moving speed of the load equipment needs to be determined according to the paving efficiency of the paving device.

[0028] Furthermore, a material leveling assembly 3 is installed inside the storage bin 1. The material leveling assembly 3 includes a filling roller 31 rotatably connected to both ends of the storage bin 1. Both ends of the filling roller 31 are fixedly fitted with spiral blades 32, and the spiral directions of the two spiral blades 32 are arranged in opposite directions. A first motor 33 is fixedly connected to one side of the storage bin 1. The output end of the first motor 33 passes through the storage bin 1 and is fixedly connected to one end of the filling roller 31.

[0029] Specifically, the first motor 33 drives the filling roller 31 to rotate, and the filling roller 31 drives the two spiral blades 32 to rotate. Since the two spiral blades 32 rotate in opposite directions, they can disperse the asphalt concrete to both sides, so that the asphalt concrete can flow evenly into the guide cylinder 4.

[0030] Furthermore, a guide cylinder 4 is fixed on the lower side of the storage bin 1, and a discharge cylinder 5 is slidably sleeved on the outer side of the bottom end of the guide cylinder 4. External protrusions 41 are fixed on both sides of the bottom end of the guide cylinder 4, and internal protrusions 51 corresponding to the external protrusions 41 are fixed on both sides of the upper end of the discharge cylinder 5.

[0031] Specifically, the inner protrusion 51 is located on the moving path of the outer protrusion 41, which can prevent the unloading cylinder 5 from completely detaching from the guide cylinder 4, thus ensuring construction safety.

[0032] Furthermore, scale lines 42 are provided on both end faces of the guide cylinder 4, and the scale lines 42 are partially blocked by the unloading cylinder 5.

[0033] Specifically, the height of the unloading cylinder 5 is determined by observing the unobstructed scale line 42, eliminating the need for manual measurement and improving the convenience of construction.

[0034] Furthermore, a lifting assembly 6 is connected between the storage bin 1, the guide cylinder 4, and the unloading cylinder 5 to adjust the height of the guide cylinder 4 relative to the roadbed. The lifting assembly 6 includes a rectangular frame 61 located on the end face of the unloading cylinder 5, a concentric shaft 62 rotatably embedded in the side wall of the guide cylinder 4, and a complete gear 621 and a first pulley 622 fixedly sleeved on the outside of the concentric shaft 62. A rack 611 is fixedly provided on one side of the rectangular frame 61, and the rack 611 meshes with the complete gear 621.

[0035] Specifically, the meshing of the gear 621 drives the rack 611 to rise or fall, which can adjust the distance between the unloading cylinder 5 and the roadbed. The asphalt concrete falls from the bottom of the unloading cylinder 5 onto the horizontal roadbed. Due to its own viscosity and the support of the aggregate, the excess asphalt concrete in the unloading cylinder 5 will not continue to flow out. When the unloading cylinder 5 moves forward, the asphalt concrete continues to fall, and the paving thickness remains consistent.

[0036] Furthermore, the lifting assembly 6 also includes a transmission box 63 fixed on the storage bin 1 and two support seats 64. A drive shaft 65 is rotatably connected between the two side walls of the transmission box 63. The two ends of the drive shaft 65 pass through the two support seats 64 and are fixedly connected to second pulleys 651. A transmission belt 652 is connected between the second pulley 651 and the adjacent first pulley 622. A second motor 631 is fixedly connected to one side of the transmission box 63. The output end of the second motor 631 extends into the transmission box 63 and is fixedly connected to a first bevel gear 632. The first bevel gear 632 meshes with a second bevel gear 633. The second bevel gear 633 is fixedly sleeved on the outer part of the drive shaft 65 located in the transmission box 63.

[0037] Specifically, the second motor 631 drives the first bevel gear 632 to rotate, the first bevel gear 632 drives the second bevel gear 633 to rotate, the second bevel gear 633 drives the drive shaft 65 to rotate, the drive shaft 65 drives the second pulley 651 to rotate, the second pulley 651 drives the first pulley 622 to rotate through the transmission belt 652, and the first pulley 622 drives the complete gear 621 to rotate, thus realizing one belt for multiple transmissions.

[0038] Working principle: During use, asphalt concrete is poured into the storage bin 1 through the feed hopper 2. The first motor 33 drives the filling roller 31 to rotate, which in turn drives the two spiral blades 32 to rotate. Since the two spiral blades 32 rotate in opposite directions, they can disperse the asphalt concrete to both sides, allowing the asphalt concrete to flow into the guide cylinder 4. The asphalt concrete in the guide cylinder 4 is then evenly spread on the road surface through the discharge cylinder 5, and the spreading thickness is consistent with the height difference between the discharge cylinder 5 and the roadbed. When the spreading thickness needs to be adjusted, the second motor 631 drives... The first bevel gear 632 rotates, which drives the second bevel gear 633 to rotate. The second bevel gear 633 drives the drive shaft 65 to rotate, which in turn drives the second pulley 651 to rotate. The second pulley 651 drives the first pulley 622 to rotate via the transmission belt 652. The first pulley 622 drives the full gear 621 to rotate. The full gear 621 meshes and drives the rack 611 to rise or fall, thereby adjusting the distance between the unloading cylinder 5 and the roadbed. This effectively controls the paving thickness of the asphalt concrete pavement and improves construction efficiency.

Claims

1. An asphalt concrete pavement paving device, comprising a storage bin (1), characterized in that, A feeding hopper (2) is fixed in the middle of the upper side of the storage bin (1). A material leveling component (3) is installed inside the storage bin (1). A guide cylinder (4) is fixed in the lower side of the storage bin (1). A discharge cylinder (5) is slidably sleeved on the outer side of the bottom end of the guide cylinder (4). A lifting component (6) is connected between the storage bin (1), the guide cylinder (4) and the discharge cylinder (5) to adjust the height of the guide cylinder (4) relative to the roadbed.

2. The asphalt concrete pavement paving device according to claim 1, characterized in that: The lifting assembly (6) includes a rectangular frame (61) located on the end face of the unloading cylinder (5), a concentric shaft (62) rotatably embedded in the side wall of the guide cylinder (4), and a complete gear (621) and a first pulley (622) fixedly sleeved on the outside of the concentric shaft (62). A rack (611) is fixedly provided on one side of the rectangular frame (61), and the rack (611) meshes with the complete gear (621).

3. The asphalt concrete pavement paving device according to claim 2, characterized in that: The lifting assembly (6) also includes a transmission box (63) and two support seats (64) fixed on the storage bin (1). A drive shaft (65) is rotatably connected between the two side walls of the transmission box (63). The two ends of the drive shaft (65) pass through the two support seats (64) and are fixedly connected to a second pulley (651). A transmission belt (652) is connected between the second pulley (651) and the adjacent first pulley (622). A second motor (631) is fixedly connected to one side of the transmission box (63). The output end of the second motor (631) extends into the transmission box (63) and is fixedly connected to a first bevel gear (632). The first bevel gear (632) meshes with the second bevel gear (633). The second bevel gear (633) is fixedly sleeved on the outer part of the drive shaft (65) located in the transmission box (63).

4. An asphalt concrete pavement paving device according to claim 1, characterized in that: The material leveling assembly (3) includes a filling roller (31) rotatably connected to both ends of the storage bin (1). Both ends of the filling roller (31) are fixedly fitted with spiral blades (32), and the spiral directions of the two spiral blades (32) are opposite. A first motor (33) is fixedly connected to one side of the storage bin (1). The output end of the first motor (33) passes through the storage bin (1) and is fixedly connected to one end of the filling roller (31).

5. An asphalt concrete pavement paving device according to claim 1, characterized in that: Two triangular plates (11) are fixedly connected to one side of the storage bin (1). An assembly plate (12) is fixedly connected to the side of the triangular plate (11) away from the storage bin (1). Assembly holes (13) are opened at both ends of the assembly plate (12).

6. An asphalt concrete pavement paving device according to claim 1, characterized in that: The bottom two sides of the guide cylinder (4) are fixedly provided with external protrusions (41), and the upper two sides of the unloading cylinder (5) are fixed with internal protrusions (51) corresponding to the external protrusions (41).

7. An asphalt concrete pavement paving device according to claim 1, characterized in that: The guide cylinder (4) has scale lines (42) on both sides of its end face, and the scale lines (42) are partially blocked by the unloading cylinder (5).

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