Asphalt paving device for cement concrete pavement

By using an L-shaped cleaning component and a drive limiting mechanism in the asphalt overlay device for cement concrete pavement, the problem of incomplete asphalt cleaning on the flattening roller was solved, achieving effective collection and storage of asphalt and reducing waste, thus improving cleaning efficiency and reducing material waste.

CN223633761UActive Publication Date: 2025-12-05邵阳县公路建设养护中心
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520251984.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-12-05
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

When cleaning the rollers of existing cement concrete pavement asphalt overlay equipment, asphalt tends to stick to the ground, resulting in waste.

Method used

A cement concrete pavement asphalt overlay device is designed, which adopts an L-shaped cleaning component and a drive limiting mechanism. The moving block is moved by a servo motor driving a threaded rod. The cleaning component scrapes the asphalt on the flattening roller and collects it into the collection trough, reducing asphalt waste.

Benefits of technology

It effectively collects and reduces the probability of asphalt falling to the ground during the cleaning process, achieving initial collection and storage of asphalt and reducing waste, improving cleaning efficiency, achieving asphalt recycling efficiency, and reducing material waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223633761U_ABST
    Figure CN223633761U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of asphalt paving, and provides a cement concrete pavement asphalt paving device which comprises a frame, a storage box is mounted on the frame, a rotating rod is rotatably connected to the frame, two vertical plates are fixedly connected to the rotating rod, a flattening roller is fixedly connected between the two vertical plates, and threaded rods are rotatably connected to the two vertical plates. One end of the threaded rod is fixedly connected with the output end of the first servo motor, the threaded rod is in threaded connection with a moving block which slides on the flattening roller in an attached mode, a moving cleaning mechanism is arranged on the moving block, and a driving limiting mechanism is arranged between the moving cleaning mechanism and the moving block; the movable cleaning mechanism comprises two connecting rods rotationally connected to the movable block, a connecting plate is fixedly connected to the connecting rods, the free end of the connecting plate is fixedly connected with cleaning pieces, the section of each cleaning piece is in an L shape, and collecting grooves are formed in the ends, rotationally close to each other, of the two cleaning pieces.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bituminous paving technology field more specifically, especially, relates to a cement concrete pavement bituminous paving device. BACKGROUND

[0002] At present, in order to improve the quality of road, improve the comfort of the public to the road driving, the reconstruction of cement concrete pavement has been very common. In the way of reconstructing cement concrete pavement, mostly first cement concrete pavement is paved with bituminous concrete surface layer to form a kind of composite pavement.

[0003] The patent document with the publication number CN219508311U discloses a cement concrete pavement bituminous paving device, which comprises a box body, a rotating shaft is rotatably installed in the box body, a swing rod is fixedly connected to the rotating shaft, a flattening roller is fixedly connected to one end of the swing rod away from the rotating shaft, a cleaning component for cleaning the flattening roller is installed on the swing rod, the cleaning component comprises a reciprocating screw rotatably installed on the swing rod, a moving block sleeved on the reciprocating screw, a first cleaning plate installed on one side of the moving block and a second cleaning plate installed on the other side of the moving block, the moving block is threadedly connected with the reciprocating screw, and the first cleaning plate and the second cleaning plate are in contact with the flattening roller. The present application improves the problem of poor flatness of bituminous paving. However, when the flattening roller is cleaned, the bitumen adhered to the flattening roller will be scraped off to the ground by the cleaning plate under the action of gravity, causing waste. SUMMARY

[0004] The utility model discloses to overcome above-mentioned situation shortage, aims at providing a cement concrete pavement bituminous paving device, can collect the bitumen cleaned under the flattening roller, reduces waste.

[0005] A cement concrete pavement bituminous paving device, which comprises a vehicle frame, a storage tank is installed on the vehicle frame, and a rotating rod is rotatably connected to the vehicle frame, two vertical plates are fixedly connected to the rotating rod, a flattening roller is fixedly connected between the two vertical plates, a threaded rod is rotatably connected to the two vertical plates, one end of the threaded rod is fixedly connected to the output end of a first servo motor, a moving block is screwed on the threaded rod and slides on the flattening roller, a moving cleaning mechanism is arranged on the moving block, and a driving limiting mechanism is arranged between the moving cleaning mechanism and the moving block.

[0006] Further, a rubber strip is fixedly connected to the cleaning piece.

[0007] Further, one end of the rotating rod is fixedly connected to the output end of a second servo motor.

[0008] Furthermore, the drive limiting mechanism includes a horizontal plate, both ends of which are fixedly connected to toothed plates. Both toothed plates slide on the moving block, and a gear meshing with the toothed plates is fixedly connected to the connecting rod.

[0009] Furthermore, the drive limiting mechanism also includes a positioning plate fixed to the moving block, a connecting block fixed to the horizontal plate, a rod inserted into the connecting block, and a positioning hole formed on the positioning plate.

[0010] Furthermore, three positioning holes are provided along the length of the positioning plate.

[0011] Furthermore, the movable block has grooves on both sides, and the toothed plate slides within the grooves.

[0012] Furthermore, a pump is installed on the storage tank, the pump is connected to the discharge pipe, and the discharge pipe is connected to the discharge device fixedly installed on the frame.

[0013] Furthermore, a connecting rod is rotatably connected to the frame, and a connecting ring is fixed to the free end of the connecting rod.

[0014] Furthermore, the first servo motor, the extraction pump, and the second servo motor are all electrically connected to an external power supply.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] In this invention, before the asphalt adhering to the flattening roller solidifies, an L-shaped cleaning component is used. When the first servo motor drives the threaded rod to rotate and move the moving block, the cleaning component can scrape the asphalt adhering to the flattening roller into the L-shaped opening of the cleaning component, reducing the probability of the asphalt falling to the ground and simultaneously collecting the adhering asphalt. Since the cleaning component is arc-shaped inside, the asphalt can flow into the collection trough under the action of gravity. After the moving cleaning mechanism moves to the side, the two cleaning components are opened at a certain angle by the driving limiting mechanism. For example, if the two cleaning components are rotated 10 degrees away from each other, the container is placed under the collection trough, and the asphalt in the collection trough can fall into the container, reducing waste. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 A schematic diagram of the overall structure of an asphalt overlay device for cement concrete pavement. Figure 1 ;

[0019] Figure 2 A schematic diagram of the overall structure of an asphalt overlay device for cement concrete pavement. Figure 2 ;

[0020] Figure 3 This is a partial structural diagram of the flattening roller.

[0021] Figure 4 This is a schematic diagram of a mobile cleaning unit;

[0022] Figure 5 This is an exploded view of the drive limit mechanism.

[0023] In the diagram: 1. Frame; 2. Storage box; 3. Rotating rod; 4. Vertical plate; 5. Flattening roller; 6. Threaded rod; 7. First servo motor; 8. Moving block; 81. Slide groove; 9. Moving cleaning mechanism; 91. Connecting rod; 92. Connecting plate; 93. Cleaning component; 94. Collection trough; 95. Rubber strip; 10. Drive limit mechanism; 101. Horizontal plate; 102. Toothed plate; 103. Gear; 104. Positioning plate; 105. Connecting block; 106. Insert rod; 107. Positioning hole; 11. Extraction pump; 12. Discharge pipe; 13. Discharge device; 14. Connecting rod; 15. Connecting ring; 16. Second servo motor. Detailed Implementation

[0024] 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. Specific implementation examples:

[0026] like Figures 1-5As shown in the figure, a cement concrete pavement asphalt overlay device, including a frame 1, the frame 1 is installed with a storage tank 2, the storage tank 2 is used to store asphalt, the frame 1 is rotatably connected with a rotating rod 3 on the rear side of the storage tank 2, the rotating rod 3 is fixedly connected with two vertical plates 4, the two vertical plates 4 are fixedly connected with a flattening roller 5, the flattening roller 5 is used to flatten the asphalt discharged from the storage tank 2 to the pavement for paving, the two vertical plates 4 are rotatably connected with a threaded rod 6, one end of the threaded rod 6 is fixedly connected with the output end of a first servo motor 7 installed on any vertical plate 4, the other end of the threaded rod 6 is rotatably connected with the other vertical plate 4 through a bearing seat (not shown in the figure), the threaded rod 6 is threadedly connected with a moving block 8 slidingly fitted on the flattening roller 5, the moving block 8 is provided with a moving cleaning mechanism 9 for cleaning the asphalt adhered on the flattening roller 5, a driving limiting mechanism 10 is arranged between the moving cleaning mechanism 9 and the moving block 8 for driving the opening and closing of the moving cleaning mechanism 9; the moving cleaning mechanism 9 comprises two connecting rods 91 rotatably connected to the moving block 8, the two connecting rods 91 are fixedly connected with a connecting plate 92, the free end of the connecting plate 92 is fixedly connected with a cleaning piece 93, the cleaning piece 93 is arc-shaped as a whole, and the cross section of the cleaning piece 93 is L-shaped, the side of the two cleaning pieces 93 rotatably close to each other can be fitted on the surface of the flattening roller 5, and the end of the two cleaning pieces 93 rotatably close to each other is provided with a collecting groove 94, when the two cleaning pieces 93 are both fitted on the surface of the flattening roller 5, the two collecting grooves 94 can be closed. Before the asphalt adhered on the flattening roller 5 solidifies, by arranging the cleaning piece 93 with the L-shaped cross section, when the moving block 8 moves under the driving of the first servo motor 7, the cleaning piece 93 can scrape the asphalt adhered on the flattening roller 5 into the L-shaped opening of the cleaning piece 93, thereby reducing the probability of the asphalt falling to the ground and preliminarily collecting the asphalt adhered, since the inside of the cleaning piece 93 is arc-shaped, the asphalt can flow into the collecting groove 94 under the action of gravity, after the moving cleaning mechanism 9 moves aside, the two cleaning pieces 93 are opened by a certain angle through the driving of the driving limiting mechanism 10, for example, the two cleaning pieces 93 are rotated away from each other by ten degrees, a container is placed below the collecting groove 94, the asphalt in the collecting groove 94 can fall into the container, thereby reducing waste.

[0027] As Figures 1-5 shown, the cleaning piece 93 is fixedly connected with a rubber strip 95, the rubber strip 95 is fitted on the flattening roller 5 instead of the cleaning piece 93, thereby improving the cleaning effect of the asphalt.

[0028] As Figures 1-5 shown, one end of the rotating rod 3 is fixedly connected with the output end of a second servo motor 16 installed on the frame 1, through the driving of the second servo motor 16, the height of the flattening roller 5 from the pavement can be adjusted by the rotating rod 3, thereby paving the asphalt with different thicknesses on the pavement.

[0029] As Figures 1-5As shown, the driving limiting mechanism 10 comprises a cross plate 101, both ends of the cross plate 101 are fixedly connected with toothed plates 102, both toothed plates 102 slide on the moving block 8, and the driving limiting mechanism 10 further comprises a gear 103 fixedly connected with the connecting rod 91 and coaxial with the connecting rod 91, the gear 103 is engaged with the adjacent toothed plate 102, by pulling up and down the cross plate 101, the two toothed plates 102 drive the two gears 103 to rotate, so that the two connecting rods 91 drive the two cleaning pieces 93 to rotate to close or open.

[0030] As shown in the figure, Figures 1-5 The driving limiting mechanism 10 further comprises a positioning plate 104 fixedly connected with the moving block 8, the cross plate 101 is fixedly connected with a connecting block 105, the connecting block 105 is inserted with a plug rod 106, the positioning plate 104 is provided with a positioning hole 107, the insertion end of the plug rod 106 is adapted to the positioning hole 107, through the plug rod 106, the connecting block 105 and the positioning hole 107, the rotating position of the cleaning piece 93 can be fixed, which is helpful for the cleaning work.

[0031] As shown in the figure, Figures 1-5 The positioning hole 107 is provided with three along the length direction of the positioning plate 104, the uppermost positioning hole 107 corresponds to the closed state of the two cleaning pieces 93, at this time, the adhered asphalt on the flattening roller 5 can be moved and cleaned; the lowermost positioning hole 107 corresponds to the state that the two cleaning pieces 93 are respectively rotated and opened by one hundred and fifty degrees, at this time, the cleaning piece 93 is unfolded, which does not affect the flattening roller 5 to flatten the asphalt discharged from the storage tank 2; the middle positioning hole 107 corresponds to the state that the two cleaning pieces 93 are respectively rotated and opened by ten degrees, at this time, the collected asphalt in the collecting groove 94 can be cleaned (such as using a scraper).

[0032] As shown in the figure, Figures 1-5 Both sides of the moving block 8 are provided with sliding grooves 81, the toothed plates 102 slide in the sliding grooves 81, so as to avoid the toothed plates 102 from deviating.

[0033] As shown in the figure, Figures 1-5 The storage tank 2 is provided with a pumping pump 11, the pumping pump 11 is connected with a discharge pipe 12, the discharge pipe 12 is connected with a discharger 13 fixedly installed on the vehicle frame 1, the asphalt in the storage tank 2 is pumped out by the pumping pump 11, discharged by the discharger to the road surface, and then flattened by the flattening roller 5.

[0034] As shown in the figure, Figures 1-5 The front side of the vehicle frame 1 is rotatably connected with a connecting rod 14, the free end of the connecting rod 14 is fixedly connected with a connecting ring 15, the connecting ring 15 and the rope are connected with the transportation carrier, and the pulling device is used for paving asphalt on the road surface.

[0035] The first servo motor 7, the pumping pump 11 and the second servo motor 16 are electrically connected with an external power supply and a control unit (not shown in the figure).

[0036] The working principle of the cement concrete pavement asphalt overlay device in the embodiment is as follows: before the asphalt adhered on the flattening roller 5 solidifies, the two tooth plates 102 drive the two tooth gears 103 to rotate by pulling the horizontal plate 101 upwards, so that the two connecting rods 91 drive the two cleaning pieces 93 to rotate and close, and the inserting rod 106 is inserted into the connecting block 105 and the uppermost positioning hole 107, the cleaning piece 93 with the L-shaped cross section is arranged, when the moving block 8 is driven to move by the first servo motor 7 driving the threaded rod 6 to rotate, the cleaning piece 93 can scrape the asphalt adhered on the flattening roller 5 into the L-shaped opening of the cleaning piece 93, so as to reduce the probability of the asphalt falling to the ground and collect the asphalt preliminarily, since the cleaning piece 93 is arc-shaped, the asphalt can flow into the collecting groove 94 under the action of gravity, after the moving cleaning mechanism 9 moves to the side, the inserting rod 106 is pulled out, the two cleaning pieces 93 are opened by pulling the horizontal plate 101 downwards, a container is placed below the collecting groove 94, and the asphalt in the collecting groove 94 can fall into the container, so that the waste is reduced.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A cement concrete pavement asphalt overlay device, characterized in that: The system includes a frame (1), on which a storage box (2) is mounted and a rotating rod (3) is rotatably connected. Two upright plates (4) are fixedly connected to the rotating rod (3), and a flattening roller (5) is fixedly connected between the two upright plates (4). A threaded rod (6) is rotatably connected to the two upright plates (4). One end of the threaded rod (6) is fixedly connected to the output end of a first servo motor (7). A movable block (8) that slides against the flattening roller (5) is screwed onto the threaded rod (6). The movable block (8) is equipped with... A mobile cleaning mechanism (9) is provided, and a drive limiting mechanism (10) is provided between the mobile cleaning mechanism (9) and the mobile block (8); the mobile cleaning mechanism (9) includes two connecting rods (91) rotatably connected to the mobile block (8), a connecting plate (92) is fixedly connected to the connecting rods (91), the free end of the connecting plate (92) is fixedly connected to the cleaning component (93), the cross section of the cleaning component (93) is L-shaped, and a collection groove (94) is provided at the end where the two cleaning components (93) rotate close together.

2. The asphalt overlay device for cement concrete pavement according to claim 1, characterized in that: A rubber strip (95) is fixedly attached to the cleaning component (93).

3. The asphalt overlay device for cement concrete pavement according to claim 1, characterized in that: One end of the rotating rod (3) is fixedly connected to the output end of the second servo motor (16).

4. The asphalt overlay device for cement concrete pavement according to claim 1, characterized in that: The drive limiting mechanism (10) includes a horizontal plate (101), both ends of which are fixedly connected to toothed plates (102). Both toothed plates (102) slide on the moving block (8), and a gear (103) meshing with the toothed plates (102) is fixedly connected to the connecting rod (91).

5. The asphalt overlay device for cement concrete pavement according to claim 4, characterized in that: The drive limiting mechanism (10) further includes a positioning plate (104) fixed to the moving block (8), a connecting block (105) fixed to the horizontal plate (101), a plug rod (106) inserted into the connecting block (105), and a positioning hole (107) opened on the positioning plate (104).

6. The asphalt overlay device for cement concrete pavement according to claim 5, characterized in that: The positioning holes (107) are provided in three places along the length of the positioning plate (104).

7. The asphalt overlay device for cement concrete pavement according to claim 4, characterized in that: The movable block (8) has grooves (81) on both sides, and the toothed plate (102) slides in the grooves (81).

8. The asphalt overlay device for cement concrete pavement according to claim 3, characterized in that: The storage tank (2) is equipped with a pump (11), which is connected to the discharge pipe (12), and the discharge pipe (12) is connected to the discharge device (13) fixedly installed on the frame (1).

9. The asphalt overlay device for cement concrete pavement according to claim 1, characterized in that: A connecting rod (14) is rotatably connected to the frame (1), and a connecting ring (15) is fixed to the free end of the connecting rod (14).

10. The asphalt overlay device for cement concrete pavement according to claim 8, characterized in that: The first servo motor (7), the extraction pump (11), and the second servo motor (16) are all electrically connected to an external power supply.

Citation Information

Patent Citations

  • Asphalt paving device for cement concrete pavement

    CN219508311U