Asphalt concrete paver

Abstract

The utility model discloses an asphalt concrete paver. The asphalt concrete paver comprises a trailer, a first mounting rack and a second mounting rack, when asphalt concrete is paved, the device can be connected with traction equipment through the hook and dragged to move forwards through the traction equipment, the compaction roller is located behind the paving plate, the compaction roller rotates to drive the driving belt wheel to rotate, the driven belt wheel is driven to rotate through the connecting belt, and then the reciprocating lead screw is driven to rotate; according to the asphalt concrete spreading device, the spreading plate is driven through rotation of the compaction roller, extra power does not need to be provided, the structure is simpler, use is more convenient, more energy is saved, meanwhile, when the compaction roller rotates, the spreading plate is driven to move in a reciprocating mode, and the spreading plate is driven to move in a reciprocating mode. The beating ball moves back and forth along with rotation of the guide pipe to collide with the inner wall of the compaction roller, so that the vibration effect is generated, compaction is conducted while compaction is conducted, the working efficiency is improved, and then the paving efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pavers, in particular to an asphalt concrete paver. Background Art

[0002] A paver is a type of construction equipment mainly used for paving various materials on the base and surface layers of highways. It mainly includes a traveling system, a hydraulic system, etc.

[0003] After searching, it was found that the announcement number was CN219604105U, and the name was Asphalt Concrete Paver. The application proposed an application number 202123352403.7, and the name was An asphalt concrete paver has the problem that a fixed paving rake is difficult to evenly spread the piles of asphalt concrete. The paving is carried out by moving the paving claws, which improves the uniformity and work efficiency, and the asphalt concrete is compacted synchronously by the gravity roller.

[0004] The existing technology has the following problems:

[0005] 1. In actual use, the application has limited compaction efficiency because the gravity roller relies only on gravity for compaction, and can be further improved. At the same time, the application requires additional driving equipment in addition to the traction equipment, and the structure is relatively complex and energy-consuming, and can be further improved.

[0006] 2. The paving claws are solid plates as a whole. During the movement, it is easy to push the asphalt concrete material back and forth between the paving claws to form ridges. The paving uniformity needs to be improved.

[0007] To this end, we proposed an asphalt concrete paver to solve the above-mentioned drawbacks. Utility Model Content

[0008] The utility model aims to solve the shortcomings in the prior art and proposes an asphalt concrete paver.

[0009] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an asphalt concrete paver, including a trailer, a first mounting frame and a second mounting frame, the first mounting frame and the second mounting frame are fixedly installed on the bottom surface of the trailer, and a mounting seat is arranged between the first mounting frames, and a spreading plate is fixedly installed on the bottom surface of the mounting seat, a reciprocating screw is rotatably connected through the surface of the first mounting frame, and the reciprocating screw passes through the mounting seat and is threadedly connected to the mounting seat, and a driven pulley is fixedly installed at one end of the reciprocating screw, a compaction roller is rotatably connected between the second mounting frames, and a core shaft is fixedly connected to the central axis position of the compaction roller, and a driving pulley is fixedly connected to one end of the core shaft, the driving pulley is connected to the driven pulley through a connecting belt, a conduit is fixedly connected between the core shaft and the inner wall of the compaction roller, and a hitting ball is placed inside the conduit.

[0010] Preferably, the core shaft passes through the second mounting frame and is rotatably connected to the second mounting frame via a bearing, and the driving pulley is located outside the second mounting frame.

[0011] Preferably, a plurality of the conduits are arranged at equal angles along the central axis of the core shaft, and a plurality of groups of the conduits are arranged at equal intervals along the length direction of the core shaft.

[0012] Preferably, both ends of the reciprocating screw are rotatably connected to the first mounting frame via bearings, and the driven pulley is located outside the first mounting frame.

[0013] Preferably, the spreading plates are arranged in multiple groups at equal intervals, and the top surfaces of the spreading plates are integrally connected with fixing seats, and the fixing seats are fixedly connected to the bottom surfaces of the mounting seats by fixing bolts.

[0014] Preferably, the surface of the slab is densely and evenly provided with through holes, and the diameter of the through holes is larger than the maximum particle size of the coarse aggregate of the asphalt concrete.

[0015] Preferably, a guide rod is fixedly connected between the first mounting frames, and the guide rod passes through the mounting seat and is slidably connected to the mounting seat.

[0016] Preferably, a hook is fixedly connected to one end of the trailer near the first mounting frame.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The utility model adopts a compaction roller and a striking ball. When paving asphalt concrete, the device can be connected to the traction equipment through a hook and dragged forward by the traction equipment. The compaction roller is located behind the spreading plate. The rotation of the compaction roller drives the driving pulley to rotate, and the driven pulley is driven to rotate by the connecting belt, thereby driving the reciprocating screw to rotate. The rotation of the reciprocating screw drives the mounting seat threaded with the reciprocating screw to move back and forth, driving the spreading plate to move back and forth, and spreading the asphalt concrete. The device drives the spreading plate through the rotation of the compaction roller, and no additional power is required. The structure is simpler, the use is more convenient, and the energy saving is higher. At the same time, when the compaction roller rotates, the striking ball reciprocates with the rotation of the guide tube and collides with the inner wall of the compaction roller, thereby generating a vibration effect, which is vibrated while compacting, thereby improving work efficiency and thus improving paving efficiency.

[0019] (2) The utility model adopts a spreading board that is easy to disassemble. The top surface of the spreading board is integrally connected to the fixing seat, and the fixing seat is fixedly connected to the bottom surface of the mounting seat by fixing bolts. The staff can replace the damaged spreading board by removing the fixing bolts, thereby improving the convenience of maintenance and replacement. At the same time, the surface of the spreading board is densely provided with through holes to facilitate the passage of asphalt concrete, avoiding the problem of traditional solid structures that easily spread the asphalt concrete raw materials into ridges during the reciprocating movement, thereby further improving the uniformity of paving. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below.

[0021] Figure 1 This is a schematic diagram of the structure of the asphalt concrete paver proposed by the utility model;

[0022] Figure 2 A side view of the asphalt concrete paver proposed by the utility model;

[0023] Figure 3 This is a front view of the asphalt concrete paver proposed by the utility model;

[0024] Figure 4 This is a schematic diagram of the installation of the stall board proposed in the utility model.

[0025] Legend:

[0026] 1. Trailer; 2. First mounting frame; 3. Reciprocating screw; 4. Mounting seat; 5. Guide rod; 6. Fixed seat; 7. Spreader; 8. Through hole; 9. Hook; 10. Second mounting frame; 11. Compacting roller; 12. Conduit; 13. Mandrel; 14. Beating ball; 15. Connecting belt; 16. Driving pulley; 17. Driven pulley; 18. Fixing bolt. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0028] Please refer to Figure 1-4The asphalt concrete paver includes a trailer 1, a first mounting frame 2 and a second mounting frame 10, the first mounting frame 2 and the second mounting frame 10 are fixedly installed on the bottom surface of the trailer 1, and a mounting seat 4 is arranged between the first mounting frame 2, and a spreading plate 7 is fixedly installed on the bottom surface of the mounting seat 4, a reciprocating screw 3 is rotatably connected to the surface of the first mounting frame 2, and the reciprocating screw 3 passes through the mounting seat 4 and is threadedly connected to the mounting seat 4, and a driven pulley 17 is fixedly installed at one end of the reciprocating screw 3, a compaction roller 11 is rotatably connected between the second mounting frame 10, and a core shaft 13 is fixedly connected to the central axis position of the compaction roller 11, and a driving pulley 16 is fixedly connected to one end of the core shaft 13, and the driving pulley 16 is connected to the driven pulley 17 through a connecting belt 15, a conduit 12 is fixedly connected between the core shaft 13 and the inner wall of the compaction roller 11, and a hitting ball 14 is contained in the conduit 12.

[0029] In this embodiment: the hitting ball 14 is a solid steel ball. When paving asphalt concrete, the device can be connected to the traction equipment through the hook 9 and dragged forward by the traction equipment. The compaction roller 11 is located behind the spreading plate 7. The rotation of the compaction roller 11 drives the driving pulley 16 to rotate, and the driven pulley 17 is driven to rotate through the connecting belt 15, thereby driving the reciprocating screw 3 to rotate. The rotation of the reciprocating screw 3 drives the mounting base 4 threadedly connected to the reciprocating screw 3 to move back and forth, driving the spreading plate 7 to move back and forth, and spreading the asphalt concrete. The device drives the spreading plate 7 through the rotation of the compaction roller 11 without the need for additional power. The structure is simpler, the use is more convenient, and the energy saving is more obvious. At the same time, when the compaction roller 11 rotates, the hitting ball 14 moves back and forth with the rotation of the guide tube 12 and collides with the inner wall of the compaction roller 11, thereby generating a vibration effect, and vibrating while compacting, thereby improving work efficiency and thus improving paving efficiency.

[0030] Specifically, the core shaft 13 passes through the second mounting frame 10 and is rotatably connected to the second mounting frame 10 via a bearing, and the driving pulley 16 is located outside the second mounting frame 10 .

[0031] In this embodiment, the bearing limits the mandrel 13 to improve the rotation stability of the mandrel 13 and the compacting roller 11.

[0032] Specifically, a plurality of conduits 12 are arranged at equal angles along the central axis of the core shaft 13 , and a plurality of groups of conduits 12 are arranged at equal intervals along the length direction of the core shaft 13 .

[0033] In this embodiment, the striking balls 14 are arranged in multiple groups to improve the uniformity of striking vibration and work efficiency.

[0034] Specifically, both ends of the reciprocating screw rod 3 are rotatably connected to the first mounting frame 2 through bearings, and the driven pulley 17 is located outside the first mounting frame 2 .

[0035] In this embodiment, the bearing limits the reciprocating screw rod 3 to improve the rotation stability of the reciprocating screw rod 3 .

[0036] Specifically, a plurality of groups of spreading plates 7 are arranged at equal intervals, and the top surface of the spreading plates 7 is integrally connected with the fixing seat 6 , and the fixing seat 6 is fixedly connected to the bottom surface of the mounting seat 4 by fixing bolts 18 .

[0037] In this embodiment, the staff can replace the damaged spreading plate 7 by removing the fixing bolts 18, thereby improving the convenience of maintenance and replacement.

[0038] Specifically, the surface of the spreading plate 7 is densely and evenly provided with through holes 8, and the aperture of the through holes 8 is larger than the maximum particle size of the coarse aggregate of the asphalt concrete.

[0039] In this embodiment, the through holes 8 facilitate the passage of asphalt concrete, thereby avoiding the problem of the traditional solid structure easily spreading the asphalt concrete raw materials into ridges during the reciprocating movement, and further improving the uniformity of paving.

[0040] Specifically, a guide rod 5 is fixedly connected between the first mounting frames 2 , and the guide rod 5 passes through the mounting seat 4 and is slidably connected to the mounting seat 4 .

[0041] In this embodiment, the guide rod 5 is arranged in parallel with the reciprocating screw rod 3 to guide the movement of the mounting seat 4 .

[0042] Specifically, a hook 9 is fixedly connected to one end of the trailer 1 near the first mounting frame 2 .

[0043] In this embodiment, the hook 9 is convenient for hooking a tractor, which is a common structure in the art and will not be described in detail here.

[0044] Working principle: When paving asphalt concrete, the device can be connected to the traction equipment through the hook 9 and dragged forward by the traction equipment. The compaction roller 11 is located behind the spreading plate 7. The rotation of the compaction roller 11 drives the driving pulley 16 to rotate, and the driven pulley 17 is driven to rotate through the connecting belt 15, thereby driving the reciprocating screw 3 to rotate. The rotation of the reciprocating screw 3 drives the mounting base 4 threadedly connected to the reciprocating screw 3 to move back and forth, driving the spreading plate 7 to move back and forth, and spreading the asphalt concrete. The device drives the spreading plate 7 through the rotation of the compaction roller 11, without the need for additional power. The structure is simpler, the use is more convenient, and it is more energy-saving. At the same time, when the compaction roller 11 rotates, the striking ball 14 moves back and forth with the rotation of the guide tube 12 and collides with the inner wall of the compaction roller 11, thereby generating a vibration effect, and vibrating while compacting, thereby improving work efficiency and thus improving paving efficiency.

[0045] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. An asphalt concrete paver, comprising a trailer (1), a first mounting frame (2) and a second mounting frame (10), characterized in that: The bottom surface of the trailer (1) is fixedly mounted with a first mounting frame (2) and a second mounting frame (10), and a mounting seat (4) is provided between the first mounting frame (2), and a spreading plate (7) is fixedly mounted on the bottom surface of the mounting seat (4), a reciprocating screw rod (3) is rotatably connected to the surface of the first mounting frame (2), and the reciprocating screw rod (3) passes through the mounting seat (4) and is threadedly connected to the mounting seat (4), and a driven pulley (17) is fixedly mounted on one end of the reciprocating screw rod (3), and the A compaction roller (11) is rotatably connected between the second mounting frame (10), and a core shaft (13) is fixedly connected to the central axis position of the compaction roller (11), and one end of the core shaft (13) is fixedly connected to a driving pulley (16), and the driving pulley (16) is connected to a driven pulley (17) through a connecting belt (15), and a conduit (12) is fixedly connected between the core shaft (13) and the inner wall of the compaction roller (11), and a striking ball (14) is contained inside the conduit (12).

2. The asphalt concrete paver according to claim 1, characterized in that: The core shaft (13) passes through the second mounting frame (10) and is rotatably connected to the second mounting frame (10) via a bearing, and the driving pulley (16) is located outside the second mounting frame (10).

3. The asphalt concrete paver according to claim 1, characterized in that: A plurality of conduits (12) are arranged at equal angles along the central axis of the core shaft (13), and a plurality of groups of conduits (12) are arranged at equal intervals along the length direction of the core shaft (13).

4. The asphalt concrete paver according to claim 1, characterized in that: The two ends of the reciprocating screw rod (3) are rotatably connected to the first mounting frame (2) via bearings, and the driven pulley (17) is located outside the first mounting frame (2).

5. The asphalt concrete paver according to claim 1, characterized in that: The spreading plates (7) are arranged in multiple groups at equal intervals, and the top surface of the spreading plates (7) is integrally connected with a fixing seat (6), and the fixing seat (6) is fixedly connected to the bottom surface of the mounting seat (4) via fixing bolts (18).

6. The asphalt concrete paver according to claim 1, characterized in that: The surface of the spreading plate (7) is densely and evenly provided with through holes (8), and the diameter of the through holes (8) is larger than the maximum particle size of the coarse aggregate of the asphalt concrete.

7. The asphalt concrete paver according to claim 1, characterized in that: A guide rod (5) is fixedly connected between the first mounting frames (2), and the guide rod (5) passes through the mounting seat (4) and is slidably connected to the mounting seat (4).

8. The asphalt concrete paver according to claim 1, characterized in that: One end of the trailer (1) is fixedly connected with a hook (9) near the first mounting frame (2).

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