Paving device for road hardening

The mechanical structure that drives the compaction block to reciprocate up and down through an eccentric disc solves the problem of plastic deformation and wear caused by high-frequency impact loads on the bidirectional threaded rod, thereby improving the stability and service life of the compaction mechanism and ensuring the continuity of long-term, high-frequency compaction operations.

CN224531404UActive Publication Date: 2026-07-21CHONGQING JUDE CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING JUDE CONSTR ENG CO LTD
Filing Date
2025-06-03
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

In the existing technology, the bidirectional threaded rod is subjected to high-frequency impact loads during the compaction process, which makes the thread teeth prone to plastic deformation, wear or fracture, affecting the service life and the continuity of the compaction work.

Method used

The mechanical structure employs an eccentric disc to drive the compaction blocks in a reciprocating motion. By setting the eccentric disc at different positions, the two compaction blocks are alternately driven to compact the ground, forming a dynamic and complementary compaction effect, thus avoiding the high-frequency impact problem of the thread teeth.

Benefits of technology

This improved the service life and operational stability of the compaction mechanism, ensured the continuity of long-term, high-frequency compaction operations, and extended the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of paving devices for road hardening, it is related to the technical field of laying material and compacting or finishing road surface.The utility model discloses a kind of paving devices for road hardening, including paving vehicle, the top of paving vehicle is provided with through slot, paving structure is provided on paving vehicle, road ramming structure, road ramming structure is located on paving vehicle, road ramming structure includes driving motor, support frame, rotating shaft and two eccentric discs, support frame is fixedly connected at the bottom of paving vehicle, reciprocating motion mechanical structure of ramming block up and down is driven by eccentric disc rotation, to avoid the plastic deformation, wear or fracture problem caused by high-frequency impact load of thread tooth, two eccentric discs are driven by the setting of different positions, two ramming blocks are alternately rammed to ground, form dynamic complementary compaction effect, to further improve the service life and working stability of ramming mechanism, ensure the continuity of long-term high-frequency ramming operation.
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Description

Technical Field

[0001] This utility model relates to the technical field of laying materials and compacting or repairing road surfaces, and in particular to a paving device for road surface hardening. Background Technology

[0002] Road surface refers to one or more layers of road structure paved with road construction materials on top of the roadbed, allowing vehicles to drive directly on its surface. These layered structures, constructed with road construction materials on the roadbed, serve to bear vehicle weight, resist wheel wear, and maintain the smoothness of the road surface. Chinese utility model patent, authorized announcement number "CN221608548U", discloses a paving device for road surface hardening. Through the coordinated use of a mounting box, a two-way threaded rod, a connecting lug, a second motor, a sleeve, and a connecting rod, a compaction block is raised and lowered. The compaction block compacts the road surface, improving its mechanical strength and stability, while simultaneously reducing the workload of workers, avoiding secondary leveling, and improving the efficiency of road paving.

[0003] While the aforementioned technical solution can use a bidirectional threaded rod to drive the compaction block to compact the road surface, the bidirectional threaded rod is subjected to high-frequency impact loads during the compaction process, which makes the thread teeth prone to plastic deformation, wear, or even breakage. This affects subsequent compaction work and results in a low service life for the bidirectional threaded rod. Therefore, we propose a paving device for road hardening. Utility Model Content

[0004] The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and to provide a paving device for road hardening. This device can solve the problem that although a bidirectional threaded rod can be used to drive a compaction block to compact the road surface, the bidirectional threaded rod will be subjected to high-frequency impact loads during the compaction process, which makes the thread teeth prone to plastic deformation, wear or even breakage, thus affecting the subsequent compaction work and resulting in a low service life of the bidirectional threaded rod.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a paving device for road hardening, comprising:

[0006] The paver has a through-slot on its top and a paving structure on its body.

[0007] The road surface compaction structure is located on the paver.

[0008] The road compaction structure includes a drive motor, a support frame, a rotating shaft, and two eccentric discs. The support frame is fixedly connected to the bottom of the paver, and the drive motor is fixedly installed on one side of the support frame. The output end of the drive motor extends into the interior of the support frame and is fixedly connected to the rotating shaft. The two eccentric discs are fixedly sleeved on the outer surface of the rotating shaft. The bottom of the support frame has four through holes, and a connecting rod is slidably connected inside each of the four through holes.

[0009] Preferably, the road surface compaction structure further includes two connecting plates and two compaction blocks. The two compaction blocks are fixedly connected to the bottom of the corresponding two connecting rods, the two connecting plates are fixedly connected to the top of the corresponding two connecting rods, and the two eccentric discs are in contact with the bottom of the corresponding connecting plates.

[0010] Preferably, the paving structure includes a material box, a rotating motor, and a discharge rack. The material box is fixedly connected to the top of the paver, and the discharge end of the material box passes through the paver and is located at the bottom of the paver. The rotating motor is fixedly installed on one side of the material box, and the output end of the rotating motor extends rotatably into the interior of the material box and is fixedly connected to the discharge rack. The discharge rack is rotatably connected to the interior of the material box.

[0011] Preferably, the paving structure further includes two electric telescopic rods, a limiting cover, and a paving roller. The two electric telescopic rods are fixedly installed on the top of the paver. The telescopic ends of the two electric telescopic rods slide through the paver and are fixedly connected to the limiting cover. The paving roller is rotatably connected inside the limiting cover, and the discharge end of the material box is located inside the limiting cover.

[0012] Preferably, a vibration motor is fixedly installed on one side of the material box near the two electric telescopic rods.

[0013] Preferably, a storage battery is fixedly installed on the top of the paver.

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

[0015] 1. This paving device for road hardening uses a mechanical structure that drives the compaction blocks to reciprocate up and down through the rotation of an eccentric disc. This avoids the problems of plastic deformation, wear, or fracture of the thread teeth caused by high-frequency impact loads. The two eccentric discs are set in different positions to drive the two compaction blocks to compact the ground alternately, forming a dynamic and complementary compaction effect. This improves the service life and working stability of the compaction mechanism and ensures the continuity of long-term high-frequency compaction operations. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the electric telescopic pole structure of this utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the material box of this utility model;

[0020] Figure 4 This is a schematic diagram of the support frame structure of this utility model.

[0021] Reference numerals in the attached drawings: 1. Paver; 2. Material hopper; 3. Vibratory motor; 4. Limiting cover; 5. Electric telescopic rod; 6. Paver roller; 7. Through groove; 8. Drive motor; 9. Support frame; 10. Compacted block; 11. Rotary motor; 12. Discharge rack; 13. Battery; 14. Connecting rod; 15. Eccentric disc; 16. Connecting plate; 17. Rotating shaft; 18. Through hole. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0025] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0026] Please see Figure 1-4 This utility model provides a technical solution: a paving device for road hardening, comprising:

[0027] The paver 1 has a through groove 7 on its top and a paving structure on its top.

[0028] The road surface compaction structure is located on paver 1;

[0029] The road compaction structure includes a drive motor 8, a support frame 9, a rotating shaft 17, and two eccentric discs 15. The support frame 9 is fixedly connected to the bottom of the paver 1. The drive motor 8 is fixedly installed on one side of the support frame 9. The output end of the drive motor 8 extends into the interior of the support frame 9 and is fixedly connected to the rotating shaft 17. The two eccentric discs 15 are fixedly sleeved on the outer surface of the rotating shaft 17. The bottom of the support frame 9 has four through holes 18, and a connecting rod 14 is slidably connected inside each of the four through holes 18.

[0030] The road compaction structure also includes two connecting plates 16 and two compaction blocks 10. The two compaction blocks 10 are fixedly connected to the bottom of the corresponding two connecting rods 14, and the two connecting plates 16 are fixedly connected to the top of the corresponding two connecting rods 14. The two eccentric discs 15 are in contact with the bottom of the corresponding connecting plates 16.

[0031] The paving structure includes a material box 2, a rotating motor 11, and a material discharge frame 12. The material box 2 is fixedly connected to the top of the paver 1. The discharge end of the material box 2 passes through the paver 1 and is located at the bottom of the paver 1. The rotating motor 11 is fixedly installed on one side of the material box 2. The output end of the rotating motor 11 rotates and extends into the interior of the material box 2 and is fixedly connected to the material discharge frame 12. The material discharge frame 12 is rotatably connected to the interior of the material box 2.

[0032] The paving structure also includes two electric telescopic rods 5, a limiting cover 4, and a paving roller 6. The two electric telescopic rods 5 are fixedly installed on the top of the paver 1. The telescopic ends of the two electric telescopic rods 5 slide through the paver 1 and are fixedly connected to the limiting cover 4. The paving roller 6 is rotatably connected inside the limiting cover 4. The discharge end of the material box 2 is located inside the limiting cover 4. A vibration motor 3 is fixedly installed on the side of the material box 2 near the two electric telescopic rods 5. A battery 13 is fixedly installed on the top of the paver 1.

[0033] Furthermore, when using the device, the rotating motor 11 is started, which drives the material discharge frame 12 to rotate inside the material box 2, thereby conveying hardened materials such as concrete from the bottom of the material box 2 onto the road surface. The two electric telescopic rods 5 are started, and the height of the limiting cover 4 is adjusted by the two electric telescopic rods 5, thereby controlling the distance between the paving roller 6 and the road surface. When the paver 1 moves, the material will fall between the limiting covers 4. The paving roller 6 rolls and pushes the material to spread evenly. At the same time, the vibrating motor 3 vibrates the material box 2 to prevent material from accumulating and blocking.

[0034] When the road surface is compacted, the drive motor 8 is started, which drives the rotating shaft 17 to rotate. The rotation of the rotating shaft 17 will drive the two eccentric disks 15 to rotate. When the two eccentric disks 15 rotate, they will generate periodic impacts on the connecting plate 16, which will be transmitted to the compaction block 10 through the connecting rod 14. This will cause the two compaction blocks 10 to move up and down reciprocally under the drive of the corresponding eccentric disks 15. Through the different settings of the two eccentric disks 15, the two compaction blocks 10 can alternately compact the ground.

[0035] The storage battery 13 provides power to the drive motor 8, the rotary motor 11, the vibration motor 3, and the electric telescopic rod 5.

[0036] The mechanical structure that drives the tamping block 10 to reciprocate up and down through the rotation of the eccentric disk 15 avoids the problems of plastic deformation, wear or fracture of the thread teeth caused by high-frequency impact load. The two eccentric disks 15 are set in different positions to drive the two tamping blocks 10 to tamp the ground alternately, forming a dynamic complementary compaction effect, thereby improving the service life and working stability of the tamping mechanism and ensuring the continuity of long-term high-frequency tamping operations.

[0037] Structural Description: Paver 1: As the main load-bearing body of the entire road hardening paving device, it provides the installation foundation and operating space for each component, ensuring the overall stability and mobility of the device;

[0038] Material bin 2: Used to store asphalt mixture or cement-based materials to be paved. It is the initial storage container for raw materials to ensure the continuity of paving operations.

[0039] Vibration motor 3: Installed on the side of material box 2 near electric telescopic rod 5, it eliminates raw material segregation through high-frequency vibration, ensures uniform material discharge, and improves paving quality;

[0040] Limiting cover 4: It is fixedly connected to the telescopic end of the electric telescopic rod 5, and restricts the lateral spread of raw materials through the side plate to ensure a constant paving width and assist the paving roller 6 in achieving precise paving;

[0041] Electric telescopic rod 5: It is fixedly installed on the top of the paver 1, and the telescopic end slides through the paver 1 and is fixedly connected to the limiting cover 4. It is used to drive the limiting cover 4 to rise and fall vertically and adjust the paving thickness.

[0042] Paving roller 6: Rotatably connected inside the limiting cover 4, it rolls forward with the paver 1 to initially compact the raw material and form a uniform road base;

[0043] Channel 7: Located on the top of the paver 1, it provides a channel for the discharge end of the material box 2, so that the raw materials can be smoothly transported to the bottom of the paver roller 6;

[0044] Drive motor 8: It is fixedly installed on one side of the support frame 9, and its output end extends into the support frame 9 and is fixedly connected to the rotating shaft 17 to provide power for the rotation of the eccentric disk 15.

[0045] Support frame 9: Fixedly connected to the bottom of the paver 1, it provides installation support for components such as drive motor 8, rotating shaft 17, and eccentric disc 15, ensuring the stability of the compaction structure;

[0046] Compactor block 10: It is fixedly connected to the bottom of the connecting rod 14 and is driven to move up and down reciprocally by the rotation of the eccentric disk 15 to compact the ground at high frequency and improve the road surface compaction.

[0047] Rotary motor 11: It is fixedly installed on one side of the material box 2. Its output end extends into the inside of the feeding box 2 and is fixedly connected to the discharge rack 12. It drives the discharge rack 12 to rotate and realize the quantitative conveying of raw materials.

[0048] Discharge rack 12: Rotatably connected inside the material box 2, it conveys the raw material from the discharge end of the material box 2 to the bottom of the paving roller 6 by rotating, and controls the discharge amount and discharge speed;

[0049] Battery 13: Fixedly installed on the top of the paver 1, it provides power support for components such as drive motor 8, vibratory motor 3, and electric telescopic rod 5, ensuring the normal operation of the device;

[0050] Connecting rod 14: It is slidably connected inside the through hole 18 at the bottom of the support frame 9, with the top end fixedly connected to the connecting plate 16 and the bottom end fixedly connected to the compaction block 10, transmitting the rotational motion of the eccentric disk 15 as the up-and-down reciprocating motion of the compaction block 10.

[0051] Eccentric disc 15: It is fixedly sleeved on the outer surface of the rotating shaft 17. It drives the connecting plate 16 and the connecting rod 14 to move up and down through rotation, thereby driving the compaction block 10 to compact the ground. The two eccentric discs 15 are set at different positions to form a dynamic complementary compaction effect.

[0052] Connecting plate 16: It is fixedly connected to the top of the connecting rod 14 and contacts the bottom of the eccentric disk 15, converting the rotational motion of the eccentric disk 15 into the up-and-down reciprocating motion of the connecting rod 14.

[0053] Rotating shaft 17: It is fixedly connected to the output end of the drive motor 8, rotates inside the support frame 9, drives the eccentric disk 15 to rotate, and provides power transmission for the up-and-down reciprocating motion of the compaction block 10.

[0054] Through hole 18: It is opened at the bottom of the support frame 9 to provide a sliding channel for the connecting rod 14, so that the connecting rod 14 can move vertically up and down to drive the compaction block 10 to compact the ground.

[0055] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A paving device for road surface hardening, characterized in that, include: A paver (1) has a through slot (7) on its top and a paving structure on its top. The road surface compaction structure is located on the paver (1); The road compaction structure includes a drive motor (8), a support frame (9), a rotating shaft (17), and two eccentric discs (15). The support frame (9) is fixedly connected to the bottom of the paver (1). The drive motor (8) is fixedly installed on one side of the support frame (9). The output end of the drive motor (8) rotates and extends into the interior of the support frame (9) and is fixedly connected to the rotating shaft (17). Two eccentric discs (15) are fixedly sleeved on the outer surface of the rotating shaft (17), and four through holes (18) are opened at the bottom of the support frame (9). Connecting rods (14) are slidably connected inside the four through holes (18).

2. The paving device for road hardening according to claim 1, characterized in that: The road surface compaction structure also includes two connecting plates (16) and two compaction blocks (10), with the two compaction blocks (10) fixedly connected to the bottom of the corresponding two connecting rods (14); Two connecting plates (16) are fixedly connected to the top of the corresponding two connecting rods (14), and two eccentric discs (15) are in contact with the bottom of the corresponding connecting plates (16).

3. A paving device for road surface hardening according to claim 1, characterized in that: The paving structure includes a material box (2), a rotating motor (11), and a material discharge frame (12). The material box (2) is fixedly connected to the top of the paver (1), and the discharge end of the material box (2) passes through the paver (1) and is located at the bottom of the paver (1). Among them, the rotating motor (11) is fixedly installed on one side of the material box (2). The output end of the rotating motor (11) rotates and extends into the inside of the feeding box (2) and is fixedly connected to the discharge rack (12). The discharge rack (12) is rotatably connected to the inside of the material box (2).

4. A paving device for road hardening according to claim 3, characterized in that: The paving structure also includes two electric telescopic rods (5), a limiting cover (4), and a paving roller (6). The two electric telescopic rods (5) are fixedly installed on the top of the paver (1). The telescopic ends of the two electric telescopic rods (5) slide through the paver (1) and are fixedly connected to the limiting cover (4). The paving roller (6) is rotatably connected inside the limiting cover (4). The discharge end of the material box (2) is located inside the limiting cover (4).

5. A paving device for road surface hardening according to claim 4, characterized in that: A vibration motor (3) is fixedly installed on one side of the material box (2) near the two electric telescopic rods (5).

6. A paving device for road hardening according to claim 1, characterized in that: A battery (13) is fixedly installed on the top of the paver (1).