Pavement crack pouring equipment

By designing a road crack sealing device with a base plate, surrounding plate, and limiting ring structure, the problems of easy wear and low efficiency of crack sealing equipment have been solved, realizing efficient and automated crack sealing operation. It is applicable to various crack sealing gun models, improving crack sealing quality and equipment life.

CN224119415UActive Publication Date: 2026-04-14NINGXIA DECHENG CONSTR ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGXIA DECHENG CONSTR ENG CO LTD
Filing Date
2025-05-06
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing crack sealing equipment is easily damaged by friction during use, resulting in poor sealing quality and low efficiency. It is also difficult for workers to operate and requires multiple people to work together.

Method used

A road surface crack sealing device has been designed, including a base plate, a surrounding plate, and a limiting ring. The crack sealing gun can be detachably installed in the limiting ring. The base plate abuts against the ground, and the surrounding plate forms an asphalt pouring space. The limiting ring can accommodate various crack sealing guns, reduce wear, and automatically smooth the surface after sealing.

Benefits of technology

It improves the service life of crack sealing equipment, reduces the loss of crack sealing asphalt, improves crack sealing efficiency and quality, reduces the need for manpower, and is suitable for various crack sealing gun models.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224119415U_ABST
    Figure CN224119415U_ABST
Patent Text Reader

Abstract

The pavement crack pouring equipment comprises a bottom plate, an injection opening for crack pouring is formed in the bottom plate, a surrounding plate is arranged at the injection opening, limiting rings are installed on the two sides of the surrounding plate through rotating shafts, and crack pouring guns are detachably installed in the limiting rings; a fixing rod is further fixedly arranged on the bottom plate, a connecting rod is hinged to one end of the fixing rod, and a contact ball is arranged at one end of the connecting rod. The device can be suitable for crack pouring guns of various models, meanwhile, the crack pouring guns are lifted to a certain height, abrasion is reduced, the service life of the crack pouring guns is prolonged, a space can be formed in the crack pouring process, outward flowing of crack pouring asphalt can be reduced, the asphalt can be stricken after crack pouring, the asphalt flowing out can return to cracks, and the crack pouring quality is improved. Leveling treatment is not needed after crack pouring is completed, the crack pouring efficiency and quality are improved, and the crack pouring device is high in universality and wide in application range.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical technology, and in particular to a road surface crack sealing device. Background Technology

[0002] Road surface maintenance is a crucial measure to ensure the lifespan of highways. Due to weather conditions (temperature differences), road load, and other factors, numerous cracks appear. Rainfall can further exacerbate this, as seeds may germinate and spread, causing the cracks to widen and significantly deteriorate the road's quality. Therefore, crack sealing is an important maintenance measure. Crack sealing effectively prevents water from seeping into the road surface, reducing the formation of cracks and potholes. This not only improves road surface quality and lifespan but also effectively reduces maintenance costs and manpower resources.

[0003] Currently, crack sealing on the market mainly involves using machine-mounted or trolley-borne asphalt to seal cracks, which is then applied using a crack sealing gun. However, we have found that when the crack sealing gun is pressed against the crack, the sealing head is easily damaged by friction. Suspending the sealing equipment above the crack is impractical, as workers cannot sustain such work due to their arm strength. Furthermore, after sealing, someone still needs to use a brush roller to smooth the crack area. Therefore, we have proposed a road crack sealing device to solve the above problems. Utility Model Content

[0004] This application provides a road surface crack sealing device that solves the problems of easy wear and tear due to friction, poor sealing quality, and low efficiency of the crack sealing device.

[0005] This application provides a road surface crack sealing device, including a base plate, an injection port for sealing cracks is provided on the base plate, a surrounding plate is provided at the injection port, and limit rings are installed on both sides of the surrounding plate through a rotating shaft, and a crack sealing gun is detachably installed in the limit rings.

[0006] Preferably, a fixing rod is also fixedly provided on the base plate, one end of the fixing rod is hinged to a connecting rod, and one end of the connecting rod is provided with a contact ball.

[0007] Preferably, a screw is fixed on the base plate, and the bottom of the fixing rod is provided with a screw hole corresponding to the screw.

[0008] Preferably, a locking screw is provided on the limiting ring, and the locking screw extends into the limiting ring.

[0009] Preferably, a rubber layer is provided inside the limiting ring.

[0010] Preferably, the enclosure is V-shaped.

[0011] Preferably, one side of the enclosure is arc-shaped.

[0012] Preferably, the rotating shaft is mounted on the enclosure plate by a mounting pin.

[0013] As can be seen from the above technical solution, this application provides a road crack sealing device. When using this application, the nozzle of the crack sealing gun is inserted into the limiting ring and locked, so that when the user is standing normally, the nozzle of the crack sealing gun is tilted and does not contact the ground. Then, it is placed in the crack and the base plate is pressed against the ground. The crack sealing gun is turned on, and the crack sealing asphalt is injected into the space formed by the surrounding plate through the crack sealing gun. Then, the user moves along the crack path, and the crack sealing asphalt accumulated at the surrounding plate flows into the weld. During the movement of the surrounding plate and the base plate, the movement trajectory is smoothed. Compared with the crack sealing gun directly filling the crack, this application can not only ensure that enough asphalt flows into the crack to the maximum extent, but also perform smoothing treatment. Apart from other equipment control, only one person is needed to complete the crack sealing operation. After a period of use and wear, the base plate and the surrounding plate can be replaced. Furthermore, the base plate can be removed and replaced or a new base plate can be directly welded.

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

[0015] 1. By setting up the base plate and the surrounding plate, an asphalt pouring space is formed above the weld. The asphalt accumulates in this space and can flow into the gap better. At the same time, it also blocks the asphalt used for filling the gap, reducing the flow to the surrounding area.

[0016] 2. The limiting ring design allows for the use of various crack filling guns, making it suitable for crack filling equipment used by different maintenance teams. It is easy to fix and provides good protection for the crack filling gun.

[0017] In summary, this application is applicable to various types of crack-sealing guns. The crack-sealing gun is raised to a certain height, reducing wear and extending its service life. Furthermore, during the crack-sealing process, a space is created, which reduces the outflow of asphalt and allows for smoothing the asphalt after sealing, ensuring the outflowed asphalt returns to the crack. No leveling is required after sealing, improving efficiency and quality. This application also boasts high versatility and a wide range of applications. Attached Figure Description

[0018] To more clearly illustrate the technical solution of this application, the accompanying drawings used in the implementation examples will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained from these drawings without any creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a road crack sealing device proposed in this utility model;

[0020] Figure 2This is a schematic diagram showing the position of the locking screw structure of a road crack sealing device proposed in this utility model;

[0021] Figure 3 This is a schematic diagram showing the position of the screw structure in a road crack sealing device proposed in this utility model;

[0022] In the diagram: 1. Base plate, 2. Injection port, 3. Surrounding plate, 4. Rotating shaft, 5. Limiting ring, 6. Locking screw, 7. Fixing rod, 8. Connecting rod, 9. Contact ball, 10. Crack filling gun, 11. Mounting pin, 12. Screw. Detailed Implementation

[0023] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings.

[0024] See Figure 1-3 This application discloses a road surface crack sealing device, applicable to highway maintenance engineering, specifically for sealing cracks in highways to improve road service life and smoothness. It includes a base plate 1, which can be made of ordinary steel plate, ideally with a thickness of approximately 2mm, offering high durability, light weight, and low cost. The base plate 1 has a sealing inlet 2, which is directly cut from a round metal surface, specifically by laser or acetylene cutting. For large-scale production, a mold can be used for cutting via stamping. A surrounding plate 3 is provided at the sealing inlet 2, and the surrounding plate 3 is made of the same material as the base plate. The plate 1 is made of the same material and is welded onto the base plate 1. The surrounding plate 3 is made of bent steel plate. Limiting rings 5 ​​are installed on both sides of the surrounding plate 3 through rotating shafts 4. Two holes are opened in the surrounding plate 3 along the vertical direction of the axis of symmetry. The rotating shafts 4 are located in the two holes respectively. During installation, in the process of installing the limiting rings 5, the rotating shaft 4 on one side is first inserted into the hole of the surrounding plate 3, and then inserted into the other hole. The rotating shaft 4 is installed on the surrounding plate 3 through the mounting pin 11 to prevent the rotating shaft 4 from falling off. When it is necessary to remove it, the mounting pin 11 can be removed to remove the limiting ring 5. The grouting gun 10 can be detachably installed in the limiting ring 5.

[0025] During the grouting process, the base plate 1 rests against the ground, and the grouting gun 10 is used to drag the application along the crack. The grouting gun 10 is aimed at the crack and injects grouting asphalt into it. During the grouting process, a certain amount of grouting asphalt can be left to overflow from the crack. Subsequently, it is scraped into the crack through the surrounding plate 3 and the injection port 2. By using the two steps of injection and scraping, the efficiency and quality of grouting can be improved. At the same time, the base plate 1 provides stable support, allowing the user to drag the grouting gun 10 smoothly. Part of the grouting asphalt that accumulates at the surrounding plate 3 is absorbed into the crack, and part of it flows to the bottom of the base plate 1, forming a protective layer around the crack to prevent rainwater from seeping into the crack from the edges. It also protects the bottom of the base plate 1.

[0026] In this utility model, in order to further improve the quality of crack filling, a fixing rod 7 is also fixedly installed on the base plate 1. One end of the fixing rod 7 is hinged to a connecting rod 8, and one end of the connecting rod 8 is provided with a contact ball 9. When filling the crack, the contact ball 9 is dragged on the ground and will generate a certain vibration when it comes into contact with the ground. The vibration is transmitted to the base plate 1 through the fixing rod 7, thereby vibrating the asphalt in the enclosure 3, so that the asphalt can flow into the crack better.

[0027] In this utility model, a screw 12 is fixed on the base plate 1. The screw 12 is fixed to the base plate 1 by welding. The bottom of the fixing rod 7 is provided with a screw hole corresponding to the screw 12. The contact ball 9 is installed on the base plate 1 by threaded connection. Whether to install it can be selected according to the usage. At the same time, when replacing the base plate 1, the contact ball 9 can be removed and replaced.

[0028] In this utility model, in order to install grouting guns 10 of different specifications, a locking screw 6 is provided on the limiting ring 5. The locking screw 6 extends into the limiting ring 5. The grouting gun 10 is inserted into the limiting ring 5, and then the locking screw 6 is tightened to install the grouting gun 10. Then the grouting operation can be performed. Furthermore, a rubber layer is provided inside the limiting ring 5 to improve the anti-slip ability of the grouting gun 10 inside the limiting ring 5.

[0029] In this invention, the surrounding plate 3 is V-shaped. During the grouting process, the overflowing grouting asphalt can be gathered under the action of the surrounding plate 3 and re-enter the gap.

[0030] In this utility model, one side of the enclosure 3 is arc-shaped. Similarly, the arc shape can also cause the asphalt inside the enclosure 3 to gather towards the center, and scrape the asphalt flat and into the weld.

[0031] As can be seen from the above technical solution, when using this application, the nozzle of the grouting gun 10 is inserted into the limiting ring 5 and locked, so that when the user is standing normally, the nozzle of the grouting gun 10 is tilted and does not contact the ground. Then, it is placed in the gap, and the base plate 1 is pressed against the ground. The switch of the grouting gun 10 is turned on, and the grouting asphalt is injected into the space formed by the surrounding plate 3 through the grouting gun 10. Then, the user moves along the gap path, and the grouting asphalt accumulated at the surrounding plate 3 flows into the weld. During the movement of the surrounding plate 3 and the base plate 1, the movement trajectory is smoothed. Compared with the grouting gun 10 directly grouting, this application can not only ensure that enough asphalt flows into the gap to the maximum extent, but also perform smoothing treatment. Apart from other equipment control, only one person is needed to complete the grouting operation. After a period of use and wear, the base plate 1 and the surrounding plate 3 can be replaced. Furthermore, the base plate 1 can be removed and replaced or a new base plate 1 can be directly welded.

[0032] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope of this application is indicated by the claims.

[0033] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The embodiments of this application described above do not constitute a limitation on the scope of protection of this application.

Claims

1. A road surface crack sealing device, characterized in that: Includes a base plate (1), on which a grouting injection port (2) is provided, and a surrounding plate (3) is provided at the injection port (2). Limiting rings (5) are installed on both sides of the surrounding plate (3) via a rotating shaft (4). A grouting gun (10) is detachably installed inside the limiting rings (5).

2. The road surface crack sealing equipment according to claim 1, characterized in that, A fixing rod (7) is also fixedly installed on the base plate (1). A connecting rod (8) is hinged to one end of the fixing rod (7), and a contact ball (9) is provided at one end of the connecting rod (8).

3. The road surface crack sealing equipment according to claim 2, characterized in that, A screw (12) is fixed on the base plate (1), and the bottom of the fixing rod (7) is provided with a screw hole corresponding to the screw (12).

4. The road surface crack sealing equipment according to claim 1, characterized in that, A locking screw (6) is provided on the limiting ring (5), and the locking screw (6) extends into the limiting ring (5).

5. The road surface crack sealing equipment according to claim 4, characterized in that, A rubber layer is provided inside the limiting ring (5).

6. The road surface crack sealing equipment according to claim 1, characterized in that, The enclosure panel (3) is V-shaped.

7. The road surface crack sealing equipment according to claim 1, characterized in that, One side of the enclosure (3) is arc-shaped.

8. The road surface crack sealing equipment according to claim 1, characterized in that, The rotating shaft (4) is mounted on the enclosure (3) by a mounting pin (11).