Old road repair crack filling and sealing device

By introducing a filler support and a stamping wheel assembly into a handheld filling device, combined with a design that uses an excitation motor to drive an eccentric wheel, the problems of filler overflow and bulky equipment are solved, achieving convenient gap filling and compaction effects.

CN224160958UActive Publication Date: 2026-04-24CHINA HARBOUR ENGINEERING
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHINA HARBOUR ENGINEERING
Filing Date
2025-05-22
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

Traditional handheld road sealing equipment often results in sealant overflowing from the crack surface during use, and the rollers are heavy and bulky, making them inconvenient to transport and operate.

Method used

A crack filling device for old road repair was designed. It adopts a handheld filler combined with a filler support, equipped with rollers and a stamping wheel group. The eccentric wheel is driven by an excitation motor to generate excitation force, so as to compact the filling agent on the surface of the crack and reduce overflow.

Benefits of technology

It improves the compaction effect of the sealant, and the device is small in size and light in weight, making it easy to carry and operate, and ensuring a smooth surface in the cracks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a crack filling and sealing device for old road repair, which relates to the technical field of old road repair and comprises a handheld filling and sealing device, a filling and sealing device support is mounted at the lower end of the handheld filling and sealing device, two rollers are rotatably connected to the lower portion of the filling and sealing device support, and the lower portion of the filling and sealing device support is rotatably connected with the hand-held filling and sealing device. Two support guide rails with the sections of L-shaped structures are fixedly connected to the upper portion of the filling and sealing device support, exciting force is generated through rotation of an eccentric wheel, the exciting force in the vertical direction is applied to a floating punching table and a punching wheel set, a wheel body of the punching wheel set is made to apply regular vibration on the upper surface of a gap, the compaction effect on a filling and sealing agent in the gap is further improved, and the filling and sealing effect of the filling and sealing device is improved. Compared with traditional large-size and heavy-weight compaction equipment, the compaction structure of the filling and sealing device is small in size and light in weight, can also have an efficient flattening effect, is more convenient to carry and operate, and solves the problems that a traditional road roller flattens the surface of a gap under the action of self gravity, is large in weight and size, and is not convenient enough to transport and operate.
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Description

Technical Field

[0001] This utility model relates to the field of old road repair technology, and in particular to an old road repair crack sealing device. Background Technology

[0002] Road crack sealing is a maintenance procedure for road surface cracks. Using specialized sealing equipment, polymer sealant or asphalt-based repair materials are injected into the cracks. After cooling, a waterproof barrier forms, preventing moisture penetration, inhibiting crack expansion, and extending the road's service life. The process includes crack cleaning, heating the sealing material, pressure injection, and surface finishing. It is suitable for repairing cracks in various asphalt pavements, achieving road structural reinforcement and surface sealing through material filling. It is an important preventative maintenance measure for roads.

[0003] Traditional handheld road sealing equipment uses a crack sealant heating device to pump the heated crack sealant into the crack sealing pipe and inject it into the road crack. After the crack sealing is completed, some crack sealant overflows from the surface of the road crack and needs to be flattened by a road roller. However, traditional road rollers flatten the surface of the crack by their own gravity, which makes them heavy and bulky, and inconvenient to transport and operate. Utility Model Content

[0004] This utility model discloses a crack sealing device for old road repair, which solves the problem that when using traditional handheld road sealing equipment, the crack sealant is heated to liquid and pumped into the crack sealing pipe through a crack sealing device and injected into the crack. After the crack sealing is completed, some crack sealant overflows from the surface of the road crack and needs to be flattened by a road roller. However, traditional road rollers rely on their own gravity to flatten the crack surface, which results in large weight and volume, and inconvenient transportation and operation.

[0005] The first aspect of this disclosure provides a crack filling device for old road repair, specifically comprising: a handheld filler, a filler support mounted on the lower end of the handheld filler, two rollers rotatably connected below the filler support, two support rails with an "L"-shaped cross-section fixedly connected above the filler support, a limit plate slidably connected above the filler support, the edge of the limit plate slidably connected to the support rails, and a floating stamping platform mounted behind the filler support via a support rod. A stamping table guide rod is fixedly connected to the lower surface of the stamping table. The stamping table guide rod is slidably connected to the rear support rod of the filling device support. The lower end of the stamping table guide rod and the lower rear end of the floating stamping table are both fixedly connected to a stamping wheel assembly. A stamping table support spring is sleeved on the stamping table guide rod. The lower end of the stamping table support spring is fixedly connected to the upper surface of the stamping wheel assembly. The upper end of the stamping table support spring is fixedly connected to the support plate of the filling device support. An exciter motor is fixedly connected inside the floating stamping table. An eccentric wheel is fixedly connected to the end of the shaft of the exciter motor.

[0006] Furthermore, three rollers are rotatably connected below the stamping wheel assembly, and the distance between the three rollers is equal.

[0007] Furthermore, two limiting rings are fixedly connected to the outer surface of the tube of the handheld potting device, and the two limiting rings are respectively attached to the upper surface of the limiting plate and the lower surface of the potting device support.

[0008] Furthermore, the front edge of the potting device support is provided with a "U"-shaped potting device mounting port, and the potting device support is provided with a support pin hole running longitudinally through it. The potting device mounting port fits into the outer surface of the handheld potting device.

[0009] Furthermore, the left edge of the limiting insert plate has a U-shaped insert plate slot, and the limiting insert plate has a vertically penetrating insert plate pin hole. A positioning pin is inserted into both the insert plate pin hole and the support pin hole. The inner surface of the insert plate slot is in contact with the outer surface of the handheld potting device.

[0010] Furthermore, the eccentric wheel is a wheel with a semi-circular cross-section, and the axis of the eccentric wheel is parallel to the ground.

[0011] This utility model provides a crack sealing device for repairing cracks in old roads, which has the following beneficial effects:

[0012] This invention improves upon the handheld crack filling gun by installing a filling device support at the bottom of the gun and equipping it with rollers, making the filling position easier to control and adjust. The lower end of the handheld filling device slides along the top of the crack, increasing filling stability. The handheld filling device and the filling device support are connected via a snap-fit ​​between the filling device mounting port and the insert plate slot. This connection method is simple and stable, preventing the handheld filling device from easily detaching from the support and facilitating quick disassembly of the handheld filling device, thus simplifying device maintenance and repair.

[0013] In addition, a set of pressing wheels is provided. During the crack filling process, as the crack filling device moves along the road, the pressing wheels of the pressing wheel set roll through the crack, pressurizing the crack filling agent on the surface of the crack to prevent the crack filling agent from overflowing onto the surface of the crack. At the same time, the eccentric wheel is driven to rotate by the excitation motor. The rotation of the eccentric wheel generates an excitation force, which applies a vertical excitation force to the floating pressing table and the pressing wheel set. This causes the wheels of the pressing wheel set to apply regular vibration to the upper surface of the crack, further improving the compaction effect of the filling agent in the crack. Compared with traditional large-volume and heavy compaction equipment, the compaction structure of this filling device is small in size and light in weight, yet it can still achieve a highly efficient flattening effect, and is more convenient to carry and operate. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0015] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 A schematic diagram of the overall structure of this application is shown;

[0018] Figure 2 A structural schematic diagram following this application is shown;

[0019] Figure 3 This diagram shows the structure of the handheld potting device of this application when it is separated from the potting device support;

[0020] Figure 4 A schematic diagram of the floating stamping table of this application is shown;

[0021] Figure 5 A schematic diagram of the eccentric wheel of this application is shown;

[0022] Figure 6 A schematic diagram of the structure of the potting device support of this application is shown.

[0023] List of reference numerals

[0024] 1. Handheld filling device; 101. Limiting ring; 2. Filling device support; 201. Filling device mounting port; 202. Support pin hole; 203. Support guide rail; 3. Roller; 4. Limiting insert plate; 401. Insert plate slot; 402. Insert plate pin hole; 403. Positioning pin; 5. Floating stamping table; 501. Stamping table guide rod; 502. Stamping table support spring; 6. Vibration motor; 7. Eccentric wheel; 8. Stamping wheel assembly. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] Example 1: Please refer to Figures 1 to 6 :

[0027] This utility model proposes a crack filling device for old road repair, comprising: a handheld filler 1, a filler support 2 installed at the lower end of the handheld filler 1, two rollers 3 rotatably connected below the filler support 2, two support guide rails 203 with "L" shaped cross-sections fixedly connected above the filler support 2, a limit plate 4 slidably connected above the filler support 2, the edge of the limit plate 4 slidably connected to the support guide rails 203, a floating stamping table 5 installed at the rear of the filler support 2 via a support rod, a stamping table guide rod 501 fixedly connected to the lower surface of the floating stamping table 5, and the stamping table guide rod 501 slidably connected to the rear support rod of the filler support 2. The lower end of the stamping table guide rod 501 and the lower rear end of the floating stamping table 5 are both fixedly connected to the stamping wheel assembly 8. The stamping table guide rod 501 is sleeved with a stamping table support spring 502. The lower end of the stamping table support spring 502 is fixedly connected to the upper surface of the stamping wheel assembly 8, and the upper end of the stamping table support spring 502 is fixedly connected to the support plate of the potting device support 2. The floating stamping table 5 is fixedly connected to an exciter motor 6. The end of the rotating shaft of the exciter motor 6 is fixedly connected to an eccentric wheel 7. Three rollers are rotatably connected below the stamping wheel assembly 8, and the distance between the three rollers is equal. Through the setting of the stamping wheel assembly 8, the rollers roll over the surface of the gap after the gap is filled, and the filling agent on the surface of the gap is rolled flat.

[0028] In this embodiment, two limiting rings 101 are fixedly connected to the outer surface of the tube of the handheld potting device 1. The two limiting rings 101 are respectively attached to the upper surface of the limiting plate 4 and the lower surface of the potting device support 2. The limiting rings 101 limit the circumferential direction of the handheld potting device 1, thereby preventing the handheld potting device 1 from sliding longitudinally on the potting device support 2.

[0029] In this embodiment, the eccentric wheel 7 is a wheel with a semi-circular cross-section, and the axis of the eccentric wheel 7 is parallel to the ground. Through the cooperation of the excitation motor 6 and the eccentric wheel 7, the excitation motor 6 rotates and drives the eccentric wheel 7 to rotate. Due to the eccentric characteristics of the eccentric wheel 7, centrifugal force is generated during the rotation of the eccentric wheel 7, and a vibration effect is formed, which drives the floating stamping table 5 and the stamping wheel group 8 to vibrate together. The pressure roller of the stamping wheel group 8 pressurizes the potting compound in the gap, thereby improving the flatness of the gap.

[0030] In Example 2, based on Example 1, a U-shaped potting device mounting port 201 is provided on the front edge of the potting device support 2. A support pin hole 202 is provided longitudinally through the potting device support 2, and the potting device mounting port 201 is fitted to the outer surface of the handheld potting device 1. A U-shaped insert plate slot 401 is provided on the left edge of the limiting insert plate 4, and a insert plate pin hole 402 is provided vertically through the limiting insert plate 4. A positioning pin 403 is inserted into both the insert plate pin hole 402 and the support pin hole 202. The inner surface of the insert plate slot 401 is fitted to the outer surface of the handheld potting device 1. When the handheld potting device is placed... When the sealer 1 and the filling device support 2 are fixedly installed, push the limiting plate 4 to the right to avoid covering the filling device installation port 201. Then place the handheld filling device 1 inside the filling device installation port 201, so that the two limiting rings 101 are located above and below the filling device installation port 201 respectively. Then push the limiting plate 4 to the left so that the plate slot 401 fits against the outer surface of the handheld filling device 1. Insert the positioning pin 403 into the pin hole 402 of the plate and through the pin hole 202 of the support to fix the limiting plate 4 and limit the handheld filling device 1, so that the handheld filling device 1 is fixedly connected to the filling device support 2.

[0031] The working principle of this embodiment is as follows: First, the handheld sealant 1 is connected to the sealant supply device through a pipe. The limiting plate 4 is pushed to the right to avoid covering the sealant mounting port 201. Then, the handheld sealant 1 is placed inside the sealant mounting port 201, so that the two limiting rings 101 are respectively located above and below the sealant mounting port 201. Then, the limiting plate 4 is pushed to the left, so that the plate latch 401 fits against the outer surface of the handheld sealant 1. The positioning pin 403 is inserted into the pin hole 402 of the plate and passes through the pin hole 202 of the support, fixing the limiting plate 4 and limiting the handheld sealant 1, so that the handheld sealant 1 is in contact with the sealant support 2. The fixed connection is used to push the handheld sealer 1 so that the sealant enters the road crack through the bottom outlet. The handheld sealer 1 is pushed along the crack direction to seal the crack. After sealing, the roller rolls over the crack surface to flatten the sealant. At the same time, the eccentric wheel 7 is driven to rotate at high speed by the excitation motor 6. Due to the eccentricity of the eccentric wheel 7, centrifugal force is generated during the rotation of the eccentric wheel 7, which forms an excitation effect. This causes the floating stamping table 5 and the stamping wheel group 8 to vibrate together, so that the pressure roller of the stamping wheel group 8 pressurizes the sealant in the crack, improves the flatness of the crack, and prevents the sealant from bulging out of the crack and causing the road surface to bulge.

[0032] The following points should be noted in this article:

[0033] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.

[0034] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0035] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A crack sealing device for old road repair, comprising: A handheld potting device (1) is characterized in that a potting device support (2) is installed at the lower end of the handheld potting device (1), two rollers (3) are rotatably connected below the potting device support (2), two support guide rails (203) with "L" shaped cross sections are fixedly connected above the potting device support (2), a limit plate (4) is slidably connected above the potting device support (2), the edge of the limit plate (4) is slidably connected to the support guide rails (203), a floating stamping table (5) is installed behind the potting device support (2) by a support rod, and a stamping table guide rod (50) is fixedly connected to the lower surface of the floating stamping table (5). 1) The stamping table guide rod (501) is slidably connected to the rear support rod of the filling device support (2). The lower end of the stamping table guide rod (501) and the lower rear end of the floating stamping table (5) are both fixedly connected to the stamping wheel assembly (8). The stamping table guide rod (501) is sleeved with a stamping table support spring (502). The lower end of the stamping table support spring (502) is fixedly connected to the upper surface of the stamping wheel assembly (8). The upper end of the stamping table support spring (502) is fixedly connected to the support plate of the filling device support (2). The floating stamping table (5) is fixedly connected to an exciter motor (6). The end of the rotating shaft of the exciter motor (6) is fixedly connected to an eccentric wheel (7).

2. The old road repair crack sealing device according to claim 1, characterized in that, The stamping wheel assembly (8) has three rollers rotatably connected below it, and the distance between the three rollers is equal.

3. The old road repair crack sealing device according to claim 1, characterized in that, The handheld potting device (1) has two limiting rings (101) fixedly connected to the outer surface of the tube body. The two limiting rings (101) are respectively attached to the upper surface of the limiting plate (4) and the lower surface of the potting device support (2).

4. The old road repair crack sealing device according to claim 1, characterized in that, The front edge of the potting device support (2) is provided with a "U"-shaped potting device mounting port (201), and the potting device support (2) is provided with a support pin hole (202) through it longitudinally. The potting device mounting port (201) is in contact with the outer surface of the handheld potting device (1).

5. The old road repair crack sealing device according to claim 4, characterized in that, The left edge of the limiting insert plate (4) is provided with a "U" shaped insert plate slot (401), and the limiting insert plate (4) is provided with a vertical insert plate pin hole (402). The insert plate pin hole (402) and the support pin hole (202) are connected together with a positioning pin (403). The inner surface of the insert plate slot (401) is in contact with the outer surface of the handheld potting device (1).

6. The old road repair crack sealing device according to claim 1, characterized in that, The eccentric wheel (7) is a wheel with a semi-circular cross-section, and the axis of the eccentric wheel (7) is parallel to the ground.