Crack grouting equipment for municipal engineering

By adopting the sharp-angle design of high-pressure air nozzles and grouting nozzles in crack grouting equipment for municipal engineering, combined with stirring blades and heating wires, the problems of impurities affecting the repair effect and mortar coagulation are solved, and efficient and uniform repair mortar injection and temperature control are achieved, thereby improving the repair quality and road surface service life.

CN223410015UActive Publication Date: 2025-10-03WUHAN QIAOCHENG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202422540289.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-10-03
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

Existing crack repair equipment lacks a cleaning function, which causes debris to mix with the repair mortar, affecting the repair effect. Long-term use may cause the repair mortar to cool and condense, affecting the repair work.

Method used

A crack grouting equipment for municipal engineering is designed. It uses a high-pressure air nozzle and a grouting nozzle at a sharp angle to remove impurities. It is combined with a stirring blade and a heating wire to ensure that the repair mortar is evenly mixed and maintains an appropriate temperature. A pressure pump is used to transport the mortar to the cracks.

Benefits of technology

Effectively clean impurities in cracks, ensure good bonding between the repair mortar and cracks, improve the repair effect and road strength, prevent mortar from cooling and solidifying, and improve repair quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses crack grouting equipment for municipal engineering, which comprises a bottom plate, and the bottom plate is respectively provided with a high-pressure air nozzle, a grouting nozzle, a stirring tank, a stirring blade, a heating wire, a pressurizing air pump, a motor, a driving motor, wheels and a pushing handle. A handle and a driving motor are pushed to move, a stirring blade and a heating wire are arranged in the stirring tank to maintain the state of repairing mortar in the stirring tank, and during operation, due to the fact that a certain angle is formed between a high-pressure air nozzle and a front crack, impurities cannot be blown into the repairing mortar during impurity blowing-off, and the service life of the repairing mortar is prolonged. The repairing mortar is prevented from being polluted to influence the repairing effect.
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Description

Technical Field

[0001] The utility model belongs to the technical field of road crack repair, and in particular relates to crack grouting equipment for municipal engineering. Background Art

[0002] As road traffic continues to increase, and influenced by factors such as pavement structure, climate, geological conditions, and vehicle load, asphalt pavements develop cracks of varying shapes and sizes. Initially, these cracks do not affect normal road use. However, as surface water such as rain or snow penetrates the cracks, the moisture content of the roadbed near the cracks increases, ultimately leading to subsidence, scouring, and mudslides, impacting the pavement's usability. To ensure the pavement's service life, cracks must be promptly filled and repaired.

[0003] Chinese patent CN219972891U discloses a crack repair device that uses a vibrating rod to vibrate inside the crack. The high-frequency vibration allows the poured asphalt to flow deep into the crack, reducing the gaps and ensuring that the asphalt completely fills the crack, thereby improving the quality of road repairs, making full use of the road surface, and reducing waste.

[0004] However, this crack repair device also has the following problems: It lacks the ability to clean the cracks during repair, which can lead to debris being trapped in the cracks. This debris mixes with the repair mortar, affecting the repair effect. Furthermore, if the crack repair device is used for too long, the repair mortar may cool and solidify in the mixing tank, further affecting the crack repair process. Utility Model Content

[0005] In response to the problems in the related technology, the utility model proposes a crack grouting equipment for municipal engineering to overcome the above technical problems existing in the existing related technology.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a crack grouting device for municipal engineering, comprising a bottom plate, a high-pressure air jet nozzle is provided in the middle of the front of the bottom plate, a flow valve is provided at one end of the high-pressure air jet nozzle, and the flow valve is provided on the bottom plate;

[0008] A slot is provided in the middle of the front side of the base plate, and the two sides of the high-pressure air nozzle are clamped on both sides of the slot. The input end of the high-pressure air nozzle is connected to the pressurized air pump through a hose. The pressurized air pump is arranged on the base plate. A stirring tank is fixed at the center position of the top of the base plate. The stirring tank is connected to a grouting nozzle. The central axes of the grouting nozzle and the high-pressure air nozzle coincide with the moving direction of the base plate, and the angle formed by the central axis of the high-pressure air nozzle and the central axis of the grouting nozzle is an acute angle.

[0009] Furthermore, a motor is fixed on the top of the stirring tank, and an output end of the motor extends into the interior of the stirring tank and is fixedly mounted with a stirring blade.

[0010] Furthermore, a heating wire is fixed to the bottom of the stirring tank.

[0011] Furthermore, a transmission rod is fixedly mounted on the output end of the motor, and the stirring blade is fixedly mounted on the transmission rod.

[0012] Furthermore, a pressure pump is provided at the bottom of the mixing tank, an input end of the pressure pump is communicated with the bottom of the mixing tank, and an output end of the pressure pump is connected to the grouting nozzle.

[0013] Furthermore, a drive motor is fixedly connected to one side of the top of the base plate, and the drive motor is used to provide power for the wheels.

[0014] Furthermore, the wheels are fixedly connected to the four corners of the bottom corner, and a push handle is fixedly connected to the edge of one side of the top surface of the bottom plate.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model generates high-pressure gas through a pressurized air pump, outputs it to the high-pressure air nozzle through a hose, and then uses the high-pressure air nozzle to spray high-pressure gas at a certain angle to the crack, thereby processing the impurities in the crack, and then the grouting nozzle grouts the crack. Because the high-pressure air nozzle forms an acute angle with the central axis of the grouting nozzle, the impurities blown out by the high-pressure air nozzle can move forward, avoiding the combination of impurities and the repair mortar at the rear, so that the repair mortar can better combine with the crack, thereby improving the repair effect of the crack.

[0017] 2. The utility model starts the motor to drive the stirring blades to stir the repair mortar in the mixing tank. At the same time, the heating wire at the bottom of the mixing tank also heats the repair mortar. The repair mortar is stirred while heating, so that the mixture of the repair mortar is more uniform, and the heat is also more uniform, so that the repair mortar is at the most suitable temperature and state for repairing cracks, which is beneficial to improving the use effect of the repair mortar.

[0018] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 This is a schematic diagram of the device structure of the utility model;

[0021] Figure 2 It is a side cross-sectional schematic diagram of the device of the present utility model;

[0022] Figure 3 It is a partially enlarged schematic diagram of the high-pressure nozzle of the utility model;

[0023] Figure 4 For the utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0024] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0025] 1. Bottom plate; 2. High-pressure jet nozzle; 3. Flow valve; 4. Card slot; 5. Hose; 6. Pressurized air pump; 7. Mixing tank; 8. Grouting nozzle; 9. Motor; 10. Mixing blade; 11. Heating wire; 12. Pressurized pump; 13. Drive motor; 14. Wheel; 15. Push handle. DETAILED DESCRIPTION

[0026] The following will clearly and completely describe the technical solutions in the utility model embodiments in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the utility model embodiments, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of utility model protection.

[0027] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] See also Figure 1-Figure 4As shown, the utility model is a crack grouting equipment for municipal engineering, including a base plate 1, a high-pressure air nozzle 2 is provided in the middle of the front of the base plate 1, a flow valve 3 is provided at one end of the high-pressure air nozzle 2, and the flow valve 3 is provided on the base plate 1, and a card slot 14 is opened in the middle of the front of the base plate 1, and the two sides of the high-pressure air nozzle 2 are clamped on both sides of the card slot 14, and the input end of the high-pressure air nozzle 2 is connected to the pressurized air pump 5 through a hose 4, and the pressurized air pump 5 is provided on the base plate 1, and a mixing tank 7 is fixed at the top center position of the base plate 1, and the mixing tank 7 is connected to a grouting nozzle 6, and the central axes of the grouting nozzle 6 and the high-pressure air nozzle 2 coincide with the moving direction of the base plate 1, and the angle formed by the central axis of the high-pressure air nozzle 2 and the central axis of the grouting nozzle 8 is an acute angle.

[0029] In addition, in specific applications, a pressurized air pump 6 is fixed to one side of the top surface of the base plate 1. The pressurized air pump 6 is connected to the flow valve 3 at one end of the high-pressure air nozzle 2 through a hose fixed at the output end. High-pressure gas flows out of the high-pressure air nozzle 2 through the hose. The high-pressure air nozzle 2 controls the flow rate of the high-pressure gas through the flow valve. The high-pressure air nozzle 2 sprays high-pressure airflow forward and downward at a certain angle. The high-pressure airflow is ejected by the high-pressure air nozzle 2 to blow dust, stones and other impurities in the cracks away from the grouting nozzle 8. The grouting nozzle 8 then grouts the cracks cleaned by the high-pressure air nozzle 2. Since the high-pressure air nozzle 2 sprays high-pressure air forward and downward at a certain angle, it avoids the general straight downward blowing that causes impurities to be blown into the repair mortar, improving the bonding effect of the repair mortar and the cracks, thereby improving the strength and service life of the pavement. In the case of complex cracks, the high-pressure air nozzle 2 can be removed from the card slot 14 and the cracks can be treated more carefully from other angles, broadening the application scenarios of the device. The card slot 14 can also be provided with an adjustable angle buckle for adjusting the injection angle of the high-pressure air nozzle 2.

[0030] The utility model stirs and heats the repair mortar in the stirring tank 7 by the stirring blades 10 and the heating wire 11 to maintain the state of the repair mortar, prevents the repair mortar from cooling and condensing, blows high-pressure gas to the cracks to be repaired through the downward-slanting high-pressure air nozzle 2 to clean them, and then grouting is carried out through the grouting nozzle 8, thereby ensuring that the combination of the repair mortar and impurities is reduced, avoiding the influence of the repair effect due to the combination of impurities in the cracks and the repair mortar, and the cleaning effect can also be improved by taking out the high-pressure air nozzle 2 and cleaning the cracks from multiple angles, thereby improving the effect and quality of the crack repair.

[0031] In one embodiment, a motor 9 is fixed to the top of the stirring tank 7 , and an output end of the motor 9 extends into the interior of the stirring tank 7 and is fixedly mounted with a stirring blade 10 .

[0032] The motor 9 drives the transmission rod to drive the stirring blade 10 to stir the repair mortar in the stirring tank 7. By stirring the repair mortar inside the stirring tank 7, the repair mortar can be mixed more evenly, which is beneficial to improving the repair effect of the repair mortar on cracks.

[0033] In one embodiment, for the above-mentioned stirring tank 7 , a heating wire 11 is fixed to the bottom of the stirring tank 7 .

[0034] The repair mortar in the mixing tank 7 is heated by the heating wire 11 to maintain the temperature of the repair slurry so that the repair mortar can always be at a temperature that is most conducive to repairing cracks.

[0035] In one embodiment, for the motor 9 , a transmission rod is fixedly mounted on the output end of the motor 9 , and the stirring blade 10 is fixedly mounted on the transmission rod.

[0036] The motor 9 is used to rotate the stirring blade 10, thereby stirring the repair mortar in the stirring tank 7, so that the repair mortar is mixed more evenly, which is beneficial to improving the use effect of the repair mortar.

[0037] In one embodiment, for the above-mentioned stirring tank 7, a pressure pump 12 is provided at the bottom of the stirring tank 7, and a pressure pump (12) is provided at the bottom of the stirring tank (7). The input end of the pressure pump (12) is connected to the bottom of the stirring tank 7, and the output end of the pressure pump (12) is connected to the grouting nozzle (8).

[0038] The mortar in the mixing tank 7 is transported to the grouting nozzle 8 by using the pressure pump 12. Since the repair slurry is generally viscous, the pressure pump 12 pressurizes the repair slurry so that the repair slurry can pass through the grouting nozzle 8 smoothly and repair the cracks.

[0039] In one embodiment, for the above-mentioned base plate 1, a driving motor 13 is fixedly connected to one side of the top of the base plate 1. The driving motor 13 is used to provide power for the wheels 14, which can save a lot of physical strength for the user and help improve work efficiency.

[0040] In one embodiment, for the base plate 1 , the wheels 14 are fixedly connected to the four corners of the bottom corners of the base plate 1 , and a push handle 15 is fixedly connected to the edge of one side of the top surface of the base plate 1 .

[0041] The push handle 15 can control the direction of movement of the bottom plate, making it easier to push and move.

[0042] Through the above technical solution, 1. high-pressure gas is generated by the pressurized air pump 6, and output to the high-pressure air nozzle 2 through the hose, and then the high-pressure air nozzle 2 sprays high-pressure gas at a certain angle to the crack, thereby processing the impurities in the crack, and then the grouting nozzle 8 grouts the crack. It is precisely because the high-pressure air nozzle is at an acute angle to the central axis of the grouting nozzle that the impurities blown out by the high-pressure air nozzle 2 can move forward, avoiding the combination of impurities and the repair mortar at the rear, so that the repair mortar can better combine with the crack, thereby improving the repair effect of the crack.

[0043] 2. Start the motor 9 to drive the stirring blade 10 to stir the repair mortar in the mixing tank 7. At the same time, the heating wire 11 at the bottom of the mixing tank 7 also heats the repair mortar. Stirring while heating makes the repair mortar more evenly mixed and the heat more evenly distributed, so that the repair mortar is at the most suitable temperature and state for repairing cracks, which is conducive to improving the use effect of the repair mortar.

[0044] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the utility model. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0045] The preferred embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The preferred embodiments do not describe all details in detail, nor do they limit the utility model to the specific embodiments described. Obviously, many modifications and variations are possible based on the content of this specification. This specification selects and describes these embodiments in detail to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A crack grouting device for municipal engineering, comprising a bottom plate (1), characterized in that: A high-pressure air jet nozzle (2) is provided in the middle of the front side of the bottom plate (1), a flow valve (3) is provided at one end of the high-pressure air jet nozzle (2), and the flow valve (3) is provided on the bottom plate (1); A slot (4) is provided in the middle of the front of the base plate (1), and the two sides of the high-pressure air nozzle (2) are clamped on the two sides of the slot (4). The input end of the high-pressure air nozzle (2) is connected to the pressurized air pump (6) through a hose (5), and the pressurized air pump (6) is arranged on the base plate (1). A stirring tank (7) is fixed at the center position of the top of the base plate (1), and the stirring tank (7) is connected to a grouting nozzle (8). The central axes of the grouting nozzle (8) and the high-pressure air nozzle (2) coincide with each other in the direction of travel of the base plate (1), and the angle formed by the central axis of the high-pressure air nozzle (2) and the central axis of the grouting nozzle (8) is an acute angle.

2. A crack grouting equipment for municipal engineering according to claim 1, characterized in that: A motor (9) is fixed to the top of the stirring tank (7), and an output end of the motor (9) extends into the interior of the stirring tank (7) and is fixedly mounted with a stirring blade (10).

3. A crack grouting equipment for municipal engineering according to claim 2, characterized in that: A heating wire (11) is fixed to the bottom of the stirring tank (7).

4. The crack grouting equipment for municipal engineering according to claim 3, characterized in that: A transmission rod is fixedly mounted on the output end of the motor (9), and the stirring blade (10) is fixedly mounted on the transmission rod.

5. The crack grouting equipment for municipal engineering according to claim 4, characterized in that: A pressure pump (12) is provided at the bottom of the stirring tank (7), an input end of the pressure pump (12) is communicated with the bottom of the stirring tank (7), and an output end of the pressure pump (12) is connected to the grouting nozzle (8).

6. The crack grouting equipment for municipal engineering according to claim 5, characterized in that: A drive motor (13) is fixedly connected to one side of the top of the base plate (1), and the drive motor (13) is used to provide power for the wheels (14).

7. The crack grouting equipment for municipal engineering according to claim 6, characterized in that: The wheels (14) are fixedly connected to the four corners of the bottom corner of the bottom plate (1), and a push handle (15) is fixedly connected to the edge position of one side of the top surface of the bottom plate (1).

Citation Information

Patent Citations

  • Road crack repairing equipment

    CN219972891U