Spraying device for road maintenance

By installing diverter pipes and duckbill nozzles on road maintenance equipment, combined with universal joints and filters, the problems of fixed spray angles and nozzle clogging are solved, enabling flexible adjustment and efficient spraying, adapting to different road conditions, and improving spray uniformity and equipment reliability.

CN223593282UActive Publication Date: 2025-11-25HENAN SHUOLU CONSTR ENG CO LTD
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Patent Information

Application Number
CN202423208982.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

Existing road maintenance sprinkler equipment has a fixed spray angle, poor adaptability, and lacks an effective filtration mechanism, which makes the nozzles prone to clogging, making it difficult to meet the needs of modern, efficient, and high-quality road maintenance.

Method used

Design a road maintenance spraying device that uses a diverter pipe and multiple sets of duckbill nozzles, combined with a universal joint to adjust the nozzle angle, and equipped with a filter and filter screen to ensure clean liquid filtration, adapt to different road surface conditions, and prevent nozzle clogging.

Benefits of technology

It enables flexible adjustment of the spraying angle, improves spraying uniformity, expands the coverage area, effectively removes impurities, reduces maintenance frequency, and improves spraying efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of road maintenance, and discloses a spraying device for road maintenance, the spraying device is arranged on a road maintenance vehicle, the road maintenance vehicle is used for driving the spraying device to run on a to-be-maintained road, the spraying device comprises a flow dividing pipe, and the flow dividing pipe is fixedly installed on the rear side of the road maintenance vehicle; one end of the flow dividing pipe is communicated with a conveying pipe, the other end of the conveying pipe is connected to the interior of the liquid storage tank so as to convey liquid in the liquid storage tank into the flow dividing pipe, and the flow dividing pipe is provided with a plurality of groups of duckbilled nozzles used for spraying the liquid in the flow dividing pipe onto a to-be-maintained road surface; a filter is arranged on the conveying pipe and used for filtering spraying liquid in the conveying process. According to the spraying device for road maintenance, the duckbilled spray head is connected through the universal joint, the angle of the spray head is allowed to be flexibly adjusted according to actual conditions so as to adapt to road surfaces with different widths or shapes, and the spraying effect is optimized.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road maintenance, in particular to a spraying device for road maintenance. BACKGROUND

[0002] With the rapid growth of urbanization and traffic flow, the importance of road maintenance work is increasingly prominent. Traditional road maintenance methods, such as manual watering or the use of simple mechanical devices, have low efficiency, uneven spraying, and angle adjustment problems, which are difficult to meet the modern efficient and high-quality road maintenance needs. In recent years, although various types of spraying equipment have appeared on the market, they have not fundamentally solved the above problems.

[0003] The existing spraying equipment usually includes basic components such as liquid storage tank, conveying pipeline and spray head, but the fixed spray head design of these devices limits the selection of spraying angle, has poor adaptability, and lacks effective filtering mechanism to remove impurities in the conveying process, which can easily cause the spray head to be blocked. SUMMARY

[0004] (I) Technical problems solved

[0005] In view of the above problems, the present application provides a spraying device for road maintenance.

[0006] (II) Technical solutions

[0007] To solve the above problems, the present application provides the following technical solutions: a spraying device for road maintenance, which is arranged on a road maintenance vehicle, the road maintenance vehicle is used to drive the spraying device to travel on the road to be maintained, comprising a shunt pipe, the shunt pipe is fixedly installed at the rear side of the road maintenance vehicle, one end of the shunt pipe is communicated with a conveying pipe, the other end of the conveying pipe is connected to the inside of a liquid storage tank to convey the liquid in the liquid storage tank to the shunt pipe, a plurality of duckbill spray heads are arranged on the shunt pipe for spraying the liquid in the shunt pipe to the road surface to be maintained.

[0008] A filter is arranged on the conveying pipe for filtering the spraying liquid in the conveying process.

[0009] Preferably, a plurality of spraying branch pipes are connected to the shunt pipe, the spraying branch pipes are arranged downwardly inclined, the end of each spraying branch pipe is connected with a duckbill spray head through a universal joint for adjusting the angle of the duckbill spray head.

[0010] Preferably, the duckbill spray head is arranged in a "duckbill shape", the liquid outlet end of the duckbill spray head is provided with a spraying port, the spraying port is arranged in a "horn shape" to increase the liquid injection pressure and coverage.

[0011] Preferably, the end of the conveying pipe is connected to the liquid outlet of a liquid pumping device, and the liquid inlet of the liquid pumping device is connected to the inside of the liquid storage tank, for pumping and conveying the liquid in the liquid storage tank.

[0012] Preferably, the conveying pipe is supported by a plurality of support frames.

[0013] Preferably, a filter pipe is arranged below the filter, the filter and the filter pipe are arranged in a "Y" shape, the inside of the filter and the filter pipe are connected, the filter pipe is internally provided with a filter screen, the open end of the filter screen is arranged in the inside of the filter, and the liquid in the conveying pipe first enters the inside of the filter, is filtered by the filter screen, and then flows out from the other end of the filter, for filtering the liquid.

[0014] Preferably, the filter screen is arranged in a spaced manner with the inner wall of the filter pipe, and the filter screen covers the inside of the filter.

[0015] Preferably, the filter is provided with a connecting flange at each end, and the connecting flange is fixedly installed on the conveying pipe by bolts.

[0016] Preferably, the end of the filter pipe is provided with a bottom cover, the bottom cover is installed at the bottom of the filter pipe by fixing bolts, and a plug is threadedly connected to the bottom cover, for cleaning impurities in the inside of the filter pipe.

[0017] Preferably, one side of the road maintenance vehicle is provided with a push handle, for pushing the road maintenance vehicle to move.

[0018] (Three) beneficial effects

[0019] Compared with the prior art, the present application provides a spraying device for road maintenance, which has the following beneficial effects:

[0020] 1. The spraying device for road maintenance connects the duckbill nozzle by the universal joint, allows the nozzle angle to be flexibly adjusted according to the actual situation, adapts to the road surface of different widths or shapes, and optimizes the spraying effect; by arranging multiple groups of duckbill nozzles and adopting a "horn-shaped" spraying port, the liquid spraying pressure and coverage area are enhanced, the spraying is more uniform, and the device is suitable for various road conditions.

[0021] 2. The spraying device for road maintenance is provided with a filter and a "Y"-shaped filter pipe with a filter screen inside, effectively removes impurities in the liquid, protects the nozzle and other components from being damaged, and reduces the maintenance frequency.

[0022] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description, taken in conjunction with the following drawings in which:

[0024] Figure 1 Fig. 1 is a schematic view of a road maintenance spraying device according to the present application;

[0025] Figure 2 Fig. 2 is a schematic view of a road maintenance spraying device according to the present application;

[0026] Figure 3 Fig. 3 is a schematic view of a duckbill nozzle according to the present application;

[0027] Figure 4 Fig. 4 is a schematic view of a filter according to the present application.

[0028] Reference signs: 1, road maintenance vehicle; 2, push handle; 3, liquid storage tank; 4, liquid pumping device; 5, support frame; 6, filter; 61, connecting flange; 62, filter screen; 63, filter pipe; 64, bottom cover; 65, plug; 66, fixing bolt; 7, conveying pipe; 8, shunt pipe; 81, spraying branch pipe; 9, duckbill nozzle; 91, spraying opening. DETAILED DESCRIPTION

[0029] Embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] The terms "first", "second" in the specification and claims of the present application can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, "and / or" in the specification and claims means at least one of the connected objects, and the character " / ", generally means that the front and rear associated objects are in an "or" relationship.

[0031] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0032] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0033] Please refer to Figures 1-4 The present application provides a new technical solution: a spraying device for road maintenance, the spraying device is arranged on a road maintenance vehicle 1, the road maintenance vehicle 1 is used to drive the spraying device to travel on the road to be maintained, comprising a flow divider 8, the flow divider 8 is fixedly installed at the rear side of the road maintenance vehicle 1, one end of the flow divider 8 is communicated with a conveying pipe 7, the other end of the conveying pipe 7 is connected to the inside of a liquid storage tank 3, so as to convey the liquid in the liquid storage tank 3 into the flow divider 8, a plurality of duckbill nozzles 9 are arranged on the flow divider 8, which are used to spray the liquid in the flow divider 8 onto the road surface to be maintained.

[0034] A filter 6 is arranged on the conveying pipe 7, which is used to filter the spraying liquid during conveying.

[0035] In use, the liquid in the liquid storage tank 3 is conveyed into the flow divider 8 through the conveying pipe 7, and then sprayed uniformly onto the road surface through the plurality of duckbill nozzles 9 arranged on the flow divider 8, which helps to improve the road maintenance quality.

[0036] In some embodiments, a plurality of spraying branch pipes 81 are connected to the flow divider 8, the spraying branch pipes 81 are arranged downwardly inclined, the distal end of each spraying branch pipe 81 is connected with a duckbill nozzle 9 through a universal joint, which is used to adjust the angle of the duckbill nozzle 9, the spraying angle can be flexibly adjusted according to the actual situation, the spraying effect is optimized, and it is particularly suitable for road surfaces of different widths or shapes.

[0037] In this embodiment, the duckbill nozzle 9 is arranged in a "duckbill shape", and the liquid outlet end of the duckbill nozzle 9 is provided with a spray port 91 arranged in a "horn shape" to increase the liquid injection pressure and coverage range; the injection force and spraying area are improved, the spraying efficiency and quality are enhanced, and it is especially suitable for quickly covering a large area or a situation requiring strong washing.

[0038] In some embodiments, the end of the delivery pipe 7 is connected to the liquid outlet of the liquid suction pump 4, the liquid inlet of the liquid suction pump 4 is connected to the inside of the liquid storage tank 3, and the liquid suction and delivery of the liquid in the liquid storage tank 3 are realized.

[0039] In some embodiments, the delivery pipe 7 is supported by a plurality of support frames 5 to prevent displacement or damage of the pipe due to vibration during driving of the spraying vehicle.

[0040] In some embodiments, a filter pipe 63 is arranged below the filter 6, the filter 6 and the filter pipe 63 are arranged in a "Y" shape, the inside of the filter 6 and the filter pipe 63 are connected, the filter pipe 63 is provided with a filter screen 62 inside, the open end of the filter screen 62 is arranged in the inside of the filter 6, and the liquid in the delivery pipe 7 first enters the inside of the filter 6, is filtered by the filter screen 62, and then flows out from the other end of the filter 6, so as to filter the liquid; the filter pipe 63 arranged in a "Y" shape below the filter 6 has a filter screen 62 inside, which is used to filter the liquid during delivery and remove impurities to protect the nozzle and other components from being blocked.

[0041] In some embodiments, the filter screen 62 is arranged at intervals with the inner wall of the filter pipe 63, and the filter screen 62 covers the inside of the filter 6; all the passing liquid must be filtered by the filter screen 62, so as to ensure that all the liquid can be fully filtered.

[0042] In some embodiments, the filter 6 is provided with a connecting flange 61 at each end, the connecting flange 61 is fixedly installed on the delivery pipe 7 by bolts, which facilitates disassembly and cleaning, and improves the usability and maintenance efficiency of the device.

[0043] In some embodiments, the end of the filter pipe 63 is provided with a bottom cover 64, the bottom cover 64 is installed at the bottom of the filter pipe 63 by a fixing bolt 66, a plug 65 is threadedly connected to the bottom cover 64, and the plug 65 is used to clean the impurities in the inside of the filter pipe 63; the plug 65 can be unscrewed to discharge the deposits in the inside of the filter pipe, so as to keep the inside of the system clean and ensure long-term and efficient operation.

[0044] In some embodiments, one side of the road maintenance vehicle 1 is provided with a push handle 2 for pushing the road maintenance vehicle 1 to move; especially in the non-motorized state or in narrow space operation, the operation flexibility and applicability of the equipment are improved, especially in short distance movement or special environment, without relying on engine power, it can be easily controlled.

[0045] A road maintenance spraying device in use, starts the liquid pump 4 installed on the road maintenance vehicle 1. The liquid pump 4 draws liquid from the inside of the liquid storage tank 3 through its liquid inlet, and pressurizes the liquid and delivers it to the shunt pipe 8 located at the rear side of the vehicle through the delivery pipe 7. The liquid in the delivery pipe 7 will first flow through the filter 6 provided on the delivery pipe 7 before entering the shunt pipe 8. The liquid first enters the filter 6 and the filter pipe 63 inside the "Y" shape, and is finely filtered by the filter screen 62 to remove possible impurities. The filtered liquid is evenly distributed into the shunt pipe 8, and then guided to the duckbill spray head 9 at the end by the multiple spraying branch pipes 81 on the shunt pipe 8. Each spraying branch pipe 81 is downwardly inclined and connected to the duckbill spray head 9 through a universal joint. The liquid is sprayed onto the road surface to be maintained through these spray heads. During the spraying process, the operator can fine-tune the angle of the duckbill spray head 9 according to the actual situation to adapt to the needs of different road sections.

[0046] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0047] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A spraying device for road maintenance, the spraying device being provided on a road maintenance vehicle for driving the spraying device to travel on a road to be maintained, characterized in that, The utility model provides a road maintenance vehicle, including the shunt pipe, the shunt pipe is fixedly installed at the rear side of road maintenance vehicle, one end of shunt pipe is connected with the conveying pipe, the other end of conveying pipe is connected to the inside of liquid storage tank, and the liquid in liquid storage tank is conveyed to the shunt pipe, and a plurality of groups of duckbill spray heads are arranged on the shunt pipe and are used for spraying the liquid in shunt pipe to the road surface to be maintained. A filter is arranged on the conveying pipe to filter the spraying liquid during conveying.

2. The spraying device for road maintenance according to claim 1, characterized in that, A plurality of spraying branch pipes are connected to the shunt pipe, the spraying branch pipes are arranged downwardly, and a duckbill spray head is connected to the end of each spraying branch pipe through a universal joint to adjust the angle of the duckbill spray head.

3. The spraying device for road maintenance according to claim 2, characterized in that, The duckbill spray head is arranged in the shape of a duckbill, a spraying opening is arranged at the liquid outlet end of the duckbill spray head, and the spraying opening is arranged in the shape of a horn to increase the liquid spraying pressure and coverage.

4. The road maintenance spraying device according to claim 1, characterized in that, The end of the conveying pipe is connected to the liquid outlet of a liquid pumping pump, the liquid inlet of the liquid pumping pump is connected to the inside of the liquid storage tank to pump and convey the liquid in the liquid storage tank.

5. The road maintenance spraying device according to claim 1, characterized in that, The conveying pipe is supported by a plurality of supporting frames.

6. The road maintenance spraying device according to claim 1, wherein A filter pipe is arranged below the filter, the filter and the filter pipe are arranged in the shape of Y, the inside of the filter is connected to the inside of the filter pipe, a filter screen is arranged in the inside of the filter pipe, the open end of the filter screen is arranged in the inside of the filter, the liquid in the conveying pipe first enters the inside of the filter, and then flows out from the other end of the filter after being filtered by the filter screen to filter the liquid.

7. A spraying device for road maintenance according to claim 6, characterized in that The filter screen is arranged at intervals with the inner wall of the filter pipe, and the filter screen covers the inside of the filter.

8. The spraying device for road maintenance according to claim 6, wherein Connecting flanges are arranged at the two ends of the filter respectively, and the connecting flanges are fixedly installed on the conveying pipe through bolts.

9. The road maintenance spraying device according to claim 6, wherein A bottom cover is arranged at the end of the filter pipe, the bottom cover is installed at the bottom of the filter pipe through fixing bolts, a plug is threadedly connected to the bottom cover to clean the impurities in the inside of the filter pipe.

10. The spraying device for road maintenance according to claim 1, characterized in that, A push handle is arranged on one side of the road maintenance vehicle to push the road maintenance vehicle.