Centrifugal spraying device for construction site

Abstract

The utility model belongs to the technical field of construction dust fall, and provides a centrifugal spraying device for a construction site, the centrifugal spraying device comprises a barrel and an axial fan arranged in the barrel, a shaft pipe penetrates through the barrel from back to front along the central axis, the rear end of the shaft pipe is connected with a high-pressure water pipe, and the front end of the shaft pipe is rotatably connected with a spraying pipe communicated with the shaft pipe; the spray pipe divides the front end face of the barrel into two semi-circular faces all the time, and nozzles are arranged at the two ends of the spray pipe and face the different semi-circular faces respectively. The problem that a spraying device blocks a nozzle is solved, the spraying area can be enlarged, and the spraying effect is improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of construction dust reduction, and particularly relates to a centrifugal spraying device for a construction site. BACKGROUND

[0002] A mobile spraying dust suppression device for engineering construction generally comprises a jet fan and a spraying device. When spraying, high-pressure water is injected into a water pipe by a high-pressure water pump, and atomized water is sprayed out of the nozzle on the annular pipeline. Under the synchronous action of the jet fan, the atomized water forms a water mist which is sprayed out by the high-speed airflow. The water mist can expand the spraying area, and can effectively reduce the dust pollution in the working range during engineering construction, especially earthwork construction.

[0003] The high-pressure water of the traditional spraying device is sprayed out of the nozzles on the pre-designed annular pipeline, and the jet fan airflow behind the annular pipeline pushes the water mist to increase the spraying area. The above-mentioned method needs to arrange multiple nozzles on the annular pipeline. However, due to the influence of factors such as water scale, mud, and lack of daily maintenance, the nozzles are often blocked, which affects the actual use effect. CONTENT OF THE UTILITY MODEL

[0004] The application provides a centrifugal spraying device for a construction site, which solves the problem of clogging of the spraying device.

[0005] The technical scheme of the application is as follows:

[0006] A centrifugal spraying device for a construction site comprises a cylinder and an axial flow fan arranged in the interior of the cylinder,

[0007] The cylinder is provided with an axial pipe along the central axis from back to front. The rear end of the axial pipe is connected with a high-pressure water pipe, and the front end of the axial pipe is rotatably connected with a spray pipe which is communicated with the axial pipe. The spray pipe always divides the front end surface of the cylinder into two semicircular surfaces, and the spray pipe is provided with nozzles at both ends and the two nozzles are respectively directed to different semicircular surfaces.

[0008] Further, the front end of the cylinder is provided with a T-shaped limiting support, and the limiting support is provided with a bearing for keeping the spray pipe rotating at the connection position of the spray pipe and the axial pipe.

[0009] Further, the rear end of the cylinder is provided with a protective net.

[0010] Further, the outside of the cylinder is provided with a support which is rotatably connected with the cylinder, and the center of the bottom of the support is provided with a rotating table.

[0011] Further, the rotating table is provided below with a machine body, and the machine body is provided below with a detachable wheel set.

[0012] Furthermore, the machine body is equipped with a hydraulic rod, the two ends of which are respectively connected to the cylinder and the support.

[0013] Furthermore, a handle is provided on the outside of the cylinder.

[0014] Due to the adoption of the above technical solution, the beneficial effects of this application are as follows:

[0015] 1. The rear end of the axial tube in this application is connected to a high-pressure water pipe, and the front end sprays high-pressure water through a nozzle and a spray pipe. The high-pressure water applies rotational force to the spray pipe at the nozzle, causing the spray pipe to rotate. The high-speed sprayed water forms a water mist, and the centrifugal force generated by the rotation of the spray pipe expands the spraying area. The axial fan rotates continuously, blowing the formed water mist towards the construction site. Through the cooperation of the spray pipe and the axial fan, the spraying distance and spraying width of the spraying device at the construction site can be significantly improved, thereby increasing the spraying efficiency.

[0016] 2. In a preferred embodiment of this application, the cylinder is equipped with auxiliary equipment such as a support frame, hydraulic rod, and machine body. These auxiliary equipment allow workers to adjust the angle, height, and position of the cylinder according to the needs of the application scenario. After disassembling the wheel assembly, the spraying device can be placed on an engineering vehicle for mobile spraying, or the wheel assembly can be installed for small-scale spraying within the power supply range.

[0017] 3. This application makes the nozzle less susceptible to dust clogging by changing its orientation. At the same time, the constantly rotating nozzle can also effectively prevent soil residue by relying on centrifugal force. In other words, this application improves the clogging problem that may occur with a fixed nozzle by using a dynamic nozzle. Attached Figure Description

[0018] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0019] Figure 1 A perspective view of a centrifugal spray device for construction sites provided in this application;

[0020] Figure 2 A side view of a centrifugal spray device for construction sites provided in this application;

[0021] Figure 3 A front view of a centrifugal spray device for construction sites provided in this application;

[0022] In the attached diagram:

[0023] 1. Body; 2. Wheel set; 3. Bracket; 4. Cylinder; 5. Handle; 6. Shaft tube; 7. Nozzle; 8. Axial flow fan; 9. Rotary table; 10. Protective net; 11. Nozzle; 12. Bearing; 13. Limit bracket; 14. High-pressure water pipe. Detailed Implementation

[0024] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. The components of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without inventive effort are within the scope of protection of this application. It should be noted that similar reference numerals and letters in the following drawings indicate similar items; therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] As described in the background art, traditional sprinkler systems can cause nozzles 11 to become clogged, affecting the spraying effect. This application provides a centrifugal sprinkler system for construction sites, including a cylinder 4 and an axial fan 8 disposed inside the cylinder 4. A shaft tube 6 extends from back to front along the central axis of the cylinder 4. The rear end of the shaft tube 6 is connected to a high-pressure water pipe 14. The front end of the shaft tube 6 is rotatably connected to a spray pipe 7 that communicates with the shaft tube 6. The spray pipe 7 always divides the front end face of the cylinder 4 into two semicircular surfaces. Nozzles 11 are provided at both ends of the spray pipe 7, and the two nozzles 11 face different semicircular surfaces.

[0026] In this application, the cylinder 4, axial fan 8, shaft tube 6, and nozzle 7 are key terms. The cylinder 4 is the main structure of the entire device, and the axial fan 8 is located inside the cylinder 4 to generate airflow. The shaft tube 6 runs through the center of the cylinder 4, connecting the high-pressure water pipe 14 and the nozzle 7, and is responsible for delivering high-pressure water. The nozzle 7 is the core component for achieving water mist spraying. The spraying device of this application can be implemented in any construction site requiring dust suppression.

[0027] The centrifugal spray device of this application has several key features. First, the axial fan 8 inside the cylinder 4 generates airflow to assist in the spraying of water mist. Second, the shaft tube 6 is designed to penetrate the center of the cylinder 4, ensuring smooth delivery of high-pressure water. The rotatable connection between the nozzle 7 and the shaft tube 6 provides a flexible spraying angle. Driven by the high-pressure water flow, the nozzle 7 generates centrifugal force in the sprayed water mist, significantly expanding the spraying area. In this application, the nozzles 11 are oriented towards two semicircular surfaces to generate rotational force in the same direction to rotate the nozzle 7. The nozzles 11 facing the semicircular surfaces means that the nozzles 11 are positioned within the semicircular surface area, not necessarily towards the edge of the semicircular surface. To ensure the water spraying effect, the nozzles 11 should also face the ground. In specific implementations, the nozzles 11 can be atomizing nozzles.

[0028] Compared with existing technologies, the device of this application is simpler in design, avoiding the complex annular pipe layout of traditional devices. The combination of the axial fan 8 and the rotating nozzle 7 not only expands the spraying area but also effectively prevents the nozzle 11 from clogging. This innovative design improves the practicality and reliability of the device and significantly enhances dust suppression at the construction site.

[0029] In a preferred embodiment of this application, a T-shaped limiting bracket 133 is provided at the front end of the cylinder 4. The limiting bracket 133 has a bearing 12 at the connection between the nozzle 7 and the shaft tube 6 to maintain the rotation of the nozzle 7. By providing the T-shaped limiting bracket 133 at the front end of the cylinder 4 and the bearing 12 at the connection between the nozzle 7 and the shaft tube 6, the rotation of the nozzle 7 is maintained, ensuring the nozzle 7 remains stable during operation. The combined use of the limiting bracket 133 and the bearing 12 effectively solves the problem of the rotation range of the nozzle 7 during operation, improving the working stability and reliability of the spraying device.

[0030] The T-shaped limiting bracket 133 can be made of metal, providing high strength and durability. The bearing 12 can be either a ball bearing or a sliding bearing, depending on the operating environment and load requirements of the spray system. The installation position of the limiting bracket 133 should be precise to ensure that the bearing 12 can maintain the rotation of the spray nozzle 7. As a preferred embodiment, the bearing 12 can be bolted to the limiting bracket 133 for easy maintenance and replacement.

[0031] In a preferred embodiment of this application, a protective net 10 is provided at the rear end of the cylinder 4. The protective net 10 is provided to prevent external objects or impurities from entering the interior of the cylinder 4, thereby protecting the internal structure, especially the normal operation of the axial fan 8. In this way, equipment damage caused by external factors can be effectively avoided, ensuring the service life and stability of the device.

[0032] The protective netting 10 can be made of various materials and structural forms, such as metal mesh, plastic mesh, or composite material mesh. The aperture of the protective netting 10 should be designed according to actual needs to ensure that it can effectively block external impurities without affecting airflow. The installation method of the protective netting 10 can also be diversified, such as by bolt fixing, snap-fit ​​connection, or welding, to ensure its stability and reliability.

[0033] In a preferred embodiment of this application, a support 3 is provided on the outside of the cylinder 4, and the support 3 is rotatably connected to the cylinder 4. A rotating platform 9 is provided at the center of the bottom of the support 3. The support 3, through its rotatable connection to the cylinder 4, provides support for the cylinder 4, ensuring its stability during spraying operations. The rotating platform 9 allows the entire device to rotate flexibly, enabling spraying operations at different angles and directions, thus improving the applicability and ease of operation of the device. This solution solves the stability problem of centrifugal spraying devices used on construction sites during operation, making the device more stable and flexible during spraying operations, and avoiding the problem of affecting the spraying effect due to the invariable angle of the device.

[0034] The rotational connection between the support 3 and the cylinder 4 can be achieved through bearings, such as ball bearings or sliding bearings, to ensure smooth rotation between the support 3 and the cylinder 4. The rotating table 9 can be designed as a disc or other suitable shape and connected to the bottom of the support 3 via a rotating shaft. The rotating shaft can be positioned at the center of the rotating table 9 to ensure stable rotation. The rotating table 9 can be made of a wear-resistant material, such as alloy steel or high-strength plastic, to improve its service life.

[0035] In one specific embodiment of the above implementation, a body 1 is located below the rotating platform 9, and a detachable wheel set 2 is located below the body 1. The rotating platform 9 provides the rotation capability of the spraying device, ensuring flexible adjustment of the spraying range. The body 1, as the main structural component, provides overall support and stability. The detachable wheel set 2 allows the device to be easily moved, facilitating transfer between different construction sites. Through the combination of these technical features, the device not only maintains stability during spraying but also possesses high mobility, solving the stability and flexibility issues of mobile spraying devices in construction sites.

[0036] The detachable wheel assembly 2 can be implemented in various ways. For example, wheel assembly 2 can be bolted to the machine body 1 for easy disassembly and installation. The wheel assembly 2 can be made of a wear-resistant material with good load-bearing capacity to ensure durability and reliability on the construction site. Furthermore, wheel assembly 2 can be designed as omnidirectional wheels to allow free movement in different directions, improving the flexibility of the device. As a preferred embodiment, wheel assembly 2 can be equipped with a braking device to lock it in place when a fixed position is required, further improving the stability of the device.

[0037] In a preferred embodiment of the above embodiments, the body 1 is equipped with a hydraulic rod, with its two ends connected to the cylinder 4 and the support 3, respectively. The hydraulic rod, by connecting the cylinder 4 and the support 3, provides an adjustable support structure. The use of the hydraulic rod provides additional stability and flexibility during the operation of the spraying device. In this way, the hydraulic rod solves the problem of insufficient stability that may be encountered during the use of the device, ensuring that the device can operate effectively and safely in different construction environments.

[0038] Specifically, the design of hydraulic rods allows for length adjustment under various working conditions, thus adapting to changes in terrain and environment. Hydraulic rods are available in various types, such as single-acting or double-acting rods, and the specific selection can be adjusted according to actual needs and the operating environment. Furthermore, the materials and structural design of hydraulic rods can be optimized according to load requirements to ensure their reliability and durability under external forces.

[0039] In a preferred embodiment of the above embodiments, a handle 5 is provided on the outside of the cylinder 4. Adding a handle 5 to the design of a centrifugal sprinkler system for construction sites helps improve the ease of operation. The handle 5 allows the operator to more easily move and adjust the position of the device, thus enabling more flexible use of the sprinkler system on the construction site.

[0040] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0041] The above description is merely an embodiment of this application and is not intended to limit the scope of this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of the claims of this application.

Claims

1. A centrifugal spraying device for construction sites, comprising a cylinder and an axial flow fan disposed inside the cylinder, characterized in that, The cylinder is connected to a shaft tube from back to front along the central axis. The rear end of the shaft tube is connected to a high-pressure water pipe. The front end of the shaft tube is rotatably connected to a nozzle that communicates with the shaft tube. The nozzle always divides the front end face of the cylinder into two semicircular surfaces. The nozzle has nozzles at both ends, and the two nozzles face different semicircular surfaces.

2. The centrifugal spraying device for construction sites according to claim 1, characterized in that, The front end of the cylinder is provided with a T-shaped limiting bracket, and the limiting bracket is provided with a bearing at the connection between the nozzle and the shaft tube to keep the nozzle rotating.

3. A centrifugal spraying device for construction sites according to claim 1, characterized in that, The rear end of the cylinder is equipped with a protective net.

4. A centrifugal spraying device for construction sites according to claim 1, characterized in that, The cylinder is provided with a support on its exterior, and the support is rotatably connected to the cylinder. A rotating platform is provided at the center of the bottom of the support.

5. A centrifugal spraying device for construction sites according to claim 4, characterized in that, The machine body is located below the rotating platform, and a detachable wheel assembly is located below the machine body.

6. A centrifugal spraying device for construction sites according to claim 5, characterized in that, The machine body is equipped with a hydraulic rod, and the two ends of the hydraulic rod are respectively connected to the cylinder and the bracket.

7. A centrifugal spraying device for construction sites according to claim 6, characterized in that, The cylinder is equipped with a handle on its exterior.

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