Rotatable spraying device

Abstract

The utility model discloses a rotatable spraying device which comprises a cleaning vehicle, a water tank is fixed to the cleaning vehicle and used for bearing and transporting clear water, a high-pressure water pump is installed on the upper end face of the water tank, and the water inlet end of the high-pressure water pump is connected with the water tank. The water guide frame is fixed to the left side of the cleaning vehicle, the water guide frame is connected with the water conveying end of the high-pressure water pump through a water pipe, a tap pipe is further fixed to the water guide frame, and the tap pipe is connected with a rotary connector. According to the rotatable spraying device, kinetic energy generated by the counter-acting force of high-pressure water flow drives the spraying rod, the connecting pipe and the fan to rotate together, so that atomized water can be sprayed farther, compared with the prior art, no power system is additionally arranged, and the spraying and dust falling effects are greatly improved; and high-pressure water on the cleaning vehicle is used as a power source of the spraying rod, the connecting pipe and the fan, so that the cleaning vehicle is more environment-friendly and is matched with the idea of dust falling and environmental protection of a spraying device of the cleaning vehicle.

Description

Technical Field

[0001] This utility model relates to the technical field of spray devices for electric sanitation vehicles, specifically a rotatable spray device. Background Technology

[0002] Most existing cleaning trucks are equipped with a spray device. This device uses a high-pressure water pump to spray high-pressure water through atomizing nozzles, creating a fine mist of micron-sized water particles. In smoggy weather, this mist can reduce dust, decompose and reduce the concentration of particulate matter in the air, and effectively break down pollutants and dust, thus mitigating smog. Cleaning trucks equipped with spray devices are widely used for: dust suppression on urban roads, epidemic prevention and disinfection, environmental humidification, and landscaping.

[0003] However, in the existing technology, the spray atomization effect of the traditional cleaning truck with spray device is poor, the spray distance is short, and the actual dust reduction effect is negligible. Moreover, due to the short spray distance, a large amount of water falls on the rear working platform. Therefore, the spray device is not used frequently in the actual operation of the cleaning truck, making this function gradually become useless.

[0004] Therefore, to address the aforementioned issues, a rotating spray device is designed to better meet practical application requirements. Utility Model Content

[0005] The purpose of this invention is to provide a rotatable spraying device to solve the problems mentioned in the background art, such as poor spray atomization effect, short spray distance, and poor dust suppression effect.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rotatable spraying device, including a cleaning vehicle, on which a water tank is fixed for carrying and transporting clean water, and a high-pressure water pump is installed on the upper surface of the water tank, with the inlet end of the high-pressure water pump connected to the water tank.

[0007] Also includes:

[0008] A water guide frame is fixed on the left side of the cleaning vehicle. The water guide frame is connected to the water delivery end of the high-pressure water pump through a water pipe. A branch pipe is also fixed on the water guide frame. The branch pipe is connected to a rotary joint. The rotary joint is connected to the upper end of a connecting pipe. A hollow spray bar is fixed to the lower end of the connecting pipe. A baffle is welded and fixed on the spray bar. An atomizing nozzle is also fixed to the lower end face of the spray bar.

[0009] Preferably, the branch pipes are evenly distributed on the water guide frame, and the water guide frame has an arc-shaped structure. The branch pipes and the rotary joints are distributed in a one-to-one correspondence. By installing and fixing the rotary joints with multiple branch pipes, the water mist spraying range can be increased.

[0010] Preferably, the rotary joint and the connecting pipe are connected by threads, and the rotary joint and the connecting pipe form a sealing mechanism. Through the sealing effect between the rotary joint and the connecting pipe, water leakage can be avoided.

[0011] Preferably, the connecting pipe, spray bar, and baffle are all made of stainless steel. By limiting the materials of the connecting pipe, spray bar, and baffle, rust and damage to the connecting pipe, spray bar, and baffle can be avoided during long-term use.

[0012] Preferably, the outer surface of the connecting pipe is also welded with fan blades, and the fan blades are distributed in three sets at equal angles with respect to the center of the connecting pipe. The fan blades are set above the spray bar. Through the rotation of the fan blades, the atomized water can be sprayed more evenly and the atomized water can be sprayed further.

[0013] Preferably, the spray bar and the connecting pipe are vertically distributed, and the spray bar has an arc-shaped structure. The vertical distribution between the spray bar and the connecting pipe can ensure the normal operation of the device.

[0014] Preferably, the baffles are symmetrically distributed about the center line of the spray bar, and the baffles are located outside the atomizing nozzle. Through the action of the baffles, the water mist sprayed by the atomizing nozzle can be partially blocked, thereby providing a basic force for the rotation of the connecting pipe.

[0015] Preferably, two sets of atomizing nozzles are fixed on the lower end face of the spray bar, and the direction of water flow from the atomizing nozzles forms an angle α (30° to 45°) with the rotation center axis of the rotary joint, and the direction of water flow from the atomizing nozzles forms an angle β (15° to 30°) with the high-pressure water pump. By limiting the installation angle of the atomizing nozzles, a basic guarantee can be provided for the automatic rotation of the device.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: This rotatable spray device uses the kinetic energy generated by the reaction force of the high-pressure water flow to drive the spray bar, connecting pipe and fan to rotate together, so that the atomized water can be sprayed further. Compared with the traditional technology, no additional power system is added, which greatly improves the dust suppression effect of spraying. Moreover, it uses the high-pressure water that is already on the cleaning vehicle as the power source for the spray bar, connecting pipe and fan, which is more environmentally friendly and in line with the dust suppression and environmental protection concept of the spray device of the cleaning vehicle. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the water guide frame of this utility model;

[0018] Figure 2 This is a three-dimensional structural diagram of the connection between the rotary joint and the connecting pipe of this utility model;

[0019] Figure 3 This is a front view schematic diagram of the connection between the rotary joint and the connecting pipe of this utility model;

[0020] Figure 4 This is a front view cross-sectional structural diagram of the rotary joint and connecting pipe connection of this utility model;

[0021] Figure 5 This is a schematic diagram of the spray bar structure from below.

[0022] Figure 6 This is a top view of the water guide frame installation structure of this utility model.

[0023] In the diagram: 1. Cleaning truck; 2. Water tank; 3. High-pressure water pump; 4. Water guide frame; 5. Branch pipe; 6. Rotary joint; 7. Connecting pipe; 701. Fan blade; 8. Spray bar; 9. Baffle; 10. Atomizing nozzle. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figures 1-6 This utility model provides a technical solution: a rotatable spraying device, including a cleaning cart 1, on which a water tank 2 is fixed for carrying and transporting clean water, and a high-pressure water pump 3 is installed on the upper surface of the water tank 2, with the water inlet end of the high-pressure water pump 3 connected to the water tank 2; it also includes: a water guide frame 4, fixed on the left side of the cleaning cart 1, the water guide frame 4 being connected to the water delivery end of the high-pressure water pump 3 through a water pipe, a branch pipe 5 being fixed on the water guide frame 4, the branch pipe 5 being connected to a rotary joint 6, the rotary joint 6 being connected to the upper end of a connecting pipe 7, a hollow spray bar 8 being fixed at the lower end of the connecting pipe 7, a baffle 9 being welded and fixed on the spray bar 8, and an atomizing nozzle 10 being fixed at the lower end of the spray bar 8.

[0026] The branch pipes 5 are evenly distributed on the water guide frame 4, and the water guide frame 4 has an arc-shaped structure. The branch pipes 5 and the rotary joints 6 are distributed in a one-to-one correspondence. The rotary joints 6 and the connecting pipes 7 are connected by threads, and the rotary joints 6 and the connecting pipes 7 form a sealing mechanism. The connecting pipes 7, the spray bar 8 and the baffle 9 are all made of stainless steel.

[0027] When using this rotatable spray can, such as Figure 1-6As shown, the entire device is first installed on the cleaning vehicle 1, and the high-pressure water pump 3 is powered by the power supply on the cleaning vehicle 1. When spraying water mist, the high-pressure water pump 3 is started. The high-pressure water pump 3 can transport the water in the water tank 2 to the water guide frame 4. Through the multi-component pipe 5 and the rotary joint 6, the water can enter the connecting pipe 7 and the spray bar 8, and be sprayed through the atomizing nozzle 10, thereby realizing the water mist spraying operation. The sealing effect between the rotary joint 6 and the connecting pipe 7 can prevent water leakage at the interface between the rotary joint 6 and the connecting pipe 7.

[0028] The outer surface of the connecting pipe 7 is also welded with fan blades 701, and three sets of fan blades 701 are distributed at equal angles with respect to the center of the connecting pipe 7, and the fan blades 701 are positioned above the spray bar 8; the spray bar 8 is perpendicular to the connecting pipe 7, and the spray bar 8 has an arc-shaped structure; the baffle 9 is symmetrically distributed about the center line of the spray bar 8, and the baffle 9 is positioned outside the atomizing nozzle 10; two sets of atomizing nozzles 10 are fixed on the lower end face of the spray bar 8, and the direction of water flow from the atomizing nozzle 10 forms an angle α (α angle is 30° to 45°) with the rotation center axis of the rotary joint 6, and the direction of water flow from the atomizing nozzle 10 forms an angle β (β angle is 15° to 30°) with the high-pressure water pump 3.

[0029] When carrying out water spraying operations, such as Figures 1-5 As shown, by combining the angle α formed between the direction of the water flow from the atomizing nozzle 10 and the rotary joint 6, and the angle β formed between the atomizing nozzle 10 and the high-pressure water pump 3, part of the water flow from the atomizing nozzle 10 is atomized and enters the air, while part of the water flow hits the baffle 1, creating a reaction force. The component of the reaction force provides the centripetal force for the rotation of the spray bar 8, causing the spray bar 8 to start rotating under the action of the centripetal force. This causes the connecting pipe 7 and the fan 701 to rotate, generating wind along the axial direction of the rotation axis. This wind can blow the atomized water droplets sprayed from the atomizing nozzle 10 a certain distance, allowing the atomized water molecules to combine with dust in the air for a longer time, condensing into large water droplets that fall to the ground, thus achieving a good dust suppression effect. This is the working principle of the rotatable spray device.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rotatable spraying device, comprising a cleaning vehicle (1), wherein a water tank (2) is fixed on the cleaning vehicle (1) for carrying and transporting clean water, and a high-pressure water pump (3) is installed on the upper end face of the water tank (2), wherein the water inlet end of the high-pressure water pump (3) is connected to the water tank (2); Its features are, Also includes: A water guide frame (4) is fixed on the left side of the cleaning vehicle (1). The water guide frame (4) is connected to the water supply end of the high-pressure water pump (3) through a water pipe. A branch pipe (5) is also fixed on the water guide frame (4). The branch pipe (5) is connected to the rotary joint (6). The rotary joint (6) is connected to the upper end of the connecting pipe (7). A hollow spray rod (8) is fixed at the lower end of the connecting pipe (7). A baffle (9) is welded and fixed on the spray rod (8). An atomizing nozzle (10) is also fixed on the lower end face of the spray rod (8).

2. The rotatable spraying device according to claim 1, characterized in that: The branch pipes (5) are evenly distributed on the water guide frame (4), and the water guide frame (4) has an arc-shaped structure. The branch pipes (5) and the rotary joints (6) are distributed in a one-to-one correspondence.

3. The rotatable spraying device according to claim 1, characterized in that: The rotary joint (6) and the connecting pipe (7) are connected by a thread, and the rotary joint (6) and the connecting pipe (7) form a sealing mechanism.

4. The rotatable spraying device according to claim 1, characterized in that: The connecting pipe (7), spray bar (8) and baffle (9) are all made of stainless steel.

5. A rotatable spraying device according to claim 1, characterized in that: The outer surface of the connecting pipe (7) is also welded with fan blades (701), and the fan blades (701) are distributed in three groups at equal angles with respect to the center of the connecting pipe (7), and the fan blades (701) are located above the spray bar (8).

6. A rotatable spraying device according to claim 1, characterized in that: The spray bar (8) and the connecting pipe (7) are vertically distributed, and the spray bar (8) has an arc-shaped structure.

7. A rotatable spraying device according to claim 1, characterized in that: The baffle (9) is symmetrically distributed about the center line of the spray bar (8), and the baffle (9) is located outside the atomizing nozzle (10).

8. A rotatable spraying device according to claim 1, characterized in that: Two sets of atomizing nozzles (10) are fixed on the lower end face of the spray bar (8), and the direction of water flow from the atomizing nozzles (10) forms an angle α with the rotation center axis of the rotary joint (6), the angle α being 30° to 45°, and the direction of water flow from the atomizing nozzles (10) forms an angle β with the high-pressure water pump (3), the angle β being 15° to 30°.

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