Dust-removing and haze-reducing cleaning vehicle with circulating flow-guiding air inlet device

Abstract

The utility model provides a dust removal and haze reduction cleaning vehicle with a circulating flow guide air inlet device. The dust removal and haze reduction cleaning vehicle comprises a chassis vehicle, a dust suction device, a garbage collection device and a dust collection device, wherein the dust suction device, the garbage collection device and the dust collection device are fixed on the chassis vehicle; the dust collection device comprises a suction port assembly, a negative pressure cabin and a fan, the suction port assembly is connected with the negative pressure cabin through a feeding hose, the fan is fixed to the top of the negative pressure cabin, and the garbage collection device is connected to the bottom of the negative pressure cabin; the dust collecting device comprises a dust cabin and a filtering device connected to the top of the dust cabin; and a circulating flow guide air inlet device connected with the fan is arranged at the top of the dust cabin and is used for introducing air with dust into the bottom of the dust cabin from the fan, so that the air is upwards and reversely blown to the filtering device from the bottom of the dust cabin. Air with dust can be in uniform contact with the filtering device, so that the filtering effect of the filtering device is enhanced.

Description

Technical Field

[0001] This utility model relates to the field of sanitation equipment technology, and in particular to a dust removal and haze reduction cleaning vehicle with a circulating air intake device. Background Technology

[0002] A cleaning truck is a common sanitation vehicle used for street cleaning. It utilizes the negative pressure generated by a fan to create a powerful airflow through a dust suction system. Dust and particles on the ground are sucked into the cleaning truck by the airflow. These dust and particles move with the airflow inside the pipes. Larger and heavier particles settle in the negative pressure chamber and enter the garbage bin of the cleaning truck, while lighter dust enters the filtration device with the air.

[0003] However, traditional cleaning vehicles use fans to directly draw air from the negative pressure chamber into the filtration device, causing the filtration device to be directly subjected to the high air pressure discharged from the negative pressure fan. This high-intensity air pressure impact not only significantly shortens the lifespan of the filtration device and increases equipment maintenance costs, but also, due to uneven air pressure distribution, causes the filtration area directly exposed to the airflow to suffer excessive pressure and is prone to damage, while the filtration area not directly exposed to the airflow cannot effectively perform its filtration function due to insufficient airflow. At the same time, because the dust collection filtration system's fan directly blows air onto the filtration device, it generates considerable noise, which not only poses a potential threat to the hearing health of operators but also may cause unnecessary noise pollution to the surrounding environment. Utility Model Content

[0004] To address the technical problems existing in the prior art, this utility model provides a dust removal and smog reduction cleaning vehicle with a circulating air intake device, including a chassis vehicle, and a dust collection device, a garbage collection device, and a dust collection device fixed on the chassis vehicle; the dust collection device includes a suction port assembly, a negative pressure chamber, and a fan, the suction port assembly is connected to the negative pressure chamber through a feed hose, the fan is fixed to the top of the negative pressure chamber, and the garbage collection device is connected to the bottom of the negative pressure chamber; the dust collection device includes a dust chamber and a filter device connected to the top of the dust chamber; the top of the dust chamber is provided with a circulating air intake device connected to the fan, which is used to introduce dusty air from the fan to the bottom of the dust chamber, and then blow it upwards from the bottom of the dust chamber to the filter device.

[0005] Furthermore, the circulating air intake device is an arc-shaped cylindrical structure, with its upper opening connected to the fan and its lower opening connected to the dust chamber, and the diameter of the circulating air intake device gradually expands from top to bottom.

[0006] Furthermore, the circulating air intake device is provided with several baffles arranged at radial intervals, dividing the circulating air intake device into several evenly spaced feeding channels.

[0007] Furthermore, the waste collection device includes a waste bin and a lifting device for supporting and driving the waste bin to rise and fall. The lifting device is fixed on the chassis vehicle, and the waste bin is sealed and connected to the negative pressure chamber after rising to a predetermined position.

[0008] Furthermore, the suction port assembly is connected to the bottom of the chassis vehicle via a telescopic component, which is used to lower the suction port assembly to contact the ground during operation.

[0009] Furthermore, the negative pressure chamber has an inlet on its side connected to the feeding hose, a waste outlet at its bottom connected to the waste collection device, and a dust outlet at its top connected to the dust collection device. The negative pressure chamber also has a guide plate extending from the inlet to the waste outlet, which is used to introduce large particles in the dust into the waste collection device.

[0010] Furthermore, the negative pressure chamber is also equipped with a strip brush assembly and a filter screen. The filter screen is fixed at the dust outlet to filter particles escaping from the guide plate. The strip brush assembly is slidably connected to the negative pressure chamber and is used to brush off particles adsorbed on the filter screen under the drive of the drive device.

[0011] Furthermore, the filtration device includes cloth bags disposed on both sides of the circulating air intake device, the cloth bags being folded in a serpentine structure and extending along the length of the dust chamber.

[0012] Furthermore, the filtration device also includes a vibration component for shaking off dust adsorbed on the cloth bag after the cleaning vehicle has finished its work.

[0013] Furthermore, the dust chamber has a V-shaped structure with a discharge port on one side of its bottom. The bottom of the dust chamber is also equipped with an auger assembly that extends along its length and is rotatably connected to it. When the auger assembly rotates, it drives the dust at the bottom of the dust chamber to be discharged from the discharge port.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model discloses a dust removal and smog reduction cleaning vehicle with a circulating air intake device. The device first introduces dust-laden air from the fan into the bottom of the dust chamber. Then, reflected by the bottom plate of the dust chamber, the air is blown upwards onto the filter, ensuring even contact between the dust-laden air and the filter. This fully utilizes the filtration function of the filter, enhancing its effectiveness. Furthermore, it avoids the filter directly bearing the high-power air pressure discharged from the fan, reducing noise and extending the filter's lifespan. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the dust removal and haze reduction cleaning vehicle of this utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the vacuum cleaner, garbage collection device and dust collection device of this utility model;

[0018] Figure 3 This is a partial cross-sectional view of the dust collection device, garbage collection device, and dust collection device of this utility model;

[0019] Figure 4 This is a front view of the vacuum cleaner, garbage collection device, and dust collection device of this utility model;

[0020] Figure 5 This is a schematic diagram of the dust chamber structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the negative pressure chamber of this utility model;

[0022] In the picture:

[0023] 1. Chassis vehicle; 2. Dust collection device; 21. Suction port assembly; 22. Negative pressure chamber; 221. Guide plate; 222. Filter screen; 223. Strip brush assembly; 224. Sealing gasket; 23. Fan; 24. Feed hose; 25. Fan bracket; 3. Waste collection device; 31. Waste bin; 32. Lifting device; 4. Dust collection device; 41. Filter device; 42. Dust chamber; 421. Circulating air intake device; 422. Screw assembly; 423. Discharge port. Detailed Implementation

[0024] To facilitate understanding of this utility model, 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 embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0025] The present invention will now be described in detail. In the following paragraphs, different aspects of the embodiments are defined in more detail. These aspects may be combined with any other aspect or multiple aspects unless explicitly stated otherwise. In particular, any feature considered preferred or advantageous may be combined with one or more other features considered preferred or advantageous.

[0026] In the description of this utility model, it should be understood that the terms "inner", "outer", "upper", "lower", "left" and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of this utility model.

[0027] refer to Figures 1 to 3 As shown, this embodiment discloses a dust removal and haze reduction cleaning vehicle with a circulating air intake device, including a chassis vehicle 1, and a dust collection device 2, a garbage collection device 3 and a dust collection device 4 fixed on the chassis vehicle 1.

[0028] The dust collection device 2 includes a suction port assembly 21, a negative pressure chamber 22 and a fan 23. The suction port assembly 21 is connected to the negative pressure chamber 22 through a feed hose 24, and the fan 23 is fixed on the top of the negative pressure chamber 22.

[0029] Waste collection device 3 is connected to the bottom of negative pressure chamber 22;

[0030] The dust collection device 4 includes a dust chamber 42 and a filter device 41 connected to the top of the dust chamber 42. The top of the dust chamber 42 is provided with a circulating air inlet device 421 connected to the fan 23, which is used to introduce dusty air from the fan 23 to the bottom of the dust chamber 42, and then blow it back up from the bottom of the dust chamber 42 to the filter device 41.

[0031] In this embodiment, the cleaning vehicle uses a circulating air intake device 421 to direct the dust-laden air output from the fan 23 to the bottom of the dust chamber 42. Then, reflected by the bottom plate of the dust chamber 42, the air is blown upwards onto the filter device 41, ensuring that the dust-laden air contacts the filter device 41 evenly. This fully utilizes the filtration function of the filter device 41, enhancing the filtration effect. Furthermore, it avoids the filter device 41 directly bearing the high-power air pressure discharged directly from the fan 23, reducing noise and extending the service life of the filter device 41.

[0032] Specifically, the suction assembly 21 is located below the chassis vehicle 1, with its left and right ends connected to the chassis vehicle 1 via telescopic components. The telescopic components include an electric actuator and a chain. The electric actuator is fixed to the chassis vehicle 1 by bolts and retaining rings. The output end of the electric actuator is fixedly connected to one end of the chain, and the other end of the chain is fixedly connected to the suction assembly 21. During operation, the output end of the electric actuator extends downwards, lowering the suction assembly 21 to contact the ground. Under the action of the fan 23, a negative pressure zone is formed around the suction assembly 21, sucking dust and particulate matter from the ground into the suction assembly 21. After operation, the output end of the electric actuator retracts upwards, raising the suction assembly 21 to a predetermined height, thereby improving the vehicle's passability.

[0033] Secondly, the negative pressure chamber 22 has an inverted trapezoidal box-shaped structure. Its inclined surface has an inlet connected to the feed hose 24, its bottom has a waste outlet connected to the waste collection device 3, and its top has a dust outlet connected to the dust collection device 4. The negative pressure chamber 22 has a guide plate 221 extending from the inlet to above the waste outlet. The end of the guide plate 221 has a downward-curved arc structure, used to guide large particles from the dust into the waste collection device 3. Through the guiding action of the guide plate 221, larger and heavier particles settle in the negative pressure chamber 22 and enter the waste collection device 3 of the cleaning vehicle, enhancing the waste sorting function of the vacuum system and reducing the filtration pressure on the filtration system.

[0034] refer to Figure 4 , Figure 6 As shown, the negative pressure chamber 22 is also equipped with a strip brush assembly 223 and a filter screen 222. Preferably, both the strip brush assembly 223 and the filter screen 222 are made of aluminum alloy to enhance their rigidity and wear resistance, thereby increasing their service life. The filter screen 222 is fixed to the dust outlet with fasteners and is used to filter particles escaping from the guide plate 221. The strip brush assembly 223 is fixed below the filter screen 222, with its top abutting against the bottom of the filter screen 222. Both ends of the strip brush assembly 223 are slidably connected to the negative pressure chamber 22 via guide rails. The strip brush assembly 223 is also connected to a drive device for driving its movement; preferably, the drive device is an electric actuator. When the drive device drives the strip brush assembly 223 to slide, it can brush away the particles adsorbed on the filter screen 222. This prevents particles from clogging the filter screen 222 and ensures the unobstructed flow of dust from the negative pressure chamber 22.

[0035] In some embodiments, the fan 23 is fixed above the negative pressure chamber 22 by the fan bracket 25, and the air inlet of the fan 23 and the dust outlet of the negative pressure chamber 22 are sealed together by the sealing gasket 224.

[0036] In some embodiments, reference Figure 3 , Figure 5As shown, the dust chamber 42 has a V-shaped structure, and the circulating air intake device 421 is a hollow arc-shaped cylindrical structure. Its upper opening is sealed to the air outlet of the fan 23, and its lower opening is connected to the dust chamber 42. The diameter of the circulating air intake device 421 gradually increases from top to bottom. Dust-laden air reaches the dust chamber 42 through the circulating air intake device 421, and then, under the reflection of the V-shaped bottom plate of the dust chamber 42, it is blown upwards back onto the filter device 41, allowing the dust-laden air to contact the filter device 41 evenly. In this embodiment, the circulating air intake device 421 adopts an arc-shaped design, which helps reduce turbulence and eddies in the airflow within the channel, making the airflow more stable and uniform. Simultaneously, the gradually increasing diameter of the circulating air intake device 421 from top to bottom increases the air intake area and reduces the airflow velocity entering the dust chamber 42, thereby increasing the uniformity of airflow distribution in the dust chamber 42, improving the contact area between the airflow and the filter device 41, and enhancing the dust filtration effect.

[0037] Furthermore, the circulating air intake device 421 is provided with several baffles arranged radially at intervals. Each baffle is an arc-shaped plate with the same curvature as the circulating air intake device 421, and its left and right sides are fixed to the inner wall of the circulating air intake device 421. The baffles divide the circulating air intake device 421 into several evenly spaced feeding channels. Multiple feeding channels allow for a more uniform distribution of airflow within the dust chamber 42, further improving dust collection efficiency.

[0038] In some embodiments, the filter device 41 includes cloth bags disposed on both sides of the circulating air intake device 421. The cloth bags are folded in a serpentine structure and extend along the length of the dust chamber 42. When dusty air passes through the cloth bags, the dust is adsorbed onto the cloth bags, and clean air is discharged through the cloth bags to the external environment. The filter device 41 also includes a vibration assembly for shaking off the dust adsorbed on the cloth bags after the cleaning vehicle has finished its work. The dust chamber 42 has a V-shaped structure, with a discharge port 423 on one side of its bottom. The bottom of the dust chamber 42 also has an auger assembly 422 extending along its length and rotatably connected to it. When the auger assembly 422 rotates, it drives the dust at the bottom of the dust chamber 42 to be discharged from the discharge port 423.

[0039] In some embodiments, the waste collection device 3 includes a waste bin 31 and a lifting device 32 for supporting and driving the waste bin 31 to rise and fall. The lifting device 32 is fixed to the chassis vehicle 1. After the lifting device 32 lifts the waste bin 31 to a predetermined position, it is sealed and connected to the negative pressure chamber 22. After the lifting device 32 lowers the waste bin 31 to the predetermined position, the operator can remove the waste bin 31 for easy cleaning of the waste inside.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A dust removal and haze reduction cleaning vehicle with a circulating air intake device, characterized in that, The system includes a chassis (1), and a dust collection device (2), a garbage collection device (3), and a dust collection device (4) fixed on the chassis (1). The dust collection device (2) includes a suction port assembly (21), a negative pressure chamber (22), and a fan (23). The suction port assembly (21) is connected to the negative pressure chamber (22) via a feed hose (24), and the fan (23) is fixed to the top of the negative pressure chamber (22). The garbage collection device (3) is connected to the bottom of the negative pressure chamber (22). The dust collection device (4) includes a dust chamber (42) and a filter device (41) connected to the top of the dust chamber (42). The top of the dust chamber (42) is provided with a circulating air intake device (421) connected to the fan (23) for introducing dusty air from the fan (23) to the bottom of the dust chamber (42), and then blowing it upward from the bottom of the dust chamber (42) to the filter device (41).

2. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The circulating air intake device (421) has an arc-shaped cylindrical structure. Its upper opening is connected to the fan (23), and its lower opening is connected to the dust chamber (42). The diameter of the circulating air intake device (421) gradually expands from top to bottom.

3. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 2, characterized in that, The circulating air intake device (421) is provided with several baffles arranged radially to divide the circulating air intake device (421) into several evenly spaced feeding channels.

4. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The garbage collection device (3) includes a garbage bin (31) and a lifting device (32) for supporting and driving the garbage bin (31) to rise and fall. The lifting device (32) is fixed on the chassis vehicle (1). After the garbage bin (31) rises to a predetermined position, it is sealed and connected to the negative pressure chamber (22).

5. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The suction port assembly (21) is connected to the bottom of the chassis vehicle (1) via a telescopic assembly, which is used to lower the suction port assembly (21) to contact the ground during operation.

6. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The negative pressure chamber (22) has a feed inlet on its side connected to the feed hose (24), a waste outlet at its bottom connected to the waste collection device (3), and a dust outlet at its top connected to the dust collection device (4). The negative pressure chamber (22) has a guide plate (221) extending from the feed inlet to the waste outlet. The guide plate (221) is used to introduce large particles in the dust into the waste collection device (3).

7. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 6, characterized in that, The negative pressure chamber (22) is also provided with a strip brush assembly (223) and a filter screen (222). The filter screen (222) is fixed at the dust outlet to filter particles escaping from the guide plate (221). The strip brush assembly (223) is slidably connected to the negative pressure chamber (22) and is used to brush off particles adsorbed on the filter screen (222) under the drive of the drive device.

8. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The filter device (41) includes cloth bags disposed on both sides of the circulating air intake device (421), the cloth bags being folded in a serpentine structure and extending along the length of the dust chamber (42).

9. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 8, characterized in that, The filtration device (41) also includes a vibration component for shaking off dust adsorbed on the cloth bag after the cleaning vehicle has finished its work.

10. The dust removal and haze reduction cleaning vehicle with a circulating air intake device according to claim 1, characterized in that, The dust chamber (42) has a V-shaped structure and a discharge port (423) on one side of its bottom. The bottom of the dust chamber (42) is also provided with an auger assembly (422) that extends along its length and is rotatably connected to it. When the auger assembly (422) rotates, it drives the dust at the bottom of the dust chamber (42) to be discharged from the discharge port (423).

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