Road sweeper truck 1. Working principle of road sweeper
The road sweeper is equipped with four brushes, with a rear suction nozzle. The left and right front brushes concentrate the garbage in the corner from the outside to the inside, sweeping towards the range that the middle brush can reach. The middle brush sweeps the garbage to the front of the suction nozzle, and the garbage is sucked into the garbage bin by the suction nozzle for storage. In order to reduce the secondary dust pollution during the cleaning process, the road sweeper is equipped with water nozzles above the left and right front sweepers to generate spray for dust suppression.
2. Applicable environment for road sweeper
Due to the fact that the road sweeper only generates water mist through the water spray nozzle above the sweeping disc during cleaning, and there is no filtration system inside the box, some dust will be discharged from the fan outlet to generate secondary dust pollution. So road sweepers are more suitable for places with less dust on the road surface, such as urban main roads, highways, ring roads, airports, docks, etc. They are not suitable for places with too much dust on the road surface, such as cement plants and coal plants.
Overview of the structure and functions of the street sweeper
The series high-efficiency vacuum street sweeper is a new generation of specialized equipment for pavement, curb cleaning, sweeping, and dust suppression, designed and developed independently by our company, with independent intellectual property rights and international leading technology. This street sweeper combines the functional characteristics of a street cleaning vehicle and a high-pressure cleaning vehicle, addressing the limitation of vacuum trucks that cannot clean curbs on urban roads. During operation, the sweeping brush sweeps ground debris towards the inside of the vehicle, while stubborn attachments on the pavement are dislodged by the water flow from the high-pressure spray bar, which is then sucked into the garbage bin by the suction cup. It features characteristics such as being environmentally friendly, fully functional, reasonably designed, low energy consumption, large cleaning range, and long service life. (1) Applicable Scope 1. Daily cleaning work for urban roads, highways, squares, airports, docks, tunnels, bridges, isolation walls, and other pavements and curbstones. 2. Cleaning and sweeping of main roads in construction sites and factory areas. (2) Structural Design and Components It consists of the washing and sweeping operation part and the walking part. It includes a Class II vehicle chassis, auxiliary beam, auxiliary engine, fan, clutch, high-pressure water pump, watering pump, clean water tank, auxiliary engine compartment, rear water tank + garbage bin, sweeping disc, suction cup, combined spray bar, hydraulic system, electric control system, waterway system, air system, front spray, rear spray, self-cleaning device, and more.
Product Function Introduction and Display
1. Washing and Sweeping Working Principle: The auxiliary engine drives the hydraulic oil pump, high-pressure water pump, and fan. The hydraulic oil pump drives the left and right sweeping discs to extend, lift, and rotate. The left and right sweeping brushes, driven by the rotation of the sweeping discs, sweep the debris on both sides to the front of the suction cup. At the same time, the high-pressure water pump pressurizes the clean water from the water tank and delivers it through the high-pressure pipeline control valve to the water spray rods inside the suction cup and the left and right spray rods. The fan-shaped high-pressure nozzles spray a fan-shaped water curtain, forming a U-shaped water knife with a total width of no less than 3.5 meters to dislodge ground attachments. The suction cup utilizes the negative pressure generated by the fan to draw garbage into the garbage bin through the air duct. Depending on the working environment, the left and right side brushes can be independently controlled, with 6 operational modes available: 'Full Sweep', 'Left Sweep', 'Right Sweep', 'Full Clean', 'Left Clean', and 'Right Clean'. 2. Curbstone and curbstone face washing: During the sweeping operation, for sidewalks and vertical walls that are higher than the pavement, the ball valves on the left and right spray arms can be opened. High-pressure water is sprayed through the spray pipes, creating a high-pressure water curtain that can wash the curbstone and curbstone face.
Rear spray dust suppression: A spray bar is equipped under the garbage bin at the rear of the street sweeper, with multiple spray nozzles installed on the spray bar. To prevent secondary pollution caused by dust raised during operation, the rear spray switch can be activated, allowing high-pressure water flow to be sprayed in a mist form through the nozzles, effectively settling dust on the ground and purifying the air.
Low-pressure washing: For relatively clean pavements, the low-pressure washing function can be activated, driven by the power take-off of the chassis to achieve the low-pressure washing capability of the water spraying vehicle.
5. High-pressure cleaning: The whole vehicle is equipped with a 20-meter automatic winding reel and a high-pressure lance, making it convenient for users to clean the vehicle while parked, keeping it clean and preventing dust accumulation that could cause blockages in the oil and air lines, affecting the vehicle's lifespan. 6. Front-point washing device: Driven by a high-pressure water pump, it can be used in conjunction with sweeping operations to wash and clean targeted dirt on the pavement in advance, while avoiding dust generation during the sweeping process. It can also be used on cleaner pavements in conjunction with low-pressure washing operations to reduce pavement dryness. 7. Self-cleaning function: To prevent solid waste residues from adhering to the interior of the garbage bin during the tipping process, which can lead to corrosion of the bin and affect the product's lifespan, a self-cleaning nozzle is installed inside the bin. The high-pressure water flow generated can flush all waste residues out of the bin. The street sweeper is a new concept sanitation product that saves time, money, effort, and is highly efficient, energy-saving, and environmentally friendly. (4) Product Advantages 1. High-performance and environmentally friendly The efficient street sweeper utilizes high-pressure water flow and inclined sweeping brushes to sweep waste to the front of the suction cup. Under the negative pressure generated by the fan, the airflow in the closed loop sucks the waste into the garbage bin for storage. The entire operation process is based on physical principles, which do not produce chemical waste or cause secondary pollution to the environment due to waste leakage. At the same time, the rear spray mist effectively reduces the concentration of dust in the air, addressing the issue of dust pollution. The cleaning efficiency is high, and this model's comprehensive features address various pavement environments. The cleaning efficiency reaches over 98% in a single operation, with functions including targeted washing, sweeping, curbstone cleaning, rear spraying, low-pressure washing, and a cleaning method that employs a centrally positioned suction cup with left and right side spray rods. It can effectively handle dust and garbage on the pavement, in gutters, at bends, and on curbstones, ensuring a clean and tidy environment.
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