Garbage trucks are indispensable special vehicles for modern urban environmental governance. The origin of garbage trucks has to start in Europe in the 1920s and 1930s.
According to historical data, the garbage truck was initially driven by horses, with a very simple shape and a relatively simple structure.
After the advent of the automobile in the 1920s, this garbage truck was gradually replaced by an open-top garbage truck. However, open garbage trucks are prone to overflow, and the odor and dust cannot be controlled. The pollution problem is particularly serious in summer, which is a big problem in densely populated cities.
Open garbage trucks were quickly phased out, and replaced by covered garbage trucks that appeared in Europe. This garbage truck consists of a watertight box and a weight-lifting dumping mechanism, but loading garbage is still a time-consuming and laborious task.
Covered(Sealed) garbage trucks were already common in the United States in the 1930s. However, urban waste disposal still requires a lot of labor. In 1935, George Robbie Dempster designed a brand new garbage truck. Workers only needed to use the elevator to load the garbage into the container of the covered part of the garbage truck, which greatly reduced the labor force by 75%.
Since then, an external hopper garbage truck has appeared. Its loading funnel is set at the back of the truck, which makes loading and unloading garbage more convenient and fast; but the disadvantages are also very obvious. Loading and unloading bulky garbage, etc.
Later, the Germans invented a new concept of a rotary garbage truck. This garbage truck has a screw mechanism similar to a cement mixer. With this device, larger garbage, such as TV sets or furniture, can also be shredded, and the garbage can be collected at the front of the box. Unfortunately, this garbage truck did not succeed in the future.
The subsequent development of the rear compactor garbage truck was invented by Wood in 1938. The rear-compactor garbage truck combines the advantages of the external hopper garbage truck and uses a hydraulic cylinder to drive the garbage tray, which makes the garbage compression ability stronger and the garbage truck’s carrying capacity larger. In the late 1950s, such garbage trucks played an important role in collecting commercial and industrial waste.
In addition to this, there was another popular side loader garbage truck at the time. It consists of a durable cylindrical refuse collection unit. The refuse is thrown into an opening on the side of the box. A hydraulic cylinder or platen will push the refuse to the rear of the box. Once filled, the hydraulic cylinder or platen acts as a jet. , which allows garbage to be thrown horizontally. This garbage truck can’t handle huge garbage, but it saves human labor greatly.
The front loader and unloading garbage truck invented by Dempster Truck Company in the mid-1950s was the most advanced garbage truck at the time. The front loading and unloading garbage truck has a mechanical arm that can pick up or put down the container, which greatly reduces human labor. This garbage truck can carry a capacity of 35-40 cubic meters, making it easy to deal with commercial waste.
In recent decades, compactor garbage trucks have become the main equipment for urban garbage removal and transportation. Compared with the traditional garbage transport vehicles, the compression garbage trucks have extremely high environmental performance, and can control the overflow of sewage, odors, and noise disturbance during operation, and reduce the impact of garbage removal on the surrounding environment and personnel. influences. With the continuous improvement of the country’s environmental governance standards, the manufacturing standards and technical level of compactor garbage trucks are also developing rapidly in the direction of intelligence, efficiency, energy saving and environmental protection.
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