Unmanned aerial vehicle is abbreviated as "UAV" in English. Since the birth of the aircraft in the early 20th century, people at that time have proposed the idea of ??unmanned aircraft due to the safety of flying the aircraft. It was not until the 1930s that the British Ferrer Company transformed a "Queen" dual fixed-wing aircraft into an unmanned target drone, which opened the prelude to the entry of unmanned aerial vehicles into aviation history.

The backhoe loader has the advantages of fast operation speed, high efficiency, good maneuverability and easy operation, so it has become one of the main types of earthwork construction in engineering construction; generally speaking, after the new backhoe loader leaves the factory, the general regulations have 20- The running-in period (or run-in period) of about 50 hours is stipulated according to the technical characteristics of the loader in the early stage of use. The following will introduce the precautions of the backhoe loader during the running-in period.

As a kind of efficient and advanced agricultural equipment, Agricultural Spraying Uav have developed rapidly in China in recent years. At present, there are more and more domestic companies engaged in the research and development and production of plant protection drones, and they are showing a rapid growth trend. There are nearly 400 UAV manufacturers in China, and there are more than 10 in our city.

First test whether the control mechanisms of the roller are flexible, and whether the forward and reverse driving, steering, accelerator and brake actions are normal.

Backhoe loader is a kind of earth and stone construction machinery widely used in highway, railway, construction, hydropower, port, mine and other construction projects. It is mainly used to shovel bulk materials such as soil, sand, lime, coal, etc. , hard soil, etc. for light shovel excavation. Safety precautions provided by the backhoe loader manufacturer for you:

We all know that the use of flatbed trailers has been very extensive, but do you know why flatbed trailers should pay attention to quality? Now let's learn this together.