Tower Crane Steel Structure, regarded as the main parts of tower crane, refers to the tower crane jib, tower crane counter jib, tower head, tower crane Telescoping Cage, tower crane turning table,tower crane pull rod, tower crane Mast Section, tower crane Fixing Angle, ect. Steel Structure is made of steel, which fits the name.
Tower crane jib is a metal lattice structure of a normally triangular section, whose main mission is to provide the crane with the necessary radius or range. It is also called a jib. Like the mast, it usually has a modular structure to facilitate its transport.
The Anchorage Frame secures the tower crane mast to a structure or framework and provides stability when the tower crane is under load or experiencing wind forces.
The hook is the main load-bearing component that hauls loads. It is attached to a trolley that allows the hook to raise and lower, as well as move towards and away from the mast.
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At present, households in the following rural areas of electric bicycles have become an essential means of transport for rural families. Not only that, it is also an essential means of transport for many wage earners. With the advantages of low-carbon, energy-saving and economical, it has won the favor of consumers.
The advantages of electric bicycles are practical, convenient, and economical, but they are not portable. As a result, buying and selling used cars is the most economical option for the highly liquid working class. The used car market will also be hot.
Although it is a used car, safety and reliability cannot be ignored. So for a novice, how to buy a used car that is also economically affordable? Please pay attention to the following points when purchasing second-hand electric bicycles:
First of all, pay attention to the source of the car. Try not to buy cars that are not in the right direction. Even if the car is new, the price is very low. When purchasing, you must check whether the documents are complete, ask for invoices, warranty cards and the like to ensure the proper source of the car. In order to avoid causing unnecessary disputes afterwards, spending money to find trouble.
Second, check the performance of the car.
It is used to buy a car. Riding on the road where people come and go, safety performance is very important. When buying, check whether the car's brakes are sensitive. It's best to try it and feel the sensitivity of the brakes. This is crucial. Then we must check the battery life, the average life of an ordinary electric vehicle battery is generally 1-2 years, do not rule out a special case of the battery can use a longer time, or inferior products can only use a few months. Therefore, the strength of the battery's battery life can generally be calculated from the oldness of the car and the time of purchase. Then the choice of motor is also very important, it is best to choose a brushed toothed motor, brush no teeth, or no brushing and no teeth, to the old motor or riding a long distance after the power consumption will be very obvious increase.
Third, look at the manufacturer. Manufacturers are equally important for second-hand car owners, and generally good manufacturers have good after-sales services. There will be a certain period of free vehicle warranty, as well as battery and motor warranty. It's best to know in advance about the car purchase time and the reputation of the brand after-sale service.
In the end, of course, depending on the price, it is the unanimous pursuit of buyers. The advantage of online shopping is that you can compare the information of all the buyers one by one. Shoppers can always pick more affordable items.
Now go to the market to buy used cars on the OUT, we all go to the online used car market. Sites like Jiji.com and 58.com are all very good sites. The China Electric Vehicle Network City Station is also a very good electric vehicle professional website. Its website not only has a large number of reliable second-hand electric vehicle transaction information, but also has knowledge of professional electric vehicle purchase, use, and maintenance. .