Jewelry trade HS code references

1. According to the type of legs: frog legs, x-shaped legs, and h-type legs.

2. What are the types of cranes: introduction of types. There are many kinds of cranes, and the classification skills are also different.

3. There are many kinds of truck cranes, and the classification methods are also different. Generally, it is classified according to the lifting weight: light truck cranes (lifting weight of less than 5 tons), medium truck cranes (lifting weight 5-15 tons), heavy truck cranes (lifting weight 5-50 tons) and super heavy truck cranes (lifting weight of more than 50 tons).

What are the functions of tower cranes and truck cranes

Tower cranes are a kind of crane used to transport various materials to high floors during construction. The lifting weight is usually not large. The biggest feature of the truck crane is that it can run through the road to the place where it needs to be used, that is, it has strong mobility.

The function of the tower crane: it is used to hoist the raw materials for construction such as rebar, corrugated steel, concrete and steel pipe for construction. Tower cranes are the most common on construction sites.A kind of lifting equipment, also known as "tower crane", is an indispensable equipment on the construction site.

Crane is a kind of mobile crane, which is usually composed of chassis, crane structure, legs and cab, etc. The main function of the crane is to load, unload and handle goods on the construction site or site. Therefore, cranes are also known as mobile cranes.

The function of the tower crane: The main function of the tower is to hoist materials, which can be horizontal transshipment or vertical transportation. The materials of its crane include rebar, corrugated, concrete, steel pipe, etc. Introduction to tower crane: Tower crane is the most commonly used lifting equipment on construction sites, also known as "tower crane".

hang and so on. Fixed type: dock crane, tower crane, gantry crane, etc. The name crane is a unified title. Cranes usually refer to automobile cranes, crawler cranes and tire cranes.It is widely used in lifting and handling machinery in ports, workshops, construction sites and other places. Cranes are used in lifting equipment, rescue, lifting, machinery and rescue.

What are the types of truck cranes?

According to the type of leg: frog leg, x-shaped leg, h-shaped leg.

What are the types of cranes: introduction of types. There are many kinds of cranes, and the classification skills are also different.

There are many kinds of truck cranes, and the classification methods are also different. Generally, it is classified according to the lifting weight: light truck cranes (lifting weight of less than 5 tons), medium truck cranes (lifting weight 5-15 tons), heavy truck cranes (lifting weight 5-50 tons) and super heavy truck cranes (lifting weight of more than 50 tons).

Type of cantilever beam: the frog leg span is narrow, which is only suitable for small-tonnage cranes. X-legs are easy to slip and rarely used. The H leg can achieve a larger span, which has obvious advantages for the stability of the whole machine. Therefore, most of the hydraulic truck cranes produced in China adopt H-shaped legs.

Types of cranes: movable: automobile cranes, crawler cranes, walking cranes, etc. Fixed type: dock crane, tower crane, gantry crane, etc. The name crane is a unified title. Crane is a kind of lifting and handling machinery widely used in ports, workshops, electricity, construction sites and other places.

Is the automobile crane a special equipment?

Car cranes are not special equipment according to national regulations, and car cranes are equipped withA kind of crane on the chassis of an ordinary car or a special car chassis, its driving cab is set separately from the lifting control room. The advantages of this kind of crane are good mobility and fast transfer.

Belongs to. Automobile cranes are special equipment. Special equipment refers to equipment designated by the national security regulatory department that is dangerous and harmful to personal safety or public safety, including cranes, pressure vessels, boilers, pressure pipes, elevators, passenger cableways, and large-scale amusement equipment.

does not belong to. The crane belongs to the truck crane, not the tire crane in the mobile crane. The essential difference between the two is whether it can move and walk after lifting heavy objects. Therefore, the crane is not a special equipment. Every year, like other vehicles, it is enough to go to the DMV for an annual inspection of the driving part.

What documents do I need to apply for for car cranes?

Two certificates are required to drive a crane, one is a B2 driver's license, and the second is a tower crane driver's certificate, that is, a tower crane operation certificate and a special operation certificate. Large trucks are B2 driver's license, and the vehicles allowed to be driven are heavy and medium-sized cargo vehicles; large, heavy and medium-sized special operation vehicles.

What documents are needed to drive a crane? What type of driver's license are required? Two certificates are required to drive a crane, one is a B2 driver's license, and the second is a tower crane driver's certificate, that is, a tower crane operation certificate, and a special operation certificate. Large trucks are B2 driver's license, and the vehicles allowed to be driven are heavy and medium-sized cargo vehicles; large, heavy and medium-sized special operation vehicles.

Have a driver's license: B2 or A2, and you can drive a car on the highway after completion.If you don't have a driver's license or have C1, you can't drive on the highway after learning, and you can operate cranes on the construction site. Crane is a kind of lifting and handling machinery widely used in ports, workshops, electricity, construction sites and other places. The name crane is the unified title of crane machinery.

Take the driver's certificate. First of all, the applicant must have a motor vehicle driver's license and be between 18 and 50 years old. At the same time, on the basis of having a driving qualification, you also need to obtain the corresponding driver level certificate. Applicants need to comply with specific policy provisions and have a high level of skills and operational experience.

The maximum lifting weight of an automobile crane

1. The non-conventional lifting of more than 10 tons of automobile cranes, and the conventional lifting weight of more than 30 tons needs to be proved by experts.Lifting and installation and disassembly projects: (1) Lifting and lifting projects with unconventional lifting equipment and methods, and a single-piece lifting weight of 100kN (10 tons) or more.

2. The maximum lifting weight is 150 tons, which cannot be less than its own 150 tons, but as the inclination of the boom changes, the lifting weight also changes. Crane is a kind of lifting and handling machinery widely used in ports, workshops, electricity, construction sites and other places. The name crane is the unified title of crane machinery.

3. Truck cranes generally adopt hydraulic telescopic boom technology. According to the size of the lifting weight, it can be divided into light (less than 20 tons), medium (20~50 tons) and heavy (more than 50 tons). In the minor repair series on this site, we will introduce the maximum lifting weight of the truck crane.

List of catalogs in this article:

• 1,Jewelry trade HS code references What are the types of truck cranes
• 2 , What are the functions of tower cranes and truck cranes
• 3, What are the types of truck cranes?
• 4、 Is the automobile crane a special equipment?
• 5、
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