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Commonly used machinery and equipment in the construction industry include excavators, bulldozers, road rollers, tower cranes, cranes, etc.
1. Excavator
Excavators are one of the most commonly used mechanical equipment in construction projects. They are mainly used for foundation excavation, tunnel excavation, foundation construction and road construction. It consists of chassis, engine, hydraulic system and stick system, and can complete some tasks that are difficult to complete manually.
2. Bulldozer
A bulldozer is a widely used piece of machinery, consisting of a dozer blade and a track system, and is primarily used to move and level soil, rocks and gravel on the ground or pavement. In construction projects, bulldozers are often used in operations such as clearing the ground, building roads, and filling soil.
3. Road roller
Road rollers are mainly used to compact asphalt, cement, gravel and other materials to better connect them to the ground. They are often used in road construction and foundation projects. According to different work requirements, road rollers can be divided into wheel rollers and crawler rollers.
4. Tower crane
Tower crane is one of the necessary mechanical equipment in the construction industry. It is mainly used for vertical or horizontal transportation, assembly, loading and unloading of buildings. When constructing high-rise buildings, tower cranes are usually placed at the highest end of the building to carry out vertical transportation of building materials.
5. Crane
Cranes are one of the most important pieces of machinery in the construction industry, used to handle heavy objects and move them to designated locations. Commonly used cranes include tower cranes, telescopic boom cranes, gantry cranes and other types.
There are many types of mechanical equipment in the construction industry. The above are some of the main mechanical equipment. Their application scenarios are different, but they all play an important role. As technology continues to improve, mechanical equipment in the construction industry is also constantly developing and upgrading.

The structural components of the road roller mainly include the following parts:
Chassis – It is the foundation of the roller and usually consists of the front and rear wheels and the roller at the rear. The wheels and rollers can be height-adjusted to suit different road conditions.
Cab – usually located in front or in the middle of the chassis, contains a steering wheel, seats, control levers, etc., providing the operator with a comfortable working environment and safety.
Engine – usually a diesel engine, provides the source of power. It requires an effective cooling system and air filter for proper operation.
Hydraulic system – including pressure oil circuit, return oil circuit, liquid regulating valve, oil cylinder, etc., controls the descending speed and pressure of the roller.
Vibration system – including vibration motor, connecting rod, crankshaft and eccentric wheel to improve road rolling efficiency.
Roller – Also known as roller or drum, it is the core component of the road roller and is responsible for flattening and compacting the road surface. Its diameter and width can be adjusted according to construction requirements.
In addition, the road roller also includes tires , traveling mechanism , working mechanism  and other parts. Tires or tracks provide the action of the machine, and the working mechanism is used to compact the road surface. These components work together to make the roller an efficient road construction equipment.

1. Definition
Forklifts and forklifts are both vehicles used for loading and unloading goods. The difference between them lies in their application situations and differences in appearance and structure. A forklift, also called a truck forklift, is a truck with the function of a forklift, usually used for short-distance freight operations. A forklift, also called a forklift or a handling machine, is generally a simple cargo handling tool.
2. Purpose
The main purpose of forklifts is short-distance cargo transportation. They can also be used for handling and stacking of warehousing goods. They are suitable for logistics distribution, factory operations and other occasions. In contrast, a forklift is a specialized material handling tool that can be used in various logistics and warehousing situations, such as loading and unloading trucks, cargo handling, warehouse entry and exit, stacking and other operations.
3. Appearance and structure
A forklift is a general-purpose truck. The front cockpit and cargo compartment are integrated, and the center of the body is equipped with a fork for carrying items. A forklift, on the other hand, does not have a car cab or compartment. It is equipped with a control handle on the front of the body, and the chassis is equipped with an engine, gearbox, tires and front and rear suspension.
4. Advantages and Disadvantages
Forklifts are larger and have a larger load capacity than forklifts, and can carry out logistics distribution via roads; however, their handling efficiency is relatively low and cannot meet the needs of fast and efficient logistics operations. Forklifts have higher handling efficiency and are relatively flexible in operation. They can be suitable for handling items of different sizes and weights, but their maneuverability and load-carrying capacity are relatively weak.
5. Choose which vehicle is more suitable
The choice of forklift and forklift truck should be made based on the actual situation. If you need to carry out short-distance freight and other road transportation operations, it is recommended to choose a forklift; in warehousing situations, it is generally more appropriate to choose a forklift. If you need to carry out short-distance transportation in factories or workshops, you can consider preparing a forklift and a forklift to give full play to their advantages and improve transportation efficiency.

Forklifts and forklifts are different in function and appearance, and each has its own advantages and disadvantages. The selection and use should be judged based on actual needs. Forklifts are generally used for short-distance road transportation and are suitable for logistics distribution, in-factory handling and other occasions; while forklifts are mainly used in logistics and warehousing situations, such as loading and unloading trucks, entering and exiting warehouses, stacking and other operations.