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What is a dropside trailer?-CIMC fence trailer for sale

September 21, 2020

What is a dropside trailer?
Dropside is similar to as flatbed trailer, but it has the side wall. It is commonly used to transport bulk cargo. It has become the first choice for medium and long-distance freight trailers. It is mainly suitable for medium and long-distance transportation of medium and heavy and bulk cargo.

The side wall is a construction of several vertical posts where each post defines an inner surface disposed of in a common plane as well as a recessed portion. This type of trailer is composed of a floor and a sidewall that extends vertically upward. These side walls extend from the side edge of the trailer’s floor.

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Dropside trailer developed on the basis of a container flatbed trailer, the drop side trailer has a side wall structure design and wide range of uses.The cargo semi-trailer can be added with a container turn lock to transport the container.


How to choose side board trailer parts?
1. Kingpin
The 90 # traction pin represents the diameter of the traction pin is 90mm, and the material is mainly chromium alloy.
The side board semi-trailer and the tractor are all connected by it. It is connected to the traction seat of the main vehicle and also bears all the traction. It is an important component.
At present, the traction pins on the market are mainly divided into 4 types, assembly 50, assembly 90, welding 50, welding 90, users should choose according to different models and actual use.

2. Sidewall:
The side wall is divided into a flat plate and a vertical corrugated board. The vertical corrugated board is a typical board, and the strength will be higher. Can be detached or welded to death.

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3. Braking system
Brake air chambers are round metal containers, located at each wheel, where compressed air is converted into mechanical force to apply the brakes and stop the sidewall trailer.

The brake valve is used to control the braking of trucks or semi-trailers. It is suitable for trailers with a dual-line brake system, and parking or emergency brakes are air-braking brakes. It has the function of automatically causing the trailer brake when the control pipe connection of the trailer brake system is broken or leaking.


4. Suspension
Mechanical suspension
The mechanical suspension is our common leaf spring. It is mainly composed of a leaf spring, suspension support, connecting rod, U-bolt and other parts. The longitudinal force of the body falls directly on an axle.
The biggest advantage of this suspension is that it is cheap, reliable, and easy to maintain. At present, more than 80% of ordinary semi trailers use a leaf spring balanced suspension.
Air suspension
The most obvious feature of an air suspension is its airbag-type air spring. The weight of the air spring itself is relatively light, the air medium friction in the airbag is small, there is almost no noise during operation, and its life is 2-3 times that of the leaf spring.
The air spring has strict requirements on sealing and its cost is also high. air suspension for semi-trailers is mostly in high-end fields such as precision instrument transportation and hazardous chemical transportation.

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5. Landing gear
It also called a support device. It is located at the front of the semi-trailer frame and is used after the semi-trailer is separated from the tractor truck.
Support leg classification:
The single-action landing gear refers to the two sides operating independently, with two cranks, and each gear has a drop-deck trailers gearbox. The linkage landing gear refers to the two sides of the operation, only one crank, which is composed of a gearbox and a belt.