How does an RGN Trailer Work?

This article will guide you through understanding the working principle of RGN lowboy trailers. As a primary semi-trailer for transporting heavy machinery and large cargo, the working principle of RGN trailers differs significantly from that of ordinary low-flatbed trailers. Understanding this principle is crucial for improving our transportation efficiency.

The core working principle of RGN trailers

The detachable gooseneck lowboy semi-trailer represents the pinnacle of modern ultra-heavy-duty logistics transport. Its core physical design aims to resolve the contradiction between the traditional trailer’s “loading height limitation” and “low loading and unloading efficiency”.

In the RGN trailer system, the gooseneck is not only a “bridge” connecting the tractor and the loading platform, but also a power loading mechanism with hydraulic logic. The diesel engine provides power to the hydraulic system to complete the separation of the front gooseneck. The front of the RGN lowboy trailer has a small ramp, which allows tracked construction machinery (excavators, bulldozers, etc.) to drive in autonomously with a very small climbing angle, completely freeing them from the constraints of traditional flatbed trucks that must rely on large cranes for loading and unloading.

The RGN operates through a precise interplay between hydraulic cylinder actuation and a mechanical locking mechanism. Its operation can be broken down into three stages:

Stage 1: Load Release
Before performing the dismantling operation, the operator applies pressure via the onboard diesel engine or the PTO of the tractor unit. First, activate the auxiliary support cylinder below the gooseneck to slightly raise the connection between the gooseneck and the tractor seat, reducing the stress on the locking pin. This step is critical for preserving the mechanical integrity and service life of the equipment; attempting to detach the gooseneck while under load would result in severe deformation of the locking structure.

Phase Two: Hinge Separation and Height Adjustment
Once the locking pins have been retracted, the main hydraulic cylinders begin to retract. At this juncture, the entire gooseneck functions as an independent lever system, pivoting around a specific hinge point. As the cylinders retract, the hydraulic suspension system located at the front of the trailer deck automatically lowers the deck to ground level. In the design of INTAI Trailers, we employ a precision fluid control valve block to ensure a smooth, controlled descent, thereby preventing sudden impacts caused by the gravitational force of the heavy load.

Phase Three: Tractor Departure and Load Loading
With the gooseneck completely separated from the trailer deck, the tractor unit drives the gooseneck forward, creating a spacious, unobstructed loading area. Once the heavy equipment has been positioned on the deck, the entire process is simply reversed to achieve a precise and secure reconnection.

RGN Trailer VS Standard Lowbed Trailer

1. Design Principle: The most direct distinction between a removable gooseneck lowboy trailer and a standard lowboy trailer is that the former features a detachable gooseneck, whereas the latter has a gooseneck that is integrated into the cargo deck and cannot be removed.
2. Cargo Deck Height: RGN trailers feature a lower cargo deck height—specifically, the deck sits below the level of the tires—whereas the cargo deck on a standard lowboy trailer is positioned above the tires.
3. Loading and Unloading Methods: Removable gooseneck lowboy trailers facilitate front-loading and unloading operations. Naturally, should your requirements necessitate rear-loading capabilities, we can design the trailer to accommodate both methods; these options are fully customizable features available for RGN trailers.

Under what circumstances should I choose an RGN semi trailer?

1.The primary consideration when choosing a detachable gooseneck lowboy trailer is transport height. If the cargo you transport is typically oversized in height, we recommend opting for an RGN trailer, as it effectively resolves issues related to transport height.

2.If the cargo you intend to transport exceeds 80 tons in weight, we highly recommend opting for a detachable gooseneck lowboy trailer, as its lower center of gravity significantly enhances transport safety.

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