A trailer for transporting granular material, such as sand or proppant, has a purpose-built shape, and loading and unloading hatches at top and bottom. The trailer includes a hollow vessel for holding granular material. The vessel is enclosed with top and bottom hatches. The vessel has a tapered lower section and a domed upper section, allowing bulk material to be piled and concentrated horizontally below and above the hatches. A chassis extends fore and aft of the vessel, and potentially through an interior of the vessel. The chassis may extend upward from a wheeled section so as to pass through a vertically central part of the vessel. The chassis may also act as a trailer suspension system. The vessel may be made of aluminium and mounted to the steel chassis.

A couplable automotive road vehicle includes two front wheels, a chassis having a front part and a rear part, an articulated connection device, and front and rear couplings. A wheel cylinder is defined as the cylindrical geometric shape surrounding the two front wheels when the wheels are not turned. The front part of the chassis includes a chassis beam disposed behind the front wheels, outside the wheel cylinder. The front coupling includes a yaw rigid coupling module mounted on the chassis beam between the two front wheels. The vehicle includes, for each front wheel, a suspension arm mounted on the chassis beam and extending around the wheel cylinder, above same, and a tie rod for controlling the steering device, located above the wheel cylinder.

A materials handling vehicle comprising a path validation tool and a drive unit, steering unit, localization module, and navigation module that cooperate to navigate the vehicle along a warehouse travel path. The tool comprises warehouse layout data, a proposed travel path, vehicle kinematics, and a dynamic vehicle boundary that approximates the vehicle physical periphery. The tool executes path validation logic to determine vehicle pose along the proposed travel path, update the dynamic vehicle boundary to account for changes in vehicle speed and steering angle, determine whether the dynamic vehicle boundary is likely to intersect obstacles represented in the layout data based on the determined vehicle pose at candidate positions along the proposed travel path, determine a degree of potential impingement at the candidate positions by referring to the dynamic vehicle boundary and obstacle data, and modify the proposed travel path to mitigate the degree of potential impingement.

An improved articulated heavy haul trailer combination comprises a trailing accessory vehicle such as a booster coupled to a main trailer by a coupling. The coupling includes a horizontal hinge, a vertical hinge that allows the trailing accessory vehicle to yaw in a horizontal plane, a spreader extending between the hinges and a hydraulic piston and cylinder. A turn sensor mounted on said combination detects yawing, and a controller reduces the piston and cylinder's downward biasing force on the coupling.

A drive assist device installed in a tractor vehicle having a connection portion to be connected to a vehicle to be towed, includes: an image acquisition unit which acquires an image taken from a camera that shoots a scene in a shooting range including the connection portion; a position detection unit which detects a position of a counterpart connection portion, to be connected to the connection portion, of the vehicle to be towed; a predicted line generation unit which generates a predicted course line that the connection portion is expected to follow based on a steering angle of the tractor vehicle; a deviation calculation unit which calculates a deviation between the counterpart connection portion and the predicted course line as defined herein; a support image generation unit which generates a support image as defined herein; and an image synthesis unit which generates a synthesized image as defined herein.

The invention relates to a device comprising a stationary transfer station (3) and a trailer train (1) comprising at least one trailer-train trailer (2), for transferring loads (L) from the trailer-train trailer (2) into the stationary transfer station (3), the trailer-train trailer (2) being provided with a continuous conveyor (25) driven by a motor (27), for receiving the load (L). The motor (27) of the continuous conveyor (25) of the trailer-train trailer (2) is powered by a battery (6) of the trailer train (1). Another continuous conveyor (30) driven by another motor (32) is arranged in the transfer station (3), for receiving the load (L), the other motor (32) of the other continuous conveyor (30) being powered in the transfer station (3) in a pre-determined handling position by the battery (6) of the trailer train (1).

Automatic guided vehicles (AGVs) have couplings which allow multiple AGVs to be coupled to each other so that the AGV assembly can move in a coordinated manner. Each side of the AGV can have physical couplings which each have a convex coupling and a concave coupling. The AGVs move next to each other so the concave couplings are aligned with the convex couplings and the AGVs move towards each other. The convex couplings are inserted into the concave couplings. The concave couplings have T bars and when the couplings are connected, the distal ends of the T bars are inserted through the horizontal slots in the convex couplings. Once fully inserted, the T bars are rotated so that the elongated distal ends are out of alignment with the slots, locking the convex couplings to the concave couplings.

A transportation network system for providing a transportation using a modular vehicle is provided. According to one or more aspects, the transportation network system for providing a modular vehicle is provided. The modular vehicle includes a parent vehicle and one or more child vehicles. The transportation network system comprises a connection module, a logistical module, and a charging module. The connection module identifies a proximate vehicle and provides the proximate vehicle connection instructions to connect the proximate vehicle to the modular vehicle as a child vehicle. The logistical module provides services to the child vehicle. The charging module manages a charging source. The charging module initiates a charge to the child vehicle from the parent vehicle.

Provided is a traveling device being inserted into an accommodator of a carriage including a traveling wheel, being coupled to the carriage, and traveling while pulling the carriage. The traveling device includes a driving wheel provided at a bottom of the traveling device, and a first guide roller contactable with the carriage when the traveling device is inserted into the accommodator of the carriage, at least one of a corner and a side surface of the traveling device.

A transport trailer having a chassis and at least one floor platform mounting to the chassis and configured to transport a load. The at least one floor platform comprises at least one main plate and a metal sheet mounting to the main plate. The at least one main plate is fabricated from a porous metal material.