A lower hull structure of a van-type amphibious vehicle

Abstract

The invention discloses a lower hull structure of a van-type amphibious vehicle. It includes a lower hull assembly, the lower hull assembly is connected with a vehicle body frame assembly, the vehicle body frame assembly is connected with an upper body assembly, and the lower hull assembly includes a hull shell and a hull reinforcement beam, so The hull reinforcement beam is supported and attached to the interior of the hull shell; the hull reinforcement beam includes a first longitudinal beam, a second longitudinal beam and a plurality of transverse beams; the first longitudinal beam and the second longitudinal beam form a plane with the overall body frame. into a fixed connection. The present invention enhances the overall rigidity of the hull to meet greater water impact.

Description

technical field [0001] The invention belongs to the technical field of amphibious vehicles, in particular to a lower hull structure of a van-type amphibious vehicle. Background technique [0002] Amphibious vehicles are used in both water and land conditions. In addition to considering water conditions, the design of the lower hull structure needs to take into account the vibration and force of land conditions. The design of the internal reinforcement beam system needs to consider its own surface stiffness, and also needs to take into account the shared load with the body structure. The hull shell also involves professional opening and sealing design such as steering and transmission. The relevant patents on the hull structure disclosed in the prior art are mainly based on the hull structure. [0003] As shown in the patent CN110525145A, a steel frame hull integrated frame assembly is provided, and a lower hull for an amphibious vehicle is disclosed. The interior of the hul...

AI Technical Summary

Problems solved by technology

[0003] As shown in the figure, patent CN110525145A provides a steel frame hull integrated frame assembly, which discloses a lower hull for an amphibious vehicle. The interior of the hull adopts a steel skeleton combined with the hull shell to realize an integral hull assembly, and the hull has no separate skeleton. Design, the rigidity of the bottom is not strong enough to bear the large impact on the water, the connection surfaces between the hull and the frame are many and complex, and the manufacturing accuracy of the hull and frame itself is high; Skeleton manufacturing requires extremely high precision

The hull does not have its own skeleton structure to strengthen, and the rigidity of the hull itself is weak, so it cannot bear large impacts on the water

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