Hot-rolled profile steel door hinge device for container

Abstract

The invention discloses a hot-rolled profile steel door hinge device for a container. The hot-rolled profile steel door hinge device comprises a base, slots, a container body, lifting lugs and a door plank. The device provided by the invention is improved on the structure of a hinge mechanism and has the following advantages: firstly, a uniform honeycomb-shaped connecting structure is arranged at a welding position, and the fastening degree of the connection between the base and the container body and the connection between a chain plate and the door plank can be improved by utilizing the characteristic that the hexagonal honeycomb-shaped structure is stable, so that the possibility that a welding part falls off is reduced under the condition of long-term rotation; secondly, due to the formation of a groove and the step-shaped characteristic of the groove, the dead weight of the chain plate can be reduced firstly, and the extrusion stress of the dead weight on a connecting part is reduced; thirdly, the rigidity of the chain plate is improved due to the formation of the groove; and in addition, the structural layers of the chain plate are increased due to the step-shaped transition of the groove, and stress transmission can be dispersed through inclined planes in steps, so that the purpose of improving the strength of the chain plate is achieved.

Description

technical field [0001] The invention relates to the technical field of hinges, in particular to a hot-rolled steel door hinge device for containers. Background technique [0002] A hinge, also known as a hinge, is a mechanical device used to connect two solids and allow relative rotation between them. The hinge can be composed of movable components or foldable materials. [0003] For a container, sufficient strength and rigidity are required to meet the loading requirements of the cargo, especially as a door hinge part connecting the door frame and the box body, it needs sufficient strength to ensure long-term and smooth use. [0004] In actual use, affected by the external environment, such as high humidity in the shipping environment and wind and rain in the road transportation environment, coupled with long-term repeated opening and closing, it will inevitably damage the more fragile connection parts. That is, certain damages are caused to the hinge part. The existing hi...

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Problems solved by technology

[0004] In actual use, affected by the external environment, such as high humidity in the shipping environment and wind and rain in the road transportation environment, coupled with repeated opening and closing for a long time, it will inevitably damage the more fragile connection parts. That is, certain damages are caused to the hinge part. The existing hinges for containers have the following deficiencies: 1. The existing hinges for containers generally adopt a welding connection process. Due to the limitation of the installation location and the During the opening and closing process, the door panel of the container is dragged, and the connection is easily deformed due to insufficient structural strength, resulting in a reduction in the service life of the hinge. In order to increase the strength, it is often necessary to add some structures, but an overly complex structure will not only cause material loss. Increase, and too many structures will affect the smoothness of door panel opening and closing to a certain extent; 2. Most of the existing hinges for containers use straight panels, and the structure has fewer layers, resulting in the bending resistance of the device. lower

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