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Vibration stopping structure of container ship lashing bridge

A technology for container ships and lashing bridges, which is applied in the direction of the device for preventing multi-way movement of goods, etc. It can solve the problems of fatigue damage to the weld seam at the root of the lashing bridge, the reduction of the fastening degree of loose parts in lashing, and endanger the physical and mental health of passengers, etc., so as to improve the lashing The effect of improving the working environment, reducing the probability of binding failure events, and improving the service life

Pending Publication Date: 2018-11-02
CHINA SHIPPING IND JIANGSU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the ship is sailing at sea, when the natural frequency of the lashing bridge is the same or close to the excitation frequency generated by the propeller and the main engine, a resonance phenomenon will occur; severe vibration will not only reduce the fastening degree of loose lashing parts, but the lashing will fail and the cargo will fall into the In the sea, it will also cause fatigue damage to the weld at the root of the lashing bridge, thus posing a great threat to the safety of the structure
In addition, the resonance phenomenon seriously affects the comfort of the occupants and endangers the physical and mental health of the occupants.

Method used

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  • Vibration stopping structure of container ship lashing bridge
  • Vibration stopping structure of container ship lashing bridge
  • Vibration stopping structure of container ship lashing bridge

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] This embodiment includes two square tube brace brackets 2 fixedly connected with each other and symmetrical to each other between adjacent lashing bridges 1, and the two square tube brace brackets fall on the main deck. Because there is a support mechanism under the main deck, there is no need to design another support mechanism on the main deck. The square tube brace bracket 2 forms a triangular stable structure with the binding bridge 1 and the main deck, and the square tube brace bracket 2 is fixedly connected with the binding bridge 1 and the main deck by welding. An anti-collision guide rail device fixedly connected with it is arranged outside the square tube brace bracket 2 . At least one reinforced square tube is fixed between the square tube brace bracket 2 and the lashing bridge 1 , and the reinforced square tube is a transversely reinforced square tube 4 and / or an inclined plane reinforced square tube 5 . The hollow space formed by the square tube brace brack...

Embodiment 2

[0044] This embodiment includes two square tube brace brackets 2 that are fixedly connected to each other and are symmetrical to each other between adjacent binding bridges 1. Word beam 3 goes up. Because the bottom of the deck is empty, it is necessary to design an I-beam on the deck as a supporting mechanism. The I-beam 3 spans between the adjacent lashing bridges 1, and is fixedly connected to the deck by welding, and the upper plane of the I-beam 3 is on the same level as the upper plane of the deck; the square tube The diagonal brace bracket 2 forms a triangular stable structure with the binding bridge 1 and the I-beam 3 , and the square tube diagonal brace bracket 2 is fixedly connected with the binding bridge 1 and the I-beam 3 by welding. An anti-collision guide rail device fixedly connected with it is arranged outside the square tube brace bracket 2 . At least one reinforced square tube is fixed between the square tube brace bracket 2 and the lashing bridge 1 , and ...

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Abstract

The invention discloses a vibration stopping structure of a container ship lashing bridge, belongs to the technical field of construction of naval architecture and ocean engineering, and solves the problems that a traditional lashing bridge, a propeller and a main engine easily generate a resonance phenomenon, and all sorts of damages on shipping engineering and passengers can be easily caused. The vibration stopping structure of the container ship lashing bridge mainly comprises two symmetric square tube inclined strut supports which are arranged on adjacent lashing bridges, and roots of thesquare tube inclined strut supports drop on a main deck or an H-shaped beam fixedly connected with the deck. The vibration stopping structure of the container ship lashing bridge is skillful in design, simple in structural design, easy to manufacture, low in manufacturing cost and convenient to construct, the probability of occurrence of lashing failure events is greatly reduced, the safety is quite high, and generated concealed economic value and social value are quite high; and the lashing operation environment of sailors is greatly improved, the ship navigation safety and comfort level of the sailors are improved effectively, and the vibration stopping structure of the container ship lashing bridge can be widely applied to the technical field of construction of the naval architecture and ocean engineering.

Description

technical field [0001] The invention belongs to the technical field of ship and ocean engineering construction, and in particular relates to a vibration-stopping structure of a container ship lashing bridge which has a vibration-stopping function, high shipping safety performance and can improve the service life of the lashing bridge. Background technique [0002] In the field of shipbuilding and ocean engineering construction, container ships are one of the three main types of ships. The biggest feature that distinguishes them from bulk carriers is the use of complex lashing and securing systems and in-chamber guide rails to limit the number of containers carried on the actual ship. In the operation stage, the displacement caused by the rolling and pitching of the ship is affected, so as to realize the purpose of unitized and standardized transportation of cargo. As an important part of the lashing and securing system, the lashing bridge is mainly used to bind loose parts s...

Claims

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Application Information

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IPC IPC(8): B63B25/24
CPCB63B25/24
Inventor 李毅任海兵钟志平
Owner CHINA SHIPPING IND JIANGSU
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