Multi-material composite rolling shock isolation device

Abstract

The invention relates to a multi-material composite rolling shock isolation device. The multi-material composite rolling shock isolation device comprises a first base plate which is a horizontal plate, a rolling part comprises a first rolling groove, a steel ball and a second rolling groove, the first rolling groove and the second rolling groove are oppositely arranged in the direction of arc-shaped groove openings, rolling space used for the steel ball to roll is formed in the interiors of the first rolling groove and the second rolling groove, a SMA wire layer is arranged on the exteriors of the first rolling groove and the second rolling groove in a winding and covering mode, a second base plate and the first base plate are the same in shape and are correspondingly fixed to the bottom of the second rolling groove and the top of the first rolling groove, rubber pads are fixedly arranged between the second base plate and the second rolling groove and between the first base plate and the first rolling groove, and the two ends, located on the exterior of the rolling space, of the first base plate and the two ends, located on the exterior of the rolling space, of the second base plate are connected through four rubber columns. Various materials are composite, an instantaneous reset function is achieved, the purpose of supporting an upper structure can be achieved, the purpose of isolating an earthquake from being input into the upper structure can be further achieved, damage to an LNG storage tank caused by the destructive earthquake is reduced, the structure is simple, materials are convenient to obtain, and the manufacturing cost is reduced.

Description

technical field [0001] The invention relates to the technical field of shock-isolating devices, in particular to a multi-material composite rolling shock-isolating device. Background technique [0002] At present, domestic and foreign researches on base isolation devices applied to LNG storage tanks mainly focus on rubber pad isolation devices, which are used to reduce base shear force and overturning moment, and reduce hydrodynamic pressure. It is a single shock isolation device, and the shock isolation effect is poor. [0003] Therefore, how to provide a multi-material composite rolling vibration isolation device is an urgent problem to be solved by those skilled in the art. Contents of the invention [0004] For this reason, the object of the present invention is to propose a multi-material composite rolling vibration isolation device to improve the vibration isolation effect. [0005] The invention provides a multi-material composite rolling vibration isolation devic...

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Problems solved by technology

[0002] At present, domestic and foreign researches on base isolation devices applied to LNG storage tanks mainly focus on rubber pad isolation devices, which are used to reduce base shear force and overturning moment, and reduce hydrodynamic pressure. It is a single shock isolation device, and the shock isolation effect is poor

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