Anti-seismic support with variable fix frequency

Abstract

The invention discloses a variable fixed frequency anti-seismic bracket, comprising a base, a straight brace, an oblique brace, a plurality of anti-seismic members, a connecting seat and a frequency converter. Two said bases are mounted on the lower surface of the main structure of the building by expansion bolts; One end of the straight brace is vertically hinged on a bottom plate, and the otherend is connected with a connecting seat through an anti-seismic member; One end of the diagonal brace is hinged with the base through an anti-seismic member, and the other end is connected with the connecting seat through another anti-seismic member; The frequency converter is connected with the connecting seat. The invention can continuously change the natural frequency of the building in the process of shaking, thereby effectively preventing the shaking frequency of the anti-seismic support and the building from being the same, thereby avoiding the occurrence of resonance.

Description

technical field [0001] The invention relates to the field of fire safety, in particular to a variable fixed frequency anti-seismic support. Background technique [0002] The anti-seismic support is to limit the displacement of the auxiliary mechanical and electrical engineering facilities, control the vibration of the facilities, and transfer the load to various components or devices on the bearing structure. When encountering an earthquake with the seismic fortification intensity in this area, the mechanical and electrical engineering facilities such as water supply and drainage, fire protection, heating, ventilation, air conditioning, gas, and electric power in the building can reduce the occurrence of secondary disasters after being reinforced with anti-seismic brackets, thereby reducing casualties and property loss. [0003] When an earthquake occurs, shear waves and longitudinal waves will be generated. The frequencies of the shear waves and longitudinal waves are like...

AI Technical Summary

Problems solved by technology

[0003] When an earthquake occurs, shear waves and longitudinal waves will be generated. The frequencies of the shear waves and longitudinal waves are likely to resonate with the anti-seismic support or the community of the anti-seismic support and the pipe, which will cause a large deformation of the anti-seismic support, and then cause damage to the pipe or anti-seismic support on the anti-seismic support.

[0004] Higher buildings will also shake to a certain extent in strong winds and other weather, and this shaking will also act on the anti-seismic support or the community of anti-seismic support and pipes according to a certain frequency. The common natural frequency of the bracket and the pipeline is close to or the same, which will make the anti-seismic bracket or the common vibration of the anti-seismic bracket and the pipeline larger, which may damage the anti-seismic bracket or the pipeline on the anti-seismic bracket

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