Vertical vibration reducing and vibration isolating support and working method thereof

Abstract

The invention relates to a vertical vibration reducing and vibration isolating support and a working method thereof. The support comprises an upper sealing plate, a pressure bearing bag body and a lower sealing plate, wherein the upper end and the lower end of the pressure bearing bag body are separately hermetically fixedly connected with the upper sealing plate and the lower sealing plate. The design characteristics of the invention lie in that an inner cavity of the pressure bearing bag body is provided with a gas bag, the gas bag is filled with gas, a chamber formed between the inner cavity of the pressure bearing bag body and the outer wall of the gas bag is densely filled with solid particles, and the gas bag is located in the middle of the inner cavity of the pressure bearing bag body by being encircled and extruded by the solid particles. When the support bears vertical shock excitation, shock excitation force is jointly bore by the pressure bearing bag body, the solid particles of the inner cavity and the gas bag, friction, namely dissipative damping, is formed among the solid particles, the gas bag is encircled by the solid particles, and the outer wall of the gas bag only bears pressure; and at the same time, the gas bag forms elastic support for the extrusion and force transmission of the solid particles and forms elasticity and resilience on the vertical vibration reducing and vibration isolating support, so that vibration reduction and vibration isolation are realized.

Description

technical field [0001] The invention relates to a vibration-reducing and isolating device, which is a vertical vibration-reducing and isolating support and a working method thereof. Background technique [0002] Urban rail transit construction is one of the key investment and development areas during my country's "13th Five-Year Plan" period. With the operation of subway lines in large and medium-sized cities, a series of environmental vibration problems have also been caused, which have affected the indoor comfort of buildings adjacent to the subway and the safety protection of ancient buildings, and have received widespread attention from all walks of life. Since the vertical high-frequency vibration has the greatest impact on the building during the operation of the subway, and the volume and quality of the building are generally large, the vibration isolation support installed on the foundation of the building should not only have the functions of vertical vibration redu...

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Problems solved by technology

[0004] In order to overcome the above-mentioned deficiencies, the purpose of the present invention is to provide a vertical vibration-reducing and vibration-isolation bearing and its working method to the field, so that it can solve the problem of poor compressive bearing capacity of existing similar bearings, vertical vibration-reducing and isolation bearings. The technical problem that the vibration function is relatively limited by the influence of the structure

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