Device for isolating horizontal earthquake and vertical vibration for building

Abstract

The invention discloses a device for isolating horizontal earthquakes and vertical vibrations for buildings, which includes a vibration isolation device and a shock isolation device; the vibration isolation device includes an upper top plate, a vertical spring array, a horizontal limit bolt screw and a middle plate; The top plate is connected with the pre-embedded positioning plate of the upper pier through a connecting component; the vertical spring array is composed of several springs, which are arranged between the upper top plate and the middle plate; the spring is sleeved on the outside of the horizontal limit bolt screw; The pin screw is fixed on the upper surface of the middle plate; the lower surface of the middle plate is fixedly connected with the shock-isolation device; the shock-isolation device includes several layers of thin-layer rubber, several layers of thin-layer steel plates and the lower bottom plate; The steel plate is clamped in the rubber layer; the lower bottom plate is connected with the pre-embedded positioning plate of the lower pier through a connecting device. The application can realize the functions of horizontal vibration isolation (earthquake) and vertical vibration isolation (vibration) at the same time; and the device cost is low, which can greatly reduce the total investment of vibration isolation and vibration isolation.

Description

technical field [0001] The invention belongs to the design fields of industrial buildings, civil buildings, bridges, etc., and in particular relates to a device for isolating horizontal earthquakes and vertical vibrations for buildings. Background technique [0002] my country is a country with frequent earthquakes. In recent years, major earthquakes have occurred in Wenchuan and Ya’an successively. The earthquakes caused a large number of casualties and huge property losses. Casualties continued due to damage to infill walls and renovation substructures. Therefore, at the government level, it has been mentioned many times to recommend the promotion of seismic isolation technology to improve the seismic performance of structures to ensure the safety of personnel. In some areas with high design intensity, it is mandatory to adopt seismic isolation technology for important buildings, which greatly promotes seismic isolation in my country. technology development. At present, th...

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Problems solved by technology

[0004] After investigation and according to several similar design projects participated by the patent applicant, most of the domestic projects only use the seismic isolation technology to solve the horizontal seismic problem of the superstructure, which improves the horizontal seismic performance of the superstructure structure, while the vibration impact of the subway is not affected. It can be effectively controlled. Only a few projects have appropriately reduced the vertical stiffness of the isolation bearing by increasing the height of the isolation bearing. effective control of

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