Arc-shaped steel spring plate vibration isolation support of friction pendulum

A technology of spring steel plate and vibration isolation bearing, which is applied in the direction of earthquake resistance, bridge parts, building components, etc., can solve the need to ensure the large displacement of the upper and lower structures, the stiffness and damping characteristics cannot be changed, and the vertical bearing capacity of the rubber bearing can be solved. Low and other problems, to achieve the effect of clear seismic isolation mechanism, obvious seismic performance, and large vertical bearing capacity

CN101701477AInactive Publication Date: 2010-05-05BEIJING UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2010-05-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to an arc-shaped steel spring plate vibration isolation support of a friction pendulum in the field of buildings, bridges and sluices engineering. The arc-shaped steel spring plate vibration isolation support comprises an upper support plate, a column upper sliding block, a column biconvex spherical lower sliding block and a lower support plate, wherein the lower part of the upper support plate is provided with a circular sealing plate, the outer wall of the lower part of the upper support plate is connected with the upper surface of the column upper sliding block, an arc-shaped steel spring plate elastic assembly connected with the column upper sliding block is arranged between the column upper sliding block on the outer wall of the lower part of the upper support plate and the circular sealing plate, a concave spherical surface of the column upper sliding block is connected with an upper convex spherical surface of the column biconvex spherical lower sliding block, and a lower convex spherical surface of the column biconvex spherical lower sliding block is positioned in a concave spherical surface of the lower support plate. The vibration isolation support has simple structure, large vertical loading capacity, good durability and remarkable vibration reduction and isolation effects, can freely rotate in various directions, and is suitable for buildings, bridges, sluices and other structures in a strong earthquake region.
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Description

technical field

[0001] The invention relates to shock-absorbing and isolating support devices for buildings, bridges, aqueducts and other structures, in particular to a friction swing bow type spring steel plate shock-isolating support. Background technique

[0002] When building important structures such as bridges, aqueducts, and buildings in earthquake areas, in order to reduce the potential earthquake threat, it is necessary to carry out seismic design for such structures, and adopting seismic isolation design is one of the effective ways to reduce earthquake damage and damage of structures. Seismic isolation technology It is to reduce the basic frequency of the structure and prolong its vibration period by setting a seismic isolation layer with low stiffness between the bottom of the structure and the top surface of the foundation, so as to avoid the main energy frequency band of the earthquake and isolate the upper structure from the earthquake vibration. Come, reduce ...

Examples

Embodiment Construction

[0017] Friction pendulum bow type spring steel plate vibration isolation support is based on the ordinary spherical support, adding a cylindrical upper slider and a cylindrical double-convex spherical lower slider. The inner wall of the upper bearing plate is fixed with the cylinder A new type of composite shock-absorbing and isolating bearing composed of bow-shaped spring steel plates and other elastic components connected by sliders. It is mainly used for buildings, bridges, aqueducts and other large structures that require high seismic performance.

[0018] figure 1 It is a schematic diagram of the structure of the friction pendulum bow type spring steel plate vibration isolation bearing. Such as figure 1 with figure 2 As shown, the friction pendulum bow type spring steel plate vibration isolation bearing is composed of an upper bearing plate 1, a cylindrical upper slider 5, a cylindrical double-convex spherical lower slider 6 and a lower bearing plate 8, and the lower p...