Novel self reset shock insulation support seat

A seismic isolation bearing and self-resetting technology, which is applied in the field of bridge seismic isolation and construction, can solve the problems of no self-resetting function and structural uplift, so as to avoid excessive lateral displacement, reduce excessive dependence, and improve the coefficient of sliding friction Effect

Active Publication Date: 2015-07-15
TIANJIN UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this device has no self-resetting function and no damping
Another scholar suggested changing the circular rolling rod (sphere) to an elliptical rolling rod (ellipsoid), but this still has no damping, and it will also cause the structure to lift

Method used

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  • Novel self reset shock insulation support seat
  • Novel self reset shock insulation support seat
  • Novel self reset shock insulation support seat

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, the present invention will be further described:

[0026] Such as Figure 1 to Figure 5 As shown, a new type of self-resetting shock-isolation bearing includes an upper connecting plate 1 and a lower connecting plate 2, both of which are made of circular steel plates, and the plates are equipped with fastening Bolt holes and bolts, the upper connecting plate 1 and the middle of the lower connecting plate 2 are provided with a corresponding groove 5, the middle of the groove 5 is correspondingly raised, and the inner surface of the groove 5 is cemented with an elastic cushion 6 The rolling body 7 is tightly connected between the upper and lower elastic pads 6. The rolling body 7 is ellipsoidal in shape and made of steel material. It is located in the middle of the upper connecting plate 1 and the lower connecting plate 2. The rolling body 7 is vertically loaded Two grooves 8 are arranged symmetrically on the spherical surf...

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Abstract

The invention discloses a novel self reset shock insulation support seat, comprising an upper connection plate and a lower connection plate. The novel self reset shock insulation support seat is characterized in that corresponding grooves are formed in middles of the upper connection plate and the lower connection plate; bulges are correspondingly formed at the middles of the grooves; elastic cushion layers are cemented at the surfaces of the grooves; an oval rolling body is movably connected between the elastic cushion layers; two trenches are symmetrically formed in the spherical surface of the rolling body; a steel plate laminating rubber drum connected with the upper connection plate and the lower connection plate is arranged at the outside of the rolling body; a clearance is reserved between the rolling body and the steel plate laminating rubber drum; lead cores are arranged at the inner peripheral direction of the steel plate laminating rubber drum at equal intervals. The support seat can absorb high vibration energy, is high in self recovery capacity, and has the advantages of simple structure, convenience in use, high safety and the like, and excessive lateral displacement of the support seat is avoided without lifting a structure body.

Description

technical field [0001] The invention relates to the technical field of building and bridge shock isolation, and more specifically relates to a novel self-resetting shock isolation bearing. Background technique [0002] my country is located in the affected areas of two strong earthquake-prone areas, the circum-Pacific seismic belt and the Eurasian seismic belt, and is a country with frequent earthquakes. How to resist and absorb earthquakes to improve the seismic performance of buildings and bridges is a problem that must be taken very seriously in the design of buildings and bridges. In the technical field of building and bridge isolation, the easiest and most effective method of damping is to use isolation bearings. At present, the isolation measures adopted at home and abroad mainly include rubber isolation bearings, sliding isolation bearings, friction pendulum bearings, and rolling isolation devices. [0003] The rubber bearing has sufficient vertical stiffness to bea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/04E04B1/98E04B1/36
CPCE01D19/043E04B1/36E04B1/98
Inventor 李宁王建凯李忠献
Owner TIANJIN UNIV
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