Anti-drawing rubber shock-insulating supporting seat with foamed aluminum core
A technology of rubber shock-isolation bearings and rubber bearings, which is applied in the direction of earthquake prevention, bridge parts, bridge construction, etc., and can solve the problem of large pull-out force of the bearing, and the ability of the shock-isolation bearing to resist the upper pull force of the structure Insufficient and other problems, to achieve the effect of low construction cost, easy replacement and maintenance, and simple structure
Active Publication Date: 2017-05-17
BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
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[0003] The seismic isolation bearing is mainly used to reduce the damage of the earthquake to the structure. In some earthquake cases, a large uplift force may be generated at the support, while the ordinary seismic isolation bearing has no ability to resist the tensile force of the structure or resist the structure. Insufficient pull-up ability
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[0021] The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.
[0022] see Figure 1-3 , an anti-drawing foam aluminum core rubber shock-isolation bearing, comprising a top bearing plate 1, a bottom bearing plate 2, a foam aluminum core rubber bearing body 3, a backing plate 4, a limiting unit 5 and an anti-drawing device The top support plate 1 and the bottom support plate 2 are all fixedly connected with structures such as bridge buildings through high-strength anchor bolts 9, and the anchor bolts 9 are high-strength chemical anchor bolts; the anti-drawing device is a single or multiple A steel wire rope 6, the upper end of the steel wire rope 6 is fixedly connected to the top support plate 1, and the lower end of the steel wire rope 6 is fixedly connected to the limit block 5. Preferably, the upper end of the steel wire rope 6 passes through the top support plate 1 , and the upper end of the steel wire rope...
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The invention discloses an anti-drawing rubber shock-insulating supporting seat with a foamed aluminum core. The anti-drawing rubber shock-insulating supporting seat comprises a top supporting seat plate, a bottom supporting seat plate, a foamed aluminum core rubber supporting seat body, a base plate, a limiting unit and an anti-drawing device; the anti-drawing device is one or more steel wire ropes, the upper end heads of the steel wire ropes are fixedly connected with the top supporting seat plate, and the lower end heads of the steel wire ropes are fixedly connected with the limiting block; and the foamed aluminum core rubber shock-insulating supporting seat body comprises a plurality of layers of rubber slices, steel plates installed between the rubber slices, the foamed aluminum core penetrating through the rubber slices in an up-down mode and sealing plates being connected with the upper end faces and the lower end faces of the rubber slices. According to the anti-drawing rubber shock-insulating supporting seat with the foamed aluminum core, the structure is simple, installation is convenient, and replacement and maintenance are easy; and the shock-insulating effect is achieved, the anti-drawing function is also achieved, and overturn of a bridge girder and a building structure can be effectively prevented, so that damage to the bridge girder and the building structure is lowered, and economical efficiency is remarkable.
Description
technical field [0001] The invention relates to a shock-isolation support, in particular to a pull-out-resistant foam aluminum-core rubber shock-isolation support. Background technique [0002] At present, seismic isolation bearings are widely used in bridges, buildings and other structures, but lead rubber bearings in seismic isolation bearings have caused controversy due to the pollution of the lead material itself to the environment. As an alternative material for lead cores, foamed aluminum is made by adding additives to pure aluminum or aluminum alloy and undergoes a foaming process. It has the characteristics of both metal and air bubbles. It is non-toxic and harmless, green and environmentally friendly, lightweight and weather-resistant, and easy to process. And high specific stiffness, heat insulation, non-flammable, high temperature resistance. At the same time, the foamed aluminum has high damping and good shock absorption and energy absorption effect. When the fo...
Claims
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Login to View More IPC IPC(8): E04B1/98E04H9/02E01D19/04
CPCE01D19/041E04H9/022
Inventor 祝磊李爱群钱晨阳
Owner BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE