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Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device

A technology of rubber bearing and PTFE board, applied in bridge parts, bridges, buildings and other directions, can solve the problems of difficult processing and construction, low impact resistance, easy to generate noise, etc., to achieve convenient construction, strong shock absorption, The effect of cost reduction

Inactive Publication Date: 2013-08-14
SHANGHAI HUICHENG ARCHITECTURE DECORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the tensile ball bearing is a spherical steel bearing structure, and the manufacturing cost is high. The displacement mechanism of the limit tension rod is difficult to process and construct, and the impact resistance is low, and it is easy to generate noise.

Method used

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  • Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device
  • Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device
  • Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device

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Experimental program
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Embodiment 1

[0012] See attached figure 2 ~ attached image 3 , the present invention is installed and constructed according to the following steps:

[0013] , Cut the reserved groove on the beam body

[0014] Cut the concrete with the reserved width on the top floor of beam body A 8 and beam body B 9 according to the width required for installation at the temperature at that time. When excavating the concrete, the main reinforcement, stirrups and prestressed pipes in the beam body must not be damaged, and the uncut beams must be protected. Asphalt concrete, sort out the pre-embedded steel bars and steel plates, check the quantity, and make up for any defects in time.

[0015] , Install one-way displacement PTFE rubber bearing

[0016] Subtract the thickness of the movable comb plate 1 according to the vertical and horizontal slope of the bridge deck, and then add a height of 2 mm to determine the top surface elevation of the three PTFE rubber bearings 4, and connect the base of th...

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Abstract

The invention discloses an earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device which is characterized in that chutes are arranged on the bottom surface of the front end of a flexible comb plate; steel pins which are connected with a beam body B in a welding mode are arranged inside the chutes; the steel pins are connected with the chutes in a sliding mode; one end of the flexible comb plate is fixed on PTFE plate rubber bearings which are connected with a beam body A in a welding mode; one end portion of the flexible comb plate is provided with a horizontal deformation joint; the other end of the flexible comb plate socket which is flatly arranged on a sliding plate is connected with comb teeth of a fixed comb plate in a socket mode; the flexible comb plate is connected with the sliding plate in a sliding mode; and the fixed comb plate is fixedly connected with the sliding plate. Compared with the pair art, the earthquake proof PTFE plate rubber bearing small displacement comb plate extensible device has the advantages of being capable of three-dimensionally deforming namely, plane rotating, vertical rotating and performing horizontal displacement and capable of performing coordination deformation along with a bridge structure, satisfying vertical and horizontal extra large displacement deformation, being simple in structure, convenient to construct, strong in shock absorption capability and low in noise, enabling construction costs to be reduced by 30 to 40 % compared with same type products and particularly being suitable for high-grade highways and viaducts.

Description

technical field [0001] The invention relates to the technical field of bridge structures, in particular to a small-displacement comb-tooth plate telescoping device for an anti-seismic PTFE plate rubber bearing. Background technique [0002] Nowadays, all parts of the world are in a period of high incidence of earthquakes. Earthquakes cause great harm to people, so that people have raised their awareness of earthquake fortifications, and have adopted earthquake prevention measures for building structures, including bridge structures. Certain earthquake-proof facilities have also been adopted. As the beam-tooth-tooth plate telescopic device must strengthen anti-seismic measures, so that it can continue to be used safely after an earthquake occurs. Up to now, there is basically no report on the comb-tooth plate telescopic device meeting the anti-seismic requirements. [0003] Patent No.: ZL2012 20402123.4, "An Anti-seismic Small Deformation Comb Plate Telescopic Device", the m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/06
Inventor 傅若梁黄桂福
Owner SHANGHAI HUICHENG ARCHITECTURE DECORATION
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