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Mounting and using method of lead core rubber support component with friction pairs

A technology of lead-core rubber bearings and friction pairs, which is applied to bridge parts, bridges, buildings, etc., to achieve the effect of simple component structure and elimination of adverse effects

Active Publication Date: 2013-05-29
柳州东方工程橡胶制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is: without changing the basic structure of the existing lead rubber bearing, to provide a bearing with simple structure, convenient installation, which can eliminate the creep and shrinkage of bridge girder concrete. A lead rubber bearing assembly with a friction pair and an installation construction method for the initial deformation of the seat, so as to overcome the above-mentioned deficiencies in the prior art

Method used

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  • Mounting and using method of lead core rubber support component with friction pairs
  • Mounting and using method of lead core rubber support component with friction pairs

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A lead rubber bearing assembly with one pair of friction pairs, comprising a lead rubber bearing body 1, upper outer connecting steel plates 3, lower outer connecting steel plates 2 and 1 located on the upper and lower ends of the lead rubber bearing body 1 The secondary friction pair M1, the lead rubber bearing body is made of laminated rubber layers, steel plates, etc., and a lead mandrel is poured in the middle. and the shear key 5 are respectively connected with the upper outer connecting steel plate and the lower outer connecting steel plate, and a secondary surface M11 of the friction pair is installed on the outer upper surface of the upper outer connecting steel plate 3 .

[0040] The lead rubber bearing assembly of this structure is generally suitable for the situation where the friction pair is arranged between the top surface of the lead rubber bearing and the bridge beam body. There is a movable steel plate 4 on the bridge beam body, and the other side of the...

Embodiment 2

[0043] A lead rubber bearing assembly with two friction pairs, comprising a lead rubber bearing body 1, an upper outer connecting steel plate 3, a lower outer connecting steel plate 2 and two A pair of friction pairs M1 and M2, the lead rubber bearing body is made of rubber layers, steel plates, etc., laminated and bonded, and a lead core rod is poured in the middle, and the upper and lower end surfaces of the lead rubber bearing body 1 pass through The screw 8 and the shear key 5 are respectively connected with the upper outer connecting steel plate 3 and the lower outer connecting steel plate 2, a secondary surface M11 of the friction pair M1 is installed on the outer upper surface of the upper outer connecting steel plate 3, and a secondary surface of the friction pair M2 M21 is installed on the outer lower surface of the lower outer connecting steel plate 2 (see Figure 3 ~ Figure 4 ).

[0044] The top surface and bottom surface of the lead rubber bearing assembly with th...

Embodiment 3

[0048] A method for installing and using the lead rubber bearing assembly with one pair of friction pairs described in Embodiment 1.

[0049] The method is to install the lead rubber bearing assembly with one pair of friction pairs between the bridge girder body and the bridge pier, and install a secondary surface M11 of the friction pair M1 on the lead rubber bearing assembly to connect the steel plate. The upper outer surface; the other secondary surface M12 of the friction pair is installed under the bridge girder body or the movable steel plate of the bridge girder body. Connect and fix with the bridge beam body, connect and fix the lower outer connecting steel plate 2 of the lead rubber bearing assembly with the bridge pier;

[0050] The method includes the following specific steps:

[0051] A. Install the other side of the friction pair of the lead rubber bearing assembly on the bridge beam body: install the friction of the lead rubber bearing assembly under the movable...

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Abstract

The invention provides a lead-core rubber support component with a friction pair, comprising a lead-core rubber support body, an upper external connecting steel plate and a lower external connecting steel plate which are respectively arranged on the upper end surface and the lower end surface of the lead-core rubber support body, and one-two friction pairs; the upper end surface and the lower endsurface of the support body are respectively connected with the upper external connecting steel plate and the lower external connecting steel plate by a screw and a shearing bond; and one auxiliary surface of each friction pair is respectively arranged on the external upper surface of the upper external connecting steel plate or the lower external surface of the lower external connecting steel plate or arranged at the external upper surface of the upper external connecting steel plate and the lower external surface of the lower external connecting steel plate simultaneously. The installation and use method of the component comprises the steps as follows: the component is arranged between a bridge beam body and a bridge pier; the other auxiliary surface of each friction pair is respectively arranged on the lower surface of the bridge beam and the bridge pier or arranged on the lower surface of the bridge beam and the bridge pier simultaneously; and after creep and shrink of the bridge beam are basically completed, the lead-core rubber support component is fixedly connected with the bridge beam and the bridge pier, thus eliminating the initial deformation of the support caused by the creepage and shrink of the concrete of the bridge beam.

Description

Technical field: [0001] The invention relates to a bridge damping device and an installation method thereof, in particular to a lead rubber bearing assembly and an installation method thereof. Background technique: [0002] The lead core rubber bearing is formed by laminating layers of rubber layers, steel plates, etc. and pouring lead core rods in the middle. The lead core rod increases the damping of the support and absorbs energy; the steel plate increases the vertical stiffness of the support so that it can effectively support the bridge superstructure and building structure; the rubber layer endows the support with high elastic deformation, reset and bearing functions. Therefore, the lead-core anti-seismic rubber bearing not only has high load-carrying capacity, but also has large damping, large horizontal displacement capacity and reset function. It is a shock-absorbing device integrating support and energy consumption; lead-core rubber The bearing can delay the perio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/04
Inventor 资道铭陈伟亮叶明坤黄光宇梁德郡刘志东庞军
Owner 柳州东方工程橡胶制品有限公司
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