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Fixing three-way damping device for near-field earthquake

A shock-absorbing device and near-field technology, which is applied in the direction of shock-proof, building types, building components, etc., can solve the problems of not having the function of shock-absorbing and isolation, and not being able to meet the requirements of vertical shock-absorbing and isolation

Pending Publication Date: 2018-04-20
KUNMING SURVEY DESIGN & RES INST OF CREEC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above shock-absorbing and isolation products are all horizontal and two-way shock-isolation products, which cannot meet the requirements of vertical shock-isolation
[0004] However, some tensile devices and anti-drop beam devices used on bridges have tensile functions in the vertical direction, but they are hard-resistant structures, and they do not have shock-absorbing and isolation functions in the vertical and horizontal directions.

Method used

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  • Fixing three-way damping device for near-field earthquake
  • Fixing three-way damping device for near-field earthquake

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 As shown, a fixed three-way damping device for near-field earthquakes consists of a lower anchor plate 1, a damping tenon rod 2, a tensile sleeve 3, a damping damping block 4, a rotating pair 5, a washer 6, and a lock nut 7. The upper embedded plate 8, the upper anchor bolt 9 and other components are formed. When three-way shock absorption is assembled, the lower anchor plate 1 and the shock-absorbing tenon rod 2 are threaded; the tensile sleeve 3, the damping shock-absorbing block 4 and the rotating pair 5 are directly matched with the shock-absorbing tenon rod 2 through the tensile through-hole 31 , wherein the size of the tensile through hole 31 meets the normal rotation requirements of the beam body; utilize the washer 6 and the lock nut 7 to cooperate with the thread on the top of the shock-absorbing tenon rod 2 to fix the tensile sleeve 3, the damping shock-absorbing block 4 and the rotating pair 5. When the three-way damping device is installed,...

Embodiment 2

[0043] Such as figure 2 As shown, a fixed three-way shock absorbing device for near-field earthquakes consists of a lower anchor plate 1, a shock absorbing tenon rod 2, a tensile sleeve 3, a damping shock absorbing block 4, a rotating pair 5, an upper embedded plate 8, Parts such as upper anchor bolt 9 form. When assembling the three-way shock absorber, the lower anchor plate 1 and the shock absorbing tenon rod 2 are threaded; Into the concave spherical surface of the rotating pair, the convex spherical surface of the rotating pair adopts a spherical nut or a convex spherical surface with internal threads, and the internal thread of the convex spherical surface is matched with the thread on the top of the shock-absorbing tenon rod 2 to fix the tensile sleeve, damping shock absorber and revolving pair. When the three-way damping device is installed, the lower anchor plate is connected with the embedded plate of the beam pier, and the upper part is connected with the bottom o...

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Abstract

The invention relates to a fixing three-way damping device for a near-field earthquake. The fixing three-way damping device comprises a damping tenon rod and a tensile sleeve arranged above the damping tenon rod. The center of the bottom surface of the tensile sleeve is provided with a tensile through hole used for allowing the damping tenon rod to penetrate through, a mounting section at the upper part of the damping tenon rod penetrates into a cylinder cavity of the tensile sleeve from the tensile through hole, and is in contact with the hole wall of the tensile through hole, a rotating pairand a damping block sleeve the mounting section, the rotating pair is fixedly arranged on the mounting section, the outer surface of the rotating pair is in contact with the cylinder wall of the tensile sleeve, and a tensile structure and a damping part are designed at the top of the damping tenon, so that the vibration isolation function is achieved simultaneously in the vertical direction and the horizontal direction.

Description

technical field [0001] The invention relates to the field of bridges and building structures, and relates to a fixed three-way damping device for near-field earthquakes. Background technique [0002] In recent years, with the development of bridge anti-seismic design technology and the deepening of human understanding of earthquakes, all kinds of buildings, including bridges, have put forward higher requirements for structural anti-seismic. More and more bridges are designed with isolation earthquake design. The bridge seismic isolation technology is to install seismic isolation products at the connection between the beam body and the pier, and reduce the seismic response of the structure by changing the structural period and damping. However, in some high-intensity earthquake areas, the requirements for shock-absorbing and isolation products are even higher. When near-field earthquakes occur, the shock-absorbing and isolating products must meet the requirements of vertical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H9/02E04B1/98
CPCE04H9/021
Inventor 李聪林户东阳陈良江陈克坚罗登发曾永平顾海龙赵会东刘名君周昆张红旭陈长征胡京涛卢三平戴胜勇郭建勋马杰游励晖曾献平徐涛何坤龙王勇曾敏李新李冲杰张永兆陈国杰李志文谢健科方亮喻院平高云韩家山张科陈新培曹翁恺冯思思许江
Owner KUNMING SURVEY DESIGN & RES INST OF CREEC
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