Built-in air energy-eliminating shock-absorbing damper

A built-in, damper technology, used in bridge parts, bridges, building components, etc., can solve the problems of inability to match the vibration characteristics of stay cables, and can not achieve vibration reduction, etc., to achieve reliable performance, easy installation, use and maintenance, Long service life effect

Inactive Publication Date: 2007-11-14
丁美林 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The above-mentioned various dampers are basically connected to the stay cables in the form of "points", which cannot comp...

Method used

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  • Built-in air energy-eliminating shock-absorbing damper
  • Built-in air energy-eliminating shock-absorbing damper

Examples

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Embodiment Construction

[0021] In the embodiment shown in Figure 1, the rainproof cover (7) is installed on the steel pipe support (12) by the fixing screw (10); the rubber sheath (1) is installed on the inner side of the metal inner hub (2), and They are installed together on the design damping point of the cable stay and the height required by the design; the metal outer hub (5) is installed on the flange of the steel pipe support (12) through the connecting bolt (11); the steel pipe support (12) It is fixed on the bridge deck of a cable-stayed bridge (steel or concrete) by means of bolts or welding; the upper connector (3) and the lower connector (6) are respectively installed between the metal inner hub (2) and the metal outer hub (5). space; the airbag (4) is installed in the space surrounded by the metal inner hub (2), the metal outer hub (5), the upper connector (3) and the lower connector (6); the upper connector (3), the lower connector The connectors (6) are all rubber products; during the ...

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Abstract

A brand-new integral air disappears antivibration attenuator, belongs to the slanting back guy antivibration area . Its characteristic: It is made up of rain shade, the rubber armor coat, the metal inside hub, the metal outside hub, on the coupling, under the coupling, the aerocyst, the air valve, the barometer, the steel pipe support and so on. The slanting back guy's nuisance vibration transmits through the rubber armor coat and the metal inside hub gives to the aerocyst, the aerocyst take the steel pipe support as the support, provides counter- damping force to affect again in the slanting back guy, thus changed the slanting back guy original vibration modality, realizes restrains the slanting back guy vibration; The attenuator damping force's size may act according to the slanting back guy the vibration characteristic to make the extra wide adjustment, its antivibration effect is remarkable, is suitable specially in each kind of great span diagonal cable bridge takes the slanting back guy the antivibration device, simultaneously it also has the service life to be long, easy to make, the installment, the maintenance and affects and so on.

Description

Technical field [0001] The invention relates to a built-in air energy dissipation and vibration reduction damper installed on the cable-stayed cable of a cable-stayed bridge or the cable of a suspension bridge, and its main function is to effectively reduce the vibration amplitude of the cable-stayed cable in the working state and acceleration. Background technique [0002] Taking the cable-stayed bridge as an example, the cable-stayed cable is an important stressed metal component of the upper box girder of the cable-stayed bridge. The normal service life of the cable-stayed bridge is greatly shortened or accidentally damaged, which will cause huge economic losses and adverse social impacts, so the energy dissipation and vibration reduction technology of cable-stayed cables is the key application technology of cable-stayed bridges. [0003] Stayed cables have been placed in the natural environment for a long time, and they have to withstand the continuous test of sun and r...

Claims

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Application Information

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IPC IPC(8): E01D11/00E01D19/16E04B1/98
Inventor 丁美林
Owner 丁美林
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