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An anti-drop device

A technology of anti-falling beams and fixing devices, applied in bridges, bridge parts, bridge construction, etc., to achieve the effect of simple structure, perfect function and convenient operation

Active Publication Date: 2018-05-04
JSTI GRP CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

my country is a country with frequent earthquakes, but there is still a certain gap compared with other countries in the research on bridge falling beams

Method used

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Embodiment Construction

[0023] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0024] The embodiments of the present invention are written in a progressive manner.

[0025] like Figure 1 ~ Figure 3 As shown, an anti-drop beam device includes four fixing devices 1, two limiting devices 2 and three stay cables 3, four fixing devices 1 are combined in pairs, and in each combination two fixing devices 1 pass through...

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Abstract

The invention discloses an anti-falling beam device, which comprises four fixing devices, two limiting devices and three pull cables, the four fixing devices are combined in pairs, and the two fixing devices in each combination are connected by a pull The cables are symmetrically connected, and a limit device is arranged in the middle of each stay cable connecting two fixing devices, and the two limit devices are connected by a stay cable. The novel anti-falling beam device in the present invention not only has reliable longitudinal anti-falling beam performance, but also has good horizontal anti-falling beam effect, perfect function, simple structure, avoids the occurrence of beam falling accidents in earthquakes, and achieves the purpose of anti-seismic fortification.

Description

technical field [0001] The invention relates to bridge engineering, in particular to an anti-fall beam device. Background technique [0002] It can be seen from the previous strong destructive earthquake disasters that the destruction of bridge girder itself due to direct seismic dynamic benefits is extremely rare, but the falling beam, main girder movement, Distortion, cracks and other phenomena often occur, among which the phenomenon of falling beams is extremely serious. As a pivotal project on the transportation line, the bridge will paralyze the entire transportation network once the beam falls and is damaged, seriously hindering rescue and post-disaster reconstruction work. Our country is a country with frequent earthquakes, but compared with other countries, there is still a certain gap in the research on bridge fall prevention beams. [0003] In view of the defects existing in the above-mentioned existing bridge connection devices, the inventor actively researches ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D19/00
CPCE01D19/00
Inventor 张建东马志华刘朵柏平陈柯呈陈奕
Owner JSTI GRP CO LTD
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