U-shaped damping beam falling preventing device

An anti-drop beam and damping technology, used in bridges, bridge parts, bridge construction and other directions, can solve problems such as difficult operation, bridge drop beam damage, block collision, etc., to prevent the beam from falling, simple structure, easy installation and replacement Effect

Inactive Publication Date: 2016-03-23
RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI +2
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Problems solved by technology

The disadvantage of this measure is that the beam body will collide with the block under the action of an earthquake. When a high-intensity earthquake strikes, the brittle concrete block is prone to brittle shear failure and fails, resulting in the failure of the bridge falling beam, and when the brittle concrete block When the concrete block needs to be replaced due to damage and failure, it is not easy to operate

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  • U-shaped damping beam falling preventing device
  • U-shaped damping beam falling preventing device
  • U-shaped damping beam falling preventing device

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Embodiment Construction

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0023] like Figure 1 to Figure 4 As shown, the present invention provides a U-shaped damping anti-drop beam device, which includes an upper connecting plate 1 and a lower connecting plate 2 arranged parallel to each other, one end of the upper connecting plate 1 and one end of the lower connecting plate 2 The upper connecting plate 1 is connected to the first buried plate 41 embedded in the bottom of the beam body 4 through a plurality of first bolts, and the...

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Abstract

The invention provides a U-shaped damping beam falling preventing device. The device comprises an upper connecting plate and a lower connecting plate which are arranged in parallel. One end of the upper connecting plate is connected with one end of the lower connecting plate through a U-shaped plate. The upper connecting plate is connected with a first buried plate pre-buried in the bottom of a beam body through a plurality of first bolts, and the lower connecting plate is connected with a second buried plate pre-buried in the top of a pier through a plurality of second bolts. According to the U-shaped damping beam falling preventing device, beam falling can be effectively prevented, and the U-shaped damping beam falling preventing device has the beneficial effects of being convenient to install and fast to replace.

Description

technical field [0001] The invention relates to an anti-fall beam device, in particular to a U-shaped damping anti-fall beam device in the technical field of bridge structures. Background technique [0002] my country is an earthquake-prone country, especially in the three seismically active regions of North China, Northwest China, and Southwest China. There are examples of beam damage caused by earthquakes. The damage caused by falling beams is bound to cause serious traffic interruption, delay rescue, and cause huge losses. In my country's seismic design code, it is stipulated that in order to prevent vertical and horizontal beams from falling, stoppers, anchor bolts, steel brackets and other anti-falling beam structures are often adopted. [0003] The existing anti-fall beam measures are mainly to set brittle concrete stoppers at a certain distance from the beam body through structural measures, so as to achieve the purpose of controlling the lateral displacement and lon...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00
CPCE01D19/00
Inventor 臧晓秋牛斌仝强吴成亮石秋君佟嘉明
Owner RAILWAY ENG RES INST CHINA ACADEMY OF RAILWAY SCI
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