Elastic-plastic beam dropping prevention spherical steel support seat

An elastic-plastic, anti-falling beam technology, applied in the direction of bridges, bridge parts, bridge construction, etc., can solve problems such as bridge deck collapse, casualties, economic losses, etc.

Active Publication Date: 2010-01-13
丰泽智能装备股份有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In order to achieve the above purpose, shear pins are installed at the four corners of the base and bottom plate. When an earthquake occurs or an external force hits the bridge deck, a shear force occurs in the limit direction of the support, causing the shear pins to break. At this time, the bridge of the bridge The bridge piers will be removed from the surface, causing the bridge deck to collapse, which will not only cause huge economic losses, but also may cause huge casualties

Method used

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  • Elastic-plastic beam dropping prevention spherical steel support seat
  • Elastic-plastic beam dropping prevention spherical steel support seat
  • Elastic-plastic beam dropping prevention spherical steel support seat

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Embodiment Construction

[0020] The structure of the elastic-plastic anti-drop beam spherical steel support provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0021] Such as figure 1 , figure 2 and Figure 4 As shown, the elastic-plastic anti-drop beam spherical steel bearing includes an upper slide plate 1, a first plane PTFE plate 41, an upper support plate 3, a second plane PTFE plate 42, and a ball core 5 arranged in sequence from top to bottom. , Spherical PTFE plate 43, base 7, base plate 8, the first slideway 10 along the free movement direction of the support is provided below the upper slide plate 1, the edge of the upper support plate 3 is snapped into the first slideway 10, the upper The slide plate 1 can move back and forth along the first slideway 10 relative to the upper support plate 3 . Shear pins 9 are provided at the four corners of the base 7 and the bottom plate 8 . On the upper ...

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Abstract

The invention belongs to the technical field of spherical steel support seats, in particular to an elastic-plastic beam dropping prevention spherical steel support seat. The invention adopts the technical scheme that a press plate forming an integral structure with an upper slide plate is arranged on the upper slide plate positioned outside the outer side wall of a first slide rail; an elastic-plastic column is arranged on a bottom plate; the top end of the elastic-plastic column is butted below the press plate; a second slide rail along the limiting direction of the support seat is arranged on the bottom plate at the outer side of the base; and the edge of the base is clamped into the second slide rail. After being sheared by a shear force pin, the elastic-plastic column generates elastic deformation so as to reduce the horizontal shearing force; and along with the increase of the force, the elastic-plastic column generates plastic deformation so as to further reduce the horizontal shearing force, thereby preventing a beam dropping phenomenon caused by an earthquake or bridge surface impact.

Description

technical field [0001] The invention belongs to the technical field of bridge supports, and in particular relates to an elastic-plastic anti-drop beam spherical steel support. Background technique [0002] At present, in order to prevent damage to the support due to normal horizontal shear force, the unidirectional limit spherical steel support used can allow a certain distance to move in one direction, but no displacement can occur in the direction perpendicular to this direction. In order to achieve the above purpose, shear pins are installed at the four corners of the base and bottom plate. When an earthquake occurs or an external force hits the bridge deck, a shear force occurs in the limit direction of the support, causing the shear pins to break. At this time, the bridge of the bridge The bridge piers will be removed on the surface, causing the bridge deck to collapse, which will not only cause huge economic losses, but also may cause huge casualties. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/04
Inventor 彭天波王立志王恒光张培基
Owner 丰泽智能装备股份有限公司
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