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Self-stabilizing rapid-mounted bridge expansion and contraction device and mounting method thereof

A technology for expansion devices and bridges, applied in bridges, bridge parts, bridge construction, etc., can solve the problems of difficult standardization of the quality of bridge expansion devices, small and easily damaged rolling stress points, and difficult replacement, achieving fast construction speed, Fast replacement, stable and reliable results

Pending Publication Date: 2019-06-07
陕西融创交通科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a self-stabilizing and fast-installing bridge expansion device and its installation method, which solves the problem that the quality of the bridge expansion device in the prior art is difficult to standardize, the rolling force point is small and easy to damage, the maintenance time is long, and the replacement is difficult. Difficult to install and long construction period

Method used

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  • Self-stabilizing rapid-mounted bridge expansion and contraction device and mounting method thereof
  • Self-stabilizing rapid-mounted bridge expansion and contraction device and mounting method thereof
  • Self-stabilizing rapid-mounted bridge expansion and contraction device and mounting method thereof

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Embodiment 1

[0043] The self-stabilizing rapid installation bridge expansion device described in this embodiment, see figure 2 , composed of symmetrically arranged bridge expansion device monomers, rubber strips 11 for bridge expansion and contraction are arranged between the symmetrically arranged bridge expansion device monomers, and the upper parts of the opposite sides of the symmetrically arranged bridge expansion device monomers 10 are arranged There is a special-shaped steel structure 100 for installing rubber strips 11, and the two sides of the rubber strips 11 are inserted into the special-shaped steel structure 100; the section of the special-shaped steel structure 100 is C-shaped; the bridge expansion device includes a box Body 10, several first sleeves 12 arranged inside the box body 10 and vertical pins 14 arranged in the first sleeve 12, the upper part of the vertical pin 14 is inserted into the first sleeve 12, the box body A glue injection hole 16 is provided on the upper ...

Embodiment 2

[0045] The self-stabilizing rapid installation bridge expansion device described in this embodiment, see image 3 , composed of symmetrically arranged bridge expansion device monomers, rubber strips 11 for waterproof and sundry prevention are arranged between the symmetrically arranged bridge expansion device monomers, and the opposite sides of the symmetrically arranged bridge expansion device monomers 10 The upper part is provided with a special-shaped steel structure 100 for installing the rubber strip 11, and the two sides of the rubber strip 11 are inserted into the special-shaped steel structure 100; Several first sleeves 12, second sleeves 13 and vertical pins 14 for inserting into the bridge girder body 1, the box body 10 is a shell with a cavity inside surrounded by rectangular steel plates, and the shell The inner cavity of the box is filled with concrete or steel fiber concrete, the vertical pin 14 is inserted into the first sleeve 12 and the second sleeve 13, the t...

Embodiment 3

[0048] The self-stabilizing and quick-installing bridge expansion device described in this embodiment is composed of symmetrically arranged bridge expansion device monomers, and rubber strips 11 for waterproofing and preventing sundries are arranged between the symmetrically arranged bridge expansion device monomers. The upper part of the opposite side of the symmetrically arranged bridge expansion device monomer 10 is provided with a special-shaped steel structure 100 for installing the rubber strip 11, and the two sides of the rubber strip 11 are inserted in the special-shaped steel structure 100; the bridge expansion device monomer It includes a box body 10, several first sleeves 12 arranged inside the box body 10, second sleeves 13 and vertical pins 14 for inserting into the bridge girder body 1, the box body 10 is surrounded by rectangular steel plates The interior is a cavity shell, the internal cavity of the shell is filled with concrete or steel fiber concrete, the vert...

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Abstract

The invention belongs to the technical field of bridge engineering parts and specifically relates to a self-stabilizing rapid-mounted bridge expansion and contraction device and a mounting method thereof. The self-stabilizing rapid-mounted bridge expansion and contraction device specifically consists of symmetrically arranged bridge expansion and contraction device single bodies; a rubber strip for bridge expansion and contraction is arranged between the bridge expansion and contraction device single bodies; each bridge expansion and contraction device single bodies comprises a box body, a plurality of first sleeves and vertical pins, wherein the plurality of first sleeves are arranged in the box body, and the vertical pins are arranged in the first sleeves; the upper parts of the verticalpins are inserted and embedded into the first sleeves; glue injection holes are formed in the upper surface of the box body; and the glue injection holes communicate with the first sleeves. The self-stabilizing rapid-mounted bridge expansion and contraction device has the advantages of high quality, long service life, easy mounting, short mounting period, free maintenance, convenient changing, broad market application prospect and the like.

Description

technical field [0001] The invention belongs to the technical field of bridge engineering components, and in particular relates to a self-stabilizing and quick-installing bridge expansion device and an installation method thereof. Background technique [0002] Prior art bridge telescoping device, see figure 1 , including a steel beam (40), the steel beam (40) is provided with a ring-shaped steel bar (41), and a plurality of pre-embedded steel bars (42) are pre-embedded on the bridge base. In the process of use, it is first necessary to precisely control the welding position, and weld the ring steel bar (41) of the bridge expansion device and the embedded anchor bar (42) one by one, support the formwork, and then pour high-strength concrete for no less than 14 days. During the maintenance period, the traffic is closed, and vehicles are allowed to pass after the maintenance period expires, that is, the installation of the bridge expansion device is completed. The existing br...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/06
Inventor 穆雪野贾晓军丁智勇张利权跃文王伟王超刘盟
Owner 陕西融创交通科技有限公司
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