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Device for codelessly assembling and automatically positioning U-shaped ribbed plate unit

An automatic positioning and rib technology, applied in the erection/assembly of bridges, bridges, buildings, etc., can solve the problems of impossible replacement of steel bridge decks, difficult repairs, and affecting the service life of bridges.

Pending Publication Date: 2018-05-29
CHINA FIRST HIGHWAY ENG +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the past few decades, with the increase of traffic flow and vehicle axle load, fatigue cracks have been found in different connection parts of many steel bridge decks. Since the steel bridge decks cannot be replaced, it is difficult to repair cracks, which seriously affects service life of the bridge

Method used

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  • Device for codelessly assembling and automatically positioning U-shaped ribbed plate unit
  • Device for codelessly assembling and automatically positioning U-shaped ribbed plate unit
  • Device for codelessly assembling and automatically positioning U-shaped ribbed plate unit

Examples

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Embodiment Construction

[0012] A device for automatically positioning a U-rib unit without code assembly, the device includes a hydraulic pressing system 2, a U-rib positioning system 1 and an electric walking system 3; the positioning system track 6 is the main structure of the electric walking system 3, and the positioning system track 6 Both ends are driven by hydraulic cylinders.

[0013] The U-rib positioning system 1 is connected with the hydraulic pressing system 2, and the hydraulic pressing system 2 is installed on the positioning system track 6. The hydraulic pressing system 2 is composed of multiple sets of hydraulic pressing units, and each hydraulic pressing unit is arranged side by side on the positioning system track 6; each hydraulic pressing unit is composed of a hydraulic jack 4 and a U rib clamp 5, and the hydraulic jack 4 is installed On the U-rib fixture 5, the U-rib fixture 5 is clamped on the U-rib plate.

[0014] Such as figure 1 shown by image 3 The positioning system tra...

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Abstract

The invention discloses a device for codelessly assembling and automatically positioning a U-shaped ribbed plate unit and belongs to the technical field of steel-structure bridge manufacturing. The device comprises a hydraulic compressing system, a U-shaped rib positioning system and an electric traveling system, a positioning system rail is a main structure of the electric traveling system and two ends of the positioning system rail are driven by hydraulic cylinders. Space between U-shaped ribs is controlled through the positioning system rail and a U-shaped rib clamp, pressure is applied through a hydraulic jack after positioning of the U-shaped ribs is completed to ensure space between the U-shaped ribs and a steel plate to be within 0.5mm, positioned welding is performed, the U-shapedribs are moved to a next area through the electric traveling system, and the above steps are repeated until assembly of orthotropic bridge deck slabs is completed. Compared with conventional mechanical assembly equipment, the device reduces labor and improves efficiency and assembly quality.

Description

technical field [0001] The invention relates to a device for assembling and automatically positioning U-rib units without codes, which belongs to the technical field of steel structure bridge manufacturing. Background technique [0002] The orthotropic bridge deck is a bridge deck structure that is jointly loaded by longitudinal and transverse stiffeners and cover plates. The structure first started in Germany in the 1950s, and has since been widely used in many countries. At present, it has become a bridge deck structure commonly used by large and medium-span steel bridges in the world. [0003] In the past few decades, with the increase of traffic flow and vehicle axle load, fatigue cracks have been found in different connection parts of many steel bridge decks. Since the steel bridge decks cannot be replaced, it is difficult to repair cracks, which seriously affects the service life of the bridge. Therefore, research on the fatigue of orthotropic bridge decks is the ke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 陈柯才宝山郭东明白虹孙艳明程丽娜
Owner CHINA FIRST HIGHWAY ENG
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