Steel structure bridge truss with buffering characteristic

A steel structure and bridge technology, applied in bridges, bridge construction, bridge parts, etc., can solve problems such as large shear force and limited durability of connectors, achieve good support stability, reduce installation costs, and reduce quantities Effect

Pending Publication Date: 2022-05-13
江苏瑞成建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing bridge trusses are assembled by splicing top chords, which is convenient for production, transportation and construction. However, this bridge truss is spliced ​​with rigid connection components, so the connection between the top chords will bear a large load when subjected to rigid impact. The shear force caused by the rigid impact, so the durability of the joints of the same strength is limited

Method used

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  • Steel structure bridge truss with buffering characteristic
  • Steel structure bridge truss with buffering characteristic
  • Steel structure bridge truss with buffering characteristic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] refer to figure 1 , in this embodiment, a steel structure bridge truss with cushioning properties is proposed, and the steel structure bridge truss with buffering properties includes: a splicing unit 1 and a supporting top plate 2; the supporting top plate 2 is installed on the splicing unit 1, The supporting top plate 2 is adapted to the piece to be supported.

[0030] There are several splicing units 1, and each splicing unit 1 is spliced ​​to form a bracket structure. The splicing unit 1 includes a bracket unit and a top unit, and the top unit is fixed on the top of the bracket unit to form a bracket structure. refer to Figure 2 ~ Figure 4 , the bracket unit and the top unit both include a lower plate 3 and an upper plate 4, and the lower plate 3 and the upper plate 4 are arranged opposite to each other up and down. The upper surface of the lower plate 3 is oppositely provided with two lower sliding grooves 8, and the inner sliding portion of the lower sliding gro...

Embodiment 2

[0037] One end of the upper plate 4 of the top unit is provided with a positioning sliding groove 17, and the other end of the upper plate 4 is fixedly provided with a positioning sliding block 6. When the top unit is spliced, the positioning sliding block 6 slides and nests inside the positioning sliding groove 17. Thereby, the connection and buffering of the top unit are facilitated, and the connection buffering capacity is increased.

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PUM

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Abstract

The invention relates to the technical field of bridge assemblies, and discloses a steel structure bridge truss with a buffering characteristic, which comprises the following steps: constructing a space coordinate system, acquiring support data and support height, and calculating the support length of each splicing unit by a controller according to the support height L; the controller searches a preset length-distance information table to obtain a first interval; the controller controls the sliding driving structure to drive the distance between the lower sliding blocks to be a first interval; the controller obtains the buffering force of the corresponding coordinates according to the supporting data; searching a preset buffer force-distance table to obtain a second interval; the controller controls the first motor to drive the distance between the driving block and the upper sliding block to be a second distance. Buffering and supporting are conducted through the lower plate, and the device can be suitable for various installation environments and is high in application capacity. Adjustment is carried out by constructing a coordinate system, control is convenient and fast, and the automation degree is high.

Description

technical field [0001] The invention relates to the technical field of bridge components, in particular to a steel structure bridge truss with cushioning properties. Background technique [0002] With the development of science and technology and the progress of society, road construction is the pioneer to promote social development. When carrying out some road construction, it is necessary to use bridge trusses for support. Existing bridge trusses are assembled by splicing top chords, which is convenient for production, transportation and construction. However, this bridge truss is spliced ​​with rigid connection components, so the connection between the top chords will bear a large load when subjected to rigid impact. The shear force caused by the rigid impact, so the durability of the same strength connection is limited. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the present invention provides a steel structure bridge t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00E01D21/00
CPCE01D19/00E01D21/00
Inventor 颜廷坚王颜
Owner 江苏瑞成建筑科技有限公司
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