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Parallelogram cross-section whole node rod piece lineation drilling technique

A technology of parallelogram and integral joints, which is applied in the field of scribing and drilling technology for rods with integral joints of parallelogram cross-section, and achieves the effects of strong operability, high work efficiency and high scribing accuracy

Active Publication Date: 2013-03-13
CHINA RAILWAY JIUJIANG BRIDGE ENG +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a scribing and drilling process for integral node rods with parallelogram cross-section, which solves the problems of hole-making precision on the opposite surface of the parallelogram integral node rods and the hole-making accuracy of the inner nodes over the super-wide roof

Method used

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  • Parallelogram cross-section whole node rod piece lineation drilling technique
  • Parallelogram cross-section whole node rod piece lineation drilling technique
  • Parallelogram cross-section whole node rod piece lineation drilling technique

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Experimental program
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Embodiment Construction

[0036] Such as Figure 1~Figure 13 As shown, the top plate of the bottom chord member of the integral node protrudes from the inner gusset plate, so that the plane of the inner gusset is divided into two parts, and the web system line of the inner gusset plate is accurately drawn by using the auxiliary point, and the hole group of the web member of the inner gusset plate is drilled to ensure that The accuracy of the relative dimensions of the web hole groups of the inner and outer gusset plates with front and rear misalignment features, including the scribing step of the inner web of the integral node member with a parallelogram cross-section,

[0037] The inner and outer flank system lines of the top chord members,

[0038] 1) After the welding of the rod group is completed, the flame is calibrated, and after passing the pass, it flows into the marking process, and white paint is painted on the marking area;

[0039] 2) After the marking bar is hoisted into the marking plat...

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Abstract

The invention discloses a parallelogram cross-section whole node rod piece lineation drilling technique, which solves the problems of pore-making precision of the opposite surfaces of the parallelogram whole node rob piece and the pore-making precision of the internal side node through the ultra wide top plate. The technique has the characteristics of high lineation precision and high working efficiency and is strong in operability; , and is suitable for drilling construction of the steel truss girder bridge by adopting the an upper chord member, the a lower chord member of the wide flange parallelogram cross-section of the whole node.

Description

technical field [0001] The invention relates to a scribing and drilling process for integral node members with parallelogram cross-sections, in particular to the manufacture of steel truss girders of cable-stayed bridges in which upper and lower chord members adopt box-shaped members with wide flange parallelogram cross-sections at integral nodes Scribing and drilling process of rods during construction. Background technique [0002] Since the cable-stayed bridge with steel truss girder structure, the main truss has always adopted a rectangular cross-section, and the main truss members have a rectangular cross-section. The construction of truss cable-stayed bridges has become the trend of bridge construction in the future. It can not only meet the requirements of long-span structures on large rivers and rivers, but also reduce the cost of bridge construction (the manufacturing cost of steel bridges can be reduced by 15%). The main truss chord The wide-flange parallelogram c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B35/00
Inventor 王员根殷红韩博万纯兰齐晓敏何亮胡小珍付建辉胡依芳韦文俊
Owner CHINA RAILWAY JIUJIANG BRIDGE ENG
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