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Bending calculation method of bevel angle steel for connecting different planes of pipe steel beam

A calculation method and technology of bevel angle steel, applied in the field of calculation

Active Publication Date: 2014-04-09
HEBEI POWER TRANSMISSION & TRANSFORMATION +2
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  • Abstract
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Problems solved by technology

[0006] The technical problem to be solved in the present invention is to provide a calculation method for oblique steel bends for the second processing method, which can accurately calculate the oblique angle steel between two main steel pipes that are not in the same plane at the joint of the steel pipe beam. Bending point and bending angle, further reducing material waste and improving work efficiency

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  • Bending calculation method of bevel angle steel for connecting different planes of pipe steel beam
  • Bending calculation method of bevel angle steel for connecting different planes of pipe steel beam
  • Bending calculation method of bevel angle steel for connecting different planes of pipe steel beam

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Embodiment Construction

[0060] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0061] In the calculation process of the closing part of the steel pipe beam of the substation, a single straight line can be used to replace the alignment of the oblique angle steel at the closing part of the steel pipe beam, which can simplify the calculation and the error caused by it is also within the acceptable range of the project. Set the three main steel pipes of the closing part of the pipe steel beam as steel pipes G respectively 1 , steel pipe G 2 and steel pipe G 3 , the three main steel pipes are not parallel at the closing, such as figure 1 shown. Steel pipe G at the end 1 The endpoints of are P 1 (x 1 y 1 z 1 ), P 3 (x 3 y 3 z 3 ), steel pipe G 2 both ends of P 4 (x 4 y 4 z 4 ), P 9 .

[0062] pass P 1 And with the steel pipe G 1 Vertical plane with steel pipe G 2 The intersection point is P 2 , P 2 The coordinates are x ...

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Abstract

The invention relates to a bending calculation method of bevel angle steel for connecting different planes of a pipe steel beam, which mainly comprises the process of calculating a bending point of the bevel angle steel at a convergent opening of the pipe steel beam and a bending angle when the bevel angle steel is connected with a main steel pipe. The bending calculation method has the beneficial effect that according to an analytical geometry and projective geometry theory, a structural equation at the convergent opening of the pipe steel beam is established by using an analytic method to accurately calculate the bending point and the bending angle of the bevel angle steel of the pipe steel beam, so that the waste of materials is reduced, and the work efficiency is improved.

Description

technical field [0001] The invention relates to a calculation method, in particular to a calculation method for bending of oblique angle steel used for connecting main steel pipes in different planes, which is applied to the closing structure of pipe steel beams. Background technique [0002] Most of the steel girders in the 500kV and above substation structures in the power system are triangular tubular steel girders, that is, the shape of the steel girders is a triangular structure. The steel girder includes three main steel pipes, side angle steel oblique materials and bottom angle steel oblique materials connecting the three main steel pipes. For the middle part of the steel pipe beam, since the three main steel pipes are parallel to each other, the calculation of the structural size of the member is carried out in the plane, so it is relatively simple. However, for the closing part of the two ends of the pipe steel beam, since the two steel pipes on the bottom surface ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 董桂西梁静
Owner HEBEI POWER TRANSMISSION & TRANSFORMATION
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