A connection node of a modular assembled four-column narrow-base steel pipe tower

Abstract

The invention discloses a connection node of a modularly assembled four-column narrow-base steel pipe tower, which is characterized in that it includes a main pipe, an end plate and several diaphragm assemblies; each of the diaphragm assemblies includes four groups of identical transverse Diaphragm modules; each of the diaphragm modules includes two identical diaphragms and webs welded vertically between the two diaphragms; the diaphragms are provided with a circular weld at the corner L-shaped; the annular weld is used for welding the main pipe; both ends of the diaphragm module are provided with end plates; the end plates on the adjacent diaphragm modules are connected by high-strength bolts. Beneficial effects achieved by the present invention: the connection node of the modularly assembled four-column narrow-base steel pipe tower designed by the present invention has strong connection integrity and high reliability; it is easy to install, saves assembly time, and improves the installation efficiency of the steel pipe tower; Reduce the number of high-strength bolts used, reduce tower weight, and be more economical.

Description

technical field [0001] The invention relates to a connection node of a modularly assembled four-column narrow-base steel pipe tower, which belongs to the technical field of steel pipe connection. Background technique [0002] Since the reform and opening up, my country's infrastructure construction and national economic development have achieved rapid development. In order to meet the needs of economic development for electric energy, the eastern coastal areas have accelerated the construction of high-level power grids. Transmission line towers are an important part of power grid construction, and their design is directly related to the safety and operation stability of power grid construction. The power supply capacity of the original urban power grid is difficult to meet the city's electricity demand, so there is an urgent need to build 220kV or higher voltage transmission lines in urban areas. Narrow-based steel pipe towers are favored by the power sector because of savi...

AI Technical Summary

Problems solved by technology

This node has the following disadvantages: 1. The manufacture of the ring gusset plate is troublesome, and the material consumption is relatively large; 2. The number of bolts in the node area is large, which increases the workload of assembly; 3. The ring gusset plate and the I-beam flange, node The web is lapped with the I-beam web to increase the weight of the tower

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