Tee pipe connecting structure

A connection structure, three-way pipe technology, applied in the direction of adjustable connection, pipe/pipe joint/pipe fitting, pipe, etc., can solve the problem of damage to anti-corrosion and wear-resistant materials, rigid connection of pipeline stress concentration, pressure-resistant hose adjustment range limited and other problems, to achieve the effect of ensuring sealing and large axial adjustment space

Pending Publication Date: 2019-12-27
中冶北方(大连)工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In industry, the most commonly used tools for liquid transportation are various types of steel pipes, which are connected together one by one by welding or flange connection. In order to ensure the durability of the steel pipes, they are often pasted inside the steel pipes. Or spray anti-corrosion and wear-resistant materials, because welding will destroy anti-corrosion and wear-resistant materials, this kind of pipeline with lining is usually connected by flanges, if all pipelines are rigidly connected, due to the accumulation of manufacturing errors and installation errors, it will cause At the tee or at the end of the pipe, some flange joints cannot be butt-jointly installed; for the installed pipe, the axial force generated by thermal expansion and contraction will also cause stress concentration in the local position of the rigidly connected pipe, thereby affecting Adverse effects on the safe use of pipelines
In actual production, flexible hoses can also be used to overcome the above-mentioned adverse effects, but the rigidity of the hose is insufficient, and the adjustment range of the pressure-resistant hose is also very limited, and the cost is high

Method used

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Examples

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Example Embodiment

[0022] Example

[0023] Such as Figure 4 As shown, the intersection of the center lines of the main steel pipe 101 and the secondary steel pipe 102 is set as the reference point, and the axial adjustment distance of each interface flange is ±50mm. Therefore, the reference point can be adjusted in the axial direction of the main steel pipe 101. It is ±100mm, and the adjustment distance in the axial direction of the secondary steel pipe 102 is ±50mm. In combination, the reference point can be adjusted within a parallelogram range. This performance feature can make the present invention have a great position adjustment in practical application Installation ability. For installed pipelines, the adjusting flange of the present invention can effectively eliminate the influence of the axial force generated by thermal expansion and contraction.

[0024] Installation operation of the present invention:

[0025] When installing the connecting pipe on site, first loosen the bolt assembly 5, ma

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Abstract

The invention relates to a tee pipe connecting structure which comprises a tee pipe and three connecting flanges at the ends of the tee pipe. The tee pipe connecting structure is characterized by further including a first adjusting flange assembly, a second adjusting flange assembly, a third adjusting flange assembly and bolt assemblies; the first adjusting flange assembly, the second adjusting flange assembly and the third adjusting flange assembly are inserted into a first connecting flange, a second connecting flange and a third connecting flange of the tee pipe correspondingly, and connection and fixing together with the tee pipe are achieved through the bolt assemblies; and the second adjusting flange assembly and the third adjusting flange assembly are the same as the first adjustingflange assembly in structure. The tee pipe connecting structure has the advantages that the structure is simple, operation is easy, each adjusting flange has circumferential and axial adjustment capabilities, and the functionality and the adjusting correction performance of the tee pipe connecting structure for pipe connection are greatly enhanced.

Description

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Claims

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Application Information

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Owner 中冶北方(大连)工程技术有限公司
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