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Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part

A technology of butt fittings and steel pipes, which is applied in construction, building construction, etc., can solve problems such as the size of the connection parts of fire hazards, and achieve the effects of easy control of connection quality, convenient construction, and wide application

Inactive Publication Date: 2012-07-18
ZHEJIANG UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems of fire hazards and oversized connection parts in the steel pipe connection existing in the background technology, the purpose of the present invention is to provide a method for butt jointing of steel pipes with an axial cross plate and a butt fitting

Method used

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  • Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part
  • Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part
  • Method for realizing butt joint of steel pipes by aid of axial cross plug board and butt joint part

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Effect test

Embodiment 1

[0027] Embodiment 1: The method and steps for butt jointing of two steel pipes with elliptical cross-sections with an axial cross plate.

[0028] 1. If figure 1 a. figure 1 As shown in b, one end of each steel plate on the cross plate 1 is processed with several plate holes 2 for connecting high-strength bolts;

[0029] 2. If figure 2 a. figure 2 As shown in b, the butt end of the first steel pipe 3 is cut and processed to form a cross groove 4, the width of which is equivalent to the thickness of the cross plate 1, and can accommodate the insertion of the cross plate 1 along the axial direction of the steel pipe 3;

[0030] 3. If image 3 a. image 3 As shown in b, after one end of the unprocessed round hole 2 of the cross plate 1 is inserted into the end of the first steel pipe 3 with the cross groove 4, welding is performed at the joint between the cross plate 1 and the first steel pipe 3 to form a weld seam 5;

[0031] 4. The connection method and steps of the sec...

Embodiment 2

[0034] Embodiment 2: A method and steps for butt jointing of three or more steel pipes with elliptical cross-sections using an axial cross plate.

[0035] 1. If figure 1 a. figure 1 As shown in b, one end of each steel plate on the cross plate 1 is processed with several plate holes 2 for connecting high-strength bolts;

[0036] 2. If figure 2 a. figure 2 As shown in b, the butt end of the steel pipe 3 is cut and processed to form a cross groove 4, the width of which is equivalent to the thickness of the cross plate 1, and can accommodate the insertion of the cross plate 1 along the axial direction of the steel pipe 3;

[0037] 3. If image 3 a. image 3 As shown in b, after one end of the unprocessed round hole 2 of the cross plate 1 is inserted into the end of the first steel pipe 3 provided with the cross groove 4, welding is performed at the joint between the cross plate 1 and the first steel pipe steel pipe 3 to form a weld. seam 5;

[0038] 4. The connection met...

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Abstract

The invention discloses a method for realizing butt joint of steel pipes by the aid of an axial cross plug board and a butt joint part. Two end of the cross plug board is embedded into steel pipe axial cross recesses at butt joint ends of the two steel pipes, the other ends, which are not embedded into respective the steel pipe axial cross recesses of the two steel pipes, of the cross plug boards are integrally in butt joint with angle steel, or at least one intermediate steel pipe is further serially connected between the butt joint ends of the two steel pipes. The two steel pipes are connected rigidly in a cross plug board butt joint mode, various internal force including axial force, bending moment, shearing force, torque and the like can be effectively transmitted, construction is carried out conveniently and safely, the steel pipes can be connected by bolts without welding an a field installation process, construction installation is carried out conveniently, the connection quality does not rely on the technical level of welding workers, fire hazards can be avoided due to a non-welding working mode, the method is wide in application range, multiple steel pipes in the same type can be axially connected in the cross plug board butt joint mode, and different types of steel pipes with different outer diameters, different section shapes, different wall thickness and the like also can be axially connected in the plug board butt joint mode.

Description

technical field [0001] The invention relates to steel pipe connectors, in particular to a method for butt-joining steel pipes with an axial cross plate in a building structure and the butt joint. Background technique [0002] The usual types of axial connection between steel pipes are: (1) Welding type: first open 35~45mm at the butt joint of two steel pipes ° (2) Flange connection type: first weld a flange at the butt joint of two steel pipes, and then connect with high-strength bolts. The advantage of the welding type is that the structure is good, and the disadvantage is that the welding quality control is highly dependent on the technical level of the operator and there is a potential fire hazard. The advantage of the flange connection type is that it avoids the disadvantages of the welding type, but the disadvantage is that the diameter of the flange is larger than that of the steel pipe, and the formed larger-sized protruding edge will affect the layout of other rods ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/58
Inventor 卓新苏亮李忠学王建林张成左权胜
Owner ZHEJIANG UNIV
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