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Automatic production equipment for spiral steel pipe with spiral reinforcing ring

A technology of spiral steel pipe and production equipment, applied in other manufacturing equipment/tools, manufacturing tools, etc., to achieve the effects of improving welding quality, convenient adjustment and fixing, easy pressure test and leak detection

Active Publication Date: 2016-08-24
南京大得钢管有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no fully automatic integrated special equipment for the production of spiral steel pipes with spiral reinforcing rings in the national standard

Method used

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  • Automatic production equipment for spiral steel pipe with spiral reinforcing ring
  • Automatic production equipment for spiral steel pipe with spiral reinforcing ring
  • Automatic production equipment for spiral steel pipe with spiral reinforcing ring

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The technical solution of the present invention will be further described below.

[0038] Such as figure 1 As shown, the automatic production equipment of the present invention includes the first put turn frame 1 for setting the main steel strip connected in sequence, the feeding bracket 2 for conveying the main steel strip 14, the first pinch roller device 3, the straightening Flat roller device 4 and rotating beam 5; the rear of the rotating beam 5 is located above or below the plane where the main steel belt 14 is located, and is also connected in turn to the second turn frame 6 and the second pinch roller device for setting the narrow steel belt 15 7 and a forming device 8 for bending the narrow steel strip, and the forming device 8 sends the formed narrow steel strip 15 (i.e., the reinforcement ring 16) into the main steel strip 14 through the guide device 9, and the main steel strip 14 and The reinforcing ring 16 passes through the clamping device 10 , the spiral...

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Abstract

The invention discloses automatic production equipment of a spiral steel pipe with a spiral reinforcing ring. The equipment comprises a first rotating frame for arranging a main steel strip, a feeding bracket for conveying the main steel strip, a first clamping roller device, a leveling roller device and a rotating beam connected in sequence, wherein a second rotating frame for arranging a narrow steel strip, a second clamping roller device and a forming device for bending the narrow steel strip to form the reinforcing ring are additionally connected in sequence above or below the plane position of the main steel strip behind the rotating beam, and the forming device conveys the reinforcing ring to the main steel strip through a guide device; and the main steel strip and the reinforcing ring are formed to the spiral steel pipe with the spiral reinforcing ring through a clamping device, a spiral steel pipe forming device, a welding device and a cutting device in sequence. The equipment has the following advantages: the equipment can synchronously machine and form the spiral reinforcing ring and the wall of the steel pipe to produce the spiral steel pipe with ultralarge diameter, thin pipe wall, increased annular rigidity and protection effect on joints of adjacent pipe sections.

Description

technical field [0001] The invention relates to a production equipment for steel pipes, in particular to an automatic production equipment for spiral steel pipes with a spiral reinforcing ring. Background technique [0002] There are various pipelines such as reinforced concrete pipelines, plastic pipelines and steel pipelines at present, but the diameters of the above-mentioned pipelines cannot be too large. It is bulky, difficult to construct, easy to leak, and the medium pressure should not be too high, so it cannot be used as a pressure pipe; the plastic pipe has a small elastic modulus, and when used as a large-diameter pipe, the hoop stiffness cannot meet the requirements, and it cannot be used as a pressure pipe. Pipeline: When the diameter of the steel pipe is too large, in order to meet the most basic anti-crush strength, that is, the hoop stiffness, the thickness of the steel plate must be increased, which is very costly, and the diameter cannot be too large. When ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P23/04
CPCB23P23/04
Inventor 战福军
Owner 南京大得钢管有限公司
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