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Special single-beat welding machine for steel bar trusses

A steel truss and welding machine technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of unstable welding quality, high cost, complex structure, etc., to reduce labor intensity and production cost, and achieve a high degree of automation. , the effect of improving construction efficiency

Inactive Publication Date: 2013-08-14
NANJING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The existing welding devices on the market are complex in structure, high in cost, and unstable in welding quality

Method used

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  • Special single-beat welding machine for steel bar trusses
  • Special single-beat welding machine for steel bar trusses
  • Special single-beat welding machine for steel bar trusses

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Embodiment Construction

[0016] combine figure 1 , Figure 4 , a special welding machine for a single-beat steel bar truss of the present invention, comprising a machine base 1, a workbench 3, an automatic height-adjustable upper chord bar support frame 4, a lower chord bar positioning mechanism 6, a web bar steel bar positioning and pressing mechanism 25, an upper welding Device 24, lower welding device 23, positioning and guiding device 8 under the steel bar truss, and positioning and guiding device 26 on the steel bar truss; the welding machine is divided into a front working part and a rear working part according to the feeding direction of the steel bar material, and the upper middle part of the machine base 1 is set Workbench 3, the upper chord bar support frame 4 that can be automatically adjusted is set above the workbench 3 of the front work part, the lower chord bar positioning mechanism 6 is symmetrically distributed on both sides of the workbench 3 of the front work part, and the positioni...

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Abstract

The invention discloses a special single-beat welding machine for steel bar trusses on an automatic production line of steel bar trusses. The special single-beat welding machine structurally comprises a machine base, a worktable, an upper welding device and a lower welding device, wherein the worktable is mounted on the machine base, a web member steel bar positioning and tensioning device, an upper string rib support and the upper welding device are arranged at the front end of the machine base, and the lower welding device and the steel bar truss positioning and guiding device are arranged at the rear end of the machine base. Lower string rib positioning and guiding devices are symmetrically arranged on two sides of the worktable. The web member steel bar positioning and tensioning device can fixe relative positions of web member steel bars and upper string ribs before the steel bar trusses are welded. The upper string rib support can be applicable to production of the steel bar trusses different in height, and the upper string ribs and the lower string ribs are respectively welded with the web member steel bars by the upper welding device and the lower welding device. After welding and forming, the steel bar trusses are fed to subsequent production units by an automatic step system. The special single-beat welding machine is simple in structure, high in automation degree and low in production cost.

Description

technical field [0001] The invention belongs to the technical field of steel bar truss production, in particular to a single-beat special welding machine for steel bar trusses in a numerical control production line of triangular steel bar trusses. Background technique [0002] At present, steel trusses have gradually been widely used in roof trusses, bridges, high-speed railway sleepers and floor decks of high-rise buildings. The steel truss is formed by welding and shearing three main chord bars and two bent web bars. The truss member mainly bears axial tension or pressure, can make full use of the strength of the material, saves material, reduces self-weight and increases rigidity compared with solid web beam material. After the steel bar truss is welded and formed, it is welded with galvanized steel plate to form a formwork, which can be directly laid on the steel beam, and then simple steel bar engineering and other corresponding work can be performed to pour concrete, ...

Claims

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Application Information

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IPC IPC(8): B23K11/11B23K37/04B23K11/31B23K11/36
Inventor 李东波何非童一飞安永乐朱亮徐良凯
Owner NANJING UNIV OF SCI & TECH
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