Device used for welding grating steel frame and welding method
A grid steel frame and welding method technology, applied in the direction of auxiliary equipment, welding equipment, auxiliary welding equipment, etc., can solve the problems of electric welding arc light damage to the human body, poor welding consistency, and low welding efficiency, so as to reduce the difficulty of programming and ensure High welding quality and high welding efficiency
Pending Publication Date: 2021-08-03
中铁五局集团贵州工程有限公司 +1
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Problems solved by technology
[0004] However, this processing method uses pure manual welding of the eight-character bars and the main bars, and the steel frame segments need to be manually turned over during the welding process to facilitate welding of different sides of the steel frame segments, which has low welding efficiency and poor welding consistency. , Labor intensity is high and welding arc light is harmful to the human body.
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[0034] The technical solution of the present invention is further described below, but the scope of protection is not limited to the description.
[0035] Such as Figure 1 to Figure 3 As shown, a device for welding grid steel frames according to the present invention includes two workpiece clamping and moving mechanisms 3, and a pedestal 4 is arranged between the two workpiece clamping and moving mechanisms 3, and on the pedestal 4 An avoidance opening is processed, and a bracket is installed on the inner side of the avoidance opening, and a welding structure is movably installed on the bracket above the pedestal 4 . When in use, the workpiece clamping moving mechanism 3 , the pedestal 4 and the support are all fixedly installed on the base 8 .
[0036] The workpiece clamping and moving mechanism 3 is a cantilever manipulator.
[0037] The support includes an arc-shaped working disk 2, and columns 1 are welded at both ends of the arc-shaped working disk 2, and arc-shaped ra...
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The invention discloses a device used for welding a grating steel frame and a welding method, and belongs to the technical field of tunnel grating steel frame machining. The device comprises two workpiece clamping and moving mechanisms, a pedestal is arranged between the two workpiece clamping and moving mechanisms, an avoiding opening is formed in the pedestal, a support is arranged on the inner side of the avoiding opening, and a welding structure is movably arranged at the position, above the pedestal, of the support. In the process of welding 8-shaped knots and main ribs together, jacking, falling, overturning and welding of steel frame sections are all automatically completed by the device, the welding efficiency is high, and the labor intensity of workers and the harm of electric welding arc light to human bodies are greatly reduced. No matter which surfaces of the steel frame sections are welded, the steel frame sections rotate around the circle centers determined by the central axes of the steel frame sections, the device contributes to improving the welding consistency of the 8-shaped knots and the main ribs and contributes to ensuring the welding quality, and meanwhile the programming difficulty can be reduced.
Description
technical field [0001] The invention relates to a device and a welding method for welding a grid steel frame, belonging to the technical field of tunnel grid steel frame processing. Background technique [0002] Grid steel frame, as a kind of steel support for the initial support of surrounding rocks of grades IV and V in tunnel engineering, is widely used in municipal, highway, railway and water conservancy and hydropower projects. The structural form of the grille steel frame is mainly composed of main bars, 8-shaped knots, mouth-shaped bars and joint steel plates. The welding of the main bars and the 8-shaped knots is an important process in the processing of the grille steel frame. [0003] The Chinese patent document with the publication number CN110744219A discloses a rapid processing platform and processing method for a grid steel frame. A plurality of movable main rib positioning molds are used to position the processed steel frame segments. The main reinforcement p...
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IPC IPC(8): B23K37/02
CPCB23K37/0211B23K37/0252
Inventor 王勇吴俊霖杨泉勇段聂云卢静彭珊
Owner 中铁五局集团贵州工程有限公司