Novel net frame bearing rod
A technology of bearing rods and grids, which is applied in construction, building structure and other directions, can solve the problems of waste of raw materials, low production efficiency, complicated processes, etc., and achieve the effects of saving energy and raw materials consumption, high manufacturing efficiency and simple process.
Inactive Publication Date: 2012-01-11
邹以明
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Problems solved by technology
[0003] The purpose of the present invention is to provide a new type of network frame load-bearing rod to overcome the existing network frame load-bearing rods, due to the complex process, large energy consumption, serious waste of raw materials and low production efficiency in the manufacturing process. high cost defects
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[0009] The bearing rod of the grid frame has a flared head (2), and the blank of the flared head (2) is expanded into a flared shape (2) by a flared punch (4) and a flared concave die (5). , the bell mouth-shaped head (2) is combined with the steel pipe (1), and an annular weld (3) is formed by welding in the annular groove (6) formed on the outside of the bell mouth and the end of the steel pipe (1) mouth. ) to fix the steel pipe (1) and the flared head (2) into one.
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The invention relates to a novel net frame bearing rod, which is composed of a steel tube, a horn mouth type sealing head, a circular welding line, an expansion male mould, an expansion female mould and circular grooves. The net frame bearing rod is provided with the horn mouth type sealing head. The blank of the horn mouth type sealing head is expanded into a horn mouth type structure through the expansion male mould and the expansion female mould. The horn mouth type sealing head is combined with the steel tube. The circular welding line is formed in the circular grooves outside the horn mouth and at the end of the steel tube mouth in a welding manner, therefore, the steel tube and the horn mouth type sealing head are fixed into a whole.
Description
technical field [0001] The invention relates to a bearing rod, in particular to a novel grid bearing rod, which belongs to the technical field of grid structure. Background technique [0002] At present, in the structure of the bearing rod of the grid frame, it is generally made of steel pipes and forged flat heads by welding. Due to the complicated forging process of the head, heating equipment is required during the manufacture. Therefore, equipment investment, energy The consumption is also large. In addition, since the material forming the middle hole of the head is converted into waste during the manufacturing process, there is still a serious waste of raw materials, so the cost of the bearing rod is also high. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to: provide a kind of novel grid bearing rod, overcome the existing grid bearing rod, due to the complicated process, large energy consumption, serious waste of raw materials, and low pro...
Claims
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Inventor 邹以明
Owner 邹以明