Sharpening machine for weld reinforcement in longitudinal welded pipe

A technology of straight seam welded pipe and weld reinforcement, which is applied in the direction of machine tools, grinding machines, grinding/polishing equipment, etc. suitable for grinding the edge of workpieces, and can solve the problems of narrow space, high labor intensity, downgraded use, etc., and achieve guaranteed The effect of working status, convenient operation and simple steps

A technology of straight seam welded pipe and weld reinforcement, which is applied in the direction of machine tools, grinding machines, grinding/polishing equipment, etc. suitable for grinding the edge of workpieces, and can solve the problems of narrow space, high labor intensity, downgraded use, etc., and achieve guaranteed The effect of working status, convenient operation and simple steps

CN105290907AActive Publication Date: 2016-02-03BAOSHAN IRON & STEEL CO LTD
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  • Sharpening machine for weld reinforcement in longitudinal welded pipe
  • Sharpening machine for weld reinforcement in longitudinal welded pipe
  • Sharpening machine for weld reinforcement in longitudinal welded pipe

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Embodiment Construction

[0047] The following will further illustrate the inner weld reinforcement grinding machine for longitudinally welded pipes according to the present invention according to specific examples, but the specific examples and related descriptions do not constitute improper limitations to the technical solution of the present invention.

[0048] image 3 It shows the three-dimensional structure of the straight seam welded pipe inner weld reinforcement grinding machine in one embodiment of the present invention. Figure 4 Then it shows the structure of the straight seam welded pipe inner weld reinforcement grinding machine under another viewing angle.

[0049] like image 3 and Figure 4 As shown, the straight seam welded pipe internal weld reinforcement grinding machine J in this embodiment includes: a grinding trolley 50, a trolley platform 60, a grinding wheel machine 70 and a driving device 80; the grinding trolley 50 has a body 51, a trolley platform 60 Located below the grind...

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Abstract

The invention discloses a sharpening machine for the weld reinforcement in a longitudinal welded pipe. The sharpening machine comprises a sharpening trolley comprising a trolley body, a sharpening grinding machine arranged on the trolley body, and a driving device connected with the sharpening trolley; a driving element drives the sharpening trolley to go into the longitudinal welded pipe to sharpen the weld reinforcement. The sharpening machine for the weld reinforcement in the longitudinal welded pipe is capable of performing total-length or local sharpening on a weld joint in a steel pipe stably, reliable and automatically, and therefore, the labor intensity of the working personnel is reduced and the working performance is improved. Besides, the overall structure of the sharpening machine is simple, and an adjustment method of the sharpening machine is simple, convenient and easy to operate; the involved sharpening parts are not easy to damage and low in maintenance cost.

Description

technical field [0001] The invention relates to a grinding machine, in particular to a welding seam grinding machine. Background technique [0002] The weld reinforcement of straight seam welded pipe is one of the important factors to judge the quality of the weld. Excessive weld reinforcement will not only increase the anti-corrosion cost of the welded pipe, but also lead to stress concentration at the weld toe, which will easily induce weld toe cracks and increase the service risk of the pipeline. In the API5L pipeline steel pipe specification, there are clear regulations and requirements for the weld reinforcement, and high-standard steel pipes such as oil, gas, and marine pipes further require that the weld reinforcement should not exceed 2.5mm. [0003] For steel pipes with excessively high weld reinforcement, manual grinding is usually used to remedy them. Compared with the outer weld, the manual grinding difficulty and strength of the inner weld are greatly increase...

Claims

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Application Information

Patent Timeline
03 Feb 2016
Publication
CN105290907A
IPC
B24B9/04
Inventors
郭运; 傅建友