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Overlaying equipment of drilling tool for petroleum extraction

A drilling tool and oil technology, which is applied in the field of surface treatment equipment for pipes to achieve the effects of increasing hardness, increasing melting depth and improving wear resistance

Inactive Publication Date: 2012-02-08
SHANGHAI TUBE COTE PETROLEUM PIPE COATING +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Existing technology can no longer meet the needs

Method used

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  • Overlaying equipment of drilling tool for petroleum extraction
  • Overlaying equipment of drilling tool for petroleum extraction
  • Overlaying equipment of drilling tool for petroleum extraction

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Embodiment Construction

[0014] see figure 1 , figure 2 , the surfacing welding equipment of drilling tool for petroleum exploitation of the present invention comprises automatic control carbon dioxide welding machine, and this automatic control carbon dioxide welding machine comprises gas-shielded welding machine 1, cooling water supply system 2, carbon dioxide protective gas supply system 3, workpiece clamping And feeding system 4, intermediate frequency heating system 5, water-cooled welding torch 6, water-cooled welding torch clamping control mechanism 7 and powder spraying mechanism 8. Wherein the water-cooled torch clamping control mechanism 7 comprises a cross middle plate 71, a cross moving plate 72 and a welding torch adjusting plate 73, the cross moving plate 72 is installed on the cross middle plate 71 and can move laterally along the cross middle plate 71, and the welding torch adjusting plate 73 is installed It can move vertically along the cross moving plate 72 on the cross moving plat...

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Abstract

The invention provides overlaying equipment of a drilling tool for petroleum extraction. In the overlaying equipment, a set of powder spraying mechanism is additionally arranged on the basis of the conventional automatic control carbon dioxide welding machine, is arranged in parallel with a water-cooled welding gun for use and comprises a mounting plate, a powder box, a speed adjusting motor, an eccentric shaft, an upper sliding plate, a lower sliding plate, a discharge pipe, a powder spraying gun tube, an adjusting switch and an argon gas delivery nozzle. By adopting the overlaying equipment of the drilling tool for petroleum extraction, combination of carbon dioxide shielded welding and powder spraying facing can be realized to perform synchronous welding, so that the forming of a weld joint and the fusion depth of a welding wire and a parent metal are effectively increased, and the hardness of a welding layer is improved; and thus, the wear resistance of the drilling tool and the anti-friction quality of the drilling tool to a bushing are improved, and the service life of the drilling tool is prolonged by more than two times.

Description

technical field [0001] The invention relates to a surface treatment equipment for pipe materials, in particular to a surfacing welding equipment for drilling tools used in oil exploitation. Background technique [0002] With the rapid development of the oil drilling industry, more and more drilling tools are used for oil exploration, and the damage of drilling tools in drilling is also becoming more and more serious. The existing technology adopts plasma spray welding and carbon dioxide protected hard surface surfacing technology to form a layer of wear-resistant band on the vulnerable surface of the drilling tool, which plays a certain positive role in protecting the damaged surface of the drill pipe during drilling and drilling. . However, the weld seam used as welding surfacing has higher and higher requirements for the protection of the drill pipe, and the user has higher and higher requirements for the service life of the drill tool. Existing technologies can no longe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/04B23K9/16B23K9/32
Inventor 曹育红高智海梁龙昌胡舟王建刚
Owner SHANGHAI TUBE COTE PETROLEUM PIPE COATING
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