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Device and method for controlling welding stress and deformation by combining heating with welding and chilling

A welding stress and chilling technology, which is used in the field of devices for controlling welding stress and deformation by combining heating and cooling with welding, and controlling welding stress and deformation by combining heating and cooling with welding, which can solve the problem of large space and volume, etc. question

Active Publication Date: 2017-02-22
JIAMUSI UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this method takes up a lot of space

Method used

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  • Device and method for controlling welding stress and deformation by combining heating with welding and chilling
  • Device and method for controlling welding stress and deformation by combining heating with welding and chilling
  • Device and method for controlling welding stress and deformation by combining heating with welding and chilling

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Embodiment

[0023] Such as Figure 1-4 As shown, a device for controlling welding stress and deformation with welding heating and chilling, including a support system and an automatic walking device connected to the support system, a welding system, a heating system and a cooling system. The support system includes a support rod 1 and a vertical The connected vertical rod 3 is provided with a fixed block 7 at the junction of the middle part of the support rod 1 and the root of the vertical rod 3, and multiple fixed blocks 6 are arranged above, and are connected by a pillar 19; a slider is installed on the support rod 1 through a ring sleeve 14 2. Move the slider 2 to adjust the distance from the heat gun 4 to the dry ice nozzle 5. There are screw holes 15 on the ring sleeve 14, which are fastened by bolts 17. There are side plates 20 between the ring sleeves 14; The limit pile 16 is arranged on the side, and the limit pile 16 is fixed on the end of the multiple fixed block 6 through the s...

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Abstract

The invention discloses a device and a method for controlling welding stress and deformation by combining heating with welding and chilling. The device comprises a supporting system as well as an automatic travelling device, a welding system, a heating system and a cooling system which are connected with the supporting system. A welding seam high-temperature region is cooled, and near weld zones at the two sides are heated, so that dynamic multi-stretching effect is generated; requirements on constraints of a clamp are avoided, and welding is carried out under a non-constraint condition, so that control on welding residual stress and deformation is realized to carry out welding under a non-support condition, and relatively great space volume is not occupied.

Description

technical field [0001] The invention belongs to the technical field of welding, and more specifically relates to a device for controlling welding stress and deformation along with welding heating and chilling. At the same time, the invention also relates to a method for controlling welding stress and deformation with welding heating and chilling. Background technique [0002] Aluminum alloys are widely used in aerospace, shipbuilding, civil engineering and rail transportation due to their excellent properties such as low density and high strength. However, aluminum alloy structures often have defects such as pores, undercuts, and cracks during the welding process, especially for thin-walled structures, where welding deformation is particularly obvious. Welding deformation not only brings considerable difficulty to the assembly of the structure, but also greatly reduces the bearing capacity of the structure, and also affects the overall appearance of the product. The weldin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02B23K37/00
CPCB23K31/003B23K31/02B23K37/00B23K37/003B23K2103/10
Inventor 赵艳谢浩李爽闫德俊白旭峰郝建松王赛杨建国
Owner JIAMUSI UNIVERSITY
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