Tailor-welding device for double-layer thin-walled d-shaped section vacuum chamber segment end rib plate
A technology of vacuum chamber and sector, which is applied in the field of magnetically confined controlled thermonuclear fusion vacuum equipment manufacturing. It can solve the problems of difficult control of welding deformation, high dimensional accuracy of end rib plates, and poor rigidity, so as to control welding deformation and ensure Dimensional and shape accuracy requirements, the effect of ensuring consistency
Active Publication Date: 2018-11-02
西安核设备有限公司 +1
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Problems solved by technology
[0004] However, the end gluten plate is directly tailor-welded into a finished product after blanking the plate, and the seam is a full-penetration weld with a gap, and only weld grinding is performed after welding
The dimensional accuracy of the end rib plate is high, and its flatness is required to reach 1mm. Compared with the external dimension, its thickness is very thin, the rigidity is poor during tailor welding, and the welding deformation is difficult to control
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[0033] The technical solutions of the present invention will be further described in detail below through specific examples.
[0034] The invention relates to a double-layer thin-walled D-shaped cross-section vacuum chamber segment end face rib plate tailor welding device, and the double-layer thin-walled D-shaped cross-sectional vacuum chamber segment is used to manufacture the vacuum chamber of the main part in the magnetic confinement thermonuclear fusion device ,Such as figure 1 As shown, the vacuum chamber is composed of 20 segments of the vacuum chamber with a D-shaped cross-section, and 20 segments form a complete ring, and each segment of the vacuum chamber with a D-shaped cross-section is a space double-layer hyperboloid thin-walled structure;
[0035] A single segment is composed of a shell, an end rib plate, a flow channel and a window; wherein, the shell is a rotating curved surface with an equidistant D-shaped section, and the flow channel is arranged in the cavi...
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The invention belongs to the field of manufacturing of magnetic confinement controlled heat nuclear fusion vacuum equipment, and particularly relates to a dual-layer thin-wall D-section vacuum chamber sector section end face rib plate welding device. The welding device comprises a mounting platform, a D-shaped ring plate, a pressing plate, a supporting plate and bolts. Firstly, the mounting platform is used for mounting of the sector section during welding and fixing of the sector section; secondly, the D-shaped ring plate is additionally arranged on the mounting platform, the D-shaped ring plate is in a D shape consistent with the shape of the end face rib plate, and during welding, the end face rib plate is arranged at the outer side of the set position of the D-shaped ring plate in a segmented manner; thirdly, the pressing plate and the supporting plate are arranged on the two ends of a welding line at the welding position, and are used for compressing the end face rib plate during welding so as to prevent welding deformation, a pressing plate through hole, a D-shaped ring plate through hole and a mounting platform bolt hole are sequentially formed in the pressing plate, the D-shaped ring plate and the mounting platform, and the bolts penetrate the above three holes to enable the pressing plate to be pressed on the mounting platform. The requirement of the end face rib plate can be ensured, welding deformation can be controlled, and welding work efficiency is improved.
Description
technical field [0001] The invention belongs to the field of magnetic confinement controlled thermonuclear fusion vacuum equipment manufacturing, and in particular relates to a tailor-welded device for end face rib plates of a sector section of a double-layer thin-walled D-shaped cross-section vacuum chamber. Background technique [0002] In order to develop new energy sources in the future, various developed countries are actively carrying out research on magnetic confinement nuclear fusion with the tokamak as the main approach. Tokamak is a research device for annular magnetic confinement nuclear fusion experiments. Its main body is mainly composed of a vacuum chamber, supports and several sets of magnetic field coils. Circulator No. 2A (HL-2A) renovation and upgrading project The vacuum chamber of HL-2M device is one of the most important components of HL-2M device, and it is the place where the plasma container is directly operated. The structure of the vacuum chamber i...
Claims
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IPC IPC(8): B23K37/04
CPCB23K37/04B23K37/0461
Inventor 张立超刘晨张会敏周霞门伟
Owner 西安核设备有限公司