Large double-layer thin-wall D-type section vacuum chamber window assembly welding positioning device

A vacuum chamber and window technology, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve problems such as difficult vibration problems, difficult window sealing surface and window position size tolerances, etc., to improve welding efficiency and ensure consistency sexual effect

Active Publication Date: 2016-01-13
西安核设备有限公司 +1
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Problems solved by technology

[0004] For this kind of large thin-walled fully welded structure container, it is difficult to solve the vibration problem in the clamping and finishing process on the machine tool, and it is difficult to guarantee the high-precision window sealing surface and window position dimensional tolerance by post-weld processing.

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  • Large double-layer thin-wall D-type section vacuum chamber window assembly welding positioning device
  • Large double-layer thin-wall D-type section vacuum chamber window assembly welding positioning device
  • Large double-layer thin-wall D-type section vacuum chamber window assembly welding positioning device

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Embodiment Construction

[0025] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0026] A large-scale double-layer thin-walled D-shaped section vacuum chamber window assembly welding positioning device, the structure of the large double-layer thin-walled D-shaped section vacuum chamber is a double-layer thin-walled fully welded ring structure with a D-shaped section, and the vacuum chamber consists of 20 Each sector is assembled and welded, and 5-7 of the following 7 windows are opened on each sector according to the vacuum chamber structure setting: the center line of the equipment is on the same line as the center line of the straight segment in the D-shaped section sector. On a straight line, the central axes of the two opposite windows are coaxial and parallel to the central line of the equipment, the central axis of the mid-plane window is perpendicular to the central line of the cent...

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Abstract

The invention belongs to the technical field of annular magnetic confinement nuclear fusion experimental research devices, and particularly relates to a tokamak device vacuum chamber window assembly welding positioning device. The tokamak device vacuum chamber window assembly welding positioning device comprises lateral plates, rib plates, connecting plates, a bottom plate and a positioning shaft, wherein the two lateral plates are welded together through the rectangular rib plates; the positions of the seven connecting plates correspond to window flanges on fan-shaped sections, the number of windows in the fan-shaped sections is smaller than seven, and the connecting plates corresponding to the positions without windows are empty; the connecting plates are provided with bolt holes, and during assembly welding, the connecting plates are connected with the corresponding 5-7 window flanges on the fan-shaped sections through bolts to position a window assembly. The bottom plate is arranged on the outer lateral plate and used for fixing the window assembly welding positioning device. The two connecting plates corresponding two opposite windows are each provided with a shaft hole, and a positioning shaft penetrates through the shaft holes to be matched with inner holes of the opposite window flanges to position the fan-shaped sections. Through the design, window welding deformation is effectively controlled, and the window assembly welding efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of an annular magnetic confinement nuclear fusion test and research device, and in particular relates to a welding positioning device for a vacuum chamber window of a tokamak device. Background technique [0002] 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 is a double-layer-thin-walled-fully welded-ring structure with a D-shaped cross-section. The entire vacuum chamber is assembled and welded by 20 sectors, and the angle between the center of each sector is 18°±0.02°. A single segment is mainly composed of i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/04
CPCB23K37/04
Inventor 门伟张建张惠敏周霞武小强张党申王丛杰
Owner 西安核设备有限公司
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