Concentricity adjusting mechanism, rod pinch diode, adjusting method and application

A technology for adjusting mechanism and concentricity, applied in discharge tubes, X-ray tubes, components of X-ray tubes, etc., can solve the problems affecting the size of the focal spot, dose and stability, the deviation between the position of the focal spot and the design value, and the impact on physical Consistency of photographic experiment results, etc.

Pending Publication Date: 2021-07-30
INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coaxial magnetic insulated transmission line or vacuum transmission line fed into the RPD pre-stage mostly adopts a single-point cantilever support structure, and the length is about 10m, which leads to a deviation between the actual focal spot position and the des...

Method used

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  • Concentricity adjusting mechanism, rod pinch diode, adjusting method and application
  • Concentricity adjusting mechanism, rod pinch diode, adjusting method and application
  • Concentricity adjusting mechanism, rod pinch diode, adjusting method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as Figure 1-Figure 3 As shown, the concentricity adjustment mechanism includes an anode adjustment structure, a cathode adjustment structure and an adjustment screw;

[0040] The anode adjustment structure includes a first anode adjustment seat 1, an adjustment bellows 2, an adjustment ball 3 and a second anode adjustment seat 5;

[0041] The adjustment bellows 2 is arranged between the first anode adjustment seat 1 and the second anode adjustment seat 5, the adjustment ball 3 is placed in the adjustment bellows 2, and the second anode adjustment seat 5 is used to communicate with the first anode adjustment seat 5. adjuster connection;

[0042] The cathode adjustment structure includes a first cathode disc fixing seat 9 and a second cathode disc fixing seat 10;

[0043] The first cathode disc fixing seat 9 and the second cathode disc fixing seat 10 are used to fix the second adjusting member. When fixing, the second adjusting member is placed on the first cathod...

Embodiment 2

[0046] Such as Figure 1-Figure 3As shown, this embodiment is based on Embodiment 1, the inner sides of the first cathode disk fixing seat 9 and the second cathode disk fixing seat 10 are all stepped structures, and the first cathode disk fixing seat 9 and the second cathode disk fixing seat 9 are fixed A gap for clamping the second adjustment member is formed between the seats 10, and the first cathode disk fixing seat 9 and the second cathode disk fixing seat 10 are fastened by a plurality of bolts, and the plurality of bolts are arranged in the same circumferential direction , the first cathode disk holder 9 and the second cathode disk holder 10 preferably adopt a disc structure, and the adjusting screw is connected with the first cathode disk holder 9; the first cathode disk holder 9 is connected with the adjustment screw One end of the connection extends vertically outward to form a stopper; the first anode adjustment seat 1 and the second anode adjustment seat 5 are conn...

Embodiment 3

[0050] Such as Figure 1-Figure 3 As shown, the rod pinch diode includes the concentricity adjustment mechanism described in Embodiment 1 or Embodiment 2. In the concentricity adjustment mechanism, the first cathode disc fixing seat 9 and the second cathode disc fixing seat 10 pass through A plurality of bolts are fastened, and a plurality of bolts are arranged in the same circumferential direction. The first cathode disk holder 9 and the second cathode disk holder 10 preferably adopt a disc structure, and also include a cathode disk 11, an anode rod 12, a support rod , cathode outer cylinder 7, cathode pressure ring 8 and conductive ring 4;

[0051] The anode rod 12 is detachably connected to the second anode adjustment seat 5 through a support rod, the first anode adjustment seat 1 is connected to the inner cylinder of the feeding transmission line, and the conductive ring 4 is installed on the second anode adjustment seat 5;

[0052] The edge of the cathode disk 11 is clam...

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PUM

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Abstract

The invention discloses a concentricity adjusting mechanism, a rod pinch diode, an adjusting method and application. The concentricity adjusting mechanism comprises an anode adjusting structure, a cathode adjusting structure and an adjusting screw. The anode adjusting structure comprises a first anode adjusting seat, an adjusting corrugated pipe, an adjusting ball and a second anode adjusting seat. The adjusting corrugated pipe is arranged between the first anode adjusting seat and the second anode adjusting seat, the adjusting ball is arranged in the adjusting corrugated pipe, and the second anode adjusting seat is used for being connected with the first adjusting piece; the cathode adjusting structure comprises a first cathode disc fixing seat and a second cathode disc fixing seat; the first cathode disc fixing base and the second cathode disc fixing base are used for fixing the second adjusting piece, displacement of the second adjusting piece is achieved through the adjusting screw rod, and concentricity of the first adjusting piece is achieved. The concentricity adjusting mechanism is used for the rod pinch diode, the relative position of an X-ray focal spot can be determined, the RPD cathode and anode concentricity assembling precision can be improved, and the RPD stability is greatly improved.

Description

technical field [0001] The invention relates to the field of nuclear science and mechanical technology, in particular to a concentricity adjustment mechanism, a rod pinch diode, an adjustment method, and an application. Background technique [0002] Flash photography technology is one of the important detection methods for studying the internal structure evolution of high-speed (several kilometers per second) moving objects such as weapons action process. Its important development direction is small focal spot, large dose, high stability and reliability. Among them, RPD is an ideal technical route to achieve small focal spot and medium dose, and has a high quality factor. However, the coaxial magnetic insulated transmission line or vacuum transmission line fed into the RPD pre-stage usually adopts a single-point cantilever support structure, and the length is about 10m, which leads to a deviation between the actual focal spot position and the design value, which affects the ...

Claims

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Application Information

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IPC IPC(8): H01J35/14
CPCH01J35/153
Inventor 耿力东谢卫平袁建强何泱马勋卫兵郭帆王治韩文辉曹龙博夏明鹤
Owner INST OF FLUID PHYSICS CHINA ACAD OF ENG PHYSICS
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