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Travelling wave tube shell welding fixing device and welding method

A technology for fixing devices and welding methods, applied in auxiliary devices, welding equipment, welding equipment, etc., can solve problems such as poor welding reliability, and achieve the effects of improving fluidity, flexible fixing, and satisfying reliable welding

Pending Publication Date: 2021-11-23
NANJING SANLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Embodiments of the present invention provide a traveling wave tube shell welding fixture and a welding method to at least solve the problem of poor welding reliability in the related art

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  • Travelling wave tube shell welding fixing device and welding method

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Embodiment Construction

[0023] Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

[0025] see figure 1 , the embodiment of the present invention provides a traveling wave tube shell welding and fixing device including a transition sleeve 1, a welding mandrel 2, a first welding ring 3 and a second welding ring 4, the welding mandrel 2 is used to pass through The shell of the traveling wave tube, the first welding ring 3 is fixed on one end of the welding mandrel 2 for resisting one end of the shell of the traveling wave tube, and the t...

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Abstract

The invention provides a traveling wave tube shell welding fixing device and a welding method. The traveling wave tube shell welding fixing device comprises a transition sleeve, a welding core rod, a first welding ring and a second welding ring, and the welding core rod is used for penetrating through a traveling wave tube shell; and the first welding ring is fixed to one end of the welding core rod and used for abutting against one end of the traveling wave tube shell, the transition sleeve is arranged at the other end of the welding core rod, and the second welding ring is arranged on the transition sleeve and used for clamping and fixing the traveling wave tube shell with the first welding ring. A traveling wave tube shell manufactured by adopting the traveling wave tube shell welding fixing device is high in reliability.

Description

technical field [0001] The invention relates to the field of metal processing, in particular to a traveling wave tube casing welding fixture and a welding method. Background technique [0002] As a microwave power amplification device, traveling wave tubes are widely used in electronic countermeasures, communications and other fields. With the development of traveling wave tubes towards miniaturization and high frequency, higher requirements are put forward for the welding efficiency, welding quality and reliability of its composite shell. At present, most of the composite shells in the high-frequency combination of traveling wave tubes are connected by core rods, assembled by upper and lower dies, and welded by hydrogen-burning brazing. However, as the inner diameter of the composite shell of the traveling wave tube with large length-to-diameter ratio becomes smaller and smaller (≤1mm), considering the feasibility of assembly and welding, the verticality of the composite s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K26/21B23K26/70B23K37/04
CPCB23K26/21B23K26/702B23K37/0435
Inventor 宗剑波任重吴亚琴梁田王雨朱校辰沈建
Owner NANJING SANLE GROUP
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