CN202846067U - Welding fixture suitable for broadband travelling wave pipe energy transferring window - Google Patents
Welding fixture suitable for broadband travelling wave pipe energy transferring window Download PDFInfo
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- CN202846067U CN202846067U CN 201220339096 CN201220339096U CN202846067U CN 202846067 U CN202846067 U CN 202846067U CN 201220339096 CN201220339096 CN 201220339096 CN 201220339096 U CN201220339096 U CN 201220339096U CN 202846067 U CN202846067 U CN 202846067U
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Abstract
The utility model discloses a welding fixture suitable for a broadband travelling wave pipe energy transporting window. The welding fixture comprises a base platform, a base, a pressing block and a pressing ring. Firstly, the base platform and the base are assembled into a whole. An inner conductor and an outer conductor of an energy transferring window to be welded are respectively placed on the upper surfaces of the base and the base platform. Secondly, parts and welding flux of the energy transferring window are sequentially placed. Then, the pressing ring is sleeved on the outer diameter of the base and pressed on the upper portion of the outer conductor, the pressing block is sleeved on the interior of the pressing ring and pressed on the upper portion of the inner conductor, and assemblies together with the fixture are placed in a welding furnace. According to the welding fixture, braze welding of the energy window can be mainly carried out, and concentric degree and gas tightness among the parts in a welding process are guaranteed. The assemblies of the energy transferring window which is welded by the welding fixture are good in vacuum gas tightness, qualified rate of gas tightness is more than 80 percent, high-frequency performance is good, a requirement that voltage standing-wave ratio is smaller than 2.5, even below 1.8, within the working frequency range from 8 GHz to 16 GHz is met.
Description
Technical field
The present invention relates to a kind of weld jig, be specifically related to a kind of weld jig that is applicable to inner wire, media ceramic and the outer conductor welding of broad-band TWT delivery of energy window.
Background technology
The development of modern military technology is maked rapid progress, and the system electronic equipment has also proposed more and more higher requirement to the broadband high-power ballistic device.Helix TWT is present unique microwave power device that can satisfy broadband ECM transmitter performance requirement, it has the characteristics such as high-power, high efficiency, high-gain, broadband and long-life, be widely used among each national defence key project, be described as " heart " of equipment.Because China's element task is relatively backward, and the restriction of all current conditions factors, still there are a certain distance in China's level of production and advanced international standard.Therefore, the development wide frequency band traveling wave tube is the advanced ECM transmitter key issue in the urgent need to address of development, also is improve the electronics overall performance basic.The wide frequency band traveling wave tube working band is mainly by the slow wave system decision, but wide band scope is determined by the transmission characteristic of delivery of energy window then whether the quality of delivery of energy window performance determines directly that what outside the pipe interaction energy of slow wave system generation output to.
Travelling-wave tubes delivery of energy window structurally plays a part vacuum in the holding tube; On electric property, make microwave signal as far as possible losslessly from manage outer transmission line be sent to slow wave line (or from slow wave line be sent to the pipe outside transmission line).In the concrete manufacturing process of delivery of energy window, should take into full account existing process conditions, under the condition that as far as possible satisfies electric property, take into account the requirement of electron-optical system and structural reliability.Realize managing interior slow wave line and the matched well of managing outer transmission line, exactly will be converted to the fast electromagnetic wave on the outer transmission line of pipe fully the slow electromagnetic wave on the slow wave line in the pipe.Travelling-wave tubes in the operating frequency relative broad range, increase along with bandwidth, the Design and manufacture of delivery of energy window is more difficult, the processing of part and welding slightly have deviation will cause the obvious reflection of signal, the vacuum welding performance is difficult for guaranteeing that the Frequency Response of delivery of energy window is difficult to satisfy the requirement of the wide working band of travelling-wave tubes.
Summary of the invention
Be to solve the deficiencies in the prior art, the object of the present invention is to provide a kind of weld jig that broad-band TWT delivery of energy window is welded can effectively realized.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
The weld jig of applicable broad-band TWT delivery of energy window, comprise: base stage, it is characterized in that, also comprise: thus be used for being socketed in base that above-mentioned base stage top is used for fixed broadband travelling-wave tubes delivery of energy window inner wire and outer conductor bottom, be arranged on above-mentioned base top be used for fixed broadband travelling-wave tubes delivery of energy outside window conductor pressure ring, be used for passing from the top briquetting at fixed broadband travelling-wave tubes delivery of energy window inner wire top, above-mentioned pressure ring center; Above-mentioned base stage is divided into: the chassis that is used for providing support with the level table contact, be formed at the top be used for the bottom contact of broad-band TWT delivery of energy window inner wire realize the vertical direction location locating dowel, be arranged on the joint pin that is used for being connected them between above-mentioned chassis and the locating dowel; Above-mentioned base is divided into the pedestal and the fixed lobe that is formed at above-mentioned pedestal top as main body, and above-mentioned base center is provided with the first endoporus that in the vertical direction connects; Above-mentioned pressure ring center is formed for holding and is overlapped on broad-band TWT delivery of energy the second endoporus of conductor outside window; Above-mentioned briquetting bottom is formed with the holddown groove for fixed broadband travelling-wave tubes delivery of energy window inner wire top.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window, it is characterized in that above-mentioned the first endoporus is divided into: be positioned at the top the canned paragraph that is used for contact fixed broadband travelling-wave tubes delivery of energy window inner wire, be positioned at the changeover portion that above-mentioned canned paragraph below size enlarges gradually, the main paragraph that is positioned at above-mentioned changeover portion below size homogeneous.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that, the hole wall of aforementioned body section is provided with the perforation that a plurality of axis horizontal are used for running through above-mentioned the first endoporus hole wall and base outer wall.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that, above-mentioned base stage is rotary structure, and the radius on above-mentioned chassis is maximum, locating dowel is taken second place, joint pin is minimum.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window, it is characterized in that, the second endoporus of above-mentioned pressure ring is divided into: be positioned at construction section that the top is used for holding above-mentioned briquetting, be arranged on above-mentioned accommodating section below and be used for holding the broad-band TWT delivery of energy accommodating section of conductor outside window, the size of above-mentioned construction section is less than above-mentioned accommodating section, and they are formed for overlapping the broad-band TWT delivery of energy step surface of conductor outside window between the two.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that, above-mentioned briquetting is divided into: be used for the epimere match with above-mentioned construction section internal diameter and size and can be contained in wherein hypomere less than above-mentioned construction section.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that, the hole wall of the second endoporus of above-mentioned pressure ring is provided with a plurality of notches at the gap slot of bottom.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window, it is characterized in that, the second endoporus of above-mentioned pressure ring is divided into: be positioned at construction section that the top is used for holding above-mentioned briquetting, be arranged on above-mentioned accommodating section below and be used for holding the broad-band TWT delivery of energy accommodating section of conductor outside window, the size of above-mentioned construction section is less than above-mentioned accommodating section, and they are formed for overlapping the broad-band TWT delivery of energy step surface of conductor outside window between the two; The top of above-mentioned gap slot is above above-mentioned step surface.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that the number of above-mentioned gap slot is 4, is separately positioned on four centrosymmetric directions take the pressure ring center as symmetrical centre.
The weld jig of aforesaid applicable broad-band TWT delivery of energy window is characterized in that, above-mentioned briquetting is rotary structure.
Usefulness of the present invention is: the cooperation by base, pressure ring, briquetting can be when treating fixing that soldering part consists of, guarantee the dimensional requirement of the cooperation between the part, guarantee concentricity, air-tightness between part in the welding process, the trickling that guarantees scolder is good, obtains superior in quality delivery of energy window.
Description of drawings
Fig. 1 is the structural representation of travelling-wave tubes delivery of energy window assembly to be welded;
Fig. 2 is the structural representation after the preferred embodiments of the present invention have been assembled travelling-wave tubes delivery of energy window assembly to be welded;
Fig. 3 is the structural representation of removing briquetting and pressure ring in embodiment illustrated in fig. 1;
Fig. 4 is middle base stage schematic diagram embodiment illustrated in fig. 1;
Fig. 5 is middle base schematic diagram embodiment illustrated in fig. 1;
Fig. 6 is middle pressure ring schematic diagram embodiment illustrated in fig. 1;
Fig. 7 is middle briquetting schematic diagram embodiment illustrated in fig. 1.
The implication of Reference numeral among the figure:
1, base stage, 2, base, 3, pressure ring, 4, briquetting, 101, the chassis, 102, locating dowel, 103, joint pin, 204, perforation, 201, pedestal, 202, fixed lobe, 203, the first endoporus, the 301, second endoporus, 302, gap slot, 303, step surface, 401, holddown groove;
A, canned paragraph, B, changeover portion, C, main paragraph, D, construction section, E, accommodating section, F, epimere, G, hypomere;
A, inner wire, b, outer conductor, c, media ceramic.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done concrete introduction.
With reference to shown in Figure 1, general travelling-wave tubes delivery of energy window assembly to be welded comprises: inner wire a, outer conductor b, media ceramic c.In order to consist of complete parts, they need to be welded according to shown in Figure 1.
With reference to shown in Fig. 2 to 7, weld jig of the present invention mainly comprises: base stage 1, base 2, pressure ring 3 and briquetting 4.Wherein, when welding, be briquetting 4, pressure ring 3, base 2, base stage 1 from top to bottom successively after the assembling.
The effect of base stage 1 is the bottom of base 2 and inner wire a is consisted of support, with reference to shown in Figure 4, base stage 1 is divided into: the chassis 101 that is used for providing support with the level table contact, be formed at the top be used for the bottom contact of broad-band TWT delivery of energy window inner wire a realize the vertical direction location locating dowel 102, be arranged on the joint pin 103 that is used for being connected them between chassis 101 and the locating dowel 102.Chassis 101 areas are used for more greatly pedestal for placed, the bottom that locating dowel 102 is withstood inner wire a on the one hand, cooperate with the first endoporus 203 of base on the one hand, guarantee the concentricity of base 2 and base stage 1, as preferably, base stage 1 is rotary structure, and the radius on chassis 101 is maximum, locating dowel is taken second place, joint pin is minimum.
The Main Function of base 2 is to support outer conductor b, fixing inner wire a and it is passed with base stage 1 contact simultaneously, with reference to shown in Figure 5, base 2 is divided into the pedestal 201 and the fixed lobe 202 that is formed at above-mentioned pedestal 201 tops as main body, and base 2 centers are provided with the first endoporus 203 that in the vertical direction connects, the outer rim of fixed lobe 202 can be blocked outer conductor b, and the top of pedestal 201 can consist of outer conductor b to be supported.
As a kind of preferred version, the first endoporus 202 is divided into: be positioned at the top the canned paragraph A that is used for contact fixed broadband travelling-wave tubes delivery of energy window inner wire a, be positioned at changeover portion B, the main paragraph C that is positioned at changeover portion below size homogeneous that canned paragraph A below size enlarges gradually.Canned paragraph A is inner wire a fixedly, main paragraph C is used for joint pin 103 and the locating dowel 102 of accommodating base platform 1, need to prove, for the stability that guarantees that base 2 and base stage 1 cooperate, the internal diameter size of the outside dimension of locating dowel 102 and the first endoporus main paragraph C should be close to consist of relative closely cooperation.In addition, for convenient welding, the hole wall of main paragraph C is provided with the perforation 204 that a plurality of axis horizontal are used for running through the first endoporus 203 hole walls and base outer wall; If get rid of the perforation structure impact, base 2 is rotary structures, and as further preferred, the setting of perforation 204 is that relative base center is symmetrical.The effect of perforation is that so that the inside and outside air pressure of anchor clamps is identical, scolder trickling property is good like this, thereby guarantees its welding airtightness and structural strength.
The effect of pressure ring 3 is fixedly simultaneously fixing briquetting 4 of outer conductor b, the center of pressure ring 3 is provided with the second endoporus 301, the second endoporus 301 is divided into: be positioned at construction section D that the top is used for holding briquetting, be arranged on construction section D below and be used for holding the broad-band TWT delivery of energy accommodating section E of conductor b outside window, the size of construction section D is less than accommodating section E, and they are formed for overlapping the step surface 303 of outer conductor b between the two.And, for convenient welding, the hole wall of the second endoporus 301 is provided with a plurality of notches at the gap slot 302 of bottom, the top of gap slot 302 is above step surface 303, the effect of gap slot 302 is equally so that the inside and outside air pressure of anchor clamps is identical, scolder trickling property is good like this, thereby guarantees its welding airtightness and structural strength.If get rid of the impact of gap slot 302, pressure ring 3 also is a rotary structure, and the pressure ring 3 at rotary structure has open slot in other words, as preferably, the number of gap slot is 4, is separately positioned on four centrosymmetric directions take pressure ring 3 centers as symmetrical centre.
Need to prove that the wall of the accommodating section E of pressure ring 3 should be able to just in time be socketed on the outside wall surface of pedestal 201 of base 2, with the concentricity that guarantees that inner wire a and outer conductor b cooperate.
Above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (10)
1. be suitable for the weld jig of broad-band TWT delivery of energy window, comprise: base stage, it is characterized in that, also comprise: thus be used for being socketed in base that above-mentioned base stage top is used for fixed broadband travelling-wave tubes delivery of energy window inner wire and outer conductor bottom, be arranged on above-mentioned base top be used for fixed broadband travelling-wave tubes delivery of energy outside window conductor pressure ring, be used for passing from the top briquetting at fixed broadband travelling-wave tubes delivery of energy window inner wire top, above-mentioned pressure ring center; Above-mentioned base stage is divided into: the chassis that is used for providing support with the level table contact, be formed at the top be used for the bottom contact of broad-band TWT delivery of energy window inner wire realize the vertical direction location locating dowel, be arranged on the joint pin that is used for being connected them between above-mentioned chassis and the locating dowel; Above-mentioned base is divided into the pedestal and the fixed lobe that is formed at above-mentioned pedestal top as main body, and above-mentioned base center is provided with the first endoporus that in the vertical direction connects; Above-mentioned pressure ring center is formed for holding and is overlapped on broad-band TWT delivery of energy the second endoporus of conductor outside window; Above-mentioned briquetting bottom is formed with the holddown groove for fixed broadband travelling-wave tubes delivery of energy window inner wire top.
2. the weld jig of applicable broad-band TWT delivery of energy window according to claim 1, it is characterized in that above-mentioned the first endoporus is divided into: be positioned at the top the canned paragraph that is used for contact fixed broadband travelling-wave tubes delivery of energy window inner wire, be positioned at the changeover portion that above-mentioned canned paragraph below size enlarges gradually, the main paragraph that is positioned at above-mentioned changeover portion below size homogeneous.
3. the weld jig of applicable broad-band TWT delivery of energy window according to claim 2 is characterized in that, the hole wall of aforementioned body section is provided with the perforation that a plurality of axis horizontal are used for running through above-mentioned the first endoporus hole wall and base outer wall.
4. the weld jig of applicable broad-band TWT delivery of energy window according to claim 1 is characterized in that, above-mentioned base stage is rotary structure, and the radius on above-mentioned chassis is maximum, locating dowel is taken second place, joint pin is minimum.
5. the weld jig of applicable broad-band TWT delivery of energy window according to claim 1, it is characterized in that, the second endoporus of above-mentioned pressure ring is divided into: be positioned at construction section that the top is used for holding above-mentioned briquetting, be arranged on above-mentioned accommodating section below and be used for holding the broad-band TWT delivery of energy accommodating section of conductor outside window, the size of above-mentioned construction section is less than above-mentioned accommodating section, and they are formed for overlapping the broad-band TWT delivery of energy step surface of conductor outside window between the two.
6. the weld jig of applicable broad-band TWT delivery of energy window according to claim 5 is characterized in that, above-mentioned briquetting is divided into: be used for the epimere match with above-mentioned construction section internal diameter and size and can be contained in wherein hypomere less than above-mentioned construction section.
7. the weld jig of applicable broad-band TWT delivery of energy window according to claim 1 is characterized in that, the hole wall of the second endoporus of above-mentioned pressure ring is provided with a plurality of notches at the gap slot of bottom.
8. the weld jig of applicable broad-band TWT delivery of energy window according to claim 7, it is characterized in that, the second endoporus of above-mentioned pressure ring is divided into: be positioned at construction section that the top is used for holding above-mentioned briquetting, be arranged on above-mentioned accommodating section below and be used for holding the broad-band TWT delivery of energy accommodating section of conductor outside window, the size of above-mentioned construction section is less than above-mentioned accommodating section, and they are formed for overlapping the broad-band TWT delivery of energy step surface of conductor outside window between the two; The top of above-mentioned gap slot is above above-mentioned step surface.
9. the weld jig of applicable broad-band TWT delivery of energy window according to claim 7 is characterized in that, the number of above-mentioned gap slot is 4, is separately positioned on four centrosymmetric directions take the pressure ring center as symmetrical centre.
10. according to claim 1 to the weld jig of the described applicable broad-band TWT delivery of energy window of 8 any one, it is characterized in that above-mentioned briquetting is rotary structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339096 CN202846067U (en) | 2012-07-13 | 2012-07-13 | Welding fixture suitable for broadband travelling wave pipe energy transferring window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220339096 CN202846067U (en) | 2012-07-13 | 2012-07-13 | Welding fixture suitable for broadband travelling wave pipe energy transferring window |
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| Publication Number | Publication Date |
|---|---|
| CN202846067U true CN202846067U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220339096 Expired - Fee Related CN202846067U (en) | 2012-07-13 | 2012-07-13 | Welding fixture suitable for broadband travelling wave pipe energy transferring window |
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| CN (1) | CN202846067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265810A (en) * | 2019-06-26 | 2019-09-20 | 宁波为森智能传感技术有限公司 | Vehicle-mounted pick-up module connector and its assemble method comprising location structure |
| CN114147357A (en) * | 2021-12-20 | 2022-03-08 | 中国科学院空天信息创新研究院 | Output window for traveling wave tube and preparation method thereof |
-
2012
- 2012-07-13 CN CN 201220339096 patent/CN202846067U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265810A (en) * | 2019-06-26 | 2019-09-20 | 宁波为森智能传感技术有限公司 | Vehicle-mounted pick-up module connector and its assemble method comprising location structure |
| CN114147357A (en) * | 2021-12-20 | 2022-03-08 | 中国科学院空天信息创新研究院 | Output window for traveling wave tube and preparation method thereof |
| CN114147357B (en) * | 2021-12-20 | 2023-12-01 | 中国科学院空天信息创新研究院 | Output window for traveling wave tube and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20180713 |