CN102672393A - Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof - Google Patents
Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof Download PDFInfo
- Publication number
- CN102672393A CN102672393A CN2012101513053A CN201210151305A CN102672393A CN 102672393 A CN102672393 A CN 102672393A CN 2012101513053 A CN2012101513053 A CN 2012101513053A CN 201210151305 A CN201210151305 A CN 201210151305A CN 102672393 A CN102672393 A CN 102672393A
- Authority
- CN
- China
- Prior art keywords
- assembly
- control
- base
- negative electrode
- diameter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses an assembly fixture for a cathode control assembly of a traveling wave tube and an assembly method thereof, 1) a cathode (3) is placed in a groove (5) of a base (2), and the upper end of the cathode (3) is compressed by a pair of tweezers; 2) placing the control electrode (4) on a second step (22) of the base (2), and screwing the pressing block (1) to fix the control electrode (4) on the base (2); 3) and welding the cathode (3) and the control electrode (4) by adopting spot welding, namely finishing the assembly of the control assembly. The assembly fixture for the cathode control assembly of the traveling wave tube is used in an X-wave band 100W traveling wave tube, the height precision can be guaranteed within 0.008mm, and the concentricity can be guaranteed within 0.01 mm; the assembling clamp can be applied to assembling of the internal cathode control assembly of the anode control electron gun in the traveling wave tube, and the assembling concentricity precision can be controlled within 0.02 mm.
Description
Technical field
The present invention relates to the electron gun parts inner cathode of travelling-wave tubes, the manufacturing field of control utmost point assembly, especially relate to a kind of assembling jig and assembly method thereof that is used for cloudy control assembly.
Background technology
Travelling-wave tubes is widely used in national defence and national economy fields such as radar, communication, electronic countermeasure as a kind of microwave power amplifier.Electron gun is as producing the assembly that electronics is annotated, and for the slow wave system of travelling-wave tubes provides the electronics of certain electric current, shape and range to annotate, can satisfy the demand of radio-frequency field, is " heart " of travelling-wave tubes.Electron gun generally comprise the emission electronics cathode assembly, quicken the anode assemblies of electronics and keep the control utmost point assembly that electronics is annotated definite shape.The electron beam that electron gun produces is to have very little area and carry very high energy, and the shape and the status requirement of target, anode and the control utmost point are high.The shape of electrode is determined by processing parts, can reach very high precision.The mutual position of electrode is determined by assembly method, guarantees mutual concentricity and height.In the cathode assembly is hot operation, and the precision of mounted inside at high temperature also can change, and causes electron beam to change.
Fixed form adopts spot welding between the existing negative electrode and the control utmost point; Take mode of grooving to be fixed on the control utmost point side one of them heat shielding of negative electrode; Wherein the groove number of heat shielding is an even number; Spot welding is negative electrode and control utmost point fixed-site, accomplish welding after, this two interelectrode concentricity and highly all will keep high accuracy.When spot welding,, generally all be controlled at 0.01mm, yet conventional operation is difficult to guarantee assembly precision with interior because position degree precision prescribed is high.Therefore, be badly in need of a kind of anchor clamps and fix the negative electrode and the control utmost point earlier, to guarantee mutual position degree.
Summary of the invention
Technical problem to be solved by this invention is to the problem that exists in the prior art a kind of assembling jig and assembly method thereof that is used for the cloudy control of travelling-wave tubes assembly to be provided; Its objective is when guaranteeing the cloudy control of assembling assembly; Negative electrode extremely all can be fixed with control; With concentricity with highly be controlled in certain accuracy rating, thereby guarantee the precision of the concentricity of cloudy control assembly in assembling process and height.
Technical scheme of the present invention is that the assembling jig that this kind is used for the cloudy control of travelling-wave tubes assembly comprises briquetting and base, and described briquetting is a nut type, and inner chamber is the T font; The top inner surface is a planar structure; It is big that the top outer surface becomes from inside to outside successively, is cone structure, and the internal diameter of briquetting is provided with screw thread; Described base is stepped, and totally five layers, each layer is cylindric; The top layer step is a ground floor; Diameter is minimum, and diameter increases gradually downwards successively, and the top layer step is provided with the groove that is used to assemble negative electrode; The external diameter of the second layer step of step bottom, top is measure-alike with the endoporus of control utmost point entrance, and second layer step is identical with the distance between the negative electrode and the control utmost point apart from the distance of groove floor with the intersection of the 3rd layer of step; The outer surface of the 4th layer of step of described base be provided with briquetting on the helicitic texture of threads engaged.
The diameter of described groove is identical with the diameter of negative electrode to be assembled.
Concentricity between the external diameter of the external diameter of described groove and second layer step is in 0.01mm.
The method of utilizing the above-mentioned assembling jig that is used for the cloudy control of travelling-wave tubes assembly to assemble comprises:
1) negative electrode is placed in the groove of base, the upper end of negative electrode compresses with tweezers;
2) will control on the second layer step that the utmost point is placed on base, and the briquetting of screwing will be controlled the utmost point and be fixed on the base;
3) adopt the spot welding target and the control utmost point to weld, promptly accomplish the assembling of Control Component.
This kind with said structure is used for cloudy assembling jig and the assembly method thereof of controlling assembly of travelling-wave tubes and has the following advantages:
1. this kind height of being used for assembling jig negative electrode and the control utmost point of the cloudy control of travelling-wave tubes assembly determines that apart from the distance of groove floor this size is revised by machining, and certain precision is arranged by the intersection of second layer step and the 3rd layer of step; The concentricity of the negative electrode and the control utmost point is by the concentricity decision between the external diameter of the external diameter of groove and second layer step, thereby relies on the concentricity and the height of anchor clamps itself, the moon control assembly inner control utmost point that guarantees to assemble and the concentricity between negative electrode and highly.
2. this kind is used for the cloudy assembling jig of controlling assembly of travelling-wave tubes at X-band 100W travelling-wave tubes, and height-precision can guarantee that in 0.008mm, concentricity can guarantee in 0.01mm; This assembling jig can be applied to the assembling of the inner cloudy control assembly of travelling-wave tubes middle-jiao yang, function of the spleen and stomach control electron gun, and assembling concentricity precision can be controlled in the 0.02mm.
Description of drawings
Below in conjunction with accompanying drawing the present invention is described further:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of base among the present invention.
Fig. 3 is the local structure for amplifying sketch map of base.
Fig. 4 is the structural representation of cloudy control assembly.
Fig. 5 is the assembling sketch map of assembling jig of the present invention with cloudy control assembly.
In Fig. 1-5,1: briquetting; 2: base; 21: the top layer step; 22: second layer step; 23: the three layers of steps; 24: the four layers of steps; 3: negative electrode; 4: the control utmost point; 5: groove.
The specific embodiment
Combined and can be known by structure shown in Fig. 1-3, the assembling jig that this kind is used for the cloudy control of travelling-wave tubes assembly comprises briquetting 1 and base 2, and briquetting 1 is a nut type; Inner chamber is the T font, and the top inner surface is a planar structure, and it is big that the top outer surface becomes from inside to outside successively; Be cone structure, the internal diameter of briquetting 1 is provided with screw thread; Base 2 is stepped, and totally five layers, each layer is cylindric; Top layer step 21 is a ground floor; Diameter is minimum, and diameter increases gradually downwards successively, and top layer step 21 is provided with the groove 5 that is used to assemble negative electrode 3; The external diameter of the second layer step 22 of top step 21 bottoms is measure-alike with the endoporus of the control utmost point 4 entrances, and second layer step 22 is identical with the distance between the negative electrode 3 and the control utmost point 4 apart from the distance of groove 5 bottom surfaces with the intersection of the 3rd layer of step 23; The outer surface of the 4th layer of step 24 of base 2 be provided with briquetting 1 on the helicitic texture of threads engaged.
The diameter of groove 5 is identical with the diameter of negative electrode to be assembled 3; And the concentricity between the external diameter of the external diameter of groove 5 and second layer step 22 is in 0.01mm.
The method of utilizing the above-mentioned assembling jig that is used for the cloudy control of travelling-wave tubes assembly to assemble comprises:
1) negative electrode 3 is placed in the groove 5 of base 3, the upper end of negative electrode 3 compresses with tweezers;
2) will control on the second layer step 22 that the utmost point 4 is placed on base 2, and the briquetting 1 of screwing will be controlled the utmost point 4 and be fixed on the base 2;
3) adopt the spot welding target 3 and the control utmost point 4 to weld, promptly accomplish the assembling of Control Component.
Combined and can be known by structure shown in Fig. 1-5, travelling-wave tubes is made up of base 2 and briquetting 1 with cloudy control assembled anchor clamps.Base 2 has a plurality of steps, and wherein a stepped outer surface has screw-rod structure, and a groove 5 is arranged in the step of top, and the external diameter of groove 5 is identical with the diameter of the negative electrode 3 that needs assembling, and groove 5 is used for fixing negative electrode 3.The external diameter of top step 21 is slightly less than the interior hole dimension of the control utmost point 4 tail ends; The control utmost point 4 can be put into; The external diameter of second layer step 22 is identical with the control utmost point 4 entrance endoporus; Can be used for the mount control utmost point 4, the concentricity precision of the external diameter of second layer step 22 and groove 5 external diameters is very high, is guaranteed by machining.Second layer step 22 is identical with the distance between the negative electrode 3 and the control utmost point 4 apart from the distance of groove 5 bottom surfaces with the intersection of the 3rd layer of step 23, guarantees precision by machining.Briquetting 1 is a nut type, and the top inner surface is a planar structure, can compress the control utmost point 4 during use, will control the utmost point 4 and be fixed on the base 2.Wherein the screw rod of nut size and base 2 coupling is tightened on during use on the base 2.When the cloudy control of assembling assembly, negative electrode 3 is placed in the base groove 5, negative electrode 3 upper ends take tweezers to compress, and the control utmost point 4 is placed on the second layer step 22 of base 2, and briquetting 1 is tightened the control utmost point 4 on base 2.Adopt spot welding that the control utmost point 4 is welded with negative electrode 3 then, accomplish the assembling of cloudy control assembly.Main concentricity and the height that relies on anchor clamps itself guarantees the moon control assembly inner control utmost point and concentricity between negative electrode and the height that assemble.
The practical implementation step is following:
The processing base, as shown in Figure 2, to form by 5 layers of step, step is cylindric, and wherein the 4th layer of step 24 outer surface in bottom surface are screw-rod structure.Base 2 top steps 21 have a groove 5, and are as shown in Figure 3, and the external diameter of groove 5 is identical with the diameter of the negative electrode 3 that needs assembling, and the external diameter of top step 21 is slightly less than the interior hole dimension of the control utmost point 4 tail ends, and groove 5 outer end wall thickness are about 0.05mm like this.The external diameter of second layer step 22 is identical with the control utmost point 4 entrance endoporus, and the external diameter of second layer step 22 and groove 5 internal diameter concentricity required precisions are high.Second layer step 22 is identical with the distance between the negative electrode 3 and the control utmost point 4 apart from the distance of groove 5 bottom surfaces with the intersection of the 3rd layer of step 23, and required precision is high.
The processing briquetting, shown among Fig. 11, nut type, internal diameter has escape to handle to top end, and the top inner surface is a planar structure, and it is big that the top outer surface becomes from inside to outside successively, is cone structure.Wherein the screw rod of nut size and base 2 matees.
Adopt the cloudy control of anchor clamps assembling assembly, cloudy control component drawings is as shown in Figure 4, and the heat shielding of negative electrode 3 and the sidewall of focusing electrode weld, and the focusing electrode endoporus has two sizes, between negative electrode 3 external diameters and focusing electrode endoporus one gap is arranged.
When the cloudy control of assembling assembly, as shown in Figure 5, negative electrode 3 is placed in the base groove 5, negative electrode 3 upper ends take tweezers to compress, and the control utmost point 4 is placed on base 2 second layer steps 22, and briquetting 1 is tightened the control utmost point 4 on base 2.Adopt spot welding that the control utmost point 4 is welded with negative electrode 3 then, accomplish the assembling of cloudy control assembly.
This kind is used for the assembling jig of the cloudy control of travelling-wave tubes assembly at X-band 100W travelling-wave tubes, and height-precision can guarantee that in 0.008mm, concentricity can guarantee in 0.01mm; This assembling jig can be applied to the assembling of the inner cloudy control assembly of travelling-wave tubes middle-jiao yang, function of the spleen and stomach control electron gun, and assembling concentricity precision can be controlled in the 0.02mm.
Claims (6)
1. one kind is used for the cloudy assembling jig of controlling assembly of travelling-wave tubes; It is characterized in that: described assembling jig comprises briquetting (1) and base (2), and described briquetting (1) is a nut type, and inner chamber is the T font; The top inner surface is a planar structure; It is big that the top outer surface becomes from inside to outside successively, is cone structure, and the internal diameter of briquetting (1) is provided with screw thread; Described base (2) is stepped; Totally five layers; Each layer is cylindric, and top layer step (21) is a ground floor, and diameter is minimum; Diameter increases gradually downwards successively; And top layer step (21) is provided with the groove (5) that is used to assemble negative electrode (3), and the external diameter of the second layer step (22) of top step (21) bottom is measure-alike with the endoporus of the control utmost point (4) entrance, and second layer step (22) is identical with the distance between the negative electrode (3) and the control utmost point (4) apart from the distance of groove (5) bottom surface with the intersection of the 3rd layer of step (23); The outer surface of the 4th layer of step (24) of described base (2) be provided with briquetting (1) on the helicitic texture of threads engaged.
2. a kind of assembling jig that is used for the cloudy control of travelling-wave tubes assembly according to claim 1 is characterized in that: the diameter of described groove (5) is identical with the diameter of negative electrode (3) to be assembled.
3. a kind of assembling jig that is used for the cloudy control of travelling-wave tubes assembly according to claim 1 and 2, it is characterized in that: the concentricity between the external diameter of the external diameter of described groove (5) and second layer step (22) is in 0.01mm.
4. the method for utilizing the described assembling jig that is used for the cloudy control of travelling-wave tubes assembly of each claim of claim 1-3 to assemble is characterized in that: described assembly method comprises,
1) negative electrode (3) is placed in the groove (5) of base (2), the upper end of negative electrode (3) compresses with tweezers;
2) will control on the second layer step (22) that the utmost point (4) is placed on base (2), and the briquetting of screwing (1) will be controlled the utmost point (4) and be fixed on the base (2);
3) adopt the spot welding target (3) and the control utmost point (4) to weld, promptly accomplish the assembling of Control Component.
5. assembly method according to claim 4 is characterized in that: the diameter of described groove (5) is identical with the diameter of negative electrode (3) to be assembled.
6. according to claim 4 or 5 described assembly methods, it is characterized in that: the concentricity between the external diameter of the external diameter of described groove (5) and second layer step (22) is in 0.01mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151305.3A CN102672393B (en) | 2012-05-16 | 2012-05-16 | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210151305.3A CN102672393B (en) | 2012-05-16 | 2012-05-16 | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672393A true CN102672393A (en) | 2012-09-19 |
| CN102672393B CN102672393B (en) | 2014-08-27 |
Family
ID=46805301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210151305.3A Active CN102672393B (en) | 2012-05-16 | 2012-05-16 | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672393B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788465A (en) * | 2018-07-10 | 2018-11-13 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe electrode welding device and its welding method |
| CN109637920A (en) * | 2018-12-20 | 2019-04-16 | 安徽华东光电技术研究所有限公司 | A kind of ion averager electron source and its design and preparation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020009466A (en) * | 2000-07-24 | 2002-02-01 | 이데이 노부유끼 | Electron gun, method of manufacturing the same and cathode ray tube |
| EP1220277A2 (en) * | 2000-12-22 | 2002-07-03 | Sony Corporation | Adjusting method for cathode position of an electron gun and an electron gun for a ray tube |
| CN201618940U (en) * | 2009-12-09 | 2010-11-03 | 安徽华东光电技术研究所 | Laser welding fixture of electron gun component |
| CN201824085U (en) * | 2010-09-19 | 2011-05-11 | 奇瑞汽车股份有限公司 | Diameter-adjustable positioning pin |
| CN202894636U (en) * | 2012-05-16 | 2013-04-24 | 安徽华东光电技术研究所 | Assembling fixture for traveling-wave tube negative-electrode control assembly |
-
2012
- 2012-05-16 CN CN201210151305.3A patent/CN102672393B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020009466A (en) * | 2000-07-24 | 2002-02-01 | 이데이 노부유끼 | Electron gun, method of manufacturing the same and cathode ray tube |
| EP1220277A2 (en) * | 2000-12-22 | 2002-07-03 | Sony Corporation | Adjusting method for cathode position of an electron gun and an electron gun for a ray tube |
| CN201618940U (en) * | 2009-12-09 | 2010-11-03 | 安徽华东光电技术研究所 | Laser welding fixture of electron gun component |
| CN201824085U (en) * | 2010-09-19 | 2011-05-11 | 奇瑞汽车股份有限公司 | Diameter-adjustable positioning pin |
| CN202894636U (en) * | 2012-05-16 | 2013-04-24 | 安徽华东光电技术研究所 | Assembling fixture for traveling-wave tube negative-electrode control assembly |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108788465A (en) * | 2018-07-10 | 2018-11-13 | 安徽华夏显示技术股份有限公司 | A kind of purple light pipe electrode welding device and its welding method |
| CN108788465B (en) * | 2018-07-10 | 2020-05-05 | 安徽华夏显示技术股份有限公司 | Ultraviolet tube electrode welding device and welding method thereof |
| CN109637920A (en) * | 2018-12-20 | 2019-04-16 | 安徽华东光电技术研究所有限公司 | A kind of ion averager electron source and its design and preparation method |
| CN109637920B (en) * | 2018-12-20 | 2020-11-06 | 安徽华东光电技术研究所有限公司 | Preparation method of ion neutralizer electron source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102672393B (en) | 2014-08-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112098734B (en) | High-precision electromagnetic combination measuring method and negative hydrogen cyclotron based on same | |
| CN202894636U (en) | Assembling fixture for traveling-wave tube negative-electrode control assembly | |
| CN109729633B (en) | Linear type magnetic confinement plasma device | |
| CN112562995B (en) | High-power pulse transformer with corrugated winding structure | |
| CN102672393B (en) | Assembly fixture for traveling wave tube cathode control assembly and assembly method thereof | |
| CN101778527B (en) | Independent tuning microwave electron gun with external cathode | |
| CN202126987U (en) | Microfocus X ray source | |
| CN104148862B (en) | Frock clamp and the welding method of the assembling of grided electron gun shadow grid is intercepted and captured for nothing | |
| CN102800544A (en) | Dual-anode magnetic control electronic gun with adjustable cathode | |
| CN105551918A (en) | L-band tunable high-power microwave device without magnetic field | |
| CN102945781B (en) | Dual-mode multi-beam electron gun for dual-mode traveling wave tube and control method thereof | |
| CN103376343B (en) | A kind of removable die opening electron gun system for high current electron beam analyzer | |
| US7250727B2 (en) | High power, long focus electron source for beam processing | |
| CN201893313U (en) | Positive pole control electron gun applied in millimeter-wave travelling wave tube | |
| CN201618940U (en) | Laser welding fixture of electron gun component | |
| CN102672641B (en) | Assembling fixture used for electronic gun cathode control assembly and assembling method thereof | |
| CN204155898U (en) | A kind of cold cathode producing cylindrical many note INTENSE RELATIVISTIC ELECTRON BEAM | |
| CN202668406U (en) | An assembling fixture used for a cathode and control electrode assembly of an electronic gun | |
| Shao et al. | Recent progress of short pulse dielectric twobeam acceleration | |
| CN111105966B (en) | High-efficiency high-power pulse space traveling wave tube four-stage depressed collector structure | |
| CN104999216B (en) | A kind of cathode assembly assembling jig | |
| CN104332373B (en) | A kind of cylinder that produces notes the cold cathode of INTENSE RELATIVISTIC ELECTRON BEAM more | |
| CN103681174B (en) | A kind of flat multi-level depressurization collector | |
| CN204771329U (en) | Negative pole component Assembly anchor clamps | |
| CN206076192U (en) | Collector porcelain cylinder and the collector including the porcelain cylinder on multi-level depressurization collector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 241000 No.01 Eshan Road, high tech Development Zone, Yijiang District, Wuhu City, Anhui Province Patentee after: ANHUI HUADONG PHOTOELECTRIC TECHNOLOGY INSTITUTE Co.,Ltd. Address before: 241000 Anhui Province, Wuhu city Yijiang District South high tech Development Zone Technology Park mansion Patentee before: Anhui Huadong Polytechnic Institute |