CN110690088B - Assembly method of helix traveling wave tube high-frequency circuit - Google Patents
Assembly method of helix traveling wave tube high-frequency circuit Download PDFInfo
- Publication number
- CN110690088B CN110690088B CN201910981188.5A CN201910981188A CN110690088B CN 110690088 B CN110690088 B CN 110690088B CN 201910981188 A CN201910981188 A CN 201910981188A CN 110690088 B CN110690088 B CN 110690088B
- Authority
- CN
- China
- Prior art keywords
- clamping
- assembling
- rod
- spiral line
- shell
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J23/24—Slow-wave structures, e.g. delay systems
- H01J23/26—Helical slow-wave structures; Adjustment therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
Landscapes
- Microwave Tubes (AREA)
Abstract
The invention discloses an assembly method of a helix traveling wave tube high-frequency circuit, which comprises the following steps: (1) assembling a tool; (2) assembling a pipe shell; (3) assembling the spiral line and the clamping rod combination; (4) the spiral line and the clamping rod are combined to push; (5) heating the pipe shell (4), and pushing the spiral line (10) and the clamping rod (9) into the pipe shell (4) in a combined manner. The assembling method provided by the invention has reasonable process design, can solve the defects of a cold assembling technology of a high-frequency circuit of the helix line traveling wave tube, can realize reliable clamping of the high-frequency circuit in a cold state and a hot state, can ensure the precise alignment of the combination of the helix line and the clamping rod and the groove position of the tube shell, can ensure the alignment of the end of the final helix line and the position of the energy transmission hole on the tube shell, is suitable for the assembly of various helix line traveling wave tubes, and has wide application range.
Description
Technical Field
The invention relates to an assembly method of a helix traveling wave tube, in particular to an assembly method of a helix traveling wave tube high-frequency circuit.
Background
Helix traveling wave tube high frequency assembly adopts cold assembly usually, can guarantee that helix centre gripping is reliable under the cold state, but because experience baking more than 500 ℃ and helix temperature also can reach about 100 ℃ under the operating condition in helix traveling wave tube's the whole tubulation flow, because the expansion coefficient difference of material causes the contact thermal resistance between helix and the supporting rod to increase, work unstability often appears in the process of touching the end in high low temperature and hot vacuum experiment, electron injection layer fluidity becomes poor, some electrical property index and helix current change scheduling problem, helix current increase even helix output section burns out after appearing working a period of time even.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to solve the defects of the prior art, provides an assembly method which has reasonable process design, can solve the defects of a cold assembly technology of a high-frequency circuit of a helix line travelling wave tube, can realize reliable clamping of the high-frequency circuit in a cold state and a hot state, can ensure the precise alignment of the combination of the helix line and a clamping rod and the groove position of a tube shell, can ensure the alignment of the end of the helix line and the position of an energy transmission hole on the tube shell finally, and is suitable for the thermal expansion clamping of the high-frequency circuit of various helix line travelling wave tubes.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the method for assembling the high-frequency circuit of the helix traveling wave tube is characterized by comprising the following steps of:
(1) assembly of tool
Firstly, combining a clamping cylinder, 3 supporting plates and a supporting plate into a whole through 3 screws;
(2) pipe shell assembly
Placing the tube shell in the center of the supporting plate, inserting the assembling core rod into the clamping cylinder, and aligning the groove of the tube shell with the protruding part of the assembling core rod, so that the position of the tube shell and the clamping cylinder is ensured to be aligned by assembling the core rod; then the tube shell is pressed tightly by 2 pressing plates and supporting rodsAfter the pressing, the assembling core rod is taken out; measuring and recording the distance L from the center of the energy transmission hole of the pipe shell to the lower end surface of the clamping cylinder1；
(3) Assembly of spiral line and clamping rod combination
Three clamping rods are uniformly distributed on the excircle of the spiral line by adopting a high-frequency assembly die and are combined into a whole, and trisection positioning rings are sleeved at the two ends of each clamping rod; the end of the spiral line is upward and is arranged between the two clamping rods during assembly; measuring and recording the distance L from the end of the spiral line to the end face of the lower positioning ring2；
(4) The spiral line and the clamping rod are combined and pushed into the clamping cylinder
Horizontally placing the tool assembled with the tube shell in the step (2) to enable the direction of the energy transmission hole to be upward; grasping a high-frequency assembly die, and pushing the spiral line and clamping rod combination in the step (3) into a central hole of the clamping cylinder from one end, so that the clamping rods are positioned in the equally-divided grooves of the clamping cylinder;
(5) calculating the length of the push rod, wherein L is L1-L2, and locking a push rod limiting block;
(6) the assembled tube shell is placed in a heating coil, and is electrified and heated to a certain temperature, so that after the inner hole of the tube shell expands, the helix and the clamping rod in the clamping cylinder are combined and rapidly pushed into the tube shell by the aid of the push rod, and the pushing length is L.
Preferably, the method for assembling the helical traveling-wave tube high-frequency circuit is characterized in that the step (6) is electrically heated to 600-.
Has the advantages that: compared with the prior art, the assembling method of the high-frequency circuit of the helix traveling wave tube has the following advantages:
the assembling method for thermal expansion clamping of the high-frequency circuit, provided by the invention, has reasonable process design, can overcome the defects of a cold assembling technology of the high-frequency circuit of the helix line traveling wave tube, can realize reliable clamping of the high-frequency circuit in a cold state and a hot state, can ensure the precise alignment of the combination of the helix line and the clamping rod and the groove position of the tube shell, can ensure the alignment of the end of the final helix line and the position of the energy transmission hole on the tube shell, is suitable for assembling various helix line traveling wave tubes, and has wide application range.
Drawings
FIG. 1 is a schematic view of the assembly of the step (1) tooling of the present invention.
Fig. 2 is a schematic view of the assembly of the cartridge in step (2) of the present invention.
FIG. 3 is a schematic structural diagram of a cross section of the spiral line and clamping rod combined assembly in step (3) of the present invention.
FIG. 4 is a schematic view of the assembly of the spiral line and the clamping rod in step (3) of the present invention.
Detailed Description
The present invention is further illustrated by the following figures and specific examples, which are to be understood as illustrative only and not as limiting the scope of the invention, which is to be given the full breadth of the appended claims and any and all equivalent modifications thereof which may occur to those skilled in the art upon reading the present specification.
As shown in fig. 1 to 4, the method for assembling the high-frequency circuit of the helical traveling-wave tube includes the following steps:
(1) assembly of tool
Firstly, combining a clamping cylinder 1, 3 supporting plates 2 and a supporting plate 3 into a whole through 3 screws 12;
(2) pipe shell assembly
Placing the tube shell 4 in the center of the supporting plate 3, inserting the assembling core rod 5 into the clamping cylinder 1, and aligning the groove of the tube shell 4 with the convex part of the assembling core rod 5, thereby ensuring the position alignment of the tube shell 4 and the clamping cylinder 1 through the assembling core rod 5; then, 2 pressing plates 6 and supporting rods 7 are used for pressing the tube shell 4 tightly, and the assembling core rod 5 is taken out after the pressing; measuring and recording the distance L from the center of the energy transmission hole of the tube shell 4 to the lower end surface of the clamping cylinder 11；
(3) Assembly of spiral line and clamping rod combination
Three clamping rods 9 are uniformly distributed on the excircle of the spiral line 10 by adopting a high-frequency assembly die 8 and are combined into a whole, and trisection positioning rings 11 are sleeved at two ends of each clamping rod 9; the end of the spiral line is upward and is arranged between the two clamping rods during assembly; measuring and recording the distance L from the end of the spiral line to the end surface of the lower positioning ring 112；
(4) The spiral line and the clamping rod are combined and pushed into the clamping cylinder
Horizontally placing the tool assembled with the tube shell in the step (2) to enable the direction of the energy transmission hole to be upward; grasping a high-frequency assembly die 8, pushing the spiral line 10 and the clamping rod 9 combination in the step (3) into a central hole of the clamping cylinder 1 from one end, and enabling the clamping rod 9 to be located in the equally-divided grooves of the clamping cylinder 1;
(5) calculating the length of the push rod, wherein L is L1-L2, and locking a push rod limiting block;
(6) the assembled tube shell 4 is placed in a heating coil, the tube shell is electrified and heated to 600-800 ℃, after the inner hole of the tube shell expands, the spiral line 10 and the clamping rod 9 in the clamping tube 1 are combined and quickly pushed into the tube shell 4 by the push rod, and the pushing length is ensured to be L.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (2)
1. The method for assembling the high-frequency circuit of the helix traveling wave tube is characterized by comprising the following steps of:
(1) assembly of tool
Firstly, combining a clamping cylinder (1), 3 supporting plates (2) and a supporting plate (3) into a whole through 3 screw rods (12);
(2) pipe shell assembly
Placing the tube shell (4) in the center of the supporting plate (3), inserting the assembling core rod (5) into the clamping cylinder (1), and aligning the groove of the tube shell (4) with the convex part of the assembling core rod (5), thereby ensuring the position alignment of the tube shell (4) and the clamping cylinder (1) through the assembling core rod (5); then, 2 pressing plates (6) and supporting rods (7) are used for pressing the tube shell (4), and the assembling core rod (5) is taken out after pressing; measuring and recording the distance L from the center of the energy transmission hole of the tube shell (4) to the lower end surface of the clamping cylinder (1)1；
(3) Assembly of spiral line and clamping rod combination
Three clamping rods (9) are uniformly distributed on the excircle of the spiral line (10) by adopting a high-frequency assembly die (8) and are combined into a whole, and trisection positioning rings (11) are sleeved at two ends of each clamping rod (9); the end of the spiral line is upward during assemblyAnd between the two clamping rods; measuring and recording the distance L from the end of the spiral line to the end surface of the lower positioning ring (11)2；
(4) The spiral line and the clamping rod are combined and pushed into the clamping cylinder
Horizontally placing the tool assembled with the tube shell in the step (2) to enable the direction of the energy transmission hole to be upward; a high-frequency assembly die (8) is grasped, the spiral line (10) and the clamping rod (9) in the step (3) are combined and pushed into a center hole of the clamping cylinder (1) from one end, and the clamping rod (9) is positioned in an equant groove of the clamping cylinder (1);
(5) calculating the length of the push rod, wherein L is L1-L2, and locking a push rod limiting block;
(6) the assembled pipe shell (4) is placed in a heating coil, and is electrified and heated to a certain temperature, so that after the inner hole of the pipe shell expands, the spiral line (10) and the clamping rod (9) in the clamping cylinder (1) are combined and rapidly pushed into the pipe shell (4) by the aid of the push rod, and the pushing length is L.
2. The method for assembling a high-frequency circuit of a spiral traveling-wave tube as claimed in claim 1, wherein the step (6) is electrically heated to 600-800 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981188.5A CN110690088B (en) | 2019-10-16 | 2019-10-16 | Assembly method of helix traveling wave tube high-frequency circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981188.5A CN110690088B (en) | 2019-10-16 | 2019-10-16 | Assembly method of helix traveling wave tube high-frequency circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110690088A CN110690088A (en) | 2020-01-14 |
| CN110690088B true CN110690088B (en) | 2022-03-25 |
Family
ID=69112925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910981188.5A Active CN110690088B (en) | 2019-10-16 | 2019-10-16 | Assembly method of helix traveling wave tube high-frequency circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110690088B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111554554A (en) * | 2020-05-18 | 2020-08-18 | 安徽华东光电技术研究所有限公司 | S-waveband helix traveling wave tube slow wave cold-elastic pressing clamping rod positioning system |
| CN111769018B (en) * | 2020-06-23 | 2022-06-21 | 深圳市凯德科技发展有限公司 | Positioning assembly jig and process for spiral line and clamping rod |
| CN115091187A (en) * | 2022-07-28 | 2022-09-23 | 南京三乐集团有限公司 | High-precision alignment tool and alignment assembly method for terahertz traveling wave tube |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63303872A (en) * | 1987-06-04 | 1988-12-12 | Toshiba Corp | Production of helix type traveling-wave tube |
| CN101642865A (en) * | 2008-08-06 | 2010-02-10 | 中国科学院电子学研究所 | Deformation-free thermal extrusion method for helix slow-wave component preparation |
| CN101689463A (en) * | 2007-02-21 | 2010-03-31 | 曼哈顿技术有限公司 | High frequency helical amplifier and oscillator |
| WO2011096890A1 (en) * | 2010-02-04 | 2011-08-11 | Ciersiang Chua | Planar helix slow-wave structure with straight-edge connections |
| CN102446676A (en) * | 2011-12-14 | 2012-05-09 | 电子科技大学 | Helix slow wave structure |
| JP2013030377A (en) * | 2011-07-29 | 2013-02-07 | Mitsubishi Electric Corp | Helix type traveling-wave tube and helix type traveling-wave tube manufacturing method |
| CN104485270A (en) * | 2014-11-10 | 2015-04-01 | 安徽华东光电技术研究所 | Manufacturing process of slow wave system for helix travelling wave tube |
| CN106128915A (en) * | 2016-07-14 | 2016-11-16 | 中国电子科技集团公司第十二研究所 | A kind of helix TWT integral high frequency structure and the preparation method of this high-frequency structure |
| CN109755083A (en) * | 2018-11-29 | 2019-05-14 | 南京三乐集团有限公司 | A kind of helix line slow-wave system thermal expansion assembly method |
| CN110335797A (en) * | 2019-07-08 | 2019-10-15 | 电子科技大学 | A kind of helical line for travelling wave tube slow-wave structure |
-
2019
- 2019-10-16 CN CN201910981188.5A patent/CN110690088B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63303872A (en) * | 1987-06-04 | 1988-12-12 | Toshiba Corp | Production of helix type traveling-wave tube |
| CN101689463A (en) * | 2007-02-21 | 2010-03-31 | 曼哈顿技术有限公司 | High frequency helical amplifier and oscillator |
| CN101642865A (en) * | 2008-08-06 | 2010-02-10 | 中国科学院电子学研究所 | Deformation-free thermal extrusion method for helix slow-wave component preparation |
| WO2011096890A1 (en) * | 2010-02-04 | 2011-08-11 | Ciersiang Chua | Planar helix slow-wave structure with straight-edge connections |
| JP2013030377A (en) * | 2011-07-29 | 2013-02-07 | Mitsubishi Electric Corp | Helix type traveling-wave tube and helix type traveling-wave tube manufacturing method |
| CN102446676A (en) * | 2011-12-14 | 2012-05-09 | 电子科技大学 | Helix slow wave structure |
| CN104485270A (en) * | 2014-11-10 | 2015-04-01 | 安徽华东光电技术研究所 | Manufacturing process of slow wave system for helix travelling wave tube |
| CN106128915A (en) * | 2016-07-14 | 2016-11-16 | 中国电子科技集团公司第十二研究所 | A kind of helix TWT integral high frequency structure and the preparation method of this high-frequency structure |
| CN109755083A (en) * | 2018-11-29 | 2019-05-14 | 南京三乐集团有限公司 | A kind of helix line slow-wave system thermal expansion assembly method |
| CN110335797A (en) * | 2019-07-08 | 2019-10-15 | 电子科技大学 | A kind of helical line for travelling wave tube slow-wave structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110690088A (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110690088B (en) | Assembly method of helix traveling wave tube high-frequency circuit | |
| CN101642865A (en) | Deformation-free thermal extrusion method for helix slow-wave component preparation | |
| CN105171169A (en) | Tin soldering technique for superconductive current lead and superconductive cable | |
| JP3590010B2 (en) | Inductor for heating the inner surface of pipe | |
| CN203386704U (en) | Helix travelling wave tube slow wave clamping structure | |
| CN202103870U (en) | Connecting structure for graphite rod heating body | |
| CN203824391U (en) | Heat guide pipe combination structure of heat dissipater | |
| CN103987141A (en) | Electrical heater capable of realizing heat conduction and infrared radiation at the same time | |
| CN202259131U (en) | Thermal compression clamp of spiral line slow-wave system for traveling-wave pipes | |
| CN203608498U (en) | Mandrel for forming heat tubes | |
| CN109755083B (en) | Thermal expansion assembly method for helical line slow-wave system | |
| CN110446280A (en) | Snakelike bending hollow cylinder body elasticity heater, its processing mold and processing method | |
| CN210112312U (en) | Double-insulation carbon fiber vacuum heating pipe | |
| CN201044517Y (en) | Bandlet carbon fiber spiral electro-heat core energy-saving quartz electric heating tube | |
| CN107543441B (en) | A kind of positioning of fiber sintering formula heat pipe manufacturing process core pipe and extraction method | |
| CN202726309U (en) | Automatic thermo press | |
| CN209570012U (en) | Efficient box type heater | |
| CN100426444C (en) | Composite casing of travelling-wave tube | |
| CN201498820U (en) | Reverse polarity radio frequency coaxial connector | |
| CN103177913A (en) | Mold and forming method for high-precision helical lines | |
| CN207149292U (en) | A kind of half firm type radio frequency coaxial-cable of thin-walled with embossing structure | |
| CN206258009U (en) | A kind of new gitter brick of energy-conserving and environment-protective | |
| CN206061179U (en) | A kind of electrically heated rod of mould inside heating | |
| CN211019262U (en) | High-efficient graphite heater | |
| CN211147277U (en) | Cage heater for sintering furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |