CN110838426A - Pre-assembly jig for spiral line and clamping rod - Google Patents
Pre-assembly jig for spiral line and clamping rod Download PDFInfo
- Publication number
- CN110838426A CN110838426A CN201911290441.9A CN201911290441A CN110838426A CN 110838426 A CN110838426 A CN 110838426A CN 201911290441 A CN201911290441 A CN 201911290441A CN 110838426 A CN110838426 A CN 110838426A
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- China
- Prior art keywords
- clamping rod
- spiral line
- assembly jig
- insertion groove
- clamping
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/003—Auxiliary devices for installing or removing discharge tubes or lamps
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Clamps And Clips (AREA)
Abstract
The invention relates to the technical field of vacuum electronic products, and provides a pre-assembly jig for a spiral line and a clamping rod. According to the pre-assembly jig for the spiral line and the clamping rod, the spiral line and the clamping rod are placed by the retainer, the retainer is fixed on the support frame, and the clamping rod is fixed by the retaining plate matched with the support frame, so that the clamping rod and the spiral line can be protected to be relatively static during assembly movement, and the assembly efficiency and the reliability of a finished product are greatly improved.
Description
Technical Field
The invention relates to the technical field of vacuum electronic products, and particularly provides a preassembly jig for a spiral line and a clamping rod.
Background
The traveling wave tube is an electronic device widely used in national defense and national economy, and has good power, frequency band and gain performance. The high-frequency structure in the traveling wave tube is a core device in the traveling wave tube, and plays a role in reducing the phase velocity of electromagnetic waves, so that electrons and the electromagnetic waves can effectively interact. The current high frequency structure generally comprises a tube shell, a clamping rod and a spiral line. Because helix and holding rod and tube assembly are interference fit, and require extremely high to the assembly for the assembly of helix and holding rod and tube is very difficult, and the yields is extremely low, and need invest a large amount of labours, and is inefficient, and the product uniformity is low, leads to the finished product reliability to hang down.
Disclosure of Invention
The invention aims to provide a preassembly jig for a spiral line and a clamping rod, and aims to solve the technical problems that the spiral line, the clamping rod and a pipe shell are very difficult to assemble and the yield is extremely low in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a pre-assembly jig of helix and supporting rod, is used for placing including the holder that is used for placing helix and supporting rod the support frame of holder, and locate be used for the fixed supporting rod's of cooperation holding plate on the support frame.
Further, the holder including keep a section of thick bamboo and with a section of thick bamboo coaxial coupling's axial region is kept, be equipped with on the support frame and supply the axial region stretches into the pivoted connecting hole, the axial region has axial through hole and is used for placing the helix, be equipped with along length direction on the outer wall of axial region with a plurality of notches that are used for placing the clamping rod respectively of axial through hole intercommunication.
Further, the depth of each notch is less than the radial height of the clamping bar.
Further, the shaft portion is a stepped shaft.
Further, the shaft portion is provided with a protrusion or a groove for positioning an external sensor.
Furthermore, the top surface of the support frame is provided with an insertion groove communicated to the connecting hole, and an elastic sheet is arranged in the insertion groove.
Further, the width of a slot formed by the elastic piece and the insertion slot is smaller than the width of the clamping rod.
Furthermore, the bottom of the holding plate is provided with a pressing sheet which can extend into the insertion groove and is used for pressing the clamping rod.
Further, the pressing sheet is in clearance fit with the insertion groove.
Furthermore, one end of the holding cylinder, which is far away from the shaft part, is provided with a connecting part which can be connected with an external driving part.
The invention has the beneficial effects that:
according to the pre-assembly jig for the spiral line and the clamping rod, the spiral line and the clamping rod are placed by the retainer, the retainer is fixed on the support frame, and the clamping rod is fixed by the retaining plate matched with the support frame, so that the clamping rod and the spiral line can be protected to be relatively static during assembly movement, and the assembly efficiency and the reliability of a finished product are greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a first schematic structural diagram of a preassembly jig for a spiral line and a clamping rod according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the pre-assembly jig for the spiral line and the clamping rod according to the embodiment of the present invention;
fig. 3 is an exploded view of the pre-assembly jig for a spiral line and a clamping rod according to the embodiment of the invention;
wherein, in the figures, the respective reference numerals:
10-a cage; 11-a retention cartridge; 111-a connecting portion; 12-a shaft portion; 121-axial through hole; 122-notches; 20-a support frame; 21-a frame body; 211-connection holes; 212-insertion slot; 213-an elastic sheet; 30-a holding plate; 31-tabletting; 40-helix; 50-clamping bar.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to fig. 3, a pre-assembly fixture for a spiral line and a clamping rod according to an embodiment of the present invention includes a holder 10 for placing the spiral line 40 and the clamping rod 50, a supporting frame 20 for placing the holder 10, and a holding plate 30 disposed on the supporting frame 20 for fixing the clamping rod 50 in a matching manner.
In the embodiment of the invention, the spiral line 40 and the clamping rod 50 are placed by using the retainer 10, the retainer 10 is fixed on the support frame 20, and the clamping rod 50 is fixed by the retaining plate 30 matched with the support frame 20, so that the clamping rod 50 and the spiral line 40 can be protected to be relatively static during assembling movement, and the assembling efficiency and the reliability of a finished product are greatly improved.
Specifically, as shown in fig. 3, in the present embodiment, the holder 10 includes a cylindrical holding cylinder 11 and a shaft portion 12, and the shaft portion 12 extends from one end surface of the holding cylinder 11 and is coaxial with the holding cylinder 11. Specifically, the shaft portion 12 is a stepped shaft, i.e., the shaft portion 12 has at least two sections, the two sections having different diameters. With this structure, the concentricity of the shaft portion 12 and the holding cylinder 11 during rotation or assembly is made better. To facilitate the assembly of the components with the outside, the external sensor is preferably positioned by providing a projection or a groove (not shown) on a section of the shaft portion 12.
In this embodiment, the shaft portion 12 has an axial through hole 121 for accommodating the spiral wire 40, and a plurality of notches 122 communicating with the axial through hole 121 are formed in a length direction of an outer wall of the shaft at an extreme end, and the plurality of notches 122 are used for accommodating the plurality of clamping bars 50, respectively. In this embodiment, there are three notches 122, and the three notches 122 are uniformly spaced. And the depth of each of the three notches 122 is less than the radial height of the clamping bar 50. Thus, when the three clamping bars 50 are placed in the three notches 122, respectively, each clamping bar 50 protrudes out of each notch 122, thus facilitating the holding block to contact the clamping bars 50 and act on the clamping bars 50.
Further, an end of the holding cylinder 11 remote from the shaft portion 12 is provided with a connecting portion 111 connectable to an external driving member. Specifically, the connecting portion may be a connecting shaft or a connecting hole, so that it may be coaxially connected to an external motor shaft and rotated by the motor shaft, facilitating the installation of the three clamping rods 50.
In this embodiment, the supporting frame 20 includes a frame body 21 in a rectangular shape and supporting legs located at the bottom of the frame body 21. The frame body 21 is provided with a connecting hole 211, the connecting hole 211 is a precise through hole, the shaft portion 12 of the holder 10 can extend into the connecting hole 211, and the shaft portion 12 is in clearance fit with the connecting hole 211, so that the shaft portion 12 can rotate with the connecting hole 211. The top surface of the frame body 21 is provided with an insertion groove 212 communicated with the connection hole 211, and an elastic sheet 213 is arranged in the insertion groove 212. The elastic piece 213 is formed by cutting in the insertion groove 212, and is made of the material of the frame body 21 itself to have an elastic function. The width of the slot 122 formed by the elastic piece 213 and the insertion slot 212 is smaller than the width of the clamping rod 50, so that when the clamping rod 50 is placed between the elastic piece 213 and the insertion slot 212, the elastic piece 213 can clamp the clamping rod 50 to be placed closely to the edge of the insertion slot 212.
In this embodiment, the pressing piece 31 is provided on the bottom of the holding plate 30, the pressing piece 31 is vertically provided, and the pressing piece 31 is in clearance fit with the insertion groove 212. When the holding plate 30 is overlapped on the top of the supporting frame 20, a certain pulling force is provided between the holding plate 30 and the holding frame 10, and the pressing sheet 31 extends into the insertion groove 212 and is pressed on the clamping rod 50 by the top to compress the clamping rod 50, so that the clamping rod 50 and the spiral line 40 are guaranteed to be a certain pressure, the spiral line 40 is embraced by the three clamping rods 50 to keep the clamping rod 50 and the spiral line 40 to be relatively static in the assembling process, and the assembling consistency is improved.
In this embodiment, when assembling the preassembly jig, the shaft portion 12 of the holder 10 is first inserted into the connecting hole 211 of the supporting frame 20, the holder 10 is driven by the external driving member to rotate, the slot 122 of the holder 10 is aligned with the insertion slot 212 of the supporting frame 20, at this time, the spiral line 40 is rotated to a proper angle and is placed into the axial through hole 121 of the holder 10, then a clamping rod 50 is placed into the slot 122 of the holder 10 from the insertion slot 212 of the supporting frame 20, the holder 10 is rotated again, the other slot 122 is aligned with the insertion slot 212 of the supporting frame 20, then the second clamping rod 50 is placed, the holder 10 is rotated again, the last slot 122 is aligned with the insertion slot 212 of the supporting frame 20, then the third clamping rod 50 is placed, finally the holding plate 30 is placed on the holder 10, the pressing piece 31 of the holding plate 30 is inserted into the insertion slot 212 and is applied to the third clamping rod 50, the third clamping rod 50 then exerts pressure on helix 40, and helix 40 then exerts pressure on two other clamping rods 50, and two other clamping rods 50 then exert pressure on support frame 20, make to be certain pressure between three clamping rods 50 and the helix 40 like this to the relative position that makes three clamping rods 50 and helix 40 keeps unchangeable, makes things convenient for the assembly of subsequent order.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a preassemble tool of helix and supporting rod which characterized in that: the clamping device comprises a retainer for placing a spiral line and a clamping rod, a supporting frame for placing the retainer, and a retaining plate arranged on the supporting frame and used for fixing the clamping rod in a matched manner.
2. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 1, wherein: the holder including keep a section of thick bamboo and with a section of thick bamboo coaxial coupling's axial region keeps, be equipped with on the support frame and supply the axial region stretches into the pivoted connecting hole, the axial region has axial through hole and is used for placing the helix, be equipped with along length direction on the outer wall of axial region with a plurality of notches that are used for placing the supporting rod respectively of axial through hole intercommunication.
3. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 2, wherein: the depth of each notch is less than the radial height of the clamping rod.
4. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 2, wherein: the shaft portion is a stepped shaft.
5. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 2 or 4, wherein: the shaft portion is provided with a projection or a groove for positioning an external sensor.
6. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 2, wherein: the top surface of the support frame is provided with an insertion groove communicated to the connecting hole, and an elastic sheet is arranged in the insertion groove.
7. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 6, wherein: the width of a notch formed by the elastic piece and the insertion groove is smaller than that of the clamping rod.
8. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 6 or 7, wherein: and the bottom of the holding plate is provided with a pressing sheet which can extend into the insertion groove and is used for pressing the clamping rod.
9. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 8, wherein: the pressing sheet is in clearance fit with the insertion groove.
10. The pre-assembly jig for the spiral line and the clamping rod as claimed in claim 2, wherein: and one end of the holding cylinder, which is far away from the shaft part, is provided with a connecting part which can be connected with an external driving part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290441.9A CN110838426A (en) | 2019-12-16 | 2019-12-16 | Pre-assembly jig for spiral line and clamping rod |
| CN202010277468.0A CN111276380A (en) | 2019-12-16 | 2020-04-10 | Pre-assembly jig for spiral line and clamping rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911290441.9A CN110838426A (en) | 2019-12-16 | 2019-12-16 | Pre-assembly jig for spiral line and clamping rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110838426A true CN110838426A (en) | 2020-02-25 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911290441.9A Pending CN110838426A (en) | 2019-12-16 | 2019-12-16 | Pre-assembly jig for spiral line and clamping rod |
| CN202010277468.0A Pending CN111276380A (en) | 2019-12-16 | 2020-04-10 | Pre-assembly jig for spiral line and clamping rod |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010277468.0A Pending CN111276380A (en) | 2019-12-16 | 2020-04-10 | Pre-assembly jig for spiral line and clamping rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN110838426A (en) |
Cited By (1)
| 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 |
-
2019
- 2019-12-16 CN CN201911290441.9A patent/CN110838426A/en active Pending
-
2020
- 2020-04-10 CN CN202010277468.0A patent/CN111276380A/en active Pending
Cited By (1)
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111276380A (en) | 2020-06-12 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200225 |
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| WD01 | Invention patent application deemed withdrawn after publication |