CN105428188A - Multi-link planar tuning component, and assembly clamp and assembly method therefor - Google Patents
Multi-link planar tuning component, and assembly clamp and assembly method therefor Download PDFInfo
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- CN105428188A CN105428188A CN201510958415.4A CN201510958415A CN105428188A CN 105428188 A CN105428188 A CN 105428188A CN 201510958415 A CN201510958415 A CN 201510958415A CN 105428188 A CN105428188 A CN 105428188A
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- 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
- H01J23/165—Manufacturing processes or apparatus therefore
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- 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
- H01J23/18—Resonators
- H01J23/20—Cavity resonators; Adjustment or tuning thereof
- H01J23/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
- H01J2223/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J2223/165—Manufacturing processes or apparatus therefore
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2223/00—Details of transit-time tubes of the types covered by group H01J2225/00
- H01J2223/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
- H01J2223/18—Resonators
- H01J2223/20—Cavity resonators; Adjustment or tuning thereof
- H01J2223/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
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Abstract
The invention provides a multi-link planar tuning component, and an assembly clamp and an assembly method therefor. Tuning mechanisms of a plurality of cavities are integrated into a whole, so that the structure complexity is reduced; the welding success rate is improved; and the structure compactness and miniaturization of a whole klystron are ensured. The multi-link planar tuning component employing a component form is small in size and compact in structure; reliability detection is carried out before the multi-link planar tuning component is welded to the klystron; the welding reliability of the multi-link planar tuning component is higher than that of a multi-film structure; the multi-link planar tuning component has advantages for the klystron which works at a high frequency; the problem of a welding difficulty caused by a small space is solved; by an half-open mold design form, the multi-link planar tuning component is convenient to install and dismantle; and the deformation when films are taken out is reduced.
Description
Technical field
The present invention relates to the resonance frequency regulation technology field of electron vacuum device, particularly relate to a kind of multi link plane tuning block and assembling jig thereof and method.
Background technology
Resonant cavity is one of most important part in klystron, and its frequency characteristic is related to the operating characteristic such as power output and bandwidth of operation of klystron.Resonant cavity generally adopts oxygenless copper material to process and obtains, in klystron development process, resonant cavity is after overpickling and multiple high temp welding sequence, and final resonant cavity frequency may offset design value, thus causes the characteristic such as power level and bandwidth of operation not meet design requirement.In order to reduce the side-play amount of resonant cavity frequency and design load, on resonant cavity, regulating nail can be installed, be changed the frequency characteristic of resonant cavity by the change of the insertion depth of regulating nail, afterwards by regulating nail seal welding on resonant cavity.Though this regulative mode can reduce the side-play amount of resonant cavity frequency, can not regulate again after sealing, not be suitable for high-frequency klystron.
Mechanical tuning technology is flake structure on the one or more sidewall weld by resonant cavity, is changed the shape facility of resonant cavity, and then change its frequency characteristic by the deformation of thin slice.Mechanical tuning technology can effectively regulate resonant cavity frequency to designated value within the specific limits, and then makes klystron obtain the output characteristic met the demands.In klystron, especially in high-frequency klystron, by tunable technology by resonant cavity frequency adjustment to designated value, guarantee the operating characteristic of klystron, be klystron development in a key technology.
Klystron tuning be divided into capacitance tuning and inductance tuning, inductance is wherein tuning is by regulating resonant cavity wall, changes resonant cavity distributed inductance, and then reaches the object changing resonant cavity frequency.The resonant cavity wall regulated generally adopts diaphragm structure, and it not only has regulating action, can also realize the vacuum seal of resonant cavity, and material behavior requires higher.
Mechanical tuning frame mode conventional at present as shown in Figure 1, namely at a side opening of resonant cavity 11, welds independently mechanical tuning device in each resonant cavity 11 open side.Mechanical tuning device forms primarily of diaphragm 21, regulating connecting rod 22 and external governor motion; Diaphragm 21 material is wherein generally stainless steel copper facing or ambrose alloy composite material etc., and the shape of diaphragm 21 is generally rectangular sheet structure, and its surrounding seal welding is to the surrounding of resonant cavity 11 open side, and diaphragm 21 forms a sidewall of resonant cavity 11; Regulating connecting rod 22 is wherein welded on the normal direction center, outside of diaphragm 21, and the contact-making surface between regulating connecting rod 22 and diaphragm 21 is less than the opening of resonant cavity 11.Inwardly or when pulling out regulating connecting rod 22, deformation occurs the diaphragm 21 between regulating connecting rod 22 resonant cavity 11, and then change the frequency characteristic of resonant cavity 11.In order to increase adjustable range, usually the diaphragm 21 between regulating connecting rod 22 resonant cavity 11 is processed into crimp shape.There is following technological deficiency in conventional mechanical tuning structure:
(1) tuning block on each resonant cavity welds separately, complex structure, and volume is large, is unfavorable for the miniaturization of device;
(2) when welding multiple mechanical tuning device, if one of them diaphragm lost efficacy when welding, namely this high band lost efficacy;
(3) for the klystron being operated in high band, the size of space between its resonant cavity is limited, and the while of two adjacent diaphragms, the difficulty of seal welding is large;
(4) when multiple mechanical tuning device is soldered on klystron simultaneously, the erection welding mould structure complex forms of needs.
For low frequency klystron, the resonant cavity volume in high-frequency klystron is little, mechanical tuning device to lay space very limited, it is very big that each resonant cavity welds mechanical tuning device difficulty respectively.
Summary of the invention
(1) technical problem that will solve
In order to solve prior art Problems existing, the invention provides a kind of multi link plane tuning block and assembling jig thereof and method.
(2) technical scheme
A kind of multi link plane tuning block of the present invention, this multi link plane tuning block 20 is soldered to klystron 10 and becomes a part for klystron 10 cavity, the cavity upper surface of klystron 10 has the groove 12 of a bottom surface level, inside cavity has N number of resonant cavity 11, and it is through that the bottom surface of groove 12 and the end face of N number of resonant cavity 11 pass through N number of opening 13; This multi link plane tuning block 20 comprises: fixed frame 23, diaphragm 21 and N number of regulating connecting rod 22; Fixed frame 23 is the string configuration of bottom surface opening, be positioned in the groove 12 of klystron 10 upper surface, the inner surface close contact of its outer surface and this groove 12, its end face has N number of transversely arranged through hole 24, this N number of transversely arranged through hole 24 lays respectively at directly over N number of resonant cavity 11, with N number of opening 13 one_to_one corresponding; Diaphragm 21 is strip flake structure, and its shape is identical with size with the shape of fixed frame 23 bottom surface with size, the bottom surface surrounding seal welding of its surrounding and fixed frame 23; N number of regulating connecting rod 22 passes from the central vertical of N number of through hole 24 respectively, and bottom and the diaphragm 21 of N number of regulating connecting rod 22 weld together, and described N is natural number.
A kind of assembling jig assembling above-mentioned multi link plane tuning block of the present invention, assembling jig 30 comprises positioning plate 310, semi-open jig 320, U-shaped fastening mould 330, trapezoidal briquetting 34, N number of transition nail 35 and N number of propelling screw 36, positioning plate 310 is string configuration, its four drift angles have first group of screwed hole, its upper surface center position is a strip boss 311, and there is a boss groove 312 strip boss 311 center, and the shape of this boss groove 312 is identical with size with the shape of diaphragm 21 with size, semi-open jig 320 is one " H " type structure, the medium position of two ends has second group of screwed hole, the both sides of two ends have first group of through hole, the lower surface of horizontal pars intermedia 321 is higher than the lower surface of semi-open jig 320 two ends, one side of horizontal pars intermedia 321 has first group of N number of vertical groove 322, this first group N number of vertical groove 322 has the 3rd group of screwed hole between any two, and the shape of this first group N number of vertical groove 322 is identical with size with the shape of regulating connecting rod 22 Lower Half with size, trapezoidal briquetting 34 has second group of through hole, one side fits in the semi-open side of jig 320 with groove 322, this side and first group of N number of groove 322 form the 3rd group of N number of through hole, and this second group of through hole aligns with the 3rd group of screwed hole of horizontal pars intermedia 321, U-shaped fastening mould 330 is for falling " U " structure, two end has the 4th group of through hole, 4th group of through hole aligns with second group of screwed hole of semi-open jig 320 respectively, the crossbeam 331 of U-shaped fastening mould 330 has first group of N number of vertical tapped through hole, this first group N number of vertical tapped through hole aligns respectively with the 3rd group of N number of through hole, N number of transition nail 35 is through first group of tapped through hole, the tip contact of its bottom and regulating connecting rod 22, the upper portion of transition nail 35 is in first group of screwed hole through hole, lower portion is outside first group of tapped through hole, N number of propelling screw 36 screws in first group of tapped through hole, thrust is applied to transition nail 35, described N is natural number.
One of the present invention utilizes above-mentioned assembling jig to carry out assembly method, steps A to above-mentioned multi link plane tuning block: the assembling jig 30 of assembling assembling multi link plane tuning block 20; Step B: diaphragm 21 and regulating connecting rod 22 are positioned over assembling jig 30; Step C: fastening diaphragm 21 and regulating connecting rod 22 also weld; Step D: the diaphragm 21 welded and regulating connecting rod 22 are taken out from assembling jig 30, and welds with fixed frame 23, complete the assembling of multi link plane tuning block 20.
(3) beneficial effect
As can be seen from technique scheme, the present invention has following beneficial effect:
(1) by integrated for the mechanical tuning device of multiple cavity as a whole, reduce complex structure degree, improve and be welded into power, ensure that structural compactness and the miniaturization of homogeneous tube;
(2) adopt the multi link plane tuning block of kit form, volume is little, compact conformation, is conducive to the miniaturization of device;
(3) multi link plane tuning block carries out reliability detection before being soldered to klystron, higher than multimembrane chip architecture soldering reliability;
(4) for being operated in high-frequency klystron, there is advantage, solving the welding difficult problem that narrow space brings;
(5) adopt the Design of Dies form of semi open model, be convenient to installation and removal, reduce deflection when diaphragm takes out.
Accompanying drawing explanation
Fig. 1 is tuning structure schematic diagram conventional in prior art;
Fig. 2 is the cutaway view according to embodiment of the present invention klystron;
Fig. 3 is the multi link plane tuning block end view of the embodiment of the present invention;
Fig. 4 is the assembling jig figure for assembling multi link plane tuning block of the embodiment of the present invention;
Fig. 5 is the assembling jig cutaway view for assembling multi link plane tuning block of the embodiment of the present invention;
Fig. 6 is the assembly method flow chart of the multi link plane tuning block of the embodiment of the present invention.
[symbol description]
10-klystron;
11-resonant cavity; 12-groove; 13-opening;
20-multi link plane tuning block;
21-diaphragm; 22-regulating connecting rod; 23-fixed frame; 24-through hole;
30-assembling jig;
310-positioning plate; 311-strip boss; 312-boss groove;
The semi-open jig of 320-; The horizontal pars intermedia of 321-; 322-groove;
The trapezoidal briquetting of 34-;
The fastening mould of 330-U type; 331-crossbeam;
35-transition is followed closely; 36-advances screw; 37-first group of trip bolt; 38-second group of trip bolt; 39-the 3rd group of trip bolt.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, below in conjunction with specific embodiment, and with reference to accompanying drawing, the present invention is described in more detail.
The characteristic relation of the resonant cavity 11 of klystron 10 is to the operating characteristic such as power output and bandwidth of operation, and the resonance frequency of resonant cavity 11 is its key properties, and the volume changing resonant cavity 11 can regulate its resonance frequency.The invention provides a kind of multi link plane tuning block and assembling jig thereof and method, by assembling jig assembling multi link plane tuning block, and regulated the resonance frequency of klystron by multi link plane tuning block, thus obtain the klystron meeting designing requirement.
In the first embodiment of the present invention, a kind of multi link plane tuning block 20 is provided.This multi link plane tuning block 20 is as a part for klystron 10 cavity, and the resonant cavity 11 of sealing klystron, regulates the resonance frequency of resonant cavity 11.
As shown in Figure 2, the cavity upper surface of klystron 10 has the groove 12 of a bottom surface level.Inside cavity has N number of transversely arranged resonant cavity 11, and every two adjacent resonant cavitys 11 are through by the through hole on sidewall, form the N number of resonant cavity 11 be interconnected.The bottom surface of groove 12 has N number of opening 13, and each opening 13 is communicated to the end face of corresponding resonant cavity 11 downwards, and namely each resonant cavity 11 is through with outside by the opening 13 on this end face.
As shown in Figures 2 and 3, this multi link plane tuning block 20 comprises diaphragm 21, N number of regulating connecting rod 22 and fixed frame 23.
Fixed frame 23 is the string configuration of bottom surface opening, it can be positioned in the groove 12 of klystron 10 upper surface, the inner surface close contact of its outer surface and this groove 12, its end face has N number of transversely arranged through hole 24, and this N number of through hole 24 lays respectively at directly over N number of resonant cavity 11; With N number of opening 13 one_to_one corresponding.
Diaphragm 21 is strip flake structure, and its shape is identical with size with the shape of fixed frame 23 bottom surface with size, the bottom surface surrounding seal welding of its surrounding and fixed frame 23;
N number of regulating connecting rod 22 passes from the central vertical of N number of through hole 24 respectively, and bottom and the diaphragm 21 of regulating connecting rod 22 weld together.In figs 2 and 3, described N gets 4.
Multi link plane tuning block 20 is positioned in the groove 12 of klystron 10 upper surface, the bottom surface surrounding of fixed frame 23 is closely welded with the bottom surface surrounding of groove 12, N number of through hole 24 correspondence of fixed frame 23 goes out N number of deformable region of diaphragm 21, this N number of deformable region becomes the chamber wall of N number of resonant cavity 11 of the klystron 10 of its correspondence, when N number of regulating connecting rod 22 moves up and down, N number of deformable region generation deformation of diaphragm 21, the frequency characteristic of resonant cavity 11 is changed, and realizes the independent adjustment to N number of resonant cavity 11 frequency.
In the present embodiment, the material of fixed frame 23 and N number of regulating connecting rod 22 is Monel, and diaphragm 21 material is gold.Diaphragm 21 has good sealing and ductility, not only the atmospheric environment outside the vacuum environment in resonant cavity 11 and klystron 10 is isolated, and also achieves resonant cavity 11 frequency adjustment in a big way.The outer adjusting device pulling force of regulating connecting rod 22 transmission or pressure, to diaphragm 21, play a part to form a connecting link.N number of through hole 24 on fixed frame 23, is isolated into N number of deformable region by diaphragm 21, also reserves placement space for N number of regulating connecting rod 22.After the surrounding of fixed frame 23 and klystron 10 seal welding, by the independent adjustment regulating N number of regulating connecting rod 22 to realize N number of resonant cavity 11.
In this enforcement, fixed frame 23 is rectangular structure, or two ends are the class rectangular structure of semicylinder; Diaphragm 21 is rectangle structure, or two ends are the rectangle like structure of semicircle; N number of through hole 24 is rectangular through holes, or two ends are the rectangle like through hole of semicircle; N number of regulating connecting rod 22 for the first half be cylinder, Lower Half is the connecting rod of cuboid; Described N is natural number, and wherein said N gets 4.
In the second embodiment of the present invention, provide a kind of assembling jig of the first embodiment multi link plane tuning block.
This assembling jig 30 as shown in Figures 4 and 5.This assembling jig 30 comprises positioning plate 310, semi-open jig 320, U-shaped fastening mould 330, trapezoidal briquetting 34, N number of transition nail 35 and N number of propelling screw 36.
Positioning plate 310 is string configuration, its four drift angles have first group of screwed hole, its upper surface center position is a strip boss 311, there is a boss groove 312 strip boss 311 center, the shape of this boss groove 312 is identical with size with the shape of diaphragm 21 with size, for limiting diaphragm 21 position;
Semi-open jig 320 is one " H " type structure, the shape of two end is identical with two ends of positioning plate 310 with size, the medium position of two ends has second group of screwed hole, the both sides of two ends have first group of through hole, the two ends of one horizontal pars intermedia 321 are connected with two end winding support of semi-open jig 320 respectively, the upper surface of horizontal pars intermedia 321 aligns with the upper surface of semi-open jig 320 two ends, the former lower surface is higher than the lower surface of the latter, when semi-open jig 320 is positioned over directly over positioning plate 310, two ends of semi-open jig 320 and the justify align of positioning plate 310, first group of through hole of two ends aligns with first group of screwed hole of positioning plate 310, the lower surface of horizontal pars intermedia 321 and the upper surface of positioning plate 310 boss leave certain interval.One side of horizontal pars intermedia 321 has first group of N number of vertical groove 322, and the shape of this first group of groove 322 is identical with size with the shape of regulating connecting rod 22 Lower Half with size, for placing regulating connecting rod 22.The 3rd group of screwed hole is had between the groove between two 322 of horizontal pars intermedia 321.
Trapezoidal briquetting 34 has second group of through hole, one side fits in the semi-open side of jig 320 with groove 322, this side and first group of groove 322 form the 3rd group of N number of through hole, for limiting the position of regulating connecting rod 22, this second group of through hole aligns with the 3rd group of screwed hole of horizontal pars intermedia 321.
U-shaped fastening mould 330 is for falling " U " structure, two end has the 4th group of through hole, 4th group of through hole aligns with second group of screwed hole of semi-open jig 320 respectively, the crossbeam 331 of U-shaped fastening mould 330 has first group of N number of vertical tapped through hole, this first group of N number of tapped through hole aligns respectively with the 3rd group of N number of through hole, N number of transition nail 35 is through first group of tapped through hole, the tip contact of its bottom and regulating connecting rod 22, the crossbeam 331 lower surface height of fastening mould is set, transition is made to follow closely the upper portion of 35 in first group of screwed hole through hole, lower portion is outside first group of tapped through hole, N number of propelling screw 36 screws in first group of tapped through hole, thrust is applied to transition nail 35.
In the present embodiment, described N is natural number, and described N gets 4, the class rectangular structure of positioning plate 310 to be rectangular structure or two ends be semicylinder, boss groove 312 is rectangle or two ends is the rectangle like of semicircle, and trapezoidal briquetting 34 is cube or cross section is trapezoidal column structure.
Utilize the assembling jig of the second embodiment, third embodiment of the invention also proposed a kind of assembly method of the multi link plane tuning block to the first embodiment, specifically comprises:
Steps A: assemble the assembling jig 30 for assembling multi link plane tuning block 20;
Steps A specifically comprises:
Sub-step A1: the first group of trip bolt 37 is put into first group of through hole and screws in first group of screwed hole, positioning plate 310 and semi-open jig 320 is fastenedly connected; And
Sub-step A2: the second group of trip bolt 38 is put into the 4th group of through hole and screws in second group of screwed hole, is fastenedly connected by U-shaped fastening mould 330 with semi-open jig 320.
Step B: diaphragm 21 and regulating connecting rod 22 are positioned over assembling jig 30;
Step B specifically comprises:
Sub-step B1: place diaphragm 21 in the boss groove 312 of positioning plate 310;
The bottom face laser welding metal solder sheet of sub-step B2:N regulating connecting rod 22, be positioned over by regulating connecting rod 22 in first group of groove 322, the bottom face of regulating connecting rod 22 contacts with diaphragm 21; And
Sub-step B3: the three group of trip bolt 39 is put into second group of through hole and screws in the 3rd group of screwed hole, and trapezoidal briquetting 34 is anchored on the side of semi-open jig 320 and compresses regulating connecting rod 22.
Step C: fastening diaphragm 21 and regulating connecting rod 22 also weld;
Step C specifically comprises:
Put into transition nail 35 in sub-step C1: the first group of tapped through hole, transition nail 35 passes tapped through hole, the tip contact of its bottom and regulating connecting rod 22;
Sub-step C2: advance screw 36 to screw in first group of tapped through hole and compress transition nail 35, diaphragm 21 and regulating connecting rod 22 are tightened together; And
Sub-step C3: assembling jig 30 is put into high temperature brazing stove, welding diaphragm 21 and regulating connecting rod 22.
Step D: the diaphragm 21 welded and regulating connecting rod 22 are taken out from assembling jig 30, and welds with fixed frame 23, complete the assembling of multi link plane tuning block 20.
Step D specifically comprises:
Sub-step D1: take off successively and advance screw 36, transition nail 35, U-shaped fastening mould 330 and trapezoidal briquetting 34;
Sub-step D2: the diaphragm 21 welded and regulating connecting rod 22 are taken out from positioning plate 310 and semi-open jig 320; And
Sub-step D3: regulating connecting rod 22 is through the through hole 24 of fixed frame 23, and the bottom surface surrounding of fixed frame 23 is welded with the surrounding of diaphragm 21, completes the assembling of multi link plane tuning block 20.
Wherein, should handle with care when the diaphragm 21 welded and regulating connecting rod 22 are taken out from assembling jig 30, avoid diaphragm 21 significantly deformation.
In the present embodiment, the material of positioning plate 310, semi-open jig 320, U-shaped fastening mould 330 and trapezoidal briquetting 34 is blackout stainless steel, positioning plate 310 is rectangular structure, or two ends are the class rectangular structure of semicylinder, two ends of semi-open jig 320 are rectangular structure, or semicylinder structure, first group of screwed hole is four, second group of screwed hole is two, 3rd group of screwed hole is two, first group of through hole is two, and second group of through hole is two, and the 4th group of through hole is two.Described N is natural number, and wherein said N gets 4.
So far, by reference to the accompanying drawings the present embodiment has been described in detail.Describe according to above, those skilled in the art should have a kind of multi link plane tuning block of the present invention and assembly method and have clearly been familiar with.
It should be noted that, in accompanying drawing or specification text, the implementation not illustrating or describe, is form known to a person of ordinary skill in the art in art, is not described in detail.In addition, the above-mentioned definition to each element is not limited in various concrete structures, shape or the mode mentioned in embodiment, and those of ordinary skill in the art can change simply it or replace, such as:
(1) diaphragm, regulating connecting rod and fixed frame can also adopt the structure of other shapes;
(2) positioning plate, semi-open jig, U-shaped fastening mould and trapezoidal briquetting can also adopt the structure and material of other shapes;
The number of (2) first groups of screwed holes, second group of screwed hole, the 3rd group of screwed hole, first group of through hole, second group of through hole, the 4th group of through hole can be chosen according to actual conditions;
(3) the direction term mentioned in embodiment, such as " on ", D score, "front", "rear", "left", "right" etc., be only the direction with reference to accompanying drawing, be not used for limiting the scope of the invention;
(4) above-described embodiment can based on design and the consideration of reliability, and being mixed with each other collocation uses or uses with other embodiment mix and match, and the technical characteristic namely in different embodiment can freely form more embodiment.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a multi link plane tuning block, it is characterized in that, this multi link plane tuning block (20) is soldered to klystron (10) and becomes a part for klystron (10) cavity, the cavity upper surface of klystron (10) has the groove (12) of a bottom surface level, inside cavity has N number of resonant cavity (11), and it is through that N number of opening (13) is passed through in the bottom surface of groove (12) and the item face of N number of resonant cavity (11);
This multi link plane tuning block (20) comprising: fixed frame (23), diaphragm (21) and N number of regulating connecting rod (22);
The string configuration that fixed frame (23) is bottom surface opening, be positioned in the groove (12) of klystron (10) upper surface, the inner surface close contact of its outer surface and this groove (12), its end face has N number of transversely arranged through hole (24), this N number of transversely arranged through hole (24) lays respectively at directly over N number of resonant cavity (11), with N number of opening (13) one_to_one corresponding;
Diaphragm (21) is strip flake structure, and its shape is identical with size with the shape of fixed frame (23) bottom surface with size, the bottom surface surrounding seal welding of its surrounding and fixed frame (23);
N number of regulating connecting rod (22) passes from the central vertical of N number of through hole (24) respectively, and bottom and the diaphragm (21) of N number of regulating connecting rod (22) weld together, and described N is natural number.
2. multi link plane tuning block according to claim 1, it is characterized in that, multi link plane tuning block (20) is positioned in the groove (12) of klystron (10) upper surface, the bottom surface surrounding of fixed frame (23) is closely welded with the bottom surface surrounding of groove (12), N number of through hole (24) correspondence of fixed frame (23) goes out N number of deformable region of diaphragm (21), this N number of deformable region becomes the chamber wall of N number of resonant cavity (11) of the klystron (10) of its correspondence, N number of regulating connecting rod (22) moves up and down, N number of deformable region generation deformation of diaphragm (21), the frequency characteristic of resonant cavity (11) is changed, the frequency of N number of resonant cavity (11) is regulated separately.
3. multi link plane tuning block according to claim 1, it is characterized in that, described N gets 4, and/or fixed frame (23) for rectangular structure or two ends be the class rectangular structure of semicylinder, and/or N number of through hole (24) for rectangular through holes or two ends be the rectangle like through hole of semicircle, and/or diaphragm (21) for rectangle structure or two ends be the rectangle like structure of semicircle, and/or N number of regulating connecting rod (22) for the first half be cylinder, Lower Half is the connecting rod of cuboid.
4. the assembling jig of an assembling multi link plane tuning block as claimed in claim 1, it is characterized in that, assembling jig (30) comprises positioning plate (310), semi-open jig (320), U-shaped fastening mould (330), trapezoidal briquetting (34), N number of transition nail (35) and N number of propelling screw (36);
Positioning plate (310) is string configuration, its four item angles have first group of screwed hole, its upper surface center position is a strip boss (311), there is a boss groove (312) strip boss (311) center, and the shape of this boss groove (312) is identical with size with the shape of diaphragm (21) with size;
Semi-open jig (320) is one " H " type structure, the medium position of two ends has second group of screwed hole, the both sides of two ends have first group of through hole, the lower surface of horizontal pars intermedia (321) is higher than the lower surface of semi-open jig (320) two ends, one side of horizontal pars intermedia (321) has first group of N number of vertical groove (322), this first group N number of vertical groove (322) has the 3rd group of screwed hole between any two, the shape of this first group N number of vertical groove (322) is identical with size with the shape of regulating connecting rod (22) Lower Half with size,
Trapezoidal briquetting (34) has second group of through hole, one side fits in the side of semi-open jig (320) band groove (322), this side and first group of N number of groove (322) form the 3rd group of N number of through hole, and this second group of through hole aligns with the 3rd group of screwed hole of horizontal pars intermedia (321);
U-shaped fastening mould (330) is for falling " U " structure, two end has the 4th group of through hole, 4th group of through hole aligns with second group of screwed hole of semi-open jig (320) respectively, the crossbeam (331) of U-shaped fastening mould (330) has first group of N number of vertical tapped through hole, this first group N number of vertical tapped through hole aligns respectively with the 3rd group of N number of through hole, N number of transition nail (35) is through first group of tapped through hole, the tip contact of its bottom and regulating connecting rod (22), the upper portion of transition nail (35) is in first group of screwed hole through hole, lower portion is outside first group of tapped through hole, N number of propelling screw (36) screws in first group of tapped through hole, thrust is applied to transition nail (35), described N is natural number.
5. assembling jig according to claim 4, it is characterized in that, described N gets 4, and/or positioning plate (310) for rectangular structure or two ends be the class rectangular structure of semicylinder, and/or boss groove (312) for rectangle or two ends be the rectangle like of semicircle, and/or described trapezoidal briquetting (34) for cube or cross section be trapezoidal column construction.
6. utilize an assembly method for the assembling jig described in claim 4, it is characterized in that,
Steps A: the assembling jig (30) of assembling assembling multi link plane tuning block (20);
Step B: diaphragm (21) and regulating connecting rod (22) are positioned over assembling jig (30);
Step C: fastening diaphragm (21) and regulating connecting rod (22) also weld;
Step D: the diaphragm (21) welded and regulating connecting rod (22) are taken out from assembling jig (30), and welds with fixed frame (23), complete the assembling of multi link plane tuning block (20).
7. assembly method according to claim 6, is characterized in that, described steps A specifically comprises:
Sub-step A1: the first group of trip bolt (37) is put into first group of through hole and screws in first group of screwed hole, positioning plate (310) and semi-open jig (320) is fastenedly connected; And
Sub-step A2: the second group of trip bolt (38) is put into the 4th group of through hole and screws in second group of screwed hole, U-shaped fastening mould (330) and semi-open jig (320) is fastenedly connected.
8. assembly method according to claim 6, is characterized in that, described step B specifically comprises:
Sub-step B1: place diaphragm (21) in the boss groove (312) of positioning plate (310);
The bottom face laser welding metal solder sheet of sub-step B2:N regulating connecting rod (22), be positioned over by regulating connecting rod (22) in first group of groove (322), the bottom face of regulating connecting rod (22) contacts with diaphragm (21); And
Sub-step B3: the three group of trip bolt (39) is put into second group of through hole and screws in the 3rd group of screwed hole, and trapezoidal briquetting (34) is anchored on the side of semi-open jig (320) and compresses regulating connecting rod (22).
9. assembly method according to claim 6, is characterized in that, described step C specifically comprises:
Put into transition nail (35) in sub-step C1: the first group of tapped through hole, transition follows closely (35) through tapped through hole, the tip contact of its bottom and regulating connecting rod (22);
Sub-step C2: advance screw (36) to screw in first group of tapped through hole and compress transition nail (35), diaphragm (21) and regulating connecting rod (22) are tightened together; And
Sub-step C3: assembling jig (30) is put into high temperature brazing stove, welding diaphragm (21) and regulating connecting rod (22).
10. assembly method according to claim 6, is characterized in that, described step D specifically comprises:
Sub-step D1: take off successively and advance screw (36), transition nail (35), U-shaped fastening mould (330) and trapezoidal briquetting (34);
Sub-step D2: the diaphragm (21) welded and regulating connecting rod (22) are taken out from positioning plate (310) and semi-open jig (320); And
Sub-step D3: regulating connecting rod (22) is through the through hole (24) of fixed frame (23), the bottom surface surrounding of fixed frame (23) is welded with the surrounding of diaphragm (21), completes the assembling of multi link plane tuning block (20).
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