CN118408001A - Vibration reduction structure, manufacturing method and crystal oscillator with vibration reduction structure - Google Patents
Vibration reduction structure, manufacturing method and crystal oscillator with vibration reduction structure Download PDFInfo
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- CN118408001A CN118408001A CN202410865177.1A CN202410865177A CN118408001A CN 118408001 A CN118408001 A CN 118408001A CN 202410865177 A CN202410865177 A CN 202410865177A CN 118408001 A CN118408001 A CN 118408001A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
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- 238000003825 pressing Methods 0.000 claims description 8
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
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- 238000004458 analytical method Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Abstract
The invention discloses a vibration reduction structure, a manufacturing method and a crystal oscillator with the vibration reduction structure, wherein the vibration reduction structure comprises two conical columns and a plurality of stranded wire wires; flat bottom holes with the same number as the stranded wire steel wires are uniformly distributed on the conical inclined surface of the conical column along the circumference, and a plurality of top pressure holes corresponding to the flat bottom holes are formed in the large end surface of the conical column; the small end faces of the two conical columns are oppositely arranged in parallel, two ends of the stranded wire are correspondingly inserted into the flat bottom holes of the two conical columns, the bottom faces of the jacking holes are forced to deform by the ejector pin pressure applied to the jacking holes from the outside, and the stranded wire and the conical columns are fixed by riveting. The invention has novel shape, simple manufacture, convenient installation and durability. The method is particularly applied to frequency multiplication crystal oscillators and anti-vibration phase-locked crystal oscillators, greatly reduces the influence on phase noise during dynamic operation, and improves the electrical performance and service life of products.
Description
Technical Field
The invention belongs to the field of electronic machinery, and particularly relates to a vibration reduction structure, a manufacturing method and a crystal oscillator with the vibration reduction structure.
Background
The electromechanical technology is widely applied to the radio frequency microwave industry, and particularly plays a vital role in microwave products such as anti-vibration frequency doubling crystal oscillators, anti-vibration phase-locked crystal oscillators and the like. As technology further advances, microwave communication component crystal oscillators are increasingly requiring higher performance in anti-vibration structures, and frequency-doubled crystal oscillators and anti-vibration phase-locked crystal oscillators are well known as core devices. If the crystal oscillator does not have excellent vibration damping characteristics, vibration impact from active and passive directly affects the working performance of the crystal oscillator, and the phase noise of the product in dynamic working is rapidly deteriorated, so that the expected electrical characteristics of the product cannot be achieved.
Generally, in the prior art, an anti-vibration structure is installed in an anti-vibration crystal oscillator, and the anti-vibration structure comprises a steel wire suspended bridge support, a vibration reduction foam pad, a silica gel filling mode and the like. Most of the supporting modes of the steel wire suspended bridge are non-parametric, basically have no fixed change rule, can follow, and are complicated in design. When designing, the corresponding design data is obtained through complex geometric modeling, interference analysis, finite element analysis simulation and the like, the process of the product is complex, the actual verification of repeated replacement parameters is carried out, and the installation in a space with limited volume is extremely inconvenient.
When the vibration is impacted by external random vibration, the impact from the X, Y, Z axis direction defined by the geometric coordinate system may have an inconstant factor, and the vibration-resistant structure has uneven stress in all directions, so that the electric index is deteriorated. The vibration damping foam pad and the silica gel filling mode are easy to age and lose efficacy in some severe environments, and the vibration damping foam pad and the silica gel filling mode need to be replaced periodically. Therefore, the miniaturization, coordination and balance of vibration impact in all directions of the anti-vibration structure are simple to manufacture and convenient to assemble and disassemble, and are the technical directions of main researches of the current electronic mechanical structure engineers.
Disclosure of Invention
The invention aims to provide a vibration reduction structure, a manufacturing method and a crystal oscillator with the vibration reduction structure, and mainly solves the problems that the space occupation of the vibration-resistant structure of the existing vibration-resistant frequency doubling crystal oscillator, vibration-resistant phase-locked crystal oscillator and the like is large, the design is complicated, and the stress of each direction is unbalanced during vibration impact.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A vibration damping structure comprises two conical columns and a plurality of stranded wire wires; flat bottom holes with the same number as the stranded wire steel wires are uniformly distributed on the conical inclined surface of the conical column along the circumference, and a plurality of top pressure holes corresponding to the flat bottom holes are formed in the large end surface of the conical column; the small end faces of the two conical columns are oppositely arranged in parallel, two ends of the stranded wire are correspondingly inserted into the flat bottom holes of the two conical columns, the bottom faces of the jacking holes are forced to deform by the ejector pin pressure applied to the jacking holes from the outside, and the stranded wire and the conical columns are fixed by riveting.
Further, in the present invention, the bottom surface of the jacking hole maintains a wall thickness in the axial direction with the flat bottom hole of the tapered surface.
Further, in the present invention, the hollow of the flat bottom hole has rounded corners.
Further, in the invention, a screw hole penetrating through the center of the conical column is arranged.
Further, in the present invention, the large end face of the tapered column is provided with a plurality of positioning holes.
A manufacturing method of a vibration reduction structure is used for the vibration reduction structure, and a fixed disc and a plurality of sliding blocks are adopted as manufacturing tools; waist-shaped bosses and threaded holes are uniformly distributed in the fixing disc, the center of the fixing disc is a cylindrical boss, a step hole is formed in the back surface of the center of the cylindrical boss, uniformly distributed small bosses are arranged on the cylindrical boss, and when the fixing is realized by penetrating out of the step hole in the back surface and the central screw hole of the conical column through screws, the small bosses are meshed with the flat bottom hole for positioning; the sliding block is in a fan shape as a whole, and a semicircular notch is formed in the center end part of the fan shape; the sliding block is provided with a counter bore and a waist-shaped hole; the waist-shaped holes are used for the sliding blocks to radially slide towards the circumference at the circle center of the fixed disc through waist-shaped bosses; when the sliding block is in a polymerization fixing state, a screw can pass through a counter bore on the sliding block so as to be fixed on the fixed disk; the manufacturing steps of the vibration reduction structure are as follows:
s1, firstly taking one conical column, penetrating a multi-strand wire into a flat bottom hole on a conical inclined surface of the conical column, using a press tool to align a thimble into a jacking hole on the large end surface of the conical column, applying pressure to force the bottom surface of the jacking hole to deform, and press-riveting and fixing the multi-strand wire and the conical column to finish the rudiment of the vibration reduction structure;
S2, placing a conical column provided with a plurality of stranded wire wires in a press riveting manner on a cylindrical boss at the center of the fixed disc, wherein a small boss on the cylindrical boss corresponds to a positioning hole on the large end face of the conical column, and fixing the conical column by using a screw penetrating through a central screw hole of the conical column from the back of the center of the fixed disc;
S3, uniformly arranging sliding blocks in the fixed disc, wherein waist-shaped holes on the sliding blocks are matched with waist-shaped bosses in the fixed disc, so that a plane kinematic pair of the sliding blocks in a radial form along the center to the circumference of the fixed disc is realized, when the sliding blocks are polymerized, semicircular gaps on two sides of each sliding block force stranded wire wires to be bent upwards for forming, and at the moment, the sliding blocks are fixed in the fixed disc by countersunk screws;
S4, taking another conical column, placing the small end face downwards at the center of the tip end of the sliding block uniformly distributed and fixed on the fixed disc, penetrating a plurality of stranded wire wires into a flat bottom hole on a conical inclined surface of the conical column, using a press again, aligning a thimble into a flat bottom hole on the large end face of the conical column, applying pressure to force the bottom face of the jacking hole to deform, and press-riveting and fixing the stranded wire wires and the conical column; thus, the vibration reduction structure is manufactured; and at the moment, the fixing screw on the sliding block is taken down, and the vibration reduction structure can be taken out.
A crystal oscillator comprising a plurality of the vibration reduction structures; the vibration reduction structure is arranged on a vibration reduction supporting plate of the crystal oscillator through a screw.
Compared with the prior art, the invention has the following beneficial effects:
(1) According to the invention, the stranded wire is uniformly arranged on the circumference of the conical column, and the two ends of the stranded wire are arranged in the inclined plane of the conical column, so that an included angle exists in the normal direction, and the vibration impact from the X, Y, Z shaft is effectively balanced, decomposed and released, and the space and the volume are effectively saved.
(2) The invention has novel shape, simple manufacture, convenient installation and durability. The method is particularly applied to frequency multiplication crystal oscillators and anti-vibration phase-locked crystal oscillators, greatly reduces the influence on phase noise during dynamic operation, and improves the electrical performance and service life of products.
Drawings
Fig. 1 is a schematic view of a vibration damping structure of the present invention.
FIG. 2 is a schematic cross-sectional view of a tapered column according to the present invention.
Fig. 3 is a schematic diagram of the front structure of the tapered column of the present invention.
Fig. 4 is a schematic perspective view of a fixing plate according to the present invention.
Fig. 5 is a schematic top view of the fixing plate of the present invention.
Fig. 6 is a schematic cross-sectional structure of fig. 5.
Fig. 7 is a schematic perspective view of a slider according to the present invention.
Fig. 8 is a schematic top view of a slider according to the present invention.
FIG. 9 is a schematic cross-sectional view of a slider according to the present invention.
FIG. 10 is a schematic diagram of a slider and disk assembly according to the present invention.
FIG. 11 is a schematic view of a part of the slider separated from the fixed disk in the present invention.
Fig. 12 is a schematic structural view of an oscillator having the vibration damping structure of the present invention.
Wherein, the names corresponding to the reference numerals are:
The device comprises a 1-conical column, a 2-stranded wire, a 3-flat bottom hole, a 4-top pressure hole, a 5-screw hole, a 6-positioning hole, a 7-fixed disk, an 8-slider, a 9-kidney-shaped boss, a 10-screw hole, an 11-cylindrical boss, a 12-step hole, a 13-small boss, a 14-semicircle notch, a 15-counter bore, a 16-kidney-shaped hole, a 17-crystal oscillator and an 18-vibration reduction supporting plate.
Detailed Description
The invention will be further illustrated by the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1 to 12, the vibration damping structure disclosed by the invention comprises two conical columns 1 and a plurality of stranded wire steel wires 2; the conical inclined surface of the conical column 1 is uniformly provided with flat bottom holes 3 with the same number as the stranded wire wires 2 along the circumference, and the large end surface of the conical column 1 is provided with a plurality of jacking holes 4 corresponding to the positions of the flat bottom holes 3; the small end faces of the two conical columns 1 are oppositely arranged in parallel, two ends of a plurality of stranded wire steel wires 2 are correspondingly inserted into the flat bottom holes 3 of the two conical columns 1, and the bottom surfaces of the jacking holes 4 are forced to deform through thimble pressure applied to the jacking holes 4 from the outside, so that the stranded wire steel wires 2 and the conical columns 1 are fixed through riveting.
In this embodiment, the tapered column may be made of a medium strength aluminum alloy material, and has a yield strength of about 210-240Mpa, which may satisfy the deformation by pressing. The turning, milling, drilling and tapping mixed cutting processing technology is adopted, so that the processing difficulty is low and the implementation is easy. As shown in fig. 3, 8 flat bottom holes 3 are uniformly distributed on the conical surface of the conical column of the aluminum alloy along the circumference, the aperture requirement meets the requirement that the stranded wire can be installed, and the hole opening is subjected to chamfering treatment, the flat bottom holes 3 are kept in vertical relation with the conical inclined surface, namely 90 degrees, and the characteristic effectively avoids friction at the hole opening in the vibration process of the stranded wire, so that the situation that the stranded wire is broken and damaged due to abrasion and impact is avoided. The large end face of the conical column corresponds to the position of the flat bottom hole 3, 8 uniformly distributed jacking holes 4 are designed, a certain wall thickness exists between the bottom surface of the jacking holes 4 and the flat bottom hole 3 of the conical surface in the axial direction, when the stranded wire steel wire is arranged in the flat bottom hole 3 of the conical surface, the thimble pressure F applied to the jacking holes 4 from the outside forces the bottom surface of the jacking holes 4 to deform, and the stranded wire steel wire 2 and the conical column 1 are fixed by riveting.
In this embodiment, two tapered posts 1 are used, and the small end faces of the tapered posts 1 are parallel and opposite. The space height of the vibration reduction structure is the vertical distance dimension of the parallel opposite surfaces plus 2 conical column heights. The height is as the flat bottom holes 3 are formed on the conical inclined planes, and the section analysis shows that the center lines of the flat bottom holes 3 of the inclined planes of the two conical columns 1 form a certain included angle, and the vibration impulse from the Z axial direction is decomposed and released to a certain extent through the analysis of the engineering mechanics principle, so that better vibration reduction characteristics are achieved, and the space volume size of the vibration reduction structure is effectively reduced when the stranded wire steel wires 2 are bent and formed;
In this embodiment, the center of the cone column 1 is designed as a screw hole 5, which can be used for installing the vibration reduction structure in the use environment; because of the fixed time of center screw installation, but there is radial rotation condition, has designed 8 locating holes 6 again at the big terminal surface of toper post, and external backup pad installation damping structure time, external backup pad corresponds locating hole 6 position and can design the projection, projection and locating hole 6 meshing location, can guarantee the damping structure of this embodiment can not appear radial rotation's condition when the installation of service environment is fixed.
As shown in fig. 4 to 9, the vibration damping structure adopts a fixed disk 7 and a sliding block 8 as main manufacturing tools. The fixed disk 7 and the sliding block 8 are formed by mechanically cutting brass materials, have certain weight and strength, are not easy to displace on a working surface during manufacturing, and also effectively support external force F for jacking. And 8 waist-shaped bosses 9 are uniformly distributed in the fixed disk 7, the waist-shaped bosses 9 are mainly used for uniformly distributing and placing the sliding blocks 8, the characteristic of waist-shaped holes can realize radial sliding of the sliding blocks in the circle center of the fixed disk 7 to the circumference, threaded holes 10 are uniformly distributed in the fixed disk 7, and when the sliding blocks 8 are in a polymerization fixed state, screws can penetrate through counter bores 15 on the sliding blocks 8, so that the sliding blocks are fixed on the fixed disk 7. The center of the fixed disk 7 is provided with a cylindrical boss 11, the height of the cylindrical boss 11 is set to be H2, the back of the center of the cylindrical boss 11 is provided with a step hole 12, small bosses 13 which are uniformly distributed are designed on the cylindrical boss 11, and when the screw passes out of the step hole 12 on the back to be fixed with the central screw hole 5 of the conical column 1, the small bosses 13 are meshed with the positioning holes 6 to be positioned, so that the reliable fixation in the process of a workpiece is realized.
As shown in fig. 10 and 11, in the process of the workpiece, 8 sliding blocks 8 are adopted for positioning, waist-shaped holes 16 are designed on the sliding blocks 8 and correspondingly matched with waist-shaped bosses 9 in the fixed disk 7, and the length dimension of the waist-shaped holes 16 is based on the length of the waist-shaped bosses 9 and the sliding distance, so that the distance can meet the loading and unloading requirements of the vibration reduction structure; simultaneously, a counter bore 15 is designed on the sliding block 8, and countersunk screws can penetrate through the counter bore 15 so as to be screwed into the threaded holes 10 in the fixed disc 7 to realize fixation; the dimensions H1 and H2 of the characteristic of the tip end part of the sliding block 8 are set, the characteristic H1 of the tip end part of the sliding block 8 realizes the support of the upper conical column 1 and the lower conical column 1 based on the tolerance fit design of the H1 and the H2 respectively, and the specific dimension of the characteristic H1 is determined according to the height of the application environment. The two sides of the sliding block 8 are provided with semicircular notches 14 for bending and forming the stranded wire steel wires 2, the vertical dimension of the step at the notch is half of the wire diameter of the stranded wire steel wires, when the sliding blocks 8 are polymerized, the notches with the same wire diameter of the stranded wire steel wires are formed between the adjacent sliding blocks, the displacement of the stranded wire steel wires 2 can be effectively limited, the bending deformation of each stranded wire steel wire is ensured to be consistent, and the vibration impact balanced distribution from the X, Y axial plane is realized.
The specific work-piece steps of the vibration reduction structure are as follows:
a. Firstly, the equal-length cutting of 8 sections is finished by a cutting machine, and the cutting surface is flat and free from dispersion, so that the subsequent manufacturing is convenient. Taking one of the conical columns 1, penetrating the stranded wire 2 into a flat bottom hole 3 on the conical inclined surface of the conical column 1, using a press machine or a similar tool, aligning a thimble into a jacking hole 4 on the large end surface of the conical column, applying pressure F to force the bottom surface of the jacking hole 4 to deform, and press-riveting and fixing the stranded wire 2 and the conical column 1, thereby completing the prototype of the vibration reduction structure.
B. And then the conical column 1 provided with the stranded wire steel wires 2 by riveting is placed on a cylindrical boss 11 at the center of the fixed disc 7, a small boss 13 on the cylindrical boss 11 corresponds to the flat bottom hole 3 at the large end of the conical column, and the conical column 1 is fixed by passing through a screw hole 5 at the center of the conical column 1 from the back of the center of the fixed disc 7 through a screw, as shown in fig. 10.
C. the sliders 8 are uniformly distributed in the fixed disk 7, waist-shaped holes 16 on the sliders 8 are matched with waist-shaped bosses 9 in the fixed disk 7, so that a plane kinematic pair of the sliders 8 in a radial form along the center of the fixed disk to the circumference is realized, when the sliders 8 are polymerized, semicircular notches 14 on two sides of each slider 8 force stranded wire 2 to be bent upwards to be formed, and at the moment, the sliders are fixed in the fixed disk by countersunk screws, as shown in fig. 10.
D. And then another conical column 1 is taken, the small end face is downward and placed at the center of the tip end of the sliding block uniformly distributed and fixed on the fixed disc, at the moment, the sliding block is supported by the upper surface of the H1 face, a plurality of stranded wire wires are penetrated into a flat bottom hole 3 on the conical inclined surface of the conical column, a press machine or a similar tool is used again, a thimble is aligned to a jacking hole 4 on the large end face of the conical column, pressure F is applied, the bottom face of the jacking hole 4 is forced to deform, and the stranded wire wires and the conical column are fixed in a riveting mode, as shown in figure 10. Thus, the vibration damping structure of the present invention is completed. At this time, the fixing screw on the slider is removed, and the vibration damping structure of the present invention can be removed as shown in fig. 1.
As shown in fig. 12, the vibration damping structure manufactured by the present invention is mounted on the vibration damping support plate 18 of a frequency doubling crystal oscillator 17 by screws, 8 in total. The nominal frequency of the frequency doubling crystal oscillator is 100MHz and 800MHz respectively. When the frequency multiplication crystal oscillator with the vibration reduction structure manufactured by the invention is clamped on a vibration instrument, the vibration condition is based on the following table requirements, a random vibration test is carried out, dynamic test is carried out, the worst value of X, Y, Z triaxial values is taken, and the result is shown in the following table 1:
table 1 random vibration test results table
As can be seen from the above table, the dynamic phase noise meets the conventional frequency doubling crystal oscillator index.
Through the design, the stranded wire is uniformly arranged on the circumference of the conical column, and the two ends of the stranded wire are arranged in the inclined plane of the conical column, so that an included angle exists in the normal direction of the inclined plane of the conical column, the vibration impact from the X, Y, Z shaft is effectively balanced, decomposed and released, and the space and the volume are effectively saved.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or color changes made in the main design concept and spirit of the present invention are still consistent with the present invention, and all the technical problems to be solved are included in the scope of the present invention.
Claims (7)
1. The vibration reduction structure is characterized by comprising two conical columns (1) and a plurality of stranded wire wires (2); the conical inclined surface of the conical column (1) is uniformly provided with flat bottom holes (3) with the same number as the stranded wire wires (2) along the circumference, and the large end surface of the conical column (1) is provided with a plurality of jacking holes (4) corresponding to the flat bottom holes (3); the small end faces of the two conical columns (1) are oppositely arranged in parallel, two ends of the stranded wire (2) are correspondingly inserted into the flat bottom holes (3) of the two conical columns (1) and force the bottom surfaces of the jacking holes (4) to deform through thimble pressure applied to the jacking holes (4) from the outside, and the stranded wire (2) and the conical columns (1) are fixed through riveting.
2. A vibration damping structure according to claim 1, characterized in that the bottom surface of the pressing hole (4) remains axially thick with the flat bottom hole (3) of the conical surface.
3. A vibration damping structure according to claim 2, characterized in that the hollow of the flat bottom hole (3) has rounded corners.
4. A vibration damping structure according to claim 3, characterized in that the center of the conical pillar (1) is provided with a screw hole (5) passing through.
5. A vibration damping structure according to claim 4, characterized in that the large end face of the conical pillar (1) is provided with a plurality of positioning holes (6).
6. A method for manufacturing a vibration damping structure according to any one of claims 1 to 5, characterized in that a fixed disk (7) and a plurality of sliders (8) are used as manufacturing tools; waist-shaped bosses (9) and threaded holes (10) are uniformly distributed in the fixed disc (7), the center of the fixed disc (7) is provided with a cylindrical boss (11), the back of the center of the cylindrical boss (11) is provided with a step hole (12), small bosses (13) are uniformly distributed on the cylindrical boss (11), and when the small bosses (13) penetrate out of the back step hole (12) through screws to be fixed with the central threaded holes (5) of the conical column (1), the small bosses (13) are meshed with the flat bottom holes (3); the sliding block (8) is in a fan shape as a whole, and a semicircular notch (14) is arranged at the center end part of the fan shape; a counter bore (15) and a waist-shaped hole (16) are formed in the sliding block (8); the waist-shaped hole (16) is used for the sliding block (8) to radially slide towards the circumference at the center of the fixed disc (7) through the waist-shaped boss (9); when the sliding block (8) is in a polymerization fixing state, a screw can pass through a counter bore (15) on the sliding block (8) so as to be fixed on the fixed disk (7); the manufacturing steps of the vibration reduction structure are as follows:
S1, firstly taking one conical column (1), penetrating a plurality of stranded wire wires (2) into a flat bottom hole (3) on a conical inclined surface of the conical column (1), using a press tool, aligning a thimble into a jacking hole (4) on the large end surface of the conical column (1), applying pressure to force the bottom surface of the jacking hole (4) to deform, and pressing and riveting the stranded wire wires (2) and the conical column (1) to fix, so that the rudiment of the vibration reduction structure is completed;
S2, placing the conical column (1) provided with the stranded wire (2) by press riveting on a cylindrical boss (11) at the center of a fixed disc (7), wherein a small boss (13) on the cylindrical boss (11) corresponds to a positioning hole (6) on the large end face of the conical column (1), and fixing by using a screw penetrating through a central screw hole (5) of the conical column (1) from the back of the center of the fixed disc (7);
S3, uniformly arranging sliding blocks (8) in the fixed disc (7), wherein waist-shaped holes (16) on the sliding blocks (8) are matched with waist-shaped bosses (9) in the fixed disc (7), so that a plane kinematic pair of the sliding blocks (8) in a radial form along the center of the fixed disc (7) to the circumference is realized, when the sliding blocks (8) are polymerized, semicircular gaps (14) on two sides of each sliding block (8) force stranded wire wires (2) to be bent upwards for forming, and at the moment, the sliding blocks (8) are fixed in the fixed disc (7) by countersunk screws;
s4, taking another conical column (1), placing the small end face downwards at the center of the tip end of a sliding block (8) uniformly distributed and fixed on a fixed disc (7), penetrating a plurality of stranded wire wires (2) into a flat bottom hole (3) on a conical inclined surface of the conical column (1), using a press again, aligning a thimble into the flat bottom hole (3) on the large end face of the conical column (1), applying pressure, forcing the bottom surface of a jacking hole (4) to deform, and press-riveting and fixing the stranded wire wires (2) and the conical column (1); thus, the vibration reduction structure is manufactured; and at the moment, the fixing screw on the sliding block is taken down, and the vibration reduction structure can be taken out.
7. A crystal oscillator, characterized by comprising a plurality of vibration damping structures according to any one of claims 1 to 5; the vibration damping structure is mounted on a vibration damping supporting plate (18) of the crystal oscillator (17) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410865177.1A CN118408001B (en) | 2024-07-01 | Vibration reduction structure, manufacturing method and crystal oscillator with vibration reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410865177.1A CN118408001B (en) | 2024-07-01 | Vibration reduction structure, manufacturing method and crystal oscillator with vibration reduction structure |
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| CN118408001A true CN118408001A (en) | 2024-07-30 |
| CN118408001B CN118408001B (en) | 2024-09-24 |
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