CN106763472B - Vibration impact isolator for cassette crystal oscillator and mounting and adjusting method thereof - Google Patents
Vibration impact isolator for cassette crystal oscillator and mounting and adjusting method thereof Download PDFInfo
- Publication number
- CN106763472B CN106763472B CN201710042029.XA CN201710042029A CN106763472B CN 106763472 B CN106763472 B CN 106763472B CN 201710042029 A CN201710042029 A CN 201710042029A CN 106763472 B CN106763472 B CN 106763472B
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- China
- Prior art keywords
- crystal oscillator
- bracket
- damping sleeve
- sleeve
- damping
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- 239000013078 crystal Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 45
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
Abstract
The invention provides a vibration impact isolator for cassette crystal oscillator and an assembling and adjusting method thereof, wherein the vibration impact isolator for cassette crystal oscillator comprises a shell component, a vibration isolation component, a buffer component and a damper component are arranged in the shell component, the vibration isolation component comprises a crystal oscillator bracket for fixing the cassette crystal oscillator, and the periphery of the crystal oscillator bracket is connected with an outer frame through a plurality of vibration isolation springs; the damping assembly comprises a damping sleeve connected with the crystal oscillator bracket, a first buffer pad and insulating clamping rings symmetrically installed around a box-type crystal oscillator central shaft are arranged in the damping sleeve, the upper parts of the insulating clamping rings are in contact with the crystal oscillator bracket, and the lower parts of the insulating clamping rings are connected to the base through the first buffer pad and the damper assembly in sequence. According to the invention, resonance is effectively restrained through the vibration isolation assembly and the damper assembly, the working stability of the crystal oscillator is improved, the impact peak value of strong impact can be reduced below the impact stress value allowed by the crystal oscillator structure, and the crystal oscillator can work normally and stably for a long time.
Description
Technical Field
The invention relates to the field of vibration isolation devices, in particular to a vibration impact isolator for cassette crystal oscillator and an assembling and adjusting method thereof.
Background
The box-type crystal oscillator is a commercial-grade shelf product, cannot bear the conditions of the external intense vibration and impact environment, and can greatly reduce the performance stability and the service life of the box-type crystal oscillator if a corresponding vibration impact isolator is absent under the condition of more frequent vibration and impact.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a vibration impact isolator for a box-type crystal oscillator and an assembling and adjusting method thereof, which effectively inhibit resonance through a vibration isolation assembly and a damper assembly, improve the working stability of the crystal oscillator, reduce the impact peak value of strong impact below the impact stress value allowed by a crystal oscillator structure, and ensure that the crystal oscillator can work normally and stably for a long time.
The invention provides a vibration impact isolator for box-type crystal oscillator, which comprises a shell assembly consisting of an upper cover plate, an outer frame and a base, wherein a vibration isolation assembly, a buffer assembly and a damper assembly are arranged in the shell assembly; the damping assembly comprises a damping sleeve connected with the crystal oscillator bracket, a first cushion pad and insulating clamping rings symmetrically installed around a box-type crystal oscillator central shaft are arranged in the damping sleeve, the upper parts of the insulating clamping rings are contacted with the crystal oscillator bracket, and the lower parts of the insulating clamping rings are connected to the base through the first cushion pad and the damper assembly in sequence; the damping sleeve is provided with a screw sleeve on the outer edge, the bottom of the screw sleeve is fixed with the base, a second cushion pad is arranged between the screw sleeve and the damping sleeve, and an upper gasket and a lower gasket are respectively arranged on the upper portion and the lower portion of the second cushion pad.
The damper assembly comprises a lower sliding sheet, a conical ring, an opening ring, an upper sliding sheet and an adjusting screw screwed into the base, wherein the lower sliding sheet, the conical ring, the opening ring and the upper sliding sheet are sequentially arranged above the center of the base.
The crystal oscillator bracket is provided with a connecting hole connected with the box-type crystal oscillator.
And a crystal oscillator fixing device is arranged between the crystal oscillator bracket and the box-type crystal oscillator, and comprises a fastening screw and a fastening pressing belt.
The invention also provides a method for installing and adjusting the vibration impact isolator for the cassette crystal oscillator, which comprises the following steps:
1) The damping sleeve is placed in the base, and after the sliding sheets, the conical rings, the opening rings and the upper sliding sheets are sequentially placed in the damping sleeve, the adjusting screw is screwed into the center threaded hole of the base;
2) Pressing down a damping sleeve with a certain height on a press machine, measuring damping force Fu, comparing the measured damping force Fu with a preset value [ Fu ], if [ Fu ] > Fu, unscrewing the adjusting screw, otherwise, continuing screwing the adjusting screw;
3) After a lower gasket, a second cushion pad and an upper gasket are sequentially arranged on the outer edge of the damping sleeve from bottom to top, the screw sleeve is sleeved on the outer side of the second cushion pad, and the bottom of the screw sleeve is screwed into the base;
4) A first buffer pad is placed in the damping sleeve, an insulating clamping ring is screwed into the damping sleeve, and then the crystal oscillator bracket is screwed into the damping sleeve until the crystal oscillator bracket contacts with the insulating clamping ring;
5) A plurality of set screws are screwed in the outer frame, the small end of the vibration isolation spring is sleeved in the screws, and the large end of the vibration isolation spring is placed in the crystal oscillator bracket groove;
6) The box-type crystal oscillator is fixed on the crystal oscillator bracket through the connecting hole of the crystal oscillator bracket, and the crystal oscillator fixing device is installed.
The invention has the beneficial effects that:
resonance is effectively restrained through the vibration isolation assembly and the damper assembly, working stability of the crystal oscillator is improved, and phase noise (reaching-20 dB) of a working frequency point is reduced.
Through buffer unit and attenuator subassembly, reduce the impact peak value of strong impact below the impact stress value that the crystal oscillator structure allowed, guarantee that the crystal oscillator can work normally and stably for a long time.
The sealing shell can reliably support all functional components (vibration isolation components, buffer components, damper components and the like) and can improve the electromagnetic interference resistance of the crystal oscillator component.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is O of FIG. 1 1 -O 1 A cross-sectional view.
Description of the embodiments
The invention provides a vibration impact isolator for a cassette crystal oscillator, the whole structure of which is shown in figure 1, and figure 2 is O in figure 1 1 -O 1 A cross-sectional view. The isolator comprises a shell assembly consisting of an upper cover plate E1, an outer frame E2 and a base E3, wherein a vibration isolation assembly, a buffer assembly and a damper assembly are arranged in the shell assembly, the vibration isolation assembly comprises a crystal oscillator bracket A1 for fixing a box-type crystal oscillator, and the periphery of the crystal oscillator bracket A1 is connected with the outer frame E2 through a plurality of vibration isolation springs A2; the damping assembly comprises a damping sleeve C7 connected with a crystal oscillator bracket A1, a first cushion pad C6 and an insulating clamping ring C1 symmetrically installed around a box-type crystal oscillator central shaft are arranged in the damping sleeve C7, the upper part of the insulating clamping ring C1 is contacted with the crystal oscillator bracket A1, and the lower part of the insulating clamping ring C1 is connected to a base E3 through the first cushion pad C6 and the damper assembly in sequence; the outer edge of the damping sleeve C7 is provided with a screw sleeve C2, the bottom of the screw sleeve C2 is fixed with the base E3, and the screw sleeve C2 and the damping sleeve C7A second cushion pad C4 is arranged between the two cushion pads, and an upper cushion pad C3 and a lower cushion pad C5 are respectively arranged above and below the second cushion pad C4.
The damper assembly comprises a lower sliding sheet D3, a conical ring D2, an opening ring D1, an upper sliding sheet D4 and an adjusting screw D5 screwed into the base E3, wherein the lower sliding sheet D3, the conical ring D2, the opening ring D1 and the upper sliding sheet D4 are sequentially arranged above the center of the base E3.
The crystal oscillator bracket A1 is provided with a connecting hole connected with the box-type crystal oscillator.
And a crystal oscillator fixing device is arranged between the crystal oscillator bracket A1 and the box-type crystal oscillator, and comprises a fastening screw B4 and a fastening press belt F1.
The components of the invention are combined and connected by standard connecting screws, and specifically: the vibration isolation spring A2 is connected with the outer frame E2 through a plurality of set screws B1, the base E3 is connected with the outer frame E2 through a base screw B2, the upper cover plate E1 is connected with the outer frame E2 through an upper cover plate screw B3, and the fastening press belt F1 is connected with the crystal oscillator bracket A1 through a fastening screw B4.
The invention also provides a method for installing and adjusting the vibration impact isolator for the cassette crystal oscillator, which comprises the following steps:
1. the damping sleeve C7 is placed in the base E3, and after the sliding sheet D3, the conical ring D2, the opening ring D1 and the upper sliding sheet D4 are sequentially placed in the damping sleeve C7, the adjusting screw D5 is screwed into a central threaded hole of the base E3;
2. pressing down a damping sleeve C7 with a certain height on a press machine, measuring damping force Fu, comparing the measured damping force Fu with a preset value [ Fu ], if [ Fu ] > Fu, unscrewing an adjusting screw D5, otherwise, continuing screwing the adjusting screw D5;
3. after a lower gasket C5, a second cushion pad C4 and an upper gasket C3 are sequentially placed in the outer edge of the damping sleeve C7 from bottom to top, a screw sleeve C2 is sleeved outside the second cushion pad C4, and the bottom of the screw sleeve C2 is screwed into a base E3;
4. a first buffer cushion C6 is placed in the damping sleeve C7, an insulating clamping ring C1 is screwed into the damping sleeve C7, and then a crystal oscillator bracket A1 is screwed into the damping sleeve C7 until the crystal oscillator bracket A1 is in contact with the insulating clamping ring C1;
5. a plurality of set screws B1 are screwed in the outer frame E2, the small end of the vibration isolation spring A2 is sleeved in the screws, and the large end of the vibration isolation spring A2 is placed in a groove of the crystal oscillator bracket A1;
6. the cassette crystal oscillator is fixed on the crystal oscillator bracket A1 through the connecting hole of the crystal oscillator bracket A1, and a crystal oscillator fixing device is installed.
The present invention has been described in terms of the preferred embodiments thereof, and it should be understood by those skilled in the art that various modifications can be made without departing from the principles of the invention, and such modifications should also be considered as being within the scope of the invention.
Claims (2)
1. The utility model provides a box-type vibration impact isolator for crystal oscillator, includes the casing subassembly that comprises upper cover plate (E1), frame (E2) and base (E3), its characterized in that: the vibration isolation assembly comprises a crystal oscillator bracket (A1) for fixing a box-type crystal oscillator, and the periphery of the crystal oscillator bracket (A1) is connected with an outer frame (E2) through a plurality of vibration isolation springs (A2); the damping assembly comprises a damping sleeve (C7) connected with the crystal oscillator bracket (A1), a first buffer pad (C6) and insulating clamping rings (C1) symmetrically installed around a box-type crystal oscillator central shaft are arranged in the damping sleeve (C7), the upper parts of the insulating clamping rings (C1) are contacted with the crystal oscillator bracket (A1), and the lower parts of the insulating clamping rings (C1) are connected to the base (E3) through the first buffer pad (C6) and the damper assembly in sequence; a screw sleeve (C2) is arranged on the outer edge of the damping sleeve (C7), the bottom of the screw sleeve (C2) is fixed with the base (E3), a second buffer pad (C4) is arranged between the screw sleeve (C2) and the damping sleeve (C7), and an upper gasket (C3) and a lower gasket (C5) are respectively arranged on the upper part and the lower part of the second buffer pad (C4); the damper assembly comprises a lower sliding sheet (D3), a conical ring (D2), an opening ring (D1), an upper sliding sheet (D4) and an adjusting screw (D5) screwed into the base (E3) which are sequentially arranged above the center of the base (E3); the crystal oscillator bracket (A1) is provided with a connecting hole connected with the box-type crystal oscillator; a crystal oscillator fixing device is arranged between the crystal oscillator bracket (A1) and the box-type crystal oscillator, and comprises a fastening screw (B4) and a fastening pressing belt (F1).
2. A method for adjusting a vibration impact isolator for a cassette crystal oscillator, using the vibration impact isolator for a cassette crystal oscillator according to claim 1, characterized by comprising the steps of:
1) a damping sleeve (C7) is placed in a base (E3), and after a lower sliding sheet (D3), a conical ring (D2), an opening ring (D1) and an upper sliding sheet (D4) are sequentially placed in the damping sleeve (C7), an adjusting screw (D5) is screwed into a central threaded hole of the base (E3);
2) Pressing down a damping sleeve (C7) with a certain height on a press machine, measuring damping force Fu, comparing the measured damping force Fu with a preset value [ Fu ], if [ Fu ] > Fu, unscrewing an adjusting screw (D5), otherwise, continuing screwing the adjusting screw (D5);
3) After a lower gasket (C5), a second cushion pad (C4) and an upper gasket (C3) are sequentially placed in the outer edge of the damping sleeve (C7) from bottom to top, a screw sleeve (C2) is sleeved on the outer side of the second cushion pad (C4), and the bottom of the screw sleeve (C2) is screwed into a base (E3);
4) A first buffer pad (C6) is placed in the damping sleeve (C7), an insulating clamping ring (C1) is screwed into the damping sleeve (C7), and then a crystal oscillator bracket (A1) is screwed into the damping sleeve (C7) until the crystal oscillator bracket is contacted with the insulating clamping ring (C1);
5) A plurality of set screws (B1) are screwed in the outer frame (E2), the small end of the vibration isolation spring (A2) is sleeved in the set screws (B1), and the large end is placed in a groove of the crystal oscillator bracket (A1);
6) The cassette crystal oscillator is fixed on the crystal oscillator bracket (A1) through the connecting hole of the crystal oscillator bracket (A1), and a crystal oscillator fixing device is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042029.XA CN106763472B (en) | 2017-01-20 | 2017-01-20 | Vibration impact isolator for cassette crystal oscillator and mounting and adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710042029.XA CN106763472B (en) | 2017-01-20 | 2017-01-20 | Vibration impact isolator for cassette crystal oscillator and mounting and adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106763472A CN106763472A (en) | 2017-05-31 |
| CN106763472B true CN106763472B (en) | 2023-11-03 |
Family
ID=58944995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710042029.XA Active CN106763472B (en) | 2017-01-20 | 2017-01-20 | Vibration impact isolator for cassette crystal oscillator and mounting and adjusting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763472B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1457229A (en) * | 2003-06-12 | 2003-11-19 | 季馨 | Nonfrontal module impact resistant vibration isolator |
| US20040244436A1 (en) * | 2003-03-26 | 2004-12-09 | Park Gwan Ryong | Damper mounting structure for washing machine |
| CN201053469Y (en) * | 2007-06-29 | 2008-04-30 | 南京捷诺环境技术有限公司 | Crystal oscillation isolator |
| CN102518741A (en) * | 2011-12-28 | 2012-06-27 | 中国科学技术大学 | Passive low-frequency vibration isolator |
| CN103899704A (en) * | 2014-01-22 | 2014-07-02 | 安徽工程大学 | Damping-adjustable vibration isolation platform with quasi-zero stiffness |
| CN105299114A (en) * | 2015-11-02 | 2016-02-03 | 西安电子科技大学 | Four-freedom-degree parallel-connection oscillation reduction device for crystal oscillator and oscillation reduction method |
| CN205565406U (en) * | 2016-04-18 | 2016-09-07 | 象山逸迪电子科技有限公司 | Outdoor cabinet with arc extinguishing damping device |
| CN106026963A (en) * | 2016-05-13 | 2016-10-12 | 长沙天穹电子科技有限公司 | Crystal oscillator using airbag for shock absorption |
| CN206988360U (en) * | 2017-01-20 | 2018-02-09 | 南京捷诺环境技术有限公司 | Boxlike crystal oscillator vibratory impulse isolator |
-
2017
- 2017-01-20 CN CN201710042029.XA patent/CN106763472B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040244436A1 (en) * | 2003-03-26 | 2004-12-09 | Park Gwan Ryong | Damper mounting structure for washing machine |
| CN1457229A (en) * | 2003-06-12 | 2003-11-19 | 季馨 | Nonfrontal module impact resistant vibration isolator |
| CN201053469Y (en) * | 2007-06-29 | 2008-04-30 | 南京捷诺环境技术有限公司 | Crystal oscillation isolator |
| CN102518741A (en) * | 2011-12-28 | 2012-06-27 | 中国科学技术大学 | Passive low-frequency vibration isolator |
| CN103899704A (en) * | 2014-01-22 | 2014-07-02 | 安徽工程大学 | Damping-adjustable vibration isolation platform with quasi-zero stiffness |
| CN105299114A (en) * | 2015-11-02 | 2016-02-03 | 西安电子科技大学 | Four-freedom-degree parallel-connection oscillation reduction device for crystal oscillator and oscillation reduction method |
| CN205565406U (en) * | 2016-04-18 | 2016-09-07 | 象山逸迪电子科技有限公司 | Outdoor cabinet with arc extinguishing damping device |
| CN106026963A (en) * | 2016-05-13 | 2016-10-12 | 长沙天穹电子科技有限公司 | Crystal oscillator using airbag for shock absorption |
| CN206988360U (en) * | 2017-01-20 | 2018-02-09 | 南京捷诺环境技术有限公司 | Boxlike crystal oscillator vibratory impulse isolator |
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| Publication number | Publication date |
|---|---|
| CN106763472A (en) | 2017-05-31 |
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Address after: 210000 Yongfeng Avenue, Nanjing, Jiangsu Province, No. 9, one floor Applicant after: NANJING JIENUO ENVIRONMENT TECHNOLOGY Co.,Ltd. Address before: Guanghua Road, Baixia District Nanjing city Jiangsu province 210000 No. 1 Baixia High-tech Industrial Park C Building 1 floor Applicant before: NANJING JIENUO ENVIRONMENT TECHNOLOGY Co.,Ltd. |
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