CN109519500B - Vibration isolation and impact resistance device for electrical equipment - Google Patents
Vibration isolation and impact resistance device for electrical equipment Download PDFInfo
- Publication number
- CN109519500B CN109519500B CN201811421473.3A CN201811421473A CN109519500B CN 109519500 B CN109519500 B CN 109519500B CN 201811421473 A CN201811421473 A CN 201811421473A CN 109519500 B CN109519500 B CN 109519500B
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- Prior art keywords
- electrical equipment
- mounting panel
- impact
- cylindrical shell
- vibration isolation
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- 238000002955 isolation Methods 0.000 title claims abstract description 24
- 238000013016 damping Methods 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 11
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 6
- 229910010380 TiNi Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000004636 vulcanized rubber Substances 0.000 claims description 4
- 239000011358 absorbing material Substances 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012360 testing method 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
- F16F15/06—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 with metal springs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an vibration isolation and impact resistance device for electrical equipment, which comprises a composite damping vibration isolator, an impact resistance cylindrical shell layer, an upper mounting panel, a lower mounting panel, a middle partition plate and a limit screw; the anti-impact cylindrical shell layer consists of more than two layers of single cylindrical shells, the cylindrical shells are made of shape memory alloy materials, the anti-impact cylindrical shell layers on the upper layer and the lower layer are respectively and fixedly connected with an upper mounting panel and a lower mounting panel, the adjacent anti-impact cylindrical shell layers are connected together through a middle partition board, one end of the composite damping vibration isolator is connected with the lower mounting panel, the other end of the composite damping vibration isolator is connected with electrical equipment, and the lower mounting panel is connected with an external base; the limiting screw is fixedly connected with the upper mounting panel, and the upper end of the limiting screw stretches into the base of the external electrical equipment and keeps a certain gap with the base of the electrical equipment. The invention can improve the vibration isolation and shock resistance of the electrical equipment so as to meet the design requirements of modularization and openness of the electrical equipment for boats.
Description
Technical Field
The invention belongs to the technical field of vibration isolation and impact resistance of ship equipment, and particularly relates to a vibration isolation and impact resistance device of electrical equipment on a ship.
Background
For ship equipment, with the development of underwater weapons such as missiles, laser bombs and deepwater bombs, explosion equivalent and impact duration are obviously increased, the hit rate of various underwater weapons is greatly improved by accurate computer guidance, and meanwhile, complex ship propulsion, navigation, command and control and weapon systems are caused by continuous improvement of ship electrification, automation and informatization levels, so that the threat of impact such as underwater explosion on modern ship equipment, especially ship-borne electrical equipment, is more serious, and the ship body of the ship is probably not seriously damaged under most conditions, but the ship loses fight force due to excessive damage of the ship-borne equipment, especially electrical equipment. Therefore, the improvement of the impact resistance of the ship-borne equipment, especially the ship-borne electrical equipment, is particularly important.
At present, vibration isolation and impact resistance devices of electrical equipment for ships are mostly specially developed according to the requirements of the military, which can meet the requirements of naval force on equipment quality, reliability and the like to a certain extent, but has great defects, the sealing property of hardware and software structures of the specially developed and developed electronic equipment causes repeated redundant research and development, test and maintenance, and a large amount of infrastructure related to the hardware and software structures is also required to be applied to ensure the operation of the hardware and the software, so that the improvement of equipment operational capability is severely limited, the economy is poor, the environmental adaptability research design is not developed aiming at the application of vessels on commercial electrical equipment, and the design requirements of modularization and openness of the electrical equipment for ships cannot be met.
Disclosure of Invention
In view of the above, the invention provides a vibration isolation and impact resistance device for electrical equipment, which can improve the vibration isolation and impact resistance capability of the electrical equipment so as to meet the design requirements of modularization and openness of the electrical equipment for boats.
An electric equipment vibration isolation and impact resistance device comprises a composite damping vibration isolator, an impact resistance cylindrical shell layer, an upper mounting panel, a lower mounting panel, a middle partition plate and a limit screw,
The anti-impact cylindrical shell layer consists of more than two layers of single cylindrical shells, the cylindrical shells are made of shape memory alloy materials, the upper anti-impact cylindrical shell layer and the lower anti-impact cylindrical shell layer are respectively and fixedly connected with an upper mounting panel and a lower mounting panel, the adjacent anti-impact cylindrical shell layers are connected together through a middle partition plate, one end of the composite damping vibration isolator is connected with the lower mounting panel, the other end of the composite damping vibration isolator is connected with electrical equipment, and the lower mounting panel is connected with an external base; the limiting screw is fixedly connected with the upper mounting panel, and the upper end of the limiting screw stretches into the base of the external electrical equipment and keeps a certain gap with the base of the electrical equipment.
Further, the number of layers of the cylindrical shell is two or more.
Further, tiNi alloy is selected as the material of the cylindrical shell.
Further, the composite damping vibration isolator is a GF1100A composite damping vibration isolator.
Further, when the impact-resistant cylindrical shell layers are two layers, the two layers of cylindrical shells are vertically arranged at an angle of 90 degrees.
Further, the upper mounting panel, the lower mounting panel and the middle partition plate are all made of TC4 titanium alloy plates or plates with vulcanized rubber layers on one sides.
Further, the cylindrical shell is filled with energy absorbing materials.
The beneficial effects are that:
1. The vibration isolation and impact resistance device for the electrical equipment can realize high-efficiency vibration isolation and impact resistance of commercial electrical equipment, not only can ensure the vibration isolation performance of the system under the non-combat environment of the electrical equipment of the boat, but also can ensure the impact resistance of the electrical equipment of the boat under the strong impact environment, solve the environmental applicability problems of vibration impact and the like applied to the boat on the commercial electrical equipment, and meet the design requirements of modularization and openness of the electrical equipment for the boat.
2. The core energy absorption structure is a multi-layer cylindrical shell made of the shape memory alloy material, and the cylindrical shells are arranged in multiple layers in different directions, so that the whole system has the multi-directional impact resistance and energy absorption characteristics, has a self-recovery function, and can resist external repeated impact. The integrated composite damping vibration isolator is a vibration isolating element, and can meet the vibration isolating requirement of electrical equipment under the non-impact environment condition.
Drawings
Fig. 1 is a front view showing the overall structure of the vibration isolation and impact resistance device of the present invention
Fig. 2 is a top view of the overall structure of the vibration isolation and impact device of the present invention
FIG. 3 is a schematic view showing the connection between the vibration isolation and impact resistance device of the present invention and the outside
Wherein, 1-compound damping isolator, 2-upper cylindrical shell, 3-lower cylindrical shell, 4-upper mounting panel, 5-intermediate baffle, 6-lower mounting panel, 7-fixed connecting rod, 8-spacing screw, 9-bolt I, 10-bolt II.
Detailed Description
The invention will now be described in detail by way of example with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention provides a vibration isolation and impact resistance device for electrical equipment,
GF1100A composite damping vibration isolator 1 is coupled to the lower mounting panel 6 (using titanium alloy TC4 plate material, 16mm thick, 1000mm x 500mm in size) by means of bolts and nuts; the lower cylindrical shell 3 (TiNi alloy material, wall thickness 1.0mm, diameter 80mm, length 650 mm) is fixed with the lower mounting panel 6 and the middle partition 5 (titanium alloy TC4 plate, thickness 16mm, size 480 mm x 500 mm) respectively through the fixed connecting rod 7 (composed of vulcanized rubber with diameter 10mm and vulcanized outside the stainless steel rod for 1 mm); the upper layer cylindrical shell 2 (TiNi alloy material, wall thickness 1.0mm, diameter 80mm, length 465 mm) is fixed with the upper mounting panel 4 (titanium alloy TC4 plate, thickness 16mm, size 690mm x 500 mm) and the middle partition plate 5 through the fixed connecting rod 7; the ends of the upper mounting panel 4, the lower mounting panel 6 and the middle partition plate 5 are provided with fixing structures with connecting rods, one end of each fixing connecting rod 7 is provided with threads, and the fixing structures are screwed and fixed with the upper mounting panel 4, the lower mounting panel 6 and the middle partition plate 5 through nuts; the lower part of the limit screw 8 (the specification M24, the length of which is determined according to the size of the electrical equipment base) is connected with the screw hole of the upper mounting panel 4, and the upper and lower positions of the limit screw can be adjusted by screwing the limit screw 8.
The lower mounting panel 6 of the device is connected with an external base through a bolt II 10; the upper part of the GF1100A type composite damping vibration isolator 1 of the device is connected with external electrical equipment through a bolt I9; the upper end of the limit screw rod 8 of the device goes deep into the base of the external electrical equipment and keeps a certain gap with the base of the electrical equipment. See in particular fig. 3.
Preferably, the number of layers of the cylindrical shell is 2, but is not limited to 2 (at least not less than 1).
As a preferable scheme, the cylindrical shell is made of TiNi alloy, but is not limited to the TiNi alloy; other dimensions for the cylindrical shell may also be used.
Preferably, the above-mentioned shock absorber is a GF1100A type composite damping vibration isolator, but not limited to this type shock absorber.
Preferably, the two layers of cylindrical shells are vertically arranged at an angle of 90 degrees, but the arrangement mode is not limited, and the cylindrical shells can be arranged at other angles.
As a preferable scheme, the upper mounting panel, the lower mounting panel and the middle partition plate are all made of TC4 titanium alloy plates, but the materials are not limited, and the plates with vulcanized rubber layers on one side can be adopted; other gauges of thickness may be used for the plate.
As a preferable scheme, the limit screw is used as a limit mechanism of the device, but the limit screw is not limited to be used as the limit mechanism of the device.
As the preferable scheme, a hollow cylindrical shell made of TiNi alloy material is adopted as the energy absorption structure of the device, but the energy absorption structure is not limited to the hollow cylindrical shell, and a solid cylindrical shell filled with light energy absorption materials such as foamed aluminum and the like in the shell can also be adopted as the energy absorption structure of the device.
In summary, the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An electric equipment vibration isolation and impact device is characterized in that the device comprises a composite damping vibration isolator, an impact cylinder shell layer, an upper mounting panel, a lower mounting panel, a middle partition plate and a limit screw,
The anti-impact cylindrical shell layer consists of more than two layers of single cylindrical shells, the cylindrical shells are made of shape memory alloy materials, the upper anti-impact cylindrical shell layer and the lower anti-impact cylindrical shell layer are respectively and fixedly connected with an upper mounting panel and a lower mounting panel, the adjacent anti-impact cylindrical shell layers are connected together through a middle partition plate, one end of the composite damping vibration isolator is connected with the lower mounting panel through bolts and nuts, the other end of the composite damping vibration isolator is connected with electrical equipment, and the lower mounting panel is connected with an external base; the limiting screw is fixedly connected with the upper mounting panel, and the upper end of the limiting screw stretches into the base of the external electrical equipment and keeps a certain gap with the base of the electrical equipment.
2. The vibration isolation and impact resistance device for electrical equipment according to claim 1, wherein the number of layers of the cylindrical shell is two or more.
3. The vibration isolation and impact resistance device for electrical equipment according to claim 1 or 2, wherein the cylindrical shell is made of TiNi alloy.
4. The vibration isolation and impact resistance device for electrical equipment according to claim 3, wherein the composite damping vibration isolator is a GF1100A composite damping vibration isolator.
5. The vibration isolation and impact device for electrical equipment according to claim 4, wherein when the impact cylindrical shell is formed of two layers, the two cylindrical shells are vertically arranged at an angle of 90 °.
6. The vibration isolation and impact resistance device for electrical equipment according to claim 5, wherein the upper mounting panel, the lower mounting panel and the middle partition plate are made of TC4 titanium alloy plates or plates with vulcanized rubber layers on one side.
7. The vibration isolation and impact device for electrical equipment according to claim 6, wherein the cylindrical shell is filled with an energy absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421473.3A CN109519500B (en) | 2018-11-23 | 2018-11-23 | Vibration isolation and impact resistance device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811421473.3A CN109519500B (en) | 2018-11-23 | 2018-11-23 | Vibration isolation and impact resistance device for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519500A CN109519500A (en) | 2019-03-26 |
| CN109519500B true CN109519500B (en) | 2024-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811421473.3A Active CN109519500B (en) | 2018-11-23 | 2018-11-23 | Vibration isolation and impact resistance device for electrical equipment |
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| Country | Link |
|---|---|
| CN (1) | CN109519500B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2537231A1 (en) * | 1982-12-02 | 1984-06-08 | Vibrachoc Sa | Isolating damper, especially for the earthquake-resisting protection of equipment, especially electrical equipment. |
| JP2000009164A (en) * | 1998-06-18 | 2000-01-11 | Nabco Ltd | Disc spring and disc spring device |
| JP2000291730A (en) * | 1999-04-07 | 2000-10-20 | Sumitomo Constr Co Ltd | Quake damping device and quake damping structure |
| CN203023381U (en) * | 2012-12-25 | 2013-06-26 | 重庆市电力公司电力科学研究院 | Structure-borne sound transmission control system based on composite vibration isolation device |
| CN104455189A (en) * | 2014-10-30 | 2015-03-25 | 东南大学 | Three-dimensional isolation support |
| CN104989881A (en) * | 2015-07-08 | 2015-10-21 | 中国船舶重工集团公司第七一九研究所 | Multi-layer vibration isolation and impact prevention pipeline support |
| CN106763475A (en) * | 2015-11-24 | 2017-05-31 | 成都奇航系统集成有限公司 | Array element type vibration isolator |
| CN206309850U (en) * | 2016-12-27 | 2017-07-07 | 北京海月星科技有限公司 | A kind of high-damping double-layer vibration isolating device |
| RU2651395C1 (en) * | 2017-08-04 | 2018-04-19 | Олег Савельевич Кочетов | Vibration isolator with flat springs |
| CN209725088U (en) * | 2018-11-23 | 2019-12-03 | 中国船舶重工集团公司第七一九研究所 | A kind of electrical equipment vibration isolation anti-impact device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8053068B2 (en) * | 2007-03-29 | 2011-11-08 | Kazak Composites, Incorporated | Shape memory alloy composite material shock and vibration isolator devices |
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2018
- 2018-11-23 CN CN201811421473.3A patent/CN109519500B/en active Active
Patent Citations (10)
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|---|---|---|---|---|
| FR2537231A1 (en) * | 1982-12-02 | 1984-06-08 | Vibrachoc Sa | Isolating damper, especially for the earthquake-resisting protection of equipment, especially electrical equipment. |
| JP2000009164A (en) * | 1998-06-18 | 2000-01-11 | Nabco Ltd | Disc spring and disc spring device |
| JP2000291730A (en) * | 1999-04-07 | 2000-10-20 | Sumitomo Constr Co Ltd | Quake damping device and quake damping structure |
| CN203023381U (en) * | 2012-12-25 | 2013-06-26 | 重庆市电力公司电力科学研究院 | Structure-borne sound transmission control system based on composite vibration isolation device |
| CN104455189A (en) * | 2014-10-30 | 2015-03-25 | 东南大学 | Three-dimensional isolation support |
| CN104989881A (en) * | 2015-07-08 | 2015-10-21 | 中国船舶重工集团公司第七一九研究所 | Multi-layer vibration isolation and impact prevention pipeline support |
| CN106763475A (en) * | 2015-11-24 | 2017-05-31 | 成都奇航系统集成有限公司 | Array element type vibration isolator |
| CN206309850U (en) * | 2016-12-27 | 2017-07-07 | 北京海月星科技有限公司 | A kind of high-damping double-layer vibration isolating device |
| RU2651395C1 (en) * | 2017-08-04 | 2018-04-19 | Олег Савельевич Кочетов | Vibration isolator with flat springs |
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| Publication number | Publication date |
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| CN109519500A (en) | 2019-03-26 |
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