CN114909430B - Airbag type intelligent shock isolation system and control method thereof - Google Patents
Airbag type intelligent shock isolation system and control method thereof Download PDFInfo
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- CN114909430B CN114909430B CN202210541707.8A CN202210541707A CN114909430B CN 114909430 B CN114909430 B CN 114909430B CN 202210541707 A CN202210541707 A CN 202210541707A CN 114909430 B CN114909430 B CN 114909430B
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- 230000035939 shock Effects 0.000 title claims abstract description 134
- 238000002955 isolation Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000001133 acceleration Effects 0.000 claims description 19
- 239000002689 soil Substances 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 7
- 230000010349 pulsation Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 4
- 238000011217 control strategy Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
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- 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
-
- 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
- F16F15/022—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 dampers and springs in combination
-
- 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
- F16F15/023—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 fluid means
- F16F15/0232—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 fluid means with at least one gas spring
-
- 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
- F16F15/023—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 fluid means
- F16F15/027—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 fluid means comprising control arrangements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides an air bag type intelligent shock isolation system which comprises a steel wire rope shock isolator, a horizontal shock isolation air bag, a vertical shock isolation air bag, a detection control device and a floor arranged above hardened ground, wherein the steel wire rope shock isolator is uniformly distributed at the bottom of the floor, the horizontal shock isolation air bag is arranged between the side surface of the floor and a wall, the vertical shock isolation air bag is arranged between the floor and the ground, and low-pressure gas is pre-filled in the vertical shock isolation air bag; the horizontal shock insulation air bag and the vertical shock insulation air bag are both connected with the monitoring control device. The invention can cope with multi-category strong dynamic load, improve the shock insulation performance of the existing steel wire rope shock insulation system, reduce the tension vibration of the steel wire rope shock isolator and enhance the shock insulation capability of the underground protection engineering shock insulation system by referencing the shock absorption concept of the automobile safety air bag and simultaneously having the intelligent functions of actively monitoring the working environment, qualitatively identifying the strong dynamic load category and autonomously judging whether the shock insulation air bag needs to be detonated.
Description
Technical Field
The invention relates to engineering vibration prevention and isolation technology, in particular to protection engineering vibration prevention technology capable of resisting multi-category strong dynamic loads, and specifically relates to an air bag type intelligent vibration isolation system and a control method thereof.
Background
The steel wire rope shock isolator has become a research hot spot for controlling explosion impact vibration due to its excellent shock isolation performance. A large number of theoretical analysis and experimental research show that the steel wire rope shock isolator has the advantages of large bearing capacity, soft rigidity in the yield stage, moderate damping, full hysteresis curve and the like, and is widely applied to the field of protection engineering. Generally, the top and bottom clamping plates of the wire rope shock absorber are fixedly connected during use. Thus, the vibration phenomenon thereof is represented as a reciprocating cycle process of tension and compression. However, the tensile stiffness hardening characteristics of the wire rope shock isolator make it have an amplifying effect on the transmission of shock waves during the tensile phase of the shock. Therefore, the whole steel wire rope shock isolation system formed by the steel wire rope shock isolator and the shock isolation floor is optimized, tension vibration of the steel wire rope shock isolator is reduced or avoided, and the shock isolation performance of the steel wire rope shock isolator is improved.
Furthermore, since the shock insulators studied in the prior publications are typically designed based on some type of dynamic load, such as: naturally, vibration occurs, so that it is generally only suitable for the isolation of a certain type of strong dynamic load. However, for underground protection projects that are subject to natural and explosive vibration, existing shock isolators are clearly unable to meet the engineering shock isolation requirements under multiple types of strong dynamic loads (e.g., natural vibration, explosive vibration, environmental ground pulsations, etc.). Therefore, an intelligent shock isolation system with a wider shock isolation spectrum range and capable of coping with multi-category strong dynamic load is urgently needed to be studied.
Disclosure of Invention
Aiming at the problems in the background technology, the invention aims to provide an air bag type intelligent shock isolation system and a control method thereof, which can deal with multi-category strong dynamic loads by referring to the shock absorption concept of an automobile safety air bag, and simultaneously have the intelligent functions of actively monitoring the working environment, qualitatively identifying the type of the strong dynamic loads and autonomously judging whether the shock isolation air bag needs to be detonated or not, can improve the shock isolation performance of the existing steel wire rope shock isolation system, reduce the tension vibration of the steel wire rope shock isolator, and enhance the capability of the underground protection engineering shock isolation system to deal with the multi-category strong dynamic loads.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an air bag type intelligent shock isolation system comprises a steel wire rope shock isolator, a horizontal shock isolation air bag, a vertical shock isolation air bag, a detection control device and a floor arranged above a hardened ground, wherein the steel wire rope shock isolator is uniformly distributed at the bottom of the floor, the top of the steel wire rope shock isolator is fixedly connected with the floor, and the bottom of the steel wire rope shock isolator is not connected with the ground;
the horizontal shock insulation air bag is arranged between the side surface of the floor and the wall and is used for horizontally insulating shock; the vertical shock insulation air bag is arranged between the floor and the ground and is used for shock insulation in the vertical direction; the vertical shock insulation air bag is pre-filled with low-pressure gas, the pre-filled low-pressure gas is used for improving the speed of the air bag during the intervention shock insulation process, and the impact force and the additional acceleration generated during the air bag initiation process are reduced;
the monitoring control device comprises a controller, a displacement sensor for detecting the steel wire rope shock isolator and a rock-soil sensor buried under the ground, wherein the monitoring control device is connected with a driving system, and the driving system is used for respectively driving the horizontal shock isolation air bag and the vertical shock isolation air bag.
The horizontal shock insulation air bag is a single-curved shock insulation air bag, and is provided with an inflation cavity, and the axis of the inflation cavity is horizontally arranged.
The vertical shock insulation air bag is a hyperbolic shock insulation air bag, and is provided with two communicated inflation cavities, and the axes of the two inflation cavities are collinear and vertically arranged.
Limiting pier columns are arranged around the bottom clamping plates of the steel wire rope shock isolator and used for limiting the vertical moving direction of the steel wire rope shock isolator.
The displacement sensor is arranged on one side of the steel wire rope shock isolator and is used for detecting the displacement height of the clamping plate at the bottom of the steel wire rope shock isolator.
The rock-soil sensor is a piezoelectric sensor and is used for monitoring acceleration of rock-soil when the rock-soil is subjected to impact vibration.
The invention also provides a control method of the air bag type intelligent shock isolation system, which comprises the following steps:
step 1, the system monitors impact vibration of the external environment and judges the vibration type according to the acquired impact vibration information; the method comprises the following steps: when the acceleration peak value in the vertical direction exceeds a preset threshold value, judging that the explosion impact vibration occurs; when the acceleration peak value in the horizontal direction exceeds a set threshold value, judging that the natural vibration exists; when the vertical acceleration peak value and the horizontal acceleration peak value do not exceed the set threshold value, the ground pulsation is judged;
step 2, the system adopts different control strategies according to different vibration types, and the method is as follows:
when the vibration type is explosion impact vibration, the horizontal vibration isolation air bags are not detonated, and if the bottom clamping plate of the steel wire vibration isolator moves upwards to a preset height, the vertical vibration isolation air bags are detonated, and all loads are borne by the vertical vibration isolation air bags; otherwise, the vertical shock isolation air bags are not detonated, and all loads are borne by the steel wire rope shock isolator;
when the vibration type is natural earthquake, the vertical vibration isolation air bags are not detonated, and only the horizontal vibration isolation air bags are detonated;
when the vibration type is the ground pulsation, the vertical vibration isolation air bags and the horizontal vibration isolation air bags are not detonated.
The invention has the beneficial effects that: the invention can cope with multi-category strong dynamic load, improve the shock insulation performance of the existing steel wire rope shock insulation system, reduce the tension vibration of the steel wire rope shock isolator and enhance the shock insulation capability of the underground protection engineering shock insulation system by referencing the shock absorption concept of the automobile safety air bag and simultaneously having the intelligent functions of actively monitoring the working environment, qualitatively identifying the strong dynamic load category and autonomously judging whether the shock insulation air bag needs to be detonated.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
FIG. 2 is a flow chart of a control method of the present invention.
Fig. 3 is a schematic diagram of connection of the detection control device.
In the figure: 1. the rock-soil sensor, 2, horizontal shock insulation air bags, 3, vertical shock insulation air bags, 4, a steel wire rope shock isolator, 5, a controller, 6, a driving system, 7, the ground, 8, a limiting pier, 9, the floor, 10, a wall, 11, a rock-soil medium, 12, a displacement sensor, 401 and a bottom clamping plate.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 and 3, the air bag type intelligent shock isolation system comprises a steel wire rope shock isolator 4, a horizontal shock isolation air bag 2, a vertical shock isolation air bag 3, a detection control device and a floor 9 arranged above a hardened ground 7, wherein the steel wire rope shock isolator 4 is uniformly distributed at the bottom of the floor 9, the top of the steel wire rope shock isolator 4 is fixedly connected with the floor 9, and the bottom is not connected with the ground 7; in one embodiment of the invention, the ground 7 is a concrete ground, the floor 9 is also a floor made of concrete, the top clamping plate of the steel wire rope shock absorber 4 is fixedly connected with the bottom surface of the floor 9, the bottom clamping plate 401 is placed on the ground 7 but not connected with the ground 7, and at the moment, the steel wire rope shock absorber 4 plays a role of supporting the floor 9;
the horizontal shock insulation air bag 2 is arranged between the side surface of the floor 9 and the wall 10 and is used for horizontally isolating shock;
the vertical shock insulation air bag 3 is arranged between the floor 9 and the ground 7 and is used for shock insulation in the vertical direction; the vertical vibration isolation air bag 3 is pre-filled with low-pressure gas, in one embodiment of the invention, the low-pressure gas is nitrogen, and after the pre-filling, the bag of the vertical vibration isolation air bag 3 is in a semi-unfolding state for a long time, so that the speed of the air bag in the process of intervening vibration isolation can be increased, and the impact force and the additional acceleration generated in the air bag initiation process can be reduced;
the horizontal vibration isolation air bag 2 and the vertical vibration isolation air bag 3 are connected with a monitoring control device, the monitoring control device comprises a controller 5, a displacement sensor 12 for detecting a steel wire rope vibration isolator 4 and a rock-soil sensor 1 buried under the ground, the monitoring control device is connected with a driving system 6, and the driving system 6 is used for respectively driving the horizontal vibration isolation air bag 2 and the vertical vibration isolation air bag 3. Specifically, the driving system 6 is connected to the gas generator of each air bag, and the connection and driving principle between the driving system 6 and the driving gas generator are known techniques and will not be described herein.
The horizontal shock insulation air bag 2 is a single-curved shock insulation air bag, and is provided with an inflation cavity, and the axis of the inflation cavity is horizontally arranged.
The vertical shock insulation air bag 3 is a hyperbolic shock insulation air bag, and is provided with two communicated inflation cavities, and the axes of the two inflation cavities are collinear and vertically arranged. The structure of the hyperbolic shock insulation air bag is also set to reduce the impact force and the additional acceleration generated in the air bag initiation process.
Limiting pier columns 8 are arranged around the bottom clamping plates 401 of the steel wire rope shock absorber 4 and used for limiting the vertical moving direction of the steel wire rope shock absorber 4.
The displacement sensor 12 is arranged at one side of the wire rope shock absorber 4 and is used for detecting the displacement height of the clamping plate 401 at the bottom of the wire rope shock absorber 4.
The rock-soil sensor 1 is a piezoelectric sensor and is used for monitoring acceleration of rock-soil when the rock-soil is subjected to impact vibration.
The invention also provides a control method of the air bag type intelligent shock isolation system, which comprises the following steps:
step 1, the system monitors impact vibration of the external environment and judges the vibration type according to the acquired impact vibration information; the method comprises the following steps: when the acceleration peak value in the vertical direction exceeds a preset threshold value, judging that the explosion impact vibration occurs; when the acceleration peak value in the horizontal direction exceeds a set threshold value, judging that the natural vibration exists; when the vertical acceleration peak value and the horizontal acceleration peak value do not exceed the set threshold value, the ground pulsation is judged;
step 2, the system adopts different control strategies according to different vibration types, and the method is as follows:
when the vibration type is explosion impact vibration, the horizontal vibration isolation air bags are not detonated, and if the bottom clamping plate of the steel wire vibration isolator moves upwards to a preset height, the vertical vibration isolation air bags are detonated, and all loads are borne by the vertical vibration isolation air bags; otherwise, the vertical shock isolation air bags are not detonated, and all loads are borne by the steel wire rope shock isolator;
when the vibration type is natural earthquake, the vertical vibration isolation air bags are not detonated, and only the horizontal vibration isolation air bags are detonated;
when the vibration type is the ground pulsation, the vertical vibration isolation air bags and the horizontal vibration isolation air bags are not detonated.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
The invention is not described in detail in the prior art.
Claims (6)
1. A control method of an air bag type intelligent shock isolation system is characterized by comprising the following steps: the method comprises the following steps:
step 1, an air bag type intelligent vibration isolation system monitors impact vibration of an external environment and judges the vibration type according to the acquired impact vibration information; the method comprises the following steps: when the acceleration peak value in the vertical direction exceeds a preset threshold value, judging that the explosion impact vibration occurs; when the acceleration peak value in the horizontal direction exceeds a set threshold value, judging that the natural vibration exists; when the vertical acceleration peak value and the horizontal acceleration peak value do not exceed the set threshold value, the ground pulsation is judged;
the air bag type intelligent shock isolation system comprises a steel wire rope shock isolator (4), a horizontal shock isolation air bag (2), a vertical shock isolation air bag (3), a detection control device and a floor (9) arranged above a hardened ground (7);
the steel wire rope shock isolators (4) are uniformly distributed at the bottom of the floor (9), the top of the steel wire rope shock isolators (4) is fixedly connected with the floor (9), and the bottom of the steel wire rope shock isolators is not connected with the ground (7);
the horizontal shock insulation air bag (2) is arranged between the side surface of the floor (9) and the wall (10) and is used for horizontally isolating shock; the vertical shock insulation air bag (3) is arranged between the floor (9) and the ground (7) and is used for shock insulation in the vertical direction; the vertical shock insulation air bag (3) is pre-filled with low-pressure air, the pre-filled low-pressure air is used for improving the speed of the air bag in the shock insulation process, and the impact force and the additional acceleration generated in the air bag initiation process are reduced;
the horizontal vibration isolation air bag (2) and the vertical vibration isolation air bag (3) are connected with a monitoring control device, the monitoring control device comprises a controller (5), a displacement sensor (12) for detecting the steel wire rope vibration isolator (4) and a rock-soil sensor (1) buried under the ground, the monitoring control device is connected with a driving system (6), and the driving system (6) is used for respectively driving the horizontal vibration isolation air bag (2) and the vertical vibration isolation air bag (3);
step 2, the system adopts different control strategies according to different vibration types, and the method is as follows:
when the vibration type is explosion impact vibration, the horizontal vibration isolation air bags (2) are not detonated, and at the moment, if the bottom clamping plate (401) of the steel wire vibration isolator (4) moves upwards to a preset height, the vertical vibration isolation air bags (3) are detonated, and all loads are borne by the vertical vibration isolation air bags (3); otherwise, the vertical shock isolation air bags (3) are not detonated, and all loads are borne by the steel wire rope shock isolators (4);
when the vibration type is natural earthquake, the vertical vibration isolation air bags (3) are not detonated, and only the horizontal vibration isolation air bags are detonated;
when the vibration type is the ground pulsation, the vertical vibration isolation air bag (3) and the horizontal vibration isolation air bag (2) are not detonated.
2. The control method of the air bag type intelligent shock isolation system according to claim 1, wherein the control method comprises the following steps: the horizontal shock insulation air bag (2) is a single-curved shock insulation air bag, and is provided with an inflatable cavity, and the axis of the inflatable cavity is horizontally arranged.
3. The control method of the air bag type intelligent shock isolation system according to claim 1, wherein the control method comprises the following steps: the vertical shock insulation air bag (3) is a hyperbolic shock insulation air bag, is provided with two communicated inflatable cavities, and the axes of the two inflatable cavities are collinear and vertically arranged.
4. The control method of the air bag type intelligent shock isolation system according to claim 1, wherein the control method comprises the following steps: limiting pier columns (8) are arranged around a bottom clamping plate (401) of the steel wire rope shock isolator (4) and used for limiting the vertical moving direction of the steel wire rope shock isolator (4).
5. The control method of the air bag type intelligent shock isolation system according to claim 1, wherein the control method comprises the following steps: the displacement sensor (12) is arranged on one side of the steel wire rope shock isolator (4) and is used for detecting the displacement height of the clamping plate (401) at the bottom of the steel wire rope shock isolator (4).
6. The control method of the air bag type intelligent shock isolation system according to claim 1, wherein the control method comprises the following steps: the rock-soil sensor (1) is a piezoelectric sensor and is used for monitoring acceleration of rock-soil when the rock-soil is subjected to impact vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541707.8A CN114909430B (en) | 2022-05-19 | 2022-05-19 | Airbag type intelligent shock isolation system and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210541707.8A CN114909430B (en) | 2022-05-19 | 2022-05-19 | Airbag type intelligent shock isolation system and control method thereof |
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| Publication Number | Publication Date |
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| CN114909430A CN114909430A (en) | 2022-08-16 |
| CN114909430B true CN114909430B (en) | 2024-02-09 |
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| CN202210541707.8A Active CN114909430B (en) | 2022-05-19 | 2022-05-19 | Airbag type intelligent shock isolation system and control method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10184095A (en) * | 1996-12-26 | 1998-07-14 | Taisei Corp | Vibration isolation device for building |
| CN103708016A (en) * | 2013-12-30 | 2014-04-09 | 中国人民解放军92537部队 | Anti-impact device for switching equipment connecting modes |
| CN210162535U (en) * | 2019-04-03 | 2020-03-20 | 昆山科望快速印务有限公司 | Shock-proof and impact-resistant packaging box |
| CN210316055U (en) * | 2019-04-19 | 2020-04-14 | 广东宇泰制震装备股份有限公司 | High-performance composite shock isolator |
| CN112682461A (en) * | 2021-01-05 | 2021-04-20 | 中国人民解放军海军工程大学 | Extremely low frequency gasbag vibration isolation system |
| CN214999061U (en) * | 2021-03-04 | 2021-12-03 | 山东英信计算机技术有限公司 | Dynamic anti-seismic server cabinet |
| CN215579876U (en) * | 2021-06-16 | 2022-01-18 | 武汉东洪鑫电气设备有限公司 | Damping device for power distribution cabinet |
-
2022
- 2022-05-19 CN CN202210541707.8A patent/CN114909430B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10184095A (en) * | 1996-12-26 | 1998-07-14 | Taisei Corp | Vibration isolation device for building |
| CN103708016A (en) * | 2013-12-30 | 2014-04-09 | 中国人民解放军92537部队 | Anti-impact device for switching equipment connecting modes |
| CN210162535U (en) * | 2019-04-03 | 2020-03-20 | 昆山科望快速印务有限公司 | Shock-proof and impact-resistant packaging box |
| CN210316055U (en) * | 2019-04-19 | 2020-04-14 | 广东宇泰制震装备股份有限公司 | High-performance composite shock isolator |
| CN112682461A (en) * | 2021-01-05 | 2021-04-20 | 中国人民解放军海军工程大学 | Extremely low frequency gasbag vibration isolation system |
| CN214999061U (en) * | 2021-03-04 | 2021-12-03 | 山东英信计算机技术有限公司 | Dynamic anti-seismic server cabinet |
| CN215579876U (en) * | 2021-06-16 | 2022-01-18 | 武汉东洪鑫电气设备有限公司 | Damping device for power distribution cabinet |
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| Publication number | Publication date |
|---|---|
| CN114909430A (en) | 2022-08-16 |
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