CN114575199A - Vertical shock-proof device - Google Patents
Vertical shock-proof device Download PDFInfo
- Publication number
- CN114575199A CN114575199A CN202210239023.2A CN202210239023A CN114575199A CN 114575199 A CN114575199 A CN 114575199A CN 202210239023 A CN202210239023 A CN 202210239023A CN 114575199 A CN114575199 A CN 114575199A
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- swing arm
- vertical
- upper plate
- lower plate
- wedge
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a vertical anti-vibration device, which comprises a lower plate, an upper plate arranged right above the lower plate, at least one group of shock absorption assemblies arranged between the lower plate and the upper plate, and a plurality of guide devices uniformly distributed between the upper plate and the lower plate, the damping assembly comprises a swing arm device and a damping part, the swing arm device comprises two swing arms which are positioned between the upper plate and the lower plate and are positioned on the same horizontal plane, and locate the upper plate bottom surface, correspond two wedge baffles that set up with two swing arms respectively, the swing arm stands in the lower plate top through vertical axis of rotation, the smooth inclined plane of two wedge baffles respectively with two swing arms curb plate butt dorsad, the wedge baffle is smooth inclined plane with the contact surface of swing arm, smooth inclined plane is from being close to the swing arm end to keeping away from the oblique downward sloping of swing arm end, the damping part both ends are kept away from the end connection of wedge baffle with two swing arms respectively, realize vertical shock attenuation effect.
Description
Technical Field
The invention relates to the technical field of shockproof equipment, in particular to a vertical shockproof device.
Background
China is a boundary between two large geological structure plates, earthquakes frequently occur, a museum is a carrier for living cultural relics in protection and utilization, a large amount of movable collections flow to the museum to be stored in a centralized manner, the possibility of large amount of damage under sudden disasters is increased, more than 60 percent of the museums in 5900 seats in China are located on a strong earthquake frequent earthquake zone, and in addition, the vibration caused by urban road traffic and rail traffic is emphasized more and more in the current urban development, but the existing shockproof devices mainly prevent horizontal vibration, have no shockproof effect on vertical vibration and road and rail traffic vibration mainly caused by vertical vibration, and only the vertical shockproof devices need to be arranged higher in the height of a shock absorption module, occupy a large amount of vertical space and are not suitable for a protection object with larger vertical space limitation, the reliable and effective vertical shock-proof device is particularly key for simultaneously achieving the shock protection of high-value articles under earthquake vertical shock and traffic shock.
Disclosure of Invention
The invention aims to provide a vertical shockproof device, and aims to solve the technical problems that a horizontal shockproof device cannot play a role in shockproof protection during vertical shockproof and an object is protected against vertical shockproof when a vertical space is limited.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vertical shock-proof device comprises a lower plate, an upper plate arranged right above the lower plate, at least one group of shock-absorbing assemblies arranged between the lower plate and the upper plate, and a plurality of guide devices uniformly distributed between the upper plate and the lower plate, wherein each shock-absorbing assembly comprises a swing arm device and a shock-absorbing part, each swing arm device comprises two swing arms which are suspended above the lower plate and are positioned on the same horizontal plane, and two wedge-shaped baffle plates which are arranged on the bottom surface of the upper plate and respectively correspond to the two swing arms, the swing arms are erected above the lower plate through vertical rotating shafts, the lower ends of the vertical rotating shafts are fixed on the top surface of the lower plate, and the upper ends of the vertical rotating shafts are rotatably connected with the swing arms; smooth inclined planes of the two wedge-shaped baffles are abutted to the side plates of the two swing arms facing back respectively, the contact surfaces of the wedge-shaped baffles and the swing arms are smooth inclined planes, the smooth inclined planes incline downwards from the ends close to the swing arms to the ends far away from the swing arms, the two ends of the damping part are respectively connected with the end parts, far away from the wedge-shaped baffles, of the two swing arms, the length of the damping part in a non-working state is smaller than the distance between the two vertical rotating shafts, and the two swing arms are arranged in a V shape.
Furthermore, the guiding device comprises an inner guiding rod and an outer guiding cylinder, the outer guiding cylinder is sleeved on the inner guiding rod, the upper end of the inner guiding rod is fixedly connected with the bottom surface of the upper plate, the lower end of the outer guiding cylinder is fixedly connected with the top surface of the lower plate, the guiding device is arranged at the edge positions of the upper plate and the lower plate, and preferably, the guiding device is arranged at the corner parts of the upper plate and the lower plate or the side length middle parts of the upper plate and the lower plate.
Furthermore, the length of the guide inner rod is not less than that of the guide outer cylinder, and the inner diameter of the guide outer cylinder is 1-3 mm larger than the diameter of the guide inner rod.
Furthermore, the end part of the swing arm close to the damping part is provided with a sliding rod, the top surface of the lower plate and the position corresponding to the sliding rod are provided with a steering groove, the steering groove is an arc-shaped groove, the circle center of the steering groove is the center of the vertical rotating shaft, the upper end of the sliding rod is fixedly connected with the swing arm, the end head of the lower part of the sliding rod is a cylindrical sliding part arranged in the arc-shaped groove, and the height direction of the sliding rod is vertical to the axis of the cylindrical sliding part.
Furthermore, a rolling part is arranged at the contact part of the swing arm and the smooth inclined surface of the wedge-shaped baffle, the rolling part rotates along the direction of the plane where the inclined surface of the swing arm is located and the wedge-shaped baffle moves up and down along with the upper plate, and the rolling device is preferably a ball or a roller.
Furthermore, the vertical rotating shaft is located at three points of the swing arm, and the distance from the damping part to the vertical rotating shaft is 2-3 times of the distance from the contact point of the swing arm and the wedge-shaped baffle to the vertical rotating shaft.
Furthermore, the angle between the smooth inclined plane of the wedge-shaped baffle facing the swing arm and the plane of the upper plate is 30-60 degrees.
Furthermore, the lower plate and the upper plate are both rectangular plates or circular plates which are horizontally placed, and the lower plate and the upper plate are preferably square plates with equal side length.
Further, the shock absorbing member may be an elastic member having both ends deformed in the axial direction or a combination of an axial damping member and an elastic member.
Furthermore, the upper end of the vertical rotating shaft is connected with the swing arm through a bearing.
Compared with the prior art, the invention has the following characteristics and beneficial effects:
by adopting the technology, when an earthquake occurs, the wedge-shaped baffle and the upper plate vertically move relative to the lower plate, and the swing arm device is extruded at the same time to push the swing arm device to rotate in the horizontal plane, so that the damping module is driven to horizontally deform, and the vertical damping effect is realized; the invention can convert vertical vibration deformation caused by earthquake or traffic vibration into horizontal vibration deformation, can realize vertical vibration reduction without arranging a vertical vibration reduction module, saves vertical space for arranging the vertical vibration reduction module, can obviously reduce the structural height of a vibration-proof device, has the characteristics of safety, applicability and the like, has good popularization and practical value, and can generate good economic benefit after wide popularization and application.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a schematic view of a swing arm structure of the present invention;
fig. 4 is a schematic structural view of the guiding device of the present invention.
Reference numerals: 1. an upper plate; 2. a lower plate; 3. a wedge-shaped baffle; 4. swinging arms; 5. a shock-absorbing member; 6. a vertical rotating shaft; 7. a steering groove; 8. a slide bar; 9. a rolling member; 10. a guide device; 11. guiding an inner rod; 12. and (4) guiding the outer cylinder.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention is further described below.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The invention discloses a vertical anti-vibration device, which comprises a lower plate 2, an upper plate 1 arranged right above the lower plate 2, at least one group of damping assemblies arranged between the lower plate 2 and the upper plate 1, and a guide device 10 uniformly distributed between the upper plate 1 and the lower plate 2, wherein each damping assembly comprises a swing arm device and a damping part 5, the lower plate 2 and the upper plate 1 are both horizontally arranged rectangular plates or circular plates, and the lower plate 2 and the upper plate 1 are preferably square plates with the side length of 500 mm.
As shown in fig. 2 and 4, the guiding device 10 is a plurality of guiding devices 10 uniformly distributed between the upper plate 1 and the lower plate 2, the guiding devices are arranged at the edge positions of the upper plate 1 and the lower plate 2, preferably, the guiding devices 10 are arranged at the corner parts of the upper plate 1 and the lower plate 2 or at the middle of the side length of the upper plate 1 and the lower plate 2, the guiding devices 10 comprise a guiding inner rod 11 and a guiding outer cylinder 12, the guiding outer cylinder 12 is sleeved on the guiding inner rod 11, the upper end of the guiding inner rod 11 is fixedly connected with the bottom surface of the upper plate 1, the lower end of the guiding outer cylinder 12 is fixedly connected with the top surface of the lower plate 2, wherein the length of the guiding inner rod 11 is not less than the length of the guiding outer cylinder 12, the diameter of the guiding inner rod 11 is less than the inner diameter of the guiding outer cylinder 12, and preferably, the inner diameter of the guiding outer cylinder 12 is 1-3 mm greater than the diameter of the guiding inner rod 11.
As shown in fig. 2 and 3, the swing arm device comprises two swing arms 4 suspended above the lower plate 2 and located on the same horizontal plane, a vertical rotating shaft 6 arranged between the lower plate 2 and the swing arms 4, and a sliding rod 8 arranged below the swing arms 4, wherein the lower end of the vertical rotating shaft 6 is vertically fixed on the top surface of the lower plate 2, the upper end of the vertical rotating shaft 6 is rotatably connected with the swing arms 4, the connection mode of the vertical rotating shaft 6 and the swing arms 4 is preferably that the upper end of the vertical rotating shaft 6 is connected with the swing arms 4 through bearings, the swing arms 4 can rotate around the vertical rotating shaft 6 at any angle in the horizontal plane, the sliding rod 8 is arranged at the end part of the swing arms 4 close to the shock absorption part 5, the upper end of the sliding rod 8 is fixedly connected with the swing arms 4, steering grooves 7 are arranged on the top surface of the lower plate 2 and the positions corresponding to the sliding rods 8, the steering grooves 7 are arc-shaped grooves, and the circle centers of the arc-shaped grooves are the centers of the vertical rotating shafts 6, the lower end of the sliding rod 8 slides in the steering groove 7 along with the rotation of the swing arm 4, the end head of the lower part of the sliding rod 8 is a cylindrical sliding part which is arranged in the arc-shaped groove, the height direction of the sliding rod 8 is vertical to the axis of the cylindrical sliding part, the cylindrical sliding part is limited in the steering groove 7 and freely slides along the arc-shaped steering groove 7, the width of the inner part of the steering groove 7 is larger than the diameter of the cylindrical sliding part, and the diameter of the cylindrical sliding part is larger than the width of the opening of the steering groove 7; the bottom surface of the upper plate 1 is provided with two wedge-shaped baffles 3 at positions corresponding to the two swing arms 4 respectively, the wedge-shaped baffles 3 are fixed on the bottom surface of the upper plate 1, smooth inclined surfaces of the two wedge-shaped baffles 3 are abutted to back side plates of the two swing arms 4 respectively, contact surfaces of the wedge-shaped baffles 3 and the swing arms 4 are smooth inclined surfaces, the smooth inclined surfaces incline downwards from the ends close to the swing arms 4 to the ends far away from the swing arms 4, and preferably, the angle between the smooth inclined surfaces of the wedge-shaped baffles 3 facing the swing arms 4 and the plane of the upper plate 1 is 30-60 degrees; the part of the swing arm 4, which is in contact with the smooth inclined surface of the wedge-shaped baffle 3, is provided with a rolling part 9, the rolling part 9 rotates along the wedge-shaped baffle 3 towards the plane direction where the inclined surface of the swing arm 4 is located along with the up-and-down movement of the upper plate 1, the rolling device is preferably a ball or a roller, the rolling device converts sliding friction generated by relative displacement between the swing arm 4 and the wedge-shaped baffle 3 into rolling friction, the friction force between the swing arm 4 and the wedge-shaped baffle 3 is reduced, and the smooth degree of the movement between the swing arm 4 and the wedge-shaped baffle 3 is increased; the two ends of the shock absorption part 5 are respectively connected with the end parts of the two swing arms 4 far away from the wedge-shaped baffle 3, and the length of the shock absorption part 5 in a non-working state is smaller than the distance between the two vertical rotating shafts 6, so that the two swing arms 4 are distributed in a V shape, preferably, the shock absorption part 5 adopts an elastic part which axially deforms along the two ends or a combination body of an axial damping part and the elastic part, and the shock absorption part 5 provides rigidity and damping for the swing arms 4 through relative deformation between the swing arms 4; the vertical rotating shaft 6 is located at the three-point position of the swing arm 4, and the distance from the damping part 5 to the vertical rotating shaft 6 is 2-3 times of the distance from the contact point of the swing arm 4 and the wedge-shaped baffle 3 to the vertical rotating shaft 6.
During vertical vibrations, the object of upper plate 1 top exerts decurrent effort to upper plate 1 under the vibrations effect, effort conduction that upper plate 1 will receive is wedge baffle 3 to upper plate 1 below, wedge baffle 3 towards swing arm 4 inclined plane with partial vertical effort through the contact position with swing arm 4 convert the horizontal effort to swing arm 4, promote swing arm 4 along vertical axis of rotation 6 rotation in the horizontal plane, and then make swing arm 4 keep away from the one end of wedge baffle 3 and drive damping part 5 and take place tensile deformation, realize the shock attenuation effect.
When an earthquake occurs, the wedge-shaped baffle and the upper plate vertically move relative to the lower plate, and meanwhile, the swing arm device is extruded to push the swing arm device to rotate in a horizontal plane, so that the damping module is driven to horizontally deform, and a vertical damping effect is realized; the invention can convert the vertical vibration deformation caused by earthquake or traffic vibration into the vibration deformation in the horizontal direction, can realize vertical vibration reduction without arranging the vertical vibration reduction module, saves the vertical space for arranging the vertical vibration reduction module, and can obviously reduce the construction height of the vibration-proof device.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a vertical shock mounting which characterized in that: the damping device comprises a lower plate (2), an upper plate (1) arranged right above the lower plate (2), at least one group of damping assemblies arranged between the lower plate (2) and the upper plate (1), and a plurality of guide devices (10) uniformly distributed between the upper plate (1) and the lower plate (2), wherein each damping assembly comprises a swing arm device and a damping part (5), each swing arm device comprises two swing arms (4) suspended above the lower plate (2) and positioned on the same horizontal plane, and two wedge-shaped baffle plates (3) arranged on the bottom surface of the upper plate (1) and respectively corresponding to the two swing arms (4), each swing arm (4) is erected above the lower plate (2) through a vertical rotating shaft (6), the lower end of each vertical rotating shaft (6) is fixed on the top surface of the lower plate (2), and the upper end of each vertical rotating shaft is rotatably connected with the corresponding swing arm (4); smooth inclined planes of the two wedge-shaped baffles (3) are abutted to the back side plates of the two swing arms (4) respectively, the contact surfaces of the wedge-shaped baffles (3) and the swing arms (4) are smooth inclined planes, the smooth inclined planes incline downwards from the ends close to the swing arms (4) to the ends far away from the swing arms (4), the two ends of the damping part (5) are respectively connected with the end parts, far away from the wedge-shaped baffles (3), of the two swing arms (4), the length of the damping part (5) in the non-working state is smaller than the distance between the two vertical rotating shafts (6), and the two swing arms (4) are arranged in a V shape.
2. The vertical shock absorber as set forth in claim 1, wherein: guider (10) are including direction interior pole (11) and direction urceolus (12), direction urceolus (12) cover is on direction interior pole (11), direction interior pole (11) upper end and upper plate (1) bottom surface fixed connection, direction urceolus (12) lower extreme and hypoplastron (2) top surface fixed connection, guider (10) set up the border position at upper plate (1), hypoplastron (2), preferred, guider (10) set up the bight of upper plate (1) and hypoplastron (2) or the length of side middle part of upper plate (1) and hypoplastron (2).
3. A vertical shock mounting as claimed in claim 2, wherein: the length of the guide inner rod (11) is not less than that of the guide outer cylinder (12), and the inner diameter of the guide outer cylinder (12) is 1-3 mm larger than the diameter of the guide inner rod (11).
4. The vertical anti-vibration device according to claim 1, characterized in that: the shock absorption component is characterized in that a sliding rod (8) is arranged at the end part, close to the shock absorption component (5), of the swing arm (4), a steering groove (7) is formed in the top surface of the lower plate (2) and in the position corresponding to the sliding rod (8), the steering groove (7) is an arc-shaped groove, the circle center of the steering groove (7) is the center of a vertical rotating shaft (6), the upper end of the sliding rod (8) is fixedly connected with the swing arm (4), the end of the lower part of the sliding rod (8) is a cylindrical sliding component arranged in the arc-shaped groove, and the sliding rod (8) is perpendicular to the axis of the cylindrical sliding component in the height direction.
5. The vertical shock absorber as set forth in claim 1, wherein: the part of the swing arm (4) contacting with the smooth inclined surface of the wedge-shaped baffle (3) is provided with a rolling part (9), the rolling part (9) rotates along the plane direction of the inclined surface of the swing arm (4) facing the wedge-shaped baffle (3) along with the up-and-down movement of the upper plate (1), and the rolling device is preferably a ball or a roller.
6. The vertical shock absorber as set forth in claim 1, wherein: vertical axis of rotation (6) are located the trisection point department of swing arm (4), the distance of shock attenuation part (5) to vertical axis of rotation (6) is swing arm (4) and wedge baffle (3) contact point to the distance of vertical axis of rotation (6) 2~3 times.
7. The vertical anti-vibration device according to claim 1, characterized in that: the angle between the smooth inclined plane of the wedge-shaped baffle (3) facing the swing arm (4) and the plane of the upper plate (1) is 30-60 degrees.
8. The vertical shock absorber as set forth in claim 1, wherein: the lower plate (2) and the upper plate (1) are both rectangular plates or circular plates which are horizontally placed, and square plates with equal side length are preferably selected for the lower plate (2) and the upper plate (1).
9. The vertical shock absorber as set forth in claim 1, wherein: the shock-absorbing component (5) adopts an elastic component which axially deforms along two ends or a combination of an axial damping component and the elastic component.
10. The vertical vibration damping device according to any one of claims 1 to 9, wherein: the upper end of the vertical rotating shaft (6) is connected with the swing arm (4) through a bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239023.2A CN114575199B (en) | 2022-03-11 | 2022-03-11 | Vertical shock-proof device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210239023.2A CN114575199B (en) | 2022-03-11 | 2022-03-11 | Vertical shock-proof device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114575199A true CN114575199A (en) | 2022-06-03 |
| CN114575199B CN114575199B (en) | 2023-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210239023.2A Active CN114575199B (en) | 2022-03-11 | 2022-03-11 | Vertical shock-proof device |
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| Country | Link |
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| CN (1) | CN114575199B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009062733A (en) * | 2007-09-06 | 2009-03-26 | Shimizu Corp | Vertically-base-isolated structure |
| JP2013036296A (en) * | 2011-08-11 | 2013-02-21 | Takaharu Miyazaki | Indoor earthquake-proof shelter |
| KR101384027B1 (en) * | 2013-08-13 | 2014-04-09 | (주)한국방재기술 | Vibration isolation module for earthquake reduction |
| CN208668622U (en) * | 2018-07-27 | 2019-03-29 | 张先海 | A kind of combined earthquake-resistant building structure component |
| CN111270787A (en) * | 2020-03-02 | 2020-06-12 | 中国地震局工程力学研究所 | Take vertical gravity tuning unit's friction pendulum shock isolation device |
| CN111577827A (en) * | 2020-05-19 | 2020-08-25 | 中国航空规划设计研究总院有限公司 | Bearing-independent three-dimensional swinging type shock-proof device |
-
2022
- 2022-03-11 CN CN202210239023.2A patent/CN114575199B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009062733A (en) * | 2007-09-06 | 2009-03-26 | Shimizu Corp | Vertically-base-isolated structure |
| JP2013036296A (en) * | 2011-08-11 | 2013-02-21 | Takaharu Miyazaki | Indoor earthquake-proof shelter |
| KR101384027B1 (en) * | 2013-08-13 | 2014-04-09 | (주)한국방재기술 | Vibration isolation module for earthquake reduction |
| CN208668622U (en) * | 2018-07-27 | 2019-03-29 | 张先海 | A kind of combined earthquake-resistant building structure component |
| CN111270787A (en) * | 2020-03-02 | 2020-06-12 | 中国地震局工程力学研究所 | Take vertical gravity tuning unit's friction pendulum shock isolation device |
| CN111577827A (en) * | 2020-05-19 | 2020-08-25 | 中国航空规划设计研究总院有限公司 | Bearing-independent three-dimensional swinging type shock-proof device |
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| Publication number | Publication date |
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| CN114575199B (en) | 2023-09-26 |
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