CN116290439A - Damping-variable self-resetting viscous damper - Google Patents
Damping-variable self-resetting viscous damper Download PDFInfo
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- CN116290439A CN116290439A CN202310225742.3A CN202310225742A CN116290439A CN 116290439 A CN116290439 A CN 116290439A CN 202310225742 A CN202310225742 A CN 202310225742A CN 116290439 A CN116290439 A CN 116290439A
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- damping
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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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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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
- E04H9/0237—Structural braces with damping devices
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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 self-resetting viscous damper with variable damping, which comprises a resetting cylinder and a damping cylinder which are coaxially connected, wherein a movable connecting rod is arranged in the resetting cylinder in a penetrating way; a reset spring is arranged in the reset cylinder, one end of the reset spring is connected with the movable connecting rod, and the other end of the reset spring is connected with one end of the reset cylinder, which is opposite to the damping cylinder; the part of the movable connecting rod, which is positioned in the damping cylinder, is sheathed with a rotary table, the outer part of the rotary table is sheathed with a piston, and the piston is connected with the damping cylinder through a piston sliding rail arranged on the inner wall of the damping cylinder; through holes are formed in the rotary table and the piston; damping medium is filled in the damping cylinder; the invention realizes good resetting capability through the reset spring, avoids the problems of difficult resetting and replacement of the damper after the earthquake neutralization and also avoids the adverse effect of residual displacement on equipment; due to the fact that the through holes with the different inner diameters are formed in the rotary table, the damping size of the damper can be adjusted according to requirements, and the applicability of the damper is improved.
Description
Technical Field
The invention relates to the technical field of dampers, in particular to a self-resetting viscous damper with variable damping.
Background
China is located between the Pacific seismic zone and the European seismic zone, and more than 6 grades of earthquakes are generated in China for nearly 800 times in the past 20 th century.
The damping technology is to set energy consumption device in some parts of the structure to produce friction, bending, shearing, torsion and elastic-plastic or viscoelastic hysteresis deformation to dissipate or absorb the energy of the earthquake input structure and to reduce the earthquake reaction of the main structure, so as to avoid the damage or collapse of the structure and to reach the aim of damping control. The viscous damper realizes the function of damping by the throttling resistance principle generated when fluid moves through the throttling holes, and is widely applied to the fields of high-rise buildings, bridges, seismic reconstruction of building structures, vibration resistance of industrial pipeline equipment, military industry and the like.
At present, in the use process of the existing viscous damper, because the used equipment is different and the required damping force is different due to different use scenes, different dampers are required to be customized to meet the requirements. Therefore, the manufacturing is troublesome, and the applicability of the device is not strong. And secondly, the existing viscous damper does not have a self-resetting function after earthquake, so that the structure generates larger residual deformation, and the capacity of resisting the earthquake of the next earthquake coming structure is further affected. Therefore, the development of the novel damping-variable self-resetting viscous damper capable of overcoming the defects of the traditional viscous damper has important scientific significance and engineering practical value.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the self-resetting viscous damper with variable damping, which solves the problems of troublesome manufacturing, low applicability and no self-resetting function after earthquake of the viscous damper in the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: the self-resetting viscous damper with the variable damping comprises a resetting cylinder and a damping cylinder which are coaxially connected, wherein a movable connecting rod is arranged in the resetting cylinder in a penetrating manner;
one end of the movable connecting rod penetrates out of one end of the reset cylinder and one end of the movable connecting rod penetrates out of the reset cylinder and is also provided with a first connecting piece, and one end of the movable connecting rod penetrates out of the other end of the reset cylinder and stretches into the damping cylinder;
one end of the damping cylinder, which is back to the resetting cylinder, is also connected with a fixed connecting rod, and a second connecting piece is arranged on the fixed connecting rod;
a reset spring is arranged in the reset cylinder, one end of the reset spring is connected with the movable connecting rod, and the other end of the reset spring is connected with one end of the reset cylinder, which is opposite to the damping cylinder;
the part of the movable connecting rod positioned in the damping cylinder is sleeved with a rotary table, the outside of the rotary table is sleeved with a piston, and the piston is connected with the damping cylinder through a piston sliding rail arranged on the inner wall of the damping cylinder;
at least two first through holes are formed in the rotary table, the two first through holes are distributed in a central symmetry mode along the center of the rotary table, and a plurality of second through holes with different apertures are formed in the piston;
the damping cylinder is filled with damping medium;
the movable connecting rod can rotate to drive the turntable to rotate, and the flow speed of the damping medium is adjusted by adjusting the position relation between the first through hole and the second through hole, so that the purpose of adjusting damping is achieved.
The invention also has the following technical characteristics:
the part of the movable connecting rod, which is positioned on the reset cylinder, is also sleeved with a rotary baffle, the outside of the rotary baffle is sleeved with a baffle, and the baffle is connected with the reset cylinder through a baffle sliding rail arranged on the inner wall of the reset cylinder;
the reset spring comprises an upper reset spring and a lower reset spring;
one end of the upper reset spring is connected with the baffle plate, the other end of the upper reset spring is connected with one end of the reset cylinder, which is opposite to the damping cylinder, and one end of the lower reset spring is connected with the baffle plate, and the other end of the lower reset spring is connected with the damping cylinder;
the damping cylinder comprises a hollow cylindrical damping cylinder body, an upper plate covered on one end of the damping cylinder body and a lower plate covered on the other end of the damping cylinder body, and the movable pull rod penetrates through the upper plate;
the upper plate is connected with the reset cylinder;
a sealing plate is also arranged in the damping cylinder, a damping cavity is formed between the sealing plate and the upper plate, and the damping medium is filled in the damping cavity;
the movable pull rod penetrates through the sealing plate;
the damping cylinder body is also provided with a liquid inlet hole and a liquid outlet hole at positions corresponding to the damping cavity body;
the first connecting piece and the second connecting piece are spherical supports;
compared with the prior art, the invention has the following technical effects:
the invention realizes good resetting capability through the reset spring, avoids the problems of difficult resetting and replacement of the damper after earthquake neutralization and avoids the adverse effect of residual displacement on equipment; in addition, the rotary table can be driven to rotate by rotating the movable connecting rod, so that through holes between the rotary table and the piston correspond to each other, and the size of damping of the damper can be adjusted according to the requirement due to the fact that the plurality of groups of through holes with different inner diameters are formed in the rotary table, so that the applicability of the damper is improved.
When the damping device is subjected to larger load and the front end and the rear end of the damping device are excessively displaced, the movable connecting rod moves to drive the spring to generate stretching or compression deformation, and the self-resetting function can be exerted by utilizing the initial pre-tensioning force or pre-tensioning force of the spring after earthquake. In addition, the invention has the advantages of simple industrial production, convenient field installation and the like, and has higher practical value and economic benefit.
The invention has the characteristics of simple structure, low cost, high bearing capacity, high reliability, easy maintenance and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of A-A of FIG. 1
FIG. 3 is a cross-sectional view of B-B of FIG. 1;
FIG. 4 is a cross-sectional view of C-C of FIG. 1;
FIG. 5 is a schematic view of the mounting location of the present invention;
meaning of the individual reference numerals in the drawings:
1-resetting a cylinder; 2-a damping cylinder; 3-moving the connecting rod; 4 a first connector; 5-a second connector; 6-fixing a connecting rod; 7-a return spring and 8-a turntable; 9-a piston; 10-a piston slide rail; 11-a first through hole; 12-a second through hole; 13-a damping medium; 14-rotating a baffle; 15-baffle plates; 16-baffle slide rail;
2-1 damping cylinder, 2-2 upper plate, 2-3 lower plate, 2-4 sealing plate, 2-5 damping cavity, 2-6 liquid inlet hole and 2-7 liquid outlet hole;
7-1 upper return spring, 7-2 lower return spring;
the following examples illustrate the invention in further detail.
Detailed Description
The following specific embodiments of the present invention are provided, and it should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solutions of the present application fall within the protection scope of the present invention.
The terms "upper," "lower," "front," "rear," "top," "bottom," and the like are used herein to refer to an orientation or positional relationship merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, with interior and exterior references to the interior and exterior of the corresponding component profiles, and the above terms are not to be construed as limiting the invention.
In the present invention, unless otherwise indicated, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected or detachably connected or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
All parts of the invention, unless otherwise specified, are known in the art.
Example 1:
according to the technical scheme, as shown in fig. 1-5, the self-resetting viscous damper with variable damping comprises a resetting cylinder 1 and a damping cylinder 2 which are coaxially connected, wherein a movable connecting rod 3 is arranged in the resetting cylinder 1 in a penetrating manner;
one end of the movable connecting rod 3 penetrates out of one end of the reset cylinder 1 and one end penetrating out of the reset cylinder 1 is also provided with a first connecting piece 4, and one end of the movable connecting rod 3 penetrates out of the other end of the reset cylinder 1 and stretches into the damping cylinder 2;
one end of the damping cylinder 2, which is back to the reset cylinder 1, is also connected with a fixed connecting rod 6, and a second connecting piece 5 is arranged on the fixed connecting rod 6;
a reset spring 7 is arranged in the reset cylinder 1, one end of the reset spring 7 is connected with the movable connecting rod 1, and the other end is connected with one end of the reset cylinder 1, which is opposite to the damping cylinder 2;
the reset spring 7 can adjust the strength of the self-reset function by adjusting the initial pre-tension or pre-tension.
The return spring is welded on the movable connecting rod 3 and the return cylinder 1, and the return is realized by utilizing the initial pre-tension or pre-compression of the spring after vibration and shock.
The part of the movable connecting rod 3 positioned in the damping cylinder 2 is sleeved with a rotary table 8, a piston 9 is sleeved outside the rotary table 8, and the piston 9 is connected with the damping cylinder 2 through a piston sliding rail 10 arranged on the inner wall of the damping cylinder 2;
at least two first through holes 11 are formed in the rotary table 8, the two first through holes 11 are distributed in a central symmetry mode along the center of the rotary table 8, and a plurality of second through holes 12 with different apertures are formed in the piston 9;
in this embodiment, as shown in fig. 2 and 3, four first through holes 11 are formed on the turntable 8, and the four first through holes 11 are symmetrically distributed along the turntable 8 at 90 °, and four second through holes 12 are formed on the piston 9, each set of second through holes 12 includes three through holes which are arranged in a circumferential array and whose diameters decrease in sequence in a clockwise direction, wherein the diameter of the largest through hole in the second through holes 12 is the same as the diameter of the first through hole 11;
the movable connecting rod 3 can rotate to drive the turntable 8 to rotate, and the flow speed of the damping medium 13 is regulated by regulating the position relation of the first through hole 11 and the second through hole 12, so that the purpose of regulating damping is achieved.
For example, when the position of the largest diameter through hole of the second through holes 12 corresponds to the position of the first through holes 11, the flow velocity of the damping medium 13 is largest, the damping is smallest, and when the position of the smallest diameter through hole of the second through holes 12 corresponds to the position of the first through holes 11, the flow velocity of the damping medium 13 is smallest, the damping is largest; the damping size of the damper can be adjusted according to the requirement, and the applicability of the damper is improved.
The use scene of the invention is generally a frame or some important joints, as shown in fig. 5, the damping-variable self-resetting viscous damper in the figure is arranged at the joint of a cross beam and a longitudinal beam of the frame structure, one end of the damper is connected to the cross beam, the other end of the damper is connected to the longitudinal beam, and if the damper is not long enough, the movable connecting rod 3 can be lengthened;
under the action of an earthquake, the displacement of the cross beam and the longitudinal beam drives the return spring 7 in the return cylinder 1 to compress or stretch, and the strength of the self-return function can be adjusted by adjusting the initial pre-pressure or pre-tension of the return spring 7, so that the problem that the general damper is difficult to reset and replace after the earthquake is avoided, and adverse effects on equipment due to residual displacement are avoided.
Simultaneously, the movable pull rod 3 stretches out or retracts into the damping cylinder 2, the rotary disc 8 and the piston 9 on the movable pull rod 3 move in the damping cylinder 2, so that energy consumption is realized through throttling resistance generated by the damping medium 13 through the first through hole 11 and the second through hole 12, the movable connecting rod 3 can be rotated according to different requirements, the rotary disc 8 is driven to rotate, and the aperture of the second through hole 12 is selected appropriately, so that different damping coefficients are realized.
As one preferable example of the present embodiment:
the part of the movable connecting rod 3 positioned on the reset cylinder 1 is also sleeved with a rotary baffle plate 14, a baffle plate 15 is sleeved outside the rotary baffle plate 14, and the baffle plate 15 is connected with the reset cylinder 1 through a baffle plate sliding rail 16 arranged on the inner wall of the reset cylinder 1; the baffle 15 cannot rotate, and the rotating baffle 14 can rotate;
as one preferable example of the present embodiment:
the return spring 7 comprises an upper return spring 7-1 and a lower return spring 7-2;
one end of the upper return spring 7-1 is connected with the baffle 15, the other end of the upper return spring is connected with one end of the return cylinder 1, which is opposite to the damping cylinder 2, one end of the lower return spring 7-2 is connected with the baffle 15, and the other end of the lower return spring is connected with the damping cylinder 2;
the reset spring 7 adopts a double-spring design, so that the stress of the baffle 15 is more uniform, and the baffle 15 can be restored to the middle position of the reset cylinder 1;
as one preferable example of the present embodiment:
the damping cylinder 2 comprises a hollow cylindrical damping cylinder body 2-1, an upper plate 2-2 covered on one end of the damping cylinder body 2-1 and a lower plate 2-3 covered on the other end of the damping cylinder body 2-1, and the movable pull rod 3 penetrates through the upper plate 2-2;
the upper plate 2-2 is connected with the reset cylinder 1;
a sealing plate 2-4 is further arranged in the damping cylinder 2-1, a damping cavity 2-5 is formed between the sealing plate 2-4 and the upper plate 2-2, and a damping medium 13 is filled in the damping cavity 2-5;
the movable pull rod 2 penetrates through the sealing plates 2-4;
the damping cylinder 2 adopts a damping cylinder 2-1 and an upper plate 2-2 and a lower plate 2-3 which are covered at two ends of the damping cylinder 2-1, so that the assembly, the disassembly and the maintenance are convenient; the damping cylinder 2-1 is designed in the same way.
As one preferable example of the present embodiment:
the damping cylinder body 2-1 is also provided with a liquid inlet hole 2-6 and a liquid outlet hole 2-7 at positions corresponding to the damping cavity body 2-5; the liquid inlet holes 2-6 and the liquid outlet holes 2-7 facilitate the addition of damping medium after installation.
As one preferable example of the present embodiment:
the first connecting piece 4 is a spherical support and the second connecting piece 5 is a spherical support;
the spherical support comprises a sphere and a spherical shell, and when the spherical support is connected, the damping device is stressed along the axial direction when the connection points at the two ends of the damping device are subjected to relative displacement, and the damping can be conveniently adjusted by the rotary turntable after the damping device is installed.
The specific working process of the invention comprises the following steps:
when the damper is used, the movable connecting rod 3 is rotated according to the required damping size, so that the movable connecting rod 3 drives the rotary table 8 and the rotary baffle 14 connected with the movable connecting rod to rotate, and as the piston 9 is connected with the damper cylinder 2 through the piston slide rail 10 and the baffle 15 is connected with the reset cylinder 1 through the baffle slide rail 16, the piston 9 and the baffle 15 connected inside the damper cylinder 2 do not rotate when the movable connecting rod 2 is rotated, and as the first through hole 11 is formed in the rotary table 8, a plurality of second through holes 12 with different apertures are formed in the piston 9;
therefore, when the rotary table 8 is rotated, the second through holes 12 with different inner diameters are corresponding to the first through holes 11, when an earthquake happens, the damper moves, the movable connecting rod 3 and the damping cylinder 2 move relatively, so that the rotary table 8 connected with the movable connecting rod 3 drives the piston 9 to slide in the damping cavity 2-5, in the sliding process of the piston 9, the damping medium 13 filled in the damping cavity 2-5 passes through the first through holes 11 and the second through holes 12 to move to the other side of the piston 9, and as the second through holes 12 comprise a plurality of through holes with different diameters, the second through holes 12 with different sizes can be selected, and the flowing speeds of the damping medium 13 are different, so that the damping size of the damper can be changed by adjusting the relative positions of the rotary table 8 and the piston 9.
When an earthquake comes, the damper moves, the rotating baffle 12 connected with the moving connecting rod 3 can drive the baffle 15 to slide in the reset cylinder 1, the reset spring 7 can stretch or compress in the sliding process of the baffle 15, and the self-reset function of the damper in the earthquake and after the earthquake is realized through the initial pre-pressure or pre-tension of the reset spring 7.
Those skilled in the art will appreciate that modules in an apparatus in an implementation scenario may be distributed in an apparatus in an implementation scenario according to an implementation scenario description, or that corresponding changes may be located in one or more apparatuses different from the implementation scenario. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
While the invention has been described with respect to the preferred embodiments, it is to be understood that the invention is not limited thereto, but is intended to cover modifications and alternatives falling within the spirit and scope of the present invention as disclosed by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (6)
1. The self-resetting viscous damper with the variable damping comprises a resetting cylinder (1) and a damping cylinder (2) which are coaxially connected, wherein a movable connecting rod (3) is arranged in the resetting cylinder (1) in a penetrating manner; the damping device is characterized in that one end of the movable connecting rod (3) penetrates out of one end of the reset cylinder (1) and one end penetrating out of the reset cylinder (1) is also provided with a first connecting piece (4), and one end of the movable connecting rod (3) penetrates out of the other end of the reset cylinder (1) and stretches into the damping cylinder (2);
one end of the damping cylinder (2) facing away from the resetting cylinder (1) is also connected with a fixed connecting rod (6), and a second connecting piece (5) is arranged on the fixed connecting rod (6);
a reset spring (6) is arranged in the reset cylinder (1), one end of the reset spring (6) is connected with the movable connecting rod (1), and the other end of the reset spring is connected with one end of the reset cylinder (1) opposite to the damping cylinder (2);
the part of the movable connecting rod (3) positioned in the damping cylinder (2) is sleeved with a rotary table (8), a piston (9) is sleeved outside the rotary table (8), and the piston (9) is connected with the damping cylinder (2) through a piston sliding rail (10) arranged on the inner wall of the damping cylinder (2);
at least two first through holes (11) are formed in the rotary table (8), the two first through holes (11) are distributed in a central symmetry mode along the center of the rotary table (8), and a plurality of second through holes (12) with different apertures are formed in the piston (9);
damping medium (13) is filled in the damping cylinder (2);
the movable connecting rod (3) can rotate to drive the turntable (8) to rotate, and the flow speed of the damping medium (13) is regulated by regulating the position relation of the first through hole (11) and the second through hole (12), so that the purpose of regulating damping is achieved.
2. The self-resetting viscous damper with variable damping according to claim 1, wherein the part of the movable connecting rod (3) positioned on the resetting cylinder (1) is further sleeved with a rotary baffle (14), the rotary baffle (14) is externally sleeved with a baffle (15), and the baffle (15) is connected with the resetting cylinder (1) through a baffle sliding rail (16) arranged on the inner wall of the resetting cylinder (1).
3. A variable damping self-resetting viscous damper as defined in claim 2, characterized in that said return spring (6) comprises an upper return spring (7-1) and a lower return spring (7-2);
one end of the upper return spring (7-1) is connected with the baffle plate (15), the other end of the upper return spring is connected with one end of the return cylinder (1) back to the damping cylinder (2), one end of the lower return spring (7-2) is connected with the baffle plate (15), and the other end of the lower return spring is connected with the damping cylinder (2).
4. A self-resetting viscous damper with variable damping as claimed in claim 3, wherein the damping cylinder (2) comprises a hollow cylindrical damping cylinder body (2-1), an upper plate (2-2) covered on one end of the damping cylinder body (2-1) and a lower plate (2-3) covered on the other end of the damping cylinder body (2-1), and the movable pull rod (3) penetrates through the upper plate (2-2);
the upper plate (2-2) is connected with the reset cylinder (1);
a sealing plate (2-4) is further arranged in the damping cylinder (2-1), a damping cavity (2-5) is formed between the sealing plate (2-4) and the upper plate (2-2), and a damping medium (13) is filled in the damping cavity (2-5);
the movable pull rod (2) penetrates through the sealing plate (2-4).
5. The self-resetting viscous damper with variable damping as claimed in claim 4, wherein the damping cylinder (2-1) is further provided with a liquid inlet (2-6) and a liquid outlet (2-7) at positions corresponding to the damping cavity (2-5).
6. A variable damping self-resetting viscous damper as claimed in claim 1, characterized in that the first connecting piece (4) and the second connecting piece (5) are spherical bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310225742.3A CN116290439A (en) | 2023-03-09 | 2023-03-09 | Damping-variable self-resetting viscous damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310225742.3A CN116290439A (en) | 2023-03-09 | 2023-03-09 | Damping-variable self-resetting viscous damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116290439A true CN116290439A (en) | 2023-06-23 |
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ID=86791993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310225742.3A Pending CN116290439A (en) | 2023-03-09 | 2023-03-09 | Damping-variable self-resetting viscous damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116290439A (en) |
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2023
- 2023-03-09 CN CN202310225742.3A patent/CN116290439A/en active Pending
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