CN113374110A - Displacement amplification type metal torsion energy dissipation damper - Google Patents

Displacement amplification type metal torsion energy dissipation damper Download PDF

Info

Publication number
CN113374110A
CN113374110A CN202110779469.XA CN202110779469A CN113374110A CN 113374110 A CN113374110 A CN 113374110A CN 202110779469 A CN202110779469 A CN 202110779469A CN 113374110 A CN113374110 A CN 113374110A
Authority
CN
China
Prior art keywords
damper
energy dissipation
displacement
torsional energy
slider
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110779469.XA
Other languages
Chinese (zh)
Other versions
CN113374110B (en
Inventor
王文熙
周超
陈政清
华旭刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan University
Original Assignee
Hunan University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan University filed Critical Hunan University
Priority to CN202110779469.XA priority Critical patent/CN113374110B/en
Publication of CN113374110A publication Critical patent/CN113374110A/en
Application granted granted Critical
Publication of CN113374110B publication Critical patent/CN113374110B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • 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
    • 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

Landscapes

  • 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 Dampers (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)

Abstract

The invention discloses a displacement amplification type metal torsion energy-consuming damper, which belongs to the field of building shock absorption and comprises a torsion energy-consuming pipe, an accelerating gear train and a slider-crank mechanism, wherein the accelerating gear train comprises a starting-end driving wheel and a tail-end driven wheel which are in transmission connection; the crank-slider mechanism converts linear displacement motion into rotation, the rotation of the crank-slider mechanism is input to a driving wheel at the starting end of a speed-increasing gear train, and under the action of the speed-increasing gear train, a driven wheel at the tail end drives a torsion energy dissipation pipe which carries out torsion energy dissipation, and the angular speed of the driven wheel at the tail end is greater than that of the driving wheel at the starting end; therefore, the input displacement is converted into the angular velocity, the angular velocity is amplified, and the energy dissipation of the torsion energy dissipation pipe on the micro displacement is realized.

Description

Displacement amplification type metal torsion energy dissipation damper
Technical Field
The invention relates to the field of building shock absorption, in particular to a displacement amplification type metal torsion energy dissipation damper.
Background
The metal damper belongs to a displacement-related damper, the displacement-related damper means that the damper dissipates vibration energy and causes the damper to work through structural deformation, the currently commonly used metal damper is an easily-yielding and high-energy-consumption structural anti-seismic (vibration) device mainly made of special metal materials (soft steel) or alloy, external input energy such as earthquake and the like is dissipated mainly by plastic deformation of the special soft steel plates after yielding, and the displacement-related energy-dissipation (vibration) device belongs to a displacement-related energy dissipation and damping device; the metal damper is a passive energy dissipation device and has the characteristics of simple structure, low manufacturing cost, simple mechanical model and the like, wherein the mild steel still has stable hysteresis characteristics under the action of repeated cyclic load after yielding; metal dampers can be applied to both concrete and steel structures and have been applied to heavy wood structures in some projects; the metal damper has many excellent performances, is widely accepted by domestic and foreign scholars and experts in construction engineering, and is widely applied to practical engineering.
However, the energy consumption of the existing metal damper usually adopts a bending plastic deformation mode, the performance completely depends on the displacement amplitude, and the energy consumption capability is limited when the displacement is small; in the service life of the bridge, the deformation displacement of the bridge at the damper has a small value, and when the displacement value of the building structure is small, the working energy consumption capacity of the metal damper is limited, and the energy consumption advantage of the metal damper is not fully exerted.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to: the displacement amplification type metal torsion energy consumption damper solves the problem that the energy consumption capacity of a metal damper is limited when the displacement value of a building structure is small through a displacement amplification mechanism and a torsion energy consumption mode.
The purpose of the invention is realized by the following technical scheme: the utility model provides a displacement amplification type metal twists reverse energy consumption attenuator, twists reverse energy consumption pipe, speed increasing gear train and slider-crank mechanism, speed increasing gear train includes that the transmission is connected the top action wheel and the end from the driving wheel, slider-crank mechanism includes the connecting rod end, the connecting rod end rotates with the pivot of top action wheel to be connected, the end is from the driving wheel and twist reverse the coaxial fixed connection of energy consumption pipe.
The crank sliding block mechanism converts linear displacement motion from a building structure into rotation, the rotation motion state of the crank sliding block mechanism is output to a starting-end driving wheel of a speed-increasing gear train to enable the starting-end driving wheel to rotate, the angular speed of a tail-end driven wheel is larger than that of the starting-end driving wheel under the action of the speed-increasing gear train, the angular speed of the tail-end driven wheel is amplified, and then the tail-end driven wheel drives a torsion energy dissipation pipe to carry out torsion energy dissipation; the energy dissipation of the torsion energy dissipation pipe on the micro displacement of the building structure is realized; in addition, from the viewpoint of enhancing the energy dissipation of the torsion energy dissipation pipe, the radius ratio of the starting driving wheel to the tail driven wheel is larger, and the ratio is better.
It should be noted that the torsion energy dissipation tube is an energy dissipation core component of the metal damper, and the invention adopts a common metal damper, so that the energy dissipation structure of the torsion energy dissipation tube is not described in detail herein.
As a further limitation of the above technical solution, the displacement amplification type metal torsional energy dissipation damper further comprises a damper base, the torsional energy dissipation tube is fixedly connected with the damper base, and the starting end driving wheel is fixedly connected with the damper base
Furthermore, the torsion energy dissipation pipe is fixedly connected with the damper base through a fixing device, the starting-end driving wheel is fixedly connected with the damper base through a first pin shaft, and the tail-end driven wheel is fixedly connected with the torsion energy dissipation pipe through a fastening device; the torsional energy dissipation pipe is fixed on the damper base through the fixing device, the structural integrity of the damper is improved, the driving wheel at the starting end is fixed on the damper base through the first pin shaft and rotates around the first pin shaft in the movement process, the driven wheel at the tail end is fixedly connected with the torsional energy dissipation pipe through the fastening device, and the driven wheel at the tail end drives the torsional energy dissipation pipe to perform torsional energy dissipation.
Furthermore, a rigid lining is arranged in the torsion energy consumption pipe, the rigid lining is arranged along the axial direction of the torsion energy consumption pipe, and the rigid lining is fixedly connected with the damper base.
The purpose of providing a rigid liner is to: the torsion energy dissipation pipe is prevented from wholly buckling and restraining the local buckling of energy dissipation parts when being twisted, so that the torsion energy dissipation pipe can fully yield to the whole section under the action of external force, and the torsion energy dissipation pipe is ensured to only generate energy dissipation torsion; the rigid lining is arranged, so that deformation in the bending direction can be effectively prevented, and the output force of the torsion energy consumption pipe is improved.
Further, the cross section of the rigid liner comprises an I-shaped cross section or a cross-shaped cross section. The rigid lining with the I-shaped cross section or the cross-shaped cross section can enhance the stability of the rigid lining, so that the rigid lining is not easy to twist, and the twisting energy dissipation pipe is fixed.
Further, the rigid inner lining is arranged at two positions which are parallel to each other; the rigid lining at two positions can further ensure the output force of the damper.
As a possible technical solution, the slider-crank mechanism comprises a centered slider-crank mechanism or an offset slider-crank mechanism.
The difference between the two types of acceleration gear trains of the present invention, in which linear displacement of the building structure is converted into rotation, can be achieved by either the concentric crank block mechanism or the offset crank block mechanism, but the offset crank block mechanism is not utilized, and thus, both the concentric crank block mechanism and the offset crank block mechanism can be applied to the present invention.
As a preferred technical scheme, the speed-increasing gear train comprises 2-3 gears in transmission connection, as is well known, the speed-increasing gear train can comprise a plurality of gears in transmission connection, the invention is generally applied to building structures and plays a role in vibration (vibration) energy dissipation, the height of the invention cannot be infinitely enlarged due to the limitation of working environment, and the gear transmission times of the speed-increasing gear train are not too large from the aspects of energy transmission and energy dissipation reaction efficiency, so the invention takes 2-3 gears in transmission connection as the preferred scheme of the speed-increasing gear train; it can be understood that the larger the radius ratio of the starting driving wheel to the tail driven wheel is, the higher the angular speed of the tail driven wheel can be, so that better energy dissipation for small displacement is realized.
As a preferred technical scheme, the crank slider mechanisms are symmetrically arranged into two groups, the hinge points of the two groups of crank slider mechanisms are arranged on different sides, and the corresponding speed-up gear trains are also arranged into two groups; namely, two groups of crank slider mechanisms are set to opposite movement directions, and the driven wheels at the tail ends of two groups of speed-increasing gear trains pull the torsion energy dissipation pipes from different rotation directions, so that the energy dissipation efficiency of the torsion energy dissipation pipes is higher.
As a further limitation of the above technical scheme, two groups of the start-end driving wheels are fixed by the same pin shaft; two groups of initial driving wheels are simultaneously fixed through a first pin shaft, so that the structural simplicity of the invention is enhanced, and the structural integrity of the invention is enhanced.
In summary, due to the adoption of the technical scheme, the invention has the following positive technical effects:
1. the speed-increasing gear train and the amplification displacement transmission structure of the crank-slider mechanism can convert the micro displacement input by the crank-slider mechanism into rotation and amplify the rotation angular velocity, so that the energy consumption capability of the torsion energy consumption pipe on the micro displacement is enhanced.
2. The slider end of the crank slider mechanism is fixedly connected with a bridge structure, a house structure and the like in a building structure, micro displacement of the building structure is converted into rotation to be led into the speed increasing gear train, angular velocity is amplified by the speed increasing gear train, and a driven wheel at the tail end of the speed increasing gear train drives the torsion energy dissipation pipe to carry out torsion energy dissipation, so that the energy dissipation of the micro displacement of the building structure is realized.
3. The damper base and the rigid lining can realize good work of the torsion energy dissipation pipe, the energy dissipation process is smooth, the phenomenon of overall yielding of the torsion energy dissipation pipe is not easy to occur, and the output of the torsion energy dissipation pipe in the energy dissipation work is ensured.
4. The invention can symmetrically arrange two groups of speed-increasing gear trains with opposite movement directions, and fix the initial driving wheels in the two groups of speed-increasing gear trains through the same pin shaft, thereby enhancing the structural simplicity and structural integrity of the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic structural view of the present invention with two sets of speed-increasing gear trains arranged symmetrically;
FIG. 2 is a schematic view of the slider-crank mechanism of the present invention with the hinge point on the left side;
FIG. 3 is a schematic view of the slider-crank mechanism of the present invention with the hinge point on the right side;
FIG. 4 is a schematic diagram of the operation of the speed increasing gear train of the present invention;
FIG. 5 is a graph of torque-angle hysteresis dissipation curves of the torsional dissipation tube of the present invention;
the labels in the figure are: 1-a damper base; 2-twisting the energy consumption tube; 3-a speed increasing gear train; 31-a starting end driving wheel; 32-a trailing end driven wheel; 4-a slider-crank mechanism; 41-a slider end; 42-hinge point; 5-a fixing device; 6-a first pin shaft; 7-building structures; 8-a rigid liner; 9-fastening means.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the torsion energy dissipation tube of the present invention adopts a metal thin-wall torsion energy dissipation tube, and the working principle thereof is as follows: the hysteresis performance of metal is utilized to dissipate input energy, and energy consumption is generated through torsional deformation of the metal thin-wall pipe, so that the purpose of protecting the main body structure is achieved.
As shown in fig. 4, the operating principle of the speed increasing gear train 3 of the present invention is as follows: let the radius of the start driving pulley 31 be R and the radius of the end driven pulley 32 be R. Since the two gears are in mesh transmission during operation, the linear displacements S are equal, i.e. SMaster and slave＝SFromAnd due to SMaster and slave＝R×θ1，SFrom＝R×θ2Derived and obtained
Figure BDA0003155757850000051
Wherein theta is1，θ2The rotation angles of the large and small gears are respectively expressed, so that the speed-increasing gear train 3 can realize a rotation angular velocity of the end driven pulley 32 larger than that of the start driving pulley 31.
As shown in fig. 5, fig. 5 is a torque-rotation angle hysteresis energy consumption curve of a general displacement type metal damper, wherein θ is a torsion angle of the displacement type metal damper, and T isTorsion barThe torque value is represented by A, elastic phase and plastic phase; it can be seen from the figure that when the torque value is small, the metal damper is in the elastic phase a, the torsion angle θ is also small, and as the torque value increases, the metal damper enters the plastic phase B after the torsion angle θ reaches the critical point.
In addition, in the field, the metal damper comprises a mild steel damper and a lead damper, wherein the mild steel damper dissipates input energy by utilizing the good hysteresis performance of mild steel, and generates energy consumption through torsional deformation of the metal thin-walled tube so as to achieve the purpose of protecting the main body structure; the lead damper is a damper with excellent energy consumption performance, lead has the characteristics of high density, strong plasticity, high resistivity, low strength, low heat conductivity, low melting point, corrosion resistance and the like, the lead has high flexibility and ductility and good deformation tracking capability, and the lead does not have the phenomenon of accumulated fatigue theoretically when plastic circulation is carried out at room temperature; however, in consideration of practical application, the international cylindrical lead damper is applied less, and the mechanical property of the lead damper is greatly influenced by the shape and parameters. Therefore, the preferred metal damper foundation of the invention is a mild steel damper.
Example 1
As shown in fig. 1 to 3, in a preferred embodiment of the present invention, a displacement-amplifying type metal torsional energy-consuming damper includes a torsional energy-consuming tube 2, an accelerating gear train 3 and a slider-crank mechanism 4, wherein the accelerating gear train 3 includes two gears, which are a starting driving wheel 31 and a tail driven wheel 32, respectively, the starting driving wheel 31 and the tail driven wheel 32 are connected in a meshing manner, the slider-crank mechanism 4 includes a connecting rod end, a rotating shaft of the starting driving wheel 31 is rotatably connected to the connecting rod end, and the tail driven wheel 32 is coaxially and fixedly connected to the torsional energy-consuming tube 2.
Two sets of crank sliding block mechanisms 4 with opposite rotation directions are arranged on two sides of the torsion energy consumption pipe 2, namely, hinge points 42 of the two sets of crank sliding block mechanisms 4 are arranged on different sides; the crank sliding block mechanism 4 adopts a centering crank sliding block mechanism;
the damper comprises a damper base 1, wherein the damper base 1 is arranged below a building structure 7, the torsion energy dissipation pipe 2 is fixedly connected with the damper base 1 through a fixing device 5, and the starting driving wheel 31 is fixedly connected with the damper base 1 through a first pin shaft 6; the tail end driven wheel 32 is fixedly connected with the torsion energy dissipation pipe 2 through a fastening device 9, the fastening device 9 can be selected to be a detachable fixed connection mode, such as a bolt or a pin shaft, so that the tail end driven wheel 32 and the torsion energy dissipation pipe 2 are fixed together, and energy dissipation of the torsion energy dissipation pipe 2 driven by the tail end driven wheel 32 can be achieved.
Two parallel rigid linings 8 are arranged in the torsion energy dissipation tube 2, the rigid linings 8 are arranged along the axial direction of the torsion energy dissipation tube 2, and the rigid linings 8 are fixedly connected with the damper base 1; the section of the rigid lining 8 is an I-shaped section or a cross section.
The working principle of the invention is as follows: when the building structure 7 generates a small displacement, the displacement motion is converted into rotation through the crank-slider mechanism 4, the connecting rod end of the crank-slider mechanism 4 is rotationally connected with the rotating shaft of the starting-end driving wheel 31, the starting-end driving wheel 31 is driven by the connecting rod end to rotate around the first pin shaft 6, the angular velocity of the tail-end driven wheel 32 is larger than that of the starting-end driving wheel 31 through the transmission of the speed-increasing gear train 3, the increase of the angular velocity is realized, the tail-end driven wheel 32 is coaxially and fixedly connected with the torsion energy dissipation pipe 2, and the tail-end driven wheel 32 drives the torsion energy dissipation pipe 2 to perform torsion energy dissipation; correspondingly, two sets of slider-crank mechanisms 4 are arranged in the embodiment, hinge points 42 of the two sets of slider-crank mechanisms 4 are arranged on different sides, that is, the two sets of slider-crank mechanisms 4 move in opposite directions, so that the two sets of accelerating gear trains 3 move in opposite directions, and the driven wheels 32 at the tail ends of the two sets of accelerating gear trains 3 pull the torsion energy dissipation pipe 2 from different rotation directions, so that the output efficiency of the torsion energy dissipation pipe 2 is higher.
The embodiment is also provided with two rigid linings 8, wherein the rigid linings 8 are arranged for preventing the torsion energy-consuming tube 2 from wholly buckling and restraining the local buckling when the torsion energy-consuming tube is twisted, so that the torsion energy-consuming tube 2 can fully yield to a full section under the action of external force, and the torsion energy-consuming tube 2 is only twisted; the rigid lining 8 is arranged, so that deformation in the bending direction can be effectively prevented, and the output force of the torsion energy consumption pipe 2 is improved.
In this embodiment, two groups of the start-end driving wheels 31 are fixed by the same pin; namely, two groups of start driving wheels 31 are simultaneously fixed through one first pin shaft 6, so that the structural simplicity and the structural integrity of the invention are enhanced.
Example 2
The difference between the present embodiment and embodiment 1 is that the crank-slider mechanism 4 is arranged on only one side, and correspondingly, the crank-slider mechanism 4 is also matched with only one speed-increasing gear train 3, that is, the present embodiment performs single-side displacement amplification energy dissipation, that is, one end of the torsion energy dissipation pipe 2 is coaxially and fixedly connected with the tail-end driven wheel 32, and the other end of the torsion energy dissipation pipe 2 is fixedly connected to the damper base 1, although the energy dissipation effect is weaker than that of the double-side arrangement, the small displacement of the building structure 7 can be converted into the angular velocity, and the angular velocity is amplified, so that the energy dissipation is further completed.
In the foregoing, various embodiments of the present invention have been described with reference to specific examples. However, it should be understood that: the description of the various embodiments of the present invention is not intended to be limiting. The above description is intended to be exemplary of the invention and not to limit the scope of the invention, which is defined by the claims. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a displacement amplification type metal twists reverse energy consumption damper, its characterized in that, including twisting reverse energy consumption pipe (2), increasing gear (3) and slider-crank mechanism (4), increasing gear (3) are including the top action wheel (31) and the end driven wheel (32) that the transmission is connected, slider-crank mechanism (4) are including the connecting rod end, the connecting rod end rotates with the pivot of top action wheel (31) to be connected, end is followed driven wheel (32) and is twisted reverse the coaxial fixed connection of energy consumption pipe (2).
2. The displacement amplification type metal torsional energy damper of claim 1, further comprising a damper base (1), wherein the torsional energy dissipation tube (2) is fixedly connected with the damper base (1), and the start driving wheel (31) is fixedly connected with the damper base (1).
3. A displacement amplifying type metal torsional energy damper according to claim 2, wherein the torsional energy dissipating tube (2) is fixedly connected with the damper base (1) through a fixing device (5), the starting driving wheel (31) is fixedly connected with the damper base (1) through a first pin shaft (6), and the end driven wheel (32) is fixedly connected with the torsional energy dissipating tube (2) through a fastening device (9).
4. A displacement amplifying type metal torsional energy damper according to claim 1, wherein a rigid lining (8) is arranged in the torsional energy dissipation tube (2), the rigid lining (8) is arranged along the axial direction of the torsional energy dissipation tube (2), and the rigid lining (8) is fixedly connected with the damper base (1).
5. A displacement amplifying metal torsional energy damper as claimed in claim 4, wherein the cross section of the rigid liner (8) comprises an I-section or a cross-section.
6. A displacement amplifying metal torsional energy damper as claimed in claim 4, wherein the rigid inner liner (8) is disposed in two parallel positions.
7. A displacement amplifying metal torsional energy damper according to claim 1, characterized in that the slider-crank mechanism (4) comprises a concentric slider-crank mechanism or an offset slider-crank mechanism.
8. A displacement amplifying metal torsional energy damper as claimed in claim 1, wherein the speed increasing gear train (3) comprises 2-3 gears in driving connection.
9. A displacement amplifying type metal torsional energy damper according to any one of claims 1 to 8, characterized in that the crank block mechanisms (4) are symmetrically arranged in two groups, and the hinge points (42) of the crank block mechanisms (4) in the two groups are arranged on different sides.
10. The displacement-amplifying metal torsional energy damper as claimed in claim 9, wherein two sets of the start driving wheels (31) are fixedly connected with the damper base (1) through the same pin.
CN202110779469.XA 2021-07-09 2021-07-09 Displacement amplification type metal torsion energy dissipation damper Active CN113374110B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110779469.XA CN113374110B (en) 2021-07-09 2021-07-09 Displacement amplification type metal torsion energy dissipation damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110779469.XA CN113374110B (en) 2021-07-09 2021-07-09 Displacement amplification type metal torsion energy dissipation damper

Publications (2)

Publication Number Publication Date
CN113374110A true CN113374110A (en) 2021-09-10
CN113374110B CN113374110B (en) 2022-07-22

Family

ID=77581621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110779469.XA Active CN113374110B (en) 2021-07-09 2021-07-09 Displacement amplification type metal torsion energy dissipation damper

Country Status (1)

Country Link
CN (1) CN113374110B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802716A (en) * 2021-10-09 2021-12-17 同济大学 Interlaminar anti-torsion damper

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201400681A (en) * 2012-06-18 2014-01-01 Jia-Shang Changchien Torsional anti-wind and anti-seismic system and process
CN107012968A (en) * 2017-06-08 2017-08-04 大连大学 Shock-absorbing supporting device for fire-fighting
CN108004909A (en) * 2017-12-08 2018-05-08 广州大学 A kind of gear and crank linkage mechanism shock insulation limiting device
CN111173910A (en) * 2019-11-05 2020-05-19 杨成强 Torsion amplification mechanism and driving mechanism
CN112854512A (en) * 2021-01-12 2021-05-28 广州大学 Rotary damper

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201400681A (en) * 2012-06-18 2014-01-01 Jia-Shang Changchien Torsional anti-wind and anti-seismic system and process
CN107012968A (en) * 2017-06-08 2017-08-04 大连大学 Shock-absorbing supporting device for fire-fighting
CN108004909A (en) * 2017-12-08 2018-05-08 广州大学 A kind of gear and crank linkage mechanism shock insulation limiting device
CN111173910A (en) * 2019-11-05 2020-05-19 杨成强 Torsion amplification mechanism and driving mechanism
CN112854512A (en) * 2021-01-12 2021-05-28 广州大学 Rotary damper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802716A (en) * 2021-10-09 2021-12-17 同济大学 Interlaminar anti-torsion damper

Also Published As

Publication number Publication date
CN113374110B (en) 2022-07-22

Similar Documents

Publication Publication Date Title
CN113374110B (en) Displacement amplification type metal torsion energy dissipation damper
CN109058049B (en) A kind of multidirectional vibration absorber of wind turbine blade prestressed cable and connection method
CN102080421A (en) Damping generation method through torsion type lead extrusion and damper thereof
CN112177185A (en) Displacement response amplification type friction energy dissipation damper based on gear transmission
CN109594671B (en) Energy dissipation and shock absorption system of T-shaped lever mechanism cantilever truss
CN106013497A (en) Multidirectional self-resetting shape memory alloy lead damper
CN103790253A (en) Steel lead lamination node damper
WO2024051550A1 (en) Connecting assembly applied to photovoltaic tracking bracket, main beam structure, and tracking bracket
CN212775362U (en) Torque buffer mechanism
CN102606665A (en) Viscous damper to passively adjust high energy consuming clearances
CN102535671B (en) Bidirectional torsional lead shear damper
CN109519025B (en) Energy dissipation and shock absorption system for cantilever truss of scissor supporting mechanism
CN209637006U (en) Utilize the fluid linking damper transmission device and viscous damping system of ball-screw
CN203641367U (en) Rope type multi-directional shock-resistant self-reposition shape memory alloy device
CN110512749A (en) A kind of coupling beam damper
CN113882732B (en) SMA spring-X shaped steel plate combined type damper
CN106677587B (en) Fan-shaped viscoelastic damper is connected to assembled frame roof beam post
CN214117078U (en) Multi-stage yield laminated metal damper
CN210031465U (en) Generalized acceleration mass damper system for transverse and torsional vibration reduction of suspension bridge
CN105735508A (en) Input rate amplifying device of viscous damper
CN208734177U (en) Barrel type tension and compression damper
CN210797931U (en) SMA wire-friction damper suitable for large-span space structure
CN114673758B (en) Drilling device based on positive and negative rigidity vibration reduction technology
CN109537757A (en) A kind of multidimensional vibration reduction damper based on Stewart mechanism
CN206971451U (en) A kind of SMA mild steel composite buffers

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant