WO2023040055A1 - Composite tuning vibration damping device and vibration damping method thereof - Google Patents
Composite tuning vibration damping device and vibration damping method thereof Download PDFInfo
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- WO2023040055A1 WO2023040055A1 PCT/CN2021/134692 CN2021134692W WO2023040055A1 WO 2023040055 A1 WO2023040055 A1 WO 2023040055A1 CN 2021134692 W CN2021134692 W CN 2021134692W WO 2023040055 A1 WO2023040055 A1 WO 2023040055A1
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- vibration damping
- vibration
- damping device
- suspension mechanism
- frame body
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- 238000013016 damping Methods 0.000 title claims abstract description 60
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000000725 suspension Substances 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims abstract description 14
- 239000012530 fluid Substances 0.000 claims abstract description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims abstract description 6
- 230000001133 acceleration Effects 0.000 claims description 16
- 238000005265 energy consumption Methods 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 230000004044 response Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 239000007787 solid Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- E04H9/0215—Bearing, supporting or connecting constructions specially adapted for such buildings involving active or passive dynamic mass damping systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Definitions
- the invention relates to the technical field of vibration reduction, in particular to a compound tuning vibration reduction device and a vibration reduction method thereof.
- Suspended mass pendulum damper is a relatively economical passive vibration reduction device for high-rise structures. Its outstanding advantage is that the swing direction of the mass pendulum depends entirely on the vibration direction of the structure. In practical applications, the mass pendulum can accurately impart vibration-reducing damping force along the vibration direction.
- Traditional suspended mass pendulum dampers are mostly passive vibration dampers, which cannot dynamically adjust the natural vibration period and vibration damping force according to the service conditions of the structure and real-time vibration, which reduces its vibration damping effect.
- the purpose of the present invention is to provide a composite tuning vibration damping device and its vibration damping method, which can reduce the vibration response of the transmission tower structure in all directions under the action of external force, and achieve the purpose of energy consumption and vibration reduction ; and the natural vibration period of the mass pendulum can be adjusted.
- the embodiment of the present invention provides a composite tuning vibration damping device, which includes a frame body, a suspension mechanism arranged in the center of the frame body and capable of rotating relative to the frame body, and a mass ball is installed at the end of the suspension mechanism; A plurality of energy-consuming units arranged at intervals along the circumference of the suspension mechanism are fixed on the frame body;
- the energy consumption unit includes a damping chamber and a stirring mechanism arranged in the damping chamber.
- the stirring mechanism is connected to the suspension mechanism through a traction cable. When the suspension mechanism swings, it can drive the stirring mechanism to stir the magnetorheological fluid filled in the damping chamber.
- the suspension mechanism includes a cantilever and a telescopic rod, one end of the telescopic rod is rotatably connected to the cantilever, and the other end is connected to a mass ball.
- the pulling cable is connected to the boom through a connecting piece.
- the cantilever is equipped with an acceleration sensor.
- a locking device is installed outside the telescopic rod.
- the agitating mechanism includes a rotating shaft and blades mounted on the rotating shaft, the blades are circumferentially arranged with energized coils.
- a casing is installed outside the damping chamber, and the energized coil and blades are arranged in the damping chamber.
- the rotating shaft is sleeved on a return spring, one end of the returning spring is fixed to the rotating shaft, and the other end is connected to the inner wall of the housing or the outer wall of the damping chamber.
- an acceleration sensor is installed on the mass ball.
- the embodiment of the present invention also provides a suspension type composite tuning vibration reduction method, using the vibration reduction device, under the action of external force, the mass ball swings, and the rotating shaft and the blade are rotated by pulling the traction cable; the blade The magnetorheological fluid in the damping chamber is stirred, and the energized coil is energized to generate a magnetic field; at the same time, the vibration information is detected in real time through the acceleration sensor and sent back to the control unit.
- the present invention utilizes the suspended mass pendulum to realize the multi-dimensional vibration in the plane, so that the mass pendulum can accurately swing along the vibration direction of the transmission tower structure, and provide accurate vibration reduction and damping force; the mass pendulum passes through the traction cable Connecting the energy-dissipating unit enables the energy-dissipating unit to realize the energy-dissipating effect while swinging; the mass pendulum is combined with the energy-dissipating unit to enhance the effect of vibration reduction and energy-dissipating.
- the present invention constitutes a frequency adjustment system through the telescopic rod and the locking device, and adjusts the swing radius of the mass pendulum through the telescopic rod to achieve the purpose of adjusting the natural vibration period of the shock absorber; and the locking device can prevent the mass ball from slipping after the position is determined. to improve the stability of the vibration damping effect.
- the energy consumption unit of the present invention changes the viscosity of the magnetorheological fluid through the rotation of the blades, indirectly changes the damping force and energy dissipation capacity of the vibration damping device, and improves the vibration control effect.
- the present invention realizes the dynamic monitoring of the vibration process by setting the acceleration sensor, and provides a basis for adjusting the period of the vibration device.
- Figure 1 is a perspective view of the present invention according to one or more embodiments
- Figure 2 is a front view of the present invention according to one or more embodiments
- Fig. 3 is a perspective view of a locking device according to one or more embodiments of the present invention.
- Fig. 4 is a schematic structural diagram of a locking assembly according to one or more embodiments of the present invention.
- Fig. 5 is a schematic structural diagram of an energy consumption unit according to one or more embodiments of the present invention.
- This embodiment provides a compound tuning vibration damping device, as shown in Figure 1 and Figure 2, including a frame body 1, an energy dissipation unit 12, a mass ball 11, and a suspension mechanism, and the frame body 1 is used to support various components, and
- the structure can be set according to actual installation requirements; the frame body 1 of the present embodiment is a rectangular frame, the suspension mechanism is located at the center of the frame body 1, and the top of the suspension mechanism is installed with the first connecting piece 2, and the first connecting piece 2 is connected to the frame during use.
- the structure of the transmission tower (such as a transmission tower) is fixed; the mass ball 11 is installed at the bottom of the suspension mechanism.
- the mass ball 11 is a metal solid ball, such as an iron solid ball, so as to provide a large enough mass with as small a volume as possible, which is beneficial to provide a damping force for the vibration-damping structure.
- the quality of the mass ball 11 should be selected according to the needs of the vibration-damping structure. When the vibration-damping reaction force required by the structure is insufficient, the number of the vibration-damping structure can be increased, or the mass of the mass ball 11 can be increased.
- the suspension mechanism includes a cantilever 4 and a telescopic rod 8, one end of the cantilever 4 is connected to the first connecting piece 2 through the first universal ball joint 3, and the first connecting piece 2 is connected to the transmission tower structure (such as a transmission tower) , so that the cantilever 4 can swing around the connection point under the action of vibration, and provide sufficient vibration-reducing damping force for the structure of the transmission tower.
- the transmission tower structure such as a transmission tower
- the other end of the cantilever 4 is connected to one end of the telescopic rod 8 through the second universal ball joint 6, and the other end of the telescopic rod 8 is connected to the mass ball 11; the distance between the mass ball 11 and the top connection point is adjusted through the telescopic rod 8, thereby adjusting the vibration frequency to meet the requirements of different working conditions.
- the telescopic rod 8 can be an electric telescopic rod, a hydraulic telescopic rod or the like.
- a locking device 7 is provided outside the telescopic rod 8 .
- the locking device 7 of this embodiment includes a limiting plate 18 and a locking component 17 , the locking component 17 is fixed on the outside of the telescopic rod 8 and cooperates with the limiting plate 18 .
- the locking assembly 17 includes a support, a gear 19 and an electric lock pin 20 , the support is fixed to the telescopic rod 8 , and the gear 19 is rotatably connected to the support.
- Electric locking pins 20 are installed on the upper and lower sides of the gear 19 , and the gear 19 meshes with the rack structure provided on the side of the limiting plate 18 .
- the electric lock pin 20 is a controllable pawl structure, for example, the pawl is connected to a motor.
- the gear 19 can be locked by the electric lock pin 20, and the telescopic rod 8 can be normally stretched after withdrawing from the electric lock pin 20.
- the safety of the telescopic rod 8 is enhanced by the locking device 7, ensuring that the mass ball 11 does not slide along the direction of the suspension structure during the swing process.
- the locking device can also adopt other structures, as long as the locking and unlocking of the telescopic rod can be realized.
- the cantilever 4 is provided with a plurality of second connecting parts 5 at intervals in the circumferential direction, and the second connecting parts 5 are connected to the energy dissipation unit 12 through the traction rope 14 ;
- the second connecting piece 5 is an annular connecting piece.
- the energy consumption unit 12 includes a housing 23, an agitating mechanism, a damping chamber 26 and an energized coil 16.
- the inside of the housing 23 is a closed cavity, and the inside of the housing 23 forms a damping chamber 26 through a partition plate 25.
- the damping chamber 26 is filled with magnetorheological fluid.
- the agitating mechanism includes a rotating shaft 22 and a blade 9, the rotating shaft 22 extends into the casing 23, and a capstan 21 is installed at one end outside the casing 23, and one end of the traction cable 14 is fixed to the capstan 21 and wound around the capstan 21 With a certain length, the winch 21 is drawn by the traction cable 14 to drive the rotating shaft 22 to rotate, so that the blade 9 stirs the magnetorheological fluid.
- the traction cables 14 are steel strands, 8 steel strands are provided, and the angle between adjacent steel strands is 45°, so as to form a stable vibration-damping structure.
- the outer side of the blade 9 is provided with a energized coil 16, the energized coil 16 is connected to a power supply, and the power supply is connected to the control unit 27; when the rotating shaft 22 rotates, the control unit 27 controls the energized coil 16 to energize, and the magnetic flow in the damping chamber 26 is changed by the generated magnetic field. Change the viscosity of the liquid, so as to realize the adjustment of damping force and energy dissipation capacity.
- the rotation state of the rotating shaft 22 can be monitored by installing an angle sensor on the rotating shaft 22 .
- the part of the rotating shaft 22 located outside the damping cavity 26 is covered with a return spring 24, and the returning spring 24 is arranged between the partition plate 25 and the inner wall of the housing 23.
- One end of the returning spring 24 is fixed to the rotating shaft 22, and the other end is connected to the housing. 23 or dividing plate 25 are fixed.
- the back-moving spring 24 plays the role of resetting the traction cable 14 so that it is in a pre-tightened state.
- the mass ball 11 of the present embodiment is installed with the first acceleration sensor 10 for monitoring its dynamics
- the cantilever 4 is installed with the second acceleration sensor 13 for monitoring its dynamics
- the third acceleration sensor 15 is installed on the frame body 1 or the transmission tower structure, It is used to monitor the real-time dynamic response of the structure to be damped.
- the acceleration sensor in this embodiment is connected with the central processing unit. The monitoring of the vibration period is realized by the acceleration sensor; the natural frequency of the acceleration sensor itself is much higher than the vibration frequency of the structure under test.
- This embodiment is mainly applied to controlling the vibration response of the transmission tower and reducing the damage of the vibration to the transmission tower line system.
- This embodiment provides a composite tuning and vibration reduction method.
- the vibration reduction device described in Embodiment 1 when the structure of the transmission tower vibrates, the mass ball 11 is caused to swing; The rotating shaft 22 of the energy unit 12 and the vanes 9 rotate to stir the magnetorheological fluid in the damping chamber 26 .
- the energized coil 16 is powered on to generate a magnetic field, and the strength of the magnetic field is changed by changing the magnitude of the current, thereby affecting the viscosity of the magneto-rheological fluid and adjusting the damping force and energy dissipation capacity of the energy-consuming unit.
- the energized coil 16 of the corresponding energy consumption unit 12 is powered on to generate damping force and energy dissipation capacity.
- the energized coil 16 is powered off, and the traction cable 14 is reset. Under the effect of spring 24, be in tightened state all the time.
- the structural vibration disappears, the vibration energy of the mass ball 11 is dissipated along with the consumption of the energy-consuming unit, and the structure and the shock-absorbing device return to stability.
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- Engineering & Computer Science (AREA)
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- Environmental & Geological Engineering (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
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Abstract
A composite tuning vibration damping device and a vibration damping method thereof. The composite tuning vibration damping device comprises a frame body (1), and a suspension mechanism arranged in the center of the frame body (1) and capable of rotating relative to the frame body (1), wherein a mass ball (11) is mounted at a terminal end of the suspension mechanism; a plurality of energy dissipation units (12) are fixed on the frame body (1) and arranged at intervals in a circumferential direction of the suspension mechanism; each energy dissipation unit (12) comprises a damping cavity (26) and a stirring mechanism arranged in the damping cavity (26); the stirring mechanism is connected to the suspension mechanism by means of a traction cable (14); and when the suspension mechanism swings, the stirring mechanism can be driven to stir magnetorheological fluid filled in the damping cavity (26). The vibration damping device can reduce the vibration response of a power transmission tower structure in all directions under the action of an external force, achieve the purposes of energy dissipation and vibration reduction, and adjust the self-vibration period of a mass pendulum.
Description
本发明涉及减振技术领域，尤其涉及一种复合调谐减振装置及其减振方法。The invention relates to the technical field of vibration reduction, in particular to a compound tuning vibration reduction device and a vibration reduction method thereof.
在地震和风荷载的作用下，高耸结构会产生振动，严重降低高耸结构的安全性。悬挂质量摆阻尼器是一种比较经济的高耸结构被动减振装置，其突出的优点在于质量摆的摆动方向完全取决于结构的振动方向。在实际应用中，质量摆能够准确地给予沿振动方向的减振阻尼力。Under the action of earthquake and wind load, the high-rise structure will vibrate, which seriously reduces the safety of the high-rise structure. Suspended mass pendulum damper is a relatively economical passive vibration reduction device for high-rise structures. Its outstanding advantage is that the swing direction of the mass pendulum depends entirely on the vibration direction of the structure. In practical applications, the mass pendulum can accurately impart vibration-reducing damping force along the vibration direction.
传统的悬挂质量摆阻尼器多为被动减振，无法根据结构的服役情况和实时振动做出自振周期和减振阻尼力的动态调整，降低了其减振效果。Traditional suspended mass pendulum dampers are mostly passive vibration dampers, which cannot dynamically adjust the natural vibration period and vibration damping force according to the service conditions of the structure and real-time vibration, which reduces its vibration damping effect.
针对现有技术存在的不足，本发明的目的是提供一种复合调谐减振装置及其减振方法，能够减小输电塔结构在外力作用下各个方向的振动响应，达到耗能减振的目的；且能够调整质量摆的自振周期。In view of the deficiencies in the prior art, the purpose of the present invention is to provide a composite tuning vibration damping device and its vibration damping method, which can reduce the vibration response of the transmission tower structure in all directions under the action of external force, and achieve the purpose of energy consumption and vibration reduction ; and the natural vibration period of the mass pendulum can be adjusted.
为了实现上述目的，本发明是通过如下的技术方案来实现：In order to achieve the above object, the present invention is achieved through the following technical solutions:
第一方面，本发明的实施例提供了一种复合调谐减振装置，包括架体、设于架体中心并能够相对架体转动的悬吊机构，所述悬吊机构末端安装质量球；所述架体上固定有多个沿悬吊机构周向间隔设置的耗能单元；In the first aspect, the embodiment of the present invention provides a composite tuning vibration damping device, which includes a frame body, a suspension mechanism arranged in the center of the frame body and capable of rotating relative to the frame body, and a mass ball is installed at the end of the suspension mechanism; A plurality of energy-consuming units arranged at intervals along the circumference of the suspension mechanism are fixed on the frame body;
所述耗能单元包括阻尼腔、设于阻尼腔内的搅动机构，所述搅动机构通过牵引索连接悬吊机构，悬吊机构摆动时能够带动搅拌机构搅拌阻尼腔内填充的磁流变液。The energy consumption unit includes a damping chamber and a stirring mechanism arranged in the damping chamber. The stirring mechanism is connected to the suspension mechanism through a traction cable. When the suspension mechanism swings, it can drive the stirring mechanism to stir the magnetorheological fluid filled in the damping chamber.
作为进一步的实现方式，所述悬吊机构包括悬臂、伸缩杆，所述伸缩杆的一端与悬臂转动连接，另一端连接质量球。As a further implementation manner, the suspension mechanism includes a cantilever and a telescopic rod, one end of the telescopic rod is rotatably connected to the cantilever, and the other end is connected to a mass ball.
作为进一步的实现方式，所述牵引索通过连接件与悬臂相连。As a further implementation manner, the pulling cable is connected to the boom through a connecting piece.
作为进一步的实现方式，所述悬臂安装有加速度传感器。As a further implementation manner, the cantilever is equipped with an acceleration sensor.
作为进一步的实现方式，所述伸缩杆外侧安装锁定装置。As a further implementation, a locking device is installed outside the telescopic rod.
作为进一步的实现方式，所述搅动机构包括转轴、安装于转轴的叶片，所述叶片周向布置有通电线圈。As a further implementation manner, the agitating mechanism includes a rotating shaft and blades mounted on the rotating shaft, the blades are circumferentially arranged with energized coils.
作为进一步的实现方式，所述阻尼腔外侧安装壳体，所述通电线圈和叶片设置于阻尼腔中。As a further implementation manner, a casing is installed outside the damping chamber, and the energized coil and blades are arranged in the damping chamber.
作为进一步的实现方式，所述转轴上套设于复位弹簧，复位弹簧一端与转轴固定，另一端与壳体内壁或阻尼腔外壁连接。As a further implementation, the rotating shaft is sleeved on a return spring, one end of the returning spring is fixed to the rotating shaft, and the other end is connected to the inner wall of the housing or the outer wall of the damping chamber.
作为进一步的实现方式，所述质量球上安装有加速度传感器。As a further implementation manner, an acceleration sensor is installed on the mass ball.
第二方面，本发明实施例还提供了一种悬挂式复合调谐减振方法，采用所述的减振装置，在外力作用下，质量球摆动，通过牵引索拉伸使转轴和叶片旋转；叶片搅动阻尼腔内的磁流变液，通电线圈通电产生磁场；同时通过加速度传感器实时检测振动信息并反至控制单元。In the second aspect, the embodiment of the present invention also provides a suspension type composite tuning vibration reduction method, using the vibration reduction device, under the action of external force, the mass ball swings, and the rotating shaft and the blade are rotated by pulling the traction cable; the blade The magnetorheological fluid in the damping chamber is stirred, and the energized coil is energized to generate a magnetic field; at the same time, the vibration information is detected in real time through the acceleration sensor and sent back to the control unit.
（1）本发明利用悬吊质量摆实现了在平面内的多维振动，使质量摆可准确的沿着输电塔结构的振动方向发生摆动，提供方向准确的减振阻尼力；质量摆通过牵引索连接耗能单元，能够在摆动的同时使耗能单元实现耗能效果；质量摆与耗能单元结合，增强减振耗能效果。(1) The present invention utilizes the suspended mass pendulum to realize the multi-dimensional vibration in the plane, so that the mass pendulum can accurately swing along the vibration direction of the transmission tower structure, and provide accurate vibration reduction and damping force; the mass pendulum passes through the traction cable Connecting the energy-dissipating unit enables the energy-dissipating unit to realize the energy-dissipating effect while swinging; the mass pendulum is combined with the energy-dissipating unit to enhance the effect of vibration reduction and energy-dissipating.
（2）本发明通过伸缩杆和锁定装置构成频率调节***，通过伸缩杆调整质量摆摆动半径，达到调节减震装置自振周期的目的；且设置锁定装置，能够避免质量球位置确定后出现滑移，提高减振效果的稳定性。(2) The present invention constitutes a frequency adjustment system through the telescopic rod and the locking device, and adjusts the swing radius of the mass pendulum through the telescopic rod to achieve the purpose of adjusting the natural vibration period of the shock absorber; and the locking device can prevent the mass ball from slipping after the position is determined. to improve the stability of the vibration damping effect.
（3）本发明的耗能单元通过叶片旋转改变磁流变液的粘滞性，间接改变减振装置的阻尼力和耗能能力，提高振动控制效果。(3) The energy consumption unit of the present invention changes the viscosity of the magnetorheological fluid through the rotation of the blades, indirectly changes the damping force and energy dissipation capacity of the vibration damping device, and improves the vibration control effect.
（4）本发明通过设置加速度传感器，实现振动过程的动态监测，为调节振动装置的周期提供基础。(4) The present invention realizes the dynamic monitoring of the vibration process by setting the acceleration sensor, and provides a basis for adjusting the period of the vibration device.
构成本发明的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention.
图1是本发明根据一个或多个实施方式的立体图；Figure 1 is a perspective view of the present invention according to one or more embodiments;
图2是本发明根据一个或多个实施方式的主视图；Figure 2 is a front view of the present invention according to one or more embodiments;
图3是本发明根据一个或多个实施方式的锁定装置立体图；Fig. 3 is a perspective view of a locking device according to one or more embodiments of the present invention;
图4是本发明根据一个或多个实施方式的锁定组件结构示意图；Fig. 4 is a schematic structural diagram of a locking assembly according to one or more embodiments of the present invention;
图5是本发明根据一个或多个实施方式的耗能单元结构示意图；Fig. 5 is a schematic structural diagram of an energy consumption unit according to one or more embodiments of the present invention;
其中，1、架体，2、第一连接件，3、第一万向球铰，4、悬臂，5、第二连接件，6、第二万向球铰，7、锁定装置，8、伸缩杆，9、叶片，10、第一加速度传感器，11、质量球，12、耗能单元，13、第二加速度传感器，14、牵引索，15、第三加速度传感器，16、通电线圈，17、锁定组件，18、限位板，19、齿轮，20、电动锁销，21、绞盘，22、转轴，23、壳体，24、复位弹簧，25、分隔板，26、阻尼腔，27、控制单元。Among them, 1. frame body, 2. first connecting piece, 3. first universal ball joint, 4. cantilever, 5. second connecting piece, 6. second universal ball joint, 7. locking device, 8. Telescopic rod, 9, blade, 10, first acceleration sensor, 11, mass ball, 12, energy consumption unit, 13, second acceleration sensor, 14, traction cable, 15, third acceleration sensor, 16, energized coil, 17 , locking assembly, 18, limit plate, 19, gear, 20, electric lock pin, 21, winch, 22, rotating shaft, 23, housing, 24, return spring, 25, partition plate, 26, damping chamber, 27 ,control unit.
本实施例提供了一种复合调谐减振装置，如图1和图2所示，包括架体1、耗能单元12、质量球11、悬吊机构，架体1用于支撑各部件，其结构可以根据实际安装要求设置；本实施例的架体1为矩形框架，悬吊机构设于架体1中心，悬吊机构的顶端安装第一连接件2，使用时通过第一连接件2与输电塔结构（例如输电杆塔）固定；质量球11安装于悬吊机构底端。This embodiment provides a compound tuning vibration damping device, as shown in Figure 1 and Figure 2, including a frame body 1, an energy dissipation unit 12, a mass ball 11, and a suspension mechanism, and the frame body 1 is used to support various components, and The structure can be set according to actual installation requirements; the frame body 1 of the present embodiment is a rectangular frame, the suspension mechanism is located at the center of the frame body 1, and the top of the suspension mechanism is installed with the first connecting piece 2, and the first connecting piece 2 is connected to the frame during use. The structure of the transmission tower (such as a transmission tower) is fixed; the mass ball 11 is installed at the bottom of the suspension mechanism.
所述质量球11为金属实心球，例如铁质实心球，以用尽可能小的体积提供足够大的质量，有利于为减振结构提供阻尼力。质量球11的质量应根据减振结构的需要选择，当结构需要的减振反力不足时，可增加该减振结构数量，或增加质量球11的质量。The mass ball 11 is a metal solid ball, such as an iron solid ball, so as to provide a large enough mass with as small a volume as possible, which is beneficial to provide a damping force for the vibration-damping structure. The quality of the mass ball 11 should be selected according to the needs of the vibration-damping structure. When the vibration-damping reaction force required by the structure is insufficient, the number of the vibration-damping structure can be increased, or the mass of the mass ball 11 can be increased.
进一步的，所述悬吊机构包括悬臂4、伸缩杆8，悬臂4一端通过第一万向球铰3与第一连接件2连接，第一连接件2与输电塔结构（例如输电杆塔）连接，以使在振动作用下悬臂4能够绕连接点摆动，为输电塔结构提供足够的减振阻尼力。Further, the suspension mechanism includes a cantilever 4 and a telescopic rod 8, one end of the cantilever 4 is connected to the first connecting piece 2 through the first universal ball joint 3, and the first connecting piece 2 is connected to the transmission tower structure (such as a transmission tower) , so that the cantilever 4 can swing around the connection point under the action of vibration, and provide sufficient vibration-reducing damping force for the structure of the transmission tower.
所述悬臂4另一端通过第二万向球铰6连接伸缩杆8的一端，伸缩杆8的另一端连接质量球11；通过伸缩杆8调节质量球11与顶部连接点的距离，从而调节振动频率，以满足不同的工况要求。所述伸缩杆8可以为电动伸缩杆、液压伸缩杆等。The other end of the cantilever 4 is connected to one end of the telescopic rod 8 through the second universal ball joint 6, and the other end of the telescopic rod 8 is connected to the mass ball 11; the distance between the mass ball 11 and the top connection point is adjusted through the telescopic rod 8, thereby adjusting the vibration frequency to meet the requirements of different working conditions. The telescopic rod 8 can be an electric telescopic rod, a hydraulic telescopic rod or the like.
如图3所示，为了防止质量球11在调整至合适位置后因外力作用产生滑移，在伸缩杆8外侧设置锁定装置7。本实施例的锁定装置7包括限位板18和锁定组件17，所述锁定组件17固定于伸缩杆8外侧，其与限位板18配合。如图4所示，锁定组件17包括支撑件、齿轮19和电动锁销20，支撑件与伸缩杆8固定，齿轮19与支撑件转动连接。As shown in FIG. 3 , in order to prevent the mass ball 11 from slipping due to external force after being adjusted to a proper position, a locking device 7 is provided outside the telescopic rod 8 . The locking device 7 of this embodiment includes a limiting plate 18 and a locking component 17 , the locking component 17 is fixed on the outside of the telescopic rod 8 and cooperates with the limiting plate 18 . As shown in FIG. 4 , the locking assembly 17 includes a support, a gear 19 and an electric lock pin 20 , the support is fixed to the telescopic rod 8 , and the gear 19 is rotatably connected to the support.
所述齿轮19上下两侧均安装电动锁销20，且齿轮19与限位板18侧面设置的齿条结构啮合。其中，电动锁销20为可控的棘爪结构，例如棘爪连接电机。通过电动锁销20卡入齿轮19可将其锁止，退出电动锁销20后伸缩杆8可正常伸缩。通过该锁定装置7增强了伸缩杆8的安全性，保证质量球11在摆动过程中不发生沿悬吊结构方向的滑动。Electric locking pins 20 are installed on the upper and lower sides of the gear 19 , and the gear 19 meshes with the rack structure provided on the side of the limiting plate 18 . Wherein, the electric lock pin 20 is a controllable pawl structure, for example, the pawl is connected to a motor. The gear 19 can be locked by the electric lock pin 20, and the telescopic rod 8 can be normally stretched after withdrawing from the electric lock pin 20. The safety of the telescopic rod 8 is enhanced by the locking device 7, ensuring that the mass ball 11 does not slide along the direction of the suspension structure during the swing process.
可以理解的，在其他实施例中，锁定装置也可以采用其他结构，只要能够实现对伸缩杆的锁止和解锁即可。It can be understood that in other embodiments, the locking device can also adopt other structures, as long as the locking and unlocking of the telescopic rod can be realized.
进一步的，所述悬臂4周向间隔设置多个第二连接件5，第二连接件5通过牵引索14连接耗能单元12；通过牵引索14使质量球11与耗能单元12协同作用。在本实施例中，所述第二连接件5为环形连接件。Further, the cantilever 4 is provided with a plurality of second connecting parts 5 at intervals in the circumferential direction, and the second connecting parts 5 are connected to the energy dissipation unit 12 through the traction rope 14 ; In this embodiment, the second connecting piece 5 is an annular connecting piece.
如图5所示，所述耗能单元12包括壳体23、搅动机构、阻尼腔26和通电线圈16，壳体23内部为封闭的空腔，其内部通过分隔板25形成阻尼腔26，阻尼腔26中填充磁流变液。As shown in FIG. 5, the energy consumption unit 12 includes a housing 23, an agitating mechanism, a damping chamber 26 and an energized coil 16. The inside of the housing 23 is a closed cavity, and the inside of the housing 23 forms a damping chamber 26 through a partition plate 25. The damping chamber 26 is filled with magnetorheological fluid.
进一步的，所述搅动机构包括转轴22和叶片9，转轴22伸入壳体23中，其位于壳体23外侧的一端安装绞盘21，牵引索14的一端与绞盘21固定并绕于绞盘21上一定长度，通过牵引索14牵引绞盘21带动转轴22旋转，以使叶片9搅动磁流变液。Further, the agitating mechanism includes a rotating shaft 22 and a blade 9, the rotating shaft 22 extends into the casing 23, and a capstan 21 is installed at one end outside the casing 23, and one end of the traction cable 14 is fixed to the capstan 21 and wound around the capstan 21 With a certain length, the winch 21 is drawn by the traction cable 14 to drive the rotating shaft 22 to rotate, so that the blade 9 stirs the magnetorheological fluid.
在本实施例中，所述牵引索14为钢绞线，设置8根钢绞线，相邻钢绞线的夹角为45°，以形成稳定的减振结构。In this embodiment, the traction cables 14 are steel strands, 8 steel strands are provided, and the angle between adjacent steel strands is 45°, so as to form a stable vibration-damping structure.
所述叶片9外侧设有通电线圈16，通电线圈16连接电源，所述电源连接控制单元27；当转轴22旋转时控制单元27控制通电线圈16通电，通过产生的磁场改变阻尼腔26内磁流变液的粘滞性，从而实现阻尼力与耗能能力的调节。可通过在转轴22上安装角度传感器监测转轴22的旋转状态。The outer side of the blade 9 is provided with a energized coil 16, the energized coil 16 is connected to a power supply, and the power supply is connected to the control unit 27; when the rotating shaft 22 rotates, the control unit 27 controls the energized coil 16 to energize, and the magnetic flow in the damping chamber 26 is changed by the generated magnetic field. Change the viscosity of the liquid, so as to realize the adjustment of damping force and energy dissipation capacity. The rotation state of the rotating shaft 22 can be monitored by installing an angle sensor on the rotating shaft 22 .
进一步的，转轴22位于阻尼腔26外侧的部分套设有复位弹簧24，复位弹簧24设于分隔板25与壳体23内壁之间，复位弹簧24一端与转轴22固定，另一端与壳体23或分隔板25固定。复位弹簧24起到复位牵引索14，使其处于预紧状态的作用。Further, the part of the rotating shaft 22 located outside the damping cavity 26 is covered with a return spring 24, and the returning spring 24 is arranged between the partition plate 25 and the inner wall of the housing 23. One end of the returning spring 24 is fixed to the rotating shaft 22, and the other end is connected to the housing. 23 or dividing plate 25 are fixed. The back-moving spring 24 plays the role of resetting the traction cable 14 so that it is in a pre-tightened state.
本实施例的质量球11安装用于监测其动态的第一加速度传感器10，悬臂4安装用于监测其动态的第二加速度传感器13，架体1或输电塔结构上安装第三加速度传感器15，用于监测需减振结构的实时动态响应。本实施例的加速度传感器与中央处理器相连。通过加速度传感器实现振动周期的监测；加速度感应器自身的固有频率远大于被测结构的振动频率。The mass ball 11 of the present embodiment is installed with the first acceleration sensor 10 for monitoring its dynamics, the cantilever 4 is installed with the second acceleration sensor 13 for monitoring its dynamics, and the third acceleration sensor 15 is installed on the frame body 1 or the transmission tower structure, It is used to monitor the real-time dynamic response of the structure to be damped. The acceleration sensor in this embodiment is connected with the central processing unit. The monitoring of the vibration period is realized by the acceleration sensor; the natural frequency of the acceleration sensor itself is much higher than the vibration frequency of the structure under test.
本实施例主要应用于控制输电杆塔的振动响应，减少振动对输电塔线体系的损害。This embodiment is mainly applied to controlling the vibration response of the transmission tower and reducing the damage of the vibration to the transmission tower line system.
本实施例提供了复合调谐减振方法，采用实施例一所述的减振装置，当输电塔结构发生振动时，引起质量球11摆动；摆动的质量球11通过带动牵引索14拉伸引起耗能单元12的转轴22和叶片9转动，搅动阻尼腔26内的磁流变液。This embodiment provides a composite tuning and vibration reduction method. Using the vibration reduction device described in Embodiment 1, when the structure of the transmission tower vibrates, the mass ball 11 is caused to swing; The rotating shaft 22 of the energy unit 12 and the vanes 9 rotate to stir the magnetorheological fluid in the damping chamber 26 .
通电线圈16接通电源，产生磁场，通过改变电流的大小改变磁场的强弱，从而影响磁流变液的粘滞性，起到调整耗能单元阻尼力和耗能能力的作用。当牵引索14受到拉力时，其对应的耗能单元12的通电线圈16接通电源，产生阻尼力和耗能能力，当牵引索14拉力消失，通电线圈16断开电源，牵引索14在复位弹簧24的作用下始终处于收紧状态。当结构振动消失，质量球11的振动能量随着耗能单元的消耗而耗散，结构和减震装置恢复平稳。The energized coil 16 is powered on to generate a magnetic field, and the strength of the magnetic field is changed by changing the magnitude of the current, thereby affecting the viscosity of the magneto-rheological fluid and adjusting the damping force and energy dissipation capacity of the energy-consuming unit. When the traction cable 14 is pulled, the energized coil 16 of the corresponding energy consumption unit 12 is powered on to generate damping force and energy dissipation capacity. When the traction cable 14 tension disappears, the energized coil 16 is powered off, and the traction cable 14 is reset. Under the effect of spring 24, be in tightened state all the time. When the structural vibration disappears, the vibration energy of the mass ball 11 is dissipated along with the consumption of the energy-consuming unit, and the structure and the shock-absorbing device return to stability.
以上所述仅为本申请的优选实施例而已，并不用于限制本申请，对于本领域的技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。The above descriptions are only preferred embodiments of the present application, and are not intended to limit the present application. For those skilled in the art, various modifications and changes may be made to the present application. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included within the protection scope of this application.
Claims (10)
- 一种复合调谐减振装置，其特征在于，包括架体、设于架体中心并能够相对架体转动的悬吊机构，所述悬吊机构末端安装质量球；所述架体上固定有多个沿悬吊机构周向间隔设置的耗能单元；A composite tuned vibration damping device, characterized in that it comprises a frame body, a suspension mechanism located at the center of the frame body and capable of rotating relative to the frame body, a quality ball is installed at the end of the suspension mechanism; an energy dissipation unit arranged at intervals along the circumference of the suspension mechanism;所述耗能单元包括阻尼腔、设于阻尼腔内的搅动机构，所述搅动机构通过牵引索连接悬吊机构，悬吊机构摆动时能够带动搅拌机构搅拌阻尼腔内填充的磁流变液。The energy consumption unit includes a damping chamber and a stirring mechanism arranged in the damping chamber. The stirring mechanism is connected to the suspension mechanism through a traction cable. When the suspension mechanism swings, it can drive the stirring mechanism to stir the magnetorheological fluid filled in the damping chamber.
- 根据权利要求1所述的一种复合调谐减振装置，其特征在于，所述悬吊机构包括悬臂、伸缩杆，所述伸缩杆的一端与悬臂转动连接，另一端连接质量球。The composite tuning vibration damping device according to claim 1, wherein the suspension mechanism comprises a cantilever and a telescopic rod, one end of the telescopic rod is rotatably connected to the cantilever, and the other end is connected to a mass ball.
- 根据权利要求2所述的一种复合调谐减振装置，其特征在于，所述牵引索通过连接件与悬臂相连。A composite tuning vibration damping device according to claim 2, wherein the traction cable is connected to the cantilever through a connecting piece.
- 根据权利要求2或3所述的一种复合调谐减振装置，其特征在于，所述悬臂安装有加速度传感器。A compound tuning vibration damping device according to claim 2 or 3, characterized in that an acceleration sensor is installed on the cantilever.
- 根据权利要求2所述的一种复合调谐减振装置，其特征在于，所述伸缩杆外侧安装锁定装置。A compound tuning vibration damping device according to claim 2, characterized in that a locking device is installed on the outer side of the telescopic rod.
- 根据权利要求1所述的一种复合调谐减振装置，其特征在于，所述搅动机构包括转轴、安装于转轴的叶片，所述叶片周向布置有通电线圈。The composite tuning vibration damping device according to claim 1, wherein the agitating mechanism comprises a rotating shaft and blades mounted on the rotating shaft, and the blades are circumferentially arranged with energized coils.
- 根据权利要求6所述的一种复合调谐减振装置，其特征在于，所述阻尼腔外侧安装壳体，所述通电线圈和叶片设置于阻尼腔中。The compound tuning vibration damping device according to claim 6, characterized in that a shell is installed outside the damping chamber, and the energized coil and blades are arranged in the damping chamber.
- 根据权利要求6所述的一种复合调谐减振装置，其特征在于，所述转轴上套设于复位弹簧，复位弹簧一端与转轴固定，另一端与壳体内壁或阻尼腔外壁连接。The composite tuning and damping device according to claim 6, wherein the rotating shaft is sheathed on a return spring, one end of the returning spring is fixed to the rotating shaft, and the other end is connected to the inner wall of the housing or the outer wall of the damping chamber.
- 根据权利要求1所述的一种复合调谐减振装置，其特征在于，所述质量球上安装有加速度传感器。A compound tuning vibration damping device according to claim 1, characterized in that an acceleration sensor is installed on the mass ball.
- 一种复合调谐减振方法，其特征在于，采用如权利要求1-9任一所述的减振装置，在外力作用下，质量球摆动，通过牵引索拉伸使转轴和叶片旋转；叶片搅动阻尼腔内的磁流变液，通电线圈通电产生磁场；同时通过加速度传感器实时检测振动信息并反至控制单元。A compound tuning vibration reduction method, characterized in that, using the vibration reduction device as described in any one of claims 1-9, under the action of an external force, the mass ball swings, and the rotating shaft and the blade are rotated by stretching the traction cable; the blade stirs The magnetorheological fluid in the damping chamber is energized to generate a magnetic field; at the same time, the vibration information is detected in real time through the acceleration sensor and sent back to the control unit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914403A (en) * | 2023-07-17 | 2023-10-20 | 亳州广播电视台 | High-stability broadcast television antenna |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513103B (en) * | 2021-09-14 | 2021-12-17 | 中国电建集团山东电力建设第一工程有限公司 | Suspension type composite tuning vibration reduction device and method |
| CN114482320B (en) * | 2022-03-30 | 2023-02-03 | 中联西北工程设计研究院有限公司 | Compound pendulum energy dissipation damping structure suitable for super high-rise building and assembling method thereof |
| CN114737814B (en) * | 2022-05-22 | 2024-04-12 | 北京工业大学 | Vibration reduction power transmission tower system with composite vibration isolation base and cantilever tuning beam |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012720A (en) * | 2009-06-30 | 2011-01-20 | Shimizu Corp | Suspending vibration control structure |
| CN106948640A (en) * | 2017-05-08 | 2017-07-14 | 山东大学 | Suspension type multidimensional multistage energy by collision damper |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| CN206681188U (en) * | 2017-04-17 | 2017-11-28 | 武汉理工大学 | Suspended tuning mass damper |
| CN110835963A (en) * | 2019-11-26 | 2020-02-25 | 大连理工大学 | Yaw-based wind power generation structure vibration control tuned mass damper |
| CN110886806A (en) * | 2019-12-04 | 2020-03-17 | 安徽江淮汽车集团股份有限公司 | Rotary magnetorheological damper |
| WO2020239590A1 (en) * | 2019-05-24 | 2020-12-03 | Soh Wind Tunnels Aps | Pendulum mass damper |
| CN113513103A (en) * | 2021-09-14 | 2021-10-19 | 中国电建集团山东电力建设第一工程有限公司 | Suspension type composite tuning vibration reduction device and method |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005005857A1 (en) * | 2003-07-11 | 2005-01-20 | Oiles Corporation | Dynamic vibration absorber and dynamic vibration absorbing device using the same |
| CN102345333B (en) * | 2011-10-23 | 2013-08-28 | 湖南科技大学 | Variable-rigidity and variable-damping tuned mass damper |
| CN102410524A (en) * | 2011-10-31 | 2012-04-11 | 中国电力工程顾问集团华东电力设计院 | Suspended type boiler device |
| CN203516584U (en) * | 2013-11-18 | 2014-04-02 | 大连理工大学 | Magneto-rheological suspension-mass pendulum damper |
| CN104594520B (en) * | 2015-01-13 | 2017-01-18 | 山东大学 | Multi-dimensional adjustable collision energy dissipation device |
| CN106948256B (en) * | 2017-04-26 | 2019-06-21 | 中铁大桥科学研究院有限公司 | A kind of ultralow frequency liquid quality tuned damper and design method |
| CN206815928U (en) * | 2017-05-08 | 2017-12-29 | 山东大学 | Suspension type multidimensional multistage energy by collision damper |
| CN108869617B (en) * | 2018-09-29 | 2019-03-05 | 山东大学 | A kind of self-powered magnetic rheological vibration damper |
| CN109230935B (en) * | 2018-11-12 | 2023-04-25 | 山东科技大学 | Intelligent vertical shaft braking buffer system based on magnetorheological effect and application thereof |
| CN110259241B (en) * | 2019-06-19 | 2020-12-04 | 同济大学 | Self-adaptive variable-rigidity semi-active variable-damping intelligent tuned mass damper |
| CN110528949B (en) * | 2019-08-12 | 2020-07-28 | 同济大学 | Multiple energy consumption collision type tuned mass damper |
-
2021
- 2021-09-14 CN CN202111074713.9A patent/CN113513103B/en active Active
- 2021-12-01 WO PCT/CN2021/134692 patent/WO2023040055A1/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012720A (en) * | 2009-06-30 | 2011-01-20 | Shimizu Corp | Suspending vibration control structure |
| CN206681188U (en) * | 2017-04-17 | 2017-11-28 | 武汉理工大学 | Suspended tuning mass damper |
| CN106948640A (en) * | 2017-05-08 | 2017-07-14 | 山东大学 | Suspension type multidimensional multistage energy by collision damper |
| CN107355022A (en) * | 2017-07-18 | 2017-11-17 | 大连理工大学 | A kind of two-way suspension-mass pendulum vibration insulating system |
| WO2020239590A1 (en) * | 2019-05-24 | 2020-12-03 | Soh Wind Tunnels Aps | Pendulum mass damper |
| CN110835963A (en) * | 2019-11-26 | 2020-02-25 | 大连理工大学 | Yaw-based wind power generation structure vibration control tuned mass damper |
| CN110886806A (en) * | 2019-12-04 | 2020-03-17 | 安徽江淮汽车集团股份有限公司 | Rotary magnetorheological damper |
| CN113513103A (en) * | 2021-09-14 | 2021-10-19 | 中国电建集团山东电力建设第一工程有限公司 | Suspension type composite tuning vibration reduction device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914403A (en) * | 2023-07-17 | 2023-10-20 | 亳州广播电视台 | High-stability broadcast television antenna |
| CN116914403B (en) * | 2023-07-17 | 2024-02-09 | 亳州广播电视台 | High-stability broadcast television antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113513103A (en) | 2021-10-19 |
| CN113513103B (en) | 2021-12-17 |
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