CN108868278A - A kind of Effects of Viscous Fluid Damper of self detection of performance - Google Patents
A kind of Effects of Viscous Fluid Damper of self detection of performance Download PDFInfo
- Publication number
- CN108868278A CN108868278A CN201810946397.1A CN201810946397A CN108868278A CN 108868278 A CN108868278 A CN 108868278A CN 201810946397 A CN201810946397 A CN 201810946397A CN 108868278 A CN108868278 A CN 108868278A
- Authority
- CN
- China
- Prior art keywords
- viscous fluid
- effects
- fluid damper
- baffle
- cylinder body
- Prior art date
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Classifications
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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
-
- 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
- E04H9/0235—Anti-seismic devices with hydraulic or pneumatic damping
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
Abstract
The invention discloses a kind of Effects of Viscous Fluid Damper of self detection of performance, including guide rod and cylinder body, the right end of guide rod passes sequentially through force snesor, transmission lever, stepper motor and the second connecting lug are fixedly connected, stepper motor has been internally integrated performance self-detection system, there is the through-hole being connected to baffle holes on cylinder side wall, the baffle that can be slided is arranged in the inside of through-hole and baffle holes, the flanged pin connector that the fixation of baffle outer end can be adsorbed by magnet, reset spring is set between flanged pin connector and cylinder body, the electromagnet for adsorbing flanged pin connector after being powered and baffle being pulled to be displaced outwardly is fixed on protective cover, displacement sensor is set between protective cover and cover board.By stepper motor drive leader and cylinder body relative motion occurs for the present invention, utility self-detection system detects the energy-dissipating property of Effects of Viscous Fluid Damper itself automatically, ensure that Effects of Viscous Fluid Damper can effectively reduce the vibration of building structure when earthquake occurs, guarantees the safety of building structure.
Description
Technical field
The invention belongs to vibration control of civil engineering structure device, the viscous fluid resistance of self detection of specially a kind of performance
Buddhist nun's device.
Background technique
Earthquake is one of maximum Sudden Natural Disasters of destructive power of facing mankind, and the frequency of occurrences is higher in recent years
Disaster event.China is the most frequent country of seismic activity in the world between Pacific Rim and Eurasian seismic belt
One, the national territorial area of more than half is seriously threatened by earthquake.All previous seismic survey result shows the destruction of building
It is the main reason for leading to casualties and economic loss with collapsing.With the quickening of urbanization process, urban architecture and population
More and more intensive, eaerthquake damage may be more serious.Therefore, how to reduce building especially high level and super high-rise building to exist
Vibration under geological process, and then mitigate structural damage and collapse, achieve the purpose that reduce casualties and economic loss,
It is the significant problem of civil construction project field face.
Energy-dissipating and shock-absorbing technology be building structure certain positions be arranged energy-consumption shock-absorption device, using energy-consumption shock-absorption device come
The energy for absorbing and consuming Seismic input structure reduces the vibration of building structure, and then mitigates the destruction of building structure and fall
It collapses, it has also become the major measure of engineering structure shockproof control.Effects of Viscous Fluid Damper be it is a kind of using internal piston and cylinder body it
Between relative motion force cylinder body internal viscosity fluid to flow through throttle orifice and generate damping force, and then the energy consumption of dissipation seismic energy
Damping device.
The validity period of building structure also requires the viscous flow for being installed on building structure up to decades even upper a century
Body damper has long-term reliability.However, Effects of Viscous Fluid Damper is in the long-term use, in fact it could happen that sealing ring loses
The endurance issues such as effect, viscous fluid isolation, viscous fluid leakage, piston motion obstruction, cause the consumption of Effects of Viscous Fluid Damper
Energy damping performance, which reduces, even to be lost, and can not ensure safety of the building structure in coming earthquake.Therefore, it promptly and accurately holds
The performance of Effects of Viscous Fluid Damper is most important for ensuring safety of the building structure under geological process.It is installed on building knot
The Effects of Viscous Fluid Damper of structure is not only large number of, but also position disperses.Existing nondestructiving detecting means can not be to viscous fluid
The performance of damper is effectively detected, and disassembly experiment detection is again there are the disadvantages such as time-consuming and laborious, expensive, and viscous flow
Body damper is usually installed on inside wall or testing staff is difficult to the place reached, and non-destructive testing and disassembly experiment detection exist
It is difficult to carry out in Practical Project.
Summary of the invention
Goal of the invention:In order to overcome the deficiencies in the prior art, it is an object of the present invention to provide it is a kind of can be periodically automatic
The Effects of Viscous Fluid Damper of self detection of the performance of energy-dissipating and shock-absorbing performance is detected, in order to which administrative staff are to abnormal viscous fluid
Damper is replaced in time, it is ensured that safety of the building structure when earthquake occurs.
Technical solution:A kind of Effects of Viscous Fluid Damper of self detection of performance of the present invention, including guide rod and cylinder body,
The left end of cylinder body is fixedly connected by connecting rod with the first connecting lug, guide rod sequentially pass through from left to right first piston, every
Plate, second piston and cover board, it is solid that the right end of guide rod passes sequentially through force snesor, transmission lever, stepper motor and the second connecting lug
Fixed connection, stepper motor have been internally integrated temperature sensor and performance self-detection system, stepper motor and the fixed company of protective cover
It connects, partition is fixedly connected with cylinder body, is had the throttle orifice perpendicular to septum plane on partition and is parallel to the baffle of septum plane
Hole has on cylinder side wall perpendicular to cylinder surface and the through-hole that be connected to baffle holes, the inside setting energy of through-hole and baffle holes
The baffle enough slided, the flanged pin connector that the fixation of baffle outer end can be adsorbed by magnet, sets between flanged pin connector and cylinder body
Reset spring is set, the electromagnet for adsorbing flanged pin connector after being powered and baffle being pulled to be displaced outwardly is fixed on protective cover, is protected
Displacement sensor is set between shield and cover board, electromagnet, displacement sensor, force snesor with performance self-detection system
It is connected.
Performance self-detection system includes clock, power-supply controller of electric, microprocessor, controllor for step-by-step motor, displacement sensing
Device signal demodulating circuit, force sensor signals demodulator circuit and temperature sensor signal demodulator circuit, clock is respectively and uninterruptedly
Power supply, power-supply controller of electric be connected, microprocessor respectively with power-supply controller of electric, controllor for step-by-step motor, displacement transducer signal solution
Adjust circuit, force sensor signals demodulator circuit, temperature sensor signal demodulator circuit, data storage and wireless transmitter phase
Even.Electromagnet adsorbs flanged pin connector after being powered, while baffle being driven to be displaced outwardly, microcomputer reads data storage
In predetermined instruction and pass to controllor for step-by-step motor, controllor for step-by-step motor according to order-driven stepper motor rotate, into
And guide rod movement, displacement transducer signal demodulator circuit, force sensor signals demodulation electricity are pushed by transmission lever and force snesor
Road and temperature sensor signal demodulator circuit demodulate the signal of displacement sensor, force snesor and temperature sensor respectively, and pass
It is handed to microprocessor.Determining program in microcomputer reads data storage, compares theoretical damping power and actual measurement guide rod pushes away
Power judges whether Effects of Viscous Fluid Damper is normal, and judging result is transmitted to wireless transmitter, and wireless transmitter is with short message
Or judging result is notified the administrative staff of Effects of Viscous Fluid Damper by the form of mail.
Guide rod and the first piston being fixedly connected with guide rod and second piston can be along cylinder body longitudinal sliding motions.Protective cover is circle
Cylindricality.Stepper motor has locking system, guarantees Effects of Viscous Fluid Damper in working condition, stepper motor is not able to rotate.It protects
Shield, reset spring, cylinder body and partition by cannot by magnet adsorb material be made.Throttle orifice, baffle, flanged pin connection
Part, baffle holes, through-hole, reset spring, the quantity of electromagnet are identical.There is the first venthole on cylinder body end plate, has second on cover board
Venthole.
Working principle:Effects of Viscous Fluid Damper default is in running order, and the area of throttle orifice is smaller, cylinder body and guide rod phase
Damping force when to movement is big, and energy-dissipating and shock-absorbing is functional.When clock reaches zero second on the stroke of midnight on the one January, viscous flow
Body damper is converted to detecting state, and electromagnet adsorbs flanged pin connector and baffle is pulled to be displaced outwardly, increases greatly after being powered
The area of supernumerary segment discharge orifice substantially reduces the external force for pushing guide rod to need, stepper motor is allowed easily guide rod to be pushed to move;
Stepper motor pushes guide rod to slide in cylinder body by transmission lever and force snesor;It is passed by comparing power in guide rod motion process
The theoretical damping power that the actual measurement thrust and microprocessor of sensor calculate judges whether the performance of Effects of Viscous Fluid Damper is abnormal, and
It will test result and be wirelessly sent to administrative staff.After the completion of detection, electromagnet power-off is magnetic to disappear, and reset spring pulls baffle
Home position is returned to, Effects of Viscous Fluid Damper returns to working condition.
Beneficial effect:Compared to the prior art the present invention, has the characteristics that following conspicuousness:The present invention passes through guide rod and cylinder body
Relative motion, the damping force that the viscous fluid that piston pushes flows through the generation of partition throttle orifice carrys out earthquake energy, is conducive to big
Width reduces vibration of the building structure under geological process, it is ensured that the safety of building structure when earthquake occurs;The present invention is integrated in viscous
Performance self-detection system regular utilization stepper motor inside stagnant fluid damper pushes guide rod is mobile to generate damping force, leads to
The theoretical damping power for crossing the actual measurement guide rod thrust for comparing force snesor and microprocessor calculating, judges that Effects of Viscous Fluid Damper is
No appearance is abnormal, has the automatic detection function of Effects of Viscous Fluid Damper performance, advantageously ensures that and is installed on the viscous of building structure
The long-term effectiveness of stagnant fluid damper;The present invention can will test the management that result is sent to Effects of Viscous Fluid Damper automatically
Personnel, be not necessarily to tester's execute-in-place, have many advantages, such as it is low in cost, be easily achieved, without destructiveness, can be tied in various buildings
It is widely applied in the shake control of structure.
Detailed description of the invention
Fig. 1 is a kind of Effects of Viscous Fluid Damper schematic diagram of self detection of performance of the invention;
Fig. 2 is the vertical section schematic diagram of cylinder body of the invention;
Fig. 3 is the vertical section schematic diagram of partition of the invention;
Fig. 4 is A-A cross-sectional view of the invention;
Fig. 5 is B-B cross-sectional view of the invention;
Fig. 6 is C-C cross-sectional view of the invention;
Fig. 7 is D-D cross-sectional view of the invention;
Fig. 8 is E-E cross-sectional view of the invention;
Fig. 9 is performance self-detection system functional block diagram of the invention.
Specific embodiment
As shown in figures 1-8, the left end of cylinder body 2 is fixedly connected by connecting rod 37 with the first connecting lug 38,2 end of cylinder body
Plate is equipped with the first venthole 31, and cover board 6 is equipped with the second venthole 32, and 1 one end of guide rod sequentially passes through second piston 5, partition
4 and first piston 3, it is placed in inside cylinder body 2;Guide rod 1 is fixedly connected with second piston 5 and first piston 3, and can be in cylinder body 2
Internal longitudinal sliding motion;1 other end of guide rod pass through cover board 6, and successively with force snesor 7, transmission lever 8, stepper motor 9 and second
Connecting lug 10 is fixedly connected;Cover board 6 is equipped with the second venthole 32;Cylindrical protective cover is fixed with outside stepper motor 9
12, it has been internally integrated temperature sensor 11 and performance self-detection system;Stepper motor 9 by power supply for step-by-step motor line 39 with
Uninterruptible power supply 28 is connected;Partition 4 is fixedly connected with cylinder body 2, has 13 He of throttle orifice perpendicular to 4 plane of partition on partition 4
It is parallel to the baffle holes 14 of 4 plane of partition;Full of viscous in chamber between 2 inside first piston 3 of cylinder body and second piston 5
Fluid 36 has on 2 side wall of cylinder body perpendicular to 2 surface of cylinder body and the through-hole 15 that is connected to baffle holes 14;Through-hole 15 and baffle holes
14 are internally provided with baffle 16, and baffle 16 can slide in through-hole 15 and baffle holes 14;16 outer end of baffle is fixed by can be by magnet
Flanged pin connector 17 made of the material of absorption;Reset spring 18 is provided between flanged pin connector 17 and cylinder body 2;It protects
It is fixed with electromagnet 19 on shield 12, has gap between electromagnet 19 and flanged pin connector 17, is 17 He of flanged pin connector
Baffle 16 is displaced outwardly slot milling, and electromagnet 19 is connected by electromagnet power supply line 33 with performance self-detection system;Protection
Displacement sensor 20 is provided between cover 12 and cover board 6;Displacement sensor 20 and force snesor 7 pass through displacement sensor respectively
Data line 34 and force sensor data line 35 are connected with performance self-detection system.Throttle orifice 13, baffle 16, flanged pin connection
Part 17, baffle holes 14, through-hole 15, reset spring 18, electromagnet 19 are equal with the quantity of electromagnet power supply line 33, specification is identical.
Protective cover 12, reset spring 18, cylinder body 2 and partition 4 material by that cannot be made by the material that magnet adsorbs.Preferably, stepping
Motor 9 has locking system, guarantees Effects of Viscous Fluid Damper in working condition, stepper motor is not able to rotate.First piston 3
With 2 side wall seam crossing of cylinder body, partition 4 and 1 seam crossing of guide rod, second piston 5 and 2 side wall seam crossing of cylinder body, baffle 16 and baffle
14 seam crossing of hole is tightly connected.
Wherein, performance self-detection system block diagram is as shown in figure 9, include by clock 21, power-supply controller of electric 22, micro process
Device 23, controllor for step-by-step motor 24, displacement transducer signal demodulator circuit 25, force sensor signals demodulator circuit 26 and temperature
The power transfer path that sensor signal demodulator circuit 27 forms, further includes by microprocessor 23 and controllor for step-by-step motor 24
The instruction transmission path of composition, and by displacement transducer signal demodulator circuit 25, force sensor signals demodulator circuit 26, temperature
It spends the signal that sensor signal demodulator circuit 27, microprocessor 23, data storage 29 and wireless transmitter 30 form and transmits road
Diameter.
Above-mentioned Effects of Viscous Fluid Damper default is in running order, and uninterruptible power supply 28 is clock 21 and power-supply controller of electric 22
The area of continued power, throttle orifice 13 is smaller, and cylinder body 2 and damping force when 1 relative motion of guide rod are big, and energy-dissipating and shock-absorbing performance is good
It is good.When clock 21 reaches zero second on the stroke of midnight on the one January, Effects of Viscous Fluid Damper is converted to detecting state, power supply control
Device 22 is electromagnet 19, controllor for step-by-step motor 24, displacement transducer signal demodulator circuit 25, force sensor signals demodulation electricity
Road 26, temperature sensor signal demodulator circuit 27 and microprocessor 23 are powered;Electromagnet 19 generates magnetic field after being powered, adsorb band
Flange connections 17, while the baffle 16 being firmly connected with it being driven to be displaced outwardly;Microprocessor 23 reads data storage 29
In predetermined instruction and pass to controllor for step-by-step motor 24, controllor for step-by-step motor 24 is according to 9 turns of order-driven stepper motor
It is dynamic, and then push guide rod 1 to move by transmission lever 8 and force snesor 7;Displacement transducer signal demodulator circuit 25, force snesor
Signal demodulating circuit 26 and temperature sensor signal demodulator circuit 27 demodulate displacement sensor 20, force snesor 7 and temperature respectively
The signal of sensor 11 obtains the relative displacement and damper temperature that push the thrust, guide rod 1 and cylinder body 2 of guide rod 1, and transmits
To microprocessor 23;Microprocessor 23 reads the viscous fluid in data storage 29 according to the relative displacement and temperature of acquisition
Damper damping force calculation procedure, obtains the damping force that should theoretically have;Microprocessor 23 further reads data storage
Determining program in device 29 compares theoretical damping power and actual measurement 1 thrust of guide rod, judges whether Effects of Viscous Fluid Damper is normal, and
Judging result is transmitted to wireless transmitter 30;Wireless transmitter 30 is notified judging result in the form of short message or mail
The administrative staff of Effects of Viscous Fluid Damper.After the completion of detection, stepper motor 9 returns to home position, current controller cutting electricity
Magnet 19, controllor for step-by-step motor 24, displacement transducer signal demodulator circuit 25, force sensor signals demodulator circuit 26, temperature
The power supply of sensor signal demodulator circuit 27 and microprocessor 23, the magnetic of electromagnet 19 disappear, and reset spring 18 pulls baffle
16 return to home position, and Effects of Viscous Fluid Damper returns to working condition.
Claims (10)
1. a kind of Effects of Viscous Fluid Damper of self detection of performance, including guide rod (1) and cylinder body (2), it is characterised in that:The cylinder
The left end of body (2) is fixedly connected by connecting rod (37) with the first connecting lug (38), and the guide rod (1) is successively worn from left to right
First piston (3), partition (4), second piston (5) and cover board (6) are crossed, the right end of the guide rod (1) passes sequentially through force snesor
(7), transmission lever (8), stepper motor (9) are fixedly connected with the second connecting lug (10), and the stepper motor (9) has been internally integrated
Temperature sensor (11) and performance self-detection system, the stepper motor (9) are fixedly connected with protective cover (12), the partition
(4) it is fixedly connected with cylinder body (2), there is the throttle orifice (13) perpendicular to partition (4) plane on the partition (4) and is parallel to partition
(4) baffle holes (14) of plane have on cylinder body (2) side wall perpendicular to cylinder body (2) surface and are connected to baffle holes (14)
Through-hole (15), the baffle (16) that can be slided, the baffle (16) is arranged in the inside of the through-hole (15) and baffle holes (14)
The flanged pin connector (17) that outer end fixation can be adsorbed by magnet, is arranged between the flanged pin connector (17) and cylinder body (2)
Reset spring (18), adsorb flanged pin connector (17) after energization is fixed on the protective cover (12) and pull baffle (16) to
Displacement sensor (20) are arranged between the protective cover (12) and cover board (6), the electromagnet in the electromagnet (19) of outer movement
(19), displacement sensor (20), force snesor (7) are connected with performance self-detection system.
2. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The performance
Self-detection system includes clock (21), power-supply controller of electric (22), microprocessor (23), controllor for step-by-step motor (24), displacement
Sensor signal demodulator circuit (25), force sensor signals demodulator circuit (26) and temperature sensor signal demodulator circuit (27),
The clock (21) is connected with uninterruptible power supply (28), power-supply controller of electric (22) respectively, the microprocessor (23) respectively with electricity
Source controller (22), controllor for step-by-step motor (24), displacement transducer signal demodulator circuit (25), force sensor signals demodulation electricity
Road (26) is connected with temperature sensor signal demodulator circuit (27).
3. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 2, it is characterised in that:Electromagnet
(19) flanged pin connector (17) are adsorbed after being powered, while baffle (16) being driven to be displaced outwardly, microprocessor (23) reads data
Predetermined instruction in memory (29) simultaneously passes to controllor for step-by-step motor (24), and controllor for step-by-step motor (24) drives according to instruction
Dynamic stepper motor (9) rotation, and then guide rod (1) movement, displacement sensor letter are pushed by transmission lever (8) and force snesor (7)
Number demodulator circuit (25), force sensor signals demodulator circuit (26) and temperature sensor signal demodulator circuit (27) solve positioning respectively
The signal of displacement sensor (20), force snesor (7) and temperature sensor (11), and it is transferred to microprocessor (23).
4. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 2, it is characterised in that:Micro- place
Reason device (23) is connected with data storage (29), wireless transmitter (30), and the microprocessor (23) reads data storage
(29) determining program in compares theoretical damping power and actual measurement guide rod (1) thrust, whether just to judge viscous fluid (36) damper
Often, and by judging result it is transmitted to wireless transmitter (30), wireless transmitter (30) will judgement in the form of short message or mail
The administrative staff of result notice Effects of Viscous Fluid Damper.
5. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The guide rod
(1) and with guide rod (1) first piston (3) and second piston (5) being fixedly connected can be along cylinder body (2) longitudinal sliding motions.
6. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The protection
Covering (12) is cylinder.
7. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The stepping
Motor (9) has locking system.
8. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The protection
Cover (12), reset spring (18), cylinder body (2) and partition (4) by the material of magnet absorption by cannot be made.
9. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The throttling
Hole (13), baffle (16), flanged pin connector (17), baffle holes (14), through-hole (15), reset spring (18), electromagnet (19)
Quantity it is identical.
10. a kind of Effects of Viscous Fluid Damper of self detection of performance according to claim 1, it is characterised in that:The cylinder
Have the first venthole (31) on body (2) end plate, there are the second venthole (32) on the cover board (6).
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CN201810946397.1A CN108868278B (en) | 2018-08-17 | 2018-08-17 | Viscous fluid damper with self-detection performance |
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CN201810946397.1A CN108868278B (en) | 2018-08-17 | 2018-08-17 | Viscous fluid damper with self-detection performance |
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CN108868278A true CN108868278A (en) | 2018-11-23 |
CN108868278B CN108868278B (en) | 2023-09-22 |
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Cited By (1)
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CN109778674A (en) * | 2019-01-28 | 2019-05-21 | 赵祺兴 | A kind of electrodeless adjustment clearance-type viscous damper and its application method |
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CN104154160A (en) * | 2014-08-11 | 2014-11-19 | 浙江建科减震科技有限公司 | Self-resetting viscous damper |
CN104631645A (en) * | 2015-01-12 | 2015-05-20 | 上海上材减振科技有限公司 | Mechanical energy power generation viscous damper transmission system |
CN105735508A (en) * | 2016-03-13 | 2016-07-06 | 北京工业大学 | Input rate amplifying device of viscous damper |
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KR100865912B1 (en) * | 2007-09-17 | 2008-10-29 | 에스앤티대우(주) | Assembling apparatus of damper comprising magneto-rheological fluid and assembling method of damper using the same |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN109778674A (en) * | 2019-01-28 | 2019-05-21 | 赵祺兴 | A kind of electrodeless adjustment clearance-type viscous damper and its application method |
CN109778674B (en) * | 2019-01-28 | 2021-03-30 | 福建九鼎建设集团有限公司 | Stepless clearance adjusting type viscous damper and using method thereof |
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CN108868278B (en) | 2023-09-22 |
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