CN109555236A - A kind of radial type scissors supporting damping device system and vibration damping efficiency estimation method - Google Patents
A kind of radial type scissors supporting damping device system and vibration damping efficiency estimation method Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/04—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 against air-raid or other war-like actions
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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
- E04H9/14—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 against other dangerous influences, e.g. tornadoes, floods
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Abstract
The invention discloses a kind of radial type scissors supporting damping device vibration insulating system and vibration damping efficiency estimation methods, belong to vibration insulating system design field.It includes: upper left quarter damper MN that the vibration insulating system, which has,；Upper right quarter damper TU；Lower left quarter damper RS；Right lower quadrant damper PQ；Rigid rod EM, FN, GP, HQ, IR, JS, KT, LU, AE, EO, AF, FO, BK, KO, BL, LO, CI, IO, CJ, JO, DG, GO, DH, HO；Hinge joint A~L and hinge joint O；Each rigid rod is articulated with each hinge joint according to alphabetical corresponding relationship, and is rigidly connected with corresponding damper.The present invention can effectively amplify the moving displacement of damper, the period energy consumption that increase system moves back and forth, give full play to the vibration damping dissipation characteristics of damper, normal use under ensureing Structural Engineering violent earthquake load, wind load, the Blast Load the effects of, safety, reliability and the stability of enhancing structure, economical and practical, constructing operation is convenient and efficient.
Description
Technical field
The invention belongs to damper vibration damping fields, more particularly, to a kind of radial type scissors supporting damping device vibration damping system
System and vibration damping efficiency estimation method.
Background technique
With the increasingly raising of modern life level, people start to get over quality of life, personal safety and property safety
More pay attention to, especially in terms of the safety of the building structure locating for people, durability and comfort level.Therefore, building structure
The development of energy-eliminating shock-absorbing technology also increasingly obtains the close attention of people.And damper system disappears as a kind of effective vibration damping
Can device, the dynamic response of structure can be efficiently controlled, to provide the resistance of movement, the device of depletion kinergety aviation,
It is commonly used in the industries such as space flight, military project, automobile, building structure, especially to earthquake load, wind load, blast impulse lotus
For load etc. than more sensitive building structure, damper system embodies brilliant vibration damping dissipation characteristics and Bit andits control effect, tool
There are good economy, safety and reliability.
By taking traditional equal displacement-types damper vibration damping system as an example, the deflection of damper and the interlayer of frame structure become
Shape amount is equal.But with frame structure, Frame-Shear wall, shear wall structure, frame shear wall structure and combination
The structure types such as structure become the mainstream of modern structure, these structure stratified deformations are relatively small, so that the conventional damper of installing
Device cannot effectively play energy dissipation behavior since deflection is restricted, and expected effectiveness in vibration suppression is not achieved.
Therefore, one kind damper system significantly more efficient, reliable, with displacement equations mechanism is found to have become urgently
It solves the problems, such as.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of radial type scissors supporting damping devices
Vibration insulating system and vibration damping efficiency estimation method, it is intended that by rigid rod between each other and rigid rod and damper it
Between connecting structure design, the displacement and energy dissipation capacity of damper are amplified, thus solve conventional damping systems tying
It is unfavorable for the technical issues of damper effectively plays energy dissipation behavior in the lesser situation of structure stratified deformation.
To achieve the above object, according to one aspect of the present invention, a kind of radial type scissors supporting damping device is provided to subtract
Vibrating system into structural weak layer frame carries out vibration damping for installing, comprising: upper left quarter damper MN, upper right quarter damper TU,
Lower left quarter damper RS, right lower quadrant damper PQ, 24 rigid rods and 13 hinge joints；
24 rigid rods be respectively as follows: EM, FN, GP, HQ, IR, JS, KT, LU, AE, EO, AF, FO, BK, KO, BL, LO,
CI,IO,CJ,JO,DG,GO,DH,HO；
13 hinge joints are respectively point A~point L and point O；
Point A~point D is successively respectively arranged on upper left, upper right, lower left, four corners of lower right the node of structural weak layer frame
Place；
The C-terminal that the end B that the end A of AE, AF are articulated with point A, BK, BL is articulated with point B, CI, CJ is articulated with the D of point C, DG, DH
The end K that the end F that the end E that end is articulated with point D, AE, EM, EO is articulated with point E, AF, FO, FN is articulated with point F, BK, KT, KO is articulated with
The end J that the end I that the end L of point K, BL, LU, LO are articulated with point L, CI, IR, IO is articulated with point I, CJ, JS, JO be articulated with point J, DG,
The end O that the end H that the end G of GP, GO are articulated with point G, DH, HQ, HO is articulated with point H, EO, FO, GO, HO, IO, JO, KO, LO is articulated with
Point O；
The both ends upper left quarter damper MN are rigidly connected with the corresponding end of EM, FN respectively, the upper right quarter both ends damper TU difference
It is rigidly connected with the corresponding end of KT, LU, the both ends lower left quarter damper RS are rigidly connected with the corresponding end of EM, FN respectively, right lower quadrant
The both ends damper PQ are rigidly connected with the corresponding end of EM, FN respectively.
Further, rigid rod EM, upper left quarter damper MN and rigid rod FN are successively rigidly connected and axis collinear；Rigidity
Bar GP, right lower quadrant damper PQ and rigid rod HQ are successively rigidly connected and axis collinear；Rigid rod IR, lower left quarter damper RS with
Rigid rod JS is successively rigidly connected and axis collinear；Rigid rod KT, upper right quarter damper TU and rigid rod LU are successively rigidly connected
And axis collinear.
Further, the perpendicular bisector or perpendicular bisector, line DO are the perpendicular bisector of line GH each other that line AO is line EF
Perhaps perpendicular bisector line BO is line KL each other perpendicular bisector or perpendicular bisector each other, perpendicular bisector that line CO is line IJ or
Person's perpendicular bisector each other.
Further, to be all made of high-strength bolt between each hinge joint and each rigid rod hinged.
Further, point A, point O, point D are conllinear, and/or point B, point O, point C conllinear.
Further, under the premise of not influencing 24 rigid rod installations, hinge joint O can be flat positioned at structural framing
Any position in face.
To achieve the goals above, it is another aspect of this invention to provide that providing a kind of radial type scissors supporting damping device
The vibration damping efficiency estimation method of vibration insulating system defines radial type scissors supporting damping device vibration insulating system and moves back and forth period consumption
Energy be EDη, it is E that tradition etc., which is displaced damper system and moves back and forth the energy of period consumption,D, then the ratio λ of the two can table
It is shown as:
In formula, λ EDηWith EDRatio；
EDηThe energy of period consumption is moved back and forth for radial type scissors supporting damping device vibration insulating system；
EDThe energy that damper system moves back and forth period consumption is displaced for tradition etc.；
π is pi；
ω is circular frequency；
CαFor the damped coefficient of damper；
η is the multiple that radial type scissors supporting damping device vibration insulating system amplifies damper displacement；
U is the displacement of damper movement；
α is the damping exponent of damper；
θ1For the value of angle ∠ BAO；
θ2For the value of angle ∠ ABO；
θ3For the value of angle ∠ OCD；
θ4For the value of angle ∠ ODC；
θ5For the value of angle ∠ EAO；
θ6For the value of angle ∠ LBO；
θ7For the value of angle ∠ ICO；
θ8For the value of angle ∠ HDO.
In general, the above technical scheme conceived by the present invention compared with prior art, can obtain following beneficial to effect
Fruit:
1, radial type scissors supporting damping device vibration insulating system of the invention, by rigid rod and rigid rod and rigid rod with
Connection design between damper, the scissors-type rigid rod that four dampers, which are placed in four approximate scissors, can equally open and close are cut with scissors
It connects in framework, effectively amplifies the moving displacement of damper, fully play the vibration damping dissipation characteristics of damper, fundamentally
Its energy dissipation behavior cannot be played since deflection is restricted by compensating for the displacement damper system such as tradition, realize damper
Good effectiveness in vibration suppression makes safety, reliability and the stability enhancing of vibration-proof structure, and economical and practical, constructing operation is simple
Fast, normally make under effectively having ensured Structural Engineering violent earthquake load, wind load, the Blast Load the effects of
With.
2, due to the unique articulated manner of radial type scissors supporting damping device vibration insulating system, so that the support resistance of radial type scissors
Upper left quarter damper MN, upper right quarter damper TU, lower left quarter damper RS, right lower quadrant damper PQ in Buddhist nun's device vibration insulating system with
And 24 rigid rods, without Moment, preferably play the support of radial type scissors only by responsive to axial force
The displacement equations of damper vibration damping system act on.
3, damper framework is supported using four radial type scissors, it can be before not influencing 24 rigid rod installations
It puts, hinge joint O is set to any position in structural framing plane, so that the design for greatly improving vibration insulating system is free
Degree, applicable surface are wider.
4, based on vibration damping efficiency estimation method of the invention, designed vibration insulating system can be verified, thus root
Vibration insulating system is adjusted according to the damping capacity demand of actual scene, to reach the vibration damping effect for most agreeing with currently used environment
Fruit.
Detailed description of the invention
Fig. 1 is scheme of installation of the radial type scissors supporting damping device vibration insulating system in structural framing；
Fig. 2 is the simplified model schematic diagram of Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
It please refers to shown in Fig. 1, as the preferred embodiment of radial type scissors supporting damping device vibration insulating system of the invention,
Include: upper left quarter damper MN, upper right quarter damper TU, lower left quarter damper RS, right lower quadrant damper PQ, rigid rod EM, just
Property bar FN, rigid rod GP, rigid rod HQ, rigid rod IR, rigid rod JS, rigid rod KT, rigid rod LU, rigid rod AE, rigid rod
EO, rigid rod AF, rigid rod FO, rigid rod BK, rigid rod KO, rigid rod BL, rigid rod LO, rigid rod CI, rigid rod IO, just
Property bar CJ, rigid rod JO, rigid rod DG, rigid rod GO, rigid rod DH, rigid rod HO, hinge joint A, hinge joint B, hinge joint C,
It is hinge joint D, hinge joint E, hinge joint F, hinge joint G, hinge joint H, hinge joint I, hinge joint J, hinge joint K, hinge joint L, hinged
Point O.
Before installation, according to structural system type, determining structure most weak floor analyzes simultaneously optimization design radial type scissors
The arrangement and method for construction of supporting damping device vibration insulating system.Determine the position for needing to install radial type scissors supporting damping device vibration insulating system
Afterwards, the upper left corner, upper right angularpitch at the capital at the position and the node of beam-ends, in setting hinge joint A and hinge joint B, i.e. Fig. 1
At point；In the column bottom at the position, hinge joint C and hinge joint D is set, i.e. at the lower left corner, bottom right corner node in Fig. 1.
After the installation site for determining point A~point D, the both ends of upper left quarter damper MN be respectively set rigid rod FN with it is rigid
Property bar EM, and between upper left quarter damper MN and rigid rod FN, rigid rod EM using rigid connection；In upper right quarter damper TU
Both ends rigid rod KT and rigid rod LU is respectively set, and adopted between upper right quarter damper TU and rigid rod KT, rigid rod LU
With rigid connection；Rigid rod IR and rigid rod JS, and lower left quarter damper is respectively set at the both ends of lower left quarter damper RS
Using rigid connection between RS and rigid rod IR, rigid rod JS；Rigid rod GP is respectively set at the both ends of right lower quadrant damper PQ
With rigid rod HQ, and between right lower quadrant damper PQ and rigid rod GP, rigid rod HQ using rigid connection.
Also, the end A of rigid rod AE, rigid rod AF are articulated with point A, rigid rod BK, rigid rod BL the end B be articulated with point B,
Rigid rod CI, rigid rod CJ C-terminal be articulated with point C, rigid rod DG, rigid rod DH the end D be articulated with point D, rigid rod AE, rigidity
Bar EM, rigid rod EO the end E be articulated with point E, rigid rod AF, rigid rod FO, rigid rod FN the end F be articulated with point F, rigid rod
BK, rigid rod KT, rigid rod KO the end K be articulated with point K, rigid rod BL, rigid rod LU, rigid rod LO the end L be articulated with point L,
Rigid rod CI, rigid rod IR, rigid rod IO the end I be articulated with point I, rigid rod CJ, rigid rod JS, the end J of rigid rod JO are hinged
In point J, rigid rod DG, rigid rod GP, rigid rod GO the end G be articulated with point G, the H of rigid rod DH, rigid rod HQ, rigid rod HO
End is articulated with point H, rigid rod EO, rigid rod FO, rigid rod GO, rigid rod HO, rigid rod IO, rigid rod JO, rigid rod KO, just
The end O of property bar LO is articulated with point O；
In hinge joint A, hinge joint B, hinge joint C, hinge joint D, hinge joint E, hinge joint F, hinge joint G, hinge joint H, hinge
At contact I, hinge joint J, hinge joint K, hinge joint L and hinge joint O, it is hinged that the connection of rigid rod is all made of high-strength bolt.It is left
Connection between top damper MN, upper right quarter damper TU, lower left quarter damper RS, right lower quadrant damper PQ and rigid rod is equal
Using rigid connection.
Moreover, rigid rod EM, upper left quarter damper MN and rigid rod FN are successively rigidly connected and axis collinear；Rigidity
Bar GP, right lower quadrant damper PQ and rigid rod HQ are successively rigidly connected and axis collinear；Rigid rod IR, lower left quarter damper RS with
Rigid rod JS is successively rigidly connected and axis collinear；Rigid rod KT, upper right quarter damper TU and rigid rod LU are successively rigidly connected
And axis collinear；Line AO is the perpendicular bisector of upper left quarter damper MN, and line DO is the perpendicular bisector of right lower quadrant damper PQ, line
BO is the perpendicular bisector of upper right quarter damper TU, and line CO is the perpendicular bisector of lower left quarter damper RS.
Finally, carrying out anti-corrosion fire prevention processing to radial type scissors supporting damping device vibration insulating system.
In addition, when damper displacement is amplified η times by radial type scissors supporting damping device vibration insulating system through the invention,
Speed also amplifies η times, if defining radial type scissors supporting damping device vibration insulating system to move back and forth the energy of period consumption is EDη,
It is E that tradition etc., which is displaced damper system and moves back and forth the energy of period consumption,D, then the ratio λ of the two is represented by formula
(a), when total energy consumption of damper increases with the increase of damping exponent α, pass through radial type scissors supporting damping device vibration damping
After system amplifies damper displacement, damper energy consumption is obviously increased.
In formula, λ EDηWith EDRatio；EDηDisappear for radial type scissors supporting damping device vibration insulating system one period of reciprocating motion
The energy of consumption；EDThe energy that damper system moves back and forth period consumption is displaced for tradition etc.；π is pi；ω is circle frequency
Rate；CαFor the damped coefficient of damper；η is times that radial type scissors supporting damping device vibration insulating system amplifies damper displacement
Number；U is the displacement of damper movement；α is the damping exponent of damper；θ1For the value of angle ∠ BAO；θ2For angle ∠ ABO's
Value；θ3For the value of angle ∠ OCD；θ4For the value of angle ∠ ODC；θ5For the value of angle ∠ EAO；θ6For the value of angle ∠ LBO；θ7For
The value of angle ∠ ICO；θ8For the value of angle ∠ HDO.
Moreover, due to the unique articulated manner of radial type scissors supporting damping device vibration insulating system provided by the invention,
So that upper left quarter damper MN, upper right quarter damper TU, lower left quarter damping in radial type scissors supporting damping device vibration insulating system
Device RS, right lower quadrant damper PQ, rigid rod EM, rigid rod FN, rigid rod GP, rigid rod HQ, rigid rod IR, rigid rod JS, just
Property bar KT, rigid rod LU, rigid rod AE, rigid rod EO, rigid rod AF, rigid rod FO, rigid rod BK, rigid rod KO, rigid rod
BL, rigid rod LO, rigid rod CI, rigid rod IO, rigid rod CJ, rigid rod JO, rigid rod DG, rigid rod GO, rigid rod DH with
And rigid rod HO, without Moment, preferably plays radial type scissors supporting damping device and subtracts only by responsive to axial force
The displacement equations of vibrating system act on.
In addition, rigid rod EM, rigid rod FN, rigid rod GP, rigidity in radial type scissors supporting damping device vibration insulating system
Bar HQ, rigid rod IR, rigid rod JS, rigid rod KT, rigid rod LU, rigid rod AE, rigid rod EO, rigid rod AF, rigid rod FO,
Rigid rod BK, rigid rod KO, rigid rod BL, rigid rod LO, rigid rod CI, rigid rod IO, rigid rod CJ, rigid rod JO, rigidity
Bar DG, rigid rod GO, rigid rod DH and rigid rod HO should all meet the strength checking formula (c) and axis of axial tension component
The Stability Checking formula (d) of heart compression member.In radial type scissors supporting damping device vibration insulating system high-strength bolt should meet by
Cut checking of bearing capacity formula (e).
In formula, σ is the intensity of axial tension component；NtFor the axle center pulling force of component；AnFor the net cross-sectional area of component；ft
For the tensile strength of component；NcFor component axial pressure；(the corresponding phase in section is taken for the stability coefficient of axis compression member
The smaller in the two main shaft coefficients of stability mutually docked)；A is component gross cross-sectional area；fcFor the compression strength of component；NvFor height
The shear resistance capacity of strength bolt；N is the number by the face of cutting of high-strength bolt；D is the diameter of high-strength bolt bar；fvFor high-strength bolt
Shearing strength design value.
The present invention is further spread out with more specifically embodiment below.For typical damper, if selection damping
Coefficient CαThe viscous damper for being 0.2 for 500kNs/m and drag index α；Take the weak floor story height H of a Pin frame structure
It is 3.3m for 3.6m, width L；Rigid rod EM, rigid rod FN, rigid rod in radial type scissors supporting damping device vibration insulating system
GP, rigid rod HQ, rigid rod IR, rigid rod JS, rigid rod KT, rigid rod LU, rigid rod AE, rigid rod EO, rigid rod AF, just
Property bar FO, rigid rod BK, rigid rod KO, rigid rod BL, rigid rod LO, rigid rod CI, rigid rod IO, rigid rod CJ, rigid rod
The steel selection Q345 steel of JO, rigid rod DG, rigid rod GO, rigid rod DH and rigid rod HO, section is circle, and diameter is
0.05m, ftFor 265MPa, fcFor 265MPa, the stability coefficient of axial compressionIt is 0.668, suffered maximum axle center pulling force
NtFor 300kN, suffered maximum axial pressure NcFor 300kN；High-strength bolt in radial type scissors supporting damping device vibration insulating system
Shear resistance capacity N should be metvFor 300kN, shearing strength design value fvFor 310MPa.
We are with six kinds of angle designs as an example, explanation is unfolded to effect of the invention.
[example 1]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 50 °, angle θ5, angle theta6, angle theta7And angle theta8For
10°。
By formula (b) it is found that
At this point, damper displacement can be amplified 14.582 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD24.922 times.
Moreover, by formula (c) it is found that
It meets the requirements.
By formula (d) it is found that
It meets the requirements.
By formula (e) it is found that
Meet design requirement.
[example 2]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 45 °, angle theta5, angle theta6, angle theta7And angle theta8
It is 10 °.
By formula (b) it is found that
At this point, damper displacement can be amplified 16.041 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD27.943 times.
[example 3]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 40 °, angle theta5, angle theta6, angle theta7And angle theta8
It is 10 °.
By formula (b) it is found that
At this point, damper displacement can be amplified 17.378 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD30.761 times.
[example 4]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 35 °, angle theta5, angle theta6, angle theta7And angle theta8
It is 10 °.
By formula (b) it is found that
At this point, damper displacement can be amplified 18.583 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD33.338 times.
[example 5]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 30 °, angle theta5, angle theta6, angle theta7And angle theta8
It is 10 °.
By formula (b) it is found that
At this point, damper displacement can be amplified 19.646 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD35.639 times.
[example 6]
If taking angle theta1, angle theta2, angle theta3And angle theta4It is 15 °, angle theta5, angle theta6, angle theta7And angle theta8
It is 10 °.
By formula (b) it is found that
At this point, damper displacement can be put 21.912 times by radial type scissors supporting damping device vibration insulating system.
By formula (a) it is found that
At this point, radial type scissors supporting damping device vibration insulating system moves back and forth the ENERGY E of period consumptionDηIt is traditional equipotential
Move the ENERGY E that damper system moves back and forth period consumptionD40.627 times.
By examples detailed above it is found that radial type scissors supporting damping device vibration insulating system of the invention can effectively amplify
The moving displacement of damper fully plays so that the energy that damper system moves back and forth period consumption dramatically increases
The vibration damping dissipation characteristics of damper, fundamentally compensate for tradition etc. displacement damper system due to deflection be restricted without
Its energy dissipation behavior can be played, the good effectiveness in vibration suppression of damper is realized, makes safety, reliability and the stabilization of vibration-proof structure
Property enhancing, economical and practical, constructing operation is simple and fast, can effectively ensure Structural Engineering violent earthquake effect, wind load,
Normal use under the effects of Blast Load.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of radial type scissors supporting damping device vibration insulating system carries out vibration damping into structural weak layer frame for installing,
It is characterized in that, comprising: upper left quarter damper MN, upper right quarter damper TU, lower left quarter damper RS, right lower quadrant damper PQ, two
14 rigid rods and 13 hinge joints；
24 rigid rods be respectively as follows: EM, FN, GP, HQ, IR, JS, KT, LU, AE, EO, AF, FO, BK, KO, BL, LO, CI,
IO,CJ,JO,DG,GO,DH,HO；
13 hinge joints are respectively point A~point L and point O；
Point A~point D is successively respectively arranged at upper left, upper right, lower left, four corners of lower right the node of structural weak layer frame；
The C-terminal that the end B that the end A of AE, AF are articulated with point A, BK, BL is articulated with point B, CI, CJ is articulated with the end the D hinge of point C, DG, DH
The end E for being connected to point D, AE, EM, EO is articulated with the end F of point E, AF, FO, FN and is articulated with the end K of point F, BK, KT, KO and is articulated with point K,
The end J that the end I that the end L of BL, LU, LO are articulated with point L, CI, IR, IO is articulated with point I, CJ, JS, JO is articulated with point J, DG, GP, GO
The end G be articulated with the end H of point G, DH, HQ, HO and be articulated with the end O of point H, EO, FO, GO, HO, IO, JO, KO, LO and be articulated with point O；
The both ends upper left quarter damper MN respectively with the corresponding end of EM, FN be rigidly connected, the both ends upper right quarter damper TU respectively with KT,
The corresponding end of LU is rigidly connected, the both ends lower left quarter damper RS are rigidly connected with the corresponding end of EM, FN respectively, right lower quadrant damper
The both ends PQ are rigidly connected with the corresponding end of EM, FN respectively.
2. a kind of radial type scissors supporting damping device vibration insulating system as described in claim 1, which is characterized in that rigid rod EM,
Upper left quarter damper MN and rigid rod FN is successively rigidly connected and axis collinear；Rigid rod GP, right lower quadrant damper PQ and rigidity
Bar HQ is successively rigidly connected and axis collinear；Rigid rod IR, lower left quarter damper RS and rigid rod JS are successively rigidly connected and axis
Line is conllinear；Rigid rod KT, upper right quarter damper TU and rigid rod LU are successively rigidly connected and axis collinear.
3. a kind of radial type scissors supporting damping device vibration insulating system as claimed in claim 1 or 2, which is characterized in that line AO
For line EF the perpendicular bisector perpendicular bisector that perhaps perpendicular bisector line DO is line GH each other or each other perpendicular bisector, line BO are
The perpendicular bisector of the line KL perpendicular bisector that perhaps perpendicular bisector line CO is line IJ each other or each other perpendicular bisector.
4. a kind of radial type scissors supporting damping device vibration insulating system as described in claims 1 to 3 any one, feature exist
In it is hinged to be all made of high-strength bolt between each hinge joint and each rigid rod.
5. a kind of radial type scissors supporting damping device vibration insulating system as described in Claims 1 to 4 any one, feature exist
In point A, point O, point D are conllinear, and/or point B, point O, point C conllinear.
6. a kind of radial type scissors supporting damping device vibration insulating system as claimed in any one of claims 1 to 5, wherein, feature exist
In under the premise of not influencing 24 rigid rod installations, hinge joint O can be located at any position in structural framing plane
It sets.
7. a kind of vibration damping efficiency of radial type scissors supporting damping device vibration insulating system as described in claim 1~6 any one
Appraisal procedure, which is characterized in that define the energy that radial type scissors supporting damping device vibration insulating system moves back and forth period consumption
For EDη, it is E that tradition etc., which is displaced damper system and moves back and forth the energy of period consumption,D, then the ratio λ of the two may be expressed as:
In formula, λ EDηWith EDRatio；
EDηThe energy of period consumption is moved back and forth for radial type scissors supporting damping device vibration insulating system；
EDThe energy that damper system moves back and forth period consumption is displaced for tradition etc.；
π is pi；
ω is circular frequency；
CαFor the damped coefficient of damper；
η is the multiple that radial type scissors supporting damping device vibration insulating system amplifies damper displacement；
U is the displacement of damper movement；
α is the damping exponent of damper；
θ1For the value of angle ∠ BAO；
θ2For the value of angle ∠ ABO；
θ3For the value of angle ∠ OCD；
θ4For the value of angle ∠ ODC；
θ5For the value of angle ∠ EAO；
θ6For the value of angle ∠ LBO；
θ7For the value of angle ∠ ICO；
θ8For the value of angle ∠ HDO.
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| CN110005228A (en) * | 2019-04-28 | 2019-07-12 | 西安航空学院 | A kind of effective energy-absorbing explosive-proof protector section structure |
| US20230055344A1 (en) * | 2021-08-20 | 2023-02-23 | Beijing University Of Technology | Bottom corner damper with displacement amplification function and fabricated type shear wall with rocking energy dissipation |
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| US11982099B2 (en) * | 2021-08-20 | 2024-05-14 | Beijing University Of Technology | Bottom corner damper with displacement amplification function and fabricated type shear wall with rocking energy dissipation |
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| CN109555236B (en) | 2024-01-05 |
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