CN207079751U - Part rocks post from vibration-proof structure - Google Patents
Part rocks post from vibration-proof structure Download PDFInfo
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- CN207079751U CN207079751U CN201720934495.4U CN201720934495U CN207079751U CN 207079751 U CN207079751 U CN 207079751U CN 201720934495 U CN201720934495 U CN 201720934495U CN 207079751 U CN207079751 U CN 207079751U
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- vibration
- movable block
- wall
- post
- support column
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- 239000011435 rock Substances 0.000 title claims abstract description 37
- 230000000116 mitigating effect Effects 0.000 claims abstract description 52
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- UPPMZCXMQRVMME-UHFFFAOYSA-N valethamate Chemical compound CC[N+](C)(CC)CCOC(=O)C(C(C)CC)C1=CC=CC=C1 UPPMZCXMQRVMME-UHFFFAOYSA-N 0.000 description 1
Abstract
Rocking post the utility model discloses a kind of local and be furnished with sway mitigation member from vibration-proof structure, the structure partial, the sway mitigation member left part and right part support the support column or wall on top respectively, and/or, the sway mitigation member front and rear supports the support column or wall on top respectively；The sway mitigation member is hinged with movable block, and the movable block is held on basis or floor back, and constrains movable block and basis or floor back Relative sliding, the structure story stiffness is weakened and be formed the structural system that can locally rock；The movable block rolls when being promoted by surrounding structure, and involve sway mitigation member and its supported each support column or wall horizontal comparison, lift, fall and relative motion etc. up and down.The utility model can be such that structure possesses from vibration-damping function, and stability when lift structure elasticity and elastoplastic vibration.
Description
Technical field
Construction Anti-earthquake technical field is the utility model is related to, rocks post from vibration damping knot more particularly to a kind of part
Structure.
Background technology
Two approach are substantially undergone in the development of house architectural structure Aseismic Design technology, first, improving structure itself resistance ground
The ability approach of shake, such as develop high performance material, component and structural system；Rung second, vibration control reduces structural earthquake excitation
Approach is answered, energy dissipation damper passive energy dissipation, and basic vibration isolation etc. are such as set.Passive energy dissipation and vibration isolation etc. in practice might not
Make a clear distinction between good and evil, the vibration control in engineering often contains the two concepts and technical measures simultaneously.
There is a kind of inside and outside constraint of specific aim loosening configuration and weakens some privileged sites in prior art, to reach structural vibration
The effect of control.Such as the vibration insulating foundation of natural rubber bearing, framework-wave Core Walls Structure etc., now structure or internal often present connect
The deformation of nearly rigid body mode, low order rank become big natural vibration period by a relatively large margin, and this usual class formation is referred to as swinging structure.Further
Ground, dissipative cell can be set up in weakened location, put into practice vibration isolation and passive energy dissipation use in conjunction, while reduce weakened location earthquake change
Shape；Or apply soap-free emulsion polymeization post-stress in component connecting portion and substitute and be rigidly connected, not only relaxed constraints were again in structure change
Produce hysteretic energy during shape, while enhancing structure stability and make structure that there is certain self-resetting capability.
Compared to traditional structure, swinging structure reduces energy input of the earthquake to structure by a relatively large margin, have from vibration damping and
Self-resetting capability etc.；On the other hand, the seismic deformation of swinging structure rigidity weakened location is larger, usually contains structure or non-structural
Annex, such as rubber support vibration insulating foundation, dissipative cell apply prestressing without bondn, more well-designed, construction and maintenance.
Utility model content
The purpose of this utility model is to propose a kind of local post that rocks from vibration-proof structure, make system possess from vibration-damping function,
From suppression rigidity weakened location seismic deformation and enhancing structure stability.
Technical scheme is used by the utility model solves its technical problem：Part rocks post from vibration-proof structure, the knot
Structure is locally furnished with sway mitigation member, and the sway mitigation member left part and right part support the support column or wall on top respectively, and/or, this rocks
Component front and rear supports the support column or wall on top respectively；The sway mitigation member is hinged with movable block, and the movable block is held on
On basis or floor back, and movable block and basis or floor back Relative sliding are constrained, make the reduction of the structure story stiffness simultaneously
Form the structural system that can locally rock；The movable block rolls when being promoted by surrounding structure, and involve sway mitigation member and
Its each support column or wall horizontal comparison supported, lift, fall and relative motion etc. up and down.
Further, the sway mitigation member is in the shape of the letter V, and its two upper end supports the support column or wall on top, and its respectively
First crossbeam is connected between two upper ends；The sway mitigation member lower end is hinged with the movable block.
Further, it is connected at the top of the sway mitigation member with it with place layer and adjacent superstructure by second cross beam.
Further, connected respectively by the 3rd crossbeam between the support column or wall and surrounding layers superstructure.
Further, spring and/or damper connection are respectively adopted between the support column or wall and surrounding layers superstructure.
Further, it is connected to the 4th crossbeam at each floor lid between the support column and/or wall.
Further, the movable block bottom surface is cylinder or convex surface.
Further, the contact surface of the movable block bottom surface and basis or floor back is intermeshing toothed surfaces.
Further, the sway mitigation member is V-arrangement post or del wall or inverted trapezoidal wall.
Compared to prior art, the utility model has the advantages that：
The utility model locally arranges the sway mitigation member, and the be hinged activity of sway mitigation member on architecture basics or floor beam
Block, the structure story stiffness is set to weaken and be formed the structural system that can locally rock, in favor of reducing seismic energy input；Activity
By surrounding structure Level Promoting pure rolling is occurred for block, and involves sway mitigation member and its horizontal side such as the support column supported or wall
Relative motion etc., and being adapted with the horizontal vibration of system up and down is moved, lifts, falls and distinguishes, it is horizontal equivalent to increase system
Oscillating mass, the low order frequency of system horizontal vibration is set to diminish, part of horizontal vibrational energy is converted into vertical vibration energy, has
Reduce system horizontal vibration displacement beneficial to further.
Especially, system horizontal displacement increases, and movable block pure rolling and the skew of basis or floor apical grafting synapsis also increase,
Sway mitigation member carrying gravity also increases the torque of the contact position；The lift such as movable block, sway mitigation member and support column thereon or wall
Rise and the acceleration of upper and lower relative motion is bigger, corresponding moment of inertia is also bigger, and both torques react on week
Closed structure, the adverse effect and enhancing structure stability of story stiffness reduction can be reduced.
Compared with prior art, the utility model can be not required to separately set up other power consumption annexes or apply prestressing without bondn, make
The adverse effect that structure weakens from suppression story stiffness, and enhancing structure stability.Movable block described in the utility model and shake
Structure random layer can be arranged locally on by shaking component.
The utility model is described in further detail below in conjunction with drawings and Examples；A kind of but office of the present utility model
Rock post and be not limited to embodiment from vibration-proof structure in portion.
Brief description of the drawings
Fig. 1 is the structural model schematic diagram of the present utility model of embodiment one；
Fig. 2 is the structural model side-move distortion schematic diagram of the present utility model of embodiment one；
Fig. 3 is one movable block of the present utility model of embodiment and basis or the respective outer side edges schematic diagram of floor back；
Fig. 4 is the movable block pure rolling of the present utility model of embodiment one and involves V-arrangement post plane motion schematic diagram；
Fig. 5 is the structural model schematic diagram of the present utility model of embodiment two；
Fig. 6 is the structural model schematic diagram of the present utility model of embodiment three；
Fig. 7 is example IV structural model schematic diagram of the present utility model.
Embodiment
Embodiment one
Refer to shown in Fig. 1-Fig. 4, a kind of part of the present utility model rocks post from vibration-proof structure, structure bottom part cloth
There is sway mitigation member, the sway mitigation member left part and right part support the support column 41 on top, wall 42 respectively.Sway mitigation member left part, right part
The component (support column or wall) supported is not same component, and in the present embodiment, i.e., sway mitigation member left part enters to support column 41
Row support, sway mitigation member right part are supported to wall 42.The sway mitigation member lower end is hinged with movable block 2, and the movable block 2 is held on
On basis 31, and movable block 2 and basic 31 Relative slidings are constrained, make the structure floor (i.e. sway mitigation member and the place of movable block 2
Floor) rigidity weakens and formed the structural system that can locally rock.When meeting with earthquake, the movable block 2 is promoted by surrounding structure
Roll to the left or to the right, and involve support column 41, the horizontal comparison of wall 42 that sway mitigation member and its left part and right part supported,
Lift, fall and relative motion etc. up and down.
Left part, the right part of sway mitigation member refer to two parts at sway mitigation member place in the transverse direction from vibration-proof structure, should
Two parts are using the hinge point of sway mitigation member and movable block 2 as boundary.
In the present embodiment, by the support that sway mitigation member, movable block 2, sway mitigation member left part and right part support respectively in system
Post or wall and the structure division of their institute's load-bearing, it is referred to as " locally rocking post "；And it " will locally rock post " periphery is attached thereto
System other structures part, it is referred to as " surrounding structure ".The component that sway mitigation member is supported is support column 41, wall 42, compared to biography
The landing shear wall of system, the property of wall 42 is relatively similar in support column 41, but general wall and the section bending resistance of post and shear stiffness are poor
Not larger, constraint of the wall 42 to system related floor horizontal distortion is better than support column 41.
In the present embodiment, the sway mitigation member is in the shape of the letter V, and its two upper end is left-right relation, and supports the branch respectively
Dagger 41, wall 42.The specific sway mitigation member is V-arrangement post 1.The bottom surface of movable block 2 is cylinder, in addition it is also possible to be convex surface,
Such as spherical crown surface etc..The top surface of the movable block 2 is plane, and the left and right ends of its bottom surface are docked one by one with top surface both ends.
In the present embodiment, the post (or wall) that should be vertically landed in traditional structure is hinged movable block 2 in bottom part by lower end
V-arrangement post 1 replace so that movable block 2, the support column 41 on the upper end of V-arrangement post 1 and its two, wall 42 etc., together with surrounding structure
Composition is local to rock column structure system.
In the present embodiment, the pin joint of the lower end of V-arrangement post 1 and movable block 2 be located at movable block 2 the center of curvature and bottom surface it
Between；The mechanical model that two upper ends of V-arrangement post 1 are connected with support column 41, wall 42 is be hinged.
In the present embodiment, there is first crossbeam 51 to connect between two upper ends of the V-arrangement post 1.1 liang of upper end of V-arrangement post
With first crossbeam 51 proximate composition, one triangle, the flexural deformation of V-arrangement post 1 can be reduced.
In the present embodiment, first crossbeam 51 and 1 liang of upper end rigid connection of V-arrangement post, 1 liang of upper end of V-arrangement post respectively with bottom around
Floor lid uses the rigid connection of second cross beam 61；Support column 41 and wall 42 use the rigid connection of the 3rd crossbeam 62 with surrounding layers superstructure respectively；
The 4th crossbeam 52 is connected between support column 41 and wall 42 at each floor lid absolute altitude, and the mechanical model connected is hinge
Connect.
In the present embodiment, the be hinged movable block 2 in V-arrangement post 1 and its lower end is arranged in the principal oscillation direction of system, and basis 31 is pushed up
Face is horizontal plane.
In the present embodiment, as shown in figure 3, the contact surface of the bottom surface of the movable block 2 and the top of basis 31 is intermeshing tooth
Shape face, but it is not limited to this.The outer surface at the dentation bottom of movable block 2 is foregoing cylindrical face, the outline at basic 31 apical tooth shape bottoms
Face is aforementioned levels face.The bottom surface of movable block 2 is intermeshed with the top of basis 31, limits movable block 2 and the contact-sliding on basis 31,
Movable block 2 is set to push up pure rolling on basis 31.
During system horizontal vibration, movable block 2 on basis 31 pushes up pure rolling, and to involve V-arrangement post 1 horizontal, vertical with its lower end pin joint
Straight translation, and rotated around its lower end pin joint；V-arrangement post 1 further involves support column 41 on its two upper end, wall 42 etc.
Horizontal translation (sidesway), vertical translation (lift, fall), and upper and lower relative motion.
It is if as shown in figure 4, known：1 a height of h of V-arrangement post1, the lower end of V-arrangement post 1 is with the pin joint of movable block 2 from the height that basis 31 is pushed up
For h2, the radius on the face of cylinder of movable block 2 is R, and the horizontal displacement of the upper end of V-arrangement post two is Δ, the corner of the plane motion of V-arrangement post 1
For β；And make：The corner of the pure rolling of movable block 2 is α, and the contact position offset of the bottom surface of movable block 2 and the top of basis 31 is δ s, V
The lower end of shape post 1 and the horizontal displacement of the pin joint of movable block 2 are δ x, and vertical displacement is δ y,
Then, it is contemplated that R is much larger than Δ, has：Δ≈δx+βh1；δx≈δs-α(R-h2)=α h2；Δ≈αh2+βh1；δs≈α
R；α≈(Δ-βh1)/h2；δ y=(R-h2)(1-cosα)≈(R-h2)α2/2
To the horizontal displacement Δ value of the upper end of identical V-arrangement post two, if：h2/ R or h2/h1Be worth it is small, then：Corresponding big, the δ s of α values
Value is corresponding big, and δ x values are corresponding small, and δ y values are corresponding big；If：The corner β value of the plane motion of V-arrangement post 1 is small, then：Corresponding small, the δ s values of α values
Corresponding small, δ x values are corresponding big, and δ y values are corresponding small.
The corner β value of the plane motion of V-arrangement post 1, except with h2/h1And R size is relevant, mainly by system horizontal vibration when
The power balance equation or differential equation of motion established solve, i.e.,：It is mainly horizontal with the second cross beam 61 and the 3rd of surrounding structure
Beam 62 or spring 71 and damper 72 (as shown in Figure 6) etc. act on the horizontal thrust and vertical constraint of 1 liang of upper end of V-arrangement post
Power, and the quality size of the superstructure of 1 liang of upper end support of V-arrangement post are relevant.
A kind of local post that rocks of the present utility model illustrates that it suppresses firm from vibration damping, certainly from vibration-proof structure with embodiment one
The working mechanism for spending weakened location seismic deformation and enhancing structure stability is as follows：
(1) the part rocks post from vibration-proof structure, and bottom is furnished with the V-arrangement post 1 of the be hinged curved surface bottom movable block 2 of lower end band,
Form a kind of part and rock post damping system, and release 1 time styletable rotational restraint of V-arrangement post and upward kinematic constraint, past release V
The lower end horizontal movement constraint of shape post 1, weakens system bottom rigidity；Promoted by surrounding structure, the pure rolling of movable block 2 involves V-arrangement
Support column 41 and wall 42 on the upper end of post 1 and its two etc. are lifted, fall and quite moved up and down, are mutually fitted with system horizontal vibration
Should, equivalent to system horizontal vibration quality is added, the system low order natural frequency of vibration is diminished by a relatively large margin, so as to special away from place
Frequency is levied, the seismic energy input to system is advantageously reduced, to reduce system horizontal vibration displacement amplitude.
(2) the part rocks post from vibration-proof structure, is promoted by surrounding structure, movable block 2 involves the grade of V-arrangement post 1 and shaken to side
Shake, movable block 2 rotates with it angle increase with basic 31 top contacts (support) position and constantly offset, the upper end of V-arrangement post 1 and its two
On support column 41 and the grade of wall 42 gradually lifted therewith, the gravity that support column 41 on 1 liang of upper end of V-arrangement post and wall 42 carry
Negative work is done, a part of system horizontal vibration kinetic energy converts gravitional force, so as to further reduce system horizontal vibration displacement amplitude.
(3) the part rocks post from vibration-proof structure, is promoted by surrounding structure, movable block 2 involves the grade of V-arrangement post 1 and shaken to side
Shake, V-arrangement post 1 rotates relative motion above and below support column 41 and the grade of wall 42 involved on its two upper end, and a part of system level is shaken
Kinetic energy is converted into vertical vibration kinetic energy, while increases the internally-damped dissipation of system, so as to further reduce system horizontal vibration
Displacement amplitude.
(4) the part rocks post from vibration-proof structure, is promoted by surrounding structure, movable block 2 involves the grade of V-arrangement post 1 and shaken to side
Shake, the curved surface bottom of movable block 2 increases with its corner with basic 3 top contacts (support) position and constantly offset, 1 liang of upper end of V-arrangement post
The gravity that support column (or wall) 41 and 42 carries also gradually increases the square of the contact position, and the torque, which reacts on, around to be tied
Structure, the horizontal comparison of bottom superstructure will be hindered, so as to reduce the adverse effect of system bottom rigidity reduction.
(5) the part rocks post from vibration-proof structure, is promoted by surrounding structure, movable block 2 involves the grade of V-arrangement post 1 and shaken to side
Shake, V-arrangement post 1 rotates support column 41 and the relative motion up and down of the grade of wall 42 involved on its two upper end, and motion on the other hand accelerates
Moment of inertia corresponding to degree, bottom superstructure etc. will be reacted on, the horizontal comparison of bottom superstructure will be also hindered, so as to reduce system
The adverse effect of bottom rigidity reduction.
As it is preceding (2), (3), (4) and (5) described, support column 41 and wall 42 on movable block 2, the upper end of V-arrangement post 1 and its two
Deng, its mechanical model equivalent to one " tumbler " built in system, except playing a foregoing reduction system horizontal displacement, control system
The effect of horizontal vibration, effective lifting body is also tied up to stability when elasticity and elastoplastic vibration.
A kind of local post that rocks of the present utility model is from this holding as system such as vibration-proof structure, the movable block, V-arrangement post
Mount components, can be without separately setting up other dissipative cells or applying prestressing without bondn etc..But the utility model do not repel as
Basis, further take and set up the technical measures such as dissipative cell or application prestressing without bondn.
Embodiment two
Shown in Figure 5, a kind of part of the present utility model rocks post from vibration-proof structure, and it is main with embodiment one
Difference is：The upper component of the two upper ends support of V-arrangement post 1 is support column 41,43, and 1 liang of upper end of V-arrangement post is propped up with it
The connection of dagger 41,43 is rigid connection；Support column 41,43 is hinged with the 3rd crossbeam 62 between surrounding layers superstructure respectively, branch
Dagger 41,43 is connected to the 4th crossbeam 52 at each floor lid absolute altitude, and the mechanical model connected is rigid connection.
Embodiment three
Shown in Figure 6, a kind of part of the present utility model rocks post from vibration-proof structure, and it is main with embodiment two
Difference is：Movable block 2 and V-arrangement post 1 not arrangement bottom, and structure higher floor is arranged on, shelve and be supported in floor
On Liang32Ding.
The present embodiment and the difference of embodiment two also reside in：Spring is used between support column 41,43 and surrounding layers superstructure
71 and damper 72 connect.
Example IV
Shown in Figure 7, a kind of part of the present utility model rocks post from vibration-proof structure, and it is main with embodiment two
Difference is：V-arrangement post 1 and first crossbeam 51 are replaced by a piece of del wall 8.Correspondingly, the lower end of del wall 7 and activity
Block 2 is be hinged, and the upper component of the two upper ends support of del wall 7 is post component, i.e. support column 41,43.
Embodiment five
The difference of itself and the various embodiments described above is：The sway mitigation member is inverted trapezoidal wall.
Embodiment six
The difference of itself and the various embodiments described above is：The sway mitigation member only front and rear supports the support on top respectively
Post or wall, and the component (support column or wall) that sway mitigation member is anterior, rear portion is supported not is same component.Before sway mitigation member
Portion, rear portion refer to sway mitigation member go the longitudinal direction from vibration-proof structure where two parts, two parts with sway mitigation member with
The hinge point of movable block is boundary.
Embodiment seven
The difference of itself and the various embodiments described above is：Not only left part and right part support the branch on top to the sway mitigation member respectively
Dagger or wall, the front and rear of the sway mitigation member also support the support column or wall on top, and sway mitigation member left part, the right side respectively
Portion, front portion, rear portion and any two in this, any three components (support column or wall) supported are not same
Component.
Above-described embodiment is only used for further illustrating a kind of local post that rocks of the present utility model from vibration-proof structure, but this reality
Embodiment is not limited to new, every sway mitigation member according to the technical essence of the utility model to above example, work
Any simple modification, equivalent change and modification that the construction of motion block etc. is made, each falls within the protection of technical solutions of the utility model
In the range of.
Claims (9)
1. local rock post from vibration-proof structure, it is characterised in that：The structure partial is furnished with sway mitigation member, the sway mitigation member left part and
Right part supports the support column or wall on top respectively, and/or, the sway mitigation member front and rear support respectively top support column or
Wall；The sway mitigation member is hinged with movable block, the movable block be held on basis or floor back on, and constrain movable block with basis or
Floor back Relative sliding, the structure story stiffness is set to weaken and be formed the structural system that can locally rock；The movable block by
Surrounding structure promote when roll, and involve sway mitigation member and its supported each support column or wall horizontal comparison, lift, fall
Lower and upper lower relative motion.
2. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The sway mitigation member is in the shape of the letter V,
Its two upper end supports the support column or wall on top respectively, and is connected with first crossbeam between its two upper end；It is described to rock structure
Part lower end is hinged with the movable block.
3. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：At the top of the sway mitigation member and its
Place layer and adjacent superstructure is connected by second cross beam.
4. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The support column or wall and surrounding
Connected respectively by the 3rd crossbeam between each floor lid.
5. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The support column or wall and surrounding
Spring and/or damper connection are respectively adopted between each floor lid.
6. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The support column and/or wall it
Between be connected to the 4th crossbeam at each floor lid.
7. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The movable block bottom surface is cylinder
Or convex surface.
8. the part according to claim 1 or 7 rocks post from vibration-proof structure, it is characterised in that：The movable block bottom surface with
The contact surface of basis or floor back is intermeshing toothed surfaces.
9. part according to claim 1 rocks post from vibration-proof structure, it is characterised in that：The sway mitigation member is V-arrangement post
Or del wall or inverted trapezoidal wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934495.4U CN207079751U (en) | 2017-07-28 | 2017-07-28 | Part rocks post from vibration-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720934495.4U CN207079751U (en) | 2017-07-28 | 2017-07-28 | Part rocks post from vibration-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207079751U true CN207079751U (en) | 2018-03-09 |
Family
ID=61424289
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720934495.4U Withdrawn - After Issue CN207079751U (en) | 2017-07-28 | 2017-07-28 | Part rocks post from vibration-proof structure |
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| CN (1) | CN207079751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385513A (en) * | 2018-04-23 | 2018-08-10 | 大连理工大学 | A kind of semifixed bearing of elasticity for Bridge Seismic |
-
2017
- 2017-07-28 CN CN201720934495.4U patent/CN207079751U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108385513A (en) * | 2018-04-23 | 2018-08-10 | 大连理工大学 | A kind of semifixed bearing of elasticity for Bridge Seismic |
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