CN206599850U - Compensate Self-resetting friction pendulum vibration absorption and isolation support - Google Patents
Compensate Self-resetting friction pendulum vibration absorption and isolation support Download PDFInfo
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- CN206599850U CN206599850U CN201720330897.3U CN201720330897U CN206599850U CN 206599850 U CN206599850 U CN 206599850U CN 201720330897 U CN201720330897 U CN 201720330897U CN 206599850 U CN206599850 U CN 206599850U
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Abstract
The utility model belongs to bearing technical field, discloses a kind of compensation Self-resetting friction pendulum vibration absorption and isolation support.It is mainly characterized in that：Including upper bracket plate, rotate core, displacement centering block, lower support plate, described displacement centering block is provided with convex edge, upper bracket plate bottom is provided with the displacement position-limiting blend stop matched with upper convex edge, energy-absorbing leaf spring is symmetrically arranged with the outside of displacement centering block, lower support plate is provided with the displacement matched with energy-absorbing leaf spring and limits plate；The displacement limit plate is connected by shear pin with lower support plate.The bearing, by the friction pendulum dissipation energy between displacement centering block and lower support plate, also by energy-absorbing leaf spring dissipation energy, by friction pendulum and energy-absorbing leaf spring double shielding, preferably protects building structure in coming earthquake.After shake, by the elastic deformability of metal, metal restoring force is directly acted on the core component displacement centering block of friction pendulum support, adds the horizontal restoring force of bearing, so that displacement centering block is returned into center.
Description
Technical field
The utility model belongs to bearing technical field, more particularly to a kind of compensation Self-resetting friction pendulum vibration absorption and isolation support.
Background technology
Earthquake is a kind of unavoidable natural phenomena of human society, and earthquake causes great shadow to the lives and properties of people
Ring, in order to avoid the loss in earthquake as far as possible, people have gradually paid attention to the research that building structure subtracts seismic isolation technology, and it is obtained
Great development should give the credit to by the structural seismic of main contents of base isolation and energy-dissipating and shock-absorbing protect system appearance and throwing
Enter to use.Sliding base-isolation is development and application one of seismic isolation technology earlier.Friction pendulum support is by specific spherical cambered surface, greatly
Basic natural period of structure's vibration is extended greatly, by the dissipation energy with high abrasion resisting material in sliding process, it is achieved thereby that
Shock insulation and the purpose of power consumption.
The horizontal force of friction pendulum support is that sliding surface frictional force and superstructure rise the restoring force produced along spherical cambered surface
With joint efforts, the gravity that the restoring force provided enables bearing to be born by it is automatic toward center movement, when two dynamic balances, branch
Seat will not be replied, that is, the residual displacement of the bearing occur, bearing can not reset.
Utility model content
The compensation Self-resetting that problem to be solved in the utility model is just to provide a kind of not only energy-absorbing damping but also resetted after shaking rubs
Wipe pendulum vibration absorption and isolation support.
To solve the above problems, the technical solution adopted in the utility model is：Including upper bracket plate, rotate core, displacement
Centering block, lower support plate, the top surface of upper bracket plate and bottom surface are all plane, and the top surface for rotating core is that plane, bottom surface are upper convex surface,
The top surface of displacement centering block is that upper recess surface, bottom surface are lower convex surface, and the top surface of lower support plate is that concave surface, bottom surface are plane, upper bracket
Plane slide plate is provided between plate and rotation core, rotates and is provided with spherical slide plate, displacement centering block between core and displacement centering block
Be provided with sliding skateboard between lower support plate, described displacement centering block is provided with convex edge, upper bracket plate bottom be provided with
Energy-absorbing leaf spring is symmetrically arranged with the outside of the displacement position-limiting blend stop that upper convex edge matches, displacement centering block, lower support plate is provided with
Plate is limited with the displacement that energy-absorbing leaf spring matches.
Its additional technical feature is：The displacement limit plate is connected by shear pin with lower support plate；
Described energy-absorbing leaf spring is connected by bolt with displacement centering block；
Described energy-absorbing leaf spring is four.
Compensation Self-resetting friction pendulum vibration absorption and isolation support provided by the utility model is usually identical with normal spherical bearing.
In coming earthquake, compensation Self-resetting friction pendulum vibration absorption and isolation support passes through the friction pendulum that is constituted between displacement centering block and lower support plate
Dissipation energy, simultaneously also by energy-absorbing leaf spring dissipation energy.The board-like spring structure of energy-absorbing is good high-elastic of load-carrying properties
The metal of property deformability and fatigue behaviour is made.In bearing antidetonation displacement process, by the elastic-plastic deformation of metal by ground
Shake energy expenditure changes the natural vibration period of structure simultaneously.So, by friction pendulum and energy-absorbing leaf spring double shielding, so that
Preferably protection building structure.After shake, by the elastic deformability of metal, metal restoring force directly acts on friction pendulum support
Core component displacement centering block on, the horizontal restoring force of bearing is added, so that displacement centering block is returned into center.And position
Move limit plate by shear pin with lower support plate to be connected, when earthquake grade is excessive, shear pin can be cut, and make the antidetonation of bearing
Displacement is further increased, so as to preferably protect building structure.Energy-absorbing leaf spring is connected by bolt with displacement centering block,
Install and change easy, as needed, energy-absorbing leaf spring is four, is distributed in displacement centering block surrounding.Energy-absorbing leaf spring also may be used
Replaced with cylindrical spring or other elastomers, different demands are met to provide more selections.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model compensates Self-resetting friction pendulum vibration absorption and isolation support；
Fig. 2 is the top view of compensation Self-resetting friction pendulum vibration absorption and isolation support.
Embodiment
The knot of Self-resetting friction pendulum vibration absorption and isolation support is compensated the utility model with reference to the accompanying drawings and detailed description
Structure and use principle are described in further details.
As shown in figure 1, it is all plane that the utility model compensation Self-resetting friction pendulum vibration absorption and isolation support, which includes top surface and bottom surface,
Upper bracket plate 1, the rotation core 2 that top surface is plane, bottom surface is upper convex surface, the position that top surface is upper recess surface, bottom surface is lower convex surface
Centering block 3 is moved, the lower support plate 4 that top surface is concave surface, bottom surface is plane is provided with plane between upper bracket plate 1 and rotation core 2
Slide plate 5, rotates and is provided with spherical slide plate 6 between core 2 and displacement centering block 3, be provided between displacement centering block 3 and lower support plate 4
Sliding skateboard 7, displacement centering block 3 is provided with convex edge 8, and the bottom of upper bracket plate 1 is provided with the displacement position-limiting matched with upper convex edge 8
Blend stop 9, the outside of displacement centering block 3 is symmetrically arranged with energy-absorbing leaf spring 10, and lower support plate 4 is provided with and the phase of energy-absorbing leaf spring 10
The displacement limit plate 11 of matching, displacement limit plate 11 is connected by shear pin 12 with lower support plate 4, and energy-absorbing leaf spring 10 passes through spiral shell
Bolt 13 is connected with displacement centering block 3.
As shown in Fig. 2 energy-absorbing leaf spring 10 is four, the surrounding of displacement centering block 3 is distributed in, displacement limits plate 11 and passes through shearing
Pin 12 is connected with lower support plate 4.
Compensation Self-resetting friction pendulum vibration absorption and isolation support provided by the utility model is usually identical with normal spherical bearing.
In coming earthquake, by the friction pendulum dissipation energy constituted between displacement centering block 3 and lower support plate 4, simultaneously also by energy-absorbing
The dissipation energy of leaf spring 10.The structure of energy-absorbing leaf spring 10 is the good high elastic deformation capacity and fatigue behaviour of load-carrying properties
Metal it is made.In bearing antidetonation displacement process, seismic energy consumption is changed simultaneously by the elastic-plastic deformation of metal
The natural vibration period of structure.So, by friction pendulum and the double shielding of energy-absorbing leaf spring 10, so that preferably protection building knot
Structure.After shake, by the elastic deformability of metal, metal restoring force directly acts on the core component displacement pendulum of friction pendulum support
On block, the horizontal restoring force of bearing is added, so that displacement centering block 3 is returned into center.And displacement limits plate 11 by cutting
Power pin 12 is connected with lower support plate 4, when earthquake grade is excessive, and shear pin 12 can be cut, and enter the antidetonation displacement of bearing
One step is increased, so as to preferably protect building structure.Energy-absorbing leaf spring 10 is connected by bolt 13 with displacement centering block 3,
Install and change easy, as needed, energy-absorbing leaf spring 10 is four, is distributed in the surrounding of displacement centering block 3.
Compensation Self-resetting friction pendulum vibration absorption and isolation support provided by the utility model, the base plane of upper bracket plate 1 and lower branch
The equal soldering stainless steel plate of the top concave surface of seat board 4 or hard chrome plating processing, plane slide plate 5 are embedded in rotation core 2, spherical slide plate
6 are embedded on displacement centering block 3, and sliding skateboard 7 is embedded on displacement centering block 3.
Compensation Self-resetting friction pendulum vibration absorption and isolation support provided by the utility model, is not limited only to said structure, all at this
Any modifications, equivalent substitutions and improvements made on the basis of utility model etc., should be included in protection domain of the present utility model
Within.
Claims (4)
1. Self-resetting friction pendulum vibration absorption and isolation support is compensated, including upper bracket plate, rotation core, displacement centering block, lower support plate, upper branch
The top surface of seat board and bottom surface are all plane, and the top surface for rotating core is that plane, bottom surface are upper convex surface, and the top surface of displacement centering block is upper
Concave surface, bottom surface are lower convex surface, and the top surface of lower support plate is that concave surface, bottom surface are plane, and upper bracket plate and rotating is set between core
Plane slide plate is equipped with, rotates and is provided with spherical slide plate between core and displacement centering block, set between displacement centering block and lower support plate
There is sliding skateboard, it is characterised in that：Described displacement centering block is provided with convex edge, and upper bracket plate bottom is provided with and upper convex edge phase
Energy-absorbing leaf spring is symmetrically arranged with the outside of the displacement position-limiting blend stop of matching, displacement centering block, lower support plate is provided with and energy-absorbing plate
The displacement limit plate that formula spring matches.
2. compensation Self-resetting friction pendulum vibration absorption and isolation support according to claim 1, it is characterised in that：The displacement limit plate leads to
Shear pin is crossed with lower support plate to be connected.
3. compensation Self-resetting friction pendulum vibration absorption and isolation support according to claim 1, it is characterised in that：Described energy-absorbing is board-like
Spring is connected by bolt with displacement centering block.
4. the compensation Self-resetting friction pendulum vibration absorption and isolation support according to claim 1 or 3, it is characterised in that：Described energy-absorbing
Leaf spring is four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330897.3U CN206599850U (en) | 2017-03-31 | 2017-03-31 | Compensate Self-resetting friction pendulum vibration absorption and isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330897.3U CN206599850U (en) | 2017-03-31 | 2017-03-31 | Compensate Self-resetting friction pendulum vibration absorption and isolation support |
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| Publication Number | Publication Date |
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| CN206599850U true CN206599850U (en) | 2017-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720330897.3U Active CN206599850U (en) | 2017-03-31 | 2017-03-31 | Compensate Self-resetting friction pendulum vibration absorption and isolation support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867349A (en) * | 2018-08-09 | 2018-11-23 | 交通运输部公路科学研究所 | A kind of friction pendulum vibration absorption and isolation support with multilayer shear pin |
| CN112523364A (en) * | 2020-10-28 | 2021-03-19 | 清华大学 | Anti-pulling double-layer double-pendulum type friction pendulum vibration isolation support |
| CN114775821A (en) * | 2021-08-20 | 2022-07-22 | 广东省建筑设计研究院有限公司 | Anti-blocking anti-pulling hinged support with two-way unequal rigidity |
-
2017
- 2017-03-31 CN CN201720330897.3U patent/CN206599850U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108867349A (en) * | 2018-08-09 | 2018-11-23 | 交通运输部公路科学研究所 | A kind of friction pendulum vibration absorption and isolation support with multilayer shear pin |
| CN108867349B (en) * | 2018-08-09 | 2021-05-04 | 交通运输部公路科学研究所 | Friction pendulum type seismic mitigation and isolation support with multiple layers of shear pins |
| CN112523364A (en) * | 2020-10-28 | 2021-03-19 | 清华大学 | Anti-pulling double-layer double-pendulum type friction pendulum vibration isolation support |
| CN114775821A (en) * | 2021-08-20 | 2022-07-22 | 广东省建筑设计研究院有限公司 | Anti-blocking anti-pulling hinged support with two-way unequal rigidity |
| CN114775821B (en) * | 2021-08-20 | 2023-08-29 | 广东省建筑设计研究院有限公司 | Two-way unequal-rigidity anti-seizing anti-pulling hinge support |
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