CN206599872U - Composite friction pendulum vibration absorption and isolation support - Google Patents
Composite friction pendulum vibration absorption and isolation support Download PDFInfo
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- CN206599872U CN206599872U CN201720330826.3U CN201720330826U CN206599872U CN 206599872 U CN206599872 U CN 206599872U CN 201720330826 U CN201720330826 U CN 201720330826U CN 206599872 U CN206599872 U CN 206599872U
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- centering block
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- shaped damping
- friction pendulum
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Abstract
The utility model belongs to bearing technical field, discloses a kind of composite 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, slip ring is cased with the outside of displacement centering block, special-shaped damping body is provided between slip ring and lower support plate, special-shaped damping body is connected by inboard rotary shaft with slip ring, and special-shaped damping body is connected by outside rotary shaft with lower support plate.Composite friction pendulum vibration absorption and isolation support is in coming earthquake, by friction pendulum, realizes shock insulation, shock-absorbing function.When earthquake magnitude is higher, by friction pendulum and special-shaped damping body double shielding, the purpose of dual power consumption is reached.After earthquake disappears, special-shaped damping body plays the function that auxiliary displacement centering block resets.When earthquake magnitude is too high, outside rotary shaft damages cutting certainly, it is ensured that the safety of building structure.
Description
Technical field
The utility model belongs to bearing technical field, more particularly to a kind of composite 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 composite friction pendulum 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 subtracts
Shock isolating pedestal.
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
Slip ring is cased with the outside of the displacement position-limiting blend stop that upper convex edge matches, displacement centering block, is provided between slip ring and lower support plate different
Type damping body, special-shaped damping body is connected by inboard rotary shaft with slip ring, and special-shaped damping body is by outside rotary shaft with
Support plate is connected.
Its additional technical feature is：Described special-shaped damping body is c-type, E types either ω types；
Described special-shaped damping body is four.
Composite friction pendulum vibration absorption and isolation support provided by the utility model is usually identical with normal spherical bearing.In earthquake
Come interim, by reciprocatingly slide composition friction pendulum of the displacement centering block on the big spherical cambered surface of lower support plate top surface concave surface, to prolong
Long substructure natural vibration period, realize shock insulation function.By the big spherical cambered surface of sliding skateboard and lower support plate top surface concave surface it
Between friction earthquake energy, realize shock-absorbing function.When earthquake magnitude is higher, displacement centering block is under lower support plate top surface
The single pendulum of the big spherical cambered surface of concave surface reciprocatingly slides the displacement of generation, special-shaped damping body is occurred elastic deformation, special-shaped damping body profit
There is good hysteretic characteristic after mecystasis is entered with metal, and a large amount of energy can be absorbed in elastoplasticity hysteresis deformation process
The characteristic of amount, realizes earthquake energy, absorbs the purpose of seismic energy.Because displacement centering block is in lower support plate top surface concave surface
Reciprocatingly sliding for big spherical cambered surface can make the small size lifting of bearing, using slip ring, different in nature damping body is smoothly connected to displacement
On centering block so that it is stable that bearing subtracts isolation property.
Composite friction pendulum vibration absorption and isolation support provided by the utility model, is protected by friction pendulum and special-shaped damping body bilayer
Shield, reaches the purpose of dual power consumption.Special-shaped damping body improves the horizontal damping ratio of friction pendulum support, adds to seismic energy
Absorb, seismic energy can be preferably absorbed than common friction pendulum support, so as to preferably protect building structure.When earthquake disappears
After mistake, the external force of special-shaped damping body is eliminated, and needs to restore to the original state, so as to play the function that auxiliary displacement centering block resets.When earthquake etc.
When level is too high, outside rotary shaft further extends the natural vibration period of substructure, it is ensured that the safety of building structure from cutting is damaged.
As needed, special-shaped damping body is c-type, E types either ω types.Special-shaped damping body is four, is distributed on displacement centering block surrounding.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model composite friction pendulum vibration absorption and isolation support；
Fig. 2 is the top view of composite friction pendulum vibration absorption and isolation support.
Embodiment
To the structure of the utility model composite friction pendulum vibration absorption and isolation support and make with reference to the accompanying drawings and detailed description
It is described in further details with principle.
As shown in figure 1, the utility model composite friction pendulum vibration absorption and isolation support includes the upper branch that top surface and bottom surface are all plane
Seat board 1, the rotation core 2 that top surface is plane, bottom surface is upper convex surface, the displacement centering block that top surface is upper recess surface, bottom surface is lower convex surface
3, the lower support plate 4 that top surface is concave surface, bottom surface is plane is provided with plane slide plate 5 between upper bracket plate 1 and rotation core 2,
Rotate and be provided with spherical slide plate 6 between core 2 and displacement centering block 3, slip is provided between displacement centering block 3 and lower support plate 4 and is slided
Plate 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 blend stop 9 matched with upper convex edge 8,
The outside of displacement centering block 3 is cased with slip ring 10, and special-shaped damping body 11, special-shaped damping body are provided between slip ring 10 and lower support plate 4
11 are connected by inboard rotary shaft 12 with slip ring 10, and special-shaped damping body 11 passes through outside rotary shaft 13 and the phase of lower support plate 4
Connection.
As shown in Fig. 2 the outside of displacement centering block 3 is cased with slip ring 10, special-shaped resistance is provided between slip ring 10 and lower support plate 4
Buddhist nun's body 11, special-shaped damping body 11 is connected by inboard rotary shaft 12 with slip ring 10, and special-shaped damping body 11 is rotated by outside
Axle 13 is connected with lower support plate 4, and special-shaped damping body 11 is c-type, and special-shaped damping body 11 is four, is distributed on displacement centering block 3 four
Week.
Composite friction pendulum vibration absorption and isolation support provided by the utility model is usually identical with normal spherical bearing.In earthquake
Temporarily, by reciprocatingly slide composition friction pendulum of the displacement centering block 3 on the big spherical cambered surface of the top surface concave surface of lower support plate 4, with
Extend substructure natural vibration period, realize shock insulation function.Pass through sliding skateboard 7 and the big ball arc of the top surface concave surface of lower support plate 4
Friction earthquake energy between face, realizes shock-absorbing function.When earthquake magnitude is higher, displacement centering block 3 is in lower support plate 4
The single pendulum of the big spherical cambered surface of top surface concave surface reciprocatingly slides the displacement of generation, special-shaped damping body 11 is occurred elastic deformation, special-shaped
Damping body 11 has good hysteretic characteristic, and the energy in elastoplasticity hysteresis deformation process using metal after mecystasis is entered
The characteristic of big energy is absorbed, earthquake energy is realized, absorbs the purpose of seismic energy.Because displacement centering block 3 is in undersetting
Reciprocatingly sliding for the big spherical cambered surface of the top surface concave surface of plate 4 can make the small size lifting of bearing, using slip ring 10, by different in nature damping body 11
Smoothly it is connected on displacement centering block 3 so that it is stable that bearing subtracts isolation property.
Composite friction pendulum vibration absorption and isolation support provided by the utility model, passes through friction pendulum and the double-deck guarantor of special-shaped damping body 11
Shield, reaches the purpose of dual power consumption.Special-shaped damping body 11 improves the horizontal damping ratio of friction pendulum support, adds to seismic energy
Absorption, seismic energy can be preferably absorbed than common friction pendulum support, so as to preferably protect building structure.Work as earthquake
After disappearance, the external force of special-shaped damping body 11 is eliminated, and needs to restore to the original state, so as to play the function that auxiliary displacement centering block 3 resets.It is local
When shake grade is too high, outside rotary shaft 13 further extends the natural vibration period of substructure, it is ensured that building structure from cutting is damaged
Safety.As needed, special-shaped damping body 11 is c-type, E types either ω types.Special-shaped damping body 11 is four, is distributed on displacement pendulum
The surrounding of block 3.
Compensation provided by the utility model resets friction pendulum vibration absorption and isolation support, the base plane of upper bracket plate 1 and undersetting
The equal soldering stainless steel plate of the top concave surface of plate 4 or hard chrome plating processing, plane slide plate 5 are embedded in rotation core 2, spherical slide plate 6
It is embedded on displacement centering block 3, sliding skateboard 7 is embedded on displacement centering block 3.
Composite friction pendulum vibration absorption and isolation support provided by the utility model, is not limited only to said structure, all new in this practicality
Any modifications, equivalent substitutions and improvements made on the basis of type etc., should be included within protection domain of the present utility model.
Claims (3)
1. composite friction pendulum vibration absorption and isolation support, including upper bracket plate, rotation core, displacement centering block, lower support plate, upper bracket plate
Top surface 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 upper recess surface,
Bottom surface is 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 provided between core flat
Face slide plate, rotates and is provided with spherical slide plate between core and displacement centering block, slip is provided between displacement centering block and lower support plate
Slide plate, it is characterised in that：Described displacement centering block is provided with convex edge, and upper bracket plate bottom is provided with what is matched with upper convex edge
Slip ring is cased with the outside of displacement position-limiting blend stop, displacement centering block, special-shaped damping body, abnormal shape resistance are provided between slip ring and lower support plate
Buddhist nun's body is connected by inboard rotary shaft with slip ring, and special-shaped damping body is connected by outside rotary shaft with lower support plate.
2. composite friction pendulum vibration absorption and isolation support according to claim 1, it is characterised in that：Described special-shaped damping body is C
Type, E types either ω types.
3. composite friction pendulum vibration absorption and isolation support according to claim 1 or 2, it is characterised in that：Described special-shaped damping body
For four.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330826.3U CN206599872U (en) | 2017-03-31 | 2017-03-31 | Composite friction pendulum vibration absorption and isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330826.3U CN206599872U (en) | 2017-03-31 | 2017-03-31 | Composite friction pendulum vibration absorption and isolation support |
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| Publication Number | Publication Date |
|---|---|
| CN206599872U true CN206599872U (en) | 2017-10-31 |
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ID=60145233
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720330826.3U Active CN206599872U (en) | 2017-03-31 | 2017-03-31 | Composite friction pendulum vibration absorption and isolation support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047159A (en) * | 2021-04-13 | 2021-06-29 | 昆明理工大学 | Beam type elastic shock absorption and isolation support |
| CN114000419A (en) * | 2021-11-19 | 2022-02-01 | 成都亚佳工程新技术开发有限公司 | Damping support |
-
2017
- 2017-03-31 CN CN201720330826.3U patent/CN206599872U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113047159A (en) * | 2021-04-13 | 2021-06-29 | 昆明理工大学 | Beam type elastic shock absorption and isolation support |
| CN113047159B (en) * | 2021-04-13 | 2022-03-11 | 昆明理工大学 | Beam type elastic shock absorption and isolation support |
| CN114000419A (en) * | 2021-11-19 | 2022-02-01 | 成都亚佳工程新技术开发有限公司 | Damping support |
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