CN109853769B - Rail type friction-variable pendulum vibration isolation support - Google Patents
Rail type friction-variable pendulum vibration isolation support Download PDFInfo
- Publication number
- CN109853769B CN109853769B CN201910180065.1A CN201910180065A CN109853769B CN 109853769 B CN109853769 B CN 109853769B CN 201910180065 A CN201910180065 A CN 201910180065A CN 109853769 B CN109853769 B CN 109853769B
- Authority
- CN
- China
- Prior art keywords
- sliding surface
- sliding
- rail
- clamping groove
- friction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 19
- 230000003044 adaptive effect Effects 0.000 claims description 6
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Vibration Prevention Devices (AREA)
Abstract
The invention relates to a rail type variable friction pendulum vibration isolation support, which comprises an upper sliding rail provided with a strip-shaped upper clamping groove, a sliding block and a lower sliding rail provided with a strip-shaped lower clamping groove; the upper portion of slider is equipped with buckle and upper sliding surface, the lower part of slider is equipped with buckle and lower sliding surface down, go up the buckle card and go into in the draw-in groove, lower buckle card goes into in the draw-in groove down, go up the orbital lower surface of sliding is equipped with first sliding surface, lower sliding orbital upper surface is equipped with the second sliding surface, go up sliding surface and first sliding surface cylinder contact, lower sliding surface and second sliding surface cylinder contact, go up orbital axial central line and lower sliding orbital axial central line nonparallel, all cover the frictional layer that different district coefficient of friction is different on first sliding surface, the second sliding surface, go up sliding surface and all cover the wearing layer down on the sliding surface. The invention enables the support to have excellent shock insulation performance to cope with the test of different levels of earthquake actions, and simultaneously reduces the cost to better popularize the shock insulation technology, and belongs to the technical field of shock insulation.
Description
Technical Field
The invention relates to the technical field of shock insulation, in particular to a rail type variable friction pendulum shock insulation support.
Background
The friction pendulum vibration isolation support has the advantages of high bearing capacity, high energy consumption capacity, no dependence on an upper structure in period and the like, and is widely applied to a plurality of engineering fields such as buildings, bridges and the like. The traditional friction pendulum vibration isolation support has the same property in all directions, and the support cannot bear the tensile force, so that the application range of the friction pendulum vibration isolation support is limited. In addition, the rigidity of the traditional shock insulation support including the friction pendulum is always positive, the breakthrough of zero rigidity and negative rigidity of the shock insulation support cannot be realized, and the friction pendulum shock insulation support is large in volume and poor in economical efficiency.
Disclosure of Invention
Aiming at the technical problems existing in the prior art, the invention aims at: the rail type variable friction pendulum vibration isolation support is provided, so that the support has excellent vibration isolation performance to cope with the test of different level earthquake actions, and meanwhile, the cost is reduced, and the vibration isolation technology is better popularized.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the rail type friction-variable pendulum vibration isolation support comprises an upper sliding rail provided with a strip-shaped upper clamping groove, a sliding block and a lower sliding rail provided with a strip-shaped lower clamping groove; the upper portion of slider is equipped with buckle and upper sliding surface, the lower part of slider is equipped with buckle and lower sliding surface down, go up the buckle card and go into in the draw-in groove, lower buckle card goes into in the draw-in groove down, it is equipped with first sliding surface to go up the orbital lower surface of sliding, lower sliding surface is equipped with the second sliding surface, go up sliding surface and first sliding surface cylinder contact, lower sliding surface and second sliding surface cylinder contact, go up orbital axial central line and lower sliding orbital axial central line are nonparallel, first sliding surface coats and has the frictional layer that different district coefficient of friction is different, second sliding surface coats and has the frictional layer that different district coefficient of friction is different, go up sliding surface and lower sliding surface are all covered the wearing layer.
Further is: the upper sliding rail comprises an upper connecting plate, an upper rail body fixed on the upper connecting plate, and two upper limiting blocks respectively fixed at two ends of the upper rail body; the two sides of the upper rail body are provided with upper clamping grooves, and the first sliding surface is arranged on the lower surface of the upper rail body;
the lower sliding rail comprises a lower connecting plate, a lower rail body fixed on the lower connecting plate, and two lower limiting blocks respectively fixed at two ends of the lower rail body; the two sides of the lower rail body are provided with lower clamping grooves, and the second sliding surface is arranged on the upper surface of the lower rail body;
the sliding block comprises a sliding body, two upper buckles arranged at the upper end of the sliding body and two lower buckles arranged at the lower end of the sliding body; the upper sliding surface is arranged on the upper end surface of the sliding body, the lower sliding surface is arranged on the lower end surface of the sliding body, the two upper buckles are respectively positioned on two sides of the upper sliding surface, and the two lower buckles are respectively positioned on two sides of the lower sliding surface;
the upper sliding surface of the sliding body is contacted with the cylindrical surface of the first sliding surface, and the lower sliding surface of the sliding body is contacted with the cylindrical surface of the second sliding surface.
Further is: the upper sliding surface of the sliding body, the lower sliding surface of the sliding body, the first sliding surface and the second sliding surface are cylindrical surfaces, the width of the upper sliding surface is adaptive to the width of the first sliding surface, and the width of the lower sliding surface is adaptive to the width of the second sliding surface.
Further is: the upper clamping groove and the lower clamping groove are arc-shaped clamping grooves, rubber layers are arranged in the upper clamping groove and the lower clamping groove, the central line of the upper clamping groove is parallel to the first sliding surface, and the central line of the lower clamping groove is parallel to the second sliding surface.
Further is: the central line of the upper sliding surface is orthogonal to the central line of the lower sliding surface, the arrangement direction of the two upper buckles is orthogonal to the arrangement direction of the two lower buckles, and the axial central line of the upper sliding rail is orthogonal to the axial central line of the lower sliding rail.
Further is: the upper limiting block and the lower limiting block are respectively provided with a rubber flexible layer.
Further is: the cross section area of the upper clamping groove is larger than that of the upper clamping buckle, and the cross section area of the lower clamping groove is larger than that of the lower clamping buckle.
Further is: the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface are sequentially increased from the center to the edge;
or the change trend of the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface is gradually reduced according to a fixed value determined by the support parameter;
alternatively, the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface change gradually in a trend of decreasing at a fixed value determined to be larger than the abutment parameter.
Further is: the edge of the upper connecting plate is reserved with a bolt hole, a clamping block or a clamping groove, and the edge of the lower connecting plate is reserved with a bolt hole, a clamping block or a clamping groove.
In general, the invention has the following advantages:
the rail type variable friction pendulum vibration isolation support is connected with the cylindrical surface of the sliding surface through the buckle type sliding block, only a sliding rail with the same width as the sliding block is reserved, so that the support performance can realize bidirectional decoupling, the defect that the friction pendulum vibration isolation support cannot bear tensile force is overcome, the rigidity of the support can be continuously changed from positive values to negative values through reasonable arrangement of the friction coefficient of the sliding surface, the rigidity of the support can be zero, the isotropy of the vibration isolation support and the confinement of which the rigidity is always positive values are broken through, the damping of the support is changed along with the isotropy of the vibration isolation support, and the support shows extremely strong self-adaptability under the seismic action of different levels. In addition, compared with a friction pendulum, the volume of the support is reduced considerably, and the excellent shock insulation performance and better economical efficiency are obtained. A track type friction-variable pendulum vibration isolation support with two-way decoupling performance, tension force bearing function, arbitrary change of stiffness value from positive value to negative value and smaller volume enables the support to have excellent vibration isolation performance to cope with the test of different level earthquake actions, and meanwhile cost is reduced to better popularize the vibration isolation technology.
Drawings
Fig. 1 is a schematic structural view of the present mount.
Fig. 2 is an exploded view of the present mount.
FIG. 3 is a schematic diagram of the hysteresis curve of example 1.
FIG. 4 is a schematic of the hysteresis curve of example 2.
FIG. 5 is a schematic of the hysteresis curve of example 3.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
In order to facilitate the unified viewing of the various reference numerals within the drawings of the specification, the reference numerals appearing in the drawings of the specification are now collectively described as follows:
1 is an upper sliding track, 2 is a sliding block, 3 is a lower sliding track, 1-1 is an upper connecting plate, 1-2 is an upper rail body, 1-3 is an upper limiting block, 1-4 is an upper clamping groove, 2-1 is a sliding body, 2-2 is an upper clamping buckle, 2-3 is an upper sliding surface, 2-4 is a lower clamping buckle, 3-1 is a lower connecting plate, 3-2 is a lower rail body, 3-3 is a lower limiting block, 3-4 is a lower clamping groove, and 3-5 is a second sliding surface.
Example 1
The rail type friction-variable pendulum vibration isolation support is shown in combination with fig. 1 and 2, and comprises an upper sliding rail provided with a strip-shaped upper clamping groove, a sliding block and a lower sliding rail provided with a strip-shaped lower clamping groove. The upper portion of slider is equipped with buckle and upper sliding surface, the lower part of slider is equipped with buckle and lower sliding surface (not shown in the figure), go up the buckle card and go up the draw-in groove in, lower buckle card goes into lower draw-in groove in, go up the orbital lower surface of sliding and be equipped with first sliding surface (not shown in the figure), lower sliding orbital upper surface is equipped with the second sliding surface, go up sliding surface and first sliding surface cylinder contact, lower sliding surface and second sliding surface cylinder contact, go up orbital axial central line of sliding and lower sliding orbital axial central line nonparallel, go up sliding track and lower sliding track existence angle promptly. The first sliding surface is covered with friction layers with different friction coefficients in different areas, namely the friction coefficients of the friction layers are different in different positions or different areas, the second sliding surface is covered with friction layers with different friction coefficients in different areas, namely the friction coefficients of the friction layers are different in different positions or different areas, and the upper sliding surface and the lower sliding surface are both covered with wear-resistant layers.
Referring to fig. 1 and 2, the upper sliding rail comprises an upper connecting plate, an upper rail body fixed on the lower end surface of the upper connecting plate, and two upper limiting blocks fixed on two ends of the upper rail body respectively; the upper connecting plate, the upper rail body and the upper limiting block are integrally formed, the two sides of the upper rail body are respectively provided with an upper clamping groove, and the first sliding surface is arranged on the lower surface of the upper rail body.
The lower sliding rail comprises a lower connecting plate, a lower rail body fixed on the upper end surface of the lower connecting plate, and two lower limiting blocks respectively fixed at two ends of the lower rail body; the lower connecting plate, the lower rail body and the lower limiting block are integrally formed, lower clamping grooves are formed in two sides of the lower rail body, and the second sliding surface is arranged on the upper surface of the lower rail body.
The slider includes the sliding body, sets up two upper buckles in the sliding body upper end, sets up two lower buckles in the sliding body lower extreme. The sliding body, the upper buckle and the lower buckle are integrally formed. The upper sliding surface is arranged on the upper end surface of the sliding body, the lower sliding surface is arranged on the lower end surface of the sliding body, the two upper buckles are respectively positioned on two sides of the upper sliding surface, and the two lower buckles are respectively positioned on two sides of the lower sliding surface.
The upper buckles are respectively clamped into the upper clamping grooves on two sides of the upper rail body, the upper buckles can slide in the upper clamping grooves, the two lower buckles are respectively clamped into the lower clamping grooves on two sides of the lower rail body, the lower buckles can slide in the lower clamping grooves, the upper sliding surface of the sliding body is in cylindrical contact with the first sliding surface, and the lower sliding surface of the sliding body is in cylindrical contact with the second sliding surface.
The upper sliding surface of the sliding body, the lower sliding surface of the sliding body, the first sliding surface and the second sliding surface are cylindrical surfaces, the width of the upper sliding surface is adaptive to the width of the first sliding surface, and the width of the lower sliding surface is adaptive to the width of the second sliding surface.
The upper clamping groove and the lower clamping groove are arc-shaped clamping grooves, rubber layers are arranged in the upper clamping groove and the lower clamping groove, the central line of the upper clamping groove is parallel to the first sliding surface, and the central line of the lower clamping groove is parallel to the second sliding surface.
The center line of the upper sliding surface is orthogonal to the center line of the lower sliding surface, and the arrangement direction of the two upper buckles is orthogonal to the arrangement direction of the two lower buckles, for example: the two upper buckles are arranged along the transverse direction, the two lower buckles are arranged along the longitudinal direction, and the axial center line of the upper sliding rail is orthogonal with the axial center line of the lower sliding rail.
The cross section area of the upper clamping groove is larger than that of the upper clamping buckle, and the cross section area of the lower clamping groove is larger than that of the lower clamping buckle.
The friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface are sequentially increased from the center to the edge, namely, the change trend of the friction coefficient from the center to the edge (from inside to outside and from the center to two ends) is sequentially increased, and the exact value of the friction coefficient is determined according to the requirements of the shock insulation design.
The upper limiting block and the lower limiting block are respectively provided with a rubber flexible layer. The edge of the upper connecting plate is reserved with a bolt hole, a clamping block or a clamping groove, and the edge of the lower connecting plate is reserved with a bolt hole, a clamping block or a clamping groove. Through the bolt hole, fixture block or draw-in groove of reserving, the upper junction plate is connected with upper portion structure, and the lower junction plate is connected with lower portion structure.
The radii of curvature and coefficient of friction profiles of the upper and lower slide rails may be the same or different.
The hysteresis curve of the rail type variable friction pendulum vibration isolation support obtained according to the design is shown in fig. 3, the greater the friction force is, the greater the rigidity of the support is, namely the greater the slope of the curve is, the rigidity of the line in the oblique direction is a positive value, and the rigidity of the line in the oblique direction is a negative value.
Under the action of an earthquake, when the lateral force applied to one direction of the structure exceeds the static friction force of the support in the direction, the sliding block slides with the sliding rail in the direction, so that the effect of isolating the earthquake is achieved; along with the increase of the earthquake intensity, the sliding block gradually slides from the center of the sliding rail to the edge, the rigidity of the rail type variable friction pendulum vibration isolation support is increased along with the increase of the displacement of the sliding block, and the greater the friction, the greater the rigidity of the support is, and the extremely strong self-adaptability is shown. At this time, through reasonable design, can make the rigidity of support increase gradually in the shock insulation layer and avoid the shock insulation layer to put too big, demonstrate ideal shock insulation effect. When the earthquake intensity exceeds the design intensity to a certain extent, the sliding block can touch the limiting block, and the rubber flexible layer arranged on the limiting block plays a role in buffering and certain energy consumption. In addition, the tensile force born by the shock insulation layer under the action of the earthquake is resisted by the shearing between the buckle and the clamping groove, and the defect that the friction pendulum shock insulation support cannot bear the tensile force is overcome.
Example 2
The technical features are the same as in example 1 except for the following technical features.
In this embodiment 2, the change trend of the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface is a fixed value determined by the support parameter gradually decreases; that is, the change trend of the friction coefficient of the sliding surface of the upper and lower sliding rails from the center to the edge (from inside to outside) is a fixed value determined according to the support parameters.
The hysteresis curve of the track type variable friction pendulum vibration isolation support, which is designed according to the design, is shown in fig. 4. At this time, the rigidity of the support is zero, the limitation that the rigidity of the support is always positive is broken through, and an excellent shock insulation effect can be obtained.
Example 3
The technical features are the same as in example 1 except for the following technical features.
In this embodiment 3, the change trend of the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface is gradually decreased by a fixed value determined to be larger than the abutment parameter, that is, the change trend of the friction coefficient of the sliding surface of the upper and lower sliding rails from the center to the edge (from inside to outside) is decreased by a fixed value determined to be larger than the abutment parameter.
The hysteresis curve of the track type variable friction pendulum vibration isolation support, which is designed according to the design, is shown in figure 5. At the moment, the rigidity of the support is negative, the limitation that the rigidity of the support is always positive is broken through, and excellent shock insulation effect can be obtained when the support is matched with other shock insulation supports.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present invention should be made in the equivalent manner, and the embodiments are included in the protection scope of the present invention.
Claims (7)
1. Rail mounted becomes friction pendulum shock insulation support, its characterized in that: the device comprises an upper sliding rail provided with a strip-shaped upper clamping groove, a sliding block and a lower sliding rail provided with a strip-shaped lower clamping groove; the upper part of the sliding block is provided with an upper buckle and an upper sliding surface, the lower part of the sliding block is provided with a lower buckle and a lower sliding surface, the upper buckle is clamped into an upper clamping groove, the lower buckle is clamped into a lower clamping groove, the lower surface of an upper sliding rail is provided with a first sliding surface, the upper surface of the lower sliding rail is provided with a second sliding surface, the upper sliding surface is in cylindrical contact with the first sliding surface, the lower sliding surface is in cylindrical contact with the second sliding surface, the axial center line of the upper sliding rail is not parallel to the axial center line of the lower sliding rail, the first sliding surface is covered with friction layers with different friction coefficients in different areas, the second sliding surface is covered with friction layers with different friction coefficients in different areas, and the upper sliding surface and the lower sliding surface are covered with wear-resistant layers; the cross section area of the upper clamping groove is larger than that of the upper clamping buckle, and the cross section area of the lower clamping groove is larger than that of the lower clamping buckle; the change trend of the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface is gradually reduced according to a fixed value determined by the support parameters; alternatively, the friction coefficient of the friction layer of the first sliding surface and the friction coefficient of the friction layer of the second sliding surface change gradually in a trend of decreasing at a fixed value determined to be larger than the abutment parameter.
2. The orbital variable friction pendulum vibration isolation mount of claim 1 wherein: the upper sliding rail comprises an upper connecting plate, an upper rail body fixed on the upper connecting plate, and two upper limiting blocks respectively fixed at two ends of the upper rail body; the two sides of the upper rail body are provided with upper clamping grooves, and the first sliding surface is arranged on the lower surface of the upper rail body; the lower sliding rail comprises a lower connecting plate, a lower rail body fixed on the lower connecting plate, and two lower limiting blocks respectively fixed at two ends of the lower rail body; the two sides of the lower rail body are provided with lower clamping grooves, and the second sliding surface is arranged on the upper surface of the lower rail body; the sliding block comprises a sliding body, two upper buckles arranged at the upper end of the sliding body and two lower buckles arranged at the lower end of the sliding body; the upper sliding surface is arranged on the upper end surface of the sliding body, the lower sliding surface is arranged on the lower end surface of the sliding body, the two upper buckles are respectively positioned on two sides of the upper sliding surface, and the two lower buckles are respectively positioned on two sides of the lower sliding surface; the upper sliding surface of the sliding body is contacted with the cylindrical surface of the first sliding surface, and the lower sliding surface of the sliding body is contacted with the cylindrical surface of the second sliding surface.
3. The orbital variable friction pendulum vibration isolation mount of claim 2 wherein: the upper sliding surface of the sliding body, the lower sliding surface of the sliding body, the first sliding surface and the second sliding surface are cylindrical surfaces, the width of the upper sliding surface is adaptive to the width of the first sliding surface, and the width of the lower sliding surface is adaptive to the width of the second sliding surface.
4. A track type variable friction pendulum vibration isolation mount according to claim 3, wherein: the upper clamping groove and the lower clamping groove are arc-shaped clamping grooves, rubber layers are arranged in the upper clamping groove and the lower clamping groove, the central line of the upper clamping groove is parallel to the first sliding surface, and the central line of the lower clamping groove is parallel to the second sliding surface.
5. A track type variable friction pendulum vibration isolation mount according to claim 3, wherein: the central line of the upper sliding surface is orthogonal to the central line of the lower sliding surface, the arrangement direction of the two upper buckles is orthogonal to the arrangement direction of the two lower buckles, and the axial central line of the upper sliding rail is orthogonal to the axial central line of the lower sliding rail.
6. The orbital variable friction pendulum vibration isolation mount of claim 2 wherein: the upper limiting block and the lower limiting block are respectively provided with a rubber flexible layer.
7. The orbital variable friction pendulum vibration isolation mount of claim 2 wherein: the edge of the upper connecting plate is reserved with a bolt hole, a clamping block or a clamping groove, and the edge of the lower connecting plate is reserved with a bolt hole, a clamping block or a clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910180065.1A CN109853769B (en) | 2019-03-11 | 2019-03-11 | Rail type friction-variable pendulum vibration isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910180065.1A CN109853769B (en) | 2019-03-11 | 2019-03-11 | Rail type friction-variable pendulum vibration isolation support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109853769A CN109853769A (en) | 2019-06-07 |
| CN109853769B true CN109853769B (en) | 2024-02-13 |
Family
ID=66900305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910180065.1A Active CN109853769B (en) | 2019-03-11 | 2019-03-11 | Rail type friction-variable pendulum vibration isolation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109853769B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863423B (en) * | 2019-11-28 | 2021-12-14 | 苏交科集团股份有限公司 | Bridge butt joint anti-seismic device |
| CN111166520B (en) * | 2020-01-17 | 2021-12-21 | 宋辉 | Automatic ultrasonic scaling device and automatic ultrasonic scaling method |
| CN111676810A (en) * | 2020-06-26 | 2020-09-18 | 丁西焘 | Bridge support capable of being partially replaced and mounting method thereof |
| CN114427191A (en) * | 2022-03-07 | 2022-05-03 | 广州大学 | Arch bridge type tensile conical variable-curvature variable-friction pendulum shock insulation support |
| CN114370069A (en) * | 2022-03-09 | 2022-04-19 | 华东交通大学 | Bidirectional sliding device for center column of underground structure and application |
| CN114809313B (en) * | 2022-05-18 | 2022-11-18 | 丰泽智能装备股份有限公司 | Anti-drawing guide rail type friction pendulum support |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104929245A (en) * | 2015-07-06 | 2015-09-23 | 华中科技大学 | Negative-rigidity seismic isolation support |
| CN105442436A (en) * | 2015-05-18 | 2016-03-30 | 北京工业大学 | Two-way variable-camber friction pendulum earthquake insulation bearing |
| CN105604206A (en) * | 2016-03-29 | 2016-05-25 | 徐志刚 | Slippage seismic isolation pendulum |
| CN205741893U (en) * | 2016-06-29 | 2016-11-30 | 衡水逸海工程橡胶有限公司 | Multi-stage friction pendulum vibration absorption and isolation support |
| CN108179817A (en) * | 2018-01-24 | 2018-06-19 | 广州大学 | A kind of multiple friction-pendulum shock-insulation support for becoming friction |
| CN108396883A (en) * | 2018-01-24 | 2018-08-14 | 广州大学 | A kind of change friction-pendulum shock-insulation support |
| JP2018132123A (en) * | 2017-02-15 | 2018-08-23 | 清水建設株式会社 | Base isolation mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8484911B2 (en) * | 2006-05-12 | 2013-07-16 | Earthquake Protection Systems, Inc. | Sliding pendulum seismic isolation system |
-
2019
- 2019-03-11 CN CN201910180065.1A patent/CN109853769B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442436A (en) * | 2015-05-18 | 2016-03-30 | 北京工业大学 | Two-way variable-camber friction pendulum earthquake insulation bearing |
| CN104929245A (en) * | 2015-07-06 | 2015-09-23 | 华中科技大学 | Negative-rigidity seismic isolation support |
| CN105604206A (en) * | 2016-03-29 | 2016-05-25 | 徐志刚 | Slippage seismic isolation pendulum |
| CN205741893U (en) * | 2016-06-29 | 2016-11-30 | 衡水逸海工程橡胶有限公司 | Multi-stage friction pendulum vibration absorption and isolation support |
| JP2018132123A (en) * | 2017-02-15 | 2018-08-23 | 清水建設株式会社 | Base isolation mechanism |
| CN108179817A (en) * | 2018-01-24 | 2018-06-19 | 广州大学 | A kind of multiple friction-pendulum shock-insulation support for becoming friction |
| CN108396883A (en) * | 2018-01-24 | 2018-08-14 | 广州大学 | A kind of change friction-pendulum shock-insulation support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109853769A (en) | 2019-06-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109853769B (en) | Rail type friction-variable pendulum vibration isolation support | |
| CN108425433B (en) | A kind of adaptive stiffness characteristics mobile decoupling formula three-dimensional isolation/vibration support | |
| CN108457384B (en) | A kind of three-dimensional isolation/vibration support of the adaptive stiffness characteristics of band | |
| CN110107632B (en) | Positive and negative rigidity parallel low-frequency vibration isolation device of coupling power vibration absorber | |
| CN204477508U (en) | A kind of three-dimensional for the protection of naval vessel line shock is every rushing device | |
| CN104895978A (en) | Multilayer buffer spring | |
| CN205617594U (en) | Rubber type friction energy dissipation shock absorber | |
| CN209817157U (en) | Rail type variable friction pendulum shock insulation support | |
| CN205557886U (en) | Compound friction damper of piston shape memory alloy | |
| CN108457397B (en) | Displacement-related rigidity-variable device | |
| CN202626828U (en) | Shock absorption and isolation support device | |
| CN112628333A (en) | Nonlinear energy trap device capable of collecting energy | |
| CN110656704A (en) | Sliding plate support | |
| CN110080407B (en) | Damping device for building | |
| CN102691260A (en) | Antivibration support device | |
| CN201695327U (en) | Vibration-reduction spherical steel bearing | |
| CN209162624U (en) | A kind of novel Bridge Seismic energy consumption Bidirectional slide elastic-plastic damping device | |
| CN103470671A (en) | Double-circle steel wire rope shock absorber | |
| CN203487451U (en) | Horizontal elastic damping system of large-span bridge | |
| CN203487450U (en) | Horizontal shock absorption device of large-span bridge | |
| CN111963626B (en) | Three-way special-shaped metal damper | |
| CN114427191A (en) | Arch bridge type tensile conical variable-curvature variable-friction pendulum shock insulation support | |
| CN103485277B (en) | Horizontal seismic-reduction device of long-span bridge | |
| CN201362821Y (en) | Movable support for shock absorption and isolation of bridge | |
| CN109138205B (en) | Variable-rigidity tensile sliding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |