CN209099162U - Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support - Google Patents
Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support Download PDFInfo
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- CN209099162U CN209099162U CN201821689885.0U CN201821689885U CN209099162U CN 209099162 U CN209099162 U CN 209099162U CN 201821689885 U CN201821689885 U CN 201821689885U CN 209099162 U CN209099162 U CN 209099162U
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- sliding block
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- outer baffle
- slide
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Abstract
Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support, belongs to bridge, building engineering field.It includes being made of upper slide, lower skateboard, sliding block, outer baffle, TMD, spring, decelerating ring and connecting column.There are Mechanical locking features between sliding block and upper lower skateboard, it is made to have anti-pulling function；Spring, decelerating ring and TMD are set between outer baffle and sliding block, and for guaranteeing that multiple groups spring acts synergistically, TMD is fixed on the inside of outer baffle decelerating ring, and such combination makes support have powerful energy consumption function；And the sliding surface between sliding block and upper lower skateboard is spherical surface, sliding block can be free to slide in the horizontal plane, can eliminate sliding block residual displacement and Self-resetting by gravity and counter spring force.Superstructure vertical displacement caused by anti-pulling system can be resisted because of earthquake or accidental load.
Description
Technical field
The utility model belongs to science of bridge building, building engineering field, and in particular to science of bridge building, having for architectural engineering resist
The vibration absorption and isolation support that drawing requires.
Background technique
In recent years since China is in Eurasian earthquake zone and circum-Pacific seismic belt, China have 41% territory, half with
On city be located at 7 degree or 7 degree of basic earthquake intensity or more area, 6 degree and 6 degree or more areas account for the 79% of national territorial area.It is right
Science of bridge building and architectural engineering in macroseism area, structural seismic capacity and post earthquake recovery ability become the weight for examining structure function
Want index.
Vibration absorption and isolation support is the important component of earthquake-resistant structure, is able to extend the structural vibration period, actively avoids seismic wave master
Energy frequency band is wanted, earthquake is utmostly reduced for the damage and failure of superstructure, protects superstructure function, ensure the mankind
The security of the lives and property.
In existing sliding bearing, primarily directed to free sliding degree, slider type and quantity, sliding surface friction system
The improvement and research that number etc. carries out.Anti-pulling ability is related to less, only anti-pulling support is substantially double
To sliding, and since the construction features of sliding rail and sliding block are difficult good collaboration under top self weight and earthquake motion effect
Effect；Self-resetting capability also relies only on the horizontal component of self weight substantially, and the coefficient of friction of sliding surface is affected to Self-resetting；Branch
Seat energy consumption depends on the friction energy-dissipating of sliding surface substantially, but frictional force is excessive and will restrict self-resetting capability.
Utility model content
For solve anti-pulling shock isolating pedestal defect, the utility model can effectively solve the problem that friction isolation support anti-pulling,
The problem of energy consumption and Self-resetting, durability and stability are more preferable, can be adapted for bridge and the building structure in macroseism area.
The technical solution of the utility model is as follows:
Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support, which is characterized in that including upper slide (1), sliding block (2), under
Slide plate (3), outer baffle (4), decelerating ring (5), spring (6), TMD (frequency modulation mass damping unit) (7) and connecting column (8)；
Sliding block (2) includes upper end of slide block head (2-1), the slider body (2-2), sliding block lower end successively rolled up and down together
Head (2-3), upper end of slide block head (2-1) are mushroom-shaped end, and slider body (2-2) is cylindrical structure, sliding block lower end (2-3)
End is limited for right-angled intersection template；
Outer baffle (4) includes tubbiness vertical plate (4-1) and cyclic annular bottom face (4-2), tubbiness vertical plate (4-1) and cyclic annular bottom
It is fixed together on the outside of end face (4-2)；It is uniformly distributed on the inside of tubbiness vertical plate (4-1) and is fixed with multiple springs (6), spring
(6) the other end is fixed on the periphery of decelerating ring (5), and spring (6) is in free state；Decelerating ring (5) coaxial sleeve is in sliding block master
Body (2-2) outside, has gap between decelerating ring (5) and slider body (2-2)；It is uniformly distributed on the inside of tubbiness vertical plate (4-1) solid
Surely have multiple TMD (frequency modulation mass damping unit) (7), the multiple TMD of multiple springs (6) (frequency modulation mass damping unit) (7) distribution
In the same diametric plane, and the length of TMD radially is less than the drift of spring radially；Cyclic annular bottom face (4-2) passes through
Connecting column (8) is fixed together with lower skateboard (3) upper surface；Between cyclic annular bottom face (4-2) and lower skateboard (3) upper surface
With gap, sliding block lower end (2-3) right-angled intersection template limit end is interspersed in cyclic annular bottom face (4-2) and lower skateboard (3)
In gap between upper surface；
Upper slide (1) lower surface is provided with and the matched tongue and groove groove of upper end of slide block head (2-1).
All contact surfaces use the consistent spherical surface of curvature between the sliding block (2) and upper slide (1), lower skateboard (3).
The right-angled intersection template limit end generally spherical surface template of sliding block lower end (2-3)；The upper surface of lower skateboard (3)
For concave ball surfaces；The lower surface of cyclic annular bottom face (4-2) is convex spherical surface；The right-angled intersection template of sliding block lower end (2-3) limits
Position end, the upper surface of lower skateboard (3), the following table face curvature of cyclic annular bottom face (4-2) are identical.
Tongue and groove groove is arranged in upper slide (1) lower surface, and the mushroom-shaped end of expansion of sliding block (2) upper end setting is protected
Card sliding block (2) can rotate by a small margin in upper slide (1) tongue and groove but must not be detached from upper slide (1).Setting 4 below sliding block (2)
End is limited, global shape is right-angled intersection template, and end length is greater than the maximum allowable displacement of sliding block.
It is connect between the outer baffle (4) and decelerating ring (5) by spring (6), it is uniform in the diametric plane inner spring
It is arranged symmetrically, the multiple that number springs are 4.
The TMD (7) is fixed on the inside of outer baffle (4), is symmetrically arranged in the diametric plane, TMD (7) number
For 4 multiple, TMD (7) is greater than the horizontal board width in outer baffle (4) lower end along the length of outer baffle (4) radial direction, and is less than sliding block
(2) at center spring (6) initial length.
The upper slide (1), sliding block (2), lower skateboard (3), outer baffle (4), decelerating ring (5), spring (6), connecting column
(8) stainless steel material is used, each slidingsurface uses polytetrafluoroethylene material.
There are Mechanical locking features between sliding block (2) and upper lower skateboard (1,3), it is made to have anti-pulling function；Outer baffle
Spring, decelerating ring and TMD are set between sliding block, and for decelerating ring for guaranteeing that multiple groups spring acts synergistically, TMD is fixed on outer baffle
Inside, such combination make support have powerful energy consumption function；And the sliding surface between sliding block and upper lower skateboard is spherical surface, it is sliding
Block can be free to slide in the horizontal plane, can eliminate sliding block residual displacement and Self-resetting by gravity and counter spring force.Anti-pulling
Superstructure vertical displacement caused by system can be resisted because of earthquake or accidental load.
The utility model has the advantage that, compared to conventional friction shock isolating pedestal, the utility model has preferably consumption
Can and runback bit function, and can be greatly lowered vertically seismic wave for the damage and failure of superstructure；With existing tension
It pulls out support to compare, the utility model can satisfy superstructure can be free to slide in horizontal plane, guarantees runback using spring system
Capability, the residual displacement after greatly reducing support shake；Compared with existing support, TMD is introduced into support by the utility model
Portion is greatly enhanced support and subtracts shock insulation and energy dissipation capacity.The utility model is suitable for bridge and the building structure in macroseism area,
It is more preferable for the damping and isolation effect of curve bridge, skyscraper.
Detailed description of the invention
Fig. 1 pulls out Self-resetting friction support stereoscopic schematic diagram based on the multiaspect drag-resisting of TMD
Fig. 2 pulls out Self-resetting friction support schematic internal view based on the multiaspect drag-resisting of TMD
Fig. 3 pulls out Self-resetting friction support A-A sectional view based on the multiaspect drag-resisting of TMD
Fig. 4 pulls out Self-resetting friction support sliding block perspective view based on the multiaspect drag-resisting of TMD
Fig. 5 pulls out 1/2 for sectional view of Self-resetting friction support outer baffle based on the multiaspect drag-resisting of TMD
Fig. 6 pulls out Self-resetting friction support maximum displacement vertical profile figure based on the multiaspect drag-resisting of TMD
Fig. 7 pulls out Self-resetting friction support maximum displacement horizontal sectional drawing based on the multiaspect drag-resisting of TMD；
In figure: 1-upper slide；2-sliding blocks；2-1-upper end of slide block head；2-2-slider body；2-3-sliding block lower end；
3-lower skateboards；4-outer baffles；4-1-tubbiness vertical plate；4-2-ring-type bottom face；5-decelerating rings；6-springs；7—TMD；
8-connecting columns.
Specific embodiment
Below in conjunction with attached drawing 1- attached drawing 7, specific embodiment of the present utility model is further described.
In geological process, upper slide (1) is mobile with superstructure, and lower skateboard (3) is with ground moving, intermediate slider
(2) it slides.When sliding block (2) displacement reaches a certain range, sliding block (2) contacts decelerating ring (5), and continues with decelerating ring (5)
Sliding, due to the movement of decelerating ring (5), some extends the compression having, all stores spring potential energy for the spring (6) of surrounding, and
With the increase that decelerating ring (5) are displaced, spring potential energy and counter spring force are all with increase；When being displaced further expansion, slow down
For ring (5) making contact to TMD (7), TMD (7) structure, which plays, consumes energy and damps effect, reduces damage of the seismic energy to structure；
When sliding block (2), which are displaced, constantly to increase, sliding block (2) is eventually made to collide outer baffle ring-type bottom face (4-2), sliding block (2)
It cannot continue to move to.
It is influenced at this time due to being self-possessed by superstructure, sliding block (2) will receive a horizontal restoring force, under direction is directed toward
Slide plate (3) center, traditional support, can not Self-resettings since stiction is larger.The support is since spring potential energy is larger, spring
Counter-force is greater than stiction plus the horizontal component of superstructure self weight, it is ensured that sliding block (2) reciprocatingly slides, and final sliding block (2) is extensive
Center is arrived again.
It should be noted that in support production claimed below:
1. the curvature in the slide plate face that sliding block (2) is in contact with it is consistent, it is all made of spherical surface or other reasonable curved surfaces；
2. tongue and groove should be arranged in upper slide (1), guarantee that sliding block (2) can rotate by a small margin but must not be detached from slide plate in picture, on
Slide plate (1) will can guarantee basic horizontal, be moved integrally with meeting top-out or bridge structure in not unstability.
3. 4 limit end, that is, sliding block lower ends (2-3) are arranged below sliding block (2), linearly meet sliding block and appeal at the 1st point
Requirement, and rigidity is enough, and end drift is greater than sliding block maximum displacement.
4.TMD (7) energy-consuming device will meet energy consumption and require, and be suitble to according to supporting stand size and superstructure from reselection procedure
TMD device.
5. spring (6) will will be chosen according to superstructure from rearrangement, spring strength and rigidity by calculating, every group can be adopted
It is acted synergistically with more springs.
6. anti-pulling entirety force path are as follows: superstructure (building, bridge)-upper slide (1)-upper end of slide block head (2-1)-
Slider body (2-2)-sliding block lower end (2-3)-outer baffle (4)-connecting column (8)-lower skateboard (3)-ground.
Claims (6)
1. the multiaspect drag-resisting based on TMD pulls out Self-resetting friction support, which is characterized in that including upper slide (1), sliding block (2), glide
Plate (3), outer baffle (4), decelerating ring (5), spring (6), TMD (frequency modulation mass damping unit) (7) and connecting column (8)；
Sliding block (2) includes upper end of slide block head (2-1), the slider body (2-2), sliding block lower end successively rolled up and down together
(2-3), upper end of slide block head (2-1) are mushroom-shaped end, and slider body (2-2) is cylindrical structure, and sliding block lower end (2-3) is
Right-angled intersection template limits end；
Outer baffle (4) includes tubbiness vertical plate (4-1) and cyclic annular bottom face (4-2), tubbiness vertical plate (4-1) and cyclic annular bottom face
It is fixed together on the outside of (4-2)；It is uniformly distributed and is fixed with multiple springs (6) on the inside of tubbiness vertical plate (4-1), spring (6)
The other end is fixed on the periphery of decelerating ring (5), and spring (6) is in free state；Decelerating ring (5) coaxial sleeve is in slider body (2-
2) outside, there is between decelerating ring (5) and slider body (2-2) gap；Be uniformly distributed on the inside of tubbiness vertical plate (4-1) be fixed with it is more
A TMD (frequency modulation mass damping unit) (7), the multiple TMD of multiple springs (6) (frequency modulation mass damping unit) (7) are distributed in same
In a diametric plane, and the length of TMD radially is less than the drift of spring radially；Cyclic annular bottom face (4-2) passes through connecting column
(8) it is fixed together with lower skateboard (3) upper surface；There is sky between cyclic annular bottom face (4-2) and lower skateboard (3) upper surface
Gap, sliding block lower end (2-3) right-angled intersection template limit end are interspersed in cyclic annular bottom face (4-2) and lower skateboard (3) upper surface
Between gap in；
Upper slide (1) lower surface is provided with and the matched tongue and groove groove of upper end of slide block head (2-1).
2. the multiaspect drag-resisting described in accordance with the claim 1 based on TMD pulls out Self-resetting friction support, which is characterized in that under sliding block
The right-angled intersection template limit end generally spherical surface template of end (2-3)；The upper surface of lower skateboard (3) is concave ball surfaces；Ring
The lower surface of shape bottom face (4-2) is convex spherical surface；The right-angled intersection template of sliding block lower end (2-3) limits end, lower skateboard
(3) upper surface, the following table face curvature of cyclic annular bottom face (4-2) are identical.
3. the multiaspect drag-resisting described in accordance with the claim 1 based on TMD pulls out Self-resetting friction support, which is characterized in that described
Tongue and groove groove is arranged in upper slide (1) lower surface, and the mushroom-shaped end of expansion of sliding block (2) upper end setting guarantees that sliding block (2) can be upper
It is rotated in slide plate (1) tongue and groove but upper slide (1) must not be detached from；The right-angled intersection template being arranged below sliding block (2) limits end, end
Head length is greater than the maximum allowable displacement of sliding block.
4. the multiaspect drag-resisting described in accordance with the claim 1 based on TMD pulls out Self-resetting friction support, which is characterized in that described
It connect, is symmetrically arranged in the diametric plane inner spring, spring number by spring (6) between outer baffle (4) and decelerating ring (5)
The multiple that mesh is 4.
5. the multiaspect drag-resisting described in accordance with the claim 1 based on TMD pulls out Self-resetting friction support, which is characterized in that described
TMD (7) is fixed on the inside of outer baffle (4), is symmetrically arranged in the diametric plane, the multiple that TMD (7) number is 4, TMD
(7) it is greater than the horizontal board width in outer baffle (4) lower end along the length of outer baffle (4) radial direction, and is less than sliding block (2) at center
The initial length of spring (6).
6. the multiaspect drag-resisting described in accordance with the claim 1 based on TMD pulls out Self-resetting friction support, which is characterized in that described
Upper slide (1), sliding block (2), lower skateboard (3), outer baffle (4), decelerating ring (5), spring (6), connecting column (8) use stainless steel
Material, each slidingsurface use polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689885.0U CN209099162U (en) | 2018-10-18 | 2018-10-18 | Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821689885.0U CN209099162U (en) | 2018-10-18 | 2018-10-18 | Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support |
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| CN209099162U true CN209099162U (en) | 2019-07-12 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109112956A (en) * | 2018-10-18 | 2019-01-01 | 卢家骥 | Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support |
| CN110863423A (en) * | 2019-11-28 | 2020-03-06 | 刘海洋 | Bridge butt joint anti-seismic device |
| CN110984068A (en) * | 2019-12-23 | 2020-04-10 | 哈尔滨工业大学 | Anti-seismic composite height-adjustable steel support for high-pile wharf |
| CN114439122A (en) * | 2022-02-17 | 2022-05-06 | 启仕陆工程设计(上海)有限公司 | A earthquake-resistant structure for architectural design |
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2018
- 2018-10-18 CN CN201821689885.0U patent/CN209099162U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109112956A (en) * | 2018-10-18 | 2019-01-01 | 卢家骥 | Multiaspect drag-resisting based on TMD pulls out Self-resetting friction support |
| CN109112956B (en) * | 2018-10-18 | 2024-01-30 | 卢家骥 | Multidirectional tensile pulling self-resetting friction support based on TMD |
| CN110863423A (en) * | 2019-11-28 | 2020-03-06 | 刘海洋 | Bridge butt joint anti-seismic device |
| 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 |
| CN110984068A (en) * | 2019-12-23 | 2020-04-10 | 哈尔滨工业大学 | Anti-seismic composite height-adjustable steel support for high-pile wharf |
| CN114439122A (en) * | 2022-02-17 | 2022-05-06 | 启仕陆工程设计(上海)有限公司 | A earthquake-resistant structure for architectural design |
| CN114439122B (en) * | 2022-02-17 | 2023-12-15 | 启仕陆工程设计(上海)有限公司 | Anti-seismic structure for building design |
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